2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside-stimulated Dental Pulp Stem Cells-derived Exosomes for Wound Healing and Bone Regeneration

Overview

Journal J Dent Sci

Date 2025 Jan 28

PMID 39873051

Authors

Tzu-Yu Lin

Tung-Yung Huang

Hsien-Chung Chiu

Yao-Yu Chung

Wei-Chun Lin

Hung-Yun Lin

Sheng-Yang Lee

Affiliations

Soon will be listed here.

Abstract

Background/purpose: -2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside (THSG) is a bioactive component in the Chinese herb Polygonum multiflorum, recognized for its anti-inflammatory and lipid-lowering properties. Human dental pulp stem cells (hDPSCs) have excellent capabilities in tooth regeneration, wound healing, and neural repair. The exosomes (Exo) released by hDPSCs contain bioactive molecules that influence cell proliferation, differentiation, and immune responses. Therefore, we aimed to unveil the potential of THSG-Exo and evaluate its regenerative capabilities through the experiment and rat bone defect model.

Materials And Methods: The effects of hDPSC-derived exosomes, with or without THSG treatment, on repair and bone regeneration were evaluated through and studies. Finally, we conducted a proteomic analysis to meticulously compare the compositional contents of the two types of exosomes.

Results: data showed that 10 and 100 μM THSG-Exo enhanced cell proliferation and osteogenic differentiation, reducing wound size to 40 % of its original size. In our maxillary bone defect rat model, THSG-Exo significantly increased bone volume, trabecular thickness, and bone density in the bone defect area. In addition, proteomic analysis of THSG-Exo revealed diverse proteins linked to bone differentiation and tissue repair, including bone morphogenetic protein-1 (BMP-1) and tumor necrosis factor (TNF)-α-stimulated gene 6 (TNFAIP6). Our searches in functional databases revealed that THSG-Exo is involved in numerous biological pathways.

Conclusion: THSG-Exo enhanced cell proliferation, wound healing, and osteogenesis , while also expediting tissue repair and bone regeneration . The protein diversity of THSG-Exo contributes significant value in both basic and regenerative medicine.

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