Abstract
Hyaluronan (HA)-based microgels generated in a microfluidic approach, containing an artificial extracellular matrix composed of collagen and high-sulfated hyaluronan (sHA3), were incorporated into a HA/collagen-based hydrogel matrix. This significantly enhanced the retention of noncrosslinked sHA3 within the gels enabling controlled sHA3 presentation. Gels containing sHA3 bound higher amounts of transforming growth factor-β1 (TGF-β1) compared to pure HA/collagen hydrogels. Moreover, the presence of sHA3-containing microgels improved the TGF-β1 retention within the hydrogels. These findings are promising for developing innovative biomaterials with adjustable sHA3 release and growth factor interaction profiles to foster skin repair, e.g., by rebalancing dysregulated TGF-β1 levels.
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Acknowledgements
This work was financially supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) - Projektnummer 59307082 - TRR67 (subprojects A3, Z3). JT received financial support from the DFG (Research Training School GRK 1865, and TH2037/1) and JT thanks the Federal Ministry of Education and Research (BMBF, “Biotechnologie2020+Strukturvorhaben: Leibniz Research Cluster, 031A360C).
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Rother, S., Krönert, V., Hauck, N. et al. Hyaluronan/collagen hydrogel matrices containing high-sulfated hyaluronan microgels for regulating transforming growth factor-β1. J Mater Sci: Mater Med 30, 65 (2019). https://doi.org/10.1007/s10856-019-6267-1
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DOI: https://doi.org/10.1007/s10856-019-6267-1