Related Experiment Video
Updated: Aug 19, 2026
Modeling Neuronal Death and Degeneration in Mouse Primary Cerebellar Granule Neurons
Published on: November 6, 2017
Mechanisms of neural cell death: implications for development of neuroprotective treatment strategies
Alexander G Yakovlev1, Alan I Faden
1Department of Neuroscience, Georgetown University Medical Center, Washington, DC 20057, USA.
Abstract:
It has been increasingly recognized that cell death phenotypes and their molecular mechanisms are highly diverse. Necrosis is no longer considered a single entity, passively mediated by energy failure. Moreover, caspase-dependent apoptosis is not the only pathway involved in programmed cell death or even the only apoptotic mechanism. Recent experimental work emphasizes the diverse and interrelated nature of cell death mechanisms. Thus, there are both caspase-dependent and caspase-independent forms of apoptosis, which may differ morphologically as well as mechanistically. There are also necrotic-like phenotypes that require de novo protein synthesis and are, therefore, forms of programmed cell death. In addition, forms of cell death showing certain morphological features of both necrosis and apoptosis have been identified, leading to the term aponecrosis. Considerable experimental evidence also shows that modulation of one form of cell death may lead to another. Together, these observations underscore the need to substantially revise our conceptions about neuroprotection strategies. Use of multiple treatments that target different cell death cascades, or single agents that moderate multiple cell death pathways, is likely to lead to more effective neuroprotection for clinical disorders.
Insights
Cell death is diverse, involving multiple programmed pathways beyond simple apoptosis or necrosis. Understanding these varied mechanisms is crucial for developing effective neuroprotection strategies against clinical disorders.
Area of Science:
- Cell Biology
- Molecular Biology
- Neuroscience
Background:
- Cell death is increasingly recognized as a diverse process with varied molecular mechanisms.
- Traditional views of necrosis and apoptosis as singular entities are outdated.
- Recent research highlights the interconnectedness of different cell death modalities.
Purpose of the Study:
- To review the diverse and interrelated nature of cell death mechanisms.
- To emphasize the need for revised neuroprotection strategies based on current cell death knowledge.
- To explore the implications of multiple cell death pathways for therapeutic interventions.
Main Methods:
- Review of experimental evidence on cell death phenotypes.
- Analysis of molecular mechanisms underlying different cell death forms.
- Synthesis of findings to inform neuroprotection strategies.
Main Results:
- Cell death encompasses diverse phenotypes, including caspase-dependent and independent apoptosis, and programmed necrosis.
- Aponecrosis, a hybrid form of cell death, has been identified.
- Interplay exists between different cell death pathways, where modulating one can affect others.
Conclusions:
- Current understanding of cell death requires substantial revision.
- Neuroprotection strategies must account for the diversity and interplay of cell death mechanisms.
- Targeting multiple cell death pathways or using agents that moderate them may enhance neuroprotection in clinical disorders.
Related Concept Videos
01:30Overview of Cell Death
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the 20th century...
01:00Cellular Injury I: Introduction
01:15Neurogenesis and Regeneration of Nervous Tissue
01:22Cellular Injury V: Apoptosis and Autophagy
01:11Cellular Injury IlI: Cellular Death