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Foetal-specific contributors to infant MLL-AF4-driven Acute Lymphoblastic Leukaemia

ABSTRACT: As MLL-rearranged infant leukaemia is known to initiate in utero, we sought to identify developemntal genes expressed in foetal cells that may aid leukaemogenesis. Bulk RNA-Seq was therefore carried out on mouse and human foetal liver blood progenitors (lymphoid-primed multipotent progenitors [LMPPs] and haematopoietic stem cells/ multipotent progenitor cells [HSC/MPPs]) and compared with the same cell types isolated from developmentally later human cord blood and mouse adult bone marrow.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE167234 | GEO | 2021/10/07

REPOSITORIES: GEO

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ATAC-Seq of foetal blood progenitors

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Foetal-specific contributors to infant MLL-AF4-driven Acute Lymphoblastic Leukaemia

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Project description:Global Expression profiling of mutant mouse multipotent progenitors was performed. In order to mitigate the impact of the studied driver mutations on cell surface phenotypes, we performed transcriptome analysis on a homogeneous population of purified lineage negative, Sca-1/Kit positive multipotent progenitor cells (MPPs, cell surface profile: Lin-/CD34+/Flt3+/CD48+/CD150-). Aprroximately 1000 multipotent progenitors were isolated from wild type or mutant Npm1cA/+, NrasG12D, Npm1cA/+;NrasG12D, Flt3ITD/+ and Npm1cA/+;Flt3ITD/+ murine bone marrow cells. Total RNA extracted and mRNA amplified using

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