Page last updated: 2024-08-20

pregnenolone and 20-alpha-dihydroprogesterone

pregnenolone has been researched along with 20-alpha-dihydroprogesterone in 64 studies

Research

Studies (64)

TimeframeStudies, this research(%)All Research%
pre-199047 (73.44)18.7374
1990's9 (14.06)18.2507
2000's3 (4.69)29.6817
2010's3 (4.69)24.3611
2020's2 (3.13)2.80

Authors

AuthorsStudies
Kollman, PA; Lee, DL; Marsh, FJ; Wolff, ME1
Beling, CG; Cederqvist, LL1
Antonichev, AV; Aso, T; Cekan, SZ; Diczfalusy, E; Goncharov, NP; Gorlushkin, VM; Taranov, AG1
Brinkley, HJ; Weiss, JR; Young, EP1
Aso, T; Cekan, Z; Diczfalusy, E; Goncharov, N; Pachalia, N1
Aso, T; Cekan, Z; Diczfalusy, E; Goncharov, N1
Mori, T; Nishimura, T; Suzuki, A1
Chang, MC; Lau, IF; Saksena, SK1
Preslock, JP; Steinberger, E2
Buster, JE; Elsner, CW; Killam, AP; Preston, DL1
Hall, PF; Mrotek, JJ1
Carchman, RA; Harris, LS; Warner, W1
Abraham, GE; Buster, JE; Chang, RJ; Cousins, LM; Elashoff, RM; Hobel, CJ; Marshall, JR; Preston, DL1
Blaha, GC; Leavitt, WW1
Wiebe, JP1
Fukunishi, H; Mickan, H; Zander, J1
Adashi, EY; Hazum, E; Kokia, E; Payne, DW; Ricciarelli, E; Tedeschi, C1
Castro, O; Devoto, L; Kohen, P; Vega, M2
Roby, KF; Terranova, PF1
Komorowski, JI; Tsang, BK1
Dhont, M; Hinting, A; Serreyn, R; Vandekerckhove, D; Vanluchene, E1
Benitez, L; Centol, I; Déniz Cáceres, A; Estévez, F; Fanjul, LF; González, J; Llanes, L; Marrero, I; Quintana, J; Ruiz de Galarreta, CM1
Asem, EK; Li, M; Tsang, BK1
Hall, PF; Iida, S; Papadopoulos, V1
Asem, EK; Li, M; Mattice, DF; Tsang, BK1
Greeley, MS; Lin, YW; Petrino, TR; Selman, K; Wallace, RA1
Akiyama, T; Hashino, M; Kawamura, E; Kosaki, T; Mori, H; Nakayama, T; Yamaguchi, T; Yanaihara, T1
Lin, YW; Petrino, TR; Wallace, RA1
Browne, CA; Haji-Baba, AS; Jenkin, G; McMillen, IC; Thorburn, GD1
Betz, G; Hall, PF1
Demers, LM; Veldhuis, JD1
Takagi, K1
Duleba, AJ; Mari, N; Moon, YS; Yuen, BH1
Homma, K; Naito, K; Takahashi, M1
Jenkin, G; McKay, SA; Thorburn, GD1
Challis, JR; Lukash, L; Mitchell, BF1
Goldring, NB; Orly, J1
Duleba, AJ; Kim, KS; Moon, YS; Yuen, BH1
Veldhuis, JD1
Holt, JA; Schreiber, JR1
Bhatia, K; Mead, RA; Ravindra, R1
Hall, PF; Osawa, S; Thomasson, CL1
Bruce, NW; Henderson, KM; Willcox, DL1
Ekholm, C; Hedin, L; Hillensjö, T1
Albrecht, ED1
Nakayama, T; Sanai, Y; Suzuki, T; Yanaihara, T1
Greenwald, GS; Kim, I1
Arias, F; Diaz-Zagoya, JC1
Hammond, JM; Klase, PA; Strauss, JF; Veldhuis, JD1
Hosaka, M; Oshima, H; Troen, P1
Luu-The, V; Marrone, BL; Sridaran, R; Srivastava, RK1
Harris-Hooker, S; Luu-The, V; Marrone, BL; Sridaran, R; Srivastava, RK1
Amsterdam, A; Barkan, D; Dantes, A; Jia, H; Rubinstein, M; Vardimon, L1
Freeman, DA; Gocze, PM1
Belvedere, P; Carnevali, O; Colombo, L; Dalla Valle, L; Vianello, S1
Allen, WR; Mathias, SS; Skidmore, JA; van Aarde, RJ; Wooding, FB1
FORBES, TR; WIEST, WG1
Abbiati, F; Caruso, D; Cavaletti, G; Fusco, L; Giatti, S; Melcangi, RC; Romano, S1
Ball, BA; Berger, T; Conley, AJ; Legacki, EL; Scholtz, EL; Stanley, SD1
Balthazart, J; Cornil, CA; de Bournonville, MP; Keller, M; Liere, P; Pianos, A; Schumacher, M1
Deligiannidis, KM; Dubuke, ML; Kroll-Desrosiers, AR; Shaffer, SA; Tan, Y1
Avallone, R; Bellei, E; Bergamini, S; Ferrari, A; Monari, E; Rustichelli, C; Tomasi, A1

Other Studies

64 other study(ies) available for pregnenolone and 20-alpha-dihydroprogesterone

ArticleYear
Quantitative relationships between steroid structure and binding to putative progesterone receptors.
    Journal of medicinal chemistry, 1977, Volume: 20, Issue:9

    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.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 1978, Volume: 15, Issue:4

    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).
    Acta endocrinologica, 1979, Volume: 90, Issue:2

    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.
    Journal of animal science, 1976, Volume: 42, Issue:1

    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).
    Acta endocrinologica, 1976, Volume: 82, Issue:2

    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).
    Acta endocrinologica, 1976, Volume: 82, Issue:3

    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.
    Endocrinologia japonica, 1977, Volume: 24, Issue:2

    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.
    Hormone research, 1978, Volume: 9, Issue:1

    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.
    General and comparative endocrinology, 1977, Volume: 33, Issue:4

    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,
    The Journal of clinical endocrinology and metabolism, 1979, Volume: 49, Issue:1

    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.
    Biochemistry, 1977, Jul-12, Volume: 16, Issue:14

    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.
    Endocrinology, 1977, Volume: 101, Issue:6

    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.
    Biology of reproduction, 1977, Volume: 17, Issue:2

    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
    The Journal of clinical endocrinology and metabolism, 1979, Volume: 48, Issue:1

    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.
    Biology of reproduction, 1978, Volume: 18, Issue:3

    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.
    Biochemical and biophysical research communications, 1978, Oct-30, Volume: 84, Issue:4

    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.
    Acta endocrinologica, 1975, Volume: 80, Issue:1

    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.
    Endocrinology, 1992, Volume: 131, Issue:5

    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.
    Fertility and sterility, 1991, Volume: 55, Issue:5

    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.
    Endocrinology, 1990, Volume: 126, Issue:5

    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.
    Biology of reproduction, 1990, Volume: 43, Issue:1

    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.
    Journal of steroid biochemistry, 1990, Volume: 35, Issue:1

    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.
    Biochemistry international, 1989, Volume: 19, Issue:5

    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.
    Journal of steroid biochemistry, 1989, Volume: 32, Issue:3

    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.
    Endocrinology, 1989, Volume: 124, Issue:5

    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.
    Journal of reproduction and fertility, 1989, Volume: 86, Issue:1

    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.
    General and comparative endocrinology, 1989, Volume: 76, Issue:2

    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].
    Nihon Naibunpi Gakkai zasshi, 1989, Jan-20, Volume: 65, Issue:1

    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.
    General and comparative endocrinology, 1989, Volume: 73, Issue:1

    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.
    Life sciences, 1989, Volume: 44, Issue:8

    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.
    Endocrinology, 1987, Volume: 120, Issue:6

    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.
    The Biochemical journal, 1986, Nov-01, Volume: 239, Issue:3

    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].
    Nihon Naibunpi Gakkai zasshi, 1988, Oct-20, Volume: 64, Issue:10

    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.
    Fertility and sterility, 1988, Volume: 49, Issue:4

    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.
    Endocrinologia japonica, 1986, Volume: 33, Issue:1

    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.
    The Journal of endocrinology, 1987, Volume: 113, Issue:2

    Topics: 20-alpha-Dihydroprogesterone; Animals; Dexamethasone; Estrus; Female; Ovariectomy; Pregnenolone; Progesterone; Sheep

1987
Progesterone synthesis by human amnion, chorion, and decidua at term.
    American journal of obstetrics and gynecology, 1987, Volume: 157, Issue:2

    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.
    The Journal of biological chemistry, 1985, Jan-25, Volume: 260, Issue:2

    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.
    Biology of reproduction, 1985, Volume: 32, Issue:5

    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.
    Endocrinology, 1985, Volume: 117, Issue:3

    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.
    Endocrinology, 1985, Volume: 117, Issue:6

    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).
    Journal of reproduction and fertility, 1984, Volume: 72, Issue:2

    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.
    The Journal of cell biology, 1981, Volume: 90, Issue:2

    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.
    Journal of reproduction and fertility, 1983, Volume: 69, Issue:1

    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.
    Acta endocrinologica, 1984, Volume: 105, Issue:1

    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.
    Endocrinology, 1984, Volume: 115, Issue:4

    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].
    Nihon Sanka Fujinka Gakkai zasshi, 1984, Volume: 36, Issue:2

    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.
    Biology of reproduction, 1984, Volume: 30, Issue:4

    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.
    American journal of obstetrics and gynecology, 1981, Nov-15, Volume: 141, Issue:6

    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.
    Endocrinology, 1982, Volume: 111, Issue:2

    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.
    Acta endocrinologica, 1980, Volume: 94, Issue:3

    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.
    Journal of molecular endocrinology, 1994, Volume: 13, Issue:1

    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.
    The Journal of steroid biochemistry and molecular biology, 1994, Volume: 49, Issue:1

    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.
    The Journal of clinical endocrinology and metabolism, 1994, Volume: 79, Issue:2

    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.
    Endocrinology, 1999, Volume: 140, Issue:4

    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.
    European journal of obstetrics, gynecology, and reproductive biology, 2000, Volume: 93, Issue:1

    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.
    Life sciences, 2001, Nov-02, Volume: 69, Issue:24

    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.
    Reproduction (Cambridge, England). Supplement, 2002, Volume: 60

    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.
    Endocrinology, 1964, Volume: 74

    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.
    The Journal of steroid biochemistry and molecular biology, 2015, Volume: 146

    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.
    Reproduction (Cambridge, England), 2016, Volume: 151, Issue:4

    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.
    Journal of neuroendocrinology, 2019, Volume: 31, Issue:2

    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.
    Psychoneuroendocrinology, 2020, Volume: 121

    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.
    Journal of pharmaceutical and biomedical analysis, 2021, Nov-30, Volume: 206

    Topics: 20-alpha-Dihydroprogesterone; Adult; Chromatography, Liquid; Dehydroepiandrosterone Sulfate; Female; Humans; Migraine Disorders; Pregnenolone; Tandem Mass Spectrometry

2021