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hyaluronidase |
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hyaluronidase [‚hī·ə·lu̇′rän·ə‚dās]
(biochemistry) Any one of a family of enzymes which catalyze the breakdown of hyaluronic acid. Also known as hyaluronate lyase; spreading factor. Hyaluronidase Any one of a family of enzymes, also known as hyaluronate lyases or spreading factors, produced by mammals, reptiles, insects, and bacteria, which catalyze the breakdown of hyaluronic acid. Some hyaluronidases also attack other similar polysaccharides. Since all liquefy the polysaccharide gel which fills the tissue spaces, they effectively accelerate diffusion so that injected, dissolved, or particulate matter (bacteria, viruses, toxins, or pigments) can diffuse through a larger volume of tissue. See Hyaluronic acid The biological importance of the enzyme depends upon its source. That found in the culture filtrates of many strains of virulent bacteria permits the microorganisms to gain access to a larger volume of the host's tissue and, hence, to additional nutriment. That found in the venom of certain snakes and bees permits the toxin to produce more extensive damage to the victim. See Enzyme Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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