Abstract
Metabolic flexibility is vital for organisms to respond to and survive changes in energy availability. A critical metabolic flexibility regulator is peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α), which regulates various transcription factors and nuclear receptors that, in turn, regulate mitochondrial homeostasis and fatty acid oxidation. PGC-1α is itself regulated, with one of the significant modes of regulation being acetylation. Thus, measuring the acetylation status of PGC-1α is a critical indicator of cells' metabolic flexibility. In this chapter, we describe a method of evaluating PGC-1α acetylation in primary mouse myotubes. This method can also be used with other cell types and tissues.
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