nominally significantP ≤ 0.05
Pathway analysis performed in Metaboanalyst using all nominally significant metabolite changes ( P ≤ 0.05, FDR < 0.2) after loss of frataxin revealed effects on arginine biosynthesis, alanine metabolism, TCA cycle, taurine metabolism, and glutathione metabolism with many of the changes common among the heart, cerebellum, and mitochondria ( Supplemental Table 2A ).