Treatment of Hepatitis C Infection With Metalloporphyrins
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Oct 2, 2009
filing date -
Oct 3, 2008
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Abandoned
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Abstract
The present invention is directed to the treatment of hepatitis C infection with a metalloporphyrin. In particular, the present invention is based on the discovery that the NS5A protein plays a key role in HCV RNA replication by participating in polyprotein cleavage, interferon response and cellular signaling pathways. It has been found that metalloporphyrins, such as zinc porphyrins, induce post-translational down-regulation of HCV NS5A protein in an ubquitin-proteasome degradation pathway. That is, metalloporphyrins can be used to activate the ubiquitin-proteasomal pathway of NS5A protein catabolism. As a result, metalloporphyrins can be used to significantly suppress HCV viral replication in HCV infected cells.
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