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Unlike bone, cartilage regeneration remains elusive.


ABSTRACT: Articular cartilage was predicted to be one of the first tissues to successfully be regenerated, but this proved incorrect. In contrast, bone (but also vasculature and cardiac tissues) has seen numerous successful reparative approaches, despite consisting of multiple cell and tissue types and, thus, possessing more complex design requirements. Here, we use bone-regeneration successes to highlight cartilage-regeneration challenges: such as selecting appropriate cell sources and scaffolds, creating biomechanically suitable tissues, and integrating to native tissue. We also discuss technologies that can address the hurdles of engineering a tissue possessing mechanical properties that are unmatched in human-made materials and functioning in environments unfavorable to neotissue growth.

SUBMITTER: Huey DJ 

PROVIDER: S-EPMC4327988 | biostudies-literature | 2012 Nov

REPOSITORIES: biostudies-literature

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Unlike bone, cartilage regeneration remains elusive.

Huey Daniel J DJ   Hu Jerry C JC   Athanasiou Kyriacos A KA  

Science (New York, N.Y.) 20121101 6109


Articular cartilage was predicted to be one of the first tissues to successfully be regenerated, but this proved incorrect. In contrast, bone (but also vasculature and cardiac tissues) has seen numerous successful reparative approaches, despite consisting of multiple cell and tissue types and, thus, possessing more complex design requirements. Here, we use bone-regeneration successes to highlight cartilage-regeneration challenges: such as selecting appropriate cell sources and scaffolds, creatin  ...[more]

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