Immunomodulating effects of endotoxin in mouse models of allergic asthma

Z. Zhu, S. Y. Oh, T. Zheng, Y. K. Kim

Research output: Contribution to journalArticle

Abstract

Endotoxin or lipopolysaccharide (LPS) is a cell wall component of Gram-negative bacteria. Like aeroallergens, LPS is ubiquitous in our living environment. Epidemiology studies in young children have found that LPS exposure at home is inversely correlated with the development of atopic diseases, thus the 'hygiene hypothesis' for allergic diseases. However, positive association has also been found between indoor LPS exposure and the development of wheezing or asthma in children. In humans, experimental exposure to LPS in the airways can cause inflammatory responses and lung function changes directly or modulate responses to allergens indirectly, particularly in those with asthma. In animal studies, experimental exposure to LPS has generated some conflicting, sometimes opposite, results in host responses to allergen stimulation. In this article, we will review recent advances in our understanding of the immunomodulating effects of LPS on allergen-induced responses and analyse some of the possible reasons for the inconsistent findings.

Original languageEnglish (US)
Pages (from-to)536-546
Number of pages11
JournalClinical and Experimental Allergy
Volume40
Issue number4
DOIs
StatePublished - Apr 2010

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Endotoxins
Lipopolysaccharides
Asthma
Allergens
Hygiene Hypothesis
Respiratory Sounds
Cellular Structures
Gram-Negative Bacteria
Cell Wall
Epidemiology
Lung

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Immunomodulating effects of endotoxin in mouse models of allergic asthma. / Zhu, Z.; Oh, S. Y.; Zheng, T.; Kim, Y. K.

In: Clinical and Experimental Allergy, Vol. 40, No. 4, 04.2010, p. 536-546.

Research output: Contribution to journalArticle

Zhu, Z. ; Oh, S. Y. ; Zheng, T. ; Kim, Y. K. / Immunomodulating effects of endotoxin in mouse models of allergic asthma. In: Clinical and Experimental Allergy. 2010 ; Vol. 40, No. 4. pp. 536-546.
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