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IMMUNOGENETIC FACTORS INFLUENCING CLINICAL COURSE OF HCV INFECTION (REVIEW)

G Kamkamidze1, M Butsashvili1, K Gendzekhadze1

  • 1Health Research Union, Tbilisi, Georgia; HLA Lab, City of Hope, Duarte, CA.

Georgian Medical News
|October 23, 2016
PubMed

Insights

Host immunogenetics, including MHC and NK cell receptors, influence Hepatitis C virus (HCV) infection outcomes. Understanding these factors is key to managing chronic HCV and improving treatment responses.

Area of Science:

  • Immunology
  • Virology
  • Genetics

Background:

  • Hepatitis C virus (HCV) infection affects 130-170 million globally, causing over 350,000 deaths annually from liver disease.
  • Chronic HCV infection, occurring in about 80% of cases, can lead to severe outcomes like cirrhosis and hepatocellular carcinoma.
  • Viral replication and host immune responses intricately determine HCV infection's clinical course and prognosis.

Purpose of the Study:

  • To review the current understanding of how immunogenetic factors impact the clinical progression of Hepatitis C virus infection.
  • To explore the association between specific genetic loci (MHC, KIR) and HCV clearance, disease progression, and treatment response.
  • To discuss future research directions within the Georgian HCV Elimination Program.

Main Methods:

  • Literature review of studies investigating immunogenetic associations with HCV infection.
  • Analysis of the roles of MHC class I and II, and Natural Killer (NK) cell immunoglobulin-like receptors (KIR).
  • Discussion of planned investigations in patients within the Georgian HCV Elimination Program.

Main Results:

  • Evidence suggests a significant association between MHC and KIR loci and outcomes of HCV infection.
  • These genetic factors are linked to viral protection, clearance, disease progression, and response to antiviral therapies.
  • The interplay between viral factors and host genetics is crucial in determining chronic Hepatitis C outcomes.

Conclusions:

  • Immunogenetic factors play a critical role in modulating the clinical course of Hepatitis C virus infection.
  • Further research, particularly within the context of elimination programs, is needed to fully elucidate these associations.
  • Understanding these genetic influences can inform personalized treatment strategies and public health interventions for HCV.

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