- The leukaemic oncoproteins Bcr-Abl and Tel-Abl (ETV6/Abl) have altered substrate preferences and activate similar intracellular signalling pathways. Voss, J., Posern, G., Hannemann, J.R., Wiedemann, L.M., Turhan, A.G., Poirel, H., Bernard, O.A., Adermann, K., Kardinal, C., Feller, S.M. Oncogene (2000)