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RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [m6A-seq]

ABSTRACT: RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [m6A-seq]

PROVIDER: PRJNA1013025 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19178655.fastq.gz	Fastqsanger.gz
	SRR19178656.fastq.gz	Fastqsanger.gz
	SRR19178657.fastq.gz	Fastqsanger.gz
	SRR19178658.fastq.gz	Fastqsanger.gz
	SRR19178659.fastq.gz	Fastqsanger.gz

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RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [m6A-seq]

Project description:Head and neck squamous cell carcinoma (HNSC) is one of the most common malignant cancers worldwide. However, it is always detected at an advanced stage because of a lack of biomarkers for early diagnosis. Here, we identify the RNA binding motif protein 33 (RBM33) is commonly up-regulated in HNSC and it is essential for tumorigenesis. Mechanistically, RBM33 is an m6A reader protein and forms a complex with ALKBH5. RBM33 plays crucial roles in ALKBH5-mediated mRNA m6A demethylation not only by recruitment ALKBH5 to substrate but also activation its demethylase activity through inhibition it’s SUMOylation. Moreover, global transcriptomic and epitranscriptomic analyses identify that DDIT4 is a functional downstream target gene for RBM33 in HNSC and RBM33-mediated HNSC tumorigenesis by inhibition the mTOR pathway through the inhibition of m6A-dependent DDIT4 mRNA decay. Taken together, our study uncovers a novel molecular mechanism that RBM33/ALKBH5/m6A/DDIT4/mTOR axis regulates HNSC progression through the inhibition of mTOR pathway and targeting RBM33 may be a promising strategy for HNSC treatment.

2023-09-05 | GSE242276 | GEO

RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [PAR-CLIP]

2023-09-05 | GSE242283 | GEO

RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [RIP-seq]

2023-09-05 | GSE242281 | GEO

Human RBM33_HNSC_LC-MS/MS in project "RBM33 Acts as an m6A Reader Required for ALKBH5-mediated m6A Demethylation"

Project description:To identify the potential RBM33 interaction proteins, we established UM-SCC-1 cells stably expressing pCDH-Strep-Vec, or Strep-RBM33. After strep-tactin beads enrichment of RBM33 and its ascociated proteins, all the pull-downed proteins are subjected to LC-MS/MS analysis.

2023-05-30 | PXD033861 | Pride

RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis

Project description:RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis

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RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [PAR-CLIP]

Project description:RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [PAR-CLIP]

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RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [RIP-seq]

Project description:RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis [RIP-seq]

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Structural basis of YTH domain as m6A reader

Project description:The N6-methyladenosine (m6A) is the most abundant internal modification in almost all eukaryotic messenger RNAs, and is dynamically regulated. Therefore, identification of m6A readers is especially important in determining the cellular function of m6A. YTHDF2 has recently been characterized as the first m6A reader that regulates the cytoplasmic stability of methylated RNA. Here we show that YTHDC1 is a nuclear m6A reader and report the crystal structure of the YTH domain of YTHDC1 bound to m6A-containing RNA. We further determined the structure of another YTH domain, YTHDF1, and found that the YTH domain utilizes a conserved aromatic cage to specifically recognize the methyl group of m6A. Our structural characterizations of the YTHDC1-m6A RNA complex also shed light on the molecular basis for the preferential binding of the GG(m6A)C sequence by YTHDC1 and confirm the YTH domain as a specific m6A RNA reader. PAR-CLIP (Photoactivatable-Ribonucleoside-Enhanced Crosslinking and Immunoprecipitation) was applied to human YTHDC1 protein to identify its binding sites.

2014-09-18 | E-GEOD-58352 | biostudies-arrayexpress

ALKBH5 is a New Mammalian RNA Demethylase

Project description:N6-methyladenosine (m6A) is the most prevalent internal modification of messenger RNA (mRNA) in higher eukaryotes. Here we report ALKBH5 as a new mammalian demethylase that oxidatively removes the m6A modification in mRNA in vitro and inside cells. This demethylation activity of ALKBH5 significantly affects mRNA export and RNA metabolism as well as the assembly of mRNA processing factors in nuclear speckles. Alkbh5-deficient male mice are characterized by impaired fertility resulting from apoptosis that affects meiotic metaphase-stage spermatocytes. In accordance with this defect, we have identified in mouse testes 1552 differentially expressed genes which cover broad functional categories and include spermatogenesis-related mRNAs involved in the p53 functional interaction network. We show that Alkbh5-deficiency impacts the expression levels of some of these mRNAs, supporting the observed phenotype. The discovery of this new RNA demethylase strongly suggests that the reversible m6A modification plays fundamental and broad functions in mammalian cells. RNA-seq in two cell types

2013-02-15 | E-GEOD-40132 | biostudies-arrayexpress

RBM33 Acts as an m6A Reader Essential for ALKBH5-mediated m6A Demethylation and Head and Neck Squamous Carcinoma Tumorigenesis

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

2023-06-01 | GSE202878 | GEO