Dexrazoxane hydrochloride

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抑制剂描述：

产品名称：Dexrazoxane hydrochloride

产品别名：见爱必信官网

英文别名：Dexrazoxane hydrochloride

靶点：Topoisomerase

CAS：149003-01-0

纯度：98%

外观：见爱必信官网

保存方法：store at -20℃ for one year（Powder）； in DMSO or others solvent store at 2-4℃ for two weeks, at -20℃ for six months.

描述：

Dexrazoxane HCl (ICRF-187, ADR-529)是一种心脏保护剂。

溶解性：DMSO ：56 mg/mL (183.8 mM)
Water ：55 mg/mL (180.5 mM)

体外研究：

Dexrazoxane (10 mM), known clinically to limit anthracycline cardiac toxicity, prevents daunorubicin-induced myocyte apoptosis, but not necrosis induced by higher anthracycline concentrations in rat cardiac myocytes. Dexrazoxane presumably exerts its cardioprotective effects by either binding free or loosely bound iron, or iron complexed to doxorubicin, thus preventing or reducing site-specific oxygen radical production that damages cellular components. Dexrazoxane specifically abolishes the DNA damage signal gamma-H2AX induced by doxorubicin, but not camptothecin or hydrogen peroxide, in H9C2 cardiomyocytes. Dexrazoxane also induces rapid degradation of Top2beta, which paralleles the reduction of doxorubicin-induced DNA damage. Dexrazoxane antagonizes doxorubicin-induced DNA damage through its interference with Top2beta, which could implicate Top2beta in doxorubicin cardiotoxicity. Dexrazoxane is hydrolyzed to its active form intracellularly and binds iron to prevent the formation of superhydroxide radicals, thus preventing mitochondrial destruction.

体内研究：Dexrazoxane combined with doxorubicin, daunorubicin, or idarubicin reduces the tissue lesions in B6D2F1 mice (expressed as area under the curve of wound size times duration) by 96%, 70%, and 87%, respectively. Dexrazoxane combined with doxorubicin, daunorubicin, or idarubicin results in a statistically significant reduction in the fraction of mice with wounds as well as the duration of wounds.

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