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Related Experiment Videos

Apoptosis and autoimmunity

J S Koh1, J S Levine

  • 1Department of Medicine, Boston Medical Center, MA 02118, USA.

Current Opinion in Nephrology and Hypertension
|May 1, 1997
PubMed
Summary
This summary is machine-generated.

Autoimmune diseases like lupus may stem from the body attacking its own apoptotic cells. This review explores how these cells become immunogens and why self-tolerance fails, offering insights into lupus pathogenesis.

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Area of Science:

  • Immunology
  • Autoimmunity
  • Cell Biology

Background:

  • Autoimmune diseases are characterized by the immune system mistakenly attacking self-antigens.
  • Apoptotic cell antigens are increasingly recognized as targets of autoantibodies in conditions like systemic lupus erythematosus (SLE).

Purpose of the Study:

  • To review the evidence supporting the role of apoptotic cells as a primary immunogen in lupus.
  • To explore potential mechanisms underlying the breakdown of tolerance to apoptotic cells in SLE.

Main Methods:

  • Literature review of studies investigating apoptotic cells and autoimmunity.
  • Analysis of evidence linking apoptotic cell antigens to autoantibody production in lupus.
  • Examination of proposed mechanisms for immune tolerance failure towards apoptotic cells.

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Main Results:

  • Growing evidence suggests apoptotic cells are a significant source of autoantigens in systemic lupus erythematosus.
  • Several mechanisms are proposed for the loss of immune tolerance to self-components released during apoptosis.

Conclusions:

  • Apoptotic cells and their antigens are implicated as key players in the development and progression of lupus.
  • Understanding the mechanisms of tolerance breakdown is crucial for developing targeted therapies for SLE.