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International journal of Immunopathology, allergology, infectology.

GLCCI1 gene polymorphism in children with bronchial asthma: results of stage 1, single-center, open-label prospective trial

Minina E.S., Novikova V.I., Novikov P.D., Babenko A.S.

Vitebsk State Order of Peoples Friendship Medical University, Vitebsk, Republic of Belarus
Belarusian State Medical University, Minsk, Republic of Belarus

Objective. The role of the GLCCI1 gene polymorphism (rs37973) analysis in children with bronchial asthma (BA).

Methods. The study involved 60 children 3-17 years old with allergic (n=37) and mixed forms of BA (n=23). The genetic study included performing genotyping of the studied locus of the GLCCI1 gene (rs37973) by PCR-RFLP (polymerase chain reaction restriction fragment length polymorphism).

Results. Analysis of the frequency of genotypes and alleles occurrence established the predominance of heterozygotes (AG) and allele G in the study group. There were statistically significantly higher indices of VC, FVC, FEV1 and MEF75 (according to spirometry data) with a heterozygous genotype (AG) in comparison with a homozygous GG (p<0,05). At the same time, there was a statistically significantly greater number of children with a FEV1 level ≥80% (p=0,009) when comparing the same subgroups of genotypes.

Conclusion. The study revealed the association of GLCCI1 gene polymorphism (rs37973) with the respiratory function according to spirometry data. The presence of a heterozygous gene variant (AG) determined higher indicators of the function of respiratory function (VC, FVC, FEV1, MEF75). The study with the establishment of the GLCCI1 gene (rs37973) genotype can be used to diagnose a prognostically favorable and unfavorable course of asthma in children, which should be taken into account when choosing various basic methods of therapy and rehabilitation.

Keywords

Bronchial asthma, GLCCI1, respiratory function, FEV1.

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Reference

Minina E.S., Novikova V.I., Novikov P.D., Babenko A.S. Immunopathology, allergology, infectology 2020; 4:58-63

DOI

10.14427/jipai.2020.4.58