Journal
BIOMEDICAL REPORTS
Volume 9, Issue 3, Pages 213-220Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/br.2018.1126
Keywords
interleukin-6 gene; hepatitis B virus; protective allele; polymorphism; infection resolution
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Funding
- High Impact Research Ministry of Higher Education Malaysia (HIR MOHE) [H-20001-00-E000063]
- University of Malaya postgraduate research grant [PG146-2014B]
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Interleukin-6 (IL-6) is a cytokine with a critical role in regulating the immune response to infectious disease. Studies have indicated that polymorphisms in the IL-6 gene may be linked to hepatitis B virus (HBV) infection. The purpose of the present study was to examine the association among IL-6 SNPs and haplotypes with HBV infection risk in a Malaysian population. A total of 1,246 Malaysian subjects with and without chronic hepatitis B were recruited for this study. Three IL-6 polymorphisms (rs2069837, rs1800796 and rs2066992) were genotyped using a Sequenom MassARRAY((R)) platform. The results suggested that GC and CC genotypes of rs1800796 as well as GT and TT genotypes of rs2066992 were associated with protection against HBV infection (P<0.001). Furthermore, haplotypes GG and CT exhibited a significant association with protection against HBV (P=0.003 and =0.005, respectively); and haplotypes GG and CT exhibited a significant association with clearance of HBV infection (P=0.035 and =0.037, respectively). The present study indicates that two IL-6 SNPs (rs1800796 and rs2066992) are associated with clearance of chronic HBV or protection against HBV infection at allelic, genotypic and haplotypic levels.
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