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The anti-obesity drug orlistat reveals anti-viral activity

Elisabeth Ammer1, Sandor Nietzsche2, Christian Rien1

  • 1Institute of Virology and Antiviral Therapy, Jena University Hospital, Friedrich Schiller University Jena, Hans-Knöll-Str. 2, 07745, Jena, Germany.

Medical Microbiology and Immunology
|February 15, 2015
PubMed

Insights

The anti-obesity drug orlistat significantly inhibits coxsackievirus B3 replication by affecting viral structures. This study suggests orlistat

Area of Science:

  • Virology
  • Drug Discovery
  • Metabolic Pathways

Background:

  • Metabolic pathway inhibitors can reduce obesity-related diseases and viral infections.
  • Orlistat is an FDA-approved anti-obesity drug with potential antiviral properties.

Purpose of the Study:

  • To evaluate the antiviral activity of orlistat against human-pathogenic viruses.
  • To explore orlistat's mechanism of action in viral replication inhibition.

Main Methods:

  • In vitro antiviral assays.
  • Electron microscopy for structural analysis.
  • Fatty acid uptake experiments.

Main Results:

  • Orlistat significantly reduced coxsackievirus B3 (CVB3) replication in various cell types at non-cytotoxic concentrations.
  • Orlistat demonstrated cell-protective effects and altered viral replication structures in CVB3-infected cells.
  • Orlistat showed moderate inhibition of varicella-zoster virus but no significant effect on influenza A viruses.

Conclusions:

  • Orlistat's ability to inhibit viral replication warrants further investigation for developing novel antiviral therapies.
  • Modulating cellular metabolic pathways, specifically fatty acid synthase, presents a promising strategy for antiviral drug development.
Keywords:
Anti-viral activityCoxsackievirus B3Electron microscopyFatty acid synthaseInfluenza A virusOrlistatVaricella-zoster virus

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