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Wednesday, February 5, 2014

Cross Linkimg Theory

Abstract The crosslinking theory of aging has been gaining acceptance at a plastered pace, as evidenced by many strong-minded rediscoveries. while several earlier studies were indicative, none seemed conclusive until it was shown, victimization differential gear Scanning Calorimetry (DSC), that protein from young human nouss could be made to approximately resemble protein from old brains by exposing it to every of two alone different crosslinking agents (glutaraldehyde and dipotassium diperoxy sulfate). This work has forthwith been restate with additional brain material, and a statistically more remarkable number of determinations. It is now shown that a treatment of brain protein with both one or two chemically totally different compounds which have no property in common take away that both be crosslinkers, changes young brain protein so that it greatly resembles old, crosslinked protein. This shows that crosslinking reactions are affect in the age related changes in the studied proteins. developmental aging and cross-linking were first proposed in 1942 by Johan Bjorksten. He apply this theory to aging diseases such as sclerosis, a declining tolerant system and the most obvious pattern of cross-linking, loss of breeze in the spit out. Collagen is one of the most common proteins found in the skin, tendons, ligaments, bone and cartilage. Collagen protein can be compared to the legs of a ladder with precise some rungs. Each protein is committed to its neighbors by other rungs forming a cross-link. In young pack there are few cross-links and the ladders are free to take up up and down. The collagen stays flossy and pliable. With age however the number of cross-links increases, causing the skin to creep and become little napped and pliable. It is thought that these cross-links increases, causing the skin to shrink and become less soft and pliable. It is thought that these cross-links obtain to obstruct the passage of nutrients and ho ok between cells. Cross-linking also appears! to turn over when older...If you want to set out a full essay, order it on our website: OrderCustomPaper.com

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