17-alpha-hydroxyprogesterone has been researched along with pregnenolone in 97 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 37 (38.14) | 18.7374 |
1990's | 26 (26.80) | 18.2507 |
2000's | 22 (22.68) | 29.6817 |
2010's | 8 (8.25) | 24.3611 |
2020's | 4 (4.12) | 2.80 |
Authors | Studies |
---|---|
Kollman, PA; Lee, DL; Marsh, FJ; Wolff, ME | 1 |
Dunn, WJ; Grigoras, S; Koehler, MG | 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 |
Strassburg, CP; Tukey, RH | 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 |
Baert, B; Beetens, J; Bodé, S; De Spiegeleer, B; Deconinck, E; Lambert, J; Slegers, G; Slodicka, M; Stoppie, P; Van Gele, M; Vander Heyden, Y | 1 |
Ban, F; Cherkasov, A; Fallahi, M; Hammond, GL; Santos-Filho, O; Thorsteinson, N | 1 |
Bellavance, E; Luu-The, V; Poirier, D | 1 |
Babalola, GO; Shapiro, BH | 1 |
Li, PS | 2 |
Laskey, JW; Phelps, PV | 1 |
Roby, KF; Terranova, PF | 1 |
Lorence, MC; Mason, JI; Murry, BA; Trant, JM | 1 |
Armstrong, DT; Calaresu, FR; Morley, P | 1 |
Dhont, M; Hinting, A; Serreyn, R; Vandekerckhove, D; Vanluchene, E | 1 |
Aida, K; Barry, TP; Hanyu, I; Okumura, T | 1 |
Adamo, MV; Balducci, R; Boscherini, B; Cives, C; Mangiantini, A; Toscano, V | 1 |
Canario, AV; Scott, AP | 1 |
Balm, PH; Lambert, JD; Wendelaar Bonga, SE | 1 |
Fenske, M | 1 |
Deslypere, JP; Vermeulen, A | 1 |
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 |
Claus, M; Schöneshöfer, M | 1 |
Dufau, ML; Knox, GF | 1 |
Chambaz, EM; Cochet, C; Feige, JJ | 1 |
Donaldson, A; Jeffcoate, SL; O'Shaughnessy, PJ; Pearce, S; Sufi, SB | 1 |
Aida, K; Asahina, K; Hibiya, T; Suzuki, K; Tamaoki, B | 1 |
Gower, DB; Kwan, TK; Taylor, NF; Watson, D | 1 |
Banerjee, S; Mahato, SB; Podder, S | 1 |
Benraad, TJ; Hofman, JA; Kloppenborg, PW; Smals, AG; Weusten, JJ | 1 |
Koyle, MA; Lemmi, C; Rajfer, J; Sikka, SC | 1 |
Makino, K; Miura, K; Ojima, M; Okuyama, M; Sasano, N; Yasuda, K | 1 |
Goldring, NB; Orly, J | 1 |
Belanger, A; Chen, YD; Gibori, G; Khan, I | 1 |
Forsberg, JG; Tenenbaum, A | 1 |
Corcelle-Cerf, F; Kolanowski, J; Lambert, F; Lammerant, J | 1 |
Apter, D; Perheentupa, J; Voutilainen, R | 1 |
Bermúdez, JA; Gómez, S; González Garza, MT; Herrera, J; Montalvo, I; Sotelo, A | 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 |
D'Ambrogio, G; Facchini, V; Genazzani, AR; Inaudi, P; Massafra, C | 1 |
Ekholm, C; Hedin, L; Hillensjö, T | 1 |
Eriksson, CJ; Härkönen, M; Leinonen, P; Widenius, TV; Ylikahri, RH | 1 |
Greenwald, GS; Kim, I | 1 |
Greenwald, GS; Silavin, SL | 1 |
Kagawa, N; Katagiri, M; Waterman, MR | 1 |
Ahn, RS; Kwon, HB | 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 |
Estabrook, RW; Mason, JI; Swart, AC; Swart, P; Waterman, MR | 1 |
Acosta, CK; Kim, HK; Rao, PN | 1 |
Adachi, S; Ando, Y; Fujii, E; Iioka, H; Morikawa, H; Morimoto, K; Okamura, Y; Oku, M; Otsuki, T | 1 |
Fostier, A; Gaignon, JL; Mugnier, C | 1 |
Achstetter, T; Cauet, G; Degryse, E; Spagnoli, R | 1 |
Beaujean, D; Do-Rego, JL; Leprince, J; Luu-The, V; Mensah-Nyagan, AG; Pelletier, G; Tonon, MC; Vaudry, H | 1 |
Barrantes, FJ; Bouzat, C; Garbus, I | 1 |
Cánepa, DF; Cigorraga, SB; Meroni, SB; Pellizzari, EH | 1 |
Bouchard, C; Gagnon, J; Leon, AS; Rankinen, T; Rao, DC; Skinner, JS; Ukkola, O; Wilmore, JH | 1 |
Dorner, M; Falk, W; Schölmerich, J; Straub, RH; Vogl, D | 1 |
Auchus, RJ; LeHoux, JG; Mathieu, AP | 1 |
Auchus, RJ; Flück, CE; Miller, WL | 1 |
HECHTER, O; JACOBSEN, RP; JEANLOZ, RW; LEVY, H; PINCUS, G; SCHENKER, V | 1 |
LANTHIER, A; SANDOR, T | 1 |
EIK-NES, KB; HAGEN, AA | 1 |
HAGERMAN, D; SOBREVILLA, L; VILLEE, C | 1 |
Fujimoto, S; Nomura, E; Sugawara, T | 1 |
Azziz, R; Boots, LS; Moran, C; Reyna, R | 1 |
Bloch, E; Kostellow, A; Morrill, GA; Schatz, F | 1 |
Bunker, AM; Kushnir, MM; Meikle, AW; Owen, WE; Pattison, EG; Roberts, WL; Rockwood, AL | 1 |
Bunker, AM; Kushnir, MM; Meikle, AW; Owen, WE; Pattison, EG; Phanslkar, AR; Roberts, WL; Rockwood, AL; Sandrock, T; Terry, AH | 1 |
Dacou-Voutetakis, A; Dracopoulou, M; Magnisali, P; Mataragas, M; Moutsatsou, P | 1 |
Chen, W; Sheu, HM; Tsai, JC; Tsai, SJ; Zouboulis, CC | 1 |
Aketo, T; Nakagawa, S; Tachikawa, E; Yamato, S; Yamazaki, N | 1 |
Aronsson, B; Bergquist, J; Kushnir, MM; Sandstedt, P; Söndergaard, HP | 1 |
Arlt, W; de Herder, WW; de Jong, FH; Feelders, RA; Hofland, J; Hofland, LJ; Steenbergen, J; Taylor, AE; van der Pas, R; van Koetsveld, PM | 1 |
DeVore, NM; Petrunak, EM; Porubsky, PR; Scott, EE | 1 |
Bertini, ES; Biagini, G; Cusmai, R; Gecz, J; Giannone, G; Lucchi, C; Rustichelli, C; Specchio, N; Terracciano, A; Trivisano, M; Ubertini, GM; Vigevano, F | 1 |
Borba, LA; Canisso, IF; Curcio, BR; Feijó, LS; Müller, V; Nogueira, CEW; Toribio, RE | 1 |
Bonnet, F; Bouzerara, A; Ferecatu, I; Fournier, T; Fraichard, C; Garnier, A; Gerbaud, P; Guibourdenche, J; Hébert-Schuster, M; Hernandez, I; Trabado, S | 1 |
Cao, B; Gong, C; Li, W; Liang, X; Liu, M; Meng, X; Qin, M; Su, C; Wei, L; Wu, D | 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 |
Bouty, A; Dijoud, F; Ecochard, R; Mallet, D; Mouriquand, P; Mure, PY; Plotton, I; Pourquet, A; Renault, L; Rigaud, C; Roucher, F; Sanlaville, D; Teoli, J | 1 |
2 review(s) available for 17-alpha-hydroxyprogesterone and pregnenolone
Article | Year |
---|---|
Human UDP-glucuronosyltransferases: metabolism, expression, and disease.
Topics: Autoimmunity; Chromosome Mapping; Glucuronides; Glucuronosyltransferase; Humans; Hyperbilirubinemia; Neoplasms; Steroids; Terminology as Topic | 2000 |
Fetal Leydig cell culture--an in vitro system for the study of trophic hormone and GnRH receptors and actions.
Topics: 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; 8-Bromo Cyclic Adenosine Monophosphate; Animals; Cholera Toxin; Chorionic Gonadotropin; Cyclic AMP; Dose-Response Relationship, Drug; Female; Gonadotropin-Releasing Hormone; Histocytochemistry; Hydroxyprogesterones; Kinetics; Leydig Cells; Luteinizing Hormone; Male; Pregnancy; Pregnenolone; Rats; Steroid 17-alpha-Hydroxylase; Testosterone; Time Factors | 1985 |
2 trial(s) available for 17-alpha-hydroxyprogesterone and pregnenolone
Article | Year |
---|---|
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 |
Cortisol, progesterone, 17αOHprogesterone, and pregnenolone in foals born from mare's hormone-treated for experimentally induced ascending placentitis.
Topics: 17-alpha-Hydroxyprogesterone; Animals; Animals, Newborn; Anti-Bacterial Agents; Clonixin; Contraceptive Agents, Female; Estradiol; Female; Horse Diseases; Horses; Hydrocortisone; Placenta Diseases; Pregnancy; Pregnenolone; Progesterone; Progestins; Random Allocation; Streptococcal Infections; Streptococcus equi; Trenbolone Acetate; Trimethoprim, Sulfamethoxazole Drug Combination | 2019 |
93 other study(ies) available for 17-alpha-hydroxyprogesterone and pregnenolone
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 |
The role of solvent-accessible surface area in determining partition coefficients.
Topics: Diffusion; Solubility; Solvents; Structure-Activity Relationship | 1987 |
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 |
Transdermal penetration behaviour of drugs: CART-clustering, QSPR and selection of model compounds.
Topics: Anti-Inflammatory Agents; Cell Membrane Permeability; Cluster Analysis; Drug Evaluation, Preclinical; Humans; Models, Biological; Predictive Value of Tests; Quantitative Structure-Activity Relationship; Regression Analysis; Skin; Skin Absorption | 2007 |
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 |
Potent and selective steroidal inhibitors of 17beta-hydroxysteroid dehydrogenase type 7, an enzyme that catalyzes the reduction of the key hormones estrone and dihydrotestosterone.
Topics: 17-Hydroxysteroid Dehydrogenases; Androstane-3,17-diol; Androstanes; Biocatalysis; Cell Line; Dihydrotestosterone; Enzyme Inhibitors; Estradiol; Estrone; Humans; Inhibitory Concentration 50; Oxidation-Reduction; Substrate Specificity | 2009 |
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 |
In vitro effects of estradiol, diethylstilbestrol and tamoxifen on testosterone production by purified pig Leydig cells.
Topics: 17-alpha-Hydroxyprogesterone; Animals; Colforsin; Cyclic AMP; Diethylstilbestrol; Estradiol; Hydroxyprogesterones; Leydig Cells; Luteinizing Hormone; Male; Pregnenolone; Progesterone; Radioimmunoassay; Swine; Tamoxifen; Testosterone | 1991 |
Effect of cortisol on testosterone production by immature pig Leydig cells.
Topics: 17-alpha-Hydroxyprogesterone; Adrenocorticotropic Hormone; Aldehyde-Lyases; Animals; Colforsin; Cyclic AMP; Cytochrome P-450 Enzyme System; Hydrocortisone; Hydroxyprogesterones; In Vitro Techniques; Leydig Cells; Luteinizing Hormone; Male; Pregnenolone; Steroid 17-alpha-Hydroxylase; Swine; Testosterone | 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 |
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 |
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 |
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 shift from C-19 to C-21 steroid synthesis in spawning male common carp, Cyprinus carpio, is regulated by the inhibition of androgen production by progestogens produced by spermatozoa.
Topics: 17-alpha-Hydroxyprogesterone; Analysis of Variance; Androgens; Animals; Carps; Chromatography, High Pressure Liquid; Cyprinidae; Dose-Response Relationship, Drug; Feedback; Gonadotropins; Growth Hormone; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenolone; Progestins; Prolactin; Radioimmunoassay; Spermatozoa; Testis; Testosterone | 1990 |
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 |
Synthesis of 20 alpha-hydroxylated steroids by ovaries of the dab (Limanda limanda).
Topics: 17-alpha-Hydroxyprogesterone; 20-Hydroxysteroid Dehydrogenases; Animals; Female; Fishes; Hydroxyprogesterones; Male; Ovary; Pregnanes; Pregnanetriol; Pregnanolone; Pregnenolone; Radioimmunoassay | 1989 |
Corticosteroid biosynthesis in the interrenal cells of the teleost fish, Oreochromis mossambicus.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Cortex Hormones; Animals; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Female; Fishes; Hydroxyprogesterones; Kidney; Pregnenolone | 1989 |
Basal and HCG-stimulated testosterone production by interstitial cells of the Mongolian gerbil (Meriones unguiculatus)--II. Influence of glucocorticosteroids and steroidal precursors.
Topics: 17-alpha-Hydroxyprogesterone; Animals; Cells, Cultured; Chorionic Gonadotropin; Dehydroepiandrosterone; Gerbillinae; Glucocorticoids; Hydroxyprogesterones; In Vitro Techniques; Male; Pregnenolone; Progesterone; Steroids; Testis; Testosterone; Time Factors | 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 |
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 |
Multiple-sites of inhibition by intravenous metyrapone of human adrenal steroidogenesis.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 18-Hydroxycorticosterone; 18-Hydroxydesoxycorticosterone; Adrenal Cortex Hormones; Adrenal Glands; Adrenocorticotropic Hormone; Adult; Aldosterone; Corticosterone; Cortodoxone; Humans; Hydrocortisone; Hydroxyprogesterones; Infusions, Parenteral; Male; Metyrapone; Pregnenolone; Progesterone | 1985 |
Type beta transforming growth factor is a potent modulator of differentiated adrenocortical cell functions.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adrenal Cortex; Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Angiotensin II; Animals; Cattle; DNA Replication; Hydroxyprogesterones; Peptides; Pregnenolone; Progesterone; Steroid 17-alpha-Hydroxylase; Steroids; Transforming Growth Factors | 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 |
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 |
Gas chromatographic-mass spectrometric study of metabolites of C21 and C19 steroids in neonatal porcine testicular microsomes.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Androstenediol; Androstenols; Animals; Animals, Newborn; Dehydroepiandrosterone; Gas Chromatography-Mass Spectrometry; Hydroxyprogesterones; Male; Microsomes; Pregnanes; Pregnenolone; Progesterone; Swine; Testis | 1985 |
Oxidative side-chain and ring fission of pregnanes by Arthrobacter simplex.
Topics: 17-alpha-Hydroxyprogesterone; Arthrobacter; Cortodoxone; Hydroxyprogesterones; Magnetic Resonance Spectroscopy; Models, Biological; Oxidation-Reduction; Pregnanes; Pregnenolone; Progesterone | 1988 |
Early time sequence in pregnenolone metabolism to testosterone in homogenates of human and rat testis.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Aged; Animals; Chromatography, High Pressure Liquid; Humans; Hydroxyprogesterones; Kinetics; Male; Middle Aged; NAD; NADP; Pregnenolone; Progesterone; Rats; 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 |
An adrenocortical tumor secreting weak mineralocorticoids.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 18-Hydroxycorticosterone; Adrenal Cortex Neoplasms; Adult; Carcinoma; Corticosterone; Desoxycorticosterone; Female; Humans; Hydroxyprogesterones; Hypertension; Mineralocorticoids; 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 |
Influence of high-density lipoprotein on estradiol stimulation of luteal steroidogenesis.
Topics: 17-alpha-Hydroxyprogesterone; Animals; Corpus Luteum; Estradiol; Female; Hydroxyprogesterones; Lipoproteins, HDL; Pregnancy; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; 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 |
On the specificity of the inhibitory effect of trilostane and aminoglutethimide on adrenocortical steroidogenesis in guinea pig.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adrenal Cortex; Adrenocorticotropic Hormone; Aminoglutethimide; Animals; Cortodoxone; Dihydrotestosterone; Guinea Pigs; Hydrocortisone; Hydroxyprogesterones; Male; Pregnenolone; Progesterone | 1984 |
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 |
Modifications in the testis steroidogenic pathways in rats fed with cottonseed flour.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Androgens; Animals; Cottonseed Oil; Dehydroepiandrosterone; Diet; Gossypol; Hydroxyprogesterones; Male; Mice; Mice, Inbred Strains; Pregnenolone; Rats; Testis; Testosterone | 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
Progesterone 16 alpha-hydroxylase activity is catalyzed by human cytochrome P450 17 alpha-hydroxylase.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Glands; Animals; Aryl Hydrocarbon Hydroxylases; Cell Line, Transformed; Chlorocebus aethiops; Cytochrome P-450 CYP2C8; Cytochrome P-450 CYP2C9; DNA; Humans; Hydroxyprogesterones; Ketoconazole; Kidney; Kinetics; Male; Microsomes; NADP; Pregnenolone; Progesterone; Steroid 16-alpha-Hydroxylase; Steroid 17-alpha-Hydroxylase; Steroid Hydroxylases; Testis; Transfection | 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 |
[A study on the maternal plasma C21 steroids concentration during pregnancy].
Topics: 17-alpha-Hydroxyprogesterone; Chromatography, High Pressure Liquid; Cortisone; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnancy; Pregnenolone; Steroid 21-Hydroxylase | 1996 |
In vitro synthesis of 17,20 beta,21-trihydroxy-4-pregnen-3-one by ovaries of turbot (Scophthalmus maximus L.) during oocyte maturation.
Topics: 17-alpha-Hydroxyprogesterone; Animals; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Cortodoxone; Female; Flatfishes; In Vitro Techniques; Mass Spectrometry; Oocytes; Ovary; Pregnenolone; Sexual Maturation | 1997 |
Pregnenolone metabolized to 17alpha-hydroxyprogesterone in yeast: biochemical analysis of a metabolic pathway.
Topics: 17-alpha-Hydroxyprogesterone; Amino Acid Sequence; Animals; Cattle; Gene Expression Regulation, Enzymologic; Humans; Kinetics; Molecular Sequence Data; Multienzyme Complexes; Mutagenesis, Site-Directed; Pregnenolone; Progesterone Reductase; Saccharomyces cerevisiae; Steroid 17-alpha-Hydroxylase; Steroid Isomerases | 1999 |
The octadecaneuropeptide ODN stimulates neurosteroid biosynthesis through activation of central-type benzodiazepine receptors.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Animals; Carbolines; Chromatography, High Pressure Liquid; Dehydroepiandrosterone; Diazepam Binding Inhibitor; Dihydrotestosterone; Dose-Response Relationship, Drug; Flumazenil; GABA-A Receptor Agonists; GABA-A Receptor Antagonists; Hydroxysteroids; Hypothalamus; Immunohistochemistry; In Vitro Techniques; Ligands; Male; Neuroglia; Neurons; Neuropeptides; Peptide Fragments; Pregnenolone; Progesterone; Rana ridibunda; Receptors, GABA-A | 2001 |
Steroids differentially inhibit the nicotinic acetylcholine receptor.
Topics: 17-alpha-Hydroxyprogesterone; Aldosterone; Animals; Anti-Inflammatory Agents; Cell Line; Cortisone; Cortodoxone; Humans; Hydrocortisone; Ion Channel Gating; Kidney; Mice; Nicotinic Antagonists; Patch-Clamp Techniques; Pregnenolone; Receptors, Nicotinic; Steroids; Transfection; Water | 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 |
A genome-wide linkage scan for steroids and SHBG levels in black and white families: the HERITAGE Family Study.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adult; Aged; Androsterone; Black People; Cohort Studies; Dihydrotestosterone; Female; Genetic Linkage; Genome, Human; Hormones; Humans; Hydrocortisone; Male; Middle Aged; Pregnenolone; Progesterone; Sex Hormone-Binding Globulin; Testosterone; White People | 2002 |
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 |
Molecular dynamics of substrate complexes with hamster cytochrome P450c17 (CYP17): mechanistic approach to understanding substrate binding and activities.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Amino Acid Sequence; Animals; Binding Sites; Computer Simulation; Cricetinae; Isoenzymes; Models, Molecular; Molecular Conformation; Molecular Sequence Data; Pregnenolone; Progesterone; Steroid 17-alpha-Hydroxylase; Substrate Specificity | 2003 |
The 17, 20-lyase activity of cytochrome p450c17 from human fetal testis favors the delta5 steroidogenic pathway.
Topics: 17-alpha-Hydroxyprogesterone; Adult; Catalysis; Dehydroepiandrosterone; Female; Humans; Kinetics; Leydig Cells; Male; Microsomes; Multienzyme Complexes; Pregnancy; Pregnanolone; Pregnenolone; Progesterone; Progesterone Reductase; Steroid 17-alpha-Hydroxylase; Steroid Isomerases; Steroids; Testis | 2003 |
Chemical transformations of steroids by adrenal perfusion; progesterone, 17 alpha-hydroxyprogesterone, and pregn-5-en-3beta-ol-20-one.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Glands; Perfusion; Pregnenolone; Progesterone; Steroids | 1954 |
Identification of a steriod glycol produced by human ovarian slices from 17 alpha-hydroxyprogesterone.
Topics: 17-alpha-Hydroxyprogesterone; Female; Glycols; Humans; Ovary; Pregnenolone; Progesterone | 1961 |
CONVERSION OF 17-ALPHA-HYDROXYPREGNENOLONE TO 17-ALPHA-HYDROXYPROGESTERONE BY THE CANINE TESTIS IN VIVO.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Androgens; Animals; Carbon Isotopes; Chorionic Gonadotropin; Chromatography; Dogs; Gonadotropins; Humans; Hydroxyprogesterones; Iliac Artery; Male; Metabolism; Pharmacology; Pregnenolone; Research; Testis; Testosterone; Tritium; Ultraviolet Rays | 1964 |
THE METABOLISM OF PREGNENOLONE AND 17-ALPHA-HYDROXYPROGESTERONE BY HOMOGENATES OF HUMAN TERM PLACENTAS.
Topics: 17-alpha-Hydroxyprogesterone; Carbon Isotopes; Chromatography; Female; Humans; Hydroxyprogesterones; Metabolism; Placenta; Pregnancy; Pregnenolone; Radiometry; Research | 1964 |
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 |
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 |
Development and performance evaluation of a tandem mass spectrometry assay for 4 adrenal steroids.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adolescent; Adult; Child; Chromatography, Liquid; Cortodoxone; Female; Humans; Indicator Dilution Techniques; Male; Middle Aged; Pregnenolone; Reference Values; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization | 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 |
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 |
Testosterone synthesized in cultured human SZ95 sebocytes derives mainly from dehydroepiandrosterone.
Topics: 17-alpha-Hydroxyprogesterone; Cell Line, Transformed; Cholesterol; Chorionic Gonadotropin; Colforsin; Cyclic CMP; Dehydroepiandrosterone; Dexamethasone; Female; Fibroblast Growth Factor 9; Humans; Hydroxycholesterols; Insulin; Insulin-Like Growth Factor I; Interleukin-1beta; Pregnenolone; Progesterone; Sebaceous Glands; Testosterone | 2010 |
Simultaneous determination of pregnenolone and 17α-hydroxypregnenolone by semi-micro high-performance liquid chromatography with an immobilized cholesterol oxidase as a pre-column reactor: application to bovine adrenal fasciculata cells.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Animals; Cattle; Cells, Cultured; Cholesterol Oxidase; Enzymes, Immobilized; Linear Models; Pregnenolone; Progesterone; Sensitivity and Specificity; Zona Fasciculata | 2010 |
Patterns of endogenous steroids in apathetic refugee children are compatible with long-term stress.
Topics: 17-alpha-Hydroxyprogesterone; Activities of Daily Living; Adolescent; Child; Chromatography, Liquid; Cortisone; Dehydroepiandrosterone; Female; Humans; Hydrocortisone; Male; Mass Spectrometry; Pregnenolone; Refugees; Steroids; Stress, Psychological; Sweden; Syndrome; Time Factors; Unconscious, Psychology | 2012 |
Fluconazole inhibits human adrenocortical steroidogenesis in vitro.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Cortex; Apoptosis; Cell Line, Tumor; Cell Proliferation; Cells, Cultured; Cortodoxone; Desoxycorticosterone; Fluconazole; Humans; Hydrocortisone; Ketoconazole; Pregnenolone; Progesterone | 2012 |
Structures of human steroidogenic cytochrome P450 17A1 with substrates.
Topics: 17-alpha-Hydroxyprogesterone; Androstenes; Androstenols; Binding Sites; Catalytic Domain; Crystallography, X-Ray; Dehydroepiandrosterone; Estrogens; Heme; Humans; Hydrogen Bonding; Kinetics; Models, Molecular; Molecular Structure; Mutation; Oxidation-Reduction; Pregnenolone; Progesterone; Protein Binding; Protein Structure, Secondary; Steroid 17-alpha-Hydroxylase; Steroids; Substrate Specificity; Testosterone | 2014 |
Reduced steroidogenesis in patients with PCDH19-female limited epilepsy.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenocorticotropic Hormone; Adrenogenital Syndrome; Cadherins; Case-Control Studies; Child; Child, Preschool; DNA Mutational Analysis; Epilepsy; Estradiol; Female; Genetic Diseases, X-Linked; Gonadal Steroid Hormones; Humans; Hydrocortisone; Intellectual Disability; Pregnanolone; Pregnenolone; Progesterone; Prospective Studies; Protocadherins; Puberty, Precocious; Reference Values | 2017 |
Placental production of progestins is fully effective in villous cytotrophoblasts and increases with the syncytiotrophoblast formation.
Topics: 17-alpha-Hydroxyprogesterone; Cell Differentiation; Cell Proliferation; Cells, Cultured; Colforsin; Female; Gas Chromatography-Mass Spectrometry; Gene Expression Regulation; Humans; Multienzyme Complexes; Placenta; Pregnancy; Pregnenolone; Progesterone; Progesterone Reductase; Progestins; Steroid Isomerases; TNF Receptor-Associated Factor 4; Trophoblasts | 2020 |
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 |
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 |
Steroid Profiling in the Amniotic Fluid: Reference Range for 12 Steroids and Interest in 21-Hydroxylase Deficiency.
Topics: 17-alpha-Hydroxyprogesterone; Amniotic Fluid; Chromatography, Liquid; Corticosterone; Dehydroepiandrosterone; Female; Humans; Hydrocortisone; Pregnancy; Pregnenolone; Reference Values; Steroids; Tandem Mass Spectrometry; Testosterone | 2023 |