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<p>One major topic in colorectal cancer (CRC) research is the role of immune cells against cancer cells. The association of single-nucleotide polymorphisms (SNPs) and polygenic risk scores (PRS) with CRC was examined and their functional properties were identified using a gene-gene interaction network. 960 CRC patients at Seoul National University Hospital (SNUH, discovery) and 6,627 CRC patients at Chonnam National University Hospital (CNNUH, validation) were enrolled. SNPs were genotyped using the Korean Biobank Array. 2,729 immune-related genes were selected from the Ensembl, Gene Ontology, and Kyoto Encyclopedia of Genes and Genomes, and 37,398 SNPs were mapped. PRS were categorized into tertiles. Cox proportional hazard models were fitted for overall survival (OS) and progression-free survival (PFS). A gene-gene interaction network was analyzed. Among CRC patients from SNUH, 154 (16.0%) died, while 245 (25.5%) had progression. In CNNUH, 3,537 (53.4%) died. For OS, the most significant association was observed for rs117322760 (8q23.1, <i>PKHD1L1</i>, hazard ratio (HR) = 4.58, <i>p</i>-value = 1.40 × 10<sup>− 6</sup>). For PFS, it was observed in rs143531681 (7q36.1, <i>NOS3</i>, HR = 4.67, <i>p</i>-value = 9.72 × 10<sup>− 8</sup>). For PRS, the highest tertile group showed an increased risk for OS (HR = 59.58, <i>p</i>-value = 9.20 × 10<sup>–48</sup>) and PFS (HR = 9.81, <i>p</i>-value = 1.69 × 10<sup>–23</sup>). Significant interactions were observed between <i>PIK3R2</i> and <i>PIK3CA</i> for OS and <i>ALOX5</i> and <i>COTL1</i> for PFS. This study presented novel genetic variants associated with OS and PFS in CRC patients, and notable findings from the analysis of PRS and the gene-gene interaction.</p>

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Novel genetic loci and functional properties of immune-related genes for colorectal cancer survival in Korea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月13日

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  • Dabin Yun,
  • Jung-Ho Yang,
  • Soyoun Yang,
  • Jin-ah Sim,
  • Minjung Kim,
  • Ji Won Park,
  • Seung Yong Jeong,
  • Aesun Shin,
  • Sun-Seog Kweon,
  • Nan Song

摘要

One major topic in colorectal cancer (CRC) research is the role of immune cells against cancer cells. The association of single-nucleotide polymorphisms (SNPs) and polygenic risk scores (PRS) with CRC was examined and their functional properties were identified using a gene-gene interaction network. 960 CRC patients at Seoul National University Hospital (SNUH, discovery) and 6,627 CRC patients at Chonnam National University Hospital (CNNUH, validation) were enrolled. SNPs were genotyped using the Korean Biobank Array. 2,729 immune-related genes were selected from the Ensembl, Gene Ontology, and Kyoto Encyclopedia of Genes and Genomes, and 37,398 SNPs were mapped. PRS were categorized into tertiles. Cox proportional hazard models were fitted for overall survival (OS) and progression-free survival (PFS). A gene-gene interaction network was analyzed. Among CRC patients from SNUH, 154 (16.0%) died, while 245 (25.5%) had progression. In CNNUH, 3,537 (53.4%) died. For OS, the most significant association was observed for rs117322760 (8q23.1, PKHD1L1, hazard ratio (HR) = 4.58, p-value = 1.40 × 10− 6). For PFS, it was observed in rs143531681 (7q36.1, NOS3, HR = 4.67, p-value = 9.72 × 10− 8). For PRS, the highest tertile group showed an increased risk for OS (HR = 59.58, p-value = 9.20 × 10–48) and PFS (HR = 9.81, p-value = 1.69 × 10–23). Significant interactions were observed between PIK3R2 and PIK3CA for OS and ALOX5 and COTL1 for PFS. This study presented novel genetic variants associated with OS and PFS in CRC patients, and notable findings from the analysis of PRS and the gene-gene interaction.