Lattice micropatterning for cryo-electron tomography studies of cell-cell contacts.

Lattice micropatterning for cryo-electron tomography studies of cell-cell contacts.
复制标题

DOI:
10.1016/j.jsb.2021.107791
复制
发表时间:
2021-12
影响因子:
3
通讯作者:
Dunn, Alexander R.
Dunn, Alexander R.
中科院分区:
生物学3区
文献类型:
--
作者:
Engel, Leeya;Vasquez, Claudia G.;Montabana, Elizabeth A.;Sow, Belle M.;Walkiewicz, Marcin P.;Weis, William, I;Dunn, Alexander R.

文献摘要

参考文献

被引文献

相似文献

冷冻电子断层扫描是可用于对天然细胞环境中的大分子复合物进行结构分析的最高分辨率工具。目前,数据采集的吞吐量较低,部分原因是定位细胞以使感兴趣的亚细胞结构位于适合成像的电子显微镜 (EM) 网格区域的可能性较低。在这里,我们对 EM 网格进行光微图案化,以最佳定位内皮细胞,从而实现细胞与细胞接触的高通量成像。晶格微图案网格增加了细胞间接触和较厚细胞核之间的平均距离,使得感兴趣的区域足够薄以用于直接成像。我们在细胞间接触处观察到了多种膜和细胞骨架结构,证明了该技术在提高细胞冷冻电子断层扫描研究的数据采集率方面的实用性。
Cryo-electron tomography is the highest resolution tool available for structural analysis of macromolecular complexes within their native cellular environments. At present, data acquisition suffers from low throughput, in part due to the low probability of positioning a cell such that the subcellular structure of interest is on a region of the electron microscopy (EM) grid that is suitable for imaging. Here, we photo-micropatterned EM grids to optimally position endothelial cells so as to enable high-throughput imaging of cell-cell contacts. Lattice micropatterned grids increased the average distance between intercellular contacts and the thicker cell nuclei such that the regions of interest were sufficiently thin for direct imaging. We observed a diverse array of membranous and cytoskeletal structures at intercellular contacts, demonstrating the utility of this technique in enhancing the rate of data acquisition for cellular cryo-electron tomography studies.
DOI: 10.1073/pnas.1106377109
发表时间: 2012-01-31
影响因子: 11.1
作者:
Tseng, Qingzong;Duchemin-Pelletier, Eve;Thery, Manuel
通讯作者: Thery, Manuel
DOI: 10.1038/nmeth.4193
发表时间: 2017-04
期刊: Nature methods
影响因子: 48
作者:
Zheng SQ;Palovcak E;Armache JP;Verba KA;Cheng Y;Agard DA
通讯作者: Agard DA
DOI: 10.1006/jsbi.1996.0013
发表时间: 1996-01-01
影响因子: 3
作者:
Kremer, JR;Mastronarde, DN;McIntosh, JR
通讯作者: McIntosh, JR
DOI: 10.1038/cr.2014.135
发表时间: 2015-01
期刊: Cell research
影响因子: 44.1
作者:
Ma L;Li Y;Peng J;Wu D;Zhao X;Cui Y;Chen L;Yan X;Du Y;Yu L
通讯作者: Yu L
DOI: 10.1073/pnas.1418377111
发表时间: 2014-11-04
影响因子: 11.1
作者:
Danev, Radostin;Buijsse, Bart;Baumeister, Wolfgang
通讯作者: Baumeister, Wolfgang