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Association of interferon lambda-4 rs12979860 polymorphism with hepatocellular carcinoma in patients with chronic hepatitis C infection

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World Journal of Hepatology 2021年第1期13卷 109-119页

作者： Jóice Teixeira de Bitencorte Tássia Flores Rech Vagner Ricardo Lunge Deivid Cruz dos Santos Mário ReisÁlvares-da-Silva Daniel Simon PPG Biologia Celular e Molecular AplicadaàSaúde Universidade Luterana do BrasilCanoas 92425-900Rio Grande do SulBrazil Division of Gastroenterology Hospital de Clínicas de Porto AlegrePorto Alegre 90035-903Rio Grande do SulBrazil

BACKGROUND Hepatitis C virus(HCV)infection is a public health concern *** factors,including genetic polymorphisms,may be evolved in the progression of HCV infection to liver *** lambdas(IFNLs)modulate the immune response during viral *** induce antiviral activity,interfering in the viral replication by promoting the expression of several genes that regulate immunological *** interferon lambda-4(IFNL4)rs12979860 polymorphism,which is characterized by a C to T transition in intron 1,is associated with spontaneous and treatment-induced clearance of HCV infection and may play a role in the development of HCV-associated liver diseases,including hepatocellular carcinoma(HCC).AIM To investigate the association of IFNL4 rs12979860 polymorphism with fibrosis,cirrhosis,and HCC in patients with chronic HCV *** This study was comprised of 305 chronic HCV-infected patients(53 fibrosis,154 cirrhosis,and 98 HCC cases).The control group was comprised of 260 HCVnegative healthy *** IFNL4 rs12979860 polymorphism was genotyped using the TaqMan *** was diagnosed based on liver biopsy findings,while cirrhosis was diagnosed through clinical,laboratory,anatomopathological,and/or imaging *** was diagnosed through imaging tests,tumor,and/or anatomopathological *** The T allele was observed in the three groups of patients(fibrosis,cirrhosis,and HCC)at a significantly higher frequency when compared with the control group(P=0.047,P<0.001,and P=0.01,respectively).Also,genotype frequencies presented significant differences between the control group and cirrhosis patients(P<0.001)as well as HCC patients(P=0.002).The risk analysis was performed using the codominant and dominant T allele *** the codominant model,it was observed that the CT genotype showed an increased risk of developing cirrhosis in comparison with the CC genotype[odds ratio(OR)=2.53;95%confidence interval(CI):1.55-4.15;

关键词： Hepatitis C Hepatitis C virus Cirrhosis Hepatocellular carcinoma Genetic polymorphism interferon-lambda

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