Measuring Cell-Edge Protrusion Dynamics during Spreading using Live-Cell Microscopy.

Measuring Cell-Edge Protrusion Dynamics during Spreading using Live-Cell Microscopy.
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DOI:
10.3791/63157
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发表时间:
2021-11-01
期刊:
Journal of visualized experiments : JoVE
影响因子:
--
通讯作者:
Gil-Henn H
Gil-Henn H
中科院分区:
其他
文献类型:
--
作者:
Lukic N;Saha T;Lapetina S;Gendler M;Lehmann G;Koleske AJ;Gil-Henn H

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多细胞生物的发育和稳态依赖于细胞迁移的协调调节。细胞迁移是组织构建和再生的重要事件,对于胚胎发育、免疫反应和伤口愈合至关重要。细胞运动失调会导致病理性疾病,例如慢性炎症和癌症转移。细胞迁移、组织侵袭、轴突和树突生长都始于肌动蛋白聚合介导的细胞边缘突起。在这里,我们描述了一种简单、高效、省时的方法,用于对扩散过程中的细胞边缘突起动力学进行成像和定量分析。该方法测量细胞边缘膜动力学的离散特征,例如突出、回缩和褶边,并且可用于评估关键肌动蛋白调节剂的操作如何影响不同背景下的细胞边缘突出。
The development and homeostasis of multicellular organisms rely on coordinated regulation of cell migration. Cell migration is an essential event in the construction and regeneration of tissues, and is critical in embryonic development, immunological responses, and wound healing. Dysregulation of cell motility contributes to pathological disorders, such as chronic inflammation and cancer metastasis. Cell migration, tissue invasion, axon, and dendrite outgrowth all initiate with actin polymerization-mediated cell-edge protrusions. Here, we describe a simple, efficient, time-saving method for the imaging and quantitative analysis of cell-edge protrusion dynamics during spreading. This method measures discrete features of cell-edge membrane dynamics, such as protrusions, retractions, and ruffles, and can be used to assess how manipulations of key actin regulators impact cell-edge protrusions in diverse contexts.
DOI: 10.1091/mbc.e20-10-0640
发表时间: 2021-11-01
影响因子: 3.3
作者:
Lukic N;Lapetina S;Grobe H;Srikanth KD;Twafra S;Solomon J;Sneh T;Gendler M;Zaidel-Bar R;Gil-Henn H
通讯作者: Gil-Henn H
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发表时间: 2011-11-01
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