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Vestigial-Like 1 Is A Shared Targetable Cancer-Placenta Antigen Expressed By Pancreatic And Basal-Like Breast Cancers, Sherille Denae Bradley
Vestigial-Like 1 Is A Shared Targetable Cancer-Placenta Antigen Expressed By Pancreatic And Basal-Like Breast Cancers, Sherille Denae Bradley
Dissertations & Theses (Open Access)
Cytotoxic T lymphocyte (CTL)-based cancer immunotherapies have shown great promise for inducing clinical regression by targeting tumor-associated antigens (TAA). To expand the TAA landscape of pancreatic ductal adenocarcinoma (PDAC), we performed tandem mass spectrometry analysis of HLA class I-bound peptides from tumors of PDAC patients. This led to the identification of a shared HLA-A*0101 restricted peptide derived from co-transcriptional activator Vestigial-like 1 (VGLL1), a novel putative TAA demonstrating overexpression in multiple tumor types and low or absent transcript expression in normal tissues with the exception of placenta. VGLL1-specific CTL isolated and expanded from the blood of a male PDAC patient …