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  • Title: Myxovirus resistance 1 gene polymorphisms and outcomes of viral hepatitis B and C infections in Moroccan patients.
    Author: Rebbani K, Ababou M, Nadifi S, Kandil M, Marchio A, Pineau P, Ezzikouri S, Benjelloun S.
    Journal: J Med Virol; 2017 Apr; 89(4):647-652. PubMed ID: 27458866.
    Abstract:
    Host genetic factors may influence the establishment of chronicity or spontaneous clearance in viral hepatitis B and C infections. More light was shed on the role played by interferon-stimulated genes in the innate immunity. Myxovirus resistance 1 (MX1) is one of those key genes that have reported to inhibit several viruses. The present study aims to explore the possible association of -88G/T and -123C/A promoter variants of MX1 with susceptibility to chronic hepatitis B and C and/or with spontaneous clearance in a Moroccan population. The -88G/T and -123C/A SNPs were genotyped by PCR-RFLP in 538 individuals stratified into HBV chronically infected patients (n = 120), HCV-chronically infected patients (n = 115), HBV spontaneously resolved subjects (n = 114), HCV spontaneously resolved group (n = 52), and healthy controls (n = 137). A significant association of -123C allele with HBV spontaneous clearance has been found (P = 0.002, OR = 2.34; 95%CI [1.36-4]). In addition, a significant correlation between the MX1-GC haplotype and HBV spontaneous clearance (P < 0.001) was found. No significant association of -88G/T and -123C/A polymorphisms with regard to HCV infection was observed in this study. Here, we show that for North African patients with chronic hepatitis, MX1 gene variation at position -123 may influence the outcome of HBV infection but not HCV infection. J. Med. Virol. 89:647-652, 2017. © 2016 Wiley Periodicals, Inc.
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