Seasonal fluctuations in pituitary gland and plasma levels of gonadotropic hormones in Rana

General and Comparative Endocrinology

Volumn 109, Issue 1, 1998, Pages 13-23

  Kim, Jung W ^a   Im, Wook Bin ^a   Choi, Han H ^a   Ishii, S ^b   Kwon, Hyuk B ^a  

^a Chonnam National University   (South Korea)

^b WASEDA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

FOLLITROPIN; LUTEINIZING HORMONE;

ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTICLE; BREEDING; CONTROLLED STUDY; FOLLITROPIN BLOOD LEVEL; FROG; GONADOTROPIN RELEASE; HIBERNATION; LUTEINIZING HORMONE BLOOD LEVEL; NONHUMAN; OVARY CYCLE; PRIORITY JOURNAL; RADIOIMMUNOASSAY; RADIOIODINATION; SEASONAL VARIATION; SEX DIFFERENCE; SPECIES DIFFERENCE;

RANA;

EID: 0031914150     PISSN: 00166480     EISSN: 10956840     Source Type: Journal    
DOI: 10.1006/gcen.1997.6992     Document Type: Article

References (24)

1. Ahn, R. S., Ko, S. K., Bai, D. G., Yoon, Y. D., and Kwon, H. B. (1993). Steroidogenic shift by cultured ovarian follicles of Rana dybowskii at breeding season. J. Exp. Zool. 267, 275-282.
2. Bronson, F. H., and Heideman, P. D. (1994). Seasonal regulation of reproduction in mammals. In "The Physiology of Reproduction" (E. Knobil and J. D. Neill, Eds.), Vol. 2, pp. 541-583. Raven Press, New York.
3. Chieffi, G., and Pierantoni, R. (1987). Regulation of ovarian steroido-genesis. In "Hormone and Reproduction in Fishes, Amphibians and Reptilesv (D. O. Norris and R. E. Jones, Eds.), pp. 117-144. Plenum, New York.
4. Delgado, M. J., Gutierrez, P., and Alonso-Bedate, M. (1989). Seasonal cycles in testicular activity in the frog, Rana perezi. Gen. Comp. Endocrinol. 73, 1-11.
5. D'Istria, M., Delrio, G., Botte, V., and Chieffi, G. (1974). Radioimmunoassay of testosterone, 17β-estradiol and oestrone in the male and female plasma of Rana esculenta during sexual cycle. Steroids Lipids Res. 5, 42-48.
6. Fasano, S., Minucci, S., Matteo, L. D., D'Antinio, M., and Pierantoni, R. (1989). Intratesticular feedback mechanisms in the regulation of steroid profiles in the frog, Rana esculenta. Gen. Comp. Endocrinol. 75, 335-342.
7. Hasumi, M., Iwasawa, H., and Nagahama, Y. (1993). Seasonal changes in plasma concentrations of sex steroids in the salamander Hynobius nigrescens. Gen. Comp. Endocrinol. 90, 51-57.
8. Ishii, S., and Itoh, M. (1992). Amplexus induces surge of luteinizing hormone in male toads, Bufo japonicus. Gen. Comp. Endocrinol. 86, 34-41.
9. Itoh, M., and Ishii, S. (1990). Changes in plasma levels of gonadotropins and sex steroids in the toad, Bufo japonicus, in association with behavior during the breeding season. Gen. Comp. Endocrinol. 80, 451-464.
10. Itoh, M., Inoue, M., and Ishii, M. (1990). Annual cycle of pituitary and plasma gonadotropins and plasma sex steroids in a wild population of the toad, Bufo japonicus. Gen. Comp. Endocrinol. 78, 242-253.
11. Kikuchi, M., and Ishii, S. (1989). Radioiodination of chicken luteinizing hormone without affecting receptor binding potency. Biol. Reprod. 41, 1047-1054.
12. Kwon, H. B., Choi, H. H., Ahn, R. S., and Yoon, Y. D. (1991). Steroid production by amphibian (Rana nigromaculata) ovarian follicles at different developmental stages. J. Exp. Zool. 260, 66-73.
13. Kwon, H. B., Chang, K. J., Yoo, Y. R., Lee, C. C., and Schuetz, A. W. (1992). Induction of ovulation and oocyte maturation of amphibian (Rana dybowskii) ovarian follicles by protein kinase C activation in vitro. Biol. Reprod. 47, 169-176.
14. Kwon, H. B., Ahn, R. S., Lee, W. K., Im, W-B., and Kim, K. (1993). Changes in the activities of steroidogenic enzymes during the development of ovarian follicles in Rana nigromaculata. Gen. Comp. Endocrinol. 92, 225-232.
15. Licht, P., McCreery, B. R., Barnes, R., and Pang, R. (1983). Seasonal and stress related changes in plasma gonadotropins, sex steroids, and corticosterone in the bullfrog, Rana catesbeiana. Gen. Comp. Endocrinol. 50, 124-145.
16. Rastogi, R. K. (1976). Seasonal cycle in anuran (amphibia) testis: The endocrine and environmental controls. Boll. Zool. 43, 151-172.
17. Rastogi, R. K., Iela, L., Saxena, P. K., and Chieffi, G. (1976). The control of spermatogenesis in the green frog, Rana esculenta. J. Exp. Zool. 196, 151-166.
18. Rastogi, R. K., Iela, L., Delrio, G., Di Meglio, G., Russo, A., and Chieffi, G. (1978). Environmental influence on testicular activity in the green frog, Rana esculenta. J. Exp. Zool. 206, 49-64.
19. Sotowska-Brochocka, J., Martynska, L., and Licht, P. (1992). Changes of LH level in the pituitary gland and plasma in hibernating frogs, Rana temporaria. Gen. Comp. Endocrinol. 87, 286-291.
20. Specker, J. L., and Moore, F. L. (1980). Annual cycle of androgens and testicular composition in the rough-skinned newt, Taricha granulosa. Gen. Comp. Endocrinol. 42, 297-303.
21. Takada, K., and Ishii, S. (1984). Purification of bullfrog gonadotropins: Presence of new subspecies of luteinizing hormone with high isoelectric points. Zool. Sci. 1, 617-629.
22. Takada, K., Itoh, M., Nishio, H., and Ishii, S. (1989). Purification of toad (Bufo japonicus) gonadotropins and development of their homologous radioimmunoassays. Zool. Sci. 6, 963-974.
23. Wada, M., Wingfield, J. C., and Gorbman, A. (1976). Correlation between blood level of androgens and sexual behavior in male leopard frogs, Rana pipiens. Gen. Comp. Endocrinol. 29, 72-77.
24. Whittier, J. M., and Crews, D. (1987). Seasonal reproduction: Patterns and control. In "Hormone and Reproduction in Fishes, Amphibians and Reptiles" (D. O. Norris and R. E. Jones, Eds.), pp. 385-409. Plenum, New York.