4-MC	4-Methylcatechol
ADSCs	Adipose-derived stem cells
AFG	Aligned fibrin nanofiber hydrogels
ASC	Adipose-derived stem cells
BDNF	Brain-derived neurotrophic factor
bFGF	Basic fibroblast growth factor
BMMSCs	Bone marrow-derived mesenchymal stem cells
BP@TA	Tannic acid-modified black phosphorus nanosheets
CMAP	Compound motor action potential
CMCS	Carboxymethyl chitosan
CNS	Central nervous system
CS/GP	Chitosan/glycerol-beta-phosphate disodium salt hydrogel
CSCl-SP	Substance P-conjugated chitosan hydrochloride hydrogel
DN	Double network
ECM	Extracellular matrix
ES	Electrical stimulation
FGF	Fibroblast growth factor
GDNF	Glial cell-derived neurotrophic factor
GelMA	Gelatin-methacrylate
GOA	Graphene oxide acrylate
HA	Hyaluronic acid
hADSCs	Human adipose-derived mesenchymal stem cells
HASPy	Self-healing electroconductive hydrogel
MDP	Multidomain peptide
MSCs	Mesenchymal stem cells
NCV	Nerve conduction velocity
NGCs	Neural guidance channels
NGF	Nerve growth factor
OE-MSCs	Olfactory mucosa stem cells
PALDE	Paracrine Signals-Loaded Extracellular Vesicle
PHEMA-MMA	Poly(2-hydroxyethyl methacrylate-co-methyl methacrylate)
PLCL	Poly(lactide-co-caprolactone)
SCI	Spinal cord injury
SFI	Sciatic functional index
SHH	Sonic hedgehog
SHH	Sonic hedgehog protein
SWCNT	Single-wall carbon nanotube
TEMPO	2,2,6,6-Tetramethylpiperidinyloxy
WD	Wallerian degeneration