Contribution of phospholipase A2 enzymes in the homeostasis of the immune system

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The immune system distinguishes the self from the non-self, preventing foreign organisms or other sort of insults from damaging the body. To ensure of its homeostasis, multiple mechanisms tightly regulate the immune system. It is now appreciated that a complex ecosystem of microorganisms, referred to as the microbiota, lives in symbiosis with mammals and modulates immune responses. In our NSERC program, we consider the role of bactericidal enzymes hydrolyzing phospholipids, called phospholipase A2 (PLA2), in the regulation of the immune system.