关附甲素 T8182

Product Introduction
Bioactivity


英文名: Guanfu base A

描述: Guanfu base A 是一种生物碱，分离自 Aconitum coreanum，是非竞争性 CYP2D6抑制剂，对人肝微粒体 (HLM) 的 Ki 为 1.20 μM，对人重组体 (rCYP2D6) 的 Ki 为 0.37 μM。它也是 CYP2D 的有效竞争抑制剂。它还能抑制 HERG 通道电流。Guan-fu base A 具有抗心律失常的作用。

体外活性: Guanfu base A has no inhibitory activity on mouse or rat CYP2Ds. Guanfu base A does not exhibit any inhibition activity on human recombinant 2C8, 2C19, CYP1A2, 2A6, 3A4, or 3A5, but shows slight inhibition of 2B6 and 2E1. Guanfu base A is a potent inhibitor of CYP2D6, with an IC50 recorded at ~0.46 μM in HLM (Dextromethorphan 5 μM) and 0.12 μM in rCYP2D6 (Bufuralol 5 μM)[1]. Guanfu base A inhibits HERG channel current in concentration-, voltage-, and time-dependent manners with an IC50 of 1.64 mM. Guanfu base A shifts the activation curve in a negative direction and accelerated channel inactivation but shows no effect on the inactivation curve [2].

体内活性: Beagle dogs treated intravenously with Dextromethorphan (2 mg/mL) after pretreatment with Guanfu base A injection shows reduced CYP2D metabolic activity, with the Cmax of dextrorphan being one-third that of the saline-treated group and area under the plasma concentration-time curve half that of the saline-treated group [1].

存储条件: store at low temperature,keep away from direct sunlightPowder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 10 mM


关键字: inhibit | Potassium Channel | Inhibitor | Guanfu base A | KcsA

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相关库: Anti-Tumor Natural Product Library | Anti-Neurodegenerative Disease Compound Library | Potassium Channel Blocker Library | Anti-Parkinson's Disease Compound Library | Membrane Protein-targeted Compound Library | Bioactive Compounds Library Max | Inhibitor Library | Traditional Chinese Medicine Monomer Library | RO5 Drug-like Natural Product Library | Bioactive Compound Library

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途