Epigenetics of idiopathic pulmonary fibrosis.

Epigenetics of idiopathic pulmonary fibrosis.
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特发性肺纤维化的表观遗传学。

DOI:
10.1016/j.trsl.2014.03.011
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发表时间:
2015-01
期刊:
Translational research : the journal of laboratory and clinical medicine
影响因子:
--
通讯作者:
Schwartz DA
Schwartz DA
中科院分区:
其他
文献类型:
--
作者:
Yang IV;Schwartz DA

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特发性肺纤维化(IPF)是一种病因不明的复杂肺部疾病。IPF的发生受遗传和环境因素的影响。我们和其他小组最近的工作已经确定了肺纤维化发展的强遗传易感因素,而香烟烟雾仍然是最强烈相关的环境暴露风险因素。IPF肺的基因表达谱研究已经教会了我们很多关于这种致命疾病的生物学知识,外周血中的基因表达谱研究提供了重要的生物标志物。然而,表观遗传标记可能是连接遗传易感个体的环境暴露与疾病发展相关的转录变化的缺失环节。此外,表观遗传标记代表了IPF的有希望的治疗靶点。在这篇综述中,我们将介绍这种疾病,总结IPF的遗传和基因表达研究,讨论与IPF相关的暴露和与香烟烟雾暴露相关的已知表观遗传学变化,并总结迄今为止在IPF中进行的表观遗传学研究。最后,我们将讨论这一领域的局限性、挑战和未来机遇。
Idiopathic pulmonary fibrosis (IPF) is a complex lung disease of unknown etiology. Development of IPF is influenced by both genetic and environmental factors. Recent work by our and other groups has identified strong genetic predisposition factors for the development of pulmonary fibrosis while cigarette smoke remains the most strongly associated environmental exposure risk factor. Gene expression profiling studies of IPF lung have taught us quite a bit about the biology of this fatal disease and those in peripheral blood have provided important biomarkers. However, epigenetic marks may be the missing link that connects the environmental exposure in genetically predisposed individuals to transcriptional changes associated with disease development. Moreover, epigenetic marks represent a promising therapeutic target for IPF. In this review, we will introduce the disease, summarize genetic and gene expression studies in IPF, discuss exposures relevant to IPF and known epigenetic changes associated with cigarette smoke exposure, and summarize epigenetic studies conducted so far in IPF. We will end by discussing limitations, challenges and future opportunities in this field.
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