IL28B polymorphisms and chronic hepatitis C |
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Authors: | Chevaliez S Hézode C |
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Affiliation: | a French National Reference Center for Viral Hepatitis B, C and delta, Department of Virology, hôpital Henri-Mondor, université Paris-Est Créteil, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France b Department of Hepatology, hôpital Henri-Mondor, université Paris-Est Créteil, 51, avenue du Maréchal-de-Lattre-de-Tassigny, 94010 Créteil, France c Inserm U 955, Créteil, France |
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Abstract: | Human genetic factors that influence HCV treatment responses have been identified by a recent landmark discovery. A SNP has been identified (rs12979860) located in chromosome 19,3 kb upstream of the IL28B gene that encodes IFN-λ3, which was strongly associated with the sustained virological response (SVR) to pegIFN and ribavirin in more than 1000 patients with genotype 1 chronic hepatitis C. In patients of European ancestry, as well as in African-American and Hispanic patients, the CC genotype was associated with a two-fold greater SVR rate than the TT genotype, CT being closer to TT than to CC. More information is now needed to understand the mechanisms that underlie this association. |
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