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PMID |
Sentence |
1 |
12697440
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Natural killer (NK)-cell receptors (NKRs) on CD8+ T cells can modulate antigen-specific T-cell activity but their function and rules that govern their expression remain unclear.
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2 |
15814713
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IL-10 deficiency caused early maturation and activation of pulsed DC (i.e., high CD11c, CD40, CD80, CD83, CD86, IL-1, IL-12, and the T cell-attracting chemokine CCL27/CTACK) and consequently an enhanced ability to process and present Ags for a rapid and robust T cell activation.
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3 |
15814713
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Supporting comparative proteomics revealed further that IL-10 deficient DC possess specific immunobiological properties, e.g., the T cell-attracting chemokine CCL27/CTACK, calcium-dependent protein kinase, and the IL-1/IL-12 inducer, NKR-P1A (CD161), which differentiated them immunologically from wild-type DC that express molecules relating to anti-inflammatory, differentiative, and metabolic processes, e.g., the anti-IL-12 molecule peroxisome proliferator-activated receptor-alpha and thymidine kinase.
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4 |
16760327
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In a high percentage of HIV(+) persons with reduced CD4(+) T cells, oral lesions with Candida present at the outer epithelium have an accumulation of CD8(+) T cells at the epithelium-lamina propria interface associated with reduced expression of the mucosal cell-trafficking adhesion molecule E-cadherin.
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5 |
16760327
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CD8(+) T cells consisted primarily of central memory cells by virtue of positive CD45RO (memory) and CD27 (central memory) expression.
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6 |
16760327
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However, concomitant negative expression of CD62L and CCR7 (effector memory) was suggestive of a transitioning memory phenotype within the tissue.
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7 |
16760327
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The CD8(+) T cells are not considered to be NK T cells or anti-HIV CD8(+) T cells because of negative or low expression of CD161 and vascular cell adhesion molecule, respectively.
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8 |
22002875
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A clonal model for human CD8+ regulatory T cells: unrestricted contact-dependent killing of activated CD4+ T cells.
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9 |
22002875
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Previous studies in murine systems have demonstrated that CD8(+) Treg cells down-regulate immune responses in vivo through suppressing activated CD4(+) T cells.
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10 |
22002875
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Here we describe novel regulatory CD8(+) T-cell clones isolated from healthy human peripheral blood following in vitro stimulation with autologous Epstein-Barr virus (EBV)-specific CD4(+) T cells.
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11 |
22002875
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TCR activation of CD4(+) target T cells was required for CD8(+) Treg cells to exert suppressive activity, which was mediated through lysis of CD4(+) targets in a cell contact-dependent manner.
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12 |
22002875
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Suppression was independent of Foxp3 expression in CD8(+) Treg cells, HLA compatibility between CD8(+) Treg cells and CD4(+) target cells and antigen-specificity of CD4(+) target T cells.
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13 |
22002875
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CD8(+) Treg clones expressed CD3 and a variety of TCR V(β) chains as well as CD56, CD69, CD62L and CD95 but did not express CD16, CD161, CXCR4 and CCR7.
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14 |
22002875
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When used together, antibodies specific for CD11a/CD18 and CD8 inhibited suppressive activity of CD8(+) Treg clones.
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15 |
23651196
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Human Th17 cells express RORC and CD161 and originate from RORC-expressing CD161(+) precursors, which migrate to lymphoid tissue and differentiate into mature Th17 cells in response to interleukin (IL)-1β and IL-23.
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16 |
23651196
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Human Th17 cells are rare in inflammed tissues for two reasons: (1) Th17 cells do not produce IL-2 and, therefore, do not proliferate in response to TCR signaling, mainly because of RORC-dependent IL-4I1-mediated mechanisms that interfere with IL-2 gene activation; and (2) Th17 cell shift to a Th1 phenotype in the presence of IL-12; such Th17-derived Th1 cells are considered to be nonclassical Th1 cells and can be distinguished from classical Th1 cells.
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17 |
23784853
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We decided to assess the levels of NK and NKT lymphocytes and the expression levels of different membrane receptors (NKp44, NKp46, NKG2A, killer cell immune-like receptor [KIR] 3DL1/DS1, KIR2DL1/DS1, and CD161) in peripheral blood samples of patients with influenza (n = 17) and healthy individuals immunized against this virus (seasonal and [H1N1]pdm2009 influenza vaccines; n = 15 and 12, respectively).
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18 |
23784853
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We found that the patients with severe influenza (n = 9) showed significant increases in the percentages of NKp46(+) NKp44(+) NK cells and the proportions of NK and NKT lymphocytes expressing KIR2DL1 and KIR3DL1 and reductions in the percentages of NKp46(+) NKp44(-) NK cells compared to those in the healthy controls (n = 27).
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19 |
24130485
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This recognition depends on the detection of microbial compounds presented by the evolutionarily conserved major-histocompatibility-complex (MHC) class I molecule, MR1.
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20 |
24130485
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The NK receptor, CD161, highly expressed by MAIT cells, modulated the cytokine but not the cytotoxic response triggered by bacteria infected cells.
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21 |
25288567
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These NKRs are also expressed on CD4(+) and CD8(+) T cells, B cells, and monocytes, although a comprehensive inventory of NKR expression patterns across leukocyte lineages has never been performed.
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22 |
25288567
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In individuals with high levels of CD57, indicative of a mature immune repertoire, NKRs are more likely to be expressed on non-NK cells, especially CD8(+) T cells.
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23 |
25288567
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Mature NK and CD8(+) T cell populations show increased diversity of NKR surface expression patterns, but with distinct determinants: mature NK cells acquire primarily inhibitory receptors, whereas CD8(+) T cells attain a specific subset of both activating and inhibitory receptors, potentially imbuing them with a distinct functional role.
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24 |
25288567
|
These NKRs are also expressed on CD4(+) and CD8(+) T cells, B cells, and monocytes, although a comprehensive inventory of NKR expression patterns across leukocyte lineages has never been performed.
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25 |
25288567
|
In individuals with high levels of CD57, indicative of a mature immune repertoire, NKRs are more likely to be expressed on non-NK cells, especially CD8(+) T cells.
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26 |
25288567
|
Mature NK and CD8(+) T cell populations show increased diversity of NKR surface expression patterns, but with distinct determinants: mature NK cells acquire primarily inhibitory receptors, whereas CD8(+) T cells attain a specific subset of both activating and inhibitory receptors, potentially imbuing them with a distinct functional role.
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27 |
25288567
|
These NKRs are also expressed on CD4(+) and CD8(+) T cells, B cells, and monocytes, although a comprehensive inventory of NKR expression patterns across leukocyte lineages has never been performed.
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28 |
25288567
|
In individuals with high levels of CD57, indicative of a mature immune repertoire, NKRs are more likely to be expressed on non-NK cells, especially CD8(+) T cells.
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29 |
25288567
|
Mature NK and CD8(+) T cell populations show increased diversity of NKR surface expression patterns, but with distinct determinants: mature NK cells acquire primarily inhibitory receptors, whereas CD8(+) T cells attain a specific subset of both activating and inhibitory receptors, potentially imbuing them with a distinct functional role.
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30 |
25894562
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We conducted a cross-sectional study to investigate the frequencies and phenotypes of CD161(++)CD8(+) T cells among anti-retroviral therapy (ART)/anti-TB therapy (ATT) treatment-naïve HIV/TB co-infected, ART/TB treated HIV/TB co-infected, ART naïve HIV-infected, ART-treated HIV-infected patients, and HIV negative healthy controls (HCs) by flow cytometry.
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31 |
25894562
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No marked difference was seen with expressions of chemokine co-receptor CCR5 and CD103 among the study groups.
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32 |
26220166
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CD161(int)CD8+ T cells: a novel population of highly functional, memory CD8+ T cells enriched within the gut.
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33 |
26220166
|
Here we show that CD161 is also expressed, at intermediate levels, on a prominent subset of polyclonal CD8+ T cells, including antiviral populations that display a memory phenotype.
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34 |
26220166
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These memory CD161(int)CD8+ T cells are enriched within the colon and express both CD103 and CD69, markers associated with tissue residence.
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35 |
26220166
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Furthermore, this population was characterized by enhanced polyfunctionality, increased levels of cytotoxic mediators, and high expression of the transcription factors T-bet and eomesodermin (EOMES).
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36 |
26220166
|
Thus, intermediate CD161 expression marks potent polyclonal, polyfunctional tissue-homing CD8+ T-cell populations in humans.
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37 |
26220166
|
CD161(int)CD8+ T cells: a novel population of highly functional, memory CD8+ T cells enriched within the gut.
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38 |
26220166
|
Here we show that CD161 is also expressed, at intermediate levels, on a prominent subset of polyclonal CD8+ T cells, including antiviral populations that display a memory phenotype.
|
39 |
26220166
|
These memory CD161(int)CD8+ T cells are enriched within the colon and express both CD103 and CD69, markers associated with tissue residence.
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40 |
26220166
|
Furthermore, this population was characterized by enhanced polyfunctionality, increased levels of cytotoxic mediators, and high expression of the transcription factors T-bet and eomesodermin (EOMES).
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41 |
26220166
|
Thus, intermediate CD161 expression marks potent polyclonal, polyfunctional tissue-homing CD8+ T-cell populations in humans.
|
42 |
26220166
|
CD161(int)CD8+ T cells: a novel population of highly functional, memory CD8+ T cells enriched within the gut.
|
43 |
26220166
|
Here we show that CD161 is also expressed, at intermediate levels, on a prominent subset of polyclonal CD8+ T cells, including antiviral populations that display a memory phenotype.
|
44 |
26220166
|
These memory CD161(int)CD8+ T cells are enriched within the colon and express both CD103 and CD69, markers associated with tissue residence.
|
45 |
26220166
|
Furthermore, this population was characterized by enhanced polyfunctionality, increased levels of cytotoxic mediators, and high expression of the transcription factors T-bet and eomesodermin (EOMES).
|
46 |
26220166
|
Thus, intermediate CD161 expression marks potent polyclonal, polyfunctional tissue-homing CD8+ T-cell populations in humans.
|
47 |
26220166
|
CD161(int)CD8+ T cells: a novel population of highly functional, memory CD8+ T cells enriched within the gut.
|
48 |
26220166
|
Here we show that CD161 is also expressed, at intermediate levels, on a prominent subset of polyclonal CD8+ T cells, including antiviral populations that display a memory phenotype.
|
49 |
26220166
|
These memory CD161(int)CD8+ T cells are enriched within the colon and express both CD103 and CD69, markers associated with tissue residence.
|
50 |
26220166
|
Furthermore, this population was characterized by enhanced polyfunctionality, increased levels of cytotoxic mediators, and high expression of the transcription factors T-bet and eomesodermin (EOMES).
|
51 |
26220166
|
Thus, intermediate CD161 expression marks potent polyclonal, polyfunctional tissue-homing CD8+ T-cell populations in humans.
|