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TitleCell selective chitosan microparticles as injectable cell carriers for tissue regeneration
Author(s)Custódio, Catarina A.
Cerqueira, M. T.
Marques, A. P.
Reis, R. L.
Mano, J. F.
Keywordsantibody conjugation
cell isolation
chitosan microparticles
Cell separation
Antibody immobilization
Injectable materials
Functional materials
Issue date2015
CitationCustodio, C. A., Cerqueira, M. T., Marques, A. P., Reis, R. L., & Mano, J. F. (2015). Cell selective chitosan microparticles as injectable cell carriers for tissue regeneration. Biomaterials, 43, 23-31. doi: 10.1016/j.biomaterials.2014.11.047
Abstract(s)The detection, isolation and sorting of cells holds an important role in cell therapy and regenerative medicine. Also, injectable systems have been explored for tissue regeneration in vivo, because it allows repairing complex shaped tissue defects through minimally invasive surgical procedures. Here we report the development of chitosan microparticles with a size of 115.8 m m able to capture and expand a speci fi c cell type that can also be regarded as an injectable biomaterial. Monoclonal antibodies against cell surface antigens speci fi c to endothelial cells and stem cells were immobilized on the surface of the microparticles. Experimental results showed that particles bioconjugated with speci fi c antibodies pro- vide suitable surfaces to capture a target cell type and subsequent expansion of the captured cells. Primarily designed for an application in tissue engineering, three main challenges are accomplished with the herein presented microparticles: separation, scale-up expansion of speci fi c cell type and successful use as an injectable system to form small tissue constructs in situ.
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AccessRestricted access (UMinho)
Appears in Collections:3B’s - Artigos em revistas/Papers in scientific journals

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