COL1A1, COL4A3, TIMP2 and TGFB1 polymorphisms in cervical insufficiency
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Citações na Scopus
2
Tipo de produção
article
Data de publicação
2021
Título da Revista
ISSN da Revista
Título do Volume
Editora
WALTER DE GRUYTER GMBH
Autores
ALVES, Ana Paula V. D.
HOSHIDA, Mara Sandra
PATINO, Elizabeth G.
Citação
JOURNAL OF PERINATAL MEDICINE, v.49, n.5, p.553-558, 2021
Resumo
Objectives: To investigate the association between selected single nucleotide polymorphisms (SNPs) with cervical insufficiency and its relationship with obstetric history. Methods: Twenty-eight women with cervical insufficiency (case group) and 29 non-pregnant women (control group) were included. The SNPs sequenced included rs2586490 in collagen type I alpha 1 chain (COL1A1), rs1882435 in collagen type IV alpha 3 chain (COL4A3), rs2277698 in metallopeptidase inhibitor 2 (TIMP2), and rs1800468 in transforming growth factor beta 1 (TGFB1). Results: We found a higher frequency of the normal allele in the control group (65.5%) and the homozygous mutated genotype in the case group (64.3%) for rs2586490 in COL1A1 (p=0.023). An unplanned finding in the cervical insufficiency group was a higher gestational age of delivery (median >= 38 weeks) in the mutated allele than in the wildtype genotype (median of 28.2 weeks) for rs2857396, which is also in the COL1A1 gene (p=0.011). Conclusions: The findings of the present study corroborate the hypothesis that cervical insufficiency has a genetic component and probably involves genes encoding proteins in the extracellular matrix, in addition to inflammatory processes.
Palavras-chave
cervical weakness, COL1A1, COL4A3, pregnancy, preterm labour, single nucleotide polymorphism, SNP, TGFB1, TIMP2
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