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Bioinspir Biomim ; 7(4): 046007, 2012 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-22917962

RESUMEN

Mesenchymal stem cells have attracted great interest in the field of tissue engineering and regenerative medicine because of their multipotentiality and relative ease of isolation from adult tissues. The medical application of this cellular system requires the inclusion in a growth and delivery scaffold that is crucial for the clinical effectiveness of the therapy. In particular, the ideal scaffolding material should have the needed porosity and mechanical strength to allow a good integration with the surrounding tissues, but it should also assure high biocompatibility and full resorbability. For such a purpose, protein-inspired biomaterials and, in particular, elastomeric-derived polypeptides are playing a major role, in which they are expected to fulfil many of the biological and mechanical requirements. A specific chimeric protein, designed starting from elastin, resilin and collagen sequences, was characterized over different length scales. Single-molecule mechanics, aggregation properties and compatibility with human mesenchymal stem cells were tested, showing that the engineered compound is a good candidate as a stem cell scaffold to be used in tissue engineering applications.


Asunto(s)
Proteínas de la Matriz Extracelular/química , Proteínas de la Matriz Extracelular/metabolismo , Células Madre Mesenquimatosas/citología , Células Madre Mesenquimatosas/fisiología , Péptidos/síntesis química , Péptidos/metabolismo , Andamios del Tejido , Proliferación Celular , Supervivencia Celular/fisiología , Células Cultivadas , Proteínas de la Matriz Extracelular/genética , Humanos , Péptidos/genética , Ingeniería de Proteínas/métodos
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