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Single cell analysis of RORgt-expressing immune cells in the large intestine of healthy mice

ABSTRACT: RORgt is a lineage-specifying transcription factor expressed among immune cells that are enriched in the gastrointestinal tract and critically orchestrate immunity, inflammation, and tissue homeostasis. However, the spectrum of cellular heterogeneity among these cell types, the mechanisms controlling their tissue protective versus inflammatory roles, and their functional redundancy, are not fully understood. To address these fundamental gaps in knowledge, we performed single-cell RNA sequencing on RORgt-expressing immune cells of the large intestine of healthy mice and identified 10 distinct clusters of cells based on expression of signature genes.

ORGANISM(S): Mus musculus

PROVIDER: GSE181864 | GEO | 2022/05/02

REPOSITORIES: GEO

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Gene expression profiling of small intestine (SI) NKp46+RORgt+ and NKp46+RORgt- Innate Lymphoid Cells (ILCs)

2011-06-20 | GSE29777 | GEO

Gene expression profiling of small intestine (SI) NKp46+RORgt+ and NKp46+RORgt- Innate Lymphoid Cells (ILCs)

Project description:The aim of this study was to analyze the global transcriptional profiles of small intestine (SI) Innate Lymphoid Cells (ILCs) expressing the NK cell marker NKp46. Based on differential expression of the RORgt transcription factor SI NKp46+ ILCs can be divided in NKp46+RORgt- and NKp46+RORgt+ cells. While NKp46+RORgt- cells produce IFN-g, like conventional Natural Killer (NK) cells, NKp46+RORgt+ cells secrete IL-22, like Lymphoid Tissue inducer (LTi) cells. We compared the global transcriptional profiles of both NKp46+RORgt- and NKp46+RORgt+ cells to conventional splenic NK cells and to SI NKp46-RORgt+ cells, which contain adult LTi cells. By following this approach, we showed that SI NKp46+RORγt- ILCs correspond to SI NK cells. We also identified a transcriptional program conserved in adult SI NKp46+RORγt+, NKp46-RORγt+ ILCs and fetal LTi. The various ILC cell populations analyzed in this study were isolated from C57BL/6 RORc(gt)+/GFP reporter mice. SI NKp46+RORγt- (NKp46+GFP-) cells, SI NKp46+RORγt+ cells (NKp46+GFPlow and NKp46+GFPhigh cells) and NKp46-RORγt+ ILCs, including adult LTi cells , were sorted by flow cytometry from CD3- lamina propria cells of small intestine (SI) of RORc(γt)+/GFP reporter mice . Splenic NKp46+RORγt- (NKp46+GFP-) cells were also sorted as the reference for conventional NK cells. Two replicates of each populations were produced and analyzed.

2011-06-20 | E-GEOD-29777 | biostudies-arrayexpress

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Single cell analysis of RORgt-expressing immune cells in the large intestine of healthy mice

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Foxp3+RORgt+ TCR Sequencing

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ATAC-seq of wild type and Stat3-deficient or Rorgt-deficient Th17 cells

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Expression profiling comparisons of human CD4+ T cells treated with RORgt inhibitors

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