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Quantification of Subcellular Glycogen Distribution in Skeletal Muscle Fibers using Transmission Electron Microscopy
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Biochemistry
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JoVE Journal Biochemistry
Quantification of Subcellular Glycogen Distribution in Skeletal Muscle Fibers using Transmission Electron Microscopy

Quantification of Subcellular Glycogen Distribution in Skeletal Muscle Fibers using Transmission Electron Microscopy

DOI:
10.3791/63347-v

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08:32 min

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February 07, 2022

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, , , ,
1Research center for applied health science,University College South Denmark, 2Department of Sports Science and Clinical Biomechanics,University of Southern Denmark, 3Department of Biomedical Sciences, Core Facility for Integrated Microscopy,University of Copenhagen

Chapters

  • 00:04Introduction
  • 00:55Primary Fixation, Post-Fixation, and Embedding
  • 02:46Ultrathin Sectioning of Fibers and Contrasting
  • 03:57Imaging
  • 04:59Image Analyses
  • 07:33Results: Glycogen Content in Fiber
  • 07:59Conclusion

Summary

Automatic Translation

Automatic Translation

A modified post-fixation procedure increases the contrast of glycogen particles in tissue. This paper provides a step-by-step protocol describing how to handle the tissue, conduct the imaging, and use stereological methods to obtain unbiased and quantitative data on fiber type-specific subcellular glycogen distribution in skeletal muscle.

Tags

Glycogen DistributionSubcellularSkeletal Muscle FibersTransmission Electron MicroscopyHigh ResolutionAntibody-free StainingPotassium FerrocyanideGlutaraldehyde FixationOsmium TetroxideEpoxy Resin EmbeddingUltramicrotomySemi-thin SectioningLight Microscopy

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