Revision 1

#84566Store at RT

5 mg

Cell Signaling Technology

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For Research Use Only. Not for Use in Diagnostic Procedures.

Background

(+)-JQ1 is a potent BET bromodomain inhibitor with IC50 values of 77 nM and 33 nM for BRD4 bromodomain 1 and BRD4 bromodomain 2, respectively. This small molecule competitively binds to the acetyl-lysine recognition pocket of BET bromodomains, which in turn displaces BET proteins from chromatin (1). The BET family of proteins are associated in many different cellular processes, including mitosis, viral/host interaction, and inflammatory gene expression (2-4). Studies have shown that (+)-JQ1 induced autophagy through LKB1/AMPK pathway activation can inhibit bladder cancer (BC) cell proliferation (5).

  1. Filippakopoulos, P. et al. (2010) Nature 468, 1067-73.
  2. Huang, B. et al. (2009) Mol Cell Biol 29, 1375-87.
  3. Abbate, E.A. et al. (2006) Mol Cell 24, 877-89.
  4. Yang, Z. et al. (2008) Mol Cell Biol 28, 967-76.
  5. Li, F. et al. (2019) Cancer Med 8, 4792-805.

Molecular Formula

C23H25ClN4O2S

Molecular Weight

457 g/mol

Purity

>98%

CAS

1268524-70-4

Solubility

Soluble in DMSO at 60 mg/ml or ethanol at 46 mg/ml.

Storage

Store lyophilized at room temperature, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 2 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

(+)-JQ1 is supplied as a lyophilized powder. For a 10 mM stock, reconstitute 5 mg of powder in 1.09 ml of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.

Background References

    Cross-Reactivity Key

    H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

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