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Related Experiment Videos

Tracking oligodendrocytes during development and regeneration.

K J Chandross1, B Champagne, K Auble

  • 1Laboratory of Developmental Neurogenetics, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892-4160, USA.

Microscopy Research and Technique
|March 29, 2001
PubMed
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Advances in cell tagging strategies enable detailed study of myelin-forming glial cells and transplanted cells. These methods, including genetic modification and direct labeling, are crucial for understanding oligodendrocyte development and cell therapies.

Area of Science:

  • Neuroscience
  • Cell Biology
  • Biotechnology

Background:

  • Oligodendrocytes are glial cells crucial for myelin formation in the central nervous system.
  • Myelin disorders and insufficiency necessitate methods to study oligodendrocyte development and function.
  • Cellular tracking is vital for understanding glial cell biology and evaluating therapeutic interventions.

Purpose of the Study:

  • To review and discuss advances in cell tagging strategies for studying myelin-forming glial cells.
  • To highlight the application of these strategies in animal models of myelin insufficiency.
  • To explore the utility of tagged glial cells in basic research and cell transplantation therapies.

Main Methods:

  • Genetic modification of oligodendrocytes to express reporter genes (enzymatic, fluorescent, antibiotic resistance).

Related Experiment Videos

  • In vivo and in vitro gene delivery using viral or plasmid vectors.
  • Generation of transgenic mice via pronuclear injection or homologous recombination (knock-in).

    • Main Results:

    • Engineered oligodendrocytes express various reporters, facilitating their identification and tracking.
    • Transgenic mice provide germ-line transmission of tagged oligodendrocytes for developmental studies.
    • Antibiotic resistance markers enable selective isolation and purification of oligodendrocytes.

    Conclusions:

    • Cell tagging technologies have significantly advanced the understanding of oligodendrocyte specification, differentiation, and myelination.
    • Tagged glial cells are indispensable tools for evaluating cell transplant therapies in neurological conditions.
    • Evolving tracking technologies offer new opportunities for in vivo studies of oligodendrocytes.