AGO2 and non-small cell lung carcinoma: Prodromaki et al. analysed the expression of DROSHA, DICER, and AGO2 genes (qRT-PCR method) as well as the expression of their protein products (Western blotting, immunofluorescence, and immunohistochemistry) in five human NSCLC cell lines and in tissue samples from 83 NSCLC patients.