PSI-7977 (Synonyms: GI7977, Sofosbuvir) |
| Catalog No.GC16367 |
A prodrug form of PSI-7411
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1190307-88-0
Sample solution is provided at 25 µL, 10mM.
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PSI-7977 is a Nucleotide Inhibitor of Hepatitis C Virus [2]
Hepatitis C virus (HCV) is a disease of liver cirrhosis and development of cancer in liver (hepatocellular carcinoma).
Results from studies using GT 1a (H77)-, 1b (Con1)-, and 2a (JFH-1)-derived replicons and chimeric replicons with the NS5B region fromGT 2a (J6), 2b, and 3a clearly showed that PSI-7977 is a potent HCV inhibitor across NS5B proteins from different isolates. PSI-7977 inhibited the enzymatic activity of NS5B polymerase from GTs 1 to 4 with similar 50% inhibitory concentrations [1]. PSI-7977 is a potent HCV inhibitor with broad genotype coverage. Cross-resistance and selection studies showed that S282T is likely the amino acid change that will be selected by PSI-7977 across various genotypes and subtypes. JFH-1 is a highly unique strain capable of efficient replication and infection, and this particular isolate appeared to require additional amino acid changes together with S282T to reduce the activity of PSI-7977. [3]
References:
[1] Lam AM, Murakami E, Espiritu C et al. PSI-7851, a pronucleotide of beta-D-2'-deoxy-2'-fluoro-2'-C-methyluridine monophosphate, is a potent and pan-genotype inhibitor of hepatitis C virus replication. Antimicrob Agents Chemother. 2010 Aug;54(8):3187-96.
[2] Abdo A. Elfiky, Wael M. Elshemey , Wissam A. Gawad , Omar S. Desoky Molecular Modeling Comparison of the Performance of NS5b Polymerase Inhibitor (PSI-7977) on Prevalent HCV Genotypes. Protein J (2013) 32:75–80.
[3] Angela M. Lam, Christine Espiritu, Shalini Bansal et al. Genotype and Subtype Profiling of PSI-7977 as a Nucleotide Inhibitor of Hepatitis C Virus. Antimicrobial Agents and Chemotherapy June 2012 Volume 56 Number 6 p 3359–3368.
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