ITGA4 and neoplasm: Integrins (ITGA1, ITGA2, ITGA3, ITGA4, ITGA5, ITGA8, ITGAV, ITGAX, ITGAM, ITGB1 and ITGB2) expressed in tumours have the ability to identify various ligands such as collagens, FN1 and LAMININ.