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Time series DNA methylation analysis of immature T-cells and reMAIT cells by using methylation array

ABSTRACT: To explore the molecular mechanisms underlying selective differentiation of MAIT-derived iPSCs into reMAITs, we conducted DNA methylation profiling based on a methylation array. We sampled reMAITs during the time course of differentiation from iPSCs as well as mature MAITs isolated from cord blood (CB MAITs). As control, we used immature T cells differentiated from hematopoietic stem cells (HSCs). For each of reMAITs and the immature T cells, we selected four time points: Start, Early, Middle, and Late.

ORGANISM(S): Homo sapiens

PROVIDER: GSE88937 | GEO | 2017/03/14

SECONDARY ACCESSION(S): PRJNA349150

REPOSITORIES: GEO

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Time series messenger RNA analysis of immature T-cells and reMAIT cells by microarrays

Project description:To explore the molecular mechanisms underlying selective differentiation of MAIT-derived iPSCs into reMAITs, we conducted mRNAs profiling based on microarrays. We sampled reMAITs during the time course of differentiation from iPSCs as well as mature MAITs isolated from cord blood (CB MAITs). As control, we used immature T cells differentiated from hematopoietic stem cells (HSCs). For each of reMAITs and the immature T cells, we selected four time points: Start, Early, Middle, and Late.

2017-03-14 | GSE87739 | GEO

Time series micro RNA analysis of immature T-cells and reMAIT cells by microarrays

Project description:To explore the molecular mechanisms underlying selective differentiation of MAIT-derived iPSCs into reMAITs, we conducted micro RNAs profiling based on microarrays. We sampled reMAITs during the time course of differentiation from iPSCs as well as mature MAITs isolated from cord blood (CB MAITs). As control, we used immature T cells differentiated from hematopoietic stem cells (HSCs). For each of reMAITs and the immature T cells, we selected four time points: Start, Early, Middle, and Late. MAITs isolated from CB were reprogrammed to iPSCs (PMID:23523177). The MAIT-derived iPSCs were cultured on OP9, and CD34+ CD43+ cells were isolated. These CD34+ CD43+ precursor cells were furthered cultured on OP9/DL1 for re-differentiation into MAITs. Based on the observation of the reported surface antigen profiles (PMID:23523177), reMAITs were harvested at four different time points: day 0 (Start), day 4 (Early), day 7-10 (Middle), and after day 30 (Late). For the immature T cells, CD34+ cells were isolated from CB using CD34 MicroBead Kit (Miltenyi Biotech). These CD34+ HSCs were cultured on OP9/DL1 for differentiation into T cell lineage as previously described (PMID:15494433). Based on the surface antigen profiles, the immature T cells were harvested at four different time points: CD34+ cells at day 0 (Start), CD4- CD8- double negative cells at day 21 (Early) and day 40 (Midlle), and CD4+ CD8+ double positive cells after day 50 (Late). Total RNA was extracted from each sample using RNeasy Kit (Quiagen). For micro RNA analysis, RNA was labeled with Cy3-pCp by ligation, and subjected to analysis using Human miRNA Microarray Release 19.0 8x60K (Agilent).

2017-03-14 | GSE88936 | GEO

Gene expression profiles of MAIT cells, MAIT-iPSCs, hiPSCs, hESCs, and reMAIT cells

Project description:To show the similarity among MAIT-iPSCs, hiPSCs and hESCs and the gradual change of global gene expression of reMAIT cells along with differentiation, this experiment was designed. MAIT cells, MAIT-iPSCs, hiPSCs, hESCs, MAIT cells, and reMAIT cells at the several differerent stages of differentiation were collected. Then, they were applied in this experiment.

2013-03-21 | E-GEOD-44559 | biostudies-arrayexpress

Microarray expression profiling of NKT and MAIT subsets in different organs of B6-MAIT/CAST mice.

Project description:MAIT cells (MAITs) represent an abundant T lymphocyte subset with unique specificity for microbial metabolites presented by the MHC-1b molecule, MR1. MAIT conservation along evolution indicates important, non-redundant functions, but their low frequency in mice has hampered their detailed characterization. Here, we performed a transcriptomic analysis of murine MAITs in comparison with NKT subsets and with mainstream T cells in spleen and peripheral organs of B6-MAIT/CAST mice expressing a Rorc-GFP transgene. MAIT and NKT cells have been FACS-sorted after tetramer staining (MR1:5-OP-RU Tet+ for MAIT, CD1d:PBS57Tet+ for NKT), and 1/17 subsetting based on the expression of Rorc.

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Gene expression profiles of MAIT cells, MAIT-iPSCs, hiPSCs, hESCs, and reMAIT cells

2013-03-21 | GSE44559 | GEO

Time series transcriptome and DNA methylome analysis of immature T-cells and reMAIT cells

Project description:Time series transcriptome and DNA methylome analysis of immature T-cells and reMAIT cells

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The transcriptomic landscape of MAIT cell development in the thymus (NN41 RNAseq data set)

Project description:We report the transcriptomic landscape of MAIT cell development by examining thymic immature stage 1 and mature stage 3 MAIT cells from mouse thymus, and thymic immature stage 1, stage 2 mature stage 3 MAIT cells from human thymus using RNAseq.

2019-09-26 | GSE137347 | GEO

The transcriptomic landscape of MAIT cell development in the thymus (C006 RNAseq data set)

2019-09-26 | GSE137349 | GEO

Expression data of human somatic cell types and induced pluripotent stem cells

Project description:Transcription factor-mediated reprogramming yields induced pluripotent stem cells (iPSC) by erasing tissue specific methylation and re-setting DNA methylation status to an embryonic stage. We compared bona fide human iPSC derived from umbilical cord blood (CB) and neonatal keratinocytes (K). Through both incomplete erasure of tissue specific methylation and de novo tissue specific methylation, CB-iPSC and K-iPSC are distinct in genome-wide DNA methylation profiles. Functionally, CB-iPSC displayed better blood formation in vitro, whereas K-iPSC differentiated better to a keratinocyte fate, implying that the tissue of origin needs to be considered in future therapeutic applications of human iPSCs. We performed gene expression and global DNA methylation profiling on iPS and the source somatic cell types to search for evidence of epigenetic memory. We performed gene expression profiling to identify genes differentially expressed between keratinocytes and cord blood, and from induced pluripotent stem cells from these somatic tissues.

2011-11-29 | E-GEOD-27186 | biostudies-arrayexpress

Expression data of human somatic cell types and induced pluripotent stem cells

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