The Causal Cascade to Multiple Sclerosis: A Model for MS Pathogenesis
2009

Understanding Multiple Sclerosis Pathogenesis

publication 10 minutes Evidence: high

Author Information

Author(s): Douglas S. Goodin

Primary Institution: University of California San Francisco

Hypothesis

The study investigates the role of genetic and environmental factors in the pathogenesis of multiple sclerosis (MS).

Conclusion

The study concludes that genetic susceptibility is the most significant factor in MS pathogenesis, with environmental factors also playing a role.

Supporting Evidence

  • Over 99% of individuals seem genetically incapable of developing MS, regardless of environmental exposures.
  • Men are 60% more likely to be genetically susceptible to MS than women.
  • MS prevalence has increased by at least 32% in Canada over the past 35 years.

Takeaway

This study looks at how both genes and the environment can cause multiple sclerosis, a disease that affects the nervous system.

Methodology

A mathematical model was developed to incorporate genetic and environmental factors into a causal scheme for MS.

Potential Biases

Potential biases may arise from the observational nature of the data and the reliance on historical epidemiological studies.

Limitations

The study may not account for all environmental factors influencing MS and relies on existing epidemiological data.

Participant Demographics

The study discusses MS prevalence in various populations, particularly in northern Europe and North America.

Statistical Information

P-Value

p<10−23

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004565

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