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Erschienen in: Journal of Bone and Mineral Metabolism 3/2022

27.03.2022 | Original Article

Enamel matrix derivative expedites osteogenic differentiation of BMSCs via Wnt/β-catenin pathway in high glucose microenvironment

verfasst von: MaoHua Meng, Qian Xia, Ying Li, Xin Chen, QinYing Wang, JingQiao Chen, XingXing Xu, Huan Wang, JiaYu Shu, Jing Lu, Lu Cheng, ZhaoYang Ye, Bin Song, Qiang Dong

Erschienen in: Journal of Bone and Mineral Metabolism | Ausgabe 3/2022

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Abstract

Introduction

The influence of enamel matrix derivative (EMD) on proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) was explored in high glucose (HG) microenvironment with interaction of Wnt/β-catenin pathway.

Materials and Methods

Extraction of BMSCs from Sprague–Dawley rats, culture, and identification were manifested. The cells were treated with different concentration of EMD in HG to figure out the most available concentration for proliferation and osteogenic differentiation. Then, observation of cell growth curve and cell cycle changes, and detection of Osterix, runt-related transcription factor 2 (Runx2), COL-I, early osteogenic indexes, Calcium salt deposition, and β-catenin protein in Wnt/β-catenin pathway were assured. After adding Wnt/β-catenin pathway inhibitor (XAV-939) in the cells with osteogenesis induction, detection of binding of β-catenin to Osterix was clarified.

Results

Via identification BMSCs cultured in vitro was qualified. Different concentrations of EMD could accelerate cell proliferation in HG and osteogenesis induction, and 75 μg/mL EMD had the best effect. The HG augmented BMSCs proliferation and the propidium iodide index of flow cytometry cycle was elevated in HG, which were strengthened via the EMD. After BMSCs’ osteogenesis induction, Osterix, Runx2, CoL-1, early osteogenic indexes, and calcium salt deposition were reduced, but elevated via EMD. β-Catenin was the lowest in the HG, but elevated after EMD. After addition of XAV-939, reduction of β-catenin and the downstream (Osterix and Runx2) were manifested. Detection of binding protein bands was in β-catenin and Osterix of the HG after EMD treatment.

Conclusion

EMD may facilitate the osteogenic differentiation of BMSCs via activating the Wnt/β-catenin pathway in HG.
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Metadaten
Titel
Enamel matrix derivative expedites osteogenic differentiation of BMSCs via Wnt/β-catenin pathway in high glucose microenvironment
verfasst von
MaoHua Meng
Qian Xia
Ying Li
Xin Chen
QinYing Wang
JingQiao Chen
XingXing Xu
Huan Wang
JiaYu Shu
Jing Lu
Lu Cheng
ZhaoYang Ye
Bin Song
Qiang Dong
Publikationsdatum
27.03.2022
Verlag
Springer Nature Singapore
Erschienen in
Journal of Bone and Mineral Metabolism / Ausgabe 3/2022
Print ISSN: 0914-8779
Elektronische ISSN: 1435-5604
DOI
https://doi.org/10.1007/s00774-022-01318-6

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