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Stress, cognitive impairment and cell adhesion molecules
1Laboratory of Behavioral Genetics, Brain Mind Institute, Swiss Federal Institute of Technology, EPFL, CH-1015 Lausanne, Switzerland. carmen.sandi@epfl.ch
Nature Reviews. Neuroscience
|November 20, 2004
Summary
Stress impacts brain function, with neuronal cell adhesion molecules like NCAM and L1 potentially mediating these effects. Targeting these molecules may offer new treatments for stress-related cognitive issues.
Area of Science:
- Neuroscience
- Molecular Biology
- Stress Research
Background:
- Stress significantly alters brain structure and function, yet mechanisms remain unclear.
- Neuronal cell adhesion molecules (NCAMs) and L1 are implicated in stress response pathways.
- Chronic stress can cause hippocampal atrophy and spatial learning deficits in rodents.
Purpose of the Study:
- To investigate the role of NCAM and L1 in stress-induced brain changes.
- To explore cell adhesion molecules as potential therapeutic targets for cognitive disturbances.
Main Methods:
- Rodent models of chronic stress.
- Analysis of cell adhesion molecule expression patterns.
- Assessment of hippocampal structure and spatial learning abilities.
Main Results:
- Chronic stress induced specific changes in NCAM and L1 expression.
- These expression patterns correlate with hippocampal atrophy and impaired spatial learning.
- Findings suggest a dual role for cell adhesion molecules in neuronal damage and protection.
Conclusions:
- Cell adhesion molecules are key mediators of stress effects on the brain.
- Targeting NCAM and L1 may offer novel therapeutic strategies for stress-related cognitive impairments.