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Is serum high-mobility group box 1 (HMGB-1) level correlated with liver fibrosis in chronic hepatitis B?
Ahmet Cagkan Inkaya1, Nazlim Aktug Demir, Servet Kolgelier
1Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Hacettepe University, Ankara Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Selçuk University, Konya Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Adiyaman University, Adiyaman Department of Public Health, Faculty of Medicine, Necmettin Erbakan University, Konya Department of Pathology, Adiyaman Education and Research Hospital, Adiyaman Department of Biochemistry, Adiyaman Education and Research Hospital, Adiyaman Department of Biochemistry, Faculty of Medicine, Adiyaman University, Adiyaman, Turkey.
Insights
Serum high-mobility group box 1 (HMGB1) levels are elevated in early liver injury but do not correlate with fibrosis severity in chronic hepatitis B patients. Further research is needed to understand HMGB1's role in liver disease progression.
Area of Science:
- Hepatology
- Immunology
- Biochemistry
Background:
- High-mobility group box 1 (HMGB1) is an alarmin involved in virus-triggered liver injury.
- The association between HMGB1 and liver fibrosis requires further investigation.
Purpose of the Study:
- To evaluate the association between serum HMGB1 levels and liver fibrosis in chronic hepatitis B (CHB) patients.
Main Methods:
- A cross-sectional case-control study involving 189 CHB patients and 51 healthy controls.
- Liver biopsy and modified Knodell scoring were used to assess fibrosis.
- Serum HMGB1 levels were quantified using ELISA.
Main Results:
- Mean serum HMGB1 levels were significantly higher in CHB patients than in controls (P=.001).
- HMGB1 levels showed a non-significant trend towards being higher in advanced fibrosis stages.
- Fibrosis severity correlated inversely with albumin levels and directly with ALT and HBV DNA levels.
Conclusions:
- Serum HMGB1 levels increase during the early stages of liver injury.
- HMGB1 levels are not correlated with the severity of liver fibrosis in CHB patients.
Background:
High-mobility group box 1 (HMGB1), identified as an alarmin molecule, was shown to have a role in virus-triggered liver injury. We aimed to evaluate the association between serum levels of HMGB1 and liver fibrosis.
Method:
This cross-sectional case-control study included 189 chronic hepatitis B (CHB) patients and 51 healthy controls. All patients underwent liver biopsy and modified Knodell scoring system used to determine the fibrosis level in CHB patients. Serum HMGB1 levels were determined with enzyme-linked immunosorbent assay (ELISA).
Results:
Mean serum HMGB1 levels of patients (58.1 ± 54.7) were found to be higher than those of the control group (7.1 ± 4.3) (P = .001). HMGB1 levels of patients with advanced-stage fibrosis (stage 4 and 5) were detected to be higher than those of patients with early-stage fibrosis (stage 1-3). However, this difference was not statistically significant (P > .05). Albumin levels of fibrosis 3 and 4 patients were lower than fibrosis 1 and 2 patients. ALT, HBV DNA, and AFP levels of fibrosis 5 patients were significantly higher than fibrosis 1 and 2 patients, and their platelet and albumin levels are lower than fibrosis 1 and 2 patients (P < .001). In a logistic regression model, fibrosis levels were correlated with ALT values and inversely correlated with albumin levels.
Conclusion:
In this study, we demonstrated that serum HMGB1 levels increase in the early course of liver injury and this increase is not correlated with severity of the liver damage.
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