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3'-UTR Polymorphisms in the Vascular Endothelial Growth Factor Gene (VEGF) Contribute to Susceptibility to Recurrent Pregnancy Loss (RPL).

ABSTRACT: Numerous studies have examined the genetic association of vascular endothelial growth factor (VEGF) single nucleotide polymorphisms (SNPs) with recurrent pregnancy loss (RPL). However, of the four known SNPs in the 3'-untranslated region (3'-UTR) of VEGF, three SNPs-namely rs3025040 (1451C>T), rs10434 (1612G>A), and rs3025053 (1725G>A)-remain poorly characterized with regard to RPL. Herein, we evaluated the association between these three SNPs in the VEGF 3'-UTR and RPL susceptibility. We analyzed VEGF 3'-UTR gene variants in with and without RPL using TaqMan allelic discrimination. There were significant differences in the genotype frequencies of 1612G>A (GA: adjusted odds ratio (AOR), 0.652; 95% confidence interval (CI), 0.447-0.951; p = 0.026) and 1725G>A (GA: AOR, 0.503; 95% CI, 0.229-0.848; p = 0.010) in RPL patients vs. controls. Our results indicate that the 1612G>A and 1725G>A polymorphisms in the 3'-UTR of VEGF are associated with RPL susceptibility in Korean women. These data suggest that VEGF 3'-UTR polymorphisms may be utilized as biomarkers for the detection of RPL risk and prevention.

SUBMITTER: An HJ

PROVIDER: S-EPMC6651559 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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3'-UTR Polymorphisms in the Vascular Endothelial Growth Factor Gene (VEGF) Contribute to Susceptibility to Recurrent Pregnancy Loss (RPL).

An Hui Jeong HJ Kim Ji Hyang JH Ahn Eun Hee EH Kim Young Ran YR Kim Jung Oh JO Park Han Sung HS Ryu Chang Soo CS Kim Eun-Gyo EG Cho Sung Hwan SH Lee Woo Sik WS Kim Nam Keun NK

International journal of molecular sciences 20190705 13

Numerous studies have examined the genetic association of vascular endothelial growth factor (VEGF) single nucleotide polymorphisms (SNPs) with recurrent pregnancy loss (RPL). However, of the four known SNPs in the 3'-untranslated region (3'-UTR) of <i>VEGF</i>, three SNPs-namely rs3025040 (1451C>T), rs10434 (1612G>A), and rs3025053 (1725G>A)-remain poorly characterized with regard to RPL. Herein, we evaluated the association between these three SNPs in the <i>VEGF</i> 3'-UTR and RPL susceptibil ...[more]

PMID: 31284523

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Project description:BackgroundPregnancy is a complicated physiological process. The multifaceted regulation of maternal-fetal interface is of great importance for maintaining normal pregnancy and avoiding fetal rejection and secondary abortion. Previous studies have focused on the clinical features or pathological biomarkers of fetal rejection and abortion. However, no significant breakthrough has been made. Therefore, it is important to understand the molecular mechanisms of recurrent pregnancy loss (RPL) to identify potential therapeutic strategies. The aim of this study was to investigate the pathogenesis of RPL.MethodsIn this study, Relative and absolute quantitation (iTRAQ) technology integrated with liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis was used to identify differentially expressed proteins in decidual from RPL patients and matched normal controls. Further, Molecules NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 3 (ndufb3) and cyclooxygenase-2 (COX-2) were validated by immunohistochemistry (IHC), Western blotting, CCK8 and mitochondrial red fluorescent probe (Mito-Tracker Red CMXRos).ResultsA total of 456 proteins reached the threshold of a 1.5-fold change were identified for further bioinformatics analysis. Upon mapping the differentially expressed proteins using the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways database, iTRAQ results were confirmed by assessing NDUFB3 and COX-2 protein levels in specimens of decidual tissue by Western blotting. Our study indicates that the level of COX-2 and NDUFB3 were significantly increased in decidual cell from RPL patients. Overexpression of NDUFB3 inhibited cell vitality and oxidative stress of decimal cell. Further, our found that overexpression NDUFBD3 in decidual cell decreased the mitochondrial membrane potential expression levels. These results suggest that NDUFB3 might play an important role in promote the pathological process of RPL.ConclusionsThis comprehensive analysis of RPL proteomics reveals novel candidate: NDUFB3, which could be further investigated for explanation of the pathological mechanism of RPL.

Dataset Information

3'-UTR Polymorphisms in the Vascular Endothelial Growth Factor Gene (VEGF) Contribute to Susceptibility to Recurrent Pregnancy Loss (RPL).

Publications

3'-UTR Polymorphisms in the Vascular Endothelial Growth Factor Gene (VEGF) Contribute to Susceptibility to Recurrent Pregnancy Loss (RPL).

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