Oligopeptides for Cancer Immunotherapy
Cytotoxic T lymphocytes (CTL) kill tumour cells upon recognition of oligopeptides derived from tumour-associated antigens (TAA). These are presented by major histocompatibility complex (MHC) class I molecules on the surface of the tumour cells. TAA of certain categories differ with respect to their tumour specificity: mutated antigens and so-called “cancer/germ line” (C/G) antigens are considered strictly or highly tumour specific whereas differentiation antigens are expressed in tumours and the tissues the tumours originate from. The expression of C/G antigens was demonstrated in a variety of cancer types.
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