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Related Experiment Videos

[NK cells and the nervous system].

W Gebhart, S Schuller-Petrovic, H Lassmann

    Wiener Klinische Wochenschrift
    |December 9, 1983
    PubMed
    Summary

    A monoclonal antibody targeting human natural killer (NK) cells also binds to neural elements in humans and animals. This shared antigen may play a role in demyelinating disorders.

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    Area of Science:

    • Immunohistochemistry
    • Neuroscience
    • Cell Biology

    Context:

    • Monoclonal antibodies are crucial tools for identifying specific cellular markers.
    • Natural killer (NK) cells are lymphocytes with immune surveillance functions.
    • Neural elements include various cell types and structures within the nervous system.

    Purpose:

    • To investigate the cross-reactivity of a monoclonal antibody (LEU 7) against human natural killer (NK) cells with neural tissues.
    • To determine if the antigen recognized by LEU 7 is present in non-immune cells.
    • To explore potential implications for neurological diseases.

    Summary:

    • Light and electron microscopy revealed that the LEU 7 antibody, specific for human NK cells, also labels myelin sheaths, oligodendrocytes, neurons, astroglia, ependymal cells, and enterochromaffin cells in human tissues.
    • Similar cross-reactivity was observed in mouse, rat, and guinea pig tissues, with the exception of ependymal cells.
    • Control experiments using another NK cell antibody (VEP 13) yielded negative results, confirming the specificity of the LEU 7 finding.

    Impact:

    • Identifies a shared antigen between human natural killer (NK) cells and diverse neural elements.
    • Suggests a potential role for this shared antigen in the pathogenesis of demyelinating disorders.
    • Provides a novel target for investigating the interplay between the immune system and the nervous system in disease.

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