独活内酯 TL0013

Product Introduction
Bioactivity


英文名: Heraclenin

描述: Heraclenin 是一种天然呋喃香豆素。它浓度依赖性的靶向激活的 T 细胞核因子 (NFAT) ，抑制人原代 T 细胞中 T 细胞受体介导的增殖。

体外活性: METHODS AND RESULTS:Heraclenin, a furocoumarin with an epoxide group in its side chain, was analyzed to see if it induced structural chromosome aberrations and sister-chromatid exchanges (SCEs) in human lymphocytes in vitro. The results were compared directly with those of imperatorin, which differs from Heraclenin only in lacking an epoxide group. An equally strong clastogenic effect was found for both Heraclenin and imperatorin: the number of metaphases with breaks was increased in both cases by approximately a factor of 6. Heraclenin produced a considerable dose-dependent increase in the SCE rate, i.e., by about 60 induced SCEs/metaphase, whereas imperatorin induced only about 4 SCEs/metaphase. CONCLUSIONS: The results are discussed with respect to the occurrence of structural aberrations, which are primarily due to the basic furocoumarin structure itself, whereas the large increase in the SCE rate produced by Heraclenin is most probably significantly influenced by its epoxide group.

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 25 mg/mL (87.33 mM)


关键字: Heraclenin | inhibit | Inhibitor

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