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Young and old HSCs from WT and Lnk-/- mice

ABSTRACT: The adaptor protein Lnk is an important negative regulator of HSC homeostasis and self-renewal. This study aims to investigate the role of Lnk in HSC aging. Here we performed expression profiling of bone marrow CD150+CD48-LSK LT-HSCs from young and old WT and Lnk-/- mice. Results identify select Lnk-mediated pathways with potential involvement in HSC self-renewal and aging.

ORGANISM(S): Mus musculus

PROVIDER: GSE39553 | GEO | 2012/10/03

SECONDARY ACCESSION(S): PRJNA171115

REPOSITORIES: GEO

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Young and old HSCs from WT and Lnk-/- mice

Project description:The adaptor protein Lnk is an important negative regulator of HSC homeostasis and self-renewal. This study aims to investigate the role of Lnk in HSC aging. Here we performed expression profiling of bone marrow CD150+CD48-LSK LT-HSCs from young and old WT and Lnk-/- mice. Results identify select Lnk-mediated pathways with potential involvement in HSC self-renewal and aging. CD150+CD48-LSK HSCs were double sorted from WT and Lnk-/- mice at both young and old ages (2 months and 20 months, respectively). RNA was isolated using miRNeasy kit from QIAGEN and processed using the NuGEN Pico kit. The microarray analysis was performed at the Penn Molecular Profiling/Genomics Facility using GeneChip Mouse Gene 1.0ST array (Affymetrix).

2012-10-03 | E-GEOD-39553 | biostudies-arrayexpress

Compare HSCs between WT and Merit40-/- mice

Project description:The adaptor protein MERIT40 is a core subunit of deubiquitinating (DUB) complexes that specifically cleave Lysine63-polyubiquitin chains. We found that MERIT40 is an important negative regulator of hematopoietic stem cell (HSC) homeostasis, quiescence and self-renewal. This study aims to investigate the molecular mechanism by which MERIT40 regulates HSC expansion and cell cycle. We performed expression profiling of bone marrow CD150+CD48-LSK LT-HSCs from WT and Merit40-/- mice. Results identify select MERIT40-mediated pathways with potential involvement in HSC cell cycle regulation. CD150+CD48-LSK HSCs were double sorted from WT and Merit40-/- mice at young age. RNA was isolated using miRNeasy kit from QIAGEN and processed using the NuGEN Pico kit. The microarray analysis was performed at the PENN Molecular Profiling/Genomics Facility using GeneChip Mouse Gene 2.0ST array (Affymetrix).

2015-04-01 | E-GEOD-65245 | biostudies-arrayexpress

Compare HSCs between WT and Merit40-/- mice

2015-04-01 | GSE65245 | GEO

Small RNA-Seq of LSK Slam HSCs MxCre Control vs MxCre Meg3 flox (Meg3 KO)

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

2019-02-15 | E-MTAB-7519 | biostudies-arrayexpress

Continuous mitotic activity of primitive hematopoietic stem cells in adult mice

Project description:Transcriptomes of 282 single HSC (LSK CD48-lo/CD150+) isolated from bone marrow of un-induced Col1a1 H2B-GFP xR26rtTA mice

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Retroviral Sox17 over-expression adult hematopoietic stem/progenitor cells microarray

Project description:The transcription factor SOX17 is expressed by fetal, but not adult hematoipoietic stem cells (HSCs), and is required for the maintenance of fetal and neonatal, but not adult, HSCs. In the current study we show that ectopic expression of Sox17 in adult HSCs and transiently reconstituting multipotent progenitors was sufficient to confer increased self-renewal potential and the expression of fetal HSC genes including fetal HSC surface markers. To assess the mechanisms by which ectopic Sox17 expression in adult hematopoietic progenitors increased self-renewal potential and conferred fetal HSC properties, we compared the gene expression profiles of E16.5 fetal liver HSCs, young adult bone marrow HSCs, young adult bone marrow CD48+LSK cells, and Sox17-expressing CD48+LSK cells isolated from mice that had been transplanted with MSCV-Sox17-infected bone marrow cells 12 weeks earlier. Total RNA (~5ng) was isolated from 3 independent, freshly isolated aliquots of 10,000 E16.5 fetal liver HSCs, 10,000 fetal liver CD48+LSK cells, 10,000 adult bone marrow HSCs, 10,000 adult bone marrow CD48+LSK cells, 10,000 Sox17-expressing CD48+LSK cells isolated from primary recipients 12 weeks after transplantation of MSCV-Sox17-infected bone marrow cells. Purified RNA was reverse transcribed and amplified using the WT-Ovation™ Pico RNA Amplification system (NuGEN Technologies) following the manufacturer’s instructions. Sense strand cDNA was generated using WT-Ovation™ Exon Module (NuGEN), then fragmented and labeled using the FL-Ovation™ cDNA Biotin Module V2 (NuGEN). 2.5µg of labeled cDNA were hybridized to Affymetrix Mouse Gene ST 1.0 microarrays.

2011-07-14 | E-GEOD-30444 | biostudies-arrayexpress

Retroviral Sox17 over-expression adult hematopoietic stem/progenitor cells microarray

2011-07-15 | GSE30444 | GEO

RNA-seq profiling of HSC, MPPs and HPC-1s from Phf6-deleted and Phf6-intact mice

Project description:The study profiled the effect of Phf6 deletion on gene expression in hematopoietic stem cells (HSCs), multipotent progenitor cells (MPPs) and hematopoietic progenitor cells (HPC-1). Phf6lox/Y;Tie2-creTg/+ mice were prepared on a C57BL/6 background so that Phf6 deletion could be selectively mediated by Tie2-cre. Cell populations were sorted from bone marrow samples using standard surface markers (Lin–SCA1+cKIT+(LSK) CD150+ CD48– for HSCs, Lin–SCA1+cKIT+(LSK) CD150– CD48– for MPPs and Lin–SCA1+cKIT+(LSK) CD150- CD48+ for HPC-1 cells). Phf6 intact and Phf6-delected cells of all three types were profiled by paired-end RNA-seq using an Illumina NextSeq 500 sequencer. RNA-seq libraries were prepared from the HPC-1 samples used a standard Illumina TruSeq library protocol whereas the libraries for the HSC and MPP samples used a SMART-seq ultra low input kit for cDNA synthesis and amplification. Statistical analysis of the TruSeq and SMART-seq samples was undertaken separately.

2019-02-20 | GSE126316 | GEO

Single cell RNA_Seq in aging of hematopoietic stem and progenitor cells

Project description:Here, we use single-cell RNA-Seq to examine variation between individual hematopoietic stem and progenitor cells from two mouse strains (C57BL/6 and DBA/2) as they age. We prepared libraries from long-term (LT-HSCs) (LSK CD150+CD48-), short-term hematopoietic stem cells (ST-HSCs) (LSK CD150-CD48-) and multipotent progenitors (MPPs) (LSK CD150+CD48+) from young (2-3 months) and old mice (22 months for C57BL/6 and 20 months for DBA/2). Population controls for each cell type and age were isolated by sorting processed in parallel.

2015-09-30 | GSE59114 | GEO

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

Project description:Bone marrow Hdc-GFPhi and Hdc-GFPlo HSPC (SLAM-LSK, Lin-c-kit+Sca-1+CD150+CD48-) HSCs were isolated from mouse femur and tibia from histidine decarboxylase (Hdc) green fluorescent protein (Hdc-GFP) mice. Hdc-GFPhi HSC and Hdc-GFPlo HSC cells were sorted by combinations of GFP and the cell surface markers of HSC. total RNA was isolated from sorted 2,500 HSPCs using ARCTURUS PicoPure RNA isolation kit (Life Technologies). cDNA was amplified and libraries were constructed by using SMARTer Ultra Low Input RNA kit (Clontech Laboratories) and Nextera XT DNA Library Preparation kit (Illumina) according to manufacturer’s instructions respectively. Sequencing was performed on the Illumina HiSeq2000 platform.

2019-11-20 | GSE90787 | GEO

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