Cysteamine HCl - CAS 156-57-0
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Not Intended for Therapeutic Use. For research use only.
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Cysteamine has been shown to increase intracellular glutathione levels in cystinotic cells, thus restoring the altered redox state of the cells.
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1.Nuclear magnetic resonance (NMR)-based metabolomic studies on urine and serum biochemical profiles after chronic cysteamine supplementation in rats.
Liu G1, Wang Y, Wang Z, Cai J, Lv X, Zhou A. J Agric Food Chem. 2011 May 25;59(10):5572-8. doi: 10.1021/jf104129k. Epub 2011 Apr 19.
The purpose of this study was to investigate the effect of chronic cysteamine (CS) supplementation on rat metabolism. Rats received biweekly intragastric administration of either CS-HCl at 250 mg/kg body weight or saline (control) for 4 weeks. The 24 h urine and blood serum samples after the last CS treatment were analyzed by nuclear magnetic resonance (NMR)-based metabolomics, specifically high-resolution (1)H NMR metabolic profiling combined with multivariate statistics. Metabolic effects of CS include decreased serum acetate, trimethylamine-N-oxide, and urine hippurate, together with increased urine dimethylamine, indicating modulation of intestinal microbial metabolism of the rats. A decrease in urine succinate, citric acid, and serum acetoacetate, together with an increase in serum lactate, was also observed, which suggests that CS supplementation results in perturbation of energy metabolism in rats.
2.Anti-inflammatory and carbonic anhydrase restoring actions of yam powder (Dioscorea spp) contribute to the prevention of cysteamine-induced duodenal ulcer in a rat model.
Park JM1, Kim YJ, Kim JS, Han YM, Kangwan N, Hahm KB, Kim TS, Kwon O, Kim EH. Nutr Res. 2013 Aug;33(8):677-85. doi: 10.1016/j.nutres.2013.05.019. Epub 2013 Jul 8.
Increased acid output, accompanied with a defective defense system, is considered a fundamental pathogenesis of duodenal ulcer (DU). However, relapse of DU occurs despite proton pump inhibitors and H2 receptor antagonists, hence imposing the enforcement of the defense system. Dried powder of the yam tuber (Dioscorea spp) has been used in traditional folk medicine as a nutritional fortification. We hypothesized that dried-yam powder would prevent DU through improvement of anti-inflammatory actions and carbonic anhydrase (CA) activity. Therefore, we investigated the preventive effects of dried-yam powder against the cysteamine-induced DU and elucidated the underlying mechanisms. Duodenal ulcers were induced in Sprague-Dawley rats by intragastric administration of 500 mg/kg cysteamine-HCl. The dried-yam powder was used as a pretreatment before the cysteamine-HCl. The number and size of DU were measured. The expressions of inflammation mediators were checked in duodenal tissues, and the expressions of CAs and malondialdehyde levels were also examined.
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CAS 156-57-0 Cysteamine HCl

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