Cited by 39

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Immunologic responses to common antigens in helminthic infections and allergic disease

Arruda, L Karla, Santos, Ana Beatriz R·2005·Current Opinion in Allergy & Clinical Immunology

Abstract

Purpose of review It is estimated that over 1 billion individuals are infected with helminth parasites worldwide. Epidemiologic studies have pointed to a protective role of helminthic infections in the development of allergy and asthma; however, evidence for this inverse association has not been consistently established. The focus of this review is to discuss the potential role of shared antigens between parasites and environmental allergens in modulating allergic immune responses, specifically tropomyosin. Recent findings Tropomyosin has been identified as a highly conserved molecule in invertebrates. In populations exposed concomitantly to mites, cockroach, Ascaris, and shrimp and other crustaceans and mollusks, IgE antibody responses to tropomyosin are found in over 50% of individuals. Evidence suggests that IgE cross-reactivity to tropomyosin has clinical relevance. Summary Mechanisms underlying the immunomodulatory effects of parasites in allergy and asthma remain poorly understood. Identification of molecules in intestinal parasites, particularly Schistosoma mansoni and Ascaris lumbricoides, associated with protection from or promotion of allergy and asthma, could provide the basis for novel forms of treatment or prevention of these diseases. Prospective studies will be necessary to clarify the role of tropomyosin and other parasite antigens shared with inhalant or food allergens in the development of allergic diseases.

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Research works printed but not linked: 21

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Metadata

Authors
Arruda, L. K., & Santos, A. B. R.
Venue
Current Opinion in Allergy & Clinical Immunology
Published
2005-10
Volume
5
Issue
5
Pages
399-402
ISSN
1528-4050
Cited by
39
References
0
Language
en

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