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Hormonal factors in susceptibility to multiple sclerosis
1Hôpital Notre-Dame, Québec, Canada.
Current Opinion in Neurology and Neurosurgery
|April 1, 1993
Summary
Hormonal factors influence multiple sclerosis (MS) susceptibility, with women experiencing higher incidence. Pregnancy positively impacts the course of MS, suggesting hormonal interactions are key in disease development and progression.
Area of Science:
- Neuroimmunology
- Endocrinology
- Genetics
Background:
- Multiple sclerosis (MS) exhibits a higher prevalence in women, particularly in early- and late-onset cases.
- Diseases linked to class II alleles are disproportionately observed in females.
- Pregnancy demonstrates a beneficial effect on the short- and long-term progression of multiple sclerosis.
Purpose of the Study:
- To explore the role of hormonal factors in multiple sclerosis (MS) susceptibility.
- To investigate the influence of sex steroids on MS incidence and severity.
- To understand the interplay between immune, endocrine, neurologic, and genetic systems in MS.
Main Methods:
- Review of epidemiological data on MS prevalence in relation to sex and onset age.
- Analysis of the impact of pregnancy on MS course.
- Examination of experimental allergic encephalomyelitis (EAE) as a model for hormonal influence.
Main Results:
- Hormonal factors are implicated in multiple sclerosis susceptibility.
- Multiple sclerosis is more prevalent in women across different age groups.
- Pregnancy exerts a positive influence on the disease course.
- Experimental allergic encephalomyelitis (EAE) severity and occurrence are modulated by hormonal factors.
Conclusions:
- Sex hormones play a significant role in multiple sclerosis susceptibility.
- The complex interactions between hormonal, immune, neurological, and genetic factors likely mediate the effects of sex steroids in MS.
- Further research into hormonal modulation could offer new therapeutic avenues for multiple sclerosis.