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ALX-380-054 Revised 18-Jun-08
Geldanamycin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Protein Kinase Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-054-C100   100 µg 28.00 USD Add To Cart
ALX-380-054-C500   500 µg 50.00 USD Add To Cart
ALX-380-054-M001   1 mg 75.00 USD Add To Cart
ALX-380-054-M005   5 mg 300.00 USD Add To Cart
Product Specification
FORMULA: C29H40N2O9
MW: 560.6
CAS NUMBER: 30562-34-6
RTECS: LX8920000
SOURCE/HOST: Isolated from Streptomyces hygroscopicus.
PURITY: ≥96%
APPEARANCE: Yellow solid.
SOLUBILITY: Slightly soluble in methanol, chloroform or DMSO; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Potent antitumor antibiotic. Inhibitor of pp60src tyrosine kinase and of c-myc gene expression in murine lymphoblastoma cells. Inhibits the transforming activity of abl, erbB, fps, src, and yes. Binds specifically to heat shock protein 90 (HSP90) and to its endoplasmic reticulum homolog GP96 (GRP94). Capable of destabilizing several oncogene and proto-oncogene products. Potent inhibitor of the nuclear hormone receptor family. Protects against α-synuclein toxicity to dopaminergic neurons in Drosophila. Destabilizes mutant p53 protein from a number of breast, leukemic, and prostate cell lines. Inhibits basal and hypoxia-induced expression of c-Jun (IC50=75nM) and abolishes hypoxia-induced increase in c-Jun N-terminal kinase (JNK) activity. Inhibits telomerase activity through inhibition of HSP90, a chaperone required for the assembly and activation of telomerase in human cells. ~10-fold more potent than herbimycin A (Prod. No. ALX-350-029)
Product Specific Literature References
Geldanamycin, a new antibiotic: C. DeBoer, et al.; J. Antibiot. 23, 442 (1970) Abstract
Phenotypic change from transformed to normal induced by benzoquinonoid ansamycins accompanies inactivation of p60src in rat kidney cells infected with Rous sarcoma virus: Y. Uehara, et al.; Mol. Cell. Biol. 6, 2198 (1986) Abstract
Inhibition of c-myc gene expression in murine lymphoblastoma cells by geldanamycin and herbimycin, antibiotics of benzoquinoid ansamycin group: H. Yamaki, et al.; J.Antibiot. 42, 604 (1989) Abstract
Inhibition of heat shock protein HSP90-pp60v-src heteroprotein complex formation by benzoquinone ansamycins: essential role for stress proteins in oncogenic transformation: L. Whitesell, et al.; PNAS 91, 8324 (1994) Abstract
Geldanamycin selectively destabilizes and conformationally alters mutated p53: M.V. Blagosklonny, et al.; Oncogene 11, 933 (1995) Abstract
Inhibition of the oncogene product p185erbB-2 in vitro and in vivo by geldanamycin and dihydrogeldanamycin derivatives: R.C. Schnur, et al.; J. Med. Chem. 38, 3806 (1995) Abstract
p185erbB2 binds to GRP94 in vivo. Dissociation of the p185erbB2/GRP94 heterocomplex by benzoquinone ansamycins precedes depletion of p185erbB2: C. Chavany, et al.; J. Biol. Chem. 271, 4974 (1996) Abstract; Full Text
Stable and specific binding of heat shock protein 90 by geldanamycin disrupts glucocorticoid receptor function in intact cells: L. Whitesell & P. Cook; Mol. Endocrinol. 10, 705 (1996) Abstract
Geldanamycin as a potential anti-cancer agent: its molecular target and biochemical activity: L. Neckers, et al.; Invest. New Drugs 17, 361 (1999), (Review) Abstract
Hsp-90-associated oncoproteins: multiple targets of geldanamycin and its analogs: M.V. Blagosklonny; Leukemia 16, 455 (2002), (Review) Abstract
Pharmacological prevention of Parkinson disease in Drosophila: P.K. Auluck & N.M. Bonini; Nat. Med. 8, 1185 (2002) Abstract
Effects of geldanamycin on signaling through activator-protein 1 in hypoxic HT29 human colon adenocarcinoma cells: I.A. Vasilevskaya and P.J. O'Dwyer; Cancer Res. 59, 3935 (1999) Abstract
Inhibition of telomerase activity by geldanamycin and 17-allylamino, 17-demethoxygeldanamycin in human melanoma cells: R. Villa, et al.; Carcinogenesis 24, 851 (2003) Abstract
Chaperoning oncogenes: HSP90 as a target of geldanamycin: L. Neckers; Handb. Exp. Pharmacol. 259 (2006), (Review) Abstract
Geldanamycin interferes with the 90-kDa heat shock protein, affecting lipopolysaccharide-mediated interleukin-1 expression and apoptosis within macrophages: H.Y. Hsu, et al.; Mol. Pharmacol. 71, 344 (2007) Abstract; Full Text
Relationship among ligand conformations in solution, in the solid state, and at the Hsp90 binding site: geldanamycin and radicicol: P. Thepchatri, et al.; JACS 129, 3127 (2007) Abstract
Inhibition of heat shock protein 90 impairs epidermal growth factor-mediated signaling in gastric cancer cells and reduces tumor growth and vascularization in vivo: S.A. Lang, et al.; Mol. Cancer Ther. 6, 1123 (2007) Abstract; Full Text
Geldanamycin, a heat-shock protein 90-binding agent, induces thymocyte apoptosis through destabilization of Lck in presence of 12-O-tetradecanoylphorbol 13-acetate: K. Ohta, et al.; Biomed. Res. 28, 33 (2007) Abstract; Full Text
Low dose geldanamycin inhibits hepatocyte growth factor and hypoxia-stimulated invasion of cancer cells: F. Koga, et al.; Cell Cycle 6, 1393 (2007) Abstract
The heat-shock protein 90 inhibitor, geldanamycin, induces apoptotic cell death in Epstein-Barr virus-positive NK/T-cell lymphoma by Akt down-regulation: Y.K. Jeon, et al.; J. Pathol. 213, 170 (2007) Abstract
Geldanamycin, a HSP90 inhibitor, attenuates the hypoxia-induced vascular endothelial growth factor expression in retinal pigment epithelium cells in vitro: W.C. Wu, et al.; Exp. Eye Res. 85, 721 (2007) Abstract
HSP90 antagonist, geldanamycin, inhibits proliferation, induces apoptosis and blocks migration of rhabdomyosarcoma cells in vitro and seeding into bone marrow in vivo: E. Lesko, et al.; Anticancer Drugs 18, 1173 (2007) Abstract
Geldanamycin enhances hepatocyte growth factor stimulation of eNOS phosphorylation in endothelial cells: K. Makondo, et al.; Eur. J. Pharmacol. 582, 110 (2007) Abstract
Hsp90-inhibitor geldanamycin abrogates G(2) arrest in p53-negative leukemia cell lines through the depletion of Chk1: K. Sugimoto, et al.; Oncogene 27, 3091 (2008) Abstract
 
 

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