PZ-2891 is a specific and brain-permeable Pantothenate kinase (PANK) modulator, acting as an orthosteric inhibitor with IC50 of 1.3 nM for hPANK3 and also an allosteric activator of PANK3 activity in the presence of acetyl-CoA in biochemical assays.
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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 |
液体 -20°C:3-6个月-80°C:12个月 粉末 Sealed in dry,Room Temperature |
溶解度 |
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 |
动物实验配方 |