GPR87 and familial pancreatic carcinoma: In addition, the ability of pancreatic cancer cells to induce human umbilical vein endothelial cell (HUVEC) tube formation, as indicated by the drastic increased length of the completed tubes, and chicken chorioallantoic membrane (CAM) neovascularization, and invasive capability was markedly increased in the GPR87-overexpressing pancreatic cells (Fig. 2d-f).