Single Nucleotide Polymorphism rs6445975 in the PXK Gene Is Correlated with Susceptibility and Clinical Characteristics of Systemic Lupus Erythematosus

Autor: Mansour Karimifar, Nafiseh Sereshti, Rasoul Salehi, Maryam Mousavi, Hadi Karimzadeh, Amirhossein Salehi, Bahram Pakzad
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Iranian Journal of Public Health, Vol 51, Iss 8 (2022)
Druh dokumentu: article
ISSN: 2251-6085
2251-6093
DOI: 10.18502/ijph.v51i8.10273
Popis: Background: Recently, genome-wide association studies (GWAS) have discovered several single nucleotide polymorphisms (SNPs) and loci associated with the risk of systemic lupus erythematosus (SLE). rs6445975 (T>G; intronic variant) polymorphism in the PXK gene is one of these loci. However, there was an inconsistency between the results of replicative studies on European and Asia ancestry. This study aimed to assess the possible association between rs6445975 polymorphism with SLE risk in the Iranian population. Methods: Genotype and allele distribution of rs6445975 polymorphism were investigated in 110 patients with SLE and 115 healthy controls in Isfahan University of Medical Sciences, Isfahan, Iran in 2019 via real-time PCR high resolution melting method (HRM). Results: GG and TG genotypes, but not TT genotype, were associated with increased risk of SLE (GG vs TT; OR= 7.538; 95%CI [3.47, 17.066] and TG vs TT; OR=2.21; 95%CI [1.06, 4.72]). Inheritance analysis revealed that TG + GG was correlated with the increased risk of SLE disease in the dominant model (OR=3.928; 95%CI [2.056, 7.74]). Moreover, subjects with the G allele were more frequently affected with SLE than individuals with the T allele (OR= 3.55; 95%CI [2.37, 5.36]). The G allele in patients was correlated with serum concentration of CRP, ESR, anti-dsDNA antibody, C3, and C4 and presentation of some clinical manifestations such as kidney involvements and skin lesions (P
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