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Zelavespib hydrochloride

Catalog No. T80742

Synonyms: PU-H71 hydrochloride

Zelavespib (PU-H71) hydrochloride is a potent inhibitor of Hsp90, exhibiting an IC50 value of 51 nM in MDA-MB-468 cells.

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Zelavespib hydrochloride Chemical Structure

Zelavespib hydrochloride, CAS N/A

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Biological Description

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Description	Zelavespib (PU-H71) hydrochloride is a potent inhibitor of Hsp90, exhibiting an IC50 value of 51 nM in MDA-MB-468 cells.
In vitro	Zelavespib hydrochloride is an effective Hsp90 inhibitor with an IC50 of 51 nM in MDA-MB-468 cells. It suppresses the growth of various tumor cells, including MDA-MB-468, MDA-MB-231, and HCC-1806 cells with IC50s of 65 ± 8 nM , 140 ± 5 nM , and 87 ± 3 nM , respectively, an effect associated with G2-M arrest. Zelavespib (10-1000 nM ) significantly induces apoptosis in triple-negative breast cancer (TNBC). At concentrations of 0.5 and 1 μM, Zelavespib downregulates oncoproteins involved in TNBC invasiveness [1]. Zelavespib (0.5 μM) reduces and depletes BCR signaling kinases. It exhibits cytotoxicity against CLL cells at 0.25-10 μM with minimal impact on PBMC or resting B cells. Moreover, Zelavespib (0-1μM) diminishes CLL cell viability by inducing mitochondrial apoptosis and opposes survival signals from the CLL microenvironment at 0.5 μM [2]. Additionally, Zelavespib (0.05 μM) induces apoptosis in MDA-MB-231, BT-474, and MCF7 cells, an effect enhanced by TNF-α. It also degrades IKKβ and downregulates NF-κB transcriptional activity induced by TNF-α treatment [3].
In vivo	Zelavespib (75 mg/kg, intraperitoneal injection) induces accumulation within the tumor and prolongs the downregulation of oncogenic drivers, achieving a non-toxic dose response while preserving efficacy in MDA-MB-468 tumor-bearing mice. Zelavespib administered thrice weekly at the same dosage via intraperitoneal injection inhibits tumor growth, an effect associated with the downregulation of multiple Hsp90-regulated oncoproteins [1].

Synonyms	PU-H71 hydrochloride
Molecular Weight	N/A

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

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Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc.

Keywords

Zelavespib hydrochloride Cytoskeletal Signaling Metabolism HSP PU-H71 hydrochloride inhibitor inhibit

Products are chemical reagents for research use only and are not intended for human use. We do not sell to patients.