4′-Bromoflavone(Synonyms: 4-溴黄酮)

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4′-Bromoflavone (Synonyms: 4-溴黄酮)

4′-Bromoflavone 是一种癌症化学预防剂,是一种有效的 II 期解毒酶诱导剂。

4′-Bromoflavone(Synonyms: 4-溴黄酮)

4′-Bromoflavone Chemical Structure

CAS No. : 20525-20-6

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生物活性

4′-Bromoflavone, a cancer chemopreventive agent, is a potent phase II detoxification enzymes inducer[1].

体外研究
(In Vitro)

4′-Bromoflavone significantly induces quinone reductase (QR) activity in cultured murine hepatoma 1c1c7 cells (concentration to double activity: 10 nM) and effectively induces the α- and mu-isoforms of glutathione S-transferase in cultured H4IIE rat hepatoma cells with no observed toxicity[1].
4′-Bromoflavone is a potent inhibitor of cytochrome P4501A1-mediated ethoxyresorufin-O-deethylase activity, with an IC50 of 0.86 μM. In HepG2 or MCF-7 cells, 4′-Bromoflavone significantly reduces the covalent binding of metabolically activated benzo[a]pyrene to cellular DNA[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

体内研究
(In Vivo)

In short-term dietary studies, 4′-Bromoflavone is also shown to increase QR activity and glutathione levels in rat liver, mammary gland, colon, stomach, and lung in a dose-dependent manner. In studies conducted with female Sprague Dawley rats ,4′-Bromoflavone significantly increases QR activity (phase II enzyme)[1].
In DMBA-treated female Sprague Dawley rats. Dietary administration of 4′-Bromoflavone (2000 and 4000 mg/kg of diet, from 1 week before to 1 week after DMBA) significantly inhibits the incidence and multiplicity of mammary tumors and greatly increases tumor latency[1].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

分子量

301.13

Formula

C15H9BrO2

CAS 号

20525-20-6

中文名称

4-溴黄酮

运输条件

Room temperature in continental US; may vary elsewhere.

储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.

参考文献
  • [1]. L L Song, et al. Cancer chemopreventive activity mediated by 4′-bromoflavone, a potent inducer of phase II detoxification enzymes. Cancer Res. 1999 Feb 1;59(3):578-85.

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