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红斑红素

红斑红素,514-67-0,结构式
红斑红素
  • CAS号:514-67-0
  • 英文名:RUBROPUNCTATIN
  • 中文名:红斑红素
  • CBNumber:CB71267988
  • 分子式:C21H22O5
  • 分子量:354.4
  • MOL File:514-67-0.mol
红斑红素化学性质
  • 熔点 :156.5-157.0 °C (decomp)(Solv: ethyl ether (60-29-7))
  • 沸点 :638.8±55.0 °C(Predicted)
  • 密度 :1.23±0.1 g/cm3(Predicted)
  • 形态 :Solid
  • 颜色 :Yellow to orange

红斑红素性质、用途与生产工艺

  • 生物活性 Rubropunctatin 是一种从红曲霉发酵米(红霉米)提取物中分离出来的橙色的氮杂酮类色素。 Rubropunctatin 具有抗炎,免疫抑制和抗氧化作用,还具有抗肿瘤活性。
  • 体外研究

    Rubropunctatin (1.5-30 μM; 24 h) shows selective tumoricidal effect on the human gastric carcinoma BGC-823 cells and no significant toxicity toward normal epithelial cell GES-1.
    Rubropunctatin (5-30 μM; 6-24 h) induces apoptosis in a dose- and time-dependent manner in BGC-823 cells.
    Rubropunctatin (0.75-8.0 µg/ml) exhibits DDPH radical scavenging activity, inhibition of super oxide radical generation and ferric reducing activity.

    Cell Viability Assay

    Cell Line: BGC-823 and GES-1cells
    Concentration: 1.5, 3, 6, 12, 15, 18, 30 μM
    Incubation Time: 24 hours
    Result: Decreased the viability of BGC-823 cells with an IC 50 of 12.57 μM for 24 h.
    Did not show obvious cytotoxic effects on the normal cells.

    Cell Cycle Analysis

    Cell Line: BGC-823 cells
    Concentration: 0, 5, 10, 30 μM
    Incubation Time: 0, 6, 12, 24 hours
    Result: Increased the percentage of cells in sub-G1 phase in a dose- and time-dependent manner.
  • 体内研究

    Rubropunctatin (8-32 mg/kg; i.v. for 5 times) has anti-tumor effect mice.
    Rubropunctamine inhibits 12- O -tetradecanoylphorbol-13-acetate (TPA)-induced inflammation in mice, with an ID 50 of 0.11 mg/ear.

    Animal Model: Male nude mice (5 weeks) are inoculated with BGC-823 cells
    Dosage: 8, 32 mg/kg
    Administration: I.v. five times (day 1st, 4th, 7th, 10th, and 13th)
    Result: Diminished the tumor volume by 11.1% (8 mg/kg) and 24.2% (32 mg/kg).
    Reduced the tumor weight by 23.5% (8 mg/kg) and 37.7% (32 mg/kg).
    No significant difference was observed on the body weight.
红斑红素上下游产品信息
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