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학술저널
저자정보
Coburn, Jeannine (Department of Biomedical Engineering, Johns Hopkins University) Gibson, Matt (Department of Biomedical Engineering, Johns Hopkins University) Bandalini, Pierre Alain (Ecole Polytechnique) Laird, Christopher (Department of Biomedical Engineering, Johns Hopkins University) Mao, Hai-Quan (Department of Materials Science and Engineering, Johns Hopkins University) Moroni, Lorenzo (Department of Biomedical Engineering, Johns Hopkins University) Seliktar, Dror (Faculty of Biomedical Engineering, Technion - Israel Institute of Technology) Elisseeff, Jennifer (Department of Biomedical Engineering, Johns Hopkins University)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제7권 제3호
발행연도
2011.1
수록면
213 - 222 (10page)

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The native extracellular matrix (ECM) consists of an integrated fibrous protein network and proteoglycan-based ground (hydrogel) substance. We designed a novel electrospinning technique to engineer a three dimensional fiber-hydrogel composite that mimics the native ECM structure, is injectable, and has practical macroscale dimensions for clinically relevant tissue defects. In a model system of articular cartilage tissue engineering, the fiber-hydrogel composites enhanced the biological response of adult stem cells, with dynamic mechanical stimulation resulting in near native levels of extracellular matrix. This technology platform was expanded through structural and biochemical modification of the fibers including hydrophilic fibers containing chondroitin sulfate, a significant component of endogenous tissues, and hydrophobic fibers containing ECM microparticles.

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