Additional file 2: of A rare population of tumor antigen-specific CD4+CD8+ double-positive ιβ T lymphocytes uniquely provide CD8-independent TCR genes for engineering therapeutic T cells

Intensity of HLA-A2 and NY-ESO-1 expression on A*02+NY-ESO-1+ cancer cell lines. Surface HLA-A2 (clone: BB7.2) and cytoplasmic NY-ESO-1 (clone: 219–510) expression was analyzed by flow cytometry. Shaded histogram is unstained control. (DOCX 88 kb)