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Citation Information: J Clin Invest. 2024;134(18):e175023. https://doi.org/10.1172/JCI175023.
Abstract
Strategies beyond hormone-related therapy need to be developed to improve prostate cancer mortality. Here, we show that FUBP1 and its methylation were essential for prostate cancer progression, and a competitive peptide interfering with FUBP1 methylation suppressed the development of prostate cancer. FUBP1 accelerated prostate cancer development in various preclinical models. PRMT5-mediated FUBP1 methylation, regulated by BRD4, was crucial for its oncogenic effect and correlated with earlier biochemical recurrence in our patient cohort. Suppressed prostate cancer progression was observed in various genetic mouse models expressing the FUBP1 mutant deficient in PRMT5-mediated methylation. A competitive peptide, which was delivered through nanocomplexes, disrupted the interaction of FUBP1 with PRMT5, blocked FUBP1 methylation, and inhibited prostate cancer development in various preclinical models. Overall, our findings suggest that targeting FUBP1 methylation provides a potential therapeutic strategy for prostate cancer management.
Authors
Weiwei Yan, Xun Liu, Xuefeng Qiu, Xuebin Zhang, Jiahui Chen, Kai Xiao, Ping Wu, Chao Peng, Xiaolin Hu, Zengming Wang, Jun Qin, Liming Sun, Luonan Chen, Denglong Wu, Shengsong Huang, Lichen Yin, Zhenfei Li
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