Objective To study the DNA damage and its way in V79 cell caused by diesel exhaust particles extracts(DEPE).

目的研究柴油车尾气颗粒物有机提取物（DEPE）对中国仓鼠肺成纤维细胞（V79）的DNA损伤及作用途径。

Objective To observe the toxicity of diesel exhaust particles extracts(DEPE) on V79 cell in cell viability, membrane and oxidative stress.

目的观察柴油车尾气颗粒物提取物（DEPE）对中国仓鼠肺成纤维细胞（V79）增殖、细胞膜完整性及氧化损伤的毒性。