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Cited by 696

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Differential Regulation of KiSS-1 mRNA Expression by Sex Steroids in the Brain of the Male Mouse

Open access
Smith, Jeremy T., Dungan, Heather M., Stoll, Elizabeth A., Gottsch, Michelle L., Braun, Robert E., Eacker, Stephen M., Clifton, Donald K, Steiner, Robert A.·2005·Endocrinology

Abstract

Kisspeptins are products of the Kiss1 gene, which bind to GPR54, a G protein-coupled receptor. Kisspeptins and GPR54 have been implicated in the neuroendocrine regulation of GnRH secretion. To test the hypothesis that testosterone regulates Kiss1 gene expression, we compared the expression of KiSS-1 mRNA among groups of intact, castrated, and castrated/testosterone (T)-treated male mice. In the arcuate nucleus (Arc), castration resulted in a significant increase in KiSS-1 mRNA, which was completely reversed with T replacement, whereas in the anteroventral periventricular nucleus, the results were the opposite, i.e. castration decreased and T increased KiSS-1 mRNA expression. In the Arc, the effects of T on KiSS-1 mRNA were completely mimicked by estrogen but only partially mimicked by dihydrotestosterone, a nonaromatizable androgen, suggesting that both estrogen receptor (ER) and androgen receptor (AR) play a role in T-mediated regulation of KiSS-1. Studies of the effects of T on KiSS-1 expression in mice with either a deletion of the ERalpha or a hypomorphic allele to the AR revealed that the effects of T are mediated by both ERalpha and AR pathways, which was confirmed by the presence of either ERalpha or AR coexpression in most KiSS-1 neurons in the Arc. These observations suggest that KiSS-1 neurons in the Arc, whose transcriptional activity is inhibited by T, are targets for the negative feedback regulation of GnRH secretion, whereas KiSS-1 neurons in the anteroventral periventricular nucleus, whose activity is stimulated by T, may mediate other T-dependent processes.

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Crossref · 10.1210/en.2005-0323

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Metadata

Authors
Smith, J. T., Dungan, H. M., Stoll, E. A., Gottsch, M. L., Braun, R. E., Eacker, S. M., Clifton, D. K., & Steiner, R. A.
Venue
Endocrinology
Published
2005-07
Volume
146
Issue
7
Pages
2976-2984
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2091398724
Cited by
696
References
8
FWCI
33.81
Type
journal article
Language
en
Open access
bronze

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