The TNF-superfamily members APRIL and BAFF and their receptors (BAFFR, BCMA, TACI) are differentially expressed in tumors and normal tissues and exert specific effects related to cell fate and differentiation V. Pelekanou * , V.-I. Alexaki, G. Notas, M. Kampa, E. Stathopoulos, A. Tsapis, E. Castanas * University of Crete, Pathology, School of Medicine, Heraklion, Greece