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STAT5 activation enhances Paneth cell function by regulated ileal Wnt3a-Tcf4-Sox9 or Gfi1 to sustain niche differentiation.

ABSTRACT: To determine the potential molecular mechanisms by which STAT5 signaling control ileal Paneth cell homeostasis, we isolated total RNA from ileal intact crypts of STAT5+/+, STAT5DIEC-/- and STAT5DIEC+++ mice and performed RNA sequencing (RNA-seq). With an average of 22.3 million reads per sample, we observed 27540 transcripts when reads were aligned to the mm10 genome with annotations provided by Ensembl. Transcripts were filtered, requiring at least 3 reads in 50% of samples within at least one condition, leaving 10197 transcripts for analysis. To identify differentially-regulated transcripts, we performed ANOVA (FDR-corrected p<0.05) and required the fold change to exceed 1.5.

ORGANISM(S): Mus musculus

PROVIDER: GSE112166 | GEO | 2019/03/21

REPOSITORIES: GEO

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STAT5 activation enhances Paneth cell function by regulated ileal Wnt3a-Tcf4-Sox9 or Gfi1 to sustain niche differentiation.

Project description:STAT5 activation enhances Paneth cell function by regulated ileal Wnt3a-Tcf4-Sox9 or Gfi1 to sustain niche differentiation.

| PRJNA442331 | ENA

To determine the potential molecular mechanisms by which STAT5 signaling controls colonic crypt homeostasis, we isolated total RNA from ileal intact crypts of STAT5+/+, STAT5DIEC-/- and STAT5DIEC+++ mice and performed RNA sequencing (RNA-seq).

Project description:Reads were aligned to the mm10 genome with annotations provided by Ensembl. Transcripts were filtered, requiring at least 3 reads in 50% of samples within at least one condition. To identify differentially-regulated transcripts, we performed ANOVA (FDR-corrected p<0.05) and required the fold change to exceed 1.5.

2019-04-02 | GSE112607 | GEO

Single cell RNA sequencing analysis of germ free (GF) mouse Paneth cells and microbiome-transferred exGF mouse Paneth cells.

Project description:The single cell level Paneth cell transcriptome under gnotobiotic condition has not been resolved. How gut microbiome modulates Paneth cell transcriptome at single cell level in germ-free mice was not known. We used a flow cytometry method to isolate highly pure ileal Paneth cells from germ free (GF) Paneth cell reporter mice (Lyz1-3'UTR-IRES-CreER) and from exGF Paneth cell reporter mice that were transplanted with wild type C57B/l6 mouse gut microbiota (exGF+B6M). These isolated Paneth cells were subjected to single cell RNA sequencing by 10xGenomics.

2023-09-01 | GSE237328 | GEO

Transcriptomic profile of intestinal epithelial cells obtained from ileal endoscopic biopsies from newly-diagnosed, pediatric Crohn's disease patients and healthy controls.

Project description:Purpose: To uncover differentially-regulated transcripts and pathways/biological processes in newly-diagnosed, pediatric Crohn's disease in comparison to healthy controls. Methods: Intestinal epithelial cells were dissociated from ileal endoscopic biopsies, and stored at -80C in RNAlater. The polyA RNA fraction was purified, and single-end, 50 bp reads were sequenced and aligned to the Hg19 genome using the TopHat2 aligner. Differential analysis was performed using Bioconductor packages including edgeR, where significance was defined as p<0.05 and fold change>2. Results: We obtained 15788 reasonably-expressed transcripts that were included in differential analyses. Conclusions: Our study characterizes the dysregulation of intestinal epithelial cells in treatment-naïve Crohn's disease using RNA sequencing for transcriptomic profile of cells obtained through ileal endoscopic biopsies.

2018-10-30 | GSE117875 | GEO

Mouse duodenal and ileal Paneth cell single cell RNA sequencing

Project description:An indepth analysis of Paneth cell transcriptome at single cell level has not been available. Existing intestinal epithelial cell scRNA dataset contain many cell types, where Paneth cells represent a small portion. We used a flow cytometry based approach to enrich and isolate relatively pure Panethc cells from a newly developed Paneth cell reporter mouse line (Lyz1-3'UTR-IRES-CreER; Rosa26R-tdTomato). Single cell RNA sequencing was performed on purified duodenal and ileal Paneth cells of mice housed under specific pathogen free condition.

2023-09-01 | GSE237327 | GEO

RNA-seq of Paneth cells

Project description:The impact of removal of Mll1 in intestinal Paneth cells expressing an constitutively active form of beta-catenin (beta-cateninGOF) was analysed in 4 pairs of sorted Paneth cells of Lgr5-CreERT2; beta-cateninGOF;Mll1+/- (control) and Lgr5-CreERT2; beta-cateninGOF;Mll1-/- (knockout) mice at 10 days after tamoxifen-induced mutagenesis. Using 75-base-pair reads, around 30 million reads per sample with comparable unique mapped reads (52-93%) were obtained. To analyze differentially expressed genes, we applied DESeq2 analysis to the RNA-seq dataset. Differentially expressed genes in beta-cateninGOF; Mll1-/- versus beta-cateninGOF; Mll1+/- Paneth cells showed both up- and downregulation of genes at a false discovery rate (FDR) of 10%. This included a global increase in the expression of goblet cell-specific genes. Downregulated genes included specific markers of Paneth cells, indicating that ablation of Mll1 in Paneth cells shifted their identity towards a mixed Paneth-goblet cell fate.

2022-01-08 | GSE177047 | GEO

Tcf1 and Lef1 cooperate with CTCF and Stat5 to sustain CD8+ T cell homeostasis [ChIP-Seq]

Project description:An intricate interplay among Tcf1/Lef1, CTCF and Stat5 that orchestrates genomic architecture to coordinately promote CD8+ T cell homeostatic proliferation

2022-04-25 | GSE192758 | GEO

Endothelial NO Synthase-Dependent S-Nitrosylation of β-Catenin Prevents Its Association with TCF4 and Inhibits Proliferation of Endothelial Cells Stimulated by Wnt3a.

Project description: Not available

| S-EPMC5452725 | biostudies-literature

RNA-seq of sorted intestinal stem and Paneth cells

Project description:The impact of Mll1 removal on the intestinal stem cells and its direct effect on neighbouring Paneth cells was evaluated in sorted intestinal stem and Paneth cells from Mll1FC/+; Lgr5-eGFP-CreERT2/+ (control) and Mll1FC/FC; Lgr5-eGFP-CreERT2/+ (knockout) mice, 4 and 10 days after tamoxifen-induced mutagenesis. Using 75-base-pair reads, 30 million reads per sample with comparable unique mapped reads for stem (70-77%) and Paneth (60-76%) cells were obtained. To analyze differentially expressed genes, we applied DESeq2 analysis to the RNA-seq dataset. Analysis by DAVID and GSEA at a false discovery rate (FDR) of 5% was conducted.The stem cell transcriptome revealed that Mll1 knockout stem cells exhibited a decreased expression of several transcription factors and stem cell genes. Additionally, Mll1 ablation in stem cells had an impact on Paneth cells. Downregulation of Paneth cell specific markers indicated a loss of Paneth cell identity.

2021-11-10 | GSE157285 | GEO

Project description:Purpose: Characterize functional alterations in stem cells and paneth cells obtained from young and aged mice, focusing on age-based impairment of intestinal regeneration due to a decline in canonical Wnt signaling. Methods: mRNA profiles of young and aged stem and paneth cells were generated in triplicate (with one additional young paneth sample) using the Illumina HiSeq 2500. Reads that passed quality filters were aligned to the mm10 mouse genome with annotations provided by UCSC. Results: Approximately 10 millions reads were aligned per sample, corresponding to 36186 transcripts -- of these, 19574 exhibited reasonable expression. The effect of age was tested wtihin paneth and stem cells, using unpaired t-tests with a p-value cutoff of 0.05 and fold change cutoff of 1.5. Within paneth cells, 1025 genes were significant; within stem cells, 750 genes exhibited differential regulation. Among the downregulated genes in paneth and stem cells, we observed significant enrichment of canonical Wnt signaling genes. Conclusion: Age-related downregulation of canonical Wnt signaling is involved in the impairment of intestinal regulation upon aging.

2017-03-14 | GSE84061 | GEO

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