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Structure-based design of hepatitis C virus inhibitors
1Department of Medicine, Division of Gastroenterology-Hepatology, University of Connecticut Health Center, Farmington, CT 06030-1845, USA.
Journal of Viral Hepatitis
|November 25, 2003
Summary
Novel hepatitis C virus (HCV) treatments target viral replication using structural data. Rational drug design and RNA interference strategies are explored for inhibiting HCV enzymes and replication.
Area of Science:
- Virology
- Structural Biology
- Drug Discovery
Background:
- Current chronic hepatitis C virus (HCV) treatments have limitations.
- Advances in HCV molecular biology reveal new targets for antiviral therapies.
Purpose of the Study:
- To review structural data for rational design of HCV enzyme inhibitors.
- To discuss the development of antisense-based therapeutic strategies for HCV.
Main Methods:
- X-ray crystallography to determine 3D structures of HCV proteins (protease, helicase, polymerase).
- Nuclear magnetic resonance spectroscopy and electron microscopy for solution structures.
- Mutational analysis and structural characterization of protein-RNA and protein-protein interactions.
Main Results:
- High-resolution structures of key HCV enzymes have been determined.
- Structural data elucidates intermolecular interactions crucial for viral replication.
- Identification of cis-acting RNA sequences and viral enzymatic activities as potential targets.
Conclusions:
- Structural insights facilitate the rational design of novel HCV enzyme inhibitors.
- Antisense-based strategies, including RNA interference, show promise for HCV therapy.