Journal of hepato-biliary-pancreatic sciences · 2024
Clinical significance of ribosomal protein S15 expression in patients with colorectal cancer liver metastases.
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Sakano Yoshihiro, Matoba Daijiro, Noda Takehiro, Kobayashi Shogo, Yamada Daisaku, Tomimaru Yoshito, Takahashi Hidenori, Uemura Mamoru, Doki Yuichiro, Eguchi Hidetoshi
Аннотация
BACKGROUND: Liver metastasis is the most frequently observed distant metastasis of colorectal cancer, and the residual liver recurrence rate after hepatic resection is still high. To explore the mechanism of liver metastasis to discover potential new treatments, we assessed the relationship between the expression of differentially expressed genes (DEGs) and prognosis in patients with colorectal cancer liver metastasis (CRLM).
METHODS: The gene expression dataset was extracted from The Cancer Genome Atlas and the Gene Expression Omnibus. Significance analysis of DEGs between tumor and normal samples of colorectum, liver, and lung was conducted. A total of 80 CRLM patients were studied to assess the expression of RPS15, characteristics, and outcomes. We examined the relationships of RPS15 expression to cell viability and apoptosis in vitro and vivo.
RESULTS: Significance analysis identified 33 DEGs. In our cohorts, the overall survival rates were significantly lower in the high-RPS15-expression group, and high expression of RPS15 was an independent and unfavorable prognostic factor in recurrence-free survival and overall survival. Knockdown of RPS15 expression reduced the proliferative capacity of colorectal cancer cells and increased BAX-induced apoptotic cell death.
CONCLUSIONS: RPS15 expression is an independent prognostic factor for CRLM patients and might be a novel therapeutic target for CRLM.
METHODS: The gene expression dataset was extracted from The Cancer Genome Atlas and the Gene Expression Omnibus. Significance analysis of DEGs between tumor and normal samples of colorectum, liver, and lung was conducted. A total of 80 CRLM patients were studied to assess the expression of RPS15, characteristics, and outcomes. We examined the relationships of RPS15 expression to cell viability and apoptosis in vitro and vivo.
RESULTS: Significance analysis identified 33 DEGs. In our cohorts, the overall survival rates were significantly lower in the high-RPS15-expression group, and high expression of RPS15 was an independent and unfavorable prognostic factor in recurrence-free survival and overall survival. Knockdown of RPS15 expression reduced the proliferative capacity of colorectal cancer cells and increased BAX-induced apoptotic cell death.
CONCLUSIONS: RPS15 expression is an independent prognostic factor for CRLM patients and might be a novel therapeutic target for CRLM.