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Development of an Electrospun Scaffold for Retinal Tissue Engineering

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Abstract

Delivery of retinal progenitor cells (RPCs) for restoring injured or diseased retinal tissue using biodegradable scaffolds is a promising treatment for retinal diseases. Blend of three polymers; poly(ε-caprolactone) (PCL), poly(glycerol sebacate) (PGS), and poly(1,8-octanediol-co-citrate) (POC) was used to prepare a nanofibrous scaffold for retinal tissue engineering via electrospinning process. The PGS and POC were firstly synthesized through condensation polymerization. The combinations of PCL, PGS, and POC were then electrospun and optimized to prepare the nanofibrous scaffolds. Subsequently, hydrophilicity, degradability, and biocompatibility of the prepared scaffolds were evaluated. Morphological studies of the scaffolds showed nanofibers without any sings of beads. Tensile evaluations of the scaffolds confirmed that the prepared scaffolds could meet mechanical property requirements for retinal application. The incorporation of POC increased the hydrophilicity and degradation rate of the scaffolds. Also, in-vitro cell behavior assays revealed that human retinal pigment epithelium cells proliferated faster when the POC was added to the scaffold structure. The results suggest that the PGS/POC/PCL scaffold has the potential for retinal tissue engineering (TE) applications.

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Authors and Affiliations

  1. Department of Chemical Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran

    Fatemeh Jafari, Saied Nouri Khorasani & Shahla Khalili

  2. Department of Textile Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran

    Farzaneh Alihosseini & Dariush Semnani

  3. Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, 9617976487, Sabzevar, Iran

    Rasoul Esmaeely Neisiany

Authors
  1. Fatemeh Jafari
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  2. Saied Nouri Khorasani
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  3. Farzaneh Alihosseini
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  4. Dariush Semnani
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  5. Shahla Khalili
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  6. Rasoul Esmaeely Neisiany
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Correspondence to Saied Nouri Khorasani.

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Fatemeh Jafari, Khorasani, S.N., Alihosseini, F. et al. Development of an Electrospun Scaffold for Retinal Tissue Engineering. Polym. Sci. Ser. B 62, 290–298 (2020). https://doi.org/10.1134/S1560090420030069

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  • DOI: https://doi.org/10.1134/S1560090420030069

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