Abstract
Abnormal lipid metabolism is one of the hallmarks of cancer. Lipid metabolic reprogramming, which has been observed in various tumors, could participate in tumor occurrence, invasion, and metastasis of tumors by regulating various carcinogenic signaling pathways. However, the molecular mechanism that regulates tumor cell lipid metabolic reprogramming has not been fully elucidated. Recent studies revealed that neurogenic differentiation factor 1 (NeuroD1) is upregulated in a variety of tumor cells, and is associated with tumorigenesis and poor prognosis. However, its role in tumor cell lipid metabolism remains unclear. Here, we found that NeuroD1 is highly expressed in hepatocellular carcinoma (HCC) cells and is associated with tumor cell cholesterol biosynthesis. We found that NeuroD1 enhances HCC cell cholesterol biosynthesis, leading to an increase in their viability. Mechanistically, NeuroD1 binds to the promoter of farnesyl diphosphate farnesyl transferase 1 (FDFT1), thereby activating its transcription activity. Furthermore, NeuroD1 can promote FDFT1 transcription through lysine acetyltransferase 2A-mediated H3K27 acetylation. Subsequently, we found that NeuroD1/FDFT1-mediated cholesterol biosynthesis is critical to the tumorigenic potential of HCC cells. These findings not only identify NeuroD1 as a regulator of lipid metabolism in tumor cells, but also reveal a novel molecular mechanism underlying its carcinogenic function.

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Data availability
All data supporting the findings of this study can be freely accessed by any researcher for non-commercial purposes upon reasonable request.
Change history
15 September 2025
The original online version of this article was revised:In this article, the order in which the authors appeared in the author list was incorrectly given as Zheng Wu, Wei Duan, Ying Xiong, Jingyi Liu, Xinpeng Wen, Fuqiang Zhao, Debing Xiang, Shourong Wu, Vivi Kasim and Jian Wang where it should have been Zheng Wu, Wei Duan, Ying Xiong, Jingyi Liu, Xinpeng Wen, Fuqiang Zhao, Debing Xiang, Jian Wang, Vivi Kasim, and Shourong Wu. This was a mistake on the publishers end. The publisher apologies for the inconvenience.
22 September 2025
A Correction to this paper has been published: https://doi.org/10.1038/s41388-025-03574-y
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Acknowledgements
This work was supported by grants from the National Natural Science Foundation of China (82173029 (SW), 32270778 (VK), and 82372655 (SW)), and the Talent Project of Chongqing University Jiangjin Hospital (2024LJXM005 (JW)).
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SW, VK, and JW conceived and designed the project, analyzed and interpreted the experimental results, and wrote the manuscript; ZW performed most of the experiments; analyzed and interpreted the experimental results, and wrote the manuscript; WD, YX, JL, XW, FZ, and DX analyzed and interpreted the data. DX and JW collected human clinical samples and performed clinical samples analysis. XW and FZ designed shRNA target sites and analyzed part of the data.
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Animal studies were approved by the Institutional Ethics Committee of Chongqing University Cancer Hospital (Permit No. SYXK-2021-0001). All animal experiments conformed to the Guidelines for the Care and Use of Laboratory Animals of the Chongqing University Cancer Hospital. For clinical HCC samples, prior patients’ written informed consents were obtained. The studies were approved by the Institutional Research Ethics Committee of Chongqing University Cancer Hospital (Permit No. CZLS2021292-A), and conducted in accordance with Declaration of Helsinki.
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Wu, Z., Duan, W., Xiong, Y. et al. NeuroD1 drives a KAT2A-FDFT1 signaling axis to promote cholesterol biosynthesis and hepatocellular carcinoma progression via histone H3K27 acetylation. Oncogene 44, 4017–4031 (2025). https://doi.org/10.1038/s41388-025-03534-6
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DOI: https://doi.org/10.1038/s41388-025-03534-6