CD40LG and atherosclerosis: Since accumulation of dead cells is a major feature of atherosclerosis, IgM anti-PC-induced inhibition of cell death caused by an important inflammatory phospholipid, lysophosphatidylcholine13 and increased clearance of dead cells by both IgM7 and IgG1 anti-PC26 could also play a causative and protective role, inhibiting plaque development.