期刊
PLACENTA
卷 32, 期 3, 页码 264-268出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.placenta.2010.12.015
关键词
Annexin A5; Preeclampsia; Fetal growth restriction; Placenta; Immunohistochemistry
Objective: To study the expression of Annexin AS (A5) in relation to preeclampsia using immunohistochemical Tissue Microarray (TMA) technique. Study design: Case-control study of 66 singleton preeclamptic (PE) patients matched for gestational age (GA) at delivery with 63 normotensive controls with normally grown fetuses. Immunohistochemical expression of A5 and other population characteristics were compared between the two groups using Chi-square, One-way ANOVA, Spearman's Correlation, and Linear Regression. Results: The two groups were similar for maternal age and rate of corticosteroid administration, but differed for nulliparity, Body Mass Index (BMI), blood pressure, presence of placental histological lesions, and placental weight. Expression of A5 was similar in PE and controls (p = 0.10); however it was found to be lower in PE cases complicated by fetal growth restriction (FGR, n = 34) compared with matched controls (n = 55) (p = 0.04). An inverse correlation was found between A5 and GA in cases but not in controls (p = 0.04 vs p = 0.71). The association was even more significant in the subgroup of PE complicated by FGR (p = 0.02). A5 expression was not influenced by blood pressure, proteinuria, or placental weight. Conclusions: Annexin AS expression seems to be related only to FGR and not to PE or its clinical severity. (C) 2010 Elsevier Ltd. All rights reserved.
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