Article
CD8+ T-cell specificity is compromised at a defined MHCI/CD8 affinity threshold.
Immunology and cell biology - 1 Jan 2017
Dockree Tamsin, Holland Christopher J, Clement Mathew, Ladell Kristin, McLaren James E, van den Berg Hugo A, Gostick Emma, L Miners Kelly, Llewellyn-Lacey Sian, Bridgeman John S, Man Stephen, Bailey Mick, Burrows Scott R, Price David A, Wooldridge Linda
Abstract excerpt
The CD8 co-receptor engages peptide-major histocompatibility complex class I (pMHCI) molecules at a largely invariant site distinct from the T-cell receptor (TCR)-binding platform and enhances the sensitivity of antigen-driven activation to promote effective CD8+ T-cell immunity. A small increase in the strength of the pMHCI/CD8 interaction (~1.5-fold) can disproportionately amplify this effect, boosting antigen...
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