Potential for Hepatitis C Virus Resistance to Nitazoxanide or Tizoxanide

Abstract excerpt

Nitazoxanide and its primary metabolite, tizoxanide, inhibit hepatitis C virus (HCV) replication in HCV replicon systems. To study the potential for resistance, we subjected Huh7 cells harboring HCV replicons to serial passage in 250 muM G418 and increasing concentrations of nitazoxanide or tizoxanide. Passage of the replicon-containing cell lines in either compound resulted in increases in the 50% effective...

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