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NAT10 drives head and neck squamous cell carcinoma proliferation via ac4C modification of DDIT4 mRNA

ABSTRACT: To investigate the function NAT10 in the regulation of proliferation, we established SAS cell lines in which target gene has been knocked down by siRNA.

ORGANISM(S): Homo sapiens

PROVIDER: GSE314697 | GEO | 2025/12/24

REPOSITORIES: GEO

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NAT10 drives head and neck squamous cell carcinoma proliferation via ac4C modification of DDIT4 mRNA

Project description:NAT10 drives head and neck squamous cell carcinoma proliferation via ac4C modification of DDIT4 mRNA

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Project description:We performedacRIP-seq between control CRC cells and CRC cells with NAT10 knockdown to identify NAT10 mediates mRNA ac4C modification

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NAT10-mediated ac4C-modification exacerbates ferroptosis by stabilizing HMOX1 in Deep vein thrombosis

Project description:In our study, we aimed to identify the pathways and genes closely related to DVT. Through proteomic analysis, we found that the ferroptosis signaling pathway showed differential expression, and we also discovered that NAT10 (a key acetyltransferase modified by ac4C) was significantly overexpressed in DVT mice. Based on this discovery, we further investigated the downstream genes regulated by NAT10. We found that NAT10 enhances the stability of HMOX1 through ac4C modification, which results in iron overload and lipid peroxides, thereby forming a positive feedback loop that exacerbates DVT.

2026-01-26 | PXD067933 | Pride

NAT10 mediated ac4C tRNA modification promotes EGFR mRNA translation and gefitinib resistance in cancers

Project description:The diverse RNA modifications play essential functions in gene expression regulation. Aberrant RNA modifications are frequently associated with cancers, while the underlying mechanisms and clinical significance remain poorly understood. Here we revealed that the ac4C RNA acetyltransferase NAT10 is significantly upregulated in esophageal cancers (ESCA) and associated with poor ESCA prognosis. In addition, using cancer cell lines, xenograft tumor models, Nat10 conditional knockin and conditional knockout mice, in vivo ESCA tumorigenesis model and chemical inhibition approaches, we uncovered the critical physiological functions of NAT10 in promoting esophageal cancer tumorigenesis and progression in vitro and in vivo. Mechanistically, NAT10 depletion reduced the abundance of ac4C-modified tRNAs and significantly decreased the translation efficiencies of mRNAs enriched for ac4C-modified-tRNA decoded codons. We further identified EGFR as a key downstream target that facilitates NAT10’s oncogenic functions in promoting esophageal cancer progression. In terms of clinical significance, we demonstrated that NAT10 promotes esophageal cancer resistance to EGFR inhibitor gefitinib, and combination of NAT10 depletion and gefitinib treatment synergistically inhibits esophageal cancer progression in vitro and in vivo. Our data uncovered novel molecular mechanisms underlying esophageal cancer progression at the layer of mRNA translation control and provided molecular insights for development of effective cancer therapeutic strategies.

2023-02-16 | GSE225131 | GEO

NAT10-ac4C axis promote renal fibrosis

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.

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N4-acetylcytidine-dependent GLMP mRNA stabilization by NAT10 promotes head and neck squamous cell carcinoma metastasis and remodels tumor microenvironment through MAPK/ERK signaling pathway

Project description:N4-acetylcytidine (ac4C) is a posttransciptional RNA modification regulating in various important bioprocess. However, the role in human cancer, especially lymph node metastasis, remains largely unknown. Here, we showed NAT10, as the only “writer” of ac4C mRNA modification, was highly expressed in HNSCC patients with lymph node metastasis. High NAT10 levels in lymph node of HNSCC patients predicted poor overall survival. Moreover, we found the high expression of NAT10 was positively upregulated by NRF1 transcription factor. Gain and loss-of-function displayed that NAT10 promoted cell metastasis in mice. Mechanistically, NAT10 induced ac4C modification of GLMP and stabilized its mRNA, which triggered the activation of MAPK/ERK signaling pathway. Lastly, the NAT10’s specific inhibitor Remodelin could inhibit HNSCC tumorigenesis via 4-NQO-induced murine tumor model and remodel the tumor microenvironment, including angiogenesis, CD8+ T cell and Treg recruitment. These results demonstrated that NAT10 promoted lymph node metastasis of HNSCC via ac4C-dependent stabilization of GLMP transcript, providing a potential epitranscriptomic-targeted therapeutic strategy for HNSCC.

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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

ac4C-seq in NAT10-knockdown PANC-1 cells

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

NAT10-mediated ac4C-modification exacerbates ferroptosis by stabilizing HMOX1 in Deep vein thrombosis [acRIP-Seq]

Project description:In our study, we aimed to identify the mechanisms closely related to ac4C. Through acRIP-seq analysis, we found that NAT10 enhances the stability of HMOX1 via ac4C modification, which leads to iron overload and lipid peroxides. This forms a positive feedback loop that exacerbates DVT.

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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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