Revision 1

#97598Store at -20C

10 mg

Cell Signaling Technology

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3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.

Background

Stattic is a nonpeptidic selective Stat3 inhibitor. This small molecule prevents the binding of tyrosine-phosphorylated peptide motifs to the Stat3 SH2 domain, inhibiting Stat3 activation, dimerization, and nuclear translocation with an IC50 value of 5.1 μM (incubated for 1 hour at 37°C) (1). Stattic blocks IL-6-induced Stat3 activation, reducing cell viability in tumor cells (2). Treatment with 10 μM induces apoptosis in Stat3-dependent cancer cell lines MDA-MB-231 and MDA-MB-435S (1).

  1. Schust, J. et al. (2006) Chem Biol 13, 1235-42.
  2. Pan, Y. et al. (2013) PLoS One 8, e54565.

Molecular Formula

C8H5NO4S

Molecular Weight

211.2 g/mol

Purity

>98%

CAS

19983-44-9

Solubility

Soluble in DMSO at 10 mg/ml or ethanol at 1 mg/ml.

Storage

Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

Stattic is supplied as a lyophilized powder. For a 40 mM stock, reconstitute 10 mg of powder in 1.18 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

    Trademarks and Patents

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