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CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [5C]

ABSTRACT: CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [5C]

PROVIDER: PRJNA431991 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6519261_1.fastq.gz	Fastqsanger.gz
	SRR6519261_2.fastq.gz	Fastqsanger.gz
	SRR6519262_1.fastq.gz	Fastqsanger.gz
	SRR6519262_2.fastq.gz	Fastqsanger.gz
	SRR6519263_1.fastq.gz	Fastqsanger.gz

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CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [5C]

Project description:We demonstrate that CBFb-SMMHCmaintains leukemia viability by inhibiting RUNX1 repression of MYC expression. Upon pharmacologic inhibition of CBF-SMMHC/RUNX1 binding, RUNX1 increases its association with three MYC distal downstream enhancers and represses MYC expression.

2018-05-02 | GSE109764 | GEO

CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia

Project description:CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia

| PRJNA395514 | ENA

Accelerated leukemogenesis by truncated CBFb-SMMHC defective in high-affinity binding with RUNX1

Project description:Dominant RUNX1 inhibition has been proposed as a common pathway for CBF-leukemia. CBFb-SMMHC, a fusion protein in human acute myeloid leukemia (AML), dominantly inhibits RUNX1 largely through its RUNX1 high-affinity binding domain (HABD). We generated knock-in mice expressing CBFb-SMMHC with a HABD deletion, CBFb-SMMHCd179-221. These mice developed leukemia highly efficiently, even though hematopoietic defects associated with Runx1-inhibition were partially rescued. To identify changes in gene expression with the deletion of the HABD, we compared the gene expression profile in leukemia samples from mice expressing CBFb-SMMHCd179-221 with those from mice expressing full length CBFb-SMMHC. Spleen cells were isolated from leukemic knock-in mice with full length CBFb-SMMHC at 2 months after ENU treatment and 2 leukemic CBFb-SMMHCd179-221 expressing chimeric mice at 3 weeks after birth. For each genotype, we performed two independent experiments with 4 Affymetrix GeneChip 430 chips.

2011-03-29 | E-GEOD-21155 | biostudies-arrayexpress

Accelerated leukemogenesis by truncated CBFb-SMMHC defective in high-affinity binding with RUNX1

2011-03-29 | GSE21155 | GEO

CHD7 deficiency delays leukemogenesis in mice induced by CBFB-MYH11

Project description:CHD7 interacts with CBFb-SMMHC through RUNX1 and modulates their gene expression regulation and is important for CBFB-MYH11 leukemogenesis in the mouse model.

2018-08-08 | GSE102388 | GEO

CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [RNA-seq]

Project description:We recently reported the discovery of a small molecule inhibitor, AI-10-49 which can specially inhibit the protein-protein interaction between RUNX1 tumor suppressor and CBFβ-SMMHC oncogene. We also demonstrated that AI-10-49 can re-establish the RUNX1 transcriptional program in inv(16) cells and can extend the survival of inv(16) leukemic mice. To identify the transcriptional changes associated with AI-10-49, we performed RNA-seq analysis in ME-1 cells [human inv(16) leukemia cell line] treated with AI-10-49.

2018-05-02 | GSE101788 | GEO

CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [ATAC-seq]

Project description:We recently reported the discovery of a small molecule inhibitor, AI-10-49 which can specially inhibit the protein-protein interaction between RUNX1 tumor suppressor and CBFβ-SMMHC oncogene. We also demonstrated that AI-10-49 can re-establish the RUNX1 transcriptional program in inv(16) cells and can extend the survival of inv(16) leukemic mice. To identify the changes in chromatin accessibility associated with AI-10-49, we performed ATAC-seq analysis in ME-1 cells [human inv(16) leukemia cell line] treated with AI-10-49.

2018-05-02 | GSE101790 | GEO

CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [ChIP-seq]

Project description:We recently reported the discovery of a small molecule inhibitor, AI-10-49 which can specially inhibit the protein-protein interaction between RUNX1 tumor suppressor and CBFβ-SMMHC oncogene. We also demonstrated that AI-10-49 can re-establish the RUNX1 transcriptional program in inv(16) cells and can extend the survival of inv(16) leukemic mice. To identify the epigenetic changes as well as RUNX1 binding associated with AI-10-49, we performed genome wide analysis of H3K27ac histone mark as well as RUNX1 bindings in ME-1 cells [human inv(16) leukemia cell line] treated with AI-10-49.

2018-05-02 | GSE101789 | GEO

The C-terminal multimerization domain is essential for leukemia development by CBFβ-SMMHC

Project description:The recurrent chromosome 16 inversion in acute myeloid leukemia generates a fusion gene between CBFB and MYH11, which in turn encodes a chimeric protein CBFβ-SMMHC (core binding factor β-smooth muscle myosin heavy chain). We previously demonstrated that CBFβ-SMMHC needs its C terminal domains for leukemogenesis. In this study, we generated a new Cbfb-MYH11 knock-in mouse model to dissect the role of the multimerization domain at the C terminus of CBFβ-SMMHC. Specifically, we mutated six amino acids in the helices D and E (mDE) of the assembly competent domain, which is important for SMMHC multimerization. We found that the embryos with the mDE mutation (Cbfb+/mDE) did not develop hematopoietic defects seen in embryos with full-length CBFβ-SMMHC (Cbfb+/MYH11). More importantly leukemia development was abolished in the adult Cbfb+/mDE mice even after mutagenesis treatment. In addition, gene expression profile of the hematopoietic cells from the Cbfb+/mDE mice was more similar to that of Cbfb+/+ mice than the Cbfb+/MYH11 mice. Our data suggest that the C terminal multimerization domain is required for the defects in primitive and definitive hematopoiesis caused by CBFβ-SMMHC, and it is also essential for leukemogenesis caused by CBFβ-SMMHC.

2018-06-15 | GSE100061 | GEO

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Project description:CBFb-SMMHC inhibition triggers apoptosis by disrupting MYC chromatin dynamics in acute myeloid leukemia [ATAC-seq]

| PRJNA395542 | ENA