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Cited by 492

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Sexual Differentiation of Kiss1 Gene Expression in the Brain of the Rat

Kauffman, Alexander S., Gottsch, Michelle L., Roa, Juan, Byquist, Alisa C., Crown, Angelena, Clifton, Don K., Hoffman, Gloria E., Steiner, Robert A., Tena-Sempere, Manuel·2007·Endocrinology

Abstract

The Kiss1 gene codes for kisspeptins, which have been implicated in the neuroendocrine regulation of reproduction. In the brain, Kiss1 mRNA-expressing neurons are located in the arcuate (ARC) and anteroventral periventricular (AVPV) nuclei. Kiss1 neurons in the AVPV appear to play a role in generating the preovulatory GnRH/LH surge, which occurs only in females and is organized perinatally by gonadal steroids. Because Kiss1 is involved in the sexually dimorphic GnRH/LH surge, we hypothesized that Kiss1 expression is sexually differentiated, with females having more Kiss1 neurons than either males or neonatally androgenized females. To test this, male and female rats were neonatally treated with androgen or vehicle; then, as adults, they were left intact or gonadectomized and implanted with capsules containing sex steroids or nothing. Kiss1 mRNA levels in the AVPV and ARC were determined by in situ hybridization. Normal females expressed significantly more Kiss1 mRNA in the AVPV than normal males, even under identical adult hormonal conditions. This Kiss1 sex difference was organized perinatally, as demonstrated by the observation that neonatally androgenized females displayed a male-like pattern of adulthood Kiss1 expression in the AVPV. In contrast, there was neither a sex difference nor an influence of neonatal treatment on Kiss1 expression in the ARC. Using double-labeling techniques, we determined that the sexually differentiated Kiss1 neurons in the AVPV are distinct from the sexually differentiated population of tyrosine hydroxylase (dopaminergic) neurons in this region. Our findings suggest that sex differences in kisspeptin signaling from the AVPV subserve the cellular mechanisms controlling the sexually differentiated GnRH/LH surge.

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Metadata

Authors
Kauffman, A. S., Gottsch, M. L., Roa, J., Byquist, A. C., Crown, A., Clifton, D. K., Hoffman, G. E., Steiner, R. A., & Tena-Sempere, M.
Venue
Endocrinology
Published
2007-04-01
Volume
148
Issue
4
Pages
1774-1783
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2118750014
Cited by
492
References
9
FWCI
34.40
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Sexual Differentiation of Kiss1 Gene Expression in the Brain of the Rat. https://app.cochat.ai/papers/10.1210/en.2006-1540
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Kauffman, A. S., Gottsch, M. L., Roa, J., Byquist, A. C., Crown, A., Clifton, D. K., Hoffman, G. E., Steiner, R. A., & Tena-Sempere, M. (2007). Sexual Differentiation of Kiss1 Gene Expression in the Brain of the Rat. Endocrinology. https://doi.org/10.1210/en.2006-1540

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