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Osteogenic differentiation of human mesenchymal stem cells on substituted calcium phosphate/chitosan composite scaffold. 2022

Antonia Ressler, and Maja Antunović, and Laura Teruel-Biosca, and Gloria Gallego Ferrer, and Slaven Babić, and Inga Urlić, and Marica Ivanković, and Hrvoje Ivanković
Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, p.p.177, 10 000 Zagreb, Croatia. Electronic address: aressler@fkit.hr.

Ionic substitutions are a promising strategy to enhance the biological performance of calcium phosphates (CaP) and composite materials for bone tissue engineering applications. However, systematic studies have not been performed on multi-substituted organic/inorganic scaffolds. In this work, highly porous composite scaffolds based on CaPs substituted with Sr2+, Mg2+, Zn2+ and SeO32- ions, and chitosan have been prepared by freeze-gelation technique. The scaffolds have shown highly porous structure, with very well interconnected pores and homogeneously dispersed CaPs, and high stability during 28 days in the degradation medium. Osteogenic potential of human mesenchymal stem cells seeded on scaffolds has been determined by histological, immunohistochemical and RT-qPCR analysis of cultured cells in static and dynamic conditions. Results indicated that ionic substitutions have a beneficial effect on cells and tissues. The scaffolds with multi-substituted CaPs have shown increased expression of osteogenesis related markers and increased phosphate deposits, compared to the scaffolds with non-substituted CaPs.

UI MeSH Term Description Entries
D010012 Osteogenesis The process of bone formation. Histogenesis of bone including ossification. Bone Formation,Ossification, Physiologic,Endochondral Ossification,Ossification,Ossification, Physiological,Osteoclastogenesis,Physiologic Ossification,Endochondral Ossifications,Ossification, Endochondral,Ossifications,Ossifications, Endochondral,Osteoclastogeneses,Physiological Ossification
D002130 Calcium Phosphates Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements. Phosphates, Calcium
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D048271 Chitosan Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS. Poliglusam
D054457 Tissue Scaffolds Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed solid support matrices for cell attachment in TISSUE ENGINEERING and GUIDED TISSUE REGENERATION uses. Tissue Scaffolding,Scaffold, Tissue,Scaffolding, Tissue,Scaffoldings, Tissue,Scaffolds, Tissue,Tissue Scaffold,Tissue Scaffoldings
D059630 Mesenchymal Stem Cells Mesenchymal stem cells, also referred to as multipotent stromal cells or mesenchymal stromal cells are multipotent, non-hematopoietic adult stem cells that are present in multiple tissues, including BONE MARROW; ADIPOSE TISSUE; and WHARTON JELLY. Mesenchymal stem cells can differentiate into mesodermal lineages, such as adipocytic, osteocytic and chondrocytic. Adipose Tissue-Derived Mesenchymal Stem Cell,Adipose Tissue-Derived Mesenchymal Stromal Cell,Adipose-Derived Mesenchymal Stem Cell,Bone Marrow Mesenchymal Stem Cell,Mesenchymal Stromal Cell,Mesenchymal Stromal Cells,Multipotent Bone Marrow Stromal Cell,Multipotent Mesenchymal Stromal Cell,Adipose Tissue-Derived Mesenchymal Stem Cells,Adipose Tissue-Derived Mesenchymal Stromal Cells,Adipose-Derived Mesenchymal Stem Cells,Adipose-Derived Mesenchymal Stromal Cells,Bone Marrow Mesenchymal Stem Cells,Bone Marrow Stromal Cell,Bone Marrow Stromal Cells,Bone Marrow Stromal Cells, Multipotent,Bone Marrow Stromal Stem Cells,Mesenchymal Progenitor Cell,Mesenchymal Progenitor Cells,Mesenchymal Stem Cell,Mesenchymal Stem Cells, Adipose-Derived,Mesenchymal Stromal Cells, Multipotent,Multipotent Bone Marrow Stromal Cells,Multipotent Mesenchymal Stromal Cells,Stem Cells, Mesenchymal,Wharton Jelly Cells,Wharton's Jelly Cells,Adipose Derived Mesenchymal Stem Cell,Adipose Derived Mesenchymal Stem Cells,Adipose Derived Mesenchymal Stromal Cells,Adipose Tissue Derived Mesenchymal Stem Cell,Adipose Tissue Derived Mesenchymal Stem Cells,Adipose Tissue Derived Mesenchymal Stromal Cell,Adipose Tissue Derived Mesenchymal Stromal Cells,Mesenchymal Stem Cells, Adipose Derived,Progenitor Cell, Mesenchymal,Progenitor Cells, Mesenchymal,Stem Cell, Mesenchymal,Stromal Cell, Mesenchymal,Stromal Cells, Mesenchymal,Wharton's Jelly Cell,Whartons Jelly Cells
D023822 Tissue Engineering Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired organs. The use of TISSUE SCAFFOLDING enables the generation of complex multi-layered tissues and tissue structures. Engineering, Tissue

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