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MicroRNAs: Role in Hepatitis C Virus pathogenesis

Shubham Shrivastava1, Robert Steele1, Ranjit Ray2

  • 1Departments of Pathology, Saint Louis University, St. Louis, Missouri, USA.

Genes & Diseases
|May 19, 2015
PubMed

Insights

Hepatitis C virus (HCV) infection involves microRNAs (miRNAs) that regulate host factors and disease progression. Circulating miRNAs show potential as biomarkers for early diagnosis and therapeutic intervention in liver disease.

Area of Science:

  • Hepatology
  • Virology
  • Molecular Biology

Background:

  • Hepatitis C virus (HCV) affects millions globally, leading to severe liver conditions like cirrhosis and cancer.
  • Direct-acting antiviral (DAA) drugs offer high cure rates, but long-term outcomes require further study.
  • MicroRNAs (miRNAs) are critical in HCV infection, influencing host factors essential for viral replication and cell growth.

Purpose of the Study:

  • To review the role of miRNAs in the HCV life cycle.
  • To explore the coordinated regulation of miRNAs in HCV-mediated liver disease progression.
  • To highlight the potential of circulating miRNAs as diagnostic and prognostic biomarkers.

Main Methods:

  • Literature review of recent studies on miRNAs and HCV.
  • Analysis of miRNA involvement in host-pathogen interactions.
  • Examination of miRNA regulatory networks in HCV pathogenesis.

Main Results:

  • Altered miRNA expression is implicated in HCV pathogenesis by controlling immune response, proliferation, and apoptosis.
  • miRNAs act as intercellular communicators within the liver during HCV infection.
  • miRNAs are crucial for HCV replication and host cell modulation.

Conclusions:

  • miRNAs play a significant role in HCV infection and the progression of liver disease.
  • Circulating miRNAs may serve as valuable biomarkers for disease progression and early therapeutic intervention in end-stage liver disease.
  • Further research into miRNA function can lead to novel diagnostic and therapeutic strategies for HCV.

Keywords:
HCVcirculatory miRNAsinterferon signalingliver diseasemicroRNA

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