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10:17
An Advanced Murine Model for Nonalcoholic Steatohepatitis in Association with Type 2 Diabetes
Published on: April 26, 2019
Hepatitis C virus infection: molecular pathways to insulin resistance
Fahed Parvaiz1, Sobia Manzoor, Huma Tariq
1NUST Center of Virology and Immunology, National University of Sciences and Technology, Islamabad 44000, Pakistan.
Virology Journal
|October 20, 2011
Summary
Chronic Hepatitis C virus (HCV) can cause insulin resistance and type 2 Diabetes Mellitus by disrupting insulin signaling pathways. This review explores the molecular mechanisms behind HCV-induced diabetes, focusing on viral proteins
Area of Science:
- Hepatology and Endocrinology
- Virology and Molecular Biology
Background:
- Chronic Hepatitis C virus (HCV) infection is increasingly linked to metabolic disorders.
- Insulin resistance and type 2 Diabetes Mellitus (T2DM) are significant comorbidities of HCV.
Purpose of the Study:
- To elucidate the molecular mechanisms by which HCV structural and non-structural proteins induce insulin resistance.
- To provide an updated insight into the link between HCV infection and the development of T2DM.
Main Methods:
- Review of existing literature on HCV, insulin resistance, and diabetes.
- Analysis of proposed molecular pathways involving viral proteins and host cellular machinery.
Main Results:
- HCV proteins alter cellular gene expression, impairing insulin signaling.
- Key mechanisms include TNF-α upregulation, IRS-1/IRS-2 hypophosphorylation, Akt phosphorylation, gluconeogenic gene induction, and lipid accumulation.
Conclusions:
- HCV structural and non-structural proteins play a direct role in inducing insulin resistance.
- Understanding these mechanisms is crucial for managing metabolic complications in HCV patients.
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