Abstract
Bronchial asthma as the most common respiratory tract disease is an urgent problem of modern medicine. Matrix metalloproteinases (MMР) play a significant role in the processes of inflammation maintaining and bronchi remodeling in children with bronchial asthma.Objective:To study the role and inheritance of MMR9 in the bronchial asthma pathogenesis in children.Characteristics of children and research methods.The authors carried out the prospective study of 54 children with bronchial asthma and 56 healthy children with the determination of the MMP-9 level in blood serum, as well as the polymorphic variant 8202A>G ofMMP9gene.Results.Children with bronchial asthma had significantly higher content of MMP9 in the blood serum (431.76 [306.15; 612.93] ng/ml), as compared to the control group (276.05 [160.33; 397.02] ng/ml). When studying polymorphism 8202A>G ofMMP9gene in the examined patients it was found that the children with bronchial asthma had the G allele a little more often (57.5%) than A allele (42.5%). Heterozygous carriers of the MMP9 gene polymorphic variant predominate both among the patients with bronchial asthma and in the control group. When comparing the frequency of genotypes and alleles in the group of children with bronchial asthma and control group the authors revealed no statistically significant differences.Conclusion.The disease mechanism significantly depends upon the MMR9 concentration in the serum of patients with bronchial asthma and the peculiarities of this enzyme inheritance.
Highlights
Бронхиальная астма, как наиболее распространенное заболевание дыхательных путей, представляет актуальную проблему современной медицины
Bronchial asthma as the most common respiratory tract disease is an urgent problem of modern medicine
The authors carried out the prospective study of 54 children with bronchial asthma and 56 healthy children with the determination of the MMP-9 level in blood serum, as well as the polymorphic variant 8202A>G of MMP9 gene
Summary
Бронхиальная астма, как наиболее распространенное заболевание дыхательных путей, представляет актуальную проблему современной медицины. Что экспрессия MMP9 коррелирует с десмоплазией (неправильная ориентация коллагена) и это играет особое значение в процессах ремоделирования бронхолегочной системы при бронхиальной астме [1, 3, 4]. Исследование концентрации ММР9 в сыворотке крови показало, что у детей, страдающих бронхиальной астмой, содержание данного фермента было значительно больше (431,76 [306,15; 612,93] нг/мл), чем у детей контрольной группы (276,05 [160,33; 397,02] нг/мл; р=0,015).
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More From: Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics)
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