AE	Allotopic expression
AHSCT	Allogeneic hematopoietic stem cell transplantation
ALS	Amyotrophic lateral sclerosis
ATP	Adenosine triphosphate
ETC	Electron transport chain
HR	Homologous region
HSP	Hereditary spastic paraplegias
IMS	Intermembrane space
iPSCs	Induced pluripotent stem cells
AAV/AAV2	Adeno-associated virus (vector)
NADH	Nicotinamide adenine dinucleotide dehydrogenase
LHON	Leber’s hereditary optic neuropathy
NARP	Neuropathy, ataxia, and retinitis pigmentosa
MELAS	Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes
MERRF	Myoclonic epilepsy with ragged-red fibers
MIDD	Maternally inherited diabetes and deafness
MILS	Maternally inherited Leigh syndrome
MIM/IM	Mitochondrial inner membrane
MNGIE	Mitochondrial neurogastrointestinal encephalomyopathy
mtDNA	Mitochondrial DNA
MTS	Mitochondrial targeting sequence
OXPHOS	Oxidative phosphorylation
RC	Respiratory complex
RNS	Reactive nitrogen species
ROS	Reactive oxygen species
SCA	Spinocerebellar ataxias
TALENS	Transcription activator-like effector nucleases
TM	Transmembrane domain
UTR	Untranslated regions