Oroxin A

Oroxin A
Product Name Oroxin A
CAS No.: 57396-78-8
Catalog No.: CFN99712
Molecular Formula: C21H20O10
Molecular Weight: 432.38 g/mol
Purity: >=98%
Type of Compound: Flavonoids
Physical Desc.: Yellow powder
Targets: XO
Source: The roots of Scutellaria baicalensis.
Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
Price: $128/20mg
Oroxin A is a xanthine oxidase (XO) inhibitor, it exerts its antibreast cancer effects by inducing ER stress-mediated senescence, activating the key stress signaling pathway, and increasing key ER stress genes and expression levels.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Anticancer Drugs. 2016 Mar;27(3):204-15.
    Oroxin A inhibits breast cancer cell growth by inducing robust endoplasmic reticulum stress and senescence.[Pubmed: 26599214 ]
    Breast cancer is a major cause of cancer death among women. Although various anticancer drugs have been used in clinics, drugs that are effective against advanced and metastatic breast cancer are still lacking and in great demand.
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    In this study, we found that Oroxin A, an active component isolated from the herb Oroxylum indicum (L.) Kurz, effectively inhibited the growth of human breast cancer cells MDA-MB-231 and MCF7 by inducing endoplasmic reticulum (ER) stress-mediated senescence. Oroxin A caused breast cancer cell cycle arrest at the G2/M stage, and reorganization of microtubules and actin cytoskeleton accompanied by a decrease in cellular mitosis. ER-specific probe ER-Tracker Red and confocal microscope imaging showed that ER-Tracker Red-positive cells increased in an Oroxin A dosage-dependent manner. In addition, Oroxin A increased cell population with high β-Gal activity and SAHF-positive staining; these data suggest that Oroxin A induces breast cancer cell ER stress and senescence. Mechanistic studies showed that Oroxin A led to a significant increase in intracellular reactive oxygen species levels, promoted expression of ER stress markers ATF4 and GRP78, and increased the phosphorylation of a key stress-response signaling protein p38, resulting in an ER stress-mediated senescence.
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