Cigarette smoke inhibits efferocytosis via deregulation of sphingosine kinase signaling: reversal with exogenous S1P and the S1P analogue FTY720. Tran HB, Barnawi J, Ween M, Hamon R, Roscioli E, Hodge G, Reynolds PN, Pitson SM, Davies LT, Haberberger R, et al. J Leukoc Biol. 2016 Jan 20. PMID: 26792820. Abstract CommentRecommendBookmarkWatch