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Serum soluble CD40 is associated with liver injury in patients with chronic hepatitis B

Hong-Hui Shen1, Bing-Ke Bai1, Ya-Qing Wang2

  • 1Institute of Infectious Diseases, Beijing 302 Hospital, Beijing 100039, P.R. China.

Experimental and Therapeutic Medicine
|February 11, 2015
PubMed

Insights

Soluble cluster of differentiation 40 (sCD40) is elevated in chronic hepatitis B (CHB) patients, correlating with liver injury. Higher sCD40 levels indicate severe liver inflammation and may serve as a diagnostic marker for hepatic tissue damage in CHB.

Area of Science:

  • Immunology
  • Hepatology
  • Biochemistry

Background:

  • Soluble cluster of differentiation 40 (sCD40) is derived from membrane-bound CD40 and modulates immune responses by binding to CD154.
  • Understanding the role of sCD40 in chronic hepatitis B (CHB) is crucial for diagnosing and managing liver disease.

Purpose of the Study:

  • To investigate the association between serum sCD40 levels and the severity of liver injury in patients with CHB.
  • To evaluate the diagnostic potential of sCD40 as a biomarker for severe liver inflammation in CHB.

Main Methods:

  • Retrospective analysis of serum sCD40 levels in 132 CHB patients and 33 healthy controls.
  • Correlation analysis between sCD40 concentrations and liver dysfunction biomarkers (ALT, AST), necroinflammation, fibrosis, and HBV antigen expression.
  • Receiver operating characteristic (ROC) curve analysis to assess diagnostic accuracy.

Main Results:

  • CHB patients exhibited significantly higher sCD40 levels compared to healthy individuals.
  • sCD40 concentrations positively correlated with serum ALT and AST levels and increased with liver necroinflammation and fibrosis severity.
  • Lower sCD40 levels were observed in patients with high HBV antigen expression (>75%).
  • sCD40 demonstrated superior diagnostic accuracy for severe liver inflammation compared to ALT and AST.

Conclusions:

  • Serum sCD40 is a potential biomarker for assessing liver injury severity in CHB.
  • sCD40 levels can aid in the immunological diagnosis of hepatic tissue injury in chronic hepatitis B.
  • Further research may elucidate the precise mechanisms linking sCD40 to CHB pathogenesis.

Keywords:
fibrosishepatocyteimmunenecroinflammatory

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