Elevated KiSS-1 expression in the arcuate nucleus prior to the cyclic preovulatory gonadotrophin-releasing hormone/lutenising hormone surge in the ewe suggests a stimulatory role for kisspeptin in oestrogen-positive feedback

被引:160
作者
Estrada, K. M.
Clay, C. M.
Pompolo, S.
Smith, J. T.
Clarke, I. J.
机构
[1] Monash Univ, Dept Physiol, Monash, Vic 3800, Australia
[2] Prince Henrys Inst Med Res, Clayton, Vic, Australia
[3] Colorado State Univ, Dept Physiol, Ft Collins, CO 80523 USA
关键词
hypothalamus; oestrous cycle; oestrogen receptor;
D O I
10.1111/j.1365-2826.2006.01485.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Kisspeptins are encoded by the gene KiSS-1 and regulate gonadotrophin-releasing hormone (GnRH) and gonadotrophin secretion in various species, including humans. Here, we quantify gene expression of KiSS-1 in the arcuate nucleus (ARC) across the ovine oestrous cycle and demonstrate an increase in the caudal division of the ARC during the preovulatory period. These data strongly suggest that kisspeptins are involved in the generation of the preovulatory GnRH and luteinising hormone surge.
引用
收藏
页码:806 / 809
页数:4
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