Steroidal Modulation of in Vitro Gonadotropin Secretion in Prepubertal and Adult Male Siberian Hamsters

Journal of Experimental Zoology Part A: Comparative Experimental Biology

Volumn 298, Issue 1, 2003, Pages 53-59

  Pak, Toni R ^a,b   Lynch, G Robert ^a   Tsai, Pei San ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b Department of Environmental and Radiological Health Sciences   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRICETINAE; PHODOPUS;

ESTRADIOL; FOLLITROPIN; GONADORELIN; LUTEINIZING HORMONE; TESTOSTERONE;

AGING; ANALYSIS OF VARIANCE; ANIMAL; ARTICLE; COMPARATIVE STUDY; HAMSTER; IN VITRO STUDY; PHODOPUS; PHYSIOLOGY; SECRETION;

AGING; ANALYSIS OF VARIANCE; ANIMALS; CRICETINAE; ESTRADIOL; FOLLICLE STIMULATING HORMONE; GONADOTROPIN-RELEASING HORMONE; LUTEINIZING HORMONE; PHODOPUS; TESTOSTERONE;

EID: 0141559272     PISSN: 0022104X     EISSN: None     Source Type: Journal    
DOI: 10.1002/jez.a.10266     Document Type: Article

References (22)

1. Anand S, Losee-Olson S, Turek FW, Horton TH. 2002. Differential regulation of luteinizing hormone and follicle-stimulating hormone in male Siberian hamsters by exposure to females and photoperiod. Endocrinology 143:2178-2188.
2. Bernard DJ, Merzlyak IY, Horton TH, Turek FW. 2000. Differential regulation of pituitary gonadotropin subunit messenger ribonucleic acid levels in photostimulated Siberian hamsters. Biol Reprod 62:155-161.
3. Calogero AE, Burrello N, Ossino AM, Polosa P, D'Agata R. 1998. Activin-A stimulates hypothalamic gonadotropin-releasing hormone release by the explanted male rat hypothalamus: interaction with inhibin and androgens. J Endocrinol 156:269-274.
4. Fingscheidt U, Weinbauer GF, Fehm HL, Nieschlag E. 1998. Regulation of gonadotrophin secretion by inhibin, testosterone, and gonadotrophin-releasing hormone in pituitary cell cultures of male monkeys. J Endocrinol 159:103-110.
5. Gustafson AW, Damassa DA, Pratt RD, Kwiecinski GG. 1989. Post-natal patterns of plasma androgen-binding activity in Djungarian (Phodopus sungorus) and golden (Mesocricetus auratus) hamsters. J Reprod Fert 86:91-104.
6. Hayes FJ, Decruz S, Seminara SB, Boepple PA, Crowley Jr. WF. 2001. Differential regulation of gonadotropin secretion by testosterone in the human male: absence of a negative feedback effect of testosterone on follicle-stimulating hormone secretion. J Clin Endo Metab 86:53-58.
7. Kawakami S, Winters SJ. 1999. Regulation of luteinizing hormone secretion and subunit messenger ribonucleic acid expression by gonadal steroids in perifused pituitary cells from male monkeys and rats. Endocrinology 140:3587-3593.
8. Kitahara S, Winters SJ, Oshima H, Troen P. 1991. Effects of gonadal steroids on follicle-stimulating hormone and luteinizing hormone secretion by pituitary cells from castrated and intact male rats. Biol Reprod 44:121-126.
9. Kotsuji F, Winters SJ, Attardi B, Keeping HS, Oshima H, Troen P. 1988. Effects of gonadal steroids on gonadotropin secretion in males: studies with perifused rat pituitary cells. Endocrinology 123:2683-2689.
10. nd ed. New York: Raven Press, Ltd. p 363-409.
11. Olster DH, Foster DL. 1986. Control of gonadotropin secretion in the male during puberty: a decrease in response to steroid inhibitory feedback in the absence of an increase in steroid-independent drive in the sheep. Endocrinology 118:2225-2234.
12. Pak TR, Lynch GR, Tsai P-S. 2001. Testosterone and estrogen act via different pathways to inhibit puberty in the male Siberian hamster (Phodopus sungorus). Endocrinology 142:3309-3316.
13. Pak TR, Lynch GR, Tsai P-S. 2002a. Differential alteration of the reproductive axis by testosterone and estrogen in peripubertal and adult male Siberian hamsters (Phodopus sungorus). Biol Reprod 67:706-711.
14. Pak TR, Lynch GR, Tsai P-S. 2002b. Estrogen accelerates gonadal recrudescence in photo-regressed male Siberian hamsters. Endocrinology 143:4131-4134.
15. Reiter EO. 1982. Neuroendocrine control mechanisms and the onset of puberty. Ann Rev Physiol 44:595-613.
16. Sheckter CB, Matsumoto AM, Bremner WJ. 1989. Testosterone administration inhibits gonadotropin secretion by an effect directly on the human pituitary. J Clin Endo Metab 68:397-401.
17. Simpson SM, Follett BK, Ellis DH. 1982. Modulation by photoperiod of gonadotrophin secretion in intact and castrated Djungarian hamsters. J Reprod Fert 66: 243-250.
18. Sisk CL, Turek FW. 1983. Developmental time course of pubertal and photoperiodic changes in testosterone negative feedback on gonadotropin secretion in the golden hamster. Endocrinology 112:1208-1216.
19. Tilbrook AJ, Clarke IJ. 2001. Negative feedback regulation of the secretion and actions of gonadotropin-releasing hormone in males. Biol Reprod 64:735-742.
20. Tilbrook AJ, de Kretser DM, Cummins JT, Clarke IJ. 1991. The negative feedback effects of testicular steroids are predominantly at the hypothalamus in the ram. Endocrinology 129:3080-3092.
21. Tilbrook AJ, de Kretser DM, Clarke IJ. 2001. Influence of the degree of stimulation of the pituitary by gonadotropin-releasing hormone on the action of inhibin and testosterone to suppress the secretion of gonadotropins in rams. Biol Reprod 64:473-481.
22. Winters SJ, Ishizaka K, Kitahara S, Troen P, Attardi B, Ghooray D, Sczcepanski J. 1992. Effects of testosterone on gonadotropin subunit messenger ribonucleic acids in the presence or absence of gonadotropin-releasing hormone. Endocrinology 130:726-734.