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  • Title: Association of interleukin-8 gene polymorphisms and haplotypes with oral lichen planus in a Chinese population.
    Author: Dan H, Liu W, Zhou Y, Wang J, Chen Q, Zeng X.
    Journal: Inflammation; 2010 Apr; 33(2):76-81. PubMed ID: 19842025.
    Abstract:
    Interleukin-8 (IL-8), a CXC chemokine with multiple biological functions, plays an important role in the pathogenesis of oral lichen planus (OLP). The aim of this study was to investigate the association of single nucleotide polymorphisms (SNPs) of IL-8 gene with OLP in a Chinese population. Four SNPs of the IL-8 gene at positions -845 T/C (rs2227532), -738 T/A, -251 A/T (rs4073) and +781 C/T (rs2227306) were analyzed in 109 patients with OLP and 101 normal controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. The data revealed that the -251 AA genotype and -251 A allele frequency was significantly lower in the erosive OLP (eOLP) group than in the control group (P = 0.012 and P = 0.031, respectively). Haplotype analysis revealed that the -251 A/+781 C haplotype frequency was lower in the eOLP group than in the control group (P = 0.029) while the -251 T/+781 C haplotype frequency was higher in the eOLP patients than in the healthy controls (P = 0.028). The study suggests that the IL-8 polymorphisms may be associated with the severity of OLP in this Chinese cohort.
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