Tissue-Specific Stem Cell Niche pp 163-189 | Cite as
Dental Pulp Stem Cell Niche
Abstract
Dental stem cells exist in dental tissues. Of those that have been isolated and better studied are those reside in dental pulp. These dental tissue-derived mesenchymal stem/stromal cells (MSCs) shared similar characteristics to other MSCs , yet, they are subtly different. The markers to identify MSC populations in situ as well as after isolation into cell cultures have been elusive. A number of markers have been used to identify dental pulp stem cells (DPSCs ) in situ such as STRO-1 , CD146 , 3G5, NOTCH3 and NG2 . Certain subpopulations based on some marker expression have been studied in vitro and tested for pulp-dentin tissue regeneration. Various approaches have been utilized to study the cellular and molecular mechanisms involved in the DPSC interactions with its niche components such as extracellular matrix . This chapter will focus on the review of the recent studies regarding DPSC niches and particularly their regulation.
Keywords
Dental stem cells Niche Stemness Pluripotent genes DPSCs SCAP MSCs STRO-1 CD146 NG2 NOTCH3 Growth factors Extracellular matrix ECM Signaling pathwaysAbbreviations
- DPSCs
Dental pulp stem cells
- SHED
Stem cells from exfoliated deciduous teeth
- PDLSCs
Periodontal ligament stem cells
- DFPCs
Dental follicle precursor cells
- SCAP
Stem cells from apical papilla
- MSCs
Mesenchymal stromal/stem cells
- BMMSCs
Bone marrow stromal/stem cells
- ECM
Extracellular matrix
- HA/TCP
Hydroxyapatite/tricalcium phosphate
- LAB
Living autologous fibrous bone
- SBP/DPSCs
Stromal bone producing DPSCs
- MDPSCs
Mobilized DPSCs
- PLLA
Poly-L-lactic acid
- HA-PCL
Hydroxyapatite-polycaprolactone
- nHA
Nano-hydroxyapatite
- DSPP
Dentin sialophosphoprotein
- DSP
Dentin sialoprotein
- DPP
Dentin phosphoprotein
- DMP-1
Dentin matrix protein-1
- BMPs
Bone morphogenetic proteins
- FGFs
Fibroblast growth factors
- VEGF
Vascular endothelial growth factor
- IGFs
Insulin-like growth factors
- TGF-β
Transforming growth factor
- PDGF
Platelet-derived growth factor
- EGF
Epidermal growth factor
- FKBP1A
FK506 binding protein 1A
- OPN
Osteopontin
- MAPK
Mitogen-activated protein kinases
- ERK
Extracellular signal-regulated kinases
- JNK
c-Jun-N-terminal kinase
- SP
Side population
Notes
Acknowledgments
This work was supported in part by grants from the National Institutes of Health R01 DE019156 (G.T.-J.H.).
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