Butein

ALX-350-246

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Tyrosine kinase inhibitor

Plant polyphenol. Specific tyrosine kinase inhibitor. Potently inhibits the tyrosine kinase activity of the EGF receptor and p60^c-^src. Potent antioxidant and anti-inflammatory agent. Inhibits glutathione reductase and rat liver glutathione S-transferase. Activator of human deacetylase SIRT1. Inhibits aromatase, showing chemopreventive properties. Directly inhibits IKK.

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Product Details

Alternative Name	2′,3,4,4′-Tetrahydroxychalcone
Appearance	Yellow solid.
CAS	487-52-5
Couple Target	Cytochrome P450, EGFR, Glutathione reductase, GST, IKK, SIRT, SIRT1
Couple Type	Activator, Inhibitor
Formula	C₁₅H₁₂O₅
Identity	Identity determined by 1H-NMR, 13C-NMR and MS.
MW	272.3
Purity	≥98% (HPLC)
Solubility	Soluble in DMSO (>50mg/ml) or methanol; insoluble in water.

Handling & Storage

Use/Stability	As indicated on product label or CoA when stored as recommended.
Handling	Keep cool and dry under inert gas. Protect from light.
Long Term Storage	-20°C
Shipping	Ambient Temperature

Regulatory Status	RUO – Research Use Only

Butein induces apoptosis and inhibits prostate tumor growth in vitro and in vivo: Khan, N., Adhami, V. M., et al.; Antioxid. Redox Signal. 16, 1195 (2012), Abstract
Butein, a tetrahydroxychalcone, inhibits nuclear factor (NF)-kappaB and NF-kappaB-regulated gene expression through direct inhibition of IkappaBalpha kinase beta on cysteine 179 residue: M.K. Pandey, et al.; J. Biol. Chem. 282, 17340 (2007), Abstract
The plant polyphenol butein inhibits testosterone-induced proliferation in breast cancer cells expressing aromatase: Y. Wang, et al.; Life Sci. 77, 39 (2005), Abstract
Small molecule activators of sirtuins extend Saccharomyces cerevisiae lifespan: K.T. Howitz, et al.; Nature 425, 191 (2003), Abstract
Butein, a plant polyphenol, induces apoptosis concomitant with increased caspase-3 activity, decreased Bcl-2 expression and increased Bax expression in HL-60 cells: N.Y. Kim, et al.; Pharmacol. Toxicol. 88, 261 (2001), Abstract
Flavonoids inhibit cell growth and induce apoptosis in B16 melanoma 4A5 cells: K. Iwashita, et al.; Biosci. Biotechnol. Biochem. 64, 1813 (2000), Abstract
Antioxidant properties of butein isolated from Dalbergia odorifera: Z.J. Cheng, et al.; Biochim. Biophys. Acta 1392, 291 (1998), Abstract
Butein, a specific protein tyrosine kinase inhibitor: E.-B. Yang, et al.; BBRC 245, 435 (1998), Abstract
Inhibition of glutathione reductase by plant polyphenols: K. Zhang, et al.; Biochem. Pharmacol. 54, 1047 (1997), Abstract
Butein (3,4,2′,4′-tetrahydroxychalcone) ameliorates experimantal anti-glomerular basement membrane antibody-associated glomerulonephritis (3): K. Hayashi, et al.; Eur. J. Pharmacol. 316, 297 (1996), Abstract

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Butein

ALX-350-246

Product Details

Handling & Storage

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