Brain neurodamage from chronic binge ethanol (EtOH) exposure is linked to neuroinflammation and associated oxidative stress. Using rat organotypic hippocampal–entorhinal cortical (HEC) slice cultures of developing brain age, we reported that binge EtOH promotes release of a neuroinflammatory instigator, arachidonic acid (AA), concomitant with neurodegeneration, and that mepacrine, a global inhibitor of phospholipase A2 (PLA2) enzymes mobilizing AA from phospholipids, is neuroprotective. Here, we sought with binge EtOH-treated HEC cultures to establish that PLA2 activity is responsible in part for significant oxidative stress and to ascertain the PLA2 families responsible for AA release and neurodegeneration.
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