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journal article·2025-07Open access

A Feedback Loop Between Fatty Acid Metabolism and Epigenetics in Clear Cell Renal Carcinoma

Zhou Ye, Qi‐Xin Hu, Ming‐Liang Wei, Ji‐Dong Chen, Jia Shi, Ning‐Rong Yang, Lu Jiang, Jian Chen, Zhi‐Yuan Chen, Wei‐Min Yu, Yu Xiao, Kai‐Yu Qian, Zilin Xu, Zhong Wang, Wen‐Lu Qi, Xin‐Yi Xiao, Yu‐Yu Duan, Yong Xiao, Lian‐Yun Li, Lin‐Gao Ju, Ming‐Kai Chen, Min Wu

Advanced Science· Volume 12· Issue 28
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Abstract

Abstract Lipid storage and epigenetic dysregulation are key features for clear cell renal carcinoma (ccRCC). However, the interplay between fatty acid metabolism and epigenetics in ccRCC remains to be further demonstrated. Here, the landscape of active enhancers is profiled in paired ccRCC samples and identifies 10171 gain variant enhancer loci (VELs) in the tumor tissues. Experimental validation reveals the enhancers targeting FABP5, FABP6, LPCAT1, MET, SEMA5B, SH3GL1, SNX33, and RHBDF2 are oncogenic. Further studies in organoids and animal models prove FABP5 as an oncogene. HIF‐2α and ZNF692 transcription factors regulate FABP5 expression through directly binding to its promoter and enhancer. FABP5 is essential for the lipid droplet formation driven by HIFs and critical for H3K27ac and enhancer activity in ccRCC cells. Thus, the study has identified potential targets for drug design and diagnosis and discovered the function of a feedback loop between epigenetics and lipid metabolism regulated by FABP5 in ccRCC.
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Research context

OpenAlex topics: Cancer, Lipids, and Metabolism · Epigenetics and DNA Methylation · Cancer, Hypoxia, and Metabolism

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Metabolism and Regulation in Complex Organisms, Frontier Science Center for Immunology and Metabolism, Hubei Key Laboratory of Cell Homeostasis, Hubei Key Laboratory of Developmentally Originated Disease, College of Life Sciences, Taikang Center for Life and Medical Sciences, Renmin Hospital of Wuhan University Wuhan University Wuhan Hubei 430072 China

Department of Gastroenterology, Renmin Hospital of Wuhan University Wuhan University Wuhan Hubei 430072 China

Department of Urology Renmin Hospital of Wuhan University Wuhan 430060 China

Department of Biological Repositories Zhongnan Hospital of Wuhan University Wuhan 430071 China

Human Genetic Resources Preservation Center of Hubei Province Wuhan 430071 China

Hubei University of Chinese Medicine Wuhan Hubei 430065 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China

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