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Tag Archive 'Hygiene Hypothesis'

In 2005 Sarkis Mazmanian and colleagues showed that a single polysaccharide from an intestinal commensal, Bacteroides fragilis, could largely correct the subnormal and functionally distorted development of the immune system that occurs in germ-free mice (Mazmanian et al. 2005). More recently they have shown, using three different models of intestinal inflammation, that the same polysaccharide, [...]

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Do worms protect us against autoimmune diseases? The epidemiological evidence is strongly suggestive. Ethiopian, Brazilian, Venezuelan, and Gambian adults have less asthma when infected with nematodes; Gabonese schoolchildren with schistosomiasis have fewer allergic reactions to dust mites than do those who are not so infected, and children living on farms in Germany have fewer allergies [...]

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Thanks to Jeff Kopmanis at the University of Michigan for technical help that makes this publication possible.