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T-lymphocyte activation and the levels of eosinophilic cationic protein and interleukin-5 in asthmatic children with acute exacerbation and effect of glucocorticoid treatment

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The aim of this study was to evaluate the immunologic parameters and the effects of glucocorticoid treatment, the absolute numbers of CD4+/CD25+ T lymphocytes, eosinophil counts, levels of eosinophilic cationic protein (ECP), and interleukin (IL)-5 in peripheral blood of patients having acute asthma exacerbations and healthy children were investigated. Samples for the absolute numbers CD4+/CD25+ T lymphocyte and eosinophil count, ECP, and IL-5 were obtained before (day 1) and after (day 5) glucocorticoid treatment. Forced expiratory volume in 1 second and peak expiratory flow rate were measured on days 1 and 5 in asthma patients (n = 25) and in the control group (n = 15). The absolute numbers of CD4+/CD25+ T lymphocyte and eosinophils, levels of ECP, and IL-5 were significantly greater, while forced expiratory volume in 1 second and peak expiratory flow rate were significantly less in the patients with asthma than in the control subjects on day 1. These parameters normalized after glucocorticoid treatment with clinical improvement by day 5. Glucocorticoid treatment is associated with clinical and laboratory improvement achieved in patients with acute asthma exacerbations.
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Document Type: Research Article

Publication date: July 1, 2006

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma and by having the potential to directly impact the quality of patient care. AAP welcomes the submission of original works including peer-reviewed original research and clinical trial results. Additionally, as the official journal of the Eastern Allergy Conference (EAC), AAP will publish content from EAC poster sessions as well as review articles derived from EAC lectures.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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