Retaspimycin binds to and inhibits the cytosolic chaperone functions of HSP90, which maintains the stability and functional shape of many oncogenic signaling proteins and may be overexpressed or overactive in tumor cells. Hsp90 inhibition by IPI-504 induced apoptosis, blocked migration and invasion, and significantly decreased epidermal growth factor receptor levels, mitogen-activated protein kinase and/or Akt activities, and secretion of vascular endothelial growth factor in glioma cell lines.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
Profiling Hsp90 differential expression and the molecular effects of the Hsp90 inhibitor IPI-504 in high-grade glioma models.
Di K, et al. J Neurooncol. 2014 Aug 13. PMID: 25115740.
Activity of IPI-504, a novel heat-shock protein 90 inhibitor, in patients with molecularly defined non-small-cell lung cancer.
Sequist LV, et al. J Clin Oncol. 2010 Nov 20;28(33):4953-60. PMID: 20940188.
|Related HSP Products|
HSF1A is an activator of Heat shock transcription factor 1 (HSF1).
HSP70-IN-1 is a heat shock protein (HSP) inhibitor with an IC50 of 2.3 μM inhibiting the growth of Kasumi-1 cells.
Apoptozole is an inhibitor of the ATPase domain of Hsc70 and Hsp70, with Kds of 0.21 and 0.14 μM, respectively, and can induce apoptosis.
Teprenone(Geranylgeranylacetone; GGA)is commonly utilized to protect the gastric mucosa in peptic ulcer disease; has been shown to protect the myocardium from ischemia/reperfusion by activating heat shock proteins.
Celastrol is a potent antioxidant and anti-inflammatory agent and a novel HSP90 inhibitor.
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