MS	Multiple sclerosis
CNS	Central nervous system
CIS	Clinically isolated syndrome
RRMS	Relapsing remitting MS
SPMS	Secondary progressive MS
PPMS	Primary progressive MS
Th	T helper
MSCs	Mesenchymal stem cells
CM	conditioned medium
EVs	Extracellular vesicles
Exo	Exosomes
OPC	Oligodendrocyte progenitor cell
Olig2	Oligodendrocyte transcription factor
MBP	Myelin basic protein
GFAP	Glial fibrillary acidic protein
Treg	Regulatory T
BM-MSCs	Bone marrow MSCs
EAE	Experimental autoimmune encephalomyelitis
TNF	Tumor necrosis factor
MPO	Myeloperoxidase
NO	Nitric oxide
IL	Interleukin
GSH	Glutathione
MP	Methylprednisolone
IL17RA	IL17 Receptor A
BBB	Blood-brain barrier
AQP4	Aquaporin 4
A2BAR	A2B adenosine receptor
HIF-1	Hypoxia-inducible factor 1
T-bet	T-box transcription factor TBX21
RORγT	RAR-related orphan receptor γ
Foxp3	Forkhead box P3
TGF	Transforming growth factor
AD-MSCs	Adipose tissue-derived MSCs
DC	Dendritic cell
SVF	Stromal vascular fraction
PDLSCs	Periodontal Ligament Stem Cells
NGF	Nerve growth factor
BDNF	Brain derived neurotrophic factor
S-MSCs	Skin-derived MSCs
IFN	Interferon
sTNFR1	soluble TNF receptor 1
WJ-MSCs	Wharton’s jelly-derived MSCs
MDA	Malondialdehyde
SOD	Superoxide dismutase
IDO1	indoleamine 2,3-dioxygenase 1
UCMSCs	Umbilical cord MSCs
NK	Natural killer
AMCs	Amnion mesenchymal cells
PMSCs	Placental derived MSCs
EMSCs	Embryonic MSCs
DMSCs	Decidua derived MSCs
mMAPCs	Mouse multipotent adult progenitor cells
NT-3	Neurotrophin-3
NMSCs	Neutralized MSCs
MSCs-NPs	MSCs-derived neural progenitor
MOG	Myelin oligodendrocyte glycoprotein
UCB-MSC	Umbilical cord blood mesenchymal stromal cells
TMP	Tetramethylpyrazine
SDF-1α	stromal cell-derived factor-1α
CXCR4	C-X-C chemokinereceptor type 4
APC	Adenomatous polyposis coli
17β-ED	17β-estradiol
MMP	Metalloproteinase
PSGL1	P-selectin glycoprotein ligand-1
SLeX	Sialyl-Lewisx
SPK1	Sphingosine kinase 1
rMOG	recombinant MOG
SHED	human exfoliated deciduous teeth
ED–Siglec-9	secreted ectodomain of sialic acid–binding Ig-like lectin-9
HGF	Hepatocyte growth factor
H-PDLSCs-CM	CM obtained from human PDLSCs under hypoxia
EMVs	Exo/microvesicles
TMEV	Theiler’s murine encephalomyelitis virus
GDNF	glial cell-derived neurotrophic factor
CNTF	ciliary neurotrophic factor
RA	retinoic acid
NR-MSCs	preinduced MSCs with NT-3 and RA
EA	Electroacupuncture
EDSS	Expanded Disability Status Scale
MRI	Magnetic resonance imaging
RD	radial diffusivity
AD	axial diffusivity