Aryl hydrocarbon receptor is essential for the pathogenesis of pulmonary arterial hypertension [ChIP-Seq]
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA681182 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR13156651.fastq.gz | Fastqsanger.gz | |||
| SRR13156652.fastq.gz | Fastqsanger.gz | |||
| SRR13156653.fastq.gz | Fastqsanger.gz | |||
| SRR13156654.fastq.gz | Fastqsanger.gz |
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Project description:Aryl hydrocarbon receptor is essential for the pathogenesis of pulmonary arterial hypertension [PBMC]
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Project description:Aryl hydrocarbon receptor is essential for the pathogenesis of pulmonary arterial hypertension [day56 RNA-Seq]
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Project description:Pulmonary arterial hypertension (PAH) is a devastating disease characterized by arteriopathy in the small to medium-sized distal pulmonary arteries, often accompanied by infiltration of inflammatory cells. Aryl hydrocarbon receptor (AHR), a nuclear receptor/transcription factor, detoxifies xenobiotics and regulates the differentiation and function of various immune cells. However, the role of AHR in the pathogenesis of PAH is largely unknown. Here, we explore the role of AHR in the pathogenesis of PAH. AHR agonistic activity in serum was significantly higher in PAH patients than in healthy volunteer and was associated with poor prognosis of PAH. Sprague-Dawley (SD) rats treated with the potent endogenous AHR agonist, 6-formylindolo[3,2-b]carbazole in combination with hypoxia develop severe pulmonary hypertension (PH) with plexiform-like lesions, whereas SD rats treated with the potent vascular endothelial growth factor receptor 2 inhibitors did not. Ahr-knockout (Ahr-/-) rats generated using the CRISPR/Cas9 system did not develop PH in the SU5416/hypoxia model. A diet containing Qing-Dai, a Chinese herbal drug, in combination with hypoxia led to development of PH in Ahr+/+ rats, but not in Ahr-/- rats. RNA-seq analysis, ChIP-seq analysis, immunohistochemical analysis, and bone marrow transplantation experiments shows that activation of several inflammatory signaling pathways were upregulated in endothelial cells and peripheral blood mononuclear cells, which led to infiltration of CD4+ IL-21+ T cells and MRC1+ macrophages into vascular lesions in an AHR-dependent manner. Taken together, AHR plays crucial roles in the development and progression of PAH and the AHR signaling pathway represents a promising novel therapeutic target for PAH
2021-02-26 | GSE162244 | GEO
Project description:Pulmonary arterial hypertension (PAH) is a devastating disease characterized by arteriopathy in the small to medium-sized distal pulmonary arteries, often accompanied by infiltration of inflammatory cells. Aryl hydrocarbon receptor (AHR), a nuclear receptor/transcription factor, detoxifies xenobiotics and regulates the differentiation and function of various immune cells. However, the role of AHR in the pathogenesis of PAH is largely unknown. Here, we explore the role of AHR in the pathogenesis of PAH. AHR agonistic activity in serum was significantly higher in PAH patients than in healthy volunteer and was associated with poor prognosis of PAH. Sprague-Dawley (SD) rats treated with the potent endogenous AHR agonist, 6-formylindolo[3,2-b]carbazole in combination with hypoxia develop severe pulmonary hypertension (PH) with plexiform-like lesions, whereas SD rats treated with the potent vascular endothelial growth factor receptor 2 inhibitors did not. Ahr-knockout (Ahr-/-) rats generated using the CRISPR/Cas9 system did not develop PH in the SU5416/hypoxia model. A diet containing Qing-Dai, a Chinese herbal drug, in combination with hypoxia led to development of PH in Ahr+/+ rats, but not in Ahr-/- rats. RNA-seq analysis, ChIP-seq analysis, immunohistochemical analysis, and bone marrow transplantation experiments shows that activation of several inflammatory signaling pathways were upregulated in endothelial cells and peripheral blood mononuclear cells, which led to infiltration of CD4+ IL-21+ T cells and MRC1+ macrophages into vascular lesions in an AHR-dependent manner. Taken together, AHR plays crucial roles in the development and progression of PAH and the AHR signaling pathway represents a promising novel therapeutic target for PAH
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Project description:Aryl hydrocarbon receptor is essential for the pathogenesis of pulmonary arterial hypertension [day 4 RNA-Seq]
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Project description:Pulmonary arterial hypertension (PAH) is a devastating disease characterized by arteriopathy in the small to medium-sized distal pulmonary arteries, often accompanied by infiltration of inflammatory cells. Aryl hydrocarbon receptor (AHR), a nuclear receptor/transcription factor, detoxifies xenobiotics and regulates the differentiation and function of various immune cells. However, the role of AHR in the pathogenesis of PAH is largely unknown. Here, we explore the role of AHR in the pathogenesis of PAH. AHR agonistic activity in serum was significantly higher in PAH patients than in healthy volunteer and was associated with poor prognosis of PAH. Sprague-Dawley (SD) rats treated with the potent endogenous AHR agonist, 6-formylindolo[3,2-b]carbazole in combination with hypoxia develop severe pulmonary hypertension (PH) with plexiform-like lesions, whereas SD rats treated with the potent vascular endothelial growth factor receptor 2 inhibitors did not. Ahr-knockout (Ahr-/-) rats generated using the CRISPR/Cas9 system did not develop PH in the SU5416/hypoxia model. A diet containing Qing-Dai, a Chinese herbal drug, in combination with hypoxia led to development of PH in Ahr+/+ rats, but not in Ahr-/- rats. RNA-seq analysis, ChIP-seq analysis, immunohistochemical analysis, and bone marrow transplantation experiments shows that activation of several inflammatory signaling pathways were upregulated in endothelial cells and peripheral blood mononuclear cells, which led to infiltration of CD4+ IL-21+ T cells and MRC1+ macrophages into vascular lesions in an AHR-dependent manner. Taken together, AHR plays crucial roles in the development and progression of PAH and the AHR signaling pathway represents a promising novel therapeutic target for PAH
2021-02-26 | GSE162243 | GEO
Project description:Pulmonary arterial hypertension (PAH) is a devastating disease characterized by arteriopathy in the small to medium-sized distal pulmonary arteries, often accompanied by infiltration of inflammatory cells. Aryl hydrocarbon receptor (AHR), a nuclear receptor/transcription factor, detoxifies xenobiotics and regulates the differentiation and function of various immune cells. However, the role of AHR in the pathogenesis of PAH is largely unknown. Here, we explore the role of AHR in the pathogenesis of PAH. AHR agonistic activity in serum was significantly higher in PAH patients than in healthy volunteer and was associated with poor prognosis of PAH. Sprague-Dawley (SD) rats treated with the potent endogenous AHR agonist, 6-formylindolo[3,2-b]carbazole in combination with hypoxia develop severe pulmonary hypertension (PH) with plexiform-like lesions, whereas SD rats treated with the potent vascular endothelial growth factor receptor 2 inhibitors did not. Ahr-knockout (Ahr-/-) rats generated using the CRISPR/Cas9 system did not develop PH in the SU5416/hypoxia model. A diet containing Qing-Dai, a Chinese herbal drug, in combination with hypoxia led to development of PH in Ahr+/+ rats, but not in Ahr-/- rats. RNA-seq analysis, ChIP-seq analysis, immunohistochemical analysis, and bone marrow transplantation experiments shows that activation of several inflammatory signaling pathways were upregulated in endothelial cells and peripheral blood mononuclear cells, which led to infiltration of CD4+ IL-21+ T cells and MRC1+ macrophages into vascular lesions in an AHR-dependent manner. Taken together, AHR plays crucial roles in the development and progression of PAH and the AHR signaling pathway represents a promising novel therapeutic target for PAH
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Project description:Microarray analysis of peripheral blood mononuclear (PBMC) cells in pulmonary arterial hypertension. Keywords = mononuclear cells Keywords = gene microarray Keywords = pulmonary arterial hypertension Keywords = Herpesvirus Keywords = biomarker Keywords: other
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Project description:Despite recent improvements in management of idiopathic pulmonary arterial hypertension, mortality remains high. Understanding the alterations in the transcriptome–phenotype of the key lung cells involved could provide insight into the drivers of pathogenesis. In this study, we examined differential gene expression of cell types implicated in idiopathic pulmonary arterial hypertension from lung explants of patients with idiopathic pulmonary arterial hypertension compared to control lungs. After tissue digestion, we analyzed all cells from three idiopathic pulmonary arterial hypertension and six control lungs using droplet-based single cell RNA-sequencing. After dimensional reduction by t-stochastic neighbor embedding, we compared the transcriptomes of endothelial cells, pericyte/smooth muscle cells, fibroblasts, and macrophage clusters, examining differential gene expression and pathways implicated by analysis of Gene Ontology Enrichment. We found that endothelial cells and pericyte/smooth muscle cells had the most differentially expressed gene profile compared to other cell types. Top differentially upregulated genes in endothelial cells included novel genes: ROBO4, APCDD1, NDST1, MMRN2, NOTCH4, and DOCK6, as well as previously reported genes: ENG, ORAI2, TFDP1, KDR, AMOTL2, PDGFB, FGFR1, EDN1, and NOTCH1. Several transcription factors were also found to be upregulated in idiopathic pulmonary arterial hypertension endothelial cells including SOX18, STRA13, LYL1, and ELK, which have known roles in regulating endothelial cell phenotype. In particular, SOX18 was implicated through bioinformatics analyses in regulating the idiopathic pulmonary arterial hypertension endothelial cell transcriptome. Furthermore, idiopathic pulmonary arterial hypertension endothelial cells upregulated expression of FAM60A and HDAC7, potentially affecting epigenetic changes in idiopathic pulmonary arterial hypertension endothelial cells. Pericyte/smooth muscle cells expressed genes implicated in regulation of cellular apoptosis and extracellular matrix organization, and several ligands for genes showing increased expression in endothelial cells. In conclusion, our study represents the first detailed look at the transcriptomic landscape across idiopathic pulmonary arterial hypertension lung cells and provides robust insight into alterations that occur in vivo in idiopathic pulmonary arterial hypertension lungs.
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