5 years ago

The extracts of bredigite bioceramics enhanced the pluripotency of human dental pulp cellss

Lu Liu, Chengtie Wu, Jiang Chang, Ruiqi Yang, Lihong Chen, Xi Wei
Biomaterials have a profound effect on tissue engineering and regenerative medicine, but few studies have reported the role of extracts from bioceramics in the regulation of stem cell pluripotency. The present study investigated the effects of bioceramics extracts, including silicate bredigite (Ca7MgSi4O16) and conventional β-tricalcium phosphate (β-TCP), on the pluripotency and the multilineage differentiation potential of human dental pulp cells (hDPCs). Basic fibroblast growth factor (bFGF), which is a known regulator of hDPCs pluripotency, was used as a reference. Bredigite extracts significantly promoted cell growth, proliferation, TERT expression and maintained hDPCs in a presenescent state. The extracts of bredigite significantly up-regulated the expression of pluripotency-related genes such as Stro1, Oct4 and Sox2, and further promoted the multilineage differentiation of hDPCs after odontogenic/adipogenic induction. The stimulation of bredigite extracts on hDPCs pluripotency was comparable to that of bFGF, whereas β-TCP extracts lacked these properties. Our results suggested for the first time that bredigite extracts enhance the pluripotency of dental-derived stem cells, paving the way for extended applications in regenerative medicine. This article is protected by copyright. All rights reserved.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/jbm.a.36191

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