Salubrinal

Catalog No.S2923

Salubrinal is a selective inhibitor of eIF2α dephosphorylation and inhibits ER stress-mediated apoptosis with EC50 of ~15 μM.

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In DMSO USD 280 In stock
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Salubrinal Chemical Structure

Salubrinal Chemical Structure
Molecular Weight: 479.81

Validation & Quality Control

Quality Control & MSDS

Related Compound Libraries

Salubrinal is available in the following compound libraries:

Product Information

Product Description

Biological Activity

Description Salubrinal is a selective inhibitor of eIF2α dephosphorylation and inhibits ER stress-mediated apoptosis with EC50 of ~15 μM.
In vitro Salubrinal is a selective inhibitor of cellular complexes that dephosphorylate eukaryotic translation initiation factor 2 subunit α (eIF2α). Salubrinal inhibited ER stress-mediated apoptosis induced by the protein glycosylation inhibitor tunicamycin (Tm) in a dose-dependent manner, with a median effective concentration (EC50) ∼ 15 μM. Salubrinal also suppressed Tm-induced DNA fragmentation the processing of caspase-7, a caspase activated by ER stress. However, Salubrinal is not a general apoptosis inhibitor. Salubrinal induced rapid and robust eIF2α phosphorylation and its downstream effects in PC12 cells, including down-regulation of cyclin D1 and up-regulation of GADD34 and CHOP, two proteins whose expression is induced by eIF2α phosphorylation. Salubrinal inhibits eIF2α dephosphorylation by inhibiting the PP1/GADD34 complex. Salubrinal inhibits HSV replication with IC50 of ~ 3μM by inhibiting eIF2α dephosphorylation. [1] Salubrinal increased non-rapid eye movement (NREM) sleep. [2]
In vivo Salubrinal inhibits HSV replication in a mouse cornea infection model. Compared to vehicle control, topical Salubrinal treatment significantly reduced the viral titer recovered from eye swabs of infected animals. [1] I.C.V. administration of Salubrinal significantly modified the homeostatic sleep response. [3]
Features

Protocol(Only for Reference)

Cell Assay: [1]

Cell lines PC12
Concentrations 0-100 μM
Incubation Time 48 hours
Method PC12 cells are plated in 384-well plates at 5000 cells per well in 40μL phenol red-freemedium containing 3μg/ml Tm to induce ER stress. 100 nL of the DiverSet E (5 mg/mlin DMSO) or National Cancer Institute’s (NCI) Structural Diversity set and Open Collections (10 mM in DMSO) (NCI) are added to the wells by robotic pin transfer. After 48 hours, cell viability is assessed using a luminescence-based ATP assay. DMSO- and zVAD.fmk-treated wells on each plate served as negative and positive controls for rescue from ER stress-induced ATP loss, respectively.

Animal Study: [1]

Animal Models Eight-week-old male CD-1 outbred mice
Formulation in DMEM
Dosages 75μM
Administration On cornea
Solubility 30% propylene glycol, 5% Tween 80, 65% D5W, 30 mg/mL
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesBaboonDogMonkeyRabbitGuinea pigRatHamsterMouse
Weight (kg)121031.80.40.150.080.02
Body Surface Area (m2)0.60.50.240.150.050.0250.020.007
Km factor202012128653
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Boyce M, et al. Science, 2005, 307(5711), 935-939.

[2] Methippara MM, et al. Am J Physiol Regul Integr Comp Physiol, 2009, 296(1), 178-184.

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Chemical Information

Download Salubrinal SDF
Molecular Weight (MW) 479.81
Formula

C21H17Cl3N4OS

CAS No. 405060-95-9
Storage 3 years -20℃Powder
6 months-80℃in solvent (DMSO, water, etc.)
Synonyms
Solubility (25°C) * In vitro DMSO 96 mg/mL (200.07 mM)
Water <1 mg/mL (<1 mM)
Ethanol 2 mg/mL (4.16 mM)
In vivo 30% propylene glycol, 5% Tween 80, 65% D5W 30 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name 2-Propenamide, 3-phenyl-N-[2,2,2-trichloro-1-[[(8-quinolinylamino)thioxomethyl]amino]ethyl]-, (2E)-

Research Area

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