Publication date
October 2002
DOI Publisher
Federation of European Biochemical Societies. Published by Elsevier B.V.Abstract
AbstractA major part of the proinflammatory activity of tumor necrosis factor (TNF) is brought about by cytosolic phospholipase A2 (cPLA2) that generates arachidonic acid, the precursor for the production of leukotrienes and prostaglandins. The activation of cPLA2 and induction of proinflammatory lipid mediators is in striking contrast to the teleologic meaning of apoptosis, which is to avoid an inflammatory reaction. In this review we highlight the evidence for a caspase-mediated cleavage and inactivation of cPLA2, which seems to be an important mechanism by which TNF downregulates cPLA2 activity in cells undergoing apoptosis
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