Atomic force microscopy-based mechanobiology

Michael Krieg, Gotthold Fläschner, David Alsteens, Benjamin M. Gaub, Wouter H. Roos, Gijs J.L. Wuite, Hermann E. Gaub, Christoph Gerber, Yves F. Dufrêne, Daniel J. Müller*

*Corresponding author for this work

Research output: Contribution to JournalReview articleAcademicpeer-review

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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.

Original languageEnglish
Pages (from-to)41-57
Number of pages17
JournalNature Reviews Physics
Issue number1
Early online date1 Nov 2018
Publication statusPublished - Jan 2019


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