PZ-2891是一种特异性且可穿透脑部的泛酰辅酶激酶(PANK)调节剂,在生化试验中作为正位抑制剂对 hPANK3 的 IC50 为 1.3 nM,同时在存在乙酰辅酶 A 的情况下作为 PANK3 活性的变构激活剂。
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描述 | PANK (Pantothenate kinase) is a metabolic enzyme that regulates cellular coenzyme A (CoA) levels, inactivating of which could lead to pantothenate kinase associated neurodegeneration. PZ-2891 is a brain-permeable allosteric PANK activator with IC50 value of 1.3nM for PANK3. PZ-2891 stabilized PANK3 by ∼7 °C in a cellular thermal shift (CETSA) assay and increased total intracellular CoA levels at concentration of 10μM in a human liver-derived cell line post 24h. Oral administration of PZ-2891 at dose of 15mg/kg and 20mg/kg every 12 h for 5 doses activated CoA synthesis in liver, forebrain and hindbrain of mice dosed with 100mg/kg pantothenate. Therapy with PZ-2891 rescued the weight loss, severe locomotor impairment and early death of a knockout mouse model of brain CoA deficiency. |
作用机制 | PZ-2891 occupies the pantothenate pocket and engages the dimer interface to form a PANK•ATP•Mg2+•PZ-2891 complex. The binding of PZ-2891 to one protomer locks the opposite protomer in a catalytically active conformation that is refractory to acetyl-CoA inhibition.[1] |
Dose | Mice: 30 mg/kg[1] (p.o.) |
计算器 | ||||
存储液制备 | 1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.86mL 0.57mL 0.29mL |
14.31mL 2.86mL 1.43mL |
28.62mL 5.72mL 2.86mL |
CAS号 | 2170608-82-7 |
分子式 | C20H23N5O |
分子量 | 349.43 |
别名 | |
运输 | 蓝冰 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Sealed in dry,Room Temperature |
溶解方案 |
DMSO: 80 mg/mL(228.94 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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动物实验配方 |