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Pre-eclampsia is associated with elevated CXCL12 levels in placental syncytiotrophoblasts and maternal blood.
MedLine Citation:
PMID:  21450389     Owner:  NLM     Status:  Publisher    
OBJECTIVES: Placental derived vasculogenic/angiogenic substances in maternal blood are dysregulated in pre-eclampsia. We hypothesized that CXCL12, a chemokine with vasculogenic actions, is amongst such molecules. STUDY DESIGN: CXCL12, CXCL16, CXCR4, and CXCR6 immunolocalization in placental tissue was analyzed in pre-eclampsia (n=8) in comparison to controls (n=8). CXCL12, measured by ELISA in blood, in women diagnosed with pre-eclampsia (n=14) and prior to the development of pre-eclampsia (at 20 weeks' gestation, n=20) was compared with CXCL12 concentrations in gestation-matched, healthy control subjects (n=34). RESULTS: In placental tissue, syncytiotrophoblast staining for CXCL12 was increased in pre-eclampsia. Maternal serum CXCL12 was increased in pre-eclampsia [2000 (SD 402) vs 1484 (SD 261)pg/ml, P=0.01] but not in plasma obtained at 20 weeks of gestation prior to the onset of pre-eclampsia [1183 (SD 336) vs 1036 (SD 144)pg/ml, P=0.09]. CONCLUSION: Our data suggest that the syncytiotrophoblast contributes to a pre-eclampsia-associated increase in CXCL12 levels in maternal blood. These findings support the hypothesis that an imbalance of angiogenic factors contributes to the pathogenesis of pre-eclampsia.
Andrea Schanz; Virginia D Winn; Susan J Fisher; Marion Blumenstein; Christian Heiss; Alexandra P Hess; Jan S Kruessel; Michael McMaster; Robyn A North
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-28
Journal Detail:
Title:  European journal of obstetrics, gynecology, and reproductive biology     Volume:  -     ISSN:  1872-7654     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375672     Medline TA:  Eur J Obstet Gynecol Reprod Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011. Published by Elsevier Ireland Ltd.
Department of Cell and Tissue Biology, University of California, San Francisco, United States; University Duesseldorf, Medical Faculty, Department of Obstetrics, Gynecology and REI (UniKiD), Germany.
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