Preparation of the mouse spinal column for single imaging using two-photon laser-scanning microscopy

Area of Science:

• Neuroscience
• Microscopy
• Animal Models

Background:

• Two-photon imaging is crucial for visualizing nervous system dynamics.
• Current research often focuses on forebrain structures or peripheral nerves, overlooking the spinal cord.
• The spinal cord's dorsal columns offer accessible white matter for imaging.

Purpose of the Study:

• To establish a protocol for two-photon laser-scanning microscopy (2pLSM) of the mouse spinal cord.
• To enable detailed imaging of neuronal fibers and glial cells within the central nervous system white matter.
• To provide a method for high-resolution imaging with minimal motion artifacts.

Main Methods:

• Development of anesthesia and surgical procedures for mouse spinal column preparation.
• Utilizing transgenic mice with cell type-specific fluorescent protein expression.
• Application of two-photon laser-scanning microscopy (2pLSM) for imaging.

Main Results:

• Successful preparation of the mouse spinal column for imaging.
• Demonstration of imaging neuronal fibers and glial cells in the spinal cord's dorsal columns.
• Achieved high spatial resolution with minimal motion artifacts.

Conclusions:

• The described protocol facilitates 2pLSM of the mouse spinal cord.
• This method is ideal for studying central nervous system white matter dynamics.
• Enables advanced research in neuroscience and related fields.