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Investigating piconewton forces in cells by FRET-based molecular force microscopy

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Freikamp,  Andrea
Grashoff, Carsten / Molecular Mechanotransduction, Max Planck Institute of Biochemistry, Max Planck Society;

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Klingner,  Christoph
Grashoff, Carsten / Molecular Mechanotransduction, Max Planck Institute of Biochemistry, Max Planck Society;

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Grashoff,  Carsten
Grashoff, Carsten / Molecular Mechanotransduction, Max Planck Institute of Biochemistry, Max Planck Society;

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Citation

Freikamp, A., Mehlich, A., Klingner, C., & Grashoff, C. (2017). Investigating piconewton forces in cells by FRET-based molecular force microscopy. SI, 197(1), 37-42. doi:10.1016/j.jsb.2016.03.011.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-A0FE-1
Abstract
The ability of cells to sense and respond to mechanical forces is crucial for a wide range of developmental and pathophysiological processes. The molecular mechanisms underlying cellular mechanotransduction, however, are largely unknown because suitable techniques to measure mechanical forces across individual molecules in cells have been missing. In this article, we highlight advances in the development of molecular force sensing techniques and discuss our recently expanded set of FRET-based tension sensors that allows the analysis of mechanical forces with piconewton sensitivity in cells. In addition, we provide a theoretical framework for the design of additional tension sensor modules with adjusted force sensitivity. (C) 2016 Elsevier Inc. All rights reserved.