T-MSC	tonsil-derived mesenchymal stem cell
MN	motor neuron
MND	motor neuron diseases
ALS	amyotrophic lateral sclerosis
ESC	embryonic stem cell
iPSC	induced pluripotent stem cell
NPC	neural progenitor cell
PEI	polyethyleneimine
PNS	peripheral nervous system
CNS	central nervous system
HB9	HB9/HLXB9
ChAT	choline acetyltransferase
pChAT	Peripheral type ChAT
MNM	motor neuronal induction medium
BDNF	brain-derived neurotrophic factor
GDNF	glial cell-derived neurotrophic factor
NGF	nerve growth factor
HRG	heregulin
hSKMC	human skeletal muscle cells
AchR	acetylcholine receptors
α-BTX	α-bungarotoxin
NMJs	neuromuscular junctions
RA	retinoic acid
Shh	sonic hedgehog
cChAT	common type of ChAT
GFRα	GDNF family receptor α
GAPDH	glyceraldehyde 3-phosphate dehydrogenase
FBS	fetal bovine serum
PBS	phosphate-buffered solution
CM	conditioned media
α-SMA	α-smooth muscle actin
SEM	standard error of the mean
ANOVA	analysis of variance