Document Detail

Expression of synaptophysin and its mRNA in bovine corpus lutea during different stages of pregnancy.
MedLine Citation:
PMID:  23178049     Owner:  NLM     Status:  Publisher    
In order to investigate the expression of mRNA and protein for synaptophysin (SYP) in bovine corpus luteum (CL) during different stages of pregnancy, we chose Holstein cows during various pregnancy stages. The CL was divided into two parts, then immunohistochemical streptavidin-perosidase and RT-PCR were used to determine the levels of protein and mRNA for SYP respectively. SYP immunoreactive products mainly located in large luteal cells; much less or no immunoreactivity was found in small luteal cells. The expression levels of SYP were different in various stages of pregnancy. In the CL of mid pregnancy, the levels of protein and mRNA for SYP were both significantly higher than those in early and late stage of pregnancy (P<0.05). After parturition, compared with late stage of pregnancy, the protein level of SYP decreased (P<0.05), but its mRNA increased (P<0.05). In conclusion, SYP has the strongest expression in mid stage of pregnancy, and its regular expression in bovine CL indicates that SYP may play important roles in maintaining the function of bovine CL and in the regulation of production.
Wenhua Zhang; Shulin Chen; Zhonghui Wang; Caiyan Tang; Xia Meng; Feihu Li; Shanting Zhao
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-21
Journal Detail:
Title:  Research in veterinary science     Volume:  -     ISSN:  1532-2661     ISO Abbreviation:  Res. Vet. Sci.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401300     Medline TA:  Res Vet Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China. Electronic address:
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