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Profiles of N6-methyladenosine modifications of circular RNAs in oxygen-induced retinopathy

ABSTRACT: Profiles of N6-methyladenosine modifications of circular RNAs in oxygen-induced retinopathy

PROVIDER: PRJNA880599 | ENA |

REPOSITORIES: ENA

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Profiles of N6-methyladenosine modifications of circular RNAs in oxygen-induced retinopathy

Project description:To identify the N6-methyladenosine (m6A) modified circular RNAs (circRNAs) involved in a mouse model of oxygen-induced retinopathy (OIR), microarray analysis was performed with the retinal samples from OIR mice and Room air controls.

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N6-Methyladenosine Modification Controls Circular RNA Immunity.

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Landscape of N6-methyladenosine modification patterns in human ameloblastoma

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N6-Methyladenosine methylation profile in rat H9C2 cardiomyocytes under the hypoxic stress

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.

2021-06-30 | E-MTAB-10682 | biostudies-arrayexpress

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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Widespread N6-methyladenosine-dependent RNA Structural Switches Regulate RNA-Protein Interactions

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