| Year |
Citation |
Score |
| 1997 |
Li X, Bertics PJ, Karavolas HJ. Regional distribution of cytosolic and particulate 5alpha-dihydroprogesterone 3alpha-hydroxysteroid oxidoreductases in female rat brain. The Journal of Steroid Biochemistry and Molecular Biology. 60: 311-8. PMID 9219922 DOI: 10.1016/S0960-0760(96)00195-1 |
0.734 |
|
| 1993 |
Karavolas HJ, Hodges DR. Barbiturates modulate the activity of the pituitary 3 alpha-hydroxysteroid oxidoreductases and inhibit their production of 3 alpha,5 alpha-tetrahydroprogesterone. The Journal of Steroid Biochemistry and Molecular Biology. 45: 287-93. PMID 8499336 DOI: 10.1016/0960-0760(93)90344-V |
0.618 |
|
| 1993 |
Karavolas HJ, Hodges DR. Changes in pituitary, hypothalamic and brain progestin-metabolizing enzyme activities during lactation. The Journal of Steroid Biochemistry and Molecular Biology. 44: 299-303. PMID 8461262 DOI: 10.1016/0960-0760(93)90091-A |
0.625 |
|
| 1992 |
Hodges DR, Karavolas HJ. Pituitary progestin-metabolizing enzyme activities in the aged female rat. The Journal of Steroid Biochemistry and Molecular Biology. 41: 79-84. PMID 1734937 DOI: 10.1016/0960-0760(92)90227-A |
0.62 |
|
| 1990 |
Karavolas HJ, Hodges DR. Neuroendocrine metabolism of progesterone and related progestins. Ciba Foundation Symposium. 153: 22-44; discussion 44. PMID 2292213 |
0.554 |
|
| 1990 |
Campbell JS, Karavolas HJ. Characterization of the purified pituitary cytosolic NADPH:5 alpha-dihydroprogesterone 3 alpha-hydroxysteroid oxidoreductase. The Journal of Steroid Biochemistry and Molecular Biology. 37: 535-43. PMID 2278837 DOI: 10.1016/0960-0760(90)90398-5 |
0.633 |
|
| 1990 |
Campbell JS, Karavolas HJ. Purification of the NADPH:5 alpha-dihydroprogesterone 3 alpha-hydroxysteroid oxidoreductase from female rat pituitary cytosol. The Journal of Steroid Biochemistry and Molecular Biology. 37: 215-22. PMID 2268552 DOI: 10.1016/0960-0760(90)90329-J |
0.625 |
|
| 1989 |
Campbell JS, Karavolas HJ. The kinetic mechanism of the hypothalamic progesterone 5 alpha-reductase. Journal of Steroid Biochemistry. 32: 283-9. PMID 2921870 DOI: 10.1016/0022-4731(89)90265-3 |
0.478 |
|
| 1988 |
Karavolas HJ, Hodges D, Normand N, O'Brien D. Conversion of 17 alpha-hydroxyprogesterone to 5 alpha, 3 alpha, and 20 alpha-reduced metabolites by female rat anterior pituitary and hypothalamus. Steroids. 51: 527-41. PMID 3242174 DOI: 10.1016/0039-128X(88)90049-9 |
0.617 |
|
| 1987 |
Bertics SJ, Bertics PJ, Clarke JL, Karavolas HJ. Distribution and ovarian control of progestin-metabolizing enzymes in various rat hypothalamic regions. Journal of Steroid Biochemistry. 26: 321-8. PMID 3473270 DOI: 10.1016/0022-4731(87)90096-3 |
0.74 |
|
| 1986 |
Campbell JS, Bertics PJ, Karavolas HJ. The kinetic mechanism of the anterior pituitary progesterone 5 alpha-reductase. Journal of Steroid Biochemistry. 24: 801-6. PMID 3702457 DOI: 10.1016/0022-4731(86)90440-1 |
0.676 |
|
| 1986 |
Iswari S, Colas AE, Karavolas HJ. Binding of 5 alpha-dihydroprogesterone and other progestins to female rat anterior pituitary nuclear extracts. Steroids. 47: 189-203. PMID 3564086 DOI: 10.1016/0039-128X(86)90088-7 |
0.561 |
|
| 1985 |
Bertics PJ, Karavolas HJ. Pituitary progesterone 5 alpha-reductase: solubilization and partial characterization. Journal of Steroid Biochemistry. 22: 795-802. PMID 4021482 DOI: 10.1016/0022-4731(85)90288-2 |
0.738 |
|
| 1984 |
Bertics PJ, Edman CF, Karavolas HJ. Potent inhibition of the hypothalamic progesterone 5 alpha-reductase by a 5 alpha-dihydroprogesterone analog. The Journal of Biological Chemistry. 259: 107-11. PMID 6706922 |
0.735 |
|
| 1984 |
Bertics PJ, Karavolas HJ. Partial characterization of the microsomal and solubilized hypothalamic progesterone 5 alpha-reductase. Journal of Steroid Biochemistry. 21: 305-14. PMID 6593506 DOI: 10.1016/0022-4731(84)90284-X |
0.753 |
|
| 1984 |
Bertics PJ, Edman CF, Karavolas HJ. A high affinity inhibitor of pituitary progesterone 5 alpha-reductase. Endocrinology. 114: 63-9. PMID 6581041 DOI: 10.1210/Endo-114-1-63 |
0.749 |
|
| 1984 |
Schenborn ET, Karavolas HJ. Progestin receptors in dispersed rat anterior pituitary cells: enriched binding in lactotrope fractions. Steroids. 43: 589-601. PMID 6543479 DOI: 10.1016/0039-128X(84)90022-9 |
0.317 |
|
| 1984 |
Campbell JS, Bertics PJ, Karavolas HJ. Kinetic mechanism analysis of the pituitary progesterone 5α-reductase Federation Proceedings. 43: no. 2833. |
0.537 |
|
| 1982 |
Marrone BL, Karavolas HJ. Progesterone metabolism by the hypothalamus, pituitary, and uterus of the aged rat. Endocrinology. 111: 162-7. PMID 6806072 DOI: 10.1210/endo-111-1-162 |
0.578 |
|
| 1982 |
Bertics PJ, Karavolas HJ. Effects of riboflavin deficiency, flavin analogs and redox reagents on hypothalamic progesterone 5α-reduction: Possible involvement of a flavin Federation Proceedings. 41: No. 3590. |
0.536 |
|
| 1981 |
Marrone BL, Karavolas HJ. Progesterone metabolism by the hypothalamus, pituitary, and uterus of the rat during pregnancy. Endocrinology. 109: 41-5. PMID 7238413 DOI: 10.1210/endo-109-1-41 |
0.602 |
|
| 1981 |
Gilles PA, Karavolas HJ. Effect on ovulation of 20 alpha-hydroxy-4-pregnen-3-one and its 5 alpha-reduced metabolites in immature rats treated with pregnant mare serum gonadotrophin. The Journal of Endocrinology. 88: 289-92. PMID 7205130 DOI: 10.1677/Joe.0.0880289 |
0.615 |
|
| 1981 |
Schenborn ET, Karavolas HJ. Progesterone, 5 alpha-dihydroprogesterone and R5020 binding in female rat anterior pituitary. Journal of Steroid Biochemistry. 14: 523-31. PMID 7195444 DOI: 10.1016/0022-4731(81)90025-X |
0.364 |
|
| 1981 |
Krause JE, Bertics PJ, Karavolas HJ. Ovarian regulation of hypothalamic and pituitary progestin-metabolizing enzyme activities. Endocrinology. 108: 1-7. PMID 7193117 DOI: 10.1210/Endo-108-1-1 |
0.793 |
|
| 1981 |
Krause JE, Karavolas HJ. Properties of the hypothalamic 5 alpha-dihydroprogesterone NADH- and NADPH-linked 3 alpha-hydroxysteroid oxidoreductase activities. Journal of Steroid Biochemistry. 14: 63-9. PMID 6937723 DOI: 10.1016/0022-4731(81)90193-X |
0.569 |
|
| 1981 |
Gilles PA, Karavolas HJ. Effect of 20 alpha-dihydroprogesterone, progesterone, and their 5 alpha-reduced metabolites on serum gonadotropin levels and hypothalamic LHRH content. Biology of Reproduction. 24: 1088-97. PMID 6791716 |
0.522 |
|
| 1980 |
Krause JE, Karavolas HJ. Pituitary 5 alpha-dihydroprogesterone 3 alpha-hydroxysteroid oxidoreductases. Subcellular location and properties of NADH- and NADPH-linked activities. The Journal of Biological Chemistry. 255: 11807-14. PMID 6934173 |
0.714 |
|
| 1980 |
Krause JE, Karavolas HJ. Subcellular location of hypothalamic progesterone metabolizing enzymes and evidence for distinct NADH- and NADPH-linked 3 alpha-hydroxysteroid oxidoreductase activities. Journal of Steroid Biochemistry. 13: 271-80. PMID 6930523 DOI: 10.1016/0022-4731(80)90005-9 |
0.586 |
|
| 1980 |
Krause JE, Halls JJ, Karavolas HJ. The effects of neurotransmitters and other cellular modulators and factors on hypothalamic and anterior pituitary delta 4-steroid (progesterone) 5 alpha-reductase activity. Steroids. 36: 305-20. PMID 6107999 DOI: 10.1016/0039-128X(80)90005-7 |
0.74 |
|
| 1979 |
Karavolas HJ, Hodges DR, O'Brien DJ. In vivo uptake and metabolism of [3H]progesterone and [3H]5 alpha-dihydroprogesterone by rat CNS and anterior pituitary: tissue concentration of progesterone itself or metabolites? Journal of Steroid Biochemistry. 11: 863-72. PMID 491648 DOI: 10.1016/0022-4731(79)90022-0 |
0.365 |
|
| 1979 |
Karavolas HJ, Hodges DR, O'Brien DJ, MacKenzie KM. In vivo uptake of [3H]progesterone and [3H]5 alpha-dihydroprogesterone by rat brain and pituitary and effects of estradiol and time: tissue concentration of progesterone itself or specific metabolites? Endocrinology. 104: 1418-25. PMID 436786 DOI: 10.1210/endo-104-5-1418 |
0.379 |
|
| 1979 |
Lloyd RV, Gilles PA, Karavolas HJ. Uptake and metabolism of female sex steroids by isolated small neurons and other cell fractions from the rat medial basal hypothalamus. Steroids. 33: 97-113. PMID 377573 DOI: 10.1016/S0039-128X(79)80009-4 |
0.471 |
|
| 1978 |
Krause JE, Karavolas HJ. The effect of progesterone analogues, naturally occurring steroids, and contraceptive progestins on hypothalamic and anterior pituitary delta4-steroid (progesterone) 5alpha-reductase. Steroids. 31: 823-39. PMID 694971 DOI: 10.1016/S0039-128X(78)80047-6 |
0.755 |
|
| 1977 |
Hanukoglu I, Karavolas HJ, Goy RW. Progesterone metabolism in the pineal, brain stem, thalamus and corpus callosum of the female rat. Brain Research. 125: 313-24. PMID 558037 DOI: 10.1016/0006-8993(77)90624-2 |
0.789 |
|
| 1977 |
Nuti KM, Karavolas HJ. Effect of progesterone and its 5 alpha-reduced metabolites on gonadotropin levels in estrogen-primed ovariectomized rats. Endocrinology. 100: 777-81. PMID 122598 DOI: 10.1210/endo-100-3-777 |
0.597 |
|
| 1976 |
Nowak FV, Nuti KM, Karavolas HJ. Quantitative changes in the metabolism of 20alpha-hydroxy-4-pregnen-3-one by rat hypothalamus and pituitary during proestrus. Steroids. 28: 509-20. PMID 1034357 DOI: 10.1016/0039-128X(76)90020-9 |
0.64 |
|
| 1976 |
Karavolas HJ, Hodges D, O'Brien D. Uptake of (3H)progesterone and (3H)5alpha-dihydroprogesterone by rat tissues in vivo and analysis of accumulated radioactivity: accumulation of 5alpha-dihydroprogesterone by pituitary and hypothalamic tissues. Endocrinology. 98: 164-75. PMID 765114 DOI: 10.1210/endo-98-1-164 |
0.599 |
|
| 1975 |
Lloyd RV, Karavolas HJ. Uptake and conversion of progesterone and testosterone to 5alpha-reduced products by enriched gonadotropic and chromophobic rat anterior pituitary cell fractions. Endocrinology. 97: 517-26. PMID 1175504 DOI: 10.1210/endo-97-3-517 |
0.517 |
|
| 1975 |
Cheng YJ, Karavolas HJ. Properties and subcellular distribution of delta4-steroid (progesterone) 5alpha-reductase in rat anterior pituitary. Steroids. 26: 57-71. PMID 1166484 DOI: 10.1016/0039-128X(75)90006-9 |
0.618 |
|
| 1975 |
Cheng YJ, Karavolas HJ. Subcellular distribution and properties of progesterone (delta4-steroid) 5alpha-reductase in rat medial basal hypothalamus. The Journal of Biological Chemistry. 250: 7997-8003. PMID 240847 |
0.546 |
|
| 1974 |
Nowak FV, Karavolas HJ. Conversion of 20 alpha-hydroxypregn-4-en-3-one to 20 alpha-hydroxy-5 alpha-pregnan-3-one and 5 alpha-pregnane-3 alpha, 20 alpha-diol by rat medial basal hypothalamus. Endocrinology. 94: 994-7. PMID 4818785 DOI: 10.1210/endo-94-4-994 |
0.564 |
|
| 1974 |
Sridharan BN, Meyer RK, Karavolas HJ. Effect of 5 alpha-dihydroprogesterone, pregn-5-ene-3 20-dione, pregnenolone and related progestins on ovulation in PMSG-treated immature rats. Journal of Reproduction and Fertility. 36: 83-90. PMID 4809713 DOI: 10.1530/Jrf.0.0360083 |
0.48 |
|
| 1974 |
Nowak FV, Karavolas HJ. Conversion of 20alpha-hydroxy-4-pregnen-3-one to 20alpha-hydroxy-5alpha-pregnan-3-one and 5alpha-pregnane-3alpha, 20alpha-diol by rat anterior pituitary. Steroids. 24: 351-7. PMID 4472042 DOI: 10.1016/0039-128X(74)90032-4 |
0.582 |
|
| 1974 |
Czaja JA, Goldfoot DA, Karavolas HJ. Comparative facilitation and inhibition of lordosis in the guinea pig with progesterone, 5-alpha-pregnane-3,2-dione, or 3-alpha-hydroxy-5-alpha-pregnan-20-one. Hormones and Behavior. 5: 261-74. PMID 4435775 DOI: 10.1016/0018-506X(74)90034-8 |
0.448 |
|
| 1973 |
Cheng YJ, Karavolas HJ. Conversion of progesterone to 5 alpha-pregnane-3,20-dione and 3 alpha-hydroxy-5 alpha-pregnan-20-one by rat medical basal hypothalami and the effects of estradiol and stage of estrous cycle on the conversion. Endocrinology. 93: 1157-62. PMID 4591653 DOI: 10.1210/endo-93-5-1157 |
0.503 |
|
| 1973 |
Robinson JA, Karavolas HJ. Conversion of progesterone by rat anterior pituitary tissue to 5 alpha-pregnane-3,20-dione and 3 alpha-hydroxy-5 alpha-pregnan-20-one. Endocrinology. 93: 430-5. PMID 4578147 DOI: 10.1210/endo-93-2-430 |
0.619 |
|
| 1973 |
Gupta C, Karavolas HJ. Lowered ovarian conversion of 14C-pregnenolone to progesterone and other metabolites during phenobarbital (PB) block of PMS-induced ovulation in immature rats: inhibition of 3beta-hydroxysteroid dehydrogenation. Endocrinology. 92: 117-24. PMID 4344357 DOI: 10.1210/endo-92-1-117 |
0.352 |
|
| 1973 |
Gupta C, Karavolas HJ. Adrenal steroid biosynthesis from 4-14C-cholesterol (in vitro) during phenobarbital block of PMS-induced ovulation in immature rats. Endocrinology. 92: 1200-7. PMID 4265562 DOI: 10.1210/endo-92-4-1200 |
0.332 |
|
| 1972 |
Karavolas HJ, Gupta C, Meyer RK. Steroid biosynthesis and metabolism during phenobarbital (PB) block of PMS-induced ovulation in immature rats. Endocrinology. 91: 157-67. PMID 5025694 DOI: 10.1210/Endo-91-1-157 |
0.325 |
|
| 1971 |
Karavolas HJ, Meyer RK, Daighton KJ, Adrouny S. Stimulation and inhibition of synthesis of ovulating hormone (OH) in organ culture by subcellular fractions of rat medial basal hypothalami. Endocrinology. 88: 969-75. PMID 5542423 DOI: 10.1210/Endo-88-4-969 |
0.337 |
|
| 1971 |
Karavolas HJ, Herf SM. Conversion of progesterone by rat medial basal hypothalamic tissue to 5 -pregnane-3,20-dione. Endocrinology. 89: 940-2. PMID 4935782 DOI: 10.1210/endo-89-3-940 |
0.313 |
|
| 1971 |
Karavolas HJ, Engel LL. Human placental 17 beta-estradiol dehydrogenase. VI. Substrate specificity of the diphosphopyridine nucleotide (triphosphopyridine nucleotide)-linked enzyme. Endocrinology. 88: 1165-9. PMID 4396050 DOI: 10.1210/endo-88-5-1165 |
0.532 |
|
| 1970 |
Karavolas HJ, Baedecker ML, Engel LL. Human placental 17 beta-estradiol dehydrogenase. V. Purification and partial characterization of the diphosphopyridine nucleotide (triphosphopyridine nucleotide)-linked enzyme. The Journal of Biological Chemistry. 245: 4948-52. PMID 4394161 |
0.53 |
|
| 1969 |
Karavolas HJ, Orr JC, Engel LL. Human placental 17 beta-estradiol dehydrogenase. IV. Differentiation of 17 beta-estradiol-activated transhydrogenase from the transhydrogenase function of 17 beta-estradiol dehydrogenase. The Journal of Biological Chemistry. 244: 4413-21. PMID 4389994 |
0.508 |
|
| 1966 |
Karavolas HJ, Engel LL. Human placental 17-beta-estradiol dehydrogenase. 3. The separation of A 17-beta-estradiol-dependent transhydrogenase. The Journal of Biological Chemistry. 241: 3454-6. PMID 4380449 |
0.498 |
|
| 1965 |
KARAVOLAS HJ, ELLIOTT WH, HSIA SL, DOISY EA, MATSCHINER JT, THAYER SA, DOISY EA. BILE ACIDS. XXII. ALLOCHOLIC ACID, A METABOLITE OF 5-ALPHA-CHOLESTAN-3-BET-A-OL IN THE RAT. The Journal of Biological Chemistry. 240: 1568-72. PMID 14285492 |
0.7 |
|
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