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Tissue Clearing and Confocal Microscopic Imaging for Skeletal Muscle
Smrithi Karthikeyan1, Yoko Asakura1, Mayank Verma1
1Stem Cell Institute, University of Minnesota Medical School, Minneapolis, MN, USA.
Methods in Molecular Biology (Clifton, N.J.)
|March 30, 2023
Summary
Researchers developed a new skeletal muscle tissue clearing method for 3-D imaging. This technique enhances understanding of muscle regeneration and cellular interactions using confocal microscopy.
Area of Science:
- Biomedical Engineering
- Cell Biology
- Histology
Background:
- Skeletal muscle regeneration relies on dynamic cellular interactions.
- Understanding these interactions requires advanced three-dimensional (3-D) imaging.
- Current 3-D imaging protocols often focus on the nervous system, not skeletal muscle.
Purpose of the Study:
- To present a novel tissue clearing protocol specifically for skeletal muscle.
- To enable accurate 3-D imaging of immunofluorescence-stained skeletal muscle samples.
- To detail parameters for confocal microscopy of cleared skeletal muscle tissue.
Main Methods:
- Developed a new skeletal muscle tissue clearing protocol.
- Utilized refractive index matching to minimize light scattering.
- Applied the protocol to immunofluorescence-stained skeletal muscle samples.
- Acquired 3-D images using confocal microscopy.
Main Results:
- The new protocol effectively clears skeletal muscle tissue.
- High-resolution 3-D images of skeletal muscle were obtained.
- The method facilitates visualization of cellular structures and interactions.
Conclusions:
- The presented skeletal muscle tissue clearing protocol is effective for 3-D imaging.
- This advancement aids in studying muscle regeneration and cellular dynamics.
- The protocol provides essential parameters for confocal microscopy of skeletal muscle.
