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2015 ; 10
(ä): 34
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The role of iron in pulmonary pathology
#MMPMID26629341
Khiroya H
; Turner AM
Multidiscip Respir Med
2015[]; 10
(ä): 34
PMID26629341
show ga
Respiratory disease accounts for a large proportion of emergency admissions to
hospital and diseaseassociated mortality. Genetic association studies demonstrate
a link between iron metabolism and pulmonary disease phenotypes. IREB2 is a gene
that produces iron regulatory protein 2 (IRP2), which has a key role in iron
homeostasis. This review addresses pathways involved in iron metabolism,
particularly focusing on the role of IREB2. In addition to this, environmental
factors also influence phenotypic variation in respiratory disease, for example
inhaled iron from cigarette smoke is deposited in the lung and causes tissue
damage by altering iron homeostasis. The effects of cigarette smoke are detailed
in this article, particularly in relation to lung conditions that favour the
upper lobes, such as emphysema and lung cancer. Clinical applications of iron
homeostasis are also discussed in this review, especially looking at the
pathophysiology of chronic obstructive pulmonary disease, lung cancer, pulmonary
infections and acute respiratory distress syndrome. Promising new treatments
involving iron are also covered.