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| 包装规格: | 2mg 5mg 10mg 50mg 100mg in glass bottle |
| 产品简介: | Mirabegron 是一种选择性的肾上腺素受体 (β3-adrenoceptor) 激动剂,EC50 为 22.4 nM。 |
| 溶解性: | DMSO :79 mg/mL (199.23 mM) Ethanol:8 mg/mL (20.17 mM) Water:Insoluble |
| 储备液保存: | -80°C, 2 years -20°C, 1 year |
| 体内实验: | 1、请依序添加每种溶剂: 10% DMSO→40% PEG300→ 5% Tween-80 →45% saline Solubility: ≥ 2.08 mg/mL (5.25 mM); Clear solution 此方案可获得 ≥ 2.08 mg/mL (5.25 mM,饱和度未知) 的澄清溶液。 以 1 mL 工作液为例,取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加入50 μL Tween-80,混合均匀;然后继续加入 450 μL生理盐水定容至 1 mL。 2、请依序添加每种溶剂: 10% DMSO→90% (20% SBE-β-CD in saline) Solubility: ≥ 2.08 mg/mL (5.25 mM); Clear solution 此方案可获得 ≥ 2.08 mg/mL (5.25 mM,饱和度未知) 的澄清溶液。 以 1 mL 工作液为例,取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液中,混合均匀。 3、请依序添加每种溶剂: 10% DMSO→90% corn oil Solubility: ≥ 2.08 mg/mL (5.25 mM); Clear solution 此方案可获得 ≥ 2.08 mg/mL (5.25 mM,饱和度未知) 的澄清溶液,此方案不适用于实验周期在半个月以上的实验。 以 1 mL 工作液为例,取 100 μL 20.8 mg/mL 的澄清 DMSO 储备液加到 900 μL玉米油中,混合均匀。 <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: | β3-adrenoceptor:22.4 nM(EC50) |
| 体外研究: | Mirabegron (YM178) increases cyclic AMP accumulation in Chinese hamster ovary (CHO) cells expressing human β3-adrenoceptor (AR). EC50 value is 22.4 nM. EC50 values of Mirabegron for human β1- and β2-ARs are 10,000 nM or more, respectively. EC50 of Mirabegron in rat bladder strips precontracted with 10-6 M Carbachol (CCh) is 5.1 μM, whereas that in human bladder strips precontracted with 10-7 M CCh is 0.78 μM. Mirabegron concentration-dependently increases the accumulation of cAMP in CHO cells expressing human β3-ARs, with an EC50 value and I.A. of 22.4 nM and 0.8, respectively. Mirabegron has little agonistic effect on β1- and β2-ARs. Compared by EC50 value, Mirabegron is approximately one third as potent as isoproterenol. The maximal relaxant effects of Mirabegron are 94±1%, that of CCh, indicating that Mirabegron acts a full agonist in the rat bladder. The maximal relaxant effects of Mirabegron is 89.4±2.3%. |
| 体内研究: | Mirabegron (YM178) produces a dose-dependent decrease in the frequency of rhythmic bladder contraction in anesthetized rats. In contrast, Mirabegron does not decrease the amplitude of rhythmic bladder contraction at up to 3 mg/kg i.v.. On the contrary, Oxybutynin significantly increases the frequency of rhythmic bladder contraction and decreased its amplitude at doses of 0.272 mg/kg i.v. or more. |
| 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。 |
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