Artesunate is the sodium salt of the hemisuccinate ester of artemisinin. It is soluble in water but has poor stability in aqueous solutions at neutral or acid pH. In the injectable form, artesunic acid is drawn up in sodium bicarbonate to form sodium artesunate immediately before injection.
青蒿琥酯是一种疟原虫红内期无性体快速杀虫剂。它对抗氯喹的恶性疟原虫有效,并能迅速控制疟疾急性发作,常用于脑型、黄疸型等凶险性疟疾以及恶性疟的治疗。
作用机制青蒿琥酯的作用机制主要通过青蒿素实现。它首先影响疟原虫的食物泡膜、表膜和线粒体,随后作用于核膜、内质网,并对核内染色质产生一定影响。青蒿素最先作用于食物泡膜,从而阻断了营养摄取,使疟原虫较快出现氨基酸饥饿现象,迅速形成自噬泡并不断排出体外,损失大量胞质而死亡。
青蒿琥酯在体内和体外实验中均表现出对疟疾的良好杀灭效果。其通过影响疟原虫红内期的超微结构,改变膜系结构,阻断了营养摄取,使疟原虫快速丧失大量胞浆与营养物质,并无法得到补充而死亡。青蒿素通过其内过氧化物(双氧)桥作用产生局部活性氧,引起线粒体膜去极化,进而诱导细胞凋亡。
剂量和用法 粉针剂Efferth T等人通过体外实验研究发现青蒿琥酯具有显著的肿瘤细胞杀伤作用且不易产生耐药性。研究表明,青蒿琥酯可通过抑制肿瘤细胞增殖、诱导分化和凋亡、调控信号转导通路等多种机制发挥抗肿瘤作用。
用途中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
双氢青蒿素 | dihydroartesiminin | 81496-81-3 | C15H24O5 | 284.353 |
—— | dihydroartemisinin | 71939-50-9 | C15H24O5 | 284.353 |
双氢青蒿素 | dihydroartemisinin | 71939-50-9 | C15H24O5 | 284.353 |
—— | dihydroartemisinin | 71939-50-9 | C15H24O5 | 284.353 |
青蒿素 | Artemisinin | 63968-64-9 | C15H22O5 | 282.337 |
—— | artemisinin | —— | C15H22O5 | 282.337 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | REI 230 | —— | C34H50O12 | 650.764 |
—— | 10α-dihydroartemisinyl butanoate | —— | C19H30O6 | 354.444 |
—— | TF 27 | —— | C53H80O16 | 973.209 |
—— | [(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl] 4-oxo-4-[8-[[4-oxo-4-[[(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl]oxy]butanoyl]amino]octylamino]butanoate | 1398712-89-4 | C46H72N2O14 | 877.083 |
—— | [(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl] 4-[[2-hydroxy-3-[[4-oxo-4-[[(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl]oxy]butanoyl]amino]propyl]amino]-4-oxobutanoate | 1398712-87-2 | C41H62N2O15 | 822.948 |
—— | 10α-dihydroartemisininyl 2-(3,3-dimethyl-6-(prop-1-en-2-yl)-1,2,4-trioxa-5-yl)ethyl butanedioate | 1158439-52-1 | C29H44O11 | 568.662 |
—— | Butanoic acid, 4,4 inverted exclamation marka-[1,3-phenylene(methyleneimino)]bis[4-oxo-, 1,1 inverted exclamation marka-bis[(3R,5aS,6R,8aS,9R,10S,12R,12aR)-decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10-yl] ester | 1398712-88-3 | C46H64N2O14 | 869.019 |
—— | (3R,5aS,6R,8aS,9R,10S,12R,12aR)-3,6,9-trimethyldecahydro-3H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl 4-((4-hydroxyphenethyl)amino)-4-oxobutanoate | —— | C27H37NO8 | 503.593 |
—— | 1-O-[2-(6-prop-1-en-2-ylspiro[1,2,4-trioxane-3,2'-adamantane]-5-yl)ethyl] 4-O-[(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl] butanedioate | 1158439-74-7 | C36H52O11 | 660.802 |
—— | methyl (2S)-1-[4-oxo-4-[[(1R,4S,5R,8S,9R,10S,12R,13R)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecan-10-yl]oxy]butanoyl]pyrrolidine-2-carboxylate | —— | C25H37NO9 | 495.57 |
—— | (3R,5aS,6R,8aS,9R,10S,12R,12aR)-3,6,9-trimethyldecahydro-3H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl 4-(((S)-3-(1H-indol-3-yl)-1-methoxy-1-oxopropan-2-yl)amino)-4-oxobutanoate | —— | C31H40N2O9 | 584.667 |
—— | deoxydihydroqinghaosu | 72807-92-2 | C15H24O4 | 268.353 |