Molecular Mechanisms and Clinical Applications of Neural Regeneration Through Dental Pulp Stem Cells

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Neural injuries affecting both the central nervous system (CNS) and peripheral nervous system (PNS) pose a great clinical challenge due to the neural tissue's limited self-regenerative capacity. Human dental pulp stem cells (hDPSCs), derived from the neural crest and easily obtained from extracted teeth, exhibit considerable potential for neural regeneration. This potential is attributed to their ability to directly differentiate into various neuronal cell types, paracrine effects, and interactions with biomaterial scaffolds. In this review, we reviewed the molecular mechanisms by which hDPSCs support neural repair, highlighting their direct neuronal differentiation function, neuroprotection function via paracrine signaling, and recent innovations in biomaterial scaffolds that enhance the viability of hDPSCs for neuroregenerative applications. Preclinical studies have shown promising therapeutic effects of hDPSCs in spinal cord injuries (SCI), strokes, Parkinson's disease (PD), Alzheimer's disease (AD), and peripheral nerve injuries. However, challenges remain, including optimizing neuronal differentiation specificity, ensuring immunological safety, and achieving scalable clinical applications. Future research should focus on standardizing manufacturing protocols, implementing strict quality control, and developing functional assays linked to neural recovery to maximize the pot

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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