期刊
LANCET RESPIRATORY MEDICINE
卷 2, 期 5, 页码 416-428出版社
ELSEVIER SCI LTD
DOI: 10.1016/S2213-2600(14)70047-5
关键词
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Interstitial lung diseases encompass a wide range of diffuse lung disorders that are often complicated by the development of pulmonary fibrosis and that can occur in isolation or in systemic diseases. In the past decade, availability of high-throughput genotyping and large collaborative clinical networks has led to the identification of many genetic variants associated with sporadic and familial fibrotic interstitial pneumonias. Susceptibility to idiopathic pulmonary fibrosis seems to involve a combination of polymorphisms related to epithelial cell injury and dysfunction and abnormal wound healing, whereas chronic inflammation seems important in the development of pulmonary fibrosis in sarcoidosis or collagen vascular diseases such as systemic sclerosis or rheumatoid arthritis; however, each of the disease-associated variants typically has a small effect and they are therefore not helpful in prediction of risk. Genetic studies have substantially expanded understanding of the pathogenesis of pulmonary fibrosis. Future challenges will be to assess how multiple susceptibility alleles interact with each other and environmental factors to determine disease risk and several different phenotypes, to define the mechanism of action and cellular pathways involving susceptibility alleles, and to identify which of the gene products and molecular mechanisms implicated in disease pathobiology are good therapeutic targets.
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