Expression of serine protease SNC19/matriptase and its inhibitor hepatocyte growth factor activator inhibitor type 1 in normal and malignant tissues of gastrointestinal tract

Figure 1 Representative real-time RT-PCR analysis for GAPDH mRNA copy levels. A: Amplification plots of pGEM-T Easy/GAPDH cDNA; B: standard curve plotted against pGEM-T Easy/GAPDH cDNA copy number

Figure 2 Expression of SNC19/matriptase and HAI-1 in gastric cancer tissue and its corresponding normal tissue (real-time RT-PCR products assay). M: Marker (100-bp DNA ladder); lanes 1 and 2: SNC19/matriptase (168 bp); lanes 3 and 4: HAI-1 (151 bp); lanes 5 and 6: GAPDH (151 bp); lanes 1, 3 and 5: gastric normal tissues; lanes 2, 4, and 6: gastric cancer tissues. Figures in brackets indicate the sizes of real-time RT-PCR products