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Mouse GM-CSF-related alveolar macrophage genome-wide expression data

ABSTRACT: GM-CSF receptor-β deficient (Csf2rb–/– or KO) mice develop a lung disease identical to hereditary pulmonary alveolar proteinosis (hPAP) in humans with recessive CSF2RA or CSF2RB mutations that impair GM-CSF receptor function. We performed pulmonary macrophage transplantation (PMT) of bone marrow derived macrophages (BMDMs) without myeloablation in Csf2rb–/–mice. BMDMs were administered by endotracheal instillation into 2 month-old Csf2rb–/– mice. Results demonstrated that PMT therapeutic of hPAP in Csf2rb–/– mice was highly efficacious and durable. Alveolar macrophages were isolated by bronchoalveolar lavage one year after administration subjected to microarray analysis to determine the effects of PMT therapy on the global gene expression profile.

ORGANISM(S): Mus musculus

PROVIDER: GSE60528 | GEO | 2014/10/01

SECONDARY ACCESSION(S): PRJNA258470

REPOSITORIES: GEO

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Project description:GM-CSF receptor-Î² deficient (Csf2rbâ/â or KO) mice develop a lung disease identical to hereditary pulmonary alveolar proteinosis (hPAP) in humans with recessive CSF2RA or CSF2RB mutations that impair GM-CSF receptor function. We performed pulmonary macrophage transplantation (PMT) of bone marrow derived macrophages (BMDMs) without myeloablation in Csf2rbâ/âmice. BMDMs were administered by endotracheal instillation into 2 month-old Csf2rbâ/â mice. Results demonstrated that PMT therapeutic of hPAP in Csf2rbâ/â mice was highly efficacious and durable. Alveolar macrophages were isolated by bronchoalveolar lavage one year after administration subjected to microarray analysis to determine the effects of PMT therapy on the global gene expression profile. Total mRNA was isolated from alveolar macrophages PMT-treated Csf2rbâ/âmice (PMT) and from age-matched, untreated KO mice (KO) and wild-type (C57Bl/6) mice (WT). Total mRNA was evaluated using Affymetrix microarrays (Mouse Gene 1.0 ST Array) to compare the gene expression profiles among the three groups (3 mice/group).

2014-10-01 | E-GEOD-60528 | biostudies-arrayexpress

Transcription repressor Bach2 is required for pulmonary surfactant homeostasis and alveolar macrophage function.

Project description:Pulmonary alveolar proteinosis (PAP) results from a dysfunction of alveolar macrophages (AMs), chiefly due to disruptions in the signaling of granulocyte macrophage colony-stimulating factor (GM-CSF). We found that mice deficient for the B lymphoid transcription repressor BTB and CNC homology 2 (Bach2) developed PAP-like accumulation of surfactant proteins in the lungs. Bach2 was expressed in AMs, and Bach2-deficient AMs showed alterations in lipid handling in comparison with wild-type (WT) cells. Although Bach2-deficient AMs showed a normal expression of the genes involved in the GM-CSF signaling, they showed an altered expression of the genes involved in chemotaxis, lipid metabolism, and alternative M2 macrophage activation with increased expression of Ym1 and arginase-1, and the M2 regulator Irf4. Peritoneal Bach2-deficient macrophages showed increased Ym1 expression when stimulated with interleukin-4. More eosinophils were present in the lung and peritoneal cavity of Bach2-deficient mice compared with WT mice. The PAP-like lesions in Bach2-deficient mice were relieved by WT bone marrow transplantation even after their development, confirming the hematopoietic origin of the lesions. These results indicate that Bach2 is required for the functional maturation of AMs and pulmonary homeostasis, independently of the GM-CSF signaling. WT (n=8) and Bach2KO (n=3) AMs. One expreriment was performed.

2014-01-15 | E-GEOD-54050 | biostudies-arrayexpress

Mouse bone marrow derived macrophages

Project description:Bone marrow cells (BM) were isolated and primed with M-CSF (M BMDM) or GM-CSF (GM BMDM) for 7 days. M-BMDMs were treated with IL6 (20 ng/ml) for 3 h or 24 h while GM-BMDMs were treated for 3 h. The difference between BM, M-BMDM, and GM-BMDM were analyzed to describe the phenotye and function of each population. Moreover, by RNA-seq analysis, the influence of IL6 treatment on GM-BMDMs and M-BMDMs were analyzed.

2022-10-31 | GSE179637 | GEO

Integrated transcriptomic and metabolomic analysis reveals the metabolic programming of GM-CSF-and M-CSF-differentiated mouse macrophages

Project description:Macrophages play a critical role in the inflammatory response and tumor development. Macrophages are primarily divided into pro-inflammatory M1-like and anti-inflammatory M2-like macrophages based on their activation status and functions. In vitro macrophage models could be derived from mouse bone marrow cells stimulated with two types of differentiation factors: GM-CSF (GM-BMDMs) and M-CSF (M-BMDMs), to represent M1-and M2-like macrophages, respectively. Since macrophage differentiation requires coordinated metabolic reprogramming and transcriptional rewiring in order to fulfill their distinct roles, we combined both transcriptome and metabolome analysis, coupled with experimental validation, to gain insight into the metabolic status of GM-and M-BMDMs. The data revealed higher levels of the tricarboxylic acid cycle (TCA cycle), oxidative phosphorylation (OXPHOS), fatty acid oxidation (FAO), and urea and ornithine production from arginine in GM-BMDMs, and a preference for glycolysis, fatty acid storage, bile acid metabolism, and citrulline and nitric oxide (NO) production from arginine in M-BMDMs. Correlation analysis with the proteomic data showed high consistency in the mRNA and protein levels of metabolic genes. Similar results were also obtained when compared to RNA-seq data of human monocyte derived macrophages from the GEO database. Furthermore, canonical macrophage functions such as inflammatory response and phagocytosis were tightly associated with the representative metabolic pathways. In the current study, we identified the core metabolites, metabolic genes, and functional terms of the two distinct mouse macrophage populations. We also distinguished the metabolic influences of the differentiation factors GM-CSF and M-CSF, and wish to provide valuable information for in vitro macrophage studies.

2023-09-19 | MTBLS6502 | MetaboLights

RNAseq analysis of GM-CSF and M-CSF polarized bone marrow derived macrophages cultured on TC or noTC dishes

Project description:Bone marrow cells were isolated, primed with M-CSF (M BMDM) or GM-CSF (GM BMDM) and cultured on tissue culture dishes (TC) or low adherent dishes (noTC) for 7 days. BMDMs were treated with LPS (100 ng/ml) for 3 hours. The difference between TC- and noTC-cultured BMDMs were analyzed to describe the phenotye and function of each population. Moreover, the influence of LPS treatment on GM-BMDMs and M-BMDMs were analyzed.

2022-06-10 | GSE198821 | GEO

MICEPAP Trial

Project description:The purpose of this study is to (1) compare a technically improved assay with an existing assay used to measure serum anti-GM-CSF antibodies in stored serum samples previously obtained from patients diagnosed with either primary, secondary, congenital or idiopathic pulmonary alveolar proteinosis (PAP), other chronic diseases or disease-free, healthy individuals; (2) determine the prevalence and levels of anti-GM-CSF autoantibodies and (3) define the breadth of the autoimmune antibody responses in primary PAP patients from the United States, Japan, Australia, and Europe using previously collected serum samples; and (4) using a chart review approach, compare the clinical, radiologic and laboratory features of primary PAP patients to determine if differences exist among patients in these globally geographically distributed regions.

| phs001309 | dbGaP

Transcription repressor Bach2 is required for pulmonary surfactant homeostasis and alveolar macrophage function.

2014-01-15 | GSE54050 | GEO

Loss of GM-CSF-dependent instruction of alveolar macrophages in COVID-19 provides a rationale for inhaled GM-CSF treatment (RNA-Seq)

Project description:Systemic GM-CSF promotes myelopoiesis and inflammation and GM-CSF blockade is being evaluated as treatment for COVID-19-associated hyperinflammation. Alveolar GM-CSF is however required for monocytes to differentiate into alveolar macrophages (AM) that control alveolar homeostasis and dampen inflammation. By mapping cross-species AM development stages to clinical lung samples, we discovered that COVID-19 is marked by defective GM-CSF-dependent AM instruction and accumulation of proinflammatory macrophages. In a multi-center, open-label, randomized, controlled trial in 81 non-ventilated COVID-19 patients with respiratory failure, we found that inhalation of rhu-GM-CSF did not improve mean oxygenation parameters compared with standard treatment. However, more patients on GM-CSF had a clinical response, and GM-CSF inhalation induced higher numbers of virus-specific CD8 effector lymphocytes and class-switched B cells, without exacerbating systemic hyperinflammation. This translational proof-of-concept study provides rationale for further testing of inhaled GM-CSF as non-invasive treatment to improve alveolar gas exchange and simultaneously boost anti-viral immunity in COVID-19

2022-11-03 | GSE216704 | GEO

Loss of evolutionary conserved GM-CSF-dependent signature in pulmonary macrophages in COVID-19 provides a rationale for inhaled GM-CSF treatment (microarray)

Project description:Alveolar GM-CSF is required for monocytes to differentiate into alveolar macrophages (AM) that control alveolar homeostasis and dampen inflammation. By mapping cross-species AM development stages to clinical lung samples, we discovered that COVID-19 is marked by defective GM-CSF-dependent AM instruction and accumulation of proinflammatory macrophages. In a multi-center, open-label, randomized, controlled trial in 81 non-ventilated COVID-19 patients with respiratory failure, we found that inhalation of rhu-GM-CSF did not improve mean oxygenation parameters compared with standard treatment. However, more patients on GM-CSF had a clinical response, and GM-CSF inhalation induced higher numbers of virus-specific CD8 effector lymphocytes and class-switched B cells, without exacerbating systemic hyperinflammation. This translational proof-of-concept study provides rationale for further testing of inhaled GM-CSF as non-invasive treatment to improve alveolar gas exchange and simultaneously boost anti-viral immunity in COVID-19

2022-11-03 | GSE216701 | GEO

NK cell-derived GM-CSF is critical for enhancing pathological arthritis

Project description:GM-CSF is involved in immune complex (IC)-mediated arthritis. However, little is known about what is the cellular source of GM-CSF and how it is regulated during IC-mediated inflammation. Using novel GM-CSF reporter mice, we show that NK cells produce GM-CSF during an IC-mediated model of inflammatory arthritis. NK cells promoted STIA in a GM-CSF-dependent manner, as deletion of NK cells and selective removal of GM-CSF production by NK cells abrogated disease. Furthermore, we show that myeloid cell activation by GM-CSF is restrained by induction of JAK/STAT checkpoint inhibitor cytokine-inducible SH2-containing protein, CIS. Myeloid cells from CIS-deficient mice had exaggerated responses to GM-CSF, and these mice develop exacerbated STIA. Our data suggest that tissue NK cells may amplify joint inflammation in arthritis via GM-CSF production and thus represent a novel target in IC-mediated pathology. Endogenous CIS provides a key brake on signaling through the GM-CSF receptor and strategies that boost its function may provide an alternative anti-inflammatory approach.

2020-02-19 | PXD012794 | Pride

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