Systemic lupus erythematosus

Archives of Pathology
|March 1, 1975
PubMed

Insights

Systemic lupus erythematosus (SLE) may involve paramyxovirus-like structures and defective immunity. A child with SLE showed these findings, along with herpes simplex virus particles and thymic dysplasia, suggesting potential viral links in autoimmune disease.

Area of Science:

  • Immunology
  • Virology
  • Pathology

Background:

  • Systemic lupus erythematosus (SLE) investigations reveal paramyxovirus-like nucleocapsids in renal endothelial cells.
  • SLE is associated with increasing evidence of defective cell-mediated immunity.
  • Previous studies have faced challenges in definitively identifying these structures as viruses.

Purpose of the Study:

  • To investigate the presence of viral-like structures and immune defects in a pediatric case of SLE.
  • To correlate clinical findings of immune deficiency with postmortem pathological observations.

Main Methods:

  • Clinical evaluation of a 3-year-old child with SLE and evidence of defective cellular immunity.
  • Postmortem examination of renal, neural, and thymic tissues.
  • Morphological analysis of intracytoplasmic structures and cellular components.

Main Results:

  • Paramyxovirus-like tubular structures were identified in the kidneys of the SLE patient.
  • Intracytoplasmic viral particles resembling herpes simplex virus were found in neurons.
  • The patient's thymus gland showed lymphocyte depletion and absence of Hassall corpuscles, indicative of thymic dysplasia.

Conclusions:

  • The findings suggest a potential association between viral-like particles, thymic dysplasia, and immune deficiency in SLE.
  • Further research is warranted to explore the role of viruses in the pathogenesis of SLE.
  • The observed 'nuclear bodies' may also be significant in the context of SLE pathology.

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