PTN and cancer: Cell movement/proliferation of endothelial cells (ADIPOQ, CXCL12, ENPP2, FGF13, HGF, HHEX, MYH11, PTN), formation of endothelial tube and blood vessel (ADAMTS1, ANGPTL1, CCL11, CXCL12, ENPP2, F13A1, HGF, MEF2C, MYH11, PTEN), cell movement of cancer cells (CXCL12, CD36, HGF, IGF1, L1CAM, SFRP1, PTN), tumorigenesis (AGTR1, CNN1, ENPP2, FGF7, HGF, IGF1, KIT, L1CAM), Hirschprung disease (EDNRB, L1CAM)