Document Detail

Syncytiotrophoblast-derived microparticle shedding in early-onset and late-onset severe pre-eclampsia.
MedLine Citation:
PMID:  22986096     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To determine the concentration of syncytiotrophoblast-derived microparticles (STBMs) in the maternal circulation and the rate of syncytiotrophoblast apoptosis in the placenta of patients with early-onset and late-onset severe pre-eclampsia. METHODS: A prospective case-control study was conducted that enrolled 15 women with early-onset severe pre-eclampsia, 15 women with late-onset severe pre-eclampsia, and 10 women with normal pregnancies. Plasma STBM levels were measured by enzyme-linked immunosorbent assay, while placental levels of active caspase-3 were determined by western blotting. Human umbilical vein endothelial cells (HUVECs) were cultured with STBMs and the proliferation and apoptosis rates of the HUVECs assessed. RESULTS: Levels of STBMs in the early-onset group (71.2±20.7ng/mL) were significantly higher than those detected in the late-onset group (41.9±29.7ng/mL) and the control group (26.3±11.2ng/mL) (P<0.05). The amount of active caspase-3 was increased in the early-onset (0.85±0.61) and late-onset groups (0.77±0.46) relative to the control group (0.32±0.15) (P<0.05). Proliferation of HUVECs was inhibited, while apoptosis was elevated, following co-culture with STBMs. CONCLUSION: Shedding of STBMs into the maternal circulation occurs in greater amounts in early-onset pre-eclampsia than in late-onset pre-eclampsia.
Yu Chen; Yajuan Huang; Rongzhen Jiang; Yincheng Teng
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-14
Journal Detail:
Title:  International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics     Volume:  -     ISSN:  1879-3479     ISO Abbreviation:  Int J Gynaecol Obstet     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0210174     Medline TA:  Int J Gynaecol Obstet     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.
Department of Obstetrics and Gynecology, Shanghai Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China.
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