Journal
JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH
Volume 29, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1756-9966-29-84
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Funding
- national Basic Research Program of China (973 Program) [2010CB529403]
- Natural Science Foundation of China [30872654, 30772241]
- Natural Science Foundation of Jiangsu Province [BK2007507, BK2008173]
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Objective: Orthotopic models are important in cancer research. Here we developed orthotopic xenograft mouse model of metastatic lung cancer and glioblastoma with a specially designed system. Methods: Tiny fragments of surgical tumors were implanted into the mice brain with a trocar system. Immunohistochemistry was performed to detect brain tumor stem cells among glioblastoma tissues, including both the original and resulting ones with monoclonal antibody against CD133. Results: Besides the constant high take rates in both models; brain transplants perfectly resembled their original tumors in biological behaviors. The brain tumor stem cells, positively stained with CD133 were found, though not frequently, in both original and resulting glioblastoma tissues. Conclusions: Orthotopic model established with a trocar system is effective and injection of tumor tissues containing stem cells promise the forming of new tumor mass when grafted.
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