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Positron Emission Tomography Imaging for In Vivo Measuring of Myelin Content in the Lysolecithin Rat Model of Multiple Sclerosis
Published on: February 28, 2021
Imaging phenotypes in multiple sclerosis
Stefan Dirk Roosendaal1, Frederik Barkhof1
1Department of Radiology & Nuclear Medicine, Neuroscience Campus Amsterdam, VU University Medical Center, PO Box 7057, Amsterdam, 1007 MB, The Netherlands.
Abstract:
Multiple sclerosis (MS) is a common disease of the central nervous system, with various clinical symptoms and a heterogeneous disease course. MRI can depict focal and diffuse manifestations of the disease, and accurately measure progression over time. The precise pathogenesis of MS is unknown. Nevertheless, genetic influences have been found for susceptibility to MS in linkage and association studies. More recent genome-wide association studies have revealed other genes to be related to disease susceptibility and severity, explaining part of the variability in symptoms, radiological manifestations and disease course. Studies relating genetics and imaging in MS are discussed in this paper.
Insights
Multiple sclerosis (MS) is a central nervous system disease with varied symptoms. Genetic factors influence MS susceptibility and severity, impacting clinical and radiological aspects, as explored through genetic and imaging studies.
Area of Science:
- Neurology
- Neuroimmunology
- Medical Genetics
Background:
- Multiple sclerosis (MS) is a prevalent central nervous system disorder characterized by diverse clinical presentations and disease progression.
- Magnetic Resonance Imaging (MRI) is crucial for visualizing MS lesions and monitoring disease advancement.
- The exact cause of MS remains elusive, but genetic predisposition plays a significant role.
Purpose of the Study:
- To review and discuss the current understanding of genetic influences on multiple sclerosis.
- To explore the relationship between genetic factors and the radiological manifestations of MS.
- To examine how genetic variations contribute to the heterogeneity in MS symptoms and disease course.
Main Methods:
- Review of linkage and association studies identifying MS susceptibility genes.
- Analysis of genome-wide association studies (GWAS) for genes related to MS risk and severity.
- Discussion of studies integrating genetic data with neuroimaging findings in MS patients.
Main Results:
- Genetic studies have identified numerous genes associated with MS susceptibility.
- Genome-wide association studies have elucidated genetic contributions to MS severity and variability.
- Genetic factors explain a portion of the observed differences in symptoms, MRI findings, and disease progression.
Conclusions:
- Genetics significantly impacts multiple sclerosis susceptibility and disease characteristics.
- Integrating genetic information with neuroimaging provides deeper insights into MS pathogenesis.
- Further research into gene-environment interactions is crucial for understanding MS heterogeneity.

