To allow highly sensitive detection of the disseminating human colorectal cancer (CRC) cells colonizing tissues, we herein show a protocol for efficient transduction of green fluorescent protein (GFP) lentiviral particles into PDX-derived CRC organoid cells prior to their injection into recipient mice, with stereo-fluorescence microscopic observation.
Okazawa, Y., Mizukoshi, K., Koyama, Y., Okubo, S., Komiyama, H., Kojima, Y., Goto, M., Habu, S., Hino, O., Sakamoto, K., Orimo, A. High-sensitivity Detection of Micrometastases Generated by GFP Lentivirus-transduced Organoids Cultured from a Patient-derived Colon Tumor. J. Vis. Exp. (136), e57374, doi:10.3791/57374 (2018).