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[Apoptosis in systemic lupus erythematosus].
Ibrahim Marai1, Gisele Zandman-Goddard, Yehuda Sheonfeld
1Department of Medicine B, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Israel.
Harefuah
|January 2, 2004
Summary
Defects in the natural process of programmed cell death (apoptosis) and the clearance of dead cells can trigger autoimmune responses, potentially leading to diseases like systemic lupus erythematosus (SLE). This review explores the link between apoptosis and SLE pathogenesis.
Area of Science:
- Immunology
- Cell Biology
- Pathogenesis of Autoimmune Diseases
Context:
- Autoimmune diseases, such as systemic lupus erythematosus (SLE), involve the immune system attacking the body's own tissues.
- Dead cells (apoptotic cells) contain autoantigens that can initiate or exacerbate autoimmune responses in susceptible individuals.
- The precise mechanisms of apoptosis induction and clearance are critical in maintaining immune tolerance.
Purpose:
- To review the association between apoptosis and the pathogenesis of systemic lupus erythematosus (SLE).
- To elucidate how defects in apoptosis and apoptotic cell clearance contribute to SLE development.
- To highlight the role of autoantigens derived from dead cells in SLE.
Summary:
- Apoptosis, or programmed cell death, involves complex cellular events including the exposure of intracellular components and subsequent clearance by phagocytes.
- Failures in the apoptotic process or the removal of apoptotic material can lead to the presentation of autoantigens to the immune system.
- Accumulating evidence suggests that dysregulation of apoptosis is a key factor in the initiation and progression of systemic lupus erythematosus.
Impact:
- Understanding the role of apoptosis in SLE pathogenesis may reveal novel therapeutic targets.
- This knowledge can inform strategies for improving the clearance of apoptotic cells in SLE patients.
- Further research into apoptosis defects could lead to earlier diagnosis and more effective treatments for autoimmune diseases.