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包装规格:100g in glass bottle
产品简介:一种口服有效的组胺H1受体(histamine H1 receptor)激动剂和H3受体 (H1 receptor)的拮抗剂。Betahistine dihydrochloride用于类风湿性关节炎(RA)的研究。
溶解性:溶于H2O(≥50mg/ml)和 DMSO(33.33mg/mL超声)和 DMF(5mg/mL超声)
储备液保存:-80°C, 6 months -20°C, 1 month (protect from light, stored under nitrogen)
体内实验:1、请依序添加每种溶剂: PBS Solubility: 150 mg/mL (717.29 mM); 澄清溶液; 超声助溶 <1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。
靶点:H3 Receptor
体外研究:Betahistine dihydrochloride (0-10 μM) inhibits [125I]iodoproxyfan binding to membranes of CHO (rH3(445)R) and CHO (hH3(445)R) cells with IC50 values of 1.9 μM and 3.3 μM, respectively. Lead to Ki values of 1.4 μM and 2.5 μM, respectively. Betahistine dihydrochloride (0-10 μM) has a regulating function on cAMP formation in CHO (rH3(445)R), CHO (rH3(413)R), and CHO (hH3(445)R) cells. At low concentrations, betahistine behaves an apparent inverse agonist, and progressively enhances cAMP formation with EC50 values of 0.1 nM, 0.05 nM and 0.3 nM, respectively. In contrast, at concentrations higher than 10 nM, betahistine inhibits cAMP formation with an EC50 value of 0.1 μM in CHO (rH3(445)R) and full agonist activity.
体内研究:Betahistine dihydrochloride (intraperitoneal or oral administration; 0.1-30 mg/kg; single dose) with acute administration has increased tele-methylhistamine (t-MeHA) levels with an ED50 of 0.4 mg/kg, indicating the inverse agonism. Besides, after acute oral administration, it increases t-MeHA levels with an ED50 of 2 mg/kg in male Swissmice. Betahistine dihydrochloride (oral adminstration; 1 and 5 mg/kg; daily for 3 weeks) attenuates the severity of arthritis and reduces the levels of pro-inflammatory cytokines in the paw tissues of CIA mice.
保存条件:2-8℃
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。