Expression of GIRK1 in some SCLC cell lines but not in normal SAE cells, nor in adenocarcinoma Clara cell phenotype cell lines. Top panel: GIRK1 is expressed in WBA, H69, and H146 SCLC cell lines but not in H187, H209 and H526 SCLC cell lines. GIRK1 is also not expressed in normal SAE cells, nor is it expressed in H322 or H441 adenocarcinoma Clara cell lines. Bottom panel: Cyclophilin, used as a positive reaction control was seen in all samples. For all gene expression experiments, negative control reactions were performed and found to be negative. The bands on the agarose gels were consistent with the expected sizes: GIRK1-441 bp; cyclophilin-216 bp; M-100 bp.