Journal
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 29, Issue 5, Pages 3568-3576Publisher
ELSEVIER
DOI: 10.1016/j.sjbs.2022.02.039
Keywords
Gingival mesenchymal stem cell; Hypoxia; Neurotrophic factors; Normoxia
Categories
Funding
- Taif University Researchers Supporting Program [TURSP-2020/151]
- Taif University, Saudi Arabia
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Gingival mesenchymal stem cells (GMSCs) have significant regenerative potential. Preconditioning them with hypoxia can enhance the secretion of neurotrophic factors, leading to neuronal lineage differentiation.
Gingival mesenchymal stem cells (GMSCs) have significant regenerative potential. Their potential applications range from the treatment of inflammatory diseases, wound healing, and oral disorders. Preconditioning these stem cells can optimize their biological properties. Hypoxia preconditioning of MSCs improves stem cell properties like proliferation, survival, and differentiation potential. This research explored the possible impact of hypoxia on the pluripotent stem cell properties that GMSCs possess. We evaluated the morphology, stemness, neurotrophic factors, and stemness-related genes. We compared the protein levels of secreted neurotrophic factors between normoxic and hypoxic GMSCconditioned media (GMSC-CM). Results revealed that hypoxic cultured GMSC's had augmented expression of neurotrophic factors BDNF, GDNF, VEGF, and IGF1 and stemness-related gene NANOG. Hypoxic GMSCs showed decreased expression of the OCT4 gene. In hypoxic GMSC-CM, the neurotrophic factors secretions were significantly higher than normoxic GMSC-CM. Our data demonstrate that culturing of GMSCs in hypoxia enhances the secretion of neurotrophic factors that can lead to neuronal lineage differentiation. (c) 2022 The Author(s). Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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