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Published on: June 11, 2011
PREDICTIVE VALUE OF SERUM IL-17A AND IP-10 FOR EVALUATION OF LIVER FIBROSIS PROGRESSION IN PATIENTS WITH HBV/HIV
High levels of Interferon gamma-induced protein 10 (IP-10) and Interleukin-17A (IL-17A) in HIV/HBV co-infected patients correlate with severe liver fibrosis, suggesting their role in disease progression and potential diagnostic utility.
Area of Science:
- Hepatology
- Immunology
- Infectious Diseases
Background:
- Hepatitis B virus (HBV) and Hepatitis C virus (HCV) infections, alongside HIV, pose significant health challenges in sub-Saharan Africa.
- High mortality rates are linked to rapid fibrogenesis and hepatocellular carcinoma in these co-infected populations.
- The precise role of pro-inflammatory cytokines like IP-10 and IL-17A in liver fibrogenesis during HIV/HBV co-infection remains unclear.
Purpose of the Study:
- To investigate the concentrations of IP-10 and IL-17A in the blood serum of HIV/HBV co-infected patients.
- To assess the potential of these cytokines in improving the diagnosis of liver fibrosis progression.
- To explore the correlation between IP-10, IL-17A levels and the severity of liver fibrosis.
Main Methods:
- Serum samples from 53 HIV/HBV co-infected patients and 21 healthy donors were analyzed.
- Measurements included serological markers, liver biopsy, and concentrations of IP-10 and IL-17A.
- Statistical analysis was performed using SPSS 12.0.
Main Results:
- HIV/HBV patients with advanced fibrosis (F3-4) exhibited significantly higher mean concentrations of IP-10 (753.6 pg/ml) and IL-17A (37.54 pg/ml) compared to those with less severe fibrosis (F1-2) and healthy controls (p=0.005 and p=0.032, respectively).
- A strong positive correlation was observed between increasing levels of IP-10 (r=0.6) and IL-17A (r=0.52) and the severity of liver fibrosis (p<0.05).
- Elevated levels of IP-10 and IL-17A were associated with an increased risk of developing advanced liver fibrosis (F3-4) in HIV/HBV co-infected individuals.
Conclusions:
- Elevated serum concentrations of IP-10 and IL-17A are significantly associated with advanced liver fibrosis in HIV/HBV co-infected patients.
- These pro-inflammatory cytokines may play a crucial role in the fibrogenesis process during HIV/HBV co-infection.
- IP-10 and IL-17A show potential as biomarkers for monitoring liver fibrosis progression in this patient population.
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