CD8 cell

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Related to CD8+ cell: Cytotoxic T lymphocytes
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Synonyms for CD8 cell

T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it

References in periodicals archive ?
Seven blood indices were composed of T lymphocyte subsets, including the percentage of CD4-CD8-, CD4+CD8+, CD4+CD8-, CD4-CD8+, CD4+, CD8+ cells, and the ratio of CD4+/CD8+.
When rectal and terminal ileal biopsy specimens of the IBS and control groups were compared, the number of serotonin-positive cells, IELs, CD20+ cells, and CD8+ cells showed no statistically significant difference (p>0.05) (Table 2).
We identified increased numbers of CD8+ cells, increased numbers of Mac-2 positive crownlike structures, and adipocyte hypertrophy in visceral adipose tissue of Stat4+/+ hematopoietic recipients, despite STAT4 deficiency in adipocytes.
In animal experiments, CD8+ T cells are able to regulate IgE responses, although IgE response is affected by the timing of CD8+ cell depletion, suggesting that a complex mechanism exists.
CD4/CD8 ratio CD8+ cells Study groups (Mean [+ or -] SD) (Mean [+ or -] SD) Pulmonary 1.32 [+ or -] 0.67 559.96 [+ or -] 379.37 Adenitis 1.58 [+ or -] 0.84 556.2 [+ or -] 267.42 Meningitis/Milliary 1.33 [+ or -] 0.62 337.38 [+ or -] 185.69 Healthy controls 1.75 [+ or -] 0.64 636.38 [+ or -] 172.59 P value 0.19 0.02 CD4 + cells Study groups (Mean [+ or -] SD) Pulmonary 695.42 [+ or -] 409.77 Adenitis 831.4 [+ or -] 522.87 Meningitis/Milliary 384.94 [+ or -] 156.66 Healthy controls 1045.94 [+ or -] 316.46 P value <0.001 Table 3.
Immune subsets were defined using the following markers: naive CD4+ T-cells defined by CD4+, CD45RA+, and CD62L+; memory CD4+ T-cells defined by CD4+, CD45RO+, and CD45RA-; functional CD4+ T-cells defined by CD28+ and CD4+; activated CD8+ cells defined by CD8+, CD38+, or HLA-DR+.
The ratio of CD8+ cells to the four key immunosuppressive cell signals increased following treatment in 60%-80% of patients.
X4 expanded past analyses with the incorporation of additional patient data, where enhanced immunity was indicated by increased proliferating CD8+ cells, indicative of cytotoxic T cell activation; increased IFN-gamma gene expression signature score, suggesting enhanced antigen priming and activation; increased Tumor Inflammation Signature, indicative of increased inflammation status in the TME.
The methods referred to in the current patent applications compare the relative expression levels of genes in patients' blood samples (whole blood, CD8+ cells or PBMCs).
To our best knowledge, T cell subsets consist of various subsets with different functions, among which CD3+ cells are defined as the total T lymphocytes representing the whole immune status including CD4+ and CD8+ cells. NK cells play important roles in the antitumor immunity and inhibition of the dissemination of malignant cancer cells.
Mice protected by Ampligen and/or a PD-1 inhibitor were resistant to rechallenge with viable melanoma cells in the absence of drug(s), indicating a memory effect, which is most likely mediated by anti-melanoma cytotoxic CD8+ cells. Immune mechanisms may account for an apparent long term benefit of Ampligen in melanoma (see below).
CD8+ cells were mainly located inside and under the epithelium while CD4+ cells were scattered in the autologous matrix.
Regarding the subpopulation of T lymphocytes, there was a greater immunoreactivity in the CD8+ cells in the histoid patients (average 30-8 CD8+ cpf) (Figure 1b) compared with the lepromatous patients (average 94 CD8+ cpf) (Table 1).