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[Programmed cell death: history and future of a concept]
1Department of Biological Sciences, St John 's University, 8000 Utopia Parkway, Queens, NY, 11439, USA. lockshin@stjohns.edu
Journal De La Societe De Biologie
|February 14, 2006
Summary
Cell death, particularly apoptosis, is a biologically controlled process with a known genetic basis. Further research is needed to understand cell death commitment and alternative pathways for therapeutic applications.
Area of Science:
- * Cell Biology
- * Molecular Biology
- * Genetics
Background:
- * Cell death has been observed since the 19th century, with experimental investigation beginning in the mid-20th century.
- * The concept of programmed cell death, or apoptosis, emerged in the 1960s, characterized by common and unexplained morphology.
- * By 1990, the genetic underpinnings of programmed cell death were established, with key components like caspase 3, bcl-2, and Fas identified and recognized for their evolutionary conservation.
Observation:
- * Early research identified programmed cell death and its distinct morphological features (apoptosis).
- * Subsequent studies elucidated the genetic basis and molecular machinery involved in programmed cell death.
- * The field has achieved substantial understanding of the mechanisms driving cell death.
Findings:
- * Apoptosis is a common and efficient form of cell death.
- * Alternative cell death pathways exist and can function even when apoptosis is inhibited.
- * Understanding the precise mechanisms of cell commitment to death is crucial.
Implications:
- * Further research into cell death commitment and alternative pathways is essential for developing new therapeutics.
- * Claude Bernard's historical insights and recommendations remain relevant to current research challenges in cell death.
- * Translating fundamental knowledge of cell death into clinical applications requires deeper investigation.
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