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Effect of Ythdf2 in haematopoiesis

ABSTRACT: Effect of Ythdf2 in haematopoiesis

PROVIDER: PRJNA595576 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10691531.fastq.gz	Fastqsanger.gz
	SRR10691532.fastq.gz	Fastqsanger.gz
	SRR10691533.fastq.gz	Fastqsanger.gz
	SRR10691534.fastq.gz	Fastqsanger.gz
	SRR10691535.fastq.gz	Fastqsanger.gz

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Effect of Ythdf2 in haematopoiesis [RNA-seq]

Project description:Effect of Ythdf2 in haematopoiesis [RNA-seq]

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Effect of Ythdf2 in haematopoiesis [meRIP-seq]

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Effect of Ythdf2 in haematopoiesis [RNA-seq]

Project description:The mRNA m6A reader YTHDF2 is overexpressed in human acute myeloid leukaemias. To understand the role of YTHDF2 in normal haematopoiesis and ageing, we performed SMART-seq on haematopoietic stem cells (HSCs) derived from young and aged (1 year old) mice. In parallel, to identify transcripts likely methylated in HSCs we performed meRIP-seq analysis of c-Kit+ cells.

2020-10-29 | GSE142019 | GEO

Effect of Ythdf2 in haematopoiesis [meRIP-seq]

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Effect of Ythdf2 in haematopoiesis

Project description:This SuperSeries is composed of the SubSeries listed below.

2020-10-29 | GSE142021 | GEO

Microarray profiling of YTHDF2 deficient mouse oocytes

Project description:To study the role of the protein YTHDF2 during female gametogenesis, its gene was conditionally deleted in oocytes. Total RNA samples from YTHDF2 deficient GV and MII oocytes (and control oocytes) were subjected to array profiling.

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Microarray analysis of YTHDF2-deficient leukemic stem cells

Project description:YTHDF2 is overexpressed in a broad spectrum of human acute myeloid leukemias (AML). To study the role of YTHDF2 in leukemia, total RNA from Ythdf2CKO (n=4) and Ythdf2CTL (n=4) leukemic stem cells were used for Affymetrix global gene expression analysis.

2019-04-05 | E-MTAB-7782 | biostudies-arrayexpress

The tumor intrinsic role of the m6A reader YTHDF2 in regulating immune evasion [scRNA-seq]

Project description:Tumors evade attacks from the immune system through various mechanisms. Here, we identify a component of tumor immune evasion mediated by YTH domain-containing family protein 2 (YTHDF2), a reader protein that usually destabilizes m6A-modified mRNA. Loss of tumoral YTHDF2 inhibits tumor growth and prolongs survival in immunocompetent tumor models. Mechanistically, tumoral YTHDF2 deficiency promotes the recruitment of macrophages via CX3CL1 and enhances mitochondrial respiration of CD8+ T cells by impairing tumor glycolysis metabolism. Tumoral YTHDF2 deficiency promotes inflammatory macrophage polarization and antigen presentation in the presence of IFN-γ. In addition, IFN-γ induces autophagic degradation of tumoral YTHDF2, thereby sensitizing tumor cells to CD8+ T cell-mediated cytotoxicity. Last, we identified a small molecule compound that preferentially induces YTHDF2 degradation, which shows a potent antitumor effect alone but a better effect when combined with anti-PD-L1 or anti-PD-1 antibodies. Collectively, YTHDF2 appears to be a tumor-intrinsic regulator that orchestrates immune evasion, representing a promising target for enhancing cancer immunotherapy.

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The tumor intrinsic role of the m6A reader YTHDF2 in regulating immune evasion [RNA-seq]

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YTHDF2 Promotes Cardiac Ferroptosis via Degradation of SLC7A11 in Cardiac Ischemia–reperfusion Injury

Project description:Aims: Myocardial ischemia–reperfusion (I/R) injury severely facilitates cardiomyocyte death and endangers human health. RNA N6-methyladenosine (m6A) methylation modification plays a critical role in cardiovascular diseases. M6A reader YTHDF2 could identify m6a-modified RNA and promote target RNA degradation. Hence, we hypothesized that YTHDF2 impacts I/R injury by regulating RNA stability, in turn revealing the potential regulatory mechanism. Results: Both the mRNA and protein levels of YTHDF2 were upregulated in I/R mice and hypoxia-reoxygenation (H/R)-induced cardiomyocytes. Silencing endogenous YTHDF2 abrogated cardiac dysfunction and lowered infarct size in I/R mice, and forced expression of YTHDF2 aggravated the above-mentioned adverse pathological process. Consistently, the protective effect of silencing YTHDF2 reappeared in cardiomyocytes induced by H/R and erastin. Furthermore, RNA-seq and RIP revealed that YTHDF2 could recognize the m6A modification sites of ferroptosis-related gene SLC7A11 mRNA to promote its degradation both in vivo and in vitro. Inhibition of SLC7A11 also aggravated cardiac function, infarct size and the release of LDH in I/R mice after silencing YTHDF2. The advantageous effect of si-YTHDF2 in H/R injury was reversed by cotransfection with si-SLC7A11, which substantially exacerbated ferroptosis and the production of ROS. Innovation and Conclusion: All of the obtained data demonstrate that the cardioprotective effects of silencing YTHDF2 are accomplished by enhancing SLC7A11 stability and expression and reducing the level of ferroptosis, furnishing novel potential therapeutic targets for treating ischemic cardiac diseases.

2024-08-20 | GSE236721 | GEO

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