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In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice
Published on: July 22, 2014
MRI in experimental inflammatory and mitochondrial optic neuropathies
1Department of Ophthalmology and Neurology, University of Florida College of Medicine, Gainesville, FL 32610, USA. johnguy@eye.ufl.edu
NMR in Biomedicine
|August 30, 2008
Summary
Magnetic Resonance Imaging (MRI) aids in studying optic nerve damage in animal models. Contrast agents visualize blood-optic nerve barrier disruptions and neuronal changes, offering insights into disease pathogenesis.
Area of Science:
- Neuroscience
- Medical Imaging
- Ophthalmology
Background:
- Magnetic Resonance Imaging (MRI) is crucial for assessing optic nerve changes in animal models of human diseases.
- MRI-histopathology correlations enhance understanding of disease pathogenesis.
- Paramagnetic contrast agents enable serial visualization of blood-optic nerve barrier integrity and neuronal alterations in vivo.
Purpose of the Study:
- To review the application of MRI in optic nerve imaging within our research group.
- To highlight the utility of MRI in experimental autoimmune encephalomyelitis and genetically induced neurodegeneration models.
Main Methods:
- Utilizing MRI for structural and functional evaluation of the optic nerve in experimental models.
- Employing paramagnetic contrast agents for serial imaging of blood-optic nerve barrier disruptions.
- Correlating MRI findings with histopathological data.
Main Results:
- MRI effectively visualizes structural and functional optic nerve alterations.
- Contrast-enhanced MRI allows for serial assessment of blood-optic nerve barrier status.
- Imaging revealed insights into pathogenesis in experimental autoimmune encephalomyelitis and neurodegeneration.
Conclusions:
- MRI is a valuable non-invasive tool for studying optic nerve diseases in animal models.
- Serial imaging with contrast agents provides critical data on disease progression and therapeutic targets.
- Our group's experience demonstrates MRI's utility in understanding complex neurological conditions affecting the optic nerve.
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