The role of heat shock protein 27 expression in hepatocellular carcinoma in Japan: special reference to the difference between hepatitis B and C
- 5 July 2004
- journal article
- research article
- Published by Wiley in Liver International
- Vol. 24 (4), 316-321
- https://doi.org/10.1111/j.1478-3231.2004.0927.x
Abstract
Background: A recent report showed that heat shock protein (HSP)‐27 expression was related to histological grade and survival of patients with hepatocellular carcinoma (HCC). Aims: The aim of this study was to examine the effect of expression of HSP‐27 on clinicopathological variables in Japanese patients with HCC. Methods: An immunohistochemical study for HSP‐27 was performed on 60 HCC cases using a monoclonal anti‐HSP‐27 antibody. We divided 60 patients into two groups, patients with a low expression of HSP‐27 (n=34) and those with a high expression of HSP‐27 (n=26). Forty patients tested positive for the hepatitis C virus (HCV) antibody and 20 tested positive for the hepatitis B surface antigen. Results: There appeared to be no relationship between HSP expression and clinicopathologic factors and no differences were observed between the high expression group and the low expression group. In the hepatitis B virus (HBV) group (n=20), HSP‐27 expression correlated significantly with prognosis, disease‐free survival (DFS) and overall survival. High expression was significantly associated with poor prognosis in the HBV group. In contrast, patients with a high expression tended to have a good prognosis in the HCV group (n=40): DFS and overall survival. Conclusions: This study showed the possibility that HSP‐27 plays different roles in HBV‐ and HCV‐associated HCCs.Keywords
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