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Respiratory allergy to the indoor ant (Monomorium pharaonis) not related to sting allergy

Authors
 Cheol-Woo Kim  ;  Soo-Young Choi  ;  Jung-Won Park  ;  Chein-Soo Hong 
Citation
 Annals of Allergy, Asthma & Immunology, Vol.94(2) : 301-306, 2005 
Journal Title
 Annals of Allergy, Asthma & Immunology 
ISSN
 1081-1206 
Issue Date
2005
Abstract
BACKGROUND: Many studies are available on systemic reactions to ant sting, but few have described the direct role of ants in respiratory allergy. The nonstinging house ant, Monomorium pharaonis (pharaoh ant), is a highly infesting species in indoor environments. OBJECTIVE: To determine whether the pharaoh ant is an indoor source of aeroallergens. METHODS: Two patients with asthma who lived in homes with ant infestation were enrolled. Pharaoh ants were collected at the patients' homes, and crude extracts were prepared. Skin prick tests with ant extracts were performed. Specific IgE to pharaoh ant was measured by enzyme-linked immunosorbent assay (ELISA), and the allergenic components were determined by using immunoblot analysis. Cross-reactivity among pharaoh ant, imported fire ant, Pachycondyla chinensis ant, and other indoor allergens was evaluated by ELISA inhibition tests. Specific bronchial challenge testing was performed using pharaoh ant extracts. RESULTS: Both patients had positive skin test reactions to pharaoh ant extract and high levels of specific IgE antibodies to pharaoh ant. The ELISA inhibition test results demonstrated significant inhibition by pharaoh ant; however, P. chinensis, cockroach, and house dust mite showed no inhibition of the IgE binding to pharaoh ant. Two important IgE-binding components, 9.4 and 34 kDa, were identified by using immunoblot analysis. Pharaoh ant bronchial challenge test results showed typical early asthmatic reactions in 1 patient and dual asthmatic reactions in the other patient. CONCLUSIONS: Ants can induce IgE-mediated bronchoconstriction regardless of sting in sensitized patients. Ants should be taken into consideration as a cause of respiratory allergy in patients living in homes with visual evidence of infestation. PMID: 15765749 [PubMed - indexed for MEDLINE]
Full Text
http://www.sciencedirect.com/science/article/pii/S1081120610613129
DOI
10.1016/S1081-1206(10)61312-9
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
김철우(Kim, Cheol Woo)
박중원(Park, Jung Won) ORCID logo https://orcid.org/0000-0003-0249-8749
홍천수(Hong, Chein Soo)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/151269
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