abstract |
A novel gene whose expression is up-regulated in tumor cells, particularly breast tumor cells, a method for detecting the nucleic acid in a sample, and a tumor diagnostic method using the nucleic acid are provided. A nucleic acid molecule PKW having a specific sequence whose expression is up-regulated in breast carcinoma cells. Furthermore, a protein having an amino acid sequence encoded by the nucleic acid molecule PKW and a variant thereof. Furthermore, a test method for determining whether tumor cells are present in a sample. [Selection figure] None |