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The role of IL-33 on red pulp macrophage (RPM) development

ABSTRACT: This study investigated the effects of IL1RL1 deficiency on the devlopment of red pulp macrophages (RPM)

ORGANISM(S): Mus musculus

PROVIDER: GSE146782 | GEO | 2020/03/11

REPOSITORIES: GEO

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The role of IL-33 on red pulp macrophage (RPM) development

Project description:The role of IL-33 on red pulp macrophage (RPM) development

| PRJNA611962 | ENA

PPARγ is essential for the development of erythroblastic island macrophages and red pulp macrophages

Project description:Macrophages in the bone marrow erythroblastic island (EIM) and splenic red pulp (RPM) are required for terminal erythropoiesis and removal of aged erythrocytes, respectively. This manuscript shows that EIM and RPM development require both PPARg and Spi-C.

2021-02-04 | GSE166085 | GEO

Differential gene expression of TLR7 overexpressing inflammatory hemophagocytes, Ly6Chi Monocytes, and Red Pulp Macrophages

Project description:We have defined a novel population of monocyte-derived hemophagocytes (inflammatory hemophagocytes (iHPC)) found in situations of inflammation, such as TLR7.1 mice that overexpress TLR7. These iHPC are similar yet distinct from red pulp macrophages (RPM) and differentiate in response to chronic TLR7 signals. In vivo, iHPC phagocytose red blood cells and platelets causing anemia and thrombocytopenia. We performed this study to further understand iHPC and their relationship to RPM and monocytes and determine what gene signatures make them unique.

2019-01-15 | GSE117711 | GEO

Investigation of Bach2 function by heme-iron homeostasis in red-pulp macrophage.

Project description:Macrophages are central in regulating iron homeostasis. Transcription repressor Bach2 regulates by heme. Here we investigated the relationship between heme-regulated Bach2 and macrophage in spleen. We found that gene expression were not many change between WT and Bach2 knock out mice in red-pulp macrophage.Our results suggest that the function of the red-pulp macrophage is not dependent on according to expression of Bach2.

2019-03-31 | GSE79806 | GEO

Tissue printing: splenic red pulp macrophages of once-malaria infected mice are transcriptionally identical to prenatally seeded red pulp macrophages from uninfected mice.

Project description:Acute malaria infection with P. chabaudi obliterates embryonically seeded tissue-resident red pulp macrophages in the spleen of C57Bl/6J mice - regardless of whether the infection is mild (mosquito transmitted P. chabaudi AS - no hyperparasitaemia, no measurable clinical manifestations of disease other than low-grade anaemia) or severe (mosquito transmitted P. chabaudi AJ - acute hyperparasitaemia, severe anaemia, hypothermia and prostration). Red pulp macrophages return 100 days later, once mice cleared parasitaemia. We then flow sorted 10,000 red pulp macrophages (lineage-, autofluorescent, F4/80+, B220-, CD11bint, CD11cint) directly into Trizol, extracted total RNA and analysed their transciptome using the affymetrix mouse exon 1.0 ST array. Red pulp macrophages from mice once infected with mild AS or severe AJ P. chabaudi parasites were compared to uninfected age-matched mice. We uncover that red pulp macrophages isolated from the spleens of once-malaria infected mice are transcriptionally identical to prenatally seeded red pulp macrophages from uninfected mice. The spleen tissue niche thus imprints an identical functional profile onto these cells - regardless of their origin.

2020-11-26 | GSE149894 | GEO

Clinical and molecular characterization of splenic diffuse red pulp lymphomas [Agilent]

Project description:Deep characterization of a large series of splenic diffuse red pulp lymphomas

2017-12-23 | GSE65060 | GEO

Affymetrix SNP-array data for splenic diffuse red pulp lymphoma samples

Project description:Deep characterization of a large series of splenic diffuse red pulp lymphomas DNA from 5 tumor samples, corresponding to 4 cases, were analyzed with Affymetrix SNP 6.0 platform for copy number alteration study.

2017-12-23 | GSE65052 | GEO

Transcript profiling in splenic red pulp macrophages from SIRPa-KO mice and WT mice

Project description:To compare the splenic macrophages between SIRPα-knockout mice and WT mice, we performed a complete transcript profiling of the splenic red pulp macrophages from SIRPα-KO mice compared to WT mice using mRNA microarray as a discovery platform. SIRPα-KO mice and WT mice were kept under the same condition. Macrophages were isolated from spleen red pulp of SIRPα-KO mice and WT mice. RNA was then isolated from the same number of freshly isolated macrophages.

2016-11-22 | GSE78191 | GEO

bulk mRNA sequencing of splenic Red Pulp Fibroblasts (RPF) and lymph node Fibroblastic Reticular Cells (FRC)

Project description:bulk mRNA sequencing was used to compare the fibroblastic nature of RPF and FRC transcriptomes, and the transcriptionnal response induced in RPF by Red Pulp Macrophages depletion

2020-06-19 | GSE148356 | GEO

Metabolomic characterization of pitaya fruit from three red-skinned cultivars with different pulp colors

Project description:Pitaya is a new fruit crop, whose exotically colored fruits have excellent nutritional and antioxidant properties. In this study, the primary metabolite profiles of three pitaya cultivars i.e. 'Guanhuahong' (red peel with red pulp), 'Guanhuabai' (red peel with white pulp) and 'Guanhuahongfen' (red peel with pink pulp) were investigated using GC-MS and Ultraviolet–visible spectroscopy. In the fruit pulp, levels of starch, organic acids, and inositol decreased as the fruit matured. Glucose, fructose, sucrose and sorbitol contents increased gradually during fruit maturation and reached their highest levels in the pulp at the mature stage. Citramalic acid was identified for the first time in the pulp of Hylocereus species. Higher levels of total phenols, flavonoids and antioxidant activities were detected in the peel than in the pulp during fruit maturation of all three cultivars. The finding of higher levels of total phenols and flavonoids in the pitaya peel than in the pulp at the mature stage suggests that pitaya peels are a good source of natural phenols and flavonoids.

2023-04-04 | MTBLS3860 | MetaboLights

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