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. 2014 Nov;34(22):4165–4176. doi: 10.1128/MCB.00722-14

FIG 8.

FIG 8

Working model. In the feeding state, ATGL-1 is actively degraded by the proteasome pathway to maintain a low rate of basal lipolysis. In the fasting state, increased cAMP levels activate PKA signaling. Then, PKA phosphorylates and stabilizes ATGL-1, which is recruited to lipid droplets via interaction with LID-1, eventually stimulating lipid hydrolysis.