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Submitted: 05 Nov 2019
Revision: 01 Feb 2020
Accepted: 02 Feb 2020
ePublished: 08 Apr 2020
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J Adv Periodontol Implant Dent. 2020;12(1): 25-30.
doi: 10.34172/japid.2020.001
  Abstract View: 192
  PDF Download: 100

Research Article

Gelatin-hydroxyapatite nano-fibers as promising scaffolds for guided tissue regeneration (GTR): Preparation, assessment of the physicochemical properties and the effect on mesenchymal stem cells

Simin Sharifi 1 ORCID logo, Mohammad Samiei 2,3 ORCID logo, Elaheh Dalir Abdolahinia 4 ORCID logo, Rovshan Khalilov 5,6,7 ORCID logo, Shahriar Shahi 1,2 ORCID logo, Solmaz Maleki Dizaj 1* ORCID logo

1 Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
2 Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
3 Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
4 Research Center of Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
5 Department of Biophysics and Molecular Biology, Baku State University, Baku, Azerbaijan
6 Institute of Radiation Problems, National Academy of Sciences of Azerbaijan, Baku, Azerbaijan
7 International Research and Education Center of Nanobiotechnology and Functional Nanosystems, Drohobych Ukraine & Baku, Azerbaijan

Abstract

Background. Periodontitis can lead to progressive destruction of periodontal tissues supporting the tooth. Developing biomaterials for tissue engineering has noticeably improved the existing treatment options. The present study investigated the gelatin-hydroxyapatite nano-fibers as promising scaffolds for guided tissue regeneration (GTR).

Methods. The scaffolds were prepared through electrospinning technique, and then the physicochemical properties and the cytotoxic effects on dental-derived mesenchymal stem cells were assessed.

Results. The nano-scaffolds were successfully prepared with a mono-dispersed nano-scale diameter (102±0.10 nm), negative surface charge (-20±0.17 mV), and uniform network-shaped morphology. The mesenchymal stem cells derived from the human dental pulp stem cells (hDPSC) with gelatin-hydroxyapatite nano-fibers showed that the prepared scaffolds had a significant proliferative effect. Besides, the applied method can be used to prepare fiber-based structures via other polymeric materials.

Conclusion. The incorporation of different materials to decrease the degradation rate of the fibers can match the speed of tissue regeneration. In this case, the prepared nano-fibers can be applied as a membrane biomaterial.

Keywords: Gelatin, GTR, Hydroxyapatite, Nano-scaffolds, Stem cell
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