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. 2004 Sep 1;173(5):3281-6.
doi: 10.4049/jimmunol.173.5.3281.

Arthropod-derived histamine-binding protein prevents murine allergic asthma

Isabelle Couillin  1 , Isabelle Maillet, B Boris Vargaftig, Muazzam Jacobs, Guido C Paesen, Patricia A Nuttall, Jean Lefort, René Moser, Wynne Weston-Davies, Bernhard Ryffel
Affiliations

Arthropod-derived histamine-binding protein prevents murine allergic asthma

Isabelle Couillin et al. J Immunol. .

Abstract

Because histamine receptor type I blockade attenuates allergic asthma, we asked whether complete neutralization of histamine by an arthropod-derived, high affinity histamine-binding protein (EV131) would prevent allergic asthma. Intranasal administration of EV131 given before Ag challenge in immunized mice prevented airway hyperreactivity by 70%, and abrogated peribronchial inflammation, pulmonary eosinophilia, mucus hypersecretion, and IL-4 and IL-5 secretion. Saturation with histamine abrogated the inhibitory effect of EV131 on bronchial hyperreactivity. The inhibitory effect of EV131 on bronchial hyperreactivity was comparable to that of glucocorticosteroids. These results demonstrate that histamine is a critical mediator of allergic asthma. Therefore, complete neutralization of histamine, rather than specific histamine receptor blockade, may have a profound effect on allergic asthma.

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