Background and Objectives: Dental pulp stem cells (DPSCs) possess significant regenerative potential; however, oxidative stress impairs their viability and osteogenic differentiation. Gingerol, the principal bioactive component of ginger, exhibits antioxidant and cytoprotective properties. This study evaluated the protective effects of gingerol on DPSCs exposed to H2O2-induced oxidative stress. Materials and Methods: DPSCs isolated from extracted human teeth following Institutional Review Board approval and informed consent were exposed to H2O2-induced oxidative stress and treated with varying concentrations of gingerol. Cell viability, migration, osteogenic activity, mineralization, intracellular ROS accumulation, and Wnt/β-catenin signaling-related gene expression were evaluated using MTT, scratch wound healing assay, Alizarin Red S staining, ROS staining, ELISA, and real-time PCR. Results: Gingerol improved DPSC viability, migration, and mineralization under oxidative stress conditions. Increased ALP and BSP expression indicated enhanced osteogenic activity, while reduced ROS accumulation suggested attenuation of oxidative injury. Gingerol also modulated MMP-2 and MMP-9 expression and normalized oxidative stress-associated alterations in inflammatory and Wnt/β-catenin signaling-related gene expression. Conclusions: Gingerol demonstrated protective effects against oxidative stress-induced dysfunction in DPSCs and supported osteogenic differentiation. These findings suggest that gingerol may serve as a supportive bioactive candidate for regenerative dental applications; however, further mechanistic and in vivo studies are required to confirm its therapeutic potential.
Alqarni et al. (Mon,) studied this question.
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