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- CAS号:
485-49-4
- 规格:
1mLx10mM(inDMSO)/5mg/10mg/25mg/50mg/100mg
| 规格: | 1mLx10mM(inDMSO) | 产品价格: | ¥216.0 |
|---|---|---|---|
| 规格: | 5mg | 产品价格: | ¥159.0 |
| 规格: | 10mg | 产品价格: | ¥210.0 |
| 规格: | 25mg | 产品价格: | ¥319.0 |
| 规格: | 50mg | 产品价格: | ¥428.0 |
| 规格: | 100mg | 产品价格: | ¥621.0 |
Product Introduction
Bioactivity
| 名称 | Bicuculline |
| 描述 | Bicuculline is an alkaloid extracted from Corydalis decumbens, acting as a competitive antagonist of the neurotransmitter GABAA receptor (IC50 = 2 μM). Bicuculline also blocks Ca2+-activated potassium (SK) channels and inhibits slow afterhyperpolarization (slow AHP). Bicuculline has anticonvulsant effects and is commonly used to establish mouse seizure models. |
| 体外活性 | 方法:小鼠海马脑片 CA1 锥体神经元 (WT vs PGC-1α−/−),通过浴槽给药方式加入 Bicuculline (1 μM),稳定灌流后全细胞电压钳记录计算 I/E 比率。 结果:PGC-1α−/− 双突触 IPSCs 幅度约为 WT 的 2 倍,I/E 比率显著升高,而 Bicuculline 将 PGC-1α−/−的 IPSCs 和 I/E 比率恢复至 WT 水平,且不影响 EPSCs。[1] 方法:新生小鼠(P5)小脑培养星形胶质细胞加入 Bicuculline (100 μM)和 GABA (50 μM),GABA 应用 30 s,间隔 7 min,全细胞膜片钳记录电流。 结果:荷包牡丹碱(100 μM) 能阻断(90.5 ± 3.7%)50 μM GABA 诱发的电流。[2] |
| 体内活性 | 方法:雄性 SD 大鼠通过皮下注射 Bicuculline (1, 4 mg/kg),给药后 10, 30, 110 min 取血和脑组织,LC-MS/MS 测定血浆和脑组织药物浓度;观察记录惊厥等级。 结果:Bicuculline 呈剂量依赖性进入脑内,1 mg/kg 组脑内 Tmax 为 10 min,4 mg/kg 组为 30 min,脑内浓度>880 ng/g 时诱发惊厥(≥III 级)。[2] |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | DMSO : 16.67 mg/mL (45.38 mM), Sonication is recommended. 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 2 mg/mL (5.44 mM), Sonication is recommended. Ethanol : < 1 mg/mL (insoluble or slightly soluble) |
| 关键字 | γ-Aminobutyric acid Receptor | potassium | neurotransmitter | Inhibitor | inhibit | Gamma-aminobutyric acid Receptor | GABAReceptor | GABAR | GABA Receptor | convulsant | competitive | Bicuculline | alkaloid | AHP |
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荷包牡丹碱【485-49-4】
¥159 - 621










