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Apoptosis and the Airway Epithelium

机译:凋亡与气道上皮

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The airway epithelium functions as a barrier and front line of host defense in the lung. Apoptosis or programmed cell death can be elicited in the epithelium as a response to viral infection, exposure to allergen or to environmental toxins, or to drugs. While apoptosis can be induced via activation of death receptors on the cell surface or by disruption of mitochondrial polarity, epithelial cells compared to inflammatory cells are more resistant to apoptotic stimuli. This paper focuses on the response of airway epithelium to apoptosis in the normal state, apoptosis as a potential regulator of the number and types of epithelial cells in the airway, and the contribution of epithelial cell apoptosis in important airways diseases.
机译:气道上皮充当肺部宿主防御的屏障和前线。凋亡或程序性细胞死亡可在上皮细胞中引发,作为对病毒感染,接触变应原或环境毒素或药物的反应。虽然可以通过激活细胞表面上的死亡受体或破坏线粒体极性来诱导凋亡,但与炎症细胞相比,上皮细胞对凋亡刺激的抵抗力更高。本文着眼于正常状态下气道上皮对细胞凋亡的反应,凋亡作为气道上皮细胞数量和类型的潜在调节剂,以及上皮细胞凋亡在重要气道疾病中的作用。

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