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    Macromol Biosci. 2010 Nov 10;10(11):1330-7.

    Combined technologies for microfabricating elastomeric cardiac tissue engineering scaffolds.

    Guillemette MD, Park H, Hsiao JC, Jain SR, Larson BL, Langer R, Freed LE.

    Source

    Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.

    Abstract

    Polymer scaffolds that direct elongation and orientation of cultured cells can enable tissue engineered muscle to act as a mechanically functional unit. We combined micromolding and microablation technologies to create muscle tissue engineering scaffolds from the biodegradable elastomer poly(glycerol sebacate). These scaffolds exhibited well defined surface patterns and pores and robust elastomeric tensile mechanical properties. Cultured C2C12 muscle cells penetrated the pores to form spatially controlled engineered tissues. Scanning electron and confocal microscopy revealed muscle cell orientation in a preferential direction, parallel to micromolded gratings and long axes of microablated anisotropic pores, with significant individual and interactive effects of gratings and pore design.

    PMID:
    20718054
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3315382
    Free PMC Article

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