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Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy
Published on: June 27, 2013
Neuronal elasticity as measured by atomic force microscopy
Mirela Mustata1, Ken Ritchie, Helen A McNally
1Department of Physics, Purdue University, West Lafayette, IN 47906, USA.
Journal of Neuroscience Methods
|November 10, 2009
Summary
Atomic Force Microscopy (AFM) reveals cellular membrane and cytoskeleton changes in neurons, offering insights into aging, disease, and neurotoxin effects. This study details AFM
Area of Science:
- Cell Biology
- Neuroscience
- Biophysics
Background:
- Cellular membrane and cytoskeleton dynamics dictate cell form and function.
- Alterations in these structures are linked to cellular aging and disease.
- Atomic Force Microscopy (AFM) offers high-resolution imaging and mechanical property analysis of cellular components.
Purpose of the Study:
- To advance the application of AFM as a tool in neuroscience research.
- To investigate the mechanical properties and structural changes of neuronal cells.
- To assess cellular responses to environmental factors and neurotoxins.
Main Methods:
- Utilized Atomic Force Microscopy (AFM) for high-resolution imaging and elasticity measurements.
- Examined living chick embryo dorsal root ganglion and sympathetic neurons in vitro.
- Applied various AFM techniques and systems to analyze neuronal cellular bodies and growth cones.
Main Results:
- Reported elasticity measurements on living neurons, differentiating between cellular body and growth cone regions.
- Observed variations in cellular maturity based on mechanical properties.
- Documented cellular changes induced by environmental conditions and specific neurotoxins.
Conclusions:
- AFM is a valuable tool for probing neuronal mechanics and structural integrity.
- AFM can detect age-related and environmentally induced changes in neuronal cells.
- This study contributes to understanding AFM methodology for neuroscience applications.
