Abstract

Objective To explore the expression of Glut1, HIF-1α and Ki-67 in hepatocellular carcinoma (HCC) and their relationship between their expression and clinicopathological features.Methods Immunohistochemical study (EnVision method) for Glut1, HIF-1a and Ki-67 were performed on tissue microarray which consisted of 171 cases of HCC, 55 cases of adjacent non-neoplastic liver tissues, and 22cases of normal liver tissues.Results The expression rate of Glut1 ,HIF-1α and ki-67 in 171 cases of HCC was 15.2%, 19.9% and 66.1%, respectively, which was much higher than that in the adjacent non-neoplastic liver tissues (1.8% ,1.8%and 5.5%) and normal liver tissues(all negative).The expressions of Glut1 and HIF-1α were positively correlated with the differentiation degree of HCC and TNM stage(P <0.01, P <0.05).The expression of ki-67 was positively correlated with the differentiation degree of HCC.There was a significant positive correlation between the expressions of Glut1 and HIF-1α in HCC (r1 =0.553, P <0.05), the expressions of Glut1 and HIF-1α were positively correlated with ki-67(r2 =0.560,r3 =0.613, P <0.05).Conclusions Glut1, HIF-1α and ki-67 may play a role in the tumorigenesis and progression of HCC in some degree.Combined detection of Glut1, HIF-1α and Ki-67 may be helpful to judge the degree of malignancy and potential metastasis and evaluate the prognosis. Key words: Glucose transport proteins,facilitative/ME,Hypoxia-inducible factor 1/ME; Ki-67antigen/ME; Carcinoma, hepatocellular/ME

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