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Clinical and molecular characterization of splenic diffuse red pulp lymphomas

ABSTRACT: Clinical and molecular characterization of splenic diffuse red pulp lymphomas

PROVIDER: PRJNA273481 | ENA |

REPOSITORIES: ENA

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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.

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Clinical and molecular characterization of splenic diffuse red pulp lymphomas

Project description:This SuperSeries is composed of the SubSeries listed below.

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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.

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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.

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

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