Unknown,Transcriptomics,Genomics,Proteomics

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The ubiquitin ligase HUWE1 regulates hematopoietic stem cell maintenance and lymphoid commitment [microarray]


ABSTRACT: We identified the ubiquitin ligase Huwe1 as a crucial regulator of hematopoietic stem cell (HSC) functions. We generated Huwe1 conditional knock-out mice and discovered that the loss of this ligase causes an increased proliferation and stem cell exhaustion, together with a decreased lymphoid specification in vivo. We observed that the ubiquitin ligase Huwe1 is controlling the expression of N-myc at the level of the most immature stem and progenitor hematopoietic populations, mediating the described effects. Hematopoietic stem cells (HSC) from the bone marrow of transgenic animals carrying a N-myc/mCherry fusion gene were sorted according to N-myc expression (defined by mCherry) into N-myc high and low subpopulations. Each of these 2 populations was subjected to microarray gene expression profiling.

ORGANISM(S): Mus musculus

SUBMITTER: Bryan King 

PROVIDER: E-GEOD-85832 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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