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Mus musculus

ABSTRACT: FTO regulates adult neurogenesis through modulating the dynamics of N6-methyladenosine

PROVIDER: PRJNA368849 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5204820.fastq.gz	Fastqsanger.gz
	SRR5204811.fastq.gz	Fastqsanger.gz
	SRR5204821.fastq.gz	Fastqsanger.gz
	SRR5204812.fastq.gz	Fastqsanger.gz
	SRR5204822.fastq.gz	Fastqsanger.gz

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FTO regulates adult neurogenesis through modulating the dynamics of N6-methyladenosine

Project description:Fat mass and obesity-associated gene (FTO) is a member of the Fe (II) and oxoglutarate-dependent AlkB oxygenase family, and has been linked to obesity and intellectual disability. However, the role of FTO in neurodevelopment and neurogenesis remains largely unknown. Here, we show that FTO is expressed in adult neural stem cells (aNSCs) and neurons, and displays dynamic expression during postnatal neurodevelopment. The loss of FTO leads to the decreased brain size and body weight. We found that FTO deficiency could reduce the proliferation and neuronal differentiation of aNSCs in vivo, which leads to the impaired learning and memory. Given the role of FTO as a demethylase of N6-methyladenosine (m6A), we further performed the genome-wide m6A profiling and observed the dynamic m6A modification during postnatal neurodevelopment. The loss of FTO could lead to the altered m6A modifications on the mRNAs of several key components of BDNF pathway. These results together suggest that FTO play important roles in neurogenesis and learning and memory.

2017-04-20 | GSE94098 | GEO

Mus musculus

Project description:Ten-Eleven Translocation 2 regulates adult neurogenesis through modulating 5mC oxidation dynamics at distinct regulatory elements

| PRJNA275651 | ENA

Knock down of FTO in cervical cancer cells

Project description:FTO, an N6-methyladenosine (m6A) demethylase, can promote cervical cancer cell proliferation and migration. RNA-sequencing of SiHa cells with FTO knockdown was conducted to dissect the differentially expressed genes and the potential mechanism of FTO in cervical cancer.

2020-02-13 | GSE133517 | GEO

YTHDF3 improves translation initiation of mRNAs with N6-methyladenosine methylation at 5’ untranslated region by facilitating eIF2AK2 recruitment in oxaliplatin-resistant colorectal cancer - RIP-seq dataset

Project description:Oxaliplatin as a first-line drug frequently causes the chemo-resistance on colorectal cancer (CRC). N6-methyladenosine (m6A) methylation has been largely acknowledged in multiple biological functions. However, the molecular mechanisms underlying the m6A methylation in modulating anticancer drug resistance in CRC are still obscure. In present study, RIP-seq was conducted to investigate the occupancy of N6-methyladenosine RNA binding protein 3 (YTHDF3) served as “readers” that can recognize m6A modification site in HCT116 cells with oxaliplatin resistance (HCT116R). Then, YTHDF3 was knockdown by siRNA in HCT116 cells with oxaliplatin resistance, and RIP-seq was further conducted to investigate m6A methylation of HCT116, HCT116R and HCT116R cells with YTHDF3 knockdown.

2022-02-04 | E-MTAB-11321 | biostudies-arrayexpress

FTO suppresses cardiac fibrosis after myocardial infarction via m6A-mediated epigenetic modification [MeRIP-seq]

Project description:Cardiac fibrosis is common in cardiovascular diseases. N6-methyladenosine (m6A) is one of the most common modifications in eukaryotic mRNAs. Previous research has suggested that m6A modification is vital in cardiovascular diseases. The underlying targets of FTO were selected through transcriptome sequencing (RNA-seq) combined with methylated RNA immunoprecipitation sequencing (MeRIP-seq). According to MeRIP-seq and RNA-seq, FTO inhibited collagen synthesis in CFs.

2024-03-03 | GSE259328 | GEO

FTO suppresses cardiac fibrosis after myocardial infarction via m6A-mediated epigenetic modification

2024-03-01 | GSE257546 | GEO

SFPQ is a FTO binding protein that assists specific m6A demethylation

Project description:We identified the major RNA binding protein-SFPQ as a direct interaction partner of FTO. Our study showed that FTO and SFPQ were located in close proximity throughout the transcriptome and overexpression of SFPQ led to the demethylation of adjacent N6-methyladenosine on RNA

2019-03-19 | GSE128443 | GEO

Differential m6A, m6Am, and m1A Demethylation Mediated by FTO in Cell Nucleus and Cytoplasm

Project description:FTO, the first RNA demethylase discovered, mediates the demethylation of N6-methyladenosine (m6A), installed internally on messenger RNA, and N6,2′-O-dimethyladenosine (m6Am), occurring at the +1 position from the 5’ cap. Despite extensive recent research on FTO, its physiological impact on cellular processes has yet to be fully elucidated. Here, we demonstrate that the cellular distribution of FTO is distinct among different cell lines, which critically affects the access of FTO to different RNA substrates. FTO binds multiple RNA substrates, including mRNA, U6 RNA, and tRNA. It mainly targets internal m6A when located in the cell nucleus and preferentially demethylates m6Am when residing in the cytoplasm. The expression levels of transcripts containing internal m6A are associated with the alteration of the FTO more so than transcripts containing m6Am. We also discover that N1-methyladenosine (m1A) in tRNA is a main substrate of FTO, with the FTO-catalyzed demethylation of target tRNAs repressing protein synthesis. Collectively, FTO-mediated RNA demethylation affects both mRNA level and translation through distinct pathways.

2018-09-14 | GSE106395 | GEO

Project description:NADPH Enhances FTO-mediated N6-methyladenosine Demethylation

| PRJNA512331 | ENA

mRNA-Seq of mouse Mettl3 cKO and Fto cKO hippocampus after fear conditioning

Project description:N6-Methyladenosine (m6A) and N6,2′-O-dimethyladenosine (m6Am) are abundant mRNA modifications that regulate transcript processing and translation. The role of both, here termed m6A/m, in the stress response in the adult brain in vivo are currently unknown. Here, we investigated the effect of gene deletion of Mettl3, a m6A methyltransferase, and Fto, a m6A and m6Am demethlyase, induced in adulthood in excitatory neurons of the CA1 and CA3 in the hippocampus (Nex-CreERT2 Mettl3 or Fto cKO) on the transcriptome of CA1 and CA3 as well as the transcriptomic response of the CA1 and CA3 transcriptome to fear conditioning.

2018-07-10 | GSE113796 | GEO

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