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Quinine

奎寧

Mechanism of action:

Quinine 是一種金雞納生物鹼(cinchona alkaloid),萃取自金雞納樹(Cinchona)的樹皮。瘧原蟲在紅血球內會分解血紅素以獲取胺基酸,過程中會產生具高度毒性的游離血基質(heme)。正常情況下,瘧原蟲會將血基質聚合為無毒的瘧色素(hemozoin)。Quinine 能抑制游離血基質轉變為瘧色素,使寄生蟲體內累積血基質,導致死亡。

​Reference(s):

Paintaud G et al. (1994). The concentration-effect relationship of quinine-induced hearing impairment. Clin Pharmacol Ther.

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