The effects of genetic variations in the IL-10 -1082G/A gene and IL-6 -174G/C gene, as well as the genotypes and alleles linked to the prevalence of asthma disease, were investigated using a molecular and immunological study. Between October 2018 and the end of July 2020, 40 healthy individuals (20 females and 20 males) served as a control group for the study, which involved 50 asthmatic patients (31 females and 19 males) at the Allergy Centre, Al-Anbar Teaching Hospital, in Al-Anbar City. The study used the Single Specific Primer-Polymerase Chain Reaction (SSP-PCR) technique to show that the single nucleotide polymorphisms IL-10 -1082G/A and IL-6 -174G/C had a considerably high prevalence rate (P<0.05) among asthma case and that there was an association between the polymorphism and the asthma risk. The findings indicate that asthma patients had considerably higher (P<0.05) IL-10 A alleles and heterozygous GA genotypes (1082G/A) compared to the control group. Genetic variations affecting IL-10 production and the genotypes affecting IL-10 serum levels are associated with the occurrence of asthma and are attributed to the IL-10 -1082G/A promoter gene polymorphism. There was a strong correlation between cytokine levels, of disease development, and the genotypes of the AA and AG genes, indicating that IL-10 -1082A/G predisposition to asthma may be influenced by the gene promoter polymorphism. Asthma development and immunological markers (IL-10) are substantially correlated. One theory links allergic rhinitis to both the development of asthma and its risk. Inducing long-term immunological and clinical tolerance in patients was a good use of HDM immunotherapy. The current study's findings indicate a substantial difference between the asthma patients and the control group in terms of gene type and allele frequency of the IL-6 -174G/C polymorphism. The patients exhibited a higher prevalence of the G allele and the GG homozygous genotype than the control group. Therefore, it was shown that those with GG genotypes had a 2-fold increased probability of having asthma, indicating that patients were more prone to the condition.
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Mohsen et al. (2024) studied this question.