Results 41 to 50 of about 4,863,715 (431)

The LCMV gp33-specific memory T cell repertoire narrows with age

open access: yesImmunity & Ageing, 2012
Background The memory response to LCMV in mice persists for months to years with only a small decrease in the number of epitope specific CD8 T cells. This long persistence is associated with resistance to lethal LCMV disease.
Bunztman Adam   +4 more
doaj   +1 more source

TCR-T immunotherapy for the treatment of solid tumor: current status, challenges and future prospects [PDF]

open access: yesZhongguo aizheng zazhi, 2023
Engineered T cell receptor-T cell (TCR-T) therapy and chimeric antigen receptor-T cell (CAR-T) therapy are currently the two most effective ways of adoptive T cell therapy.
ZHENG Weitao, LI Hanluo, HU Kanghong
doaj   +1 more source

CD155 on HIV-infected cells is not modulated by HIV-1 Vpu and Nef but synergizes with NKG2D ligands to trigger NK cell lysis of autologous primary HIV-infected cells [PDF]

open access: yes, 2017
Activation of primary CD4(+) T cells induces the CD155, but not the CD112 ligands for the natural killer (NK) cell activation receptor (aNKR) CD226 [DNAX accessory molecule-1 (DNAM-1)].
Barker, Edward   +5 more
core   +2 more sources

Quantifying selection in immune receptor repertoires [PDF]

open access: yesProc Natl Acad Sci USA 111(27) 9875-9880 (2014), 2014
The efficient recognition of pathogens by the adaptive immune system relies on the diversity of receptors displayed at the surface of immune cells. T-cell receptor diversity results from an initial random DNA editing process, called VDJ recombination, followed by functional selection of cells according to the interaction of their surface receptors with
arxiv   +1 more source

Efficient Targeting of Protein Antigen to the Dendritic Cell Receptor DEC-205 in the Steady State Leads to Antigen Presentation on Major Histocompatibility Complex Class I Products and Peripheral CD8+ T Cell Tolerance

open access: yesJournal of Experimental Medicine, 2002
To identify endocytic receptors that allow dendritic cells (DCs) to capture and present antigens on major histocompatibility complex (MHC) class I products in vivo, we evaluated DEC-205, which is abundant on DCs in lymphoid tissues.
L. Bonifaz   +5 more
semanticscholar   +1 more source

Discovery of the first PD-1 ligand encoded by a pathogen

open access: yesFrontiers in Immunology, 2022
Large double-stranded DNA viruses deploy multiple strategies to subvert host immune defenses. Some of these tactics are mediated by viral gene products acquired by horizontal gene transfer from the corresponding hosts and shaped throughout evolution. The
Pablo Martínez-Vicente   +8 more
doaj   +1 more source

Primary and secondary anti-viral response captured by the dynamics and phenotype of individual T cell clones [PDF]

open access: yeseLife 2020;9:e53704 (2020), 2019
The diverse repertoire of T-cell receptors (TCR) plays a key role in the adaptive immune response to infections. Previous studies show that secondary responses to the yellow fever vaccine - the model for acute infection in humans - are weaker than primary ones, but only quantitative measurements can describe the concentration changes and lineage fates ...
arxiv   +1 more source

Characterization of avian natural killer cells and their intracellular CD3 protein complex [PDF]

open access: yes, 1994
Natural killer (NK) cell activity appears to be conserved throughout vertebrate development but NK cells have only been well characterized in mammals. Candidate NK cells have been identified in the chicken as cytoplasmic CD3+ and surface T cell receptor (
Anderson   +48 more
core   +1 more source

A Novel Approach for the Treatment of T Cell Malignancies: Targeting T Cell Receptor Vβ Families

open access: yesVaccines, 2020
Peripheral T cell lymphomas (PTCLs) are generally chemotherapy resistant and have a poor prognosis. The lack of targeted immunotherapeutic approaches for T cell malignancies results in part from potential risks associated with targeting broadly expressed
Jie Wang   +7 more
doaj   +1 more source

Broad cross-reactivity of the T-cell repertoire achieves specific and sufficiently rapid target searching [PDF]

open access: yes, 2017
The molecular recognition of T-cell receptors is the hallmark of the adaptive immunity. Given the finiteness of the T-cell repertoire, individual T-cell receptors are necessary to be cross-reactive to multiple antigenic peptides. In this study, we quantify the variability of the cross-reactivity by using a string model that estimates the binding ...
arxiv   +1 more source

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