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产品价格:电议      采购度:1308      原产地:美洲
发布时间:2022/1/21 18:38:30 所属地区:国外 国外
简要描述:
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。
标签:bromoflavone
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CAS No. : 20525-20-6
MCE 站:4′-Bromoflavone
产品活性: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。
研究领域:Others
作用靶点:Others
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.
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.
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).
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.
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更新时间:2024/1/2 10:19:52
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