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Serum protein expression patterns in detecting a new viral protein in HBeAg-negative chronic hepatitis B

Huguang Chen1, Shuya Luo2, Weili Lu3

  • 1Infectious Diseases Department,, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Journal of Viral Hepatitis
|August 6, 2019
PubMed

Insights

Researchers identified a specific protein marker in HBeAg-negative chronic hepatitis B (CHB) patients. This finding may help understand the disease

Area of Science:

  • Hepatology
  • Virology
  • Biochemistry

Background:

  • Chronic hepatitis B (CHB) is a significant global health concern.
  • Hepatitis B e antigen (HBeAg)-negative CHB represents a distinct clinical entity.
  • Understanding viral protein expression is crucial for CHB pathogenesis.

Purpose of the Study:

  • To analyze viral protein expression changes in HBeAg-negative CHB.
  • To identify potential biomarkers associated with HBeAg-negative CHB.

Main Methods:

  • Serum samples from 160 individuals were analyzed.
  • Participants were categorized into HBeAg-negative CHB, inactive seroconverters, HBeAg-positive CHB, and healthy controls.
  • Surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS) was employed.

Main Results:

  • A distinct peak at 4140 m/z was significantly elevated in HBeAg-negative CHB patients.
  • This elevated peak showed a significant difference compared to inactive seroconverters.
  • The identified peak correlated with hepatitis B virus (HBV) DNA replication.

Conclusions:

  • A specific protein marker (4140 m/z) is associated with HBeAg-negative CHB.
  • This marker may play a role in the pathogenesis of HBeAg-negative CHB.
  • Further research is warranted to elucidate the role of this protein in HBV infection.

Keywords:
HBV biomarkerSELDI-TOF-MSbioinformaticsdiagnosispre-C/C region mutation

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