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Adaptive roles of programmed cell death during nervous system development.
Robert R Buss1, Woong Sun, Ronald W Oppenheim
1Department of Neurobiology and Anatomy, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, USA. rbuss@wfubmc.edu
Annual Review of Neuroscience
|June 17, 2006
Summary
Programmed cell death (PCD) is vital for animal development, particularly in the nervous system. Inhibiting PCD in developing organisms has yielded limited observable effects on function, suggesting complex regulatory mechanisms.
Area of Science:
- Developmental Biology
- Neuroscience
- Cell Biology
Background:
- Programmed cell death (PCD) is a crucial adaptive process in animal development.
- PCD plays diverse roles, especially in the developing nervous system.
- Evidence supports PCD's involvement in neurulation, synaptogenesis, and CNS cell elimination.
Purpose of the Study:
- To review the adaptive functions of PCD in animals, focusing on the developing nervous system.
- To explore the impact of inhibiting PCD on nervous system development and function.
- To understand the genetic regulation of PCD.
Main Methods:
- Literature review of adaptive functions of PCD.
- Analysis of studies inhibiting PCD genetically.
- Observation of repercussions on nervous system development and function.
Main Results:
- PCD is integral to various developmental stages of the nervous system.
- Inhibiting PCD has allowed for the study of its necessity.
- Current studies show minimal striking behavioral or functional phenotypes upon PCD inhibition.
Conclusions:
- PCD is essential for normal nervous system development.
- Further research is needed to fully elucidate the functional consequences of PCD inhibition.
- The genetic regulation of PCD is complex and its perturbation effects are subtle.