Simultaneous FRAP, FLIM and FAIM for measurements of protein mobility and interaction in living cells.
Simultaneous FRAP, FLIM and FAIM for measurements of protein mobility and interaction in living cells.
复制标题
同时 FRAP、FLIM 和 FAIM 用于测量活细胞中的蛋白质迁移率和相互作用。
作者:
J. Levitt;P. Morton;G. Fruhwirth;G. Santis;P. Chung;M. Parsons;K. Suhling
We present a novel integrated multimodal fluorescence microscopy technique for simultaneous fluorescence recovery after photobleaching (FRAP), fluorescence lifetime imaging (FLIM) and fluorescence anisotropy imaging (FAIM). This approach captures a series of polarization-resolved fluorescence lifetime images during a FRAP recovery, maximizing the information available from a limited photon budget. We have applied this method to analyse the behaviour of GFP-labelled coxsackievirus and adenovirus receptor (CAR) in living human epithelial cells. Our data reveal that CAR exists in oligomeric states throughout the cell, and that these complexes occur in conjunction with high immobile fractions of the receptor at cell-cell junctions. These findings shed light on previously unknown molecular associations between CAR receptors in intact cells and demonstrate the power of combined FRAP, FLIM and FAIM microscopy as a robust method to analyse complex multi-component dynamics in living cells.
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影响因子:
3.4
作者:
Sherman, Eilon;Itkin, Anna;Haran, Gilad
通讯作者:
Haran, Gilad
影响因子:
5.7
作者:
van Raaij, MJ;Chouin, E;Cusack, S
通讯作者:
Cusack, S
DOI:
10.1117/12.875151
发表时间:
2011
期刊:
--
影响因子:
--
作者:
Levitt J
通讯作者:
Levitt J
影响因子:
15
作者:
Kuimova, Marina K.;Yahioglu, Gokhan;Ogilby, Peter R.
通讯作者:
Ogilby, Peter R.
影响因子:
3.4
作者:
Zolmajd-Haghighi Z
通讯作者:
Zolmajd-Haghighi Z