Objective To study the expression of heat stress proteins HSP27,HSP70 and antioncogene MTS1,oncogene k ras,and their protein products in occupational lung cancer(OLC).

• 目的观察HSP27、HSP70与多种瘤抑制基因（MTS1）、k?ras基因及其蛋白产物在职业性肺癌（occupationallungcancer，OLC）中的联合表达的情况。