7-羟基甲氨蝶呤  

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包装规格:100mg in glass bottle
产品描述:Methotrexate (MTX) 的主要代谢产物。Methotrexate 是一种抗代谢和抗叶酸剂,可以抑制二氢叶酸还原酶,从而防止叶酸转化为四氢叶酸,并抑制 DNA 合成。7-Hydroxymethotrexate is a phase I metabolite of MTX, which is converted by hepatic aldehyde oxidases. Elimination of 7-hydroxy MTX is associated with the multi-drug transporters Abcc2, Abcc3, and Abcg2 in transgenic mouse models. It and the parent compound rapidly accumulate when all three transporters are absent.2 Formulations containing methotrexate have been used in the treatment of cancer, autoimmune diseases, ectopic pregnancy, and for the induction of medical abortions. Various methods have been described to quantify 7-hydroxy MTX levels during cancer therapy to avoid toxicity.
保存条件:-20℃