Related Experiment Video
Updated: Jun 14, 2026

Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
Published on: December 27, 2016
The endocannabinoid system: a new entry in remote cell death mechanisms
M T Viscomi1, S Oddi, L Latini
1Santa Lucia Foundation I.R.C.C.S., Via del Fosso di Fiorano 65, 00143 Rome, Italy.
Abstract:
Functional impairment after development of focal CNS lesions depends highly on damage that occurs in regions that are remote but functionally connected to the primary lesion site. These remote effects include cell death and structural changes, and they are important predictors of outcome in several pathologies, such as stroke, multiple sclerosis, and brain trauma. A greater understanding of the neuropathological mechanisms that exist in regions that are remote from focal primary lesions is therefore essential for the development of neuroprotective strategies. Endocannabinoids constitute a novel class of lipids that regulate mammalian cell apoptosis and the pathogenesis of neuroinflammatory and neurodegenerative diseases. In addition to well-described pharmacological actions in the brain, such as analgesia, hypokinesia, and hypothermia, endocannabinoids have been recently reported to control neuronal cell fate in various neuropathological conditions. Following brain injury, endocannabinoids are released, causing both protective and degenerative effects. Several hypotheses have been proposed to explain their role, but the mechanisms by which they act are largely unknown. New evidence indicates that the endocannabinoid system is a key participant in the determination of cell fate in remote cell death and its associated mechanisms. This review addresses recent findings on endocannabinoid function, focusing particularly on the relationships between the nitrergic, purinergic, and endocannabinoid systems.
Insights
Remote brain damage impacts functional outcomes. The endocannabinoid system plays a key role in cell fate determination after CNS injury, influencing neuroprotection and neurodegeneration.
Area of Science:
- Neuroscience
- Pathology
- Neurobiology
Background:
- Functional impairment after central nervous system (CNS) lesions is influenced by remote, functionally connected regions.
- Remote neuropathological changes predict outcomes in stroke, multiple sclerosis, and brain trauma.
- Understanding these remote effects is crucial for developing neuroprotective strategies.
Purpose of the Study:
- To review recent findings on endocannabinoid system (ECS) function in neuropathology.
- To explore the ECS's role in determining cell fate in remote cell death.
- To examine the interplay between nitrergic, purinergic, and endocannabinoid systems.
Main Methods:
- Literature review of studies on endocannabinoids and CNS injury.
- Analysis of research on endocannabinoid roles in apoptosis and neuroinflammation.
- Examination of evidence linking ECS to remote cell death mechanisms.
Main Results:
- Endocannabinoids regulate mammalian cell apoptosis and neurodegenerative disease pathogenesis.
- Following brain injury, endocannabinoids exert both protective and degenerative effects.
- Emerging evidence highlights the ECS as central to cell fate determination in remote cell death.
Conclusions:
- The endocannabinoid system is a critical factor in remote cell death mechanisms following CNS lesions.
- Further research into the ECS's role is essential for advancing neuroprotective therapies.
- Interactions between nitrergic, purinergic, and endocannabinoid systems warrant deeper investigation.
Related Concept Videos
Overview 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...
The Extrinsic Apoptotic Pathway
Cellular Injury V: Apoptosis and Autophagy
Autophagic Cell Death
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and pro-apoptotic...
Apoptosis
The Intrinsic Apoptotic Pathway
