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E-MTAB-6028

ABSTRACT: RNA-seq of mouse alveolar macrophages sorted from CD11cCre/+ Tgfbr2fl/fl and control Tgfbr2fl/fl neonatal mice

PROVIDER: E-MTAB-6028 | ExpressionAtlas | 2017-11-28

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-MTAB-6028-analysis-methods.tsv	Tabular
	E-MTAB-6028-analytics.tsv	Tabular
	E-MTAB-6028-atlasExperimentSummary.Rdata	Rdata
	E-MTAB-6028-configuration.xml	Xml
	E-MTAB-6028-g2_g1-mvaPlot.png	Other

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RNA-seq of mouse alveolar macrophages sorted from CD11cCre/+ Tgfbr2fl/fl and control Tgfbr2fl/fl neonatal mice

Project description:RNA-seq of mouse alveolar macrophages sorted from CD11cCre/+ Tgfbr2fl/fl and control Tgfbr2fl/fl neonatal mice

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Capacity of yolk sac macrophages, fetal liver and adult monocytes to colonize an empty niche and develop into functional tissue resident macrophages

Project description:Tissue-resident macrophages can derive from yolk sac macrophages, fetal liver monocytes or adult bone marrow monocytes. Whether these precursors can give rise to transcriptionally identical alveolar macrophages is unknown. Here, we transferred traceable yolk sac macrophages, fetal liver monocytes, adult bone marrow monocytes or adult alveolar macrophages as a control, into the empty alveolar macrophage niche of neonatal Csf2rb-/- mice. All precursors efficiently colonized the alveolar niche and generated alveolar macrophages that were transcriptionally almost identical, with only 22 genes that could be linked to their origin. Underlining the physiological relevance of our findings, all transfer-derived alveolar macrophages self-maintained within the lungs for up to 1 year and durably prevented alveolar proteinosis. Thus, precursor origin does not affect the development of functional self-maintaining tissue-resident macrophages. CD45.1+CD45.2+ yolk sac macrophages, fetal liver monocytes, adult bone marrow monocytes or adult alveolar macrophages from the bronchoalveolar lavage were sorted from wild type CD45.1+CD45.2+ mice of indicated ages. From part of these samples RNA was isolated. The other part was transferred intranasally into the lungs of neonate Csf2rb-/- mice. 6 weeks post-transfer, transfer-derived CD45.1+CD45.2+ alveolar macrophages were sorted from the bronchoalveolar lavage. Wild type CD45.1+CD45.2 alveolar macrophages from the bronchoalveolar lavage of 6 week old mice were sorted as control. 36 samples (arrays) in total. RNA was isolated, amplified with Nugene pico kit, converted to cDNA and then hybridised on Affymetrix GeneChip Mouse Gene 1.0 ST Arrays.

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Project description:In this study, lung alveolar macrophages were sorted and subjected to bulk RNA-Seq from male and female neonatal lungs.

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Project description:RNA-seq of mouse sorted alveolar macrophages

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RNA-seq of mouse alveolar macrophages sorted from CD11cCre/+ Tgfbr2fl/fl and control Tgfbr2fl/fl neonatal mice

Project description:Alveolar macrophages (AMs) are lung resident phagocytes. They derive from fetal liver monocytes, which colonize the lung during embryonic development and give rise to fully mature AMs perinatally. We have identified TGF- signaling as an indispensible regulator during this process. To analyze the impact of TGF- on the entire transcriptome of AMs, we performed RNA-seq on AMs deficient of Tgfbr2 in CD11cCre/+ Tgfbr2fl/fl mice at P3 with Tgfbr2fl/fl littermates as a control.

2017-11-08 | E-MTAB-6028 | biostudies-arrayexpress

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Project description:Tissue-resident macrophages comprise heterogeneous populations with unique functions and distinct gene expression signatures. While it has been established that they mostly originate from embryonic progenitors, the signals inducing a characteristic tissue-specific differentiation program remain unknown. Here we identify PPARÎ³ as the crucial transcription factor determining perinatal alveolar macrophage (AM) development and identity. Development of the fetal monocyte derived AM precursor was largely abrogated in CD11c-Cre/Ppargfl/fl mice. To reveal the underlying changes in gene expression, we performed microarray analysis of sorted WT and KO AM and pre-AM from 3 different timepoints. Part2: adult sorts & array AM FACS-sorted from lungs of adult PPARgfl/fl (WT) and CD11c-cre/PPARgfl/fl (KO) mice and subsequently processed for RNA extraction and hybridization on Affymetrix microarrays. 2 biological replicates per group, each composed of pooled cells from 2 individual mice

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Project description:To research the different expressive genes in alveolar macrophage during asthma excerbation, we build asthma excerbation mice use HDM combined with PR8. we sepreated and collected the alveolar macrophages in BALF of mice then test the RNA expression. in this data, LysMCre Cul5fl/fl mice also challenaged with HDM combined with PR8 to compared the different expressive genes in alveolar macrophage.

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