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Tissue engineering is a field that has truly emerged in the last decade. It has brought together diverse technologies, e.g. cell culture, polymer chemistry and transplantation. The creation of matrices to guide tissue regeneration allows manipulation at several levels, i.e. the cells employed, the choice of polymer and the design of construct assembly methods. We present experience using such constructs to guide regeneration of diverse tissues, e.g. liver, intestine, urologic tissue, skin, cartilage, bone and cardiovascular structures. Emerging concepts in using cell/polymer constructs include the need for appropriate modeling of the micromechanical environments of different tissues, as well as the necessity of finding new strategies to achieve vascularization of tissues for transplant. Finally, the concept of applying tissue-engineered structures to non-native sites is discussed. |
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