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宫内炎性暴露对胎鼠及早产大鼠肺细胞凋亡的影响 被引量:5

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摘要 目的观察宫内炎性暴露对胎鼠及早产大鼠肺细胞凋亡的影响,探讨其与新型支气管肺发育不良发病机制之间的关系。方法定期受孕的SpragueDawley(SD)大鼠随机分为脂多糖(lipopolysaccharide,LPS)组(LPS组)和生理盐水组(对照组),两组动物均于胚胎19d(E19)及出生后第1、3、5、7天(P1、P3、P5、P7)各随机取8只,应用脱氧核糖核酸转移酶介导的细胞凋亡标记技术(TUNEL)原位检测细胞凋亡。结果LPS组肺细胞凋亡在E19~P3均较对照组高,且与对照组相比,差异有统计学意义(P〈0.05)。结论宫内炎性暴露可能通过调控Bax/Bcl-2的表达途径使肺组织细胞过度凋亡,进而导致BPD的发生。
作者 王伟
出处 《临床医学》 CAS 2009年第10期107-108,共2页 Clinical Medicine
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参考文献6

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二级参考文献27

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