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NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing

ABSTRACT: NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing

PROVIDER: PRJNA733454 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14676151_1.fastq.gz	Fastqsanger.gz
	SRR14676151_2.fastq.gz	Fastqsanger.gz
	SRR14676152_1.fastq.gz	Fastqsanger.gz
	SRR14676152_2.fastq.gz	Fastqsanger.gz
	SRR14676153_1.fastq.gz	Fastqsanger.gz

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NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing

Project description:Spatiotemporal regulation of chromatin replication (replication timing, RT） in eukaryotes is critical to maintain the genomic integrity. Here we focused on epigenetic mechanisms in rewiring genomic 3D conformation and replication timing. The results show that the novel lysine β-hydroxybutyrylation (Kbhb) modifications accelerates chromatin replication without inducing replication defects. This effect was mediated by the NAT10, a novel b-hydroxybutyryl-transferase, through regulating the association of NAT10 and CTCF with chromatin. Depletion of NAT10 and NAT10-mediated Kbhb dramatically reduce chromatin-bound NAT10 and CTCF, resulting in reorganization of genomic 3D conformation with enhanced trans- and cis-interaction in Hi-C matrix, with elevated proportion of A compartments, and with reorganized TADs boundaries. Moreover, reorganization of genomic 3D conformation contributes to rewire replication timing. These results support models in which NAT10-mediated β-hydroxybutyrylation coordinates genomic 3D conformation reorganization with replication timing alteration, and emphatically address the concept that epigenetic mechanisms reconcile genomic 3D conformation with replication timing.

2021-09-08 | GSE175731 | GEO

NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing [Replication-seq]

Project description:Spatiotemporal regulation of chromatin replication (replication timing, RT) in eukaryotes is critical to maintain the genomic integrity. Here we focused on epigenetic mechanisms in rewiring genomic 3D conformation and replication timing. The results show that the novel lysine β-hydroxybutyrylation (Kbhb) modifications accelerates chromatin replication without inducing replication defects. This effect was mediated by the NAT10, a novel b-hydroxybutyryl-transferase, through regulating the association of NAT10 and CTCF with chromatin. Depletion of NAT10 and NAT10-mediated Kbhb dramatically reduce chromatin-bound NAT10 and CTCF, resulting in reorganization of genomic 3D conformation with enhanced trans- and cis-interaction in Hi-C matrix, with elevated proportion of A compartments, and with reorganized TADs boundaries. Moreover, reorganization of genomic 3D conformation contributes to rewire replication timing. These results support models in which NAT10-mediated β-hydroxybutyrylation coordinates genomic 3D conformation reorganization with replication timing alteration, and emphatically address the concept that epigenetic mechanisms reconcile genomic 3D conformation with replication timing.

2021-09-08 | GSE176359 | GEO

NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing [Hi-C]

2024-07-04 | GSE179410 | GEO

NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing [Replication-seq]

Project description:NAT10-mediated β-hydroxybutyrylation Rewires Genomic 3D Conformation and Replication Timing [Replication-seq]

| PRJNA735959 | ENA

NAT10 inhibition improves cellular phenotypes of Hutchinson-Gilford progeria syndrome by restoring the Transportin-1 pathway

Project description:In this experiment, we aim to examine the role of NAT10 inhibition in Hutchinson-Gilford progeria syndrome (HGPS), a rare but devastating premature ageing syndrome caused by a mutation in the LMNA gene. NAT10 inhibition improves HGPS cellular phenotypes by releasing Transportin-1 (TNPO1) from the cytoplasm, restoring the TNPO1 pathway and allowing hnRNPA1 and NUP153 nuclear import, TPR anchorage at the nuclear pore complexes and RanGTP gradient re-balancing. We have promoted NAT10 inhibition by two ways in normal or patient derived primary skin fibroblasts; the NAT10 inhibitor Remodelin, and an siRNA directly targeting NAT10 (siNAT10). In addition, we have also used an siRNA against TNPO1 and a combined siTNPO1 and siNAT10 treatment. This is a 2-factor design, with treatment (Remodelin vs untreated, or siNAT10 vs siCT) and condition (HGPS vs normal fibroblasts) as the two conditions. Transcriptional profiling was performed using HumanHT-12 v4 Expression BeadChip microarrays, and all conditions were run in triplicate.

2018-06-25 | E-MTAB-6651 | biostudies-arrayexpress

Targeting NAT10 enhances healthspan and lifespan in a mouse model of human accelerated aging syndrome.

Project description:Targeting NAT10 enhances healthspan and lifespan in a mouse model of human accelerated aging syndrome.

2018-03-22 | E-MTAB-6578 | biostudies-arrayexpress

N-acetyltransferase NAT10 Controls Cell Fates

Project description:Here, we show that NAT10 is an essential regulator of cellular plasticity, and its catalyzed mRNA cytidine acetylation represents a new layer of epitranscriptomic modulation.

2023-11-14 | PXD036888 | Pride

RNA-seq analysis of mRNA expression profiles upon NAT10 depletion

Project description:NAT10 (N-acetyltransferase-like protein) regulates N4-acetylcytidine formation in RNA. However, the biological function and mechanisms of NAT10 were poorly defined. To understand the molecular mechanism by which NAT10 affect GC progression, we performed RNA sequencing (RNA-seq) in AGS cells with NAT10 knockout and in BGC823 cells with shNAT10, with independent biological replicates.

2024-06-30 | GSE180422 | GEO

ac4C RIP-seq analysis of AGS cells upon NAT10 knockout.

Project description:N4-acetylcytidine (ac4C), a conserved chemical modification in eukaryotic prokaryotes that is catalyzed by the N-acetyltransferase 10 (NAT10) enzyme, plays a crucial role in promoting mRNA stability and translation. However, the biological function and mechanisms of NAT10-mediated ac4C in human cancer were poorly defined. In order to investigate the regulatory mechanism of NAT10 in gastric cancer, we performed ac4C RIP-seq(acRIP-seq) analysis in AGS cells with NAT10 knockout compared with control in two repeats.

2024-07-07 | GSE180494 | GEO

NAT10 modulates fatty acid metabolism of palmitate driven MCF7 in ac4C dependent manner

Project description:We show that non-toxic exogenous palmitate uptake in MCF7 cells promotes NAT10 expression and NAT10-dependent ac4C RNA modification. It was previously reported that NAT10 modulates the addition of ac4C on RNA transcripts in normal and cancer conditions. However, no study report the impact of NAT10 in palmitate driven cells. Here we performed RNA immunoprecipitation sequencing (RIP-seq) in palmitate loaded MCF7 knockdown with NAT10 siRNA. Based on the pathways and enrichment landscape identified. We found that ac4C peaks of fatty acid metabolic genes including ELOVL6, ACSL1, ACSL3, ACSL4, ACADSB and ACAT1 were significantly decreased upon knockdown with NAT10 siRNA. Overall, our results revealed the impact of NAT10 as a regulator of fatty acid metabolism in ac4C-dependent manner

2022-08-03 | GSE210017 | GEO

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