The role of matrix metalloproteinase-9 in the genesis of chronic bronchi inflammation in children with bronchial asthma
https://doi.org/10.21508/1027-4065-2020-65-2-49-54
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 of MMP9 gene.
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 of MMP9 gene 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.
About the Authors
A. A. Lebedenko
Rostov State Medical University
Russian Federation
Russian Federation
O. E. Semernik
Rostov State Medical University
Russian Federation
Russian Federation
M. V. Dudareva
Rostov State Medical University
Russian Federation
Russian Federation
E. B. Tyurina
Rostov State Medical University
Russian Federation
Russian Federation
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Review
For citations:
Lebedenko A.A., Semernik O.E., Dudareva M.V., Tyurina E.B. The role of matrix metalloproteinase-9 in the genesis of chronic bronchi inflammation in children with bronchial asthma. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2020;65(2):49-54. (In Russ.) https://doi.org/10.21508/1027-4065-2020-65-2-49-54
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