The levels of hypoxia-regulated microRNAs in plasma of pregnant women with fetal growth restriction

被引：153

作者：

Mouillet, J. -F. ^{[1
]}

Chu, T. ^{[1
]}

Hubel, C. A. ^{[1
]}

Nelson, D. M. ^{[2
]}

Parks, W. T. ^{[3
]}

Sadovsky, Y. ^{[1
,4
]}

机构：

[1] Univ Pittsburgh, Dept Obstet Gynecol & Reprod Sci, Magee Womens Res Inst, Pittsburgh, PA 15213 USA

[2] Washington Univ, Dept OBGYN, St Louis, MO USA

[3] Univ Pittsburgh, Dept Pathol, Pittsburgh, PA 15213 USA

[4] Univ Pittsburgh, Dept Microbiol & Mol Genet, Pittsburgh, PA 15213 USA

来源：

PLACENTA | 2010年 / 31卷 / 09期

关键词：

Trophoblast; Fetal growth restriction; Hypoxia; Plasma; microRNA; CELL-FREE FETAL; DIAGNOSTIC BIOMARKERS; HUMAN TROPHOBLASTS; MATERNAL PLASMA; MESSENGER-RNAS; EXOSOMES; EXPRESSION; CANCER; MICROVESICLES; PREECLAMPSIA;

D O I：

10.1016/j.placenta.2010.07.001

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

MicroRNAs (miRNAs) are short non-coding RNAs that regulate gene expression at the post-transcriptional level. While mostly intracellular, a portion of cellular miRNAs is released to the circulation and their level in the plasma is altered in certain pathological conditions such as cancer, and also during pregnancy. We examined the circulating levels of a set of trophoblastic miRNAs, which we recently found to be regulated by hypoxia, in the plasma of pregnant women with fetal growth restriction (FGR). Pregnancy was associated with increased plasma levels of several placenta-specific miRNAs, compared to non-pregnant controls. Among pregnant women, the overall levels of miRNA species that we analyzed were increased by 1.84-fold (p <= 0.01) in plasma of women with pregnancies complicated by FGR, but decreased in FGR placentas by 24% (p <= 0.01) compared to values from uncomplicated pregnancies. Together, our results show that plasma concentration of miRNAs is regulated in pregnancy, and that FGR is associated with increased circulating miRNA levels, highlighting the need to explore plasma miRNAs as potential biomarkers for placental diseases. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：781 / 784

页数：4

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