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It has been previously reported that the non-structural region 5A (NS5A) of the hepatitis C virus (HCV) includes an interferon sensitivity determining region (ISDR) and that amino acid substitutions in this region are closely associated with the response to interferon (IFN) treatment. We assessed the clinical significance of serial changes of amino acid sequences in the ISDR during repeated IFN treatment...
The amino acid mutations in a part of the non-structural region 5A (NS5A) of the hepatitis C virus (HCV) genome, called the interferon sensitivity determining region (ISDR), can affect the response to interferon (IFN) treatment. We analyzed the serial changes of the amino acid substitutions in the ISDR during the natural course of patients with sustained long-term normal alanine aminotransferase (ALT)...
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