ALS	Amyotrophic lateral sclerosis
ALSFRS-R	ALS functional rating scale-revised
ASC	Adipose-derived stem cells
BBB	Basso, Beattie, Bresnahan (motor strength test)
BDNF	Brain-derived neurotrophic factor
BMSCs/BMD-MSCs	Bone marrow-derived mesenchymal stem cells
BMD-MNCs	Bone marrow-derived mononuclear cells
Cas9	CRISPR-associated protein 9
c-Myc	Cellular myelocytomatosis proto-oncogene
CNS	Central nervous system
CRISPR	Clustered regularly interspaced palindromic repeats
CRISPR-Cas9	CRISPR-associated system for gene editing
CRISPR-GA	CRISPR guide alignment
CRISPResso	CRISPR analysis tool for editing efficiency
FVC	Forced vital capacity
FDA	Food and Drug Administration
ESC	Embryonic stem cells
GABAA	Gamma-aminobutyric acid type A
GDNF	Glial cell-derived neurotrophic factor
GFAP	Glial fibrillary acidic protein
HDR	Homology-directed repair
hNSC	Human neural stem cells
iNPCs	Induced neural progenitor cells
iNSCs	Induced neural stem cells
iPSCs	Induced pluripotent stem cells
MCP-1	Monocyte chemoattractant protein 1
MRI	Magnetic resonance imaging
mRNA	Messenger RNA
NfL	Neurofilament light
NHEJ	Non-homologous end joining
NSCs	Neural stem cells
PCR	Polymerase chain reaction
PSC	Pluripotent stem cell
p53	Tumour protein p53
qNSC	Quiescent neural stem cells
SAM	S-adenosylmethionine
SICI	Short-interval intracortical inhibition
SCs	Stem cells
sMNs	Spinal motor neurons
SNVs	Single nucleotide variants
SOD1	Superoxide dismutase 1
SOD1A4V	SOD1 gene mutation (A4V)
TDP-43	TAR DNA-binding protein 43
TGF-β1	Transforming growth factor beta 1
TUJ1	Neuron-specific class III beta-tubulin
UC-MSCs	Umbilical cord-derived mesenchymal stem cells
UCMSC-CM	Umbilical cord mesenchymal stem cell-derived conditioned medium
WBC	White blood cells
WJ-MSCs	Wharton’s jelly mesenchymal stem cells