OSCP1 and nasopharyngeal carcinoma: The oxidored-nitro domain-containing protein 1 (NOR1) gene (also called organic solute carrier partner 1, OSCP1), first isolated from nasopharyngeal carcinoma (NPC) [8], and located on chromosome 1P33.4, is specifically expressed in normal tissues such as the testis, placenta, trachea and brain [9, 10].