Unknown,Transcriptomics,Genomics,Proteomics

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The role of Gaq in MLL leukemogenesis


ABSTRACT: Beta-catenin has a central role for self-renewal of leukemic stem cells in Mixed Lineage Leukemia (MLL)-arranged acute myeloid leukemia (AML), however its upstream modulators that can enhance this pathway remain largely unexplored. Through genome-wide gene expression analysis, we identified a previously unknown role for the G protein Gaq in MLL-arranged AML. Inhibition of Gaq reduces the level of active beta-catenin expression and impairs the maintenance of MLL-rearranged AML. Our microarray analysis uncovers a novel functional role for Gaq in leukemia maintenance. GFP-positive leukemic cells flow-sorted by BD Influx™ cell sorter from bone marrow of the primary AML mice induced by MLL-AF9 oncogene were lentivirally transduced with Gaq shRNA (TRCN0000295412, Sigma) or Scrambled control (SHC016, Sigma), and replated in methylcellulose supplemented with IL3. Each group contains triplicate samples.

ORGANISM(S): Mus musculus

SUBMITTER: Jenny Wang 

PROVIDER: E-MTAB-4078 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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