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Year : 2020  |  Volume : 8  |  Issue : 1  |  Page : 46-52

Association between hepatitis C virus viremia and the rs12979860, rs2228145 and rs1800795 SNP (CT/AC/GG) genotype in Saudi kidney transplant recipients

1 Department of Microbiology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
2 Department of Clinical Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
3 Prince Sultan Research Center, King Fahd Military Medical Complex, Dhahran, Saudi Arabia
4 Department of Laboratory and Blood Bank, King Fahad Hospital, Hofuf, Saudi Arabia
5 Department of Medical Microbiology, Faculty of Medicine, Al-Baha University, Al-Bahah, Saudi Arabia

Correspondence Address:
Dr Khaled R Alkharsah
Department of Microbiology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/sjmms.sjmms_175_18

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Background: Hepatitis C virus (HCV) is a major health problem, particularly in high-risk groups such as kidney transplant recipients, where it can adversely affect graft survival and increase the relative risk for mortality. Recently, the role of genetic variation among HCV patients in determining the outcome of infections has been under investigation. Objective: To investigate the association of single-nucleotide polymorphisms (SNPs) rs12979860 (located within the interleukin-28B locus), rs2228145 (interleukin-6 receptor) and rs1800795 (interleukin-6 promoter) with HCV viremia in renal transplant patients. Materials and Methods: In this analytical cross-sectional study, 149 kidney transplant recipients, 82 males (median age: 41 years) and 67 females (median age: 45 years), were screened for HCV RNA in blood using real-time polymerase chain reaction and genotyped by sequencing (rs12979860) and restriction fragment length polymorphism (rs2228145 and rs1800795). Results: HCV RNA was detected in 17 (11.41%) of the 149 patients. There was no statistically significant association between the studied SNPs and HCV viremia. However, a combination of the CT/AC/GG genotype was significantly associated with HCV viremia (odds ratio: 5.4). The genotype AA of rs2228145 in the IL-6 receptor was associated with viremia levels of >105 copies/ml (odds ratio: 5.96). Conclusion: To the best of the authors' knowledge, this is the first study that has shown that the CT/AC/GG genotype has an impact on HCV viremia in kidney transplant patients. Therefore, such SNP genotypes may potentially be used to identify transplant patients at risk of HCV infection.

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