Orthotopic lung cancer mouse model.

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Presentation transcript:

Orthotopic lung cancer mouse model. Orthotopic lung cancer mouse model. To obtain tumour stock for orthotopic transplantation, RFP-expressing A549 cells (5×106) were suspended in Matrigel and inoculated into the right flank of 5-week-old female athymic nude mice. After tumour growth and harvest, the tumour tissue was cut into small pieces (diameter; 2–3 mm). A tumour fragment was sutured on the exposed lung with 8-0 nylon sutures. (A) RFP-expressing tumour fragments produced from a subcutaneous tumour from RFP-expressing A549 human lung cancer cells (left panels, low magnification; right panels, high magnification). (B) Surgical orthotopic implantation of tumour fragments on the exposed lung in the thoracic cavity. (1) Thoracotomy operation. (2) Isolation of the lower lobe of left lung. (3 and 4) Implantation of tumour fragments with 8-0 sutures. (5) Closure of chest wall with 6.0 sutures. (6) Closure of skin with 6.0 sutures. (C) Intravital imaging of A549-RFP lung cancer (OV100) (left panels, low magnification; right panels, high magnification). Shuya Yano et al. BMJ Open Resp Res 2015;2:e000096 ©2015 by British Thoracic Society