Lida ZHANG, Xinhui FANG, Yuxiu YANG, et al. Cepharanthine hydrochloride inhibits kidney and testicular metastases from hepatocellular carcinoma in xenograft tumor models in nude mice[J]. Journal of Third Military Medical University, 2018, 40(13): 1192-1197.
DOI:
Lida ZHANG, Xinhui FANG, Yuxiu YANG, et al. Cepharanthine hydrochloride inhibits kidney and testicular metastases from hepatocellular carcinoma in xenograft tumor models in nude mice[J]. Journal of Third Military Medical University, 2018, 40(13): 1192-1197. DOI: 10.16016/j.1000-5404.201712207.
Cepharanthine hydrochloride inhibits kidney and testicular metastases from hepatocellular carcinoma in xenograft tumor models in nude mice
To observe the kidney and testicular metastases from hepatocellular carcinoma in nude mouse model by orthotopic transplantation of human liver cancer cells stably expressing reporter gene luciferase
and investigate the anti-metastatic effects of cepharanthine hydrochloride (CEH) and its molecular mechanism.
Methods
2
SMMC-7721 cells were transfected with luciferas
e gene mediated by lentiviral vector to prepare SMMC-7721-Luc cells. Then the obtained cells were inoculated subcutaneously into the back of BALB/c nude mice to establish xenograft tumor model of nude mice. Till the masses grow into a size of 100 mm
3
the masses were collected and cut into blocks of 2 mm×1 mm×1 mm
and then transplanted into the liver to establish orthotopic tumor model of liver cancer. The tumor growth and kidney and testicular metastases were observed in nude mice after intraperitoneal injection of CEH by bioluminescence imaging system. In 21 d after CEH injection
the tumor tissues were harvested for expression of related proteins by Western blotting
and the liver
kidneys and testis were collected and fixed with 10% neutral formaldehyde for pathological observation.
Results
2
The established SMMC-7721-Luc cells stably expressed luciferase gene
and produced strong and stable fluorescence after orthotopic transplantation in nude mice. The bioluminescence imaging system displayed that CEH significantly inhibited the kidney and testicular metastases of orthotopic liver tumor
which was associated with the down-regulation of MMP-7 and N-cadherin
and up-regulation of E-cadherin.
Conclusion
2
CEH significantly inhibits the kidney and testicular metastases from hepatocellular carcinoma by regulating MMP-7
N-cadherin and E-cadherin.
关键词
Keywords
references
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