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The ‘hygiene hypothesis’ for autoimmune and allergic diseases: an update

Open access
Okada, H, Kuhn, C, Feillet, H, Bach, J-F·2010·Clinical and Experimental Immunology

Abstract

Summary: According to the ‘hygiene hypothesis’, the decreasing incidence of infections in western countries and more recently in developing countries is at the origin of the increasing incidence of both autoimmune and allergic diseases. The hygiene hypothesis is based upon epidemiological data, particularly migration studies, showing that subjects migrating from a low-incidence to a high-incidence country acquire the immune disorders with a high incidence at the first generation. However, these data and others showing a correlation between high disease incidence and high socio-economic level do not prove a causal link between infections and immune disorders. Proof of principle of the hygiene hypothesis is brought by animal models and to a lesser degree by intervention trials in humans. Underlying mechanisms are multiple and complex. They include decreased consumption of homeostatic factors and immunoregulation, involving various regulatory T cell subsets and Toll-like receptor stimulation. These mechanisms could originate, to some extent, from changes in microbiota caused by changes in lifestyle, particularly in inflammatory bowel diseases. Taken together, these data open new therapeutic perspectives in the prevention of autoimmune and allergic diseases.

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Metadata

Authors
Okada, H., Kuhn, C., Feillet, H., & Bach, J.-F.
Venue
Clinical and Experimental Immunology
Published
2010-03-11
Volume
160
Issue
1
Pages
1-9
ISSN
  • 0009-9104 (ISSN-L)
  • 1365-2249
OpenAlex
W1809561724
Cited by
1,164
References
15
FWCI
38.62
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The ‘hygiene hypothesis’ for autoimmune and allergic diseases: an update. https://app.cochat.ai/papers/10.1111/j.1365-2249.2010.04139.x
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Okada, H., Kuhn, C., Feillet, H., & Bach, J.-F. (2010). The ‘hygiene hypothesis’ for autoimmune and allergic diseases: an update. Clinical and Experimental Immunology. https://doi.org/10.1111/j.1365-2249.2010.04139.x

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