PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8613675-3 1996 The method is based on the binding of propidium iodide (PI), a membrane-impermeant dye, to nucleic acids of WEHI 164 cells, whose plasma membrane permeable due to TNF-alpha-induced cell damage. Propidium 38-54 tumor necrosis factor Mus musculus 163-172