High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children.

High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children. Research Abstract Details 

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High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children. Abstract Text:

H Takeuchi,K Zaman,J Takahashi,M Yunus,H R Chowdhury,S El Arifeen,A Baqui,S Wakai,T Iwata,H Takeuchi,K Zaman,J Takahashi,M Yunus,H R Chowdhury,S El Arifeen,A Baqui,S Wakai,T Iwata,

BACKGROUND: Increasing interest has arisen whether helminthic infections protect against asthma and allergy. The prevalence of wheezing among Bangladeshi children is higher in rural areas where helminthic infectious burden is greater, which is contrary to the general assumption. OBJECTIVE: We therefore examined the association between Ascaris infection, serum level of anti-Ascaris IgE, which should be investigated differently from the infection, and wheezing in 5-year-old children from rural Bangladesh. METHODS: A total of 219 children who reported wheezing during the previous 12 months and 122 randomly selected age-matched individuals who had never experienced wheezing were tested for serum levels of total and specific Ascaris, Dermatophagoides pteronyssinus, alternaria and cockroach IgEs, and for intestinal helminth infection as well. RESULTS: Anti-Ascaris IgE levels were significantly and independently associated with current wheezing during the previous 12 months [odds ratio (OR) per log(e) increment is 1.31 (95% confidence interval (CI) 1.08-1.60), P=0.007], a history of at least four episodes of wheezing [OR per log(e) increment is 1.52 (95% CI 1.18-1.96), P=0.001], wheezing with sleep disturbances [OR per log(e) increment is 1.35 (95% CI 1.10-1.64), P=0.011] and wheezing with speech disturbances [OR per log(e) increment is 1.57 (95% CI 1.19-2.08), P=0.001]. These were adjusted for gender, pneumonia history, parental asthma, Trichuris infection, use of dry leaves as fuel and other specific IgE levels. The prevalence of Ascaris infection by the presence of wheezing was not significantly different (76% vs. 72%, respectively). CONCLUSION: We conclude that a high titre of anti-Ascaris IgE is associated with an increased risk of asthma symptoms among 5-year-old rural Bangladeshi children with a high helminthic infectious load.

High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children. Publishing Authors By Initials

H Takeuchi,K Zaman,J Takahashi,M Yunus,HR Chowdhury,SE Arifeen,A Baqui,S Wakai,T Iwata,H Takeuchi,K Zaman,J Takahashi,M Yunus,HR Chowdhury,SE Arifeen,A Baqui,S Wakai,T Iwata,

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High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Clinical and experimental allergy : journal of the

VOLUME: 38

Page Numbers: 276-82

Journal Abbreviation: Clin. Exp. Allergy

ISSN: 1365-2222

DAY: 7

MONTH: 12

YEAR: 2007

High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children. Information

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LANGUAGE: eng

NlmUniqueID: 8906443

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Grant and Affiliation Information for High titre of anti-Ascaris immunoglobulin E associated with bronchial asthma symptoms in 5-year-old rural Bangladeshi children.

AFFILIATION: Department of International Community Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. htakeuchi-tky@umin.net

Country: England

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MEDLINETA: Clin Exp Allergy

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