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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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RNAseq analysis of mature thymic NKT cells and immature thymic DN1eP cells

ABSTRACT: We report the identification of immature thymic CD4(-),CD8(-) double-negative (DN)1e cells with the NKT cell lineage potential. We also analyzed the gene expression profiles of DN1e thymocytes compared with those of mature thymic NKT cell developmental stages termed NKT stage-1, 2, and -3, which are characterized by differential expression levels of NK1.1 and CD44 antigens in C57BL/6 mouse strain. Next generation sequencing of total transcriptomes using total RNA isolated from FACS sorted ex vivo thymic DN1eP (Lin-/CD44+/CD25-/CD24low/CD5+/CD27+/Ly108-/CXCR3+) fraction, and mature thymic alphaGalCer-loaded CD1d dimer+TCRbeta+ NKT cell developmental stage-1 (CD44-/NK1.1-), stage-2 (CD44+/NK1.1-), and stage-3 (CD44+/NK1.1+) cells.

ORGANISM(S): Mus musculus

SUBMITTER: Takaho Endo

PROVIDER: E-GEOD-53150 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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RNAseq analysis of mature thymic NKT cells and immature thymic DN1eP cells

Project description:We report the identification of immature thymic CD4(-),CD8(-) double-negative (DN)1e cells with the NKT cell lineage potential. We also analyzed the gene expression profiles of DN1e thymocytes compared with those of mature thymic NKT cell developmental stages termed NKT stage-1, 2, and -3, which are characterized by differential expression levels of NK1.1 and CD44 antigens in C57BL/6J mouse strain.

2015-12-31 | GSE53150 | GEO

Essential functions for ID proteins at multiple checkpoints in natural killer T cell development

Project description:Thymic iNKT cell development is divided into four stages (stage 0-3) that are characterised, in C57BL/6 mouse strain, by the differential expression of surface markers, such as CD24, CD44 and NK1.1. During transition from immature to mature iNKT cell subsets, gene expression is tightly regulated. Here, we used microarray analysis to detail the influence of the transcriptional regulator ID3 during iNKT cell maturation in the thymus. Stage 1 (Tet+CD24-CD44-NK1.1-) and Stage 2 (Tet+CD24-CD44+NK1.1-) iNKT cells from WT and Id3KO thymi were FACS sorted for RNA extraction and Affymetrix hybridisation.

2013-11-19 | E-GEOD-50933 | biostudies-arrayexpress

Gene expression comparison of wild-type and IL15ko thymic NKT cells

Project description:Semi-invariant natural killer T (NKT) cells are thymus-derived innate lymphocytes that modulate microbial and tumour immunity as well as autoimmune diseases. These immunoregulatory properties of NKT cells are acquired during their development. Much has been learnt regarding the molecular and cellular cues that promote NKT cell development, yet how these cells are maintained in the thymus and the periphery and how they acquire functional competence are incompletely understood. We found that IL-15 induced several Bcl-2 family survival factors in thymic and splenic NKT cells in vitro. Yet, IL15-mediated thymic and peripheral NKT cell survival critically depended on Bcl-xL expression. Additionally, IL-15 regulated thymic developmental stage 2 (ST2) to ST3 lineage progression and terminal NKT cell differentiation. Global gene expression analyses and validation revealed that IL-15 regulated Tbx21 (T-bet) expression in thymic ST3 NKT cells. The loss of IL15-dependent T-bet expression resulted in poor expression of IFN-γ and several NK cell receptors in NKT cells. Taken together, our findings reveal a critical role for IL-15 in NKT cell survival, which is mediated by Bcl-xL, and effector differentiation, which is regulated by T-bet. Gene expression was measured in NKT cells sorted from pooled thymi of wild-type (3 replicates) or IL-15 deficient (2 replicates) mice.

2011-12-08 | E-GEOD-32568 | biostudies-arrayexpress

Essential functions for ID proteins at multiple checkpoints in natural killer T cell development

2013-11-19 | GSE50933 | GEO

RNA-seq profiles of wildtype and Ezh2 knockout mouse natural killer T cell subsets

Project description:Natural killer T (NKT) cells identified by CD1d-tetramer and TCRb were isolated from the thymi of wild type and Ezh2 knockout mice. The NKT cells were FACS sorted into different stages based on the surface expression of CD44 and NK1.1.

2018-03-08 | GSE92548 | GEO

Gene expression of thymic settling progenitors from embryos at E13 compared to E18

Project description:We used whole genome transcriptome as gene discovery to further understand the differential behaviour of the first (embryonic) and second waves of thymic settling progenitors in the murine embryo. Mouse embryos at days 13 and 18 of gestation were isolated and the thymic lobes were dissected. Single cell suspension was prepared and treated with biotinilated antibodies to CD3, CD4, CD8, TER119, Gr1, CD25, CD19, NK1.1 and CD11c. Cell suspensions were then incubated with streptavidin Miltenyi Macs beads. Lineage negative thymocytes were recovered in Macs columns. Cell suspensions were then incubated with antibodies against CD135, CD117, CD44, CD24 and Streptavidin bound to PECy7. Lin-, CD117+, CD44+, CD24low, CD135+ cells were then isolated by cell sorting. 3 biological replicates of each sample were isolated with 104-3x104 cells

2013-09-17 | E-GEOD-50910 | biostudies-arrayexpress

Gene expression comparison of wild-type and IL15ko thymic NKT cells

2011-12-08 | GSE32568 | GEO

Mature thymic NKT and T cells

Project description:Invariant Natural killer T (iNKT) cells are a separate lineage of T lymphocytes with innate effector functions. They express an invariant TCR specific for lipids presented by CD1d and their development and effector differentiation rely on a unique gene expression program. We asked whether this program includes microRNAs, small non-coding RNAs that regulate gene expression posttranscriptionally and play key role in the control of cellular differentiation programs. We identified a miRNA profile specific for iNKT cells, which exhibits features of activated/effector T lymphocytes. In this experiment we compared microRNAs of NKT cells versus those of conventional T lymphocytes, both extracted from wild type mouse thymus. To produce the populations we enriched mature thymocytes and then sorted NKT cells and conventional T cells (from one sorting we obtain one â??NKTâ?? sample and one â??Tâ?? sample). We performed the experiment in triplicate; the sample NKT 1 was sorted the same day of the sample T 1, NKT 2 with T 2, NKT 3 with T 3. We used a common reference approach for the 6 samples; as a common reference we produced RNA from total thymocytes, without the enrichment for mature cells and without the sorting; we pooled thymocytes derived from all the thymi used in the study. The aim of the experiment was to demonstrate that NKT cells have a microRNA profile different from that of conventional T cells.

2010-04-09 | E-GEOD-15925 | biostudies-arrayexpress

Mus musculus

Project description:Mature thymic NKT and T cells

| PRJNA116935 | ENA

A comparison of the transcriptional profiles of DP CD24highCD44lowNK1.1-CD1d-tet+TCRa+ cells (i.e. very immature NKT cells) with those of more mature NKT cell subsets

Project description:Type 1 NKT cells play a critical role in controlling the strength and character of adaptive and innate immune responses. Their functional characteristics are distinct from conventional T cells, and are induced by a transcriptional program initiated by positive selection on CD4+CD8+ (double positive, DP) thymocytes. Here we examined transcriptional events in four immature thymic NKT cell subsets in a novel Vα14 TCR transgenic strain bearing greatly expanded numbers of CD24+CD44- NKT cells. We used a transcriptional regulatory network approach to map TCR validation to the transition from DP T to DP NKT cells, and positive selection and lineage commitment to the transition from DP NKT to CD4 NKT

2021-12-15 | GSE106720 | GEO

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