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Panminerva Medica 2005 March;47(1):53-60

Copyright © 2009 EDIZIONI MINERVA MEDICA

lingua: Inglese

Tissue engineering of skin substitutes

Bannasch H., Momeni A., Knam F., Stark G. B., Föhn M.

Department of Plastic and Hand Surgery, University of Freiburg Medical Center, Freiburg, Germany


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Cultivated epithelial autografts as multilayered thin sheets represent common standard in clinically applied tissue engineering substitutes, outnumbering all experimental alternatives. However, the unsatisfying short and long term results concerning mechanical stability and scarring demand for alternatives. Our group investigated cultivation and transplantation of cultured autologous keratinocytes as a single cell suspension in a fibrin sealant matrix in athymic mice in combination with allogenic skin grafting. We observed reliable wound reepithialization after a cultivation period of only 2 weeks. Additionally, we could allocate successful combination of a keratinocyte fibrin sealant suspension and acellular dermis in an attempt to regenerate full thickness skin defects in a pig animal model. The potential clinical implication of subconfluently cultured keratinocytes is enhanced by the possibility of co-transplantation with decellularized dermis.

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