T cell receptor (TCR) signaling in health and disease

K Shah, A Al-Haidari, J Sun, JU Kazi - Signal transduction and targeted …, 2021 - nature.com
Interaction of the T cell receptor (TCR) with an MHC-antigenic peptide complex results in
changes at the molecular and cellular levels in T cells. The outside environmental cues are …

TCR signaling: mechanisms of initiation and propagation

AH Courtney, WL Lo, A Weiss - Trends in biochemical sciences, 2018 - cell.com
The mechanisms by which a T cell detects antigen using its T cell antigen receptor (TCR)
are crucial to our understanding of immunity and the harnessing of T cells therapeutically. A …

Tuning T cell receptor sensitivity through catch bond engineering

X Zhao, EM Kolawole, W Chan, Y Feng, X Yang… - Science, 2022 - science.org
Adoptive cell therapy using engineered T cell receptors (TCRs) is a promising approach for
targeting cancer antigens, but tumor-reactive TCRs are often weakly responsive to their …

Mechanical forces in the immune system

M Huse - Nature Reviews Immunology, 2017 - nature.com
Leukocytes can completely reorganize their cytoskeletal architecture within minutes. This
structural plasticity, which facilitates their migration and communicative function, also …

Isolation of a structural mechanism for uncoupling T cell receptor signaling from peptide-MHC binding

LV Sibener, RA Fernandes, EM Kolawole, CB Carbone… - Cell, 2018 - cell.com
TCR-signaling strength generally correlates with peptide-MHC binding affinity; however,
exceptions exist. We find high-affinity, yet non-stimulatory, interactions occur with high …

TCR recognition of peptide–MHC-I: Rule makers and breakers

C Szeto, CA Lobos, AT Nguyen, S Gras - International journal of …, 2020 - mdpi.com
T cells are a critical part of the adaptive immune system that are able to distinguish between
healthy and unhealthy cells. Upon recognition of protein fragments (peptides), activated T …

Accumulation of dynamic catch bonds between TCR and agonist peptide-MHC triggers T cell signaling

B Liu, W Chen, BD Evavold, C Zhu - Cell, 2014 - cell.com
TCR-pMHC interactions initiate adaptive immune responses, but the mechanism of how
such interactions under force induce T cell signaling is unclear. We show that force prolongs …

Cell biology of T cell receptor expression and regulation

A Alcover, B Alarcón, V Di Bartolo - Annual review of …, 2018 - annualreviews.org
T cell receptors (TCRs) are protein complexes formed by six different polypeptides. In most T
cells, TCRs are composed of αβ subunits displaying immunoglobulin-like variable domains …

DNA-based nanoparticle tension sensors reveal that T-cell receptors transmit defined pN forces to their antigens for enhanced fidelity

Y Liu, L Blanchfield, VPY Ma… - Proceedings of the …, 2016 - National Acad Sciences
T cells are triggered when the T-cell receptor (TCR) encounters its antigenic ligand, the
peptide-major histocompatibility complex (pMHC), on the surface of antigen presenting cells …

Rewiring T-cell responses to soluble factors with chimeric antigen receptors

ZL Chang, MH Lorenzini, X Chen, U Tran… - Nature chemical …, 2018 - nature.com
Chimeric antigen receptor (CAR)-expressing T cells targeting surface-bound tumor antigens
have yielded promising clinical outcomes, with two CD19 CAR-T cell therapies recently …