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Endothelial progenitor cells homing to the orthotopic implanted liver tumor of nude mice / 华中科技大学学报(医学)(英德文版)
Journal of Huazhong University of Science and Technology (Medical Sciences) ; (6): 675-9, 2012.
Article in English | WPRIM | ID: wpr-636612
ABSTRACT
This study investigated the "homing" phenomenon in hepatocellular carcinoma (HCC). The "homing" specificity of endothelial progenitor cells (EPC) by establishing an orthotopic implantation model in nude mice. EPCs harvested from the marrow cells were separated by density gradient centrifugation. Fluorescence microscope, flow cytometry (FCM) and double fluorescence staining with FITC-UEA-I and DiI-ac-LDL, were employed to identify the cells. 4',6-diamidino-2-phenylindole (DAPI) labelling and real-time PCR were used for detecting the expression of CD133 and chemokines to trace and observe the distribution of EPCs. Our results showed that the distribution rate of EPCs was obviously higher than that in other important organs and the negative control group. Detection of CD133 and chemokines yielded similar results in difference tissues. Our experiment confirmed that the chemotaxis of EPCs does exist in HCC. Moreover, HIF-1α, SDF-1 and VEGF might play important roles in the "homing" of EPCs in HCC. EPCs might be a potential candidate for targeting vector of HCC for gene therapy.
Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2012 Type: Article