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RNA-sequencing to investigate transcriptional changes caused by ZNF384 fusion proteins in murine pre-B cells

ABSTRACT: RNA-sequencing to investigate transcriptional changes caused by ZNF384 fusion proteins in murine pre-B cells

PROVIDER: PRJNA448177 | ENA |

REPOSITORIES: ENA

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RNA-sequencing to investigate transcriptional changes caused by ZNF384 fusion proteins in murine pre-B cells

Project description:RNA-sequencing was performed on Arf-/- pre-B cell expressing either wild-type ZNF384, TAF15-ZNF384, or TCF3-ZNF384. We found that pre-B cells that express ZNF384 fusion proteins have a gene expression profile similar to patients with ZNF384-rearranged leukemia.

2018-10-18 | GSE112558 | GEO

ChIP-sequencing to investigate occupancy of wild-type and fusion ZNF384 proteins in murine pre-B cells

Project description:We report the changes in chromatin occupancy between HA-tagged wild-type ZNF384 and the two leukemogenic fusion proteins, TAF15-ZNF384, and TCF3-ZNF384, in Arf-/- pre-B cells. Using ChIP-sequencing we found that 2298 peaks have new or increased binding while 495 peaks have decreased or lost binding of the fusion proteins compared to wild-type ZNF384.

2018-10-18 | GSE112560 | GEO

ChIP-sequencing to investigate occupancy of wild-type and fusion ZNF384 proteins in murine pre-B cells

Project description:ChIP-sequencing to investigate occupancy of wild-type and fusion ZNF384 proteins in murine pre-B cells

| PRJNA448180 | ENA

iCLIP of GFP fusion proteins

Project description:iCLIP of GFP fusion proteins

| PRJEB12353 | ENA

Changes in gene expression over time in cells expressing t(4;11) fusion proteins

Project description:We have used a constitutive MLL-AF4 fusion gene together with a inducible AF4-MLL fusion gene to investigate the power of theses fusion proteins. All transgenes were stably or transiently transfected.

2021-06-19 | GSE178465 | GEO

Changes in chromatin accessibility over time in cells expressing t(4;11) fusion proteins [I]

2021-06-22 | GSE178567 | GEO

Nuclear Condensation of NUP98-Fusion Proteins drives leukemogenic gene expression

Project description:NUP98-fusion proteins cause acute myeloid leukemia via unknown molecular mechanisms. All NUP98-fusion proteins share an intrinsically disordered region (IDR) featuring >35 repeats of Phenylalanine-Glycine (FG) in the NUP98 N-terminus. Conversely, different C-terminal NUP98-fusion partners are often transcriptional and epigenetic regulators. Given these structural features we hypothesized that mechanisms of oncogenic transformation by NUP98-fusion proteins are hard-wired in their protein interactomes. Affinity purification coupled to mass spectrometry of five distinct NUP98-fusion proteins revealed a conserved set of interactors that was highly enriched for proteins involved in biomolecular condensation. We developed biotinylated isoxazole-mediated condensome mass spectrometry (biCon-MS) to show that NUP98-fusion proteins alter the global composition of biomolecular condensates. In addition, an artificial FG-repeat containing fusion protein was able to phenocopy the induction of leukemic gene expression as mediated by NUP98-KDM5A. Thus, we propose that IDR-containing fusion proteins have evolved to uniquely combine biomolecular condensation with gene control to induce cancer.

2021-02-16 | GSE159037 | GEO

Menin-MLL inhibitors block oncogenic transformation by MLL fusion proteins in a fusion partner independent manner

Project description:Chromosomal rearrangements of the Mixed Lineage Leukemia (MLL) gene result in fusion proteins which retain the N-terminal portion of MLL fused with one of more than 70 different fusion partners. The high diversity of MLL fusion partners raises a question whether it is possible to develop a general therapeutic strategy to block the oncogenic activity of MLL fusion proteins in a fusion partner independent manner. We have demonstrated that blocking the menin-MLL interaction using small molecule inhibitor inhibits oncogenic activity of different MLL fusion proteins according to a mechanism that is independent on the fusion partner.

2018-06-09 | GSE69740 | GEO

iCLIP of GFP fusion proteins

Project description:HeLa cells were cultured in DMEM, supplemented with 10% (v/v) FCS and penicillin/streptomycin under 5% CO2 at 37C. For iCLIP, HeLa cells expressing GFP fusion proteins were induced with doxycycline to adjust the level of recombinant protein to the level of the endogenous counterpart and irradiated with 150 mJ/cm2 UV light (254 nm). The iCLIP cDNA libraries were sequenced with 50 bp on an Illumina HiSeq 2000 instrument. RNASeq was performed as a control with 50 bp paired-end on an Illumina HiSeq 2000 instrument.

2016-07-28 | E-MTAB-4215 | biostudies-arrayexpress

Phase separation of YAP fusion proteins drives supratentorial ependymoma I

Project description:HIPPO-YAP/TAZ signaling has been implicated in supratentorial ependymoma formation from neural progenitor cells (NPC) in the brain, however, the underlying mechanisms to trigger the neural progenitor cell transformation remains elusive. Here, we uncover that patient-derived tumorigenic YAP-fusion proteins (YAP-MAMLD1 and C11ORF95-YAP) promote ependymoma tumorigenesis through forming liquid-liquid phase-separated condensates. Intrinsically disordered regions (IDR) in the fusion proteins promote oligomerization of YAP-transcriptional co-activators and self-assembly of nuclear puncta-like membrane-less organelles. Phase separation of YAP-fusion proteins further facilitates the compartmentalization of transcriptional coactivators, BRD4 and MED1, resulting in pervasive enhancer landscape changes and exclusion of transcriptional repressors such as PRC2 complexes. YAP-fusion proteins-induced nuclear puncta recruit RNA polymerase II to promote transcriptional bursting of multiple oncogenic pathways. Moreover, we show that IDR-mediated phase separation is necessary for YAP-fusion protein-induced tumor formation. Distinct YAP fusion-proteins identified in other human tumors also encompass IDR features. Together, our data suggest that IDR-mediated phase separation is an integral component of YAP-fusion protein-induced tumorigenesis and might serve as a therapeutic target in supratentorial ependymoma.

2022-10-27 | GSE181867 | GEO

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