The idea of using chitosan as a functional delivery aid to support simultaneously PRP, stem cells and growth factors (GF) is associated with the intention to use morphogenic biomaterials to modulate the natural healing sequence in bone and other tissues. For example, chitosan–chondroitin sulfate loaded with platelet lysate was included in a poly(d,l-lactate) foam that was then seeded with human adiposederived stem cells and cultured in vitro under osteogenic stimulus: the platelet lysate provided to the bone tissue the most suitable assortment of GF which induces the osteogenic differentiation of the mesenchymal stem cells. PDGF, FGF, IGF and TGF- were protagonists in the repair of callus fractures. The release of GF from the composites of chitosan–PRP and either nano-hydroxyapatite or tricalcium phosphate was highly beneficial for enhancing MSC proliferation and differentiation, thus qualifying chitosan as an excellent vehicle. A number of biochemical characteristics of chitosan exert synergism with stem cells in the regeneration of soft tissue

Chitosan stabilizes platelet growth factors and modulates stem cell differentiation toward tissue regeneration / Busilacchi, Alberto; Gigante, ANTONIO POMPILIO; MATTIOLI BELMONTE CIMA, Monica; Manzotti, Sandra; Muzzarelli, Raa. - In: CARBOHYDRATE POLYMERS. - ISSN 0144-8617. - 98:(2013), pp. 665-676. [10.1016/j.carbpol.2013.06.044]

Chitosan stabilizes platelet growth factors and modulates stem cell differentiation toward tissue regeneration

BUSILACCHI, ALBERTO;GIGANTE, ANTONIO POMPILIO;MATTIOLI BELMONTE CIMA, Monica;MANZOTTI, SANDRA;
2013-01-01

Abstract

The idea of using chitosan as a functional delivery aid to support simultaneously PRP, stem cells and growth factors (GF) is associated with the intention to use morphogenic biomaterials to modulate the natural healing sequence in bone and other tissues. For example, chitosan–chondroitin sulfate loaded with platelet lysate was included in a poly(d,l-lactate) foam that was then seeded with human adiposederived stem cells and cultured in vitro under osteogenic stimulus: the platelet lysate provided to the bone tissue the most suitable assortment of GF which induces the osteogenic differentiation of the mesenchymal stem cells. PDGF, FGF, IGF and TGF- were protagonists in the repair of callus fractures. The release of GF from the composites of chitosan–PRP and either nano-hydroxyapatite or tricalcium phosphate was highly beneficial for enhancing MSC proliferation and differentiation, thus qualifying chitosan as an excellent vehicle. A number of biochemical characteristics of chitosan exert synergism with stem cells in the regeneration of soft tissue
2013
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/112556
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