Document Detail


SOCS genes expression during physiological and perturbed implantation in bovine endometrium.
MedLine Citation:
PMID:  25187621     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In mammals, Suppressor Of Cytokine Signalling (CISH, SOCS1 to SOCS7) factors control signalling pathways involved in the regulation of numerous physiological processes including pregnancy. In order to gain new insights into the biological functions of SOCS in the endometrium, a comprehensive analysis of SOCS gene expression was carried out in bovine caruncular and intercaruncular tissues collected (i) during the oestrous cycle (ii) at the time of maternal recognition of pregnancy and at implantation in inseminated females (iii) following uterine IFNT infusion at day 14 post-oestrus, (iv) following a period of controlled intravaginal progesterone release and (v) following transfer of embryos produced by somatic cell nuclear transfer (SCNT). The regulatory effects of IFNT on in vitro cultured epithelial and stromal cells were also examined. Altogether our data showed that CISH, SOCS4, SOCS5 and SOCS7 mRNA levels were poorly affected during luteolysis and pregnancy. In contrast, SOCS1, SOCS2, SOCS3 and SOCS6 mRNA levels were strongly up-regulated at implantation (day 20 of pregnancy). Experimental in vitro and in vivo models demonstrated that only CISH, SOCS1, SOCS2 and SOCS3 were IFNT-induced genes. Immunohistochemistry showed an intense SOCS3 and SOCS6 staining in the nucleus of luminal and glandular epithelium and of stromal cells of pregnant endometrium. Finally, SOCS3 expression was significantly increased in SCNT pregnancies in keeping with the altered immune function previously reported in this model of compromised implantation. Collectively, our data suggest that spatio-temporal changes of endometrial SOCS gene expression reflect the acquisition of receptivity, maternal recognition of pregnancy and implantation.
Authors:
Anaïs Vitorino Carvalho; Pierrette Reinaud; Niamh Forde; Gareth D Healey; Caroline Eozenou; Corinne Giraud-Delville; Nadéra Mansouri-Attia; Laurence Gall; Christophe Richard; Pat Lonergan; Iain Martin Sheldon; Richard G Lea; Olivier Sandra
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-9-3
Journal Detail:
Title:  Reproduction (Cambridge, England)     Volume:  -     ISSN:  1741-7899     ISO Abbreviation:  Reproduction     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-9-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100966036     Medline TA:  Reproduction     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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