MUC1 and neoplasm: Similarly, another multiplex mRNA vaccine encoding carcinoembryonic antigen (CEA), mucin 1 (MUC1), human epidermal growth factor receptor 2 (Her-2), melanoma-associated antigen (MAGE), survivin and telomerase as tumor-associated antigens was evaluated in 30 patients with advanced renal cell carcinoma (RCC).