Telomerase and idiopathic pulmonary fibrosis.
Telomerase and idiopathic pulmonary fibrosis.
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DOI:
10.1016/j.mrfmmm.2011.10.013
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发表时间:
2012-02-01
影响因子:
2.3
通讯作者:
Armanios, Mary
中科院分区:
文献类型:
--
作者:
Armanios, Mary
Idiopathic pulmonary fibrosis (IPF) is the most common manifestation of telomere-mediated disorders. Germline mutations in the essential telomerase genes, hTERT and hTR, are the causal genetic defect in up to one-sixth of pulmonary fibrosis families. The presence of telomerase mutations in this subset is significant for clinical decisions as affected individuals can develop extra-pulmonary complications related to telomere shortening such as bone marrow failure and cryptogenic liver cirrhosis. There is also evidence that IPF is an ancestral manifestation of autosomal dominant telomere syndromes where, with successive generations, the disease evolves from pulmonary fibrosis into a bone marrow failure-predominant disorder, defining a unique form of genetic anticipation. Here I review the significance of telomere defects for understanding the genetics, disease patterns and pathophysiology of IPF. The importance of this diagnosis for patient care decisions will also be discussed.
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