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<p>Hydroxyapatite nanoparticle (HANPs) utilization has recently been notable in bone tissue engineering. This surge owes itself to the biocompatibility of HANPs and their striking resemblance to the minerals found in natural bone. Furthermore, dental pulp-derived stem cells (DPSCs) have garnered attention due to their remarkable differentiation potential into multilineages, thus positioning them as a pivotal cell reservoir for regenerative medicine. This study aims to investigate the impact of HANPs on DPSCs cellular processes. The HANPs have been synthesized using the wet chemical precipitation method followed by freeze-drying and characterization using dynamic light scattering (DLS) and transmission electron microscopy (TEM). The size of HANPs was reported to be in the range of 55–67 nm. Our dataset divulges that DPSCs can endure concentrations of HANPs up to ≤ 0.81 mg/mL without incurring any conspicuous alterations in their morphology or the pace of proliferation. Furthermore, the self-renewal potency of HANPs was upheld at concentrations ≤ 0.20 mg/mL. Flow cytometric analysis affirms a significant divergence in cell distribution across all cell cycle phases in DPSCs treated with 0.81 mg/mL HANPs. Intriguingly, no variance surfaced in the migratory capacity of DPSCs exposed to HANPs of ≤ 0.40 mg/mL. For osteogenic differentiation, HANPs at concentrations of ≤ 0.40 mg/mL demonstrated the aptitude to incite osteogenic differentiation within DPSCs, facilitating the formation of calcium deposits. In conclusion, combining HANPs and DPSCs shows promise for restoring damaged hard tissues, like bone and teeth, and enhancing regenerative therapies.</p>

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Impact of hydroxyapatite nanoparticles on the cellular processes of stem cells derived from dental tissue sources

  • 期刊论文

  • 发表日期：

    2025年3月18日

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  • Mais Emad,
  • Mohammad Alnatour,
  • Walhan Alshaer,
  • Jennifer L. Gibbs,
  • Benoît Michot,
  • Dana Alqudah,
  • Alaa A. A. Aljabali,
  • Mairvat Al-mrahleh,
  • Abdolelah Jaradat,
  • Duaa Abuarqoub

摘要

Hydroxyapatite nanoparticle (HANPs) utilization has recently been notable in bone tissue engineering. This surge owes itself to the biocompatibility of HANPs and their striking resemblance to the minerals found in natural bone. Furthermore, dental pulp-derived stem cells (DPSCs) have garnered attention due to their remarkable differentiation potential into multilineages, thus positioning them as a pivotal cell reservoir for regenerative medicine. This study aims to investigate the impact of HANPs on DPSCs cellular processes. The HANPs have been synthesized using the wet chemical precipitation method followed by freeze-drying and characterization using dynamic light scattering (DLS) and transmission electron microscopy (TEM). The size of HANPs was reported to be in the range of 55–67 nm. Our dataset divulges that DPSCs can endure concentrations of HANPs up to ≤ 0.81 mg/mL without incurring any conspicuous alterations in their morphology or the pace of proliferation. Furthermore, the self-renewal potency of HANPs was upheld at concentrations ≤ 0.20 mg/mL. Flow cytometric analysis affirms a significant divergence in cell distribution across all cell cycle phases in DPSCs treated with 0.81 mg/mL HANPs. Intriguingly, no variance surfaced in the migratory capacity of DPSCs exposed to HANPs of ≤ 0.40 mg/mL. For osteogenic differentiation, HANPs at concentrations of ≤ 0.40 mg/mL demonstrated the aptitude to incite osteogenic differentiation within DPSCs, facilitating the formation of calcium deposits. In conclusion, combining HANPs and DPSCs shows promise for restoring damaged hard tissues, like bone and teeth, and enhancing regenerative therapies.