YTHDF2 accelerates brain aging process via trapping mitochondrial morphology associated genes
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA976294 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24738441_1.fastq.gz | Fastqsanger.gz | |||
| SRR24738441_2.fastq.gz | Fastqsanger.gz | |||
| SRR24738442_1.fastq.gz | Fastqsanger.gz | |||
| SRR24738442_2.fastq.gz | Fastqsanger.gz | |||
| SRR24738443_1.fastq.gz | Fastqsanger.gz |
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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
Project description:To identify the target mRNAs of the m6A reader protein YTHDF2 in mouse hippocampus, we carired out anti YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from P40 wild type mouse hippocampus was pulled down by rabbit polyclonal anti-YTHDF2 (proteintech) and then sequenced on Illumina Novaseq 6000. The filtered reads were aligned to the mouse reference genome (GRCm38) using BWA mem (v 0.7.12).Then the MACS2 (version 2.1.0) peak calling software was used to identify regions of IP enrichment over background, followed by the motif detected by Homer (Heinz et al., 2010). Peak related genes are then confirmed by PeakAnnotator. Different peak analysis was based on the fold enrichment of peaks of different experiments. A peak was determined as different peak when the odds ratio between two groups was more than 2. Using the same method, genes associated with different peaks were identified. Finally, Biological replicates of anti-YTHDF2 RIP-Seq identified 408 mRNAs transcripts. This study provides gene lists which shows mRNA binding with YTHDF2 in mouse hippocampus.
2023-01-19 | GSE171791 | GEO
Project description:Glioblastoma is a universally lethal cancer driven by glioblastoma stem cells (GSCs). Here, we interrogated N6-methyladenosine (m6A) mRNA modifications in GSCs by methyl RNA-immunoprecipitation followed by sequencing (meRIP-seq) and transcriptome analysis, finding transcripts marked by m6A often upregulated. Interrogating m6A regulators, GSCs displayed preferential expression as well as in vitro and in vivo dependency of the m6A reader, YTHDF2, in contrast to normal neural stem cells (NSCs). While YTHDF2 has been reported to destabilize mRNAs, YTHDF2 stabilized the oncogene transcripts, MYC and VEGFA, in GSCs in an m6A-dependent manner. We identified IGFBP3 as a downstream effector of the YTHDF2-MYC axis in GSCs and IGF1/IGF1R inhibitor, Linsitinib, as preferentially targeting YTHDF2-expressing cells, inhibiting the viability of GSCs without affecting NSCs and impairing in vivo glioblastoma growth. Thus, YTHDF2 links RNA epitranscriptomic modifications and GSC growth, laying the foundation for the YTHDF2-MYC-IGFBP3 axis as a specific and novel therapeutic target in glioblastoma.
2020-09-29 | GSE158020 | GEO
Project description:To identify the target mRNAs of the m6A reader protein YTHDF2, we carired out anti YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from P0 wild type mouse retinas was pulled down by rabbit polyclonal anti-YTHDF2 (proteintech) and then sequenced on Illumina HiSeq3000 platform. The filtered reads were mapped to the mouse reference genome (GRCm38) using STAR v2.5 with default parameters. The resulting bam files were fed to HTSeq tool to count the number of RNA-seq reads, which was further normalized to calculate FPKM. To determine which gene is enriched, we computed the FPKM from RIP elute to input and any fold change greater than 2 was considered enriched. Finally, Biological replicates of anti-YTHDF2 RIP-Seq identified 1639 transcripts. This study provides a gene list which shows mRNA binding with YTHDF2 in mouse retina.
2022-03-15 | GSE145390 | GEO
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
Project description:The mRNA m6A reader YTHDF2 is overexpressed in a broad spectrum of human acute myeloid leukemias (AML). To study the role of YTHDF2 on mRNA decay rates in leukemia, c-Kit+ cells from foetal livers of Ythdf2fl/fl; Vav-iCre (Ythdf2CKO) and Ythdf2fl/fl (Ythdf2CTL) 14.5 dpc embryos were transduced with Meis1 and Hoxa9 oncogenes and serially re-plated to generate pre-leukemic cells. Medium with 4SU was used for pre-leukemic cells labelling for 12 hours and was later replaced with 4SU-free medium (time 0). Cells were collected immediately after medium change and at 1, 3 and 9 hours for library generation. RNA from Ythdf2CKO (n=3 biological replicates) and Ythdf2CTL (n=3 biological replicates) pre-leukemic cells were used for SLAM-seq library generation.
2019-04-05 | E-MTAB-7784 | biostudies-arrayexpress