AIM: To study the effect of cigarette smoke extract (CSE) on the proliferation and cycle of human airway epithelial cell and its mechanism.

目的：研究香烟烟雾提取物(CSE)对气道上皮细胞增殖和细胞周期的影响及其作用机制。

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Objective To explore the possible mechanism of injury by smoking, and the effect of cigarette smoke extract (CSE) on Ecadherin (ECD) expression in airway epithelial cells (AEC) was observed.

目的观察香烟烟雾提取物（CSE）对气道上皮细胞（AEC）、上皮钙粘附素（ECD）表达的影响，探讨其表达变化在吸烟致AEC损伤中的作用。

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AIM: to evaluate the oxidative damages of cigarette smoke extract (CSE) to human erythrocyte membrane.

目的：以人红细胞为模型，评估香烟烟雾提取物(CSE)对生物膜的损害作用。

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