Abstract
鼻腔黏膜上皮细胞（nasal epithelial cells，NECs）包括具有干细胞活性的基底细胞、通过纤毛摆动移除黏液和微粒的纤毛细胞、具有分泌功能的杯状细胞和独特的化学感觉性细胞等。NECs作为鼻腔第一道物理屏障，在鼻黏膜炎症的发生和发展过程中至关重要。在慢性鼻窦炎伴鼻息肉患者中，上皮细胞的组成明显改变：纤毛细胞减少、杯状细胞增多、基底细胞数量增加但分化趋势改变。其中，Th2型细胞因子在杯状细胞化生过程中起主要作用。本文对几种常见NECs在慢性鼻窦炎病理状态下的表型特征和分化机制的改变进行综述，以期能够深入了解NECs的功能并为慢性鼻窦炎的精准治疗提供依据。.
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