The Many Faces of CD4+ T Cells: Immunological and Structural Characteristics

DSM Chatzileontiadou, H Sloane, AT Nguyen… - International journal of …, 2020 - mdpi.com
As a major arm of the cellular immune response, CD4+ T cells are important in the control
and clearance of infections. Primarily described as helpers, CD4+ T cells play an integral …

Re-Directing CD4+ T Cell Responses with the Flanking Residues of MHC Class II-Bound Peptides: The Core is Not Enough

CJ Holland, DK Cole, A Godkin - Frontiers in immunology, 2013 - frontiersin.org
Recombinant αβ T cell receptors, expressed on T cell membranes, recognize short peptides
presented at the cell surface in complex with MHC molecules. There are two main subsets of …

Hotspot autoimmune T cell receptor binding underlies pathogen and insulin peptide cross-reactivity

DK Cole, AM Bulek, G Dolton… - The Journal of …, 2016 - Am Soc Clin Investig
The cross-reactivity of T cells with pathogen-and self-derived peptides has been implicated
as a pathway involved in the development of autoimmunity. However, the mechanisms that …

Direct molecular mimicry enables off-target cardiovascular toxicity by an enhanced affinity TCR designed for cancer immunotherapy

MCC Raman, PJ Rizkallah, R Simmons, Z Donnellan… - Scientific reports, 2016 - nature.com
Natural T-cell responses generally lack the potency to eradicate cancer. Enhanced affinity T-
cell receptors (TCRs) provide an ideal approach to target cancer cells, with emerging clinical …

CD4+ T Cell Autoimmunity to Hypocretin/Orexin and Cross-Reactivity to a 2009 H1N1 Influenza A Epitope in Narcolepsy

AK De la Herran-Arita, BR Kornum, J Mahlios… - Science translational …, 2013 - science.org
Narcolepsy, a disorder strongly associated with human leukocyte antigen (HLA)–DQA1* 01:
02/DQB1* 06: 02 (DQ0602), is characterized by excessive daytime sleepiness, cataplexy …

Sulfamethoxazole induces a switch mechanism in T cell receptors containing TCRVβ20-1, altering pHLA recognition

S Watkins, WJ Pichler - PloS one, 2013 - journals.plos.org
T cell receptors (TCR) containing Vβ20-1 have been implicated in a wide range of T cell
mediated disease and allergic reactions, making it a target for understanding these …

T-cell receptor (TCR)-peptide specificity overrides affinity-enhancing TCR-major histocompatibility complex interactions

DK Cole, KM Miles, F Madura, CJ Holland… - Journal of Biological …, 2014 - ASBMB
αβ T-cell receptors (TCRs) engage antigens using complementarity-determining region
(CDR) loops that are either germ line-encoded (CDR1 and CDR2) or somatically rearranged …

[HTML][HTML] Antibody stabilization of peptide–MHC multimers reveals functional T cells bearing extremely low-affinity TCRs

K Tungatt, V Bianchi, MD Crowther… - The Journal of …, 2015 - journals.aai.org
Fluorochrome-conjugated peptide–MHC (pMHC) multimers are commonly used in
combination with flow cytometry for direct ex vivo visualization and characterization of Ag …

Structural basis for ineffective T‐cell responses to MHC anchor residue‐improved “heteroclitic” peptides

F Madura, PJ Rizkallah, CJ Holland… - European journal of …, 2015 - Wiley Online Library
MHC anchor residue‐modified “heteroclitic” peptides have been used in many cancer
vaccine trials and often induce greater immune responses than the wild‐type peptide. The …

In Silico and Structural Analyses Demonstrate That Intrinsic Protein Motions Guide T Cell Receptor Complementarity Determining Region Loop Flexibility

CJ Holland, BJ MacLachlan, V Bianchi… - Frontiers in …, 2018 - frontiersin.org
T-cell immunity is controlled by T cell receptor (TCR) binding to peptide major
histocompatibility complexes (pMHCs). The nature of the interaction between these two …