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The leading role of epithelial cells in the pathogenesis of idiopathic pulmonary fibrosis.
Cellular Signalling ( IF 4.4 ) Pub Date : 2019-11-21 , DOI: 10.1016/j.cellsig.2019.109482
Moisés Selman 1 , Annie Pardo 2
Affiliation  

Idiopathic pulmonary fibrosis (IPF) is a relentlessly progressive and devastating interstitial lung disease of unknown etiology, where the normal lung architecture is lost and replaced by fibrotic tissue leading to an irreversible and progressive respiratory insufficiency. Historically, IPF was considered a chronic inflammatory disorder, which gradually progressed to established fibrosis. However, strong clinical and experimental evidence indicates that the disease represents an epithelial-driven disorder which results from a complex interplay of genetic and environmental risk factors, aging-associated processes and a profibrotic epigenetic reprogramming. The convergence of these factors results in the aberrant activation of epithelial cells that initiate the development of the disease, producing virtually all the mediators that participate in the migration, proliferation and activation of fibroblasts, their differentiation to myofibroblasts and the excessive and chaotic secretion of extracellular matrix proteins. Although progress has been made in understanding the causes and consequences of this abnormal behavior of distal airways and alveolar epithelium, the mechanisms that initiate and perpetuate the vicious circle of multidirectional abnormal communications between the epithelium and fibroblasts and other resident cells have not been elucidated. In this review, we discuss the role of epithelial cells and the mechanisms underlying the fibrotic response in IPF, and highlight some promising therapeutic targets for these cells.

中文翻译:

上皮细胞在特发性肺纤维化发病机制中的主导作用。

特发性肺纤维化(IPF)是一种病因不明的无休止的进行性和毁灭性间质性肺疾病,其中正常的肺部结构丢失并被纤维化组织替代,导致不可逆和进行性呼吸功能不全。从历史上看,IPF被认为是一种慢性炎症性疾病,逐渐发展为已确立的纤维化。但是,有力的临床和实验证据表明,该疾病代表上皮驱动的疾病,原因是遗传和环境危险因素,衰老相关过程和纤维化表观遗传重编程的复杂相互作用。这些因素的趋同导致上皮细胞异常激活,从而引发疾病的发展,产生几乎所有参与成纤维细胞迁移,增殖和活化,它们分化为成肌纤维细胞以及细胞外基质蛋白过度和混沌分泌的介体。尽管在了解远端气道和肺泡上皮这种异常行为的原因和后果方面已取得进展,但尚未阐明引发和延续上皮与成纤维细胞和其他驻留细胞之间多方向异常通讯的恶性循环的机制。在这篇综述中,我们讨论了上皮细胞的作用以及IPF中纤维化反应的潜在机制,并重点介绍了这些细胞的一些有希望的治疗靶标。它们向成肌纤维细胞的分化以及细胞外基质蛋白的过度分泌和混乱分泌。尽管在了解远端气道和肺泡上皮这种异常行为的原因和后果方面已取得进展,但尚未阐明引发和延续上皮与成纤维细胞和其他驻留细胞之间多方向异常通讯的恶性循环的机制。在这篇综述中,我们讨论了上皮细胞的作用以及IPF中纤维化反应的潜在机制,并重点介绍了这些细胞的一些有希望的治疗靶标。它们向成肌纤维细胞的分化以及细胞外基质蛋白的过度分泌和混乱分泌。尽管在了解远端气道和肺泡上皮这种异常行为的原因和后果方面已取得进展,但尚未阐明引发和延续上皮与成纤维细胞和其他驻留细胞之间多方向异常通讯的恶性循环的机制。在这篇综述中,我们讨论了上皮细胞的作用以及IPF中纤维化反应的潜在机制,并重点介绍了这些细胞的一些有希望的治疗靶标。尚没有阐明在上皮细胞与成纤维细胞及其他常驻细胞之间引发和维持多向异常通讯恶性循环的机制。在这篇综述中,我们讨论了上皮细胞的作用以及IPF中纤维化反应的潜在机制,并重点介绍了这些细胞的一些有希望的治疗靶标。尚没有阐明在上皮细胞与成纤维细胞及其他常驻细胞之间引发和维持多向异常通讯恶性循环的机制。在这篇综述中,我们讨论了上皮细胞的作用以及IPF中纤维化反应的潜在机制,并重点介绍了这些细胞的一些有希望的治疗靶标。
更新日期:2019-11-22
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