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Related Concept Videos

Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...

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HCV genotype-specific correlation with serum markers: higher predictability for genotype 4a.

Waqar Ahmad1, Bushra Ijaz, Fouzia T Javed

  • 1Applied and Functional Genomics Lab, Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.

Virology Journal
|June 14, 2011
PubMed
Summary

Hepatitis C virus (HCV) genotypes show varied correlations with serum markers. Genotype 3a severity is independent of markers, while genotype 4a liver damage involves viral and immune factors, predictable with a six-marker index.

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Area of Science:

  • Hepatology
  • Virology
  • Clinical Chemistry

Background:

  • Hepatitis C virus (HCV) infection outcomes are multifactorial.
  • The relationship between HCV genotypes and serum markers for clinical prediction remains debated.
  • This study investigated correlations between HCV genotypes, viral load, and serum markers.

Purpose of the Study:

  • To determine the correlation between HCV genotypes and viral load.
  • To assess the relationship between HCV genotypes and various clinical serum markers.
  • To evaluate the predictive value of serum markers for HCV genotypes.

Main Methods:

  • A prospective cross-sectional and observational study was conducted.
  • 3160 serum HCV RNA positive patients were analyzed.
  • Statistical analysis and ROC curves were employed to compare diagnostic values.

Main Results:

  • Genotype 3a was most prevalent (73.9%), followed by 1a, 4a, and 3b.
  • No correlation between viral load and serum markers was found for genotype 3a.
  • Significant correlations were observed for genotypes 1a, 3b, and 4a with specific serum markers and viral load.

Conclusions:

  • HCV genotypes exhibit variable responses with serum markers.
  • Genotype 3a disease severity is independent of serum marker levels.
  • Genotype 4a liver damage may result from viral cytopathic and immune-mediated processes, predictable with a six-marker index (≥75% accuracy).