COL8A1 and neoplasm: COL8A1 might involve in the proliferation, adherence and migration of diverse cells, and overexpressed COL8A1 is detected in several rapidly proliferating cells, such as epithelial cells and tumor cells (Paulus et al., 1991; Bendeck et al., 1996; Xu et al., 2001; Tanaka and Arii, 2006; Wang et al., 2017).