Targeting microRNA-122 to Treat Hepatitis C Virus Infection
2010

Targeting microRNA-122 to Treat Hepatitis C Virus Infection

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Catherine L. Jopling

Primary Institution: School of Pharmacy, Centre for Biomolecular Sciences, University of Nottingham

Hypothesis

Can targeting microRNA-122 provide an effective treatment for Hepatitis C Virus (HCV) infection?

Conclusion

Inhibiting microRNA-122 in chimpanzees with chronic HCV infection led to a sustained reduction in viral load.

Supporting Evidence

  • Three out of four treated chimpanzees showed a sustained reduction in viral load.
  • The reduction in HCV RNA was gradual and lost once the inhibitor was withdrawn.
  • No adaptive mutations were detected in the miR-122 binding region of HCV RNA during treatment.

Takeaway

Scientists are trying to use a tiny molecule called microRNA-122 to help fight a virus that makes people sick. When they blocked this molecule in some monkeys, the virus got weaker.

Methodology

The study involved administering an LNA-antimiR-122 inhibitor to chimpanzees infected with HCV and monitoring the effects on viral load.

Limitations

The study was conducted on a small number of chimpanzees, making it difficult to draw broad conclusions.

Participant Demographics

Chimpanzees chronically infected with HCV.

Digital Object Identifier (DOI)

10.3390/v2071382

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