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Association of IFNL3 Genotype with Hepatic Steatosis in Chronic Hepatitis C Patients Treated with Peginterferon and Ribavirin Combination Therapy.


ABSTRACT: BACKGROUND:Genetic variation near the interferon lambda 3 (IFNL3) is known to be associated with response to pegylated interferon (pegIFN) and ribavirin combination therapy in patients with chronic hepatitis C virus (HCV) infection which is often accompanied by hepatic steatosis. AIMS:We examined whether this genetic variation is associated with host lipids and treatment response. METHODS:A total of 101 Japanese patients who had underwent liver biopsy before treatment with pegIFN and ribavirin for HCV genotype 1b infection were retrospectively analyzed for association between IFNL3 genotypes (rs8099917) and clinical factors including histopathological features of the liver. The presence of >5% steatosis in the liver specimen was defined as hepatic steatosis. RESULTS:Forty patients (40%) had liver steatosis before therapy. Patients with IFNL3 minor genotype (non-TT) showed lower low-density lipoprotein cholesterol level (p=0.0045), higher ?-glutamyl transpeptidase level (p=0.0003) and higher prevalence of hepatic steatosis (p=0.0002). Advanced fibrosis [odds ratio (OR) 4.63, p=0.03] and IFNL3 major genotype (OR 0.13, p=0.001) were 2 independent factors for determining the presence of hepatic steatosis. Among the factors associated with sustained virological response, IFNL3 genotype was the most significant predictor, as per multivariate analysis. CONCLUSIONS:Our results confirmed that IFNL3 genotype is associated with hepatic steatosis as well as IFN response.

SUBMITTER: Nakamoto S 

PROVIDER: S-EPMC5666539 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Association of <i>IFNL3</i> Genotype with Hepatic Steatosis in Chronic Hepatitis C Patients Treated with Peginterferon and Ribavirin Combination Therapy.

Nakamoto Shingo S   Imazeki Fumio F   Kanda Tatsuo T   Wu Shuang S   Nakamura Masato M   Yasui Shin S   Tawada Akinobu A   Mikata Rintaro R   Chiba Tetsuhiro T   Arai Makoto M   Yokosuka Osamu O   Shirasawa Hiroshi H  

International journal of medical sciences 20170904 11


<h4>Background</h4>Genetic variation near the interferon lambda 3 (<i>IFNL3</i>) is known to be associated with response to pegylated interferon (pegIFN) and ribavirin combination therapy in patients with chronic hepatitis C virus (HCV) infection which is often accompanied by hepatic steatosis.<h4>Aims</h4>We examined whether this genetic variation is associated with host lipids and treatment response.<h4>Methods</h4>A total of 101 Japanese patients who had underwent liver biopsy before treatmen  ...[more]

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