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4μ8C

Cat. No. M5283

All AbMole products are for research use only, cannot be used for human consumption.

4μ8C Structure
Synonym:

IRE1 Inhibitor III

Size Price Availability Quantity
5mg USD 56  USD56 In stock
10mg USD 95  USD95 In stock
25mg USD 180  USD180 In stock
50mg USD 275  USD275 In stock
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Quality Control & Documentation
Biological Activity

4μ8C blocks substrate(RIDD) access to the active site of IRE1 and selectively inactivates both Xbp1 splicing and IRE1-mediated mRNA degradation. IRE1 inhibition subsequently induces ER stress without measureable acute toxicity. 4μ8C, as an IRE1 inhibitor, blocks IL-4, IL-5, and IL-13 production from CD4+ T cells.

Protocol (for reference only)
Cell Experiment
Cell lines Wild-type MEFs
Preparation method Cells are seeded in phenol red-free cell culture medium in 96 or 24 well dishes at a density of 5 × 103 or 5 × 104 cells per well, respectively. Cultures are incubated for 16 h before treatment with 4μ8C for 24 h. Cultures are then analyzed by the addition of 200 μM WST1 and 10 μM phenazine metho-sulfate. After development of the reagent for 2 h at 37°C, the hydrolyzed dye is detected by absorbance at 450 nm, after subtracting background and absorbance at 595 nm. Alternatively, cell viability is determined by staining of the adherent culture with crystal violet. Quantitation of the dye uptake is analyzed by extensive washing of the stained cells with water and solublization of the crystal violet in methanol followed by absorbance measurements at 595 nm.
Concentrations ~128 μM
Incubation time 24 hours
Animal Experiment
Animal models
Formulation
Dosages
Administration
Chemical Information
Molecular Weight 204.18
Formula C11H8O4
CAS Number 14003-96-4
Solubility (25°C) DMSO 18 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
References

[1] Chan JY, et al. Mol Cell Endocrinol. The balance between adaptive and apoptotic unfolded protein responses regulates β-cell death under ER stress conditions through XBP1, CHOP and JNK

[2] Tomasio SM, et al. Mol Biosyst. Selective inhibition of the unfolded protein response: targeting catalytic sites for Schiff base modification

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  Catalog
Abmole Inhibitor Catalog




Keywords: 4μ8C, IRE1 Inhibitor III supplier, IRE1, inhibitors, activators

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