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Osteogenic Differentiation of Stem Cells From Human Exfoliated Deciduous Teeth on poly(ε-caprolactone) Nanofibers Containing Strontium Phosphate

Osteogenic Differentiation of Stem Cells From Human Exfoliated Deciduous Teeth on poly(ε-caprolactone) Nanofibers Containing Strontium Phosphate

Wen-Ta Su, Pai-Shuen Wu, Te-Yang Huang

Mater Sci Eng C Mater Biol Appl. 2015 Jan;46:427-34.

PMID: 25492007

Abstract:

Mimicking the architecture of the extracellular matrix is an effective strategy for tissue engineering. Composite nanofibers similar to natural bone structure can be prepared via an electrospinning technique and used in biomedical applications. Stem cells from human exfoliated deciduous teeth (SHEDs) can differentiate into multiple cell lineages, such as cells that are alternative sources of stem cells for tissue engineering. Strontium has important functions in bone remodeling; for example, this element can simulate bone formation and decrease bone resorption. Incorporating strontium phosphate into nanofibers provides a potential material for bone tissue engineering. This study investigated the potential of poly(ε-caprolactone) (PCL) nanofibers coated or blended with strontium phosphate for the osteogenic differentiation of SHEDs. Cellular morphology and MTT assay revealed that nanofibers effectively support cellular attachment, spreading, and proliferation. Strontium-loaded PCL nanofibers exhibited higher expressions of collagen type I, alkaline phosphatase, biomineralization, and bone-related genes than pure PCL nanofibers during the osteogenic differentiation of SHEDs. This study demonstrated that strontium can be an effective inducer of osteogenesis for SHEDs. Understanding the function of bioceramics (such as strontium) is useful in designing and developing strategies for bone tissue engineering.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7446288	Strontium phosphate		7446-28-8	Price

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