Abstract
Some of the most recent data concerning various phospholipases A2, with special emphasis on secretory, cytosolic, and calcium-independent phospholipases A2 are summarized. Besides their contribution to the production of proinflammatory lipid mediators, the involvement of these enzymes in key cell responses such as apoptosis or tumor cell metastatic potential is also discussed, taking advantage of transgenic models based on gene invalidation by homologous recombination. The possible role of secretory and cytosolic platelet-activating factor acetyl hydrolases is also briefly mentioned. Finally, the ectopic expression in epididymis of an intestinal phospholipase B opens some novel issues as to the possible function of phospholipases in reproduction.
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Abbreviations
- MAP kinase:
-
mitogen-activated protein kinase
- mPLB:
-
membrane phospholipase B
- PAF:
-
platelet-activating factor
- PLA2 :
-
phospholipase A2
- mPLB:
-
phospholipase B
- cPLA2 :
-
cytosolic PLA2
- iPLA2 :
-
calcium-independent PLA2
- sPLA2 :
-
secretory PLA2
- TNFα:
-
tumor necrosis factor α
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Chaminade, B., Le Balle, F., Fourcade, O. et al. New developments in phospholipase A2 . Lipids 34 (Suppl 1), S49–S55 (1999). https://doi.org/10.1007/BF02562228
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DOI: https://doi.org/10.1007/BF02562228