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地塞米松对哮喘大鼠嗜酸性粒细胞中p53表达的影响 被引量:3

Effect of dexamethasone on p53 expression in the eosinophil of asthmatic rats
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摘要 目的:研究支气管哮喘支气管肺泡灌洗液(BALF)嗜酸性粒细胞中凋亡相关基因p53的表达以及地塞米松对其的作用及其机制。方法:将36只大鼠随机分为对照组、哮喘组和激素组,并对其BALF的嗜酸性粒细胞进行计数,以免疫印迹法(Western blotting)检测嗜酸性粒细胞中p53的表达。结果:哮喘组BALF的总细胞数及嗜酸性粒细胞均高于激素组及对照组(P<0.01)。哮喘组BALF的嗜酸性粒细胞中p53表达弱于激素组和对照组(P<0.01)。结论:哮喘气道炎症与嗜酸性粒细胞生存增加亦即嗜酸细胞凋亡减少密切相关。糖皮质激素可诱导嗜酸性粒细胞凋亡,其机制可能与促嗜酸性粒细胞凋亡的p53表达有关。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2007年第2期387-388,共2页 Chinese Journal of Pathophysiology
基金 辽宁省教育厅资助项目(No.2004D188)
关键词 哮喘 嗜酸细胞 细胞凋亡 糖皮质激素类 基因 p53 Asthma Eosinophils Apoptosis Glucocorticoids Genes, p53
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