Synthetic triterpenoids have cytotoxicity in pediatric acute lymphoblastic leukemia cell lines but cytotoxicity is independent of induced ceramide increase in MOLT-4 cells. - Kong, G.; Wang, D.; Wang, H.; Wu, J.; Bielawski, J.; Konopleva, M.; Andreeff, M.; Ruvolo, P. P.; Maurer, B. J. (Leukemia (08876924), 2008)