AAV	Adeno-Associated Virus
Ad	Adenoviruses
ALS	Amyotrophic Lateral Sclerosis
BAC	Bacterial Artificial Chromosomes
BBB	Blood–Brain Barrier
BDNF	Brain-Derived Neurotrophic Factor
CAG	Enhancer/Chicken β-Actin
CMV	Cytomegalovirus
CNS	Central Nervous System
CSF	Cerebrospinal Fluid
DRG	Dorsal Root Ganglion
EF1α	Human Elongation Factor 1α
EPO	Erythropoietin
FA	Friedreich’s Ataxia
FDA	U.S. Food and Drug Administration
FXN	Frataxin
GFAP	Glial Fibrillary Acidic Protein
HSV	Herpes Simplex Virus
ICM	Intra-Cisterna Magna
ICV	Intracerebroventricular
IT	Intrathecal
LCA	Leber’s Congenital Amaurosis
MCK	Muscle Creatine Kinase
NSE	Neuron-Specific Enolase
SMA	Spinal Muscular Atrophy
SYN1	Synapsin-1
YAC	Yeast Artificial Chromosomes