Bronchial asthma in the genetic framework of cardiovascular continuum syntropy

Hypertension, coronary heart disease, myocardial infarction, obesity, and type 2 diabetes mellitus are common comorbidities in patients with bronchial asthma. The causes for developing these diseases are multifactorial and involve inherited genetic factors. However, little is known about the genes contributing to the development of comorbidities in bronchial asthma and cardiovascular disease continuum.
Objective. To examine the associations of genetic polymorphic variants potentially involved in the development of bronchial asthma comorbid with hypertension, coronary heart disease, type 2 diabetes mellitus, and obesity.
Material and Methods. Genotyping of 92 single nucleotide polymorphisms (SNPs) was performed using MALDI-TOF mass spectrometry in patients with bronchial asthma associated with cardiovascular/metabolic disorders (n = 162) compared with a control group of apparently healthy individuals (n = 153).
Results. The development of bronchial asthma phenotypes comorbid with cardiovascular/metabolic disorders was associated with the particular genetic variants affecting the expression of genes including CAT, TLR4, ELF5, ABTB2, UTP25, TRAF3IP3, NFKB1, LOC105377347, C1orf74, IRF6, and others in the target organs of study disease profile. Only one SNP (rs11590807), which is regulatory for the UTP25, IRF6, TRAF3IP3, and RP1-28O10.1 genes, was associated with all studied comorbid phenotypes of bronchial asthma and diseases of cardiovascular continuum.
Conclusion. The obtained results demonstrated that the identified SNPs affecting the expression of many genes may serve as potential biological markers of complex causal relationships between bronchial asthma and cardiometabolic disorders.

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