康普瑞汀A4是一种有效的微管蛋白聚合抑制剂,对肿瘤细胞生长具有很强的抑制活性。它能够抑制多种细胞系的肿瘤生长,包括IMR32(神经母细胞瘤)、Hs746T(胃癌)、CFPAC-1(胰腺癌)和MCF-7(乳腺癌),IC50值分别为2.16、5.20、3.46和18.47 nM。CA4抑制微管蛋白聚合,IC50值为2.2 μM。
药理作用康普瑞汀A4具有抑制血管生成、抑制肿瘤生长及抗癌的作用。
作用机理CA4在体内靶向微管蛋白,抑制其聚合,并进一步破坏肿瘤血管,从而起到抗肿瘤作用。它已在多种肿瘤模型上显示了有效性。CA4对正常细胞影响较小,选择性地破坏肿瘤组织血管内皮细胞,导致这些细胞的死亡和肿瘤组织血管闭合,最终造成肿瘤低氧和乏氧。
生物活性康普瑞汀A4是一种以微管蛋白为靶点的试剂,其与β-微管蛋白结合,Kd值为0.4 μM。Phase 3研究显示了其生物活性。
靶点 | 值 |
---|---|
β-tubulin | 0.4 μM(Kd) |
康普瑞汀A4能够抑制MDA-MB-231、A549、Hela、HL-60、SF295、HCT-8、MDA-MB435、PC3M、OVCAR-8、NCI-H358M及淋巴细胞的生长,IC50值分别为2.8、3.8、0.9、2.1、6.2、5.3、7.9、4.7、0.37、8和3.2 nM。1 μM康普瑞汀A4能够抑制35%微管蛋白聚合,而10 μM几乎完全阻断微管蛋白聚合。它表现出高的相对结合能力,达到秋水仙碱结合力的78%。
体内研究在NT2和MDA-MB-231乳腺肿瘤模型中,康普瑞汀A4 (100 mg/kg, i.p.)诱导脂质R1显著减少,并通过电子顺磁共振(EPR)血氧定量法测得pO2下降。此外,在雄性NMRI小鼠体内研究显示,康普瑞汀A4 (100 mg/kg, i.p.)显著减少了K值。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | combretastatin A-4 | 438534-81-7 | C18H20O5 | 316.354 |
—— | trans-combretastatin A-4 | 117048-62-1 | C18H20O5 | 316.354 |
—— | 3,4,5-trimethoxy styrene | 13400-02-7 | C11H14O3 | 194.23 |
—— | 1,2,3-trimethoxy-5-[(Z)-2-[4-methoxy-3-(methoxymethoxy)phenyl]ethenyl]benzene | 1204138-88-4 | C20H24O6 | 360.407 |
—— | 5-(2,2-dibromovinyl)-1,2,3-trimethoxybenzene | 77295-62-6 | C11H12Br2O3 | 352.022 |
3,4,5-三甲氧基苄醇 | (3,4,5-trimethoxyphenyl)methanol | 3840-31-1 | C10H14O4 | 198.219 |
5-溴甲基-1,2,3-三甲氧基苯 | 3,4,5-trimethoxybenzyl bromide | 21852-50-6 | C10H13BrO3 | 261.115 |
3,4,5-三甲氧基苯甲醛 | 3,4,5-trimethoxy-benzaldehyde | 86-81-7 | C10H12O4 | 196.203 |
3,4,5-三甲氧基苄氯 | 5-(chloromethyl)-1,2,3-trimethoxybenzene | 3840-30-0 | C10H13ClO3 | 216.664 |
3.4.5-三甲氧基苯乙炔 | 3,4,5-trimethoxyphenylacetylene | 53560-33-1 | C11H12O3 | 192.214 |
—— | (Z)-5-(2'-bromoethenyl)-2-methoxyphenol | 388566-84-5 | C9H9BrO2 | 229.073 |
—— | 5-(2',2'-dibromoethenyl)-2-methoxyphenol | 388566-82-3 | C9H8Br2O2 | 307.969 |
—— | (Z)-tert-butyl(2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy)dimethylsilane | 121042-95-3 | C24H34O5Si | 430.616 |
—— | 3-tert-butyldimethylsilyloxy-3',4,4',5'-tetramethyloxystilbene | 847063-26-7 | C24H34O5Si | 430.616 |
—— | (E)-1-(3',4',5'-Trimethoxyphenyl)-2-(4''-methoxy-3''-tert-butyldimethylsiloxyphenyl)ethene | 121042-96-4 | C24H34O5Si | 430.616 |
—— | 2-methoxy-5-((3,4,5-trimethoxyphenyl)ethynyl)phenol | 185698-55-9 | C18H18O5 | 314.338 |
—— | (Z)-2-methoxy-5-(3,4,5-trimethoxystyryl)phenyl (4-nitrophenyl)carbonate | —— | C25H23NO9 | 481.459 |
3,4,5-三甲氧基苯乙酸 | 3,4,5-trimethoxyphenyl acetic acid | 951-82-6 | C11H14O5 | 226.229 |
(E)-2-(3-羟基-4-甲氧基-苯基)-3-(3,4,5-三甲氧基苯基)丙-2-烯酸 | (E)-2-(3-hydroxy-4-methoxyphenyl)-3-(3,4,5-trimethoxyphenyl)acrylic acid | 869497-71-2 | C19H20O7 | 360.364 |
—— | (E)-3-(3’-hydroxy-4’-methoxyphenyl)-2-(3”,4”,5”-trimethoxyphenyl)-2-propenoic acid | 388566-86-7 | C19H20O7 | 360.364 |
—— | 3-(3-hydroxy-4-methoxyphenyl)-2-(3,4,5-trimethoxyphenyl)acrylic acid | 1152037-40-5 | C19H20O7 | 360.364 |
2,3,4-三甲氧基苯甲醛 | 2,3,4-trimethoxybenzaldehyde | 2103-57-3 | C10H12O4 | 196.203 |
—— | (Z)-4,4,5,5-tetramethyl-2-(3,4,5-trimethoxystyryl)-1,3,2-dioxaborolane | 1423711-58-3 | C17H25BO5 | 320.193 |
—— | phenstatin | 203448-32-2 | C17H18O6 | 318.326 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | trans-combretastatin A-4 | 117048-62-1 | C18H20O5 | 316.354 |
—— | 2-{2-Methoxy-5-[(Z)-2-(3,4,5-trimethoxy-phenyl)-vinyl]-phenoxy}-ethanol | 859511-46-9 | C20H24O6 | 360.407 |
—— | 5-[(Z)-2-[3-(3-bromopropoxy)-4-methoxyphenyl]ethenyl]-1,2,3-trimethoxybenzene | 1434133-49-9 | C21H25BrO5 | 437.331 |
—— | 3'-O-[2''-(N,N-dimethylamino)ethyl]-combretastatin A-4 | —— | C22H29NO5 | 387.476 |
—— | (Z)-3,4,5-trimethoxy-3'-benzyloxy-4'-methoxystilbene | —— | C25H26O5 | 406.478 |
—— | (Z)-2-(2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy)acetic acid | 763903-09-9 | C20H22O7 | 374.39 |
—— | 3'-O-[2''-(N,N-diethylamino)ethyl]-combretastatin A-4 | —— | C24H33NO5 | 415.53 |
—— | (Z)-16-[2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy]hexadecanoic acid | —— | C34H50O7 | 570.767 |
—— | 3'-O-[2''-(N-morpholino)ethyl]-combretastatin A-4 | —— | C24H31NO6 | 429.513 |
—— | 3'-O-[2''-(N-pyrrolidinyl)ethyl]-combretastatin A-4 | —— | C24H31NO5 | 413.514 |
—— | methyl (Z)-16-[2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy]hexadecanoate | —— | C35H52O7 | 584.794 |
—— | methyl (Z)-11-[2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy]undecanoate | —— | C30H42O7 | 514.659 |
—— | (Z)-ethyl-2-(2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy)acetate | 1403383-57-2 | C22H26O7 | 402.444 |
—— | 3'-O-[2''-(N-methylpiperazinyl)ethyl]-combretastatin A-4 | —— | C25H34N2O5 | 442.555 |
—— | 1-[3-[2-methoxy-5-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]phenoxy]propyl]piperazine | 1434133-51-3 | C25H34N2O5 | 442.555 |
—— | 3'-O-[2''-(N-piperidinyl)ethyl]-combretastatin A-4 | —— | C25H33NO5 | 427.541 |
—— | 3'-O-[2''-(N-pyrrollyl)ethyl]-combretastatin A-4 | —— | C24H27NO5 | 409.482 |
—— | 3'-O-[2''-(1H-imidazol-1-yl)ethyl]-combretastatin A-4 | —— | C23H26N2O5 | 410.47 |
3,4,5-三甲氧基苯甲腈 | 3,4,5-trimethoxybenzonitrile | 1885-35-4 | C10H11NO3 | 193.202 |
—— | 3'-Carboxypropionyl-(Z)-combretastatin A-4 | —— | C22H24O8 | 416.428 |
康布瑞汀磷酸二钠 | combretastatin A-4 phosphate | 222030-63-9 | C18H21O8P | 396.334 |
—— | Trans-combretastatin A-4 phosphate (*disodium salt*) | —— | C18H21O8P | 396.334 |
—— | 3'-O-[2''-(2''-pyridyl)ethyl]-combretastatin A-4 | —— | C25H27NO5 | 421.493 |
2-甲氧基-5-[2-(3,4,5-三甲氧基苯基)乙基]苯酚 | erianin | 95041-90-0 | C18H22O5 | 318.37 |
—— | (Z)-2-methoxy-5-(3,4,5-trimethoxystyryl)phenyl (4-nitrophenyl)carbonate | —— | C25H23NO9 | 481.459 |
—— | tert-butyl 4-[3-[2-methoxy-5-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]phenoxy]propyl]piperazine-1-carboxylate | 1434133-50-2 | C30H42N2O7 | 542.673 |
—— | 5-[(2S)-6-oxo-3,6-dihydro-2H-pyran-2-yl]pentyl (Z)-4-[2-methoxy-5-(3,4,5-trimethoxystyryl)phenoxy]butanoate | —— | C32H40O9 | 568.664 |