Abstract:Malignant transformation of normal cells is frequently correlated with the involvement of so called tumor-associated antigens (TAA). Such proteins, that are often overexpressed in tumor cells, can be recognized by cytotoxic CD8+ T cells (CTL) if presented as peptides on MHC (Major-Histocompatibility-Complex)-class I molecules. Due to self-tolerance mechanisms, the peripheral T cell repertoire is devoid of efficient TAA-specific, tumor-reactive CTL with high affinity, limiting the successful development of anti… Show more
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