Methods: SP immunohistochemistry and RT-PCR/Southern methods were used to investigate the expressions of CD44 protein and gene of human lung carcinomas. The immunohistochemistry results were quantitatively analyzed with QTM970 computed image analyzer.

• 方法：应用SP免疫组织化学染色方法和RT－PCR/Southern方法，研究人肺癌组织中CD44蛋白和基因的表达，并应用 QTM970计算机图像分析仪，对免疫组织化学染色结果进行定量分析。