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Correspondence
PostScript
Heme oxygenase 1 variations and lung function decline in smokers: proof of replication
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We provide supportive evidence for a role of the promoter polymorphism (GT-repeat) in heme oxygenase 1 (HO-1) in relation to lung function loss over time. This observation has been made by Guénégou and colleagues in a Caucasian population, and a call for replication of these results in a larger and independent cohort was made.1 The relevance of HO-1 has been widely acknowledged.2 Chronic obstructive pulmonary disease (COPD)—often a consequence of abnormally accelerated lung function decline3—has been widely studied in relation to HO-1 promoter GT-repeat, using a …
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Competing interests: None.
Funding: Dutch Asthma Foundation (grant 3.2.02.51), The Netherlands; University of Groningen, the Netherlands.