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Transcriptome analysis of conventional dendritic cells (cDCs) introduced into the thymic microenvironment of re-aggregated thymic organ cultures (RTOCs)

ABSTRACT: Transcriptome analysis of conventional dendritic cells (cDCs) introduced into the thymic microenvironment of re-aggregated thymic organ cultures (RTOCs)

PROVIDER: PRJNA689792 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13360905.fastq.gz	Fastqsanger.gz
	SRR13360906.fastq.gz	Fastqsanger.gz
	SRR13360907.fastq.gz	Fastqsanger.gz
	SRR13360908.fastq.gz	Fastqsanger.gz
	SRR13360909.fastq.gz	Fastqsanger.gz

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Transcriptome analysis of conventional dendritic cells (cDCs) introduced into the thymic microenvironment of re-aggregated thymic organ cultures (RTOCs)

Project description:cDCs home from the periphery into the thymus. In order to determine the phenotypic and functional changes introduced by the thymic microenvironment to these thymus-homing cDCs, RNA-based next generation sequencing (RNAseq) was performed with splenic (sp-DC) and thymic conventional DCs (t-DCs) re-isolated from RTOCs after two days of culture. Methods: RTOCs were generated from single-cell suspensions of thymi isolated from E14.5 to E16.5 fetuses of Foxp3hCD2 reporter mice (BALB/c background), and sp‑DCs or t‑DCs sorted from 4-8 weeks old female CD45.1xBALB/c mice were introduced. After two days of culture, 1‑2x103 cDCs were re-isolated from RTOCs as CD45.1+Lin-CD11chi by FACS, and total RNA for transcriptional profiling by low-input RNAseq was isolated. Total RNA from sp-DC and t-DCs isolated ex vivo from 4-8 weeks old female CD45.1xBALB/c mice was used as control. RNAseq was performed on an Illumina HiSeq2500 system. Differential gene expression between the four different conditions was computed from the read counts. Results: The number of differentially expressed genes between ex vivo isolated sp-DC and t-DC was drastically reduced comparing sp-DCs and t-DCs re-isolated from RTOCs. This finding implies that the thymic microenvironment within an RTOC modulates the gene expression in sp‑DCs, conferring a transcriptomic profile that more closely resembled the one from t‑DCs. Conclusion: The thymic microenvironment modulates the transcriptome of thymus-homing peripheral cDCs.

2021-03-01 | GSE164280 | GEO

Expression data from mouse conventional dendritic cells (cDCs)

Project description:Expression data from mouse conventional dendritic cells (cDCs)

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Single-cell RNA-seq reveals heterogeneity within human pre-cDCs

Project description:Here, we use a microfluidics-based approach to prepare single-cell RNA-Seq libraries from 164 primary human conventional dendritic cells (cDCs) as well as cord blood (452) and blood (341) pre-cDCs. We examined heterogeneity between individual cells to document potential subpopulations within human cDCs and pre-cDCs.

2016-11-15 | GSE89232 | GEO

Extracellular vesicles (EV) from IFNγ-primed cardiosphere-derived cells (CDCs)

Project description:Characterization of proteins in extracellular vesicles (EV) from cardiosphere-derived cells (CDCs) of a clinically relevant pig model. Additionally, considering that priming stem cells with inflammatory stimuli may increase the therapeutic potential of released vesicles, here we studied the dynamic changes that take place in the EV from IFNγ-primed CDCs.

2020-05-15 | PXD016434 | Pride

Nanostring of sorted lung conventional dendritic cells (cDCs) from cell-specific MyD88 KO at 6h after in vivo sensitization with OVA/standard flagellin

Project description:Allergic asthma is a chronic disease of the airways characterized by eosinophilic and neutrophilic inflammation. MYD88, the adaptor molecule for TLR and IL-1 family member signaling, is required for allergic sensitization through the airway in animal models of allergic asthma. We generated conditionally mutant mice separately lacking Myd88 in airway epithelial cells (ECs) or dendritic cells (DCs) to define the contribution of Myd88 expression in each of these cell types. To examine crosstalk from ECs to conventional (c)DCs in vivo, we examined immune-specific transcriptional profiles from lung cDCs sorted following 6h in vivo lung allergic sensitization through the airways from WT MyD88 fx/fx, SPC cre+ MyD88 fx/fx (EC-MYD88 KO), CD11c cre+ MyD88 fx/fx (DC-MYD88 KO), and full MyD88 KO mice. We observed immune-specific transcriptional changes in cDCs that were cell-intrinsic as well as resulting from in vivo crosstalk from ECs. We also observed transcriptional (linked data set) and epigenetic changes in chromatin conformation in cDCs by ATAC-seq (linked data set) as well as changes in immune-specific whole lung RNA, sorted EC RNA, and sorted alveolar macrophage (AM) RNA by Nanostring nCounter Immunology Codeset Analysis (additional linked files).

2018-03-10 | GSE79614 | GEO

Array of sorted lung conventional dendritic cells (cDCs) from cell-specific MyD88 KO at 0h and 6h in vivo sensitization with OVA/standard flagellin

Project description:Allergic asthma is a chronic disease of the airways characterized by eosinophilic and neutrophilic inflammation. MYD88, the adaptor molecule for TLR and IL-1 family member signaling, is required for allergic sensitization through the airway in animal models of allergic asthma. We generated conditionally mutant mice separately lacking Myd88 in airway epithelial cells (ECs) or dendritic cells (DCs) to define the contribution of Myd88 expression in each of these cell types. To examine crosstalk from ECs to conventional (c)DCs in vivo, we examined transcriptional profiles from lung cDCs sorted at baseline or following 6h in vivo lung allergic sensitization through the airways from WT MyD88 fx/fx, SPC cre+ MyD88 fx/fx (EC-MYD88 KO), CD11c cre+ MyD88 fx/fx (DC-MYD88 KO), and full MyD88 KO mice. We observed specific transcriptional changes in cDCs that were cell-intrinsic as well as resulting from in vivo crosstalk from ECs. We also observed epigenetic changes in chromatin conformation in cDCs by ATAC-seq (linked data set) as well as changes in immune-specific whole lung RNA, sorted EC RNA, sorted alveolar macrophage RNA, and sorted cDC by Nanostring nCounter Immunology Codeset Analysis (additional linked files).

2018-03-10 | GSE79581 | GEO

ATAC-seq of sorted lung cDCs (conventional dendritic cells) from cell-specific MyD88 KO at 0h and 6h in vivo sensitization with OVA/standard flagellin

Project description:Allergic asthma is a chronic disease of the airways characterized by eosinophilic and neutrophilic inflammation. MYD88, the adaptor molecule for TLR and IL-1 family member signaling, is required for allergic sensitization through the airway in animal models of allergic asthma. We generated conditionally mutant mice separately lacking Myd88 in airway epithelial cells (ECs) or dendritic cells (DCs) to define the contribution of Myd88 expression in each of these cell types. To examine epigenetic crosstalk from ECs to conventional (c)DCs in vivo, we examined ATAC-seq data from lung cDCs sorted at baseline or following 6h in vivo lung allergic sensitization through the airways from WT MyD88 fx/fx, SPC cre+ MyD88 fx/fx (EC-MYD88 KO), CD11c cre+ MyD88 fx/fx (DC-MYD88 KO), and full MyD88 KO mice. We observed specific epigenetic changes in chromatin conformation in cDCs that were cell-intrinsic as well as resulting from in vivo crosstalk from ECs. We also observed transcriptional changes in cDCs by Affymetrix Whole Transcriptome Array (linked data set) as well as changes in immune-specific whole lung RNA, sorted EC RNA, sorted alveolar macrophage RNA, and sorted cDC RNA changes by Nanostring nCounter Immunology Codeset Analysis (additional linked files).

2018-03-10 | GSE79062 | GEO

Alpha/Beta Mouse TCR Sequencing of CD4+ thymic regulatory and conventional T-cells

Project description:Thymic regulatory T cells (tTreg) are critical in maintenance of normal T cell immunity and tolerance. The role of TCR in tTreg cell selection remains incompletely understood. Here we assessed TCRa and TCRb sequences of tTreg and conventional thymic CD4+ T (Tconv) cells by high throughput sequencing. We identified ab TCR sequences that were unique to either tTreg or Tconv cells and found that these were distinct as recognized by machine learning (ML) algorithm and by preferentially used amino acid trimers in ab CDR3 of tTreg cells. In addition, a proportion of ab TCR sequences expressed by tTreg were also found in Tconv cells, and ML classified the great majority of these shared ab TCR sequences as characteristic of Tconv and not tTreg cells. These findings identify two populations of tTreg, one in which Treg fate is associated with unique properties of the TCR, and another with TCR properties characteristic of Tconv cells for which tTreg fate is determined by factors beyond TCR sequence.

2020-01-10 | GSE143291 | GEO

Existence of conventional dendritic cells in Gallus gallus revealed by comparative gene expression profiling

Project description:The existence of conventional dendritic cells (cDCs) has not yet been demonstrated outside mammals. In this paper, we identified bona fide cDCs in chicken spleen. Comparative profiling of global and of immune response gene expression, morphology, and T cell activation properties show that cDCs and macrophages (MPs) exist as distinct mononuclear phagocytes in chicken, resembling their human and mouse cell counterparts. Using computational analysis, core gene expression signatures for cDCs, MPs, T and B cells across chicken, human and mouse were established, which will facilitate the identification of these subsets in other vertebrates. Overall this study, by extending the newly uncovered cDC and MP paradigm to chicken, suggests that the generation of these two phagocyte lineages occurred before the reptile to mammal and bird transition in evolution. It opens avenues for the design of new vaccines and neutraceuticals that are mandatory for the sustained supply of poultry products in the expanding human population. Four independent replicates of RNA from 4 cellular populations have been purified from histocompatible chicken spleens, based on surface markers and fluorecence cell sorting: putative conventional Dendritic cells (F2+, MHC-II+ cells) ; control B cells (BU-1+ cells; only 3 replicates could be included in the study); T cells (CD3+ cells) and macrophage spleen population (MHC-II+, KUL-01+ cells).

2014-05-01 | E-GEOD-55642 | biostudies-arrayexpress

Expression data from lung CD11b+ conventional dendritic cells in the steady-state and following exposure to house dust mite allergens

Project description:Using mouse lung resident conventional CD11b+ dendritic cells (CD11b+ cDCs) in the context of house-dust mite (HDM)-driven allergic airway sensitization as a model, we aimed here to identify transcriptional events regulating the pro-Th2 activity of cDCs. We used microarray analyses to identify genes differentially expressed by lung CD11b+ conventional dendritic cells in response to house dust mite allergens in wild-type and Irf3-deficient mice

2016-09-30 | GSE80809 | GEO

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