The rs243866/243865 polymorphisms in MMP-2 gene and the relationship with BP control in obese resistant hypertensive subjects

Gene
Alessandra Mileni Versuti RitterHeitor Moreno

Abstract

We sought to investigate whether the polymorphisms rs243865 (-1306C>T); rs243866 (-1575G>A) and rs2285053 (-735C>T) in metalloproteinases 2 - MMP-2 gene and rs17576 (Q279R), rs17577 (Q668R) and rs3918242 (-1562C>T) in MMP-9 gene are associated with clinical outcomes in obese resistant hypertensive (RH) subjects. One hundred and twenty RH were enrolled in this cross-sectional study and divided into obese (n=63) and non-obese (n=57) according to body mass index. Genotypes were determined by real-time PCR using TaqMan probes. We determined pulse wave velocity (PWV), microalbuminuria and left ventricular mass index (LVMI) to assess TODs. Obese and non-obese RH had similar allele, genotype and haplotype distributions for all polymorphisms assessed but obese RH subjects carrying the low frequency allele for SNPs in MMP-2 gene had higher ambulatory diastolic blood pressure. Also, PWV and LVMI were higher in subjects carrying the low frequency allele for SNPs in MMP-2 gene. Regarding MMP-9 gene, office diastolic BP levels were higher in the AA genotype individuals compared to the G allele group for rs17576 polymorphism, while the opposite was found regarding the microalbuminuria level. Independent multiple linear regression analyses re...Continue Reading

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