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8705
Sorafenib
Activators & Inhibitors
Chemical Modulators

Sorafenib #8705

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other Image 1 - Sorafenib

Chemical structure of sorafenib.

other Image 2 - Sorafenib

Western blot analysis of extracts from NIH/3T3 cells, serum-starved overnight and untreated or treated with hPDGF-BB #8912 (100 ng/ml, 5 min) either with or without sorafenib pre-treatment (1 µM, 2 hr), using Phospho-PDGF Receptor β (Tyr1009) (42F9) Rabbit mAb #3124 (upper) or PDGF Receptor β (28E1) Rabbit mAb #3169 (lower).

Product Usage Information

Sorafenib is supplied as a lyophilized powder. For a 10 mM stock, reconstitute the 10 mg in 1.57 ml DMSO. Working concentrations and length of treatment can vary depending on the desired effect, but it is typically used as a pretreatment at 0.1-10 µM for 0.5-2 hr prior to treating with a stimulator. It can also be used alone, with varying treatment times lasting up to 24 hr. Soluble in DMSO at 200 mg/ml; very poorly soluble in ethanol and water with maximum solubility in water ~10-20 µM.

Storage

Store lyophilized or in solution at -20ºC. In lyophlized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency.

Product Description

Molecular Weight:

637.03 g/mol

Purity:

>99%

Molecular Formula:

C21H16ClF3N4O3 • C7H8O3S

Background

Sorafenib, also known as Bay 43-9006, is a novel multikinase inhibitor that targets the RAF family of serine/threonine kinases and tyrosine kinase receptors involved in tumor progression and tumor angiogenesis, including: VEGFR-2 (IC50 = 90 nM), VEGFR-3 (IC50 = 20 nM), PDGFR- (IC50 = 57 nM), c-KIT (IC50 = 68 nM), and Flt3 (IC50 = 58 nM) (1). Research studies have demonstrated that sorafenib induces apoptosis in several tumor cell lines through the down-regulation of the antiapoptotic protein myeloid cell leukemia-1 (Mcl-1). Down-regulation of Mcl-1 by sorafenib is associated with the release of cytochrome c from mitochondria into the cytosol and caspase activation, leading to apoptotic cell death (2). STAT3 inhibition by sorafenib has been observed in multiple cell types (3-5).

  1. Wilhelm, S.M. et al. (2004) Cancer Res 64, 7099-109.
  2. Yu, C. et al. (2005) Oncogene 24, 6861-9.
  3. Zhao, W. et al. (2011) Anticancer Drugs 22, 79-88.
  4. Huang, S. and Sinicrope, F.A. (2010) Mol Cancer Ther 9, 742-50.
  5. Yang, F. et al. (2008) Mol Cancer Ther 7, 3519-26.
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

To Purchase # 8705S
Product # Size Price
8705S
10 mg $ 118

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