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Phbv Nanofibers Promotes Insulin-Producing Cells Differentiation of Human Induced Pluripotent Stem Cells Publisher Pubmed



Abazari MF1 ; Zare Karizi S2 ; Hajatibirgani N3 ; Norouzi S3 ; Khazeni Z2 ; Hashemi J4 ; Shafaghi L5 ; Soleimanifar F6 ; Mansour RN7 ; Enderami SE8
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Authors Affiliations
  1. 1. Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Biology, Varamin Pishva Branch, Islamic Azad University, Pishva, Varamin, Iran
  3. 3. Department of Biology, Faculty of Science and Reseach, Islamic Azad University, Tehran, Iran
  4. 4. Department of Pathobiology and laboratory Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
  5. 5. Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Medical Biotechnology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
  7. 7. Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
  8. 8. Immunogenetics Research Center, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran

Source: Gene Published:2021


Abstract

Tissue-engineering associated techniques have long been employed to improve the various elements of the therapeutic approaches toward the more efficient ones in diabetic states. The resultant constructs comprise of the polymeric scaffolds with proper degradation rates that produce bodily compatible components, and the pluripotent cells that are highly capable of generating islet-like cells. In this study, Poly-(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) nanofibers were fabricated by the Electrospinning. After validation of its 3-D structure, fibers size and non-toxicity, insulin-producing cells (IPC) differentiation potential of the induced pluripotent stem cells (iPSCs) were evaluated during growing on the PHBV nanofibers in comparison with tissue culture polystyrene (TCPS). SEM analyses confirmed the 3-D and nanofibrous structure of the fabricated scaffold. The survival rate of the iPSCs cultured on the PHBV nanofibers was increased significantly compared to the cells cultured on the TCPS, which is an evidence for the non-toxicity of the nanofibers. Insulin and C-peptide secretion levels significantly increased in the differentiated iPSCs on PHBV nanofibers compared to those cells cultured on TCPS. Moreover, levels of the gene transcription and translation results revealed that insulin, Glut-2, and Pdx-1 genes and insulin protein, in IPC-differentiated iPSCs grown on PHBV nanofibers are significantly higher than those cells grown on TCPS. Taken together, these results go beyond previous reports, showing that iPSCs-PHBV as a promising cell-copolymer construct, could potentially be applied in the pancreatic tissue engineering applications to diabetic patient treatment. © 2020 Elsevier B.V.
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