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IL-8刺激L-选择素水解断裂对细胞膜拓扑结构和刚度的影响
Alternative TitleImpacts of IL-8-induced L-selectin shedding on microtopology and stiffness of cell membrane
贾潇凌; 王世骐; 陈娟; 龙勉
Source Publication医用生物力学
2009
Volume24Issue:5Pages:379-383,389
Abstract目的 研究IL-8刺激所致的L-选择素水解断裂是否会引起细胞膜结构和刚度的变化,进而影响L广选择素-配体的反应动力学.方法 分别用IL-8、TAPI-0+IL-8和TAPI-0处理本构表达L-选择素的Jurkat细胞,用以构建L-选择素水解断裂、阻断水解断裂和阻断剂对照的细胞-分子模型.采用扫描电镜观察其表面拓扑结构,采用微管吸吮方法测量其刚度.结果 与正常组相比,水解断裂组和阻断水解断裂组细胞微绒毛减少、表面趋于光滑,而阻断剂对照组则无明显变化;无论是水解断裂组,阻断水解断裂组还是阻断剂对照组,细胞膜刚度与正常组相比均无显著性差异.结论 IL-8刺激所致L-选择素水解断裂会引发细胞膜拓扑结构的变化,进而影响L一选择素一配体反应动力学的变化;而细胞膜刚度未见明显变化,表明载体刚度不是水解断裂引发L-选择素-配体反应动力学变化的因索.
Keyword白细胞介素-8(Il-8) L-选择素水解断裂 拓扑结构 刚度 动力学
Subject Area生物力学
Indexed ByCSCD
Language中文
CSCD IDCSCD:3705509
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/33026
Collection微重力重点实验室
Corresponding Author龙勉
Recommended Citation
GB/T 7714
贾潇凌,王世骐,陈娟,等. IL-8刺激L-选择素水解断裂对细胞膜拓扑结构和刚度的影响[J]. 医用生物力学,2009,24,5,:379-383,389.
APA 贾潇凌,王世骐,陈娟,&龙勉.(2009).IL-8刺激L-选择素水解断裂对细胞膜拓扑结构和刚度的影响.医用生物力学,24(5),379-383,389.
MLA 贾潇凌,et al."IL-8刺激L-选择素水解断裂对细胞膜拓扑结构和刚度的影响".医用生物力学 24.5(2009):379-383,389.
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