NRF2 inhibitor R16

Chemical Structure : NRF2 inhibitor R16

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货号: PC-21180Not For Human Use, Lab Use Only.

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50 mg		Get quote
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1 g		Get quote

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生物&药学活性

NRF2 inhibitor R16 is a novel mutated KEAP1 (mKEAP1)-selective NRF2 inhibitor, binds KEAP1-mutated proteins (G333C mKEAP1, Kd=2.7 uM) and restores their interaction with NRF2, leading to proteasome-dependent NRF2 degradation.
R16 significantly inhibits G333C, G364C, or R460S KEAP1 mutants with IC50 of <10 uM in ARE-luc reporter assays.
R16 is barely active against BT-20 cells, which bear WT-KEAP1.
R16 directly binds G333C mKEAP1, with a KD of 2.7 ± 0.6 μM, with no significant interaction with WT-KEAP1.
R16 dose-dependently decreases the NRF2 level in A549, H1648, and H322 cells, but not change in transcription level.
R16 dose-dependently decreases the mRNA levels of GCLM and NQO1, which are two well-established NRF2 transcription targets.
R16 dose-dependently decreases NRF2 protein in A549ctl cells bearing the G333C mutant, but not in A549(WT-KEAP1) cells.
R16 at submicromolar concentrations selectively sensitizes KEAP1-mutated cancer cells, but not WT-KEAP1 cells, to cisplatin and gefitinib.
R16 (110 mg/kg, i.p. daily) shows in vivo efficacy and selectively sensitized A549ctl-derived xenograft to cisplatin (2 mg/kg).

物理化学性质&存储条件

分子量	442.53
分子式	C22H26N4O4S
外观性状	Solid
CAS No.
储存条件	固体粉末 -20°C 12 个月; 4°C 6 个月	配置液 -80°C 6 个月; -20°C 6 个月
Shipping
Solubility	10 mM in DMSO
Chemical Name/SMILES	4,4'-thiobis(N'-((E)-2-hydroxybenzylidene)butanehydrazide)

参考文献

1. Aboulkassim T, et al. Cell Rep. 2023 Sep 12;42(9):113104.