The tumor weights in the Siva-1 knockdown group (7.13 ± 1.47 g) were significantly lower than those in the MKN-28/VCR-shRNA-NC group (10.31 ± 2.01 g) and MKN-28/VCR group (11.14 ± 1.72 g) (p < 0.05) (Fig. 5C), indicating better health. The gene discussed is SIVA1; the disease is neoplasm.