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Intranuclear helioid inclusions.

F N Ghadially, J C Stinson, C M Payne

    Journal of Submicroscopic Cytology
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

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    Researchers identified a novel intranuclear structure, the helioid inclusion, characterized by unique helioid bodies. Its precise origin remains under investigation, with two potential formation pathways proposed.

    Area of Science:

    • Cell Biology
    • Ultrastructural Pathology

    Background:

    • Intranuclear inclusions represent diverse cellular structures with varying origins.
    • The characterization of novel cellular components is crucial for understanding cell biology.

    Purpose of the Study:

    • To define and describe a newly identified type of intranuclear inclusion.
    • To investigate the ultrastructural features and potential origins of helioid inclusions.

    Main Methods:

    • Transmission electron microscopy was employed to examine cellular ultrastructure.
    • Detailed morphological analysis of the intranuclear inclusions and associated structures was performed.

    Main Results:

    • A novel single-membrane-bound intranuclear inclusion, termed 'helioid inclusion,' was identified.

    Related Experiment Videos

  • Helioid inclusions contain rounded bodies with radiating filaments (helioid bodies).
  • Helioid bodies were observed within intranuclear inclusions and in dilated rough endoplasmic reticulum within pseudoinclusions.

    • Conclusions:

    • The precise genesis of helioid inclusions is not definitively established.
    • Two proposed origins for helioid bodies include modification of sequestered serous secretory granules or condensation of perinuclear/endoplasmic reticulum contents.
    • Further research is needed to elucidate the formation mechanism of helioid inclusions.