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Published on: January 10, 2019
Optical tools to produce and study small strokes in animal models
1Department of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA. cs385@cornell.edu
Summary
New optical tools enable the creation and study of small-scale brain strokes in rodents. This advances research into dementia and neurodegenerative diseases by modeling microvascular lesions.
Area of Science:
- Neuroscience
- Biomedical Optics
- Cerebrovascular Research
Background:
- Microvascular brain lesions (ischemic and hemorrhagic) are linked to dementia in the elderly.
- Effective treatments are limited due to a lack of suitable animal models for studying disease progression and therapeutic evaluation.
Purpose of the Study:
- To present advances in optical techniques for creating and analyzing rodent models of microvascular brain lesions.
- To provide a platform for studying the impact of small-scale strokes on brain function and their interaction with neurodegenerative conditions.
Main Methods:
- Utilizing advanced optical techniques for targeted induction of single-vessel occlusions and hemorrhages in rodent cerebral cortex.
- Quantitatively analyzing the effects of these lesions on local blood flow, adjacent vascular networks, and neuronal health.
Main Results:
- Demonstrated optical methods for precise creation of microvascular lesions in rodent brains.
- Enabled quantitative assessment of lesion impact on cerebral blood flow and neural tissue.
Conclusions:
- Developed a comprehensive animal model for studying small-scale strokes and their consequences.
- This model facilitates research into neural damage progression and interactions with diseases like Alzheimer's.
