Macbecin I

Macbecin I

CAT N°: 22225
Price:

439.00 373.15

Macbecin I is a benzoquinone ansamycin antibiotic that binds to and inhibits heat shock protein 90 (Hsp90) in vitro (IC50 = 2 mM for Hsp90 ATPase activity).{34755} Macbecin I inhibits growth of 38 cancer cell lines (mean IC50 = 0.4 mM), with prostate DU145 cells being the most sensitive (IC70 < 0.01 mM). DU145 cells treated with macbecin I (1-10 mM) show dose-dependent degradation of the Hsp90 client proteins ErbB2 and cRaf1, consistent with the mechanism of Hsp90 inhibition. Macbecin I, at a dose of 10 mg/kg, inhibits tumor growth and delays disease progression in a human prostate carcinoma DU145 xenograft model.

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