CNTN1 and gastric cancer: Thus, the objective of the present study was to demonstrate the association of CNTN-1 expression with clinicopathological features and the possibility of CNTN-1 being a prognostic marker in the patients with gastric cancer, the potential regulation of CNTN-1-induced invasion and metastasis of gastric cancer cells in vitro and in vivo and the relationship between CNTN-1 expression and expression of EMT-related proteins.