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Expression patterns of the steroid receptor coactivator family in human ovarian endometriosis.
MedLine Citation:
PMID:  21518137     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Aim:  Endometriosis is an estrogen-dependent disease that causes pelvic pain and infertility. In this study, to examine the estrogen-dependent mechanisms of human endometriosis, we focused on the expression patterns of the steroid receptor coactivator (SRC) family of cofactors for nuclear steroid receptors and estrogen receptor α (ERα). Material and Methods:  The expression patterns of SRC-1, transitional intermediary factor 2 (TIF2), SRC-3, and ERα, were analyzed by immunohistochemistry of normal endometrium and ovarian endometriotic tissue. In addition, reverse transcription polymerase chain reaction (RT-PCR) for the SRCs was performed for ovarian endometriosis. Results:  SRCs were expressed in all examined tissues. The expression levels of SRC-1 and the number of SRC-1-positive cells in ovarian endometriosis were greater than those of TIF2 and SRC-3. In addition, immunohistochemistry showed that ERα was colocalized with SRC-1 in almost all glandular and many stromal cells in ovarian endometriotic tissue. Conclusion:  The present study demonstrates the expression pattern of SRCs in ovarian endometriosis. It appears that SRC-1 is predominant among the other SRC family members and colocalizes with ERα. Although further study is needed, SRC-1 may affect the transcriptional activity of ERα in human ovarian endometriosis.
Authors:
Atsuko Kumagami; Akiko Ito; Hiromi Yoshida-Komiya; Keiya Fujimori; Akira Sato
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-26
Journal Detail:
Title:  The journal of obstetrics and gynaecology research     Volume:  -     ISSN:  1341-8076     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9612761     Medline TA:  J Obstet Gynaecol Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 The Authors. Journal of Obstetrics and Gynaecology Research © 2011 Japan Society of Obstetrics and Gynecology.
Affiliation:
Department of Obstetrics and Gynecology, School of Medicine, Fukushima Medical University, Fukushima Department of Integrated Women's Health, St. Luke's International Hospital, Tokyo, Japan.
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