5-HT	5-hydroxytryptamine, serotonin
5-HT2	5-HT2 receptors for serotonin
5-HT7	5-HT7 receptors for serotonin
AMPA	α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid
Bax	pro-apoptotic Bcl-2 protein factor
BBB	Basso-Beattie-Bresnahan locomotor rating score
Bcl-2	anti-apoptotic protein inhibiting Beclin 1-dependent autophagy
BDNF	brain-derived neurotrophic factor
BM-MSCs	bone marrow mesenchymal stem cells
BMS	Basso Mouse Scale for locomotor rating
CNS	central nervous system
CREB	cAMP response element-binding protein div days in vitro
dpl	days post lesion
DPSCs	dental pulp stem cells
EPO	erythropoietin ESC embryonic stem
FAK	focal adhesion kinase
FasL	ligand for Fas receptor
FGF2	fibroblast growth factor 2
GABA	gamma-aminobutyric acid
GDAsBMP	bone morphogenetic protein-induced astrocytes derived from embryonic glial-restricted precursors
GDNF	glial cell-derived neurotrophic factor
GMCSF	granulocyte-macrophage colony-stimulating factor
HGF	hepatocyte growth factor
HIF-1α	hypoxia-inducible factor 1-alpha
IFN-γ	interferon γ
IL-10	interleukin 10
IL-12	interleukin 12
IL-1β	interleukin 1β
IL-6	interleukin 6
iNOS	inducible nitric oxide synthase
iNSCs	inducible neural stem cells
iPSCs	inducible pluripotenet stem cells
iPS-NSCs	induced pluripotent stem cell-derived neural stem cells
iPSs	induced pluripotent stem cells
KA	kainic acid
LC3	autophagy factor
M1	pro-inflammatory type of macrophages
M2	anti-inflammatory type of macrophages
MAG	myelin-associated glycoprotein
MCP1	monocyte chemoattractant protein 1
MIP-1α	macrophage inflammatory protein 1-alpha
MSCs	mesenchymal stem cells
NF-κB	nuclear factor kappa B
NGF	nerve growth factor
NMDA	N-methyl-D-aspartate glutamate
Nogo-A	neurite outgrowth inhibitor A
NSCs	neural stem cells
NPCs	neural progenitor cells
NT-4	neurotrophin-4
Olig2	oligodendrocyte transcription factor
OECs	olfactory ensheathing cells
OPCs	oligodendrocyte precursor cells
PNS	peripheral nervous system
RhoA	ras homolog family member A
ROCK	Rho-associated protein kinase
SCI	spinal cord injury
SCs	Schwann cells
sEV	small extracellular vesicles
SKP-SCs	skin-derived precursors differentiated into Schwann cells
STAT3	signal transducer and activator of transcription 3
TH	tyrosine hydroxylase
TNF-α	tumor necrosis factor-α
TT	total spinal cord transection
VEGF	vascular endothelial growth factor
Wnt/β	catenin