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ALKBH5 promotes tumor progression by decreasing RIG-I expression mediated by N6-methyladenosine-dependent HNRNPC binding in HNSCC [RNA-seq]

ABSTRACT: To determine the targets underlying ALKBH5 during head and neck squamouse cell carcinoma progression, Methylated RNA immunoprecipitation (MeRIP) with an m6A specific antibody followed by RNA sequencing (MeRIP-seq) and next generation sequencing were combined to screen the potential targets haboring m6A modificatios and mRNA level alteration after ALKBH5 knockdown in a HNSCC cell line.

ORGANISM(S): Homo sapiens

PROVIDER: GSE185886 | GEO | 2022/04/13

REPOSITORIES: GEO

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ALKBH5 promotes tumor progression by decreasing RIG-I expression mediated by N6-methyladenosine-dependent HNRNPC binding in HNSCC [MeRIP-seq]

Project description:To determine the targets underlying ALKBH5 during head and neck squamouse cell carcinoma progression, Methylated RNA immunoprecipitation (MeRIP) with an m6A specific antibody followed by RNA sequencing (MeRIP-seq) and next generation sequencing were combined to screen the potential targets haboring m6A modificatios and mRNA level alteration after ALKBH5 knockdown in a HNSCC cell line.

2022-04-13 | GSE185885 | GEO

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

Identification of ALKBH5 targets in osteosarcoma by methyl RNA immunoprecipitation [MeRIP-seq]

Project description:To identify potential target mRNAs that are demethylated by ALKBH5, meRIP-seq with a m6A antibody was conducted in 143B osteosarcoma cells transfected with scrambled or ALKBH5-siRNA.

2022-06-28 | GSE154529 | GEO

Genome-wide maps of m6a state in RA FLSs with or without ALKBH5 knockdown.

Project description:To investigate how ALKBH5 modulates RA FLSs functions, we conducted m6A sequencing (MeRIP-seq) of RA FLSs. Consistent with previous studies, in both scramble controls and ALKBH5 knockdown cells, m6A modifications were highly enriched within the GGAC motif. m6A peaks are located mainly in the protein-coding region (CDS) and 3’ untranslated region (3’ UTR) of mRNA transcripts

2023-12-31 | GSE203269 | GEO

Effect of knockout of ALKBH5 on gene expression and m6A modifications during IRI in mice

Project description:To identify the direct m6A demethylation targets of ALKBH5 at the onset of renal IRI, we performed methylated RNA immunoprecipitation sequencing (MeRIP-seq) and RNA sequencing (RNA-seq) using RNA isolated from IRI mouse kidney of WT and KO mice 24h after I/R (WT n=3 vs. KO n=3)

2023-02-05 | GSE224289 | GEO

ALKBH5 facilitates the progression of skin cutaneous melanoma through promoting ABCA1 demethylation and inhibiting autophagy in an m6A-dependent manner

Project description:Background: N6-methyladenosine (m6A) is the most common and abundant mRNA modification, playing an essential role in biological processes and tumor development. However, the role of m6A methylation in skin cutaneous melanoma (SKCM) is not yet clear. This study analyzed the expression of m6A-related functional genes in SKCM and aimed to explore the key demethylase ALKBH5 mediated m6A modification and its potential mechanism in human SKCM. Methods: Based on public databases, the m6A-related gene expression landscape in SKCM was portrayed. MeRIP-Seq and RNA-Seq were used to recognize the downstream target of ALKBH5. In vivo and in vitro functional phenotype and rescue functional experiments were performed to explore the mechanism of the ALKBH5-ABCA1 axis in SKCM. Results: We found ALKBH5 upregulated in SKCM, associated with poor prognosis. ALKBH5 can promote melanoma cell proliferation, colony formation, migration, and invasion and inhibit autophagy in vitro, facilitating tumor growth and metastasis in vivo. We identified ABCA1, a membrane protein that assists cholesterol efflux, as a downstream target of ALKBH5-mediated m6A demethylation. Finally, our data demonstrated that ALKBH5 promoted SKCM via mediating ABCA1 downregulation by reducing ABCA1 mRNA stability in an m6A-dependent manner. Conclusion: Our findings exhibited the functional value of the key demethylase ALKBH5 mediated m6A modification in the progression of SKCM, suggesting ALKBH5 and its target ABCA1 as potential therapeutic targets in SKCM.

2024-02-29 | GSE253795 | GEO

ALKBH5 promotes tumor progression by decreasing RIG-I expression mediated by N6-methyladenosine-dependent HNRNPC binding in HNSCC

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

2022-04-13 | GSE185888 | GEO

The interacted proteins of ALKBH5 and FTO identified by IP-mass

Project description:Since m6A demethylases (FTO and ALKBH5) have been reported to be involved in pre-mRNA splicing regulation, we hypothesized that dynamic m6A distribution during mRNA maturation might involve removal of m6A in internal exons by FTO or ALKBH5 accompanied by splicing factors. To explore this we performed pull-down assays coupled with protein mass spectrometry.

2022-12-09 | PXD038705 | Pride

ALKBH5 promotes tumor progression by decreasing RIG-I expression mediated by N6-methyladenosine-dependent HNRNPC binding in HNSCC [MeRIP-seq]

Project description:ALKBH5 promotes tumor progression by decreasing RIG-I expression mediated by N6-methyladenosine-dependent HNRNPC binding in HNSCC [MeRIP-seq]

| PRJNA771104 | ENA

RNA demethylase ALKBH5 promotes tumorigenesis in multiple myeloma [m6A-seq]

Project description:We here report ALKBH5, a m6A RNA demethylase, as a crucial oncogene in multiple myeloma (MM). Using various MM models, we demonstrated a critical requirement of ALKBH5 for MM cell proliferation in vitro and in vivo. To identify the potential mRNA targets of ALKBH5, we conducted m6A-seq with mRNA samples enriched from MM cells with or without ALKBH5 knockdown.

2022-07-07 | GSE180207 | GEO

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