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Regeneration of Hyaline Cartilage Using a Mechanically-Tuned Chondrocyte-Seeded Biomimetic Tissue-Engineered 3D Scaffold: A Theoretical Approach

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DOI: 10.4236/abb.2014.57074    2,404 Downloads   3,298 Views Citations
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ABSTRACT

The limited ability of cartilage tissue to repair itself poses a functionally impairing health problem. While many treatment methods are available, full restoration of the tissue to its original state is rare. Often, complete joint replacement surgery is required to obtain long-term relief. Tissue engineering approaches, however, provide new opportunities for cartilage replacement. They seek to provide mechanisms to repair or replace lost tissue or function. A theoretical method is presented here for regenerating hyaline cartilage in vitro using a chondrocyte-seeded three-dimensional biomimetic engineered scaffold with mechanical properties similar to those occurring naturally. The scaffold composition, type II collagen, aggrecan, hyaluronan, hyaluronan binding protein (for link protein), and BMP-7, were chosen to encourage synthesis of hyaline cartilage by providing a more native environment and signaling cue for the seeded chondrocytes. The scaffold components mimic the macrofibrillar collagen network found in articular cartilage. Type II collagen provides tensile strength, and aggrecan, the predominant proteoglycan, provides compressive strength.

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Hicks, A. (2014) Regeneration of Hyaline Cartilage Using a Mechanically-Tuned Chondrocyte-Seeded Biomimetic Tissue-Engineered 3D Scaffold: A Theoretical Approach. Advances in Bioscience and Biotechnology, 5, 627-632. doi: 10.4236/abb.2014.57074.

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