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Additional file 2: Table S2. The sequences of siRNA and primers for RT-PCR.

Additional file 3: Figure S1. Selection of the lentiviral vector harboring shRNA with the highest knockdown efficiency. Relative levels of S100A13 in TPC1 cells infected with different groups of lentiviral particles at a low MOI or a high MOI. Low dose group: The dose of lentiviral plasmid was 0.30 μg; High dose group: The dose of lentiviral plasmid was 0.6 μg. **P

Additional file 7: Figure S5. S100A13 increase the promoter activities of HMGA1 and SNAIL in TPC-1 cells. The PGL.10/ HMGA1 and PGL.10/ SNAIL were co-transfected with or without GV219/ S100A13 plasmid into TPC-1 cells. Average values of three independent experiments are shown, error bar indicates ±s.d. *p

Additional file 4: Figure S2. Lentivirus-mediated S100A13 knockdown was utilized to detect the effect on cellular proliferation with MTT (a) and colony formation assays (b) in SW579 cell.

Additional file 6: Figure S4. S100A13 increase the mRNA levels of HMGA1 and SNAIL in TPC-1 cells. The GV219/S100A13 plasmid was introduced into TPC-1 cells for 48 h, and the mRNA levels of HMGA1 and SNAIL were assessed by Q-PCR. Average values of three independent experiments are shown, error bar indicates ±s.d. **p

Additional file 5: Figure S3. Lentivirus-mediated S100A13 knockdown was utilized to detect the effect on migration capability with scratch-wound assays in TPC1 cell.

Additional file 1: Table S1. The structure of siRNAs in lentiviral vectors.