Summary
T-cell receptors (TCRs) are structurally related to antibodies, and also interact with a diverse set of ligands. TCRs recognize foreign peptide antigens displayed by major histocompatibility complex (MHC) molecules and foreign lipid-based antigens presented by CD1. These interactions initiate an immune response through T-cell activation. These critical surveillance and response initiation functions of the adaptive immune system are not perfect, though, as TCR interactions with self antigens can lead to autoimmune disease. Mutated peptides can also be recognized specifically by TCRs, and may be important in tumor immunity. TCRs are also bound specifically by a family of bacterial toxins called superantigens, which over-stimulate the immune system to cause numerous human diseases.
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Sundberg, E.J. (2009). Molecular Recognition of Diverse Ligands by T-Cell Receptors. In: Schutkowski, M., Reineke, U. (eds) Epitope Mapping Protocols. Methods in Molecular Biology™, vol 524. Humana Press. https://doi.org/10.1007/978-1-59745-450-6_25
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DOI: https://doi.org/10.1007/978-1-59745-450-6_25
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