Cervical Lymph Node Tuberculosis And Tnf, Il8, Il10, Il12b And Ifng Polymorphisms
NEW MICROBIOLOGICA(2021)
摘要
Cervical lymph node tuberculosis (LNTB) is the most common manifestation of extrapulmonary tuberculosis, resulting from the interaction of environmental and genetic factors. The immune response against TB is regulated by several cytokines, which have single nucleotide polymorphisms (SNPs), leading to different levels of expression. The aim of this study was to evaluate the association of LNTB with the TNF, IL8, IL10, IL12B and IFNG gene polymorphisms in Mexican patients. We investigated the association of ten SNPs in 14 patients with LNTB and 138 healthy controls. Significant differences were found for the allele TNF-238A (P=0.03) and the genotypes TNF-238GA (P=0.03), IL8+396GG (P=0.01) and IL12B+1188CC (P=0.04). Allele IL8+781C showed some association trend (P=0.08). Haplotypes TNF-AA and IL10-GTA were of susceptibility, whereas haplotype IL8-ATT was of protection. No association was found with IFNG. The association of these polymorphisms with extrapulmonary TB was compared in different populations. Our results suggest that these cytokine SNPs may influence the manifestation of LNTB in Mexican patients; however, we are aware of the limitations of our study, so it is necessary to make a replica using a larger sample of patients, as well as an increased number of cytokines with SNPs.
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关键词
Cytokine polymorphism, disease susceptibility, extrapulmonary TB, cervical lymph node tuberculosis, SNPs
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