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Transcriptomic analysis of the early effects of sex steroid ablation on BM LT-HSCs 2 days post surgery.

ABSTRACT: Analysis of gene-expression alterations in primitive LT-HSCs as early as 2 days post sex steroid ablation. This study aimed to determine potential intrinsic changes occuring in the LT-HSC population associated with sex steroid ablation (SSA) at a timepoint that preceeded the earliest reported functional hematopoietic enhancements occuring at day 7 post SSA. These results are vital in providing insight into the role of LT-HSCs in initiating SSA-mediated immune regeneration.

ORGANISM(S): Mus musculus

PROVIDER: GSE64841 | GEO | 2015/03/01

SECONDARY ACCESSION(S): PRJNA272147

REPOSITORIES: GEO

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Transcriptomic analysis of the early effects of sex steroid ablation on BM LT-HSCs 2 days post surgery.

Project description:Analysis of gene-expression alterations in primitive LT-HSCs as early as 2 days post sex steroid ablation. This study aimed to determine potential intrinsic changes occuring in the LT-HSC population associated with sex steroid ablation (SSA) at a timepoint that preceeded the earliest reported functional hematopoietic enhancements occuring at day 7 post SSA. These results are vital in providing insight into the role of LT-HSCs in initiating SSA-mediated immune regeneration. Total RNA obtained from BM-sorted LT-HSC 2 days after sex steroid ablation compared to sham sex steroid ablation controls.

2015-03-01 | E-GEOD-64841 | biostudies-arrayexpress

Differentially regulated genes in control and c-myc N-myc deficient LT-HSCs

Project description:Analysis of HSCs from control and c-myc N-myc deficient long-term hematopoietic stem cells. HSCs lacking both c-myc and N-myc display increased apoptosis rates. Data provide insight into the molecular changes occuring upon complete loss of Myc activity, clarifying the resulting apoptotic mechanism and the role of Myc family proteins in HSCs. LT-HSC (Lin-Sca1+CD150+CD48-) cells were sorted from the BM of MxCre c-myc flox2 N-myc flox2 (experimental) and c-myc flox2 N-myc flox2 (control) mice 3 days after the last pI-pC injection. Each condition was analysed in triplicates, with each replicate consisting of a pool of 3 dKO mice or 2 control mice.

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Gene expression profiling of LT-HSCs and ST-HSCs conditionally expressing MLL-ENL

Project description:We have developed a new conditional transgenic mouse showing that MLL-ENL, at an endogenous-like expression level, induces leukemic transformation selectively in LT-HSCs. To investigate the molecular mechanism of leukemic transformation in LT-HSCs conditionally expressing MLL-ENL, we preliminarily performed comprehensive gene expression profiling of CreER-transduced LT-HSCs and ST-HSCs using cDNA microarray analysis. For initial screening of candidate genes invloved in the leukemic transformation, total RNA was extracted from colony-forming cells derived from LT-HSCs and ST-HSCs transduced with CreER or mock. Four samples were analyzed, and CreER-transduced LT/ST-HSC-derived cells were compared with mock-transduced LT/ST-HSC-derived cells, while CreER/mock-transduced LT-HSC-derived cells were compared with CreER/mock-transduced ST-HSC-derived cells.

2013-07-17 | E-GEOD-48539 | biostudies-arrayexpress

Gene expression profiling of LT-HSCs and ST-HSCs conditionally expressing MLL-ENL

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Mus musculus

Project description:Transcriptomic analysis of the early effects of sex steroid ablation on BM LT-HSCs 2 days post surgery.

| PRJNA272147 | ENA

Expression analysis of WASH knockout LT-HSC cells

Project description:Investigation of whole genome gene expression level changes in WASH knockout LT-HSCs, compared to the WASH WT strain. To find the reason that causes LT-HSC abnormal.

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Methylomes of young and aged LT-HSCs

Project description:We performed tagmentation-based whole-genome bisulfite sequencing on young and aged LT-HSCs.

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Loss of Phf6 prevents aging associated transcriptomic profile changes in LT-HSCs

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Ex vivo cultured mouse LT-HSCs RNA-seq

Project description:Mouse LT-HSCs were co-cultured with polymer nanospheres for ex vivo expansion

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circular RNA profiling of LT-HSCs and MPPs

Project description:Investigation of circular RNAs that have a higher expression level in LT-HSCs

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