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Necrotic death as a cell fate
Wei-Xing Zong1, Craig B Thompson
1Department of Molecular Genetics and Microbiology, State University of New York at Stony Brook, New York 11794, USA.
Genes & Development
|January 5, 2006
Summary
Necrosis, a form of cell death, was traditionally viewed as passive. Recent findings reveal programmed cell necrosis can actively initiate inflammatory and reparative responses, crucial for tissue integrity.
Area of Science:
- Pathology
- Cell Biology
- Immunology
Background:
- Organismal homeostasis relies on balancing cell death and renewal.
- Necrosis, or pathological cell death, was historically considered a passive response to injury.
- Previously, necrotic cell death was thought to result solely from irreversible bioenergetic compromise.
Purpose of the Study:
- To explore the emerging evidence for programmed cell necrosis.
- To understand the role of cell-initiated necrosis in host responses.
- To investigate how programmed necrosis contributes to tissue and organismal integrity.
Main Methods:
- Review of historical and recent literature on cell death.
- Analysis of experimental data implicating active cellular pathways in necrosis.
- Examination of inflammatory and reparative responses following necrotic cell death.
Main Results:
- Recent evidence indicates cells can actively initiate necrosis.
- This active necrotic process can trigger inflammatory and reparative host responses.
- Programmed necrosis may represent an adaptive mechanism for maintaining tissue integrity.
Conclusions:
- Necrotic cell death is not always a passive event.
- Programmed necrosis plays an active role in host defense and tissue repair.
- Understanding programmed necrosis is key to comprehending organismal homeostasis.