Abstract
Microbial exopolysaccharides (EPSs) are mostly produced by bacteria and fungi and have potential use in the production of biomedical products such as nutraceuticals and in tissue engineering applications. The present study investigated the in vitro biological activities and in vivo wound healing effects of EPSs produced from a Sclerotium-forming fungus (Sclerotium glucanicum DSM 2159) and a yeast (Rhodosporidium babjevae), denoted as scleroglucan (Scl) and EPS-R, respectively. EPS yields of 0.9 ± 0.07 g/L and 1.11 ± 0.4 g/L were obtained from S. glucanicum and R. babjevae, respectively. The physicochemical properties of the EPSs were characterized using infrared spectroscopy and scanning electron microscopy. Further investigations of the biological properties showed that both EPSs were cytocompatible toward the human fibroblast cell line and demonstrated hemocompatibility. Favorable wound healing capacities of the EPSs (10 mg/mL) were also established via in vivo tests. The present study therefore showed that the EPSs produced by S. glucanicum and R. babjevae have the potential use as biocompatible components for the promotion of dermal wound healing.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
M.H would like to acknowledge the postdoctoral fellowship provided by the European Program IF@ULB-MARIE SKŁODOWSKA-CURIE Cofund Action (European Horizon 2020). This project has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement No. 801505. The graphical abstract was prepared using Biorender.com. Also, we must thank Dr. Mahta Mirzaei for her kind help in cell viability assays. The CARAMAT platform at the ULB also received acknowledgement from the authors for its help with SEM investigation.
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This project has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement No. 801505.
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MH: conceptualization, methodology, formal analysis, investigation, validation, writing-original draft, writing-review & editing. OVO: writing-original draft, writing-review & editing. KR: investigation, writing-review & editing. MSS: investigation, writing-review & editing. RMS: investigation, writing-review & editing. HS: investigation, supervision, validation, writing-review & editing. AS: resources, supervision, writing-review & editing, project administration.
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Hamidi, M., Okoro, O.V., Rashidi, K. et al. Evaluation of two fungal exopolysaccharides as potential biomaterials for wound healing applications. World J Microbiol Biotechnol 39, 49 (2023). https://doi.org/10.1007/s11274-022-03459-2
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DOI: https://doi.org/10.1007/s11274-022-03459-2