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Anti YTHDF2 RIP-seq to identify YTHDF2 target mRNAs in P0 mouse retinas

ABSTRACT: 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.

ORGANISM(S): Mus musculus

PROVIDER: GSE145390 | GEO | 2022/03/15

REPOSITORIES: GEO

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Anti-YTHDF1 and anti-YTHDF2 RIP-Seq to identify the target mRNAs for YTHDF1 and YTHDF2, respectively

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MeRIP, RIP and RNA Sequencing of the H1299 stable cell lines which the endogenous YTHDF2 was silenced by a short hairpin RNA targeting YTHDF2 3’UTR (shYTHDF2) and then re-expressed Flag-tagged YTHDF2-WT orYTHDF2-K571R

Project description:SUMOylation affects many aspects of target proteins such as activity, stability, localization and protein-protein interactions. We have found that SUMOylation of YTHDF2 increased its binding activity with m6A-RNAs by using different experimental approaches. To confiremd this conclusion,the analysis of RIP-seq, MeRIP-seq and RNA-seq in H1299-shYTHDF2 cells re-expressing YTHDF2-WT and YTHDF2-K571R was performed. MeRIP+RIP targets showed lower binding affinities in the mutant YTHDF2-K571R when compared with YTHDF2-WT. Compared to the control group, the binding capacities of YTHDF2 to RIP targets in treated group with either 2-D08 or GA were decreased, especially to MeRIP+RIP targets. Moreover, SUMOylated YTHDF2 promoted m6A-RNAs degradation. Combined analysis of RNA-seq, RIP-seq and MeRIP-seq showed that the mRNA levels were up-regulated in shYTHDF2 stable cells re-expressing YTHDF2-K571R compared with those in re-expressing YTHDF2-WT.

2021-01-26 | GSE164917 | GEO

Anti YTHDF2 RIP-seq to identify YTHDF2 target mRNAs in P0 mouse retinas

Project description:Anti YTHDF2 RIP-seq to identify YTHDF2 target mRNAs in P0 mouse retinas

| PRJNA607064 | ENA

Anti-YTHDF1 and anti-YTHDF2 RIP-Seq to identify the target mRNAs for YTHDF1 and YTHDF2, respectively

Project description:Anti-YTHDF1 and anti-YTHDF2 RIP-Seq to identify the target mRNAs for YTHDF1 and YTHDF2, respectively

| PRJNA643706 | ENA

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.

2018-02-12 | E-MTAB-5576 | biostudies-arrayexpress

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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