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HYPOTHALAMIC LUTEINIZING-HORMONE-RELEASING HORMONE CONTENT IN RELATION TO THE SEASONAL REPRODUCTIVE-CYCLE OF XENOPUS-LAEVIS

被引：39
作者：
KING, JA
MILLAR, RP
机构：
[1] UNIV CAPE TOWN,SCH MED,DEPT CHEM PATHOL,CAPE TOWN 7900,SOUTH AFRICA
[2] GROOTE SCHUUR HOSP,CAPE TOWN,SOUTH AFRICA
来源：
GENERAL AND COMPARATIVE ENDOCRINOLOGY | 1979年 / 39卷 / 03期
基金：
英国医学研究理事会;
关键词：
D O I：
10.1016/0016-6480(79)90125-4
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Immunoreactive luteinizing hormone-releasing hormone (LH-RH) was quantitated in hypothalamic extracts of the frog (Xenopus laevis) and demonstrated to be indistinguishable from synthetic mammalian LH-RH. Hypothalamic immunoreactive LH-RH content varied in relation to season and reproductive physiological state in the frog. Hypothalamic LH-RH content was low in sexually quiescent frogs collected in the nonbreeding season (winter), while LH-RH concentration was high in reproductively active frogs collected in the breeding season (spring). It seems likely, therefore, that environmental cues stimulate the reproductive system in the frog by increasing LH-RH production and secretion. © 1979.
引用
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页码：309 / 312
页数：4
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