The presence of 19-norandrostenedione and its sulphate form in yolk-sac fluid of the early equine conceptus

[1]  P. A. Sinclair,et al.  Synthesis of free and sulphoconjugated 16-androstene steroids by the Leydig cells of the mature domestic boar , 2005, The Journal of Steroid Biochemistry and Molecular Biology.

[2]  K. Betteridge,et al.  Estrogen Metabolism in the Equine Conceptus and Endometrium During Early Pregnancy in Relation to Estrogen Concentrations in Yolk-Sac Fluid1 , 2004, Biology of reproduction.

[3]  S. Benner,et al.  The planetary biology of cytochrome P450 aromatases , 2004, BMC Biology.

[4]  R. Simmen,et al.  Uterine Androgen Receptors: Roles in Estrogen-Mediated Gene Expressionand DNA Synthesis1 , 2004, Biology of reproduction.

[5]  W. Boon,et al.  Aromatase--a brief overview. , 2002, Annual review of physiology.

[6]  Y. Osawa,et al.  Catalytic differences between porcine blastocyst and placental aromatase isozymes. , 2000, European journal of biochemistry.

[7]  R. Simmen,et al.  Multiple isoforms of porcine aromatase are encoded by three distinct genes , 2000, The Journal of Steroid Biochemistry and Molecular Biology.

[8]  C. Corbin,et al.  Tissue-Specific Localization of Cytochrome P450 Aromatase in the Equine Embryo by In Situ Hybridization and Immunocytochemistry1 , 2000, Biology of reproduction.

[9]  R. Simmen,et al.  A developmental switch in expression from blastocyst to endometrial/placental-type cytochrome P450 aromatase genes in the pig and horse. , 1997, Biology of reproduction.

[10]  R. Simmen,et al.  Molecular cloning of cytochrome P450 aromatase complementary deoxyribonucleic acid from periimplantation porcine and equine blastocysts identifies multiple novel 5'-untranslated exons expressed in embryos, endometrium, and placenta. , 1996, Endocrinology.

[11]  C. Corbin,et al.  Functional ovarian and placental isoforms of porcine aromatase , 1995, Molecular and Cellular Endocrinology.

[12]  J. Gaillard,et al.  In vitro 19-norandrogen synthesis by equine placenta requires the participation of aromatase. , 1995, The Journal of endocrinology.

[13]  C. Shackleton,et al.  Androgen metabolism by porcine granulosa cells during the process of luteinization in vitro: identification of 19-oic-androstenedione as a major metabolite and possible precursor for the formation of C18 neutral steroids. , 1991, Endocrinology.

[14]  E. Houghton,et al.  Steroids in equine testes: the identification of endogenous 19-hydroxy and 19-nor neutral steroids by gas chromatography--mass spectrometry. , 1989, The Journal of endocrinology.

[15]  M. Glasier,et al.  Formation of 4-oestrene-3,17-dione (19-norandrostenedione) by porcine granulosa cells in vitro is inhibited by the aromatase inhibitor 4-hydroxyandrostenedione and the cytochrome P-450 inhibitors aminoglutethimide phosphate and ketoconazole. , 1989, The Journal of endocrinology.

[16]  C. Mendelson,et al.  Isolation of a full-length cDNA insert encoding human aromatase system cytochrome P-450 and its expression in nonsteroidogenic cells. , 1988, Proceedings of the National Academy of Sciences of the United States of America.

[17]  R. Friendship,et al.  Differences in aromatase activity between Leydig cells from the scrotal and abdominal testis in the naturally unilateral-cryptorchid boar. , 1988, Biology of reproduction.

[18]  J. Walton,et al.  Identification and measurement of 4-oestren-3,17-dione (19-norandrostenedione) in porcine ovarian follicular fluid using high performance liquid chromatography and capillary gas chromatography-mass spectrometry. , 1985, The Journal of endocrinology.

[19]  R. Seamark,et al.  Steroid hormones in uterine washings and in plasma of gilts between days 9 and 15 after oestrus and between days 9 and 15 after coitus. , 1985, Journal of reproduction and fertility.

[20]  F. Bazer,et al.  Endocrine aspects of early pregnancy in pony mares: a comparison of uterine luminal and peripheral plasma levels of steroids during the estrous cycle and early pregnancy. , 1984, Endocrinology.

[21]  A. Ruokonen,et al.  Steroid metabolism in testis tissue: concentrations of unconjugated and sulfated neutral steroids in boar testis. , 1974, Journal of steroid biochemistry.

[22]  A. Vaheri,et al.  Cyclic AMP and cyclic GMP enhance growth of chick embryo fibroblasts. , 1973, Nature: New biology.

[23]  E. Bedrak,et al.  Steroid biosynthesis by the equine testis. , 1969, Endocrinology.

[24]  J. Raeside.  The isolation of estrone sulfate and estradiol-17 beta sulfate from stallion testes. , 1969, Canadian journal of biochemistry.

[25]  J. S. Perry,et al.  EARLY PREGNANCY IN THE PIG , 1962 .

[26]  S. Halbert,et al.  Cardiac Effects of Streptolysin O in Rabbits , 1961, Nature.

[27]  R. Short.  Identification of 19-Norandrostenedione in Follicular Fluid , 1960, Nature.

[28]  A. Roy.  The sulphatase of ox liver. VI. Steroid sulphatase. , 1957, The Biochemical journal.