A flavivirus protein M-derived peptide directly permeabilizes mitochondrial membranes, triggers cell death and reduces human tumor growth in nude mice. - Brabant M; Baux L; Casimir R; Briand JP; Chaloin O; Porceddu M; Buron N; Chauvier D; Lassalle M; Lecoeur H; Langonné A; Dupont S; et al. (Apoptosis : an international journal on programmed cell death, 2009)