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IL-13/IL-4 signaling contributes to fibrotic progression of the myeloproliferative neoplasms

ABSTRACT: IL-13/IL-4 signaling contributes to fibrotic progression of the myeloproliferative neoplasms

PROVIDER: PRJNA847992 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19626875_1.fastq.gz	Fastqsanger.gz
	SRR19626875_2.fastq.gz	Fastqsanger.gz
	SRR19626876_1.fastq.gz	Fastqsanger.gz
	SRR19626876_2.fastq.gz	Fastqsanger.gz
	SRR19626877_1.fastq.gz	Fastqsanger.gz

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Myelodysplastic/myeloproliferative neoplasms

Project description:This SuperSeries is composed of the following subset Series: GSE21948: High Density custom Agilent 44K CGH array analysis of 7q and TET2 region in myelodysplastic/myeloproliferative neoplasms GSE21990: Affymetrix SNP 6.0 array data for myelodysplastic/myeloproliferative neoplasms Refer to individual Series

2010-06-30 | E-GEOD-21991 | biostudies-arrayexpress

IL-13/IL-4 signaling contributes to fibrotic progression of the myeloproliferative neoplasms

Project description:Myelofibrosis (MF) is a disease with high unmet medical need since bone marrow transplant is not an option for many patients and JAK inhibitors are generally effective for only 2-3 years. MF is characterized by the presence of dysplastic megakaryocytes and progression to fulminant disease is associated with significantly increased fibrosis in the bone marrow. Despite evidence of an inflammatory state in MF that drives disease progression, the specific factors that promote megakaryocyte growth are poorly understood. Here, we analyzed changes in the cytokine profiles of MF mouse models before and after development of fibrosis coupled with analysis of bone marrow populations by scRNA-seq. We found high IL-13 levels in the bone marrow of MF mice. IL-13 promoted the growth of mutant megakaryocytes and induced the surface expression of TGF-B and collagen biosynthesis. Analysis of samples from patients with myelofibrosis revealed elevated levels of IL-13 in plasma and increased IL-13 receptor expression in megakaryocytes in the bone marrow, indicating that our observations in mice are relevant in human disease. In vivo, IL-13 overexpression promoted disease progression while reducing IL-13/IL-4 signaling reduced several features of the disease including fibrosis. Lastly, we found an increase in T cells and mast cells, which are known sources of IL-13 in MF bone marrow. Together, our data demonstrate that IL-13 is involved in the progression of MF and that inhibition of the IL-13/IL-4 signaling pathway should be investigated as a therapeutic option in MF.

2023-01-03 | GSE205884 | GEO

Pathophysiology of arterial cardiovascular events in patients with JAK2V617F myeloproliferative neoplasms

Project description:Cardiovascular events are the leading cause of death in patients with JAK2V617F myeloproliferative neoplasms. Their mechanisms are poorly understood. To investigate the role of microvesicles in these events, we performed a proteomic analysis of microvesicles derived from red blood cells from mice with a myeloproliferative neoplasms (Jak2V617F Flex/WT ;VE-cadherin-Cre) vs. littermate controls.

2020-02-17 | PXD014451 | Pride

IL-13/IL-4 signaling contributes to fibrotic progression of the myeloproliferative neoplasms.

Project description:Myelofibrosis (MF) is a disease associated with high unmet medical needs because allogeneic stem cell transplantation is not an option for most patients, and JAK inhibitors are generally effective for only 2 to 3 years and do not delay disease progression. MF is characterized by dysplastic megakaryocytic hyperplasia and progression to fulminant disease, which is associated with progressively increasing marrow fibrosis. Despite evidence that the inflammatory milieu in MF contributes to disease progression, the specific factors that promote megakaryocyte growth are poorly understood. Here, we analyzed changes in the cytokine profiles of MF mouse models before and after the development of fibrosis, coupled with the analysis of bone marrow populations using single-cell RNA sequencing. We found high interleukin 13 (IL-13) levels in the bone marrow of MF mice. IL-13 promoted the growth of mutant megakaryocytes and induced surface expression of transforming growth factor β and collagen biosynthesis. Similarly, analysis of samples from patients with MF revealed elevated levels of IL-13 in the plasma and increased IL-13 receptor expression in marrow megakaryocytes. In vivo, IL-13 overexpression promoted disease progression, whereas reducing IL-13/IL-4 signaling reduced several features of the disease, including fibrosis. Finally, we observed an increase in the number of marrow T cells and mast cells, which are known sources of IL-13. Together, our data demonstrate that IL-13 is involved in disease progression in MF and that inhibition of the IL-13/IL-4 signaling pathway might serve as a novel therapeutic target to treat MF.

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CXCL8/CXCR2 signaling is Enriched in Fibrotic Myeloproliferative Neoplasms and is Vulnerable to Therapeutic Inhibition [RNA-Seq]

Project description:Pro-inflammatory signaling is a hallmark feature of human cancer, including in myeloproliferative neoplasms (MPNs), most notably myelofibrosis (MF). Dysregulated inflammatory signaling contributes to fibrotic progression in MF; however, the individual cytokine mediators elicited by malignant MPN cells to promote collagen-producing fibrosis and disease evolution remain yet to be fully elucidated. Previously we identified a critical role for combined constitutive JAK/STAT and aberrant NF-kB pro-inflammatory signaling in myelofibrosis development. Using single-cell transcriptional and cytokine-secretion studies of primary MF patient cells and two separate murine models of myelofibrosis, we extend this previous work and delineate the role of CXCL8/CXCR2 signaling in MF pathogenesis and bone marrow fibrosis progression. MF patient hematopoietic stem/progenitor cells are enriched in a CXCL8/CXCR2 gene signature and display dose-dependent proliferation and fitness in response to exogenous CXCL8 ligand in vitro. Genetic deletion of Cxcr2 in the hMPLW515L adoptive transfer model abrogates fibrosis and extends overall survival, and pharmacologic inhibition of the CXCR1/2 pathway improves hematologic parameters, attenuates bone marrow fibrosis, and synergizes with JAK inhibitor therapy. Our mechanistic insights provide a rationale for therapeutic targeting of the CXCL8/CXCR2 pathway in MF patients at risk for continued fibrotic progression.

2023-05-12 | GSE189979 | GEO

CXCL8/CXCR2 signaling is Enriched in Fibrotic Myeloproliferative Neoplasms and is Vulnerable to Therapeutic Inhibition [ATAC-Seq]

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Genetic charcterization of myeloproliferative neoplasms (MPN)

Project description:Genetic charcterization of myeloproliferative neoplasms (MPN)

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CXCL8/CXCR2 signaling is Enriched in Fibrotic Myeloproliferative Neoplasms and is Vulnerable to Therapeutic Inhibition

Project description:CXCL8/CXCR2 signaling is Enriched in Fibrotic Myeloproliferative Neoplasms and is Vulnerable to Therapeutic Inhibition

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