Disease Models, Animal; Drosophila; Friedreich Ataxia/genetics; Friedreich Ataxia/pathology; Lipid Metabolism Disorders/complications; Animals; Animals, Genetically Modified; Carrier Proteins/genetics; Carrier Proteins/physiology; Cell Survival/genetics; Drosophila/genetics; Drosophila Proteins/genetics; Drosophila Proteins/physiology; Fatty Acids/blood; Friedreich Ataxia/complications; Friedreich Ataxia/metabolism; Humans; Iron-Binding Proteins/genetics; Iron-Binding Proteins/metabolism; Iron-Binding Proteins/physiology; Lipid Metabolism Disorders/genetics; Lipid Metabolism Disorders/metabolism; Lipid Metabolism Disorders/pathology; Lipid Peroxidation/genetics; Lipid Peroxidation/physiology; Male; Membrane Glycoproteins/genetics; Membrane Glycoproteins/physiology; Nervous System/metabolism; Nervous System/pathology; Neuroglia/metabolism; Neuroglia/physiology; Oxidative Stress/genetics; Oxidative Stress/physiology; Frataxin