Dental pulp stem cells (DPSCs) are a type of mesenchymal stem cells derived from dental pulp that serves as an important model for investigating biological regeneration. DPSCs have a multipotent differentiation capacity and can promote different biological processes, including osteogenesis, odontogenesis, chondrogenesis, and angiogenesis. These biological processes are regulated by an extensive range of intra- and extra-cellular factors. Further, biomechanical cues, such as substrate stiffness, physical stress, and cell spreading, have been highlighted as particularly important modulators of DPSC function. This review sought to discuss various related signaling components involved in biomechanical cues and their respective roles in cellular and tissue responses in DPSCs, summarize current findings, and provide an outlook on the potential applications of biomechanics in regenerative medicine and tissue engineering.
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http://dx.doi.org/10.31083/j.fbl2810274 | DOI Listing |
Int J Biol Macromol
December 2024
School of Dentistry, National Taiwan University Medical College, Taipei, Taiwan; Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan; School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan. Electronic address:
Dental caries with invasion and infection by microorganisms may induce pulpitis and intolerable pain. L-Ala-γ-D-Glu-mDAP (TriDAP) is a DAP-comprising muramyl tripeptide and a peptidoglycan degradation product found in gram-negative pulpal pathogens. TriDAP activates nucleotide-binding oligomerization domain1/2 (NOD1/NOD2) and induces tissue inflammatory responses.
View Article and Find Full Text PDFJ Hum Evol
December 2024
Univ. Paris 1 Panthéon-Sorbonne, Univ. Paris Ouest Nanterre La Défense, MSH Mondes-CNRS-Ministère de la Culture, ArScAn, UMR 7041, 92000, Nanterre, France.
The Grotte du Bison, in Arcy-sur-Cure (Yonne, France), yielded a large assemblage of 49 Neandertal remains from late Mousterian layers, offering critical insights for the study of Middle to Upper Paleolithic populations of Western Europe. Previous studies described the external morphology of 13 isolated teeth and a partial maxilla. Building on this previous work, the current study provides further descriptions and analyses of the remains, including one postcranial fragment, six cranial fragments, two maxillary fragments, and 40 isolated teeth.
View Article and Find Full Text PDFStem Cells Transl Med
December 2024
Department of Orthodontics, Division of Craniofacial and Molecular Genetics, Tufts University School of Dental Medicine, Boston, MA 02111, United States.
The use of dental implants to replace lost or damaged teeth has become increasingly widespread due to their reported high survival and success rates. In reality, the long-term survival of dental implants remains a health concern, based on their short-term predicted survival of ~15 years, significant potential for jawbone resorption, and risk of peri-implantitis. The ability to create functional bioengineered teeth, composed of living tissues with properties similar to those of natural teeth, would be a significant improvement over currently used synthetic titanium implants.
View Article and Find Full Text PDFCurr Issues Mol Biol
December 2024
Department of Restorative Dental Sciences, College of Dentistry, King Saud University, Riyadh 11545, Saudi Arabia.
Dental caries is a highly prevalent chronic disease that leads to dental pulp inflammation. It is treated by removing the damaged tooth structure and applying a material that promotes resolution of pulpal inflammation. Tumor necrosis factor superfamily 14 (TNFSF14) is an immunomodulatory cytokine and a member of the TNF superfamily.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
Division of Endodontics, Columbia University College of Dental Medicine, New York, NY 10032, USA.
The dehydrated human amnion-chorion membranes (dHACMs) derived from the human placenta have emerged as a promising biomaterial for dental pulp regeneration owing to their unique biological and structural properties. The purpose of this review is to explore the potentials of dHACMs in dental pulp tissue engineering, focusing on their ability to promote cellular proliferation, differentiation, angiogenesis, and neurogenesis. dHACMs are rich in extracellular matrix proteins and growth factors such as TGF-β1, FGF2, and VEGF.
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