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Am J Physiol Lung Cell Mol Physiol 297: L795-L802, 2009. First published August 21, 2009; doi:10.1152/ajplung.00132.2009
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Review

Role of lung iron in determining the bacterial and host struggle in cystic fibrosis

D. W. Reid,1 G. J. Anderson,2 and I. L. Lamont3

1Menzies Research Institute, Hobart, Tasmania; ; 2Iron Metabolism Unit, Queensland Institute of Medical Research, Brisbane, Australia; and ; 3Department of Biochemistry, University of Otago, Dunedin, New Zealand

Submitted 20 April 2009 ; accepted in final form 17 August 2009

Cystic fibrosis (CF) is the most common lethal genetic disorder in Caucasian populations. It is a multiorgan system disease that affects the lungs, gastrointestinal tract, liver, and pancreas. The majority of morbidity and mortality in CF relates to chronic airway infection with a variety of bacterial species, commencing in very early infancy, which results in lung destruction and ultimately organ failure (41, 43). This review focuses on iron homeostasis in the CF lung and its role in determining the success and chronicity of Pseudomonas aeruginosa infection. There have been previous excellent reviews regarding iron metabolism in the lower respiratory tract and mechanisms of P. aeruginosa iron acquisition, and we direct readers to these articles for further background reading (31, 53, 58, 77, 96). In this review, we have brought the "two sides of the coin" together to provide a holistic overview of the relationship between host and bacterial iron homeostasis and put this information into the context of current understanding on infection in the CF lung.

Pseudomonas aeruginosa; iron homeostasis


Address for reprint requests and other correspondence: D. W. Reid, Univ. of Tasmania Medical School, Collins St., Hobart 7001, Tasmania, Australia (e-mail: d.e.c.reid{at}utas.edu.au).






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