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Title: Two new tumor-specific antigenic peptides encoded by gene MAGE-C2 and presented to cytolytic T lymphocytes by HLA-A2. Author: Ma W, Germeau C, Vigneron N, Maernoudt AS, Morel S, Boon T, Coulie PG, Van den Eynde BJ. Journal: Int J Cancer; 2004 May 01; 109(5):698-702. PubMed ID: 14999777. Abstract: We have identified 2 antigens recognized by several melanoma-specific cytolytic T lymphocyte clones isolated from a melanoma patient with a clinical history of tumor regression after immunotherapy. Both antigens are presented by HLA-A2 and encoded by gene MAGE-C2, a cancer-germline gene shown previously to be silent in normal somatic tissues and expressed in 40% of melanomas and in other tumor types. One antigen corresponds to peptide ALKDVEERV(336-344), whereas the other corresponds to peptide LLFGLALIEV(191-200). The CTL clones recognizing these 2 peptides also recognized allogeneic tumor cell lines expressing MAGE-C2 and HLA-A2. These 2 new peptides are the first known MAGE-C antigens and represent promising targets for cancer immunotherapy.[Abstract] [Full Text] [Related] [New Search]