The class 3 PI3K coordinates autophagy and mitochondrial lipid catabolism by controlling nuclear receptor PPARα

Abstract

Peroxisome Proliferator Activated Receptor alpha (PPARα) drives fatty acid catabolism. Here, the authors show that in liver of autophagy deficient class 3 phosphoinositide 3-kinase mutant mice PPARα transcriptional repressors fail to degrade in lysosomes and accumulate leading to PPARα inhibition and blunted transcriptional responses during fasting.