Unknown,Transcriptomics,Genomics,Proteomics

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Identification of Lgr4 targets in mixed lineaged leukemia-arranged AML


ABSTRACT: Inhibition of leucine-rich repeat-containing G protein-coupled receptor 4 (Lgr4) prevents the development of Mixed Lineage Leukemia (MLL)-arranged AML in mice and suppresses activation of Wnt/beta-catenin signaling. To identify key downstream targets of Lgr4, we performed genome-wide gene expression analysis. Our microarray analysis and subsequent in vivo studies demonstrate a novel functional role for growth arrest and DNA damage-inducible 45 (Gadd45a) in promoting in vivo self-renewal of leukemic stem cells in MLL-rearranged AML. GFP-positive leukemic cells flow-sorted by BD Influx cell sorter from bone marrow of primary AML mice induced by MLL-AF9 oncogene were lentivirally transduced with Lgr4 shRNA (MSH040504-3-LVRU6MP, GeneCopoeia) or Scrambled control (CSHCTR001-LVRU6MP, GeneCopoeia), and replated in methylcellulose supplemented with IL3. Each group contains triplicate samples.

ORGANISM(S): Mus musculus

SUBMITTER: Jenny Wang 

PROVIDER: E-MTAB-4773 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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