Epirubicin-gold nanoparticles suppress hepatocellular carcinoma xenograft growth in nude mice |
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Authors: | William C. S. Meng Yunlong Pan Xiaoxu Zhao |
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Affiliation: | 1.Department of Surgery, Matilda Internatinal Hospital, Hong Kong, China2.Department of General Surgery, the First Affiliated Hospital of Jinan University, Guangzhou 510632, China |
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Abstract: | We sought to investigate the effects of epirubicin-nanogold compounds (EPI-AuNP) on hepatocellular carcinoma xenograft growth in nude mice. EPI-AuNP was prepared and hepatoma xenograft model was established in nude mice. The mice were then randomly divided into four groups: the control group with injection of saline, the AuNP treatment group, the EPI treatment group and the EPI-AuNP treatment group. After two weeks, the hepatoma weight and volume of the xenografts were assessed. Our transmission electron microscopy revealed that epirubicin-gold nanoparticles caused significantly more structural changes of hepatocellular carcinoma cells HepG2. The tumor weight in the Epi-AuNP treatment group (0.80±0.11 g) was significantly lower than that of the control group (2.48±0.15 g), the AuNP treatment group (1.67±0.17 g), and the EPI treatment group (1.39±0.10 g) (P<0.01). Furthermore, the tumor volume of mice in the EPI-AuNP treatment group (0.27±0.06 cm3) was significantly smaller than that of the control group (2.23±0.34 cm3), the AuNP treatment group (1.21±0.25 cm3) and the EPI treatment group (0.81±0.11 cm3) (P<0.01). In conclusion, epirubicin-nanogold compounds (EPI-AuNP) have significant inhibitory effects on the growth of hepatocellular carcinoma cells in vivo. |
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Keywords: | epirubicin nanogold hepatoma xenograft HepG2 cells HUVEC |
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