CDK5 and colorectal carcinoma: There has been growing and important evidence showing that Cdk5 is also linked to a variety of cancers including prostate cancer, medullary thyroid carcinoma, liver cancer, lung cancer, and CRC (Cao et al., 2015; Zhang et al., 2015; Dorand et al., 2016; Herzog et al., 2016; Wei et al., 2016).