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Bioactive Glass Ceramic Nanoparticles-Coated Poly(L-Lactic Acid) Scaffold Improved Osteogenic Differentiation of Adipose Stem Cells in Equine Publisher Pubmed



Mahdavi FS1 ; Salehi A1 ; Seyedjafari E2 ; Mohammadisangcheshmeh A1 ; Ardeshirylajimi A3
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Authors Affiliations
  1. 1. Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Pakdasht, Tehran, Iran
  2. 2. Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
  3. 3. Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Tissue and Cell Published:2017


Abstract

Horses with big bone fractures have low chance to live mainly due to the lake of a proper treatment strategy. We believe that further attempts in equine bone tissue engineering will probably be required to meet all the needs for the lesion therapies. Therefore in this study we aimed to investigate the osteogenic differentiation capacity of equine adipose-derived stem cells (e-ASCs) on nano-bioactive glass (nBGs) coated poly(L-lactic acid) (PLLA) nanofibers scaffold (nBG-PLLA). Using electrospinning technique, PLLA scaffold was prepared successfully and coated with nBGs. Fabricated nanofibers were characterized by MTT, SEM, and FTIR analyses, and then osteogenic differentiation potential of isolated e-ASCs was investigated by the most key osteogenic markers, namely Alizarin red-S, ALP, calcium content and bone related (RUNX2, Collagen I, Osteonectin, and ALP) gene markers. Our results indicated that nBGs was successfully coated on PLLA scaffold and this scaffold had no negative (p > 0.05) effect on cell growth rate as indicated by MTT assay. Moreover, e-ASCs that differentiated on nBGs-PLLA scaffold showed a higher (p < 0.05) ALP activity, more (p < 0.05) calcium content, and higher (p < 0.05) expression of bone-related genes than that on uncoated PLLA scaffold and TCPS. According to the results, a combination of bioceramics and biopolymeric nanofibers hold valuable promising potentials to use for bone tissue engineering application and regenerative medicine. © 2017 Elsevier Ltd
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