Genomics

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Genome-wide maps of chromatin state in bone marrow cells


ABSTRACT: GFI1 is a transcription factor and was implicated in the development of MDS. Reduced expression of GFI1 or presence of the GFI1-36N variant leads to epigenetic changes. Using GFI1-36S, -36N -KD, NUP98-HOXD13-tg mice and curcumin (a natural histone acetyltransferase inhibitor (HATi)), we now demonstrate that expansion of GFI1-36N or –KD, NUP98-HODXD13 leukemic cells can be delayed. Curcumin treatment significantly reduced AML progression in GFI1-36N or -KD mice and prolonged AML-free survival. Of note, curcumin treatment had no effect in GFI1-36S, NUP98-HODXD13 expressing mice. On a molecular level, curcumin treatment negatively affected open chromatin structure in the GFI1-36N or -KD haematopoietic cells but not GFI1-36S cells. Taken together, our study thus identified a therapeutic role for curcumin treatment in the treatment of AML patients (homo or heterozygous for GFI1-36N or reduced GFI1 expression) and possibly improved therapy outcome.

ORGANISM(S): Mus musculus

PROVIDER: GSE190974 | GEO | 2022/01/01

REPOSITORIES: GEO

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