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Updated: Aug 16, 2026

Induction of Maternal Immune Activation in Mice at Mid-gestation Stage with Viral Mimic Poly(I:C)
Published on: March 25, 2016
Abstract:
The aetiology of multiple sclerosis MS is not known. Most research workers believe a viral aetiology. An alternate theory - namely transplacental induction of MS is outlined. Correlative evidence is drawn from epidemiological studies, models of transplacentally induced conditions, metabolic disturbances in utero that can affect myelin development or result in offspring with defective immunological competence and surveillance. The relationship between B group vitamin deficiencies and mineral deficiencies and MS is considered. Primary, secondary and tertiary prevention of MS in view of this theory is outlined.
Insights
The cause of multiple sclerosis (MS) remains unknown, but a transplacental induction theory is proposed. This theory suggests MS may originate during pregnancy, impacting myelin development and immune function.
Area of Science:
- Neurology
- Immunology
- Developmental Biology
Background:
- The etiology of multiple sclerosis (MS) is currently unknown.
- The prevailing hypothesis suggests a viral cause for MS.
- An alternative theory proposes transplacental induction as a potential cause.
Purpose of the Study:
- To outline an alternative theory for the etiology of multiple sclerosis (MS).
- To explore the concept of transplacental induction as a cause of MS.
- To consider preventative strategies for MS based on this theory.
Main Methods:
- Review of epidemiological studies.
- Examination of models for transplacentally induced conditions.
- Analysis of in utero metabolic disturbances affecting myelin and immunity.
Main Results:
- Correlative evidence supports transplacental induction as a potential MS etiology.
- In utero factors like metabolic disturbances can impact offspring myelin and immune competence.
- Deficiencies in B group vitamins and minerals are considered in relation to MS.
Conclusions:
- Transplacental induction offers a novel perspective on MS etiology.
- Understanding in utero influences may reveal pathways to MS development.
- This theory provides a basis for exploring primary, secondary, and tertiary MS prevention strategies.

