king hepatitis C virus
Nature Immunology
2013년11월18일
The mechanism by which variations in the genetic sequence near the gene encoding human interferon lambda (IFNL) are associated with clearance of the hepatitis C virus (HCV) is revealed in a report published online this week in Nature Immunology.
Ram Savan and colleagues found that one particular genetic variant produces more stable IFN-lambda messenger RNA and this leads to increased production of this anti-viral factor. The authors also find HCV tries to ‘escape’ the immune response by aiding in IFN-lambda degradation. Again, the ‘protective’ IFN-lambda variant is more resistant to this degradation process.
The identification of this resistant IFN-lambda variant may explain why certain patients successfully clear HCV following drug treatment whereas a significant minority remain chronically infected.
doi: 10.1038/ni.2758
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