Two distinct HLA-A0201–presented epitopes of the Wilms tumor antigen 1 can function as targets for leukemia-reactive CTL

Abstract excerpt

Using the allo-restricted T-cell approach to circumvent tolerance, we have previously identified a cytotoxic T-lymphocyte (CTL) epitope in the transcription factor Wilms tumor antigen 1 (WT1) presented by HLA-A0201 (A2) class I molecules. Here we describe an additional A2-presented epitope and show that CTLs against both epitopes kill WT1-expressing leukemia cell lines. Colony-forming assays demonstrated that...

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