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非甾体抗炎药及其作用机制研究新进展 被引量:2

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摘要 非甾体抗炎药(NSAID)通过抑制合成前列腺素(PG)的酶-环氧合酶(COX)而产生治疗作用,它们或多或少都有着共同的不良反应,包括胃肠道毒性和肾毒性.近年来研究表明至少有两种COX同工酶:COX-1和COX-2.其中COX-1是一种存在于组织中的组成性同工酶,它能合成PG保护胃、肾免受损害;COX-2由炎症刺激如细胞因子等诱导产生,它能合成与炎症肿痛有关的PG.因此,选择性COX-2抑制剂有抗炎作用,但对胃、肾无不良反应.另外,有研究表明选择性COX-2抑制剂可能具有新的治疗作用,如抗癌、预防早产,甚至可以缓解阿尔茨海默病.
出处 《国外医药(合成药.生化药.制剂分册)》 2002年第4期195-197,共3页 World Pharmacy
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