Increased interleukin-32 expression in chronic hepatitis B virus-infected liver
2012
Summary 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.
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