373260

Heat Shock Protein Inhibitor I

Heat Shock Protein Inhibitor I, CAS 218924-25-5 blocks the induction of HSP70, HSP72, and HSP105. Blocks the development of thermotolerance in a dose-dependent manner.

• Synonym(s): Heat Shock Protein Inhibitor I, KNK437, N-Formyl-3,4-methylenedioxy-benzylidine-γ-butyrolactam, Hsp70 Induction Inhibitor I
• Empirical Formula (Hill Notation): C₁₃H₁₁NO₄
• CAS Number: 218924-25-5
• Molecular Weight: 245.23
• UNSPSC Code: 12352202
• NACRES: NA.77

Properties

• Quality Level: 100
• Assay: ≥95% (HPLC)
• form: powder
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: white to light yellow
• solubility: DMSO: 3 mg/mL; olive oil: soluble
• shipped in: ambient
• storage temp.: −20°C

Description

General description

A benzylidene lactam compound that blocks the induction of heat shock proteins HSP70, HSP72, and HSP105. Blocks the development of thermotolerance in a dose-dependent manner. Does not affect the thermosensitivity of nontolerant cells. Reported to be less toxic and more effective than Quercetin (Cat. No. 551600); and unlike Quercetin, it does not have an affect on the activities of PKA, PKC, or PTK.

A benzylidine lactam compound that inhibits the induction of heat shock proteins, including HSP70, HSP72, and HSP105. Blocks the development of thermotolerance in a dose-dependent manner, but does not affect the thermosensitivity of nontolerant cells. Reported to be less toxic and more effective than Quercetin (Cat. No. 551600), and, unlike quercetin, it does not affect the activities of PKA, PKC, and PTK.

Biochem/physiol Actions

Cell permeable: no

Primary Target
Hsp70

Product does not compete with ATP.

Reversible: no

Packaging

Packaged under inert gas

Warning

Toxicity: Harmful (C)

Reconstitution

Following reconstitution, aliquot and freeze at -20°C. Stock solutions are stable for up to 6 weeks at -20°C.

Other Notes

Koishi, M., et al. 2001. Clin. Cancer Res.7, 215.
Yokota, S., et al. 2000. Cancer Res.60, 2942.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable