Document Detail

mRNA expression pattern of gonadotropin receptors in bovine follicular cysts.
MedLine Citation:
PMID:  25454493     Owner:  NLM     Status:  In-Data-Review    
Follicular growth and steroidogenesis are dependent on gonadotropin binding to their receptors in granulosa and theca cells of ovarian follicles. The aim of the present study was to evaluate the expression patterns of follicle-stimulating hormone receptor (FSHR) and luteinizing hormone receptor (LHCGR) in ovarian follicular structures from cows with cystic ovarian disease (COD) as compared with those of regularly cycling cows. Relative real-time RT-PCR analysis showed that the expression of FSHR mRNA in granulosa cells was highest in small antral follicles, then decreased significantly as follicles increased in size, and was lowest in cysts. FSHR mRNA was not detected in the theca cells of any follicular category, including cysts. LHCGR mRNA expression in granulosa cells was significantly higher in large antral follicles than in cysts, and not detected in granulosa cells of small and medium antral follicles. In theca cells, the expression level of LHCGR mRNA in medium antral follicles was higher than in small and large antral follicles, whereas that in follicular cysts it was similar to those in small and medium antral follicles, but higher than that in large antral follicles. Our findings provide evidence that there is an altered gonadotropin receptor expression in bovine cystic follicles, and suggest that in conditions characterized by altered ovulation, such as COD, changes in the signaling system of gonadotropins may play a fundamental role in their pathogenesis.
Belkis E Marelli; Pablo U Diaz; Natalia R Salvetti; Florencia Rey; Hugo H Ortega
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Publication Detail:
Type:  Journal Article     Date:  2014-08-30
Journal Detail:
Title:  Reproductive biology     Volume:  14     ISSN:  1642-431X     ISO Abbreviation:  Reprod Biol     Publication Date:  2014 Dec 
Date Detail:
Created Date:  2014-12-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101160559     Medline TA:  Reprod Biol     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  276-81     Citation Subset:  IM    
Copyright Information:
Copyright © 2014 Society for Biology of Reproduction & the Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn. Published by Elsevier Urban & Partner Sp. z o.o. All rights reserved.
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