In the single study of EPH/ephrin expression in salivary gland tumors, EPHA2 and ephrin-A1 expression were assessed by IHC, Western blot, and real-time RT PCR in 49 primary Adenoid Cystic Carcinomas (ACCs) and 10 normal salivary gland tissues [13]. The gene discussed is EPHA1; the disease is tumor of salivary gland.