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E2656

Sigma-Aldrich

(−)-Epothilone B

from Sorangium cellulosum, ≥98% (HPLC)

Sinónimos:

EPO906, EpoB, Patupilone

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About This Item

Fórmula empírica (notación de Hill):
C27H41NO6S
Número de CAS:
152044-54-7
Peso molecular:
507.68
MDL number:
MFCD02101921
UNSPSC Code:
12352200
PubChem Substance ID:
24724475
NACRES:
NA.77

biological source

Sorangium cellulosum

Quality Level

100

assay

≥98% (HPLC)

form

lyophilized powder

storage condition

desiccated
protect from light

color

white to off-white

storage temp.

−20°C

SMILES string

[H][C@]1(C[C@]2([H])O[C@]2(C)CCC[C@H](C)[C@H](O)[C@@H](C)C(=O)C(C)(C)[C@@H](O)CC(=O)O1)\C(C)=C\c3csc(C)n3

InChI

1S/C27H41NO6S/c1-15-9-8-10-27(7)22(34-27)12-20(16(2)11-19-14-35-18(4)28-19)33-23(30)13-21(29)26(5,6)25(32)17(3)24(15)31/h11,14-15,17,20-22,24,29,31H,8-10,12-13H2,1-7H3/b16-11+/t15-,17+,20-,21-,22-,24-,27+/m0/s1

InChI key

QXRSDHAAWVKZLJ-PVYNADRNSA-N

General description

Epothilones has antimitotic properties. It prevents microtubule depolymerization and competitively blocks paclitaxel binding to microtubules. Epothilone B is used to treat metastatic breast cancer (MBC).

Biochem/physiol Actions

(-)-Epothilone B is a microtubule (MT) stabilizing drug and natural macrolide antitumor from myxobacteria Sorangium cellulosum. EpoB has similar biological properties to EpoA. However, EpoB is 10-fold more potent than EpoA against P-glycoprotein-expressing multidrug resistant (MDR) cells (IC50 = 2 nM for MDR CCRF-CEM/VBL100 cells). (-)-Epothilone B is similar to paclitaxel in binding displacement, and a substitution for paclitaxel in dependent cell growth. EpoB causes cell cycle arrest (IC50 = 3.5 nM).

Related product

Referencia del producto
Descripción
Precios

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
017M4743V
090M4714V
128K4713
086K4707

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BMS-247550: a novel epothilone analog with a mode of action similar to paclitaxel but possessing superior antitumor efficacy
Lee FYF, et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 7(5), 1429-1437 (2001)
Phase II clinical trial of ixabepilone (BMS-247550), an epothilone B analog, as first-line therapy in patients with metastatic breast cancer previously treated with anthracycline chemotherapy
Roche H, et al.
Journal of Clinical Oncology, 25(23), 3415-3420 (2007)
Christoph Grohmann et al.
Cell death & disease, 12(3), 268-268 (2021-03-14)
Targeting cell division by chemotherapy is a highly effective strategy to treat a wide range of cancers. However, there are limitations of many standard-of-care chemotherapies: undesirable drug toxicity, side-effects, resistance and high cost. New small molecules which kill a wide
Colette J Shen et al.
BMC cancer, 14, 532-532 (2014-07-24)
Ionizing radiation (IR) is a mainstay of cancer therapy, but irradiation can at times also lead to stress responses, which counteract IR-induced cytotoxicity. IR also triggers cellular secretion of vascular endothelial growth factor, transforming growth factor β and matrix metalloproteinases

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