pregnenolone has been researched along with 20-alpha-dihydroprogesterone in 64 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 47 (73.44) | 18.7374 |
1990's | 9 (14.06) | 18.2507 |
2000's | 3 (4.69) | 29.6817 |
2010's | 3 (4.69) | 24.3611 |
2020's | 2 (3.13) | 2.80 |
Authors | Studies |
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Kollman, PA; Lee, DL; Marsh, FJ; Wolff, ME | 1 |
Beling, CG; Cederqvist, LL | 1 |
Antonichev, AV; Aso, T; Cekan, SZ; Diczfalusy, E; Goncharov, NP; Gorlushkin, VM; Taranov, AG | 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 |
Mori, T; Nishimura, T; Suzuki, A | 1 |
Chang, MC; Lau, IF; Saksena, SK | 1 |
Preslock, JP; Steinberger, E | 2 |
Buster, JE; Elsner, CW; Killam, AP; Preston, DL | 1 |
Hall, PF; Mrotek, JJ | 1 |
Carchman, RA; Harris, LS; Warner, W | 1 |
Abraham, GE; Buster, JE; Chang, RJ; Cousins, LM; Elashoff, RM; Hobel, CJ; Marshall, JR; Preston, DL | 1 |
Blaha, GC; Leavitt, WW | 1 |
Wiebe, JP | 1 |
Fukunishi, H; Mickan, H; Zander, J | 1 |
Adashi, EY; Hazum, E; Kokia, E; Payne, DW; Ricciarelli, E; Tedeschi, C | 1 |
Castro, O; Devoto, L; Kohen, P; Vega, M | 2 |
Roby, KF; Terranova, PF | 1 |
Komorowski, JI; Tsang, BK | 1 |
Dhont, M; Hinting, A; Serreyn, R; Vandekerckhove, D; Vanluchene, E | 1 |
Benitez, L; Centol, I; Déniz Cáceres, A; Estévez, F; Fanjul, LF; González, J; Llanes, L; Marrero, I; Quintana, J; Ruiz de Galarreta, CM | 1 |
Asem, EK; Li, M; Tsang, BK | 1 |
Hall, PF; Iida, S; Papadopoulos, V | 1 |
Asem, EK; Li, M; Mattice, DF; Tsang, BK | 1 |
Greeley, MS; Lin, YW; Petrino, TR; Selman, K; Wallace, RA | 1 |
Akiyama, T; Hashino, M; Kawamura, E; Kosaki, T; Mori, H; Nakayama, T; Yamaguchi, T; Yanaihara, T | 1 |
Lin, YW; Petrino, TR; Wallace, RA | 1 |
Browne, CA; Haji-Baba, AS; Jenkin, G; McMillen, IC; Thorburn, GD | 1 |
Betz, G; Hall, PF | 1 |
Demers, LM; Veldhuis, JD | 1 |
Takagi, K | 1 |
Duleba, AJ; Mari, N; Moon, YS; Yuen, BH | 1 |
Homma, K; Naito, K; Takahashi, M | 1 |
Jenkin, G; McKay, SA; Thorburn, GD | 1 |
Challis, JR; Lukash, L; Mitchell, BF | 1 |
Goldring, NB; Orly, J | 1 |
Duleba, AJ; Kim, KS; Moon, YS; Yuen, BH | 1 |
Veldhuis, JD | 1 |
Holt, JA; Schreiber, JR | 1 |
Bhatia, K; Mead, RA; Ravindra, R | 1 |
Hall, PF; Osawa, S; Thomasson, CL | 1 |
Bruce, NW; Henderson, KM; Willcox, DL | 1 |
Ekholm, C; Hedin, L; Hillensjö, T | 1 |
Albrecht, ED | 1 |
Nakayama, T; Sanai, Y; Suzuki, T; Yanaihara, T | 1 |
Greenwald, GS; Kim, I | 1 |
Arias, F; Diaz-Zagoya, JC | 1 |
Hammond, JM; Klase, PA; Strauss, JF; Veldhuis, JD | 1 |
Hosaka, M; Oshima, H; Troen, P | 1 |
Luu-The, V; Marrone, BL; Sridaran, R; Srivastava, RK | 1 |
Harris-Hooker, S; Luu-The, V; Marrone, BL; Sridaran, R; Srivastava, RK | 1 |
Amsterdam, A; Barkan, D; Dantes, A; Jia, H; Rubinstein, M; Vardimon, L | 1 |
Freeman, DA; Gocze, PM | 1 |
Belvedere, P; Carnevali, O; Colombo, L; Dalla Valle, L; Vianello, S | 1 |
Allen, WR; Mathias, SS; Skidmore, JA; van Aarde, RJ; Wooding, FB | 1 |
FORBES, TR; WIEST, WG | 1 |
Abbiati, F; Caruso, D; Cavaletti, G; Fusco, L; Giatti, S; Melcangi, RC; Romano, S | 1 |
Ball, BA; Berger, T; Conley, AJ; Legacki, EL; Scholtz, EL; Stanley, SD | 1 |
Balthazart, J; Cornil, CA; de Bournonville, MP; Keller, M; Liere, P; Pianos, A; Schumacher, M | 1 |
Deligiannidis, KM; Dubuke, ML; Kroll-Desrosiers, AR; Shaffer, SA; Tan, Y | 1 |
Avallone, R; Bellei, E; Bergamini, S; Ferrari, A; Monari, E; Rustichelli, C; Tomasi, A | 1 |
64 other study(ies) available for pregnenolone and 20-alpha-dihydroprogesterone
Article | Year |
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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 |
Progesterone metabolism in cultured amniotic fluid cells.
Topics: 20-alpha-Dihydroprogesterone; Amniotic Fluid; Cells, Cultured; Chromatography, Paper; Chromatography, Thin Layer; Humans; Pregnenolone; Progesterone; Progestins; Time Factors | 1978 |
Effect of stress on the profile of plasma steroids in baboons (Papio hamadryas).
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Animals; Dihydrotestosterone; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Haplorhini; Hydrocortisone; Hydroxyprogesterones; Immobilization; Male; Papio; Pregnenolone; Progesterone; Progestins; Radioimmunoassay; Radioligand Assay; Stress, Physiological; Testosterone | 1979 |
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 |
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 |
Periovulatory steroid concentrations in HCG-treated rabbits.
Topics: 20-alpha-Dihydroprogesterone; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Estrogens; Female; Ovary; Ovulation; Pregnenolone; Progesterone; Rabbits; Steroids | 1978 |
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 |
Interrelationships of circulating maternal steroid concentrations in third trimester pregnancies. III. Effect of intravenous cortisol infusion on maternal concentrations of estriol, 16 alpha-hydroxyprogesterone, 17 alpha-hydroxyprogesterone, progesterone,
Topics: 20-alpha-Dihydroprogesterone; Adrenal Cortex Hormones; Adult; Dehydroepiandrosterone; Estriol; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnancy; Pregnancy Trimester, Third; Pregnenolone; Progesterone | 1979 |
Response of adrenal tumor cells to adrenocorticotropin: site of inhibition by cytochalasin B.
Topics: 20-alpha-Dihydroprogesterone; Adrenal Gland Neoplasms; Adrenocorticotropic Hormone; Aminoglutethimide; Animals; Biological Transport; Bucladesine; Cholesterol; Cytochalasin B; Cytochrome P-450 Enzyme System; Drug Interactions; Mice; Mitochondria; Pregnenolone; Progesterone; Protein Biosynthesis | 1977 |
Inhibition of cortiocosteroidogenesis by delta-9-tetrahydrocannabinol.
Topics: 20-alpha-Dihydroprogesterone; Adrenocorticotropic Hormone; Cell Division; Cell Line; Cholera Toxin; Cyclic AMP; Cycloheximide; Dronabinol; Oxygen Consumption; Pregnenolone; Progesterone | 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 |
Interrelationships of circulating maternal steroid concentrations in third trimester pregnancies. I. C21 steroids: progesterone, 16 alpha-hydroxyprogesterone, 17 alpha-hydroxyprogesterone, 20 alpha-dihydroprogesterone, delta 5-pregnenolone, delta 5-pregne
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Female; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Pregnancy; Pregnancy Trimester, Third; Pregnenolone; Progesterone; Progestins; Time Factors | 1979 |
Deciduomal responses in the uteri of ovariectomized golden hamsters, comparing progesterone and three closely related steroids applied in utero.
Topics: 20-alpha-Dihydroprogesterone; Animals; Castration; Cricetinae; Decidua; Desoxycorticosterone; Drug Implants; Female; Mesocricetus; Pregnenolone; Progesterone; Uterus | 1978 |
Isolated Sertoli cells from immature rats produce 20alpha-hydroxy-pregn-4-en-3-one from progesterone and 3beta,20alpha-dihydroxy-5alpha-pregnane from pregnenolone.
Topics: 20-alpha-Dihydroprogesterone; Animals; Carbon Radioisotopes; Chromatography, Gas; Male; Pregnanediol; Pregnenolone; Progesterone; Rats; Sertoli Cells | 1978 |
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 |
Endothelin-1 as a luteinization inhibitor: inhibition of rat granulosa cell progesterone accumulation via selective modulation of key steroidogenic steps affecting both progesterone formation and degradation.
Topics: 20-alpha-Dihydroprogesterone; 3-Hydroxysteroid Dehydrogenases; Animals; Cells, Cultured; Cholesterol Side-Chain Cleavage Enzyme; Dose-Response Relationship, Drug; Endothelins; Female; Follicle Stimulating Hormone; Granulosa Cells; Lutein; Pregnanediol; Pregnenolone; Progesterone; Rats | 1992 |
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 |
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 |
Divergent effects of 1-oleoyl-2-acetylglycerol and tumor-promoting phorbol ester on rat granulosa cell steroidogenesis in vitro.
Topics: 20-alpha-Dihydroprogesterone; Animals; Bucladesine; Diglycerides; Dose-Response Relationship, Drug; Female; Follicle Stimulating Hormone; Glycerides; Granulosa Cells; In Vitro Techniques; Pregnenolone; Progesterone; Progestins; Rats; Tetradecanoylphorbol Acetate | 1990 |
Steroid determinations in human ovarian follicular fluid using capillary gas chromatography.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Adult; Chromatography, Gas; Estradiol; Estrogens; Estrone; Female; Follicular Fluid; Humans; Hydroxyprogesterones; Pregnenolone; Progesterone; Progestins | 1990 |
The androgen receptor does not mediate progestin regulation of progesterone biosynthesis in cultured rat granulosa cells.
Topics: 20-alpha-Dihydroprogesterone; Animals; Cyproterone; Cyproterone Acetate; Female; Follicle Stimulating Hormone; Granulosa Cells; In Vitro Techniques; Pregnenolone; Progesterone; Promegestone; Rats; Rats, Inbred Strains; Receptors, Androgen | 1989 |
Sodium-dependent regulation of steroidogenesis in rat granulosa cells: possible involvement of a Na+/H+ antiport.
Topics: 20-alpha-Dihydroprogesterone; Amiloride; Animals; Bucladesine; Carrier Proteins; Female; Follicle Stimulating Hormone; Granulosa Cells; Luteinizing Hormone; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Sodium; Sodium-Hydrogen Exchangers | 1989 |
The influence of exogenous free cholesterol on steroid synthesis in cultured adrenal cells.
Topics: 20-alpha-Dihydroprogesterone; Adrenal Glands; Bucladesine; Cell Membrane; Cells, Cultured; Cholesterol; Hydroxycholesterols; Mitochondria; Osmolar Concentration; Pregnenolone; Progesterone | 1989 |
Influence of A23187 and dibutyryl cyclic AMP on progestagen production by rat granulosa cells in vitro.
Topics: 20-alpha-Dihydroprogesterone; Animals; Bucladesine; Calcimycin; Cells, Cultured; Female; Follicle Stimulating Hormone; Granulosa Cells; Pregnenolone; Progesterone; Rats | 1989 |
Steroidogenesis in Fundulus heteroclitus. II. Production of 17 alpha-hydroxy-20 beta-dihydroprogesterone, testosterone, and 17 beta-estradiol by various components of the ovarian follicle.
Topics: 20-alpha-Dihydroprogesterone; Animals; Cells, Cultured; Culture Media; Cyprinodontiformes; Epithelial Cells; Epithelium; Estradiol; Female; Hydroxycholesterols; Killifishes; Ovary; Pituitary Gland; Pregnenolone; Progesterone; Testosterone; Tissue Extracts | 1989 |
[Serum concentrations of delta 5C21 steroids during pregnancy and at delivery].
Topics: 20-alpha-Dihydroprogesterone; Anencephaly; Chemical Phenomena; Chemistry; Female; Fetal Blood; Gas Chromatography-Mass Spectrometry; Humans; Labor, Obstetric; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Pregnenolone; Progesterone; Reference Standards; Umbilical Arteries; Umbilical Veins; Uterine Contraction | 1989 |
Steroidogenesis in Fundulus heteroclitus. I. Production of 17 alpha-hydroxy,20 beta-dihydroprogesterone, testosterone, and 17 beta-estradiol by prematurational follicles in vitro.
Topics: 20-alpha-Dihydroprogesterone; Aminoglutethimide; Animals; Culture; Cyprinodontiformes; Dihydrotestosterone; Estradiol; Female; Hydroxycholesterols; Killifishes; Ovarian Follicle; Pregnenolone; Progesterone; Radioimmunoassay; Testosterone | 1989 |
Effect of gamma 3 or gamma 2 melanocyte stimulating hormone on steroidogenesis in the fetal sheep during late gestation.
Topics: 20-alpha-Dihydroprogesterone; Adrenal Cortex Hormones; Adrenal Glands; Animals; Fetal Blood; Fetus; Gestational Age; Hydrocortisone; Melanocyte-Stimulating Hormones; Pregnenolone; Sheep | 1989 |
Steroidogenesis in adrenal tumor cells: influence of cell shape.
Topics: 20-alpha-Dihydroprogesterone; Adrenal Gland Neoplasms; Adrenal Glands; Adrenocorticotropic Hormone; Animals; Biological Transport; Bucladesine; Cell Adhesion; Cell Line; Cholesterol; Cyclic AMP; DNA; Intracellular Membranes; Membrane Lipids; Mitochondria; Polyhydroxyethyl Methacrylate; Polylysine; Pregnenolone; Progesterone | 1987 |
An inhibitory role for the protein kinase C pathway in ovarian steroidogenesis. Studies with cultured swine granulosa cells.
Topics: 20-alpha-Dihydroprogesterone; Adenosine Triphosphate; Animals; Cells, Cultured; Diglycerides; Estradiol; Female; Follicle Stimulating Hormone; Granulosa Cells; Pregnenolone; Progesterone; Protein Kinase C; Steroids; Swine; Tetradecanoylphorbol Acetate | 1986 |
[Effects of prostaglandin F2 alpha on steroidogenesis of the PMSG-hCG primed rat ovary in luteolysis].
Topics: 20-alpha-Dihydroprogesterone; Animals; Biological Transport; Cholesterol; Chorionic Gonadotropin; Corpus Luteum; Cycloheximide; Dinoprost; Female; Gonadotropins, Equine; Hydroxysteroid Dehydrogenases; Luteolysis; Luteolytic Agents; Mitochondria; Ovary; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains | 1988 |
Direct effects of clomiphene citrate on the steroidogenic capability of human granulosa cells.
Topics: 20-alpha-Dihydroprogesterone; Adult; Cells, Cultured; Chorionic Gonadotropin; Clomiphene; Dose-Response Relationship, Drug; Estradiol; Female; Granulosa Cells; Humans; Pregnenolone; Progesterone | 1988 |
In vitro secretion of progestins by rat luteal cells and their 20 alpha-hydroxysteroid dehydrogenase activity.
Topics: 20-alpha-Dihydroprogesterone; 20-alpha-Hydroxysteroid Dehydrogenase; 20-Hydroxysteroid Dehydrogenases; Animals; Cells, Cultured; Corpus Luteum; Culture Media; Female; Pregnenolone; Progesterone; Pseudopregnancy; Rats; Rats, Inbred Strains | 1986 |
Peripheral plasma concentrations of pregnenolone sulphate, pregnenolone, progesterone and 20 alpha-hydroxy-4-pregnen-3-one in ewes throughout the oestrous cycle.
Topics: 20-alpha-Dihydroprogesterone; Animals; Dexamethasone; Estrus; Female; Ovariectomy; Pregnenolone; Progesterone; Sheep | 1987 |
Progesterone synthesis by human amnion, chorion, and decidua at term.
Topics: 20-alpha-Dihydroprogesterone; Amnion; Cesarean Section; Chorion; Decidua; Female; Humans; In Vitro Techniques; Labor, Obstetric; Pregnancy; Pregnenolone; Progesterone | 1987 |
Concerted metabolism of steroid hormones produced by cocultured ovarian cell types.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Androsterone; Animals; Cells, Cultured; Female; Follicle Stimulating Hormone; Hydroxyprogesterones; Luteinizing Hormone; Ovary; Pregnanediol; Pregnanetriol; Pregnenolone; Progestins; Rats; Rats, Inbred Strains | 1985 |
Alterations of 20 alpha-hydroxysteroid dehydrogenase activity in cultured rat granulosa cells by follicle-stimulating hormone and testosterone.
Topics: 20-alpha-Dihydroprogesterone; 20-alpha-Hydroxysteroid Dehydrogenase; 20-Hydroxysteroid Dehydrogenases; Animals; Cells, Cultured; Cyanoketone; Dose-Response Relationship, Drug; Estradiol; Female; Follicle Stimulating Hormone; Granulosa Cells; Pregnanediol; Pregnanolone; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Stereoisomerism; Testosterone | 1985 |
Bipotential actions of estrogen on progesterone biosynthesis by ovarian cells. II. Relation of estradiol's stimulatory actions to cholesterol and progestin metabolism in cultured swine granulosa cells.
Topics: 20-alpha-Dihydroprogesterone; Animals; Cells, Cultured; Cholesterol; Dose-Response Relationship, Drug; Estradiol; Female; Granulosa Cells; Lovastatin; Naphthalenes; Pregnenolone; Progesterone; Progestins; Swine; Time Factors | 1985 |
Estrogen regulation of steroidogenesis in rabbit luteal cells.
Topics: 20-alpha-Dihydroprogesterone; Aminoglutethimide; Animals; Corpus Luteum; Cytochrome P-450 Enzyme System; Estradiol; Female; Hydroxycholesterols; Pregnenolone; Progesterone; Pseudopregnancy; Rabbits; Superovulation; Time Factors | 1985 |
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 |
A role for calmodulin in the regulation of steroidogenesis.
Topics: 20-alpha-Dihydroprogesterone; Adrenocorticotropic Hormone; Animals; Biological Transport; Bucladesine; Calcium; Calcium-Binding Proteins; Calmodulin; Cell Line; Cholesterol; Liposomes; Mice; Mitochondria; Pregnenolone; Progesterone; Trifluoperazine | 1981 |
Effect of infusion of PGI-2, 6-keto-PGF-1 alpha and PGF-2 alpha on luteal function in the pregnant rat.
Topics: 20-alpha-Dihydroprogesterone; 6-Ketoprostaglandin F1 alpha; Animals; Blood Pressure; Corpus Luteum; Dinoprost; Epoprostenol; Female; Pregnancy; Pregnenolone; Progesterone; Prostaglandins; Prostaglandins F; Rats; Rats, Inbred Strains | 1983 |
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 |
Pregnancy in young and aged rats. I. Ovarian progesterone and 20 alpha-hydroxypregn-4-en-3-one formation.
Topics: 20-alpha-Dihydroprogesterone; Age Factors; Animals; Female; Hydroxyprogesterones; Litter Size; Male; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone; Progesterone; Proteins; Rats; Rats, Inbred Strains | 1984 |
[20 alpha-Dihydropregnenolone-sulfate and 20 alpha-dihydroprogesterone biosynthesis and metabolism in feto-placental unit].
Topics: 20-alpha-Dihydroprogesterone; 20-Hydroxysteroid Dehydrogenases; Adenosine Triphosphate; Female; Fetus; Humans; Liver; Maternal-Fetal Exchange; NADP; Placenta; Pregnancy; Pregnenolone; Progesterone | 1984 |
Further studies on in vitro steroidogenesis by luteal cells from long-term hypophysectomized rats.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Animals; Chorionic Gonadotropin; Corpus Luteum; Estradiol; Female; Gonadal Steroid Hormones; Hydroxyprogesterones; Hypophysectomy; Luteal Cells; Luteinizing Hormone; Pregnenolone; Progesterone; Prolactin; Rats; Testosterone | 1984 |
Synthesis and catabolism of progesterone in placentas from normotensive and severely hypertensive patients before and after parturition.
Topics: 20-alpha-Dihydroprogesterone; 20-Hydroxysteroid Dehydrogenases; Adolescent; Adult; Female; Humans; Hypertension; Labor, Obstetric; Mitochondria, Muscle; Placenta; Pre-Eclampsia; Pregnancy; Pregnancy Complications, Cardiovascular; Pregnenolone; Progesterone | 1981 |
Facilitative interactions between estradiol and luteinizing hormone in the regulation of progesterone production by cultured swine granulosa cells: relation to cellular cholesterol metabolism.
Topics: 20-alpha-Dihydroprogesterone; Animals; Cells, Cultured; Cholesterol; Drug Synergism; Estradiol; Female; Granulosa Cells; Luteinizing Hormone; Pregnenolone; Progesterone; Swine | 1982 |
Studies of the human testis. XIV. Properties of C17-C20 lyase.
Topics: 17-alpha-Hydroxypregnenolone; 20-alpha-Dihydroprogesterone; Aldehyde-Lyases; Androstenediols; Estradiol; Humans; Hydrogen-Ion Concentration; Hydroxyprogesterones; Male; Microsomes; NADP; Pregnenolone; Steroid 17-alpha-Hydroxylase; Temperature; Testis; Testosterone | 1980 |
Suppression of luteal steroidogenesis by an LHRH antagonist (Nal-Lys antagonist: antide) in vitro during early pregnancy in the rat.
Topics: 20-alpha-Dihydroprogesterone; 3-Hydroxysteroid Dehydrogenases; Animals; Cholesterol Side-Chain Cleavage Enzyme; Female; Gonadotropin-Releasing Hormone; In Vitro Techniques; Luteal Cells; Oligopeptides; Pregnancy; Pregnenolone; Progesterone; Rats; Rats, Sprague-Dawley | 1994 |
Inhibition of steroidogenesis by luteal cells of early pregnancy in the rat in response to in vitro administration of a gonadotropin-releasing hormone agonist.
Topics: 20-alpha-Dihydroprogesterone; 3-Hydroxysteroid Dehydrogenases; Animals; Cells, Cultured; Cytochrome P-450 Enzyme Inhibitors; Female; Gonadotropin-Releasing Hormone; Luteal Cells; Pregnancy; Pregnenolone; Progesterone; Rats; Rats, Sprague-Dawley | 1994 |
Progesterone synthesis by human luteal cells: modulation by estradiol.
Topics: 20-alpha-Dihydroprogesterone; 3-Hydroxysteroid Dehydrogenases; Adult; Cells, Cultured; Chorionic Gonadotropin; Corpus Luteum; Culture Media; Dose-Response Relationship, Drug; Estradiol; Female; Humans; Kinetics; Pregnenolone; Progesterone | 1994 |
Leptin modulates the glucocorticoid-induced ovarian steroidogenesis.
Topics: 20-alpha-Dihydroprogesterone; Animals; Colforsin; Dexamethasone; Female; Follicle Stimulating Hormone; Gene Expression; Genes, jun; Glucocorticoids; Granulosa Cells; Leptin; Ovary; Pregnenolone; Progesterone; Proteins; Rats; Receptors, Glucocorticoid; Response Elements; Steroids; Tetradecanoylphorbol Acetate; Transfection | 1999 |
Cytotoxic effects of cigarette smoke alkaloids inhibit the progesterone production and cell growth of cultured MA-10 Leydig tumor cells.
Topics: 20-alpha-Dihydroprogesterone; Alkaloids; Anabasine; Cell Division; Cholesterol Side-Chain Cleavage Enzyme; Corpus Luteum; Cotinine; DNA; Female; Humans; Leydig Cell Tumor; Nicotiana; Nicotine; Ovarian Neoplasms; Plants, Toxic; Pregnenolone; Progesterone; Smoke; Tumor Cells, Cultured | 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 |
Placentation in the African elephant, Loxodonta africana. I. Endocrinological aspects.
Topics: 20-alpha-Dihydroprogesterone; Abortifacient Agents; Animals; Cholesterol; Elephants; Female; Gestational Age; Gonads; Immunohistochemistry; Male; Organ Culture Techniques; Ovary; Placenta; Placentation; Population Control; Pregnancy; Pregnenolone; Progesterone; Prostaglandins F, Synthetic; Testis | 2002 |
FAILURE OF 20 ALPHA-HYDROXY-DELTA-4-PREGNEN-3-ONE AND 20-BETA-HYDROXY-DELTA-4-PREGNEN-3-ONE TO MAINTAIN PREGNANCY IN OVARIECTOMIZED MICE.
Topics: 20-alpha-Dihydroprogesterone; Animals; Castration; Female; Humans; Male; Mice; Orchiectomy; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone; Research | 1964 |
Patients treated for male pattern hair with finasteride show, after discontinuation of the drug, altered levels of neuroactive steroids in cerebrospinal fluid and plasma.
Topics: 20-alpha-Dihydroprogesterone; Adult; Alopecia; Anxiety Disorders; Case-Control Studies; Depression; Finasteride; Humans; Male; Pregnenolone; Progesterone; Sexual Dysfunctions, Psychological; Steroids | 2015 |
The dynamic steroid landscape of equine pregnancy mapped by mass spectrometry.
Topics: 20-alpha-Dihydroprogesterone; Animals; Biomarkers; Chromatography, Liquid; Corpus Luteum; Female; Horses; Placenta; Pregnancy; Pregnancy, Animal; Pregnanolone; Pregnenolone; Progesterone; Steroids; Tandem Mass Spectrometry | 2016 |
Steroid profiles in quail brain and serum: Sex and regional differences and effects of castration with steroid replacement.
Topics: 20-alpha-Dihydroprogesterone; 5-alpha-Dihydroprogesterone; Animals; Brain; Castration; Corticosterone; Estrogens; Female; Hypothalamus; Male; Pregnenolone; Preoptic Area; Quail; Sex Characteristics; Steroids; Testosterone | 2019 |
Longitudinal proneuroactive and neuroactive steroid profiles in medication-free women with, without and at-risk for perinatal depression: A liquid chromatography-tandem mass spectrometry analysis.
Topics: 20-alpha-Dihydroprogesterone; Adult; Anxiety; Chromatography, Liquid; Depression; Depression, Postpartum; Depressive Disorder; Desoxycorticosterone; Female; Humans; Longitudinal Studies; Neurosteroids; Parturition; Pregnancy; Pregnanolone; Pregnenolone; Prenatal Care; Progesterone; Prospective Studies; Risk Factors; Tandem Mass Spectrometry | 2020 |
Dehydroepiandrosterone sulfate, dehydroepiandrosterone, 5α-dihydroprogesterone and pregnenolone in women with migraine: Analysis of serum levels and correlation with age, migraine years and frequency.
Topics: 20-alpha-Dihydroprogesterone; Adult; Chromatography, Liquid; Dehydroepiandrosterone Sulfate; Female; Humans; Migraine Disorders; Pregnenolone; Tandem Mass Spectrometry | 2021 |