clonidine has been researched along with phenylephrine in 637 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 258 (40.50) | 18.7374 |
| 1990's | 240 (37.68) | 18.2507 |
| 2000's | 102 (16.01) | 29.6817 |
| 2010's | 37 (5.81) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Butler, RC; Chapleo, CB; England, DC; Myers, PL; Roach, AG; Smith, CF; Stillings, MR; Tulloch, IF | 1 |
| England, CD; Smith, CF; Stillings, MR; Welbourn, AP | 1 |
| Butler, RC; Chapleo, CB; Doxey, JC; Myers, PL; Roach, AG; Smith, CF | 1 |
| Batink, H; de Jonge, A; Thoolen, MJ; Timmermans, PB; van Zwieten, PA; Wilffert, B | 1 |
| Butler, RC; Chapleo, CB; Davis, JA; Doxey, JC; Higgins, SD; Myers, M; Myers, PL; Roach, AG; Smith, CF; Stillings, MR | 1 |
| Timmermans, PB; van Zwieten, PA | 2 |
| Esbenshade, TA; Han, C; Hollinger, S; Minneman, KP; Theroux, TL | 1 |
| Topliss, JG; Yoshida, F | 1 |
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Bednarski, M; Dudek, M; Kulig, K; Lustyk, K; Malawska, B; Nowiński, L; Raźny, K; Sapa, J; Siwek, A; Starowicz, G; Zaręba, P | 1 |
| Endoh, M; Schümann, HJ | 1 |
| Endoh, M; Shimizu, T; Yanagisawa, T | 1 |
| Grant, JA; Scrutton, MC | 1 |
| Ganong, WF; Morris, BJ; Reid, IA | 1 |
| Andersson, RG; Colldahl, H; Lindgren, BR | 1 |
| Schimmel, RJ | 1 |
| Petty, M; Reid, JL; Tangri, KK; Wing, LM | 1 |
| McNeill, JH; Verma, SC | 1 |
| Snyder, SH; U'Prichard, DC | 1 |
| Nakazato, Y; Ohga, A; Seno, N | 1 |
| Borowski, E; Gross, G; Schümann, HJ | 1 |
| Cavero, I; Lefèvre, F; Roach, AG | 1 |
| Endo, T; Starke, K; Taube, HD | 1 |
| Daly, JW; Skolnick, P | 1 |
| Aghajanian, GK; Cedarbaum, JM | 1 |
| Christensen, NJ; Frankel, HL; Mathias, CJ; Reid, JL; Wing, LM | 1 |
| Wikberg, J | 1 |
| Rolls, ET; Shaw, SG | 1 |
| Gebber, GL; McCall, RB | 1 |
| Bucher, B; Doepfner, W; Jaton, AL; Marbach, P; Ruch, W | 1 |
| Atrens, DM; Becker, FT; Chesher, GB; Hunt, GE | 1 |
| Brieva, C; Penna, M; Pinardi, G; Vinet, R | 3 |
| Copolov, DL; Huang, W; Lee, D; Lim, AT; Yang, Z | 1 |
| Grundy, D; Hillsley, K; Schemann, M | 1 |
| Freedman, RR; Migály, P; Moten, M; Sabharwal, SC | 1 |
| Kontani, H; Maruyama, I; Sakai, T | 1 |
| Anderson, DR; Davis, EB; Ferrari-Dileo, G | 1 |
| Elhawary, AM; Pettinger, WA; Wolff, DW | 1 |
| Carlson, DE; Gann, DS | 1 |
| Browne, BJ; Condon, RE; Cowles, VE; Salaymeh, BM; Tekin, E; Zhu, YR | 1 |
| Enero, MA; Ricci, D; Taira, CA | 1 |
| Hansson, E; Nilsson, M; Rönnbäck, L | 1 |
| Piascik, MT; Pruitt, TA; Sparks, MS | 2 |
| Wong, KK | 2 |
| Bienaime, M; Mangroo, T; Rahmani, MA; Wiggins, S; Williams, J | 1 |
| Ilhan, M; Olmez, E | 1 |
| Bidon, JC; Blin, M; Gogny, M; Jondet, A; Souilem, O | 1 |
| Abdel-Rahman, AA | 1 |
| Blank, MA; Jaffe, BM; Nyrén, O | 1 |
| Koman, LA; Smith, TL | 1 |
| Lasova, L; Mutafova-Yambolieva, V; Petkov, O; Staneva-Stoytcheva, D | 1 |
| Camargo, LA; De Luca Júnior, LA; Fóglia, S; Leite, DF; Menani, JV; Renzi, A; Saad, WA | 1 |
| Borbujo, J; Diéguez, G; García, JL; García-Villalón, AL; Gómez, B; Nava-Hernández, E; Valle, J | 1 |
| Atrens, DM; Lin, HQ; McGregor, IS; Menéndez, JA | 1 |
| Feldman, S; Saphier, D | 1 |
| Campbell, JN; Davis, KD; Meyer, RA; Raja, SN; Treede, RD | 1 |
| Harada, M; Koike, K; Satoh, M; Takayanagi, I | 1 |
| Kagaya, M; Miura, K; Miura, M; Miura, S; Onodera, A; Shioya, T; Yoshida, K | 1 |
| Errchidi, S; Hilaire, G; Monteau, R | 1 |
| Chen, LQ; Riedel, GL; Shepherd, AP | 1 |
| Anyukhovsky, EP; Rosen, MR | 1 |
| Costantino, R; Howe, J; Slominski, A | 1 |
| Lee, C; McKenna, KE; Wang, JM | 1 |
| Chandler, SH; Katakura, N | 1 |
| Brien, JF; Marks, GS; Nakatsu, K; Pym, J; Witte, S | 1 |
| Anyukhovsky, EP; Molina-Viamonte, V; Rosen, MR | 1 |
| Piascik, MT; Pruitt, TA; Soltis, EE; Sparks, MS | 1 |
| Gross, G; Ravens, U; Wang, XL; Wettwer, E | 1 |
| Endoh, M; Norota, I; Takanashi, M | 1 |
| Harbison, RD; James, RC; Roberts, SM | 1 |
| Bojö, L; Cassuto, J; Nellgård, P | 1 |
| Horváth, E; Jaszlits, L; Rabloczky, G | 1 |
| Collewijn, H; Pompeiano, O; Tan, HS; van Neerven, J | 1 |
| Castillo, C; Hong, E; Valencia, I | 1 |
| Moriya, M; Takayanagi, I | 1 |
| Barthuel, P; Menini, C; Rektor, I; Silva-Barrat, C; Svejdová, M | 1 |
| Biguad, M; Julou-Schaeffer, G; Parratt, JR; Stoclet, JC | 1 |
| Kakishita, E; Sakamoto, K; Wakabayashi, I | 1 |
| Schott, C; Stoclet, JC; Topouzis, S | 1 |
| Silverman, PB; Steketee, JD; Swann, AC | 1 |
| Chatterjee, P; Chestnut, DH; Sipes, SL; Thompson, CS; Vincent, RD; Weiner, CP | 1 |
| Pittaluga, A; Raiteri, M; Torelli, R | 1 |
| Davies, BT; Wellman, PJ | 1 |
| Halter, JB; Hogikyan, RV; Orstan, N; Stoltz, AM; Supiano, MA | 1 |
| Chen, LQ; Shepherd, AP | 1 |
| Nakajima, M; Ueda, M | 1 |
| Hashimoto, K; Hayashi, M; Tanii, H | 1 |
| Caffrey, JL; Carter, GC; Hathorne, LF; Sinclair, RJ | 1 |
| Bowyer, JF; Weiner, N | 1 |
| Chandranath, SI; Gokhale, SD; Sharif, SI | 1 |
| Glenert, U; Nauntofte, B | 1 |
| Kawano, K; Koike, K; Takayanagi, I | 1 |
| Horn, PT; Kohli, JD; Mercuro, G; Orelind, ER | 1 |
| Ferrier, GR; Han, XQ | 1 |
| Hatake, K; Hishida, S; Kakishita, E; Wakabayashi, I | 1 |
| Armah, BI; Göthert, M; Molderings, GJ | 1 |
| Ayajiki, K; Toda, N | 1 |
| Lehmenkühler, C; Speckmann, EJ; Walden, J | 1 |
| Carter, KD; Denison, CE; Kardon, RH; Munden, PM | 1 |
| Butler, BT; Piascik, MT; Pruitt, TA | 1 |
| Rattan, S; Yamato, S | 1 |
| Alling, C; Hansson, E; Simonsson, P | 1 |
| Browning, MD; Hirsch, J; Leibel, RL; Paul, S; Smiley, RM | 1 |
| Culp, DJ; Graham, LA; Marin, MG; McBride, RK | 1 |
| Egan, BM; Neubig, RR; Sekkarie, MA; Supiano, MA | 1 |
| Barrett, JA; Edinger, H; Siegel, A | 1 |
| Kawai, K; Kitazawa, Y; Sugiyama, K | 1 |
| Camargo, LA; De Luca Junior, LA; Ferrari, AC; Menani, JV; Renzi, A; Saad, WA | 1 |
| Dunn, AJ; Gorman, AL; Yang, XM | 1 |
| Fernandez-Alfonso, MS; Marín, J; Reviriego, J | 1 |
| Jacobs, BL; Stafford, IL | 1 |
| Berridge, CW; Dunn, AJ | 2 |
| Bugajski, J; Gadek-Michalska, A; Połczyńska-Konior, G; Turoń, M | 1 |
| Aran, S; Proudfit, HK | 1 |
| Henry, DP; McAteer, JA; Pratt, JH; Turner, DA | 1 |
| Andersson, KE; Hedlund, H; Larsson, B | 1 |
| Imai, S; Nakahara, H; Nakazawa, M; Tsukada, T | 1 |
| Chin, WP; Imai, S; Nakagawa, Y; Nakahara, H | 1 |
| Jones, RS; Olpe, HR | 1 |
| Coffman, JD; Cohen, RA | 2 |
| Ahrén, B; Lundquist, I; Skoglund, G | 3 |
| Desai, N; Freedman, RR; Mayes, M; Sabharal, SC; Wenig, P | 1 |
| Steketee, JD; Swann, AC | 1 |
| Borbujo, J; Diéquez, G; García-Villalón, AL; Gómez, B; Valle, J | 1 |
| Hashimoto, K; Suzuki, E; Tsujimoto, A; Tsujimoto, G | 1 |
| Crea, F; Galassi, AR; Kaski, JC; Maseri, A; Pupita, G; Vejar, M | 1 |
| Bacon, DR; Fahrenbach, WF; Van Buskirk, EM | 1 |
| Akimoto, Y; Fujiwara, M; Kurahashi, K; Sono, K | 1 |
| Demirel, E; Ercan, ZS; Hindioglu, F; Türker, RK | 1 |
| File, SE; Johnston, AL | 1 |
| Azuma, H; Ikenoue, Y; Ishikawa, M; Ito, S; Sugimoto-Tokushima, M; Tanaka, K | 1 |
| Andersson, KE; Norgren, L; Sjöberg, T; Steen, S | 1 |
| Antonelli, T; Beani, L; Bianchi, C; Simonato, M; Spalluto, G; Tanganelli, S; Tomasini, C | 1 |
| Förstermann, U; Hohlfeld, J; Liebau, S | 1 |
| Hosomi, H; Kawada, M; Morita, H; Motochigawa, H; Nishida, Y; Uemura, N; Yoshida, H | 1 |
| Badia, A; Sallés, J | 1 |
| Greenidge, E; Wali, FA | 1 |
| Ladwein, E; Szrama, E; Wessler, I | 1 |
| Hedler, L; Starke, K; Szabo, B | 1 |
| Antunes-Rodrigues, J; Favaretto, AL; Hattori, M; Valença, MM; Wakabayashi, K; Wanderley, MI | 1 |
| Cardinali, DP; Chuluyan, HE; Rosenstein, RE | 1 |
| Kadowaki, H; Miyakawa, M; Okazaki, T; Saeki, H; Takahashi, C | 1 |
| Bastidas, JA; Schmieg, RE; Yeo, CJ; Zinner, MJ | 1 |
| Enero, MA; Taira, CA | 1 |
| Morita, T; Suzuki, T; Tsuchida, S; Wada, I | 1 |
| Chiba, S; Ito, T | 1 |
| Giesen-Crouse, E; Imbs, JL; Krieger, JP; Schmidt, M | 1 |
| Cheema, IR; Peoples, B; Rahmani, MA; Riley, SR; Sen, S | 1 |
| Cheema, IR; Peoples, B; Rahmani, MA; Sen, S | 1 |
| Frambach, DA; Valentine, JL; Weiter, JJ | 1 |
| Adair, SE; Allen, JC; Jemelka, SK; Navran, SS; Seidel, CL | 1 |
| Pittaluga, A; Raiteri, M | 1 |
| Bialik, RJ; Roberts, DC; Smythe, JW | 1 |
| Hinton, CF; White, JF | 1 |
| Armah, BI | 1 |
| Maura, G; Pittaluga, A; Raiteri, M; Ulivi, M | 1 |
| Andersson, KE; Mattiasson, A; Sjögren, C | 1 |
| McGrath, JC | 1 |
| Carrier, GO; White, RE | 2 |
| Cheung, DW | 1 |
| Honda, K; Miyata-Osawa, A; Shiono, K; Takenaka, T; Terai, M | 1 |
| Furnace, G; Hamilton, CA; Reid, JL; Sumner, DJ | 1 |
| Hashimoto, H; Nakashima, M; Sogabe, K | 1 |
| Elam, M; Gradin, K; Persson, B | 1 |
| Barthelemy, L; Sebert, P | 1 |
| Bhargava, KP; Gurtu, S; Sharma, DK; Sinha, JN | 1 |
| Harron, DW; Riddell, JG; Shanks, RG | 1 |
| Ng, TB | 1 |
| Blayac, JP; Gross, R; Hillaire-Buys, D; Loubatières-Mariani, MM; Ribes, G | 1 |
| Leff, AR; Munoz, NM; Shoulberg, N; Tallet, J | 1 |
| Cooper, SM; McRitchie, B | 1 |
| Andersson, KE; Larsson, B; Sjögren, C | 1 |
| Harsing, LG; Somogyi, GT; Vizi, ES; Zimanyi, I | 1 |
| Kaniucki, MD; Perec, CJ; Stefano, FJ | 1 |
| Bou, J; Massingham, R | 1 |
| Malta, E; Miller, RC; Schini, V | 1 |
| Herman, G; Mauduit, P; Rossignol, B | 1 |
| Kitazawa, T; Kondo, H; Temma, K | 2 |
| Malhotra, RK; Sharma, TR; Wakade, AR; Wakade, TD | 1 |
| Chiu, AT; McCall, DE; Thoolen, MJ; Timmermans, PB | 1 |
| Kannan, MS; Seip, AE | 1 |
| Bliss, TV; Lynch, MA | 1 |
| Bedran De Castro, JC; McCann, SM; Petrovic, SL | 1 |
| Macedo, TA; Ribeiro, CA | 1 |
| Varma, DR; Yue, TL | 1 |
| Demura, H; Nakagami, Y; Shizume, K; Suda, T; Sumitomo, T; Tomori, N; Ushiyama, T; Yajima, F | 1 |
| Keith, RA; Salama, AI | 1 |
| Yuwiler, A | 1 |
| Feder, HH; Thornton, J; Vincent, PA | 1 |
| Gandhi, VC; Ross, DH | 1 |
| Penner, SB; Smyth, DD | 1 |
| Cheng, B; Fang, DC; Jiang, MX; Yao, WX | 1 |
| Couse, NF; Yeo, CJ; Zinner, MJ | 1 |
| Allen, JM; McCarron, JG; McHale, NG; Thornbury, KD | 1 |
| Iwai, S; Shirakawa, J; Tanaka, C; Taniyama, K | 1 |
| Aono, J; Sakai, K | 1 |
| Heitz, C; Jung, L; Schott, C; Stambach, JF; Stoclet, JC; Tetsi, L | 1 |
| Inaba, M; Inoue, H; Kamata, K; Matsuyama, K; Nakamura, M | 1 |
| Burcher, E; Byrne, KB; Coupar, IM; Stanton, BJ | 1 |
| Cherian, L; Klemm, WR; Sukul, NC | 1 |
| Docherty, JR | 1 |
| Onwochei, MO; Rapp, JP | 1 |
| Decker, N; Schwartz, J | 1 |
| Munson, AE; Sanders, VM | 1 |
| Arancibia, S; Astier, H; Tapia-Arancibia, L | 1 |
| Ullrich, S; Wollheim, CB | 1 |
| Hayashi, S; Kuehl, TJ; Park, MK | 1 |
| Goldstein, DS; Haass, M; Kopin, IJ; Zukowska-Grojec, Z | 1 |
| Henley, JM | 1 |
| Drímal, J; Gibala, P; Sotníková, R | 1 |
| Berlan, M; Carpene, C; Lafontan, M | 1 |
| Greenway, C; Segstro, R | 1 |
| Mogilnicka, E; Nielsen, M | 1 |
| Azuma, T; Ohhashi, T | 2 |
| Furchgott, RF; Jothianandan, D; Martin, W; Villani, GM | 1 |
| Filippi, GM; Grassi, C; Passatore, M | 1 |
| Chapman, KL; Marwood, JF; Stokes, GS | 1 |
| Baggio, G; Ferrari, W; Guarini, S | 1 |
| Peach, MJ; Stein, E; Trachte, GJ | 1 |
| Bielefeld, FW; Schümann, HJ | 1 |
| Hashimoto, S; Tanaka, C; Taniyama, K | 1 |
| Arendt, J; Checkley, SA; Corn, TH; Franey, C; Glass, IB; Thompson, C | 1 |
| Herman, AG; Jordaens, FH; Verbeuren, TJ; Zonnekeyn, LL | 1 |
| Blessing, WW; Jervois, PM; Menadue, MF; Willoughby, JO | 1 |
| Belluzzi, O; Bonifazzi, C; Perri, V; Travagli, RA | 1 |
| Blaustein, JD; Letcher, B | 1 |
| Beleslin, DB; Myers, RD; Rezvani, AH | 1 |
| Busija, DW; Leffler, CW | 1 |
| Bertrand, G; Gross, R; Loubatières-Mariani, MM; Ribes, G | 1 |
| Geiger, G; Grimes, D; Heaslip, RJ; Henry, DE; Lee, DK; Rimele, TJ | 1 |
| Andersson, KE; Hedlund, H | 1 |
| Kuznetsova, NL; Volkova, AM | 1 |
| Bian, K; Toda, N | 1 |
| Pinardi, G; Vinet, R | 1 |
| Deloof, S | 1 |
| Barr, GA; Hughes, HE | 1 |
| Hashimoto, H; Nakashima, M; Takiguchi, Y | 1 |
| Szilagyi, JE | 1 |
| Bacher, JD; Goldstein, DS; Keiser, HR; Kelly, GD; Stull, R; Zimlichman, R | 1 |
| Athias, P; Ettaiche, M; Klepping, J; Variot, N | 1 |
| Faucon, G; Lakhal, M; Lièvre, M; Morin, MH | 1 |
| Brouwer, GM; Smeets, GW; Struyker Boudier, HA; van Rossum, JM | 1 |
| Buckalew, VM; Strandhoy, JW; Wolff, DW | 2 |
| Biondi, C; Borasio, PG; Capuzzo, A; Ferretti, ME; Trevisani, A | 1 |
| Cooke, JP; Flavahan, NA; Rimele, TJ; Vanhoutte, PM | 1 |
| Nakashima, M; Oguro, K; Ohguchi, S; Sotobata, I | 1 |
| Bognar, IT; Enero, MA | 1 |
| Knepper, SM; Rutledge, CO; Schoepp, DD | 1 |
| Abe, F | 1 |
| Carrier, GO; Scarborough, NL | 2 |
| Smith, CB; Webb, RC; Weiss, RJ | 1 |
| Ruffolo, RR; Waddell, JE; Yaden, EL | 1 |
| Ali, FK; Kwa, HY; Timmermans, PB; van Zwieten, PA | 1 |
| Jones, DJ; McKenna, LF | 1 |
| Kato, R; Muraki, T; Nakadate, T; Nakaki, T | 1 |
| Astrachan, DI; Davis, M | 1 |
| de Jonge, A; Innemee, HC; Timmermans, PB; van Meel, JC; van Zwieten, PA | 1 |
| Costall, B; Naylor, RJ; Sahyoun, HA | 1 |
| Aghajanian, GK; Marwaha, J | 1 |
| Aghajanian, GK; Andrade, R | 1 |
| Cavero, I; Gomeni, R; Lefèvre-Borg, F; Roach, AG | 1 |
| Fujiwara, M; Muramatsu, I; Sakakibara, Y | 1 |
| Brown, J; Handley, SL | 1 |
| Kang, SS; Kim, JH; Kim, YI; Paik, YH | 1 |
| Demichel, P; Gomond, P; Roquebert, J | 1 |
| Gerald, MC; Snider, RM | 1 |
| Archer, R; Constantine, JW; Lebel, W | 1 |
| Dabiré, H; Dausse, JP; Meyer, P; Mouillé, P; Schmitt, H | 1 |
| Aarhus, LL; Rimele, TJ; Rooke, TW; Vanhoutte, PM | 1 |
| Curtis-Prior, PB; Tan, S | 1 |
| Gebhart, GF; Ossipov, MH | 1 |
| de Jonge, A; Kalkman, HO; Mathy, MJ; Thoolen, MJ; Timmermans, PB; van Meel, JC; van Zwieten, PA; Wilffert, B | 1 |
| Shigei, T; Shoji, T; Tsuru, H | 1 |
| Janssens, W; Verhaeghe, R | 1 |
| Andersson, KE; Norgren, L; Skärby, TV; Steen, S | 1 |
| Hancock, AA | 1 |
| DeMarinis, RM; Lafferty, J; Macia, RA; Matthews, WD | 1 |
| Castaldi, WR; Fazio, JK; Hennig, CW; Hughes, CA; Spencer, BD | 1 |
| Bhargava, KP; Gurtu, S; Pant, KK; Sharma, DK; Sinha, JN | 1 |
| Dabiré, H; Joly, G; Lucet, B; Mouillé, P; Schmitt, H | 1 |
| Shepperson, NB | 1 |
| Satake, N; Shibata, S; Ueda, S | 1 |
| Bogaert, MG; Lefebvre, RA; Verplanken, PA | 1 |
| Danilo, P; Rosen, MR; Weiss, RM | 1 |
| Maeda-Hagiwara, M; Watanabe, H; Watanabe, K | 1 |
| Dabiré, H; Joly, G; Mouillé, P; Schmitt, H | 1 |
| Agnoli, A; Barbieri, RM; De Marinis, M; Feliciani, M; Grillo, G | 1 |
| Berg, C; Spedding, M | 1 |
| McCarthy, L; McMahon, KK; Schimmel, RJ | 1 |
| Dunlap, WP; Harston, CT; Hennig, CW; Macphee, AA | 1 |
| Firman-White, L; Hsueh, AY; Schimmel, RJ; Serio, R | 1 |
| Török, TL; Vizi, ES | 1 |
| De Mey, J; Vanhoutte, PM | 1 |
| Leff, AR; Munoz, NM | 1 |
| Moran, R; Sabin, CS; Sybertz, EJ | 1 |
| Exton, JH | 1 |
| Duval, N; Langer, SZ; Massingham, R; Shepperson, NB | 1 |
| Wikberg, JE | 1 |
| Heitz, C; Randriantsoa, A; Stoclet, JC | 1 |
| Koenig, JI; Krulich, L; Mayfield, MA; McCann, SM; McMillen, BA; Steele, MK | 1 |
| Chang, EB; Field, M; Miller, RJ | 1 |
| Hamilton, CA; Reid, JL | 1 |
| Djabali, M; Pic, P | 1 |
| Cabot, JB; Guyenet, PG | 1 |
| Biggs, DF; Peterson, MA | 1 |
| Cochaux, P; Dumont, JE; van Sande, J | 1 |
| Bradshaw, CM; Stoker, MJ; Szabadi, E | 1 |
| Grignon, L; Haidamous, M; Kouyoumdjian, JC; Lacombe, C; Lautie, JP | 1 |
| Hösli, E; Hösli, L; Lehmann, R; Lutz, TW; Zehntner, C | 1 |
| Dieckhöfer, C; Docherty, JR; Göthert, M; Starke, K | 1 |
| Chiou, GC | 1 |
| Morgan, KG | 1 |
| Andersson, KE; Edvinsson, L; Skärby, TV | 1 |
| Dieguez, C; Foord, SM; Hall, R; Peters, JR; Scanlon, MF | 1 |
| Cools, AR; Oosterloo, SK | 1 |
| Awad, R; Deth, RC; Payne, R | 1 |
| Ercan, ZS | 1 |
| Cognie, F; Creuzet, MH; Malek, A; Pontagnier, H; Roquebert, J | 1 |
| Heilman, RD; Lee, JY; Radzialowski, FM; Walsh, GM | 1 |
| Krothapalli, RK; Suki, WN | 1 |
| Cheng, HC; Woodward, JK | 1 |
| Agrawal, DK; Daniel, EE; Triggle, CR | 1 |
| Fregly, MJ; Greenleaf, JE; Rowland, NE | 1 |
| Daniel, EE; Fox, JE; Jury, J; Sakai, Y | 1 |
| Bäck, O; Henriksson, R; Hörnqvist, R | 1 |
| Christie, MJ; Einstein, R; Jackson, DM; Perrington, A | 1 |
| Kitada, Y; Kosasa, T; Miyauchi, T; Satoh, S | 1 |
| Ledda, F; Mantelli, L | 1 |
| Basile, AS; Dunwiddie, TV | 1 |
| Desaulles, E; Heitz, C; Stoclet, JC; Tetsi, L | 1 |
| Ahrens, FA; Zhu, BL | 1 |
| Carton, H; De Wulf, H; Proost, C; Van Veldhoven, P; Ververken, D | 1 |
| Clemmons, RM; Huston, LY; Meyers, KM | 1 |
| Borda, E; del C Agostini, M; Gimeno, AL; Gimeno, MF | 1 |
| Insel, T; Siever, L; Uhde, T | 1 |
| Chen, SY; Chern, JW; Tao, PL; Tseng, CJ; Yen, MH | 1 |
| Kow, LM; Pfaff, DW | 1 |
| Johns, EJ; Sattar, MA | 2 |
| Bandou, Y; Hori, H; Kawakami, T; Takenaka, T | 1 |
| Abdul Sattar, M; Johns, EJ | 1 |
| Akino, H; Gobara, M; Kigoshi, S; Muramatsu, I; Ohmura, T; Okada, K; Oshita, M | 1 |
| Han, C; Yu, GS | 1 |
| Bragadóttir, R; Jarkman, S | 1 |
| Carrière, S; Chan, JS; Delalandre, A; Lachance, S; Wang, TT | 1 |
| Nishikawa, T; Tanaka, M | 1 |
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| Abdullah, NA; Armenia, A; Johns, EJ; Khan, MA; Sattar, MA | 1 |
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| Bhuiyan, ME; Cui, H; Gouraud, SS; Kohsaka, A; Maeda, M; Takagishi, M; Waki, H; Yamazaki, T | 1 |
| Abdullah, NA; Johns, EJ; Kazi, RN; Khan, AH; Munavvar, AS | 1 |
| Chung, YK; Jeong, YS; Lee, HK; Park, KE; Shin, IW; Sohn, JT; Sung, HJ | 1 |
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| Iwasaka, T; Kawamura, A; Murakawa, K; Sugiura, T; Yokoe, H; Yoshida, S; Yuasa, F | 1 |
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5 review(s) available for clonidine and phenylephrine
| Article | Year |
|---|---|
alpha 2 adrenoceptors: classification, localization, mechanisms, and targets for drugs.
Topics: Adipose Tissue; Animals; Blood Platelets; Central Nervous System; Humans; Islets of Langerhans; Melanocytes; Muscle, Smooth, Vascular; Nerve Endings; Norepinephrine; Parasympathetic Nervous System; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Serotonin; Synapses | 1982 |
Fat cell adrenoceptors: inter- and intraspecific differences and hormone regulation.
Topics: Adipose Tissue; Albuterol; Animals; Catecholamines; Clonidine; Cyclic AMP; Dihydroalprenolol; Epinephrine; Isoproterenol; Lipolysis; Methoxamine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Species Specificity | 1985 |
Molecular mechanisms involved in alpha-adrenergic responses.
Topics: Adenylyl Cyclases; Alprostadil; Animals; Blood Platelets; Calcium; Clonidine; Cyclic AMP; Epinephrine; Glucose; Guanosine Triphosphate; Liver; Nordefrin; Phenylephrine; Phosphatidylinositols; Phosphorylase a; Phosphorylase b; Prazosin; Prostaglandins E; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1981 |
Noradrenergic challenges in the affective disorders.
Topics: Amphetamine; Behavior; Clonidine; Growth Hormone; Humans; Hydrocortisone; Mood Disorders; Neurons; Norepinephrine; Phenylephrine; Sympathetic Nervous System; Tyramine | 1981 |
Catecholamines and angiotensinogen gene expression in kidney proximal tubular cells.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Angiotensinogen; Animals; Cell Line; Clonidine; Gene Expression Regulation; Human Growth Hormone; Humans; Isoproterenol; Kidney Tubules, Proximal; Norepinephrine; Opossums; Phenylephrine; Rats; Recombinant Fusion Proteins; Tetradecanoylphorbol Acetate | 2000 |
21 trial(s) available for clonidine and phenylephrine
| Article | Year |
|---|---|
Sensitization of human alpha 1- and alpha 2-adrenergic venous responses by guanadrel sulfate.
Topics: Adolescent; Adult; Clonidine; Dose-Response Relationship, Drug; Guanidines; Hand; Humans; Male; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vasoconstriction | 1990 |
Effects of azepexole and clonidine on baroreceptor mediated reflex bradycardia and physiological tremor in man.
Topics: Adrenergic alpha-Agonists; Adult; Arousal; Azepines; Blood Pressure; Clonidine; Electrocardiography; Heart Rate; Humans; Male; Phenylephrine; Pressoreceptors; Reflex; Tremor | 1985 |
Effects of clonidine premedication on the pressor response to alpha-adrenergic agonists.
Topics: Adolescent; Adrenergic alpha-Agonists; Adult; Blood Pressure; Clonidine; Drug Synergism; Female; Heart Rate; Humans; Male; Middle Aged; Norepinephrine; Phenylephrine; Premedication | 1995 |
Enhancement of pressor response to intravenous phenylephrine following oral clonidine medication in awake and anaesthetized patients.
Topics: Administration, Oral; Adult; Anesthesia, Inhalation; Blood Pressure; Clonidine; Drug Synergism; Enflurane; Female; Heart Rate; Humans; Injections, Intravenous; Male; Middle Aged; Nitrous Oxide; Phenylephrine; Preanesthetic Medication; Receptors, Adrenergic, alpha-1; Vasoconstrictor Agents; Wakefulness | 1995 |
Selective enhancement of alpha 2-adrenoceptor-mediated vasoconstriction in insulin-dependent diabetic patients with microalbuminuria.
Topics: Adult; Albuminuria; Clonidine; Diabetes Mellitus, Type 1; Dose-Response Relationship, Drug; Humans; Phenylephrine; Receptors, Adrenergic, alpha-2; Vasoconstriction | 1995 |
Comparisons of tetracaine spinal anesthesia with clonidine or phenylephrine in normotensive and hypertensive humans.
Topics: Adult; Aged; Anesthesia, Spinal; Blood Pressure; Clonidine; Female; Hemodynamics; Humans; Hypertension; Male; Middle Aged; Nerve Block; Pain, Postoperative; Phenylephrine; Tetracaine | 1994 |
Adrenergic modulation of human colonic motor and sensory function.
Topics: Adrenergic Agents; Adult; Anxiety; Blood Pressure; Clonidine; Colon; Depression; Female; Gastrointestinal Motility; Heart Rate; Humans; Male; Muscle Contraction; Muscle Tonus; Muscle, Smooth; Phenylephrine; Postprandial Period; Pressure; Ritodrine; Sensation; Single-Blind Method; Stress, Psychological; Yohimbine | 1997 |
Alpha 2-adrenergic modulation of colonic tone during hyperventilation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Blood Pressure; Clonidine; Colon; Female; Gastrointestinal Motility; Heart Rate; Humans; Hyperventilation; Male; Muscle Tonus; Muscle, Smooth; Phenylephrine; Receptors, Adrenergic, alpha-2; Ritodrine; Yohimbine | 1997 |
Clonidine premedication modifies responses to adrenoceptor agonists and baroreflex sensitivity.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Adult; Anesthesia, General; Baroreflex; Blood Pressure; Clonidine; Drug Interactions; Female; Heart Rate; Humans; Hypotension; Isoproterenol; Linear Models; Male; Middle Aged; Nitroglycerin; Phenylephrine; Preanesthetic Medication; Sympatholytics; Sympathomimetics; Vasodilator Agents | 1998 |
Enhancement of intrathecal lidocaine by addition of local and systemic clonidine.
Topics: Adrenergic alpha-Agonists; Aged; Analgesics; Anesthesia, Spinal; Anesthetics, Local; Antihypertensive Agents; Clonidine; Dose-Response Relationship, Drug; Female; Femoral Neck Fractures; Fracture Fixation, Internal; Hemodynamics; Humans; Hysterectomy; Injections, Spinal; Lidocaine; Male; Middle Aged; Motor Neurons; Nerve Block; Neurons, Afferent; Phenylephrine; Prostatectomy | 1999 |
The effects of clonidine on sensitivity to phenylephrine and nitroprusside in patients with essential hypertension recovering from surgery.
Topics: Aged; Antihypertensive Agents; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Double-Blind Method; Electrocardiography; Female; Heart Rate; Humans; Hypertension; Male; Middle Aged; Nitroprusside; Phenylephrine; Postoperative Period; Prospective Studies; Vasoconstrictor Agents; Vasodilator Agents | 1999 |
Reversal of intraocular pressure increases with 0.5% apraclonidine after dilated fundus examination in patients with chronic open-angle glaucoma.
Topics: Adrenergic alpha-Agonists; Aged; Aged, 80 and over; Chronic Disease; Clonidine; Double-Blind Method; Fundus Oculi; Glaucoma, Open-Angle; Humans; Intraocular Pressure; Male; Middle Aged; Mydriatics; Ophthalmic Solutions; Phenylephrine; Pupil; Tropicamide | 1999 |
Effects of menstrual cycle and race on peripheral vascular alpha-adrenergic responsiveness.
Topics: Adrenergic alpha-Agonists; Adult; Antihypertensive Agents; Black People; Blood Pressure; Clonidine; Endothelium, Vascular; Estradiol; Female; Fingers; Follicular Phase; Heart Rate; Humans; Hypertension; Luteal Phase; Norepinephrine; Phenylephrine; Progesterone; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Regional Blood Flow; Vasoconstriction; White People | 2000 |
Effects of chronic clonidine administration on sympathetic nerve traffic and baroreflex function in heart failure.
Topics: Baroreflex; Blood Pressure; Clonidine; Double-Blind Method; Female; Heart Failure; Heart Rate; Humans; Male; Middle Aged; Nitroprusside; Norepinephrine; Phenylephrine; Sympathetic Nervous System; Sympatholytics | 2001 |
alpha1- and alpha2-adrenergic vasoconstriction is blunted in contracting human muscle.
Topics: Adrenergic alpha-Agonists; Adrenergic Uptake Inhibitors; Adult; Clonidine; Forearm; Humans; Male; Muscle Contraction; Muscle, Skeletal; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Tyramine; Vasoconstriction | 2003 |
Exogenous NO administration and alpha-adrenergic vasoconstriction in human limbs.
Topics: Adenosine; Adrenergic alpha-Agonists; Adult; Clonidine; Extremities; Forearm; Humans; Laser-Doppler Flowmetry; Male; Nitric Oxide; Nitric Oxide Donors; Nitroprusside; Phenylephrine; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Regional Blood Flow; Tyramine; Vasoconstriction; Vasodilator Agents | 2003 |
Combined NO and PG inhibition augments alpha-adrenergic vasoconstriction in contracting human skeletal muscle.
Topics: Adenosine; Adrenergic alpha-Agonists; Adult; Blood Pressure; Clonidine; Humans; Male; Muscle Contraction; Muscle, Skeletal; Nitric Oxide; Norepinephrine; Phenylephrine; Prostaglandins; Receptors, Adrenergic, alpha; Regional Blood Flow; Sympathetic Nervous System; Tyramine; Vasoconstriction | 2004 |
Impaired modulation of sympathetic alpha-adrenergic vasoconstriction in contracting forearm muscle of ageing men.
Topics: Adenosine; Adrenergic alpha-Agonists; Adult; Aged; Aging; Clonidine; Forearm; Hand Strength; Humans; Male; Muscle Contraction; Muscle, Skeletal; Phenylephrine; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Sympatholytics; Tyramine; Vasoconstriction | 2005 |
The effects of clonidine on arterial baroreflex sensitivity and cardiopulmonary baroreflex control of sympathetic nerve activity in patients with left ventricular dysfunction.
Topics: Adrenergic alpha-1 Receptor Agonists; Aged; Analysis of Variance; Arteries; Baroreflex; Blood Pressure; Clonidine; Female; Heart; Heart Rate; Humans; Japan; Lower Body Negative Pressure; Male; Middle Aged; Muscle, Skeletal; Norepinephrine; Phenylephrine; Sympathetic Nervous System; Sympatholytics; Time Factors; Treatment Outcome; Ultrasonography; Ventricular Dysfunction, Left | 2011 |
Effects of cyclooxygenase inhibition on vascular responses evoked in fingers of men and women by iontophoresis of 1- and 2-adrenoceptor agonists.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Aspirin; Clonidine; Cyclooxygenase Inhibitors; Estrogens; Female; Fingers; Humans; Iontophoresis; Male; Phenylephrine; Regional Blood Flow; Sex Characteristics; Sympathetic Nervous System; Vasoconstriction; Vasodilation; Young Adult | 2011 |
Altered neurovascular control of the resting circulation in human metabolic syndrome.
Topics: Adolescent; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adult; Clonidine; Female; Humans; Male; Metabolic Syndrome; Middle Aged; Muscle, Skeletal; Peroneal Nerve; Phenylephrine; Receptors, Adrenergic, alpha; Regional Blood Flow; Sympathetic Nervous System; Vasoconstriction; Young Adult | 2012 |
611 other study(ies) available for clonidine and phenylephrine
| Article | Year |
|---|---|
Heteroaromatic analogues of the alpha 2-adrenoreceptor partial agonist clonidine.
Topics: Adrenergic alpha-Agonists; Animals; Brain; Clonidine; Heterocyclic Compounds; Male; Rats; Vas Deferens | 1989 |
Effect of methoxy substitution on the adrenergic activity of three structurally related alpha 2-adrenoreceptor antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Chemical Phenomena; Chemistry; Clonidine; Dioxanes; Dioxins; Imidazoles; Male; Mice; Muscle Contraction; Phenylephrine; Piperidines; Piperoxan; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Structure-Activity Relationship | 1986 |
alpha-adrenoreceptor reagents. 1. Synthesis of some 1,4-benzodioxans as selective presynaptic alpha 2-adrenoreceptor antagonists and potential antidepressants.
Topics: Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Dioxins; Dose-Response Relationship, Drug; Idazoxan; Male; Mice; Phenylephrine; Rats; Rats, Inbred Strains; Structure-Activity Relationship; Synapses; Vas Deferens | 1983 |
Quantitative relationships between alpha-adrenergic activity and binding affinity of alpha-adrenoceptor agonists and antagonists.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Blood Pressure; Brain; Cell Membrane; Clonidine; Kinetics; Prazosin; Quinazolines; Rats; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Vasoconstriction | 1984 |
Alpha-adrenoreceptor reagents. 2. Effects of modification of the 1,4-benzodioxan ring system on alpha-adrenoreceptor activity.
Topics: Adrenergic alpha-Antagonists; Animals; Dioxanes; Dioxins; Idazoxan; Indicators and Reagents; Male; Mice; Muscles; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Synapses; Vas Deferens | 1984 |
Selectivity of agonists for cloned alpha 1-adrenergic receptor subtypes.
Topics: Adrenergic alpha-1 Receptor Agonists; Animals; Binding, Competitive; Catecholamines; Cattle; Cell Line; Cloning, Molecular; Cricetinae; Humans; Imidazoles; Inositol Phosphates; Phenethylamines; Phenoxybenzamine; Radioligand Assay; Rats; Receptors, Adrenergic, alpha-1; Recombinant Proteins; Tetralones | 1994 |
QSAR model for drug human oral bioavailability.
Topics: Administration, Oral; Biological Availability; Humans; Models, Biological; Models, Molecular; Pharmaceutical Preparations; Pharmacokinetics; Structure-Activity Relationship | 2000 |
Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.
Topics: Animals; Chemical and Drug Induced Liver Injury; Cluster Analysis; Databases, Factual; Humans; MEDLINE; Mice; Models, Chemical; Molecular Conformation; Quantitative Structure-Activity Relationship | 2010 |
α-Adrenoceptor antagonistic and hypotensive properties of novel arylpiperazine derivatives of pyrrolidin-2-one.
Topics: Adrenergic alpha-1 Receptor Antagonists; Animals; Dose-Response Relationship, Drug; Hypotension; Male; Molecular Structure; Piperazines; Pyrrolidinones; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Structure-Activity Relationship | 2015 |
alpha-Adrenoceptors in the ventricular myocardium: clonidine, naphazoline and methoxamine as partial alpha-agonists exerting a competitive dualism in action to phenylephrine.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Heart; Heart Ventricles; Imidazoles; In Vitro Techniques; Methoxamine; Naphazoline; Papillary Muscles; Phentolamine; Phenylephrine; Pindolol; Rabbits; Receptors, Adrenergic; Stimulation, Chemical | 1976 |
Characterization of adrenoceptors mediating positive inotropic responses in the ventricular myocardium of the dog.
Topics: Adrenergic beta-Antagonists; Animals; Clonidine; Desipramine; Dogs; Female; Heart Ventricles; Male; Methoxamine; Myocardial Contraction; Papaverine; Papillary Muscles; Phenylephrine; Phosphodiesterase Inhibitors; Receptors, Adrenergic; Reserpine; Sinoatrial Node; Stimulation, Chemical; Temperature | 1978 |
Novel alpha2-adrenoreceptors primarily responsible for inducing human platelet aggregation.
Topics: Adenosine Diphosphate; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Clonidine; Humans; Phenylephrine; Platelet Aggregation; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Serotonin; Vasopressins; Yohimbine | 1979 |
Inhibition by alpha-adrenoceptor agonists of renin release in vitro.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Depression, Chemical; Epinephrine; In Vitro Techniques; Isoproterenol; Kidney; Male; Methoxamine; Norepinephrine; Oxymetazoline; Phentolamine; Phenylephrine; Propranolol; Rats; Renin | 1979 |
Inhibitory effects of imidazolines on histamine liberation from human leukocytes and on tracheal smooth muscle tone.
Topics: Animals; Cattle; Cimetidine; Clemastine; Clonidine; Guinea Pigs; Histamine H1 Antagonists; Histamine H2 Antagonists; Histamine Release; Humans; Imidazoles; Leukocytes; Muscle Contraction; Muscle Tonus; Muscle, Smooth; Phentolamine; Phenylephrine; Propranolol; Tolazoline | 1978 |
Roles of alpha and beta adrenergic receptors in control of glucose oxidation in hamster epididymal adipocytes.
Topics: Adipose Tissue; Adrenocorticotropic Hormone; Animals; Catecholamines; Clonidine; Cricetinae; Epinephrine; Glucose; Glycerol; Insulin; Isoproterenol; Lipid Mobilization; Male; Methoxamine; Norepinephrine; Phenylephrine; Propranolol; Receptors, Adrenergic | 1976 |
Mechanism of cardiovascular effects of clonidine in conscious and anesthetized rabbits.
Topics: Animals; Aorta; Blood Pressure; Carotid Sinus; Clonidine; Cordotomy; Denervation; Heart Rate; Hemodynamics; Male; Norepinephrine; Phenylephrine; Pressoreceptors; Rabbits; Receptors, Adrenergic, alpha; Spinal Cord; Time Factors | 1977 |
H2-histaminergic activity of clonidine in the guinea pig heart.
Topics: Animals; Burimamide; Clonidine; Cyclic AMP; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart; Heart Rate; Male; Methylhistamines; Myocardial Contraction; Myocardium; Phentolamine; Phenylephrine; Phosphorylases; Propranolol; Reserpine | 1977 |
Binding of 3H-catecholamines to alpha-noradrenergic receptor sites in calf brain.
Topics: Animals; Brain; Catechols; Cattle; Clonidine; Dioxanes; Epinephrine; Isoproterenol; Kinetics; Norepinephrine; Phenyl Ethers; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Temperature | 1977 |
Presynaptic inhibitory effects of catecholamines on cholinergic transmission in the smooth muscle of the chick stomach.
Topics: Animals; Catecholamines; Chickens; Clonidine; Dopamine; Epinephrine; In Vitro Techniques; Isoproterenol; Muscle, Smooth; Norepinephrine; Parasympathetic Nervous System; Phenylephrine; Receptors, Adrenergic, alpha; Stomach; Synapses; Synaptic Transmission; Vagus Nerve | 1978 |
Changes of adrenoceptor-mediated responses in the pithed rat during propylthiouracil-induced hypothyroidism.
Topics: Animals; Atropine; Blood Pressure; Bupranolol; Clonidine; Disease Models, Animal; Electric Stimulation; Heart Rate; Hypothyroidism; Isoproterenol; Male; Norepinephrine; Phenylephrine; Propylthiouracil; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Spinal Cord; Tubocurarine | 1979 |
Effects of prazosin and phentolamine on cardiac presynaptic alpha-adrenoceptors in the cat, dog and rat.
Topics: Animals; Cats; Clonidine; Depression, Chemical; Dogs; Electric Stimulation; Female; Heart Rate; Imidazoles; Male; Phentolamine; Phenylephrine; Prazosin; Quinazolines; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1978 |
Pre- and postsynaptic components in effect of drugs with alpha adrenoceptor affinity.
Topics: Action Potentials; Adrenergic alpha-Agonists; Animals; Clonidine; Cocaine; Corticosterone; In Vitro Techniques; Methoxamine; Muscle Contraction; Neurons; Norepinephrine; Oxymetazoline; Phenylephrine; Propranolol; Pulmonary Artery; Rabbits; Receptors, Adrenergic; Synapses | 1975 |
Stimulation of adenosine 3',5'-monophosphate formation by alpha and beta adrenergic agonists in rat cerebral cortical slices: effects of clonidine.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Cerebral Cortex; Clonidine; Cyclic AMP; Drug Interactions; In Vitro Techniques; Isoproterenol; Male; Methoxamine; Norepinephrine; Oxymetazoline; Phenoxybenzamine; Phenylephrine; Propranolol; Rats; Rats, Inbred F344; Stimulation, Chemical | 1975 |
Catecholamine receptors on locus coeruleus neurons: pharmacological characterization.
Topics: Action Potentials; Animals; Apomorphine; Cerebral Ventricles; Clonidine; Dopamine; Epinephrine; gamma-Aminobutyric Acid; Iontophoresis; Isoproterenol; Male; Neurons; Nordefrin; Norepinephrine; Phenylephrine; Piperoxan; Rats; Receptors, Adrenergic; Sotalol; Trifluoperazine | 1977 |
Antihypertensive effects of clonidine in tetraplegic subjects devoid of central sympathetic control.
Topics: Adult; Antihypertensive Agents; Blood Pressure; Clonidine; Heart Rate; Humans; Hypertension; Male; Middle Aged; Norepinephrine; Phenylephrine; Quadriplegia; Sympathetic Nervous System; Urinary Bladder | 1979 |
Differentiation between pre- and postjunctional alpha-receptors in guinea pig ileum and rabbit aorta.
Topics: Animals; Aorta, Thoracic; Cimetidine; Clonidine; Dibenzylchlorethamine; Dose-Response Relationship, Drug; Electric Stimulation; Epinephrine; Female; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Neuromuscular Junction; Oxymetazoline; Parasympathetic Nervous System; Phenoxybenzamine; Phentolamine; Phenylephrine; Rabbits; Receptors, Adrenergic; Tolazoline | 1978 |
Is the release of noradrenaline necessary for self-stimulation of the brain?
Topics: Amphetamine; Animals; Benserazide; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Brain; Clonidine; Disulfiram; Levodopa; Male; Naphazoline; Nerve Endings; Norepinephrine; Oxymetazoline; Phenylephrine; Rats; Receptors, Drug; Reserpine; Self Stimulation | 1976 |
Differential effect of baroreceptor reflexes and clonidine on frequency components of sympathetic discharge.
Topics: Animals; Blood Pressure; Cats; Clonidine; Denervation; Kidney; Phenylephrine; Pressoreceptors; Reflex; Sympathetic Nervous System; Vasomotor System | 1976 |
Alpha adrenergic control of growth hormone in adult male rats.
Topics: Animals; Clonidine; Growth Hormone; Injections, Intravenous; Injections, Intraventricular; Male; Phentolamine; Phenylephrine; Pituitary Gland; Pituitary Gland, Anterior; Rats | 1976 |
Alpha-noradrenergic modulation of hypothalamic self-stimulation: studies employing clonidine, 1-phenylephrine and alpha-methyl-p-tyrosine.
Topics: Animals; Clonidine; Drug Synergism; Electric Stimulation; Electrodes, Implanted; Hypothalamus; Male; Methyltyrosines; Norepinephrine; Phenylephrine; Rats; Self Stimulation; Time Factors | 1976 |
Effects of chronic ethanol consumption on alpha-adrenergic-induced contractions in rat thoracic aorta.
Topics: Animals; Aorta, Thoracic; Clonidine; Ethanol; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Nitric Oxide; Phenylephrine; Potassium Chloride; Rats; Receptors, Adrenergic, alpha | 1992 |
Plasticity of adrenoceptor responsiveness on irANP secretion and pro-ANP mRNA expression in hypothalamic neuron cultures: modulation by dexamethasone.
Topics: Animals; Animals, Newborn; Atrial Natriuretic Factor; Cells, Cultured; Clonidine; Dexamethasone; Dose-Response Relationship, Drug; Gene Expression; Hypothalamus; Isoproterenol; Kinetics; Neuronal Plasticity; Neurons; Norepinephrine; Phenylephrine; Protein Precursors; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; RNA, Messenger | 1992 |
Alpha-adrenoreceptor modulation of neurally evoked circular muscle responses of the guinea pig stomach.
Topics: Animals; Clonidine; Electric Stimulation; Guinea Pigs; Motor Activity; Muscle, Smooth; Nervous System Physiological Phenomena; Phenylephrine; Receptors, Adrenergic, alpha; Stomach | 1992 |
Local temperature modulates alpha 1- and alpha 2-adrenergic vasoconstriction in men.
Topics: Adult; Body Temperature; Clonidine; Cold Temperature; Dose-Response Relationship, Drug; Fingers; Humans; Injections, Intra-Arterial; Male; Phenylephrine; Receptors, Adrenergic, alpha; Regional Blood Flow; Vasoconstriction | 1992 |
Involvement of alpha 2-adrenoceptors in the sacral micturition reflex in rats.
Topics: Animals; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; In Vitro Techniques; Injections, Spinal; Male; Neurons; Phenylephrine; Pons; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Reflex; Urinary Bladder; Yohimbine | 1992 |
Effects of cholinergic and adrenergic agonists on adenylate cyclase activity of retinal microvascular pericytes in culture.
Topics: Adenylyl Cyclases; Adrenergic Agonists; Animals; Capillaries; Cattle; Cells, Cultured; Clonidine; Cyclic AMP; Isoproterenol; Oxotremorine; Parasympathomimetics; Phenylephrine; Propranolol; Receptors, Adrenergic; Receptors, Cholinergic; Retinal Vessels | 1992 |
Subtype-selective alpha-1 adrenoceptor alkylation in the rat kidney and its effect on the vascular pressor response.
Topics: Adrenergic alpha-Antagonists; Alkylation; Animals; Clonidine; Imidazoles; Kidney; Male; Methoxamine; Phenylephrine; Prazosin; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Renal Artery | 1992 |
Alpha-adrenergic input in the locus coeruleus modulates plasma adrenocorticotropin in cats.
Topics: Adrenocorticotropic Hormone; Animals; Blood Pressure; Cats; Clonidine; Female; Glutamates; Glutamic Acid; Kinetics; Locus Coeruleus; Male; Microinjections; Phenylephrine; Pons; Prazosin; Radioimmunoassay; Receptors, Adrenergic, alpha; Reference Values; Time Factors; Yohimbine | 1992 |
Selective adrenergic agonists and colon motility in monkeys.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Colon; Dobutamine; Dose-Response Relationship, Drug; Gastrointestinal Motility; Macaca fascicularis; Phenylephrine; Terbutaline | 1992 |
Cardiovascular responses of sinoaortic-denervated rats to intracerebroventricular injection of alpha 1- and alpha 2-adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Denervation; Dioxanes; Heart Rate; Idazoxan; Injections, Intraventricular; Phenylephrine; Prazosin; Pressoreceptors; Rats; Rats, Inbred Strains | 1992 |
Receptor-coupled uptake of valproate in rat astroglial primary cultures.
Topics: 6-Cyano-7-nitroquinoxaline-2,3-dione; Animals; Animals, Newborn; Astrocytes; Biological Transport; Cells, Cultured; Cerebral Cortex; Clonidine; Drug Interactions; Glutamates; Glutamic Acid; Isoproterenol; Kainic Acid; Ketanserin; Phenylephrine; Prazosin; Quinoxalines; Quisqualic Acid; Rats; Rats, Inbred Strains; Receptors, Neurotransmitter; Serotonin; Valproic Acid; Yohimbine | 1992 |
Effect of chlorethylclonidine on arterial blood pressure and heart rate in the conscious rat.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Blood Pressure; Clonidine; Heart Rate; Injections, Intraperitoneal; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1992 |
Biphasic response of clonidine in isolated rat aortae.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Phenylephrine; Rats; Rats, Sprague-Dawley | 1992 |
Effect of aspirin on the contractility of aortic smooth muscle in female spontaneously hypertensive rats.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Aspirin; Blood Pressure; Clonidine; Female; Hypertension; In Vitro Techniques; Membrane Potentials; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred SHR; Rats, Inbred WKY | 1992 |
Evaluation of the alpha-adrenoceptor antagonistic action of berberine in isolated organs.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Berberine; Clonidine; Female; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Rabbits; Rats | 1992 |
Effect of temperature reduction on the reactivity of the mouse vas deferens to adrenergic drugs.
Topics: Animals; Calcium; Clonidine; Cold Temperature; Dose-Response Relationship, Drug; Extracellular Space; In Vitro Techniques; Isoproterenol; Male; Mice; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Sympathomimetics; Vas Deferens | 1992 |
Aortic baroreceptors exert a tonically active restraining influence on centrally mediated depressor responses.
Topics: Animals; Aorta; Clonidine; Hemodynamics; Hexamethonium; Hexamethonium Compounds; Injections, Intravenous; Nitroprusside; Phenylephrine; Pressoreceptors; Rats; Rats, Inbred Strains | 1992 |
Evaluation of a rat model for the study of local regulation of intestinal blood flow: ex vivo asanguineous perfusion of the ileal vascular bed.
Topics: Animals; Aorta; Blood Flow Velocity; Cell Membrane Permeability; Clonidine; Electromagnetic Phenomena; Gastrointestinal Motility; Ileum; Intestinal Mucosa; Male; Models, Biological; Oxygen Consumption; Perfusion; Phenylephrine; Pressure; Rats; Rats, Wistar | 1992 |
Development of a new rabbit ear model for the longitudinal study of digital pathophysiology.
Topics: Albuterol; Animals; Aorta, Abdominal; Blood Pressure; Catheterization, Peripheral; Clonidine; Disease Models, Animal; Ear, External; Fingers; Laser-Doppler Flowmetry; Male; Microcirculation; Phenylephrine; Prazosin; Pulsatile Flow; Rabbits; Regional Blood Flow; Rheology; Skin | 1992 |
Interactions between the effects of endothelin-1, clonidine and yohimbine on electrically-induced contractions in rat vas deferens.
Topics: Adenosine Triphosphate; Animals; Clonidine; Electric Stimulation; Endothelins; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Phenylephrine; Rats; Rats, Inbred Strains; Vas Deferens; Yohimbine | 1992 |
Role of cholinergic and adrenergic pathways of the medial septal area in the control of water intake and renal excretion in rats.
Topics: Animals; Carbachol; Clonidine; Drinking; Isoproterenol; Kidney; Male; Mesencephalon; Neural Pathways; Norepinephrine; Parasympathetic Nervous System; Phenylephrine; Potassium; Rats; Sodium; Sympathetic Nervous System; Urodynamics | 1992 |
Alpha 1- and alpha 2-adrenergic response in human isolated skin arteries during cooling.
Topics: Adult; Aged; Arteries; Clonidine; Cold Temperature; Drug Interactions; Humans; In Vitro Techniques; Isometric Contraction; Middle Aged; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Phenylephrine; Potassium; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Skin; Yohimbine | 1991 |
Influence of extracellular Ca2+ on the modulation of alpha-adrenergic-induced contractions in rat aorta.
Topics: Animals; Aorta, Thoracic; Calcium; Clonidine; Endothelium, Vascular; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Phenylephrine; Rats; Receptors, Adrenergic, alpha | 1991 |
Prefrontal cortex alpha 2 adrenoceptors and energy balance.
Topics: Animals; Clonidine; Eating; Energy Metabolism; Frontal Lobe; Male; Microinjections; Motor Activity; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Respiratory Function Tests | 1991 |
Catecholaminergic projections to tuberoinfundibular neurones of the paraventricular nucleus: III. Effects of adrenoceptor agonists and antagonists.
Topics: Afferent Pathways; Animals; Clonidine; Electric Stimulation; Ergotamine; Iontophoresis; Male; Median Eminence; Neurons; Norepinephrine; Paraventricular Hypothalamic Nucleus; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sciatic Nerve | 1991 |
Topical application of clonidine relieves hyperalgesia in patients with sympathetically maintained pain.
Topics: Administration, Cutaneous; Adult; Clonidine; Female; Humans; Hyperalgesia; Norepinephrine; Pain; Phenylephrine; Receptors, Adrenergic, alpha; Skin; Sympathetic Nervous System | 1991 |
Differences in alpha 1-adrenoceptor mechanisms for phenylephrine and tizanidine in rabbit thoracic aorta and common iliac artery.
Topics: Animals; Aorta, Thoracic; Clonidine; Dioxanes; Iliac Artery; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Phenylephrine; Rabbits; Receptors, Adrenergic, alpha; Tissue Distribution; Vasoconstriction | 1991 |
[Measurement of isometric tracheal tension induced by injection into tracheal arterial circulation in vivo].
Topics: Acetylcholine; Animals; Arteries; Clonidine; Dogs; Dose-Response Relationship, Drug; Histamine; Injections, Intra-Arterial; Muscle Contraction; Muscle, Smooth; Phenylephrine; Receptors, Adrenergic, beta; Regional Blood Flow; Serotonin; Thyroid Gland; Trachea | 1991 |
Noradrenergic modulation of the medullary respiratory rhythm generator in the newborn rat: an in vitro study.
Topics: Animals; Animals, Newborn; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Isoproterenol; Medulla Oblongata; Norepinephrine; Perfusion; Phenylephrine; Pons; Rats; Receptors, Adrenergic, alpha; Respiration | 1991 |
Norepinephrine release during autoregulatory escape: effects of alpha 2-receptor blockade.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Electric Stimulation; Female; Homeostasis; Intestinal Mucosa; Intestines; Male; Norepinephrine; Phenylephrine; Regional Blood Flow; Sympathetic Nervous System; Yohimbine | 1991 |
Abnormal automatic rhythms in ischemic Purkinje fibers are modulated by a specific alpha 1-adrenergic receptor subtype.
Topics: Adrenergic alpha-Antagonists; Animals; Arrhythmias, Cardiac; Calcium; Clonidine; Coronary Disease; Dioxanes; Dogs; Extracellular Space; Heart Rate; Phenylephrine; Propranolol; Purkinje Fibers; Receptors, Adrenergic, alpha | 1991 |
On the putative mechanism of induction and regulation of melanogenesis by L-tyrosine.
Topics: Animals; Catecholamines; Cell Line; Clonidine; Cricetinae; Isoproterenol; Melanins; Melanoma, Experimental; Monophenol Monooxygenase; Phenylephrine; Tyramine; Tyrosine | 1991 |
Modulation of alpha-adrenergic-induced contractions by endothelium-derived relaxing factor in rat aorta.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; Endothelium, Vascular; In Vitro Techniques; Methylene Blue; Muscle Contraction; Muscle, Smooth, Vascular; Nitric Oxide; Nitrous Oxide; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1991 |
Determination of prostatic secretion in rats: effect of neurotransmitters and testosterone.
Topics: Acetylcholine; Acid Phosphatase; Animals; Carbachol; Castration; Clonidine; Denervation; Dose-Response Relationship, Drug; Isoproterenol; Male; Neurotransmitter Agents; Norepinephrine; Organ Size; Phenylephrine; Pilocarpine; Prostate; Rats; Rats, Inbred Strains; Testosterone | 1991 |
Interaction of imidazolines with alkylation-sensitive and -resistant alpha-1 adrenoceptor subtypes.
Topics: Adrenergic alpha-Antagonists; Animals; Binding Sites; Clonidine; Drug Interactions; Imidazoles; Injections, Intraperitoneal; Male; Muscle, Smooth, Vascular; Phentolamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1991 |
Iontophoretic analysis of the pharmacologic mechanisms responsible for initiation and modulation of trigeminal motoneuronal discharge evoked by intra-oral afferent stimulation.
Topics: 2-Amino-5-phosphonovalerate; Afferent Pathways; Animals; Clonidine; Dental Pulp; Evoked Potentials; Guinea Pigs; Kynurenic Acid; Male; Motor Neurons; Mouth Mucosa; Neck Muscles; Nerve Fibers; Norepinephrine; Phenylephrine; Prazosin; Synapses; Synaptic Transmission; Tongue; Trigeminal Nerve; Yohimbine | 1991 |
Adrenoceptors of the human internal thoracic artery.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Clonidine; Dinoprostone; Humans; In Vitro Techniques; Isometric Contraction; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Receptors, Adrenergic; Serotonin; Thoracic Arteries; Yohimbine | 1991 |
An alpha-1-adrenergic receptor subtype is responsible for delayed afterdepolarizations and triggered activity during simulated ischemia and reperfusion of isolated canine Purkinje fibers.
Topics: Adrenergic alpha-Antagonists; Animals; Arrhythmias, Cardiac; Clonidine; Dioxanes; Dogs; Myocardial Reperfusion Injury; Phenylephrine; Purkinje Fibers; Receptors, Adrenergic, alpha | 1991 |
Evidence for a complex interaction between the subtypes of the alpha 1-adrenoceptor.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Binding, Competitive; Clonidine; Dioxanes; In Vitro Techniques; Kinetics; Male; Methoxamine; Muscle, Smooth, Vascular; Phenoxybenzamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1991 |
Reduction of cardiac outward currents by alpha-1 adrenoceptor stimulation: a subtype-specific effect?
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dihydropyridines; Electrophysiology; Heart; Membrane Potentials; Myocardium; Phenylephrine; Piperazines; Propranolol; Rats; Receptors, Adrenergic, alpha; Stimulation, Chemical | 1991 |
Potent inhibitory action of chlorethylclonidine on the positive inotropic effect and phosphoinositide hydrolysis mediated via myocardial alpha 1-adrenoceptors in the rabbit ventricular myocardium.
Topics: Adrenergic alpha-Antagonists; Animals; Bupranolol; Clonidine; Drug Interactions; Epinephrine; Heart Ventricles; Inositol Phosphates; Myocardial Contraction; Myocardium; Papillary Muscles; Phenylephrine; Phosphatidylinositols; Prazosin; Rabbits; Receptors, Adrenergic, alpha | 1991 |
Hepatic glutathione suppression by the alpha-adrenoreceptor stimulating agents phenylephrine and clonidine.
Topics: Acetaminophen; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Amino Acid Sequence; Animals; Clonidine; Depression, Chemical; Dose-Response Relationship, Drug; Female; Glutathione; Injections, Intraventricular; Liver; Male; Mice; Mice, Inbred ICR; Molecular Sequence Data; Phenylephrine | 1991 |
Effects of selective adrenergic agonists and antagonists on gastric tone in the rat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Albuterol; Animals; Clonidine; Dose-Response Relationship, Drug; Phenylephrine; Prazosin; Prenalterol; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Stomach; Yohimbine | 1991 |
GYKI-12743 a new postsynaptic vascular alpha-adrenoceptor antagonist.
Topics: Adrenergic alpha-Antagonists; Animals; Azepines; Blood Pressure; Clonidine; Decerebrate State; Dioxanes; Electric Stimulation; Heart Rate; Idazoxan; Phentolamine; Phenylephrine; Pyridazines; Rats; Rats, Inbred Strains; Yohimbine | 1991 |
Effects of alpha-noradrenergic substances on the optokinetic and vestibulo-ocular responses in the rabbit: a study with systemic and intrafloccular injections.
Topics: Adaptation, Physiological; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cerebellum; Clonidine; Dioxanes; Eye Movements; Female; Idazoxan; Injections, Intravenous; Male; Microinjections; Phenylephrine; Prazosin; Rabbits; Reflex, Vestibulo-Ocular | 1991 |
Contractile and relaxant effects of alpha-adrenergic agonists on rat aorta.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; Endothelium, Vascular; In Vitro Techniques; Methylene Blue; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Oxymetazoline; Phenylephrine; Rats | 1991 |
Alpha 1A-adrenoceptors in rabbit bronchus.
Topics: Adrenergic alpha-Antagonists; Animals; Bronchi; Clonidine; Dioxanes; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Piperazines; Rabbits; Receptors, Adrenergic, alpha | 1991 |
Effects of drugs influencing the noradrenergic neurotransmission on nonepileptic myoclonus of Papio papio baboon.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Idazoxan; Myoclonus; Norepinephrine; Papio; Phenylephrine; Propranolol; Synaptic Transmission | 1991 |
Endotoxin-induced impairment of vascular smooth muscle contractions elicited by different mechanisms.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Caffeine; Calcimycin; Calcium; Clonidine; Endothelium, Vascular; Endotoxins; In Vitro Techniques; Inositol 1,4,5-Trisphosphate; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nitrendipine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred Strains; Sarcoplasmic Reticulum | 1990 |
Potentiating effect of daunorubicin on vasocontractile responses to KCl and BAY K 8644 in rat aorta.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; Animals; Aorta, Thoracic; Clonidine; Daunorubicin; Drug Synergism; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred Strains | 1990 |
Participation of endothelium-derived relaxing factor and role of cyclic GMP in inhibitory effects of endothelium on contractile responses elicited by alpha-adrenoceptor agonists in rat aorta.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Arginine; Azepines; Clonidine; Cyclic GMP; Endothelium, Vascular; Female; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; NG-Nitroarginine Methyl Ester; Nitric Oxide; Phenylephrine; Rats; Rats, Inbred Strains | 1991 |
Noradrenergic receptor mechanisms in neophobia.
Topics: Adenylyl Cyclases; Animals; Anxiety; Behavior, Animal; Clonidine; Colforsin; Dopamine beta-Hydroxylase; Environment; Isoproterenol; Male; Norepinephrine; Oxidopamine; Phenylephrine; Prosencephalon; Rats; Rats, Inbred Strains; Receptors, Adrenergic | 1992 |
Does magnesium sulfate alter the maternal cardiovascular response to vasopressor agents in gravid ewes?
Topics: Angiotensin II; Animals; Arginine Vasopressin; Clonidine; Dose-Response Relationship, Drug; Female; Hydrogen-Ion Concentration; Magnesium Sulfate; Phenylephrine; Pregnancy; Regional Blood Flow; Sheep; Uterus; Vascular Resistance | 1991 |
Clonidine differentially modulates the release of endogenous GABA in various rat brain areas.
Topics: Animals; Brain Chemistry; Cerebellum; Cerebral Cortex; Clonidine; gamma-Aminobutyric Acid; Hippocampus; Imidazoles; In Vitro Techniques; Male; Medulla Oblongata; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Synaptosomes; Yohimbine | 1991 |
Suppression of feeding induced by phenylephrine microinjections within the paraventricular hypothalamus in rats.
Topics: Analysis of Variance; Animals; Clonidine; Eating; Male; Microinjections; Paraventricular Hypothalamic Nucleus; Phenylephrine; Rats; Rats, Inbred Strains; Specific Pathogen-Free Organisms | 1991 |
Regulation of venous alpha-adrenergic responses in older humans.
Topics: Aged; Antihypertensive Agents; Blood Pressure; Clonidine; Female; Guanidines; Heart Rate; Humans; Infusions, Intravenous; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Reference Values; Vasoconstriction; Veins | 1991 |
Role of H+ and alpha 2-receptors in escape from sympathetic vasoconstriction.
Topics: Acidosis; Analysis of Variance; Animals; Blood Pressure; Clonidine; Dogs; Electric Stimulation; Female; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Male; Mesenteric Arteries; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Receptors, Purinergic; Sympathetic Nervous System; Time Factors; Vasoconstriction | 1991 |
Effects of dilevalol on adrenoceptors in isolated cat arteries.
Topics: Animals; Arteries; Cats; Clonidine; Dinoprost; Electric Stimulation; Female; In Vitro Techniques; Labetalol; Male; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Vasoconstriction; Yohimbine | 1990 |
Effects of neurotropic agents with a selectivity for alpha-adrenoceptors on nitrile-induced dyskinetic syndrome in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dyskinesia, Drug-Induced; Male; Mice; Nitriles; Phenylephrine; Prazosin; Yohimbine | 1990 |
Naloxone potentiates contractile responses to epinephrine in isolated canine arteries.
Topics: Animals; Clonidine; Corticosterone; Dogs; Dose-Response Relationship, Drug; Drug Synergism; Dynorphins; Epinephrine; Muscle Contraction; Muscle, Smooth, Vascular; Naloxone; Norepinephrine; Peptide Fragments; Phenylephrine; Receptors, Opioid; Renal Artery | 1990 |
Alpha-2 adrenergic inhibition of Ca(++)-evoked [3H]norepinephrine release from synaptosomes is blocked by depolarization.
Topics: Animals; Calcium; Calcium Channel Blockers; Cells, Cultured; Chromatography, High Pressure Liquid; Clonidine; Dopamine Agents; Drug Interactions; Ergolines; Hippocampus; Norepinephrine; Phenylephrine; Potassium; Quinpirole; Rats; Sympathomimetics; Synaptosomes | 1990 |
Pharmacological characterization of the postjunctional alpha-adrenoceptors of the rat isolated seminal vesicle.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Male; Naphazoline; Norepinephrine; Oxymetazoline; Phenoxybenzamine; Phentolamine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Seminal Vesicles; Yohimbine | 1990 |
Adrenoceptor-activation of oxygen consumption in rat parotid acini.
Topics: Adenylate Cyclase Toxin; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Animals; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Isoproterenol; Male; Microbial Collagenase; Oxygen Consumption; Parotid Gland; Pertussis Toxin; Phenylephrine; Rats; Receptors, Adrenergic; Virulence Factors, Bordetella; Yohimbine | 1990 |
Alpha 2-adrenoceptor mechanisms in guinea-pig trachea.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Guinea Pigs; In Vitro Techniques; Iodine Radioisotopes; Male; Microsomes; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenethylamines; Phenylephrine; Prostaglandins; Receptors, Adrenergic, alpha; Tetralones; Trachea | 1990 |
Inhibitory effects of catecholamines in the paravertebral sympathetic ganglia of the anesthetized dog.
Topics: Adrenergic alpha-Agonists; Anesthesia; Animals; Blood Pressure; Catecholamines; Clonidine; Dogs; Ganglia, Sympathetic; Hexamethonium Compounds; Male; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Regional Blood Flow; Vascular Resistance; Yohimbine | 1990 |
Effects of alpha-adrenergic agents on generation of oscillatory afterpotentials and triggered activity in rabbit Purkinje fibers.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Male; Membrane Potentials; Phenylephrine; Potassium; Prazosin; Propranolol; Purkinje Fibers; Rabbits; Receptors, Adrenergic, alpha; Strophanthidin; Yohimbine | 1990 |
Bethanechol induced contraction in mouse spleen.
Topics: Animals; Bethanechol; Bethanechol Compounds; Clonidine; In Vitro Techniques; Mice; Muscle Contraction; Muscle, Smooth; Osmolar Concentration; Parasympathomimetics; Phenylephrine; Spleen | 1990 |
Influence of the endothelium on vascular responses of aortae from endotoxic rats.
Topics: Acetylcholine; Animals; Aorta; Clonidine; Cyclic GMP; Endothelium, Vascular; Endotoxins; Injections, Intraperitoneal; Male; Muscle, Smooth, Vascular; Nitric Oxide; Nitroprusside; Phenylephrine; Rats; Rats, Inbred Strains | 1990 |
Effect of temperature on alpha 2- and alpha 1-adrenoceptor-mediated responses in the pithed rat and in the rat vena cava.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Cold Temperature; Dose-Response Relationship, Drug; Imidazoles; Male; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Temperature; Tritium; Tyramine; Vena Cava, Inferior | 1990 |
Isolated bovine cerebral arteries from rostral and caudal regions: distinct responses to adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Basilar Artery; Carotid Arteries; Cattle; Cerebral Arteries; Clonidine; In Vitro Techniques; Isometric Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Yohimbine | 1990 |
Decrease of N-methyl-D-aspartate responses by noradrenaline in the rat motorcortex in vivo.
Topics: Animals; Clonidine; Electroencephalography; Epilepsy; Evoked Potentials; Isoproterenol; Motor Cortex; N-Methylaspartate; Neural Pathways; Norepinephrine; Phenylephrine; Rats | 1991 |
Palpebral fissure responses to topical adrenergic drugs.
Topics: Administration, Topical; Amphetamine; Clonidine; Cocaine; Eyelids; Humans; Phenylephrine; Sympathomimetics; Time Factors | 1991 |
The role of alpha 1-adrenoceptor subtypes in the regulation of arterial blood pressure.
Topics: Anesthesia; Animals; Aorta, Thoracic; Binding Sites; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Heart Rate; In Vitro Techniques; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1990 |
Role of alpha adrenoceptors in opossum internal anal sphincter.
Topics: Anal Canal; Animals; Clonidine; Muscle Contraction; Naphazoline; Opossums; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1990 |
Interactions between cyclic AMP and inositol phosphate transduction systems in astrocytes in primary culture.
Topics: Adenylyl Cyclases; Animals; Animals, Newborn; Astrocytes; Cells, Cultured; Clonidine; Cyclic AMP; Inositol Phosphates; Isoproterenol; Ketanserin; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Serotonin; Signal Transduction | 1990 |
Protein phosphorylation in isolated human adipocytes-adrenergic control of the phosphorylation of hormone-sensitive lipase.
Topics: Adipose Tissue; Autoradiography; Cells, Cultured; Clonidine; Electrophoresis, Polyacrylamide Gel; Epinephrine; Humans; Insulin; Isoproterenol; Lipolysis; Phenylephrine; Phosphates; Phosphorus Radioisotopes; Phosphorylation; Proteins; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sterol Esterase | 1990 |
Alpha-adrenergic regulation of secretion by tracheal glands.
Topics: Animals; Cats; Clonidine; Dihydroergotoxine; Epinephrine; Female; Glycoconjugates; Isoproterenol; Kinetics; Male; Organ Culture Techniques; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Trachea; Yohimbine | 1990 |
Intrahypothalamic injections of norepinephrine facilitate feline affective aggression via alpha 2-adrenoceptors.
Topics: Affect; Aggression; Animals; Cats; Clonidine; Electric Stimulation; Female; Hypothalamus; Hypothalamus, Anterior; Male; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Terbutaline; Ventromedial Hypothalamic Nucleus; Vocalization, Animal; Yohimbine | 1990 |
Apraclonidine effects on ocular responses to YAG laser irradiation to the rabbit iris.
Topics: Animals; Aqueous Humor; Clonidine; Dinoprostone; Dose-Response Relationship, Radiation; Eye; Eye Proteins; Female; Intraocular Pressure; Iris; Lasers; Male; Osmolar Concentration; Phenylephrine; Rabbits; Reference Values | 1990 |
Clonidine and phenylephrine injected into the lateral hypothalamus inhibits water intake in rats.
Topics: Angiotensin II; Animals; Clonidine; Dehydration; Drinking; Eating; Hypothalamic Area, Lateral; In Vitro Techniques; Injections; Injections, Intraventricular; Male; Phenylephrine; Prazosin; Rats; Yohimbine | 1990 |
The involvement of central noradrenergic systems and corticotropin-releasing factor in defensive-withdrawal behavior in rats.
Topics: Animals; Behavior, Animal; Cerebrospinal Fluid; Chlordiazepoxide; Clonidine; Corticotropin-Releasing Hormone; Humans; Injections, Intraperitoneal; Injections, Intravenous; Male; Neurons; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Recombinant Proteins | 1990 |
Actions of vasoactive drugs on human placental vascular smooth muscle.
Topics: Arteries; Clonidine; Diphenhydramine; Dopamine; Female; Histamine; Humans; In Vitro Techniques; Muscle Tonus; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Placenta; Pregnancy; Regional Blood Flow; Serotonin; Veins | 1990 |
Noradrenergic modulation of the masseteric reflex in behaving cats. I. Pharmacological studies.
Topics: Animals; Behavior, Animal; Cats; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Injections; Masseter Muscle; Masticatory Muscles; Methysergide; Norepinephrine; Phenylephrine; Prazosin; Reflex; Time Factors; Trigeminal Nuclei | 1990 |
DSP-4-induced depletion of brain norepinephrine produces opposite effects on exploratory behavior 3 and 14 days after treatment.
Topics: Animals; Benzylamines; Brain Chemistry; Cerebral Cortex; Clonidine; Dioxanes; Exploratory Behavior; Hippocampus; Idazoxan; Male; Methoxyhydroxyphenylglycol; Mice; Norepinephrine; Phenylephrine; Prazosin; Restraint, Physical; Sympathomimetics | 1990 |
Effects of systemic and intracerebroventricular phenylephrine and clonidine on corticosterone secretion in rats.
Topics: Animals; Clonidine; Corticosterone; Injections, Intraperitoneal; Injections, Intraventricular; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
Antinociceptive interactions between intrathecally administered alpha noradrenergic agonists and 5'-N-ethylcarboxamide adenosine.
Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Analgesia; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Drug Interactions; Hot Temperature; Injections, Spinal; Male; Norepinephrine; Pain; Phenylephrine; Rats; Rats, Inbred Strains; Spinal Cord; Vasodilator Agents | 1990 |
Beta-adrenergic stimulation of aldosterone production by rat adrenal capsular explants.
Topics: 1-Methyl-3-isobutylxanthine; Adrenal Medulla; Aldosterone; Animals; Clonidine; Dopamine; Epinephrine; Female; Isoproterenol; Norepinephrine; Phenylephrine; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, beta | 1985 |
Alpha-adrenoceptors and muscarinic receptors in the isolated human prostate.
Topics: Acetylcholine; Aged; Carbachol; Clonidine; Electric Stimulation; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prostate; Prostatic Hyperplasia; Radioligand Assay; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Scopolamine; Yohimbine | 1985 |
Mechanism of the hypotensive effect of a new beta-adrenergic blocking drug, arotinolol (S-596) in anesthetized rabbits.
Topics: Adrenergic beta-Antagonists; Anesthesia; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Heart Rate; Isoproterenol; Kidney; Male; Phenylephrine; Prazosin; Propanolamines; Propranolol; Rabbits | 1985 |
Alpha-blockade and vasodilatation induced by nipradilol, arotinolol and labetalol in pithed rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Clonidine; Decerebrate State; Labetalol; Male; Phenylephrine; Prazosin; Propanolamines; Rats; Rats, Inbred Strains; Vasodilation; Yohimbine | 1985 |
Pharmacological characterization of the receptor mediating the adrenergic inhibition of responses to substance P in the cingulate cortex.
Topics: Albuterol; Animals; Clonidine; Dopamine; Epinephrine; Gyrus Cinguli; Male; Norepinephrine; Phentolamine; Phenylephrine; Practolol; Prazosin; Rats; Receptors, Adrenergic, beta; Substance P | 1986 |
Alpha-adrenergic and serotonergic mechanisms in the human digit.
Topics: Adult; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Fingers; Humans; Ketanserin; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Serotonin; Reflex; Regional Blood Flow; Serotonin; Sympathetic Nervous System; Vascular Resistance; Vasoconstriction; Yohimbine | 1988 |
Selective alpha 2-adrenoceptor activation by clonidine: effects on 45Ca2+ efflux and insulin secretion from isolated rat islets.
Topics: 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester; Adrenergic alpha-Agonists; Animals; Calcium; Calcium Channel Blockers; Clonidine; Glucose; Insulin; Insulin Secretion; Islets of Langerhans; Male; Phenylephrine; Rats; Rats, Inbred Strains | 1988 |
Increased alpha-adrenergic responsiveness in idiopathic Raynaud's disease.
Topics: Adult; Aged; Blood Flow Velocity; Blood Pressure; Clonidine; Cold Temperature; Female; Fingers; Hot Temperature; Humans; Infusions, Intra-Arterial; Isoproterenol; Male; Middle Aged; Phenylephrine; Raynaud Disease; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Tyramine | 1989 |
Subacute noradrenergic agonist infusions in vivo increase Na+, K+-ATPase and ouabain binding in rat cerebral cortex.
Topics: Animals; Brain; Cerebral Cortex; Clonidine; Colforsin; Hydroxydopamines; Isoproterenol; Male; Norepinephrine; Ouabain; Oxidopamine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sodium-Potassium-Exchanging ATPase | 1989 |
Postjunctional alpha-1 and alpha-2 adrenoceptors in human skin arteries. An in vitro study.
Topics: Adult; Aged; Arteries; Clonidine; Dose-Response Relationship, Drug; Humans; In Vitro Techniques; Middle Aged; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Skin; Vasoconstriction | 1989 |
Glycogen phosphorylase activation by two different alpha 1-adrenergic receptor subtypes: methoxamine selectively stimulates a putative alpha 1-adrenergic receptor subtype (alpha 1a) that couples with Ca2+ influx.
Topics: Animals; Calcium; Clonidine; Enzyme Activation; Epinephrine; In Vitro Techniques; Inositol Phosphates; Male; Methoxamine; Phenethylamines; Phenylephrine; Phosphorylases; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tetralones | 1989 |
Lack of evidence for alpha-adrenergic receptor-mediated mechanisms in the genesis of ischemia in syndrome X.
Topics: Adult; Angina Pectoris; Clonidine; Coronary Angiography; Coronary Disease; Electrocardiography; Exercise Test; Female; Humans; Male; Middle Aged; Monitoring, Physiologic; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Syndrome | 1989 |
Replication of ciliary vasomotor effects with controlled intravascular corrosion casting.
Topics: Animals; Aqueous Humor; Arterioles; Ciliary Body; Clonidine; Moxisylyte; Phenylephrine; Rabbits; Timolol; Vasomotor System | 1989 |
Effects of specific alpha-adrenoceptive agents on extraneuronal uptake (uptake2) of isoproterenol in perfused rat heart.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Guanabenz; Isoproterenol; Male; Methoxamine; Myocardium; Neurons; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Sulfonamides; Tropolone | 1989 |
Endothelium modulates the effects of alpha-adrenoceptor agonists in vascular smooth muscle.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Arteries; Clonidine; Endothelium, Vascular; Female; Guanfacine; Guanidines; In Vitro Techniques; Male; Muscle Relaxation; Muscle, Smooth, Vascular; Phenylacetates; Phenylephrine; Pulmonary Artery; Rabbits | 1989 |
Yohimbine's anxiogenic action: evidence for noradrenergic and dopaminergic sites.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Adrenergic alpha-Agonists; Animals; Anxiety; Apomorphine; Azepines; Benzazepines; Clonidine; Dopamine Agents; Ergolines; Guanfacine; Guanidines; Learning; Male; Norepinephrine; Phenylacetates; Phenylephrine; Quinpirole; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Dopamine; Yohimbine | 1989 |
Alpha 1-adrenoceptor antagonist activity of novel pyrimidine derivatives (SHI437 and IK29) in rabbit aorta and trigone of the bladder.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Clonidine; Dinoprost; Electric Stimulation; Histamine; In Vitro Techniques; Male; Muscle, Smooth; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Piperazines; Potassium Chloride; Pyrimidines; Rabbits; Serotonin; Urinary Bladder; Vas Deferens | 1989 |
Comparative effects of the alpha-adrenoceptor agonists noradrenaline, phenylephrine and clonidine in the human saphenous vein in vivo and in vitro.
Topics: Adrenergic alpha-Agonists; Adult; Aged; Clonidine; Female; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Saphenous Vein | 1989 |
Alpha 1-adrenoreceptor-mediated increase in acetylcholine release in brain slices during morphine tolerance.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Animals; Cerebral Cortex; Choline; Clonidine; Drug Tolerance; Female; Guinea Pigs; In Vitro Techniques; Kinetics; Male; Morphine; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Synaptosomes | 1989 |
The inhibition of alpha 1-adrenoceptor-mediated contractions of rabbit pulmonary artery by Ca2+-withdrawal, pertussis toxin and N-ethylmaleimide is dependent on agonist intrinsic efficacy.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Calcium; Calcium Channel Blockers; Clonidine; Ethylmaleimide; Female; Gallic Acid; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Pertussis Toxin; Phenylephrine; Pulmonary Artery; Rabbits; Receptors, Adrenergic, alpha; Virulence Factors, Bordetella | 1989 |
Alpha-agonist modifies baroreflex vasoconstriction by a postjunctional mechanism in dogs.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Dogs; Female; Hemorrhage; Hindlimb; Male; Neuromuscular Junction; Phenylephrine; Pressoreceptors; Reflex; Regional Blood Flow; Vasoconstriction | 1989 |
Effects of St-587 on the alpha-adrenoceptors in the bisected rat vas deferens.
Topics: Animals; Clonidine; Electric Stimulation; Epididymis; In Vitro Techniques; Male; Muscle, Smooth; Phenylephrine; Prazosin; Prostate; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1989 |
Comparative effects of verapamil and D-600 on the contractile responses produced by neurotransmitters and depolarizing agents in the rat isolated seminal vesicle.
Topics: Acetylcholine; Animals; Carbachol; Clonidine; Gallopamil; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Neuromuscular Depolarizing Agents; Neurotransmitter Agents; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred Strains; Seminal Vesicles; Verapamil | 1989 |
Stimulation of alpha 1-adrenoceptors increases electrically evoked [3H]acetylcholine release from the rat phrenic nerve.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Animals; Clonidine; Electric Stimulation; Female; In Vitro Techniques; Male; Oxymetazoline; Phenylephrine; Phrenic Nerve; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1989 |
Peripheral presynaptic and central effects of clonidine, yohimbine and rauwolscine on the sympathetic nervous system in rabbits.
Topics: Animals; Blood Pressure; Brain; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Female; Heart Rate; Male; Nitroprusside; Norepinephrine; Peripheral Nerves; Phenylephrine; Pressoreceptors; Rabbits; Sympathetic Nervous System; Synapses; Yohimbine | 1989 |
Modulatory effects of adrenergic agonists on testosterone secretion from rat dispersed testicular cells or Percoll-purified Leydig cells.
Topics: Animals; Cells, Cultured; Clonidine; Epinephrine; In Vitro Techniques; Leydig Cells; Male; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Testosterone | 1989 |
Serotonin release mechanisms in bovine pineal gland: stimulation by norepinephrine and dopamine.
Topics: Animals; Benzazepines; Calcium; Cattle; Clonidine; Dopamine; Dopamine Antagonists; Haloperidol; Isoproterenol; Kinetics; Norepinephrine; Phentolamine; Phenylephrine; Pineal Gland; Prazosin; Propranolol; Serotonin; Sulpiride | 1989 |
[Influence of age and sex on the reaction of isolated rat bladder to autonomic agents].
Topics: Acetylcholine; Age Factors; Animals; Autonomic Agents; Clonidine; Female; In Vitro Techniques; Isoproterenol; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Sex Factors; Urinary Bladder | 1989 |
Luminal adrenergic agents modulate intestinal transport.
Topics: Animals; Chlorides; Clonidine; Dogs; Female; Intestinal Absorption; Isoproterenol; Norepinephrine; Phenylephrine; Sodium; Sympathomimetics; Time Factors; Water | 1989 |
Interaction between clonidine and physostigmine in normal rats and in rats after sinoaortic denervation.
Topics: Animals; Blood Pressure; Clonidine; Denervation; Dimethylphenylpiperazinium Iodide; Dose-Response Relationship, Drug; Drug Interactions; Heart Rate; Injections, Intravenous; Male; Phenylephrine; Physostigmine; Rats; Rats, Inbred Strains; Reflex; Sinoatrial Node | 1989 |
Restraint-stress-induced changes in exploratory behavior appear to be mediated by norepinephrine-stimulated release of CRF.
Topics: Animals; Benzylamines; Biogenic Amines; Brain; Clonidine; Corticosterone; Corticotropin-Releasing Hormone; Exploratory Behavior; Male; Mice; Mice, Inbred Strains; Neurotoxins; Norepinephrine; Phenylephrine; Prazosin; Restraint, Physical; Stress, Physiological | 1989 |
Characterization of alpha-adrenoceptor subtypes involved in regulation of ureteral fluid transport.
Topics: Animals; Clonidine; Dogs; Female; Male; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Ureter; Yohimbine | 1987 |
Effects of calcium antagonists on alpha-adrenoceptor mediated vasoconstrictions of the canine intermediate auricular artery.
Topics: Animals; Arteries; Clonidine; Diltiazem; Dogs; Female; In Vitro Techniques; Male; Norepinephrine; Phenylephrine; Potassium Chloride; Receptors, Adrenergic, alpha; Skin; Vasoconstriction; Verapamil | 1987 |
Characterisation of the alpha-adrenoceptors of the rat renal vascular bed.
Topics: Animals; Azepines; Clonidine; Dopamine; In Vitro Techniques; Kidney; Male; Nordefrin; Perfusion; Phenylephrine; Prazosin; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1987 |
The effect of hyperthyroidism and hypothyroidism on alpha 1- and alpha 2-adrenergic responsiveness in rat aortic smooth muscle.
Topics: Animals; Aorta; Clonidine; Hyperthyroidism; Hypothyroidism; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thyroid Hormones; Thyroxine; Yohimbine | 1987 |
Evaluation of isomers of octopamine for in vitro alpha-adrenergic stimulation of the aortic smooth muscle from spontaneously hypertensive rats.
Topics: Animals; Aorta, Thoracic; Clonidine; Isomerism; Kinetics; Muscle, Smooth, Vascular; Norepinephrine; Octopamine; Phenylephrine; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Yohimbine | 1987 |
Alpha-1 adrenergic receptors on rabbit retinal pigment epithelium.
Topics: Animals; Clonidine; Cyclic AMP; Cyclic GMP; Dose-Response Relationship, Drug; Electric Conductivity; Epinephrine; Isoproterenol; Phenylephrine; Pigment Epithelium of Eye; Prazosin; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Sodium pump stimulation by activation of two alpha adrenergic receptor subtypes in canine blood vessels.
Topics: Animals; Clonidine; Dogs; Femoral Artery; In Vitro Techniques; Kinetics; Muscle, Smooth, Vascular; Ouabain; Phenylephrine; Receptors, Adrenergic, alpha; Rubidium; Saphenous Vein; Sodium | 1988 |
Clonidine enhances the release of endogenous gamma-aminobutyric acid through alpha-2 and alpha-1 presynaptic adrenoceptors differentially located in rat cerebral cortex subregions.
Topics: Animals; Cerebral Cortex; Clonidine; gamma-Aminobutyric Acid; Kinetics; Male; Organ Specificity; Phenylephrine; Rats; Receptors, Adrenergic, alpha; Synapses; Synaptosomes | 1988 |
Alpha 2-adrenergic receptors mediate the increase in blood glucose levels induced by epinephrine and brief footshock stress.
Topics: Animals; Blood Glucose; Clonidine; Electroshock; Epinephrine; Isoproterenol; Kinetics; Male; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1988 |
Role of alpha-adrenoceptor subtypes mediating sympathetic vasoconstriction in human digits.
Topics: Adult; Clonidine; Female; Fingers; Humans; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1988 |
Alpha 2-receptors mediate catecholamine-stimulated acid secretion in Amphiuma jejunum.
Topics: Animals; Brimonidine Tartrate; Clonidine; In Vitro Techniques; Jejunum; Methoxamine; Norepinephrine; Phenylephrine; Propranolol; Protons; Quinoxalines; Receptors, Adrenergic, alpha; Stimulation, Chemical; Urodela | 1988 |
Unique presynaptic alpha 2-receptor selectivity and specificity of the antihypertensive agent moxonidine.
Topics: Animals; Antihypertensive Agents; Aorta, Thoracic; Binding, Competitive; Blood Pressure; Cerebral Cortex; Chemical Phenomena; Chemistry; Clonidine; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart Atria; Heart Rate; Imidazoles; Ligands; Male; Norepinephrine; Papillary Muscles; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Venae Cavae; Yohimbine | 1988 |
Enhancement of endogenous GABA release from rat synaptosomal preparations is mediated by alpha 2-adrenoceptors pharmacologically different from alpha 2-autoreceptors.
Topics: Animals; Clonidine; gamma-Aminobutyric Acid; Hippocampus; Male; Mianserin; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Synaptosomes; Yohimbine | 1988 |
Contractant and relaxant properties of the female rabbit urethral submucosa.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Electric Stimulation; Female; In Vitro Techniques; Male; Mucous Membrane; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Nerve Tissue Proteins; Neuropeptide Y; Norepinephrine; Phenylephrine; Rabbits; Scopolamine; Urethra; Vasoactive Intestinal Peptide | 1985 |
alpha-Adrenoceptor agonists and the Ca2+-dependence of smooth muscle contraction: evidence for subtypes of receptors or for agonist-dependent differences in the agonist-receptor interaction?
Topics: Adrenergic alpha-Agonists; Animals; Calcium; Clonidine; Ethanolamines; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Nifedipine; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Xylazine | 1985 |
Enhancement of alpha-1 and alpha-2 adrenergic agonist-induced vasoconstriction by removal of endothelium in rat aorta.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Azepines; Calcium Chloride; Clonidine; Endothelium; In Vitro Techniques; Male; Methoxamine; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Yohimbine | 1985 |
An electrophysiological study of alpha-adrenoceptor mediated excitation-contraction coupling in the smooth muscle cells of the rat saphenous vein.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Clonidine; Electrophysiology; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Neuromuscular Junction; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Saphenous Vein; Synaptic Transmission | 1985 |
Studies on YM-12617: a selective and potent antagonist of postsynaptic alpha 1-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta; Blood Pressure; Brain; Brimonidine Tartrate; Clonidine; Dioxanes; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Phenylephrine; Pulmonary Artery; Quinoxalines; Rabbits; Rats; Receptors, Adrenergic, alpha; Sulfonamides; Tritium; Vas Deferens | 1985 |
Recovery of alpha-adrenoreceptor mediated responses and binding site number after intravenous benextramine in the rabbit.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Blood Pressure; Brain; Clonidine; Cystamine; Injections, Intravenous; Male; Membranes; Phenoxybenzamine; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Spleen; Time Factors | 1985 |
Affinities of adrenergic drugs for alpha 2-adrenoceptors in dog saphenous vein in comparison with those in rat brain or human platelets.
Topics: Adrenergic alpha-Agonists; Animals; Blood Platelets; Brain; Clonidine; Dogs; Epinephrine; Guanabenz; Humans; Naphazoline; Norepinephrine; Phentolamine; Phenylephrine; Propranolol; Rats; Receptors, Adrenergic, alpha; Saphenous Vein; Tolazoline; Tritium; Yohimbine | 1985 |
Chronic salt loading and central adrenergic mechanisms in the spontaneously hypertensive rat.
Topics: Animals; Blood Pressure; Central Nervous System; Clonidine; Dopamine; Heart Rate; Hexamethonium; Hexamethonium Compounds; Hypertension; Isoproterenol; Methyltyrosines; Norepinephrine; Phenylephrine; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha; Reflex; Sodium; Sodium Chloride; Stress, Physiological | 1985 |
Hydrostatic pressure and adrenergic drugs (agonists and antagonists): effects and interactions in fish.
Topics: Animals; Clonidine; Eels; Heart Rate; Hydrostatic Pressure; Isoproterenol; Phentolamine; Phenylephrine; Propranolol; Seasons; Sympatholytics; Sympathomimetics | 1985 |
An analysis of the alpha-adrenoceptor modulation of vasomotor tone at the level of lateral medullary pressor area (LMPA).
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Cats; Clonidine; Female; Guanethidine; Heart Rate; Hypothalamic Area, Lateral; Male; Microinjections; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Procaine; Receptors, Adrenergic, alpha | 1985 |
Adrenergic control of lipolysis in adipocytes of several mammalian species.
Topics: Adipose Tissue; Animals; Cats; Clonidine; Cricetinae; Epinephrine; Gerbillinae; Isoproterenol; Lipolysis; Male; Mesocricetus; Mice; Mice, Inbred ICR; Phentolamine; Phenylephrine; Propranolol; Species Specificity; Theophylline | 1985 |
Effects of alpha-adrenoceptor agonists and antagonists on insulin secreting cells and pancreatic blood vessels: comparative study.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Clonidine; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Pancreas; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vasoconstriction; Yohimbine | 1985 |
Physiological antagonism caused by adrenergic stimulation of canine tracheal muscle.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Clonidine; Dogs; Female; Male; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Norepinephrine; Phenylephrine; Stimulation, Chemical; Sympathetic Nervous System; Trachea | 1986 |
Role of dopamine and alpha-adrenoreceptors in the control of gastric emptying in the rat: possible involvement in the mechanism of action of metoclopramide.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Gastric Emptying; Male; Metoclopramide; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Dopamine; Tetrahydronaphthalenes | 1985 |
Regional distribution of alpha-adrenoceptor subtypes in the female rabbit urethra.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Female; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Rabbits; Radioligand Assay; Receptors, Adrenergic, alpha; Urethra; Urinary Bladder | 1986 |
Release of [3H]noradrenaline by alpha 1-adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Cocaine; In Vitro Techniques; Male; Mice; Norepinephrine; Phenylephrine; Temperature; Vas Deferens | 1986 |
Blockade of postsynaptic alpha 2-adrenoceptors enhances responses to mixed alpha 1/alpha 2-agonists in rat submaxillary gland.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Female; Idazoxan; Isoproterenol; Nordefrin; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Saliva; Submandibular Gland | 1986 |
Effect of diltiazem upon contractile responses to phenylephrine, cirazoline, Sgd 101/75, St 587 and B-HT 920 in rabbit aorta and dog saphenous vein preparations.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Azepines; Benzazepines; Clonidine; Diltiazem; Dogs; Drug Interactions; Female; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Rabbits; Saphenous Vein | 1986 |
Role of efficacy in the assessment of the actions of alpha-adrenoceptor agonists in rat aorta with endothelium.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; Endothelium; Female; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Rats; Rats, Inbred Strains | 1986 |
Protein secretion in lacrimal gland: alpha 1-beta-adrenergic synergism.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Epinephrine; Imidazoles; Isoproterenol; Kinetics; Lacrimal Apparatus; Male; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Proteins; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1986 |
Presynaptic alpha-adrenoceptor mediated inhibition of the neurogenic cholinergic contraction in the isolated intestinal bulb of the carp (Cyprinus carpio).
Topics: Animals; Atropine; Carps; Catecholamines; Clonidine; Cyprinidae; Electric Stimulation; Epinephrine; Female; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Nicotine; Norepinephrine; Parasympathetic Nervous System; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Tetrodotoxin; Yohimbine | 1986 |
Secretion of catecholamines from the perfused adrenal gland of the rat is not regulated by alpha-adrenoceptors.
Topics: Adrenal Glands; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Catecholamines; Clonidine; Electric Stimulation; In Vitro Techniques; Male; Nicotine; Perfusion; Phentolamine; Phenylephrine; Rats; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Ca++ utilization in the constriction of rat aorta to full and partial alpha-1 adrenoceptor agonists.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Calcium; Clonidine; Dose-Response Relationship, Drug; Ethanolamines; Imidazoles; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Potassium; Rats; Rats, Inbred Strains; Tetrahydronaphthalenes | 1986 |
Mechanisms of alpha-adrenoceptor mediated contractions of rat mesenteric artery.
Topics: Adrenergic alpha-Agonists; Animals; Azepines; Clonidine; In Vitro Techniques; Kinetics; Male; Mesenteric Arteries; Muscle, Smooth, Vascular; Nifedipine; Nitrendipine; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoconstriction; Verapamil | 1986 |
Noradrenaline modulates the release of [14C]glutamate from dentate but not from CA1/CA3 slices of rat hippocampus.
Topics: Animals; Calcium; Clonidine; Glutamates; Glutamic Acid; Hippocampus; In Vitro Techniques; Isoproterenol; Male; Norepinephrine; Phenylephrine; Potassium; Propranolol; Pyramidal Tracts; Rats; Rats, Inbred Strains; Yohimbine | 1986 |
Beta-adrenergic agonists increase amplitude of LH release in orchidectomized rats.
Topics: Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Clonidine; Epinephrine; Ethanolamines; Gonadotropin-Releasing Hormone; Luteinizing Hormone; Male; Orchiectomy; Periodicity; Phenylephrine; Propanolamines; Rats; Rats, Inbred Strains | 1986 |
Pharmacological characterization of the postsynaptic alpha-adrenoceptors in human uterine artery.
Topics: Arteries; Clonidine; Drug Interactions; Female; Humans; Kinetics; Naphazoline; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Uterus; Vasoconstriction; Yohimbine | 1986 |
Adrenoceptor blocking properties of atropine-like agents anisodamine and anisodine on brain and cardiovascular tissues of rats.
Topics: Adrenergic beta-Antagonists; Animals; Atropine; Brain; Cardiovascular System; Clonidine; Dioxanes; Male; Muscle, Smooth, Vascular; Myocardial Contraction; Phenylephrine; Rats; Rats, Inbred Strains; Scopolamine Derivatives; Solanaceous Alkaloids; Vasodilator Agents | 1986 |
Inhibitory effect of norepinephrine on immunoreactive corticotropin-releasing factor release from the rat hypothalamus in vitro.
Topics: Adrenergic Agonists; Animals; Clonidine; Corticotropin-Releasing Hormone; Dopamine; Hypothalamus; In Vitro Techniques; Isoproterenol; Male; Norepinephrine; Phentolamine; Phenylephrine; Propranolol; Radioimmunoassay; Rats; Rats, Inbred Strains | 1987 |
Effects of alpha 1- and alpha 2-adrenoceptor stimulation and blockade on plasma insulin levels in the mouse.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carbachol; Clonidine; Female; Glucose; Insulin; Insulin Secretion; Mice; Phenylephrine; Prazosin; Radioimmunoassay; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Inhibition of presynaptic alpha-2-adrenoceptor and opioid receptor agonist responses in the rat vas deferens by chronic imipramine treatment.
Topics: Adrenergic alpha-Antagonists; Animals; Carbachol; Clonidine; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Imipramine; In Vitro Techniques; Male; Muscle, Smooth; Norepinephrine; Parasympathomimetics; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Opioid; Serotonin; Vas Deferens | 1987 |
Synergistic action of postsynaptic alpha-adrenergic receptor stimulation on vasoactive intestinal polypeptide-induced increases in pineal N-acetyltransferase activity.
Topics: Acetyltransferases; Adrenergic alpha-Agonists; Animals; Arylamine N-Acetyltransferase; Atenolol; Clonidine; Cyclic AMP; Dose-Response Relationship, Drug; Drug Synergism; Male; Methoxamine; Phenoxybenzamine; Phentolamine; Phenylephrine; Pineal Gland; Prazosin; Propranolol; Rats; Rats, Inbred F344; Receptors, Adrenergic, alpha; Vasoactive Intestinal Peptide; Yohimbine | 1987 |
Possible role of alpha-2-noradrenergic receptors in modulation of sexual behavior in female guinea pigs.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Estradiol; Female; Guinea Pigs; Idazoxan; Methoxamine; Ovariectomy; Phenylephrine; Posture; Progesterone; Receptors, Adrenergic, alpha; Sexual Behavior, Animal; Yohimbine | 1987 |
Alpha-adrenergic receptor regulation of Ca2+/Mg2+-ATPase in brain synaptic membranes.
Topics: Animals; Ca(2+) Mg(2+)-ATPase; Calcium; Calcium-Transporting ATPases; Cerebral Cortex; Clonidine; Kinetics; Neurotransmitter Agents; Phenylephrine; Rats; Receptors, Adrenergic, alpha; Synaptosomes; Yohimbine | 1987 |
Alpha 1- and alpha 2-adrenoceptor activation increases plasma glucagon levels in the mouse.
Topics: Adrenergic alpha-Agonists; Animals; Blood Glucose; Carbachol; Cholecystokinin; Clonidine; Female; Glucagon; Insulin; Mice; Phenylephrine; Terbutaline | 1987 |
Chronic prazosin attenuates the natriuretic response to a modest saline load in anaesthetized rats.
Topics: Adrenergic alpha-Antagonists; Anesthesia; Animals; Blood Pressure; Clonidine; Kidney; Natriuresis; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Sodium Chloride | 1988 |
Blocking action of berberine on alpha 2- and alpha 1-adrenoceptors in rat vas deferens and anococcygeus muscle.
Topics: Adrenergic alpha-Antagonists; Anal Canal; Animals; Berberine; Berberine Alkaloids; Clonidine; Dose-Response Relationship, Drug; Male; Muscle, Smooth; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Vas Deferens; Yohimbine | 1987 |
Discrimination between alpha 1- and alpha 2-adrenergic receptors in the isolated perfused ileum.
Topics: Adrenergic alpha-Agonists; Animals; Cimetidine; Clonidine; Ileum; Intestinal Absorption; Norepinephrine; Phenylephrine; Rabbits; Receptors, Adrenergic, alpha; Vascular Resistance | 1988 |
Release of [3H]-noradrenaline from the sympathetic nerves to bovine mesenteric lymphatic vessels and its modification by alpha-agonists and antagonists.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cattle; Clonidine; Cocaine; Electric Stimulation; Feedback; Lymphatic System; Mesentery; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Sympathetic Nervous System; Tetrodotoxin; Xylazine; Yohimbine | 1988 |
Enhanced vascular alpha-adrenergic neuroeffector system in diabetes: importance of calcium.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Diabetes Mellitus, Experimental; Electric Stimulation; Endothelium, Vascular; Guanabenz; Male; Mesenteric Arteries; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Regulation of [3H]GABA release from strips of guinea pig urinary bladder.
Topics: Acetylcholine; Animals; Atropine; Baclofen; Bicuculline; Clonazepam; Clonidine; Female; gamma-Aminobutyric Acid; Guinea Pigs; Hexamethonium; Hexamethonium Compounds; In Vitro Techniques; Male; Muscimol; Pentobarbital; Phenylephrine; Pirenzepine; Potassium; Prazosin; Tritium; Urinary Bladder; Yohimbine | 1988 |
Investigations into the mechanism of the antihypertensive effect of SGB-1534, a novel alpha 1-adrenoceptor antagonist, in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Aorta, Thoracic; Blood Pressure; Clonidine; Heart Rate; In Vitro Techniques; Male; Muscle Contraction; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
Stereoselective blockade of alpha-adrenoceptors by berbine derivatives.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Berberine Alkaloids; Binding, Competitive; Blood Pressure; Chemical Phenomena; Chemistry; Clonidine; Heart Rate; Ligands; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1988 |
The effects of intracerebroventricular administration of adrenergic agonists and antagonists on adrenaline secretion from the adrenal medulla in stressed conscious rats.
Topics: Adrenal Medulla; Adrenergic Agonists; Animals; Clonidine; Epinephrine; Immobilization; Injections, Intraventricular; Isoproterenol; Male; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Stress, Physiological; Sympatholytics | 1988 |
Effect of levonorgestrel and ethinyloestradiol on vasoconstriction in rat isolated vasculature.
Topics: Angiotensin II; Animals; Blood Pressure; Clonidine; Contraceptive Agents, Female; Ethinyl Estradiol; Female; In Vitro Techniques; Levonorgestrel; Norepinephrine; Norgestrel; Phenylephrine; Rats; Rats, Inbred Strains; Splanchnic Circulation; Vasoconstriction | 1988 |
Alpha noradrenergic agonists promote catalepsy in the mouse.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Animals; Catalepsy; Clonidine; Isoproterenol; Mice; Models, Biological; Motor Activity; Phenoxybenzamine; Phenylephrine; Timolol; Yohimbine | 1988 |
No evidence for more than one type of alpha 1-adrenoreceptor in rabbit pulmonary artery.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dose-Response Relationship, Drug; Male; Methoxamine; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1988 |
Biochemically stimulated release of atrial natriuretic factor from heart-lung preparation of Dahl rats.
Topics: Animals; Atrial Natriuretic Factor; Clonidine; Hemodynamics; Lung; Myocardium; Phenylephrine; Radioimmunoassay; Rats; Sodium Chloride; Yohimbine | 1988 |
Postjunctional alpha-1 and alpha-2 adrenoceptors in the coronaries of the perfused guinea-pig heart.
Topics: Animals; Azepines; Clonidine; Coronary Vessels; Dose-Response Relationship, Drug; Female; Guinea Pigs; Heart Rate; In Vitro Techniques; Male; Myocardial Contraction; Nordefrin; Norepinephrine; Perfusion; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1985 |
Role of alpha adrenoceptor activation in modulating the murine primary antibody response in vitro.
Topics: Animals; Antibody Formation; Cells, Cultured; Clonidine; Erythrocytes; Female; Hemolytic Plaque Technique; Immunoglobulin M; Methoxamine; Mice; Mice, Inbred C57BL; Phenylephrine; Receptors, Adrenergic, alpha; Spleen | 1985 |
Evidence for alpha 1-adrenergic stimulatory control of in vitro release of immunoreactive thyrotropin-releasing hormone from rat median eminence: in vivo corroboration.
Topics: Animals; Clonidine; Epinephrine; In Vitro Techniques; Male; Median Eminence; Norepinephrine; Phentolamine; Phenylephrine; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thyrotropin; Thyrotropin-Releasing Hormone | 1985 |
Expression of both alpha 1- and alpha 2-adrenoceptors in an insulin-secreting cell line. Parallel studies of cytosolic free Ca2+ and insulin release.
Topics: Alanine; Aminoquinolines; Animals; Calcium; Cell Compartmentation; Cell Line; Clonidine; Cytosol; Epinephrine; Insulin; Insulin Secretion; Islets of Langerhans; Phenylephrine; Rats; Receptors, Adrenergic, alpha | 1985 |
Postsynaptic alpha adrenoceptors in baboon cerebral and mesenteric arteries.
Topics: Animals; Cerebral Arteries; Clonidine; Dose-Response Relationship, Drug; Female; Male; Mesenteric Arteries; Norepinephrine; Papio; Phentolamine; Phenylephrine; Potassium Chloride; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1985 |
Differential inhibition of alpha adrenoceptor-mediated pressor responses by rat atrial natriuretic peptide in the pithed rat.
Topics: Adrenergic alpha-Antagonists; Animals; Atrial Natriuretic Factor; Blood Pressure; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Drug Interactions; Heart Rate; Male; Nifedipine; Nitroprusside; Phenylephrine; Rats; Rats, Inbred Strains; Time Factors | 1985 |
Epinephrine-stimulated maintained rubidium efflux from guinea pig hepatocytes may involve alpha 1- and alpha 2-adrenoceptors.
Topics: Animals; Calcium; Clonidine; Epinephrine; Guinea Pigs; In Vitro Techniques; Liver; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Rubidium; Yohimbine | 1985 |
[Alpha-adrenolytic activity of substance DH 1011].
Topics: Animals; Arteries; Carbolines; Clonidine; Dogs; Hindlimb; In Vitro Techniques; Muscle Contraction; Phenylephrine; Receptors, Adrenergic, alpha | 1985 |
Alpha adrenoceptor subtype mediating sympathetic mobilization of blood from the hepatic venous system in anesthetized cats.
Topics: Anesthesia; Animals; Blood Volume; Cats; Clonidine; Electric Stimulation; Hepatic Veins; Nordefrin; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1986 |
Repeated treatment with clenbuterol produces desensitization of rat brain beta- and alpha 2-adrenoceptors without changes of alpha 1-adrenoceptors.
Topics: Animals; Clenbuterol; Clonidine; Dihydroalprenolol; Ethanolamines; Exploratory Behavior; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Time Factors | 1986 |
Pre- and postjunctional alpha-adrenoceptors at sympathetic neuroeffector junction in bovine mesenteric lymphatics.
Topics: Adrenergic Fibers; Animals; Cattle; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; In Vitro Techniques; Lymphatic System; Mesentery; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Synaptic Transmission; Time Factors; Tritium | 1986 |
Depression of contractile responses in rat aorta by spontaneously released endothelium-derived relaxing factor.
Topics: Acetylcholine; Animals; Aorta; Clonidine; Cyclic GMP; Dibenzylchlorethamine; Endothelium; Hemoglobins; In Vitro Techniques; Male; Nitric Oxide; Norepinephrine; Phenylephrine; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Vasoconstriction; Vasodilator Agents | 1986 |
Postsynaptic alpha 1- and alpha 2-adrenoceptors mediating the action of the sympathetic system on muscle spindles, in the rabbit.
Topics: Animals; Clonidine; Epinephrine; In Vitro Techniques; Male; Muscles; Neck Muscles; Norepinephrine; Phenoxybenzamine; Phenylephrine; Rats; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Yohimbine | 1986 |
Studies that question the existence of alpha-2 adrenoceptors in tail arteries of normotensive Sprague-Dawley rats.
Topics: Animals; Arteries; Azepines; Clonidine; Dose-Response Relationship, Drug; Male; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tail; Vasoconstriction; Yohimbine | 1986 |
Studies on epinephrine-induced lung edema in the rat. I. Selective alpha 1-adrenoceptor involvement.
Topics: Animals; Azepines; Blood Pressure; Clonidine; Dibenzylchlorethamine; Epinephrine; Female; Metaraminol; Norepinephrine; Phenylephrine; Practolol; Prazosin; Propranolol; Pulmonary Edema; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Alpha 2-adrenoceptor-mediated contractile response to catecholamines in smooth muscle strips isolated from rainbow trout stomach (Salmo gairdneri).
Topics: Animals; Atropine; Catecholamines; Clonidine; Electric Stimulation; Epinephrine; Female; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Stomach; Tetrodotoxin; Trout | 1986 |
Alpha adrenergic receptors mediate angiotensin-induced prostaglandin production in the rabbit isolated vas deferens.
Topics: Angiotensin II; Angiotensin III; Animals; Clonidine; Male; Muscle Contraction; Phenylephrine; Prazosin; Prostaglandins E; Rabbits; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1987 |
The effect of urapidil on cardiac alpha- and beta-adrenoceptors.
Topics: Animals; Clonidine; Drug Interactions; Female; Fenoterol; Guinea Pigs; Heart Atria; Heart Rate; In Vitro Techniques; Isoproterenol; Male; Myocardial Contraction; Norepinephrine; Phenylephrine; Piperazines; Rabbits; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1986 |
Presynaptic muscarinic and alpha-adrenoceptor-mediated regulation of GABA release from myenteric neurones of the guinea-pig small intestine.
Topics: Animals; Clonidine; Female; gamma-Aminobutyric Acid; Guinea Pigs; In Vitro Techniques; Intestine, Small; Isoproterenol; Male; Myenteric Plexus; Neurons; Oxotremorine; Phenylephrine; Potassium; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Scopolamine | 1986 |
Neuroendocrine and other studies of the mechanism of antidepressant action of desipramine.
Topics: Animals; Blood Pressure; Clonidine; Depression; Desipramine; Growth Hormone; Humans; Melatonin; Phenylephrine; Pupil; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Secretory Rate; Synaptic Transmission; Tyramine | 1986 |
Effect of the amino-oxazoline derivative S-3341 on pre- and postjunctional alpha-adrenoceptors in isolated blood vessels.
Topics: Animals; Clonidine; Dogs; In Vitro Techniques; Norepinephrine; Oxazoles; Perfusion; Phenylephrine; Prazosin; Pulmonary Artery; Rabbits; Receptors, Adrenergic, alpha; Rilmenidine; Saphenous Vein; Vasoconstriction; Yohimbine | 1986 |
Noradrenaline, by activation of alpha-1-adrenoceptors in the region of the supraoptic nucleus, causes secretion of vasopressin in the unanaesthetized rat.
Topics: Animals; Arginine Vasopressin; Clonidine; Isoproterenol; Male; Norepinephrine; Phenylephrine; Radioimmunoassay; Rats; Receptors, Adrenergic, alpha; Supraoptic Nucleus | 1987 |
Quantitative evaluation of alpha- and beta-adrenoceptor modulation of [3H]choline release in guinea pig superior cervical ganglia.
Topics: Acetylcholine; Animals; Choline; Clonidine; Ganglia, Sympathetic; Guinea Pigs; In Vitro Techniques; Isoproterenol; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1987 |
Noradrenergic regulation of cytosol estrogen receptors in female rat hypothalamus: possible role of alpha 2-noradrenergic receptors.
Topics: Animals; Cell Nucleus; Clonidine; Cytosol; Female; Hypothalamus; Norepinephrine; Osmolar Concentration; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Estrogen; Yohimbine | 1987 |
Hypothermia: role of alpha 1- and alpha 2-noradrenergic receptors in the hypothalamus of the cat.
Topics: Animals; Body Temperature; Cats; Clonidine; Female; Hypothermia; Kinetics; Methoxamine; Norepinephrine; Phenylephrine; Receptors, Adrenergic | 1987 |
Postjunctional alpha 2-adrenoceptors in pial arteries of anesthetized newborn pigs.
Topics: Animals; Animals, Newborn; Cerebral Arteries; Clonidine; Female; Ganglia, Sympathetic; Male; Phenylephrine; Pia Mater; Prazosin; Receptors, Adrenergic, alpha; Swine; Vasoconstriction; Yohimbine | 1987 |
Alpha 2-adrenergic potentiation of adenosine-stimulating effect on glucagon secretion.
Topics: Adenosine; Animals; Clonidine; Drug Synergism; Epinephrine; Glucagon; Male; Pancreas; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1987 |
Tissue-dependent alpha adrenoceptor activity of buspirone and related compounds.
Topics: Animals; Buspirone; Cerebral Cortex; Clonidine; Guinea Pigs; Male; Norepinephrine; Phenylephrine; Prazosin; Pyrimidines; Rabbits; Rats; Receptors, Adrenergic, alpha; Vas Deferens | 1987 |
Comparison of the responses to drugs acting on adrenoreceptors and muscarinic receptors in human isolated corpus cavernosum and cavernous artery.
Topics: Acetylcholine; Aged; Carbachol; Clonidine; Electric Stimulation; Ethanolamines; Humans; In Vitro Techniques; Isoproterenol; Male; Middle Aged; Muscle Contraction; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Penis; Phenylephrine; Practolol; Prazosin; Prenalterol; Procaterol; Receptors, Adrenergic; Receptors, Muscarinic; Yohimbine | 1985 |
[Sensitivity of the adrenoreactive systems of various subtypes in patients with Dupuytren's contracture].
Topics: Clonidine; Diastole; Dupuytren Contracture; Humans; Isoproterenol; Phenylephrine; Receptors, Adrenergic | 1988 |
Effects of sophoramine, an alkaloid from Sophora alopecuroides on isolated dog blood vessels.
Topics: Adrenergic Fibers; Alkaloids; Animals; Cerebral Arteries; Clonidine; Coronary Vessels; Dinoprost; Dogs; Dose-Response Relationship, Drug; Female; Male; Mesenteric Arteries; Mesenteric Veins; Muscle Relaxation; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Vasodilator Agents; Yohimbine | 1988 |
Endothelial role in alpha-adrenergic induced vasoconstriction in rat thoracic aorta.
Topics: Animals; Aorta, Thoracic; Clonidine; Dose-Response Relationship, Drug; Endothelium, Vascular; Norepinephrine; Phenylephrine; Rats; Vasoconstriction | 1988 |
Sympathetic control of antral and pyloric electrical activity in the rabbit.
Topics: Afferent Pathways; Albuterol; Animals; Cerebral Decortication; Clonidine; Efferent Pathways; Electromyography; Female; Neural Conduction; Phentolamine; Phenylephrine; Propranolol; Pyloric Antrum; Pylorus; Rabbits; Splanchnic Nerves; Sympathetic Nervous System | 1988 |
Analgesic effects of intrathecally applied noradrenergic compounds in the developing rat: differences due to thermal vs mechanical nociception.
Topics: Analgesia; Animals; Animals, Newborn; Clonidine; Hot Temperature; Injections, Spinal; Nociceptors; Norepinephrine; Pain; Phenylephrine; Physical Stimulation; Rats; Reference Values; Spinal Cord | 1988 |
Reciprocal potentiation of a vasoconstrictor response between 5-hydroxytryptamine and clonidine in the perfused mesenteric vascular bed of the rat.
Topics: Animals; Blood Pressure; Clonidine; Dinoprost; Electric Stimulation; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Ouabain; Phenylephrine; Prostaglandins F; Rats; Rats, Inbred Strains; Serotonin; Splanchnic Circulation; Vasoconstriction; Yohimbine | 1987 |
Opioid modulation of baroreceptor reflex sensitivity in dogs.
Topics: Animals; Atropine; Clonidine; Dogs; Endorphins; Hemodynamics; Male; Morphine; Naloxone; Phenylephrine; Pressoreceptors; Reflex; Vagus Nerve | 1987 |
Effect of ganglion blockade on cerebrospinal fluid norepinephrine.
Topics: Animals; Blood Pressure; Clonidine; Dogs; Male; Nitroprusside; Norepinephrine; Phenylephrine; Sympathetic Nervous System; Trimethaphan; Yohimbine | 1987 |
Characterization of postjunctional adrenoceptor subtypes in isolated rat myocardial cells in culture.
Topics: Action Potentials; Albuterol; Animals; Atenolol; Cells, Cultured; Clonidine; Heart; Heart Rate; Isoproterenol; Methoxamine; Myocardium; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic | 1985 |
Centrally mediated cardiovascular effects of nicergoline in the dog compared to those of clonidine.
Topics: Animals; Atropine; Blood Pressure; Clonidine; Dogs; Ergolines; Female; Guanethidine; Heart Rate; Hemodynamics; Male; Nicergoline; Parasympathetic Nervous System; Phenylephrine; Pressoreceptors; Reflex; Time Factors | 1985 |
Hypothalamic alpha adrenergic receptors in cardiovascular regulation.
Topics: Animals; Blood Pressure; Clonidine; Depression, Chemical; Dose-Response Relationship, Drug; Heart Rate; Hemodynamics; Hypothalamus; Injections; Male; Norepinephrine; Phentolamine; Phenylephrine; Rats; Receptors, Adrenergic; Stereotaxic Techniques; Stimulation, Chemical | 1974 |
Renal alpha 1- and alpha 2-adrenoceptor mediated vasoconstriction in dogs: comparison of phenylephrine, clonidine, and guanabenz.
Topics: Animals; Calcium; Clonidine; Denervation; Dogs; Drug Interactions; Female; Guanabenz; Guanidines; Kidney; Male; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Modulation of synaptic transmission in mammalian sympathetic ganglia: effects of catecholamines, prostaglandins and cyclic nucleotides.
Topics: Animals; Catecholamines; Clonidine; Colforsin; Cyclic AMP; Dinoprostone; Diterpenes; Enkephalin, Methionine; Ganglia, Sympathetic; Guinea Pigs; Kinetics; Phenylephrine; Prostaglandins E; Synaptic Transmission | 1984 |
Characterization of postjunctional alpha-1 and alpha-2 adrenoceptors activated by exogenous or nerve-released norepinephrine in the canine saphenous vein.
Topics: Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Electric Stimulation; Female; Imidazoles; Male; Methoxamine; Norepinephrine; Phenoxybenzamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Saphenous Vein; Sympathetic Nervous System; Tyramine; Yohimbine | 1984 |
Changes in the effects of clonidine on left atrium and hindlimb vasculature of rats in various thyroid states. A study of the responsiveness of alpha 2-adrenoceptors in the cardiovascular system.
Topics: Animals; Clonidine; Dose-Response Relationship, Drug; Heart Atria; Hindlimb; Hypothyroidism; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Myocardial Contraction; Phentolamine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Stimulation, Chemical; Thyroid Gland; Vasoconstriction; Yohimbine | 1984 |
alpha 1-Antagonist activity of the alpha 2-adrenoceptor agonist guanabenz in perfused mesenteric artery of the rat.
Topics: Animals; Blood Pressure; Clonidine; Female; Guanabenz; Guanfacine; Guanidines; In Vitro Techniques; Male; Mesenteric Arteries; Perfusion; Phenylacetates; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1984 |
Norepinephrine stimulation of phosphoinositide hydrolysis in rat cerebral cortex is associated with the alpha1-adrenoceptor.
Topics: Animals; Cerebral Cortex; Clonidine; Hydrolysis; Isoproterenol; Male; Norepinephrine; Phenylephrine; Phosphatidylinositols; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Inhibitory presynaptic effect of noradrenaline on the hypogastric ganglion of the guinea pig.
Topics: Acetylcholine; Animals; Clonidine; Electric Stimulation; Ganglia, Sympathetic; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Neurosecretory Systems; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Synaptic Transmission; Vas Deferens; Yohimbine | 1984 |
Nifedipine and alpha adrenoceptors in rat aorta. I. Role of extracellular calcium in alpha-1 and alpha-2 adrenoceptor-mediated contraction.
Topics: Animals; Aorta; Calcium; Clonidine; Dose-Response Relationship, Drug; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 1984 |
Comparison of alpha 2 adrenoreceptors on arterial smooth muscle and brain homogenates from spontaneously hypertensive and Wistar-Kyoto normotensive rats.
Topics: Animals; Arteries; Brain; Clonidine; Epinephrine; Guanabenz; In Vitro Techniques; Male; Membranes; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Renal alpha 1- and alpha 2-adrenoceptor mediated vasoconstriction in dogs.
Topics: Animals; Calcium; Clonidine; Dogs; Dose-Response Relationship, Drug; Guanabenz; Kidney; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Renal Circulation; Vasoconstriction; Verapamil; Yohimbine | 1984 |
Receptor interactions of imidazolines. IV. Structural requirements for alpha adrenergic receptor occupation and receptor activation by clonidine and a series of structural analogs in rat aorta.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Chemical Phenomena; Chemistry; Clonidine; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Structure-Activity Relationship | 1980 |
Prazosin and its analogues UK-18,596 and UK-33,274: a comparative study on cardiovascular effects and alpha-adrenoceptor blocking activities.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Blood Pressure; Clonidine; Doxazosin; Heart Rate; Hemodynamics; Hexobarbital; Injections, Intraventricular; Male; Phenylephrine; Prazosin; Quinazolines; Rats | 1980 |
Alpha adrenergic receptor mediated formation of cyclic AMP in rat spinal cord.
Topics: 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Clonidine; Cyclic AMP; Male; Methoxamine; Naphazoline; Oxymetazoline; Phenylephrine; Rats; Spinal Cord | 1980 |
Adrenergic regulation of blood glucose levels: possible involvement of postsynaptic alpha-2 type adrenergic receptors regulating insulin release.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Glucose; Clonidine; Epinephrine; Hyperglycemia; Insulin; Male; Mice; Phenylephrine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vas Deferens | 1980 |
Spinal modulation of acoustic startle: opposite effects of clonidine and d-amphetamine.
Topics: Acoustic Stimulation; Adrenergic alpha-Antagonists; Animals; Clonidine; Cyproheptadine; Dextroamphetamine; Dioxanes; Injections, Spinal; Male; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Reflex, Startle; Spinal Cord; Yohimbine | 1981 |
Differential effects of selective alpha 1- and alpha 2-adrenoceptor agonists on intraocular pressure in the conscious rabbit.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Clonidine; Female; Intraocular Pressure; Male; Phenylephrine; Procaine; Pupil; Yohimbine | 1982 |
Catecholamines act as alpha 2-adrenoceptors to cause contraction of circular smooth muscle of guinea-pig stomach.
Topics: Animals; Catecholamines; Clonidine; Dopamine; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Muscle Contraction; Muscle, Smooth; Phentolamine; Phenylephrine; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stomach | 1982 |
Relative potencies of alpha-1 and alpha-2 antagonists in the locus ceruleus, dorsal raphe and dorsal lateral geniculate nuclei: an electrophysiological study.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Brain Stem; Clonidine; Locus Coeruleus; Male; Neurons; Phenylephrine; Raphe Nuclei; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Thalamic Nuclei | 1982 |
Single cell activity in the noradrenergic A-5 region: responses to drugs and peripheral manipulations of blood pressure.
Topics: Amphetamine; Animals; Blood Pressure; Clonidine; Electric Stimulation; Male; Neurotransmitter Agents; Norepinephrine; Phenylephrine; Piperoxan; Rats; Tegmentum Mesencephali | 1982 |
Pharmacological evidence favoring a similarity between alpha adrenoceptors mediating sleep in chicks and cardiac presynaptic alpha-2 receptors in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Chickens; Clonidine; Guanfacine; Guanidines; Heart; Heart Rate; Male; Methoxamine; Nordefrin; Oxymetazoline; Phentolamine; Phenylacetates; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Sleep; Xylazine; Yohimbine | 1982 |
Pharmacological characterization of the alpha adrenoceptors of the dog basilar artery.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Basilar Artery; Clonidine; Dogs; Female; Male; Mesenteric Arteries; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Renal Artery; Yohimbine | 1982 |
Effects on the 5-hydroxytryptamine-induced head-twitch of drugs with selective actions on alpha1 and alpha2-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Female; Methoxamine; Motor Activity; Muridae; Neural Inhibition; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reflex; Serotonin; Yohimbine | 1982 |
Effects of alpha-adrenoceptor antagonists administered intraventricularly on central hypotensive action of clonidine and on central hypertensive action of methoxamine in rabbits.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Drug Interactions; Injections, Intraventricular; Male; Methoxamine; Norepinephrine; Phenylephrine; Rabbits | 1982 |
alpha-Adrenoceptor blocking properties of raubasine in pithed rats.
Topics: Adrenergic alpha-Antagonists; Animals; Azepines; Blood Pressure; Clonidine; Decerebrate State; Electric Stimulation; Heart Rate; Male; Phenylephrine; Rats; Rats, Inbred Strains; Secologanin Tryptamine Alkaloids; Spinal Cord; Yohimbine | 1982 |
Noradrenergic-mediated potentiation of acetylcholine release from the phrenic nerve: evidence for presynaptic alpha 1-adrenoceptor involvement.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; In Vitro Techniques; Male; Muscle Contraction; Norepinephrine; Phentolamine; Phenylephrine; Phrenic Nerve; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Functional postsynaptic alpha 2- but not alpha 1-adrenoceptors in dog saphenous vein exposed to phenoxybenzamine.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dogs; Female; In Vitro Techniques; Male; Phenoxybenzamine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Saphenous Vein; Yohimbine | 1982 |
In vitro studies with (imidazolinyl-2)-2-benzodioxane-1-4 ((+/-)-170 150), a new potent alpha 2-adrenoceptor blocking agent.
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Brain; Clonidine; Dioxins; Idazoxan; In Vitro Techniques; Male; Muscle Contraction; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Alpha-1 adrenoceptors and calcium in isolated canine coronary arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Calcium Channel Blockers; Clonidine; Coronary Vessels; Dogs; Female; Imidazoles; Male; Methoxamine; Muscle Contraction; Norepinephrine; Phenylephrine; Prazosin; Secologanin Tryptamine Alkaloids; Yohimbine | 1983 |
Regulation of adipose tissue metabolism via adrenergic mechanisms: actions of alpha-adrenoceptor agonists on lipolysis in hamster fat cells.
Topics: Adipose Tissue; Adrenergic alpha-Agonists; Animals; Clonidine; Cricetinae; Guanabenz; Imidazoles; Lipolysis; Male; Phenylephrine | 1983 |
Increased alpha 2-adrenoreceptor mediated vascular contraction in diabetic rats.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Calcium; Clonidine; Diabetes Mellitus, Experimental; In Vitro Techniques; Male; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Vasoconstriction | 1983 |
Absence of antinociceptive effect of alpha-2 agonists microinjected in the periaqueductal gray of the rat.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dose-Response Relationship, Drug; Isoproterenol; Male; Morphine; Nociceptors; Periaqueductal Gray; Phenylephrine; Rats; Rats, Inbred Strains; Synaptic Transmission; Tolazoline | 1983 |
Differential effect of calcium entry blockers on alpha 1-adrenoceptor-mediated vasoconstriction in vivo.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Calcium Channel Blockers; Catecholamines; Clonidine; Ethanolamines; Imidazoles; Imidazolines; Male; Methoxamine; Nifedipine; Phenylephrine; Rats; Rats, Inbred Strains; Vasoconstriction; Verapamil | 1983 |
A regional difference in the distribution of postsynaptic alpha-adrenoceptor subtypes in canine veins.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dogs; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Sources of calcium used during alpha 1- and alpha 2-adrenergic contractions in canine saphenous veins.
Topics: Adrenergic alpha-Agonists; Animals; Calcium; Clonidine; Dogs; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Isometric Contraction; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Saphenous Vein; Verapamil | 1984 |
Pharmacological characterization of postjunctional alpha-adrenoceptors in isolated human omental arteries and veins.
Topics: Adolescent; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Aged; Arteries; Clonidine; Female; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Omentum; Oxymetazoline; Phenylephrine; Prazosin; Veins; Yohimbine | 1984 |
Analysis of the hypotensive effects of medroxalol and its enantiomers, MDL 17,330A and MDL 17,331A.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Dogs; Ethanolamines; Male; Norepinephrine; Phenylephrine; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Neurotransmitter; Yohimbine | 1984 |
Assessment of alpha-adrenergic receptor subtypes in isolated rat aortic segments.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Azepines; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Naphthols; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Duration of tonic immobility in chickens as a function of alpha-adrenergic receptor stimulation and blockade.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Chickens; Clonidine; Guanfacine; Guanidines; Methoxamine; Naphazoline; Phenylacetates; Phenylephrine; Prazosin; Restraint, Physical; Time Factors; Yohimbine | 1984 |
Nucleus locus coeruleus: evidence for alpha 1-adrenoceptor mediated hypotension in the cat.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cats; Clonidine; Female; Heart Rate; Locus Coeruleus; Male; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha | 1984 |
Pre- and postsynaptic alpha-adrenoceptor blocking properties of a new dihydrobenzofurane derivative (imidazolinyl-2)-2-dihydro 2,3 benzofurane (S 9871) and its stereoisomers in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Azepines; Benzofurans; Blood Pressure; Clonidine; Drug Interactions; Electric Stimulation; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Phenylephrine; Rats; Rats, Inbred Strains; Stereoisomerism; Vas Deferens | 1984 |
Alpha 2-adrenoceptor agonists potentiate responses mediated by alpha 1-adrenoceptors in the cat nictitating membrane.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Angiotensin II; Animals; Antihypertensive Agents; Blood Pressure; Brimonidine Tartrate; Cats; Clonidine; Female; In Vitro Techniques; Muscle Contraction; Muscle, Smooth; Nictitating Membrane; Norepinephrine; Phenylephrine; Quinolizines; Quinoxalines; Receptors, Adrenergic, alpha | 1984 |
Alpha 1- and alpha 2-adrenoceptors in the smooth muscle of isolated rabbit urinary bladder and urethra.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic, alpha; Urethra; Urinary Bladder; Yohimbine | 1984 |
Pharmacological characterization of alpha adrenoceptors in the rat gastric fundus.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Clonidine; Electric Stimulation; Female; Gastric Fundus; In Vitro Techniques; Methacholine Compounds; Muscle Contraction; Norepinephrine; Phenylephrine; Quinoxalines; Rats; Receptors, Adrenergic, alpha | 1984 |
Effect of alpha adrenergic agonists and blockers on Purkinje fiber transmembrane potentials and automaticity in the dog.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Heart Conduction System; In Vitro Techniques; Membrane Potentials; Phenylephrine; Prazosin; Purkinje Fibers; Yohimbine | 1984 |
Inhibition by central alpha-2 adrenergic mechanism of thyrotropin-releasing hormone-induced gastric acid secretion in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Electric Stimulation; Gastric Acid; Injections, Intraventricular; Male; Norepinephrine; Phenylephrine; Quipazine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Thyrotropin-Releasing Hormone; Vagus Nerve | 1984 |
Peripheral postsynaptic alpha-adrenoceptor blocking properties of some new dihydrobenzofurane and imidazoline derivatives in pithed rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Azepines; Benzofurans; Blood Pressure; Clonidine; Drug Interactions; Imidazoles; Male; Phenethylamines; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Neurotransmitter | 1984 |
[Neurotransmitter control of pupillary motoricity in man].
Topics: Clonidine; Humans; Metaproterenol; Miotics; Mydriatics; Neurotransmitter Agents; Ophthalmic Solutions; Phenylephrine; Physostigmine; Piperazines; Pupil; Time Factors; Timolol; Triazoles; Tropicamide; Tyramine | 1984 |
Stereospecific blockade of alpha 2-adrenoceptors by (+)-butaclamol: implications for the characterization of dopamine receptors.
Topics: Adrenergic alpha-Antagonists; Animals; Butaclamol; Clonidine; Dibenzocycloheptenes; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Dopamine; Stereoisomerism | 1982 |
Alpha 1-adrenergic stimulation of hamster brown adipocyte respiration.
Topics: 1-Methyl-3-isobutylxanthine; Adipose Tissue, Brown; Animals; Clonidine; Cricetinae; Isoproterenol; Kinetics; Male; Mesocricetus; Methoxamine; Norepinephrine; Oxygen Consumption; Phenylephrine; Prazosin; Propranolol; Quinazolines; Receptors, Adrenergic, alpha | 1983 |
Postsynaptic alpha 1- and alpha 2-adrenoceptors in the circulatory system of the pithed rat: selective stimulation of the alpha 2-type by B-HT 933.
Topics: Animals; Azepines; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Muscle, Smooth, Vascular; Oxazoles; Phentolamine; Phenylephrine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Neurotransmitter; Vasomotor System; Yohimbine | 1980 |
Tonic immobility and the alpha-adrenergic system in chickens.
Topics: Animals; Chickens; Clonidine; Epinephrine; Isoproterenol; Methoxamine; Methyldopa; Motor Activity; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1980 |
Inhibition of lipolysis in hamster adipocytes with selective alpha-adrenergic stimuli. Functional characterization of the alpha-receptor.
Topics: Adipose Tissue; Animals; Bucladesine; Clonidine; Cricetinae; Isoproterenol; Lipolysis; Mesocricetus; Methoxamine; Nordefrin; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1980 |
The role of sodium pump activity in the hyperpolarization and in subsequent depolarization of smooth muscle in response to stimulation of post-synaptic alpha 1-adrenoceptors.
Topics: Animals; Calcium; Clonidine; Colon; Epinephrine; Female; Guinea Pigs; In Vitro Techniques; Male; Membrane Potentials; Muscle Contraction; Muscle, Smooth; Ouabain; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sodium; Yohimbine | 1980 |
Uneven distribution of postjunctional alpha 1-and alpha 2-like adrenoceptors in canine arterial and venous smooth muscle.
Topics: 1-Naphthylamine; Animals; Clonidine; Dogs; Electric Stimulation; Femoral Artery; Femoral Vein; Imidazoles; Methoxamine; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Saphenous Vein; Splenic Artery; Verapamil | 1981 |
Evidence for two subtypes of alpha adrenergic receptors in canine airway smooth muscle.
Topics: Airway Resistance; Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Female; Male; Muscle, Smooth; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Respiratory System; Trachea | 1981 |
Influence of angiotensin converting enzyme inhibition with captopril on blood pressure and adrenergic function in normal and sodium restricted rats.
Topics: Angiotensin II; Angiotensin-Converting Enzyme Inhibitors; Animals; Blood Pressure; Captopril; Clonidine; Diet, Sodium-Restricted; Electric Stimulation; Ganglia, Sympathetic; Heart Rate; Isoproterenol; Male; Phenylephrine; Proline; Rats; Rats, Inbred Strains; Renin; Sympathectomy | 1981 |
Pre- and postsynaptic alpha adrenoceptor selectivity studies with yohimbine and its two diastereoisomers rauwolscine and corynanthine in the anesthetized dog.
Topics: Animals; Blood Pressure; Clonidine; Dogs; Electric Stimulation; Heart Rate; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stereoisomerism; Subclavian Artery; Synapses; Yohimbine | 1981 |
Reversal of alpha 1-receptor mediated relaxation in intestinal smooth muscle.
Topics: Animals; Clonidine; Electrolytes; Female; Guinea Pigs; Intestines; Male; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Phenylephrine; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, beta; Verapamil | 1981 |
Functional characterization of postjunctional alpha-adrenoceptors in rat aorta.
Topics: Animals; Aorta, Thoracic; Clonidine; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1981 |
Differential effects of pharmacological manipulations of central alpha 1- and alpha 2-adrenergic receptors on the secretion of thyrotropin and growth hormone in male rats.
Topics: Animals; Brain; Clonidine; Dose-Response Relationship, Drug; Growth Hormone; Hypothalamus; Kinetics; Male; Methoxamine; Methoxyhydroxyphenylglycol; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Thyrotropin; Yohimbine | 1982 |
alpha 2-Adrenergic receptor regulation of ion transport in rabbit ileum.
Topics: Animals; Biological Transport, Active; Clonidine; Epinephrine; Ileum; In Vitro Techniques; Intestinal Mucosa; Male; Methoxamine; Phentolamine; Phenylephrine; Prazosin; Propranolol; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
The effects of intravenous 6-hydroxydopamine on peripheral alpha-adrenoreceptors.
Topics: Animals; Blood Pressure; Clonidine; Guanabenz; Heart Rate; Hemodynamics; Hydroxydopamines; Male; Norepinephrine; Phentolamine; Phenylephrine; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Tissue Distribution | 1982 |
Effects of alpha and beta adrenoceptors on branchial cAMP level in seawater mullet, Mugil capito.
Topics: Albuterol; Animals; Clonidine; Cyclic AMP; Epinephrine; Fishes; Gills; Isoproterenol; Norepinephrine; Phentolamine; Phenylephrine; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Seawater | 1982 |
Inhibition of sympathetic preganglionic neurons by catecholamines and clonidine: mediation by an alpha-adrenergic receptor.
Topics: Animals; Catecholamines; Clonidine; Columbidae; Epinephrine; Neurons; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Synaptic Transmission | 1981 |
An alpha-adrenergic component of reflex bronchoconstriction induced by unilateral, orthodromic stimulation of the carotid sinus nerves.
Topics: Animals; Bronchial Spasm; Carotid Sinus; Clonidine; Electric Stimulation; Guinea Pigs; Hydroxydopamines; Phenylephrine; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reserpine | 1982 |
Negative control of norepinephrine on the thyroid cyclic AMP system.
Topics: Alprostadil; Animals; Carbachol; Cholera Toxin; Clonidine; Cyclic AMP; Dogs; Epinephrine; In Vitro Techniques; Kinetics; Norepinephrine; Phentolamine; Phenylephrine; Propranolol; Prostaglandins E; Thyroid Gland; Thyrotropin | 1982 |
The effect of microelectrophoretically applied clonidine on single cerebral cortical neurones in the rat. Evidence for interaction with alpha 1-adrenoceptors.
Topics: Animals; Cerebral Cortex; Clonidine; Electrophoresis; In Vitro Techniques; Male; Neurons; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Time Factors | 1982 |
Clonidine effect on hepatic cGMP levels in vivo could be mediated by alpha 1-adrenoceptors.
Topics: Animals; Clonidine; Cyclic GMP; Guanethidine; Liver; Male; Mice; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1982 |
Evidence for the existence of alpha- and beta-adrenoceptors on cultured glial cells--an electrophysiological study.
Topics: Animals; Astrocytes; Clonidine; Culture Techniques; Electrophysiology; Isoproterenol; Norepinephrine; Phenylephrine; Potassium; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1982 |
Effects of 4-chloro-2-(2-imidazolin-2-ylamino)-isoindoline Hydrochloride (BE 6143) at pre- and postsynaptic alpha-adrenoceptors in rabbit aorta and pulmonary artery.
Topics: Animals; Aorta, Thoracic; Clonidine; Electric Stimulation; Female; Imidazoles; In Vitro Techniques; Isoindoles; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Pulmonary Artery; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1982 |
Effects of alpha 1 and alpha 2 activation of adrenergic receptors on aqueous humor dynamics.
Topics: Animals; Aqueous Humor; Cats; Clonidine; Intraocular Pressure; Phenylephrine; Prazosin; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Electrophysiological differentiation of alpha-receptors on arteriolar smooth muscle.
Topics: Animals; Arteries; Arterioles; Cats; Clonidine; Electric Conductivity; Female; Male; Membrane Potentials; Muscle Contraction; Norepinephrine; Phentolamine; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1983 |
Pharmacological characterization of postjunctional alpha-adrenoceptors in isolated feline cerebral and peripheral arteries.
Topics: Animals; Arteries; Cats; Cerebral Arteries; Clonidine; Female; Male; Mesenteric Arteries; Methoxamine; Norepinephrine; Oxymetazoline; Phenylephrine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1983 |
Alpha 1-adrenoreceptors on intact rat anterior pituitary cells: correlation with adrenergic stimulation of thyrotropin secretion.
Topics: Animals; Cells, Cultured; Clonidine; Dihydroergotoxine; Epinephrine; Isoproterenol; Male; Norepinephrine; Phenylephrine; Pituitary Gland, Anterior; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stereoisomerism; Thyrotropin | 1983 |
(3,4-Dihydroxyphenylimino)-2-imidazoline (DPI) and its action at noradrenergic and dopaminergic receptors in the nucleus accumbens of rats: mesolimbic catecholamine receptors and hyperactivity.
Topics: Animals; Catecholamines; Clonidine; Ergonovine; Humans; Hyperkinesis; Imidazolines; Male; Nucleus Accumbens; Phentolamine; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Dopamine; Septal Nuclei | 1983 |
Alpha adrenergic receptor subtype associated with receptor binding, Ca++ influx, Ca++ release and contractile events in the rabbit aorta.
Topics: Animals; Aorta; Calcium; Clonidine; Ion Channels; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Prejunctional alpha-adrenoceptor mediated prostaglandin releasing effect of clonidine in the isolated perfused rabbit kidney.
Topics: Animals; Aspirin; Clonidine; Electric Stimulation; Female; In Vitro Techniques; Kidney; Lysine; Male; Norepinephrine; Phenylephrine; Prostaglandins; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
[Characteristics of alpha adrenoceptors of lymphatics and their physiological significance].
Topics: Animals; Binding, Competitive; Cattle; Clonidine; In Vitro Techniques; Lymphatic System; Mesentery; Muscle Contraction; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Yohimbine | 1983 |
Alpha 1- and alpha 2-adrenoceptor selectivity of moxisylyte (thymoxamine) and its metabolites in the pithed rat.
Topics: Animals; Azepines; Blood Pressure; Clonidine; Electric Stimulation; Heart Rate; Male; Moxisylyte; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Spinal Cord | 1983 |
Differential blocking effects of prazosin and yohimbine on vasopressor responses to sympathetic nerve stimulation and intravenous norepinephrine in the pithed rat.
Topics: Animals; Blood Pressure; Clonidine; Electric Stimulation; Male; Norepinephrine; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Vasoconstriction; Yohimbine | 1984 |
Functional characterization of the alpha adrenergic receptor modulating the hydroosmotic effect of vasopressin on the rabbit cortical collecting tubule.
Topics: Absorption; Animals; Arginine Vasopressin; Body Water; Cell Membrane Permeability; Clonidine; Female; Kidney Tubules; Kidney Tubules, Collecting; Norepinephrine; Osmosis; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Yohimbine | 1984 |
Mouse uterine muscle as a model for studying beta 2-adrenoreceptor mediated relaxation.
Topics: Animals; Clonidine; Epinephrine; Estrus; Female; In Vitro Techniques; Isoproterenol; Mice; Models, Biological; Muscle Contraction; Muscle Relaxation; Norepinephrine; Phenylephrine; Pregnancy; Propranolol; Rats; Receptors, Adrenergic, beta; Species Specificity; Uterine Contraction | 1984 |
Pharmacological characterization of the postsynaptic alpha adrenoceptors in vascular smooth muscle from canine and rat mesenteric vascular beds.
Topics: Animals; Clonidine; Dose-Response Relationship, Drug; Hydroxydopamines; Muscle, Smooth, Vascular; Naphazoline; Oxidopamine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Splanchnic Circulation; Yohimbine | 1984 |
A role for presynaptic alpha 2-adrenoceptors in angiotensin II-induced drinking in rats.
Topics: Angiotensin II; Animals; Clonidine; Dose-Response Relationship, Drug; Drinking; Drug Interactions; Female; Injections, Intraventricular; Phenylephrine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Stimulation, Chemical; Yohimbine | 1984 |
Neurotensin inhibition of canine intestinal motility in vivo via alpha-adrenoceptors.
Topics: Acetylcholine; Animals; Blood Pressure; Clonidine; Dogs; Electric Stimulation; Female; Gastrointestinal Motility; Male; Myocardial Contraction; Neurotensin; Norepinephrine; Phenylephrine; Propranolol; Receptors, Adrenergic, alpha; Reserpine; Tetrodotoxin; Yohimbine | 1984 |
Adrenoceptor-mediated responses in human skin studied by iontophoresis.
Topics: Adult; Clonidine; Erythema; Humans; Iontophoresis; Isoproterenol; Middle Aged; Phentolamine; Phenylephrine; Practolol; Prenalterol; Propranolol; Receptors, Adrenergic; Skin; Terbutaline; Vasoconstriction; Yohimbine | 1984 |
Chronic haloperidol and adrenergic receptor sensitivity in the rat.
Topics: Animals; Blood Pressure; Caudate Nucleus; Clonidine; Dose-Response Relationship, Drug; Drug Interactions; Haloperidol; Myocardial Contraction; Phenylephrine; Rats; Receptors, Adrenergic; Tyramine | 1983 |
Further studies on the suppressing effect of isoproterenol on the immobility-reducing action of desipramine in the forced swimming test.
Topics: Animals; Atenolol; Clonidine; Desipramine; Isoproterenol; Male; Motor Activity; Phenylephrine; Rats; Rats, Inbred Strains; Swimming; Yohimbine | 1983 |
Differences between the prejunctional effects of phenylephrine and clonidine in guinea-pig isolated atria.
Topics: Animals; Clonidine; Electric Stimulation; Guinea Pigs; Heart; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Phenylephrine; Prazosin; Sympathetic Nervous System; Yohimbine | 1984 |
Norepinephrine elicits both excitatory and inhibitory responses from Purkinje cells in the in vitro rat cerebellar slice.
Topics: Action Potentials; Animals; Cerebellum; Clonidine; Electric Stimulation; In Vitro Techniques; Isoproterenol; Male; Neurons; Norepinephrine; Phenylephrine; Purkinje Cells; Rats; Rats, Inbred Strains | 1984 |
Different effects of phenylephrine and clonidine on 86Rb efflux and on contraction in the rat caudal artery.
Topics: Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Radioisotopes; Rats; Rats, Inbred Strains; Rubidium | 1984 |
Effects of epinephrine, clonidine, L-phenylephrine, and morphine on intestinal secretion mediated by Escherichia coli heat-stable enterotoxin in pig jejunum.
Topics: Animals; Clonidine; Enterotoxins; Epinephrine; Escherichia coli; Hot Temperature; In Vitro Techniques; Intestinal Absorption; Intestinal Secretions; Jejunum; Male; Morphine; Phenylephrine; Swine | 1982 |
On the role of calcium ions in the regulation of glycogenolysis in mouse brain cortical slices.
Topics: Animals; Calcium; Cerebral Cortex; Clonidine; Egtazic Acid; Epinephrine; Glycogen; Isoproterenol; Lanthanum; Male; Mice; Norepinephrine; Phenylephrine; Phosphorylases | 1982 |
Regulation of canine platelet function II. Catecholamines.
Topics: Adenosine Diphosphate; Animals; Arachidonic Acids; Blood Platelets; Clonidine; Dobutamine; Dogs; Drug Synergism; Epinephrine; Female; Indomethacin; Isoproterenol; Kinetics; Male; Phenylephrine; Platelet Aggregation | 1983 |
Castration alters the stimulatory and inhibitory adrenergic influences on isolated rat vas deferens.
Topics: Animals; Castration; Clonidine; Ethanolamines; In Vitro Techniques; Male; Muscle Contraction; Norepinephrine; Phenylephrine; Rats; Rats, Inbred Strains; Sympathomimetics; Testosterone; Vas Deferens | 1981 |
Antihypertensive effects of AT-112, a newly synthesized quinazoline derivative, in spontaneously hypertensive rats.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Aorta, Thoracic; Binding, Competitive; Blood Pressure; Clonidine; Endothelium, Vascular; Female; Hypertension; Male; Phenylephrine; Prazosin; Quinazolines; Rats; Rats, Inbred SHR; Serotonin; Vasodilation | 1995 |
Functional analyses of alpha 1-adrenoceptor subtypes in rat hypothalamic ventromedial nucleus neurons.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Female; Hypothalamus, Middle; In Vitro Techniques; Neurons; Phenylephrine; Piperazines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1 | 1995 |
Evidence for an alpha 1-adrenoceptor subtype mediating adrenergic vasoconstriction in Wistar normotensive and stroke-prone spontaneously hypertensive rat kidney.
Topics: Adrenergic alpha-Antagonists; Amlodipine; Animals; Cerebrovascular Disorders; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Hypertension; Kidney; Male; Methoxamine; Phenylephrine; Piperazines; Rats; Rats, Inbred SHR; Rats, Wistar; Receptors, Adrenergic, alpha-1; Renal Circulation; Sympathetic Nervous System; Vasoconstriction | 1994 |
Effect of neurotransmitters on axoplasmic transport: how adrenaline affects superior cervical ganglion cells.
Topics: Albuterol; Animals; Axonal Transport; Bucladesine; Cells, Cultured; Clonidine; Cyclic AMP; Dobutamine; Dose-Response Relationship, Drug; Epinephrine; Kinetics; Mice; Mice, Inbred C57BL; Neurons; Phenylephrine; Receptors, Adrenergic, beta-2; Superior Cervical Ganglion; Time Factors | 1994 |
Alpha 1-adrenoceptor subtypes mediating adrenergic vasoconstriction in kidney, one-clip Goldblatt and deoxycorticosterone acetate-salt hypertensive rats.
Topics: Adrenergic alpha-Antagonists; Amlodipine; Animals; Clonidine; Desoxycorticosterone; Disease Models, Animal; Dose-Response Relationship, Drug; Hypertension; Hypertension, Renovascular; Kidney; Male; Methoxamine; Phenylephrine; Piperazines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Vasoconstriction | 1994 |
Pharmacological characterization of alpha 1-adrenoceptor subtypes in the human prostate: functional and binding studies.
Topics: Adrenergic alpha-Antagonists; Binding, Competitive; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Humans; Male; Muscle Contraction; Muscles; Norepinephrine; Phenylephrine; Prazosin; Prostatic Hyperplasia; Receptors, Adrenergic, alpha-1 | 1994 |
Role of alpha 1A- and alpha 1B-adrenoceptors in phenylephrine-induced positive inotropic response in isolated rat left atrium.
Topics: Adrenergic alpha-Antagonists; Animals; Atrial Function; Binding, Competitive; Calcium; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Heart Atria; In Vitro Techniques; Inositol Phosphates; Male; Myocardial Contraction; Phenethylamines; Phenylephrine; Piperazines; Radioligand Assay; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Tetralones | 1994 |
Adrenergic effects on the corneal and intraretinal direct-current electroretinogram and on the standing potential of albino rabbit eyes.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Cornea; Electroretinography; Membrane Potentials; Microelectrodes; Perfusion; Phenylephrine; Rabbits; Retina; Vitrectomy | 1995 |
Alpha-adrenoceptors and angiotensinogen gene expression in opossum kidney cells.
Topics: Adrenergic alpha-Agonists; Affinity Labels; Alkaloids; Angiotensinogen; Animals; Cells, Cultured; Clonidine; Cyclic AMP-Dependent Protein Kinases; Gene Expression Regulation; Kidney Tubules; Opossums; Phenylephrine; Prazosin; Protein Kinase C; Receptors, Adrenergic, alpha; Staurosporine; Tetradecanoylphorbol Acetate; Yohimbine | 1995 |
Alpha-adrenergic pathways in the lateral hypothalamus are important for the dipsogenic effect of carbachol injected into the medial septal area.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carbachol; Clonidine; Drinking; Hypothalamic Area, Lateral; Male; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Receptors, Cholinergic; Yohimbine | 1995 |
Evidence for a functional alpha 1A- (alpha 1C-) adrenoceptor mediating contraction of the rat epididymal vas deferens and an alpha 1B-adrenoceptor mediating contraction of the rat spleen.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Cocaine; Epididymis; Estradiol; Male; Methoxamine; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Spleen; Vas Deferens; Vasoconstrictor Agents | 1995 |
Alpha 1A-adrenoceptor subtype effectively increases Ca(2+)-sensitivity for contraction in rabbit thoracic aorta.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Alkaloids; Animals; Aorta, Thoracic; Calcium; Carbazoles; Clonidine; Cytosol; In Vitro Techniques; Indoles; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Rabbits; Receptors, Adrenergic, alpha-1; Sensitivity and Specificity | 1995 |
Increased pressure in venous sinusoids during decongestion of rat nasal mucosa induced by adrenergic agonists.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Blood Volume; Clonidine; Extracellular Space; Female; Hemodynamics; Lasers; Nasal Decongestants; Nasal Mucosa; Norepinephrine; Paranasal Sinuses; Phentolamine; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Regional Blood Flow; Vascular Resistance; Veins; Yohimbine | 1993 |
Release of endogenous acetylcholine from a vascularly perfused rat stomach in vitro; inhibition by M3 muscarinic autoreceptors and alpha-2 adrenoceptors.
Topics: (4-(m-Chlorophenylcarbamoyloxy)-2-butynyl)trimethylammonium Chloride; Acetylcholine; Adrenergic alpha-Antagonists; Animals; Atropine; Calcium; Clonidine; Diamines; Drug Interactions; Electric Stimulation; Gastric Mucosa; Hexamethonium; Hexamethonium Compounds; Male; Muscarinic Antagonists; Oxotremorine; Parasympatholytics; Perfusion; Phenylephrine; Piperidines; Pirenzepine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Receptors, Muscarinic; Stomach; Sympathetic Nervous System; Tetrodotoxin; Vagus Nerve | 1993 |
Sustained negative inotropism mediated by alpha-adrenoceptors in adult mouse myocardia: developmental conversion from positive response in the neonate.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Aging; Animals; Animals, Newborn; Atropine; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Heart; In Vitro Techniques; Mice; Myocardial Contraction; Myocardium; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Yohimbine | 1995 |
Alpha 1a-adrenergic receptor mediated positive chronotropic effect in right atria isolated from rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Atrial Function; Clonidine; Dioxanes; Heart Atria; Heart Rate; In Vitro Techniques; Male; Phenoxybenzamine; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1 | 1994 |
Stimulation of bicarbonate secretion by alpha- and beta-adrenoceptor agonists in rat caecum in vitro.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Bicarbonates; Cecum; Chlorides; Clonidine; Hydrogen-Ion Concentration; In Vitro Techniques; Intestinal Mucosa; Isoproterenol; Male; Norepinephrine; Phenylephrine; Rats; Rats, Wistar; Stimulation, Chemical; Tetrodotoxin | 1995 |
Spontaneous cardiac baroreflex in humans. Comparison with drug-induced responses.
Topics: Adult; Blood Pressure; Clonidine; Humans; Male; Middle Aged; Phenylephrine; Pressoreceptors; Propranolol; Reflex; Regression Analysis | 1995 |
Attenuation of arteriolar alpha 2-adrenoceptor sensitivity during endotoxemia.
Topics: Animals; Arterioles; Clonidine; Dioxanes; Endotoxins; Escherichia coli; Idazoxan; Male; Muscles; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Shock, Septic; Vasoconstriction | 1994 |
Pharmacological evidence of distinct alpha 1-adrenoceptor subtypes mediating the contraction of human prostatic urethra and peripheral artery.
Topics: Aged; Aged, 80 and over; Arteries; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Humans; In Vitro Techniques; Male; Middle Aged; Muscle Contraction; Phenylephrine; Receptors, Adrenergic, alpha-1; Urethra; Vasoconstriction | 1994 |
Effect of desipramine-induced blockade of neuronal uptake mechanisms on adrenoceptor-mediated responses in the guinea-pig colon.
Topics: Acetylcholine; Adrenergic Agonists; Animals; Clonidine; Colon; Desipramine; Dose-Response Relationship, Drug; Guinea Pigs; In Vitro Techniques; Isoproterenol; Male; Muscle, Smooth; Neurons; Norepinephrine; Peristalsis; Phenylephrine; Receptors, Adrenergic; Xylazine | 1994 |
Alpha 1A-adrenoceptor subtype mediates contraction of the rat urethra.
Topics: Aminoquinolines; Animals; Calcium; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Idazoxan; Male; Muscle Contraction; Muscle, Smooth; Nifedipine; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Tetrahydroisoquinolines; Urethra | 1994 |
Functional identification of alpha 1-adrenoceptor subtypes in human prostate: comparison with those in rat vas deferens and spleen.
Topics: Adrenergic alpha-Antagonists; Aged; Aged, 80 and over; Animals; Clonidine; Dose-Response Relationship, Drug; Female; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth; Nifedipine; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Prostate; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Spleen; Vas Deferens | 1994 |
Chloroethylclonidine irreversibly activates postjunctional alpha 2-adrenoceptors in the dog saphenous vein.
Topics: Adrenergic alpha-Agonists; Alkylating Agents; Animals; Brimonidine Tartrate; Clonidine; Cocaine; Dogs; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Neuromuscular Junction; Phenylephrine; Quinoxalines; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Saphenous Vein | 1993 |
Nitric oxide modulates sympathetic vasoconstriction and basal blood flow in normal and acutely inflamed rabbit knee joints.
Topics: Adrenergic alpha-Agonists; Animals; Arginine; Arthritis; Blood Pressure; Brimonidine Tartrate; Clonidine; Electric Stimulation; Infusions, Intra-Arterial; Knee Joint; Laser-Doppler Flowmetry; NG-Nitroarginine Methyl Ester; Nitric Oxide; Phenylephrine; Quinoxalines; Rabbits; Regional Blood Flow; Sympathetic Nervous System; Vascular Resistance; Vasoconstriction | 1993 |
Alpha 1-adrenoceptor subtype involved in the positive inotropic response to phenylephrine in rat atria.
Topics: Acetonitriles; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha | 1993 |
Clonidine and phenylephrine injected into the lateral preoptic area reduce water intake in dehydrated rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Animals; Clonidine; Dehydration; Drinking Behavior; Injections; Male; Phenylephrine; Prazosin; Preoptic Area; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1993 |
Chloroethylclonidine discriminates between alpha 1A- and alpha 1B-adrenoceptors in the presence of guanosine 5'-triphosphate in rabbit thoracic aorta.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Binding Sites; Clonidine; Dioxanes; Guanosine 5'-O-(3-Thiotriphosphate); In Vitro Techniques; Male; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha | 1993 |
Noradrenaline decreases transmission of NMDA- and non-NMDA-receptor mediated monosynaptic EPSPs in rat prefrontal neurons in vitro.
Topics: 2-Amino-5-phosphonovalerate; 6-Cyano-7-nitroquinoxaline-2,3-dione; Action Potentials; Adrenergic Antagonists; Afferent Pathways; Animals; Clonidine; Electric Stimulation; Evoked Potentials; Excitatory Amino Acid Antagonists; In Vitro Techniques; Isoproterenol; Membrane Potentials; Methoxamine; Neurons; Norepinephrine; Phentolamine; Phenylephrine; Prazosin; Prefrontal Cortex; Propranolol; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; Receptors, Glutamate; Receptors, N-Methyl-D-Aspartate; Synapses; Synaptic Transmission | 1993 |
Characterization of the alpha 1-adrenoceptors of the rat prostate gland.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Alkylating Agents; Animals; Clonidine; Dioxanes; In Vitro Techniques; Kinetics; Male; Muscle Contraction; Muscle, Smooth; Phenylephrine; Prostate; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Spleen; Vas Deferens | 1993 |
An alpha-adrenoceptor-mediated mechanism of hypoactivity induced by beta-amyrin palmitate.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Apomorphine; Clonidine; Dopamine Agents; Dose-Response Relationship, Drug; Male; Mice; Mice, Inbred Strains; Motor Activity; Oleanolic Acid; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha; Triterpenes; Yohimbine | 1993 |
Effects of WB4101 and chloroethylclonidine on the positive and negative inotropic actions of phenylephrine in rat cardiac muscle.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Drug Antagonism; In Vitro Techniques; Male; Myocardial Contraction; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1 | 1994 |
Receptor-effector coupling pathway for alpha 1-adrenergic modulation of abnormal automaticity in 'ischemic' canine Purkinje fibers.
Topics: Adrenergic alpha-Antagonists; Animals; Barium; Clonidine; Dioxanes; Dogs; Membrane Potentials; Myocardial Ischemia; Pertussis Toxin; Phenylephrine; Purkinje Fibers; Receptors, Adrenergic, alpha-1; Virulence Factors, Bordetella | 1994 |
WB4101- and CEC-sensitive positive inotropic actions of phenylephrine in rat cardiac muscle.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Heart; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Osmolar Concentration; Papillary Muscles; Phenylephrine; Rats; Rats, Sprague-Dawley | 1994 |
Methylphenidate-induced hepatotoxicity in mice and its potentiation by beta-adrenergic agonist drugs.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Alanine Transaminase; Animals; Clonidine; Drug Synergism; Female; Liver; Male; Methylphenidate; Mice; Mice, Inbred ICR; Necrosis; Phenylephrine | 1994 |
Role of adrenergic mechanisms in the pressor effect of diaspirin cross-linked hemoglobin.
Topics: Adrenal Medulla; Adrenalectomy; Adrenergic beta-Antagonists; Animals; Aspirin; Blood Pressure; Cardiovascular System; Clonidine; Decerebrate State; Hemoglobins; Male; Norepinephrine; Phenylephrine; Rats; Rats, Sprague-Dawley; Reference Values; Sympathetic Nervous System | 1994 |
Refractory period response of cardiac Purkinje tissue to alpha 1- and alpha 2-adrenergic influences.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Dioxanes; Dogs; Female; Male; Norepinephrine; Phenylephrine; Purkinje Fibers; Receptors, Adrenergic, alpha; Refractory Period, Electrophysiological | 1994 |
Identification of the mRNA for the novel alpha 1D-adrenoceptor and two other alpha 1-adrenoceptors in vascular smooth muscle.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Clonidine; In Situ Hybridization; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; RNA, Messenger | 1994 |
alpha 1-adrenergic agonists precondition rabbit ischemic myocardium independent of adenosine by direct activation of protein kinase C.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Body Weight; Clonidine; Coronary Circulation; Enzyme Activation; Female; Heart; Heart Rate; In Vitro Techniques; Male; Methoxamine; Myocardial Infarction; Myocardial Ischemia; Myocardium; Organ Size; Phenoxybenzamine; Phenylephrine; Polymyxin B; Protein Kinase C; Rabbits; Receptors, Adrenergic, alpha-1 | 1994 |
Alpha 1-adrenergic agonist-stimulated protein secretion in rat exorbital lacrimal gland acini.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Eye Proteins; Haloperidol; Lacrimal Apparatus; Male; Methoxamine; Norepinephrine; Peroxidase; Phenylephrine; Rats; Rats, Wistar; Timolol | 1994 |
[Pharmacological study on functional significance of alpha 1-adrenoceptor subtypes in mammalian ventricular myocardium].
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Female; Heart Ventricles; Hydrolysis; In Vitro Techniques; Male; Myocardial Contraction; Papillary Muscles; Phenylephrine; Phosphatidylinositols; Rabbits; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Stimulation, Chemical | 1994 |
Both alpha 1A- and alpha 2A-adrenoreceptor subtypes stimulate voltage-operated L-type calcium channels in rat portal vein myocytes. Evidence for two distinct transduction pathways.
Topics: Animals; Antibodies; Calcium Channels; Cells, Cultured; Clonidine; Enzyme Activation; Ion Channel Gating; Muscle, Smooth, Vascular; Norepinephrine; Pertussis Toxin; Phenylephrine; Phosphatidylinositols; Portal Vein; Protein Kinase C; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Signal Transduction; Virulence Factors, Bordetella | 1994 |
Effect of crowding on corticosterone responses to central adrenergic stimulation.
Topics: Animals; Clonidine; Corticosterone; Crowding; Hypothalamo-Hypophyseal System; Injections, Intraventricular; Isoproterenol; Male; Norepinephrine; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic; Stress, Psychological | 1994 |
Diaspirin cross-linked hemoglobin (DCLHB): involvement of adrenergic mechanisms in the pressor effect.
Topics: Adrenal Medulla; Adrenalectomy; Animals; Aspirin; Blood Pressure; Blood Substitutes; Clonidine; Drug Interactions; Hemoglobins; Male; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Yohimbine | 1994 |
ATP-sensitive K+ channels mediate alpha 2D-adrenergic receptor contraction of arteriolar smooth muscle and reversal of contraction by hypoxia.
Topics: Adenosine Triphosphate; Animals; Brimonidine Tartrate; Cell Hypoxia; Clonidine; Glyburide; In Vitro Techniques; Muscle, Smooth, Vascular; Nitroprusside; Phenylephrine; Potassium Channels; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction | 1995 |
Physical conditioning decreases norepinephrine-induced vasoconstriction in rabbits. Possible roles of norepinephrine-evoked endothelium-derived relaxing factor.
Topics: Animals; Aorta, Thoracic; Clonidine; Dose-Response Relationship, Drug; Endothelium, Vascular; Male; Nitric Oxide; Norepinephrine; Phenylephrine; Physical Conditioning, Animal; Rabbits; Receptors, Adrenergic, alpha; Vasoconstriction | 1994 |
Presynaptic alpha 2 adrenoceptors inhibit glutamate release from rat spinal cord synaptosomes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aspartic Acid; Calcium; Chromatography, High Pressure Liquid; Clonidine; gamma-Aminobutyric Acid; Glutamates; Glutamic Acid; Isoproterenol; Kinetics; Male; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Spinal Cord; Synaptosomes | 1993 |
Alpha 1b-adrenoceptor-mediated stimulation of Na-K pump current in adult rat ventricular myocytes.
Topics: Adrenergic alpha-Antagonists; Animals; Cells, Cultured; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Heart; Heart Ventricles; Male; Myocardium; Ouabain; Phenoxybenzamine; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Sodium-Potassium-Exchanging ATPase; Ventricular Function, Left | 1993 |
The alpha-adrenoceptor subtype mediating the tension of human prostatic smooth muscle.
Topics: Adrenergic alpha-Antagonists; Aged; Aged, 80 and over; Binding, Competitive; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Humans; Male; Middle Aged; Muscle Contraction; Muscle, Smooth; Phenylephrine; Piperazines; Prostate; Receptors, Adrenergic, alpha | 1993 |
Evidence for the presence of noradrenergic neurons and their inhibitory action on luteinizing hormone-releasing hormone release in cultured fetal rat hypothalamic cells.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; alpha-Methyltyrosine; Animals; Cells, Cultured; Clonidine; Female; Fetus; Gonadotropin-Releasing Hormone; Hypothalamus; Methyltyrosines; Neurons; Phenylephrine; Prazosin; Pregnancy; Rats; Rats, Sprague-Dawley; Yohimbine | 1993 |
An attempt to characterize alpha-adrenoceptors on human dorsal foot veins in situ.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Clonidine; Foot; Humans; Male; Phenylephrine; Receptors, Adrenergic, alpha; Vasoconstriction; Veins | 1993 |
Modulation of delayed afterdepolarisations by alpha 1 adrenergic receptor subtypes.
Topics: Action Potentials; Adrenergic alpha-Antagonists; Animals; Arrhythmias, Cardiac; Calcium; Clonidine; Culture Techniques; Dioxanes; Dogs; Heart; Ouabain; Phenylephrine; Purkinje Fibers; Receptors, Adrenergic, alpha | 1993 |
Calcium channel blockers impair the pituitary-adrenocortical responses to central adrenergic receptors stimulation.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Corticosterone; Drug Interactions; Hypothalamo-Hypophyseal System; Isoproterenol; Male; Nifedipine; Phenylephrine; Pituitary-Adrenal System; Rats; Rats, Wistar; Stimulation, Chemical; Verapamil | 1993 |
Alpha 1B-adrenoceptor-mediated stimulation of Ca2+ mobilization and cAMP accumulation in isolated rat hepatocytes.
Topics: Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Cyclic AMP; Dioxanes; In Vitro Techniques; Liver; Male; Methoxamine; Norepinephrine; Pertussis Toxin; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Signal Transduction; Tetradecanoylphorbol Acetate; Vasopressins; Virulence Factors, Bordetella | 1993 |
Social crowding stress diminishes the pituitary-adrenocortical and hypothalamic histamine response to adrenergic stimulation.
Topics: Animals; Clonidine; Corticosterone; Crowding; Histamine; Hypothalamo-Hypophyseal System; Injections, Intraventricular; Isoproterenol; Male; Phenylephrine; Pituitary-Adrenal System; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Stimulation, Chemical; Stress, Psychological; Sympathetic Nervous System; Sympathomimetics | 1993 |
Alpha 1-adrenoceptors in the human prostatic urethra are different from those of the human peripheral arteries.
Topics: Arteries; Atropine; Clonidine; Dioxanes; Humans; Iliac Artery; Isometric Contraction; Male; Muscle, Smooth; Muscle, Smooth, Vascular; Phenylephrine; Piperazines; Prazosin; Propranolol; Receptors, Adrenergic, alpha-1; Urethra; Yohimbine | 1993 |
Role of the adrenergic pathways of the lateral hypothalamus on water intake and pressor response induced by the cholinergic activation of the medial septal area in rats.
Topics: Animals; Blood Pressure; Carbachol; Clonidine; Drinking; Hypothalamic Area, Lateral; Male; Neural Pathways; Parasympathomimetics; Phenylephrine; Rats; Rats, Inbred Strains; Septum Pellucidum; Sympathetic Nervous System | 1994 |
The alpha 1-adrenergic receptor that mediates smooth muscle contraction in human prostate has the pharmacological properties of the cloned human alpha 1c subtype.
Topics: Animals; CHO Cells; Clonidine; Cricetinae; Humans; Male; Muscle Contraction; Muscle, Smooth; Phenylephrine; Prostate; Receptors, Adrenergic, alpha; Recombinant Proteins | 1994 |
Effects of subchronic exposure of rats to lead or zinc on alpha-adrenoceptor-mediated contractile responses in isolated vas deferens.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Clonidine; Electric Stimulation; In Vitro Techniques; Lead; Male; Muscle Contraction; Muscle, Smooth; Nitrendipine; Norepinephrine; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Sulfates; Vas Deferens; Verapamil; Yohimbine; Zinc Compounds; Zinc Sulfate | 1993 |
Involvement of alpha-adrenoceptors in the endothelium-dependent depression of noradrenaline-induced contraction in rat aorta.
Topics: Animals; Aorta, Thoracic; Arginine; Clonidine; Dose-Response Relationship, Drug; Endothelium, Vascular; In Vitro Techniques; Muscle Contraction; Muscle, Smooth, Vascular; Nitric Oxide; Nitroarginine; Norepinephrine; omega-N-Methylarginine; Phenylephrine; Rats; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Alpha 1A- and alpha 1B-adrenoceptor-mediated positive chronotropic effects on isolated rat atrium.
Topics: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine; Animals; Clonidine; Heart Atria; Heart Rate; In Vitro Techniques; Isoquinolines; Male; Phenylephrine; Piperazines; Protein Kinase C; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Stimulation, Chemical | 1993 |
The regulation of regional hemodynamics by alpha-1 adrenoceptor subtypes in the conscious rat.
Topics: Animals; Blood Pressure; Clonidine; Consciousness; Drug Resistance; Hemodynamics; Hindlimb; Male; Mesenteric Arteries; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Sensitivity and Specificity; Vascular Resistance | 1993 |
Influence of transient global cerebral ischemia on the facilitatory modulation of the vagal baroreflex in dogs.
Topics: Animals; Baroreflex; Bradycardia; Clonidine; Dogs; Electric Stimulation; Female; Ischemic Attack, Transient; Male; Phenylephrine; Receptors, Adrenergic, alpha-2; Septum Pellucidum; Vagotomy; Vagus Nerve | 1993 |
Cardiac effects of injections of epinephrine into the spinal intermediolateral column.
Topics: Animals; Bradycardia; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Heart; Heart Rate; Injections, Spinal; Male; Microinjections; Phenylephrine; Rats; Rats, Wistar; Spinal Cord; Tachycardia | 1993 |
Dominant antagonistic action of alpha 2-adrenoceptor agonists on alpha 1-agonist-induced vasoconstriction.
Topics: Animals; Clonidine; Dogs; Female; Macaca; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Serotonin; Species Specificity; Vasoconstriction; Xylazine | 1993 |
Vaccination with live Pasteurella haemolytica alters vascular adrenergic reactivity.
Topics: Animals; Aorta; Bacterial Vaccines; Clonidine; Isoproterenol; Male; Mannheimia haemolytica; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Vaccination | 1993 |
Role of adrenoceptors in the proximal urethral function of female and male rabbits using an in vivo model of isovolumetric pressure generation.
Topics: Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Female; Isoproterenol; Male; Phenylephrine; Prazosin; Pressure; Rabbits; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Urethra | 1993 |
Cold-induced potentiation of alpha 2-adrenergic vasoconstriction in primary Raynaud's disease.
Topics: Adult; Clonidine; Cold Temperature; Dose-Response Relationship, Drug; Female; Fingers; Humans; Middle Aged; Phenylephrine; Raynaud Disease; Receptors, Adrenergic, alpha; Regional Blood Flow; Vasoconstriction | 1993 |
Alpha-adrenoceptor stimulation of porcine pulmonary arteries.
Topics: Acetylcholine; Animals; Clonidine; Cyclic AMP; Cyclic GMP; Endothelium, Vascular; In Vitro Techniques; Indomethacin; Methoxamine; Phenylephrine; Pulmonary Artery; Radioimmunoassay; Receptors, Adrenergic, alpha; Swine; Vasoconstriction | 1993 |
Alpha 2-adrenergic inhibition of Cl- transport by opercular epithelium is mediated by intracellular Ca2+.
Topics: 12-Hydroxy-5,8,10,14-eicosatetraenoic Acid; Animals; Calcium; Calcium-Transporting ATPases; Chlorides; Clonidine; Dose-Response Relationship, Drug; Epithelium; Flavanones; Flavonoids; Gills; Hydrogen-Ion Concentration; Hydroxyeicosatetraenoic Acids; In Vitro Techniques; Isoproterenol; Killifishes; Kinetics; Masoprocol; Pertussis Toxin; Phenylephrine; Receptors, Adrenergic, alpha; Terpenes; Thapsigargin; Virulence Factors, Bordetella; Yohimbine | 1993 |
Local hypothalamic adrenoceptor activation in rat: alpha 1 inhibits and alpha 2 stimulates growth hormone secretion.
Topics: Animals; Clonidine; Growth Hormone; Hypothalamus; Hypothalamus, Middle; Male; Microinjections; Norepinephrine; Phenylephrine; Preoptic Area; Rats; Receptors, Adrenergic, alpha; Stereotaxic Techniques; Tyramine | 1993 |
Alpha 1A-adrenoceptor-mediated contractile responses of the human vas deferens.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Binding, Competitive; Calcium; Clonidine; Extracellular Space; Humans; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Nifedipine; Phenylephrine; Receptors, Adrenergic, alpha-1; Sulfonamides; Tamsulosin; Vas Deferens | 1995 |
The effects of intracoeliac injections of alpha-adrenergic agonists and veratridine on reticuloruminal motility and the evocation of rumination in sheep.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Gastrointestinal Motility; Imidazoles; Injections, Intra-Arterial; Medetomidine; Phenylephrine; Rumen; Sheep; Veratridine; Xylazine | 1995 |
Effect of NG-nitro-L-arginine methylester (L-NAME) on functional and biochemical alpha 1-adrenoceptor-mediated responses in rat blood vessels.
Topics: Adrenergic alpha-Agonists; Animals; Arginine; Arteries; Clonidine; In Vitro Techniques; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide Synthase; Phenoxybenzamine; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Tail; Vasoconstriction | 1996 |
Is alpha-adrenoceptor blockade responsible for atropine flush?
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Adrenergic alpha-Antagonists; Animals; Atropine; Clonidine; Male; Phentolamine; Phenylephrine; Prazosin; Prostaglandin Endoperoxides, Synthetic; Rats; Rats, Sprague-Dawley; Skin; Thromboxane A2; Vasodilation | 1995 |
Influence of adrenoceptor agonists and antagonists on fluid secretion in small bowel obstruction.
Topics: Adrenergic Agonists; Adrenergic Antagonists; Albuterol; Analysis of Variance; Animals; Body Water; Clonidine; Intestinal Obstruction; Intestine, Small; Jejunal Diseases; Male; Metoprolol; Phenylephrine; Prazosin; Prenalterol; Rats; Rats, Sprague-Dawley; Yohimbine | 1995 |
Effect of cyclosporin A on isolated rabbit bladder and urethral smooth muscle.
Topics: Acetylcholine; Animals; Clonidine; Cyclosporine; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Isoproterenol; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Phenylephrine; Rabbits; Urethra; Urinary Bladder | 1996 |
Analysis of the mechanisms underlying the antinociceptive effect of the extracts of plants from the genus Phyllanthus.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Analgesics; Animals; Arginine; Capsaicin; Clonidine; Male; Mice; Nitroarginine; Pain; Phenylephrine; Plant Extracts; Prazosin; Yohimbine | 1995 |
Unusual alpha-adrenoceptor subtype in canine saphenous vein: comparison to mesenteric vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dogs; Female; Humans; In Vitro Techniques; Male; Mesenteric Veins; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Receptors, Adrenergic, alpha; Saphenous Vein; Yohimbine | 1996 |
Further characterization of antagonism by alpha 2-adrenoceptor agonists of contractions induced by alpha 1-adrenoceptor agonists.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Animals; Aorta; Arteries; Clonidine; Dose-Response Relationship, Drug; Male; Muscle Contraction; Phenylephrine; Rats; Rats, Wistar | 1996 |
Different alpha1-adrenoceptor subtypes mediate contraction in rabbit aorta and urethra.
Topics: Animals; Aorta; Clonidine; Dose-Response Relationship, Drug; Kinetics; Male; Muscle Contraction; Norepinephrine; Phenylephrine; Rabbits; Receptors, Adrenergic, alpha-1; Urethra | 1995 |
alpha1-Adrenoceptor subtypes mediating antinatriuresis in Wistar and stroke-prone spontaneously hypertensive rats.
Topics: Animals; Clonidine; Diuresis; Hypertension; Male; Natriuresis; Phenylephrine; Piperazines; Rats; Rats, Inbred SHR; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 1995 |
The positive inotropic effect of alpha 1A-adrenoceptor stimulation is inhibited by 4-aminopyridine.
Topics: 4-Aminopyridine; Adrenergic alpha-Antagonists; Animals; Cardiotonic Agents; Clonidine; Dioxanes; Heart Atria; In Vitro Techniques; Male; Myocardial Contraction; Papillary Muscles; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Staurosporine | 1996 |
Characteristics of depression by clonidine of the pressor response to alpha 1-adrenoceptor agonists in pithed rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic beta-Antagonists; Animals; Blood Pressure; Clonidine; Decerebrate State; Dose-Response Relationship, Drug; Enzyme Inhibitors; Injections, Intravenous; Male; Methoxamine; Nitric Oxide Synthase; Phenylephrine; Rats; Rats, Wistar | 1996 |
Effect of indomethacin on the pituitary-adrenocortical response to adrenergic stimulation.
Topics: Adrenal Cortex; Adrenergic Agents; Animals; Clonidine; Corticosterone; Cyclooxygenase Inhibitors; Epinephrine; Indomethacin; Isoproterenol; Male; Norepinephrine; Phenylephrine; Pituitary Gland; Rats; Rats, Wistar | 1996 |
G-protein inhibition of phospholipase C-beta 1 in membranes: role of G-protein beta gamma subunits.
Topics: Animals; Carbachol; Cattle; Cell Membrane; Cerebral Cortex; Clonidine; Dose-Response Relationship, Drug; GTP-Binding Proteins; Guanosine 5'-O-(3-Thiotriphosphate); Guanosine Diphosphate; Isoenzymes; Liver; Membranes; Phenylephrine; Phospholipase C beta; Protein Conformation; Rats; Thionucleotides; Type C Phospholipases; Vasopressins | 1996 |
Effects of central alpha-adrenergic agonists on hormone-induced 3% NaCl and water intake.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Desoxycorticosterone; Drinking; Injections, Intraventricular; Male; Norepinephrine; Phenylephrine; Rats; Renin; Saline Solution, Hypertonic; Water | 1996 |
Pharmacological characterization of alpha 1-adrenoceptors in porcine uterine artery.
Topics: Animals; Arteries; Calcium; Clonidine; Estrus; Female; In Vitro Techniques; Nifedipine; Norepinephrine; Phenylephrine; Pregnancy; Pregnancy, Animal; Receptors, Adrenergic, alpha-1; Swine; Uterus | 1996 |
Alpha 1-adrenoceptor subtypes mediating inotropic and electrophysiological effects in mammalian myocardium.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Electric Conductivity; Electrophysiology; Female; Heart; Male; Myocardial Contraction; Papillary Muscles; Phenylephrine; Rabbits; Rats; Receptors, Adrenergic, alpha | 1996 |
Circadian melatonin rhythms in cultured zebrafish pineals are not affected by catecholamine receptor agonists.
Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Circadian Rhythm; Clonidine; Dopamine; Dopamine Agonists; Isoproterenol; Melatonin; Norepinephrine; Organ Culture Techniques; Phenylephrine; Photoperiod; Pineal Gland; Quinpirole; Radioimmunoassay; Time Factors; Zebrafish | 1997 |
Alpha 1-adrenergic receptor antibodies in patients with primary hypertension.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Adult; Aged; Amino Acid Sequence; Animals; Animals, Newborn; Autoantibodies; Blood Proteins; Cells, Cultured; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Female; Heart; Humans; Hypertension; Male; Middle Aged; Molecular Sequence Data; Peptides; Phenylephrine; Prazosin; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Vascular Resistance | 1997 |
Evidence for an age-dependent functional expression of alpha 1D-adrenoceptors in the rat vasculature.
Topics: Adrenergic alpha-Antagonists; Aging; Animals; Blood Pressure; Blood Vessels; Clonidine; Male; Phenylephrine; Piperazines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 1997 |
Effect of adrenaline and alpha-agonists on net rate of liquid absorption from the pleural space of rabbits.
Topics: Absorption; Adrenergic alpha-Agonists; Animals; Clonidine; Epinephrine; Hydrothorax; Phentolamine; Phenylephrine; Pleura; Rabbits | 1997 |
Alpha 1-adrenoceptor subtype involved in the positive and negative inotropic responses to phenylephrine in rat papillary muscle.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Calcium Channel Blockers; Carcinogens; Cardiotonic Agents; Clonidine; Dioxanes; Electrophysiology; In Vitro Techniques; Myocardial Contraction; Nifedipine; Papillary Muscles; Phenylephrine; Phorbol 12,13-Dibutyrate; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 1997 |
alpha-adrenoceptor subtype in the hypothalamic paraventricular nucleus involved in the regulation of urine production: comparison between Wistar Kyoto and spontaneously hypertensive rats.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dose-Response Relationship, Drug; Hypertension; Male; Microinjections; Norepinephrine; Paraventricular Hypothalamic Nucleus; Phenylephrine; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, alpha; Urine | 1997 |
Involvement of alpha1B-adrenoceptors in the positive inotropic effect of endogenous noradrenaline in rabbit myocardium.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Female; Male; Myocardial Contraction; Norepinephrine; Papillary Muscles; Phenylephrine; Propranolol; Rabbits; Receptors, Adrenergic, alpha-1; Stimulation, Chemical; Tyramine | 1997 |
Catecholaminergic regulation of proliferation and survival in rat forebrain paraventricular germinal cells.
Topics: Adrenergic alpha-Antagonists; Animals; Catecholamines; Cell Division; Cell Survival; Cells, Cultured; Clonidine; Dose-Response Relationship, Drug; Female; Immunohistochemistry; Paraventricular Hypothalamic Nucleus; Phenethylamines; Phenylephrine; Pregnancy; Prosencephalon; Radioligand Assay; Rats; Rats, Wistar; Stem Cells; Tetralones | 1997 |
Ventromedial hypothalamus lesions increase the dipsogenic responses and reduce the pressor responses to median preoptic area activation.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Angiotensin II; Animals; Blood Pressure; Catheterization; Clonidine; Drinking Behavior; Electrodes, Implanted; Isoproterenol; Male; Microinjections; Norepinephrine; Phenylephrine; Preoptic Area; Rats; Vasoconstrictor Agents; Ventromedial Hypothalamic Nucleus | 1997 |
Alpha 1-adrenoceptor mediated activation of Na/K/2Cl cotransport and K+ channels in the rat heart involves different receptor subtypes.
Topics: 4-Aminopyridine; Adrenergic alpha-Antagonists; Animals; Bumetanide; Carrier Proteins; Chlorides; Clonidine; Heart; In Vitro Techniques; Male; Myocardium; Phenylephrine; Piperazines; Potassium; Potassium Channels; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Sodium; Sodium-Potassium-Chloride Symporters | 1997 |
Clonidine antagonizes pressor effect of N-methyl-D-aspartate in the rostral ventrolateral medulla of rats.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Excitatory Amino Acid Agonists; Hypertension; Imidazoline Receptors; Isoproterenol; Male; Medulla Oblongata; Microinjections; N-Methylaspartate; Norepinephrine; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Drug | 1997 |
Role of beta-adrenoceptors in gastric mucosal integrity and gastroprotection induced by epidermal growth factor.
Topics: Adrenalectomy; Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Culture Techniques; Dinoprostone; Disease Models, Animal; Dose-Response Relationship, Drug; Epidermal Growth Factor; Epinephrine; Ethanol; Female; Gastric Mucosa; Isoproterenol; Male; Nitric Oxide; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, beta; Reference Values; Regional Blood Flow; Stomach Diseases | 1997 |
Involvement of alpha2-adrenoceptors in mediating sympathetic excitation of injured dorsal root ganglion neurons in rats with spinal nerve ligation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Ganglia, Spinal; Ligation; Male; Neurons; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Spinal Nerves; Yohimbine | 1997 |
Chloroethylclonidine and alpha-adrenoceptor agonist interaction in blood vessels following heart failure.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Clonidine; Dogs; Dose-Response Relationship, Drug; Heart Failure; In Vitro Techniques; Male; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Saphenous Vein | 1997 |
Investigation of alpha1-adrenoceptor subtypes mediating vasoconstriction in rabbit cutaneous resistance arteries.
Topics: Acetonitriles; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Imidazoles; In Vitro Techniques; Male; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Rabbits; Receptors, Adrenergic, alpha-1; Skin; Tetrahydronaphthalenes; Vascular Resistance; Vasoconstriction | 1997 |
Characterization of alpha-adrenoceptors in canine mesenteric vein.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dogs; Female; Male; Mesenteric Veins; Muscle Contraction; Muscle, Smooth, Vascular; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 1997 |
[Effect of treatment with dexamethasone on cardiovascular responses of adrenergic agents].
Topics: Adrenergic Agonists; Animals; Blood Pressure; Cardiovascular System; Clonidine; Dexamethasone; Female; Glucocorticoids; Isoproterenol; Male; Norepinephrine; Phenylephrine; Rats; Rats, Wistar | 1997 |
Expression and function of alpha1-adrenoceptor subtypes in the porcine renal artery.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Amino Acid Sequence; Animals; Base Sequence; Calcium; Clonidine; Female; Gene Expression; Male; Molecular Sequence Data; Muscle Contraction; Phenylephrine; Receptors, Adrenergic, alpha-1; Renal Artery; RNA, Messenger; Swine | 1998 |
Interaction between alpha-1 adrenergic and vagal effects on cardiac rate and repolarization.
Topics: Animals; Clonidine; Dioxanes; Electrocardiography; GTP-Binding Proteins; Guinea Pigs; Heart; Heart Rate; Male; Membrane Potentials; Phenylephrine; Receptors, Adrenergic, alpha-1; Vagus Nerve | 1998 |
Characterization of alpha1-adrenoceptor subtypes in facilitation of rat spinal motoneuron activity.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Bridged-Ring Compounds; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Electric Stimulation; Epinephrine; Male; Methoxamine; Motor Neurons; Norepinephrine; Oxazines; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Wistar; Spinal Cord | 1997 |
Opposing effects of alpha 1-adrenergic receptor subtypes on Ca2+ and pH homeostasis in rat cardiac myocytes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Dioxanes; Drug Combinations; Drug Synergism; Fluorescent Dyes; Homeostasis; Hydrogen; Hydrogen-Ion Concentration; Indoles; Male; Myocardial Contraction; Myocardium; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 1998 |
Pharmacological and immunocytochemical characterization of subtypes of alpha-1 adrenoceptors in dog aorta.
Topics: Animals; Aorta; Clonidine; Dioxanes; Dogs; Dose-Response Relationship, Drug; Immunohistochemistry; Indoles; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Spiro Compounds | 1998 |
Presynaptic inhibition by noradrenaline of the EPSC evoked in neonatal rat sympathetic preganglionic neurons.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic Fibers; Animals; Animals, Newborn; Clonidine; Excitatory Postsynaptic Potentials; Glutamic Acid; Norepinephrine; Organ Culture Techniques; Oxymetazoline; Patch-Clamp Techniques; Phenylephrine; Prazosin; Presynaptic Terminals; Rats; Receptors, Adrenergic, alpha-2; Spinal Cord | 1998 |
Alpha1-adrenergic stimulation of sarcolemmal Na+-H+ exchanger activity in rat ventricular myocytes: evidence for selective mediation by the alpha1A-adrenoceptor subtype.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cattle; Clonidine; Dioxanes; Heart Ventricles; Humans; Imidazoles; Kinetics; Myocardium; Phenylephrine; Piperazines; Prazosin; Rats; Receptors, Adrenergic, alpha-1; Sarcolemma; Sodium-Hydrogen Exchangers; Tetrahydronaphthalenes | 1998 |
Evidence for supraspinal nervous control of external anal sphincter motility in the cat.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Anal Canal; Animals; Blood Pressure; Brimonidine Tartrate; Cats; Clonidine; Efferent Pathways; Electric Stimulation; Electromyography; Enkephalin, Leucine; Female; Injections, Intravenous; Injections, Intraventricular; Injections, Spinal; Locus Coeruleus; Male; Morphine; Narcotics; Nicergoline; Norepinephrine; Peripheral Nerves; Phenylephrine; Prazosin; Quinoxalines; Reflex; Spinal Cord | 1998 |
Modulation of mechanically induced calcium waves in hippocampal astroglial cells. Inhibitory effects of alpha 1-adrenergic stimulation.
Topics: 1-Octanol; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Animals; Astrocytes; Calcium; Cells, Cultured; Clonidine; Enzyme Activation; Estrenes; Gap Junctions; Hippocampus; Isoproterenol; Phenylephrine; Protein Kinase C; Pyrrolidinones; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Type C Phospholipases | 1998 |
Clonidine and vasomotion physiology.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta; Calcium; Cattle; Clonidine; Drug Synergism; In Vitro Techniques; Muscle, Smooth, Vascular; Nifedipine; Phenylephrine; Yohimbine | 1998 |
Alpha1-adrenoceptor stimulation enhances experimental gastric carcinogenesis induced by N-methyl-N'-nitro-N-nitrosoguanidine in Wistar rats.
Topics: Adrenergic alpha-Agonists; Animals; Carcinogens; Clonidine; Gastric Mucosa; Incidence; Male; Metaraminol; Methylnitronitrosoguanidine; Mitotic Index; Ornithine Decarboxylase; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Stomach Neoplasms | 1998 |
Effects of noradrenergic agonists on superficial dorsal horn neurons in the cat spinal cord.
Topics: Adrenergic alpha-Agonists; Animals; Cats; Clonidine; Electric Conductivity; Neurons; Norepinephrine; Phenylephrine; Spinal Cord | 1998 |
Autonomic nervous control of venous pressure and secretion in submandibular gland of anesthetized dogs.
Topics: Acetylcholine; Anesthesia, General; Animals; Arteries; Autonomic Nervous System; Blood Pressure; Clonidine; Dogs; Electric Stimulation; Female; Isoproterenol; Jugular Veins; Male; Parasympathetic Nervous System; Phenobarbital; Phentolamine; Phenylephrine; Prazosin; Propranolol; Pulse; Regional Blood Flow; Saliva; Submandibular Gland; Vasoactive Intestinal Peptide; Veins; Yohimbine | 1998 |
Effects of the selective cyclooxygenase-2 inhibitor nimesulide on vascular contractions in endothelium-denuded rat aorta.
Topics: Animals; Aorta; Bridged Bicyclo Compounds, Heterocyclic; Clonidine; Cyclooxygenase 2; Cyclooxygenase 2 Inhibitors; Cyclooxygenase Inhibitors; Endothelin-1; Endothelium, Vascular; Fatty Acids, Unsaturated; Hydrazines; In Vitro Techniques; Indomethacin; Isoenzymes; Male; Muscle Contraction; Nifedipine; Phenylephrine; Potassium Chloride; Prostaglandin-Endoperoxide Synthases; Rats; Rats, Wistar; Sulfonamides | 1998 |
Enhanced in vivo alpha1- and alpha2-adrenoceptor-mediated venoconstriction with indomethacin in humans.
Topics: Adrenergic alpha-Agonists; Adult; Clonidine; Dinoprost; Dose-Response Relationship, Drug; Female; Humans; Indomethacin; Male; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction | 1998 |
Maturation and aging-related differences in responsiveness of rat aorta and carotid arteries to alpha1-adrenoceptor stimulation.
Topics: Adrenergic alpha-Antagonists; Aging; Analysis of Variance; Animals; Aorta, Thoracic; Carotid Arteries; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Drug Interactions; Male; Muscle, Smooth, Vascular; Phenylephrine; Potassium Chloride; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Vasoconstrictor Agents | 1998 |
Study of human serum albumin structure by dynamic light scattering: two types of reactions under different pH and interaction with physiologically active compounds.
Topics: Atropine; Carbachol; Chlorpromazine; Clonidine; Diphenhydramine; Humans; Hydrogen-Ion Concentration; Isoproterenol; Kinetics; N-Formylmethionine Leucyl-Phenylalanine; Phenylephrine; Propranolol; Protein Binding; Scattering, Radiation; Serum Albumin; Yohimbine | 1998 |
Alpha2-adrenoceptor-mediated enhancement of glycine response in rat sacral dorsal commissural neurons.
Topics: 1-Methyl-3-isobutylxanthine; Adenylate Cyclase Toxin; Adrenergic alpha-Agonists; Animals; Bucladesine; Clonidine; Colforsin; Cyclic AMP-Dependent Protein Kinases; Dose-Response Relationship, Drug; Electrophysiology; Glycine; Glycine Agents; GTP-Binding Proteins; Ion Channel Gating; Isoproterenol; Lumbosacral Region; Neurons, Afferent; Nociceptors; Norepinephrine; Pertussis Toxin; Phenylephrine; Phosphodiesterase Inhibitors; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Strychnine; Virulence Factors, Bordetella | 1999 |
Adrenoceptors modulate depressor responses of endothelin-1 into the superior colliculus of rats.
Topics: Acebutolol; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic beta-1 Receptor Agonists; Adrenergic beta-1 Receptor Antagonists; Albuterol; Animals; Blood Pressure; Clonidine; Dobutamine; Endothelin-1; Isoproterenol; Male; Microinjections; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta-1; Superior Colliculi | 1999 |
Altered alpha 1-adrenoceptor subtypes mediated cardiac function after treatment of propranolol to rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Clonidine; Heart Rate; Male; Myocardial Contraction; Phenylephrine; Piperazines; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Stimulation, Chemical | 1997 |
Characterization of alpha1-adrenoceptor subtypes mediating vasoconstriction in human umbilical vein.
Topics: Adrenergic Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Humans; In Vitro Techniques; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Umbilical Veins; Vasoconstriction; Vasoconstrictor Agents | 1999 |
Canine external carotid vasoconstriction to methysergide, ergotamine and dihydroergotamine: role of 5-HT1B/1D receptors and alpha2-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Carotid Arteries; Clonidine; Dihydroergotamine; Dogs; Ergotamine; Female; Hemodynamics; Male; Methysergide; Oxadiazoles; Phenylephrine; Piperazines; Prazosin; Receptor, Serotonin, 5-HT1B; Receptor, Serotonin, 5-HT1D; Receptors, Adrenergic, alpha-2; Receptors, Serotonin; Serotonin Antagonists; Sumatriptan; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 1999 |
Noradrenergic responses of neurones in the mediolateral part of the lateral septum: alpha1-adrenergic depolarization and rhythmic bursting activities, and alpha2-adrenergic hyperpolarization from guinea pig brain slices.
Topics: Action Potentials; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Electrophysiology; Female; Guinea Pigs; Neurons; Nickel; Norepinephrine; Organ Culture Techniques; Periodicity; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Septal Nuclei; Sodium; Tetraethylammonium; Tetrodotoxin; Yohimbine | 1999 |
Adrenergic sensitivity of the sensory receptors modulating mechanical allodynia in a rat neuropathic pain model.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Causalgia; Clonidine; Idazoxan; Male; Neurons, Afferent; Norepinephrine; Phenylephrine; Physical Stimulation; Rats; Rats, Sprague-Dawley; Spinal Nerves; Sympathectomy; Sympathetic Nervous System; Yohimbine | 1999 |
Endothelium-dependent vasodilatation, plasma markers of endothelial function, and adrenergic vasoconstrictor responses in type 1 diabetes under near-normoglycemic conditions.
Topics: Adrenergic alpha-Agonists; Adult; Biomarkers; Blood Glucose; Clonidine; Diabetes Mellitus, Type 1; Endothelium, Vascular; Female; Forearm; Humans; Male; Middle Aged; Multivariate Analysis; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Regression Analysis; Vasoconstrictor Agents; Vasodilation | 1999 |
Preconditioning prevents the negative inotropic action of phenylephrine in rat isolated stunned papillary muscle.
Topics: Adrenergic alpha-Antagonists; Animals; Cardiotonic Agents; Clonidine; Dioxanes; Female; Ischemic Preconditioning, Myocardial; Isoproterenol; Male; Muscle Contraction; Papillary Muscles; Phenylephrine; Rats; Rats, Wistar; Reperfusion Injury; Yohimbine | 1999 |
Blockade of nitric oxide formation impairs adrenergic-induced ACTH and corticosterone secretion.
Topics: Adrenergic Agonists; Adrenocorticotropic Hormone; Animals; Clonidine; Corticosterone; Enzyme Inhibitors; Hypothalamo-Hypophyseal System; Isoproterenol; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Phenylephrine; Pituitary-Adrenal System; Rats; Rats, Wistar; Receptors, Adrenergic | 1999 |
Stimulatory effect of beta-adrenergic agonists on ileal L cell secretion and modulation by alpha-adrenergic activation.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Epinephrine; Glucagon; Glucagon-Like Peptide 1; Isoproterenol; Peptide Fragments; Peptide YY; Phenylephrine; Prazosin; Protein Precursors; Rats; Rats, Wistar | 1999 |
Direct effects of alpha1- and alpha2-adrenergic agonists on spinal and cerebral pial vessels in dogs.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Animals; Arterioles; Brain; Cerebrovascular Circulation; Clonidine; Dogs; Dose-Response Relationship, Drug; Epinephrine; Imidazoles; Medetomidine; Phenylephrine; Spinal Cord; Vasoconstriction | 1999 |
Evaluation of alpha1-adrenoceptors in the rabbit iris: pharmacological characterization and expression of mRNA.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Dose-Response Relationship, Drug; Gene Expression; In Vitro Techniques; Indoles; Iris; Male; Muscle Contraction; Norepinephrine; Oxymetazoline; Phenylephrine; Prazosin; Rabbits; Receptors, Adrenergic, alpha-1; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Tritium | 1999 |
Decreased responsiveness of vascular postjunctional alpha1-, alpha2-adrenoceptors and neuropeptide Y1 receptors in rats with heart failure.
Topics: Adrenergic alpha-Agonists; Animals; Atrial Natriuretic Factor; Autonomic Fibers, Preganglionic; Azepines; Blood Pressure; Cardiac Output; Catecholamines; Clonidine; Decerebrate State; Electric Stimulation; Heart Failure; Male; Myocardial Infarction; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Neuropeptide Y | 1999 |
Autonomic function in hypertensive patients with neurovascular compression of the ventrolateral medulla oblongata.
Topics: Adult; Aged; Autonomic Nervous System; Baroreflex; Blood Pressure; Circadian Rhythm; Clonidine; Female; Humans; Hypertension; Magnetic Resonance Angiography; Magnetic Resonance Imaging; Male; Medulla Oblongata; Middle Aged; Nerve Compression Syndromes; Norepinephrine; Phenylephrine | 1999 |
Oxytocin enhances the effects of clonidine on blood pressure and locomotor activity in rats.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Behavior, Animal; Blood Pressure; Clonidine; Drug Synergism; Heart Rate; Idazoxan; Injections, Intraventricular; Locomotion; Locus Coeruleus; Male; Motor Activity; Oxytocin; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Sympathetic Nervous System | 1999 |
Characterisation of alpha1B-adrenoceptors linked to inositol phosphate formation and calcium mobilisation in human astrocytoma U373 MG cells.
Topics: Adrenergic alpha-Antagonists; Astrocytoma; Calcium; Cell Membrane; Clonidine; Dihydropyridines; Dioxanes; Dose-Response Relationship, Drug; Humans; Inositol Phosphates; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Thymidine; Tumor Cells, Cultured | 1999 |
Differences in the electrophysiologic response of four canine ventricular cell types to alpha 1-adrenergic agonists.
Topics: Action Potentials; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Analysis of Variance; Animals; Clonidine; Dioxanes; Dogs; Dose-Response Relationship, Drug; Endocardium; Heart Ventricles; In Vitro Techniques; Methoxamine; Microelectrodes; Pericardium; Phenylephrine; Prazosin; Propranolol; Purkinje Fibers | 1999 |
Selective suppression of horizontal propagation in rat visual cortex by norepinephrine.
Topics: 2-Amino-5-phosphonovalerate; 6-Cyano-7-nitroquinoxaline-2,3-dione; Animals; Clonidine; Image Processing, Computer-Assisted; In Vitro Techniques; Isoproterenol; Membrane Potentials; Neurons; Norepinephrine; Patch-Clamp Techniques; Phenylephrine; Pyramidal Cells; Rats; Rats, Long-Evans; Reaction Time; Tetrodotoxin; Visual Cortex | 2000 |
Cutaneous blood flow and adrenoceptor response increase in segmental-type vitiligo lesions.
Topics: Adolescent; Adult; Blood Flow Velocity; Case-Control Studies; Child; Clonidine; Epinephrine; Female; Humans; Laser-Doppler Flowmetry; Male; Norepinephrine; Phenylephrine; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Skin; Vasoconstriction; Vitiligo | 2000 |
Role of alpha-1 adrenoceptor subtypes mediating constriction of the rabbit ear thermoregulatory microvasculature.
Topics: Animals; Arteriovenous Anastomosis; Body Temperature Regulation; Clonidine; Dose-Response Relationship, Drug; Ear; Male; Microcirculation; Phenylephrine; Piperazines; Rabbits; Receptors, Adrenergic, alpha-1; Vasoconstriction | 2000 |
Effect of aspirin on the contractility of aortic smooth muscle and the course of blood pressure development in male spontaneously hypertensive rats.
Topics: Animals; Aorta; Arachidonic Acids; Aspirin; Blood Pressure; Calcium; Calcium Signaling; Cell Membrane Permeability; Clonidine; Endothelium, Vascular; Hypertension; Injections, Intraperitoneal; Ion Transport; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Potassium Chloride; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Receptors, Adrenergic, beta | 1998 |
Interactions between phenylephrine, clonidine and xylazine in rat and rabbit aortas.
Topics: Adrenergic alpha-Agonists; Animals; Aorta; Clonidine; Dose-Response Relationship, Drug; Drug Interactions; Phenylephrine; Rabbits; Rats; Vasodilation; Xylazine | 2000 |
The influence of indomethacin on the acth secretion induced by central stimulation of adrenergic receptors.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Adrenocorticotropic Hormone; Animals; Brain; Clenbuterol; Clonidine; Cyclooxygenase Inhibitors; Indomethacin; Injections, Intraperitoneal; Injections, Intraventricular; Isoproterenol; Male; Phenylephrine; Rats; Rats, Wistar | 2000 |
Smooth muscle and parasympathetic nerve terminals in the rat urinary bladder have different subtypes of alpha(1) adrenoceptors.
Topics: Acetylcholine; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Muscle, Smooth; Parasympathetic Nervous System; Phenylephrine; Rats; Receptors, Adrenergic, alpha-1; Time Factors; Urinary Bladder | 2000 |
Involvement of adrenergic and cholinergic systems in nicotine-induced anxiogenesis in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Anxiety; Atropine; Clonidine; Hexamethonium; Male; Mecamylamine; Mice; Muscarinic Antagonists; Nicotine; Nicotinic Agonists; Nicotinic Antagonists; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Yohimbine | 2000 |
Exercise attenuates alpha-adrenergic-receptor responsiveness in skeletal muscle vasculature.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dogs; Femoral Artery; Hemodynamics; Hindlimb; Iliac Artery; Injections, Intra-Arterial; Motor Activity; Muscle, Skeletal; Phenylephrine; Receptors, Adrenergic, alpha; Regional Blood Flow; Sympathectomy | 2001 |
Alpha-adrenergic agonists inhibit the dipsogenic effect of angiotensin II by their stimulation of atrial natriuretic peptide release.
Topics: Adrenergic alpha-Agonists; Angiotensin II; Animals; Atrial Natriuretic Factor; Clonidine; Dose-Response Relationship, Drug; Drinking; Hypothalamus; Injections, Intraventricular; Male; Neurons; Phenylephrine; Rats; Rats, Wistar; Sodium Chloride; Water-Electrolyte Balance | 2001 |
Pertussis toxin-sensitive and -insensitive mechanisms of alpha1-adrenoceptor-mediated inotropic responses in rat heart.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Drug Interactions; Male; Myocardial Contraction; Pertussis Toxin; Phenylephrine; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha; Vasoconstrictor Agents; Vasodilator Agents; Virulence Factors, Bordetella | 2001 |
The alpha(1A)-adrenoceptor subtype mediates contraction in rat femoral resistance arteries.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Femoral Artery; Imidazoles; In Vitro Techniques; Isoquinolines; Male; Naphthyridines; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Tetrahydronaphthalenes; Vascular Resistance; Vasoconstriction | 2001 |
An isobolographic analysis of the adrenergic modulation of diclofenac antinociception.
Topics: Adrenergic Agents; Analgesics; Animals; Anti-Inflammatory Agents, Non-Steroidal; Clonidine; Diclofenac; Dose-Response Relationship, Drug; Drug Synergism; Mice; Phenylephrine; Prazosin; Yohimbine | 2001 |
Characterization of alpha1-adrenoceptor-mediated contraction in the mouse thoracic aorta.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Buspirone; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Epinephrine; In Vitro Techniques; Male; Methoxamine; Mice; Models, Biological; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Serotonin Receptor Agonists; Statistics as Topic; Vasoconstriction | 2001 |
Abrogation of alpha-adrenergic vasoactivity in chronically inflamed rat knee joints.
Topics: Administration, Topical; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Vessels; Chronic Disease; Clonidine; Dose-Response Relationship, Drug; Drug Resistance; Freund's Adjuvant; Hindlimb; Inflammation; Joint Capsule; Male; Methoxamine; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction | 2001 |
Alpha-2 and beta-adrenergic receptors mediate NE's biphasic effects on rat thick ascending limb chloride flux.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Chlorides; Clonidine; Dose-Response Relationship, Drug; In Vitro Techniques; Isoproterenol; Kidney Medulla; Loop of Henle; Male; Norepinephrine; Phenylephrine; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta; Yohimbine | 2001 |
Effect of repeated treatment with tianeptine and fluoxetine on the central alpha(1)-adrenergic system.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Aggression; Animals; Binding, Competitive; Brain Chemistry; Cerebral Cortex; Clonidine; Exploratory Behavior; Fluoxetine; Hyperkinesis; Male; Methoxamine; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Selective Serotonin Reuptake Inhibitors; Thiazepines | 2001 |
Existence of alpha(1A)- and alpha(1B)-adrenoceptor subtypes in canine mandibular alveolar arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Alveolar Process; Animals; Arteries; Clonidine; Dioxanes; Dogs; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Male; Mandible; Norepinephrine; Phenylephrine; Piperazines; Prazosin; Receptors, Adrenergic, alpha-1; Vasoconstriction; Xylazine; Yohimbine | 2001 |
Interaction between the antinociceptive effect of ketoprofen and adrenergic modulatory systems.
Topics: Adrenergic alpha-Agonists; Analgesics; Animals; Clonidine; Cyclooxygenase Inhibitors; Dose-Response Relationship, Drug; Drug Antagonism; Drug Interactions; Injections, Intraperitoneal; Ketoprofen; Mice; Phenylephrine; Prazosin | 2001 |
Norepinephrine induces apoptosis in skin melanophores by attenuating cAMP-PKA signals via alpha2-adrenoceptors in the medaka, Oryzias latipes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Apoptosis; Clonidine; Colforsin; Culture Techniques; Cyclic AMP; Cyclic AMP-Dependent Protein Kinases; Cysteine Proteinase Inhibitors; Isoquinolines; Melanophores; Norepinephrine; Oligopeptides; Oryzias; Phenylephrine; Prazosin; Protein Isoforms; Receptors, Adrenergic, alpha-2; Signal Transduction; Skin; Skin Pigmentation; Sulfonamides; Yohimbine | 2001 |
Intracellular alkalinization augments alpha(1)-adrenoceptor-mediated vasoconstriction by promotion of Ca(2+) entry through the non-L-type Ca(2+) channels.
Topics: Adrenergic alpha-Agonists; Ammonium Chloride; Animals; Aorta; Calcium; Calcium Channel Blockers; Calcium Channels, L-Type; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Guinea Pigs; Hydrogen-Ion Concentration; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Phorbol 12,13-Dibutyrate; Potassium Chloride; Propionates; Receptors, Adrenergic, alpha-1; Vasoconstriction; Verapamil | 2001 |
Direct actions of adrenergic agents on rat anterior pituitary cells.
Topics: Adrenergic Agents; Adrenocorticotropic Hormone; Animals; Calcium; Cells, Cultured; Clonidine; Colforsin; Corticotropin-Releasing Hormone; Culture Media; Epinephrine; Follicle Stimulating Hormone; Growth Hormone; Growth Hormone-Releasing Hormone; Isoproterenol; Luteinizing Hormone; Male; Phenylephrine; Pituitary Gland, Anterior; Prazosin; Prolactin; Propranolol; Rats; Thyrotropin | 2001 |
Clonidine-induced nitric oxide-dependent vasorelaxation mediated by endothelial alpha(2)-adrenoceptor activation.
Topics: 3',5'-Cyclic-GMP Phosphodiesterases; Acetylcholine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Cyclic GMP; Cyclic Nucleotide Phosphodiesterases, Type 5; Dose-Response Relationship, Drug; Endothelium, Vascular; Enzyme Inhibitors; Guanylate Cyclase; In Vitro Techniques; Mesenteric Arteries; Nitric Oxide; Nitroarginine; Oxadiazoles; Oxidopamine; Phenylephrine; Phosphodiesterase Inhibitors; Phosphoric Diester Hydrolases; Piperazines; Purines; Quinoxalines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Saponins; Sildenafil Citrate; Solubility; Sulfones; Sympatholytics; Time Factors; Vascular Resistance; Vasodilation; Vasodilator Agents; Yohimbine | 2001 |
Noradrenaline stimulates 5-hydroxytryptamine release from mouse ileal tissues via alpha(2)-adrenoceptors.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Brimonidine Tartrate; Clonidine; Ileum; In Vitro Techniques; Male; Methoxamine; Mice; Mice, Inbred ICR; Norepinephrine; Pertussis Toxin; Phenylephrine; Quinazolines; Quinoxalines; Receptors, Adrenergic, alpha-2; Serotonin; Virulence Factors, Bordetella; Yohimbine | 2001 |
Involvement of constitutive (COX-1) and inducible cyclooxygenase (COX-2) in the adrenergic-induced ACTH and corticosterone secretion.
Topics: Adrenocorticotropic Hormone; Animals; Clenbuterol; Clonidine; Corticosterone; Corticotropin-Releasing Hormone; Cyclooxygenase 1; Cyclooxygenase 2; Hypothalamo-Hypophyseal System; Isoenzymes; Isoproterenol; Male; Membrane Proteins; Phenylephrine; Pituitary-Adrenal System; Prostaglandin-Endoperoxide Synthases; Rats; Rats, Wistar; Receptors, Adrenergic | 2001 |
Alpha-adrenoreceptor activation modulates swimming via glycinergic and GABAergic inhibitory pathways in Xenopus laevis tadpoles.
Topics: Adrenergic alpha-Agonists; Animals; Bicuculline; Clonidine; GABA Antagonists; GABA-A Receptor Antagonists; gamma-Aminobutyric Acid; Glycine; Glycine Agents; Larva; Motor Neurons; Neural Inhibition; Norepinephrine; Periodicity; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, GABA-A; Receptors, Glycine; Spinal Cord; Strychnine; Swimming; Xenopus laevis | 2002 |
Adrenergic regulation of catecholamine secretion from trout (Oncorhynchus mykiss) chromaffin cells.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Albuterol; Analysis of Variance; Angiotensin II; Animals; Carbachol; Catecholamines; Chromaffin Cells; Clonidine; Dobutamine; Electric Stimulation; Epinephrine; Female; Male; Nadolol; Norepinephrine; Oncorhynchus mykiss; Perfusion; Phentolamine; Phenylephrine; Receptors, Cholinergic; Vasoactive Intestinal Peptide | 2002 |
Existence of functional alpha1A- and alpha1D- but no alpha1B-adrenoceptor subtypes in rat common carotid arteries.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carotid Arteries; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Male; Methoxamine; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Vasoconstriction | 2002 |
Pre- and postjunctional alpha(2)-adrenergic receptors in fetal and adult ovine cerebral arteries.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Age Factors; Animals; Binding, Competitive; Brimonidine Tartrate; Cerebral Arteries; Clonidine; Dose-Response Relationship, Drug; Female; Fetus; Idazoxan; Middle Cerebral Artery; Norepinephrine; Phenylephrine; Pregnancy; Quinoxalines; Receptors, Adrenergic, alpha-2; Sheep; Tetrodotoxin; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 2002 |
Prior iontophoresis of saline enhances vasoconstriction to phenylephrine and clonidine in the skin of the human forearm.
Topics: Administration, Cutaneous; Adolescent; Adrenergic alpha-Agonists; Adult; Clonidine; Female; Forearm; Humans; Iontophoresis; Male; Phenylephrine; Prazosin; Skin; Sodium Chloride; Vasoconstriction; Yohimbine | 2002 |
The role of alpha-adrenoceptors in the amnestic effect of intracerebroventricular dexamethasone.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Amnesia; Animals; Avoidance Learning; Clonidine; Dexamethasone; Dose-Response Relationship, Drug; Injections, Intraventricular; Male; Memory; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Yohimbine | 2002 |
Effects of norepinephrine on rat cultured microglial cells that express alpha1, alpha2, beta1 and beta2 adrenergic receptors.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Cells, Cultured; Clonidine; Cyclic AMP; Dobutamine; Dose-Response Relationship, Drug; Exoribonucleases; Interleukin-6; Microglia; Nitrites; Norepinephrine; Oligonucleotides, Antisense; Phenylephrine; Rats; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta-1; Receptors, Adrenergic, beta-2; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Terbutaline; Tumor Necrosis Factor-alpha | 2002 |
Method for simultaneous recording of the prostatic contractile and urethral pressure responses in anesthetized rats and the effects of tamsulosin.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Electric Stimulation; Male; Muscle Contraction; Muscle, Smooth; Phenylephrine; Pressure; Prostate; Rats; Rats, Wistar; Sulfonamides; Tamsulosin; Urethra | 2002 |
Modulatory effects of alpha1-,alpha2-, and beta -receptor agonists on feline spinal interneurons with monosynaptic input from group I muscle afferents.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Afferent Pathways; Animals; Cats; Clonidine; Evoked Potentials, Motor; Female; Interneurons; Isoproterenol; Male; Mechanoreceptors; Muscle Spindles; Muscle, Skeletal; Neural Inhibition; Phenylephrine; Spinal Cord; Synaptic Transmission | 2003 |
Evidence for the role of alpha1D- and alpha1A-adrenoceptors in contraction of the rat mesenteric artery.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; In Vitro Techniques; Male; Mesenteric Arteries; Methoxamine; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxymetazoline; Phenylephrine; Piperazines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 2003 |
Adrenoceptor mechanisms underlying imipramine-induced memory deficits in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic Uptake Inhibitors; Animals; Antidepressive Agents, Tricyclic; Avoidance Learning; Clonidine; Dose-Response Relationship, Drug; Electroshock; Hippocampus; Imipramine; Male; Memory; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2003 |
Role of specific adrenergic receptors in mediating the adrenocorticotropic hormone response to increased nitric oxide levels.
Topics: Adrenal Glands; Adrenergic Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Adrenocorticotropic Hormone; Animals; Clonidine; Dobutamine; Hypothalamus; Injections, Intraventricular; Male; Molsidomine; Nitric Oxide; Nitric Oxide Donors; Norepinephrine; Phenylephrine; Pituitary Gland; Prazosin; Propranolol; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic | 2003 |
Alpha-adrenergic vascular responsiveness during postexercise hypotension in humans.
Topics: Adrenergic alpha-Agonists; Adult; Bicycling; Blood Pressure; Blood Vessels; Clonidine; Exercise; Female; Forearm; Humans; Hypotension; Leg; Male; Phenylephrine; Regional Blood Flow | 2003 |
Effects of imipramine on the expression and development of morphine dependence in mice.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic Uptake Inhibitors; Animals; Clonidine; Dose-Response Relationship, Drug; Imipramine; Injections, Subcutaneous; Male; Mice; Morphine; Morphine Dependence; Motor Activity; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Yohimbine | 2003 |
No alpha-adrenoreceptor-induced C-fiber activation in healthy human skin.
Topics: Adrenergic alpha-Agonists; Adult; Axons; Clonidine; Dose-Response Relationship, Drug; Female; Humans; Laser-Doppler Flowmetry; Male; Microdialysis; Middle Aged; Nerve Fibers, Unmyelinated; Norepinephrine; Phenylephrine; Receptors, Adrenergic, alpha; Reference Values; Reflex; Skin; Vasoconstriction | 2004 |
Tail arteries from chronically spinalized rats have potentiated responses to nerve stimulation in vitro.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Autonomic Dysreflexia; Chronic Disease; Clonidine; Electric Stimulation; Female; Idazoxan; In Vitro Techniques; Phenylephrine; Potassium; Prazosin; Rats; Rats, Wistar; Spinal Cord Injuries; Tail; Vasoconstriction | 2004 |
Effect of the wake-promoting agent modafinil on sleep-promoting neurons from the ventrolateral preoptic nucleus: an in vitro pharmacologic study.
Topics: Animals; Benzhydryl Compounds; Carbachol; Cholinergic Agonists; Clonidine; Electrophysiology; Fluoxetine; Histamine; In Vitro Techniques; Modafinil; Neurons; Neuroprotective Agents; Norepinephrine; Phenylephrine; Rats; Rats, Sprague-Dawley; Serotonin; Sleep; Sympathomimetics; Visual Pathways; Wakefulness | 2004 |
Role of nitric oxide in exercise sympatholysis.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Dogs; Enzyme Inhibitors; Hemodynamics; Hindlimb; Muscle, Skeletal; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Phenylephrine; Physical Exertion; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Regional Blood Flow; Rest; Sympathetic Nervous System; Vasoconstrictor Agents; Vasopressins | 2004 |
Alpha-2 adrenergic transmission and human baroreflex regulation.
Topics: Action Potentials; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Adrenergic beta-Antagonists; Adult; Antihypertensive Agents; Baroreflex; Blood Pressure; Bradycardia; Cardiotonic Agents; Clonidine; Cold Temperature; Drug Interactions; Heart Rate; Humans; Male; Middle Aged; Nitroprusside; Parasympathetic Nervous System; Peroneal Nerve; Phenylephrine; Pressoreceptors; Propranolol; Receptors, Adrenergic, alpha-2; Stroke Volume; Sympathetic Nervous System; Vasomotor System | 2004 |
Enhanced arteriolar alpha-adrenergic constriction impairs dilator responses and skeletal muscle perfusion in obese Zucker rats.
Topics: Adrenergic alpha-Agonists; Animals; Arterioles; Clonidine; Male; Metabolic Syndrome; Muscle, Skeletal; Obesity; Phenylephrine; Prazosin; Rats; Rats, Zucker; Receptors, Adrenergic, alpha; Regional Blood Flow; Vasoconstrictor Agents; Vasodilation | 2004 |
The effect of combined treatment with imipramine and amantadine on the behavioral reactivity of central alpha1-adrenergic system in rats.
Topics: Administration, Oral; Adrenergic alpha-1 Receptor Agonists; Aggression; Amantadine; Amphetamine; Animals; Antidepressive Agents, Tricyclic; Behavior, Animal; Binding, Competitive; Cerebral Cortex; Clonidine; Drug Interactions; Drug Therapy, Combination; Exploratory Behavior; Hyperkinesis; Imipramine; Male; Motor Activity; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1 | 2004 |
The contribution of adrenoceptor subtype(s) in the renal vasculature of diabetic spontaneously hypertensive rats.
Topics: Animals; Blood Glucose; Clonidine; Diabetes Mellitus, Experimental; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Administration Schedule; Electric Stimulation; Infusions, Intravenous; Injections, Intraperitoneal; Injections, Intravenous; Kidney; Kidney Cortex; Malaysia; Male; Methoxamine; Muscle, Smooth, Vascular; Nitrendipine; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Inbred SHR; Receptors, Adrenergic, alpha-1; Streptozocin; Time Factors; Vasoconstriction | 2004 |
Effects of androgen manipulation on alpha1-adrenoceptor subtypes in the rat seminal vesicle.
Topics: Adrenergic alpha-1 Receptor Antagonists; Analysis of Variance; Androgens; Animals; Autoradiography; Barium Compounds; Chlorides; Clonidine; Cyproterone Acetate; Dioxanes; Gene Expression Regulation; Male; Orchiectomy; Organ Size; Phenylephrine; Piperazines; Quinazolines; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; RNA, Messenger; Seminal Vesicles; Testosterone | 2004 |
Noradrenergic regulation of prolactin secretion at the level of the paraventricular nucleus of the hypothalamus: functional significance of the alpha-1b and beta-adrenergic receptor subtypes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Clonidine; Cricetinae; Dose-Response Relationship, Drug; Isoproterenol; Male; Norepinephrine; Paraventricular Hypothalamic Nucleus; Phenylephrine; Prolactin; Propranolol; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta | 2004 |
Norepinephrine increases alveolar fluid reabsorption and Na,K-ATPase activity.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Amiloride; Animals; Biological Transport; Clonidine; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Evaluation, Preclinical; Male; Norepinephrine; Octopamine; Ouabain; Phenylephrine; Prazosin; Propranolol; Pulmonary Alveoli; Pulmonary Edema; Rats; Rats, Sprague-Dawley; Sodium-Potassium-Exchanging ATPase; Up-Regulation; Water-Electrolyte Balance; Yohimbine | 2004 |
Noradrenergic inputs mediate state dependence of auditory responses in the avian song system.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Adrenergic Fibers; Animals; Arousal; Auditory Perception; Clonidine; Dose-Response Relationship, Drug; Finches; Guanabenz; Idazoxan; Imidazoles; Isoproterenol; Male; Norepinephrine; Oxathiins; Phenylephrine; Propanolamines; Prosencephalon; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta-2; Vocalization, Animal; Yohimbine | 2004 |
Effect of neonatal isolation on the noradrenergic transduction system in the rat hippocampal slice.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Animals, Newborn; Calcium; Clonidine; Female; Hippocampus; In Vitro Techniques; Isoproterenol; Norepinephrine; Phenylephrine; Pregnancy; Rats; Rats, Sprague-Dawley; Social Isolation | 2004 |
Chronic decentralization potentiates neurovascular transmission in the isolated rat tail artery, mimicking the effects of spinal transection.
Topics: Animals; Arteries; Clonidine; Dose-Response Relationship, Drug; Female; In Vitro Techniques; Lumbar Vertebrae; Phenylephrine; Rats; Rats, Wistar; Spinal Cord; Spinal Cord Injuries; Synaptic Transmission; Tail | 2004 |
Direct and indirect inhibition by catecholamines of hypocretin/orexin neurons.
Topics: Action Potentials; Adrenergic alpha-Agonists; Aging; Animals; Calcium Channels; Catecholamines; Clonidine; G Protein-Coupled Inwardly-Rectifying Potassium Channels; Hypothalamus; Intracellular Signaling Peptides and Proteins; Membrane Potentials; Mice; Mice, Transgenic; Neural Inhibition; Neurons; Neuropeptides; Norepinephrine; Orexin Receptors; Orexins; Patch-Clamp Techniques; Phenylephrine; Potassium Channels, Inwardly Rectifying; Receptors, Adrenergic; Receptors, G-Protein-Coupled; Receptors, Neuropeptide; Tissue Culture Techniques | 2005 |
Effects of norepinephrine on alpha-subtype receptors in the feline pulmonary vascular bed.
Topics: 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Angiotensin II; Animals; Cats; Clonidine; Dose-Response Relationship, Drug; Drug Antagonism; Drug Evaluation, Preclinical; Ephedrine; Female; Injections, Intra-Arterial; Injections, Intravenous; Male; Norepinephrine; Phenylephrine; Piperazines; Pulmonary Artery; Pulmonary Circulation; Receptors, Adrenergic, alpha-1; Vascular Resistance; Vasoconstrictor Agents | 2004 |
Clonidine induces rat aorta relaxation by nitric oxide-dependent and -independent mechanisms.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; Dinoprost; Dose-Response Relationship, Drug; Endothelium-Dependent Relaxing Factors; Endothelium, Vascular; Indomethacin; Muscle, Smooth, Vascular; NG-Nitroarginine Methyl Ester; Nitric Oxide; Ouabain; Phenylephrine; Potassium Chloride; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Vasodilation | 2004 |
Role of nitric oxide and alpha-adrenergic receptor responsiveness in exercising skeletal muscle.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Dogs; Enzyme Inhibitors; Hemodynamics; Hindlimb; Muscle, Skeletal; Nerve Tissue Proteins; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type I; Phenylephrine; Physical Exertion; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Regional Blood Flow; Rest; Sympathetic Nervous System; Vasoconstrictor Agents; Vasopressins | 2005 |
Effects of alpha- and beta-adrenergic agonists on Toxoplasma gondii infection in murine macrophages.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Animals; Cells, Cultured; Clonidine; Humans; Isoproterenol; Macrophages; Mice; Phentolamine; Phenylephrine; Receptors, Adrenergic, alpha-2; Toxoplasma; Yohimbine | 2005 |
Fentanyl attenuates alpha1B-adrenoceptor-mediated pulmonary artery contraction.
Topics: Anesthetics, Intravenous; Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Fentanyl; Hydrogen-Ion Concentration; In Vitro Techniques; Phenylephrine; Piperazines; Prazosin; Pulmonary Artery; Receptors, Adrenergic, alpha-1; Vasoconstriction | 2005 |
Rho kinase inhibitors reduce neurally evoked contraction of the rat tail artery in vitro.
Topics: 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine; Adenosine Triphosphate; Adrenergic alpha-Antagonists; Amides; Animals; Arteries; Clonidine; Electric Stimulation; Electrophysiology; Female; Idazoxan; In Vitro Techniques; Indoles; Intracellular Signaling Peptides and Proteins; Phenylephrine; Prazosin; Protein Kinase Inhibitors; Protein Serine-Threonine Kinases; Purinergic P2 Receptor Antagonists; Pyridines; Rats; Rats, Wistar; rho-Associated Kinases; Suramin; Tail; Vasoconstriction | 2005 |
Critical involvement of dopaminergic neurotransmission in impulsive decision making.
Topics: Adrenergic alpha-Agonists; Adrenergic Uptake Inhibitors; Animals; Behavior, Animal; Choice Behavior; Clonidine; Desipramine; Dopamine; Dopamine Antagonists; Dopamine Uptake Inhibitors; Dose-Response Relationship, Drug; Drug Interactions; Impulsive Behavior; Male; Norepinephrine; Phenylephrine; Rats; Rats, Wistar; Reward | 2006 |
Alpha-adrenergic modulation of synaptic transmission in rabbit pancreatic ganglia.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Excitatory Postsynaptic Potentials; Female; Fluoxetine; Ganglia, Autonomic; Guanethidine; Male; Neural Inhibition; Norepinephrine; Pancreas; Phenylephrine; Rabbits; Receptors, Adrenergic; Synaptic Transmission; Yohimbine | 2005 |
Activation of subfornical organ neurons in rats through pre- and postsynaptic alpha-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Animals; Clonidine; Excitatory Amino Acid Antagonists; GABA Antagonists; Gene Expression; In Vitro Techniques; Isoproterenol; Male; Membrane Potentials; Neurons; Norepinephrine; Patch-Clamp Techniques; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Presynaptic; Sodium-Calcium Exchanger; Subfornical Organ; Tetrodotoxin | 2006 |
[Role of alpha-adrenergic receptors in vascular hyperreactivity in rats with high level spinal injury].
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Abdominal; Clonidine; Disease Models, Animal; Female; Male; Phenylephrine; Random Allocation; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; RNA, Messenger; Spinal Cord Injuries | 2006 |
Acute lead exposure and contraction of rat isolated aorta induced by D1-dopaminergic and alpha-adrenergic drugs.
Topics: Adrenergic alpha-Agonists; Analysis of Variance; Animals; Aorta; Benzazepines; Cardiotonic Agents; Clonidine; Dopamine; Dose-Response Relationship, Drug; Lead; Male; Muscle, Smooth, Vascular; Phenylephrine; Prazosin; Rats; Rats, Wistar; Yohimbine | 2006 |
Alpha1L-adrenoceptors mediate contractions of the isolated mouse prostate.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Analysis of Variance; Animals; Clonidine; Dioxanes; Dopamine; Dose-Response Relationship, Drug; Epinephrine; In Vitro Techniques; Indoles; Isoproterenol; Male; Mice; Muscle Contraction; Norepinephrine; Phenylephrine; Prazosin; Prostate; Receptors, Adrenergic, alpha-1; Yohimbine | 2006 |
Clonidine inhibits the canine external carotid vasodilatation to capsaicin by alpha2A/2C-adrenoceptors.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Flow Velocity; Blood Pressure; Calcitonin Gene-Related Peptide; Capsaicin; Carotid Artery, External; Clonidine; Dogs; Dose-Response Relationship, Drug; Heart Rate; Imidazoles; Indoles; Isoindoles; Male; Phenylephrine; Quinolizines; Receptors, Adrenergic, alpha-2; Reproducibility of Results; Vasodilation; Yohimbine | 2006 |
The contribution of alpha-1 and alpha-2 adrenoceptors in peripheral imidazoline and adrenoceptor agonist-induced nociception.
Topics: Adrenergic alpha-Agonists; Agmatine; Analgesics; Animals; Clonidine; Dose-Response Relationship, Drug; Hyperalgesia; Imidazoline Receptors; Male; Mice; Mice, Inbred BALB C; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Drug; Yohimbine | 2006 |
Evidence against alpha-adrenoceptors mediating relaxation in rat thoracic aortae: alpha-agonists relaxation depends on interaction with alpha-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Azepines; Brimonidine Tartrate; Clonidine; Dinoprost; Dose-Response Relationship, Drug; Endothelium, Vascular; In Vitro Techniques; Male; Methoxamine; Nitric Oxide; Phenylephrine; Piperazines; Quinoxalines; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Serotonin; Vasoconstrictor Agents; Vasodilation; Yohimbine | 2006 |
Vascular reactivity to various vasoconstrictor agents and endothelium-dependent relaxations of rat thoracic aorta in the long-term period of pinealectomy.
Topics: Acetylcholine; Angiotensin II; Animals; Aorta, Thoracic; Body Weight; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Endothelin-1; Endothelium, Vascular; Heart; In Vitro Techniques; Male; Organ Size; Phenylephrine; Pineal Gland; Rats; Rats, Wistar; Serotonin; Time Factors; Vasoconstrictor Agents; Vasodilation; Vasopressins | 2006 |
Normal aging impairs upregulation of the beta-adrenergic but not the alpha-adrenergic response: aging and adrenergic upregulation.
Topics: Adult; Aged; Aged, 80 and over; Aging; Blood Pressure; Clonidine; Female; Humans; Isoproterenol; Male; Middle Aged; Phenylephrine; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sex Characteristics; Up-Regulation | 2006 |
Alpha1A-adrenergic receptors are functionally expressed by a subpopulation of cornu ammonis 1 interneurons in rat hippocampus.
Topics: Action Potentials; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Electrophysiology; Hippocampus; In Vitro Techniques; Interneurons; Isoproterenol; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1 | 2007 |
Adrenergic control of a constitutively active acetylcholine-regulated potassium current in canine atrial cardiomyocytes.
Topics: Acetylcholine; Action Potentials; Adrenergic Agents; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Bee Venoms; Clonidine; Cyclic AMP-Dependent Protein Kinases; Dihydropyridines; Dogs; Dose-Response Relationship, Drug; Estrenes; Heart Atria; Imidazoles; Indoles; Isoproterenol; Isoquinolines; Maleimides; Myocytes, Cardiac; Patch-Clamp Techniques; Phenylephrine; Phorbol 12,13-Dibutyrate; Piperazines; Potassium Channels; Prazosin; Propanolamines; Propranolol; Protein Kinase C; Pyrrolidinones; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, beta-1; Sulfonamides; Type C Phospholipases | 2007 |
Antidepressant-like effect of lamotrigine in the mouse forced swimming test: evidence for the involvement of the noradrenergic system.
Topics: alpha-Methyltyrosine; Animals; Antidepressive Agents; Clonidine; Female; In Vitro Techniques; Lamotrigine; Mice; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Swimming; Triazines | 2007 |
Activation of alpha1B-adrenoceptors alleviates ischemia/reperfusion injury by limitation of mitochondrial Ca2+ overload in cardiomyocytes.
Topics: Adenosine Triphosphate; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cell Size; Clonidine; Cytochromes c; Decanoic Acids; Diazoxide; Hydroxy Acids; Male; Mitochondria, Heart; Myocardial Ischemia; Myocytes, Cardiac; Phenylephrine; Potassium Channel Blockers; Potassium Channels; Protein Kinase C-epsilon; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Reperfusion Injury; Vasodilator Agents | 2007 |
Influence of cisplatin-induced renal failure on the alpha(1)-adrenoceptor subtype causing vasoconstriction in the kidney of the rat.
Topics: Amlodipine; Animals; Cisplatin; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Injections, Intraperitoneal; Kidney; Male; Methoxamine; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Inbred WKY; Receptors, Adrenergic, alpha-1; Renal Circulation; Renal Insufficiency; Vasoconstriction; Vasodilator Agents | 2007 |
Alpha1A-adrenoceptors predominate in the control of blood pressure in mouse mesenteric vascular bed.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Imidazoles; In Vitro Techniques; Male; Mesenteric Arteries; Mice; Mice, Inbred Strains; Phenylephrine; Piperazines; Receptors, Adrenergic, alpha-1; Tetrahydronaphthalenes; Thymine; Vasoconstriction | 2007 |
Expressions and mechanical functions of alpha1-adrenoceptor subtypes in hamster ureter.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Cricetinae; Dose-Response Relationship, Drug; Drug Synergism; Gene Expression; Immunohistochemistry; In Vitro Techniques; Indoles; Male; Mesocricetus; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Piperazines; Receptors, Adrenergic, alpha-1; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Ureter | 2007 |
Transient allodynia pain models in mice for early assessment of analgesic activity.
Topics: Adrenergic alpha-Antagonists; Amines; Amitriptyline; Analgesics; Animals; Clonidine; Cyclohexanecarboxylic Acids; Dinoprostone; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Evaluation, Preclinical; Excitatory Amino Acid Antagonists; Gabapentin; gamma-Aminobutyric Acid; Hyperalgesia; Injections, Intraperitoneal; Injections, Spinal; Male; Memantine; Mice; Mice, Inbred C57BL; Morphine; N-Methylaspartate; Pain; Peripheral Nervous System; Phenylephrine; Piperazines; Prostaglandin Antagonists; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, N-Methyl-D-Aspartate; Receptors, Prostaglandin E; Receptors, Prostaglandin E, EP1 Subtype; Reproducibility of Results; Spinal Cord; Spinal Nerves; Time Factors | 2008 |
Role of selective alpha and beta adrenergic receptor mechanisms in rat jejunal longitudinal muscle contractility.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Disease Models, Animal; Dose-Response Relationship, Drug; Gastrointestinal Motility; Jejunum; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenylephrine; Prenalterol; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Ritodrine | 2008 |
alpha2B-adrenoceptor agonist ST-91 antagonizes beta2-adrenoceptor-mediated relaxation in rat mesenteric artery rings.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic beta-2 Receptor Antagonists; Analysis of Variance; Animals; Aorta; Clonidine; Dose-Response Relationship, Drug; In Vitro Techniques; Isoproterenol; Male; Mesenteric Arteries; Phenylephrine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Receptors, Adrenergic, beta-2; Terbutaline; Vas Deferens; Vasodilation; Xylazine; Yohimbine | 2008 |
Systemic administration of leptin decreases plasma corticosterone levels: role of hypothalamic norepinephrine.
Topics: Adrenergic Agents; Animals; Clonidine; Corticosterone; Dose-Response Relationship, Drug; Hypothalamo-Hypophyseal System; Injections, Intravenous; Isoproterenol; Leptin; Male; Norepinephrine; Paraventricular Hypothalamic Nucleus; Phenylephrine; Pituitary-Adrenal System; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha | 2008 |
Alpha1A- and alpha1D-adrenoceptors are the major functional subtypes of renal alpha1-adrenoceptors in streptozotocin-induced diabetic and normal Sprague-Dawley rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Diabetes Mellitus, Experimental; Dose-Response Relationship, Drug; Electric Stimulation; Kidney; Male; Methoxamine; Nitrendipine; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Renal Artery; Renal Circulation; Vasoconstriction; Vasoconstrictor Agents; Vasodilator Agents | 2008 |
Beta-adrenoceptor alterations coupled with secretory response and experimental periodontitis in rat submandibular glands.
Topics: Adenylyl Cyclase Inhibitors; Adrenergic alpha-Agonists; Animals; Clonidine; Dobutamine; Ethanolamines; Ligation; Male; Molar; Mucins; Periodontitis; Phenylephrine; Rats; Rats, Wistar; Receptors, Adrenergic, beta; Submandibular Gland | 2008 |
Different response of ANP secretion to adrenoceptor stimulation in renal hypertensive rat atria.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Atrial Natriuretic Factor; Clonidine; Cyclic AMP; Dose-Response Relationship, Drug; Guanabenz; Heart Atria; Hypertension, Renal; Imidazoles; Isoproterenol; Male; Phenylephrine; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic; RNA, Messenger; Time Factors | 2008 |
Functional subtypes of renal alpha1-adrenoceptor in diabetic and non-diabetic 2K1C Goldblatt renovascular hypertension.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Animals; Clonidine; Diabetes Mellitus, Experimental; Dose-Response Relationship, Drug; Electric Stimulation; Hypertension, Renovascular; Kidney; Male; Methoxamine; Nitrendipine; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Sprague-Dawley; Vasoconstriction | 2008 |
alpha(1)-Adrenoceptors augment thermal hyperalgesia in mildly burnt skin.
Topics: Adolescent; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adult; Burns; Clonidine; Female; Hot Temperature; Humans; Hyperalgesia; Iontophoresis; Male; Nociceptors; Norepinephrine; Phenylephrine; Prazosin; Receptors, Adrenergic, alpha-1; Sensory Receptor Cells; Skin; Yohimbine; Young Adult | 2009 |
Clonidine and a novel clonidine analog AL-12 cause sympathoinhibition in spontaneously hypertensive and diabetic spontaneously hypertensive rats.
Topics: Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Diabetes Mellitus, Experimental; Disease Models, Animal; Dose-Response Relationship, Drug; Male; Methoxamine; Neural Inhibition; Norepinephrine; Phenylephrine; Rats; Rats, Inbred SHR; Streptozocin | 2008 |
Management of a super-morbidly obese parturient requiring caesarean delivery (again!).
Topics: Analgesics; Analgesics, Opioid; Anesthesia, Conduction; Anesthesia, Intravenous; Anesthesia, Obstetrical; Anesthetics, Intravenous; Anesthetics, Local; Bupivacaine; Cardiotonic Agents; Cesarean Section, Repeat; Clonidine; Female; Fentanyl; Humans; Infant, Newborn; Morphine; Obesity, Morbid; Phenylephrine; Pregnancy | 2008 |
The effect of alpha-adrenoceptor agonists and L-NMMA on cutaneous postocclusive reactive hyperemia.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Adult; Clonidine; Enzyme Inhibitors; Female; Humans; Hyperemia; Iontophoresis; Laser-Doppler Flowmetry; Male; Microcirculation; Nitric Oxide Synthase; omega-N-Methylarginine; Phenylephrine; Skin | 2009 |
Complex cardiovascular actions of alpha-adrenergic receptors expressed in the nucleus tractus solitarii of rats.
Topics: Animals; Blood Pressure; Chemoreceptor Cells; Clonidine; Gene Expression Profiling; Heart Rate; Phentolamine; Phenylephrine; Pressoreceptors; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Solitary Nucleus; Yohimbine | 2009 |
Influence of high dietary sodium intake on the functional subtypes of alpha-adrenoceptors in the renal cortical vasculature of Wistar-Kyoto rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Body Weight; Clonidine; Drinking; Hydroxylamines; Kidney Cortex; Male; Norepinephrine; Phenylephrine; Piperazines; Rats; Rats, Inbred WKY; Receptors, Adrenergic, alpha-1; Renal Circulation; Sodium; Sodium, Dietary; Urine; Vasoconstriction; Vasoconstrictor Agents | 2009 |
Inhibitory effect of fentanyl on phenylephrine-induced contraction of the rat aorta.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Aorta; Clonidine; Fentanyl; In Vitro Techniques; Male; Phenylephrine; Piperazines; Rats; Rats, Sprague-Dawley; Vasoconstriction | 2009 |
Epinephrine, phenylephrine, and methoxamine induce infiltrative anesthesia via alpha1-adrenoceptors in rats.
Topics: Adrenergic alpha-1 Receptor Antagonists; Anesthesia, Local; Anesthetics, Local; Animals; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Male; Methoxamine; Nifedipine; Nitroglycerin; Pain Measurement; Phentolamine; Phenylephrine; Piperazines; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1 | 2009 |
An Osteoblast-dependent mechanism contributes to the leptin regulation of insulin secretion.
Topics: Adipocytes; Animals; Bone and Bones; Bone Remodeling; Clonidine; Energy Metabolism; Homeostasis; Insulin; Insulin Secretion; Insulin-Secreting Cells; Isoproterenol; Leptin; Mice; Mice, Obese; Neurons; Osteoblasts; Phenylephrine | 2009 |
Effects of acute exposure of alpha 1- and alpha 2-adrenoreceptor agonist or antagonist on capsaicin-evoked substance P release from dorsal root ganglion neurons in vitro.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Capsaicin; Cells, Cultured; Clonidine; Ganglia, Spinal; Neurons; Phenylephrine; Prazosin; Radioimmunoassay; Rats; Rats, Wistar; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Substance P; Yohimbine | 2010 |
alpha(1)- and alpha(2)-Adrenoceptor hyporesponsiveness in isolated bisected vas deferens of bile duct-ligated rats.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Animals; Bile Ducts, Extrahepatic; Cholestasis, Extrahepatic; Clonidine; Electric Stimulation; In Vitro Techniques; Ligation; Male; Morphine; Muscle Contraction; Muscle, Smooth; Naloxone; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vas Deferens; Yohimbine | 2010 |
Activation of alpha1 and alpha2 noradrenergic receptors exert opposing effects on excitability of main olfactory bulb granule cells.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Clonidine; Evoked Potentials; Female; In Vitro Techniques; Male; Membrane Potentials; Neurons; Norepinephrine; Olfactory Bulb; Patch-Clamp Techniques; Phenylephrine; Rats; Rats, Sprague-Dawley | 2010 |
Sympathetic vasoconstriction is potentiated in arteries caudal but not rostral to a spinal cord transection in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Clonidine; Data Interpretation, Statistical; Electric Stimulation; Female; Muscle Contraction; Myography; Phenylephrine; Potassium Chloride; Prazosin; Purinergic P2 Receptor Antagonists; Purinergic P2X Receptor Agonists; Rats; Rats, Wistar; Spinal Cord; Spinal Cord Injuries; Stimulation, Chemical; Suramin; Sympathetic Nervous System; Vasoconstriction; Vasoconstrictor Agents | 2010 |
A novel pharmacological approach to determining parasympathetic heart rate reserve in human subjects.
Topics: Adrenergic alpha-Agonists; Adult; Age Factors; Autonomic Nervous System Diseases; Baroreflex; Blood Pressure; Clonidine; Diagnostic Techniques, Neurological; Female; Heart; Heart Rate; Humans; Male; Middle Aged; Parasympathetic Nervous System; Phenylephrine; Predictive Value of Tests; Time Factors | 2010 |
Modulation of natural killer cell function by alpha-adrenoreceptor-coupled signalling.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Clonidine; Cytotoxicity Tests, Immunologic; Estrenes; Flow Cytometry; Intracellular Signaling Peptides and Proteins; Isoquinolines; Killer Cells, Natural; Phenylephrine; Pyrrolidinones; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Signal Transduction; Spleen; Sulfonamides; Type C Phospholipases; Yohimbine | 2010 |
Adrenergic control of vascular resistance varies in muscles composed of different fiber types: influence of the vascular endothelium.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic Fibers; Analysis of Variance; Animals; Arterioles; Clonidine; Dose-Response Relationship, Drug; Endothelium, Vascular; Energy Metabolism; Hindlimb; Male; Muscle Fibers, Skeletal; Muscle, Skeletal; Muscle, Smooth, Vascular; Oxidation-Reduction; Phenylephrine; Prazosin; Rats; Rats, Sprague-Dawley; Regional Blood Flow; Sympathectomy; Vascular Resistance; Vasoconstriction | 2011 |
On the improvement of inhibitory response control and visuospatial attention by indirect and direct adrenoceptor agonists.
Topics: Adrenergic Agonists; Animals; Attention; Choice Behavior; Clenbuterol; Clonidine; Desipramine; Dobutamine; Dose-Response Relationship, Drug; Inhibition, Psychological; Isoproterenol; Male; Methylphenidate; Phenylephrine; Rats; Rats, Wistar; Reaction Time; Serial Learning | 2012 |
Modulation of fear/anxiety responses, but not food intake, following α-adrenoceptor agonist microinjections in the nucleus accumbens shell of free-feeding rats.
Topics: Adrenergic alpha-Agonists; Analysis of Variance; Animals; Anxiety; Clonidine; Disease Models, Animal; Dose-Response Relationship, Drug; Eating; Fear; Male; Maze Learning; Microinjections; Nucleus Accumbens; Phenylephrine; Rats; Rats, Wistar | 2012 |
Feeding behaviour after injection of α-adrenergic receptor agonists into the median raphe nucleus of food-deprived rats.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dose-Response Relationship, Drug; Drinking Behavior; Eating; Feeding Behavior; Food Deprivation; Male; Phenylephrine; Raphe Nuclei; Rats; Rats, Wistar; Reaction Time | 2012 |
The effect of aging on adrenergic and nonadrenergic receptor expression and responsiveness in canine skeletal muscle.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Aging; Animals; Arteries; Blood Pressure; Clonidine; Dogs; Hemodynamics; Hindlimb; Muscle, Skeletal; Norepinephrine; Phenylephrine; Physical Conditioning, Animal; Purinergic P2X Receptor Agonists; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Receptors, Neuropeptide Y; Receptors, Purinergic P2X; Regional Blood Flow; Rest | 2012 |
Suppressed G-protein-coupled receptor kinase 2 activity protects female diabetic-mouse aorta against endothelial dysfunction.
Topics: Adrenergic alpha-2 Receptor Agonists; Animals; Aorta; Clonidine; Diabetes Mellitus, Experimental; Diabetes Mellitus, Type 2; Endothelium, Vascular; Female; G-Protein-Coupled Receptor Kinase 2; Male; Mice; Mice, Inbred ICR; Nitric Oxide Synthase Type III; Phenylephrine; Proto-Oncogene Proteins c-akt; Sex Characteristics; Signal Transduction; Vasoconstriction; Vasoconstrictor Agents | 2013 |
Removal of half the sympathetic innervation does not reduce vasoconstrictor responses in rat tail artery.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arteries; Clonidine; Desipramine; Idazoxan; Isometric Contraction; Muscle Denervation; Myocytes, Smooth Muscle; Neuromuscular Junction; Norepinephrine; Phenylephrine; Rats; Sympathetic Nervous System; Synaptic Potentials; Tail; Vasoconstriction | 2013 |
Functional characteristics of alpha adrenergic and endothelinergic receptors in pressurized rat mesenteric veins.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Arteries; Clonidine; Endothelin A Receptor Antagonists; Endothelin B Receptor Antagonists; Endothelin-1; Male; Mesenteric Veins; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Rats; Rats, Sprague-Dawley; Receptor, Endothelin A; Receptor, Endothelin B; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Vasoconstriction | 2013 |
Selective modulation of lymphoproliferation and cytokine production via intracellular signaling targets by α1- and α2-adrenoceptors and estrogen in splenocytes.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Animals; Clonidine; Cyclic AMP Response Element-Binding Protein; Estradiol; Estrogens; Extracellular Signal-Regulated MAP Kinases; Idazoxan; Interferon-gamma; Interleukin-2; Male; NF-kappa B; Phenylephrine; Proto-Oncogene Proteins c-akt; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Spleen; T-Lymphocytes | 2013 |
Effect of severe acidosis on vasoactive effects of epinephrine and norepinephrine in human distal mammary artery.
Topics: Acidosis; Adrenergic alpha-Agonists; Aged; Clonidine; Dose-Response Relationship, Drug; Epinephrine; Female; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Male; Mammary Arteries; Methoxamine; Middle Aged; Norepinephrine; Phenylephrine; Receptors, Adrenergic; Vasoconstriction; Vasoconstrictor Agents | 2014 |
Hippocampal α-adrenoceptors involve in the effect of histamine on spatial learning.
Topics: Adrenergic Agents; Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; CA1 Region, Hippocampal; Clonidine; Dose-Response Relationship, Drug; Histamine; Histamine Agonists; Male; Maze Learning; Phenylephrine; Prazosin; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Task Performance and Analysis; Yohimbine | 2014 |
Clonidine Restores Pressor Responsiveness to Phenylephrine and Angiotensin II in Ovine Sepsis.
Topics: Adrenergic alpha-2 Receptor Agonists; Angiotensin II; Animals; Blood Pressure; Clonidine; Female; Hypotension; Kidney; Phenylephrine; Sepsis; Sheep; Sympathetic Nervous System; Vasoconstrictor Agents | 2015 |
Reverse Physiology: Applying an Antihypertensive Drug to Increase Arterial Blood Pressure in Septic Shock.
Topics: Adrenergic alpha-2 Receptor Agonists; Angiotensin II; Animals; Blood Pressure; Clonidine; Female; Hypotension; Phenylephrine; Sepsis; Sympathetic Nervous System; Vasoconstrictor Agents | 2015 |
Norepinephrine responses in rat renal and femoral veins are reinforced by vasoconstrictor prostanoids.
Topics: Animals; Clonidine; Endothelium, Vascular; Femoral Vein; Kidney; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phenylephrine; Prazosin; Prostaglandins; Rats; Rats, Wistar; Receptors, Adrenergic; Receptors, Angiotensin; Vasoconstriction; Vasoconstrictor Agents; Yohimbine | 2015 |
Acute injections of corticosterone, norepinephrine and epinephrine retards food passage in the crop of chicks.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adrenergic beta-Agonists; Animals; Animals, Newborn; Chickens; Clonidine; Corticosterone; Corticotropin-Releasing Hormone; Defecation; Epinephrine; Gastric Emptying; Isoproterenol; Male; Norepinephrine; Phenylephrine; Urocortins | 2016 |
Effects of topical adrenergic agents on prostaglandin E2-induced aqueous flare and intraocular pressure elevation in pigmented rabbits.
Topics: Administration, Topical; Adrenergic Agonists; Animals; Aqueous Humor; Blood-Aqueous Barrier; Brimonidine Tartrate; Clonidine; Dinoprostone; Drug Combinations; Epinephrine; Intraocular Pressure; Male; Phenylephrine; Rabbits; Tonometry, Ocular; Uveitis, Anterior | 2016 |
Reverse Physiology, i.e., Cellular Versus Integrative Versus Comparative Physiology? α-2 Agonists and Septic Shock.
Topics: Adrenergic alpha-2 Receptor Agonists; Angiotensin II; Animals; Blood Pressure; Clonidine; Female; Hypotension; Phenylephrine; Sepsis; Sympathetic Nervous System; Vasoconstrictor Agents | 2016 |
Identification of Drugs in Parenteral Pharmaceutical Preparations from a Quality Assurance and a Diversion Program by Direct Analysis in Real-Time AccuTOFTM-Mass Spectrometry (DART-MS).
Topics: Amides; Analgesics; Anesthetics; Baclofen; Bupivacaine; Caffeine; Chromatography, High Pressure Liquid; Clonidine; Dexamethasone; Ephedrine; Fentanyl; Heparin; Hydromorphone; Ketamine; Mass Spectrometry; Methadone; Midazolam; Morphine; Oxytocin; Parenteral Nutrition Solutions; Phenylephrine; Ropivacaine; Succinylcholine | 2016 |
Interactions between β-adrenergic vasodilation and cervical sympathetic nerves are mediated by α
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Clonidine; Electric Stimulation; Lip; Male; Masseter Muscle; Mydriatics; Norepinephrine; Phenylephrine; Propranolol; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Vasodilation; Vasodilator Agents; Yohimbine | 2017 |
Adrenergic Receptor Agonists' Modulation of Dopaminergic and Non-dopaminergic Neurons in the Ventral Tegmental Area.
Topics: Action Potentials; Adrenergic Agonists; Animals; Clonidine; Dopamine; Isoproterenol; Male; Neurons; Norepinephrine; Phenylephrine; Rats, Sprague-Dawley; Ventral Tegmental Area | 2018 |
Validity and variability of xBRS: instantaneous cardiac baroreflex sensitivity.
Topics: Adult; Antihypertensive Agents; Atropine; Autonomic Nervous System; Baroreflex; Blood Pressure; Blood Pressure Determination; Clonidine; Heart; Humans; Male; Nitroprusside; Phenylephrine; Propranolol; Vasoconstrictor Agents | 2017 |
Effect of brimonidine, an α2 adrenergic agonist, on human meibomian gland epithelial cells.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Blotting, Western; Brimonidine Tartrate; Cell Proliferation; Cell Survival; Cells, Cultured; Clonidine; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Enzyme-Linked Immunosorbent Assay; Epithelial Cells; Humans; Meibomian Glands; p38 Mitogen-Activated Protein Kinases; Phenylephrine; Phospholipids; Proto-Oncogene Proteins c-akt | 2018 |
Complex regional pain syndrome: intradermal injection of phenylephrine evokes pain and hyperalgesia in a subgroup of patients with upregulated α1-adrenoceptors on dermal nerves.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-2 Receptor Agonists; Adult; Aged; Clonidine; Complex Regional Pain Syndromes; Female; Humans; Hyperalgesia; Injections, Intradermal; Male; Middle Aged; Pain; Phenylephrine; Receptors, Adrenergic, alpha-1; Receptors, Purinergic P2X3; Up-Regulation; Young Adult | 2018 |
Induction of Non-Apoptotic Cell Death by Adrenergic Agonists in Human Oral Squamous Cell Carcinoma Cell Lines.
Topics: Adrenergic Agonists; Antineoplastic Agents; Carcinoma, Squamous Cell; Catalase; Cell Death; Cells, Cultured; Child; Clonidine; Dexmedetomidine; DNA Fragmentation; Epinephrine; Humans; Isoproterenol; Mouth Neoplasms; Phenylephrine; Superoxide Dismutase | 2019 |
Activation of alpha-1 adrenergic receptors increases cytosolic calcium in neurones of the paraventricular nucleus of the hypothalamus.
Topics: Adrenergic alpha-1 Receptor Agonists; Animals; Benzophenanthridines; Cadmium Chloride; Calcium; Clonidine; Cytosol; Estrenes; Macrocyclic Compounds; Male; Neurons; Norepinephrine; Oxazoles; Paraventricular Hypothalamic Nucleus; Phenylephrine; Prazosin; Pyrrolidinones; Rats; Receptors, Adrenergic, alpha-1; Thapsigargin | 2019 |
Regulation of murine arthritis by systemic, spinal, and intra-articular adrenoceptors.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Albuterol; Animals; Arthritis, Experimental; Cell Movement; Clonidine; Dobutamine; Edema; Injections, Intra-Articular; Injections, Intraperitoneal; Injections, Spinal; Knee Joint; Male; Mice; Neutrophils; Phenylephrine; Zymosan | 2019 |