glycosaminoglycan

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glycosaminoglycan

 [gli″kōs-ah-me″no-gli´kan]
any of the carbohydrates containing amino sugars occurring in proteoglycans, e.g., hyaluronic acid or chondroitin sulfate.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mu·co·pol·y·sac·cha·ride

(myū'kō-pol'ē-sak'ă-rīd),
General term for a protein-polysaccharide complex obtained from proteoglycans and containing as much as 95% polysaccharide; mucopolysaccharides include the blood group substances. A more modern term is glycosaminoglycan, because all of the known six classes contain major amounts of d-glucosamine and d-galactosamine.
Farlex Partner Medical Dictionary © Farlex 2012

glycosaminoglycan

(glī′kōs-ə-mē′nō-glī′kăn)
n. Abbr. GAG
Any of a group of unbranched polysaccharides with high molecular weight that contain amino sugars and often are attached to or form complexes with proteins. Also called mucopolysaccharide.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

glycosaminoglycan

A complex macromolecule considered to be the 'glue' of the cornea. It is responsible for providing the plasticity and structural support needed for successful corneal function. Along with other molecules, it comprises the solid portion of the cornea (,22%, the remainder being water). The distribution and arrangement of glycosaminoglycans are responsible for corneal transparency and thickness.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

Patient discussion about glycosaminoglycan

Q. Does GAG really help? My mother suffers from osteoarthritis, and after taking a lot of pain-killers someone offered us to try glycosaminoglycans. Does it really help? It’s quite expensive….

A. As far as I know it wasn’t proved in well-controlled trials to benefit the patients over placebo, so if it’s a consideration for you, I’m not sure it justifies the price. However, I’m only a lay-man, so consulting a professional (i.e. a doctor) is better.

More discussions about glycosaminoglycan
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