(E,E)-ビス(2-ヒドロキシベンジリデン)アセトン(2-HBA)2-HBA

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H302：飲み込むと有害

  H315：皮膚刺激

  H319：強い眼刺激

  H335：呼吸器への刺激のおそれ

• 注意書き

  P261：粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P301+P312：飲み込んだ場合：気分が悪い時は医師に連絡する こと。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

(E,E)-ビス(2-ヒドロキシベンジリデン)アセトン(2-HBA)2-HBA 価格

(E,E)-ビス(2-ヒドロキシベンジリデン)アセトン(2-HBA)2-HBA 化学特性,用途語,生産方法

• 説明

  Nrf2 activation of the antioxidant response element (ARE) is central to cytoprotective gene expression against oxidative and/or electrophilic stress. Unless activated by inflammatory, environmental, or oxidative stressors, Nrf2 is sequestered in the cytoplasm by its repressor, Keap1. Because of its protective capabilities, small molecules that activate Nrf2 signaling are being examined as potential anti-cancer or anti-inflammatory agents. 2-HBA, a synthetic analog of curcumin, is an indirect inducer of enzymes that catalyze detoxification reactions through the Keap1-Nrf2-ARE pathway. As a double Michael reaction acceptor, 2-HBA can directly modify cysteine sulfhydryl groups in Keap1 and consequently suppress Nrf2 ubiquitination, which leads to enhanced expression of antioxidative and cytoprotective enzymes. 2-HBA doubles the specific activity of NAD(P)H:quinone acceptor oxidoreductase 1 (NQO1) in Hepa1c1c7 cells at 0.15 μM. In rapidly dividing mouse leukemia L1210 cells, 0.6 μM 2-HBA increases the activities of NQO1, glutathione reductase, and the levels of total glutathione. At 5-15 μM, 2-HBA causes G₂/M cell cycle arrest and p53-independent, caspase 3-mediated apoptosis.

• 使用

  (E,E)-Bis(2-hydroxybenzylidene)acetone (2-HBA) is a synthetic analogue of curcumin that displays strong NAD(P)H:quinone reductase (NQO1) inducer potency in Hepa 1c1c7 cells. 2-HBA, a double Michael reaction acceptor, can directly modify cysteine sulfhydryl groups in Keap1 and consequently suppress Nrf2 ubiquitination which in turn enhances the expression of antioxidative and cytoprotective enzymes. 2-HBA has also been shown to cause G2/M cell cycle arrest and p53-independent, caspase 3-mediated apoptosis.

(E,E)-ビス(2-ヒドロキシベンジリデン)アセトン(2-HBA)2-HBA 生産企業

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