Results 31 to 40 of about 629,825 (307)

CD80 Expressed by CD8+ T Cells Contributes to PD-L1-Induced Apoptosis of Activated CD8+ T Cells

open access: yesJournal of Immunology Research, 2017
Tumor cells are capable of limiting antitumor CD8+ T cell responses through their cell surface expression of PD-L1. In addition to PD-1 expressed by CD8+ T cells, PD-L1 also binds to CD80 expressed by CD8+ T cells.
Meagan R. Rollins   +1 more
doaj   +1 more source

Phenotype and molecular signature of CD8+ T cell subsets in T cell- mediated rejections after kidney transplantation.

open access: yesPLoS ONE, 2020
We investigated the phenotype and molecular signatures of CD8+ T cell subsets in kidney-transplant recipients (KTRs) with biopsy-proven T cell-mediated rejection (TCMR).
Eun Jeong Ko   +9 more
doaj   +1 more source

Avidity of influenza-specific memory CD8+ T-cell populations decays over time compromising antiviral immunity [PDF]

open access: yes, 2012
Decline of cell-mediated immunity is often attributed to decaying T-cell numbers and their distribution in peripheral organs. This study examined the hypothesis that qualitative as well as quantitative changes contribute to the declining efficacy of CD8+
Alexander-Miller   +41 more
core   +1 more source

B Cells Directly Tolerize CD8+ T Cells [PDF]

open access: yesThe Journal of Experimental Medicine, 1998
This report investigates the response of CD8+ T cells to antigens presented by B cells. When C57BL/6 mice were injected with syngeneic B cells coated with the Kb-restricted ovalbumin (OVA) determinant OVA257–264, OVA-specific cytotoxic T lymphocyte (CTL) tolerance was observed. To investigate the mechanism of tolerance induction, in vitro–activated CD8+
Bennett, SRM   +4 more
openaire   +3 more sources

Cytomegalovirus Colitis in Primary Hypogammaglobulinemia With Normal CD4+ T Cells: Deficiency of CMV-Specific CD8+ T Cells

open access: yesFrontiers in Immunology, 2019
CMV colitis has been reported in immunocompromized patients with severe deficiency of CD4+ T cells and T cell functions. In this study we present an extensive immunological analysis in a patient with primary hypogammaglobulinemia and CMV colitis who had ...
Sudhanshu Agrawal   +2 more
doaj   +1 more source

Sepsis-induced changes in differentiation, maintenance, and function of memory CD8 T cell subsets

open access: yesFrontiers in Immunology, 2023
Formation of long-lasting memory lymphocytes is one of the foundational characteristics of adaptive immunity and the basis of many vaccination strategies.
Mohammad Heidarian   +4 more
doaj   +1 more source

Dichotomous Roles of Programmed Cell Death 1 on HIV-Specific CXCR5+ and CXCR5− CD8+ T Cells during Chronic HIV Infection

open access: yesFrontiers in Immunology, 2017
BackgroundCXCR5+CD8+ T cells have been demonstrated to play an important role in the control of chronic viral replication; however, the relationship between CXCR5+CD8+ T cells, HIV disease progression, and programmed cell death 1 (PD-1) expression ...
Yan-Mei Jiao   +17 more
doaj   +1 more source

Transcriptional repressor ZEB2 promotes terminal differentiation of CD8⁺ effector and memory T cell populations during infection [PDF]

open access: yes, 2015
ZEB2 is a multi-zinc-finger transcription factor known to play a significant role in early neurogenesis and in epithelial-mesenchymal transition-dependent tumor metastasis.
Agata Stryjewska   +72 more
core   +3 more sources

A Subset of CXCR5+CD8+ T Cells in the Germinal Centers From Human Tonsils and Lymph Nodes Help B Cells Produce Immunoglobulins

open access: yesFrontiers in Immunology, 2018
Recent studies indicated that CXCR5+CD8+ T cells in lymph nodes could eradicate virus-infected target cells. However, in the current study we found that a subset of CXCR5+CD8+ T cells in the germinal centers from human tonsils or lymph nodes are ...
Juan Shen   +8 more
doaj   +1 more source

Interleukin-7 regulates CD127 expression and promotes CD8+ T cell activity in patients with primary cutaneous melanoma

open access: yesBMC Immunology, 2022
Background Interleukin (IL)-7 signaling through CD127 is impaired in lymphocytes in cancers and chronic infections, resulting in CD8+ T cell exhaustion. The mechanisms underlying CD8+ T cell responses to IL-7 in melanoma remain not completely elucidated.
Hongxia He   +5 more
doaj   +1 more source

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