Tumour-bearing mice were sorted into groups (n = 6) and injected with 5 mg/kg DTX, 3 mg/kg FTY, 5 mg/kg DTX + 3 mg/kg FTY, empty CNP, CNP1 (5 mg/kg DTX + 3 mg/kg FTY), CNP2 (2 mg/kg DTX + 2 mg/kg FTY). This evidence concerns the gene NPPC and neoplasm.