The molecular determinants of CD8 co-receptor function

Cole, David K. ORCID: https://orcid.org/0000-0003-0028-9396, Laugel, Bruno, Clement, Mathew ORCID: https://orcid.org/0000-0002-9280-5281, Price, David A. ORCID: https://orcid.org/0000-0001-9416-2737, Wooldridge, Linda and Sewell, Andrew K. ORCID: https://orcid.org/0000-0003-3194-3135 2012. The molecular determinants of CD8 co-receptor function. Immunology 137 (2) , pp. 139-148. 10.1111/j.1365-2567.2012.03625.x

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Abstract

CD8+ T cells respond to signals mediated through a specific interaction between the T-cell receptor (TCR) and a composite antigen in the form of an epitopic peptide bound between the polymorphic α1 and α2 helices of an MHC class I (MHCI) molecule. The CD8 glycoprotein ‘co-receives’ antigen by binding to an invariant region of the MHCI molecule and can enhance ligand recognition by up to 1 million-fold. In recent years, a number of structural and biophysical investigations have shed light on the role of the CD8 co-receptor during T-cell antigen recognition. Here, we provide a collated resource for these data, and discuss how the structural and biophysical parameters governing CD8 co-receptor function further our understanding of T-cell cross-reactivity and the productive engagement of low-affinity antigenic ligands.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Publisher:	Wiley
ISSN:	0019-2805
Date of First Compliant Deposit:	18 September 2017
Date of Acceptance:	10 July 2012
Last Modified:	27 Jul 2023 01:05
URI:	https://orca.cardiff.ac.uk/id/eprint/104742

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