AD	Atopic dermatitis
ASC	Adult stem cells
ALP	Alkaline phosphatase
BAFF	B cell-activating factor
bFGF	basic Fibroblast growth factor
BM-MSCs	Bone marrow-derived MSCs
BMP	Bone morphogenic protein
BSP	Bone sialo protein
cAMP	cyclic Adenosine monophosphate
CD	Crohn’s disease
CD	Cluster of differentiation
CM	Conditioned media
Col I	Type I collagen
COX-2	Cyclooxygenase-2
CTGF	Connective tissue growth factor
DF	Dental follicle
DFPCs	Dental follicle progenitor cells
DLX	Distal-Less Homeobox
DMP	Dentin matrix acidic phosphoprotein
DPSCs	Dental pulp stem cells
EMD	Enamel matrix derivative
EMVs	Extracellular micro-vesicles
ESCs	Embryonic stem cells
FasL	Fas ligand
FGF	Fibroblast growth factors
GFAP	Glial fibrillary acidic protein
GM-CSF	Granulocyte-macrophage colony-stimulating factor
GMSCs	Gingiva-derived mesenchymal stem cells
HA/TCP	Hydroxyapatitie/tricalcium phosphate
HLA	Human leukocyte antigen
IBD	Inflammatory bowel diseases
IDO	Indoleamine 2,3-dioxygenase
IFN-γ	Interferon-γ
IGF	Insulin-like growth factor
IL	Interleukin
IgE	Immunoglobulin E
iNOS	inducible Nitric oxide synthase
ISCs	Intestinal stem cells
NF-κB	Nuclear factor kappa-light-chain-enhancer of activated B cells
NG2	Neuron-glial antigen 2
MAP2	Microtubule-associated proteins
MHC	Major histocompatibility complex
mRNA	Messenger RNA
MS	Multiple sclerosis
MSCs	Mesenchymal stromal/stem cells
MTA	Mineral Trioxide Aggregate
NCSCs	Neural crest-derived stem cells
NFIC	Nuclear factor I-C
O4	Oligodendrocyte marker
Oct3/4	Octamer-binding transcription factor 3/4
OCN	Osteocalcin
Olig2	Oligodendrocyte transcription factor2
OPCs	Oligodendrocyte progenitor cells
OPG	Osteoprotegerin
OPN	Opsteopontin
PBMC	Peripheral blood mononuclear cells
PDL	Periodontal ligament
PDLSCs	Periodontal ligament stem cells
PGE2	Postaglandin E2
PLG	poly-d,l-lactide and glycolide
PMSCs	Periodontal ligament derived mesenchymal stem cells
RA	Rheumatoid arthritis
RANK	Nuclear factor κB
RANKL	Nuclear factor κB ligand
RET	Regenerative endodontic treatment
RUNX2	Runt-related transcription factor 2
SCAP	Stem cells from apical papilla
SDF	Stromal cell-derived factor
sFRP	secreted Frizzled-related protein
SHED	Stem cells from human exfoliated deciduous teeth
SPD	Stem cell sheets derived from minipig deciduous teeth
SS	Sjogren’s syndrome
TGF-β	Transforming growth factor β
Th	T helper
TNF-α	Tumor necrosis factor-α
Tregs	regulatory T cells
UC	Ulcerative colitis
VEGF	Vascular endothelial growth factor
WIF1	Wnt inhibitory factor 1