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白三烯研究进展及其在婴幼儿喘息性疾病中的作用 被引量:94

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摘要 一、白三烯(Leukotrienes,LTs)生物合成及生物学效应的研究进展1.LTs的跨细胞合成:LTs由细胞膜和核膜的脂质双层在磷脂酶A2作用下产生花生四烯酸(AA),从经5-脂氧酶(5-lipoxygenase,5-LO)途径代谢生成LTs,LTs的生物合成途径见图1。由于白三烯C4(LTC4)、白三烯D4(LTD4)和白三烯E4(LTE4)均含有半胱氨酰基,因而被统称为半胱氨酰白三烯(Cysteinyl leukotrienes,CysLTs)。多种细胞参与LTs的合成过程,包括中性粒细胞、单核细胞、嗜酸性粒细胞(EOS)、肥大细胞和嗜碱性粒细胞甚至气道结构细胞,不同的细胞合成LTs的方式、种类和数量各异。
出处 《中华儿科杂志》 CAS CSCD 北大核心 2006年第7期553-556,共4页 Chinese Journal of Pediatrics
基金 广州市科学技术局资助项目(2005j1-c0305) 广州市教育局资助项目(1042)
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