富马酸依美斯汀  ≥98%

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包装规格:50mg 250mg 1g 5g in glass bottle
产品简介:一种具有口服活性,选择性和高亲和力的组胺 H1 受体拮抗剂,Ki 值为 1.3nM。Emedastine difumarate 是一种苯并咪唑衍生物,具有强大的抗过敏特性,可用于过敏性鼻炎,过敏性皮肤疾病和过敏性结膜炎。
靶点:H1Receptor:1.3 nM (Ki);H2 Receptor:49067 nM (Ki);H3 Receptor:12430 nM (Ki)
体外研究:Emedastine difumarate inhibits histamine H2 receptor (Ki=49067 nM) and histamine H3 receptor (Ki=12430 nM). High concentrations of Emedastine difumarate (1 and 10 ng/ml) significantly inhibits type 1 collagen production in normal human dermal fibroblasts. Emedastine difumarate (1, 10, 100, 1000 nM) at concentrations of ≥ 10 nM inhibits CC chemokine-elicited eosinophil migration.
体内研究:Emedastine difumarate (0.03, 0.1, 0.3 mg/kg; orally; pretreatment of 30 min) significantly suppresses histamine-induced scratching with 0.1 and 0.3 mg/kg but not 0.03 mg/kg. Pretreatment with Emedastine difumarate (0.03, 0.1, 0.3 mg/kg; orally) significantly inhibits the scratching induced by substance P and leukotriene B. Emedastine difumarate (0.3 mg/kg, p.o.) produces significant inhibition of passive peritoneal anaphylaxis in guinea-pigs. Emedastine difumarate inhibits histamine-induced contractions of isolated ileum (IC50=6.1 nM).
保存条件:-20℃
注意事项:1、为了您的安全和健康,请穿实验服并戴一次性手套操作。 2、以上信息仅做参考交流之用。