Cited by 4Genomics and Chromatin DynamicsEpigenetics and DNA MethylationChromatin Remodeling and Cancer

Characterization of cis-regulatory elements and functional variants in colorectal cancer using epigenomics and CRISPRi screenings

Lu, Zequn, Chen, Can, Zhang, Heng, Li, Bin, Liu, Yizhuo, Guo, Jiayi, Xu, Runying, Shi, Ke +29 more·2025·Nature Cancer

Abstract

Genetic variants associated with colorectal cancer (CRC) are primarily noncoding and reside in cis-regulatory elements (CREs), yet their underlying mechanisms remain elusive. Here we established a dynamic epigenetic atlas using multiomics data from 533 colorectal tissues spanning normal to advanced adenoma to cancer, identifying 7,492 differential CREs linked to 5,490 target genes. High-throughput CRISPR interference screening revealed 265 functional CREs involved in CRC cell proliferation. A polygenic risk score (PRS) based on functional CRE variants effectively predicted CRC and precancerous lesions among 476,770 individuals. Notably, the functional variant rs10871066 was significantly associated with increased risk of precancerous lesions and CRC (odds ratio = 1.27, P = 1.03 × 10-13). Mechanistically, rs10871066 triggers silencer-to-enhancer switching mediated by FOXP1 and TCF7L2, distally upregulating KLF5 to activate oncogenic pathways and PIBF1 to suppress natural killer cell cytotoxicity. Our study provides a comprehensive resource of dynamic epigenomic atlas, a functionally informed PRS for risk prediction and insights into epigenetic mechanisms underlying CRC development.

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Crossref · 10.1038/s43018-025-01031-z

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Authors
Lu, Z., Chen, C., Zhang, H., Li, B., Liu, Y., Guo, J., Xu, R., Shi, K., Ma, Q., Zhang, M., Cai, Y., Huang, J., Geng, H., Fan, L., Ning, C., Li, Y., Chen, S., Tian, W., Hu, K., Li, H., Yang, X., Huang, C., Wei, Y., Zhu, X., Li, X., Xiong, Z., Cai, M., Wang, X., Zhang, S., Chen, H., Dai, M., Chen, K., Jin, M., Jin, M., Zhu, Y., Tian, J., & Miao, X.
Affiliations
  • Wuhan University (CN)
  • Tongji Hospital (CN)
  • Renmin Hospital of Wuhan University (CN)
  • Wuhan Union Hospital (CN)
  • Zhengzhou University (CN)
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Second Affiliated Hospital of Zhejiang University (CN)
Corresponding author
  • Tian, Jianbo
  • Miao, Xiaoping
Venue
Nature Cancer
Published
2025-08-25
Volume
6
Issue
11
Pages
1777-1799
ISSN
2662-1347 (ISSN-L)
OpenAlex
W4413495074
Cited by
4
References
75
Citations by year
2026: 4
FWCI
0.99
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Cancer (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China ((NSFC-82130098)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
colorectal cancer, cis-regulatory elements, non-coding variants, polygenic risk score, colorectal adenoma, FOXP1, TCF7L2, KLF5, NK cell cytotoxicity, transcription factor binding, tumor progression
MeSH terms
Humans, Regulatory Sequences, Nucleic Acid, Repressor Proteins, Colorectal Neoplasms, Gene Expression Regulation, Neoplastic, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Epigenesis, Genetic, Cell Line, Tumor, Cell Proliferation, Epigenomics, Transcription Factor 7-Like 2 Protein, CRISPR-Cas Systems

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