Atomic force microscopy-based mechanobiology
(2019) Nature Reviews Physics — Vol. 1, n° 1, p. 41-57 (2018)
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- Authors
Müller, Daniel J. 
- Abstract
- Mechanobiology emerges at the crossroads of medicine, biology , biophysics and engineering and describes how the responses of proteins, cells, tissues and organs to mechanical cues contribute to development, differentiation, physiology and disease. The grand challenge in mechanobiology is to quantify how biological systems sense, transduce, respond and apply mechanical signals. Over the past three decades, atomic force microscopy (AFM) has emerged as a key platform enabling the simultaneous morphological and mechanical characterization of living biological systems. In this Review , we survey the basic principles, advantages and limitations of the most common AFM modalities used to map the dynamic mechanical properties of complex biological samples to their morphology. We discuss how mechanical properties can be directly linked to function, which has remained a poorly addressed issue. We outline the potential of combining AFM with complementary techniques, including optical microscopy and spectroscopy of mechanosensitive fluorescent constructs, super- resolution microscopy , the patch clamp technique and the use of microstructured and fluidic devices to characterize the 3D distribution of mechanical responses within biological systems and to track their morphology and functional state.
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Citations
Krieg, M., Fläschner, G., Alsteens, D., Gaub, B. M., Roos, W. H., Wuite, G. J. L., Gaub, H. E., Gerber, C., Dufrêne, Y., & Müller, D. J. (2019). Atomic force microscopy-based mechanobiology. Nature Reviews Physics, 1(1), 41-57. https://doi.org/10.1038/s42254-018-0001-7 (Original work published 2018)