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Updated: Sep 2, 2025
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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
Published on: July 19, 2019
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Epidemiology and Pathophysiology of Multiple Sclerosis
Continuum (Minneapolis, Minn.)
|August 8, 2022
Summary
Multiple sclerosis (MS) risk and progression are influenced by genetic, environmental, and lifestyle factors. Emerging research highlights the roles of B cells and microglia in MS pathophysiology, alongside traditional T-cell involvement.
Area of Science:
- Neuroimmunology
- Genetics
- Epidemiology
Background:
- Multiple sclerosis (MS) prevalence and care costs have risen, with potential for increased severity in Black, Asian, and Hispanic populations.
- Identified MS risk factors include genetics, low vitamin D, Epstein-Barr virus, smoking, and childhood obesity.
- MS pathophysiology involves T-cells, B-cells, and microglia, impacting both relapsing and progressive forms.
Purpose of the Study:
- To provide an overview of genetic, environmental, and lifestyle risk factors for multiple sclerosis (MS).
- To review the pathophysiologic characteristics of relapsing and progressive MS.
- To highlight recent advances in understanding MS disease course and pathology.
Main Methods:
- Literature review of genetic, environmental, and lifestyle factors in MS.
- Analysis of pathophysiologic mechanisms in relapsing and progressive MS.
- Examination of emerging research on immune cell roles (B cells, microglia) and neurodegeneration in MS.
Main Results:
- Complex interactions of genetic, environmental, and lifestyle factors influence MS risk and disease course.
- People of color may face unique considerations in MS, with historical underrepresentation in research.
- MS pathology involves inflammatory lesions and a progressive neurodegenerative component.
Conclusions:
- Understanding the interplay of various factors is crucial for managing MS.
- Further research is needed to clarify MS in diverse populations and develop targeted therapies.
- Advances in characterizing MS inflammation and neurodegeneration offer potential therapeutic targets.
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