BAL cells from the patients with lung fibrosis expressed more mRNA species, whose copies existed in PMA stimulated U937 cell cDNA library, than those from normal volunteers.

• 肺纤维化患者的BAL细胞可表达出一些正常志愿者BAL细胞未表达的mRNA,而这些mRNA的拷贝存在于PMA刺激的U_(937)细胞cDNA文库中。