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Author Spotlight: Advancing Tissue Regeneration and Disease Modeling with Dental Pulp Stem Cells
Published on: May 5, 2023
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Dental pulp stem cells senescence and regenerative potential relationship
Iolanda Iezzi1, Giorgia Cerqueni1, Caterina Licini1,2
1Department of Clinical and Molecular Sciences-DISCLIMO, Università Politecnica delle Marche, Ancona, Italy.
Journal of Cellular Physiology
|October 27, 2018
Summary
Aging impacts dental pulp stem cells (DPSCs), reducing their regenerative potential for oral therapies. This study reveals age-related declines in DPSC proliferation and differentiation, crucial for treating pulpitis and periodontitis in older populations.
Area of Science:
- Oral regenerative medicine
- Stem cell biology
- Gerontology
Background:
- Treating pulpitis and periodontitis remains a clinical challenge.
- Regenerative approaches using dental stem cells offer promising solutions.
- Aging affects physiological functions, including cellular regenerative capacity.
Purpose of the Study:
- To investigate the impact of donor age on human dental pulp stem cells (DPSCs).
- To assess age-related changes in DPSC morphology, proliferation, and differentiation potential.
- To evaluate the feasibility of regenerative therapies for an aging population.
Main Methods:
- Human DPSCs were harvested from donors of varying ages.
- Analyses included flow cytometry, immunohistochemistry, qRT-PCR, and Western blot.
- In vitro differentiation assays assessed mesenchymal and neuronal phenotypes.
Main Results:
- DPSC proliferation and differentiation potential significantly declined with increasing age.
- Age-related differences were observed in osteogenic and odontogenic mineralization capabilities.
- Neurogenic differentiation capacity also decreased in older donor DPSCs.
Conclusions:
- Aging negatively affects the functional reserve of DPSCs.
- Age-related decline in DPSC potential necessitates tailored regenerative strategies.
- These findings support the development of personalized oral regenerative therapies for the elderly.
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