https://wikimd.org/index.php?action=history&feed=atom&title=Cystine 2026-04-26T18:18:56Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Cystine&diff=6341880&oldid=prev 2025-02-23T21:22:21Z

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Prab https://wikimd.org/index.php?title=Cystine&diff=5208943&oldid=prev 2024-02-22T05:44:41Z

<p>CSV import</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Cystine&#039;&#039;&#039; is a non-essential [[amino acid]] that is used in the biosynthesis of [[protein]]. It is formed from [[cysteine]] through the process of [[oxidation]]. Cystine is notable for its role in maintaining the structure of proteins and promoting proper functioning of the body&#039;s cells and tissues.<br /> <br /> == Structure and Properties ==<br /> <br /> Cystine is composed of two cysteine molecules joined together by a [[disulfide bond]]. This bond is responsible for the stability of the cystine molecule and its resistance to changes in temperature and pH. The disulfide bond also plays a crucial role in the formation and maintenance of the three-dimensional structure of proteins.<br /> <br /> == Biological Role ==<br /> <br /> Cystine plays a vital role in the body&#039;s metabolism and in the structure and function of proteins. It is involved in the synthesis of [[glutathione]], a powerful antioxidant that protects the body from damage by free radicals. Cystine is also involved in the detoxification of harmful substances in the liver.<br /> <br /> In addition, cystine is essential for the growth and repair of tissues. It is particularly important for the health of the skin, hair, and nails. Cystine is also involved in the production of [[collagen]], a protein that provides structure and strength to tissues.<br /> <br /> == Health Implications ==<br /> <br /> A deficiency in cystine can lead to a number of health problems, including slow growth, skin lesions, and hair loss. On the other hand, an excess of cystine can lead to the formation of [[cystine stones]] in the kidneys, a condition known as [[cystinuria]].<br /> <br /> == Dietary Sources ==<br /> <br /> Cystine is found in a variety of foods, including meat, dairy products, eggs, and some types of fish. It can also be obtained from certain vegetables and grains.<br /> <br /> == See Also ==<br /> <br /> * [[Amino acid]]<br /> * [[Protein]]<br /> * [[Cysteine]]<br /> * [[Disulfide bond]]<br /> * [[Glutathione]]<br /> * [[Collagen]]<br /> * [[Cystinuria]]<br /> <br /> [[Category:Amino Acids]]<br /> [[Category:Protein]]<br /> [[Category:Metabolism]]<br /> [[Category:Nutrition]]<br /> <br /> {{stub}}<br /> {{dictionary-stub1}}</div>

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