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黏附分子CD11b/CD18在新生儿肺部炎症中的作用机制

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摘要 新生儿肺部炎症是新生儿常见的呼吸系统疾病,近年来研究发现其发病与黏附分子CD11b/CD18的作用密切相关。CD11b/CD18是黏附分子中132整合素的一种,主要表达于单核-巨噬细胞、粒细胞、NK细胞等,可介导肺泡巨噬细胞对革兰阴性细菌及其胞壁成分脂多糖的吞噬作用,同时分泌白介素-1β(IL-1β)、IL-8等细胞因子。CD11b/CD18还与选择素、IL-8等共同介导了中性粒细胞从血循环向炎症灶的运动过程。结合新生儿本身特点,研究CD11b/CD18在新生儿肺部炎症中的作用,将有助于认识新生儿肺部炎症发生、发展和转归的内在机制,并为临床应用提供理论依据。
作者 康利民 曹蕾
出处 《国际儿科学杂志》 2004年第S1期14-16,共3页 International Journal of Pediatrics
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