509584 Sigma-AldrichISR Inhibitor, ISRIB - Calbiochem
The cell-permeable, selective inhibitor of eIF2α/eIF2S1 Ser51 phosphorylation-initiated UPR response (~25 to 200 nM) upon ER stress induction.More>> The cell-permeable, selective inhibitor of eIF2α/eIF2S1 Ser51 phosphorylation-initiated UPR response (~25 to 200 nM) upon ER stress induction. Less<<
ISR Inhibitor, ISRIB - Calbiochem MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Synonyms: trans-2-(4-Chlorophenoxy)-N-(4-(2-(4-chlorophenoxy)acetylamino)cyclohexyl)acetamide, Integrated Stress Response Inhibitor, UPR Inhibitor, eIF2α (pS51) Signaling Inhibitor, eIF2S1 (pS51) Signaling Inhibitor
Key Specifications Table
Pricing & Availability
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||Glass bottle||10 mg||
|Overview||The cell-permeable trans diastereomer of a bis-glycolamide compound that acts as a potent and selective blocker of eIF2α/eIF2S1 Ser51 phosphorylation-initiated unfold protein response/UPR (Effec. conc. 25 to 200 nM in HEK293T, HeLa, MEF, U2OS cultures) upon ER stress induction. Although noncytotoxic in the absence of ER stress, ISRIB does cause enhanced apoptotic cell death upon ER stress induction by Thapsigargin/Tg (100 to 500 nM; Cat. Nos. 586005 & 586006) or Tunicamycin/Tm (2 to 5 µg/mL; Cat. No. 654380) treatment. Reported to exhibit good pharmacokinetics with blood-brain permeability in mice and significantly enhance learning and long-term memory in mice (0.25 mg/kg/d i.p.) and rats (25 ng/0.5 µL/275-350 g rat; amygdala administration via cannulation) in vivo. Although the exact molecular target is not yet established, ISRIB most likely exerts its effect by modulating the interaction between the guanine nucleotide exchange factor eIF2B and the phosphorylated eIF2α (pS51).|
|Synonyms||trans-2-(4-Chlorophenoxy)-N-(4-(2-(4-chlorophenoxy)acetylamino)cyclohexyl)acetamide, Integrated Stress Response Inhibitor, UPR Inhibitor, eIF2α (pS51) Signaling Inhibitor, eIF2S1 (pS51) Signaling Inhibitor|
|References||Sidrauski, C., et al. 2013 Elife 2, e00498.|
|Form||Light beige powder|
|Structure formula Image|
|Purity||≥93% by HPLC|
|Safety Information according to GHS|
|Product Usage Statements|
|Packaged under inert gas||Packaged under inert gas|
ISR Inhibitor, ISRIB - Calbiochem SDS
|Sidrauski, C., et al. 2013 Elife 2, e00498.|
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.