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BMP signaling differentially regulates distinct hematopoietic stem cell types

ABSTRACT: In BRE-GFP transgenic mice BMP activated cells are marked by GFP expression. Analysis of GFP+ and GFP- LSK-SLAM HSC enriched fractions from fetal liver and adult bone marrow shows the interinsic differences in the genetic program of these two HSC enriched fractions.

ORGANISM(S): Mus musculus

PROVIDER: GSE70132 | GEO | 2015/06/23

SECONDARY ACCESSION(S): PRJNA287690

REPOSITORIES: GEO

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BMP signaling differentially regulates distinct hematopoietic stem cell types

Project description:In BRE-GFP transgenic mice BMP activated cells are marked by GFP expression. Analysis of GFP+ and GFP- LSK-SLAM HSC enriched fractions from fetal liver and adult bone marrow shows the interinsic differences in the genetic program of these two HSC enriched fractions. RNAseq of GFP+ and GFP- LSK-SLAM cells from BRE-GFP transgenic mice Fetal liver and adult bone marrow

2015-06-23 | E-GEOD-70132 | biostudies-arrayexpress

AGM hematopoietic stem cells are differentially regulated by BMP and Hedgehog signalling pathways

Project description:The first HSCs are produced in the aorta-gonadmesonephros (AGM) region of the embryo through endothelial to a hematopoietic transition. BMP4 and Hedgehog affect their production/expansion, but it is unknown whether they act to affect the same HSCs. In this study using the BRE GFP reporter mouse strain that identifies BMP/Smad-activated cells, we find that the AGM harbors two types of adult-repopulating HSCs upon explant culture. Embryonic day 11 AGM are dissected and either analyzed directly, or after explant culture in conditions containing BMP/Hedgehog with or without cyclopamine. EC: endothelial enriched (CD31+Kit-); MC: mesenchymal cell enriched (CD31-Kit-); HPSC: hematopoietic progenitor/stem cell enriched; AGM11: E11 fresh AGMs; AGMex: AGM after explant culture; AGMcy: AGM after explant in presence of cyclopamine; CD31p: CD31 positive; CD31n: CD31 negative; KITp: c-Kit positive; KITn: c-Kit negative; BREp: BRE-GFP positive; BREn: BRE-GFP negative

2015-12-22 | E-GEOD-76253 | biostudies-arrayexpress

AGM hematopoietic stem cells are differentially regulated by BMP and Hedgehog signalling pathways

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Differential expression of Hdc-GFP+/hi HSC VS Hdc-GFP-/lo hematopoetic stem cells (HSCs) from bone marrow.

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Project description:Here, we present a Small RNA-Seq dataset of isolated mouse hematopoietic stem cells (HSC LSK slam; Lineage- Sca-1+ c-Kit+ CD150+CD48-) of Meg3 KO (induced MxCre Meg3mat flox/pat wt) and control (induced MxCre) cells

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