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Positive and negative selection of the T cell repertoire: what thymocytes see (and don't see)

Open access
Klein, Ludger, Kyewski, Bruno, Allen, Paul M., Hogquist, Kristin A.·2014·Nature Reviews Immunology

Abstract

The fate of developing T cells is specified by the interaction of their antigen receptors with self-peptide–MHC complexes that are displayed by thymic antigen-presenting cells (APCs). Various subsets of thymic APCs are strategically positioned in particular thymic microenvironments and they coordinate the selection of a functional and self-tolerant T cell repertoire. In this Review, we discuss the different strategies that these APCs use to sample and process self antigens and to thereby generate partly unique, 'idiosyncratic' peptide–MHC ligandomes. We discuss how the particular composition of the peptide–MHC ligandomes that are presented by specific APC subsets not only shapes the T cell repertoire in the thymus but may also indelibly imprint the behaviour of mature T cells in the periphery.

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Metadata

Authors
Klein, L., Kyewski, B., Allen, P. M., & Hogquist, K. A.
Venue
Nature Reviews Immunology
Published
2014-05-16
Volume
14
Issue
6
Pages
377-391
ISSN
  • 1474-1733 (ISSN-L)
  • 1474-1741
OpenAlex
W2024748688
Cited by
1,383
References
7
FWCI
7.71
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Positive and negative selection of the T cell repertoire: what thymocytes see (and don't see). https://app.cochat.ai/papers/10.1038/nri3667
The paper
Klein, L., Kyewski, B., Allen, P. M., & Hogquist, K. A. (2014). Positive and negative selection of the T cell repertoire: what thymocytes see (and don't see). Nature Reviews Immunology. https://doi.org/10.1038/nri3667

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.