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CD15 - A new marker of pathological villous immaturity of the term placenta.
MedLine Citation:
PMID:  25149387     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Idiopathic immaturity is one of the main reasons for latent placental insufficiency and antenatal hypoxia. Postnatal identification of the immature placental phenotype may help early stratification of a heterogeneous population of newborns and individually identify risk of disease in the immediate postnatal life. The aim of the study was to determine the relevant diagnostic markers associated with pathological placental immaturity.
METHODS: 111 tissue samples from normal and pathological term placentas with persisting villous immaturity comprised the comparative immunohistochemical study (CD15, CD34). Positive immunohistochemical reactions were quantitatively assessed in the chorionic plate and vessels of the villi of different histological type.
RESULTS: We have shown that pathological villous immaturity is attended by significantly increased CD15-expression in the macro- and microvascular endothelium compared with the normal placenta. CD34-expression was not different from that in normal placentas.
DISCUSSION: This paper documents the correlation of CD15+ endothelium in the macrovascular fetoplacental vessels with a severe form of villous immaturity associated with fetal hypoxia/asphyxia and erythroblastosis. Increased CD15-expression only in the microvascular segment of the fetoplacental vessels correlated with moderate villous immaturity and was associated with GDM, idiopathic fetal macrosomia and nonspecific chronic villitis.
CONCLUSION: We propose that "immature" CD15+ endothelium is an important diagnostic marker of persisting villous immaturity and chronic placental dysfunction. The level of CD15 expression in the macro- and microvasculature reflects the degree of pathological placental villous immaturity.
L Seidmann; T Suhan; Y Kamyshanskiy; A Nevmerzhitskaya; V Gerein; C J Kirkpatrick
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-8-12
Journal Detail:
Title:  Placenta     Volume:  -     ISSN:  1532-3102     ISO Abbreviation:  Placenta     Publication Date:  2014 Aug 
Date Detail:
Created Date:  2014-8-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006349     Medline TA:  Placenta     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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