The role of ADAM33 in the pathogenesis of asthma

Cakebread, Julie A., Haitchi, H.-M., Holloway, John W., Powell, Robert M., Keith, Tim, Davies, Donna E. and Holgate, Stephen T. (2004) The role of ADAM33 in the pathogenesis of asthma. Springer Seminars in Immunopathology, 25 (3-4), 361-375. (doi:10.1007/s00281-003-0153-z).

Abstract

While asthma is a disorder of the conducting airways characterised by Th2-directed inflammation, a second set of mechanisms is being increasingly recognised as fundamental to disease chronicity and severity, for which the term "remodelling" has been used. The cellular and mediator responses underpinning airway remodelling involve aberrant communication between the airway epithelium and underlying mesenchyme, involving the generation of growth factors that lead to proliferation of fibroblasts and smooth muscle and the deposition of matrix proteins to cause airway wall thickening linked to bronchial hyperresponsiveness and fixed airflow obstruction. The identification of ADAM33 on chromosome 20p13 from positional cloning as a novel candidate gene involved in the pathogenesis of these structural and functional changes has opened the way to further insight into these processes that contribute to corticosteroid refractoriness. The preferential expression of ADAM33 in mesenchymal cells and its multiple molecular actions provide ample opportunity for incriminating this molecule in chronic asthma. Its association with progressive asthma and in predicting reduced lung function in young children suggest that ADAM33 has an important role in the natural history and possibly the origins of asthma, a disease unique to humans.

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Contributors

Author: H.-M. Haitchi

Author: John W. Holloway

Author: Donna E. Davies

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