DCC and colorectal cancer: Among these, many have important roles in regulating the neural progenitors migration, such as deleted in colorectal cancer (DCC)(Okbay et al., 2016; Nagel et al., 2018; Turley et al., 2018; Hill et al., 2020), XKR6 (Okbay et al., 2016; Luciano et al., 2018; Hill et al., 2020) and transcription factor 4 (TCF4) (Okbay et al., 2016; Luciano et al., 2018; Nagel et al., 2018; Hill et al., 2020).