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Published on: July 10, 2019
Imaging and manipulating living neurons with atomic force microscopy
1Center for Paralysis Research, Purdue University, West Lafayette, IN, USA.
Summary
Atomic force microscopy (AFM) provides high-resolution imaging of living neurons in their native environment. This technology enables novel experiments, including studying neuronal response to injury for neurotrauma research.
Area of Science:
- Biomedical Engineering
- Neuroscience
- Cell Biology
Background:
- Atomic force microscopy (AFM) offers unprecedented resolution for imaging biological materials in native environments.
- AFM allows for direct physical interaction with samples, enabling unique experimental approaches.
- Current imaging modalities have limitations in visualizing living biological systems at high resolution.
Purpose of the Study:
- To investigate the three-dimensional architectures of living chick dorsal root ganglion and sympathetic ganglion somas and growth cones using AFM.
- To explore the utility of AFM in inducing and imaging neuronal responses to physical damage.
- To lay the groundwork for future research in neurotrauma and nerve repair.
Main Methods:
- Utilized Atomic Force Microscopy (AFM) for high-resolution imaging of neuronal structures.
- Performed controlled physical interactions with neurons to induce injury.
- Documented cellular responses to injury through subsequent AFM imaging.
Main Results:
- Successfully visualized the detailed three-dimensional architectures of neuronal somas and growth cones.
- Demonstrated the capability of AFM to inflict and image neuronal responses to mechanical injury.
- Provided preliminary data on cellular reactions to induced trauma.
Conclusions:
- AFM is a powerful tool for high-resolution imaging and mechanical experimentation on living neurons.
- AFM applications in neuroscience hold significant potential for understanding neurotrauma and nerve repair mechanisms.
- Further investigations using AFM are warranted to advance neurotrauma research.
