phentolamine has been researched along with clonidine in 396 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 307 (77.53) | 18.7374 |
| 1990's | 63 (15.91) | 18.2507 |
| 2000's | 21 (5.30) | 29.6817 |
| 2010's | 5 (1.26) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Biedermann, J; Borbe, HO; León-Lomelí, A; Prop, G | 1 |
| Andrews, PR; Craik, DJ; Martin, JL | 1 |
| Daenzer, C; Harris, DW; Humphrey, SJ; Kamdar, BV; McCall, JM; McCall, RB; Sethy, VH; TenBrink, RE | 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 |
| Timmermans, PB; van Zwieten, PA | 2 |
| Harms, GS; Lohse, MJ; Steinmeyer, R; Vilardaga, JP | 1 |
| Agbaba, D; Filipic, S; Nikolic, K | 1 |
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Choi, SS; Contrera, JF; Hastings, KL; Kruhlak, NL; Sancilio, LF; Weaver, JL; Willard, JM | 1 |
| Chen, M; Fang, H; Liu, Z; Shi, Q; Tong, W; Vijay, V | 1 |
| Bednarski, M; Dudek, M; Kulig, K; Lustyk, K; Malawska, B; Nowiński, L; Raźny, K; Sapa, J; Siwek, A; Starowicz, G; Zaręba, P | 1 |
| Chen, M; Hu, C; Suzuki, A; Thakkar, S; Tong, W; Yu, K | 1 |
| Jones, LH; Nadanaciva, S; Rana, P; Will, Y | 1 |
| Kleinrok, Z; Zebrowska-Lupina, I | 1 |
| Campbell, WB; Harper, DC; Keeton, TK; Pettinger, WA | 1 |
| Endoh, M; Schümann, HJ | 1 |
| Doxey, JC | 1 |
| Dinnendahl, V; Gumulka, SW | 1 |
| Doxey, JC; Smith, CF; Walker, JM | 1 |
| Bohidar, NR; Ludden, CT; Scriabine, A; Stavorski, JM; Sweet, CS; Wenger, HC | 1 |
| Doxey, JC; Everitt, J | 1 |
| Sterz, H | 1 |
| Charness, ME; Robertson, D; Snyder, SH; U'Prichard, DC | 1 |
| Doxey, JC; Everitt, J; Metcalf, G | 1 |
| Kapur, H; Mottram, DR | 1 |
| Algate, DR; Waterfall, JF | 1 |
| McCulloch, MW; Medgett, IC; Rand, MJ | 1 |
| Nedergaard, OA; Schrold, J | 1 |
| Cox, B; Ennis, C; Janssen, PA; Schnieden, H | 1 |
| Bugajski, J; Zacny, E | 1 |
| Commarato, MA; Dugan, DH; Kaplan, HR; Langley, AE; Lattime, EC; Smith, RD; Tessman, DK | 1 |
| Chu, D; Hofmann, A; Stürmer, E | 1 |
| Fukuda, T; Hidaka, T; Oishi, R; Suenaga, N | 1 |
| Ganong, WF; Morris, BJ; Reid, IA | 1 |
| Harper, B; Hughes, IE | 1 |
| Andersson, RG; Colldahl, H; Lindgren, BR | 1 |
| Bökesoy, TA; Ercan, ZS; Ersoy, F; Türker, RK; Zengil, H | 1 |
| Carmichael, R; Di Paolo, T; Labrie, F; Raynaud, JP | 1 |
| Blake, DE; Holsapple, MP; Yim, GK | 1 |
| Fujiwara, M; Oishi, R; Razzak, A; Ueki, S | 1 |
| Strömbom, U | 1 |
| Giachetti, A; Hefco, E; Jameson, HE; Krulich, L; Marchlewska-Koj, A | 1 |
| Franklin, KB; Herberg, LJ | 1 |
| Dóda, M; György, L | 1 |
| McNeill, JH; Verma, SC | 1 |
| Bartmus, D; Dinnendahl, V; Gumulka, SW; Schönhöfer, PS; Stock, K | 1 |
| Langer, SZ; Luchelli-Fortis, MA | 1 |
| Neufeld, AH; Page, ED | 1 |
| Fukushima, H; Honma, T | 1 |
| Lal, S; Tsang, D | 1 |
| Dausse, J; Meyer, P; Miach, PJ | 1 |
| Constantine, JW; McShane, WK; Weeks, RA | 1 |
| Brown, DA; Caulfield, MP | 1 |
| Lorincz, M; Montoya, E; Wilber, JF | 1 |
| Halter, JB; Metz, SA; Porte, D; Robertson, RP | 1 |
| Kleefeld, G; Schultz, J | 1 |
| Cavero, I; Lefèvre, F; Roach, AG | 1 |
| Gala, RR; Lawson, DM | 1 |
| Kobinger, W; Pichler, L | 3 |
| Kleinlogel, H; Sayers, AC; Scholtysik, G | 1 |
| Jezová-Repceková, D; Kulifajová, A; Vigas, M | 1 |
| Aghajanian, GK; Cedarbaum, JM; Davis, M; Gendelman, DS | 1 |
| Keil, LC; Nolan, PL; Reid, IA; Wolf, JA | 1 |
| Knoll, J; Török, TL; Vizi, SE; Zséli, J | 1 |
| Cavero, I; Dennis, T; Lefèvre-Borg, F; Perrot, P; Roach, AG; Scatton, B | 1 |
| Hawkins, M; Monti, JM | 1 |
| Baumann, N; Chermat, R; Lachapelle, F; Simon, P | 1 |
| Drujan, BD; Negishi, K | 1 |
| Rahn, KH | 1 |
| Bock, KD | 1 |
| Halter, JB; Metz, SA; Robertson, RP | 1 |
| Goto, M; Ozawa, H; Takahashi, M; Uematsu, Y | 1 |
| Bucher, B; Doepfner, W; Jaton, AL; Marbach, P; Ruch, W | 2 |
| Gaida, W; Greenberg, S; Hoefke, W; Kreuzer, H; Stötzer, H; Weisse, I | 1 |
| Wikberg, J | 1 |
| Gozzani, JL; Izquierdo, I | 1 |
| Scriabine, A; Stavorski, JM | 1 |
| Chen, CS; Ozawa, H; Uematsu, T; Watanabe, H | 1 |
| Kawasaki, H; Razzak, A; Ueki, S | 1 |
| Cannon, JG; Ilhan, M; Long, JP | 1 |
| Finch, L; Hicks, PE | 1 |
| Pacha, W; Salzmann, R; Scholtysik, G | 1 |
| Fozard, JR | 1 |
| Aniukhovskiĭ, EP; Rozen, MP; Staĭnberg, SF | 1 |
| Aliño, SF; Garcia, D; Uvnäs-Moberg, K | 1 |
| Henquin, JC; Jonas, JC; Plant, TD | 1 |
| Borbujo, J; Diéguez, G; García, JL; García-Villalón, AL; Gómez, B; Nava-Hernández, E; Valle, J | 1 |
| Luo, XX; Sheng, BH; Tan, YH | 1 |
| Piascik, MT; Pruitt, TA; Sparks, MS | 1 |
| Hoyer, D; Schoeffter, P | 1 |
| Han, CD; Minneman, KP | 1 |
| Horváth, E; Jaszlits, L; Rabloczky, G | 1 |
| Aslanian, V; Chalmers, J; Drolet, G; Minson, J; Morris, M | 1 |
| Keller, N | 1 |
| Cai, B; Matsumoto, K; Ohta, H; Satoh, T; Watanabe, H | 1 |
| Danzebrink, RM; Gebhart, GF | 1 |
| Elverdin, JC; Kaniucki, MO; Perec, CJ; Stefano, FJ | 1 |
| Bhandare, PN; D'Souza, RS; Dhume, VG | 1 |
| Hashimoto, S; Kigoshi, S; Muramatsu, I; Ohmura, T; Oshita, M | 1 |
| Arvat, E; Bellone, J; Brambilla, F; Camanni, F; Cella, SG; Ghigo, E; Mazza, E; Müller, EE; Revelli, E | 1 |
| Chandranath, SI; Gokhale, SD; Sharif, SI | 1 |
| Monasky, MS; Stevens, CW; Yaksh, TL; Zinsmeister, AR | 1 |
| Terman, BI | 1 |
| Camilleri, M; Malagelada, JR; Thomforde, GM; Yaksh, TL | 1 |
| Camargo, LA; Colombari, E; de-Luca Júnior, LA; Ferrari, AC; Menani, JV; Renzi, A; Saad, WA | 1 |
| Angus, JA; McPherson, GA | 1 |
| Burnstock, G; Ellis, JL; Kasakov, L; Vlaskovska, M | 1 |
| Hall, GT; Potter, EK | 1 |
| Culp, DJ; Graham, LA; Marin, MG; McBride, RK | 1 |
| Ahn, CH; Feller, DR; Miller, DD; Schotzinger, RL; Shams, G | 1 |
| Cui, CD; Yin, QZ; Yin, WP; Yu, GD; Zhang, HQ | 1 |
| Masuda, Y; Mollace, V; Nisticò, G; Pelaggi, T | 1 |
| Chahl, LA | 1 |
| Jones, RS; Olpe, HR | 1 |
| Mulder, AH; Schoffelmeer, AN; Wierenga, EA | 1 |
| Chance, WT | 1 |
| Majewski, H; Rump, LC | 1 |
| Giudicelli, Y; Leneveu, MC; Pecquery, R | 1 |
| Kaijser, L; Lundberg, JM; Pernow, J | 2 |
| Ashizawa, N; Hayashi, E; Nakayama, K; Tomita, T; Yamada, S | 1 |
| Li, DX; Shen, GS | 1 |
| Hadjiconstantinou, M; Krajnc, D; Neff, NH; Rossetti, Z | 1 |
| Kazmi, SM; Mishra, RK | 1 |
| Kawasaki, H; Takasaki, K; Urabe, M | 1 |
| Gillberg, PG; Gordh, T; Hartvig, P; Jansson, I; Post, C | 1 |
| Boucher, M; Chapuy, E; Duchêne-Marullaz, P; Lefebvre, MA; Mignot, A | 1 |
| Brody, MJ; Gebhart, GF; Solomon, RE | 1 |
| Hasselblatt, A; Schulz, A | 2 |
| Henderson, G; North, RA; Williams, JT | 1 |
| Cardinali, DP; Chuluyan, HE; Rosenstein, RE | 1 |
| Hattori, N; Imura, H; Ishikawa, Y; Kato, Y; Koshiyama, H; Murakami, Y; Shimatsu, A | 1 |
| Morita, T; Suzuki, T; Tsuchida, S; Wada, I | 1 |
| Baumann, M; Lepor, H; Shapiro, E | 1 |
| Barney, CC; Katovich, MJ; Simpkins, JW | 1 |
| Hori, M; Inoue, M; Iwai, K; Iwakura, K; Kagiya, T; Kamada, T; Kitabatake, A; Kitakaze, M; Koretsune, Y; Tamai, J | 1 |
| Jaim-Etcheverry, G; Landa, ME; Rubio, MC | 1 |
| Bezachev, VG; Gertsov, GE; Kulinskiĭ, VI; Plotnikov, NIu | 1 |
| Loiacono, RE; Rand, MJ; Story, DF | 1 |
| Hashimoto, H; Nakashima, M; Sogabe, K | 1 |
| Nobin, A; Owman, C; Törnebrandt, K | 1 |
| DeMarinis, RM; Lefkowitz, RJ; Regan, JW | 1 |
| Barthelemy, L; Sebert, P | 1 |
| Grabensee, B | 1 |
| Ng, TB | 1 |
| Kaliszan, R; Petrusewicz, J | 1 |
| Baker, PF; Powis, DA | 1 |
| Fujii, M; Hamada, Y; Kasuya, Y; Nakamura, M; Ohira, A; Shigenobu, K; Wada, Y | 1 |
| Kitazawa, T; Kondo, H; Temma, K | 1 |
| Malhotra, RK; Sharma, TR; Wakade, AR; Wakade, TD | 1 |
| Pohorecky, LA | 1 |
| Beleslin, DB; Myers, RD; Rezvani, AH | 1 |
| Loiacono, RE; Story, DF | 1 |
| Koshiura, R; Matsunaga, T; Miyamoto, K; Sanae, F | 1 |
| Jivegård, L; Svanvik, J | 1 |
| Demura, H; Nakagami, Y; Shizume, K; Suda, T; Sumitomo, T; Tomori, N; Ushiyama, T; Yajima, F | 1 |
| Hu, CY; Mersmann, HJ; Novakofski, J | 1 |
| Ascioti, C; De Sarro, GB; Froio, F; Libri, V; Nisticò, G | 1 |
| Yuwiler, A | 1 |
| Kling, G; Schipp, R | 1 |
| Crepel, F; Debono, M; Flores, R | 1 |
| Gotoh, M; Iguchi, A; Sakamoto, N | 1 |
| Furman, BL; Smith, M | 1 |
| Allen, JM; McCarron, JG; McHale, NG; Thornbury, KD | 1 |
| Altiere, RJ; Kiritsy-Roy, JA; Lee, KC; Randall, DC; Wilson, RA | 1 |
| Ito, I; Kakihana, M; Noda, H; Ohtsuka, S; Sugishita, Y | 1 |
| Gaginella, TS; Wahawisan, R; Wallace, LJ | 1 |
| Brandão, F; Davidson, R; Monteiro, JG | 1 |
| Arancibia, S; Astier, H; Tapia-Arancibia, L | 1 |
| Feuerstein, TJ; Hertting, G; Jackisch, R | 1 |
| Hayashi, S; Kuehl, TJ; Park, MK | 1 |
| Barbaccia, ML; Iadarola, MJ; Laird, HE; Nicoletti, F; Pozzi, O | 1 |
| Atlas, D; Diamant, S | 1 |
| Evans, PD; Reale, V; Villegas, J | 1 |
| Bueno, L; Fargeas, MJ; Fioramonti, J | 1 |
| Mulder, AH; Putters, J; Schoffelmeer, AN | 1 |
| Han, JS; Xie, CW | 1 |
| Ahn, CH; Feller, DR; Hamada, A; Miller, DD | 1 |
| Hilakivi, IT; Mäkelä, JP | 1 |
| Belluzzi, O; Bonifazzi, C; Perri, V; Travagli, RA | 1 |
| Jaffer, A; Russell, VA; Taljaard, JJ | 1 |
| Aronstam, RS; Buccafusco, JJ; Magrí, V | 1 |
| Deloof, S | 1 |
| DeLander, GE; Hopkins, CJ | 1 |
| Johnston, H; Majewski, H; Musgrave, IF | 1 |
| Erwin, VG; Zgombick, JM | 1 |
| Fujii, T; Tomori, M | 1 |
| Araujo, DM; Collier, B | 1 |
| Ascioti, C; De Sarro, GB; Fersini, G; Libri, V; Marmo, E; Nisticò, G | 1 |
| Bueno, L; Primi, MP | 1 |
| Kawasaki, H; Takasaki, K; Yamamoto, R | 1 |
| Cryer, PE | 1 |
| Grankvist, K; Rooth, P; Täljedal, IB | 1 |
| Hashemzadeh, H; Hollingworth, RM; Voliva, A | 1 |
| Kanaoka, R; Maeda-Hagiwara, M; Watanabe, H; Watanabe, K | 1 |
| Gaillard-Plaza, G; Lhoste, F; Montastruc, JL; Montastruc, P; Rostin, M | 1 |
| Calvillo, O; Ghignone, M | 1 |
| Koiwaya, Y; Nakagawa, S; Yamamoto, Y | 1 |
| Owman, C; Schmidt, G; Sjöberg, NO; Walles, B | 1 |
| Mohrland, JS; Von Voigtlander, PF | 1 |
| Gorchien, A | 1 |
| Altmann, KP; Starke, K | 1 |
| Kobinger, W; Walland, A | 3 |
| Hadházy, P; Knoll, J; Somogyi, GT; Vizi, ES | 1 |
| Hansson, L; Hunyor, SN | 1 |
| Delbarre, B; Schmitt, H | 1 |
| Csongrady, A; Kobinger, W; Walland, A | 1 |
| Cocchi, D; Jalanbo, H; Mantegazza, P; Müller, EE; Peruzzi, G; Udeschini, G | 1 |
| Csongrady, A; Kobinger, W | 1 |
| Farnebo, LO; Hamberger, B | 2 |
| Gayk, W; Merker, R; Montel, H; Starke, K | 1 |
| Finch, L | 1 |
| Holman, RB; Shillito, EE; Vogt, M | 1 |
| Papeschi, R | 1 |
| Katic, F; Lavery, H; Lowe, RD | 1 |
| Montel, H; Starke, K | 1 |
| Coupar, IM; Kirby, MJ | 1 |
| Antonaccio, MJ; Robson, RD | 1 |
| Day, MD; Roach, AG | 1 |
| Arzilli, F; Salvetti, A; Zucchelli, GC | 1 |
| Andén, NE; Strömbom, U | 1 |
| Brouwer, GM; Smeets, GW; Struyker Boudier, HA; van Rossum, JM | 1 |
| Hodge, RL; Robinson, SM | 1 |
| Hansson, L; Hoobler, SW; Hunyor, SN; Julius, S | 1 |
| Hansson, L; Harrison, TS; Hoobler, SW; Hunyor, SN | 1 |
| Hedqvist, P; von Euler, US | 1 |
| Fügner, A | 1 |
| Deck, R; Kroneberg, G; Oberdorf, A | 1 |
| Dubocovich, ML | 1 |
| Berlan, M; Lac, DT; Lafontan, M; Tran, MA | 1 |
| De Jong, W; Petty, MA | 1 |
| Nakashima, M; Oguro, K; Ohguchi, S; Sotobata, I | 1 |
| Mulder, AH; Schoffelmeer, AN | 1 |
| Abe, F | 1 |
| Akasu, T; Gallagher, JP; Nakamura, T; Shinnick-Gallagher, P; Yoshimura, M | 1 |
| Leppävuori, A | 1 |
| Moulds, RF; Rittinghausen, R; Shaw, J | 1 |
| Gomes, C; Henning, M; Persson, B; Trolin, G | 1 |
| Reddy, SV; Yaksh, TL | 1 |
| Kaplan, HR; Smith, RD | 1 |
| Petersen, EN | 1 |
| Enero, MA; Nigro, D | 1 |
| Humphrey, SJ; McCall, RB | 1 |
| Giudicelli, Y; Pecquery, R | 1 |
| Berlan, M; Lafontan, M | 1 |
| Atlas, D; Steer, ML | 1 |
| Nolan, PL; Reid, IA | 1 |
| Belleau, B; Benfey, BG; Melchiorre, C | 1 |
| Olsen, UB | 1 |
| Costall, B; Naylor, RJ; Sahyoun, HA | 1 |
| Cavero, I; Gomeni, R; Lefèvre-Borg, F; Roach, AG | 2 |
| Chin, W; Imai, S; Nakagawa, Y | 1 |
| Armstrong, JM; Cavero, I; Lefèvre-Borg, F; Scatton, B | 1 |
| Gerald, MC; Snider, RM | 1 |
| Hamilton, CA; Hannah, JA; Reid, JL | 1 |
| Medgett, IC | 1 |
| Campbell, IC; Feer, H; Kräuchi, K; Wirz-Justice, A | 1 |
| Pennec, JP; Peyraud, C | 1 |
| Muir, TC; Smart, NG | 1 |
| Bidziński, A; Danysz, W; Hauptmann, M; Kostowski, W; Płaźnik, A | 1 |
| Halczenko, W; Lotti, VJ; Randall, WC; Saari, WS | 1 |
| Shigei, T; Shoji, T; Tsuru, H | 1 |
| Borsini, F; Nowakowska, E; Samanin, R | 1 |
| Frisk-Holmberg, M | 1 |
| Collett, AR; Story, DF | 1 |
| Medgett, IC; Rand, MJ | 1 |
| Barthó, L; Holzer, P; Lembeck, F | 1 |
| Stute, N; Trendelenburg, U | 1 |
| Bugajski, J; Zacny, E; Zdebska, A | 1 |
| Nomura, Y; Oki, K; Segawa, T | 1 |
| Hoffman, BB; Lefkowitz, RJ | 1 |
| Dubocovich, ML; Langer, SZ; Pelayo, F | 1 |
| Johnston, CI; Woodcock, EA | 1 |
| Brodde, OE; Gross, G; Schümann, HJ | 1 |
| Davey, MJ | 1 |
| Robie, NW | 2 |
| Cavero, I; Roach, AG | 2 |
| Sybertz, EJ; Zimmerman, BG | 1 |
| Curron, FA; Greenberg, S; Hyman, A; Kadowitz, PJ | 1 |
| Dunwiddie, TV; Hoffer, BJ; Mueller, AL | 1 |
| Mueller, GP; Pettibone, DJ | 1 |
| McCarthy, BW; Neethling, AC; Taljaard, JJ | 1 |
| Groves, PM; Nakamura, S; Tepper, JM; Young, SJ | 1 |
| Fujiwara, M; Muramatsu, I; Nagasaka, Y; Sakakibara, Y | 1 |
| Chang, EB; Field, M; Miller, RJ | 1 |
| Altiere, RJ; Douglas, JS; Gillis, CN | 1 |
| McMahon, KK; Schimmel, RJ | 1 |
| Hamilton, CA; Reid, JL | 1 |
| Djabali, M; Pic, P | 1 |
| Duckles, SP | 1 |
| Cochaux, P; Dumont, JE; van Sande, J | 1 |
| Bates, CP; Eaton, AC | 1 |
| Angus, JA; Heinzow, BG; Korner, PI; Lew, MJ | 1 |
| Anlauf, M; Bock, KD; Brodde, OE; Graben, N | 1 |
| Morgan, KG | 1 |
| Brodde, OE | 1 |
| Flynn, JR; Koons, JC; Long, JP | 1 |
| Cools, AR; Oosterloo, SK | 1 |
| Angus, JA; Lew, MJ | 1 |
| Bühler, FR; Hulthén, UL; Kiowski, W; Ritz, R | 1 |
| Hilakivi, I | 1 |
| Carver, LA; Lee, CH; Strosberg, AM | 1 |
| Ram, CV | 1 |
| Johansson, G; Luostarinen, M; Virkkunen, P | 1 |
| Bäck, O; Henriksson, R; Hörnqvist, R | 1 |
| Duncker, DJ; Saxena, PR; Verdouw, PD | 1 |
| Fink, H; Morgenstern, R; Oelssner, W | 1 |
| Chang, JP; Peter, RE | 1 |
| Cazala, P | 1 |
| Bogaert, MG; Buylaert, WA; Verplanken, PA | 1 |
| Conway, EL; Jarrott, B | 1 |
| Beitman, RE; Fontaine, R; Friehe, H; Gibson, JP; Larson, EJ; Tsai, TH | 1 |
| Laakmann, G; Matussek, N | 1 |
| Segal, JL | 1 |
| Brandt, D | 1 |
| Oguma, M; Ohkubo, K; Otorii, T; Suzuki, K | 1 |
| Collier, HO; Cuthbert, NJ; Francis, DL | 1 |
| Hald, T; Meyhoff, HH; Nordling, J | 2 |
| Yomaida, I | 1 |
| Baum, T; Moran, RM; Sabin, C | 1 |
| Belfield, PW; Goldstraw, PW; Taylor, SH; Thomas, RD; Watt, SJ | 1 |
| Hedler, L; Hertting, G; Reimann, W; Starke, K; Steinhauer, HB | 1 |
| de Koning, J; van Dieten, JA; van Rees, GP; van Valkenburg, CF | 1 |
| Greenberg, S | 1 |
| Altszuler, N; Hampshire, J | 1 |
| Katsuragi, T; Su, C | 1 |
| Graziani, G; Griffini, P; Luca, C | 1 |
| Isaacson, RL; Reinstein, DK | 1 |
| Jezová, D; Vigas, M | 1 |
| Moulds, RF; Rittinghausen, RE | 1 |
| Kim, YI; Kim, YJ; Lee, JH; Woo, JH | 1 |
| Krone, W; Müller-Wieland, D | 1 |
| Heyeraas, KJ; Kirkebø, A; Kristiansen, AB | 1 |
| Guarneri, L; Leonardi, A; Poggesi, E; Simonazzi, I; Taddei, C; Testa, R | 1 |
| Fukuda, H; Fukushima, C; Ono, H | 1 |
| Crepel, F; Hirsch, JC; Law-Tho, D | 1 |
| Badia, A; Sallés, J | 1 |
| Amabeoku, G; Chandomba, R | 1 |
| Moorman, SJ; Whalen, LR | 1 |
| Feder, HH; Malik, KF; Morrell, JI | 1 |
| Amabeoku, GJ | 1 |
| Dawes, P; Rochford, J | 1 |
| Edwards, G; Ibbotson, T; Weston, AH | 1 |
| Dawes, P; Rochford, J; Stewart, J | 1 |
| Ciranna, L; Li Volsi, G; Licata, F; Maugeri, G; Santangelo, F | 1 |
| Docherty, JR; Kearns, S; O'Rourke, M | 1 |
| Oriowo, MA | 1 |
| Chang, KC; Hahn, KH | 1 |
| Boldt, J; Detsch, O; Dietrich, GV; Drevermann, J; Heesen, M; Hempelmann, G | 1 |
| Bian, D; Lopez, Y; Nichols, ML; Ossipov, MH; Porreca, F | 1 |
| Caplea, A; Daneshvar, H; Dunphy, G; Ely, D; Milsted, A; Takiyyudin, M; Turner, M | 1 |
| Berkmiller, G; Falk, W; Frauenholz, T; Herrmann, M; Lang, B; Schölmerich, J; Straub, RH | 1 |
| Agostoni, E; Raffaini, A; Zocchi, L | 1 |
| Coupar, IM; Liu, L | 1 |
| Hasselblatt, A; Herrmann, C; Ratzka, P; Rustenbeck, I | 1 |
| Dan, K; Hirose, H; Maruyama, H; Nakamura, K; Saruta, T; Seto, Y | 1 |
| Duda, T; Sharma, RK; Venkataraman, V | 1 |
| Dobreva, G; Frieling, T; Neunlist, M; Schemann, M | 1 |
| Lung, MA | 1 |
| Arimitsu, M; Karaki, H; Koga, Y; Mitsui-Saito, M; Ozaki, H; Sato, K | 1 |
| Ibarra, M; López-Guerrero, JJ; Villalobos-Molina, R | 1 |
| Altenburg, SP; Farah, MB | 1 |
| García-Sáinz, JA; Torres-Padilla, ME | 1 |
| Hasselblatt, A; Kowalewski, R; Leupolt, L; Rustenbeck, I | 1 |
| Luthy, IA; Pignataro, O; Vázquez, SM | 1 |
| Dluzen, DE; Ebner, K; Engelmann, M; Landgraf, R; Muraoka, S | 1 |
| Marik, PE; Varon, J | 1 |
| Keef, KD; Mutafova-Yambolieva, VN | 1 |
| Anderson, M; Burleigh, D | 1 |
| Caldwell, TM; Criscione, KR; Grunewald, GL; Li, Q | 1 |
| Montpetit, CJ; Perry, SF | 1 |
| Collet, V; De Kock, M; Docquier, MA; Lavand'homme, P | 1 |
| Ai, H; Kurokawa, M; Kuwasawa, K; Matsushita, T; Uchimura, K | 1 |
| Leeson, AH; Lopez de Armentia, M; McLachlan, EM; Stebbing, MJ; Urban, L | 1 |
| Goncharenko, NV; Pankrat'ev, DV; Talalaenko, AN | 1 |
| Campos, M; Morais, Pde L; Pupo, AS | 1 |
| Bünemann, M; Lohse, MJ; Vilardaga, JP | 1 |
| Chlopicki, S; Gryglewski, RJ; Kozlovski, VI | 1 |
| Gets, J; Monroy, FP | 1 |
| Arai, J; Okada, S; Shimizu, T; Yamaguchi-Shima, N; Yokotani, K; Yorimitsu, M | 1 |
| Bhuiyan, ME; Cui, H; Gouraud, SS; Kohsaka, A; Maeda, M; Takagishi, M; Waki, H; Yamazaki, T | 1 |
| Chu, CC; Lin, MT; Shieh, JP; Wang, JJ | 1 |
| Fields, AM; Hoover, JM; Ibrahim, IN; Kaye, AD | 1 |
11 review(s) available for phentolamine and clonidine
| 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 |
DILIrank: the largest reference drug list ranked by the risk for developing drug-induced liver injury in humans.
Topics: Chemical and Drug Induced Liver Injury; Databases, Factual; Drug Labeling; Humans; Pharmaceutical Preparations; Risk | 2016 |
[New aspects in the treatment of acute cardiac insufficiency].
Topics: Adrenergic beta-Antagonists; Clonidine; Diazoxide; Digitalis Glycosides; Diuretics; Droperidol; Fentanyl; Fibrinolytic Agents; Heart Failure; Humans; Hydralazine; Isosorbide Dinitrate; Microcirculation; Myocardial Contraction; Neuroleptanalgesia; Nitroprusside; Phentolamine; Prazosin; Respiration, Artificial; Vascular Resistance; Vasodilator Agents | 1978 |
The role of brain and spinal cord norepinephrine in autoanalgesia.
Topics: Adrenergic alpha-Antagonists; Analgesia; Animals; Brain; Clonidine; Conditioning, Classical; Dose-Response Relationship, Drug; Drug Tolerance; Electroshock; Fear; Hydroxyindoleacetic Acid; Male; Methysergide; Nociceptors; Norepinephrine; p-Chloroamphetamine; Phenoxybenzamine; Phentolamine; Rats; Rats, Inbred Strains; Serotonin; Serotonin Antagonists; Spinal Cord; Time Factors; Tryptophan; Yohimbine | 1986 |
Phaeochromocytoma.
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Blood Pressure; Chromaffin Granules; Chromatography, High Pressure Liquid; Clonidine; Electrochemistry; Epinephrine; False Negative Reactions; Glucose Tolerance Test; Humans; Metanephrine; Norepinephrine; Normetanephrine; Phentolamine; Pheochromocytoma; Sympathetic Nervous System; Tomography, X-Ray Computed; Vanilmandelic Acid | 1985 |
Alpha-adrenergic receptor subtypes.
Topics: Animals; Binding, Competitive; Clonidine; Dihydroergotoxine; Epinephrine; Heart Rate; Humans; Hypertension; In Vitro Techniques; Models, Biological; Norepinephrine; Phentolamine; Prazosin; Radioligand Assay; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
The pharmacology of prazosin, a novel antihypertensive agent.
Topics: Adrenal Glands; Animals; Antihypertensive Agents; Brain; Clonidine; Dogs; Heart Rate; Humans; Hypotension, Orthostatic; Norepinephrine; Phentolamine; Prazosin; Quinazolines; Rabbits; Rats; Receptors, Adrenergic, alpha; Renin; Substrate Specificity | 1980 |
Hypertensive crisis.
Topics: Antihypertensive Agents; Brain Diseases; Cerebrovascular Disorders; Clonidine; Coronary Disease; Diazoxide; Eclampsia; Emergencies; Female; Humans; Hydralazine; Hypertension; Hypertension, Malignant; Labetalol; Minoxidil; Nifedipine; Nitroprusside; Phentolamine; Prazosin; Pregnancy; Pulmonary Edema; Trimethaphan | 1984 |
Hypertensive emergencies: practical approach to treatment.
Topics: Administration, Oral; Antihypertensive Agents; Child; Clonidine; Diazoxide; Emergencies; Female; Humans; Hydralazine; Hypertension; Injections, Intravenous; Male; Methyldopa; Middle Aged; Nitroprusside; Phenoxybenzamine; Phentolamine; Prostaglandins A; Reserpine; Trimethaphan | 1980 |
[Therapy of hypertensive crisis].
Topics: Acute Disease; Bed Rest; Cardiac Glycosides; Clonidine; Diazoxide; Dihydralazine; Diuretics; Heart Failure; Humans; Hypertension; Nitroprusside; Phentolamine; Reserpine | 1980 |
The diagnosis and management of hypertensive crises.
Topics: Antihypertensive Agents; Aortic Aneurysm; Aortic Dissection; Clonidine; Diazoxide; Enalaprilat; Female; Fenoldopam; Humans; Hypertension; Labetalol; Nicardipine; Nifedipine; Nitroprusside; Phentolamine; Pre-Eclampsia; Pregnancy; Propanolamines; Trimethaphan | 2000 |
1 trial(s) available for phentolamine and clonidine
| Article | Year |
|---|---|
Blood pressure crisis following withdrawal of clonidine (Catapres, Catapresan), with special reference to arterial and urinary catecholamine levels, and suggestions for acute management.
Topics: Adult; Blood Pressure; Catecholamines; Clonidine; Female; Humans; Hypertension; Male; Middle Aged; Phentolamine; Placebos; Propranolol; Reserpine; Substance Withdrawal Syndrome | 1973 |
384 other study(ies) available for phentolamine and clonidine
| Article | Year |
|---|---|
Two stereoisomeric imidazoline derivatives: synthesis and optical and alpha 2-adrenoceptor activities.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Brain; Clonidine; Drug Evaluation, Preclinical; Imidazoles; Indicators and Reagents; Male; Optical Rotation; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Stereoisomerism; Structure-Activity Relationship | 1986 |
Functional group contributions to drug-receptor interactions.
Topics: Animals; Calorimetry; Kinetics; Models, Biological; Protein Binding; Receptors, Cell Surface; Receptors, Drug; Structure-Activity Relationship | 1984 |
1-(alkylamino)isochromans: hypotensives with peripheral and central activities.
Topics: Adrenergic alpha-Antagonists; Animals; Antihypertensive Agents; Benzopyrans; Blood Pressure; Brain; Cats; Chromans; Female; Heart Rate; Male; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Structure-Activity Relationship; Sympathetic Nervous System | 1982 |
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 |
Molecular basis of inverse agonism in a G protein-coupled receptor.
Topics: Adrenergic alpha-2 Receptor Agonists; Cell Line; Fluorescence Resonance Energy Transfer; Humans; Ligands; Protein Binding; Receptors, Adrenergic, alpha-2; Receptors, G-Protein-Coupled; Signal Transduction | 2005 |
QSAR study of imidazoline antihypertensive drugs.
Topics: Antihypertensive Agents; Binding Sites; Imidazoline Receptors; Imidazolines; Ligands; Models, Molecular; Molecular Structure; Quantitative Structure-Activity Relationship | 2008 |
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 |
Development of a phospholipidosis database and predictive quantitative structure-activity relationship (QSAR) models.
Topics: | 2008 |
FDA-approved drug labeling for the study of drug-induced liver injury.
Topics: Animals; Benchmarking; Biomarkers, Pharmacological; Chemical and Drug Induced Liver Injury; Drug Design; Drug Labeling; Drug-Related Side Effects and Adverse Reactions; Humans; Pharmaceutical Preparations; Reproducibility of Results; United States; United States Food and Drug Administration | 2011 |
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 |
Development of a cell viability assay to assess drug metabolite structure-toxicity relationships.
Topics: Adenosine Triphosphate; Benzbromarone; Cell Line; Cell Survival; Chromans; Cytochrome P-450 CYP2C9; Cytochrome P-450 CYP2D6; Cytochrome P-450 CYP3A; Cytochrome P-450 Enzyme System; Humans; Pharmaceutical Preparations; Thiazolidinediones; Troglitazone | 2016 |
The effect of alpha-adrenolytics on the levels of 5-hydroxytryptamine and 5-hydroxyindoleacetic acid in rat's brain.
Topics: Adrenergic alpha-Antagonists; Animals; Brain; Brain Chemistry; Butyrophenones; Clonidine; Hydroxyindoleacetic Acid; Levodopa; Male; Phenoxybenzamine; Phentolamine; Probenecid; Rats; Reserpine; Serotonin | 1975 |
Evidence for a renal alpha-adrenergic receptor inhibiting renin release.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Chlorisondamine; Clonidine; Clozapine; Hyponatremia; Juxtaglomerular Apparatus; Male; Methoxamine; Phenoxybenzamine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Renin; Sympathetic Nervous System | 1976 |
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 |
Effect of clonidine on cardiac acceleration in pithed rats.
Topics: Adrenal Glands; Animals; Blood Pressure; Clonidine; Desipramine; Electric Stimulation; Heart; Heart Rate; Male; Norepinephrine; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Stimulation, Chemical | 1977 |
Stress-induced alterations of cyclic nucleotide levels in brain: effects of centrally acting drugs.
Topics: Aminooxyacetic Acid; Animals; Brain; Brain Chemistry; Chlorpromazine; Clonidine; Cyclic AMP; Cyclic GMP; Diazepam; Diphenhydramine; Haloperidol; Indomethacin; Male; Mice; Pentobarbital; Phentolamine; Propanolamines; Propranolol; Reserpine; Stress, Physiological | 1977 |
Selectivity of blocking agents for pre-and postsynaptic alpha-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Synapses; Vas Deferens; Yohimbine | 1977 |
Some cardiovascular effects of ST-91 and clonidine.
Topics: Administration, Oral; Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Desipramine; Dogs; Electric Stimulation; Female; Heart Rate; Hemodynamics; Hypertension; Imidazoles; Injections, Intraventricular; Male; Phenoxybenzamine; Phentolamine; Rats; Time Factors; Vagotomy | 1977 |
Inhibitory effects of clonidine on responses to sympathetic nerve stimulation in the pithed rat.
Topics: Adrenergic alpha-Agonists; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Eyelids; Heart Rate; Male; Muscle Contraction; Naphazoline; Phentolamine; Pressoreceptors; Rats; Sympathetic Nervous System; Synaptic Transmission; Vas Deferens | 1977 |
Prazosin: differential affinities for two populations of alpha-noradrenergic receptor binding sites.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dihydroergotoxine; In Vitro Techniques; Male; Phenoxybenzamine; Phentolamine; Prazosin; Quinazolines; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1978 |
Mianserin--an analysis of its peripheral autonomic actions.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Desipramine; Dibenzazepines; Electric Stimulation; Male; Mianserin; Norepinephrine; Phenoxybenzamine; Phentolamine; Rats; Tyramine; Yohimbine | 1978 |
A comparative study on the pre- and post-synaptic alpha blocking activity of a series of benzodioxanes.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; In Vitro Techniques; Male; Muscle Contraction; Phentolamine; Piperidines; Piperoxan; Rats; Synapses; Yohimbine | 1978 |
Action of indoramin on pre- and postsynaptic alpha-adrenoceptors in pithed rats.
Topics: Animals; Blood Pressure; Clonidine; Female; Heart Rate; Indoles; Indoramin; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Spinal Cord | 1978 |
Partial agonist of clonidine on prejunctional and postjunctional alpha-adrenoceptors.
Topics: Adrenergic alpha-Agonists; Animals; Aorta, Thoracic; Clonidine; Female; In Vitro Techniques; Male; Muscle Contraction; Myocardial Contraction; Neuromuscular Junction; Norepinephrine; Phentolamine; Rabbits; Time Factors | 1978 |
Presynaptic muscarinic and alpha-adrenergic receptor blocking effect of atropine on the noradrenergic neurones of the rabbit pulmonary artery.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Animals; Atropine; Clonidine; Drug Interactions; Electric Stimulation; Neurons; Norepinephrine; Phentolamine; Pulmonary Artery; Rabbits; Receptors, Cholinergic; Receptors, Muscarinic | 1979 |
Characterization of receptors on postganglionic cholinergic neurons in the guinea-pig isolated ileum.
Topics: Acetylcholine; Animals; Apomorphine; Autonomic Fibers, Postganglionic; Clonidine; Dopamine; Drug Interactions; Electric Stimulation; Female; Guinea Pigs; Ileum; In Vitro Techniques; Isoproterenol; Male; Neurons; Norepinephrine; Phentolamine; Pimozide; Receptors, Cholinergic | 1979 |
Effect of histamine H2-receptor antagonist, cimetidine, on hypothermia induced by an alpha-adrenergic agonist, clonidine, in the rat [proceedings].
Topics: Adrenergic alpha-Agonists; Animals; Body Temperature; Cimetidine; Clonidine; Drug Interactions; Guanidines; Phentolamine; Rats | 1979 |
Prazosin and phentolamine: comparative cardiovascular and autonomic profiles.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Denervation; Dogs; Female; Guinea Pigs; Heart; In Vitro Techniques; Leg; Male; Phenoxybenzamine; Phentolamine; Prazosin; Quinazolines; Rats; Sympathetic Nervous System; Vasodilator Agents | 1978 |
Anaesthetised normotensive rats for the detection of hypotensive activity of a beta-adrenoceptor antagonist and other antihypertensive agents.
Topics: Adrenergic beta-Antagonists; Anesthesia; Animals; Antihypertensive Agents; Barbiturates; Chloralose; Clonidine; Dihydralazine; Guanethidine; Injections, Intra-Arterial; Injections, Intravenous; Male; Methyldopa; Phentolamine; Propranolol; Rats; Reserpine | 1978 |
The role of alpha-adrenoceptors in the regulation of pentylenetetrazol convulsions in mice.
Topics: Animals; Clonidine; Hydroxydopamines; Male; Mice; Pentylenetetrazole; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Seizures | 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 |
Presynaptic alpha-adrenoceptor blocking properties among tri- and tetra-cyclic antidepressant drugs.
Topics: Adrenergic alpha-Antagonists; Animals; Antidepressive Agents; Antidepressive Agents, Tricyclic; Clonidine; Cocaine; Drug Interactions; Electric Stimulation; In Vitro Techniques; Male; Mice; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Synapses; Vas Deferens | 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 |
Possible involvement of endogenous histamine in the myotropic effect of clonidine on the isolated rabbit aorta.
Topics: Amine Oxidase (Copper-Containing); Animals; Aorta, Thoracic; Blood Vessels; Clonidine; Female; Histamine; Histidine Decarboxylase; In Vitro Techniques; Male; Metiamide; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Pyrilamine; Rabbits | 1978 |
Effects of estrogens on the characteristics of [3H]spiroperidol and [3H]RU24213 binding in rat anterior pituitary gland and brain.
Topics: Animals; Apomorphine; Binding, Competitive; Brain; Butyrophenones; Castration; Clonidine; Dihydroergotoxine; Estradiol; Female; Phenethylamines; Phentolamine; Pituitary Gland, Anterior; Rats; Receptors, Dopamine; Spiperone | 1979 |
Reversible depression of electrically-induced contractions of guinea pig longitudinal muscle by a reversible inhibitor of prostaglandin synthetase.
Topics: Amidines; Animals; Chlorphenamidine; Clonidine; Cyclooxygenase Inhibitors; Guinea Pigs; Indomethacin; Lidocaine; Morphine; Muscle Contraction; Naloxone; Norepinephrine; Phentolamine; Prostaglandins E; Tolazoline | 1979 |
Possible involvement of a central noradrenergic system in automutilation induced by clonidine in mice.
Topics: 5-Hydroxytryptophan; Animals; Brain; Brain Chemistry; Caffeine; Catecholamines; Chlorpromazine; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Fenclonine; Humans; Levodopa; Male; Methamphetamine; Methyltyrosines; Mice; Phenoxybenzamine; Phentolamine; Reserpine; Self Mutilation; Sympathetic Nervous System; Theophylline | 1977 |
Catecholamine receptor agonists: effects on motor activity and rate of tyrosine hydroxylation in mouse brain.
Topics: Animals; Apomorphine; Benzyl Compounds; Brain Stem; Cerebral Cortex; Clonidine; Corpus Striatum; Dihydroxyphenylalanine; Dopamine; Dose-Response Relationship, Drug; Female; Hydrazines; Hydroxylation; Limbic System; Mice; Motor Activity; Norepinephrine; Phentolamine; Receptors, Neurotransmitter; Reserpine; Time Factors; Tyrosine | 1976 |
On the role of the central noradrenergic and dopaminergic systems in the regulation of TSH secretion in the rat.
Topics: Animals; Apomorphine; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Clonidine; Ditiocarb; Dopamine; Kinetics; Male; Methyltyrosines; Norepinephrine; Phenoxybenzamine; Phentolamine; Pituitary Gland; Propranolol; Rats; Spiperone; Stress, Physiological; Thyrotropin; Thyrotropin-Releasing Hormone | 1977 |
Presynaptic alpha-adenoceptors: the depression of self-stimulation by clonidine and its restoration by piperoxane but not by phentolamine or phenoxybenzamine.
Topics: Animals; Clonidine; Drug Interactions; Male; Phenoxybenzamine; Phentolamine; Piperidines; Piperoxan; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Self Stimulation; Stereotaxic Techniques; Synapses | 1977 |
Influence of apomorphine on sympathetic neural transmission in the nictitating membrane of the cat.
Topics: Animals; Apomorphine; Cats; Clonidine; Dopamine; Haloperidol; Muscle Contraction; Neural Inhibition; Nictitating Membrane; Norepinephrine; Phentolamine; Receptors, Adrenergic; Sympathetic Nervous System; Synaptic Transmission | 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 |
On the mode of action of clonidine: relationship between effects on behaviour and cyclic nucleotide content in mouse brain.
Topics: Amphetamine; Animals; Apomorphine; Atropine; Behavior, Animal; Brain Chemistry; Clonidine; Cyclic GMP; Exophthalmos; Male; Mice; Mice, Inbred Strains; Motor Activity; Phentolamine; Piloerection; Reserpine; Scopolamine; Time Factors | 1977 |
Subsensitivity of the presynaptic alpha adrenoceptors after short-term surgical denervation of the cat nictitating membrane.
Topics: Animals; Cats; Clonidine; Denervation; Electric Stimulation; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Nictitating Membrane; Norepinephrine; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synaptic Transmission; Time Factors | 1977 |
In vitro determination of the ability of drugs to bind to adrenergic receptors.
Topics: Alprenolol; Animals; Ciliary Body; Clonidine; Dihydroergotoxine; Dopamine; Epinephrine; In Vitro Techniques; Iris; Isoproterenol; Male; Phentolamine; Propranolol; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Timolol | 1977 |
Role of brain norepinephrine in neuroleptic-induced catalepsy in rats.
Topics: Animals; Bis(4-Methyl-1-Homopiperazinylthiocarbonyl)disulfide; Brain; Brain Chemistry; Butyrophenones; Catalepsy; Clonidine; Ditiocarb; Dopamine; Drug Interactions; Humans; Male; Norepinephrine; Phentolamine; Propranolol; Rats | 1977 |
Accumulation of cyclic adenosine 3',5'-monophosphate in human cerebellar cortex slices: effect of monoamine receptor agonists and antagonists.
Topics: Adolescent; Cerebellar Cortex; Chlorpromazine; Clonidine; Cyclic AMP; Dopamine; Dose-Response Relationship, Drug; Epinephrine; Humans; In Vitro Techniques; Isoproterenol; Male; Norepinephrine; Phentolamine; Serotonin | 1978 |
Direct biochemical demonstration of two types of alpha-adrenoreceptor in rat brain.
Topics: Animals; Binding, Competitive; Brain; Clonidine; Dihydroergotoxine; Dopamine; Male; Phenoxybenzamine; Phentolamine; Piperoxan; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synaptic Membranes; Yohimbine | 1978 |
Prazosin and presynaptic alpha-receptors in the cardioaccelerator nerve of the dog.
Topics: Animals; Clonidine; Dogs; Electric Stimulation; Female; Heart; Heart Rate; Male; Myocardial Contraction; Phentolamine; Prazosin; Pulmonary Artery; Quinazolines; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vagotomy; Yohimbine | 1978 |
Hyperpolarizing 'alpha 2'-adrenoceptors in rat sympathetic ganglia.
Topics: Animals; Catecholamines; Clonidine; Ganglia, Autonomic; In Vitro Techniques; Isoproterenol; Male; Norepinephrine; Oxymetazoline; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Dopamine; Time Factors | 1979 |
Catecholaminergic control of thyrotropin secretion.
Topics: Animals; Catecholamines; Clonidine; Cold Temperature; Ditiocarb; Male; Methyltyrosines; Phentolamine; Pimozide; Propranolol; Rats; Reserpine; Thyrotropin; Thyrotropin-Releasing Hormone | 1979 |
Suppression of plasma catecholamines and flushing by clonidine in man.
Topics: Adenoma, Islet Cell; Adult; Blood Pressure; Catecholamines; Clonidine; Diabetes Mellitus; Face; Female; Humans; Hypertension; Male; Malignant Carcinoid Syndrome; Middle Aged; Norepinephrine; Phentolamine | 1978 |
Cyclic adenosine 3',5'-monophosphate in rat cerebral cortical slices: effects of methoxamine and clonidine.
Topics: Adenosine; Animals; Cerebral Cortex; Clonidine; Cyclic AMP; Isoproterenol; Male; Methoxamine; Norepinephrine; Phentolamine; Propranolol; Rats | 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 |
The influence of adrenergic, dopaminergic, cholinergic and serotoninergic drugs on plasma prolactin levels in ovariectomized, estrogen-treated rats.
Topics: Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Apomorphine; Arecoline; Atropine; Castration; Clonidine; Dibenzothiepins; Dopamine; Estradiol; Female; Isoproterenol; Mecamylamine; Nicotine; Parasympathomimetics; Phenoxybenzamine; Phentolamine; Pimozide; Piperazines; Prolactin; Rats; Serotonin; Serotonin Antagonists; Stimulation, Chemical; Sulfides | 1975 |
The central modulatory effect of clonidine on the cardiodepressor reflex after suppression of synthesis and storage of noradrenaline.
Topics: Adrenergic beta-Antagonists; Angiotensin II; Animals; Blood Pressure; Brain; Clonidine; Decerebrate State; Heart; Heart Rate; Male; Methyltyrosines; Norepinephrine; Phentolamine; Phenyl Ethers; Propanolamines; Rats; Reflex; Reserpine; Stimulation, Chemical | 1975 |
Effects of clonidine and BS 100-141 on the EEG sleep pattern in rats.
Topics: Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Electroencephalography; Female; Guanidines; Phentolamine; Phenylacetates; Rats; Reserpine; Sleep; Spinal Cord; Vagotomy | 1975 |
Effects of phentolamine and clonidine on pituitary-adrenocortical axis during stress in conscious rats.
Topics: Animals; Clonidine; Corticosterone; Male; Phentolamine; Pituitary-Adrenal System; Rats; Restraint, Physical; Stress, Physiological | 1978 |
Effects of clonidine on habituation and sensitization of acoustic startle in normal, decerebrate and locus coeruleus lesioned rats.
Topics: Acoustic Stimulation; Animals; Cerebral Ventricles; Clonidine; Decerebrate State; Drug Interactions; Habituation, Psychophysiologic; Male; Phentolamine; Piperoxan; Rats; Reflex, Startle; Time Factors | 1977 |
Suppression of vasopressin secretion by clonidine: effect of alpha-adrenoceptor antagonists.
Topics: Animals; Blood Pressure; Clonidine; Dogs; Female; Heart Rate; Male; Phentolamine; Piperidines; Piperoxan; Vasopressins | 1979 |
Effect of prostaglandin E1 and indomethacin on responses of longitudinal muscle of guinea-pig ileum to cholecystokinin.
Topics: Acetylcholine; Animals; Cecum; Cholecystokinin; Clonidine; Electric Stimulation; Female; Guinea Pigs; Ileum; In Vitro Techniques; Indomethacin; Male; Membrane Potentials; Morphine; Muscle Contraction; Naloxone; Norepinephrine; Phentolamine; Prostaglandins E; Tetrodotoxin | 1979 |
Effects of clonidine, prazosin and phentolamine on heart rate and coronary sinus catecholamine concentration during cardioaccelerator nerve stimulation in spinal dogs.
Topics: Animals; Catecholamines; Clonidine; Coronary Vessels; Dogs; Drug Interactions; Electric Stimulation; Female; Heart; Heart Rate; Male; Phentolamine; Prazosin; Quinazolines; Spinal Cord; Time Factors | 1979 |
Effects of pretreatment with 6-hydroxydopamine or noradrenergic receptor blockers on the clonidine-induced distruption of conditioned avoidance responding.
Topics: Animals; Avoidance Learning; Clonidine; Dose-Response Relationship, Drug; Drug Interactions; Hydroxydopamines; Male; Phentolamine; Propranolol; Rats; Sympatholytics; Yohimbine | 1979 |
Anticonvulsant effect of yohimbine in quaking mice: antagonism by clonidine and prazosine.
Topics: Animals; Anticonvulsants; Clonidine; Male; Mice; Mice, Quaking; Phentolamine; Prazosin; Quinazolines; Seizures; Yohimbine | 1979 |
Similarities in effects of acetylcholine and dopamine on horizontal cells in the fish retina.
Topics: Acetylcholine; Action Potentials; Animals; Atropine; Cholinesterase Inhibitors; Clonidine; Dopamine; Fishes; Hexamethonium Compounds; Membrane Potentials; Phentolamine; Photic Stimulation; Photoreceptor Cells; Physostigmine; Retina | 1979 |
[Therapy of hypertensive crisis].
Topics: Acute Disease; Adrenal Gland Neoplasms; Antihypertensive Agents; Clonidine; Diazoxide; Dihydralazine; Humans; Hypertension; Nitroprusside; Phentolamine; Pheochromocytoma; Reserpine | 1977 |
[Treatment of hypertensive emergencies].
Topics: Clonidine; Diazoxide; Emergencies; Family Practice; Furosemide; Hospitalization; Humans; Hypertension; Nitroprusside; Phentolamine; Renal Dialysis; Reserpine | 1978 |
Induction of defective insulin secretion and impaired glucose tolerance by clonidine. Selective stimulation of metabolic alpha-adrenergic pathways.
Topics: Adult; Blood Glucose; Clonidine; Glucagon; Humans; Insulin; Male; Middle Aged; Paraplegia; Phentolamine | 1978 |
[Effect of clonidine on plasma insulin level in mice (author's transl)].
Topics: Animals; Blood Glucose; Clonidine; Epinephrine; Insulin; Male; Mice; Phentolamine; Propranolol | 1978 |
Adrenergic and dopaminergic control of growth hormone secretion in urethan anesthetized adult male rats.
Topics: Animals; Apomorphine; Clonidine; Dose-Response Relationship, Drug; Growth Hormone; Injections, Intraventricular; Levodopa; Male; Norepinephrine; Phentolamine; Pimozide; Prolactin; Rats; Sympatholytics; Sympathomimetics; Urethane | 1978 |
Ophthalmological and pharmacological studies after administration of clonidine in rats.
Topics: Animals; Clonidine; Cornea; Exophthalmos; Eye; Eye Diseases; Female; Male; Phentolamine; Rats; Rats, Inbred Strains; Tears | 1978 |
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 |
Possible peripheral adrenergic and central dopaminergic influences in memory consolidation.
Topics: Animals; Apomorphine; Avoidance Learning; Clonidine; Dopamine; Female; Haloperidol; Male; Memory; Phenoxybenzamine; Phentolamine; Rats; Retention, Psychology; Sympathetic Nervous System | 1976 |
Effects of phentolamine, phenoxybenzamine and desipramine on clonidine-induced blockade of cardiac acceleration in the dog.
Topics: Animals; Clonidine; Desipramine; Dogs; Drug Interactions; Electric Stimulation; Female; Heart; Heart Rate; Male; Phenoxybenzamine; Phentolamine; Time Factors | 1977 |
Effect of clonidine on blood pressure, heart rate and body temperature in conscious rats.
Topics: Anesthesia; Animals; Atropine; Blood Pressure; Body Temperature; Chlorpromazine; Clonidine; Desipramine; Drug Synergism; Guanethidine; Heart Rate; Hexamethonium Compounds; Injections, Intravenous; Injections, Subcutaneous; Male; Phentolamine; Rats; Reserpine | 1977 |
Cardiovascular changes induced by large doses of clonidine in mice.
Topics: Animals; Atropine; Blood Pressure; Clonidine; Dopamine; Heart Rate; Male; Mice; Phentolamine; Propranolol; Vagotomy | 1977 |
The ability of pimozide to prevent inhibition by dopamine analogs of cardioaccelerator nerves in cat hearts.
Topics: Animals; Apomorphine; Cats; Clonidine; Dopamine; Electric Stimulation; Female; Heart; Heart Rate; In Vitro Techniques; Male; Phentolamine; Pimozide | 1976 |
No evidence for central histamine-receptor involvement with the hypotensive effect of clonidine in cats.
Topics: Animals; Behavior, Animal; Blood Pressure; Cats; Clonidine; Injections, Intraventricular; Metiamide; Phentolamine; Procaine; Pyrilamine; Receptors, Histamine; Tolazoline | 1976 |
Inhibitory effects of clonidine and BS 100-141 on responses to sympathetic nerve stimulation in cats and rabbits.
Topics: Animals; Autonomic Fibers, Postganglionic; Autonomic Fibers, Preganglionic; Cats; Clonidine; Electric Stimulation; Female; Guanidines; Heart Rate; In Vitro Techniques; Male; Muscle Contraction; Myocardium; Nictitating Membrane; Norepinephrine; Perfusion; Phentolamine; Phenylacetates; Rabbits; Spinal Nerves; Sympathetic Nervous System | 1975 |
Comparative effects of four migraine prophylactic drugs on an isolated extracranial artery.
Topics: Animals; Carotid Artery, External; Chlorides; Clonidine; Cyproheptadine; Drug Interactions; Histamine; Methysergide; Norepinephrine; Phentolamine; Pizotyline; Potassium; Pyrilamine; Rabbits; Serotonin; Thiophenes; Tryptamines; Tyramine; Vasoconstrictor Agents | 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 |
[Modulation of heart rhythm by alpha-1 adrenoreceptors].
Topics: Animals; Arrhythmias, Cardiac; Clonidine; Dioxanes; Dogs; Electrocardiography; Heart Rate; Myocardial Ischemia; Phentolamine; Rats; Receptors, Adrenergic, alpha | 1992 |
Alpha 2-receptor-mediated inhibition of intraluminal release of gastric somatostatin in anaesthetized rats.
Topics: Anesthesia; Animals; Clonidine; Electric Stimulation; Gastric Mucosa; Gastrins; Hydrogen-Ion Concentration; Male; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Somatostatin; Sympathetic Nervous System; Vagus Nerve | 1992 |
Imidazoline antagonists of alpha 2-adrenoceptors increase insulin release in vitro by inhibiting ATP-sensitive K+ channels in pancreatic beta-cells.
Topics: Adenosine Triphosphate; Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Antazoline; Clonidine; Electrophysiology; Female; In Vitro Techniques; Insulin; Islets of Langerhans; Mice; Phentolamine; Potassium; Potassium Channels; Tolazoline | 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 |
Histamine H3-receptors inhibit sympathetic neurotransmission in guinea pig myocardium.
Topics: Animals; Chlorpheniramine; Clenbuterol; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Evoked Potentials; Guinea Pigs; Heart; Heart Atria; In Vitro Techniques; Methylhistamines; Nerve Endings; Norepinephrine; Phentolamine; Piperidines; Propranolol; Ranitidine; Receptors, Histamine; Receptors, Histamine H3; Sympathetic Nervous System; Synaptic Transmission | 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 |
Interaction of the alpha-adrenoceptor agonist oxymetazoline with serotonin 5-HT1A, 5-HT1B, 5-HT1C and 5-HT1D receptors.
Topics: Adrenergic alpha-Agonists; Animals; Brain; Cattle; Clonidine; In Vitro Techniques; Kinetics; Methiothepin; Oxymetazoline; Phentolamine; Rats; Receptors, Serotonin; Swine | 1991 |
Interaction of subtype-selective antagonists with alpha 1-adrenergic receptor binding sites in rat tissues.
Topics: Adrenergic alpha-Antagonists; Animals; Binding Sites; Binding, Competitive; Calcium Channel Blockers; Clonidine; Dihydropyridines; Dioxanes; Kinetics; Male; Membranes; Phentolamine; Piperazines; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Time Factors | 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 |
Differences in the central hypotensive actions of alpha-methyldopa and clonidine in the spontaneously hypertensive rat: contribution of neurons arising from the B3 and the C1 areas of the rostral ventrolateral medulla.
Topics: 5,7-Dihydroxytryptamine; Animals; Blood Pressure; Clonidine; Male; Medulla Oblongata; Methyldopa; Microinjections; Neurons; Phentolamine; Rats; Rats, Inbred SHR | 1990 |
Significance of adrenoceptor-mediated atrial natriuretic factor release in normal humans.
Topics: Adult; Albuterol; Atrial Natriuretic Factor; Central Venous Pressure; Clonidine; Epinephrine; Female; Heart Rate; Humans; Male; Norepinephrine; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1991 |
Desipramine enhances isolation-induced aggressive behavior in mice.
Topics: Aggression; Animals; Clonidine; Desipramine; Imipramine; Male; Mice; Mice, Inbred Strains; Motor Activity; Phentolamine; Prazosin; Social Isolation; Yohimbine | 1991 |
Intrathecal coadministration of clonidine with serotonin receptor agonists produces supra-additive visceral antinociception in the rat.
Topics: Amphetamines; Analgesics; Animals; Biogenic Monoamines; Clonidine; Dose-Response Relationship, Drug; Indoles; Injections, Spinal; Male; Methysergide; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Serotonin; Serotonin Antagonists; Yohimbine | 1991 |
Physiological role of alpha-adrenoceptors in salivary secretion.
Topics: Animals; Autonomic Nervous System; Clonidine; Dose-Response Relationship, Drug; Female; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Submandibular Gland; Yohimbine | 1990 |
Aggravating action of clonidine on ethanol-induced gastric lesions: probable mechanism of action.
Topics: Animals; Cimetidine; Clonidine; Drug Synergism; Ethanol; Male; Naloxone; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Histamine H2; Receptors, Opioid; Stomach Ulcer | 1990 |
Pharmacological subclassification of alpha 1-adrenoceptors in vascular smooth muscle.
Topics: Acetonitriles; Adrenergic alpha-Antagonists; Animals; Blood Vessels; Clonidine; Dioxanes; Dogs; Female; Guinea Pigs; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Nifedipine; Norepinephrine; Phentolamine; Prazosin; Rabbits; Rats; Receptors, Adrenergic, alpha; Species Specificity; Yohimbine | 1990 |
Effects of alpha- and beta-adrenergic agonists and antagonists on growth hormone secretion in man.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Adult; Albuterol; Clonidine; Growth Hormone; Growth Hormone-Releasing Hormone; Humans; Male; Methoxamine; Phentolamine; Yohimbine | 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 |
Interaction of intrathecal morphine and ST-91 on antinociception in the rat: dose-response analysis, antagonism and clearance.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dose-Response Relationship, Drug; Drug Interactions; Drug Synergism; Injections, Spinal; Male; Morphine; Naloxone; Pain; Parasympathomimetics; Phentolamine; Rats; Rats, Inbred Strains; Reaction Time; Regression Analysis | 1990 |
[The identification and characteristics of subpopulations of alpha 1-adrenergic receptors].
Topics: Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Brain Chemistry; Calcium; Clonidine; Dioxanes; GTP-Binding Proteins; Liver; Microsomes; Phentolamine; Prazosin; Rats; Receptors, Adrenergic, alpha | 1990 |
Demonstration of intrathecal and systemic morphine and ST-91 effects on fed canine upper gut motility.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dogs; Drug Interactions; Eating; Gastrointestinal Motility; Injections, Intravenous; Injections, Spinal; Morphine; Naloxone; Phentolamine; Propranolol | 1990 |
The effect of phentolamine on the pressor response to centrally administered clonidine in rats.
Topics: Animals; Blood Pressure; Cerebral Ventricles; Clonidine; Heart Rate; Hypothalamic Area, Lateral; Male; Phentolamine; Rats; Rats, Inbred Strains | 1990 |
Characterization of responses to cromakalim and pinacidil in smooth and cardiac muscle by use of selective antagonists.
Topics: Animals; Aorta, Thoracic; Benzopyrans; Clonidine; Coronary Vessels; Cromakalim; Dogs; Electric Stimulation; Glyburide; Guanidines; Guinea Pigs; Heart; In Vitro Techniques; Isoproterenol; Muscle Contraction; Muscle, Smooth; Muscle, Smooth, Vascular; Myocardial Contraction; Phentolamine; Pinacidil; Potassium Channels; Pyrroles; Rats | 1990 |
Prejunctional alpha 1-adrenoceptors modify release of [3H]noradrenaline in the guinea-pig vas deferens.
Topics: Animals; Clonidine; Cocaine; Desoxycorticosterone; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Male; Methoxamine; Muscle, Smooth; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Vas Deferens; Yohimbine | 1990 |
Attenuation of vagal action following sympathetic stimulation is modulated by prejunctional alpha 2-adrenoceptors in the dog.
Topics: Animals; Clonidine; Dogs; Electric Stimulation; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Reproducibility of Results; Sympathetic Nervous System; Vagus Nerve | 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 |
Stereostructure activity relationships of catecholamines on human platelet function.
Topics: Adenosine Diphosphate; Alprostadil; Blood Platelets; Catecholamines; Clonidine; Deoxyepinephrine; Dopamine; Epinephrine; Humans; Isomerism; Isoproterenol; Nordefrin; Norepinephrine; Phentolamine; Platelet Aggregation; Platelet Aggregation Inhibitors; Structure-Activity Relationship | 1990 |
[Effect of locus coeruleus stimulation and electroacupuncture on nociceptive response of spinal dorsal horn neurons in rats].
Topics: Animals; Clonidine; Electroacupuncture; Female; Locus Coeruleus; Male; Naloxone; Neurons, Afferent; Nociceptors; Phentolamine; Raphe Nuclei; Rats; Rats, Inbred Strains; Spinal Cord | 1990 |
The effects of phosphatidylserine on the decreased cardiovascular response to clonidine microinfused into the nucleus tractus solitarii of old rats.
Topics: Aging; Animals; Blood Pressure; Clonidine; Heart Rate; Hemodynamics; Infusions, Intravenous; Male; Medulla Oblongata; Methoxamine; Phentolamine; Phosphatidylserines; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Yohimbine | 1990 |
The properties of the clonidine withdrawal response of guinea-pig isolated ileum.
Topics: Animals; Atropine; Clonidine; Drug Interactions; Enkephalin, Methionine; Guinea Pigs; Humans; Ileum; In Vitro Techniques; Muscle Contraction; Norepinephrine; Phentolamine; Substance P; Substance Withdrawal Syndrome; 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 |
Role of adenylate cyclase in presynaptic alpha 2-adrenoceptor- and mu-opioid receptor-mediated inhibition of [3H]noradrenaline release from rat brain cortex slices.
Topics: 1-Methyl-3-isobutylxanthine; 8-Bromo Cyclic Adenosine Monophosphate; Adenylyl Cyclases; Animals; Bucladesine; Cadmium; Calcimycin; Cerebral Cortex; Clonidine; Colforsin; Cyclic AMP; Electric Stimulation; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; Morphine; Norepinephrine; Phentolamine; Pyrrolidinones; Rats; Receptors, Adrenergic, alpha; Receptors, Opioid; Receptors, Opioid, mu; Rolipram | 1986 |
Modulation of norepinephrine release through alpha 1- and alpha 2-adrenoceptors in rat isolated kidney.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Dioxanes; Electric Stimulation; Idazoxan; In Vitro Techniques; Kidney; Male; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sympathetic Nervous System | 1987 |
Influence of androgenic status on the alpha 2/beta-adrenergic control of lipolysis in white fat cells: predominant alpha 2-antilipolytic response in testosterone-treated-castrated hamsters.
Topics: 1-Methyl-3-isobutylxanthine; Adipose Tissue; Animals; Brimonidine Tartrate; Clonidine; Colforsin; Cricetinae; Cyclic AMP; Epinephrine; Isoproterenol; Lipolysis; Male; Mesocricetus; Niacin; Orchiectomy; Phentolamine; Propranolol; Quinoxalines; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Testosterone | 1988 |
Alpha-adrenoceptor influence on plasma levels of neuropeptide Y-like immunoreactivity and catecholamines during rest and sympathoadrenal activation in humans.
Topics: Adrenal Glands; Adult; Catecholamines; Clonidine; Exercise; Humans; Male; Neuropeptide Y; Nifedipine; Norepinephrine; Phentolamine; Receptors, Adrenergic, alpha; Rest; Sympathetic Nervous System | 1988 |
Decreased density of alpha 2-adrenoceptors in medulla oblongata of spontaneously hypertensive rats.
Topics: Animals; Binding Sites; Clonidine; Hypertension; Medulla Oblongata; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred SHR; Rats, Inbred Strains; Receptors, Adrenergic, alpha; S-Adenosylmethionine | 1989 |
[Inhibitory action of intracerebroventricular injections of norepinephrine and clonidine on ventricular extrasystoles induced by stimulating hypothalamus in rabbits].
Topics: Animals; Cardiac Complexes, Premature; Clonidine; Electric Stimulation; Female; Hypothalamus; Injections, Intraventricular; Male; Norepinephrine; Phentolamine; Prazosin; Rabbits; Yohimbine | 1989 |
Modulation of retinal aromatic L-amino acid decarboxylase via alpha 2 adrenoceptors.
Topics: Animals; Aromatic-L-Amino-Acid Decarboxylases; Clonidine; Cycloheximide; Darkness; Dihydroxyphenylalanine; Kinetics; Light; Male; Oxymetazoline; Phentolamine; Piperoxan; Pyridoxal Phosphate; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Retina; Yohimbine | 1989 |
Identification of alpha 2-adrenergic receptor sites in human retinoblastoma (Y-79) and neuroblastoma (SH-SY5Y) cells.
Topics: Binding, Competitive; Cell Membrane; Clonidine; Epinephrine; Guanylyl Imidodiphosphate; Humans; Neuroblastoma; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Retinoblastoma; Sodium; Tritium; Tumor Cells, Cultured; Yohimbine | 1989 |
Presynaptic alpha 2-adrenoceptor modulation of 5-hydroxytryptamine and noradrenaline release from vascular adrenergic nerves.
Topics: Animals; Azepines; Clonidine; Cocaine; Electric Stimulation; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Serotonin; Splanchnic Circulation; Sympathetic Nervous System; Synapses | 1989 |
Interactions between noradrenergic and cholinergic mechanisms involved in spinal nociceptive processing.
Topics: Adrenergic alpha-Agonists; Animals; Atropine; Clonidine; Hydroxydopamines; Male; Neostigmine; Nociceptors; Oxidopamine; Pain Measurement; Parasympathetic Nervous System; Parasympathomimetics; Phentolamine; Physostigmine; Rats; Rats, Inbred Strains; Spinal Cord; Sympathetic Nervous System | 1989 |
Mechanisms of chronotropic cardiac effects of alinidine and plasma concentration-response relationships in the conscious dog with chronic atrioventricular block.
Topics: Adrenergic beta-Antagonists; Animals; Anti-Arrhythmia Agents; Blood Pressure; Clonidine; Dogs; Drug Interactions; Electrocardiography; Female; Heart Block; Heart Rate; Male; Phenoxybenzamine; Phentolamine; Receptors, Muscarinic; Yohimbine | 1989 |
Pharmacological characterization of alpha adrenoceptors involved in the antinociceptive and cardiovascular effects of intrathecally administered clonidine.
Topics: Adrenergic alpha-Antagonists; Analgesics; Animals; Blood Pressure; Clonidine; Dose-Response Relationship, Drug; Heart Rate; Injections, Spinal; Male; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Tissue Distribution | 1989 |
An insulin-releasing property of imidazoline derivatives is not limited to compounds that block alpha-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Glucose; Imidazoles; In Vitro Techniques; Insulin; Islets of Langerhans; Male; Mice; Phentolamine | 1989 |
Characterization of alpha 2-adrenoceptors which increase potassium conductance in rat locus coeruleus neurones.
Topics: Animals; Clonidine; Electric Conductivity; In Vitro Techniques; Ion Channels; Locus Coeruleus; Membrane Potentials; Norepinephrine; Phentolamine; Potassium; Rats; Receptors, Adrenergic, alpha | 1985 |
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 |
Possible involvement of endogenous opioid peptides in prolactin secretion induced by alpha 2-adrenergic stimulation in rats.
Topics: Animals; Cerebral Ventricles; Clonidine; Endorphins; Epinephrine; Injections, Intraventricular; Male; Naloxone; Norepinephrine; Phentolamine; Prolactin; Rats; Rats, Inbred Strains; Reference Values; Thiazines; Xylazine | 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 |
Phentolamine- and clonidine-induced changes in plasma neuropeptide Y-like immunoreactivity during sympathetic activation in man.
Topics: Adult; Blood Pressure; Clonidine; Exercise Test; Heart Rate; Humans; Male; Neuropeptide Y; Phentolamine; Radioimmunoassay; Receptors, Adrenergic, alpha | 1987 |
Identification and characterization of alpha 1 adrenergic receptors in the canine prostate using [125I]-Heat.
Topics: Animals; Binding, Competitive; Clonidine; Dogs; Iodine Radioisotopes; Ligands; Male; Phenethylamines; Phentolamine; Prazosin; Prostate; Radioligand Assay; Receptors, Adrenergic, alpha; Tetralones; Time Factors | 1987 |
Alpha-adrenergic mediation of the tail skin temperature response to naloxone in morphine-dependent rats.
Topics: Animals; Body Temperature; Brain; Clonidine; Female; Morphine Dependence; Naloxone; Phentolamine; Rats; Receptors, Adrenergic, alpha; Skin Temperature; Tail | 1987 |
Alpha 2-adrenoceptor activity exerts dual control of coronary blood flow in canine coronary artery.
Topics: Adenosine; Animals; Blood Pressure; Clonidine; Coronary Circulation; Coronary Vessels; Dogs; Norepinephrine; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic, alpha; Reference Values; Vasodilation; Yohimbine | 1988 |
[N-2-chloroethyl-N-ethyl-2-bromobenzylamine (DSP4) increases the liberation of 3H-noradrenaline produced by depolarization of the nerve ending].
Topics: Animals; Benzylamines; Cerebral Cortex; Clonidine; Female; Male; Nerve Endings; Norepinephrine; Phentolamine; Potassium; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Secretory Rate; Stimulation, Chemical; Vas Deferens; Yohimbine | 1988 |
[Changes in the sensitivity of the alpha 2- and beta 1-adrenoreactive systems during the intensive cooling of rats acclimatized to cold].
Topics: Acclimatization; Animals; Clonidine; Cold Temperature; Female; Heart Rate; Hypothermia; Isoproterenol; Male; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1988 |
Interaction between the inhibitory action of acetylcholine and the alpha-adrenoceptor autoinhibitory feedback system on release of [3H]-noradrenaline from rat atria and rabbit ear artery.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Animals; Arteries; Catecholamines; Clonidine; Dioxanes; Ear; Electric Stimulation; Feedback; Female; Heart Atria; Idazoxan; Imidazolines; In Vitro Techniques; Male; Muscle, Smooth, Vascular; Myocardial Contraction; Myocardium; Norepinephrine; Phentolamine; Rabbits; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 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 |
Pharmacological characterization of alpha-adrenergic receptor subtypes mediating contraction in human mesenteric arteries and veins.
Topics: Adrenergic alpha-Agonists; Adult; Aged; Clonidine; Drug Interactions; Female; Humans; Male; Mesenteric Arteries; Mesenteric Veins; Middle Aged; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxymetazoline; Phentolamine; Prazosin; Vasodilation; Yohimbine | 1985 |
Arylazide photoaffinity probe for alpha 2-adrenoceptors.
Topics: Absorption; Adrenergic alpha-Antagonists; Benzazepines; Binding, Competitive; Blood Platelets; Clonidine; Humans; Membranes; Phentolamine; Photolysis; Prazosin; Receptors, Adrenergic, alpha; Tritium; Ultraviolet Rays; Yohimbine | 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 |
[Therapy of the hypertensive crisis].
Topics: Administration, Oral; Adrenergic beta-Antagonists; Calcium Channel Blockers; Clonidine; Dihydralazine; Female; Humans; Hypertension; Magnesium Sulfate; Male; Nifedipine; Phentolamine; Pheochromocytoma; Pre-Eclampsia; Pregnancy | 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 |
Effect of imidazoline drugs on human blood platelet aggregation.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Antazoline; Clonidine; Humans; Imidazoles; In Vitro Techniques; Naphazoline; Phentolamine; Platelet Aggregation; Tolazoline | 1985 |
Alpha 2-adrenoceptors do not regulate catecholamine secretion by bovine adrenal medullary cells: a study with clonidine.
Topics: Adrenal Medulla; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Carbachol; Catecholamines; Cattle; Chromaffin Granules; Clonidine; Dihydroergotoxine; In Vitro Techniques; Ligands; Phentolamine; Potassium; Receptors, Adrenergic, alpha; Receptors, Nicotinic; Sodium; Tritium; Veratridine | 1986 |
Effects of nipradilol (K-351) on alpha-adrenoceptor mediated responses in various isolated tissues.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Clonidine; Dogs; Electric Stimulation; Guinea Pigs; Ileum; In Vitro Techniques; Male; Muscle, Smooth; Muscle, Smooth, Vascular; Nitroglycerin; Phentolamine; Prazosin; Propanolamines; Rabbits; Rats; Receptors, Adrenergic, alpha; Saphenous Vein; Vas Deferens | 1985 |
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 |
The effects of peripherally administered monoaminergic drugs on ethanol diuresis in rats.
Topics: Animals; Apomorphine; Autonomic Agents; Clonidine; Diuresis; Drug Interactions; Ethanol; Male; Methysergide; p-Chloroamphetamine; Phentolamine; Pimozide; Rats; Rats, Inbred Strains | 1986 |
Dissociation of locomotor impairment from mydriasis evoked by clonidine injected into cat's rostral hypothalamus.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cats; Clonidine; Female; Injections; Motor Activity; Phentolamine; Preoptic Area; Pupil; Receptors, Adrenergic, alpha; Sleep; Yohimbine | 1986 |
Effect of alpha-adrenoceptor agonists and antagonists on cholinergic transmission in guinea-pig isolated atria.
Topics: Acetylcholine; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Choline; Clonidine; Electric Stimulation; Female; Guinea Pigs; Heart; In Vitro Techniques; Male; Norepinephrine; Parasympathetic Nervous System; Phentolamine; Synaptic Transmission; Vagus Nerve | 1986 |
Studies on responsiveness of hepatoma cells to catecholamines. III. Difference between the receptor-adenylate cyclase regulating systems in AH130 cells and cultured normal rat liver cells.
Topics: Adenylate Cyclase Toxin; Adenylyl Cyclases; Adrenergic beta-Agonists; Animals; Cells, Cultured; Clonidine; Epinephrine; Female; Guanosine Triphosphate; Isoproterenol; Liver; Liver Neoplasms, Experimental; Norepinephrine; Pertussis Toxin; Phentolamine; Rats; Virulence Factors, Bordetella | 1986 |
Adrenergic influence on gallbladder function in experimental cholecystitis.
Topics: Adrenergic alpha-Agonists; Adrenergic Fibers; Animals; Bile; Blood Pressure; Cats; Cholecystitis; Clonidine; Electric Stimulation; Female; Gallbladder; Male; Perfusion; Phentolamine; Splanchnic Nerves | 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 |
Hormonal control of porcine adipose tissue fatty acid release and cyclic AMP concentration.
Topics: Adipose Tissue; Adrenergic beta-Agonists; Animals; Clonidine; Cyclic AMP; Dobutamine; Epinephrine; Fatty Acids, Nonesterified; Female; Fenoterol; Isoproterenol; Lipolysis; Phentolamine; Swine; Theophylline | 1987 |
Evidence that locus coeruleus is the site where clonidine and drugs acting at alpha 1- and alpha 2-adrenoceptors affect sleep and arousal mechanisms.
Topics: Adrenergic alpha-Antagonists; Animals; Arousal; Clonidine; Electroencephalography; Injections, Intraventricular; Locus Coeruleus; Male; Methoxamine; Microinjections; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sleep; Yohimbine | 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 |
Effects of biogenic amines and related agonists and antagonists on the isolated heart of the common cuttlefish Sepia officinalis L.
Topics: Animals; Biogenic Amines; Clonidine; Dopamine; Heart; Heart Rate; Isoproterenol; Methysergide; Mollusca; Myocardial Contraction; Norepinephrine; Octopamine; Phentolamine; Propranolol; Serotonin; Tyramine | 1987 |
Alpha-adrenergic inhibition of rat cerebellar Purkinje cells in vitro: a voltage-clamp study.
Topics: Adrenergic alpha-Agonists; Animals; Cadmium; Calcium; Calcium Channel Blockers; Cerebellum; Clonidine; Electric Conductivity; Membrane Potentials; Phentolamine; Prazosin; Purkinje Cells; Rats; Tetrodotoxin; Yohimbine | 1987 |
Central versus peripheral effect of clonidine on hepatic venous plasma glucose concentrations in fasted rats.
Topics: Animals; Blood Glucose; Clonidine; Fasting; Glucagon; Hepatic Veins; Injections, Intravenous; Injections, Intraventricular; Insulin; Kinetics; Male; Phentolamine; Rats; Rats, Inbred Strains; Somatostatin; Yohimbine | 1988 |
Augmentation of glucose induced insulin secretion by pertussis vaccine, phentolamine and benextramine: involvement of mechanisms additional to prevention of the inhibitory actions of catecholamines in rats.
Topics: Adrenergic alpha-Antagonists; Animals; Catecholamines; Clonidine; Cystamine; Epinephrine; Glucose; Insulin; Insulin Secretion; Islets of Langerhans; Male; Pertussis Toxin; Pertussis Vaccine; Phentolamine; Rats; Rats, Inbred Strains; Virulence Factors, Bordetella | 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 |
An analysis of the haemodynamic effects of tolbutamide in conscious dogs.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cardiac Output; Catecholamines; Clonidine; Dogs; Dose-Response Relationship, Drug; Drug Interactions; Heart Rate; Hemodynamics; Norepinephrine; Phentolamine; Tolbutamide | 1988 |
Significant role of alpha 2-adrenoceptors in coronary artery spasm.
Topics: Animals; Clonidine; Coronary Angiography; Coronary Vasospasm; Coronary Vessels; Dogs; Electrocardiography; Ergonovine; Female; Male; Methoxamine; Norepinephrine; Phentolamine; Receptors, Adrenergic, alpha; Vascular Resistance; Yohimbine | 1985 |
Jejunal-ileal differences in dopaminergic but not alpha-adrenergic antisecretory effects.
Topics: Animals; Apomorphine; Bucladesine; Clonidine; Haloperidol; Ileum; Intestinal Absorption; Jejunum; Male; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Dopamine; Sulpiride; Water-Electrolyte Balance | 1985 |
A kinetic study of the release of noradrenaline by electrical stimulation: influence of presynaptic alpha-adrenoceptors.
Topics: Animals; Clonidine; Dogs; Electric Stimulation; In Vitro Techniques; Kinetics; Norepinephrine; Phentolamine; Receptors, Adrenergic, alpha; Saphenous Vein | 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 |
Endogenous noradrenaline as modulator of hippocampal serotonin (5-HT)-release. Dual effects of yohimbine, rauwolscine and corynanthine as alpha-adrenoceptor antagonists and 5-HT-receptor agonists.
Topics: Animals; Clonidine; Hippocampus; In Vitro Techniques; Maprotiline; Norepinephrine; Phentolamine; Rabbits; Receptors, Adrenergic, alpha; Serotonin; Yohimbine | 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 |
Abnormality of alpha 1-adrenergic receptors in the frontal cortex of epileptic rats.
Topics: Animals; Carbachol; Cerebral Cortex; Clonidine; Dose-Response Relationship, Drug; Epilepsy; Hippocampus; Inferior Colliculi; Male; Norepinephrine; Phentolamine; Phosphatidylinositols; Prazosin; Propranolol; Rats; Rats, Inbred Strains; Rats, Mutant Strains; Receptors, Adrenergic, alpha; Synaptic Membranes; Yohimbine | 1986 |
An endogenous brain substance, CDS (clonidine-displacing-substance), inhibits the twitch response of rat vas deferens.
Topics: Animals; Binding, Competitive; Brain Chemistry; Chromatography, High Pressure Liquid; Clonidine; Electric Stimulation; Imidazoline Receptors; Male; Muscle Contraction; Phentolamine; Rats; Receptors, Adrenergic, alpha; Receptors, Adrenergic, alpha-2; Vas Deferens; Yohimbine | 1986 |
Octopaminergic modulation of the membrane potential of the Schwann cell of the squid giant nerve fibre.
Topics: Amines; Animals; Axons; Carbachol; Clonidine; Cyclic AMP; Decapodiformes; Membrane Potentials; Naphazoline; Octopamine; Phentolamine; Receptors, Adrenergic; Receptors, Biogenic Amine; Receptors, Nicotinic; Schwann Cells; Structure-Activity Relationship; Tyramine | 1986 |
Central alpha 2-adrenergic control of the pattern of small intestinal motility in rats.
Topics: Animals; Clonidine; Duodenum; Eating; Electromyography; Fasting; Gastrointestinal Motility; Jejunum; Male; Naphazoline; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Yohimbine | 1986 |
Activation of presynaptic alpha 2-adrenoceptors attenuates the inhibitory effect of mu-opioid receptor agonists on noradrenaline release from brain slices.
Topics: Animals; Brain Chemistry; Cadmium; Clonidine; Colforsin; Enkephalin, Leucine; Enkephalin, Leucine-2-Alanine; In Vitro Techniques; Male; Morphine; Norepinephrine; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Opioid; Receptors, Opioid, mu | 1986 |
[Alpha-adrenoceptors in the rat spinal cord: its role in baroreflex and hemorrhagic shock].
Topics: Animals; Clonidine; Female; Injections, Spinal; Male; Phentolamine; Pressoreceptors; Rats; Receptors, Adrenergic, alpha; Shock, Hemorrhagic; Spinal Cord; Sympathetic Nervous System | 1986 |
Alpha-adrenoceptor-mediated actions of optical isomers and desoxy analogs of catecholimidazoline and norepinephrine in human platelets: in vitro.
Topics: Blood Platelets; Clonidine; Humans; In Vitro Techniques; Norepinephrine; Phentolamine; Platelet Aggregation; Receptors, Adrenergic, alpha; Stereoisomerism; Structure-Activity Relationship; Tolazoline | 1986 |
Evidence for the involvement of alpha-2 adrenoceptors in the sedation but not REM sleep inhibition by clonidine in the rat.
Topics: Animals; Clonidine; Electroencephalography; Hypnotics and Sedatives; Male; Phenoxybenzamine; Phentolamine; Prazosin; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Sleep, REM; Yohimbine | 1986 |
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 |
Phentolamine, a deceptive tool to investigate sympathetic nervous control of insulin release.
Topics: Animals; Clonidine; Female; Glucose; Insulin; Insulin Secretion; Islets of Langerhans; Male; Mice; Phentolamine; Rats; Rats, Inbred Strains; Sympathetic Nervous System; Tolbutamide; Yohimbine | 1988 |
Effect of chronic desipramine treatment on neurotransmitter-thyrotropin releasing hormone--thyrotropin interactions in the rat.
Topics: Animals; Clonidine; Desipramine; Drug Interactions; Isoproterenol; Male; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Thyrotropin; Thyrotropin-Releasing Hormone | 1987 |
Protection by clonidine from the cardiovascular changes and lethality following soman administration in the rat: role of brain acetylcholine.
Topics: Acetylcholine; Animals; Blood Pressure; Brain Chemistry; Clonidine; Heart Rate; Male; Phentolamine; Rats; Soman | 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 |
Interdependence of spinal adenosinergic, serotonergic and noradrenergic systems mediating antinociception.
Topics: Adenosine; Animals; Clonidine; Male; Methysergide; Mice; Nociceptors; Norepinephrine; Phentolamine; Reaction Time; Serotonin; Spinal Cord; Theophylline | 1987 |
Involvement of cyclic nucleotides in prejunctional modulation of noradrenaline release in mouse atria.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Animals; Clonidine; Female; Heart Atria; In Vitro Techniques; Isoproterenol; Mice; Norepinephrine; Nucleotides, Cyclic; Phentolamine; Phosphodiesterase Inhibitors; Propranolol | 1987 |
Central mechanisms of ethanol-induced adrenocortical response in selectively bred lines of mice.
Topics: Alcohol Deterrents; Animals; Carbachol; Clonidine; Corticosterone; Ethanol; Halothane; Male; Mice; Phentolamine; Propranolol; Yohimbine | 1987 |
[Sexual dimorphism in the pressor response to l-adrenaline in rats].
Topics: Animals; Blood Pressure; Clonidine; Drug Interactions; Epinephrine; Female; Gonadal Steroid Hormones; Male; Orchiectomy; Ovariectomy; Phentolamine; Propranolol; Rats; Rats, Inbred Strains; Sex Factors; Yohimbine | 1986 |
Evidence that endogenous catecholamines can regulate acetylcholine release in a sympathetic ganglion.
Topics: Acetylcholine; Animals; Cats; Clonidine; Electric Stimulation; Female; Ganglia, Sympathetic; Male; Norepinephrine; Phentolamine; Prazosin; Yohimbine | 1986 |
Behavioral and electrocortical effects of tolonidine in rats.
Topics: Animals; Behavior, Animal; Body Temperature; Clonidine; Injections, Intraperitoneal; Injections, Intraventricular; Male; Phentolamine; Rats; Sleep; Yohimbine | 1986 |
Effects of centrally administered naloxone on gastrointestinal myoelectrical activity in morphine-dependent rats.
Topics: Animals; Atropine; Clonidine; Digestive System; Electrophysiology; Enkephalin, Leucine; Gastrointestinal Motility; Indomethacin; Injections, Intraventricular; Injections, Subcutaneous; Male; Methysergide; Morphine; Naloxone; Phentolamine; Rats; Substance-Related Disorders; Tolazoline | 1987 |
Possible mechanisms underlying the hypertensive response to clonidine in freely moving, normotensive rats.
Topics: Animals; Blood Pressure; Catecholamines; Clonidine; Drug Interactions; Hemodynamics; Injections, Intravenous; Injections, Intraventricular; Male; Phentolamine; Rats; Rats, Inbred Strains | 1986 |
In vivo fluorescence microscopy of blood flow in mouse pancreatic islets: adrenergic effects in lean and obese-hyperglycemic mice.
Topics: Animals; Clonidine; Female; Islets of Langerhans; Mice; Mice, Obese; Microscopy, Fluorescence; Norepinephrine; Phentolamine; Regional Blood Flow | 1985 |
Receptors for 3H-octopamine in the adult firefly light organ.
Topics: Animals; Binding Sites; Binding, Competitive; Chlorphenamidine; Clonidine; Coleoptera; Guanosine Triphosphate; Male; Naphazoline; Octopamine; Phentolamine; Propranolol; Receptors, Adrenergic; Receptors, Biogenic Amine; Synephrine | 1985 |
Reduction of centrally-stimulated gastric acid secretion by tizanidine, a new imidazoline derivative, in anesthetized rats.
Topics: Anesthesia; Animals; Atropine; Bethanechol Compounds; Clonidine; Deoxyglucose; Electric Stimulation; Gastric Acid; Male; Muscle Relaxants, Central; Phentolamine; Rats; Rats, Inbred Strains; Thyrotropin-Releasing Hormone | 1985 |
[Role of the adrenal medulla in the effect of antihypertensive drugs].
Topics: Adrenal Medulla; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Dihydralazine; Dogs; Female; Heart Rate; Male; Phentolamine; Propranolol; Verapamil | 1985 |
Presynaptic effect of clonidine on unmyelinated afferent fibers in the spinal cord of the cat.
Topics: Action Potentials; Animals; Cats; Clonidine; Injections, Intravenous; Nerve Fibers; Neurons, Afferent; Phentolamine; Reaction Time; Spinal Cord; Synapses; Yohimbine | 1986 |
Ventricular tachycardia induced by clonidine withdrawal.
Topics: Blood Pressure; Clonidine; Electrocardiography; Female; Humans; Middle Aged; Phentolamine; Prazosin; Substance Withdrawal Syndrome; Tachycardia | 1985 |
Influence of adrenoreceptor agonists and antagonists on ovulation in the rabbit ovary perfused in vitro.
Topics: Animals; Chorionic Gonadotropin; Clonidine; Female; In Vitro Techniques; Indomethacin; Norepinephrine; Ovarian Follicle; Ovary; Ovulation; Perfusion; Phenoxybenzamine; Phentolamine; Rabbits; Sympatholytics; Sympathomimetics; Terbutaline | 1985 |
The analgesic activity of a clonidine analog. The formamidine, U-47,476A.
Topics: Amidines; Analgesics; Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Hypnotics and Sedatives; Mice; Motor Activity; Naloxone; Phentolamine; Rats; Rats, Inbred Strains; Reaction Time; Reserpine; Species Specificity; Time Factors; Yohimbine | 1985 |
Letter: Withdrawal of antihypertensive therapy.
Topics: Blood Pressure; Clonidine; Humans; Hypertension; Phentolamine; Propranolol | 1974 |
Inhibition of adrenergic neurotransmission by clonidine: an action on prejunctional -receptors.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Cocaine; Heart; In Vitro Techniques; Mathematics; Oxymetazoline; Phenoxybenzamine; Phentolamine; Rabbits; Receptors, Adrenergic; Sympathetic Nervous System; Synaptic Transmission | 1973 |
Modulating effect of central adrenergic neurones on a vagally mediated cardioinhibitory reflex.
Topics: Acetylcholine; Adrenergic beta-Antagonists; Animals; Atropine; Blood Pressure; Chlorpromazine; Clonidine; Depression, Chemical; Dogs; Female; Heart; Heart Rate; Isoproterenol; Male; Methacholine Compounds; Neurons; Phentolamine; Receptors, Cholinergic; Reflex; Sympathetic Nervous System; Vagus Nerve | 1973 |
Effect of duration and frequency of stimulation on the presynaptic inhibition by alpha-adrenoceptor stimulation of the adrenergic transmission.
Topics: Adrenergic alpha-Agonists; Aniline Compounds; Animals; Clonidine; Electric Stimulation; Guinea Pigs; Heart; Heart Atria; In Vitro Techniques; Male; Neural Inhibition; Norepinephrine; Phentolamine; Rats; Synaptic Transmission; Thiazines; Time Factors; Tritium; Vas Deferens; Xylenes | 1973 |
Blood pressure over-shoot due to acute clonidine (Catapres) withdrawal: studies on arterial and urinary catecholamines and suggestions for management of the crisis.
Topics: Acetanilides; Adrenergic beta-Antagonists; Amino Alcohols; Catecholamines; Clonidine; Headache; Humans; Hypertension; Nausea; Phentolamine; Reserpine; Substance Withdrawal Syndrome | 1973 |
Effects of clonidine and some alpha-adrenoreceptor blocking agents on avoidance conditioned reflexes in rats: their interactions and antagonism by atropine.
Topics: Adrenergic alpha-Antagonists; Animals; Atropine; Avoidance Learning; Clonidine; Conditioning, Classical; Depression, Chemical; Dibenzylchlorethamine; Male; Phenoxybenzamine; Phentolamine; Rats; Time Factors; Tolazoline; Yohimbine | 1974 |
Proceedings: Localization of alpha-adrenoceptors in the CNS with facilitatory effect upon vagal reflex cardioinhibition.
Topics: Adrenergic beta-Antagonists; Angiotensin II; Animals; Blood Pressure; Clonidine; Dogs; Drug Synergism; Heart; Heart Rate; Medulla Oblongata; Methyltyrosines; Phentolamine; Rats; Receptors, Adrenergic; Reflex; Reserpine; Sympatholytics; Vagus Nerve | 1974 |
Action of clonidine on baroreceptor reflexes in conscious dogs.
Topics: Adrenergic beta-Antagonists; Angiotensin II; Animals; Aorta, Thoracic; Blood Pressure; Clonidine; Dogs; Drug Synergism; Heart Rate; Phentolamine; Phenyl Ethers; Pressoreceptors; Propanolamines; Propylamines | 1974 |
Central hypothermia by 2-deoxy-D-glucose: antagonism by alpha-adrenergic activation.
Topics: Adrenal Glands; Adrenergic alpha-Agonists; Animals; Atropine; Body Temperature; Brain Chemistry; Clonidine; Depression, Chemical; Dextroamphetamine; Dopamine; Female; Fluorometry; Glucose; Hypothalamus; Imidazoles; Methyltyrosines; Norepinephrine; Phentolamine; Pimozide; Piperazines; Rats; Serotonin; Time Factors; Tryptamines | 1974 |
Evidence for direct alpha-adrenoceptor stimulation of effector neurons in cardiovascular centers by clonidine.
Topics: Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Angiotensin II; Animals; Blood Pressure; Cardiovascular System; Clonidine; Decerebrate State; Heart Rate; Male; Methyltyrosines; Neurons; Parasympathetic Nervous System; Phentolamine; Rats; Reserpine | 1974 |
Investigations into the positive inotropic effect of clondine in isolated hearts.
Topics: Action Potentials; Animals; Clonidine; Dose-Response Relationship, Drug; Electrocardiography; Female; Guinea Pigs; Heart; Heart Rate; Histamine; Histamine H1 Antagonists; Imidazoles; In Vitro Techniques; Isoproterenol; Male; Perfusion; Pheniramine; Phentolamine; Phenyl Ethers; Propanolamines; Propylamines; Receptors, Drug; Stimulation, Chemical; Thiourea | 1974 |
Influence of alpha- and beta-adrenoceptors on the release of noradrenaline from field stimulated atria and cerebral cortex slices.
Topics: Animals; Atrial Function; Cerebral Cortex; Clonidine; Desipramine; Electric Stimulation; Guanidines; Heart Atria; In Vitro Techniques; Isoproterenol; Mice; Mice, Inbred Strains; Norepinephrine; Phenoxybenzamine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic | 1974 |
Comparison of the effects of clonidine on pre- and postsynaptic adrenoceptors in the rabbit pulmonary artery. Alpha-sympathomimetic inhibition of Neurogenic vasoconstriction.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Cocaine; Corticosterone; Dose-Response Relationship, Drug; Drug Interactions; Electric Stimulation; Female; In Vitro Techniques; Male; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Propranolol; Pulmonary Artery; Rabbits; Receptors, Adrenergic; Sympathetic Nervous System; Time Factors; Tritium | 1974 |
The cardiovascular effects of intraventricular clonidine and Bay 1470 in conscious hypertensive cats.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cats; Clonidine; Desipramine; Dioxanes; Dopamine Antagonists; Haloperidol; Heart Rate; Hemodynamics; Hypertension, Renal; Phentolamine; Piperidines; Thiazines; Time Factors; Xylazine | 1974 |
Sleep produced by clonidine (2-(2,6-dichlorophenylamino)-2-imidazoline hydrochloride).
Topics: Animals; Antihypertensive Agents; Behavior, Animal; Cats; Cerebral Ventricles; Chickens; Clonidine; Female; Fenclonine; Imidazoles; Injections; Injections, Intravenous; Lysergic Acid Diethylamide; Male; Methysergide; Norepinephrine; Phentolamine; Rats; Sleep | 1971 |
An investigation on the behavioral and hypothermic effects of yohimbine: interaction with drugs affecting central and peripheral monoamines.
Topics: 5-Hydroxytryptophan; Aggression; Amphetamine; Animals; Apomorphine; Atropine; Behavior, Animal; Benserazide; Biogenic Amines; Body Temperature; Catecholamines; Chlorisondamine; Clonidine; Depression, Chemical; Dihydroxyphenylalanine; Fenclonine; Haloperidol; Humans; Lysergic Acid Diethylamide; Male; Methysergide; Motor Activity; Pargyline; Phenoxybenzamine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Stereotyped Behavior; Yohimbine | 1974 |
Involvement of adrenergic receptors in central vagus activity.
Topics: Angiotensin II; Animals; Blood Pressure; Bradycardia; Clonidine; Dogs; Heart Rate; Phentolamine; Receptors, Adrenergic; Receptors, Drug; Vagus Nerve | 1971 |
The central action of clonidine and its antagonism.
Topics: Angiotensin II; Animals; Antihypertensive Agents; Blood Pressure; Bretylium Compounds; Carotid Arteries; Central Nervous System; Clonidine; Dogs; Guanidines; Heart Rate; Imidazoles; Injections, Intra-Arterial; Injections, Intravenous; Phentolamine; Receptors, Adrenergic; Reflex; Vertebral Artery | 1972 |
Involvement of alpha-receptors in clonidine-induced inhibition of transmitter release from central monoamine neurones.
Topics: Analysis of Variance; Animals; Brain; Cerebral Cortex; Clonidine; Cocaine; Drug Interactions; Electric Stimulation; In Vitro Techniques; Male; Neurons; Norepinephrine; Phenoxybenzamine; Phentolamine; Rats; Receptors, Adrenergic; Serotonin; Synaptic Transmission; Tritium | 1973 |
The effect of clonidine on human isolated smooth muscle.
Topics: Acetylcholine; Adrenergic alpha-Antagonists; Antihypertensive Agents; Clonidine; Colon; Drug Antagonism; Fenfluramine; Histamine Antagonists; Humans; Ileum; Imidazoles; In Vitro Techniques; Muscle Contraction; Muscle, Smooth; Norepinephrine; Phentolamine; Saphenous Vein; Serotonin Antagonists; Tolazoline | 1972 |
Facilitation of vagal reflex bradycardia by an action of clonidine on central -receptors.
Topics: Acetylcholine; Adrenergic beta-Antagonists; Animals; Blood Pressure; Bradycardia; Cerebellum; Chlorpromazine; Clonidine; Dogs; Electrocardiography; Female; Guanethidine; Haloperidol; Heart Rate; Male; Phenoxybenzamine; Phentolamine; Receptors, Adrenergic; Time Factors; Vagus Nerve | 1972 |
Effect of clonidine on responses to cardiac nerve stimulation as a function of impulse frequency and stimulus duration in vagotomized dogs.
Topics: Animals; Clonidine; Dogs; Dose-Response Relationship, Drug; Electric Stimulation; Female; Guanethidine; Heart; Heart Rate; Male; Phentolamine; Vagotomy; Vagus Nerve | 1974 |
Central alpha- and beta-adrenoceptors modifying arterial blood pressure and heart rate in conscious cats.
Topics: Albuterol; Alprenolol; Animals; Atropine; Bethanidine; Blood Pressure; Cats; Cerebral Ventricles; Clonidine; Dopamine; Epinephrine; Female; Heart Rate; Hexamethonium Compounds; Injections; Isoproterenol; Lidocaine; Male; Norepinephrine; Pempidine; Phentolamine; Practolol; Propranolol; Rabbits; Rats; Receptors, Adrenergic; Sotalol; Species Specificity; Time Factors | 1974 |
The effect of clonidine on plasma renin activity in human hypertension.
Topics: Adult; Body Weight; Clonidine; Female; Humans; Hypertension; Male; Middle Aged; Oxprenolol; Phentolamine; Posture; Potassium; Radioimmunoassay; Renin; Sodium | 1973 |
Adrenergic receptor blocking agents: effects on central noradrenaline and dopamine receptors and on motor activity.
Topics: Animals; Apomorphine; Behavior, Animal; Brain; Brain Chemistry; Clonidine; Cordotomy; Corpus Striatum; Dopamine; Drug Combinations; Drug Synergism; Humans; Male; Methyltyrosines; Mice; Motor Activity; Norepinephrine; Phenoxybenzamine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Reflex; Reserpine; Spinal Cord; Stereotyped Behavior; Stimulation, Chemical | 1974 |
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 |
The action of clonidine on isolated arterial preparations.
Topics: Animals; Arteries; Clonidine; Cocaine; Constriction; Ear, External; Histamine; Muscle Contraction; Muscle, Smooth; Norepinephrine; Perfusion; Phentolamine; Rabbits; Rats; Receptors, Adrenergic; Sympathectomy; Tail | 1972 |
Effects of clonidine withdrawal: possible mechanisms and suggestions for management.
Topics: Blood Pressure; Catecholamines; Clonidine; Epinephrine; Heart Rate; Humans; Hypertension; Injections, Intravenous; Norepinephrine; Phentolamine; Propranolol; Sleep Initiation and Maintenance Disorders; Substance Withdrawal Syndrome | 1973 |
Chronic decentralization prevents alpha-receptor mediated regulation of noradrenaline release in the field stimulated rat iris.
Topics: Animals; Clonidine; Denervation; Desipramine; Electric Stimulation; Female; Ganglia, Autonomic; Iris; Norepinephrine; Phentolamine; Rats; Receptors, Adrenergic; Synapses; Time Factors; Tritium | 1973 |
Effects of substance P on the response of guinea pig vas deferens to transmural nerve stimulation.
Topics: Animals; Clonidine; Depression, Chemical; Electric Stimulation; Evoked Potentials; Guinea Pigs; Male; Phentolamine; Prostaglandins; Stimulation, Chemical; Substance P; Vas Deferens | 1974 |
Antagonism of the drug induced behavioural sleep in chicks.
Topics: Animals; Behavior, Animal; Blood-Brain Barrier; Central Nervous System; Chickens; Clonidine; Cyproheptadine; Imidazoles; Male; Norepinephrine; Normetanephrine; Phentolamine; Serotonin Antagonists; Sleep; Tolazoline | 1971 |
[Effect of 2-(2,6-dichlorphenylamino)-2-imidazoline hydrochloride (Clonidine) on contraction of and acetylcholine-liberation in the isolated, coaxial-electrically stimulated guinea pig ileum].
Topics: Acetylcholine; Animals; Antihypertensive Agents; Clonidine; Electric Stimulation; Female; Guinea Pigs; Ileum; Imidazoles; In Vitro Techniques; Male; Muscle Contraction; Phentolamine; Propranolol; Sensory Receptor Cells | 1971 |
Alpha-2 adrenoceptors modulate [3H]dopamine release from rabbit retina.
Topics: Animals; Calcium; Clonidine; Dopamine; Electric Stimulation; Epinephrine; Nomifensine; Norepinephrine; Phentolamine; Prazosin; Rabbits; Receptors, Adrenergic, alpha; Retina; Yohimbine | 1984 |
Interplay of alpha-2 and beta adrenoceptors in the control of free fatty acid release from bone marrow adipose tissue.
Topics: Adenosine Deaminase; Adipose Tissue; Animals; Bone Marrow; Clonidine; Dogs; Epinephrine; Fatty Acids, Nonesterified; Isoproterenol; Perfusion; Phentolamine; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Theophylline; Yohimbine | 1984 |
Endorphins and the hypotensive response to stimulation of alpha-receptors in the brainstem by alpha-methylnoradrenaline.
Topics: Animals; Blood Pressure; Brain Stem; Clonidine; Endorphins; Enkephalin, Methionine; Immune Sera; Male; Naloxone; Nordefrin; Norepinephrine; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha | 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 |
Presynaptic opiate receptor- and alpha 2-adrenoceptor-mediated inhibition of noradrenaline release in the rat brain: role of hyperpolarization?
Topics: Animals; Brain Chemistry; Calcium; Calcium Channel Blockers; Chlorides; Clonidine; In Vitro Techniques; Lithium; Lithium Chloride; Male; Narcotics; Norepinephrine; Phentolamine; Potassium; Rats; Rats, Inbred Strains; Receptors, Adrenergic, alpha; Receptors, Opioid; Synapses | 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 |
alpha 2 and alpha 1-Adrenoceptors mediate opposing actions on parasympathetic neurons.
Topics: Animals; Cats; Clonidine; Drug Interactions; Ganglia, Parasympathetic; In Vitro Techniques; Norepinephrine; Phentolamine; Prazosin; Receptors, Adrenergic, alpha; Urinary Bladder; Yohimbine | 1984 |
The effects of an alpha-adrenergic agonist or antagonist on sleep during blockade of catecholamine synthesis in the cat.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Arousal; Cats; Clonidine; Evoked Potentials; Geniculate Bodies; Male; Methyltyrosines; Phentolamine; Sleep Stages; Sleep, REM | 1980 |
Prejunctional receptors in human digital arteries.
Topics: Angiotensin II; Arteries; Clonidine; Cocaine; Fingers; Humans; Neurotransmitter Agents; Phentolamine; Tetrodotoxin; Tritium | 1980 |
Pre- and postsynaptic alpha-adrenoceptor antagonists: differentiated cardiovascular effects in the rat.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Heart Rate; Injections, Intravenous; Injections, Intraventricular; Male; Pentobarbital; Phenoxybenzamine; Phentolamine; Prazosin; Premedication; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1980 |
Studies in the primate on the analgetic effects associated with intrathecal actions of opiates, alpha-adrenergic agonists and baclofen.
Topics: Adrenergic alpha-Agonists; Analgesia; Animals; Avoidance Learning; Baclofen; Behavior, Animal; Cats; Clonidine; Drug Interactions; Electroshock; Female; Injections, Spinal; Macaca; Macaca mulatta; Male; Meperidine; Morphine; Naloxone; Narcotics; Pain; Phentolamine; Sensory Thresholds; Spinal Cord | 1981 |
Antihypertensive drugs: proposed sites and mechanisms of action.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Antihypertensive Agents; Blood Pressure; Cats; Clonidine; Denervation; Dogs; Heart Rate; Methysergide; Moxisylyte; Phentolamine; Piperazines; Prazosin; Uracil | 1981 |
Pre- and postsynaptic alpha-adrenoceptor antagonism by neuroleptics in vivo.
Topics: Adrenergic alpha-Antagonists; Animals; Antipsychotic Agents; Blood Pressure; Clonidine; Cocaine; Heart Rate; Phentolamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1981 |
Cocaine facilitates the effects of alpha-agonists and antagonists on adrenergic neurotransmission.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cats; Clonidine; Cocaine; Drug Synergism; Female; In Vitro Techniques; Male; Nictitating Membrane; Phentolamine; Spleen; Sympathetic Nervous System; Synaptic Transmission | 1981 |
Evidence for a central depressor action of postsynaptic alpha 1-adrenergic receptor antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Cats; Clonidine; Depression, Chemical; Dioxanes; Hemodynamics; Phentolamine; Piperoxan; Prazosin; Pressoreceptors; Receptors, Adrenergic; Sympathetic Nervous System | 1981 |
Guanine nucleotides regulate specifically agonist-binding affinity of the alpha 2-adrenergic receptor in white adipocytes.
Topics: Adipose Tissue; Adrenergic alpha-Agonists; Animals; Clonidine; Cricetinae; Dihydroergotoxine; Epinephrine; Guanosine Triphosphate; Guanylyl Imidodiphosphate; Norepinephrine; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Inhibitory alpha-2 adrenoceptors in human adipose tissue.
Topics: 1-Naphthylamine; Adipose Tissue; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Binding Sites; Clonidine; Humans; Imidazoles; In Vitro Techniques; Lipolysis; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Theophylline; Yohimbine | 1981 |
Interaction of clonidine and clonidine analogs with human platelet alpha 2-adrenergic receptors.
Topics: Adenylyl Cyclases; Adrenergic alpha-Agonists; Blood Platelets; Clonidine; Epinephrine; Humans; Kinetics; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1982 |
Inhibition of renin secretion by clonidine after alpha-adrenoceptor blockade in anesthetized dogs.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Dogs; Female; Heart Rate; Male; Phentolamine; Piperoxan; Renin | 1981 |
Presynaptic effect of clonidine antagonized by the tetramine disulphide, benextramine.
Topics: Adrenergic alpha-Antagonists; Animals; Atropine; Clonidine; Cocaine; Cystamine; Female; Guinea Pigs; In Vitro Techniques; Male; Myocardial Contraction; Neurons; Phentolamine; Synapses | 1982 |
Clonidine decreases rat urine kallikrein excretion by alpha-adrenergic receptor stimulation.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Female; Kallikreins; Phenoxybenzamine; Phentolamine; Rats; Rats, Inbred Strains; Sodium | 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 |
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 |
[Effects of guanfacine on pre- and postsynaptic alpha-adrenoceptors studied in comparison with those of clonidine].
Topics: Adrenalectomy; Adrenergic alpha-Agonists; Animals; Antihypertensive Agents; Clonidine; Decerebrate State; Guanfacine; Guanidines; Heart Rate; Male; Phentolamine; Phenylacetates; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1982 |
Urethane inhibits cardiovascular responses mediated by the stimulation of alpha-2 adrenoceptors in the rat.
Topics: Adrenalectomy; Adrenergic alpha-Agonists; Animals; Clonidine; Epinephrine; Heart Rate; Kinetics; Male; Norepinephrine; Oxymetazoline; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Urethane; Vagotomy; Vagus Nerve | 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 |
Peripheral alpha 1- and alpha 2-adrenoreceptor mechanisms in blood pressure control.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding Sites; Blood Pressure; Clonidine; Dioxins; Guanabenz; Idazoxan; Male; Muscle, Smooth, Vascular; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Pressoreceptors; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Synapses; Vascular Resistance | 1983 |
Modulation of transmission in rat sympathetic ganglia by activation of presynaptic alpha- and beta-adrenoceptors.
Topics: Action Potentials; Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Animals; Clonidine; Drug Interactions; Electrophysiology; Epinephrine; Female; Ganglia, Sympathetic; In Vitro Techniques; Male; Phentolamine; Propranolol; Rats; Rats, Inbred Strains; Synaptic Transmission | 1983 |
Adrenoceptor changes in spontaneous hypertensive rats: a circadian approach.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Brain; Brain Stem; Cerebral Cortex; Circadian Rhythm; Clonidine; Dihydroalprenolol; Dioxanes; Hypertension; Hypothalamus; Kinetics; Male; Phentolamine; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic | 1983 |
Effects of adrenaline on isolated heart of the eel (Anguilla anguilla L.) during winter.
Topics: Action Potentials; Animals; Clonidine; Eels; Epinephrine; Heart; Heart Rate; Phentolamine; Propranolol; Seasons; Systole | 1983 |
The effect of clonidine on the response to stimulation of non-adrenergic non-cholinergic nerves in the guinea-pig urinary bladder in-vitro.
Topics: Adenosine Triphosphate; Animals; Clonidine; Electric Stimulation; Female; Guinea Pigs; Histamine H1 Antagonists; In Vitro Techniques; Male; Muscle Contraction; Phentolamine; Receptors, Adrenergic, alpha; Synaptic Transmission; Urinary Bladder | 1983 |
Interaction between noradrenergic and serotonergic brain systems as evidenced by behavioral and biochemical effects of microinjections of adrenergic agonists and antagonists into the median raphe nucleus.
Topics: Adrenergic Agonists; Albuterol; Animals; Brain Stem; Clonidine; Male; Microinjections; Norepinephrine; Phenoxybenzamine; Phentolamine; Propranolol; Raphe Nuclei; Rats; Rats, Inbred Strains; Serotonin; Yohimbine | 1983 |
alpha-Adrenergic activities of some substituted 2-(aminomethyl)imidazolines.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding, Competitive; Clonidine; Imidazoles; Male; Phentolamine; Prazosin; Rats; Vas Deferens | 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 |
Effect of repeated treatment with desipramine in the behavioral "despair" test in rats: antagonism by "atypical" but not "classical" neuroleptics or antiadrenergic drugs.
Topics: Adrenergic alpha-Antagonists; Animals; Antipsychotic Agents; Butyrophenones; Chlorpromazine; Clonidine; Clozapine; Depressive Disorder; Desipramine; Dibenzazepines; Haloperidol; Humans; Male; Metoclopramide; Phentolamine; Prazosin; Propranolol; Rats; Sulpiride | 1984 |
Effect of clonidine at steady state on blood pressure in spontaneously hypertensive rats. Interaction of various alpha-adrenoceptor antagonists.
Topics: Adrenergic alpha-Antagonists; Animals; Benzimidazoles; Blood Pressure; Clonidine; Dioxanes; Drug Interactions; Hypertension; Male; Phentolamine; Piperazines; Prazosin; Rats; Rats, Inbred Strains; Yohimbine | 1984 |
Effects of adrenoceptor antagonists and neuronal uptake inhibitors on dimethylphenylpiperazinium-induced release of catecholamines from the rabbit isolated adrenal gland and guinea-pig atria.
Topics: Adrenal Glands; Adrenergic alpha-Antagonists; Animals; Catecholamines; Clonidine; Cocaine; Desipramine; Dimethylphenylpiperazinium Iodide; Epinephrine; Guinea Pigs; Hexamethonium Compounds; In Vitro Techniques; Myocardium; Neurotransmitter Uptake Inhibitors; Phentolamine; Piperazines; Propranolol; Rabbits; Sympatholytics; Tritium | 1984 |
Effects of clonidine on alpha-adrenoceptors in the autoperfused hindquarters of the pithed rat.
Topics: Animals; Blood Pressure; Clonidine; Electric Stimulation; Female; Heart Rate; Male; Norepinephrine; Perfusion; Phentolamine; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Spinal Cord; Tubocurarine | 1983 |
Sympathetic control of substance P releasing enteric neurones in the guinea pig ileum.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Electric Stimulation; Guinea Pigs; Ileum; Neurosecretion; Norepinephrine; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Sincalide; Substance P; Sympathetic Nervous System | 1983 |
The outward transport of axoplasmic noradrenaline induced by a rise of the sodium concentration in the adrenergic nerve endings of the rat vas deferens.
Topics: 2H-Benzo(a)quinolizin-2-ol, 2-Ethyl-1,3,4,6,7,11b-hexahydro-3-isobutyl-9,10-dimethoxy-; Adenosine Triphosphatases; Adrenergic Fibers; Animals; Axonal Transport; Clonidine; In Vitro Techniques; Kinetics; Male; Methoxyhydroxyphenylglycol; Nerve Endings; Norepinephrine; Ouabain; Phentolamine; Potassium; Rats; Reserpine; Sodium; Vas Deferens; Veratridine | 1984 |
Comparison of mianserin with desipramine, maprotiline and phentolamine on cardiac presynaptic and vascular postsynaptic alpha-adrenoceptors and noradrenaline reuptake in pithed normotensive rats.
Topics: Animals; Anthracenes; Blood Vessels; Cardiovascular System; Clonidine; Desipramine; Dibenzazepines; Drug Interactions; Heart; Male; Maprotiline; Mianserin; Norepinephrine; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Spinal Cord | 1980 |
The involvement of central alpha-adrenergic and histamine H2-receptors in the hypothermia induced by clonidine in the rat.
Topics: Animals; Body Temperature; Cimetidine; Clonidine; Drug Interactions; Injections, Intraperitoneal; Injections, Intraventricular; Male; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Histamine; Receptors, Histamine H2; Time Factors | 1980 |
Pharmacological characterization of central alpha-adrenoceptors which mediate clonidine-induced locomotor hypoactivity in the developing rat.
Topics: Aging; Animals; Central Nervous System; Clonidine; Female; Male; Motor Activity; Phentolamine; Piperoxan; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Time Factors; Yohimbine | 1980 |
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 |
Inhibition of neuronal uptake reduces the presynaptic effects of clonidine but not of alpha-methylnoradrenaline on the stimulation-evoked release of 3H-noradrenaline from rat occipital cortex slices.
Topics: Amphetamine; Animals; Cerebral Cortex; Clonidine; Cocaine; Desipramine; Dose-Response Relationship, Drug; Drug Interactions; Electric Stimulation; In Vitro Techniques; Male; Nordefrin; Norepinephrine; Pargyline; Phentolamine; Rats; Receptors, Adrenergic, alpha; Tritium | 1980 |
Alpha-Adrenergic receptors modulate beta-receptor affinity in rat kidney membranes.
Topics: Alprenolol; Animals; Cell-Free System; Clonidine; Guanosine Triphosphate; Isoproterenol; Kidney; Membranes; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta | 1980 |
Effects of thyroid hormone deficiency on pre- and postsynaptic noradrenergic mechanisms in the rat cerebral cortex.
Topics: Animals; Cerebral Cortex; Clonidine; Cyclic AMP; Dose-Response Relationship, Drug; Hypothyroidism; In Vitro Techniques; Isoproterenol; Male; Norepinephrine; Phentolamine; Phosphoric Diester Hydrolases; Propylthiouracil; Rats; Receptors, Adrenergic; Receptors, Adrenergic, beta | 1980 |
Aspects of the pharmacology of prazosin.
Topics: Animals; Cats; Clonidine; Femoral Artery; Femoral Vein; In Vitro Techniques; Mesenteric Arteries; Norepinephrine; Phenoxybenzamine; Phentolamine; Prazosin; Pulmonary Artery; Quinazolines; Rabbits; Receptors, Adrenergic, alpha; Vasodilation; Yohimbine | 1980 |
Evaluation of presynaptic alpha-receptor function in the canine renal vascular bed.
Topics: Animals; Cattle; Clonidine; Desipramine; Dose-Response Relationship, Drug; Drug Antagonism; Epinephrine; Female; Kidney; Male; Norepinephrine; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasomotor System; Yohimbine | 1980 |
The role of alpha receptors in the facilitation of the chemoreflex and inhibition of the carotid occlusion reflex by clonidine.
Topics: Animals; Blood Pressure; Carotid Arteries; Carotid Body; Clonidine; Dogs; Female; Male; Phentolamine; Piperoxan; Propranolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Vasoconstriction; Yohimbine | 1980 |
Adrenergic mechanisms in canine intralobar pulmonary arteries and veins.
Topics: Animals; Bretylium Compounds; Clonidine; Cocaine; Dogs; Dose-Response Relationship, Drug; Electric Stimulation; Evoked Potentials; Female; Guanethidine; Male; Muscle Contraction; Phentolamine; Pulmonary Artery; Pulmonary Veins; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Sympathetic Nervous System; Tetrodotoxin; Tolazoline | 1981 |
Noradrenergic responses in rat hippocampus: evidence for medication by alpha and beta receptors in the in vitro slice.
Topics: Animals; Clonidine; Culture Techniques; Cyclic AMP; Evoked Potentials; Hippocampus; Isoproterenol; Male; Norepinephrine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Thionucleotides; Timolol | 1981 |
Alpha-adrenergic stimulation by clonidine increases plasma concentrations of immunoreactive beta-endorphin in rats.
Topics: Animals; beta-Endorphin; Clonidine; Endorphins; Hypophysectomy; Kinetics; Male; Phenoxybenzamine; Phentolamine; Propranolol; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1981 |
Characterization and quantitation of alpha-adrenergic receptor subtypes in rat hypothalamus.
Topics: Animals; Binding Sites; Clonidine; Dihydroergotoxine; Female; Hypothalamus; Norepinephrine; Phentolamine; Prazosin; Rats; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1981 |
Neurophysiological consequences of presynaptic receptor activation: changes in noradrenergic terminal excitability.
Topics: Animals; Clonidine; Electric Stimulation; Evoked Potentials; Frontal Lobe; Isoproterenol; Locus Coeruleus; Male; Neurons; Norepinephrine; Phentolamine; Potassium; Propranolol; Rats; Rats, Inbred Strains; Receptors, Adrenergic; Synaptic Transmission | 1981 |
Effects of guanabenz on the adrenergic mechanism in rabbit arterial strips.
Topics: Animals; Arteries; Clonidine; Electric Stimulation; Female; Guanabenz; Guanethidine; Guanidines; In Vitro Techniques; Male; Norepinephrine; Phentolamine; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Tritium; Tyramine; Vasoconstriction | 1981 |
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 |
Uptake and displacement of [3H]dihydroalprenolol, [3H]epinephrine and [3H]clonidine in isolated perfused rabbit lung.
Topics: Alprenolol; Animals; Clonidine; Dihydroalprenolol; Epinephrine; In Vitro Techniques; Lung; Male; Perfusion; Phenoxybenzamine; Phentolamine; Rabbits; Receptors, Adrenergic, beta; Tritium | 1982 |
Apparent absence of alpha-2 adrenergic receptors from hamster brown adipocytes.
Topics: Adipose Tissue, Brown; Animals; Clonidine; Cricetinae; Cyclic AMP; Dose-Response Relationship, Drug; Isoproterenol; Lipolysis; Mesocricetus; Methoxamine; Niacin; Nicotinic Acids; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 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 |
Modulation of endogenous noradrenaline release by prejunctional alpha-adrenoreceptors: comparison of a cerebral and peripheral artery.
Topics: Animals; Arteries; Cerebral Arteries; Clonidine; Ear; Female; In Vitro Techniques; Male; Norepinephrine; Phenoxybenzamine; Phentolamine; Rabbits; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 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 |
An in vitro physiological study of normal and unstable human detrusor muscle.
Topics: Acetylcholine; Adult; Aged; Clonidine; Electric Stimulation; Female; Humans; In Vitro Techniques; Isoproterenol; Male; Middle Aged; Muscle Contraction; Muscle, Smooth; Phentolamine; Receptors, Adrenergic, alpha; Urinary Bladder | 1982 |
Characterization of the clonidine receptor site.
Topics: Animals; Blood Pressure; Brain; Clonidine; Feedback; Guinea Pigs; Heart Rate; Norepinephrine; Phentolamine; Pressoreceptors; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Reflex; Sinoatrial Node; Stimulation, Chemical; Synapses | 1983 |
In vitro and in vivo down-regulation of human platelet alpha 2-adrenoceptors by clonidine.
Topics: Adult; Blood Platelets; Blood Pressure; Cell Membrane; Clonidine; Female; Heart Rate; Humans; In Vitro Techniques; Kinetics; Male; Middle Aged; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha | 1982 |
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 |
Endogenous and exogenous regulation of human alpha- and beta-adrenergic receptors.
Topics: Adolescent; Adult; Aged; Aging; Blood Platelets; Clonidine; Estrogens; Female; Guanosine Triphosphate; Humans; Iodocyanopindolol; Lymphocytes; Male; Middle Aged; Phentolamine; Pindolol; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Yohimbine | 1983 |
Antagonist properties of phentolamine at both presynaptic alpha 2-adrenoceptors and presynaptic dopamine receptors using field stimulated right cat atria.
Topics: Animals; Apomorphine; Cats; Clonidine; Dose-Response Relationship, Drug; Electric Stimulation; Female; Heart Atria; In Vitro Techniques; Male; Myocardium; Phentolamine; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Receptors, Dopamine; Yohimbine | 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 |
Clonidine and noradrenaline fail to inhibit vagal induced bradycardia. Evidence against prejunctional alpha-adrenoceptors on vagal varicosities in guinea pig right atria.
Topics: Animals; Clonidine; Electric Stimulation; Female; Guinea Pigs; Heart; Heart Rate; In Vitro Techniques; Male; Norepinephrine; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Time Factors; Vagus Nerve | 1983 |
Alpha 2 adrenoceptor-mediated vasoconstriction of arteries.
Topics: Adult; Brachial Artery; Clonidine; Drug Interactions; Female; Hemodynamics; Humans; Infusions, Intra-Arterial; Male; Phentolamine; Prazosin; Quinazolines; Receptors, Adrenergic, alpha; Vasoconstriction | 1983 |
The role of beta- and alpha-adrenoceptors in the regulation of the stages of the sleep-waking cycle in the cat.
Topics: Albuterol; Animals; Atenolol; Cats; Clonidine; Male; Metoprolol; Phentolamine; Practolol; Prazosin; Prenalterol; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Sleep Stages | 1983 |
Controversial evidence regarding the functional importance of presynaptic alpha receptors.
Topics: Animals; Clonidine; Dogs; Electric Stimulation; Heart; Heart Rate; Kidney; Norepinephrine; Oxymetazoline; Phentolamine; Receptors, Adrenergic, alpha; Synapses; Vasoconstriction; Yohimbine | 1984 |
Antihypertensive drugs: their postural hypotensive effect and their blood pressure lowering activity in conscious normotensive rats.
Topics: Animals; Antihypertensive Agents; Blood Pressure; Captopril; Clonidine; Hydrochlorothiazide; Hypotension, Orthostatic; Male; Minoxidil; Nicardipine; Nifedipine; Nitroprusside; Pentolinium Tartrate; Phentolamine; Prazosin; Rats; Rats, Inbred Strains | 1983 |
Diazepam, alpha and beta neurotransmission modifying drugs and contrast media mortality in mice.
Topics: Animals; Clonidine; Diatrizoate; Diatrizoate Meglumine; Diazepam; Drug Interactions; Female; Lethal Dose 50; Male; Metoprolol; Mice; Phentolamine; Prazosin; Propranolol; Sympatholytics; Sympathomimetics | 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 |
Poor vasoconstrictor response to adrenergic stimulation in the arteriovenous anastomoses present in the carotid vascular bed of young Yorkshire pigs.
Topics: Animals; Arteriovenous Anastomosis; Blood Pressure; Carotid Arteries; Clonidine; Electric Stimulation; Heart Rate; Hemodynamics; Norepinephrine; Parasympathetic Nervous System; Phentolamine; Regional Blood Flow; Swine; Vasoconstriction | 1984 |
Clozapine--a serotonin antagonist?
Topics: Animals; Apomorphine; Clonidine; Clozapine; Dibenzazepines; Drug Interactions; Haloperidol; Lysergic Acid Diethylamide; Male; Microinjections; Motor Activity; Nucleus Accumbens; Phentolamine; Raphe Nuclei; Rats; Rats, Inbred Strains; Serotonin Antagonists | 1984 |
Influences of norepinephrine and alpha-adrenergic mechanisms on gonadotropin secretion in female goldfish, Carassius auratus.
Topics: Animals; Clonidine; Cyprinidae; Female; Goldfish; Gonadotropins; Injections, Intraperitoneal; Injections, Intraventricular; Norepinephrine; Ovary; Phentolamine; Time Factors | 1984 |
Effect of clonidine and phentolamine on self-stimulation behavior in the dorsal and ventral regions of the lateral hypothalamus in mice.
Topics: Animals; Clonidine; Depression, Chemical; Hypothalamus; Mice; Phentolamine; Self Stimulation | 1980 |
Effects of dopamine and apomorphine on the response of rabbit isolated atria to sympathetic nerve stimulation.
Topics: Animals; Apomorphine; Clonidine; Dopamine; Electric Stimulation; Female; Flupenthixol; Heart; Heart Rate; In Vitro Techniques; Male; Phentolamine; Rabbits; Sympathetic Nervous System | 1983 |
Effects of clonidine infusion and withdrawal on blood pressure and behaviour in the rat. A preliminary study.
Topics: Animals; Behavior, Animal; Blood Pressure; Clonidine; Humans; Male; Motor Activity; Phentolamine; Rats; Rats, Inbred Strains; Sleep Stages; Substance Withdrawal Syndrome | 1982 |
Acute, subacute and chronic toxicity/Carcinogenicity of lofexidine.
Topics: Animals; Antidotes; Carcinogens; Clonidine; Dogs; Phentolamine; Rats; Rats, Inbred Strains; Tolazoline | 1982 |
Growth hormone response in patients with depression.
Topics: Clonidine; Depressive Disorder; Growth Hormone; Humans; Methysergide; Phentolamine | 1981 |
[Central hypotensive effects of guanfacine in anaesthetised rabbits (author's transl)].
Topics: Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Desipramine; Guanfacine; Guanidines; Heart Rate; Hydroxydopamines; Injections, Intravenous; Injections, Intraventricular; Phentolamine; Phenylacetates; Rabbits | 1982 |
Clonidine dependence in the guinea-pig isolated ileum.
Topics: Animals; Clonidine; Guinea Pigs; Humans; Ileum; In Vitro Techniques; Male; Morphine Derivatives; Muscle Contraction; Muscle, Smooth; Naloxone; Phentolamine; Propranolol; Substance-Related Disorders | 1981 |
Sympatholytic effect on striated urethral sphincter. A peripheral or central nervous system effect?
Topics: Adult; Blood-Brain Barrier; Clonidine; Electromyography; Female; Humans; Male; Phentolamine; Pressure; Reflex; Sympatholytics; Urethra | 1981 |
Sympathetic influence on striated urethral sphincter in urinary incontinence.
Topics: Clonidine; Electromyography; Female; Humans; Male; Phentolamine; Pressure; Sympathetic Nervous System; Urethra; Urinary Incontinence | 1981 |
[Effects of long-term administration and cessation of clonidine on blood pressure in spontaneously hypertensive rats (author's transl)].
Topics: Action Potentials; Animals; Blood Pressure; Body Weight; Catecholamines; Clonidine; Eating; Heart Rate; Hypertension; Kidney; Male; Phentolamine; Rats; Sympathetic Nervous System; Tissue Distribution | 1980 |
Comparison of hypotensive, orthostatic and sympathetic inhibitory actions of antihypertensive drugs in rats.
Topics: Animals; Antihypertensive Agents; Blood Pressure; Clonidine; Diazepam; Guanethidine; Heart Rate; Hydralazine; Hypotension; Male; Mecamylamine; Methyldopa; Minoxidil; Phentolamine; Posture; Prazosin; Propranolol; Rats; Reserpine; Sympathetic Nervous System | 1981 |
Influence of sympatholytic drugs on the cardiovascular response to isometric exercise.
Topics: Adult; Bethanidine; Blood Pressure; Clonidine; Heart Rate; Humans; Isometric Contraction; Male; Oxprenolol; Phenoxybenzamine; Phentolamine; Physical Exertion; Stimulation, Chemical; Sympatholytics; Time Factors | 1981 |
Effect of prostaglandins D2, E2 and F2alpha on catecholamine release from slices of rat and rabbit brain.
Topics: Animals; Brain; Catecholamines; Clonidine; Female; In Vitro Techniques; Indomethacin; Male; Phentolamine; Prostaglandins; Prostaglandins D; Prostaglandins E; Prostaglandins F; Rabbits; Rats; Species Specificity; Tritium | 1981 |
Dopaminergic and adrenergic effects on plasma LH levels in rats with hypothalamic islands.
Topics: Animals; Apomorphine; Castration; Clonidine; Dopamine; Female; Hypothalamus; Luteinizing Hormone; Norepinephrine; Phenoxybenzamine; Phentolamine; Rats; Receptors, Adrenergic; Receptors, Dopamine | 1981 |
Effect of chronic administration of clonidine, propranolol and alpha-methyldopa on extensibility and biochemical properties of the veins in renal and spontaneous hypertension.
Topics: Adipose Tissue; Animals; Antihypertensive Agents; Body Water; Clonidine; DNA; Elasticity; Female; Hemodynamics; Hypertension; Hypertension, Renal; Hypertension, Renovascular; Male; Methyldopa; Phenoxybenzamine; Phentolamine; Propranolol; Proteins; Rats; Veins | 1981 |
Clonidine or xylazine as provocative tests for growth hormone secretion in the dog.
Topics: Animals; Blood Glucose; Clonidine; Dogs; Dose-Response Relationship, Drug; Growth Hormone; Phentolamine; Thiazines; Xylazine | 1981 |
Facilitation by clonidine of purine release induced by high KCl from the rabbit pulmonary artery.
Topics: Adenosine; Animals; Clonidine; Denervation; Epinephrine; In Vitro Techniques; Male; Muscle Contraction; Phentolamine; Potassium Chloride; Pulmonary Artery; Purines; Rabbits; Tritium | 1981 |
[Antihypertensive activity of minoxidil, hydralazine, prazosin, phentolamine and clonidine in spontaneously hypertensive rats. Comparison with therapeutic dosages].
Topics: Animals; Antihypertensive Agents; Clonidine; Hydralazine; Hypertension; Minoxidil; Phentolamine; Prazosin; Rats | 1981 |
Behavioral and temperature changes induced by clonidine in the developing rat.
Topics: Animals; Behavior, Animal; Body Temperature; Clonidine; Locomotion; Movement; Phenoxybenzamine; Phentolamine; Rats; Sympathetic Nervous System | 1981 |
Testosterone response to exercise during blockade and stimulation of adrenergic receptors in man.
Topics: Adult; Clonidine; Exercise Test; Humans; Male; Phentolamine; Physical Exertion; Propranolol; Receptors, Adrenergic; Testosterone; Time Factors | 1981 |
The use of isolated digital arteries to study factors influencing adrenergic-transmitter release in man.
Topics: Arteries; Clonidine; Cocaine; Fingers; Guanethidine; Humans; In Vitro Techniques; Norepinephrine; Phentolamine; Pressure; Tetrodotoxin; Time Factors | 1980 |
Clonidine on the pressor response to raised intracranial pressure.
Topics: Animals; Blood Pressure; Clonidine; Drug Interactions; Injections, Intraventricular; Intracranial Pressure; Norepinephrine; Phentolamine; Rabbits; Reserpine; Time Factors | 1980 |
Effects of clonidine on canine cardiac neuroeffector structures controlling heart rate.
Topics: Animals; Autonomic Nervous System; Clonidine; Dogs; Electric Stimulation; Female; Heart Rate; Isoproterenol; Male; Neuroeffector Junction; Phentolamine; Time Factors; Vagus Nerve | 1980 |
Stimulation of alpha-adrenoceptors inhibits cholesterol synthesis in freshly isolated human mononuclear leukocytes.
Topics: Cholesterol; Clonidine; Dopamine; Dose-Response Relationship, Drug; Epinephrine; Humans; Leukocytes, Mononuclear; Norepinephrine; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Sterols | 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 |
Mediation of noradrenaline-induced contractions of rat aorta by the alpha 1B-adrenoceptor subtype.
Topics: Adrenergic alpha-Antagonists; Animals; Aorta, Thoracic; Binding, Competitive; Clonidine; Computer Simulation; Hippocampus; In Vitro Techniques; Liver; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Phentolamine; Piperazines; Prazosin; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-1; Regression Analysis; Spiperone; Stereoisomerism; Sulfonamides | 1995 |
Effect of the centrally acting muscle relaxant tizanidine on spinal reflexes: involvement of descending noradrenergic systems.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Antagonists; Animals; Blood Pressure; Clonidine; Decerebrate State; Dioxanes; Hexamethonium Compounds; Idazoxan; Male; Muscle Relaxants, Central; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Reflex; Reflex, Monosynaptic; Spinal Cord; Sympathetic Nervous System | 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 |
Selective enrichment with alpha 1A- and alpha 1B-adrenoceptor subtypes in rat brain cortical membranes.
Topics: Adrenergic alpha-Antagonists; Alkylating Agents; Alkylation; Animals; Binding Sites; Cerebral Cortex; Clonidine; Cystamine; Dihydropyridines; Dioxanes; Phenoxybenzamine; Phentolamine; Prazosin; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha | 1994 |
Strychnine-induced seizures in mice: the role of noradrenaline.
Topics: Adrenergic alpha-Antagonists; Animals; Clonidine; Dioxanes; Disulfiram; Droxidopa; Idazoxan; Imipramine; Male; Mice; Pargyline; Phentolamine; Prazosin; Propranolol; Receptors, Adrenergic; Reserpine; Seizures; Strychnine | 1994 |
A model system to determine the effects of specific neurotransmitters on segmental reflexes in the spinal cord of the rat.
Topics: Animals; Clonidine; Decerebrate State; Dopamine; Electromyography; Electrophysiology; Female; Hindlimb; Levodopa; Models, Neurological; Muscle Contraction; Nerve Fibers; Neurotransmitter Agents; Norepinephrine; Oxidopamine; Phentolamine; Rats; Rats, Sprague-Dawley; Reflex; Spinal Cord; Sympathectomy, Chemical | 1993 |
Effects of clonidine and phentolamine infused into the medial preoptic area and medial basal hypothalamus of the guinea pig.
Topics: Adrenergic alpha-Agonists; Animals; Clonidine; Female; Guinea Pigs; Hypothalamus, Anterior; Hypothalamus, Middle; Infusions, Parenteral; Lordosis; Phentolamine; Preoptic Area | 1993 |
The involvement of noradrenaline, 5-hydroxytryptamine and acetylcholine in imipramine-induced seizures in mice.
Topics: 5-Hydroxytryptophan; Acetylcholine; alpha-Methyltyrosine; Animals; Atropine; Clonidine; Dioxanes; Droxidopa; Drug Synergism; Idazoxan; Imipramine; Male; Methyltyrosines; Mice; Norepinephrine; Pargyline; Phentolamine; Physostigmine; Prazosin; Reserpine; Seizures; Serotonin | 1993 |
Effect of naloxone on the habituation of novelty-induced hypoalgesia: the collateral inhibition hypothesis revisited.
Topics: Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-2 Receptor Antagonists; Animals; Clonidine; Habituation, Psychophysiologic; Male; Morphine; Naloxone; Norepinephrine; Pain; Pain Measurement; Phentolamine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2 | 1993 |
Antagonism of levcromakalim by imidazoline- and guanidine-derivatives in rat portal vein: involvement of the delayed rectifier.
Topics: Animals; Antazoline; Benzopyrans; Clonidine; Cromakalim; Glyburide; Guanabenz; Imidazoline Receptors; Male; Phentolamine; Portal Vein; Potassium Channels; Pyrroles; Rats; Rats, Sprague-Dawley; Receptors, Drug | 1993 |
Naloxone potentiation of novelty-induced hypoalgesia: characterization of the alpha-noradrenergic receptor subtype.
Topics: Animals; Clonidine; Drug Synergism; Habituation, Psychophysiologic; Male; Naloxone; Pain; Phentolamine; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic; Receptors, Adrenergic, alpha; Yohimbine | 1993 |
Effects of noradrenaline on the firing rate of vestibular neurons.
Topics: Action Potentials; Animals; Clonidine; Dose-Response Relationship, Drug; Electrophysiology; Eye Movements; Iontophoresis; Isoproterenol; Male; Movement; Neurons; Norepinephrine; Phentolamine; Prazosin; Rats; Rats, Wistar; Vestibular Nuclei; Vestibule, Labyrinth; Yohimbine | 1993 |
Investigation of the actions of chloroethylclonidine in rat aorta.
Topics: Adrenergic alpha-Antagonists; Analysis of Variance; Animals; Aorta; Clonidine; Cystamine; Dioxanes; Dose-Response Relationship, Drug; Drug Synergism; Male; Muscle Contraction; Muscle, Smooth, Vascular; Norepinephrine; Oxathiins; Phenoxybenzamine; Phentolamine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Spiperone; Xylazine; Yohimbine | 1995 |
The prejunctional inhibitory effect of alpha-methylnoradrenaline in the rat vas deferens is not mediated via alpha 2-adrenoceptors.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Clonidine; Dioxanes; Electric Stimulation; Idazoxan; Imidazoles; Isometric Contraction; Male; Neuromuscular Junction; Nordefrin; Phenoxybenzamine; Phentolamine; Quinolines; Rats; Rats, Sprague-Dawley; Rats, Wistar; Receptors, Adrenergic, alpha-2; Vas Deferens; Vasoconstrictor Agents; Yohimbine | 1995 |
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 |
[The in vitro effect of alpha-2 agonists on thrombocyte function and density of thrombocyte alpha-2 receptors].
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-Agonists; Blood Platelets; Clonidine; Humans; Imidazoles; In Vitro Techniques; Medetomidine; Phentolamine; Platelet Aggregation; Radioligand Assay; Receptors, Adrenergic, alpha-2; Yohimbine | 1996 |
Synergistic antinociceptive interactions of morphine and clonidine in rats with nerve-ligation injury.
Topics: Adrenergic alpha-Agonists; Analgesics; Animals; Clonidine; Dose-Response Relationship, Drug; Drug Synergism; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalins; Injections, Intraperitoneal; Injections, Spinal; Male; Morphine; Pain; Phentolamine; Rats; Rats, Sprague-Dawley; Spinal Nerve Roots | 1997 |
Spontaneously hypertensive rat Y chromosome increases indexes of sympathetic nervous system activity.
Topics: Adrenal Glands; Age Factors; Analysis of Variance; Animals; Antihypertensive Agents; Blood Pressure; Chromogranin A; Chromogranins; Clonidine; Dopamine; Epinephrine; Hypertension; Male; Norepinephrine; Phentolamine; Rats; Rats, Inbred SHR; Rats, Inbred WKY; Stress, Physiological; Sympathetic Nervous System; Y Chromosome | 1997 |
Neuronal regulation of interleukin 6 secretion in murine spleen: adrenergic and opioidergic control.
Topics: Adrenergic alpha-Agonists; Adrenergic beta-Agonists; Analgesics; Animals; beta-Endorphin; Clonidine; Electric Stimulation; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Enkephalin, Leucine; Enkephalin, Methionine; Enkephalins; Female; Interleukin-6; Isoproterenol; Mice; Mice, Inbred Strains; Morphinans; Naloxone; Narcotic Antagonists; Neurons; Phentolamine; Propranolol; Receptors, Adrenergic, alpha; Receptors, Adrenergic, beta; Receptors, Opioid; Spleen | 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 |
Characterisation of pre- and post-synaptic alpha-adrenoceptors in modulation of the rat ileum longitudinal and circular muscle activities.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Binding Sites; Brimonidine Tartrate; Clonidine; Electric Stimulation; Idazoxan; Ileum; In Vitro Techniques; Muscle Contraction; Oxymetazoline; Phentolamine; Quinoxalines; Rats; Receptors, Adrenergic, alpha; Receptors, Presynaptic | 1997 |
Imidazoline/guanidinium binding sites and their relation to inhibition of K(ATP) channels in pancreatic B-cells.
Topics: Adenosine Triphosphate; Animals; Binding, Competitive; Cell Line; Cell Membrane; Clonidine; Drug Interactions; Guanidine; Imidazoles; Imidazoline Receptors; Insulin; Insulin Secretion; Islets of Langerhans; Mice; Patch-Clamp Techniques; Phentolamine; Potassium Channel Blockers; Receptors, Adrenergic, alpha; Receptors, Drug | 1997 |
Effects of alpha 2-adrenergic agonism, imidazolines, and G-protein on insulin secretion in beta cells.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Cricetinae; Glucose; GTP-Binding Proteins; Humans; Imidazoles; Indoles; Insulin; Insulin Secretion; Insulinoma; Islets of Langerhans; Kinetics; Molecular Structure; Oxymetazoline; Pancreatic Neoplasms; Pertussis Toxin; Phentolamine; Pyrroles; Quinolizines; Receptors, Adrenergic, alpha-2; Tumor Cells, Cultured; Virulence Factors, Bordetella | 1997 |
A role for amino acid residues in the third cytoplasmic loop in defining the ligand binding characteristics of the alpha2D-adrenergic receptor.
Topics: Amino Acid Sequence; Amino Acids; Animals; Cattle; Clonidine; COS Cells; Cytoplasm; Epinephrine; Humans; Ligands; Mice; Molecular Sequence Data; Mutagenesis, Site-Directed; Oxymetazoline; Phentolamine; Prazosin; Protein Binding; Rats; Receptors, Adrenergic, alpha-2; Sequence Alignment; Yohimbine | 1997 |
Post- and presynaptic effects of norepinephrine in guinea-pig colonic submucous plexus.
Topics: Acetylcholine; Animals; Clonidine; Colon; Electric Stimulation; Evoked Potentials; Excitatory Postsynaptic Potentials; Guinea Pigs; In Vitro Techniques; Microelectrodes; Muscle, Smooth; Myenteric Plexus; Neurons; Norepinephrine; Phentolamine; Prazosin; Synapses; Yohimbine | 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 |
Mechanism of relaxant effect of clonidine in isolated bovine tracheal smooth muscle.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cattle; Clonidine; Cyclic AMP; In Vitro Techniques; Isometric Contraction; Muscle Contraction; Muscle Relaxation; Muscle, Smooth; Oxymetazoline; Phentolamine; Trachea | 1998 |
Chloroethylclonidine is a partial alpha1-adrenoceptor agonist in aorta and caudal arteries of the Wistar Kyoto rat.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-Antagonists; Animals; Aorta; Clonidine; Dose-Response Relationship, Drug; Male; Muscle Contraction; Muscle, Smooth, Vascular; Phentolamine; Rats; Rats, Inbred WKY; Receptors, Adrenergic, alpha-1; Vasoconstriction; Yohimbine | 1998 |
Tizanidine protects mice against convulsions induced by lidocaine: involvement of alpha 2-adrenoceptors.
Topics: Animals; Anticonvulsants; Behavior, Animal; Clonidine; Drug Interactions; Lidocaine; Male; Mice; Phentolamine; Prazosin; Receptors, Adrenergic, alpha-2; Seizures; Time Factors; Yohimbine | 1999 |
Modulation of basal intracellular calcium by inverse agonists and phorbol myristate acetate in rat-1 fibroblasts stably expressing alpha1d-adrenoceptors.
Topics: Adrenergic alpha-1 Receptor Agonists; Adrenergic alpha-1 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Cell Line; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Endothelin-1; Fibroblasts; Norepinephrine; Phentolamine; Piperazines; Protein Kinase C; Rats; Receptors, Adrenergic, alpha-1; Staurosporine; Tetradecanoylphorbol Acetate; Transfection | 1999 |
Heterogeneous characteristics of imidazoline-induced insulin secretion.
Topics: Adrenergic alpha-Antagonists; Animals; Anti-Arrhythmia Agents; Calcium; Clonidine; Drug Interactions; Enzyme Inhibitors; Glucose; Idazoxan; Imidazoles; In Vitro Techniques; Insulin; Insulin Secretion; Islets of Langerhans; Membrane Potentials; Mice; Phentolamine; Potassium Channels; Time Factors | 1999 |
Alpha2-adrenergic effect on human breast cancer MCF-7 cells.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Breast Neoplasms; Cell Division; Cells, Cultured; Clonidine; Cyclic AMP; Epinephrine; Female; Humans; Norepinephrine; Phentolamine; Prazosin; Propranolol; Tumor Cells, Cultured; Yohimbine | 1999 |
Oxytocin induces preservation of social recognition in male rats by activating alpha-adrenoceptors of the olfactory bulb.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Agonists; Adrenergic beta-Antagonists; Animals; Clonidine; Isoproterenol; Male; Memory; Microdialysis; Norepinephrine; Olfactory Bulb; Oxytocin; Phentolamine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Receptors, Oxytocin; Social Behavior; Social Dominance; Timolol | 2000 |
Frequency dependent alpha(2)-adrenoceptor mediated modulation of excitatory junction potentials in guinea-pig mesenteric artery.
Topics: Adrenergic alpha-2 Receptor Agonists; Adrenergic alpha-2 Receptor Antagonists; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Electric Stimulation; Evoked Potentials; Guinea Pigs; In Vitro Techniques; Male; Membrane Potentials; Mesenteric Arteries; Neuromuscular Junction; Oxymetazoline; Phentolamine; Pyridoxal Phosphate; Receptors, Adrenergic, alpha-2; Reserpine; Suramin; Yohimbine | 2001 |
Imidazolines inhibit secretory responses of rat colonic mucosa to calcium-dependent but not cyclic AMP-dependent secretagogues.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Calcium; Clonidine; Colon; Cyclic AMP; Idazoxan; Imidazoles; In Vitro Techniques; Intestinal Mucosa; Male; Phentolamine; Rats; Rats, Wistar | 2001 |
Synthesis and evaluation of 4-fluoro-8-substituted-2,3,4,5-tetrahydro-1H-2-benzazapines as selective inhibitors of phenylethanolamine N-methyltransferase versus the alpha(2)-adrenoceptor.
Topics: Adrenergic alpha-Antagonists; Animals; Benzazepines; Cerebral Cortex; Clonidine; Enzyme Inhibitors; In Vitro Techniques; Male; Models, Molecular; Phentolamine; Phenylethanolamine N-Methyltransferase; Radioligand Assay; Rats; Rats, Sprague-Dawley; Receptors, Adrenergic, alpha-2; Structure-Activity Relationship | 2001 |
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 |
Spinal alpha(2)-adrenoceptors are involved in the MACbar-sparing effect of systemic clonidine in rats.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Anesthetics, Inhalation; Animals; Clonidine; Hemodynamics; Injections, Spinal; Male; Methyl Ethers; Phentolamine; Pulmonary Alveoli; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-2; Sevoflurane; Spinal Cord; Yohimbine | 2002 |
Biogenic amines evoke heartbeat reversal in larvae of the sweet potato hornworm, Agrius convolvuli.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Clonidine; Ganglia, Invertebrate; Heart; Heart Rate; Larva; Moths; Myocardial Contraction; Octopamine; Phentolamine; Serotonin | 2002 |
Responses to sympathomimetics in rat sensory neurones after nerve transection.
Topics: Action Potentials; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Axons; Catechols; Clonidine; Female; Ganglia, Spinal; Male; Neurons, Afferent; Norepinephrine; Phentolamine; Rats; Rats, Wistar; Receptors, Adrenergic, alpha; Sciatic Nerve; Spinal Nerves; Sympathectomy | 2003 |
Neurochemical characteristics of the ventromedial hypothalamus in mediating the antiaversive effects of anxiolytics in different models of anxiety.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Animals; Anti-Anxiety Agents; Anticonvulsants; Anxiety; Apomorphine; Avoidance Learning; Biguanides; Brain Chemistry; Chlordiazepoxide; Clonidine; Disease Models, Animal; Dopamine; Dopamine Agonists; Dopamine Antagonists; Dose-Response Relationship, Drug; Droperidol; Drug Interactions; GABA Agents; GABA Antagonists; GABA Modulators; gamma-Aminobutyric Acid; Glutamic Acid; Male; Memantine; Mephenytoin; Microinjections; Pentylenetetrazole; Phentolamine; Picrotoxin; Piperazines; Propranolol; Pyrimidines; Rats; Serotonin; Sulpiride; Ventromedial Hypothalamic Nucleus; Yohimbine | 2003 |
Effects of castration and of testosterone replacement on alpha(1)-adrenoceptor subtypes in the rat vas deferens.
Topics: Animals; Castration; Clonidine; Dioxanes; Dose-Response Relationship, Drug; Male; Muscle Contraction; Neuronal Plasticity; Norepinephrine; Phentolamine; Piperazines; Prazosin; Rats; Rats, Wistar; Receptors, Adrenergic, alpha-1; Testosterone; Time Factors; Vas Deferens; Yohimbine | 2003 |
Direct optical recording of intrinsic efficacy at a G protein-coupled receptor.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; Cell Line; CHO Cells; Clonidine; Cricetinae; DNA, Complementary; Fluorescence Resonance Energy Transfer; Green Fluorescent Proteins; Luminescent Proteins; Mice; Norepinephrine; Phentolamine; Radioligand Assay; Receptors, G-Protein-Coupled; Recombinant Fusion Proteins; Transfection | 2003 |
Clonidine-induced coronary vasodilatation in isolated guinea pig heart is not mediated by endothelial alpha2 adrenoceptors.
Topics: Animals; Clonidine; Coronary Vessels; Dose-Response Relationship, Drug; Drug Synergism; Endothelium, Vascular; Guinea Pigs; Heart; Myocardial Contraction; NG-Nitroarginine Methyl Ester; Nitric Oxide; Phentolamine; Prazosin; Ranitidine; Receptors, Adrenergic, alpha-2; Receptors, Histamine H2; Vasoconstriction; Vasodilation; Yohimbine | 2003 |
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 |
Role of brain adrenoceptors in the corticortopin-releasing factor-induced central activation of sympatho-adrenomedullary outflow in rats.
Topics: Adrenal Medulla; Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Adrenergic beta-Antagonists; Anesthesia; Animals; Clonidine; Corticotropin-Releasing Hormone; Dose-Response Relationship, Drug; Epinephrine; Injections, Intraventricular; Isoquinolines; Male; Naphthyridines; Norepinephrine; Phentolamine; Rats; Rats, Wistar; Receptors, Adrenergic; Sotalol; Sympathetic Nervous System; Time Factors | 2008 |
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 |
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 |
Ma huang and alpha subtype adrenoceptors in the cat pulmonary vascular bed.
Topics: Adrenergic alpha-Antagonists; Animals; Blood Pressure; Cats; Clonidine; Dose-Response Relationship, Drug; Drugs, Chinese Herbal; Ephedra sinica; Female; Lung; Male; Phentolamine; Piperazines; Prazosin; Prospective Studies; Pulmonary Circulation; Receptors, Adrenergic; Vasoconstrictor Agents | 2008 |