Expression of Protein Kinase C Family in Human Hepatocellular Carcinoma |
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| Authors: | Hsiu-Chin Lu Fen-Pi Chou Kun-Tu Yeh Ya-Sian Chang Nicholas C. Hsu Jan-Gowth Chang |
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| Affiliation: | (1) Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Institute of Clinical Research, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;(2) Institute of Biochemistry and Biotechnology, Chung-Shan Medical University, Taichung, Taiwan;(3) Department of Pathology, Changhua Christian Hospital, Changhua, Taiwan;(4) Center for Excellence in Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;(5) Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; |
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| Abstract: | Protein kinase Cs (PKCs) play important roles in signal transduction, cell regulation, and tumor formation. In the present study, we analyzed the expression of PKCs in human hepatocellular carcinoma (HCC) tissues and explored their roles in the development of HCC. Real-time quantitative PCR and immunohistochemistry showed that PKCβ and PKCθ were down-regulated in HCC tissues. Reduced expression of PKCθ is well correlated with the grade of cancer cells (p = 0.009), and the down-regulated expression of PKCβII is associated with HBV infection (p = 0.035). Our findings suggest particular roles of the two PKC isoenzymes in the hepatocarcinogenesis of human HCC. |
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