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Transcriptomic analysis and high dimensional phenotypic mapping of mononuclear phagocytes in mesenteric lymph nodes reveal differences between ulcerative colitis and Crohn’s disease

ABSTRACT: Transcriptomic analysis and high dimensional phenotypic mapping of mononuclear phagocytes in mesenteric lymph nodes reveal differences between ulcerative colitis and Crohn’s disease

PROVIDER: PRJNA575637 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10224277_1.fastq.gz	Fastqsanger.gz
	SRR10224277_2.fastq.gz	Fastqsanger.gz
	SRR10224278_1.fastq.gz	Fastqsanger.gz
	SRR10224278_2.fastq.gz	Fastqsanger.gz
	SRR10224279_1.fastq.gz	Fastqsanger.gz

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Transcriptomic analysis and high dimensional phenotypic mapping of mononuclear phagocytes in mesenteric lymph nodes reveal differences between ulcerative colitis and Crohn’s disease

Project description:Background and Aims: Crohn’s disease [CD] and ulcerative colitis [UC] are distinct forms of inflammatory bowel disease. Heterogeneity of HLA-DR+SIRPα + mononuclear phagocytes [MNPs], including macrophages [MΦ], monocyte-derived [Mono] cells, and dendritic cells [DCs], was reported in gut tissue but not yet investigated in mesenteric lymph nodes [MLNs] of IBD patients. We here compared the phenotype, function, and molecular profile of HLA-DR+SIRPα+ MNPs in CD and UC MLNs. Methods: Cell distribution, morphology, immune function, and transcriptomic [bulk RNAseq] and high-dimensional protein expression profiles [CyTOF] of HLA-DR+SIRPα+ MNPs were examined in MLNs of UC [n = 14], CD [n = 35], and non-IBD [n = 12] patients. Results: Elevated frequencies of CD14+CD64+CD163+ [Mono/MΦ-like] MNPs displaying monocyte/ MΦ morphology and phagocytic function were a distinct feature of UC MLNs. In CD, the proportion of CD14-CD64-CD163- [DC-like] cells was augmented relative to Mono/MΦ-like cells; DC-like cells drove naïve T cell proliferation, Th1 polarisation, and Th17 TCM plasticity. Gene expression profile corroborated the nature of DC-like cells, best represented by BTLA, SERPINF, IGJ and, of Mono/MΦ- like cells, defined by CD163, MARCO, MAFB, CD300E, S100A9 expression. CyTOF analysis showed that CD123+ plasmacytoid cells predominated over conventional DCs in DC-like cells. Four CD163+ clusters were revealed in Mono/MΦ-like cells, two of which were enriched in MARCO-CD68dimHLA-DRdim monocyte-like cells and MARCOhiCD68hiHLA-DRhi Mɸ, whose proportion increased in UC relative to CD. Conclusions: Defining the landscape of MNPs in MLNs provided evidence for expansion of CD163+ Mono/MΦ-like cells in UC only, highlighting a distinction between UC and CD, and thus the potential contribution of monocyte-like cells in driving colitis.

2019-10-04 | GSE138364 | GEO

Expression data from pig mesenteric lymph nodes

2010-06-11 | GSE22311 | GEO

scRNAseq of stromal cells isolated from mesenteric lymph nodes (MLN), peripheral lymph nodes (PLN) and mandibular lymph nodes (mandLN)

Project description:scRNAseq of stromal cells isolated from mesenteric lymph nodes (MLN), peripheral lymph nodes (PLN) and mandibular lymph nodes (mandLN)

2022-09-01 | E-MTAB-11644 | biostudies-arrayexpress

Expression data from pig mesenteric lymph nodes

Project description:The mesenteric lymph nodes represent the immune response to eggs in schistosome infections,and the analysis of gene expression profiles of the mesenteric lymph nodes from the Vac-Cha (vaccinated with UV attenuated cercariae and challenged with normal cercariae)and Inf-Con (infected with normal cercariae) groups. We used microarrays to detail the global programme of gene expression and identified distinct classes of up-regulated and down-regulated genes. The mesenteric lymph nodes surrounding the cecum from the Vac-Cha and Inf-Con groups were collected at week 8 post challenge and used to analyze the gene profile with Affymetrix microarrays. We sought to obtain the different genes expression profiles between the Vac-Cha group and Inf-Con group.The Vac-Cha group is three pigs vaccinated with UV attenuated Schistosoma japonicum cercariae and challenged with normal Schistosoma japonicum cercariae, and the Inf-Con group is three pigs infected with normal cercariae. Samples pooled per group. A list of differentially-regulated genes can be found in the supplementary file below.

2010-06-23 | E-GEOD-22311 | biostudies-arrayexpress

Differential pathogenic Th17 profile in mesenteric lymph nodes of Crohn's disease and ulcerative colitis patients

Project description:The drug targets IL23 and IL12 regulate pathogenicity and plasticity of intestinal Th17 cells in Crohn’s disease (CD) and ulcerative colitis (UC), the two most common inflammatory bowel diseases (IBD). However, studies examining Th17 dysregulation in mesenteric lymph nodes (mLNs) of these patients are rare. We showed that in mLNs, CD could be distinguished from UC by increased frequencies of CCR6+CXCR3-RORg+Tbet-CD4+ (Th17) memory T cells enriched in CD62Llow effector memory T cells (TEM), and their differentially expressed molecular profile. Th17 TEM cells (expressing IL17A, IL17F, RORC and STAT3) displayed a higher pathogenic/cytotoxic (IL23R, IL18RAP, and GZMB, CD160, PRF1) gene signature in CD relative to UC, while non-pathogenic/regulatory genes (IL9, FOXP3, CTLA4) were more elevated in UC. In both CD and UC, IL12 but not IL23, augmented IFNg expression in Th17 TEM and switched their molecular profile towards an ex-Th17 (Th1*)-biased transcriptomic signature (increased IFNG, and decreased TCF7, IL17A), suggesting that Th17 plasticity occurs in mLNs before their recruitment to inflamed colon. We propose that differences observed between Th17 cell frequencies and their molecular profile in CD and UC might have implications in understanding disease pathogenesis, and thus, therapeutic management of patients with IBD.

2019-05-17 | GSE131359 | GEO

Expression data from non-infected and Salmonella Choleraesuis infected mesenteric lymph nodes

2007-09-30 | GSE7314 | GEO

Transcriptomic Analysis and High-dimensional Phenotypic Mapping of Mononuclear Phagocytes in Mesenteric Lymph Nodes Reveal Differences Between Ulcerative Colitis and Crohn's Disease.

Project description:Background and aimsCrohn's disease [CD] and ulcerative colitis [UC] are distinct forms of inflammatory bowel disease. Heterogeneity of HLA-DR+SIRPα + mononuclear phagocytes [MNPs], including macrophages [MΦ], monocyte-derived [Mono] cells, and dendritic cells [DCs], was reported in gut tissue but not yet investigated in mesenteric lymph nodes [MLNs] of IBD patients. We here compared the phenotype, function, and molecular profile of HLA-DR+SIRPα + MNPs in CD and UC MLNs.MethodsCell distribution, morphology, immune function, and transcriptomic [bulk RNAseq] and high-dimensional protein expression profiles [CyTOF] of HLA-DR+SIRPα + MNPs were examined in MLNs of UC [n = 14], CD [n = 35], and non-IBD [n = 12] patients.ResultsElevated frequencies of CD14+CD64+CD163+ [Mono/MΦ-like] MNPs displaying monocyte/MΦ morphology and phagocytic function were a distinct feature of UC MLNs. In CD, the proportion of CD14-CD64-CD163- [DC-like] cells was augmented relative to Mono/MΦ-like cells; DC-like cells drove naïve T cell proliferation, Th1 polarisation, and Th17 TCM plasticity. Gene expression profile corroborated the nature of DC-like cells, best represented by BTLA, SERPINF, IGJ and, of Mono/MΦ-like cells, defined by CD163, MARCO, MAFB, CD300E, S100A9 expression. CyTOF analysis showed that CD123+ plasmacytoid cells predominated over conventional DCs in DC-like cells. Four CD163+ clusters were revealed in Mono/MΦ-like cells, two of which were enriched in MARCO-CD68dimHLA-DRdim monocyte-like cells and MARCOhiCD68hiHLA-DRhi Mɸ, whose proportion increased in UC relative to CD.ConclusionsDefining the landscape of MNPs in MLNs provided evidence for expansion of CD163+ Mono/MΦ-like cells in UC only, highlighting a distinction between UC and CD, and thus the potential contribution of monocyte-like cells in driving colitis.

| S-EPMC7068244 | biostudies-literature

Transcription profiling of mouse Peyers patch and mesenteric lymph nodes after oral infection with Y. enterolitica

Project description:To gain a comprehensive view of the host response to pathogens within these tissues, we determined the transcriptional profiles of intestinal lymphatic tissue infected with Y. enterocolitica. Expression analysis using Affymetrix GeneChips revealed a complex host response in the Peyers patches (PP) and mesenteric lymph nodes (MLN) following oral infection with Y. enterocolitica. Peyer's patches and mesenteric lymph nodes were surgically removed from uninfected (control) and infected (experimental) mice at 12 hours, day 2, 4 and 7 post oral infection. Tissue samples from 10 mice per time-point were combined. Total RNA was extracted using the Trizol method prior to total cDNA syntesis, labeling and hybridization to Affymetrix MGU74Av2 GeneChips. Data was processed and analyzed using MAS 5.0 and custom analysis protocols. Samples from Peyer's patches and mesenteric lymph nodes are included in this series.

2007-11-24 | E-GEOD-4764 | biostudies-arrayexpress

Spatial transcriptomics from murine inguinal and mesenteric lymph nodes

Project description:Spatial transcriptomics from murine inguinal and mesenteric lymph nodes

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Transcription profiling of pig non-infected and Salmonella Choleraesuis infected mesenteric lymph nodes

Project description:To understand the host transcriptional response to S. enterica serovar Choleraesuis (S. Choleraesuis), the first generation Affymetrix porcine GeneChipÂ® was used to identify differentially expressed genes in the mesenteric lymph nodes responding to infection at acute (8 hours (h), 24h, 48h post-inoculation (pi)) and chronic stages (21 days (d) pi); The objectives of this study were to identify and examine the stereotypical gene expression response within the host mesenteric lymph nodes to S. Choleraesuis infection, and to characterize the global host responses by revealing the specific features of the hostâs innate immunity. Experiment Overall Design: Fifteen piglets from Salmonella spp.-free sows were weaned at 10 days (d) of age, shipped to the National Animal Disease Center, Ames, IA and raised in isolation facilities. To confirm that all piglets were free of Salmonella spp. prior to challenge, bacteriological cultures were performed on rectal swabs twice. Seven week old pigs were randomly divided into 2 groups, 3 non-infected pigs and 12 infected pigs. Three non-infected control pigs were necropsied 3 days prior to experimental infection. On day 0, pigs in the infected groups were intranasally challenged with 1 billion CFU of Salmonella enterica serotype Choleraesuis x3246. Three infected pigs were necropsied at 8 hours post-inoculation (hpi), 24 hpi, 48 hpi and 21 day post-inoculation (dpi). Tissue samples from the mesenteric lymph nodes (MLN) were collected and immediately frozen in liquid nitrogen for RNA isolation.

2008-06-15 | E-GEOD-7314 | biostudies-arrayexpress

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