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Characterization of CD57+PD1- CD4 T cells

ABSTRACT: We have identified a CD57+PD1- CD4 T cell phenotype at the time of transplantation that strongly correlates with subsequesnt development of belatacept-resistant rejection. In this study, we used microarray to determine which genes were upregulated in CD57+ compared to CD57- CD4 T cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE64805 | GEO | 2016/01/08

SECONDARY ACCESSION(S): PRJNA271906

REPOSITORIES: GEO

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Characterization of CD57+PD1- CD4 T cells

Project description:We have identified a CD57+PD1- CD4 T cell phenotype at the time of transplantation that strongly correlates with subsequesnt development of belatacept-resistant rejection. In this study, we used microarray to determine which genes were upregulated in CD57+ compared to CD57- CD4 T cells. Peripheral blood obtained from 5 healthy controls was processed and sorted into CD4+CD57+PD1- and CD4+CD57-PD1- populations. Total RNA was extracted from the sorted populations and quality assessed. cDNA synthesis and amplification was performed, and fragmented and biotinylated samples were hybridized to the Affymetrix Human U133 plus 2.0 probe array. The arrays were scanned and probe intensity measurements were normalized across the samples using the robust multichip average (RMA) algorithm.

2016-01-08 | E-GEOD-64805 | biostudies-arrayexpress

miRNA expression between CD4+PD1+ and CD4+PD1- T cells

Project description:Recent success in cancer immunotherapy has come from the blockade of inhibitory receptors on T cells, such as programmed cell death-1, which can induce a state of T cell exhaustion upon constant antigen stimulation. Understanding miRNA regulation of PD1 can be useful to discover miRNAs for use in therapy or as prognostic markers in various diseases including cancer, autoimmunity and transplantation. We used microarrays to discover global miRNA expression changes upon PD1 upregulation and identified miRNAs that are both up- and down-regulated. B16F10 cells were injected subcutaneously into C57BL/6 mice and 16 days later CD4+PD1+ and CD4+PD1- were sorted from the lymph nodes and spleen for RNA extraction and hybridization on Affymetrix miRNA array.

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Project description:RNA-seq data to examine transcriptiome of CD57+ versus CD57- memory CD4+ T cells

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Single-cell RNA-sequencing of blood and tonsillar CD4+ CD57+ and CD57- T cells

Project description:Gene-environment interactions are implicated in immunopathology, but few specific mechanisms have been identified. We defined two terminal-differentiation pathways for human CD4+ T cells each marked by CD57. Rare blood CD57+ CD4+ T cells marked by TCF1 downregulation (Thcyt) adopt a cytotoxic and terminal-effector transcriptome. By contrast, human CD57+ GC-Tfh cells exhibit a transcriptome of the precursor exhausted T cells marked by TCF7, TOX and ID3 and constitutive expression of CTLA4, which collectively confer resistance to becoming cytotoxic. By clarifying human CD4+ T cell terminal differentiation, we have revealed how CTLA4 mitigates the risk of maladaptive cytotoxicity during infection.

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miRNA expression between CD4+PD1+ and CD4+PD1- T cells

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Transcriptional profiling of CD45RO+CD57+CD4+ T cells

Project description:Transcriptional profiling of CD45RO+CD57+CD4+ T cells

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Expansion of polyfuntional CD57+ KLRG1+ senescent CD4+ and CD8+ T cells in breast cancer patients.

Project description:We used microarrays to compare the gene expression profile of DP and DN (KLRG1 and CD57) CD4+ T cells from luminal breast cancer patients and healthy donors.

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Multiplex PRM quantitation of CD8a, CD4, LAG3, PD1, PD-L1 and PD-L2

Project description:Immuno-LC-PRM assay was developed to simultaneously quantify the expression levels of six immune markers (CD8A, CD4, LAG3, PD1, PD-L1 and PD-L2) using as little as 1-2 mg of fresh frozen tissue.

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RNA sequencing of CD57+ and CD57- effector memory CD8 T cells in patients with type 1 diabetes

Project description:Type 1 diabetes is an autoimmune disease in which insulin-secreting β cells of the pancreatic islets are selectively destroyed. CD8 T cells are regarded as critical players in mediating β cell destruction and as a result, considerable effort has been expended to define CD8 T cell behaviour in this disease. The overarching aim of the experiment is to characterize a recently identified autoreactive CD57-positive CD8 T cell subset which is associated with loss of function of islet beta cells in type 1 diabetes, to compare the phenotype of the CD57-positive effector memory CD8 T cells versus the CD57-negative compartment, and provide an insight into the function of these cells in the disease process. To that aim, HLA-A*24 positive patients with T1D -within 2 years of diagnosis- were asked to provide a blood, and following consent, and PBMC were isolated. CD57-positive and CD57-negative CD8 T cell populations were sorted by FACS, and finally, RNA was extracted. Amplified cDNA was obtained and used for the library preparation.

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Comparison of the transcriptional profile of PD1-treated CD4+ T cells with a Treg cell phenotype and Tconv cells

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