AIM: To investigate DNA damage and cell stress (heat shock protein 70 expression) in human bronchi smooth muscle cells by cigarette smoke extract (CSE) in vitro.

• 目的 :探讨香烟提取物 (CSE)对人支气管平滑肌细胞DNA损伤和细胞应激 (热休克蛋白 70表达 )的影响。