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巨噬细胞吞噬凋亡中性粒细胞及吞噬诱导巨噬细胞死亡的实时动态观察 被引量:9

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摘要 巨噬细胞有效地吞噬清除凋亡的中性粒细胞,对急性炎症的消退、恢复机体的稳态至关重要.但目前对巨噬细胞吞噬凋亡中性粒细胞的动态过程以及巨噬细胞吞噬凋亡中性粒细胞后的命运转归还知之甚少.本研究动态观察了巨噬细胞吞噬凋亡中性粒细胞的全过程,发现巨噬细胞吞噬凋亡中性粒细胞过程也可分为识别黏附、内吞、消化和残体外排等阶段,同时观察记录了吞噬凋亡中性粒细胞后巨噬细胞被诱导激活死亡的动态过程.通过透射电子显微镜、激光共聚焦扫描显微镜以及特殊染色法显示,吞噬凋亡中性粒细胞诱导巨噬细胞死亡的方式有自噬、凋亡和胀亡等,其中自噬率为(8.00±2.00)%、凋亡率为(12.33±2.08)%、胀亡率为(3.66±1.50)%.这些结果表明,巨噬细胞吞噬凋亡中性粒细胞后自身也经历自噬和凋亡过程,可能是巨噬细胞参与免疫反应的新机制.
出处 《中国科学:生命科学》 CSCD 北大核心 2014年第6期571-577,共7页 Scientia Sinica(Vitae)
基金 国家自然科学基金(批准号:30670936)资助项目
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  • 2许改霞,杨坚泰,Roy Indrajit,屈军乐,陈丹妮,王晓梅,Prasad N.Paras,牛憨笨.纳米颗粒在穿透血脑屏障研究中的应用[J].深圳大学学报(理工版),2009,26(1):1-8. 被引量:4
  • 3马晓春,王辰,方强,刘大为,邱海波,秦英智,席修明,黎毅敏.急性肺损伤/急性呼吸窘迫综合征诊断和治疗指南(2006)[J].中国危重病急救医学,2006,18(12):706-710. 被引量:604
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