Eleven major discriminators between control and tumor samples were identified: APOA1, CLIC1 and PRDX3_a were over-expressed, whereas NFM, CN37, NDUS1, MDHC, ALDOC, STMN1, PEBP1 and DDAH1 were down-regulated in tumors as compared with control samples. This evidence concerns the gene CNP and neoplasm.