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首页> 外文期刊>Trends in Cell Biology >The CDM protein DOCK2 in lymphocyte migration [Review]
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The CDM protein DOCK2 in lymphocyte migration [Review]

机译:CDM蛋白DOCK2在淋巴细胞迁移中的作用[综述]

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摘要

T and B lymphocytes migrate hundreds of micrometers each day to survey the body's lymphoid tissues for antigens. No other mammalian cell type undergoes such extensive and continual movement, raising the question of whether lymphocytes have specializations to support their migratory behavior. This possibility has recently gained support from studies of mice deficient in DOCK2, a member of the Caenorhabditis elegans Ced-5, mammalian DOCK180 and Drosophila melanogaster myoblast city (CDM) family of scaffolding proteins. Migration of lymphocytes, but not other cell types, is severely disrupted in DOCK2-deficient mice. Despite the conserved role of CDM molecules in regulating Rac activation and actin assembly, relatively little is known about how these molecules function. Here, we review the role of DOCK2 in lymphocyte homing to lymphoid tissues and discuss recent findings for other CDM family molecules that provide a basis for understanding how DOCK2 might function in lymphocytes.
机译:T和B淋巴细胞每天迁移数百微米,以检查人体的淋巴组织中的抗原。没有其他哺乳动物细胞会经历这种广泛而持续的运动,这引发了淋巴细胞是否具有专门化支持其迁徙行为的问题。最近,这种可能性得到了对DOCK2,秀丽隐杆线虫Ced-5,哺乳动物DOCK180和黑腹果蝇成肌细胞(CDM)支架蛋白家族成员缺乏的小鼠的研究的支持。在DOCK2缺陷型小鼠中,淋巴细胞的迁移(而非其他细胞类型)被严重破坏。尽管CDM分子在调节Rac活化和肌动蛋白装配中起着保守的作用,但对这些分子如何起作用的了解相对较少。在这里,我们回顾了DOCK2在淋巴细胞归巢到淋巴组织中的作用,并讨论了其他CDM家族分子的最新发现,这些发现为理解DOCK2如何在淋巴细胞中发挥作用提供了基础。

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