Mitochondrial DNA (mtDNA) abundance was quantified as previously described [30] (link). In short, total DNA was extracted from mouse heart tissue lysates, using the QIAamp DSP DNA Mini Kit (Qiagen). Quantitative PCR was performed with mitochondrial DNA- and nuclear DNA-specific primers for COX2 and UCP2 respectively (Table S3), on a Roche Lightcycler 480 using Roche SYBR-green mastermix.
Citrate synthase activity was measured in mouse heart tissue lysates as previously described [31] (link).
Free full text: Click here