Dimethylcurcumin (ASC-J9, Dimethyl curcumin, GO-Y025) 是一种雄激素受体 (AR) 降解促进剂,通过降解全长和剪接变异体的雄激素受体来抑制去势抵抗性前列腺癌的生长。
靶点Target | Value |
---|---|
AR |
Dimethylcurcumin (ASC-J9) 能以剂量依赖的方式降解 fAR 和 AR3,抑制多种人类前列腺癌细胞系 (PCa) 的细胞增殖。它还可以有效抑制 CWR22Rv1-fARKD 细胞中的 AR 目标基因。在所有三个 PCa 细胞系中,5 或 10 µM Dimethylcurcumin (ASC-J9) 显著抑制了 DHT 引起的细胞生长。Dimethylcurcumin (ASC-J9) 通过破坏 AR 与共调节因子之间的相互作用来选择性地促进 AR 的降解,并抑制 C81 和 C4-2 细胞中的 fAR 和异位 AR3,从而抑制 AR 目标基因和细胞增殖。此外,Dimethylcurcumin (ASC-J9) 还能减少在细胞中积聚的 AR-112Q 蛋白,并抑制 SBMA PC12/AR-112Q 细胞中的 AR-112Q 纳米聚集。
体内研究给药 Dimethylcurcumin (ASC-J9) (75 mg/kg,腹腔注射) 可在异种移植肿瘤中选择性降解 fAR 和 AR3,并显著降低 Ki67 阳性细胞数量。Dimethylcurcumin (ASC-J9) (50 mg/kg 每 48 小时腹腔注射) 能够明显缓解 AR-97Q 小鼠的 SBMA 症状,改善神经肌肉病理表现,并使血清睾酮浓度保持正常水平。与接受经典 ADT/去势治疗的小鼠相比,Dimethylcurcumin (ASC-J9) 治疗小鼠的前列腺肿瘤体积显著减小,且血清和雄激素水平较低。
化学性质Dimethylcurcumin 可溶于甲醇、乙醇、DMSO 等有机溶剂。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | curcumin | —— | C21H20O6 | 368.386 |
—— | curcumin | 147556-16-9 | C21H20O6 | 368.386 |
—— | curcumin | 115851-80-4 | C21H20O6 | 368.386 |
二甲氧基姜黄素 | 4',4''-O,O-dimethylcurcumin | 160096-59-3 | C23H24O6 | 396.44 |
姜黄素 | curcumin | 458-37-7 | C21H20O6 | 368.386 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (1E,4E,6E)-4-fluoro-5-hydroxy-1,7-bis(3,4-dimethoxyphenyl)hepta-1,4,6-trien-3-one | 1384274-55-8 | C23H23FO6 | 414.43 |
—— | (1E,4Z,6E)-1,7-bis(3,4-dimethoxyphenyl)-5-hydroxy-4-[(E)-3-phenylprop-2-enyl]hepta-1,4,6-trien-3-one | 1039760-76-3 | C32H32O6 | 512.602 |
—— | (1E,4Z,6E)-1,7-bis(3,4-dimethoxyphenyl)-5-hydroxy-4-prop-2-ynylhepta-1,4,6-trien-3-one | 1039760-74-1 | C26H26O6 | 434.489 |
—— | (3Z,5E)-6-(3,4-dimethoxyphenyl)-3-[(E)-3-(3,4-dimethoxyphenyl)prop-2-enoyl]-4-hydroxyhexa-3,5-dienamide | 1039760-72-9 | C25H27NO7 | 453.492 |
—— | 7-(3,4-dimethoxyphenyl)-4-[3-(3,4-dimethoxyphenyl)-acryloyl]-5-hydroxy-hepta-2,4,6-trienoic acid ethyl ester | 884506-35-8 | C28H30O8 | 494.541 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(hydroxymethylene)hepta-1,6-diene-3,5-dione | 1257441-71-6 | C24H24O7 | 424.45 |
—— | (1E,4Z,6E)-1,7-bis(3,4-dimethoxyphenyl)-5-hydroxy-4-[2-(methoxymethoxy)prop-2-enyl]hepta-1,4,6-trien-3-one | 1038864-69-5 | C28H32O8 | 496.557 |
—— | (1E,4Z,6E)-5-(diethylamino)-1,7-bis(3,4-dimethoxyphenyl)hepta-1,4,6-trien-3-one | 1039760-65-0 | C27H33NO5 | 451.563 |
—— | (1E,6E)-4-Allyl-1,7-bis-(3,4-dimethoxy-phenyl)-hepta-1,6-diene-3,5-dione | 98886-34-1 | C26H28O6 | 436.505 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(4-hydroxybenzylidene)hepta-1,6-diene-3,5-dione | 1257441-55-6 | C30H28O7 | 500.548 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(4-hydroxy-3-methoxybenzylidene)hepta-1,6-diene-3,5-dione | 1227098-15-8 | C31H30O8 | 530.574 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(2-hydroxyethyl)hepta-1,6-diene-3,5-dione | 1111745-10-8 | C25H28O7 | 440.493 |
四甲基姜黄素 | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione | 52328-97-9 | C25H28O6 | 424.494 |
—— | (1E,6E)-4,4-difluoro-1,7-bis(3,4-dimethoxyphenyl)hepta-1,6-diene-3,5-dione | 1384274-56-9 | C23H22F2O6 | 432.421 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(4-fluorobenzylidene)hepta-1,6-diene-3,5-dione | 1257441-54-5 | C30H27FO6 | 502.539 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(4-ethylbenzylidene)hepta-1,6-diene-3,5-dione | 1257441-57-8 | C32H32O6 | 512.602 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(3,4,5-trimethoxybenzylidene)hepta-1,6-diene-3,5-dione | 1227098-18-1 | C33H34O9 | 574.628 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(3-fluorobenzylidene)hepta-1,6-diene-3,5-dione | 1257441-53-4 | C30H27FO6 | 502.539 |
—— | (1E,6E)-1,7-bis(3,4-dimethoxyphenyl)-4-(4-(dimethylamino)-benzylidene)hepta-1,6-diene-3,5-dione | 1227098-27-2 | C32H33NO6 | 527.617 |
—— | ethyl (E)-6-(3,4-dimethoxyphenyl)-3-[(E)-3-(3,4-dimethoxyphenyl)prop-2-enoyl]-4-oxohex-5-enoate | 1039760-60-5 | C27H30O8 | 482.53 |
—— | (1E,6E)-4-(2,5-dimethoxybenzylidene)-1,7-bis(3,4-dimethoxyphenyl)hepta-1,6-diene-3,5-dione | 1257441-59-0 | C32H32O8 | 544.601 |
—— | (E)-6-(3,4-Dimethoxyphenyl)-3-((E)-3-(3,4-dimethoxyphenyl)acryloyl)-N,N-diethyl-4-oxohex-5-enamide | 1039760-61-6 | C29H35NO7 | 509.599 |
—— | (1E,6E)-4-(2,3-dimethoxybenzylidene)-1,7-bis(3,4-dimethoxyphenyl)hepta-1,6-diene-3,5-dione | 1257441-58-9 | C32H32O8 | 544.601 |
—— | (1E,6E)-4-(2,4-dimethoxybenzylidene)-1,7-bis(3,4-dimethoxyphenyl)hepta-1,6-diene-3,5-dione | 1257441-60-3 | C32H32O8 | 544.601 |
The conversion of arylaldehydes to 1,7-diaryl-5-hydroxyhepta-1,4,6-trien-3-ones (curcuminoids) and the mechanochemical cyclization of these products to 2,2-difluoro-4,6-bis(β-styryl)-1,3,2-dioxaborines using BF3-Et2O are described. Investigation of the cyanide ion sensing ability of the 2,2-difluoro-4,6-bis(β-styryl)-1,3,2-dioxaborines, in relation to the substituent groups on the aryl ring, showed that a hydroxy susbstituent is required, preferably