Abstract:
:Zinc is an essential trace element that plays an important role in differentiation of osteoblasts and bone modeling. This in vitro study aimed to evaluate the osteoblast differentiation of human dental pulp stem cells (DPSCs) on zinc-modified titanium (Zn-Ti) that releases zinc ions from its surface. Based on real-time PCR, alkaline phosphatase (ALP) activity and Western blot analysis data, we investigated osteoblast differentiation of DPSCs cultured on Zn-Ti and controls. DPSCs cultured on Zn-Ti exhibited significantly up-regulated gene expression levels of osteoblast-related genes of type I collagen (Col I), bone morphogenetic protein 2 (BMP2), ALP, runt-related transcription factor 2 (Runx2), osteopontin (OPN), and vascular endothelial growth factor A (VEGF A), as compared with controls. We also investigated extracellular matrix (ECM) mineralization by Alizarin Red S (ARS) staining and found that Zn-Ti significantly promoted ECM mineralization when compared with controls. These findings suggest that the combination of Zn-Ti and DPSCs provides a novel approach for bone regeneration therapy.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Yusa K,Yamamoto O,Takano H,Fukuda M,Iino Mdoi
10.1038/srep29462subject
Has Abstractpub_date
2016-07-08 00:00:00pages
29462issn
2045-2322pii
srep29462journal_volume
6pub_type
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