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Project description:ac4C transcriptomes of Zebrafish and Worm
| PRJNA1130538 | ENA
Project description:NAT10-catalyzed N4-acetylcytidine (ac4C) has emerged as a vital post-transcriptional modulator on the coding transcriptome by promoting mRNA stability. To explore the transcriptome-wide profile of ac4C modification, we mapped the locations of ac4C modification on wild-type (WT) hESCs and NAT10 KD hESCs by NaCNBH3-based chemical ac4C sequencing (ac4C-seq).
2023-08-25 | GSE226747 | GEO
Project description:NAT10-catalyzed N4-acetylcytidine (ac4C) has emerged as a vital post-transcriptional modulator on the coding transcriptome by promoting mRNA stability. To explore the transcriptome-wide profile of ac4C modification, we mapped the locations of ac4C modification on wild-type (WT) hESCs and NAT10 KD hESCs by high-throughput ac4C RNA immunoprecipitation sequencing (ac4C-RIP-seq).
2023-08-25 | GSE226748 | GEO
Project description:RNA modification play vital roles in renal fibrosis. However, whether ac4C modification functions in renal fibrogenesis remains unknown. Here, we found that NAT10-ac4C axis plays pro—fibrotic role in kidney. ac4C RIP sequencing demonstrated NAT10-ac4C axis functions via regulating multiple master genes of exosome secretion in tubular epithelial cells. In summary, targeting NAT10-ac4C axis is a promising strategy for renal fibrosis.
2024-11-30 | GSE248203 | GEO
Project description:As a newly identified mRNA modification, the regulation of ac4C remains largely unexplored. RNA-binding proteins (RBPs) that specifically binds to ac4C modification and mediate downstream cellular activities (readers) have not been reported yet. We synthesized acetylated and non-acetylated RNA probes by in vitro transcription. The sequences of the probes were segments of FUS and 18s rRNA, which contain ac4C sites as reported. A biotin-RNA pulldown assay and mass spectrometry were performed with HEK 293T cell lysates.
2021-07-20 | PXD027014 | Pride
Project description:Pancreatic cancer is a lethal diease with high tendency of metastasis. Howerver, the mechanisms of pancreatic cancer are sitill unclear. To explore the roles of N4-acetylation (ac4C) RNA modification and its involved N-Acetyltransferase 10 (NAT10) in pancreatic ductal adenocarcinoma (PDAC), we performed profiling by high throughput sequencing. In this study, we investigate the effects of NAT10 knockdown on N4-acetylcytidine (ac4C) modification in mRNA within PANC-1 cells using ac4C-seq. By employing RNA interference to specifically knock down NAT10 expression in PANC-1 cells, we aim to elucidate its impact on ac4C RNA modifications, which have been implicated in various cellular processes and cancer progression. Total RNA was extracted and mRNA was captured and treated with sodium borohydride (NaBH4) for detection of ac4C sites.Following library preparation, sequencing was performed on an Illumina Novaseq 6000 platform. Bioinformatics analyses identified significant changes in ac4C modification patterns due to NAT10 depletion. This dataset provides a valuable resource for further exploration of ac4C modifications in mRNA and their role in PDAC.
2025-03-26 | GSE275963 | GEO
Project description:RNA modification represents an important post-transcriptional regulatory mechanism in acute myeloid leukemia (AML), however the function and mechanism of RNA acetylation ac4C in AML remains elusive. Here, we report that NAT10, as the ac4C writing enzyme, plays a critical oncogenic function in AML and represents a promising therapeutic target for AML. To understand the mechanisms underlying the function of NAT10 as an RNA ac4C writer in AML, we profiled ac4C modification in the transcriptome of MOLM13 cells using a refined ac4C RNA immunoprecipitation and high throughput sequencing (RacRIP-seq) protocol, and performed systematic calibration with a modification-free control library generated from the in vitro- transcribed MOLM13 transcriptome (referred to as IVT control) to eliminate most of the false- positive signals. We also applied the RacRIP-seq in NAT10 knockdown and control MOLM13 cells to characterize NAT10 targets.
2024-08-26 | GSE246505 | GEO
Project description:chemical ac4C sequencing (ac4C-seq) to identify mRNA ac4C sites
| PRJNA941322 | ENA
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
Project description:Long-read nanopore sequencing has emerged as a potent tool for studying RNA modifications. However, the detection of N4-acetylcytidine (ac4C) based on nanopore sequencing remains largely unexplored. Here, we introduce ac4Cnet, a deep learning frame utilizing Oxford Nanopore direct RNA sequencing to accurately identify ac4C sites. Our methodology involves training ac4Cnet capable of distinguishing ac4C from unmodified cytidine and 5-methylcytosine (m5C), as well as estimating the modification rate at each ac4C site. We demonstrate the robustness of our approach through validations on independent in vitro datasets and a human cell line, highlighting its versatility and potential for advancing the study of ac4C modifications.
2025-02-08 | GSE267558 | GEO