OFs were lysed and processed as described previously.20 (link) Antibodies targeting p-AMPKα (rabbit anti-p-AMPKα), AMPKα (rabbit anti-AMPKα), p-AMPKβ (rabbit anti-p-AMPKβ), AMPKβ1/2 (rabbit anti-AMPKβ1/2), p-ACC (rabbit anti-p-ACC), ACC (rabbit anti-ACC), and β-tubulin (rabbit anti-β-tubulin) were all obtained from Cell Signaling Technology (Danvers, MA, USA), and AMPKβ (mouse anti-AMPKβ) was obtained from Santa Cruz Biotechnology (Santa Cruz, CA, USA).