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Free Content Diet Quality Affects Allergic Peritonitis in Mice

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Abstract:

Reasons for the increased prevalence of allergies observed in recent decades remain elusive. Here, we used a murine model to investigate the effect of nutrition on ovalbumin-induced allergic peritonitis. Compared to the organs of mice kept on a standard diet, mice exposed to a low quality diet during the growth period showed a decrease in the mass of metabolic (liver and heart) and, to a much larger extent, in lymphatic (thymus and spleen) organs, but not in testes or intestine mass. Moreover, diet manipulation affected the number of polymorphonuclear granulocytes as well as mast cell number and /or their responsiveness. During allergic peritonitis, mast cells from animals kept on the standard diet reacted to an allergen with degranulation, while the reaction in mice kept on the low quality diet was significantly weaker. However, the immunomodulators of this process remain unidentified as diet quality affected neither anti-ovalbumin IgE level nor synthesis/release of anti-inflammatory IL-10. Further work is needed to identify underlying immunomodulators.

Keywords: ALLERGY; CONDITION-DEPENDENCE; HYGIENE HYPOTHESIS; IGE; IL-10; MAST CELLS; POLYMORPHONUCLEAR GRANULOCYTES

Document Type: Research Article

DOI: http://dx.doi.org/10.3409/fb59_1-2.07-11

Publication date: January 1, 2011

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  • Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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