FTY720 inhibits tumor growth and enhances the tumor-suppressive effect of topotecan in neuroblastoma by interfering with the sphingolipid signaling pathway. Li M-H, Hla T, Ferrer F Pediatr Blood Cancer. 2013 Sep; 60(9):1418-23. Epub 2013 May 23. PMID: 23704073. Abstract CommentRecommendBookmarkWatch