Interstitial Macrophage Phenotypes in Schistosoma-Induced Pulmonary Hypertension
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1069761 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR27746100_1.fastq.gz | Fastqsanger.gz | |||
| SRR27746100_2.fastq.gz | Fastqsanger.gz | |||
| SRR27746101_1.fastq.gz | Fastqsanger.gz | |||
| SRR27746101_2.fastq.gz | Fastqsanger.gz | |||
| SRR27746102_1.fastq.gz | Fastqsanger.gz |
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Project description:Schistosomiasis, a prevalent cause of pulmonary hypertension (PH) globally, triggers type 2 inflammation, with interstitial macrophages (IMs) derived from monocytes playing a crucial role. These IMs produce thrombospondin-1 (TSP-1), activating TGF-β and driving PH pathology. Two distinct IM subpopulations were identified: resident FOLR2+ IMs expressing monocyte recruitment factors, and recruited CCR2+ IMs expressing TSP-1. Upon exposure to Schistosoma, the CCR2+ subpopulation expanded. Flow cytometry and single-cell RNA sequencing confirmed these findings, revealing crosstalk between IM subpopulations. The resident FOLR2+ IMs increased expression of monocyte recruitment ligands, while the recruited CCR2+ IMs expressed elevated TSP-1, activating TGF-β and contributing to PH. This study provides insights into the complex interplay of IM subpopulations in Schistosoma-induced PH, shedding light on potential therapeutic targets for this global health concern.
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Project description:Alveolar Macrophage Phenotypes in Schistosoma-Induced Pulmonary Hypertension
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Project description:Schistosomiasis, a prevalent cause of pulmonary hypertension (PH) globally, triggers type 2 inflammation. The role of alveolar macrophages (AMs) are not well defined. This study provides insights into the complex interplay of AMs subpopulations in Schistosoma-induced PH, shedding light on potential therapeutic targets for this global health concern.
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Project description:Whole lung RNA-seq of 8 mice with experimental Schistosoma-induced pulmonary hypertension, compared to 8 control mice. All mice on a C57Bl6/J background. 3 schisto-PH and 3 control mice (#s 1-3 in each group) were also processed by Affy microarray and separately submitted. 3 of the mice in each group (labeled 1D11) were also treated with the pan-TGF-beta neutralizing antibody 1D11. Illumina HiSeq 2000 used. Data published in: Protective Role of IL6 in Vascular Remodeling in Schistosoma-Pulmonary Hypertension. Graham BB, Chabon J, Kumar R, Kolosionek E, Gebreab L, Debella E, Edwards M, Diener K, Shade T, Bifeng G, Bandeira A, Butrous G, Jones K, Geraci M, Tuder RM. Am J Respir Cell Mol Biol. 2013 Jul 1. [Epub ahead of print] PMID: 23815102 Whole lung transcriptome of 8 mice with experimental Schistosoma-induced pulmonary hypertension, compared to 8 control mice. All mice on a C57Bl6/J background.
2013-07-23 | E-GEOD-49114 | biostudies-arrayexpress
Project description:Rationale: Schistosomiasis is one of the most common causes of pulmonary arterial hypertension worldwide, but the pathogenic mechanism by which the host inflammatory response contributes to vascular remodeling is unknown. We sought to identify signaling pathways that play protective or pathogenic roles in experimental Schistosoma-induced pulmonary vascular disease by whole-lung transcriptome analysis. Methods: Wildtype mice were experimentally exposed to S. mansoni ova by intraperitoneal sensitization followed by tail vein augmentation, and the phenotype assessed by right ventricular catheterization and tissue histology, RNA and protein analysis. Whole-lung transcriptome analysis by microarray and RNA sequencing was performed, the latter analyzed using 2 bioinformatic methods. Functional testing of the candidate IL-6 pathway was determined using IL6-knockout mice and the STAT3 inhibitor STI-201. Results: Wild-type mice exposed to S. mansoni had increased right ventricular systolic pressure and thickness of the pulmonary vascular media. Whole lung transcriptome analysis identified the IL6-STAT3-NFATc2 pathway as being upregulated, which was confirmed by PCR and immunostaining of lung tissue from S. mansoni-exposed mice and patients who died of the disease. Mice lacking IL6 or treated with STI-201 developed pulmonary hypertension associated with significant intima remodeling after exposure to S. mansoni. Conclusions: Whole lung transcriptome analysis identified upregulation of the IL6-STAT3-NFATc2 pathway, and IL6 signaling was found to be protective against Schistosoma-induced intimal remodeling. Affy Mouse ST1.0 chip used. Whole lung transcriptome of 3 mice with experimental Schistosoma-induced pulmonary hypertension, compared to 3 control mice. All mice on a C57Bl6/J background.
2013-07-16 | E-GEOD-48936 | biostudies-arrayexpress
Project description:Whole lung RNA-seq of 8 mice with experimental Schistosoma-induced pulmonary hypertension, compared to 8 control mice. All mice on a C57Bl6/J background. 3 schisto-PH and 3 control mice (#s 1-3 in each group) were also processed by Affy microarray and separately submitted. 3 of the mice in each group (labeled 1D11) were also treated with the pan-TGF-beta neutralizing antibody 1D11. Illumina HiSeq 2000 used. Data published in: Protective Role of IL6 in Vascular Remodeling in Schistosoma-Pulmonary Hypertension. Graham BB, Chabon J, Kumar R, Kolosionek E, Gebreab L, Debella E, Edwards M, Diener K, Shade T, Bifeng G, Bandeira A, Butrous G, Jones K, Geraci M, Tuder RM. Am J Respir Cell Mol Biol. 2013 Jul 1. [Epub ahead of print] PMID: 23815102
2013-07-23 | GSE49114 | GEO
Project description:Rationale: Schistosomiasis is one of the most common causes of pulmonary arterial hypertension worldwide, but the pathogenic mechanism by which the host inflammatory response contributes to vascular remodeling is unknown. We sought to identify signaling pathways that play protective or pathogenic roles in experimental Schistosoma-induced pulmonary vascular disease by whole-lung transcriptome analysis. Methods: Wildtype mice were experimentally exposed to S. mansoni ova by intraperitoneal sensitization followed by tail vein augmentation, and the phenotype assessed by right ventricular catheterization and tissue histology, RNA and protein analysis. Whole-lung transcriptome analysis by microarray and RNA sequencing was performed, the latter analyzed using 2 bioinformatic methods. Functional testing of the candidate IL-6 pathway was determined using IL6-knockout mice and the STAT3 inhibitor STI-201. Results: Wild-type mice exposed to S. mansoni had increased right ventricular systolic pressure and thickness of the pulmonary vascular media. Whole lung transcriptome analysis identified the IL6-STAT3-NFATc2 pathway as being upregulated, which was confirmed by PCR and immunostaining of lung tissue from S. mansoni-exposed mice and patients who died of the disease. Mice lacking IL6 or treated with STI-201 developed pulmonary hypertension associated with significant intima remodeling after exposure to S. mansoni. Conclusions: Whole lung transcriptome analysis identified upregulation of the IL6-STAT3-NFATc2 pathway, and IL6 signaling was found to be protective against Schistosoma-induced intimal remodeling. Affy Mouse ST1.0 chip used. Data published in: Protective Role of IL6 in Vascular Remodeling in Schistosoma-Pulmonary Hypertension. Graham BB, Chabon J, Kumar R, Kolosionek E, Gebreab L, Debella E, Edwards M, Diener K, Shade T, Bifeng G, Bandeira A, Butrous G, Jones K, Geraci M, Tuder RM. Am J Respir Cell Mol Biol. 2013 Jul 1. [Epub ahead of print] PMID: 23815102
2013-07-16 | GSE48936 | GEO
Project description:The hypothesis tested in this study was that chronic exposure of PBMCs to a hypertensive environment in remodeled pulmonary vessels would be reflected by specific transcriptional changes in these cells. The transcript profiles of PBMCs from 30 idiopathic pulmonary arterial hypertension patients (IPAH), 19 patients with systemic sclerosis without pulmonary hypertension (SSc), 42 scleroderma-associated PAH patients (SSc-PAH), and 8 patients with SSc complicated by interstitial lung disease and PH (SSC-PH-ILD) were compared to the gene expression profiles of PBMCs from 41 healthy individuals. Gene expression is compared at a global level using total RNA from BPMC for pateints and controls using the Illumina microarray platform.
2012-04-29 | E-GEOD-33463 | biostudies-arrayexpress
Project description:These microarray studies were performed using whole lungs of BALB/C mice during development of hypoxia-induced pulmonary hypertension (days 1-21) and resolution of pulmonary hypertension after return to normoxia (days 22-35) . Mice were sampled during nine time-points and each time-point was replicated 4 times (with dye swapping). Keywords = hypoxia Keywords = pulmonary hypertension
2010-06-10 | E-GEOD-1909 | biostudies-arrayexpress
Project description:Protective Role of IL6 in Vascular Remodeling in Schistosoma-Pulmonary Hypertension
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