Generation of an orthotopic mouse model to study colorectal cancer metastasis.

This protocol describes the generation of a mouse colorectal cancer (CRC) model to study the mechanism of CRC growth and metastasis. Compared to existing protocols, this protocol is mainly to improve the incidence of metastasis. The major advantage of this model is that it mimics the process of clinical CRC metastasis. Thus, it can be used to study different stages of CRC progression and to identify molecular markers or therapeutic targets. The limitation is the difficulty of performing the operation. For complete details on the use and execution of this protocol, please refer to Zhang et al. (2021).