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Landscape of N6-methyladenosine modification patterns in invasive malignant pleomorphic adenoma

ABSTRACT: Landscape of N6-methyladenosine modification patterns in invasive malignant pleomorphic adenoma

PROVIDER: PRJNA679771 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13091700.fastq.gz	Fastqsanger.gz
	SRR13091701.fastq.gz	Fastqsanger.gz
	SRR13091702.fastq.gz	Fastqsanger.gz
	SRR13091703.fastq.gz	Fastqsanger.gz
	SRR13091704.fastq.gz	Fastqsanger.gz

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Landscape of N6-methyladenosine modification patterns in invasive malignant pleomorphic adenoma

Project description:N6-methyladenosine (m6A) is one of the most popular RNA modifications, which is widely found in messenger RNAs (mRNAs) .In our study,we provide m6A profiles of human invasive malignant pleomorphic adenoma, which open an avenue for in-depth knowledge and understanding of m6A topology in invasive malignant pleomorphic adenoma.

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Project description:Hypoxia as a crucial pathogenesis factor usually results in huge harmful effects on cardiac injury and dysfunction. In our previous study (PMID: 33294289), We observe a series of differential expressed genes between transcription and translation, which may be attributed to the hypoxia-specific binding affinity of Nuclear cap-binding subunit 3 (NCBP3) at 5’ un-translation region of target genes. But the underlying molecular mechanism of NCBP3 for gene translation modulation remains unclear. Here, we conducted RIP-seq of N6-Methyladenosine methylation in H9C2 cells with the conditions of normoxic, hypoxic and with additional NCBP3 knockdown.

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N6-methyladenosine Modulates Messenger RNA Translation Efficiency

Project description:N6-methyladenosine (m6A) is the most abundant internal messenger (mRNA) modification in mammalian mRNA. This modification is reversible and non-stoichiometric, which potentially adds an additional layer of variety and dynamic control of mRNA metabolism. The m6A-modified mRNA can be selectively recognized by the YTH family “reader” proteins. The preferential binding of m6A-containing mRNA by YTHDF2 is known to reduce the stability of the target transcripts; however, the exact effects of m6A on translation has yet to be elucidated. Here we show that another m6A reader protein, YTHDF1, promotes ribosome loading of its target transcripts. YTHDF1 forms a complex with translation initiation factors to elevate the translation efficiency of its bound mRNA. In a unified mechanism of translation control through m6A, the YTHDF2-mediated decay controls the lifetime of target transcripts; whereas, the YTHDF1-based translation promotion increases the translation efficiency to ensure effective protein production from relatively short-lived transcripts that are marked by m6A. PAR-CLIP and RIP was used to identify YTHDF1 binding sites followed by ribosome profling and RNA seq to assess the consequences of YTHDF1 siRNA knock-down

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