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ISRN Allergy. 2011 Dec 29;2011:195846. doi: 10.5402/2011/195846. Print 2011.

Airway epithelium in atopic and nonatopic asthma: similarities and differences.

ISRN allergy

Prathap Pillai, Chris J Corrigan, Sun Ying

Affiliations

  1. MRC and Asthma UK Centre for Allergic Mechanisms of Asthma, The Department of Asthma, Allergy and Respiratory Science, Tower Wing, Guy's Hospital, King's College London, London SE1 9RT, UK.

PMID: 23724224 PMCID: PMC3658807 DOI: 10.5402/2011/195846

Abstract

Asthma is an inflammatory disorder of the airways, and the airway epithelium has the central role in its pathogenesis. In general, the airway inflammation is characterised by the infiltration of the epithelium and submucosa by a range of inflammatory cells driven largely by Th-2 lymphocytes, eosinophils, and mast cells. The pathogenic mechanisms of nonatopic asthma in comparison to its atopic counterpart have always been a subject of debate. Although clinically are two distinct entities, more similarities than differences have been observed between the two in terms of immunopathogenesis, underlying IgE mechanisms, and so on. in a number of previous studies. More information has become available in recent years comparing the ultrastructure of the epithelium in these two types of asthma. A comparison of airway epithelium in atopic and nonatopic asthma is presented here from the available information in the literature. Similarities outnumber the differences, until we unravel the mystery surrounding these two important phenotypes of asthma in more detail.

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