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Cerebral microvascular dysfunction and neurodegeneration in dementia
1Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China.
Stroke and Vascular Neurology
|July 25, 2019
Summary
Brain microvascular dysfunction triggers inflammation, leading to neuronal loss and dementia. Understanding this link is key to finding new dementia treatments.
Area of Science:
- Neuroscience
- Vascular Biology
- Pathology
Background:
- Normal learning and memory depend on neural and vascular cell coordination.
- Brain microvasculature dysfunction is linked to neuroinflammation, neuronal loss, and dementia.
- No new dementia drugs have been approved since 2003.
Purpose of the Study:
- To review molecular mechanisms linking cerebral microvascular dysfunction to neurodegeneration.
- To identify potential diagnostic and treatment targets for dementia.
Main Methods:
- Review of recent basic and clinical studies.
- Focus on molecular events including oxidative stress, metabolic dysfunction, inflammation, and synaptic plasticity.
Main Results:
- Cerebral microvascular dysfunction activates brain inflammatory cells.
- This activation contributes to progressive neuronal loss and dementia.
- Key molecular pathways identified: oxidative/nitrosative stress, metabolic dysfunction, inflammatory signaling, and synaptic plasticity.
Conclusions:
- Understanding the neural-vascular coupling is crucial for dementia research.
- Identifying disruptions in this coupling can reveal new therapeutic targets.
- This knowledge is vital for developing novel dementia diagnostics and treatments.
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