Traduction et analyse de mots par intelligence artificielle ChatGPT
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Qu'est-ce (qui) est Collagen - définition
![Three [[polypeptide]]s coil to form tropocollagen. Many tropocollagens then bind together to form a fibril, and many of these then form a fibre.](https://commons.wikimedia.org/wiki/Special:FilePath/Collagen biosynthesis (en).png?width=200 "Three [[polypeptide]]s coil to form tropocollagen. Many tropocollagens then bind together to form a fibril, and many of these then form a fibre.")
![Action of [[lysyl oxidase]]](https://commons.wikimedia.org/wiki/Special:FilePath/Tropocollagen cross-linkage lysyl oxidase (EN).svg?width=200 "Action of [[lysyl oxidase]]")
Wikipédia
Collagen () is the main structural protein in the extracellular matrix found in the body's various connective tissues. As the main component of connective tissue, it is the most abundant protein in mammals, making up from 25% to 35% of the whole-body protein content. Collagen consists of amino acids bound together to form a triple helix of elongated fibril known as a collagen helix. It is mostly found in connective tissue such as cartilage, bones, tendons, ligaments, and skin.
Depending upon the degree of mineralization, collagen tissues may be rigid (bone) or compliant (tendon) or have a gradient from rigid to compliant (cartilage). Collagen is also abundant in corneas, blood vessels, the gut, intervertebral discs, and the dentin in teeth. In muscle tissue, it serves as a major component of the endomysium. Collagen constitutes one to two percent of muscle tissue and accounts for 6% of the weight of the skeletal muscle tissue. The fibroblast is the most common cell that creates collagen. Gelatin, which is used in food and industry, is collagen that has been irreversibly hydrolyzed using heat, basic solutions or weak acids.
