Clinical significance of vitamin d receptor gene polymorphism in children with bronchial asthma
https://doi.org/10.36604/1998-5029-2021-80-51-56
Abstract
Introduction. The development of chronic allergic inflammation of the respiratory tract is determined by various genes. It is assumed that the clinical features of the course of bronchial asthma may be associated with singlet polymorphism of the vitamin D receptor.
Аim. To analyze the frequency of occurrence of polymorphic variants of the VDR-63980G>A gene and evaluate their association with the features of the development and course of bronchial asthma in children.
Materials and methods. To study the association of the VDR-63980G>A gene polymorphism with bronchial asthma in children, 154 patients with bronchial asthma aged 1 to 18 years and 116 healthy subjects were selected. The objective status of the patients was assessed with the clarification of the anamnesis, standard laboratory and instrumental examination. Single nucleotide substitutions were typed by polymerase chain reaction with real-time detection of the results. The genotype distribution was evaluated using the “Gen-Expert” program.
Results. As a result of the association analysis, the relationship of VDR-63980G>A with bronchial asthma in children was established. The presence of genotype -63980AA of the VDR gene increases the risk of developing bronchial asthma in a child by 1.85 times (OR=1.85, [CI 1.02-3.38]; χ 2=4.22, p=0.04). The homozygous genotype -63980GG was more common in the control group – in 49.5% versus 45.4% against the sick children. The genotype of the minor homozygote -63980AA is associated with the early onset of the disease, pronounced obstructive pulmonary ventilation disorders.
Conclusion. The association of genotype -63980AA of the VDR gene with the risk of asthma development in preschool children was revealed.
About the Authors
N. L. Potapova
Chita state medical academy
Russian Federation
Russian Federation
39a Gorkiy Street, Chita, 672090
A. I. Markovskaya
Chita state medical academy
Russian Federation
Russian Federation
39a Gorkiy Street, Chita, 672090
I. N. Gaymolenko
Chita state medical academy
Russian Federation
Russian Federation
39a Gorkiy Street, Chita, 672090
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Review
For citations:
Potapova N.L., Markovskaya A.I., Gaymolenko I.N. Clinical significance of vitamin d receptor gene polymorphism in children with bronchial asthma. Bulletin Physiology and Pathology of Respiration. 2021;(80):51-56. (In Russ.) https://doi.org/10.36604/1998-5029-2021-80-51-56
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