Macroporous Cell-Laden Gelatin/Hyaluronic Acid/Chondroitin Sulfate Cryogels for Engineered Tissue Constructs
Kudaibergen G. Zhunussova M. Mun E.A. Ramankulov Y. Ogay V.
September 2022MDPI
Gels
2022#8Issue 9
Cryogels are a unique macroporous material for tissue engineering. In this work, we study the effect of hyaluronic acid on the physicochemical properties of cryogel as well as on the proliferation of a 3D model of mesenchymal stem cells. The functional groups of the synthesized cryogels were identified using Fourier transform infrared spectroscopy. With an increase in the content of hyaluronic acid in the composition of the cryogel, an increase in porosity, gel content and swelling behavior was observed. As the hyaluronic acid content increased, the average pore size increased and more open pores were formed. Degradation studies have shown that all cryogels were resistant to PBS solution for 8 weeks. Cytotoxicity assays demonstrated no toxic effect on viability of rat adipose-derived mesenchymal stem cells (ADMSCs) cultured on cryogels. ADMSC spheroids were proliferated on scaffolds and showed the ability of the cryogels to orient cell differentiation into chondrogenic lineage even in the absence of inductive agents. Thus, our results demonstrate an effective resemblance to extracellular matrix structures specific to cartilage-like microenvironments by cryogels and their further perspective application as potential biomaterials.
chondroitin sulfate , cryogels , gelatin , hyaluronic acid , mesenchymal stem cells
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Stem Cell Laboratory, National Center for Biotechnology, Nur-Sultan, 010000, Kazakhstan
School of Science and Humanities, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Stem Cell Laboratory
School of Science and Humanities
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