pregnenolone has been researched along with androstenedione in 375 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 265 (70.67) | 18.7374 |
| 1990's | 55 (14.67) | 18.2507 |
| 2000's | 31 (8.27) | 29.6817 |
| 2010's | 19 (5.07) | 24.3611 |
| 2020's | 5 (1.33) | 2.80 |
| Authors | Studies |
|---|---|
| Kollman, PA; Lee, DL; Marsh, FJ; Wolff, ME | 1 |
| Chapman, D; Jain, AN; Koile, K | 1 |
| Good, AC; Peterson, SJ; Richards, WG | 1 |
| Good, AC; Richards, WG; So, SS | 1 |
| Platt, DE; Silverman, BD | 1 |
| Crippen, GM | 1 |
| Karplus, M; So, SS | 1 |
| Hamprecht, FA; Kubinyi, H; Mietzner, T | 1 |
| Clementi, S; Cruciani, G; McLay, I; Pastor, M; Pickett, S | 1 |
| Baumann, K; Stiefl, N | 1 |
| Gynther, J; Honkakoski, P; Jyrkkärinne, J; Mäkinen, J; Poso, A; Savolainen, H | 1 |
| Higashiura, K; Kotani, T | 1 |
| Bohl, CE; Chang, C; Chen, J; Dalton, JT; Miller, DD; Mohler, ML; Swaan, PW | 1 |
| Ban, F; Cherkasov, A; Fallahi, M; Hammond, GL; Santos-Filho, O; Thorsteinson, N | 1 |
| de Greef-Bijleveld, MJ; Grootegoed, JA; Rommerts, FF; van der Molen, HJ; van der Vusse, CJ | 1 |
| Bedrak, E; Chap, Z | 1 |
| El-Kabariti, H; el-Sewedy, SM; El-Zoghby, SM; Mostafa, MH; Rakonczay, Z; Saad, AA | 1 |
| Geiss, M; Pirke, KM; Vogt, HJ | 1 |
| de Kretser, DM; Sharpe, RM; Swanston, IA | 1 |
| Telegdy, G; Tóth, EK; Várszegi, M; Vermes, I | 1 |
| Hammond, GL; Kontturi, M; Vihko, P; Vihko, R | 1 |
| Hews, EA; Kime, DE | 1 |
| Preslock, JP; Steinberger, E | 6 |
| Jaffe, RB; Payne, AH | 2 |
| Deshpande, N; Yates, J | 3 |
| Fulgheri, FD; Lupo di Prisco, C | 1 |
| Bedford, CA; Heap, RB; Linzell, JL | 1 |
| Brenner, PF; Cekan, Z; DICZFALUSY, E; Landgren, BM; Purvis, K | 1 |
| Cekan, Z; Diczfalusy, E; Landgren, BM; Purvis, K | 2 |
| Fehér, T; Györy, G; Kiss, C; Poteczin, E | 1 |
| Cooper, TG; Waites, GM | 1 |
| Bell, JB | 1 |
| Friedrich, E; Schindler, AE | 1 |
| Deshpande, N | 1 |
| Abraham, GE; Chakmakjian, ZH | 2 |
| Goebelsmann, U; Hall, TD; Paul, WL; Stanczyk, FZ | 1 |
| Aso, T; Brenner, PF; Cekan, Z; Diczfalusy, E; Guerrero, R; Hagenfeldt, K; Landgren, BM | 1 |
| Benagiano, G; de la Torre, B; Diczfalusy, E | 1 |
| Brinkley, HJ; Weiss, JR; Young, EP | 1 |
| Aso, T; Cekan, Z; Diczfalusy, E; Goncharov, N; Pachalia, N | 1 |
| Aso, T; Cekan, Z; Diczfalusy, E; Goncharov, N | 1 |
| Abraham, GE; Maroulis, GB | 2 |
| Cekan, Z; Diczfalusy, E; Giner, J; Purvis, K; Saksena, SK | 1 |
| Forrest, AP; Miller, WR; Shivas, AA | 1 |
| Carson, P; Deshpande, N; Di Martino, L; Tarquini, A | 1 |
| Belvedere, PC; Colombo, L | 1 |
| Gustafsson, SA | 1 |
| Sanyal, MK; Villee, CA | 1 |
| Mori, T | 1 |
| Burton, RD; Gadsby, JE; Heap, RB; Perry, JS | 1 |
| Aedo, AR; Cekan, SZ; Diczfalusy, E; Landgren, BM; Nuñez, M | 1 |
| Mori, T; Nishimura, T; Suzuki, A | 1 |
| French, FS; Guerrero, R; Hansson, V; Purvis, K; Ritzen, EM | 1 |
| Lance, V; Lofts, B | 1 |
| Chang, MC; Lau, IF; Saksena, SK | 1 |
| Doerr, P; Pirke, KM; Sintermann, R; Vogt, HJ | 1 |
| de la Torre, B; Diczfalusy, E; Hedman, M | 1 |
| McIntosh, JE; Phillipou, G; Seamark, RF | 1 |
| Fern, EB; Fern, M; Rose, DP | 1 |
| Bonaventura, LM; Cleary, RE; Judd, H; Roth, LM | 1 |
| Abraham, GE; Bossen, EH; Soules, MR | 1 |
| Choi, SK; Diczfalusy, E; Rajalakshmi, M; Robertson, DM | 1 |
| Lau, IF; Saksena, SK | 2 |
| Hammond, GL; Koivisto, M; Kouvalainen, K; Vihko, R | 1 |
| Cedard, L; Guichard, A; Haffen, K; Mignot, TM; Scheib, D | 1 |
| Bator, JM; Baukal, AJ; Catt, KJ; Cigorraga, SB; Dufau, ML; Neubauer, JF; Sorrell, SH | 1 |
| Abul-Hajj, YJ; Iverson, R; Kiang, DT | 1 |
| Iida, M; Iizuka, H; Shinozuka, T | 1 |
| Bertrand, J; Cadillon, E; de Peretti, E | 1 |
| Ehrenfeld, EN; Finkelstein, M; Fleischer, B; Maschler, I; Weidenfeld, J | 1 |
| Markert, C; Träger, L | 1 |
| Anderson, DC; Yen, SS | 1 |
| Bussmann, L; Huseby, RA; Samuels, LT | 1 |
| McNatty, KP | 1 |
| Bayer, JM; Breuer, H; Lisboa, BP; Nocke-Finck, L; Strassner, M | 1 |
| Corda, R; Facchinetti, F; Genazzani, AR; Inaudi, P; Maci, D; Pintor, C | 1 |
| Bell, JB; Gould, RP; Hyatt, PJ; Tait, JF; Tait, SA | 1 |
| Andrada, JA; Hoscholan, JC | 1 |
| Hayashi, K; Schindler, AE | 1 |
| Ascoli, M; Lacroix, A; McKenna, TJ; Puett, D | 1 |
| Akashi, S; Matsumoto, K; Mizutani, S; Tsujimura, T | 1 |
| Hammond, GL; Pakarinen, A; Vihko, R | 1 |
| Atienza, SB; Sherman, MI | 1 |
| Campo, S; Cekan, SZ; Diczfalusy, E; Landgren, BM | 1 |
| Rodriguez-Rigau, LJ; Smith, KD; Steinberger, E; Weiss, DB | 1 |
| Rodriguez-Rigau, LJ; Smith, KD; Steinberger, E; Tcholakian, RK | 1 |
| Kime, DE | 1 |
| Anderson, NG; Colás, AE; Curet, LB | 1 |
| Kawakura, K; Suzuki, K; Tamaoki, BI | 1 |
| Chan, SW; Leathem, JH | 2 |
| Baird, DT; McNatty, KP; Swanston, IA | 1 |
| Hammond, GL; Kontturi, M; Koskela, E; Ruokonen, A; Vihko, R | 1 |
| Colombo, L; Yaron, Z | 1 |
| Lambert, JG; Pot, MG | 1 |
| Fernholm, B; Hirose, K; Kobayashi, H; Tamaoki, B | 1 |
| Shinada, T | 1 |
| Abraham, GE | 1 |
| Fukunishi, H; Mickan, H; Zander, J | 1 |
| Cooke, GM; Hébert, P | 1 |
| Kikuchi, M; Kobayashi, T; Mashu, A; Nozawa, S; Saijo, A; Sho, R; Tamura, T; Tanabe, K | 1 |
| De Loof, A; Lambert, JG; Swevers, L | 1 |
| Babalola, GO; Shapiro, BH | 1 |
| Orimo, H; Shiraki, M | 1 |
| Johnson, AL; Kowalski, KI; Tilly, JL | 1 |
| Wehrman, ME; Welsh, TH; Williams, GL | 1 |
| Desvages, G; Pieau, C | 1 |
| Laskey, JW; Phelps, PV | 1 |
| Eriksson, CJ; Härkönen, M; Orava, MM; Orpana, AK; Vihko, RK | 1 |
| Castro, O; Devoto, L; Kohen, P; Vega, M | 1 |
| Brandt, ME; Brodie, AM; Melner, MH; Puett, D; Zimniski, SJ | 1 |
| Itakura, M; Koide, Y; Kuzuya, N; Matsumara, M; Murayama, Y; Nakamura, S; Okuda, Y; Takuwa, Y; Tomizawa, H; Watanabe, Y | 1 |
| Roby, KF; Terranova, PF | 1 |
| Lorence, MC; Mason, JI; Murry, BA; Trant, JM | 1 |
| López-Solache, I; Mendoza-Hernández, G; Rendón, JL | 1 |
| Bar-Ami, S; Brandes, JM; Gitay-Goren, H | 1 |
| Armstrong, DT; Calaresu, FR; Morley, P | 1 |
| Nestler, JE | 1 |
| Conley, AJ; Mason, JI | 1 |
| Burka, LT; Chapin, RE; Heindel, JJ; Phelps, JL; Somkuti, SG | 1 |
| Hoedemaker, M; Wagner, WC; Weston, PG | 1 |
| Armstrong, DT; Barbe, GJ; Calaresu, FR; Morley, P | 1 |
| Imataka, H; Inano, H; Kohmoto, K; Suzuki, K; Tamaoki, B | 1 |
| Flury, A; Olivier, NS; Patrito, LC; Raimondi, SG | 1 |
| Benahmed, M; Chauvin, MA; de Peretti, E; Morera, AM; Sordoillet, C | 1 |
| Adamo, MV; Balducci, R; Boscherini, B; Cives, C; Mangiantini, A; Toscano, V | 1 |
| Balfour, C; Halpert, J; Jaw, JY | 1 |
| Bhargava, G; Denman, H; Jandorek, R; Miller, LK; Poretsky, L | 1 |
| Albrecht, ED; Butterstein, GM; Jackson, JA | 1 |
| Gautier, T; Imperato-McGinley, J; Peterson, RE; Shackleton, C | 1 |
| De Clerck, D; De Loof, A; Diederik, H; Ollevier, F | 1 |
| Lambert, JG; Schoonen, WG | 2 |
| Deslypere, JP; Vermeulen, A | 1 |
| Lanthier, A; Patwardhan, VV | 3 |
| Ali, SA; Lambert, JG; Schoonen, WG; Van den Hurk, R; Van Oordt, PG | 1 |
| Benais, JP; Bonete, R; Dreux, C; Fiet, J; Gourmel, B; Gueux, B; Lacroix, C; Villette, JM | 1 |
| Bygdeman, M; de la Torre, B; Gottlieb, C; Hedman, M; Svanborg, K | 1 |
| Bélanger, A; Brochu, M; Cusan, L; Dupont, A; Labrie, F | 1 |
| Heath, DA; Henderson, KM; Kieboom, LE; Lun, S; McNatty, KP | 1 |
| Singh, S; Singh, TP | 1 |
| Anderson, DC; Davison, B; Frost, J; Lambert, A; Robertson, WR | 1 |
| Bermúdez, JA; Flores, M; Herrera, J; Martin, O; Medina, M; Zárate, A | 1 |
| Donaldson, A; Jeffcoate, SL; O'Shaughnessy, PJ; Pearce, S; Sufi, SB | 1 |
| Crabbé, J; Kolanowski, J; Ortega, N | 1 |
| Aida, K; Asahina, K; Hibiya, T; Suzuki, K; Tamaoki, B | 1 |
| Alén, M; Bolton, N; Ruokonen, A; Vihko, R | 1 |
| Seamark, RF; Stone, BA | 1 |
| Gross, TS; Williams, WF | 1 |
| Lambert, JG; Schoonen, WG; van den Hurk, R; van Zoelen, GA | 1 |
| Betteridge, KJ; Goff, AK; Marsan, C; Sirois, J | 1 |
| Itagaki, E | 1 |
| Hardy, A; Leloup-Hatey, J; Querat, B | 1 |
| Leitz, T; Reinboth, R | 1 |
| Koyle, MA; Lemmi, C; Rajfer, J; Sikka, SC | 1 |
| Granneman, JC; Lambert, JG; Schoonen, WG; van Oordt, PG; Viveen, WJ | 1 |
| Fortune, JE | 1 |
| Fujii, K; Katagiri, M; Suhara, K; Tani, T | 1 |
| Eik-Nes, KB; Hodge, LC; Tait, AD | 1 |
| Deam, S; Kelly, RW; Seamark, RF; Stone, BA | 1 |
| Densho, S; Genba, R; Komatsu, Y; Ohama, G; Yamamoto, E | 1 |
| Fortune, JE; Hansel, W | 1 |
| Bourne, AR; Licht, P | 1 |
| Brandt, ME; Covey, DF; Melner, MH; Puett, D; Zimniski, SJ | 1 |
| Forsberg, JG; Tenenbaum, A | 1 |
| Albrecht, ED; Jackson, JA | 1 |
| Ainsworth, L; Downey, BR; Marcus, GJ; Tsang, BK | 1 |
| Balin, H; Hontz, AC; LoSciuto, LA; Newton, RE | 1 |
| Bedrak, E; Samoiloff, V; Sod-Moriah, UA | 1 |
| O, R; Tamaoki, BI | 1 |
| Oh, R; Tamaoki, B | 1 |
| Andersen, RN; Givens, JR; Pittaway, DE | 1 |
| Jaffe, RB; Kawano, A; Payne, AH | 1 |
| Nozu, K; Tamaoki, B | 1 |
| Bell, JB; Lacy, D | 1 |
| Aronin, PA; Coffey, JC; French, FS; Nayfeh, SN | 1 |
| Katukawa, H; Nakamura, T; Tanabe, Y | 1 |
| de Bruijn, HW; van der Molen, HJ | 1 |
| Busacchi, P; Cecchi, M; Flamigni, C; Jasonni, VM; Melega, C | 1 |
| Kent, J | 1 |
| Davies, IJ; Ryan, KJ | 1 |
| Amoroso, EC; Heap, RB; Perry, JS | 1 |
| Coupey, S; Jull, JW; McClellan, D | 1 |
| Neville, AM; Richards, G | 2 |
| Shimizu, K; Yamasaki, H | 1 |
| Ruokonen, A; Vihko, R | 1 |
| Castañeda, E; Cordero, C; Iramain, CA; Lichtenberg, R; Perez, AE; Perez-Palacios, G; Rios, EP | 1 |
| de Longcamp, D; Drosdowsky, M; Lubet, P | 1 |
| Levine, LS; New, MI | 1 |
| Lofts, B; Phillips, JG; Tam, WH; Tsui, HW | 1 |
| Hipkin, LJ | 1 |
| Jungmann, RA; Nishida, S | 1 |
| Eechaute, W; Lacroix, E; Leusen, I | 1 |
| Begue, RJ; Goldman, AS; Gustafsson, JA | 1 |
| Hamilton, W | 1 |
| Bermúdez, JA; Herrera, J; Lisker, R; Morato, T; Pérez-Palacios, G; Ríos, EP; Rocha, G | 1 |
| Mackay, AM; Neville, AM; Pettigrew, N; Symington, T | 1 |
| McIntosh, JE; Moor, RM; Seamark, RF | 1 |
| Jungmann, RA; Nishida, S; Schweppe, JS | 1 |
| Kuwahara, SS; Shapiro, DR | 1 |
| Iglesias, R; Irusta, O; Van Houtte, I; Wassermann, GF | 1 |
| Nishida, S | 1 |
| Gower, DB | 1 |
| Nakamura, T; Tanabe, Y | 1 |
| Carballeira, A; Cheng, SC; Fishman, LM | 1 |
| Callard, IP; Chan, SW | 1 |
| Mehdi, AZ; Sandor, T | 1 |
| Carballeira, A; Durnhofer, F; Fishman, LM | 1 |
| Belvedere, P; Colombo, L; Daniels, E; Yaron, Z | 1 |
| Heftmann, E | 1 |
| Zurbrügg, RP | 1 |
| Hrycay, EC; Kan, G; O'Brein, PJ; Van Lier, JE | 1 |
| Jeffries, CD; Wilkins, J | 1 |
| Vinson, GP; Whitehouse, BJ | 1 |
| Weiss, M | 1 |
| Matsumoto, K; Nishizuka, Y; Sakakura, T; Tsujimura, T | 1 |
| Bedrak, E; Samoiloff, V; Schachak, M | 1 |
| Chui, DH; Younglai, EV | 1 |
| Ficher, M; Root, A; Smith, KD; Steinberger, E | 1 |
| Galli, FE; Irusta, O; Wassermann, GF | 1 |
| Juillard, MT; Malassiné, A | 1 |
| YoungLai, EV | 1 |
| Collins, P; Fyson, P; Lacy, D; Pettitt, AJ; Tsang, WN | 1 |
| Cook, B; Graber, JW; Nalbandov, AV; Sutterlin, NS | 1 |
| Gower, DB; Lessof, MH; Lyne, C | 1 |
| Dziadkowiec, I; Rembiesa, R | 1 |
| Kraiem, Z; Samuels, LT | 1 |
| Apter, D; Perheentupa, J; Voutilainen, R | 1 |
| Bedrak, E; Friedlander, M; Kafka, M; Rosenstrauch, A | 1 |
| Flint, AP; Green, SW; Heap, RB; Renfree, MB | 1 |
| Nishikawa, T; Strott, CA | 1 |
| Deppe, WM; Joubert, SM; Marivate, M; Norman, RJ | 1 |
| Spona, J; Zeillinger, R | 1 |
| Corda, R; Faedda, A; Fanni, V; Loche, S; Nurchi, AM; Pintor, C | 1 |
| Bhatia, K; Mead, RA; Ravindra, R | 1 |
| Antila, E; Leikola, A; Tähkä, S | 1 |
| Makris, A; Olsen, D; Ryan, KJ | 1 |
| Gibson, M; Lackritz, R; Schiff, I; Tulchinsky, D | 1 |
| Barbieri, R; Fencl, MD; Schiff, I; Stillman, RJ; Tulchinsky, D | 1 |
| de Peretti, E; Forest, MG; Lecornu, M | 1 |
| Deslypere, JP; Rubens, R; Schelfhout, W; Verdonck, L; Vermeulen, A | 1 |
| Hsueh, AJ; Jones, PB | 1 |
| Hornsby, PJ | 1 |
| D'Ambrogio, G; Facchini, V; Genazzani, AR; Inaudi, P; Massafra, C | 1 |
| Challis, JR; Grimshaw, RN; Mitchell, BF | 1 |
| Bell, RD; Cicero, TJ | 1 |
| Ekholm, C; Hedin, L; Hillensjö, T | 1 |
| Leymarie, P; Rashed, F; Silberzahn, P; Zwain, I | 1 |
| Tapanainen, J | 1 |
| Fujita, T; Yoshimoto, S | 1 |
| Huhtaniemi, I; Koivisto, M; Kujansuu, E; Tapanainen, J; Tuimala, R; Vihko, R | 1 |
| Hammond, GL; Kontturi, M; Lukkarinen, O; Vihko, R | 1 |
| Kawakura, K; Matsukura, S; Mori, M; Tamaoki, B | 1 |
| Antila, E; Wartiovaara, J | 1 |
| Deshpande, N; Di Martino, L; Mitchell, I; Tarquini, A | 1 |
| Huhtaniemi, I; Kellokumpu-Lehtinen, P; Pelliniemi, L; Tapanainen, J | 1 |
| Burton, RD; Heap, RB; Renfree, MB | 1 |
| Johnson, DW; Phillipou, G; Seamark, RF | 1 |
| Hall, PF; Nakajin, S | 1 |
| Gower, DB; Harrison, FA; Hurden, EL | 1 |
| Eriksson, CJ; Härkönen, M; Leinonen, P; Widenius, TV; Ylikahri, RH | 1 |
| Krause, W; Wichmann, G; Wichmann, U | 1 |
| Javitt, NB; Silavin, SL; Strauss, JF | 1 |
| Kinoshita, K; Nakabayashi, M; Okai, T; Sato, K; Tsutsumi, O | 1 |
| Ackermann, W; Rühle, HJ; Seiler, K; Seiler, R | 1 |
| Greenwald, GS; Silavin, SL | 1 |
| Bell, JB; Bhatt, K; Hyatt, PJ; Tait, JF | 1 |
| Mori, T; Nihnobu, K; Onho, Y; Takeuchi, S; Tojo, S | 1 |
| Blomquist, CH; Hakanson, EY; Kotts, CE | 1 |
| de la Torre, B; Diczfalusy, E; Hedman, M; Norén, S; Ritzén, M | 1 |
| Lisse, K; Schürenkämper, P | 1 |
| Browning, JY; Grotjan, HE; Kessler, MJ; Tcholakian, RK | 1 |
| Huhtaniemi, I; Martikainen, H; Vihko, R | 1 |
| Givner, ML; Jagarinec, N | 1 |
| Larsson, K; Sachs, M; Wagner, WC | 1 |
| Evans, G; Wagner, WC | 1 |
| Biggers, JD; Smith, DM; Tyler, JP | 1 |
| Gustafsson, JA; Ingelman-Sundberg, M; Nilsen, OG; Toftgård, R | 1 |
| Bamberg, E; Choi, HS; Hassaan, N; Möstl, E; Stöckl, W | 1 |
| Check, WA | 1 |
| Bélanger, A; Caron, S; Picard, V | 1 |
| Hammond, GL; Leinonen, P; Vihko, R | 1 |
| Badger, TM; Bell, RD; Cicero, TJ | 1 |
| Smith, DM; Tenney, DY | 1 |
| Ayuso, S; Campo, S; Chemes, H; Nagle, C; Rey, R | 1 |
| Alvarez-Fernández, G; González del Pliego, M; Juárez-Oropeza, MA; Méndez-Herrera, MC; Pedernera, E; Velázquez, P | 1 |
| Caamano, L; Lamb, SV; Matamoros, RA; Reimers, TJ | 1 |
| Kagawa, N; Katagiri, M; Waterman, MR | 1 |
| Baulieu, EE; Eychenne, B; Gouézou, M; Le Goascogne, C; Robel, P; Sananès, N | 1 |
| Ahn, RS; Kwon, HB | 1 |
| Risbridger, GP; Sun, XR | 1 |
| Ahn, RS; Bai, DG; Ko, SK; Kwon, HB; Yoon, YD | 1 |
| Goff, AK; Leduc, S; Poitras, P; Vaillancourt, D | 1 |
| Ahn, RS; Im, WB; Kim, K; Kwon, HB; Lee, CC; Lee, WK | 1 |
| Acosta, CK; Kim, HK; Rao, PN | 1 |
| Asagami, C; Furumoto, H; Muto, M; Ohmura, A | 1 |
| Arnold, AP; Schlinger, BA; Vanson, A | 1 |
| Juárez-Oropeza, MA; Pedernera, E; Rodríguez-Maldonado, E; Velázquez, PN | 1 |
| Madyastha, KM | 1 |
| Ichikawa, Y; Ohnishi, T | 1 |
| Almeida, FH; Guimarães, MA; Lunardi, LO; Prajiante, TM; Rosa e Silva, AA | 1 |
| Bélanger, A; Candas, B; Cusan, L; Gomez, JL; Labrie, F | 1 |
| Colás, B; López-Ruiz, MP; Marinero, MJ; Oliva, JL; Penalva, V; Prieto, JC | 1 |
| Bosc, MJ; Nicolle, A | 1 |
| Gómez, Y; Juárez-Oropeza, MA; Pedernera, E; Velázquez, PN | 1 |
| Canosa, LF; Ceballos, NR; Pozzi, AG | 1 |
| Chedrese, PJ; Crellin, NK; Flood, PF; Gillio-Meina, C; Rodway, MR; Swan, CL | 1 |
| Ichimiya, M | 1 |
| Conte, D; di Luigi, L; Fillo, S; Franceschi, F; Guidetti, L; Isidori, A; Latini, M; Romanelli, F | 1 |
| Kołek, T | 1 |
| Andric, SA; Kostic, TS; Kovacevic, RZ; Stojilkovic, SS | 1 |
| Azziz, R; Boots, LR; Decanter, C; Dewailly, D; Huerta, R; Knochenhauer, ES | 1 |
| Gomez, Y; Larralde, C; Romano, MC; Valdez, RA | 1 |
| Bhattachryya, SP; Debnath, S; Mukherjee, D | 1 |
| Gómez, Y; Juárez-Oropeza, MA; Méndez, MC; Pedernera, E; Peralta-Delgado, I; Velázquez, PN; Vilchis, F | 1 |
| Cánepa, DF; Cigorraga, SB; Meroni, SB; Pellizzari, EH | 1 |
| Benahmed, M; Besset, V; Dacheux, F; Gasnier, F; Goddard, I; Mauduit, C; Rey, C; Tabone, E | 1 |
| Hamamoto, Y; Ichimiya, M; Muto, M; Nagai, K; Yokoyama, K | 1 |
| Belvedere, P; Carnevali, O; Colombo, L; Dalla Valle, L; Vianello, S | 1 |
| Beamish, FW; Kime, DE; Leatherland, JF; Lowartz, S; Petkam, R; Raeside, J; Renaud, R | 1 |
| Dorner, M; Falk, W; Schölmerich, J; Straub, RH; Vogl, D | 1 |
| ACEVEDO, HF; AXELROD, LR; ISHIKAWA, E; TAKAKI, F | 1 |
| Lin, CS; Lu, CC; Tsai, SC; Wang, PS | 1 |
| Fujimoto, S; Nomura, E; Sugawara, T | 1 |
| Azziz, R; Boots, LS; Moran, C; Reyna, R | 1 |
| Goldstein, I; Guay, A; Jacobson, J; Munarriz, R; Quirk, F; Spark, R; Talakoub, L; Traish, A | 1 |
| Beamish, FW; Leatherland, JF; Lowartz, SM; Renaud, RL | 1 |
| Bernardi, F; Casarosa, E; Genazzani, AR; Liut, M; Lombardi, I; Luisi, S; Monteleone, P; Palumbo, M; Petraglia, F; Quirici, B | 1 |
| Higashi, T; Shimada, K; Takayama, N | 1 |
| Chang, P; Holcomb, K; Leonardi, O; Park, A; Poretsky, L; Rosenwaks, Z; Salehi, M; Seto-Young, D; Yih, M | 1 |
| Bloch, E; Kostellow, A; Morrill, GA; Schatz, F | 1 |
| Makawiti, DW; Odongo, H; Oduma, JA; Oduor Okelo, D | 1 |
| Bunker, AM; Kushnir, MM; Meikle, AW; Owen, WE; Pattison, EG; Phanslkar, AR; Roberts, WL; Rockwood, AL; Sandrock, T; Terry, AH | 1 |
| Kołek, T; Swizdor, A; Szpineter, A | 2 |
| Dacou-Voutetakis, A; Dracopoulou, M; Magnisali, P; Mataragas, M; Moutsatsou, P | 1 |
| Budzinski, H; Dévier, MH; Labadie, P; Togola, A | 1 |
| de Jong, FH; Dits, NF; Hofland, J; Jenster, G; Schröder, FH; Steenbergen, J; van Leenders, GJ; van Weerden, WM | 1 |
| Balashov, AM | 1 |
| Balk, SP; Bubley, GJ; Cai, C; Chen, S; Marck, B; Matsumoto, AM; Mostaghel, EA; Nelson, PS; Ng, P; Simon, NI; Wang, H | 1 |
| Conley, AJ; Lee, RS; Nguyen, PT; Sneyd, J; Soboleva, TK | 1 |
| Akingbemi, BT; Chu, Y; Ge, RS; Hu, GX; Li, XW; Lian, QQ; Su, Y; Yuan, K; Zhao, B | 1 |
| Collares, CA; Montrezor, LH; Piccinato, CA; Rosa e Silva, AA; Vireque, AA | 1 |
| Chen, HL; Du, JJ; Li, YC | 1 |
| Bingsohn, L; Dezhkam, Y; Failing, K; Galuska, CE; Hartmann, MF; Hoffmann, B; Sánchez-Guijo, A; Schuler, G; Wudy, SA | 1 |
| Bernhardt, R; Gerber, A; Hannemann, F; Mosa, A; Neunzig, J; Pilak, P; Zapp, J | 1 |
| Bergquist, J; Hreinsson, J; Kushnir, MM; Meikle, AW; Naessén, T; Rockwood, AL; Wanggren, K | 1 |
| Auchus, RJ; Avila, NA; Elman, MS; Mallappa, A; Marko, J; Merke, DP; Rao, H; Tsodikov, A; Turcu, AF | 1 |
| Alonso-Diez, A; Caceres, S; de Andres, PJ; Illera, JC; Illera, MJ; Monsalve, B; Peña, L; Reuben, JM; Silvan, G; Woodward, WA | 1 |
| Barr, BS; Burns, TA; David, B; Dembek, KA; Hart, KA; Johnson, LM; Timko, KJ; Toribio, RE | 1 |
| Ball, BA; Conley, AJ; Corbin, CJ; Legacki, EL; Loux, SC; Scoggin, KE; Stanley, SD | 1 |
| Awadhiya, P; Banerjee, T; Patil, S | 1 |
| Alfaidy, N; Berkane, N; Cambourg, A; Chabbert-Buffet, N; Galichon, P; Hertig, A; Lefevre, G; Liere, P; Nahed, RA; Oudinet, JP; Pianos, A; Rousseau, A; Rozenberg, P; Schumacher, M; Simon, T; Vincent, J | 1 |
| Cao, B; Gong, C; Li, W; Liang, X; Liu, M; Meng, X; Qin, M; Su, C; Wei, L; Wu, D | 1 |
| Blokland, M; Costermans, NGJ; Keijer, J; Kemp, B; Soede, NM; Teerds, KJ; van Tricht, F | 1 |
| Denisov, IG; Gregory, MC; Grinkova, Y; Kincaid, JR; Liu, Y; Sligar, SG | 1 |
| Bongrani, A; Dupont, J; Froment, P; Guerif, F; Mellouk, N; Plotton, I; Ramé, C | 1 |
| Akıncı, E; Bal, C; Erel, Ö; Eser, F; Güner, R; Hasanoglu, İ; Kalem, AK; Kayaaslan, B; Sezer, S; Yılmaz, G | 1 |
| Babayev, E; Duncan, FE; Shea, LD; Woodruff, TK; Xu, M | 1 |
| Appenzeller, BMR; Palazzi, P; Peng, FJ; Viguié, C | 1 |
10 review(s) available for pregnenolone and androstenedione
| Article | Year |
|---|---|
Placental steroid hormones.
Topics: Androstenedione; Cholesterol; Estrogens; Female; Gene Expression Regulation, Enzymologic; Humans; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids | 1990 |
Pharmacophysiologic and clinical aspects of oral contraceptives.
Topics: Androgens; Androstenedione; Chlormadinone Acetate; Contraceptives, Oral; Estradiol; Estrogens; Estrone; Ethinyl Estradiol; Female; Follicle Stimulating Hormone; Genitalia, Female; Humans; Luteinizing Hormone; Pregnenolone; Progestins; Proteins; Testosterone; Time Factors | 1973 |
Congenital adrenal hyperplasia.
Topics: Adrenal Gland Diseases; Adrenal Glands; Androstenedione; Body Height; Dehydroepiandrosterone; Diagnosis, Differential; Estradiol; Female; Fetus; Genitalia, Female; Genitalia, Male; Humans; Hyperplasia; Male; Pregnancy; Pregnenolone; Progesterone; Steroid Hydroxylases; Testosterone | 1973 |
Modifiers of steroid-hormone metabolism: a review of their chemistry, biochemistry and clinical applications.
Topics: Adrenal Cortex; Adrenocorticotropic Hormone; Aminoglutethimide; Androgens; Androstenedione; Animals; Cholesterol; Dexamethasone; Estrogens; Estrone; Glutethimide; Hormones; Humans; Hydrocortisone; Methane; Metyrapone; Microscopy, Electron; Pharmacology; Phenols; Pregnenolone; Pyridines; Steroid Hydroxylases; Steroids; Time Factors | 1974 |
Recent progress in the biochemistry of plant steroids other than sterols (saponins, glycoalkaloids, pregnane derivatives, cardiac glycosides, and sex hormones).
Topics: Alkaloids; Androstenedione; Cardiac Glycosides; Digitoxin; Estradiol; Estrone; Gonadal Steroid Hormones; Plants; Pregnanediones; Pregnanes; Pregnenolone; Progesterone; Saponins; Species Specificity; Steroids; Strophanthidin; Testosterone | 1974 |
Inborn errors in testosterone biosynthesis with special reference to 17-oxosteroid reductase deficiency (1-6).
Topics: Adolescent; Androgens; Androstenedione; Child; Child, Preschool; Diagnosis, Differential; Disorders of Sex Development; Female; Humans; Isomerases; Karyotyping; Lyases; Male; Metabolism, Inborn Errors; Oxidoreductases; Pedigree; Phenotype; Pregnenolone; Sex Chromosome Aberrations; Sex Differentiation; Testosterone | 1974 |
Deuterium labelled steroid hormones: syntheses and application in quantitation and endocrinology.
Topics: Androstenedione; Chemical Phenomena; Chemistry; Dehydroepiandrosterone; Deuterium; Estradiol; Estriol; Estrogens; Estrone; Ethinyl Estradiol; Female; Gas Chromatography-Mass Spectrometry; Glucuronates; Gonadal Steroid Hormones; Humans; Hydroxytestosterones; Isotope Labeling; Male; Pregnancy; Pregnanediones; Pregnenolone; Progesterone; Progestins; Testosterone | 1981 |
Novel microbial transformations of steroids.
Topics: Androstenedione; Biotransformation; Dehydroepiandrosterone; Estrone; Moraxella; Mucor; Pregnenolone; Progesterone; Steroids | 1996 |
[Neurosteroids and addictive pathology].
Topics: Adrenal Cortex Hormones; Androstenedione; Behavior, Addictive; Dehydroepiandrosterone Sulfate; Desoxycorticosterone; Humans; Narcotics; Pregnenolone; Substance-Related Disorders | 2010 |
[Advances in the study of steroidal inhibitors of cytochrome P45017alpha].
Topics: Androstenedione; Androstenes; Androstenols; Animals; Antineoplastic Agents; Dehydroepiandrosterone; Dihydrotestosterone; Enzyme Inhibitors; Humans; Male; Molecular Structure; Pregnenolone; Progesterone; Prostatic Neoplasms; Steroid 17-alpha-Hydroxylase; Testosterone | 2013 |
2 trial(s) available for pregnenolone and androstenedione
| Article | Year |
|---|---|
Aspirin inhibits androgen response to chorionic gonadotropin in humans.
Topics: Administration, Oral; Adult; Androgens; Androstenedione; Aspirin; Chorionic Gonadotropin; Cyclooxygenase Inhibitors; Dehydroepiandrosterone; Dinoprostone; Estradiol; Humans; Male; Pregnenolone; Progesterone; Single-Blind Method; Testis; Testosterone | 1999 |
Adrenocortical hyperresponsiveness to corticotropin in polycystic ovary syndrome patients with adrenal androgen excess.
Topics: 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Adrenal Cortex; Adrenocorticotropic Hormone; Adult; Androstenedione; Case-Control Studies; Cross-Sectional Studies; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Humans; Hyperandrogenism; Polycystic Ovary Syndrome; Pregnenolone; Progesterone; Prospective Studies; Steroid 17-alpha-Hydroxylase; Testosterone | 2004 |
363 other study(ies) available for pregnenolone and androstenedione
| Article | Year |
|---|---|
Quantitative relationships between steroid structure and binding to putative progesterone receptors.
Topics: Androstenes; Animals; Guinea Pigs; Humans; Hydroxyprogesterones; Protein Binding; Rabbits; Receptors, Progesterone; Sheep; Steroids; Structure-Activity Relationship | 1977 |
Compass: predicting biological activities from molecular surface properties. Performance comparisons on a steroid benchmark.
Topics: Algorithms; Models, Molecular; Models, Statistical; Molecular Conformation; Sex Hormone-Binding Globulin; Steroids; Structure-Activity Relationship; Surface Properties; Transcortin | 1994 |
QSAR's from similarity matrices. Technique validation and application in the comparison of different similarity evaluation methods.
Topics: Carbolines; Chemical Phenomena; Chemistry, Physical; Electrochemistry; Imidazoles; Indoles; Molecular Structure; Pyridines; Structure-Activity Relationship | 1993 |
Structure-activity relationships from molecular similarity matrices.
Topics: Computer Simulation; Electrochemistry; Models, Molecular; Molecular Structure; Neural Networks, Computer; Sex Hormone-Binding Globulin; Steroids; Structure-Activity Relationship; Transcortin | 1993 |
Comparative molecular moment analysis (CoMMA): 3D-QSAR without molecular superposition.
Topics: Adrenal Cortex Hormones; Binding Sites; Mathematics; Models, Molecular; Molecular Conformation; Molecular Structure; Molecular Weight; Predictive Value of Tests; Steroids; Structure-Activity Relationship; Testosterone | 1996 |
Validation of EGSITE2, a mixed integer program for deducing objective site models for experimental binding data.
Topics: Algorithms; Animals; Binding Sites; Computer Simulation; Folic Acid Antagonists; Models, Molecular; Peptidyl-Dipeptidase A; Protein Binding; Receptors, Cell Surface; Sex Hormone-Binding Globulin; Steroids; Testosterone; Tetrahydrofolate Dehydrogenase; Transcortin | 1997 |
Three-dimensional quantitative structure-activity relationships from molecular similarity matrices and genetic neural networks. 1. Method and validations.
Topics: Algorithms; Models, Chemical; Molecular Structure; Neural Networks, Computer; Protein Binding; Static Electricity; Steroids; Structure-Activity Relationship; Transcortin | 1997 |
Three-dimensional quantitative similarity-activity relationships (3D QSiAR) from SEAL similarity matrices.
Topics: Drug Design; Least-Squares Analysis; Molecular Conformation; Steroids; Structure-Activity Relationship; Transcortin | 1998 |
GRid-INdependent descriptors (GRIND): a novel class of alignment-independent three-dimensional molecular descriptors.
Topics: Butyrophenones; Enzyme Inhibitors; Glucose; Models, Molecular; Phosphorylases; Protein Binding; Receptor, Serotonin, 5-HT2A; Receptors, Serotonin; Software; Steroids; Transcortin | 2000 |
Mapping property distributions of molecular surfaces: algorithm and evaluation of a novel 3D quantitative structure-activity relationship technique.
Topics: Acetates; Alcohols; Algorithms; Cholinergic Agents; Hydrocarbons, Acyclic; Hydrocarbons, Aromatic; Ketones; Models, Molecular; Protein Binding; Quantitative Structure-Activity Relationship; Receptor, Muscarinic M2; Receptors, Muscarinic; Steroids; Transcortin | 2003 |
Molecular determinants of steroid inhibition for the mouse constitutive androstane receptor.
Topics: Animals; Cell Line; Constitutive Androstane Receptor; Histone Acetyltransferases; Humans; Mice; Models, Molecular; Mutation; Nuclear Proteins; Nuclear Receptor Co-Repressor 1; Nuclear Receptor Coactivator 1; Protein Structure, Secondary; Quantitative Structure-Activity Relationship; Receptors, Cytoplasmic and Nuclear; Recombinant Fusion Proteins; Repressor Proteins; Steroids; Transcription Factors; Two-Hybrid System Techniques; Yeasts | 2003 |
Comparative molecular active site analysis (CoMASA). 1. An approach to rapid evaluation of 3D QSAR.
Topics: Binding Sites; Cluster Analysis; Cyclooxygenase 2; Cyclooxygenase 2 Inhibitors; Cyclooxygenase Inhibitors; Isoenzymes; Models, Molecular; Prostaglandin-Endoperoxide Synthases; Quantitative Structure-Activity Relationship; Steroids | 2004 |
A ligand-based approach to identify quantitative structure-activity relationships for the androgen receptor.
Topics: Anilides; Heterocyclic Compounds, 3-Ring; Ligands; Models, Molecular; Molecular Conformation; Molecular Structure; Nitriles; Quantitative Structure-Activity Relationship; Quinolines; Receptors, Androgen; Static Electricity; Steroids; Tosyl Compounds | 2004 |
An updated steroid benchmark set and its application in the discovery of novel nanomolar ligands of sex hormone-binding globulin.
Topics: Binding Sites; Binding, Competitive; Computer Simulation; Databases as Topic; Humans; Ligands; Linear Models; Models, Molecular; Predictive Value of Tests; Protein Binding; Quantitative Structure-Activity Relationship; Reproducibility of Results; Sex Hormone-Binding Globulin; Steroids | 2008 |
Distribution of steroids, steroid production and steroid metabolizing enzymes in rat testis.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Age Factors; Androstane-3,17-diol; Androstenedione; Animals; Cell Fractionation; Dihydrotestosterone; gamma-Glutamyltransferase; Glucuronidase; Hormones; Hydroxysteroid Dehydrogenases; Male; Mitochondria; Pregnenolone; Rats; Seminiferous Tubules; Spermatogenesis; Testis; Testosterone | 1975 |
In vitro testosterone synthesis by testicular tissue of old mouse: the metabolism of 3beta-hydroxy-5-ene steroids.
Topics: 17-alpha-Hydroxypregnenolone; Aging; Androgens; Androstenediols; Androstenedione; Animals; Dehydroepiandrosterone; Hydroxyprogesterones; Male; Mice; Mice, Inbred C57BL; NADP; Pregnenolone; Progesterone; Testis; Testosterone | 1977 |
In vitro effect of some naturally secreted hormones on tyrosine hydroxylase activity of beef adrenal medulla.
Topics: Adrenal Medulla; Androstenedione; Animals; Cattle; Estradiol; Hormones; In Vitro Techniques; Pregnenolone; Progesterone; Testosterone; Thyroxine; Tyrosine 3-Monooxygenase | 1977 |
In vitro and in vivo studies on Leydig cell function in old rats.
Topics: Age Factors; Androstenedione; Animals; Bucladesine; Cell Count; Chorionic Gonadotropin; Hydroxyprogesterones; Leydig Cells; Luteinizing Hormone; Male; NADP; Organ Size; Pregnenolone; Progesterone; Rats; Receptors, Cell Surface; Testis; Testosterone | 1978 |
Alterations in steroidogenesis and human chorionic gonadotropin binding in the cryptorchid rat testis.
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Cryptorchidism; Estradiol; Follicle Stimulating Hormone; Luteinizing Hormone; Male; Organ Size; Pregnenolone; Rats; Testis; Testosterone | 1979 |
Action of androgenic steroids on brain neurotransmitters in rats.
Topics: Androgens; Androstenedione; Animals; Brain Chemistry; Dihydrotestosterone; Male; Nandrolone; Neurotransmitter Agents; Pregnenolone; Rats; Testosterone | 1979 |
Serum steroids in normal males and patients with prostatic diseases.
Topics: Adult; Aged; Aging; Androstenedione; Androsterone; Dihydrotestosterone; Estradiol; Humans; Hydroxyprogesterones; Male; Middle Aged; Pregnenolone; Progesterone; Prostatic Hyperplasia; Prostatic Neoplasms; Reference Values; Steroids; Testosterone | 1978 |
Androgen biosynthesis in vitro by testes from amphibia.
Topics: Androgens; Androstane-3,17-diol; Androstenedione; Animals; Anura; Bufo marinus; Dihydrotestosterone; Male; Pregnenolone; Progesterone; Rana catesbeiana; Rana esculenta; Ranidae; Testis; Testosterone | 1978 |
Testicular steroidogenesis in the rhesus monkey (Macaca mulatta.
Topics: Androstenedione; Animals; Haplorhini; Hydroxyprogesterones; In Vitro Techniques; Macaca; Macaca mulatta; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1979 |
Androgen formation from pregnenolone sulfate by fetal, neonatal, prepubertal and adult human testes.
Topics: Adult; Age Factors; Androstenedione; Carbon Radioisotopes; Child; Dehydroepiandrosterone; Fetus; Humans; Infant; Infant, Newborn; Male; Middle Aged; Pregnenolone; Testis; Testosterone; Tritium | 1975 |
Evidence for the existence of a single 3 beta-hydroxysteroid dehydrogenase/delta-5,4-3-oxosteroid isomerase complex in the human adrenal gland.
Topics: Adrenal Glands; Androstenedione; Dehydroepiandrosterone; Humans; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Isomerases; Kinetics; Multienzyme Complexes; Pregnenolone; Progesterone | 1975 |
Alternative pathways of steroid biosynthesis in gonads and hepatopancreas of Aplysia depilans.
Topics: Androstenedione; Animals; Cholesterol; Dehydroepiandrosterone; Desmosterol; Digestive System; Gonads; Hydrocortisone; Hydroxyprogesterones; Mevalonic Acid; Mollusca; Organ Specificity; Pregnenolone; Progesterone; Steroids; Testosterone | 1975 |
Metabolic clearance rate, production rate and mammary uptake of progesterone in the goat.
Topics: Androstenedione; Animals; Blood Flow Velocity; Dehydroepiandrosterone; Estradiol; Estrone; Estrus; Female; Goats; Hydrocortisone; In Vitro Techniques; Kinetics; Lymph; Mammary Glands, Animal; Metabolic Clearance Rate; Milk; Pregnancy; Pregnenolone; Progesterone | 1975 |
Indices of gonadal function in the human male. I. Plasma levels of unconjugated steroids and gonadotrophins under normal and pathological conditions.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Humans; Infertility, Male; Luteinizing Hormone; Male; Middle Aged; Oligospermia; Pregnenolone; Progesterone; Radioimmunoassay; Spermatozoa; Testosterone | 1975 |
Indices of gonadal function in the human male. II. Seminal plasma levels of steroids in normal and pathological conditions.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Gonadal Steroid Hormones; Humans; Hydrolysis; Infertility, Male; Male; Middle Aged; Oligospermia; Pregnenolone; Radioimmunoassay; Semen; Testosterone | 1975 |
Concentration of unconjugated adrenogenic hormones and their precursors in normal and polycystic ovaries.
Topics: 17-Ketosteroids; Adolescent; Adult; Androgens; Androstenedione; Chromatography, Gas; Dehydroepiandrosterone; Female; Hirsutism; Humans; Hydroxysteroid Dehydrogenases; Middle Aged; Ovarian Diseases; Ovary; Polycystic Ovary Syndrome; Pregnenolone; Progesterone; Testosterone | 1975 |
Steroid entry into rete testis fluid and the blood-testis barrier.
Topics: Androgens; Androstenedione; Animals; Blood-Testis Barrier; Cholesterol; Dehydroepiandrosterone; Estrogens; Hormones; Male; Pregnenes; Pregnenolone; Progesterone; Rats; Rete Testis; Sheep; Testis; Testosterone | 1975 |
Studies of in vitro steroid metabolism by testis tissue from 'complete' and 'incomplete' forms of testicular feminization.
Topics: 17-alpha-Hydroxypregnenolone; Adolescent; Adult; Androgen-Insensitivity Syndrome; Androstane-3,17-diol; Androstenediols; Androstenedione; Dehydroepiandrosterone; Humans; Hydroxyprogesterones; In Vitro Techniques; Kinetics; Male; Pregnanolone; Pregnenolone; Progesterone; Testis; Testosterone | 1975 |
Steroid metabolism of foetal tissues. I. Metabolism of pregnenolone-4-14C by human foetal ovaries.
Topics: 17-alpha-Hydroxypregnenolone; Age Factors; Androstenedione; Dehydroepiandrosterone; Estradiol; Estrone; Female; Fetus; Humans; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Male; Ovarian Cysts; Ovary; Pituitary Gland; Pregnenolone; Progesterone; Testis; Testosterone | 1975 |
Hormonal imbalance in breast cancer.
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Androgens; Androstenedione; Breast Neoplasms; Cholesterol; Dehydroepiandrosterone; Female; Humans; Hydroxysteroid Dehydrogenases; Lyases; Neoplasm Metastasis; Pregnenolone; Progesterone; Steroid Isomerases | 1975 |
Peripheral steroid levels in a patient with virilizing adrenal adenoma.
Topics: 17-alpha-Hydroxypregnenolone; Adenoma; Adrenal Gland Neoplasms; Adult; Androstenedione; Dehydroepiandrosterone; Dexamethasone; Dihydrotestosterone; Estradiol; Estrone; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnenolone; Progesterone; Steroids; Testosterone; Virilism | 1975 |
In vitro steroid metabolic studies in testicular 17 beta-reduction deficiency.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Disorders of Sex Development; Estradiol; Estrone; Humans; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Isomerases; Male; Oxidation-Reduction; Pregnenolone; Testis; Testosterone | 1975 |
Studies on the pattern of circulating steroids in the normal menstrual cycle. I. Simultaneous assays of progesterone, pregnenolone, dehydroepiandrosterone, testosterone, dihydrotestosterone, androstenedione, oestradiol and oestrone.
Topics: Adult; Androstanes; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrenes; Estrone; Female; Humans; Luteinizing Hormone; Menstruation; Pregnenes; Pregnenolone; Progesterone; Testosterone; Time Factors | 1976 |
Pathways of testosterone synthesis in decapsulated testes of mice.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Cholesterol; Chorionic Gonadotropin; Dehydroepiandrosterone; Hydroxyprogesterones; Lanosterol; Leydig Cells; Male; Mice; Pregnenolone; Progesterone; Squalene; Stimulation, Chemical; Testis; Testosterone | 1976 |
In vitro steroidogenesis in porcine corpora lutea.
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Corpus Luteum; Dehydroepiandrosterone; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Hydroxyprogesterones; In Vitro Techniques; Pregnenolone; Progesterone; Progestins; Swine; Testosterone | 1976 |
Hormonal changes during the menstrual cycle of the baboon (Papio hamadryas).
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Adrenal Cortex Hormones; Androgens; Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrogens; Estrone; Female; Haplorhini; Humans; Hydroxyprogesterones; Menstruation; Papio; Pregnenolone; Progesterone; Progestins; Species Specificity; Testosterone | 1976 |
Plasma levels of unconjugated steroids in male baboons (Papio hamadryas) and rhesus monkeys (Macaca mulatta).
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Gonadal Steroid Hormones; Haplorhini; Humans; Hydroxyprogesterones; Macaca; Macaca mulatta; Male; Middle Aged; Papio; Pregnenolone; Radioimmunoassay; Species Specificity; Testosterone | 1976 |
Ovarian and adrenal contributions to peripheral steroid levels in postmenopausal women.
Topics: Adrenal Cortex Hormones; Aged; Androgens; Androstenediols; Androstenedione; Dehydroepiandrosterone; Dexamethasone; Estradiol; Estrogens; Estrone; Female; Humans; Hydrocortisone; Menopause; Middle Aged; Pregnenolone; Progesterone; Testosterone | 1976 |
Endocrine effects of vasectomy.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Humans; Luteinizing Hormone; Male; Middle Aged; Pregnenolone; Semen; Testosterone; Time Factors; Vasectomy | 1976 |
Steroid interconversions by metastatic deposits of a human bronchogenic carcinoma.
Topics: Adrenal Cortex Hormones; Aged; Androstane-3,17-diol; Androstenediol; Androstenedione; Carcinoma, Bronchogenic; Dehydroepiandrosterone; Dihydrotestosterone; Humans; In Vitro Techniques; Lung Neoplasms; Lymphatic Metastasis; Male; Neck; Pregnenolone; Progesterone; Testosterone | 1976 |
Biogenesis of steroid hormones by human mammary gland in vivo and in vitro.
Topics: Androstenedione; Breast Neoplasms; Cyanoketone; Dehydroepiandrosterone; Female; Humans; In Vitro Techniques; Pregnenolone; Progesterone | 1976 |
Steroid biosynthesis by the ovary of the European eel, Anguilla anguilla L., at the silver stage.
Topics: 17-alpha-Hydroxypregnenolone; Androstanes; Androstenedione; Androsterone; Animals; Dehydroepiandrosterone; Eels; Female; Hydroxyprogesterones; Kinetics; Metyrapone; Ovary; Pregnenes; Pregnenolone; Progesterone; Testosterone | 1976 |
Endocrine effects of masturbation in men.
Topics: Adolescent; Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Hormones; Humans; Hydrocortisone; Luteinizing Hormone; Male; Masturbation; Pregnenolone; Psychology; Radioimmunoassay; Semen; Testosterone; Time Factors | 1976 |
Cyanoketone-induced inhibition of adrenal 3beta-hydroxy-delta5-steroid oxidoreductase activity in female and male rats in vitro.
Topics: Adrenal Glands; Androstenedione; Androstenols; Androsterone; Animals; Cyanoketone; Dehydroepiandrosterone; Female; Hydroxysteroid Dehydrogenases; Male; Pregnanediones; Pregnenolone; Progesterone; Rats; Sex Factors | 1976 |
Stimulation of adrogen biosynthesis in rat fetal testes in vitro by gonadotropins.
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Female; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Luteinizing Hormone; Male; Pregnancy; Pregnenolone; Progesterone; Rats; Testis; Testosterone | 1977 |
Steroid hormone formation in human ovarian follicles in vitro.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Chorionic Gonadotropin; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Ovary; Pregnenolone; Progesterone; Progestins; Testosterone | 1976 |
Endocrinology of the blastocyst and its role in the establishment of pregnancy.
Topics: Androstenedione; Animals; Blastocyst; Corpus Luteum; Dehydroepiandrosterone; Endometrium; Estradiol; Estradiol Dehydrogenases; Estrone; Extraembryonic Membranes; Female; Models, Biological; Myometrium; Pregnancy; Pregnenolone; Progesterone; Sulfatases; Swine; Temperature; Time Factors | 1976 |
Studies on the pattern of circulating steroids in the normal menstrual cycle. Circadian variation in theperi-ovulatory period.
Topics: 17-alpha-Hydroxypregnenolone; Adult; Androstenedione; Circadian Rhythm; Dehydroepiandrosterone; Dihydrotestosterone; Female; Humans; Menstruation; Pregnenolone; Reference Values; Testosterone | 1977 |
Changes in steroidogenesis by isolated rabbit ovarian follicles in vitro during the preovulatory interval with emphasis on active androgen production.
Topics: 20-alpha-Dihydroprogesterone; Acetates; Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Estradiol; Estrone; Female; Hydroxyprogesterones; In Vitro Techniques; Ovarian Follicle; Ovulation; Pregnenolone; Progesterone; Rabbits; Testosterone | 1977 |
Concentration of steroid hormones and androgen binding protein (ABP) in rabbit efferent duct fluid.
Topics: Androgens; Androstenedione; Animals; Carrier Proteins; Dehydroepiandrosterone; Dihydrotestosterone; Estrogens; Hormones; Ligation; Male; Pregnenolone; Progesterone; Semen; Testis; Testosterone | 1975 |
Studies on the reproductive cycle on the female cobra, Naja naja. II. In vitro ovarian steroid synthesis.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estriol; Estrone; Female; Follicle Stimulating Hormone; Kinetics; Luteinizing Hormone; Ovary; Pituitary Gland; Pregnenolone; Progesterone; Reproduction; Snakes; Steroids; Testosterone | 1977 |
Determination of seven unconjugated steroids in the blood and seminal plasma of the fertile male rabbit.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Gonadal Steroid Hormones; Male; Pregnenolone; Rabbits; Radioimmunoassay; Semen; Testosterone | 1977 |
Age dependence of testosterone precursors in plasma of normal adult males.
Topics: Adult; Age Factors; Aged; Androstenediol; Androstenedione; Castration; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Humans; Hydroxyprogesterones; Male; Middle Aged; Pregnenolone; Steroids; Testosterone | 1977 |
Species differences in steroidogenesis following the in vitro incubation of decapsulated testes.
Topics: 17-alpha-Hydroxypregnenolone; Acetates; Androstenedione; Animals; Cholesterol; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Gonadal Steroid Hormones; Guinea Pigs; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Rabbits; Rats; Species Specificity; Stimulation, Chemical; Testis; Testosterone | 1977 |
Ovarian steroidogenesis studied by mass fragmentography.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Estradiol; Estrone; Female; Gas Chromatography-Mass Spectrometry; Gonadal Steroid Hormones; Humans; Organ Culture Techniques; Ovary; Pregnenolone; Progesterone; Progestins; Sheep; Testosterone | 1977 |
Testicular steroidogenesis in the mature and immature baboon Papio anubis.
Topics: 20-alpha-Dihydroprogesterone; Androgens; Androstane-3,17-diol; Androstenedione; Animals; Dehydroepiandrosterone; Haplorhini; Hydroxyprogesterones; In Vitro Techniques; Male; Papio; Pregnenolone; Progesterone; Sexual Maturation; Testis; Testosterone | 1977 |
Substrate specificity for androgen biosynthesis in the primate testis.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Animals; Callitrichinae; Dehydroepiandrosterone; Haplorhini; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Substrate Specificity; Testis; Testosterone | 1978 |
Effect of oral contraceptives on plasma androgenic steroids and their precursors.
Topics: 17-alpha-Hydroxypregnenolone; Adolescent; Adult; Androstenedione; Contraceptives, Oral; Contraceptives, Oral, Synthetic; Dehydroepiandrosterone; Female; Humans; Pregnenolone | 1978 |
Androgen, estrogen, and progesterone by a lipid cell tumor of theovary.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Dehydroepiandrosterone; Estrogens; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Middle Aged; Ovarian Neoplasms; Ovary; Pregnenolone; Progestins; Testosterone; Veins; Virilism | 1978 |
The steroid profile of a virilizing ovarian tumor.
Topics: 17-alpha-Hydroxypregnenolone; Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Female; Granulosa Cell Tumor; Hormones; Humans; Hydroxyprogesterones; Leydig Cell Tumor; Neoplasms, Gonadal Tissue; Ovarian Neoplasms; Pregnenolone; Sertoli Cell Tumor; Testosterone; Virilism | 1978 |
Testicular steroidogenesis in the baboon Papio anubis.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Dehydroepiandrosterone; Haplorhini; Hydroxyprogesterones; In Vitro Techniques; Male; Papio; Pregnenolone; Progesterone; Testis; Testosterone | 1978 |
Biologically active luteinizing hormone (LH) in plasma. III. Validation of the in vitro bioassay when applied to male plasma and the possible role of steroidal precursors.
Topics: Adsorption; Androstenedione; Animals; Biological Assay; Charcoal; Dehydroepiandrosterone; Ether; Female; Humans; Luteinizing Hormone; Male; Mice; Pregnenolone; Testis; Testosterone | 1979 |
Steroids in the rete testis fluid of fertile male rabbits.
Topics: Androgens; Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Male; Pregnenolone; Rabbits; Rete Testis; Testis; Testosterone | 1979 |
Serum steroids and pituitary hormones in infants with particular reference to testicular activity.
Topics: Androgens; Androstenedione; Androsterone; Dehydroepiandrosterone; Dihydrotestosterone; Female; Gonadotropins, Pituitary; Humans; Infant; Male; Pregnenolone; Progesterone; Progestins; Testis; Testosterone | 1979 |
Radioimmunoassay of steroids produced by chick embryo gonads cultured in the presence of some exogenous steroid precursors.
Topics: Androstenedione; Animals; Chick Embryo; Dehydroepiandrosterone; Female; Hormones; Kinetics; Male; Organ Culture Techniques; Ovary; Pregnenolone; Radioimmunoassay; Sex Factors; Steroids; Testis | 1979 |
Steroid biosynthetic lesions in gonadotropin-desensitized Leydig cells.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Hydroxyprogesterones; Leydig Cells; Male; Pregnenolone; Progesterone; Rats; Steroids; Testosterone | 1979 |
Variations in serum androgens, estrogens, progestins, gonadotropins and prolactin levels in male rats from prepubertal to advanced age.
Topics: Aging; Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Luteinizing Hormone; Male; Pregnenolone; Progesterone; Prolactin; Rats; Testosterone | 1979 |
Metabolism of pregnenolone by human breast cancer. Evidence for 17 alpha-hydroxylase and 17,20-lyase.
Topics: 17-alpha-Hydroxypregnenolone; Aged; Aldehyde-Lyases; Androstenedione; Breast Neoplasms; Cytochrome P-450 Enzyme System; Dehydroepiandrosterone; Estradiol; Female; Humans; Hydroxyprogesterones; Menopause; Middle Aged; Pregnenolone; Progesterone; Receptors, Estrogen; Steroid 17-alpha-Hydroxylase; Steroid Hydroxylases | 1979 |
Microbial introduction of a 16 alpha-hydroxyl function into the steroid nucleus.
Topics: Androstenediol; Androstenedione; Aryl Hydrocarbon Hydroxylases; Dehydroepiandrosterone; Estrone; Hydroxylation; Hydroxysteroids; Pregnenolone; Steroid 16-alpha-Hydroxylase; Steroid Hydroxylases; Streptomyces; Substrate Specificity | 1979 |
[In vitro studies of testicular biosynthesis in 4 cases of male pseudohermaphrodism (MPH) due to testicular 17 ketoreductase defect (author's transl)].
Topics: 17-Hydroxysteroid Dehydrogenases; Adolescent; Adult; Androstenediols; Androstenedione; Dehydroepiandrosterone; Disorders of Sex Development; Estradiol; Estrone; Humans; In Vitro Techniques; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1979 |
Effect of exogenous estrogen on serum pregnenolone, cortisol, and androgens in postmenopausal women.
Topics: Adrenal Cortex; Adrenocorticotropic Hormone; Androgens; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrogens; Estrone; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Menopause; Pregnenolone; Statistics as Topic; Testosterone | 1975 |
Steroidogenesis in a virilizing ovarian tumour.
Topics: 17-alpha-Hydroxypregnenolone; Adult; Androstenedione; Cortodoxone; Estradiol; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Ovarian Neoplasms; Ovary; Pregnenolone; Sertoli-Leydig Cell Tumor; Testosterone; Virilism | 1975 |
17Beta-hydroxysteroid dehydrogenase activity in Streptomyces hydrogenans.
Topics: Androstenedione; Cell-Free System; Cytosol; Dihydrotestosterone; Estradiol; Hydroxysteroid Dehydrogenases; NAD; Pregnenolone; Ribosomes; Streptomyces; Subcellular Fractions; Testosterone | 1975 |
Effects of estrogens on adrenal 3 beta-hydroxysteroid dehydrogenase in ovariectomized women.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Androstenediols; Androstenedione; Castration; Dehydroepiandrosterone; Estradiol; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Pregnenolone; Progesterone; Testosterone | 1976 |
Effects of trypsin and phospholipases A2 and C on enzyme organization in testis microsomes.
Topics: Androstenedione; Animals; Cytochrome P-450 Enzyme System; Cytosol; Dehydroepiandrosterone; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Male; Mice; Microsomes; Mitochondria; Phospholipases; Pregnenolone; Progesterone; Receptors, Cell Surface; Steroid Hydroxylases; Testis; Testosterone; Trypsin | 1976 |
Cyclic changes in antral fluid hormone concentrations in humans.
Topics: Adult; Androstenedione; Body Fluids; Cell Count; Cyclic AMP; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Granulosa Cells; Humans; Luteinizing Hormone; Menstruation; Middle Aged; Ovarian Cysts; Ovarian Follicle; Peptide Fragments; Pregnenolone; Progesterone; Prolactin; Prostaglandins; Testosterone | 1978 |
Studies on the metabolism of steroid hormones in a virilizing adrenal cortex adenoma.
Topics: Adenoma; Adrenal Cortex Neoplasms; Androstenedione; Child; Chromatography, Gas; Dehydroepiandrosterone; Female; Humans; Pregnenolone; Progesterone; Testosterone | 1978 |
Changes throughout puberty in adrenal secretion after ACTH.
Topics: Adolescent; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Age Factors; Androstenedione; Child; Dehydroepiandrosterone; Dexamethasone; Estradiol; Female; Hormones; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnenolone; Puberty; Testosterone | 1979 |
Properties of rat adrenal zona reticularis cells: production and stimulation of certain steroids.
Topics: Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Animals; Corticosterone; Desoxycorticosterone; Female; In Vitro Techniques; Pregnenolone; Rats; Stimulation, Chemical | 1979 |
Androgen biosynthesis in experimental cryptorchidism.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Animals; Cryptorchidism; Dehydroepiandrosterone; Guinea Pigs; Hydroxyprogesterones; Male; Pregnenolone; Testis; Testosterone | 1975 |
Steroid metabolism of foetal tissues. V. Comparative studies in a 18 trisomic foetus.
Topics: Adrenal Glands; Androstenedione; Brain; Chromosomes, Human, 16-18; Estrone; Female; Fetus; Gonadal Steroid Hormones; Humans; Kidney; Liver; Lung; Male; Oxidation-Reduction; Pregnancy; Pregnenolone; Progesterone; Progestins; Testis; Testosterone; Thymus Gland; Trisomy | 1977 |
Steroidogenesis in HCG-responsive Leydig cell tumor variants.
Topics: 17-Hydroxysteroid Dehydrogenases; 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Androstenedione; Animals; Chorionic Gonadotropin; Dihydrotestosterone; Hydroxyprogesterones; Leydig Cell Tumor; Male; Mice; Neoplasms, Hormone-Dependent; Pregnenolone; Progesterone; Steroid 17-alpha-Hydroxylase; Steroids; Testosterone | 1979 |
Androgen biosynthesis by marmoset testes in vitro.
Topics: Androgens; Androstenedione; Animals; Callitrichinae; Culture Techniques; Haplorhini; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1977 |
Lack of metabolism of progesterone, testosterone and pregnenolone to 5alpha-products in monkey and human testes compared with rodent testes.
Topics: Age Factors; Aged; Androgens; Androstenedione; Animals; Child; Child, Preschool; Haplorhini; Humans; Macaca mulatta; Male; Pregnenolone; Progesterone; Rats; Testis; Testosterone | 1977 |
Testicular steroidogenesis in the common marmoset, Callithrix jacchus.
Topics: 20-alpha-Dihydroprogesterone; Androgens; Androstenedione; Animals; Callitrichinae; Haplorhini; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1977 |
Serum pregnenolone, progesterone, 17alpha-hydroxyprogesterone, androstenedione, testosterone, 5alpha-dihydrotestosterone and androsterone during puberty in boys.
Topics: Adolescent; Androgens; Androstenedione; Androsterone; Child; Dihydrotestosterone; Humans; Hydroxyprogesterones; Male; Pregnenes; Pregnenolone; Progesterone; Puberty; Sex Characteristics; Testis; Testosterone | 1979 |
Production and metabolism of progesterone and androstenedione by cultured mouse blastocysts.
Topics: Androstenedione; Animals; Blastocyst; Cells, Cultured; Chromatography; Embryonic Development; Female; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Mice; Permeability; Pregnancy; Pregnenolone; Progesterone; Radioimmunoassay | 1977 |
Studies on the pattern of circulating steroids in the normal menstrual cycle. 5. Changes around the onset of menstruation.
Topics: Adult; Androstenedione; Circadian Rhythm; Estradiol; Female; Gonadal Steroid Hormones; Humans; Hydrocortisone; Hydroxyprogesterones; Luteinizing Hormone; Menstruation; Pregnenolone; Progesterone; Progestins; Testosterone | 1977 |
Suggestion of abnormal testicular steroidogenesis in some oligospermic men.
Topics: Adult; Androgens; Androstenedione; Humans; Hydroxysteroid Dehydrogenases; Male; Oligospermia; Pregnanediones; Pregnenolone; Progesterone; Testis; Testosterone | 1978 |
In vitro steroid metabolic studies in human testes. II: Metabolism of cholesterol, pregnenolone, progesterone, androstenedione and testosterone by testes of an estrogen-treated man.
Topics: Adult; Androgens; Androstenedione; Cholesterol; Estradiol Congeners; Estrogens; Ethinyl Estradiol; Humans; Male; Pregnenolone; Progesterone; Progestins; Prostatic Neoplasms; Testis; Testosterone; Transsexualism | 1977 |
Steroid biosynthesis by the testes of the dogfish Scyliorhinus caniculus.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstane-3,17-diol; Androstenedione; Animals; Dogfish; Glucuronates; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenolone; Progesterone; Progestins; Sharks; Sulfuric Acids; Testis; Testosterone | 1978 |
Changes in C21-steroid metabolism by ovine placentas during cortisol administration.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Estradiol; Estrone; Female; Hydrocortisone; Hydroxyprogesterones; Microsomes; Placenta; Pregnancy; Pregnenolone; Progesterone; Sheep; Testosterone | 1978 |
Effect of pregnant mare's serum gonadotrophin on the activities of delta 4-5 alpha-reductase, aromatase, and other enzymes in the ovaries of immature rats.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Androstenedione; Animals; Aromatase; Female; Gonadotropins, Equine; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Kinetics; Mixed Function Oxygenases; Organ Size; Ovary; Oxidoreductases; Pregnenolone; Progesterone; Rats; Testosterone | 1978 |
Placental steriodogenesis in the rat: comparison of normal and giant placentae.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Estrone; Female; Hypertrophy; Placenta; Pregnanediones; Pregnenolone; Progesterone; Rats; Testosterone | 1977 |
Concentration of prostaglandin F2alpha and steroids in the human corpus luteum.
Topics: Adult; Androstenedione; Corpus Luteum; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Humans; Luteolysis; Pregnenolone; Progesterone; Prostaglandins F; Testosterone | 1977 |
The simultaneous radioimmunoassay of seven steroids in human spermatic and peripheral venous blood.
Topics: Adult; Aged; Androstenedione; Androsterone; Dihydrotestosterone; Hormones; Humans; Male; Middle Aged; Pregnenolone; Progesterone; Prostatic Neoplasms; Radioimmunoassay; Steroids; Testis; Testosterone | 1977 |
Steroid 21-hydroxylase activity in the ovary of the snake Storeria dekayi during pregnancy.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Corpus Luteum; Desoxycorticosterone; Female; Hydroxysteroid Dehydrogenases; Lyases; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone; Progesterone; Snakes; Steroid Hydroxylases; Steroid Isomerases; Testosterone; Time Factors | 1976 |
Placental steroidogenesis in the rat: progesterone production by tissue of the basal zone.
Topics: Androstenedione; Animals; Chromatography, Paper; Chromatography, Thin Layer; Female; Hydroxyprogesterones; In Vitro Techniques; Placenta; Pregnenolone; Progesterone; Rats; Testosterone | 1975 |
Steroidogenesis in ovarian tissue of a viviparous teleost, the guppy Poecilia reticulata.
Topics: Androstenedione; Animals; Estradiol; Estrogens; Estrone; Female; Fishes; Hormones; Hydroxysteroids; Ketosteroids; Ovary; Pregnenolone; Progesterone; Steroids; Testosterone | 1975 |
In vitro bioconversions of steroids in the mature ovary of the hagfish, Eptatretus burgeri.
Topics: Androstenedione; Animals; Chromatography, Thin Layer; Cortodoxone; Female; Fishes; Hagfishes; Hormones; Hydroxyprogesterones; Ovary; Pregnenolone; Progesterone; Steroids; Testosterone | 1975 |
The conversion of pregnenolone-7alpha-3H and progesterone-4-14C to estrogens by corpora lutea of menstrual cycles and pregnancy.
Topics: Adult; Androstenedione; Carbon Radioisotopes; Corpus Luteum; Crystallization; Estradiol; Estrogens; Estrone; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Menstruation; Middle Aged; Pregnancy; Pregnenolone; Progesterone; Tritium | 1975 |
Ovarian and adrenal contribuion to peripheral steroids during the menstrual cycle in two hirsute women.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Cortex; Adrenal Glands; Adult; Androstenedione; Dexamethasone; Dihydrotestosterone; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Hirsutism; Humans; Hydrocortisone; Hydroxyprogesterones; Luteinizing Hormone; Menstruation; Menstruation Disturbances; Ovary; Pregnenolone; Progesterone; Steroids; Testosterone | 1975 |
Metabolism of (4-14C)progesterone and (7alpha-3H)pregnenolone by human ovaries perfused in vitro.
Topics: 20-alpha-Dihydroprogesterone; Adult; Androstenedione; Chorionic Gonadotropin; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Isomerases; Middle Aged; Ovary; Oxidoreductases; Pregnanediones; Pregnanes; Pregnenolone; Progesterone; Stimulation, Chemical | 1975 |
Kinetic evidence for separate 3 beta-hydroxysteroid dehydrogenase-isomerases in androgen and 16-androstene biosynthetic pathways in the pig testis.
Topics: Androgens; Androstadienes; Androstenedione; Androstenes; Animals; Dehydroepiandrosterone; Isoenzymes; Kinetics; Male; Microsomes; Multienzyme Complexes; Pregnenolone; Progesterone Reductase; Steroid Isomerases; Swine; Testis | 1992 |
Modulation of progesterone secretion by androgens in porcine granulosa cell cultures.
Topics: Androgens; Androstenedione; Animals; Cells, Cultured; Dihydrotestosterone; Dose-Response Relationship, Drug; Drug Interactions; Female; Follicle Stimulating Hormone; Granulosa Cells; Luteinizing Hormone; Pregnenolone; Progesterone; Radioimmunoassay; Swine; Testosterone | 1992 |
On the origin of vertebrate-type steroids present in Locusta migratoria: do they originate from the food?
Topics: Androstenedione; Animals; Diet; Estradiol; Grasshoppers; Pregnenolone; Radioimmunoassay; Steroids; Testosterone | 1992 |
Changes in the expression of cytochrome P450c17 associated with ovarian cystic follicles. An immunocytochemical and enzymatic analysis of porcine ovaries.
Topics: 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cytochrome P-450 Enzyme System; Female; Hydroxyprogesterones; Immunohistochemistry; Ovarian Cysts; Ovary; Pregnenolone; Progesterone; Swine; Testosterone | 1992 |
[The effect of estrogen and, sex-steroids and thyroid hormone preparation on bone mineral density in senile osteoporosis--a comparative study of the effect of 1 alpha-hydroxycholecalciferol (1 alpha-OHD3) on senile osteoporosis].
Topics: Age Factors; Aged; Aged, 80 and over; Androstenediol; Androstenedione; Bone Density; Calcium; Drug Combinations; Estrogens, Conjugated (USP); Estrone; Female; Humans; Hydroxycholecalciferols; Middle Aged; Osteoporosis; Parathyroid Hormone; Phosphorus; Pregnenolone; Testosterone; Thyroid (USP) | 1991 |
Cytochrome P450 side-chain cleavage (P450scc) in the hen ovary. I. Regulation of P450scc messenger RNA levels and steroidogenesis in theca cells of developing follicles.
Topics: Androstenedione; Animals; Blotting, Northern; Blotting, Western; Chickens; Cholesterol Side-Chain Cleavage Enzyme; Cricetinae; Cyclic AMP; Estradiol; Female; Gene Expression Regulation; Hydroxycholesterols; Pregnenolone; Progesterone; Protein Kinases; RNA, Messenger; Steroids; Tetradecanoylphorbol Acetate; Theca Cells | 1991 |
Diet-induced hyperlipidemia in cattle modifies the intrafollicular cholesterol environment, modulates ovarian follicular dynamics, and hastens the onset of postpartum luteal activity.
Topics: Androstenedione; Animals; Cattle; Cholesterol; Cholesterol, HDL; Corpus Luteum; Dietary Fats; Female; Follicular Fluid; Granulosa Cells; Hyperlipidemias; Ovarian Follicle; Ovariectomy; Postpartum Period; Pregnenolone; Progesterone; Triglycerides | 1991 |
Steroid metabolism in gonads of turtle embryos as a function of the incubation temperature of eggs.
Topics: Androstenedione; Animals; Autoradiography; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Gonads; Male; Pregnenolone; Progesterone; Protein Precursors; Steroids; Temperature; Turtles | 1991 |
Effect of cadmium and other metal cations on in vitro Leydig cell testosterone production.
Topics: 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Bucladesine; Cadmium; Cations; Cells, Cultured; Chorionic Gonadotropin; Dose-Response Relationship, Drug; Hydroxycholesterols; Hydroxyprogesterones; Leydig Cells; Male; Metals; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Receptors, LH; Testosterone | 1991 |
Ethanol-induced inhibition of testosterone biosynthesis in rat Leydig cells: role of L-glutamate and pyruvate.
Topics: Androstenedione; Animals; Cells, Cultured; Culture Media; Ethanol; Glutamates; Glutamic Acid; Kinetics; Leydig Cells; Male; Pregnenolone; Progesterone; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Testosterone | 1990 |
Effect of the aromatase inhibitor 4-hydroxyandrostene-3,17-dione progesterone synthesis by human luteal cells.
Topics: 20-alpha-Dihydroprogesterone; Adult; Androstenedione; Aromatase Inhibitors; Cells, Cultured; Chorionic Gonadotropin; Dose-Response Relationship, Drug; Estradiol; Female; Humans; Luteal Cells; Pregnenolone; Progesterone; Testosterone | 1991 |
Effect of 4-hydroxyandrostenedione on murine Leydig tumor cell steroidogenesis.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Leydig Cell Tumor; Male; Mice; Pargyline; Pregnenolone; Progesterone; Testosterone | 1991 |
Successful treatment of a metastatic hormone-producing adrenal cancer by a combination of mitotane, tegafur and surgical resection.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Gland Neoplasms; Adult; Aldosterone; Androstenedione; Antineoplastic Combined Chemotherapy Protocols; Combined Modality Therapy; Corticosterone; Heart Neoplasms; Humans; Hydrocortisone; Liver Neoplasms; Lung Neoplasms; Male; Mitotane; Pregnenolone; Tegafur; Testosterone | 1990 |
Effects of tumor necrosis factor-alpha in vitro on steroidogenesis of healthy and atretic follicles of the rat: theca as a target.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Cells, Cultured; Estradiol; Female; Follicle Stimulating Hormone; Granulosa Cells; Hydroxycholesterols; Hydroxyprogesterones; Kinetics; Ovarian Follicle; Oxygen; Pregnenolone; Proestrus; Progesterone; Rats; Recombinant Proteins; Steroids; Theca Cells; Tumor Necrosis Factor-alpha | 1990 |
Human 3 beta-hydroxysteroid dehydrogenase/delta 5----4isomerase from placenta: expression in nonsteroidogenic cells of a protein that catalyzes the dehydrogenation/isomerization of C21 and C19 steroids.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Amino Acid Sequence; Androstenedione; Base Sequence; Dehydroepiandrosterone; DNA; Female; Gene Expression; Humans; Hydroxyprogesterones; Immunoblotting; Isomerases; Microsomes; Molecular Sequence Data; Multienzyme Complexes; NAD; Placenta; Pregnancy; Pregnenolone; Progesterone; Progesterone Reductase; Steroid Isomerases; Transfection; Tumor Cells, Cultured | 1990 |
Delta 5-3 beta-hydroxysteroid dehydrogenase-isomerase activity in canine pancreas.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cell Nucleus; Cytosol; Dehydroepiandrosterone; Dogs; Hydrogen-Ion Concentration; In Vitro Techniques; Male; Microsomes; Mitochondria; NAD; NADP; Pancreas; Pregnenolone; Progesterone | 1990 |
Altered steroidogenic pattern of human granulosa-lutein cells in relation to cumulus cell culture morphology.
Topics: Androstenedione; Cells, Cultured; Corpus Luteum; Dehydroepiandrosterone; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Granulosa Cells; Humans; Oocytes; Pregnenolone; Progesterone; Testosterone | 1990 |
Site at which ovarian nerve extracts inhibit thecal androgen production.
Topics: 17-alpha-Hydroxyprogesterone; Androgens; Androstenedione; Animals; Cells, Cultured; Cyclic AMP; Estradiol; Estrone; Female; Hydroxyprogesterones; Luteinizing Hormone; Ovary; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Swine; Testosterone; Theca Cells; Tissue Extracts | 1990 |
Insulin-like growth factor II is a potent inhibitor of the aromatase activity of human placental cytotrophoblasts.
Topics: Androstenedione; Aromatase; Cholesterol Side-Chain Cleavage Enzyme; Estrogens; Humans; Insulin-Like Growth Factor II; Placenta; Pregnenolone; Progesterone; Trophoblasts | 1990 |
The interaction of Sertoli and Leydig cells in the testicular toxicity of tri-o-cresyl phosphate.
Topics: Androstenedione; Animals; Carboxylesterase; Carboxylic Ester Hydrolases; Cell Communication; Cells, Cultured; Cholesterol; Chorionic Gonadotropin; Chromatography, High Pressure Liquid; Cresols; Dimethyl Sulfoxide; Dose-Response Relationship, Drug; In Vitro Techniques; Leydig Cells; Male; Organophosphorus Compounds; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Sertoli Cells; Testis; Testosterone; Tritolyl Phosphates | 1990 |
Influence of cortisol and different steroidogenic pathways on estrogen synthesis by the bovine placenta.
Topics: Androstenedione; Animals; Cattle; Chorionic Villi; Culture Techniques; Estrogens; Female; Hydrocortisone; Placenta; Pregnancy; Pregnenolone; Time Factors | 1990 |
Insulin enhances luteinizing hormone-stimulated steroidogenesis by porcine theca cells.
Topics: 1-Methyl-3-isobutylxanthine; Androstenedione; Animals; Cells, Cultured; Colforsin; Cyclic AMP; Dinoprostone; Female; Hydroxycholesterols; Insulin; Insulin-Like Growth Factor I; Kinetics; Luteinizing Hormone; Pregnenolone; Progesterone; Relaxin; Swine; Theca Cells | 1989 |
Biosynthetic pathways of testosterone and estradiol-17 beta in slices of the embryonic ovary and testis of the chicken (Gallus domesticus).
Topics: 17-alpha-Hydroxypregnenolone; Androstenediols; Androstenedione; Animals; Chick Embryo; Dehydroepiandrosterone; Estradiol; Estrogens; Female; Hydroxyprogesterones; Male; Ovary; Pregnenolone; Testis; Testosterone | 1989 |
Regulation of the 3 beta-hydroxysteroid dehydrogenase activity in tissue fragments and microsomes from human term placenta: kinetic analysis and inhibition by steroids.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Binding, Competitive; Dehydroepiandrosterone; Estradiol; Estriol; Estrone; Female; Gonadal Steroid Hormones; Humans; Kinetics; Microsomes; Placenta; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1989 |
On the mechanisms involved in the inhibitory and stimulating actions of transforming growth factor-beta on porcine testicular steroidogenesis: an in vitro study.
Topics: Androgens; Androstenedione; Animals; Dehydroepiandrosterone; In Vitro Techniques; Leydig Cells; Male; Microscopy, Phase-Contrast; Pregnenolone; Swine; Testosterone; Transforming Growth Factors | 1989 |
Changes in steroid pattern following acute and chronic adrenocorticotropin administration in premature adrenarche.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Cortex; Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Androstenedione; Child; Cortodoxone; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Male; Pregnenolone; Puberty, Precocious | 1989 |
Specific inactivation by 17 beta-substituted steroids of rabbit and rat liver cytochromes P-450 responsible for progesterone 21-hydroxylation.
Topics: Androstenedione; Animals; Cytochrome P-450 Enzyme Inhibitors; Hydroxylation; Male; Microsomes, Liver; Pregnenolone; Progesterone; Rabbits; Rats; Steroid 21-Hydroxylase; Steroid Hydroxylases; Structure-Activity Relationship | 1989 |
Hormonally active long-term culture of human ovarian cells: initial characterization.
Topics: Adult; Androstenedione; Cells, Cultured; Cholesterol; Estrone; Female; Humans; Middle Aged; Ovary; Pregnenolone; Progesterone; Radioimmunoassay | 1989 |
The effect of estrogen on androstenedione production by rat placental cells in vitro.
Topics: Androstenedione; Animals; Cells, Cultured; Centrifugation, Density Gradient; Diethylstilbestrol; Estrogens; Female; Placenta; Pregnancy; Pregnenolone; Progesterone; Radioimmunoassay; Rats; Rats, Inbred Strains | 1989 |
Male pseudohermaphroditism due to multiple defects in steroid-biosynthetic microsomal mixed-function oxidases. A new variant of congenital adrenal hyperplasia.
Topics: 17-Hydroxycorticosteroids; 17-Ketosteroids; 18-Hydroxycorticosterone; 18-Hydroxydesoxycorticosterone; Adrenal Hyperplasia, Congenital; Aldehyde-Lyases; Aldosterone; Androstenedione; Corticosterone; Cortodoxone; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Desoxycorticosterone; Dihydrotestosterone; Disorders of Sex Development; Humans; Hydrocortisone; Infant; Male; Mixed Function Oxygenases; Pregnenolone; Progesterone; Steroid Hydroxylases; Testosterone | 1985 |
Identification of nonecdysteroid steroids in hemolymph of both male and female Astacus leptodactylus (Crustacea) by gas chromatography-mass spectrometry.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Cholesterol; Crustacea; Dehydroepiandrosterone; Dihydrotestosterone; Female; Gas Chromatography-Mass Spectrometry; Hemolymph; Hydroxyprogesterones; Hydroxytestosterones; Male; Pregnenolone; Steroids; Testosterone | 1986 |
Steroid metabolism in the seminal vesicles of the African catfish, Clarias gariepinus (Burchell), during the spawning season, under natural conditions, and kept in ponds.
Topics: Adrenal Cortex Hormones; Androstenedione; Animals; Chromatography, Thin Layer; Crystallization; Dehydroepiandrosterone; Environment; Fishes; Glucuronates; In Vitro Techniques; Male; Pregnenolone; Reproduction; Seminal Vesicles | 1986 |
Intratesticular unconjugated steroids in elderly men.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adult; Aged; Androstane-3,17-diol; Androstenediol; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Humans; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Reference Values; Steroids; Testis; Testosterone | 1986 |
Sex steroids and 5-en-3 beta-hydroxysteroids in specific regions of the human brain and cranial nerves.
Topics: Androstenedione; Brain Chemistry; Cranial Nerves; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Gonadal Steroid Hormones; Humans; Hydroxysteroids; Pregnenolone; Progesterone; Retina; Testosterone; Tissue Distribution | 1986 |
The skin of the male African catfish, Clarias gariepinus: a source of steroid glucuronides.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Catfishes; Dehydroepiandrosterone; Glucuronates; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenolone; Skin; Steroids; Testosterone; Tritium | 1987 |
Simultaneous radioimmunoassay of progesterone, androst-4-enedione, pregnenolone, dehydroepiandrosterone and 17-hydroxyprogesterone in specific regions of human brain.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Brain Chemistry; Cross Reactions; Dehydroepiandrosterone; Humans; Hydroxyprogesterones; Pregnenolone; Progesterone; Radioimmunoassay; Tissue Distribution | 1987 |
Endocrine, seminal and peripheral effects of depot medroxyprogesterone acetate and testosterone enanthate in men.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Delayed-Action Preparations; Dihydrotestosterone; Estradiol; Humans; Hydrocortisone; Luteinizing Hormone; Male; Medroxyprogesterone; Medroxyprogesterone Acetate; Middle Aged; Pregnenolone; Semen; Testosterone | 1988 |
Endocrine effects of combined treatment with an LHRH agonist in association with flutamide in metastatic prostatic carcinoma.
Topics: Adenocarcinoma; Adrenal Cortex Hormones; Androgens; Androstane-3,17-diol; Androstenediol; Androstenedione; Androsterone; Anilides; Antineoplastic Combined Chemotherapy Protocols; Bone Neoplasms; Dehydroepiandrosterone; Flutamide; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Hydrocortisone; Kinetics; Luteinizing Hormone; Male; Pregnenolone; Progesterone; Prolactin; Prostatic Neoplasms; Testosterone; Triptorelin Pamoate | 1988 |
Influence of follicular atresia on LH-induced cAMP and steroid synthesis by bovine thecae interna.
Topics: Androstenedione; Animals; Cattle; Chorionic Gonadotropin; Cyclic AMP; Dehydroepiandrosterone; Female; Follicular Atresia; Follicular Phase; Luteinizing Hormone; Pregnenolone; Progesterone; Steroids; Testosterone; Theca Cells | 1985 |
Kinetic studies on the enzymes involved in estrogen biosynthesis and evidence for existence of a single 5-Ene-3beta-hydroxysteroid dehydrogenase complex in the ovary of the freshwater catfish, Clarias batrachus.
Topics: 17-alpha-Hydroxypregnenolone; 17-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Fishes; Kinetics; Ovary; Pregnenolone; Testosterone | 1985 |
Effect of adrenocorticotrophin on cortisol and androstenedione secretion from dispersed cells of guinea-pig adrenal zonae fasciculata and reticularis.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Cortex; Adrenocorticotropic Hormone; Androstenedione; Animals; Body Weight; Bucladesine; Cells, Cultured; Cortodoxone; Guinea Pigs; Hydrocortisone; Hydroxyprogesterones; Isomerism; Male; Organ Size; Pregnenolone | 1986 |
Normal ovarian function in a mild form of late-onset 3 beta-hydroxysteroid dehydrogenase deficiency.
Topics: 3-Hydroxysteroid Dehydrogenases; Adrenocorticotropic Hormone; Adult; Age Factors; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dexamethasone; Estradiol; Female; Follicle Stimulating Hormone; Hirsutism; Humans; Luteinizing Hormone; Menstrual Cycle; Ovary; Ovulation; Polycystic Ovary Syndrome; Pregnenolone; Progesterone; Prolactin; Testosterone | 1986 |
Site of gossypol inhibition of steroidogenesis in purified mouse Leydig cells.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Bucladesine; Gossypol; Hydroxycholesterols; Hydroxyprogesterones; Leydig Cells; Luteinizing Hormone; Male; Mice; Pregnenolone; Progesterone; Testosterone | 1986 |
Chronic treatment with corticotropin increases the capacity of rabbit adrenocortical cells to convert pregnenolone into androgens.
Topics: Adrenal Cortex; Adrenocorticotropic Hormone; Androgens; Androstenedione; Animals; Cosyntropin; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; In Vitro Techniques; Kinetics; Pregnenolone; Rabbits; Testosterone | 1987 |
Relationship between the structures and steroidogenic functions of the testes of the urohaze-goby (Glossogobius olivaceus).
Topics: 17-alpha-Hydroxyprogesterone; Androstane-3,17-diol; Androstenedione; Animals; Dehydroepiandrosterone; Dihydrotestosterone; Etiocholanolone; Fishes; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Steroids; Testis; Testosterone | 1985 |
Response of serum testosterone and its precursor steroids, SHBG and CBG to anabolic steroid and testosterone self-administration in man.
Topics: 17-alpha-Hydroxypregnenolone; Anabolic Agents; Androgens; Androstenediol; Androstenedione; Carrier Proteins; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Humans; Kinetics; Male; Pregnenolone; Progesterone; Sex Hormone-Binding Globulin; Sports; Testosterone | 1985 |
Steroid hormones in uterine washings and in plasma of gilts between days 9 and 15 after oestrus and between days 9 and 15 after coitus.
Topics: Androstenedione; Animals; Copulation; Dehydroepiandrosterone; Estradiol; Estrone; Estrus; Female; Pregnancy; Pregnenolone; Progesterone; Steroids; Swine; Testosterone; Time Factors; Uterus | 1985 |
In vitro steroid metabolism by rat retina.
Topics: 3-Hydroxysteroid Dehydrogenases; 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Androstenedione; Animals; Male; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Retina; Steroids; Testosterone | 1988 |
In-vitro steroid synthesis by the placenta of cows in late gestation and at parturition.
Topics: Androstenedione; Animals; Cattle; Cell Separation; Cells, Cultured; Chromatography, Ion Exchange; Culture Techniques; Dexamethasone; Estrogens; Female; Fetus; Labor, Obstetric; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids | 1988 |
The biosynthesis of steroid glucuronides in the testis of the zebrafish, Brachydanio rerio, and their pheromonal function as ovulation inducers.
Topics: Androstenedione; Animals; Chromatography, Thin Layer; Female; Gonadal Steroid Hormones; In Vitro Techniques; Male; Ovulation; Pheromones; Pregnenolone; Progestins; Testis; Water; Zebrafish | 1987 |
Steroid secretion by different cell types of the horse conceptus.
Topics: Androstenedione; Animals; Blastoderm; Cells, Cultured; Endoderm; Estradiol; Horses; Pregnenolone; Progesterone | 1987 |
Studies on steroid monooxygenase from Cylindrocarpon radicicola ATCC 11011. Oxygenative lactonization of androstenedione to testololactone.
Topics: Androstenedione; Hydrogen-Ion Concentration; Kinetics; Mitosporic Fungi; NADP; Oxidation-Reduction; Pregnenolone; Progesterone; Steroid 17-alpha-Hydroxylase; Steroid Hydroxylases; Testolactone | 1986 |
Ovarian metabolic pathways of steroid biosynthesis in the European eel (Anguilla anguilla L.) at the silver stage.
Topics: Aging; Androstenedione; Anguilla; Animals; Carbon Radioisotopes; Female; Gonadal Steroid Hormones; In Vitro Techniques; Ovary; Pregnenolone; Progesterone; Radioisotope Dilution Technique; Steroids; Testosterone; Tritium | 1986 |
The biosynthesis of 11-ketotestosterone by the testis of the Siamese fighting fish Betta splendens Regan (Anabantoidei, Belontiidae).
Topics: Androstenedione; Animals; Fishes; Hydroxytestosterones; Kinetics; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1987 |
Cyclosporine inhibits testosterone biosynthesis in the rat testis.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Cyclosporins; Hydroxyprogesterones; Luteinizing Hormone; Male; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Testis; Testosterone | 1987 |
Quantitative studies of steroid bioconversions in the seminal vesicles of spawning male African catfish, Clarias gariepinus (Burchell), under natural conditions, and of non-spawning catfish under natural and fish farm conditions.
Topics: Androstenedione; Animals; Animals, Domestic; Animals, Wild; Biotransformation; Carbon Radioisotopes; Catfishes; Male; Pregnenolone; Seminal Vesicles; Sexual Maturation; Tritium | 1987 |
Bovine theca and granulosa cells interact to promote androgen production.
Topics: Androgens; Androstenedione; Animals; Cattle; Cell Communication; Estradiol; Female; Granulosa Cells; In Vitro Techniques; Ovarian Follicle; Pregnenolone; Progestins; Theca Cells | 1986 |
A sensitive method for quantitation of steroid hydroxylase activities of individual P-450 in tissue homogenates.
Topics: Adrenal Glands; Androstenedione; Animals; Ascorbic Acid; Cattle; Corticosterone; Cytochrome P-450 Enzyme System; Detergents; Epinephrine; In Vitro Techniques; Lipid Metabolism; Male; Pregnenolone; Rats; Steroid Hydroxylases; Superoxide Dismutase; Swine; Testis | 1987 |
Steroid hormone biosynthesis by a sesterterpene pathway in the rat and rabbit testis.
Topics: Androstenedione; Animals; Cholesterol; Male; Microsomes; Mitochondria; Pregnenolone; Rabbits; Rats; Sesterterpenes; Terpenes; Testis; Testosterone | 1987 |
Production of steroids and release of prostaglandins by spherical pig blastocysts in vitro.
Topics: Androstenedione; Animals; Blastocyst; Estradiol; Estrone; Female; Pregnancy; Pregnenolone; Progesterone; Prostaglandins; Steroids; Swine; Testosterone | 1986 |
[Metharmon F for glossalgia caused by autonomic dysfunction].
Topics: Adult; Aged; Androstenediol; Androstenediols; Androstenedione; Autonomic Nervous System Diseases; Drug Combinations; Estrone; Female; Glossalgia; Humans; Middle Aged; Pregnenolone; Testosterone; Thyroid (USP); Thyroid Hormones | 1985 |
Concentrations of steroids and gonadotropins in follicular fluid from normal heifers and heifers primed for superovulation.
Topics: Androstenedione; Animals; Body Fluids; Cattle; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Luteinizing Hormone; Ovarian Follicle; Ovulation; Pregnancy; Pregnenolone; Progesterone; Superovulation; Testosterone | 1985 |
Steroid biosynthesis in turtle testes.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Chromatography, Thin Layer; Follicle Stimulating Hormone; Kinetics; Luteinizing Hormone; Male; Pregnenolone; Progesterone; Radioimmunoassay; Species Specificity; Testis; Turtles | 1985 |
Steroid metabolism in the testes of the African catfish, Clarias gariepinus (Burchell), during spawning season, under natural conditions and kept in ponds.
Topics: Androstenedione; Animals; Chromatography, Thin Layer; Crystallization; Fishes; Hydroxylation; Male; Pregnenolone; Seasons; Species Specificity; Steroids; Testis | 1986 |
Inhibition of Leydig tumor cell steroidogenesis by 10-propargylestr-4-ene-3,17-dione, an irreversible aromatase inhibitor.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Leydig Cell Tumor; Male; Mice; Mice, Inbred C57BL; Oxidoreductases; Pargyline; Pregnenolone; Progesterone; Testicular Neoplasms; Testosterone | 1985 |
Structural and functional changes in ovaries from adult mice treated with diethylstilboestrol in the neonatal period.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Diethylstilbestrol; Estrus; Female; Hydroxyprogesterones; In Vitro Techniques; Mice; Mice, Inbred Strains; Ovary; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1985 |
The development of placental androstenedione and testosterone production and their utilization by the ovary for aromatization to estrogen during rat pregnancy.
Topics: Androstenedione; Animals; Estradiol; Female; Ovary; Placenta; Pregnancy; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Testosterone | 1985 |
Differential production of steroids by dispersed granulosa and theca interna cells from developing preovulatory follicles of pigs.
Topics: Androstenedione; Animals; Cells, Cultured; Estradiol; Estrogens; Estrone; Female; Gonadal Steroid Hormones; Granulosa Cells; Ovarian Follicle; Pregnenolone; Progesterone; Swine; Theca Cells | 1985 |
Metabolism of 3-beta-hydroxy-5-ene steroids by testes of rats acclimatized to a hot environment.
Topics: 17-alpha-Hydroxypregnenolone; 17-Hydroxycorticosteroids; Acclimatization; Androstanes; Androstenedione; Androstenes; Animals; Carbon Isotopes; Chromatography, Thin Layer; Cryptorchidism; Dehydroepiandrosterone; Hot Temperature; Hydroxyprogesterones; In Vitro Techniques; Male; NADP; Pregnenolone; Rats; Testis; Testosterone; Time Factors; Tissue Extracts | 1973 |
In vitro steroidogenesis in feline testes.
Topics: Androstenedione; Androstenols; Animals; Carbon Radioisotopes; Castration; Cats; Chromatography, Thin Layer; Cytosol; Dehydroepiandrosterone; Hydrocortisone; Hydroxyprogesterones; Male; Microsomes; NAD; NADP; Oxidation-Reduction; Pregnenolone; Progesterone; Testis; Testosterone; Time Factors | 1973 |
In vitro biosynthesis of androgens in canine testes.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Carbon Radioisotopes; Cytosol; Dehydroepiandrosterone; Dogs; Hydroxyprogesterones; In Vitro Techniques; Male; Microsomes; Mitochondria; NAD; NADP; Pregnenolone; Progesterone; Stimulation, Chemical; Testis; Testosterone; Time Factors | 1973 |
In vitro on an HCG responsive, testosterone secreting adrenal cortical adenoma.
Topics: Acetates; Adenoma; Adenosine Triphosphate; Adrenal Gland Neoplasms; Androstenedione; Carbon Radioisotopes; Chorionic Gonadotropin; Coenzymes; Dehydroepiandrosterone; Estrone; Female; Humans; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Mitochondria; NAD; NADP; Pregnenolone; Progesterone; Radioimmunoassay; Subcellular Fractions; Testosterone; Tritium | 1973 |
Kinetic studies on the enzymes catalysing the conversion of 17alpha-hydroxyprogesterone and dehydroepiandrosterone to androstenedione in the human adrenal gland in vitro.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Androstenedione; Dehydroepiandrosterone; Depression, Chemical; Estradiol; Estrone; Female; Humans; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Kinetics; Microsomes; NAD; NADP; Oxidoreductases; Pregnenolone; Progesterone | 1974 |
Formation of dihydrotestosterone and other 5 alpha-reduced metabolites by isolated seminiferous tubules and suspension of interstitial cells in a human testis.
Topics: Adolescent; Androstanes; Androstenedione; Carbon Isotopes; Chromatography, Paper; Dihydrotestosterone; Humans; In Vitro Techniques; Male; NADP; Pregnenolone; Sulfates; Testis; Tritium | 1973 |
Characteristics of the nuclear and microsomal steroid delta-4-5 alpha-hydrogenase of the rat prostate.
Topics: Androstenedione; Androstenes; Animals; Carbon Radioisotopes; Cell Nucleus; Chromatography, Thin Layer; Corticosterone; Dehydroepiandrosterone; Hydrogen-Ion Concentration; Hydroxyprogesterones; Male; Microsomes; Microsomes, Liver; NADP; Oxidoreductases; Pregnenolone; Progesterone; Prostate; Temperature; Testosterone; Tritium | 1974 |
Studies on the structure and function of the mammalian testis. V. Steroid metabolism by isolated interstitium and seminiferous tubules of the human testis.
Topics: Adult; Aged; Androgens; Androstenedione; Carbon Radioisotopes; Humans; In Vitro Techniques; Male; Pregnenolone; Progesterone; Progestins; Testis; Testosterone; Tritium | 1974 |
Testosterone formation in testis of the immature androgen insensitive pseudohermaphrodite male rat (Stanley-Gumbreck rat).
Topics: Androgens; Androstenedione; Androstenols; Androsterone; Animals; Carbon Radioisotopes; Chromatography; Crystallization; Disorders of Sex Development; Glucosephosphate Dehydrogenase; In Vitro Techniques; Male; NADP; Oxidation-Reduction; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Testis; Testosterone; Time Factors; Tritium | 1974 |
Steroidogenesis in vitro by the ovarian tissue of the domestic fowl (Gallus domesticus).
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Autoradiography; Carbon Radioisotopes; Chickens; Chromatography, Thin Layer; Dehydroepiandrosterone; Estradiol; Estrone; Female; Hydroxyprogesterones; In Vitro Techniques; NAD; NADP; Ovary; Pregnenolone; Progesterone; Steroids; Testosterone; Time Factors; Tritium | 1974 |
Elimination of tritium from metabolites of (16- 3 H)-pregnenolone.
Topics: 17-alpha-Hydroxypregnenolone; Androstanes; Androstenedione; Animals; Carbon Isotopes; Dehydroepiandrosterone; Hydrolysis; In Vitro Techniques; Male; Pregnenolone; Rabbits; Testis; Testosterone; Tritium | 1973 |
[In vitro studies on the steroid metabolism in human spermatozoa].
Topics: Androstenedione; Autoradiography; Cell Movement; Dehydroepiandrosterone; Humans; Male; Pregnenolone; Progesterone; Spermatozoa; Testosterone | 1970 |
Some effects of steroids on the immature mouse ovary in vitro.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Culture Techniques; Dehydroepiandrosterone; Estradiol; Estrone; Female; Hydroxyprogesterones; Mice; Mitosis; Ovarian Follicle; Ovary; Pregnenolone; Progesterone; Steroids; Stimulation, Chemical; Testosterone; Thymidine; Tritium | 1973 |
Serum steroid levels during the menstrual cycle in a bilaterally adrenalectomized woman.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Gland Diseases; Adrenalectomy; Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Menstruation; Ovary; Pregnenolone; Progesterone; Testosterone | 1973 |
Glucocorticoid synthesis from pregnenolone by sheep foetal adrenals in vitro.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Androstenedione; Animals; Chromatography; Corticosterone; Dehydroepiandrosterone; Fetus; Gestational Age; Glucocorticoids; Hydrocortisone; Hydroxyprogesterones; In Vitro Techniques; Pregnenolone; Progesterone; Radioisotope Dilution Technique; Sheep | 1973 |
Steroid hormone production by pig blastocysts.
Topics: Androstenedione; Animals; Blastocyst; Carbon Radioisotopes; Dehydroepiandrosterone; Estradiol; Estrone; Hydrocortisone; In Vitro Techniques; Pregnenolone; Progesterone; Swine; Tritium | 1973 |
Steroid metabolism by an oestrogen-dependent interstitial-cell tumour of a rat testis.
Topics: Androstenedione; Androstenes; Androsterone; Animals; Carbon Radioisotopes; Cholesterol; Chromatography, Gas; Chromatography, Thin Layer; Dehydroepiandrosterone; Etiocholanolone; In Vitro Techniques; Leydig Cell Tumor; Male; Pregnenolone; Rats; Steroids; Testicular Neoplasms; Testosterone | 1973 |
Steroid metabolism in vitro by an interstitial cell tumour and the attached prepubertal testis.
Topics: Adolescent; Androstenedione; Carbon Radioisotopes; Chromatography, Thin Layer; Dehydroepiandrosterone; Humans; Hydroxyprogesterones; Leydig Cell Tumor; Male; Pregnenolone; Progesterone; Puberty; Steroids; Testicular Neoplasms; Testis; Testosterone; Tritium | 1973 |
Intracellular distributian and substrate specificity of the 16 alpha-hydroxylase in the adrenal of human fetus.
Topics: Adrenal Glands; Androstenedione; Carbon Radioisotopes; Cell Nucleus; Chromatography, Paper; Chromatography, Thin Layer; Cytosol; Dehydroepiandrosterone; Female; Fetus; Humans; Microsomes; Mitochondria; Pregnancy; Pregnenolone; Progesterone; Steroid Hydroxylases; Subcellular Fractions; Tritium | 1973 |
Steroid metabolism in human and boar testis tissue. Steroid concentrations and the position of the sulfate group in steroid sulfates.
Topics: Adult; Androstenedione; Androsterone; Animals; Chromatography, Gas; Dehydroepiandrosterone; Humans; Hydroxyprogesterones; Male; Mass Spectrometry; Organ Size; Pregnenes; Pregnenolone; Progesterone; Species Specificity; Steroids; Sulfuric Acids; Swine; Testis; Testosterone | 1974 |
In vitro biotransformation of steroid hormones by human semen.
Topics: Androgens; Androstenedione; Androstenes; Binding Sites; Biotransformation; Carbon Radioisotopes; Chromatography, Gel; Chromatography, Paper; Dehydroepiandrosterone; Humans; Hydroxysteroid Dehydrogenases; Male; Plasma; Pregnenolone; Semen; Testosterone; Tritium | 1974 |
The in vitro biosynthesis of steroids by the gonad of the mussel (Mytilus edulis).
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Bivalvia; Carbon Radioisotopes; Chromatography, Thin Layer; Dehydroepiandrosterone; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Gonads; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Male; Ovary; Oxidation-Reduction; Pregnenolone; Progesterone; Radioimmunoassay; Testis; Testosterone; Tritium | 1974 |
The annual testicular cycle and androgen production in vitro in the masked civet cat, Paguma l. larvata.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Carbon Radioisotopes; Carnivora; Dehydroepiandrosterone; Histocytochemistry; Hydroxyprogesterones; In Vitro Techniques; Lipids; Male; Organ Size; Pregnenolone; Progesterone; Seasons; Spermatogenesis; Testis; Testosterone | 1974 |
Augmentation of the rat uterine weight response to human chorionic gonadotrophin by various steroids.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Androsterone; Animals; Body Weight; Castration; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Female; Organ Size; Ovary; Pregnenolone; Progesterone; Rats; Stimulation, Chemical; Testosterone; Uterus | 1974 |
Biosynthesis of steroids from (14C)cholesterol, (3H) progesterone and (3H)pregnenolone by human adrenal carcinoma tissue.
Topics: Adrenal Gland Neoplasms; Androstenedione; Carbon Radioisotopes; Carcinoma; Cholesterol; Chromatography, Paper; Chromatography, Thin Layer; Crystallization; Dehydroepiandrosterone; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Isotope Labeling; Middle Aged; Pregnenolone; Progesterone; Steroids; Tritium; Virilism | 1974 |
The biosynthesis of estrogens by cow follicles.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Biotransformation; Cattle; Cells, Cultured; Chromatography; Dehydroepiandrosterone; Estrogens; Female; Manometry; Ovarian Follicle; Pregnenolone; Progesterone; Tritium | 1974 |
New potent inhibitors of 3beta-hydroxy-delta 5-steroid oxidoreductase with short duration of action.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Male; Microsomes; Pregnenolone; Progesterone; Testis; Testosterone; Time Factors; Tritium | 1974 |
Testicular function in myotonic dystrophy of childhood.
Topics: Androstenedione; Autopsy; Biopsy; Carbon Radioisotopes; Child; Child, Preschool; Chromatography, Thin Layer; Dehydroepiandrosterone; Humans; Infant; Isotope Labeling; Lyases; Male; Myotonic Dystrophy; Oxidoreductases; Pregnenolone; Steroid Hydroxylases; Testis; Testosterone; Tritium | 1974 |
Endocrine and metabolic studies in an XY patient with gonadal agenesis.
Topics: Adolescent; Adrenal Glands; Amenorrhea; Androstenedione; Dehydroepiandrosterone; Estradiol; Ethinyl Estradiol; Feedback; Female; Follicle Stimulating Hormone; Gonads; Humans; Hydrocortisone; Iodine Radioisotopes; Karyotyping; Luteinizing Hormone; Methyl Ethers; Mullerian Ducts; Phenotype; Pituitary Gland; Pregnenolone; Progesterone; Radioimmunoassay; Sex Chromatin; Sex Chromosomes; Testosterone; Tritium; Turner Syndrome; Wolffian Ducts | 1974 |
Androgen formation from pregnenolone sulfate by the human fetal ovary.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Androgens; Androstenedione; Body Weight; Carbon Radioisotopes; Chromatography, Paper; Dehydroepiandrosterone; Female; Gestational Age; Humans; Liver; Ovary; Pregnenolone; Tritium | 1974 |
Tumors of dysgenetic gonads (gonadoblastoma): ultrastructural and steroidogenic aspects.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Androstenes; Basement Membrane; Cell Nucleus; Cytoplasm; Dehydroepiandrosterone; Dysgerminoma; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; In Vitro Techniques; Pregnenolone; Progesterone; Testosterone; Turner Syndrome | 1974 |
Steroid hormone production by sheep ovarian follicles cultured in vitro.
Topics: Androstenediols; Androstenedione; Animals; Biometry; Cells, Cultured; Chromatography, Thin Layer; Dehydroepiandrosterone; Estrogens; Female; In Vitro Techniques; Organ Size; Ovarian Follicle; Pregnanediol; Pregnanetriol; Pregnenolone; Progesterone; Protein Binding; Sheep; Steroids; Testosterone; Time Factors; Tritium | 1974 |
Biosynthesis of steroids from cholesterol-14C by human adrenal carcinoma tissue.
Topics: Adrenal Cortex Hormones; Adrenal Gland Neoplasms; Adrenal Glands; Androstenedione; Bucladesine; Carbon Radioisotopes; Carcinoma; Cholesterol; Chromatography; Dehydroepiandrosterone; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Middle Aged; Phenols; Pregnenolone; Progesterone; Testosterone; Tritium | 1973 |
Ferric chloride-impregnated silica gel for thin-layer chromatography of steroids.
Topics: Androstanes; Androstenedione; Androsterone; Cholesterol; Chromatography, Thin Layer; Ergosterol; Estrone; Iron; Ketosteroids; Pregnenolone; Silicon Dioxide; Steroids; Sulfuric Acids | 1973 |
Steroid biosynthesis by transplantable gonadal tumors of rat.
Topics: 17-alpha-Hydroxypregnenolone; Acetates; Androstenedione; Animals; Bucladesine; Carbon Radioisotopes; Cholesterol; Chromatography, Paper; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Granulosa Cell Tumor; Hydroxyprogesterones; Luteinizing Hormone; Male; Neoplasm Transplantation; Ovarian Neoplasms; Pregnenolone; Progesterone; Rats; Spectrophotometry, Ultraviolet; Testicular Neoplasms; Testosterone; Transplantation, Homologous; Tritium | 1973 |
[Biosynthesis of steroids by human adrenal cancer tissue--effects of ACTH and cyclic AMP].
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Carbon Radioisotopes; Cholesterol; Chromatography, Paper; Cyclic AMP; Dehydroepiandrosterone; Female; Glucocorticoids; Humans; Hydroxyprogesterones; In Vitro Techniques; Middle Aged; Pregnenolone; Progesterone; Tritium | 1974 |
In vitro metabolism of steroid hormones by chicken brain.
Topics: Androstanes; Androstenedione; Androsterone; Animals; Brain; Carbon Radioisotopes; Centrifugation; Chickens; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Male; Pregnanediones; Pregnenolone; Progesterone; Subcellular Fractions; Testosterone | 1974 |
Metabolism of (4-14C) cholesterol by human adrenal glands in vitro and its inhibition by metyrapone.
Topics: 17-Hydroxycorticosteroids; Adenoma; Adrenal Gland Diseases; Adrenal Gland Neoplasms; Adrenal Glands; Adrenalectomy; Adrenocortical Hyperfunction; Adult; Androstenedione; Carbon Radioisotopes; Cholesterol; Chromatography, Paper; Chromatography, Thin Layer; Corticosterone; Depression, Chemical; Desoxycorticosterone; Female; Humans; Hydrocortisone; In Vitro Techniques; Metyrapone; Middle Aged; Pregnenolone; Progesterone; Tritium | 1974 |
Reptilian ovarian steroidogenesis and the influence of mammalian gonadotrophins (follicle-stimulating hormone and luteinizing hormone) in vitro.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Cholesterol; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Hydroxyprogesterones; Lizards; Luteinizing Hormone; Ovarian Follicle; Ovary; Pregnenolone; Progesterone; Steroids; Testosterone; Tritium; Turtles | 1974 |
Steroid biosynthesis by reptilian adrenals.
Topics: Acetylation; Adrenal Glands; Aldosterone; Androstenedione; Animals; Carbon Radioisotopes; Cholesterol; Corticosterone; Hydrolysis; Hydroxycorticosteroids; In Vitro Techniques; Lizards; Oxidation-Reduction; Pregnenolone; Progesterone; Testosterone; Tritium | 1974 |
Effects of aminoglutethimide, metyrapone, and ascorbic acid on testicular metabolism of cholesterol.
Topics: Aminoglutethimide; Androstanes; Androstenedione; Animals; Ascorbic Acid; Carbon Radioisotopes; Cell-Free System; Cholesterol; Chromatography, Paper; Chromatography, Thin Layer; Female; Hydroxyprogesterones; Hydroxysteroids; Male; Metyrapone; Mitochondria; Pregnenolone; Progesterone; Rats; Testis; Testosterone; Tritium | 1974 |
Biosynthesis of 11-deoxycorticosterone by the ovary of the yucca night lizard, Xantusia vigilis.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Desoxycorticosterone; Female; Humans; Lizards; Ovary; Pregnenolone; Progesterone; Steroid Hydroxylases | 1974 |
Pregnene 17 -hydroperoxides as possible precursors of the adrenosteroid hormones.
Topics: Adrenal Cortex Hormones; Adrenal Glands; Androstenedione; Animals; Cattle; Chromatography, Gas; Chromatography, Thin Layer; Densitometry; Fluorometry; Hydroxylation; Hydroxyprogesterones; Mass Spectrometry; Microsomes; Microsomes, Liver; Peroxides; Pregnenolone; Progesterone; Rats; Spectrophotometry, Ultraviolet | 1972 |
Effect of exogenous steroids and inhibitors of steroidogenesis on endotoxin shock.
Topics: Adrenal Cortex Hormones; Adrenal Glands; Aminoglutethimide; Androstenedione; Animals; Butanones; Corticosterone; Desoxycorticosterone; Endotoxins; Hydrocortisone; Hydroxyprogesterones; Lethal Dose 50; Male; Metyrapone; Mice; Mice, Inbred ICR; Pregnenes; Pregnenolone; Progesterone; Shock, Septic | 1973 |
De-novo steroid synthesis in the seminiferous tubule of the adult rat testis.
Topics: 17-alpha-Hydroxypregnenolone; Acetates; Androstenedione; Animals; Carbon Isotopes; Hydroxyprogesterones; Male; Pregnanediol; Pregnenolone; Progesterone; Rats; Steroids; Testis; Testosterone; Tritium | 1973 |
Biosynthesis of adrenocortical steroids by monotremes: echidna (Tachyglossus aculeatus) and platypus (Ornithorhynchus anatinus).
Topics: 11-Hydroxycorticosteroids; Adrenal Cortex Hormones; Adrenal Glands; Aldosterone; Androstenedione; Animals; Carbon Isotopes; Corticosterone; Cortisone; Female; Hydrocortisone; Hydroxyprogesterones; In Vitro Techniques; Male; Mammals; Monotremata; Organ Size; Pregnanes; Pregnenolone; Progesterone | 1973 |
Steroid biosynthesis in vitro by dysgenetic ovaries induced by neonatal thymectomy in mice.
Topics: 17-Ketosteroids; Androgens; Androstenedione; Animals; Carbon Isotopes; Culture Techniques; Female; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Isomerases; Ketones; Lyases; Ovary; Pregnanes; Pregnenolone; Progesterone; Rats; Testosterone; Thymectomy; Thymus Gland; Tritium | 1973 |
Androgen biosynthesis by testicular tissue of the desert rodents, Acomys cahirinus and Gerbillus dasyurus.
Topics: Androgens; Androstenedione; Animals; Carbon Isotopes; Cricetinae; Desert Climate; Ecology; Gerbillinae; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Hydroxysteroids; In Vitro Techniques; Male; Mice; Pregnenolone; Progesterone; Rodentia; Steroids; Testis; Testosterone; Tritium | 1973 |
Testicular function in sterile Steel mice.
Topics: Androgens; Androstenedione; Animals; Carbon Radioisotopes; Follicle Stimulating Hormone; Infertility, Male; Luteinizing Hormone; Male; Mice; Mice, Inbred Strains; Mutation; Pregnenolone; Progesterone; Radioimmunoassay; Testis; Testosterone; Tritium | 1973 |
The role of androgens in the initiation of spermatogenesis in man.
Topics: Androstenedione; Biopsy; Carbon Radioisotopes; Child; Cholesterol; Humans; Leydig Cell Tumor; Male; Pregnenolone; Progesterone; Spermatogenesis; Testis; Testosterone; Tritium | 1973 |
Androgen production by testes of Gallus domesticus during postembryonic development.
Topics: Age Factors; Algestone Acetophenide; Androgens; Androstenedione; Animals; Chickens; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenolone; Progesterone; Testis; Testosterone | 1973 |
Proceedings: Regulation of human adrenal androstenedione synthesis in vitro.
Topics: 17-Ketosteroids; Adrenal Glands; Androgens; Androstenedione; Humans; In Vitro Techniques; Pregnenolone; Progesterone | 1973 |
[Visualization and evolution of steroid dehydrogenases in the cat's endotheliochorial placenta during gestation].
Topics: Androstenedione; Androsterone; Animals; Cats; Etiocholanolone; Female; Histocytochemistry; Hydrocortisone; Hydroxysteroid Dehydrogenases; Placenta; Pregnancy; Pregnancy, Animal; Pregnenolone; Testosterone | 1973 |
Biotransformation of pregnenolone and progesterone by rabbit ovarian follicles and corpora lutea.
Topics: Androstenedione; Animals; Biotransformation; Carbon Radioisotopes; Copulation; Corpus Luteum; Estradiol; Female; Ovarian Follicle; Pregnenolone; Progesterone; Rabbits; Testosterone; Time Factors; Tritium; Uterus | 1973 |
Progress in the development of hormone-based contraceptives for the human male with the laboratory rat as a model.
Topics: Androstenedione; Animals; Contraceptive Agents, Male; Drug Synergism; Epididymis; Estrogens; Fertility; Hydroxyprogesterones; Male; Mesterolone; Organ Size; Pregnenolone; Progesterone; Progestins; Rats; Seminal Vesicles; Testis; Testosterone | 1973 |
Proceedings: Steroid metabolism by the prepubertal human testis.
Topics: Androstenedione; Carbon Radioisotopes; Child, Preschool; Dihydrotestosterone; Humans; In Vitro Techniques; Male; Pregnenolone; Progesterone; Puberty; Steroid Hydroxylases; Steroids; Testis; Tritium | 1974 |
Proceedings: Gonadal steroid synthesis in the Virginian opossum, Didelphis marsupialis.
Topics: Acetates; Androstenedione; Animals; Carbon Radioisotopes; Cholesterol; Female; Gonadal Steroid Hormones; Luteinizing Hormone; Male; Opossums; Ovary; Pregnenolone; Progesterone; Steroids; Testis; Testosterone; Tritium | 1974 |
Proceedings: Effects of aminoglutethimide and SU 10'603 on the biosynthesis of C19 steroids.
Topics: Aminoglutethimide; Androstenedione; Animals; Carbon Radioisotopes; Cholesterol; In Vitro Techniques; Male; Mixed Function Oxygenases; Naphthalenes; Pregnenolone; Progesterone; Pyridines; Rats; Steroids; Swine; Testis; Testosterone | 1974 |
Free cell suspensions from rat placental tissue: metabolism of pregnenolone-4-14C and progesterone-4-14C.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Carbon Radioisotopes; Cell Count; Cells, Cultured; Female; Placenta; Pregnenolone; Progesterone | 1974 |
Effect of prostaglandins on the in vitro steroidogenesis in human ovarian tissues.
Topics: Acetates; Androstenedione; Carbon Radioisotopes; Corpus Luteum; Estradiol; Female; Humans; Ovarian Follicle; Ovary; Pregnenolone; Progesterone; Prostaglandins; Stimulation, Chemical; Testosterone | 1974 |
The influence of FSH and FSH plus LH on steroidogenic enzymes in the immature mouse ovary.
Topics: Androstenedione; Animals; Cholesterol; Enzyme Activation; Estrogens; Female; Follicle Stimulating Hormone; Hydroxysteroid Dehydrogenases; Luteinizing Hormone; Mice; Mice, Inbred BALB C; Ovary; Oxidoreductases; Pregnenolone; Progesterone; Proteins; Stimulation, Chemical; Testosterone | 1974 |
Benign premature adrenarche: clinical features and serum steroid levels.
Topics: 17-alpha-Hydroxyprogesterone; Acne Vulgaris; Adrenal Glands; Androgens; Androstenedione; Child; Child, Preschool; Dehydroepiandrosterone; Dihydrotestosterone; Female; Humans; Hydroxyprogesterones; Pregnenolone; Progesterone; Testosterone | 1983 |
Testicular steroidogenesis in the camel (Camelus dromedarius) during the mating and the nonmating seasons.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenediols; Androstenedione; Animals; Camelus; Dehydroepiandrosterone; Hydroxysteroid Dehydrogenases; Male; Pregnenolone; Progesterone; Sexual Behavior, Animal; Steroid Hydroxylases; Testis; Testosterone | 1983 |
Ovarian steroid metabolism and oestrogens in the corpus luteum of the tammar wallaby.
Topics: Androstenedione; Animals; Aromatase; Corpus Luteum; Dehydroepiandrosterone; Embryo Implantation, Delayed; Estradiol; Estrone; Female; Macropodidae; Marsupialia; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone | 1984 |
Steroid concentrations in the outer and inner zones of the adrenal cortex of the guinea pig.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Cortex; Androstenedione; Animals; Dehydroepiandrosterone; Guinea Pigs; Male; Pregnenediones; Pregnenes; Pregnenolone; Tissue Distribution | 1984 |
Umbilical artery concentrations of androstenedione increased in early labour in the leading twin fetus.
Topics: Androstenedione; Cesarean Section; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetal Blood; Humans; Labor Stage, First; Labor Stage, Second; Labor, Obstetric; Pregnancy; Pregnenolone; Progesterone; Twins | 1984 |
Norethisterone and ethinylestradiol do not inhibit delta 5-3 beta-hydroxysteroid dehydrogenase in rat Leydig cells.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cyanoketone; Dehydroepiandrosterone; Ethinyl Estradiol; Kinetics; Leydig Cells; Male; Norethindrone; Norethindrone Acetate; Pregnenolone; Rats; Rats, Inbred Strains | 1984 |
Adrenal androgens in obese boys before and after weight loss.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Glands; Androgens; Androstenedione; Body Weight; Child; Dehydroepiandrosterone; Estradiol; Humans; Hydrocortisone; Hydroxyprogesterones; Male; Obesity; Pregnenolone; Progesterone; Testosterone | 1984 |
Steroid metabolism in corpora lutea of the western spotted skunk (Spilogale putorius latifrons).
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Carnivora; Corpus Luteum; Dehydroepiandrosterone; Embryo Implantation, Delayed; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Hydroxyprogesterones; Mephitidae; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1984 |
Early steroid metabolism by chick blastoderm in vitro.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Blastoderm; Chick Embryo; Dehydroepiandrosterone; Estradiol; Hydroxyprogesterones; Kinetics; Pregnenolone; Progesterone; Steroids; Testosterone | 1984 |
Significance of the delta 5 and delta 4 steroidogenic pathways in the hamster preovulatory follicle.
Topics: Androstenedione; Animals; Cricetinae; Dehydroepiandrosterone; Dihydrotestosterone; Female; Granulosa Cells; In Vitro Techniques; Luteinizing Hormone; Mesocricetus; Ovarian Follicle; Ovulation; Pregnenolone; Progesterone; Testosterone; Theca Cells; Time Factors | 1983 |
Abnormal adrenal responses to adrenocorticotropic hormone in hyperandrogenic women.
Topics: 17-alpha-Hydroxypregnenolone; Adolescent; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Androgens; Androstenedione; Dehydroepiandrosterone; Female; Humans; Hydroxyprogesterones; Pregnenolone; Testosterone; Time Factors | 1980 |
Inhibition of adrenal steroidogenesis by danazol in vivo.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Androstenedione; Cortodoxone; Danazol; Dehydroepiandrosterone; Female; Humans; Pregnadienes; Pregnenolone; Progesterone; Steroids; Time Factors | 1980 |
Familial male pseudohermaphroditism due to 17-20-desmolase deficiency. I. In vivo endocrine studies.
Topics: 17-alpha-Hydroxypregnenolone; Adrenocorticotropic Hormone; Aldehyde-Lyases; Androstenedione; Child; Chorionic Gonadotropin; Dehydroepiandrosterone; Dexamethasone; Disorders of Sex Development; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Karyotyping; Male; Menstruation; Pedigree; Pregnenolone; Steroid 17-alpha-Hydroxylase; Steroids; Testosterone | 1980 |
Adrenocortical function in old age: response to acute adrenocorticotropin stimulation.
Topics: 17-alpha-Hydroxypregnenolone; Adolescent; Adrenal Cortex; Adrenocorticotropic Hormone; Adult; Aged; Aging; Androstenedione; Dehydroepiandrosterone; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Male; Middle Aged; Pregnenolone; Progesterone | 1982 |
Pregnenolone biosynthesis by cultured rat granulosa cells: modulation by follicle-stimulating hormone and gonadotropin-releasing hormone.
Topics: 3-Hydroxysteroid Dehydrogenases; 8-Bromo Cyclic Adenosine Monophosphate; Androstenedione; Animals; Cyanoketone; Cyclic AMP; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Granulosa Cells; Hydroxycholesterols; Pregnenolone; Rats; Rats, Inbred Strains | 1982 |
Regulation of 21-hydroxylase activity by steroids in cultured bovine adrenocortical cells: possible significance for adrenocortical androgen synthesis.
Topics: Adrenal Cortex; Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Androgens; Androstenedione; Animals; Antioxidants; Cattle; Cells, Cultured; Dihydrotestosterone; Dose-Response Relationship, Drug; Kinetics; Pregnenolone; Progesterone; Steroid 11-beta-Hydroxylase; Steroid 21-Hydroxylase; Steroid Hydroxylases; Structure-Activity Relationship; Testosterone | 1982 |
Impaired pregnenolone secretion after combined cyproterone acetate and ethynyl estradiol therapy in hirsute patients.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Androstenedione; Cyproterone; Cyproterone Acetate; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Drug Therapy, Combination; Ethinyl Estradiol; Female; Hirsutism; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnenolone; Progesterone; Testosterone | 1982 |
Steroid modulation of pregnenolone to progesterone conversion by human placental cells in vitro.
Topics: Androstenedione; Cells, Cultured; Dehydroepiandrosterone; Dose-Response Relationship, Drug; Estrone; Female; Gonadal Steroid Hormones; Humans; In Vitro Techniques; Infant, Newborn; Microbial Collagenase; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids; Testosterone | 1983 |
Ethanol-induced reductions in testicular steroidogenesis: major differences between in vitro and in vitro approaches.
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Cyclic AMP; Ethanol; Kinetics; Leydig Cells; Male; Pregnenolone; Progesterone; Progestins; Rats; Testis; Testosterone | 1982 |
Effect of gonadotrophin releasing hormone upon the pattern of steroidogenesis in isolated preovulatory rat follicles.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Estradiol; Female; Gonadotropin-Releasing Hormone; Gonadotropins, Equine; Hydroxyprogesterones; Luteinizing Hormone; Ovarian Follicle; Pituitary Hormone Release Inhibiting Hormones; Pituitary Hormone-Releasing Hormones; Pregnenolone; Progesterone; Rats; Testosterone | 1984 |
Androstenedione and testosterone biosynthesis by the adrenal cortex of the horse.
Topics: Adrenal Cortex; Androstenedione; Animals; Chromatography, Paper; Female; Horses; Pregnenolone; Radioisotope Dilution Technique; Testosterone; Tritium | 1984 |
Hormonal changes during the perinatal period: serum testosterone, some of its precursors, and FSH and prolactin in preterm and fullterm male infant cord blood and during the first week of life.
Topics: Androstenedione; Fetal Blood; Follicle Stimulating Hormone; Gestational Age; Humans; Hydroxyprogesterones; Infant, Newborn; Infant, Premature; Male; Pregnenolone; Progesterone; Prolactin; Testosterone | 1983 |
[Clinical effects of metharmon F for postmenopausal women with climacteric symptoms: its relationship with serum level of hormones].
Topics: Androstenediol; Androstenediols; Androstenedione; Climacteric; Drug Combinations; Estrogens; Estrone; Female; Follicle Stimulating Hormone; Humans; Luteinizing Hormone; Menopause; Middle Aged; Pregnenolone; Testosterone; Thyroid (USP); Thyroid Hormones | 1983 |
Hormonal changes during the perinatal period: FSH, prolactin and some steroid hormones in the cord blood and peripheral serum of preterm and fullterm female infants.
Topics: Androstenedione; Female; Fetal Blood; Follicle Stimulating Hormone; Humans; Hydroxyprogesterones; Infant, Newborn; Infant, Premature; Male; Pregnenolone; Progesterone; Prolactin; Sex Characteristics; Testosterone | 1984 |
Long-term effects of endocrine treatment on serum steroids in advanced prostatic carcinoma patients.
Topics: Aged; Androstenedione; Androsterone; Castration; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Humans; Hydroxyprogesterones; Male; Middle Aged; Organophosphorus Compounds; Pregnenolone; Progesterone; Prostatic Neoplasms; Steroids; Testosterone | 1980 |
In-vitro synthesis of androgen from pregnenolone in the testes of the goat (Capra hircus) and identification of 5-pregnene-3beta,17alpha,20alpha-triol as an intermediate in the metabolic pathway of pregnenolone.
Topics: 17-alpha-Hydroxypregnenolone; 20-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androgens; Androstenedione; Animals; Cell-Free System; Dehydroepiandrosterone; Goats; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenes; Pregnenolone; Progesterone; Testis; Testosterone | 1980 |
Metabolism of steroids by mouse teratocarcinoma cells.
Topics: Androstenedione; Animals; Cells, Cultured; Dehydroepiandrosterone; Estradiol; Fibroblasts; Kinetics; Mice; Neoplasms, Experimental; Pregnenolone; Progesterone; Steroids; Teratoma | 1980 |
Hormone synthesis by primary breast carcinomas and prognosis in human breast cancer.
Topics: Androgens; Androstenedione; Breast Neoplasms; Dehydroepiandrosterone; Female; Humans; Neoplasm Staging; Pregnenolone; Progesterone; Prognosis; Recurrence | 1980 |
Age-related changes in endogenous steroids of human fetal testis during early and midpregnancy.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Gestational Age; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Progestins; Testis; Testosterone | 1981 |
Steroid metabolism in the yolk sac placenta and endometrium of the tammar wallaby, Macropus eugenii.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Endometrium; Estrogens; Female; In Vitro Techniques; Macropodidae; Marsupialia; Organ Size; Pregnancy; Pregnenolone; Progesterone; Testosterone; Yolk Sac | 1980 |
Side-chain cleavage of C21 steroids to C19 steroids by testicular microsomal cytochrome P-450: 17alpha-hydroxy C21 steroids as obligatory intermediates.
Topics: 17-alpha-Hydroxypregnenolone; Androgens; Androstenedione; Animals; Cytochrome P-450 Enzyme System; Dehydroepiandrosterone; Hydroxyprogesterones; Male; Microsomes; Pregnenolone; Progesterone; Swine; Testis | 1981 |
Comparative rates of formation, in vivo, of 16-androstenes, testosterone and androstenedione in boar testis.
Topics: Androstadienes; Androstenedione; Androstenes; Androstenols; Animals; Chorionic Gonadotropin; Male; Pregnenolone; Swine; Testis; Testosterone; Time Factors | 1984 |
Inhibition of testosterone biosynthesis by ethanol: relation to the pregnenolone-to-testosterone pathway.
Topics: 17-alpha-Hydroxyprogesterone; Alcoholic Intoxication; Androstenedione; Animals; Ethanol; Fomepizole; Humans; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Pyrazoles; Rats; Testis; Testosterone | 1984 |
Serum levels of testosterone precursors, testosterone and estradiol in 10 animal species.
Topics: Androstenediols; Androstenedione; Animals; Cats; Cattle; Deer; Dogs; Estradiol; Guinea Pigs; Horses; Male; Pregnenolone; Progesterone; Rabbits; Rats; Sheep; Species Specificity; Swine; Testosterone | 1984 |
Reevaluation of the effects of cytochalasins on steroidogenesis: studies on hamster granulosa cells.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Caprylates; Cricetinae; Cytochalasin B; Cytochalasin D; Cytochalasins; Estrogens; Female; Granulosa Cells; Hydroxycholesterols; Luteinizing Hormone; Mesocricetus; Pregnenolone; Progesterone | 1984 |
[Biochemical analysis of metabolic processes of the oocyte and preimplantation embryos during fertilization and implantation].
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Arachidonic Acids; Embryonic Development; Female; Fertilization; Humans; Mice; Mice, Inbred ICR; Oocytes; Plasminogen Activators; Pregnancy; Pregnenolone; Rabbits; Rats; Rats, Inbred Strains | 1984 |
The presence of steroids in larval and mature brook lampreys (Lampetra planeri Bloch).
Topics: Androstenedione; Animals; Female; Fishes; Lampreys; Larva; Male; Pregnenolone; Steroids; Testosterone | 1984 |
Steroid production by isolated theca and granulosa cells after initiation of atresia in the hamster.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Cricetinae; Estradiol; Female; Gonadotropins, Equine; Granulosa Cells; Hydroxyprogesterones; Hypophysectomy; Immune Sera; Mesocricetus; Pregnenolone; Progesterone; Theca Cells | 1984 |
Preparation and steroidogenic properties of purified zona fasciculata and zona reticularis cells from the guinea-pig adrenal gland.
Topics: Adrenal Glands; Androstenedione; Animals; Cell Separation; Cells, Cultured; Female; Guinea Pigs; Hydrocortisone; Microscopy, Electron; Pregnenediones; Pregnenolone | 1983 |
Interrelation between luteal cell types in steroidogenesis in vitro of human corpus luteum.
Topics: Androstenedione; Carbon Radioisotopes; Corpus Luteum; Estrogens; Female; Humans; Kinetics; Menstruation; Ovarian Neoplasms; Pregnenolone; Progestins; Uterine Neoplasms | 1983 |
Kinetic studies of the applicability of the common site concept to the 3 beta-hydroxysteroid dehydrogenase: 5-ene-3-ketosteroid isomerase activities of human placental microsomes.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Binding Sites; Female; Humans; Hydrogen Peroxide; Isomerases; Kinetics; Microsomes; Placenta; Pregnancy; Pregnenolone; Steroid Isomerases | 1982 |
Intratesticular and plasma steroid profiles in fertile and infertile men.
Topics: Adult; Androstenedione; Biopsy; Dihydrotestosterone; Humans; Hydroxyprogesterones; Infertility, Male; Male; Pregnenolone; Steroids; Testis; Testosterone; Vasectomy | 1982 |
Effects of cyproterone on the steroid biosynthesis in the human ovary in vitro.
Topics: Androgens; Androstenedione; Cyproterone; Estradiol; Estrogens; Estrone; Female; Humans; Hydroxyprogesterones; Ovary; Pregnenolone; Progesterone; Progestins | 1982 |
Steroid metabolism by purified adult rat Leydig cells in primary culture.
Topics: Androgens; Androstenedione; Animals; Cells, Cultured; Chorionic Gonadotropin; Dihydrotestosterone; Kinetics; Leydig Cells; Male; Pregnenolone; Rats; Rats, Inbred Strains; Testosterone; Tritium | 1982 |
Response of peripheral serum sex steroids and some of their precursors to a single injection of hCG in adult men.
Topics: Adult; Androstenedione; Androsterone; Chorionic Gonadotropin; Circadian Rhythm; Dihydrotestosterone; Estradiol; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Testosterone | 1980 |
Effect of medrogestone on conversions of pregnenolone and 17 alpha-hydroxypregnenolone in rat testis.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Male; Medrogestone; Pregnadienes; Pregnenolone; Progesterone; Rats; Testis; Testosterone | 1981 |
Oestrogen synthesis by bovine foetal placenta at normal parturition.
Topics: Androstenedione; Animals; Cattle; Culture Techniques; Estradiol; Estrogens; Estrone; Female; Labor, Induced; Labor, Obstetric; Placenta; Pregnancy; Pregnenolone | 1981 |
In vitro oestrogen synthesis by bovine placenta during pregnancy and induced parturition.
Topics: Androstenedione; Animals; Cattle; Culture Techniques; Estradiol; Estrogens; Estrone; Female; Labor, Induced; Placenta; Pregnancy; Pregnenolone | 1981 |
Effect of steroids on oocyte maturation and atresia in mouse ovarian fragments in vitro.
Topics: Androstenedione; Animals; Culture Media; Culture Techniques; Estradiol; Female; Gonadal Steroid Hormones; Meiosis; Mice; Oocytes; Ovarian Follicle; Ovum; Pregnenolone; Progesterone; Testosterone | 1980 |
Correlation between changes in enzymatic activities and induction of different forms of rat liver microsomal cytochrome P-450 after phenobarbital-, 3-methylcholanthrene- and 16 alpha-cyanopregnenolone treatment.
Topics: Androstane-3,17-diol; Androstenedione; Animals; Benzopyrenes; Biphenyl Compounds; Cytochrome P-450 Enzyme System; Electrophoresis, Polyacrylamide Gel; Enzyme Induction; Male; Methylcholanthrene; Microsomes, Liver; Molecular Weight; Organ Size; Phenobarbital; Pregnenolone; Rats | 1980 |
In vitro conversion of steroid hormones in bovine ovarian follicles.
Topics: Androgens; Androstenedione; Animals; Cattle; Dihydrotestosterone; Estradiol; Estrogens; Estrone; Female; Ovarian Follicle; Pregnenolone; Progesterone; Progestins; Testosterone; Tritium | 1980 |
Medical adrenalectomy may replace surgery for advanced breast cancer.
Topics: Adipose Tissue; Adrenal Glands; Adrenalectomy; Aminoglutethimide; Androstenedione; Breast Neoplasms; Cholesterol; Estradiol; Estrogen Antagonists; Female; Humans; Pregnenolone | 1980 |
Simultaneous radioimmunoassay of progestins, androgens and estrogens in rat testis.
Topics: Androgens; Androstenedione; Animals; Dihydrotestosterone; Estradiol; Estrogens; Estrone; Hydroxyprogesterones; Male; Pregnenolone; Progesterone; Progestins; Radioimmunoassay; Rats; Testis; Testosterone | 1980 |
Testosterone and some of its precursors and metabolites in the human epididymis.
Topics: Aged; Androstane-3,17-diol; Androstenedione; Androsterone; Dihydrotestosterone; Epididymis; Estrogens; Humans; Hydroxyprogesterones; Male; Middle Aged; Pregnenolone; Progesterone; Prostatic Neoplasms; Testis; Testosterone; Vas Deferens | 1980 |
Acetaldehyde directly inhibits the conversion of androstenedione to testosterone in the testes.
Topics: Acetaldehyde; Androstenedione; Animals; Biotransformation; Ethanol; In Vitro Techniques; Male; Pregnenolone; Progesterone; Rats; Testis; Testosterone | 1980 |
Effects of steroids on mouse oocyte maturation in vitro.
Topics: Androstenedione; Animals; Cells, Cultured; Depression, Chemical; Dihydrotestosterone; Estradiol; Estrone; Female; Mice; Oocytes; Ovum; Pregnenolone; Progesterone; Steroids; Testosterone | 1980 |
Testicular steroidogenesis in the Cebus monkey throughout postnatal development.
Topics: Androstenedione; Animals; Cebus; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Male; Pregnenolone; Progesterone; Sexual Maturation; Steroids; Testis; Testosterone | 1995 |
Newly hatched chick ovarian cell subpopulations metabolize distinctively progestin and androgen precursors.
Topics: Androgens; Androstenedione; Animals; Cell Separation; Centrifugation, Density Gradient; Chickens; Dehydroepiandrosterone; Female; Hydroxysteroid Dehydrogenases; Ovary; Pregnenolone; Progestins; Steroid Hydroxylases; Testosterone | 1995 |
Estrogen production by bovine binucleate and mononucleate trophoblastic cells in vitro.
Topics: Androstenedione; Animals; Cattle; Cells, Cultured; Culture Media; Estradiol; Estrogens; Estrone; Female; Hydrocortisone; Pregnenolone; Progesterone; Testosterone; Trophoblasts | 1994 |
The role of cytochrome b5 in the biosynthesis of androgens by human P450c17.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Aldehyde-Lyases; Androgens; Androstenedione; Cell Membrane; Cytochrome P-450 Enzyme System; Cytochromes b5; Dehydroepiandrosterone; Escherichia coli; Humans; Hydroxyprogesterones; Kinetics; Pregnenolone; Progesterone; Recombinant Proteins; Steroid 17-alpha-Hydroxylase | 1995 |
Androgen biosynthesis in the stomach: expression of cytochrome P450 17 alpha-hydroxylase/17,20-lyase messenger ribonucleic acid and protein, and metabolism of pregnenolone and progesterone by parietal cells of the rat gastric mucosa.
Topics: Androgens; Androstenedione; Animals; Base Sequence; Cholesterol Side-Chain Cleavage Enzyme; Cytochrome P-450 Enzyme System; Female; Gastric Mucosa; Gene Expression; Male; Molecular Sequence Data; Parietal Cells, Gastric; Pregnenolone; Progesterone; Rats; Rats, Sprague-Dawley; RNA, Messenger; Steroid 17-alpha-Hydroxylase; Testosterone | 1995 |
Relative roles of theca and granulosa cells in ovarian follicular steroidogenesis in the amphibian, Rana nigromaculata.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Estradiol; Female; Granulosa Cells; Hydroxyprogesterones; Oocytes; Organ Culture Techniques; Ovarian Follicle; Pituitary Gland; Pregnenolone; Progesterone; Radioimmunoassay; Ranidae; Steroids; Testosterone; Theca Cells; Tissue Extracts | 1994 |
Site of macrophage inhibition of luteinizing hormone-stimulated testosterone production by purified leydig cells.
Topics: Androstenedione; Animals; Bucladesine; Cholera Toxin; Culture Media, Conditioned; Dehydroepiandrosterone; Hydroxycholesterols; Kinetics; Leydig Cells; Luteinizing Hormone; Macrophages; Male; Pregnenolone; Rats; Rats, Sprague-Dawley; Testis; Testosterone | 1994 |
Steroidogenic shift by cultured ovarian follicles of Rana dybowskii at breeding season.
Topics: 17-alpha-Hydroxyprogesterone; Analysis of Variance; Androstenedione; Animals; Culture Techniques; Female; Hibernation; Hydroxyprogesterones; Ovarian Follicle; Pregnenolone; Progesterone; Radioimmunoassay; Ranidae; Reproduction; Seasons; Testosterone | 1993 |
Steroid synthesis by equine conceptuses between days 7 and 14 and endometrial steroid metabolism.
Topics: 17-alpha-Hydroxyprogesterone; Analysis of Variance; Androstenedione; Anestrus; Animals; Chromatography, High Pressure Liquid; Culture Techniques; Embryo, Mammalian; Endometrium; Estradiol; Estrus; Female; Hormones; Horses; Hydroxyprogesterones; Pregnancy; Pregnenolone | 1993 |
Changes in the activities of steroidogenic enzymes during the development of ovarian follicles in Rana nigromaculata.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Aromatase; Cells, Cultured; Estradiol; Female; Hydroxyprogesterones; Ovarian Follicle; Pregnenolone; Progesterone; Radioimmunoassay; Ranidae; Testosterone | 1993 |
Tetrapropylammonium perruthenate as a mild and efficient oxidant for sensitive steroidal alcohols.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Alcohols; Androstenedione; Cyclic N-Oxides; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Hydroxyprogesterones; Ketones; Morpholines; Organometallic Compounds; Oxidants; Oxidation-Reduction; Pregnenediones; Pregnenolone; Quaternary Ammonium Compounds; Ruthenium; Steroids | 1993 |
Successful treatment of vitiligo with a sex steroid-thyroid hormone mixture.
Topics: Administration, Oral; Aged; Androstenediol; Androstenedione; Cytoplasmic Granules; Dermatologic Agents; Drug Combinations; Estrone; Female; Humans; Keratinocytes; Male; Melanins; Melanocytes; Middle Aged; Pregnenolone; Skin Pigmentation; Tablets; Testosterone; Thyroid (USP); Vitiligo | 1995 |
3 beta-hydroxysteroid dehydrogenase/isomerase and aromatase activity in primary cultures of developing zebra finch telencephalon: dehydroepiandrosterone as substrate for synthesis of androstenedione and estrogens.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Birds; Cells, Cultured; Dehydroepiandrosterone; Estrogen Antagonists; Estrogens; Fadrozole; Female; In Vitro Techniques; Male; Pregnenolone; Progesterone; Telencephalon; Time Factors | 1996 |
Steroid metabolism in theca externa cells from preovulatory follicles of domestic hen (Gallus domesticus).
Topics: Androstenedione; Animals; Chickens; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Ovarian Follicle; Ovulation; Pregnenolone; Progesterone; Steroids; Testosterone; Theca Cells | 1996 |
Direct inhibitions of the activities of steroidogenic cytochrome P-450 mono-oxygenase systems by anticonvulsants.
Topics: Adrenodoxin; Androstenedione; Animals; Anticonvulsants; Aromatase; Cattle; Cholesterol; Cholesterol Side-Chain Cleavage Enzyme; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Desoxycorticosterone; Estrogens; Estrone; Female; Ferredoxin-NADP Reductase; Humans; Male; Microsomes; NADH, NADPH Oxidoreductases; NADPH-Ferrihemoprotein Reductase; Placenta; Pregnancy; Pregnenolone; Progesterone; Rats; Steroid 11-beta-Hydroxylase; Steroid 17-alpha-Hydroxylase; Steroid 21-Hydroxylase; Steroids; Testis | 1997 |
Ovarian granulosa and theca interstitial cells: a morphological and physiological analysis in guanethidine denervated rats at pre-puberty.
Topics: Adrenergic Antagonists; Androstenedione; Animals; Estradiol; Female; Granulosa Cells; Guanethidine; Immunohistochemistry; Ovary; Pineal Gland; Pregnenolone; Progesterone; Rats; Rats, Wistar; Sexual Maturation; Sympathectomy, Chemical; Theca Cells | 1997 |
Marked decline in serum concentrations of adrenal C19 sex steroid precursors and conjugated androgen metabolites during aging.
Topics: 17-Hydroxysteroid Dehydrogenases; Adult; Aged; Aged, 80 and over; Aging; Androgens; Androstenediol; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dihydrotestosterone; Female; Gonadal Steroid Hormones; Humans; Male; Middle Aged; Pregnenolone; Protein Precursors; Reference Values | 1997 |
Specific effect of arachidonic acid on 17beta-hydroxysteroid dehydrogenase in rat Leydig cells.
Topics: 17-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androstenediol; Androstenedione; Animals; Arachidonic Acid; Cholesterol; Hydroxycholesterols; Leydig Cells; Male; Pregnenolone; Rats; Rats, Sprague-Dawley; Testosterone | 1998 |
Androstenedione and progesterone production in vitro by the inner or the outer theca cells in preovulatory follicles of gonadotropin stimulated calves.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Cattle; Cells, Cultured; Chorionic Gonadotropin; Dehydroepiandrosterone; Female; Hydroxycholesterols; Ovarian Follicle; Ovulation; Pregnenolone; Progesterone; Theca Cells; Time Factors | 1998 |
Steroid metabolism in granulosa and theca interna cells from preovulatory follicles of domestic hen (Gallus domesticus).
Topics: Androstenedione; Animals; Chickens; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Granulosa Cells; Ovarian Follicle; Pregnenolone; Progesterone; Radionuclide Imaging; Steroids; Testosterone; Theca Cells | 1998 |
Pregnenolone and progesterone metabolism by the testes of Bufo arenarum.
Topics: 5-alpha-Dihydroprogesterone; Androgens; Androstenediol; Androstenedione; Animals; Bufo arenarum; Carbon Radioisotopes; Dehydroepiandrosterone; In Vitro Techniques; Male; Pregnanediones; Pregnenolone; Progesterone; Testis; Testosterone; Tritium | 1998 |
Regulation of steroidogenesis in jc-410, a stable cell line of porcine granulosa origin.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cell Line; Cholera Toxin; Cholesterol Side-Chain Cleavage Enzyme; Colforsin; Cyclic AMP; Cyclic AMP-Dependent Protein Kinases; Estradiol; Female; Granulosa Cells; Hydroxycholesterols; Kinetics; Pregnenolone; Progesterone; Swine; Transcription, Genetic | 1999 |
Immunohistochemical study of ACTH and alpha-MSH in vitiligo patients successfully treated with a sex steroid-thyroid hormone mixture.
Topics: Adrenocorticotropic Hormone; Aged; alpha-MSH; Androstenediol; Androstenedione; Drug Combinations; Estrone; Female; Humans; Immunohistochemistry; Keratinocytes; Male; Melanocytes; Middle Aged; Pregnenolone; Testosterone; Thyroid (USP); Vitiligo | 1999 |
Biotransformation XLVII: transformations of 5-ene steroids in Fusarium culmorum culture.
Topics: Androstenedione; Androstenols; Biotransformation; Chromatography, Gas; Dehydroepiandrosterone; Fusarium; Hydroxylation; Magnetic Resonance Spectroscopy; Pregnenolone; Steroids | 1999 |
Inhibition of rat testicular androgenesis by a polychlorinated biphenyl mixture aroclor 1248.
Topics: 17-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androgens; Androstenedione; Animals; Aroclors; Chorionic Gonadotropin; Dihydrotestosterone; Enzyme Inhibitors; Male; Pregnenolone; Progesterone; Rats; Rats, Wistar; Steroid 17-alpha-Hydroxylase; Testis; Testosterone | 2000 |
Adrenocortical hyperresponsivity to adrenocorticotropic hormone: a mechanism favoring the normal production of cortisol in 21-hydroxylase-deficient nonclassic adrenal hyperplasia.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Cortex; Adrenal Hyperplasia, Congenital; Adrenocorticotropic Hormone; Adult; Androstenedione; Case-Control Studies; Cortodoxone; Dehydroepiandrosterone; Female; Hirsutism; Humans; Hydrocortisone; Pregnenolone; Progesterone; Prospective Studies; Steroid 21-Hydroxylase | 2000 |
Sex steroids and parasitism: Taenia crassiceps cisticercus metabolizes exogenous androstenedione to testosterone in vitro.
Topics: Androstenedione; Animals; Chromatography, Thin Layer; Crystallization; Cysticercus; Female; Male; Pregnenolone; Radioimmunoassay; Sex Characteristics; Testosterone | 2000 |
Stimulation of pregnenolone metabolism and aromatase activity by luteinizing hormone in mouse uterus.
Topics: Androstenedione; Animals; Aromatase; Chromatography, High Pressure Liquid; Desoxycorticosterone; Diestrus; Female; Luteinizing Hormone; Mice; Ovariectomy; Pregnenes; Pregnenolone; Progesterone; Sheep; Uterus | 2000 |
Follicle-stimulating hormone regulates steroidogenic enzymes in cultured cells of the chick embryo ovary.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Cells, Cultured; Chick Embryo; Cholesterol Side-Chain Cleavage Enzyme; Chorionic Gonadotropin; Dehydroepiandrosterone; Estrone; Female; Follicle Stimulating Hormone; Gene Expression Regulation, Enzymologic; Humans; Ovary; Pregnenolone; Progesterone; Recombinant Proteins; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Steroids; Testosterone; Time Factors; Tritium | 2001 |
Possible involvement of ceramide in the regulation of rat Leydig cell function.
Topics: 17-alpha-Hydroxyprogesterone; Amidohydrolases; Androstenedione; Animals; Bucladesine; Ceramidases; Ceramides; Cholesterol; Chorionic Gonadotropin; Cyclic AMP; In Vitro Techniques; Interleukin-1; Leydig Cells; Male; Pregnenolone; Rats; Rats, Sprague-Dawley; Signal Transduction; Testosterone; Tumor Necrosis Factor-alpha | 2000 |
Leukemia inhibitory factor antagonizes gonadotropin induced-testosterone synthesis in cultured porcine leydig cells: sites of action.
Topics: Androstenedione; Animals; Cells, Cultured; Cholera Toxin; Cholesterol; Chorionic Gonadotropin; Colforsin; Cyclic AMP; Dehydroepiandrosterone; Dinoprostone; Gene Expression; Growth Inhibitors; Hydroxycholesterols; Interleukin-6; Leukemia Inhibitory Factor; Leukemia Inhibitory Factor Receptor alpha Subunit; Leydig Cells; Luteinizing Hormone; Lymphokines; Male; Mitochondria; Phosphoproteins; Pregnenolone; Receptors, Cytokine; Receptors, OSM-LIF; RNA, Messenger; Swine; Testis; Testosterone | 2001 |
Successful treatment of non-segmental vitiligo: systemic therapy with sex hormone-thyroid powder mixture.
Topics: Adult; Aged; alpha-MSH; Androstenediol; Androstenedione; Drug Combinations; Drug Resistance; Estrone; Female; Humans; Male; Melanocytes; Middle Aged; Pregnenolone; Sex Characteristics; Skin Pigmentation; Testosterone; Thyroid (USP); Time Factors; Vitiligo | 2000 |
Hormonal steroidogenesis in liver and small intestine of the green frog, Rana esculenta L.
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Androstenediol; Androstenedione; Animals; Autoradiography; Cholesterol; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Intestine, Small; Liver; Male; Mitochondria, Liver; Pregnenolone; Progesterone; Rana esculenta; Sex Factors | 2001 |
Blood steroid profile and in vitro steroidogenesis by ovarian follicles and testis fragments of adult sea lamprey, Petromyzon marinus.
Topics: Androgens; Androstenedione; Animals; Chromatography, High Pressure Liquid; Culture Techniques; Estradiol; Estrogens; Female; Gonadal Steroid Hormones; Hydroxylation; Hydroxysteroid Dehydrogenases; Lampreys; Male; Ovarian Follicle; Pregnenolone; Sex Characteristics; Testis; Testosterone; Tritium | 2003 |
Serum levels of pregnenolone and 17-hydroxypregnenolone in patients with rheumatoid arthritis and systemic lupus erythematosus: relation to other adrenal hormones.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adrenal Cortex; Adult; Aged; Androstenedione; Arthritis, Rheumatoid; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Humans; Hydrocortisone; Lupus Erythematosus, Systemic; Male; Middle Aged; Pregnenolone; Progesterone | 2003 |
Steroidogenesis in the human fetal testis: the conversion of pregnenolone-7alpha-H3 to dehydroepiandrosterone, testosterone and 4-androstene-3,17-dione.
Topics: Androgens; Androstenedione; Androstenes; Dehydroepiandrosterone; Fetus; Humans; Lipid Metabolism; Male; Pregnenolone; Testis; Testosterone | 1961 |
Antisteroidogenic actions of hydrogen peroxide on rat Leydig cells.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Androstenedione; Animals; Cholesterol Side-Chain Cleavage Enzyme; Colforsin; Dihydrotestosterone; Dose-Response Relationship, Drug; Enzyme Inhibitors; Hydrogen Peroxide; Hydroxycholesterols; Leydig Cells; Male; Oxidants; Phosphoproteins; Pregnenolone; Progesterone; Rats; Rats, Sprague-Dawley; Spermatozoa; Testosterone | 2003 |
Expression of enzyme associated with steroid hormone synthesis and local production of steroid hormone in endometrial carcinoma cells.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Aromatase; Carcinoma; Cell Line, Tumor; Cholesterol Side-Chain Cleavage Enzyme; Endometrial Neoplasms; Female; Gene Expression; Humans; Phosphoproteins; Pregnenolone; Progesterone; Reverse Transcriptase Polymerase Chain Reaction; Steroid 17-alpha-Hydroxylase; Transfection | 2004 |
Serum androgen levels in healthy premenopausal women with and without sexual dysfunction: Part B: Reduced serum androgen levels in healthy premenopausal women with complaints of sexual dysfunction.
Topics: Adrenal Glands; Adrenocorticotropic Hormone; Adult; Age Factors; Androgens; Androstenedione; Case-Control Studies; Dehydroepiandrosterone Sulfate; Female; Humans; Libido; Middle Aged; Ovary; Pregnenolone; Premenopause; Progesterone; Reference Values; Sexual Dysfunctions, Psychological; Surveys and Questionnaires; Testosterone | 2004 |
Evidence for 15alpha- and 7alpha-hydroxylase activity in gonadal tissue of the early-life stages of sea lampreys, Petromyzon marinus.
Topics: Androstenedione; Animals; Aryl Hydrocarbon Hydroxylases; Estradiol; Female; Hydroxytestosterones; Larva; Male; Metamorphosis, Biological; Ovary; Petromyzon; Pregnenolone; Progesterone; Steroid Hydroxylases; Testis | 2004 |
Adrenal response to adrenocorticotropic hormone stimulation in patients with premenstrual syndrome.
Topics: Adolescent; Adrenal Cortex; Adrenal Cortex Function Tests; Adrenocorticotropic Hormone; Adult; Androstenedione; Case-Control Studies; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dexamethasone; Estradiol; Female; Follicular Phase; Humans; Hydrocortisone; Luteal Phase; Pregnanolone; Pregnenolone; Premenstrual Syndrome; Progesterone; Testosterone | 2004 |
Enzymic conversion of 3beta-hydroxy-5-ene-steroids and their sulfates to 3-oxo-4-ene-steroids for increasing sensitivity in LC-APCI-MS.
Topics: Androstenedione; Chemistry, Pharmaceutical; Cholesterol Oxidase; Chromatography, Liquid; Dehydroepiandrosterone; Drug Industry; Humans; Mass Spectrometry; Pregnenolone; Progesterone; Sensitivity and Specificity; Steroids; Sulfates; Testosterone; Time Factors | 2005 |
Hormonally active nontransformed human ovarian cell culture from oophorectomy specimens: methods of development and initial characterization.
Topics: 3-Hydroxysteroid Dehydrogenases; Adult; Androstenedione; Aromatase; Cells, Cultured; Estradiol; Female; Follicle Stimulating Hormone; Humans; Immunohistochemistry; Insulin; Luteinizing Hormone; Middle Aged; Ovariectomy; Ovary; Pregnenolone; Progesterone; Steroid 17-alpha-Hydroxylase; Testosterone | 2005 |
Gonadotropin stimulation of steroid synthesis and metabolism in the Rana pipiens ovarian follicle: sequential changes in endogenous steroids during ovulation, fertilization and cleavage stages.
Topics: 17-alpha-Hydroxyprogesterone; Acetates; Androstenedione; Animals; Blastula; Cleavage Stage, Ovum; Female; Fertilization; Gonadotropins; Male; Oocytes; Ovarian Follicle; Ovulation; Pregnanediol; Pregnanediones; Pregnenolone; Progesterone; Rana pipiens; Steroids; Subcellular Fractions | 2006 |
The pesticide heptachlor affects steroid hormone secretion in isolated follicular and luteal cells of rat.
Topics: Androstenedione; Animals; Cells, Cultured; Estradiol; Female; Heptachlor; Insecticides; Luteal Cells; Ovarian Follicle; Pregnenolone; Progesterone; Rats; Rats, Sprague-Dawley | 2006 |
Adrenal steroid concentrations in children seven to seventeen years of age.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Glands; Age Factors; Analysis of Variance; Androstenedione; Child; Chromatography, High Pressure Liquid; Cortodoxone; Dehydroepiandrosterone Sulfate; Female; Humans; Immunoassay; Male; Pregnenolone; Puberty; Sex Factors; Sexual Maturation; Steroids; Tandem Mass Spectrometry; Testosterone | 2007 |
Baeyer-Villiger oxidation of DHEA, pregnenolone, and androstenedione by Penicillium lilacinum AM111.
Topics: Androstenedione; Biotransformation; Dehydroepiandrosterone; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Penicillium; Pregnenolone; Testolactone | 2008 |
Routine method for the simultaneous quantification of 17alpha-hydroxyprogesterone, testosterone, dehydroepiandrosterone, androstenedione, cortisol, and pregnenolone in human serum of neonates using gas chromatography-mass spectrometry.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Female; Gas Chromatography-Mass Spectrometry; Humans; Hydrocortisone; Immunoassay; Infant, Newborn; Male; Pregnenolone; Reference Standards; Testosterone | 2008 |
Studies on Baeyer-Villiger oxidation of steroids: DHEA and pregnenolone D-lactonization pathways in Penicillium camemberti AM83.
Topics: Androstenedione; Androsterone; Dehydroepiandrosterone; Lactones; Oxidation-Reduction; Penicillium; Pregnenolone; Progesterone | 2009 |
Simple methodology coupling microwave-assisted extraction to SPE/GC/MS for the analysis of natural steroids in biological tissues: application to the monitoring of endogenous steroids in marine mussels Mytilus sp.
Topics: Androstenedione; Animals; Bivalvia; Estradiol; France; Gas Chromatography-Mass Spectrometry; Limit of Detection; Lipids; Microwaves; Mytilus; Pregnenolone; Progesterone; Solid Phase Extraction; Steroids; Temperature; Testosterone | 2010 |
Evidence of limited contributions for intratumoral steroidogenesis in prostate cancer.
Topics: 3-Hydroxysteroid Dehydrogenases; 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Aged; Aged, 80 and over; Aldo-Keto Reductase Family 1 Member C3; Androgens; Androstenedione; Animals; Cell Line, Tumor; Dihydrotestosterone; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Neoplastic; Humans; Hydroxyprostaglandin Dehydrogenases; Male; Mice; Middle Aged; Neoplasms, Experimental; Orchiectomy; Pregnenolone; Progesterone Reductase; Prostatic Neoplasms; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Steroid 17-alpha-Hydroxylase; Testosterone; Transplantation, Heterologous | 2010 |
Intratumoral de novo steroid synthesis activates androgen receptor in castration-resistant prostate cancer and is upregulated by treatment with CYP17A1 inhibitors.
Topics: Androstenedione; Androstenes; Androstenols; Animals; Antineoplastic Agents, Hormonal; Carcinoma; Cell Line, Tumor; Dehydroepiandrosterone; Female; Humans; Indomethacin; Male; Mice; Orchiectomy; Pregnenolone; Progesterone; Prostatic Neoplasms; Receptors, Androgen; Steroid 17-alpha-Hydroxylase; Up-Regulation | 2011 |
Variation in 3β-hydroxysteroid dehydrogenase activity and in pregnenolone supply rate can paradoxically alter androstenedione synthesis.
Topics: 3-Hydroxysteroid Dehydrogenases; Algorithms; Androstenedione; Animals; Cattle; Computer Simulation; Humans; Kinetics; Metabolic Networks and Pathways; Models, Chemical; Pregnenolone; Progesterone; Sheep; Steroid 17-alpha-Hydroxylase | 2012 |
Effects of phthalates on 3β-hydroxysteroid dehydrogenase and 17β-hydroxysteroid dehydrogenase 3 activities in human and rat testes.
Topics: 17-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Endocrine Disruptors; Humans; Male; Phthalic Acids; Pregnenolone; Rats; Rats, Sprague-Dawley; Structure-Activity Relationship; Testis | 2012 |
Norepinephrine stimulates progesterone production in highly estrogenic bovine granulosa cells cultured under serum-free, chemically defined conditions.
Topics: Androstenedione; Animals; Cattle; Cells, Cultured; Cholesterol; Culture Media, Serum-Free; Estradiol; Female; Granulosa Cells; Microscopy, Electron; Norepinephrine; Pregnenolone; Progesterone | 2012 |
Free and sulfated steroids secretion in postpubertal boars (Sus scrofa domestica).
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estrone; Male; Pregnenolone; Sus scrofa; Swine; Testis; Testosterone | 2014 |
2β- and 16β-hydroxylase activity of CYP11A1 and direct stimulatory effect of estrogens on pregnenolone formation.
Topics: Androstenedione; Animals; Cattle; Cholesterol Side-Chain Cleavage Enzyme; Dehydroepiandrosterone; Desoxycorticosterone; Enzyme Assays; Escherichia coli; Estradiol; Estrone; Gene Expression; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Plasmids; Pregnenolone; Recombinant Proteins; Solutions; Substrate Specificity; Testosterone; Transformation, Bacterial | 2015 |
Exploratory study of the association of steroid profiles in stimulated ovarian follicular fluid with outcomes of IVF treatment.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Estradiol; Estrone; Female; Fertilization in Vitro; Follicular Fluid; Humans; Infertility, Female; Live Birth; Oocytes; Ovulation Induction; Pregnancy; Pregnenolone; Prospective Studies; Steroids; Tandem Mass Spectrometry; Testosterone; Young Adult | 2016 |
11-Oxygenated Androgens Are Biomarkers of Adrenal Volume and Testicular Adrenal Rest Tumors in 21-Hydroxylase Deficiency.
Topics: 17-alpha-Hydroxypregnenolone; Adolescent; Adrenal Glands; Adrenal Hyperplasia, Congenital; Adrenal Rest Tumor; Adult; Age Determination by Skeleton; Aged; Androgens; Androstenedione; Androstenes; Child; Child, Preschool; Cortodoxone; Cross-Sectional Studies; Female; Hirsutism; Humans; Hydroxytestosterones; Male; Menstruation Disturbances; Middle Aged; Organ Size; Pregnenolone; Testicular Neoplasms; Testosterone; Young Adult | 2017 |
In vitro and in vivo effect of flutamide on steroid hormone secretion in canine and human inflammatory breast cancer cell lines.
Topics: Androstenedione; Animals; Antineoplastic Agents, Hormonal; Breast Neoplasms; Cell Line, Tumor; Dihydrotestosterone; Dog Diseases; Dogs; Estradiol; Estrone; Female; Flutamide; Gonadal Steroid Hormones; Humans; Mammary Neoplasms, Animal; Mammary Neoplasms, Experimental; Mice; Mice, Inbred BALB C; Neoplasm Transplantation; Pregnenolone; Progesterone; Testosterone | 2018 |
Steroids, steroid precursors, and neuroactive steroids in critically ill equine neonates.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Animals, Newborn; Critical Illness; Horse Diseases; Horses; Hydrocortisone; Hypothalamic Diseases; Hypothalamo-Hypophyseal System; Pituitary-Adrenal System; Pregnenolone; Progesterone; Prognosis; Sepsis; Steroids | 2017 |
Equine fetal adrenal, gonadal and placental steroidogenesis.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Adrenal Cortex Hormones; Adrenal Glands; Androstenedione; Animals; Aromatase; Cholesterol Side-Chain Cleavage Enzyme; Dehydroepiandrosterone; Embryo, Mammalian; Female; Gene Expression Regulation, Developmental; Gene Expression Regulation, Enzymologic; Gestational Age; Gonadal Steroid Hormones; Horses; Male; Multienzyme Complexes; Ovary; Placenta; Pregnancy; Pregnenolone; Progesterone Reductase; Steroid 17-alpha-Hydroxylase; Steroid Isomerases; Testis | 2017 |
Bioconversion of 16-dehydropregnenolone Acetate to Exclusively 4-androstene-3,17-dione by Delftia acidovorans MTCC 3363.
Topics: Androstenedione; Biotransformation; Delftia acidovorans; Pregnenolone; Soil Microbiology | 2017 |
Abnormal steroidogenesis and aromatase activity in preeclampsia.
Topics: Adult; Androstenedione; Aromatase; Estradiol; Estriol; Estrogens; Estrone; Female; Humans; Mass Spectrometry; Placenta; Placenta Growth Factor; Pre-Eclampsia; Pregnancy; Pregnenolone; Vascular Endothelial Growth Factor Receptor-1; Young Adult | 2018 |
A cross-sectional survey of adrenal steroid hormones among overweight/obese boys according to puberty stage.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Cortex Hormones; Age Factors; Androstenedione; Child; Corticosterone; Cross-Sectional Studies; Dehydroepiandrosterone; Humans; Male; Organ Size; Overweight; Pediatric Obesity; Pregnenolone; Puberty; Puberty, Precocious; Sex Hormone-Binding Globulin; Testis; Testosterone | 2019 |
Steroid profile of porcine follicular fluid and blood serum: Relation with follicular development.
Topics: Androstenedione; Animals; Estradiol; Female; Follicular Fluid; Pregnenolone; Progesterone; Sexual Development; Swine | 2019 |
Mechanism of the Clinically Relevant E305G Mutation in Human P450 CYP17A1.
Topics: Androgens; Androstenedione; Catalytic Domain; Dehydroepiandrosterone; Humans; Hydrogen Bonding; Hydroxylation; Mutation; Polymorphism, Single Nucleotide; Pregnenolone; Progesterone; Spectrum Analysis, Raman; Steroid 17-alpha-Hydroxylase; Steroids; Substrate Specificity; Translocation, Genetic | 2021 |
High androgen concentrations in follicular fluid of polycystic ovary syndrome women.
Topics: Adipokines; Androgens; Androstenedione; Apelin; Cohort Studies; Desoxycorticosterone; Female; Follicular Fluid; Humans; Hyperandrogenism; Polycystic Ovary Syndrome; Pregnenolone; Resistin; Retrospective Studies; Testosterone | 2022 |
COVID-19 patients with altered steroid hormone levels are more likely to have higher disease severity.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Aldosterone; Androstenedione; Androsterone; Chromatography, Liquid; Corticosterone; Cortodoxone; COVID-19; Dehydroepiandrosterone Sulfate; Desoxycorticosterone; Dihydrotestosterone; Estradiol; Estrone; Humans; Hydrocortisone; Pregnenolone; Progesterone; Severity of Illness Index; Tandem Mass Spectrometry | 2022 |
Follicle isolation methods reveal plasticity of granulosa cell steroidogenic capacity during mouse in vitro follicle growth.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Alginates; Alkaline Phosphatase; Androgens; Androstenedione; Animals; Carrier Proteins; Dehydroepiandrosterone; Estradiol; Female; Granulosa Cells; Humans; Inhibins; Lyases; Mice; Pregnenolone; Progesterone; Theca Cells | 2022 |
Measurement of hair thyroid and steroid hormone concentrations in the rat evidence endocrine disrupting potential of a low dose mixture of polycyclic aromatic hydrocarbons.
Topics: Androstenedione; Animals; Corticosterone; Dehydroepiandrosterone; Female; Hair; Hydroxyprogesterones; Polycyclic Aromatic Hydrocarbons; Pregnenolone; Rats; Thyroid Gland; Thyroid Hormones; Thyronines | 2022 |