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Biological Activity for PU H71
PU H71 is a potent inhibitor of heat shock protein 90 (Hsp90) (IC50 = 51 nM in MDA-MB-468 cells). Also inhibits cell growth in a range of breast cancer cell lines (IC50 values are 17, 31, 65, 87 and 140 nM for SKBr3, MCF-7, MDA-MB-468, HCC-1806 and MDA-MB-231 cells respectively). Shown to inhibit cell proliferation and induce apoptosis in triple-negative breast cancer (TNBC) cells.
Technical Data for PU H71
|Storage||Store at -20°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for PU H71
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions for PU H71
The following data is based on the product molecular weight 512.37. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||1.95 mL||9.76 mL||19.52 mL|
|5 mM||0.39 mL||1.95 mL||3.9 mL|
|10 mM||0.2 mL||0.98 mL||1.95 mL|
|50 mM||0.04 mL||0.2 mL||0.39 mL|
References for PU H71
References are publications that support the biological activity of the product.
He et al (2006) Identification of potent water soluble purine-scaffold inhibitors of the heat shock protein 90. J.Med.Chem. 49 381 PMID: 16392823
Chan et al (2008) Molecular imaging of the efficacy of heat shock protein 90 inhibitors in living subjects. Cancer Res. 68 216 PMID: 18172314
Caldas-Lopes et al (2009) Hsp90 inhibitor, PU-H71, a multimodal inhibitor of malignancy, induces complete responses in triple-negative breast cancer models. Proc.Natl.Acad.Sci.USA 106 8368 PMID: 19416831
If you know of a relevant reference for PU H71, please let us know.
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4 Citations for PU H71
Citations are publications that use Tocris products. Selected citations for PU H71 include:
Orozco-Díaz et al (2019) The interaction between RE1-silencing transcription factor (REST) and heat shock protein 90 as new therapeutic target against Huntington's disease. PLoS One 14 e0220393 PMID: 31361762
Echeverría et al (2019) The sensitivity to Hsp90 inhibitors of both normal and oncogenically transformed cells is determined by the equilibrium between cellular quiescence and activity. PLoS One 14 e0208287 PMID: 30726209
Li et al (2016) PU-H71, a novel Hsp90 inhibitor, as a potential cancer-specific sensitizer to carbon-ion beam therapy. J Radiat Res 57 572 PMID: 27242340
Lee et al (2016) The purine scaffold Hsp90 inhibitor PU-H71 sensitizes cancer cells to heavy ion radiation by inhibiting DNA repair by homologous recombination and non-homologous end joining. Radiother Oncol 121 162 PMID: 27666928
Do you know of a great paper that uses PU H71 from Tocris? Please let us know.
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Literature in this Area
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