Abstract
Abstract We have developed a mouse model of highly malignant lymphoma. The EL4 cell line was established from a lymphoma induced in a C57/BL6 mouse by 9,10-dimethyl-1,2-benzanthracene. Red fluorescent protein (RFP)-EL4 lymphoma cells were established. EL4-RFP cancer cells were injected in the tail vein of C57/BL6 GFP transgenic mice. EL4-RFP metastasis was observed in the lymph nodes of the superior mediastinum and in the liver 28 days later. The EL4-RFP tumors were visualized in the liver with the Olympus SZX7 microscope. Large EL4-RFP liver metastases in C57/BL6 GFP mice had GFP stromal cells derived from the host animal around the edge of EL4-RFP tumors. In addition, EL4-RFP lymphoma cells metastasis was formed in perigastric lymph node. EL4-RFP lymphoma cells circulated in the peripheral blood. Furthermore, EL4-RFP lymphoma cells were observed in bone marrow of C57/BL6 GFP transgenic mice. In summary, lymph node metastasis, liver metastasis and bone marrow metastasis were found approximately 4 weeks after transplantation. This malignant lymphoma model can be used to study early tumor development, metastasis, the role of stroma and discovery and evaluation of novel therapeuticus for this treatment-resistant disease. Citation Format: Takuro Matsumoto, Atsushi Suetsugu, Yuhei Shibata, Nobuhiko Nakamura, Hitomi Aoki, Takahiro Kunisada, Masahito Shimizu, Hisashi Tsurumi, Robert M. Hoffman. Development of a syngeneic metastatic mouse model of malignant lymphoma. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr 4201. doi:10.1158/1538-7445.AM2015-4201
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