- 英文名称
- Withaferin A
- 分子式
- C28H38O6
- 分子量
- 470.6
- 中文别名
- 霜抑素A; 醉茄素; (4S,4aR,5aR,6aS,6bS,9R,9aS,11aS,11bR)-4-羟基-9-((S)-1-((R)-5-(羟甲基)-4-甲基-6-氧代-3,6-二氢-2H-吡喃-2-基)乙基)-9a,11b二甲基-5a,6,6a,6b,7,8,9,9a,10,11,11a,11b十二氢环戊[1,2]菲[8a,9-b]氧-1(4H)-酮; Withaferine; 5,6-beta-epoxy-4-beta,22,27-trihydroxy-1-5-beta-ergosta-24-dien-26-oicacid delta-lactone,(20s,22r)-oxo; (20S,22R)-5,6β-Epoxy-4β,22,27-trihydroxy-1-oxo-5β-ergosta-2,24-dien-26-oic Acid δ-Lactone; 5,6-Epoxy-4,27-dihydroxy-1-oxowitha-2,24-dienolide; (4β,5β,6β,22R)-4,27-Dihydroxy-5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione; 5,6-Epoxy-4,22,27-trihydroxy-1-oxoergosta-2,24-dien-26-oic Acid d-Lactone; (4b,5b,6b,22R)-5,6-Epoxy-4,22,27-trihydroxy-1-oxoergosta-2,24-dien-26-oic acid d-lactone; 4b,27-Dihydroxy-1-oxo-5b,6b-epoxywitha-2,24-dienolide; (4S,4aR,5aR,6aS,6bS,9R,9aS,11aS,11bR)-4-Hydroxy-9-((S)-1-((R)-5-(hydroxymethyl)-4-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-9a,11b-dimethyl-5a,6,6a,6b,7,8,9,9a,10,11,11a,11b-dodecahydrocyclopenta[1,2]phenanthro[8a,9-b]oxiren-1(4H)-one
- 用途
- 化学合成；具有生物活性，可通过对硫代烷基化敏感的氧化还原机制阻止肿瘤坏死因子诱导的 IκB 激酶β的激活，抑制 NF-κB 激活；可与中间丝状体蛋白 vimentin 结合，具有抗肿瘤和抗血管生成活性；体外研究显示其有抗炎活性，能抑制 NF-κB 激活，诱导 vimentin 聚集和碎片化，降低 ALDH1 阳性癌症干细胞的致瘤潜力；体内研究表明其可抑制血管生成，与顺铂联合使用可调节 ALDH1 标记物表达并下调肿瘤中 securin 的表达。
