287194-40-5
- CAS号:287194-40-5
- 英文名:DEHYDROXYMETHYLEPOXYQUINOMICIN
- 中文名:287194-40-5
- CBNumber:CB8419477
- 分子式:C13H11NO5
- 分子量:261.23
- MOL File:287194-40-5.mol
- 熔点 :187 °C
- 沸点 :617.2±55.0 °C(Predicted)
- 密度 :1.58±0.1 g/cm3(Predicted)
- 储存条件 :Store at -20°C
- 溶解度 :DMSO : ≥ 32 mg/mL (122.50 mM)
- 酸度系数(pKa) :8.43±0.30(Predicted)
- 形态 :Solid
- 颜色 :Off-white to gray
287194-40-5性质、用途与生产工艺
- 生物活性 (-)-DHMEQ (Dehydroxymethylepoxyquinomicin) 是一种有效，选择性且不可逆的 NF-κB 抑制剂，与半胱氨酸残基共价结合。(-)-DHMEQ 抑制 NF-κB 的核易位，并显示抗炎和抗癌活性。
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靶点
RelA
RelB
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体外研究
(-)-DHMEQ (Dehydroxymethylepoxyquinomicin; 2-10 μg/mL; 12-48 hours) treatment significantly reduces the viability of all cell lines in a dose- and time-dependent manner, whereas the effect is not significant in a control cell line K562 without constitutive NF-κB activity.
(-)-DHMEQ (10 μg/mL; 0-48 hours; TL-Om1, MT-1 and K562 cells) treatment significantly increases the Annexin V-positive cells in MT-1 and TL-Om1 cell lines.
(-)-DHMEQ (10 μg/mL; 4-16 hours; MT-1 cells) treatment down-regulates Bcl-xL, Bcl-2, c-myc, cyclin D1, Rb, and p53, and up-regulates proapoptotic genes such as caspase-3, -8, and-9.
(-)-DHMEQ treatment increases cells in G0 /G1 phase in a time-dependent manner, demonstrating antiproliferative effects of (-)-DHMEQ.
(-)-DHMEQ binds to p65, cRel, RelB, and p50, but not to p52 at specific cysteine residues. (-)-DHMEQ inhibits not only DNA-binding of RelB, but also its interaction to importin. (-)-DHMEQ also induces instability of RelB.Cell Proliferation Assay
Cell Line: TL-Om1, MT-1, KK-1, ST-1 and K562 cells Concentration: 2 μg/mL, 5 μg/mL, 10 μg/mL Incubation Time: 12 hours, 24 hours, 48 hours Result: Significantly reduced the viability of all cell lines in a dose- and time-dependent manner. Apoptosis Analysis
Cell Line: TL-Om1, MT-1 and K562 cells Concentration: 10 μg/mL Incubation Time: 0 hours, 24 hours, 48 hours Result: Annexin V-positive cells were significantly increased after 24 to 48 hours. Western Blot Analysis
Cell Line: MT-1 cells Concentration: 10 μg/mL Incubation Time: 4 hours, 8 hours, 16 hours Result: Annexin V-positive cells were significantly increased after 24 to 48 hours. -
体内研究
(-)-DHMEQ (Dehydroxymethylepoxyquinomicin; 4 mg/kg or 12 mg/kg; intraperitoneal injection; on day 0 and 3 times a week; for one month; SCID mice) treatment shows a significant increase in the survival rate in mice.
Animal Model: Male C.B17-scid/scid (5 weeks old) mice injected with MT-2 cells Dosage: 4 mg/kg or 12 mg/kg Administration: Intraperitoneal injection; on day 0 and 3 times a week; for one month Result: Showed a significant increase in the survival rate in mice.
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