Effect of R278C and I79N mutations on metabolite levels in transgenic hearts. Changes in metabolite levels in WT, R278C, and I79N hearts. Bar charts for stearic acid, arachidic acid, heptadecanoic acid, creatinine, glucose-6-phosphate, and fructose-6-phosphate are shown. *, p < 0.05. **, p < 0.001.