Increased interleukin-32 expression in chronic hepatitis B virus-infected liver

J Infect. 2012 Oct;65(4):336-42. doi: 10.1016/j.jinf.2012.05.009. Epub 2012 Jun 8.

Abstract

Objectives: The role of interleukin-32 (IL-32) in chronic hepatitis B (CHB) remains unclear. In order to identify the role of IL-32 in CHB, we detected the expression levels of IL-32 in liver samples of CHB patients and analyzed the correlation between IL-32 and liver inflammation/fibrosis.

Methods: Real-time PCR and immunohistochemistry were used to detect the expression levels of IL-32 in liver tissues of patients with CHB. The correlation between hepatic IL-32 expression and the severity of liver inflammation/fibrosis was assessed using Spearman's correlation.

Results: Hepatic IL-32 expression was increased in CHB patients and increased with the severity of liver inflammation/fibrosis. Moreover, hepatic IL-32 expression was significantly positively correlated with serum ALT level and negatively related with serum ALB level.

Conclusions: Our results suggest that IL-32 could be implicated in HBV-related liver inflammation/fibrosis. We believe that IL-32 might play important roles in the pathogenesis of CHB.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Female
  • Gene Expression*
  • Hepatitis B virus / pathogenicity*
  • Hepatitis B, Chronic / pathology*
  • Humans
  • Immunohistochemistry
  • Interleukins / analysis*
  • Interleukins / genetics
  • Liver / pathology*
  • Liver Cirrhosis / pathology
  • Male
  • Middle Aged
  • Real-Time Polymerase Chain Reaction
  • Severity of Illness Index

Substances

  • IL32 protein, human
  • Interleukins