WNT6 and colorectal cancer: It was previously shown that WNT6 expression is positively regulated by CAV1 (a scaffolding protein), UCA1 (a long noncoding RNA), and PLAGL2 (a zinc finger protein) in gastric, bladder, and colorectal cancer, respectively (Fan et al., 2014; Li et al., 2019; Yuan et al., 2013).