The organization and function of proteoglycans have been extensively studied in articular cartilage. Proteoglycans are widely dispersed throughout articular cartilage [1] and resist compressive as well as shear loads through high hydrostatic pressures, low fluid permeability and stiffening of the collagen network [2]. Few studies have investigated the organization and function of proteoglycans in meniscal fibrocartilage. Previous studies have shown PG degradation leads to decreased meniscal fibrocartilage mechanics [3,4]. In contrast to articular cartilage, meniscal fibrocartilage PGs are concentrated around circumferential collagen fibers [2]. To better understand the role of proteoglycans in meniscal fibrocartilage, the proteoglycan interactions within the tissue can be manipulated without extracellular matrix degradation. The goal of this study was to compare the effects of osmotic swelling stress on articular cartilage and meniscal fibrocartilage mechanics by varying osmotic strength and tissue compressive offset.
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ASME 2009 Summer Bioengineering Conference
June 17–21, 2009
Lake Tahoe, California, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4891-3
PROCEEDINGS PAPER
Articular Cartilage and Meniscal Fibrocartilage Mechanics: Evidence for Differences in Ultrastructure and Function of Proteoglycans
An M. Nguyen,
An M. Nguyen
Stanford University, Stanford, CA
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Marc E. Levenston
Marc E. Levenston
Stanford University, Stanford, CA
Search for other works by this author on:
An M. Nguyen
Stanford University, Stanford, CA
Marc E. Levenston
Stanford University, Stanford, CA
Paper No:
SBC2009-204457, pp. 927-928; 2 pages
Published Online:
July 19, 2013
Citation
Nguyen, AM, & Levenston, ME. "Articular Cartilage and Meniscal Fibrocartilage Mechanics: Evidence for Differences in Ultrastructure and Function of Proteoglycans." Proceedings of the ASME 2009 Summer Bioengineering Conference. ASME 2009 Summer Bioengineering Conference, Parts A and B. Lake Tahoe, California, USA. June 17–21, 2009. pp. 927-928. ASME. https://doi.org/10.1115/SBC2009-204457
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