Peptide length determines the outcome of TCR/peptide-MHCI engagement

Author:

Ekeruche-Makinde Julia1,Miles John J.12,van den Berg Hugo A.3,Skowera Ania45,Cole David K.1,Dolton Garry1,Schauenburg Andrea J. A.1,Tan Mai Ping1,Pentier Johanne M.1,Llewellyn-Lacey Sian1,Miles Kim M.1,Bulek Anna M.1,Clement Mathew1,Williams Tamsin1,Trimby Andrew1,Bailey Mick6,Rizkallah Pierre1,Rossjohn Jamie17,Peakman Mark45,Price David A.1,Burrows Scott R.2,Sewell Andrew K.1,Wooldridge Linda1

Affiliation:

1. Institute of Infection and Immunity, Cardiff University School of Medicine, Cardiff, United Kingdom;

2. Cellular Immunology Laboratory, Queensland Institute of Medical Research, Brisbane, Australia;

3. Mathematics Institute, University of Warwick, Coventry, United Kingdom;

4. Department of Immunobiology, King's College London, London, United Kingdom;

5. National Institute for Health Research Biomedical Research Centre at Guy's & St Thomas' National Health Service Foundation Trust and King's College London, London, United Kingdom;

6. Division of Veterinary Pathology, Infection and Immunity, School of Clinical Veterinary Science, University of Bristol, Bristol, United Kingdom; and

7. Department of Biochemistry and Molecular Biology, School of Biomedical Sciences, Monash University, Clayton, Australia

Abstract

Key Points MHCI-restricted TCRs exhibit an explicit preference for a single MHCI-peptide length. Effective CD8+ T-cell immunity can only be achieved by length-matched Ag-specific T-cell clonotypes.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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