Genetic variant rs11568818 of matrix metalloproteinase MMP7 associated with newborn weight in pregnant women with fetal growth restriction
Background: Fetal growth restriction is a common complication of pregnancy that has been associated with a variety of adverse perinatal outcomes. The condition carries significant risks of neonatal mortality, major and minor morbidity, and long term health sequelae. The aim of the study:The aim of the study was to study the associations of matrix metalloproteinases gene polymorphism with newborn weight in pregnant women with fetal growth restriction and to evaluate their functional effects. Materials and methods: 98 cases of women with fetal growth restriction were selected as the experimental group. All pregnant women were performed genotyping of 5 SNPs of genes of matrix metalloproteinase (rs1799750 MMP-1, rs243865 MMP-2, rs3025058 MMP-3, rs11568818 MMP-7, rs17577 MMP-9). Results: We found associations of the rs11568818 polymorphism of the MMP-7 gene with newborn weight in women with fetal growth restriction within a recessive model (β = 0.32±0.13, p=0.016 pperm=0.022). This polymorphic locus possesses important functional effects. It is localized in an evolutionarily conserved region, a binding site for regulatory proteins (TBP, CFOS, CJUN), a region of DNase hypersensitivity, and a site of modified histones marking enhancers and promoters in mesenchymal and hematopoietic stem cells, osteoblast cells, adipocytes, and fibroblast cell line lungs, various parts of the brain, lungs, etc., determines the sensitivity of DNA to four transcription factors (Foxa, GR, PLZF, Pou5f1), is associated with the level of mRNA expression of the MMP-7 gene in the lungs, liver, and skeletal muscles. Conclusion: The rs11568818 polymorphism of the MMP-7 gene is associated with a newborn weight
Reshetnikova YuN, Ponomarenko IV, Churnosov VI, et al. Genetic variant rs11568818
of matrix metalloproteinase MMP7 associated with newborn weight in pregnant women with fetal
growth restriction. Research Results in Biomedicine. 2024;10(2):222-233. Russian.
DOI:10.18413/2658-6533-2024-10-2-0-4
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