PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16183668-2 2006 Mediators of acute lung injury such as TNF-alpha, platelet-activating factor, and Fas/Apo ligand stimulate sphingomyelin hydrolysis to increase intracellular ceramide levels. Ceramides 158-166 tumor necrosis factor Homo sapiens 39-48