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PLX-4720BRAF kinase inhibitor

PLX-4720

Catalog No. A3016
Size Price Stock Qty
Evaluation Sample $28.00 In stock
10mg $80.00 In stock
50mg $240.00 In stock
100mg $340.00 In stock

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Sample solution is provided at 25 µL, 10mM.

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Quality Control & MSDS

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Chemical structure

PLX-4720

Related Biological Data

PLX4720
qPCR analysis showing that PLX4720 (3μM) alters the expression of XBP1s mRNA (n=3, mean±SEM; Student’s t-test; *P<0.05).

Biological Activity

Description PLX4720 is a potent and selective inhibitor of B-RafV600E with IC50 of 13 nM, equally potent to c-Raf-1(Y340D and Y341D mutations), 10-fold selectivity for B-RafV600E than wild-type B-Raf.
Targets B-RafV600E c-Raf-1Y340D/Y341D        
IC50 13 nM 6.7 nM        

Protocol

Cell experiment: [1]

Cell lines

WM793 cells

Preparation method

The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while.Stock solution can be stored below -20°C for several months.

Reacting condition

0.5 μM, 96 hours

Applications

Viable cells were identified following 96 h incubation with PLX-4720. Cell viability was further evaluated after re-plating onto non-fibrillar collagen gels, in the continued presence of the drug. Viable cells were identified in ~63% of PLX-4720 treated cultures. These data indicate that melanoma cells harboring a BRAFV600E mutation can survive despite reductions in BRAF activation of the MEK-ERK signaling cascade.

Animal experiment: [2]

Animal models

Athymic nude mice injected with melanoma A375 cells

Dosage form

Intraperitoneal injection, 25–50mg/kg daily

Application

PLX-4720 decreased tumor growth as single therapy. When combined with the CRM1 inhibitor KPT-276 (75 mg/kg every day), the two inhibitors induced complete tumor regression per RECIST criteria. The difference between both single therapy and the combination therapy was statistically significant. The effect on apoptosis was believed to be the greatest contribution of the combination since it was significantly increased by the drug combination.

Other notes

Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.

References:

[1] Klein R M, Higgins P J. A switch in RND3-RHOA signaling is critical for melanoma cell invasion following mutant-BRAF inhibition. Mol Cancer, 2011, 10: 114.

[2] Fragomeni R A S, Chung H W, Landesman Y, et al. CRM1 and BRAF inhibition synergize and induce tumor regression in BRAF-mutant melanoma. Molecular cancer therapeutics, 2013, 12(7): 1171-1179.

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Chemical Properties

Cas No. 918505-84-7 SDF Download SDF
Synonyms PLX4720, PLX-4720, PLX 4720
Chemical Name N-[3-(5-chloro-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl]propane-1-sulfonamide
Canonical SMILES CCCS(=O)(=O)NC1=C(C(=C(C=C1)F)C(=O)C2=CNC3=NC=C(C=C23)Cl)F
Formula C17H14ClF2N3O3S M.Wt 413.83
Solubility Soluble in DMSO > 10 mM Storage Store at 4°C
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

View Related Products By Research Topics

Background

PLX-4720, a 7-azaindole derivative discovered by a structure-guided discovery approach, is a potent inhibitor of B-RafV600E, the most frequent oncogenic protein kinase mutation, with the value of 50% inhibition concentration IC50 of 13 nM. PLX-4720 exhibits selective inhibition against B-RafV600E rather than wild type B-Raf (IC50 = 160 nM) as well as a wide range of other kinases, such as FRK, CSK, SRC, FAK, FGFR, and Aurora A (IC50 > 1000 nM for all). PLX-4720 potently inhibits ERK phosphorylation in tumor cell lines harboring B-RafV600E, induces cell cycle arrest and apoptosis in B-RafV600E-positive melanoma cells and causes tumor growth delays in B-RafV600E-dependent tumor xenograft models through oral administration.

Reference

Tsai J, Lee JT, Wang W, Zhang J, Cho H, Mamo S, Bremer R, Gillette S, Kong J, Haass NK, Sproesser K, Li L, Smalley KS, Fong D, Zhu YL, Marimuthu A, Nguyen H, Lam B, Liu J, Cheung I, Rice J, Suzuki Y, Luu C, Settachatgul C, Shellooe R, Cantwell J, Kim SH, Schlessinger J, Zhang KY, West BL, Powell B, Habets G, Zhang C, Ibrahim PN, Hirth P, Artis DR, Herlyn M, Bollag G. Discovery of a selective inhibitor of oncogenic B-Raf kinase with potent antimelanoma activity. Proc Natl Acad Sci U S A. 2008 Feb 26;105(8):3041-3046