FAS and cancer: Recent studies have uncovered a link between the EMT and the acquisition of stem cell characteristics.6, 7 Most growth factors such as TGF-β, HGF, EGF, IGF and FGF are known to trigger EMT.8 Interestingly, there is growing evidence that the so-called ‘death receptor' CD95 (Fas/Apo-1) behaves like a growth factor receptor in cancer cells.9, 10, 11