Two-dimensional TIRF-SIM-traction force microscopy (2D TIRF-SIM-TFM).

Two-dimensional TIRF-SIM-traction force microscopy (2D TIRF-SIM-TFM).
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二维 TIRF-SIM-牵引力显微镜 (2D TIRF-SIM-TFM)

DOI:
10.1038/s41467-021-22377-9
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发表时间:
2021-04-12
影响因子:
16.6
通讯作者:
Fritzsche M
Fritzsche M
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Barbieri L;Colin-York H;Korobchevskaya K;Li D;Wolfson DL;Karedla N;Schneider F;Ahluwalia BS;Seternes T;Dalmo RA;Dustin ML;Li D;Fritzsche M

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量化细胞产生的小而快速变化的力是理解健康和疾病中的生物力学和机械生物学的主要挑战。牵引力显微镜仍然是应用最广泛的力探测技术之一,但通常仅限于几秒钟和微米级位移的慢事件。在这里,我们通过结合快速二维全内反射荧光超分辨率结构照明显微镜和牵引力显微镜,与其相关的传统模式相比,在空间上提高了>2倍,在时间上提高了>10倍的平面细胞力探测的分辨率。这种活细胞2D TIRF-SIM-TFM方法提供了与纳米和亚秒尺度上的力相关的时空分辨率增强的组合,为机械生物学的分析开辟了新的方面。量化快速和微小的细胞力是机械生物学的一个主要挑战。在这里,作者展示了结合牵引力显微镜与全内反射荧光超分辨率结构照明显微镜的>2倍空间和>10倍时间力采样改进。
Quantifying small, rapidly evolving forces generated by cells is a major challenge for the understanding of biomechanics and mechanobiology in health and disease. Traction force microscopy remains one of the most broadly applied force probing technologies but typically restricts itself to slow events over seconds and micron-scale displacements. Here, we improve >2-fold spatially and >10-fold temporally the resolution of planar cellular force probing compared to its related conventional modalities by combining fast two-dimensional total internal reflection fluorescence super-resolution structured illumination microscopy and traction force microscopy. This live-cell 2D TIRF-SIM-TFM methodology offers a combination of spatio-temporal resolution enhancement relevant to forces on the nano- and sub-second scales, opening up new aspects of mechanobiology to analysis. Quantifying rapid and small cellular forces is a major challenge in mechanobiology. Here, the authors show a >2-fold spatially and >10-fold temporally force sampling improvement combining traction force microscopy with total internal reflection fluorescence super-resolution structured illumination microscopy.
DOI: 10.1083/jcb.201511053
发表时间: 2016-06-06
期刊: The Journal of cell biology
影响因子: --
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发表时间: 2019-05-22
影响因子: 9.5
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发表时间: 2016-09-29
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发表时间: 2017-11
期刊: Nature reviews. Immunology
影响因子: --
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通讯作者: Huse M
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DOI: 10.1126/science.aab3500
发表时间: 2015-08-28
期刊: Science (New York, N.Y.)
影响因子: --
作者:
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通讯作者: Betzig E