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Polyurethane and Polyurethane/Hydroxyapatite Scaffold in a Three-Dimensional Culture System Publisher Pubmed



Ghasroldasht MM1 ; Mastrogiacomo M2 ; Akbarian F3 ; Rezaeian A4
Authors
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Authors Affiliations
  1. 1. AriaGene Medical Genetic Laboratory, Isfahan, Iran
  2. 2. Department of Internal Medicine, University of Genova, Genova, Italy
  3. 3. Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran

Source: Cell Biology International Published:2022


Abstract

Designing a new scaffold with an optimal ability of osteogenesis differentiation is a significant step bone tissue engineering along with the growing demands for bone craft in recent decades. Herein, we used Polyurethane (PU), a novel biocompatible and flexible polymer, and Hydroxyapatite (HA), the major component of human hard tissues matrix for developing new scaffolds and analyzing the in vitro osteogenic differentiation potential of human adipose-derived mesenchymal stem cells (Ad-MSCs) in basal and induction media. Gene expression analysis was performed to evaluate the expression level of four osteogenic differentiation genes. MTT assays were also done to assess the attachment and proliferation of the cells after 7 and 21 days of seeding to scaffolds. The expression level of RUNX2 was increased in seeded cells on PU/HA scaffolds compared with the PU. Cellular adhesion and proliferation of the Ad-MSCs were higher in PU/HA than PU scaffolds according to the histology analysis. The PU and PU/HA scaffolds supported the attachment, proliferation, and differentiation of Ad-MSCs, and they are suitable candidates for producing constructs in bone regeneration. However, further in-vitro and in-vivo studies on these scaffolds are needed to introduce an appropriate candidate for clinical bone regeneration. © 2022 International Federation of Cell Biology.
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