Immunocytochemical localization of cytochrome P450 aromatase in the testis of prepubertal, pubertal, and postpubertal horses

Theriogenology

Volumn 61, Issue 2-3, 2004, Pages 293-299

  Hess, Monna F ^a   Roser, Janet F ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Aromatase; Equine puberty; ICC; Testis

Indexed keywords

EQUIDAE;

EID: 0345765647     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(03)00237-1     Document Type: Article

References (35)

1. 14C estrogenic steroids by endocrine tissues. Endocrinology 1959;64:600-8.
2. Seamans MC, Roser JF, Linford RL, Liu IK, Hughes JP. Gonadotrophin and steroid concentrations in jugular and testicular venous plasma in stallions before and after GnRH injection. J Reprod Fertil Suppl 1991;44:57-67.
3. Claus R, Hoffmann B. Oestrogens, compared to other steroids of testicular origin, in blood plasma of boars. Acta Endocrinol (Copenh) 1980;94:404-11.
4. Eisenhauer KM, McCue PM, Nayden DK, Osawa Y, Roser JF. Localization of aromatase in equine Leydig cells. Domest Anim Endocrinol 1994;11:291-8.
5. Almadhidi J, Seralini GE, Fresnel J, Silberzahn P, Gaillard JL. Immunohistochemical localization of cytochrome P450 aromatase in equine gonads. J Histochem Cytochem 1995;43:571-7.
6. Bilinska B, Lesniak M, Schmalz B. Are ovine Leydig cells able to aromatize androgens? Reprod Fertil Dev 1997;9:193-9.
7. scc, 3-beta-HSD, P450c17, and P450arom in the Hokkaido brown bear (Ursus arctos yesoensis) testis. Gen Comp Endocrinol 1993;92:439-44.
8. Komatsu T, Tsubota T, Yamamoto Y, Atoji Y, Suzuki Y. Seasonal changes in the immunolocalization of steroidogenic enzymes in the testes of the Japanese black bear (Ursus thibetanus japonicus). J Vet Med Sci 1997;59:521-9.
9. Bilinska B, Schmalz-Fraczek B, Kotula M, Carreau S. Photoperiod- dependent capability of androgen aromatization and the role of estrogens in the bank vole testis visualized by means of immunohistochemistry. Mol Cell Endocrinol 2001;178:189-98.
10. Kurosumi M, Ishimura K, Fujita H, Osawa Y. Immunocytochemical localization of aromatase in rat testis. Histochemistry 1985;83:401-4.
11. Carpino A, Pezzi V, Rago V, Bilinska B, Ando S. Immunolocalization of cytochrome P450 aromatase in rat testis during postnatal development. Tissue Cell 2001;33:349-53.
12. Nitta H, Bunick D, Hess RA, Janulis L, Newton SC, Millette CF, et al. Germ cells of the mouse testis express P450 aromatase. Endocrinology 1993;132:1396-401.
13. Brodie A, Inkster S. Aromatase in the human testis. J Steroid Biochem Mol Biol 1993;44:549-55.
14. Inkster S, Yue W, Brodie A. Human testicular aromatase: immunocytochemical and biochemical studies. J Clin Endocrinol Metab 1995;80:1941-7.
15. Conley AJ, Corbin CJ, Hinshelwood MM, Liu Z, Simpson ER, Ford JJ, et al. Functional aromatase expression in porcine adrenal gland and testis. Biol Reprod 1996;54:497-505.
16. Tsai-Morris CH, Aquilano DR, Dufau ML. Cellular localization of rat testicular aromatase activity during development. Endocrinology 1985;116:38-46.
17. Papadopoulos V, Carreau S, Szerman-Joly E, Drosdowsky MA, Dehennin L, Scholler R. Rat testis 17 beta-estradiol: identification by gas chromatography-mass spectrometry and age related cellular distribution. J Steroid Biochem 1986;24:1211-6.
18. Dean KJ. Inhibin and estradiol production by prepubertal, pubertal and postpubertal equine Sertoli cells in vitro. Thesis, University of California, Davis, 1998.
19. Pommer AC. Estradiol and inhibin production in response to follicle stimulating hormone and testosterone by pubertal and postpubertal equine Sertoli cells in vitro. Thesis, University of California, Davis, 1999.
20. Hess MF, Pommer AC, Dean KJ, Roser JF. Utilization of immunocytochemical (ICC) and cell culture methods to localize cytochrome P450 aromatase in the testis of prepubertal, pubertal and postpubertal horses. Theriogenology 2002;58:409-11 [abstract].
21. Walters KW. Maternal-conceptus signaling during early pregnancy in the mare: estrogen and insulin-like growth factor-I. Thesis, University of California, Davis, 1998.
22. Papadopoulos V, Jia MC, Culty M, Hall PF, Dym M. Rat Sertoli cell aromatase cytochrome P450: regulation by cell culture conditions and relationship to the state of cell differentiation. In Vitro Cell Dev Biol Anim 1993;29A:943-9.
23. Pomerantz DK. Interactions of follicle-stimulating hormone and luteinizing hormone in controlling estradiol synthesis by the testis of the infant rat. Biol Reprod 1983;28:890-6.
24. Payne AH, Perkins LM, Georgiou M, Quinn PG. Intratesticular site of aromatase activity and possible function of testicular estradiol. Steroids 1987;50:435-48.
25. Levallet J, Bilinska B, Mittre H, Genissel C, Fresnel J, Carreau S. Expression and immunolocalization of functional cytochrome P450 aromatase in mature rat testicular cells. Biol Reprod 1998;58:919-26.
26. Tsubota T, Howell-Skalla L, Nitta H, Osawa Y, Mason JI, Meiers PG, et al. Seasonal changes in spermatogenesis and testicular steroidogenesis in the male black bear Ursus americanus. J Reprod Fertil 1997;109:21-7.
27. Kwon S, Hess RA, Bunick D, Nitta H, Janulis L, Osawa Y, et al. Rooster testicular germ cells and epididymal sperm contain P450 aromatase. Biol Reprod 1995;53:1259-64.
28. Sipahutar H, Sourdaine P, Moslemi S, Plainfosse B, Seralini GE. Immunolocalization of aromatase in stallion Leydig cells and seminiferous tubules. J Histochem Cytochem 2003;51:311-8.
29. Carreau S. Germ cells: a new source of estrogens in the male gonad. Mol Cell Endocrinol 2001;178:65-72.
30. Gaillard JL. Equine testicular aromatase: substrates specificity and kinetic characteristics. Comp Biochem Physiol B 1991;100:107-15.
31. Clay CM, Squires EL, Amann RP, Nett TM. Influences of season and artificial photoperiod on stallions: luteinizing hormone follicle-stimulating hormone and testosterone. J Anim Sci 1988;66:1246-55.
32. Thompson DL, Pickett BW, Nett TM. Effect of season and artificial photoperiod on levels of estradiol-17beta and estrone in blood serum of stallions. J Anim Sci 1978;47:184-7.
33. Thompson Jr DL, Johnson L, St George RL, Garza Jr F. Concentrations of prolactin, luteinizing hormone and follicle stimulating hormone in pituitary and serum of horses: effect of sex, season and reproductive state. J Anim Sci 1986;63:854-60.
34. Johnson L, Thompson Jr DL. Effect of seasonal changes in Leydig cell number on the volume of smooth endoplasmic reticulum in Leydig cells and intratesticular testosterone content in stallions. J Reprod Fertil 1987;81:227-32.
35. Johnson L, Thompson Jr DL. Seasonal variation in the total volume of Leydig cells in stallions is explained by variation in cell number rather than cell size. Biol Reprod 1986;35:971-9.