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The effect of veiled cells on lymphocyte function

B Balfour, J A O'Brien, M Perera

    Advances in Experimental Medicine and Biology
    |January 1, 1982
    PubMed
    Summary
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    Veiled cells from afferent lymph enhance lymphocyte responses to Con A stimulation, leading to earlier reactions and lymphocyte clumping. These cells also induce the appearance of unique veiled cells post-stimulation.

    Area of Science:

    • Immunology
    • Cell Biology

    Background:

    • Lymphocytes are key immune cells responding to foreign stimuli.
    • Veiled cells, found in afferent lymph, are implicated in immune regulation.

    Purpose of the Study:

    • To investigate the effect of veiled cells on lymphocyte activation by Concanavalin A (Con A).
    • To characterize morphological changes in cells during stimulated lymphocyte cultures.

    Main Methods:

    • Lymphocyte cultures were prepared with and without veiled cells from afferent lymph.
    • Cultures were stimulated with Concanavalin A (Con A).
    • Cellular responses and morphology were observed over 48 hours.

    Main Results:

    • Veiled cells accelerated lymphocyte responses to Con A.

    Related Experiment Videos

  • Lower lymphocyte numbers and Con A concentrations were effective in enriched cultures.
  • Veiled cells induced lymphocyte clumping in unstimulated cultures.
  • Stimulated cultures showed small cells with veil-like projections after 48 hours.

    • Conclusions:

    • Veiled cells significantly modulate lymphocyte activation by Con A.
    • Veiled cells may play a role in initiating or amplifying immune responses.
    • The appearance of veiled cells in stimulated cultures suggests a dynamic cellular interaction.