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Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting.

ABSTRACT: Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting.

PROVIDER: PRJNA956877 | ENA |

REPOSITORIES: ENA

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	SRR24203196.fastq.gz	Fastqsanger.gz

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Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting

Project description:Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting

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Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting

Project description:Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting

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Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting

Project description:PHF6 mutations (PHF6MT) are identified in various myeloid neoplasms (MN). However, little is known about the precise function and consequences of PHF6 in MN. Our comprehensive genomic analyses focused on three main findings. Firstly, we revealed a different pattern of genes correlating with PHF6MT in male and female cases. When analyzing male and female cases separately, in only male cases, RUNX1 and U2AF1 were co-mutated with PHF6. In contrast, female cases revealed co-occurrence of ASXL1 mutations and X-chromosome deletions with PHF6MT. Next, proteomics analysis revealed a direct interaction between PHF6 and the pioneer transcription factor RUNX1. Both proteins co-localize in active enhancer regions that define the context of lineage differentiation. Finally, we demonstrated a negative prognostic role of PHF6MT, especially in association with RUNX1. The negative effects on survival were additive as PHF6MT cases with RUNX1 mutations had worse outcomes when compared to cases carrying single mutation or wild-type.

2023-11-21 | PXD042441 | Pride

Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide clues as to their pathogenesis and therapeutic targeting.

2023-11-21 | GSE229948 | GEO

Molecular and clinical analyses of PHF6 mutant myeloid neoplasia provide their pathogenesis and therapeutic targeting.

Project description:PHF6 mutations (PHF6MT) are identified in various myeloid neoplasms (MN). However, little is known about the precise function and consequences of PHF6 in MN. Here we show three main findings in our comprehensive genomic and proteomic study. Firstly, we show a different pattern of genes correlating with PHF6MT in male and female cases. When analyzing male and female cases separately, in only male cases, RUNX1 and U2AF1 are co-mutated with PHF6. In contrast, female cases reveal co-occurrence of ASXL1 mutations and X-chromosome deletions with PHF6MT. Next, proteomics analysis reveals a direct interaction between PHF6 and RUNX1. Both proteins co-localize in active enhancer regions that define the context of lineage differentiation. Finally, we demonstrate a negative prognostic role of PHF6MT, especially in association with RUNX1. The negative effects on survival are additive as PHF6MT cases with RUNX1 mutations have worse outcomes when compared to cases carrying single mutation or wild-type.

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PHF6 OCCUPANCYIN HUMAN T-CELL ACUTE LYMPHOBLASTIC LEUKEMIA

Project description:Here we identify the genome-wide occupancy of PHF6 in T-ALL cells. Human T-ALL cells were cross-linked with formaldehyde for 20 min. DNA was enriched by chromatin immunoprecipitation (ChIP) and analyzed by Solexa sequencing. A sample of whole cell extract (WCE) was sequenced and used as the background to determine enrichment. ChIP was performed using an antibody against total PHF6 (Bethyl A301-451A). This represents the ChIP-seq portion of this dataset.

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RNA sequencing of isogenic Phf6 wild type and Phf6 knockout mouse T-ALL cells

Project description:Loss-of-function mutations Phf6 occur frequently in both adult and pediatric T-cell Acute Lymphoblastic Leukemia (T-ALL). Although Phf6 is widely expressed, little is known about its proposed function as epigenetic regulator and tumor suppressor. To address the role of Phf6 in the leukemia development, here we analyze by RNAseq the gene expression profiles of isogenic Phf6 wild type and Phf6 knockout leukemia cells transformed by overexpression of an oncogenic mutant form of the NOTCH1 receptor.

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HHIP protein interactions in lung cells provide insight into COPD pathogenesis

Project description:HHIP protein interactions in lung cells provide insight into COPD pathogenesis

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PHF6 knockdown in rat cortical neurons

Project description:E18 embryonic rat cortical neurons cultured in vitro are infected with lentivirus expressing control or PHF6shRNA-2, and harvested 5 days after infection pLL3.7 lentivirus expressing control or PHF6shRNA-2 was generated in 293T cells and concentrated using ultracentrifuge. In vitro cultured cortical neurons were infected and RNA was harvested 5 days after infection. PHF6 knockdown was validated by QPCR before sample was processed for microarray analysis.

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Transcriptomic changes in PHF6 knockout THP1 human AML cell line on rescue with PHF6 wildtype (with and without PHIP) or rescue with PHF6R274Q mutant

Project description:PHF6 is a transcriptional regulator mutated in 3-5% of acute myeloid leukemia. To understand the effect of loss and clinical mutation of PHF6 on the transcriptome of myeloid cells, we generated multiple wildtype and PHF6 knockout clones, as well as clones expressing the most common clinical mutant of the protein-PHF6R274Q. We observed that both single and double knockouts and mutation of PHF6 shifted the cells towards stemness and away from differentiation. Additionally we identified PHIP as a possible functional partner for PHF6. To investigate their common biological function, we generated multiple single knockout clones of PHIP as well as double knockout clones of PHIP and PHF6, and observed that, similar to single knockout of PHF6, PHIP knockout and double knockout also shifted cells towards stemness and away from differentiation. Collectively, our experiments show that PHF6 and PHIP, separately identified as being mutated in AML, exert similar downstream effects on the AML transcriptome.

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