SOX4 and colorectal cancer: Therefore, this study is aimed at analyzing the expression of PCGEM1 in colorectal cells and tissues; at analyzing the effect of PCGEM1 on the proliferation, invasion, and migration of colorectal cancer; and at uncovering the mechanisms involved, so as to clarify the role of PCGEM1/miR-129-5p/SOX4 axis in colorectal cancer.