Human mutation · 2026
Bioinformatics Combined With Biological Experiments to Explore the Promotion of Lung Metastasis by CCL18 in the Immune Microenvironment of Colorectal Cancer.
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Xia Qingcheng, Yin Shuting, Chen Jiping, Wang Haonan, Shi Yexin, Li Jie, Yuan Zidong, Wang Zijun, Lu Ming, Zhao Qinghong, Wei Wei, Ma Xiang
Аннотация
BACKGROUND: Colorectal cancer (CRC) is one of the most prevalent malignant neoplasms. Tumor metastasis represents a significant contributor to unfavorable prognosis, and lung metastasis is the most common extra-abdominal metastasis of CRC. However, pulmonary metastatic CRC has not received significant attention. Therefore, in this study, our main aim was to discover the key genes for lung metastasis and improve the prognosis of CRC.
METHODS: Differentially expressed genes (DEGs) between primary tumors and patients with pulmonary metastatic CRC were obtained by analysis of a comprehensive database of gene expression (GEO). DEGs were screened by prognostic survival analysis, TCGA differential expression analysis, and single gene GSEA.
RESULTS: Combining the differences in patient prognosis and expression, we found that CCL18 is a key gene in CRC lung metastasis. Macrophage coculture and transwell assay verified the potential of CCL18 in promoting the invasive metastatic ability of CRC cells, as well as the proliferation of CRC cells.
METHODS: Differentially expressed genes (DEGs) between primary tumors and patients with pulmonary metastatic CRC were obtained by analysis of a comprehensive database of gene expression (GEO). DEGs were screened by prognostic survival analysis, TCGA differential expression analysis, and single gene GSEA.
RESULTS: Combining the differences in patient prognosis and expression, we found that CCL18 is a key gene in CRC lung metastasis. Macrophage coculture and transwell assay verified the potential of CCL18 in promoting the invasive metastatic ability of CRC cells, as well as the proliferation of CRC cells.