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Multiple Sclerosis and Air Pollution Exposure: Mechanisms Toward Brain Autoimmunity Publisher Pubmed



Esmaeil Mousavi S1 ; Heydarpour P2 ; Reis J3 ; Amiri M1 ; Sahraian MA2
Authors
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Authors Affiliations
  1. 1. Social Health Determinants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
  2. 2. MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Service de Neurologie, Centre Hospitalier Universitaire, Hopital de Hautepierre, 1, avenue Moliere, Strasbourg, 67200, France

Source: Medical Hypotheses Published:2017


Abstract

The association between neurodegenerative diseases and environmental exposures, in particular air pollution, has been noticed in the last two decades, but the importance of this environmental factor in multiple sclerosis (MS) pathogenesis has not been considered extensively. However, recent evidence suggests that major mechanisms involved in MS pathogenesis, such as inflammatory factors expression, free radicals overproduction, the blood brain barrier (BBB) breakdown, neuroinflammation, vitamin D deficiency and mitochondrial dysfunction could also occur due to exposure to air pollutants. A prospective hypothesis is suggested here in which exposure to air pollutants may initiate destructive mechanisms inducing inflammatory-oxidative cascades, reduction of immunological self-tolerance and neurodegeneration leading to brain autoimmunity. © 2017
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