The salivary scavenger and agglutinin (SALSA), also known as gp340, salivary agglutinin (SAG) and deleted in malignant brain tumor 1 (DMBT1) is a glycoprotein of 340 kDa (Genbank accession no. BAA78577.1) [15–17]. The gene discussed is DMBT1; the disease is brain cancer.