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ALKBH5 impacts malignancy of colorectal cancer via m6A-mediated epigenetic modulation [meRIP-seq]

ABSTRACT: ALKBH5 impacts malignancy of colorectal cancer via m6A-mediated epigenetic modulation [meRIP-seq]

PROVIDER: PRJNA884658 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21722800_1.fastq.gz	Fastqsanger.gz
	SRR21722800_2.fastq.gz	Fastqsanger.gz
	SRR21722801_1.fastq.gz	Fastqsanger.gz
	SRR21722801_2.fastq.gz	Fastqsanger.gz
	SRR21722802_1.fastq.gz	Fastqsanger.gz

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ALKBH5 impacts malignancy of hepatocellular carcinoma via m6A-mediated epigenetic modulation

Project description:ALKBH5 impacts malignancy of hepatocellular carcinoma via m6A-mediated epigenetic modulation

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ALKBH5 impacts malignancy of hepatocellular carcinoma via m6A-mediated epigenetic modulation

Project description:N6-methyladenosine (m6A) modification is implicated in the tumorigenicity of hepatocellular carcinoma (HCC). AlkB homolog 5 (ALKBH5) is one of the m6A demethylases, and it has not been well characterized in HCC. In our study we clarify the biological roles and potential mechanisms of ALKBH5 in HCC. We identify the expression profile of ALKBH5 in HCC and find that it serves as an independent prognostic factor of HCC survival. It impacts the proliferation and invasion capability of HCC cells in vitro and in vivo. ALKBH5-mediated m6A demethylation leads to a post-transcriptional modulation of LYPD1. In addition, we reveal the tumor-related behaviors of LYPD1.

2020-08-11 | GSE149510 | GEO

ALKBH5 impacts malignancy of colorectal cancer via m6A-mediated epigenetic modulation [meRIP-seq]

Project description:ALKBH5 is one of the important m6A demethylases and is reported to be closely associated with tumorigenesis.In this study, we report gene expression profiles of HCT116 cells treated with ALKBH5 shRNA. This study reveals a novel role of ALKBH5 in downstream gene regulation and provides a new explanation ofALKBH5’ s function in colorectal cancer.

2024-12-31 | GSE214262 | GEO

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

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.

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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

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Methylated RNA immunoprecipitation sequencing (MeRIP-seq) of human epidermis and HaCAT cells with or without ALKBH5 knockdown

Project description:We performed MeRIP-seq on (1) two human epidermis tissue and HaCAT (human keratinocyte cell line) cells; (2) HaCAT cell lines with or without ALKBH5 knockdown by siRNA in duplicate experiments.

2022-08-18 | GSE211442 | GEO

ALKBH5-mediated m6A demethylation ameliorates extracellular matrix deposition in cutaneous pathological fibrosis [meRIP-seq]

Project description:Hypertrophic scars (HTS) are fibrotic skin disorders characterized by excessive deposition of dermal extracellular matrix (ECM), presenting significant challenges in clinical management despite incomplete understanding of their underlying mechanisms. Using MeRIP-seq and RNA-seq, our study initially revealed the direct regulatory role of ALKBH5 on ECM components in dermal fibroblasts, thereby involving in the pathogenesis of HTS.

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ALKBH5 modulates endoderm fate diversion from hESCs through the ALKBH5-GATA6-WNT/β-catenin regulatory axis [meRIP-seq]

Project description:N6-methyladenonsine (m6A) modification locates ubiquitously in mammalian mRNA, and profoundly impacts various physiological processes and pathogenesis. However, the precise involvement of m6A in early endoderm development has yet to be fully elucidated. Here, we reported that depletion of the m6A demethylase ALKBH5 in human embryonic stem cells (hESCs) severely impaired definitive endoderm (DE) differentiation. Within this process, ALKBH5-/- hESCs failed to undergo the primitive streak (PS) intermediate transition, which is considered as a prelude to endoderm specification. Mechanistically, we demonstrated that ALKBH5 deficiency induced m6A hypermethylation around the 3’ untranslated region (3’UTR) of GATA6 transcripts and destabilized GATA6 mRNA in a YTHDF2-dependent manner. Moreover, dysregulation of GATA6 expression ablated its occupancy with critical regulators of Wnt/β-catenin signaling pathway, thereby disrupting the signaling logic underlying DE formation. Overall, our findings unveil a mechanism whereby the ALKBH5-GATA6-WNT/β-catenin axis modulates human in vitro DE induction, and present novel insights on m6A modification in early embryonic development.

2024-10-23 | GSE248526 | GEO

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

2022-04-13 | GSE185886 | GEO