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The role of MMP-2 in the invasion and metastasis of hepatocellular carcinoma (HCC)
Authors:W Bu  X Huang  Z Tang
Affiliation:Liver Cancer Institute and Zhongshan Hospital, Shanghai Medical University.
Abstract:OBJECTIVES: To get insights into the role of MMP-2 in the invasion and metastasis of hepatocellular carcinoma (HCC), and to find a method to judge the invasion and metastasis of HCC through MMP-2. METHODS: Zymograph and immunohistochemistry were used to study the content and types of positive cells of MMP-2 in the HCC, and statistical methods were used to analyse the association between the content of MMP-2 and the pathological indexes of HCC. RESULTS: MMP-2 was expressed by all the normal liver, HCC and surrounding liver parenchyma. The increase of MMP-2 and the presence of the active type of MMP-2 were related to the invasion and metastasis of HCC. The content of MMP-2 in HCC being higher than that in surrounding liver parenchyma was an important index to judge the invasion and metastasis of the HCC. The positive cells of MMP-2 found in immunohistochemistry were normal hepatocytes, cholangioepithelial cells, Ito cells, regenerated hepatocytes, new generated cholangioepithelial cells, and HCC cells. CONCLUSION: MMP-2 was related to the invasion and me astasis of HCC. The content of MMP-2 in HCC being higher than that in surrounding liver parenchyma could be bused as an important index to judge the invasion and metastasis of HCC.
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