Collagen is one of the most important structural proteins in vertebrate animals. Over 25 different types of collagen have been identified, but type I collagen is the most abundant fibril forming collagen and contributes to the structural performance numerous connective tissues including ligaments, tendons and cornea . In addition to collagen self-assembly, collagen degradation is an important step in the development, remodeling, homeostasis and pathology of load-bearing ECM. Matrix Metalloproteinase (MMP) types I and VIII, bacterial collagenase and cathepsin are the best known enzymes capable of directly degrading the collagen triple helix [2, 3]. Several researchers have hypothesized that straining collagen fibrils makes them less susceptible to enzymatic degradation [4, 5]. This concept, which we refer to as “strain-stabilization” has important implications for our understanding of collagen as an engineering material.
- Bioengineering Division
Influence of Mechanical Load on the Degradation of Corneal Collagen
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Zareian, R, Church, KP, & Ruberti, JW. "Influence of Mechanical Load on the Degradation of Corneal Collagen." Proceedings of the ASME 2008 Summer Bioengineering Conference. ASME 2008 Summer Bioengineering Conference, Parts A and B. Marco Island, Florida, USA. June 25–29, 2008. pp. 587-588. ASME. https://doi.org/10.1115/SBC2008-193036
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