Archivos espanoles de urologia · 2026
Identification of SLC3A2 as a Potential Therapeutic Target of Ferroptosis in Bladder Cancer.
СтатьяНазвание и аннотация: Перевод в очереди
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Yang Qi, Zhou Dewang, Beasley Aaron, Liu Yujun, Yan Zeqin, Fang Hu, Li Yuqing, Gray Elin S
Аннотация
BACKGROUND: Bladder cancer (BC) represents the most prevalent malignancy within the urinary system. Mounting evidence underscores the critical involvement of ferroptosis in cancer pathogenesis; Consequently, this study delves into its molecular underpinnings and therapeutic potential specifically in BC.
METHODS: We analyzed gene expression profiles from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) repositories. Ferroptosis-related genes (FRGs) were selected from the FerrDb database. Utilizing systematic bioinformatics analyses, we identify differentially expressed and prognostic FRGs and construct an FRGs prognostic model. Combined with protein-protein interaction (PPI) analysis, solute carrier family 3 member 2 (SLC3A2) was selected for further study. Following targeted small interfering RNA (siRNA)-mediated knockdown of SLC3A2 in BC cell lines, we conducted comprehensive functional assays to evaluate its effect on malignant phenotypes, ferroptosis, and cisplatin sensitivity.
RESULTS: SLC3A2 expression was significantly elevated in BC cells ( p < 0.001). Its knockdown inhibited the proliferation, migration, and invasion abilities and promoted erastin-induced ferroptosis, as evidenced by increased reactive oxygen species (ROS), lipid peroxidation, and iron accumulation (all p < 0.05). SLC3A2 depletion also enhanced cisplatin sensitivity.
CONCLUSIONS: Collectively, these findings establish SLC3A2 as playing a vital oncogenic role in BC tumorigenesis and progression. Its function in inhibiting ferroptosis-especially during cisplatin-based chemotherapy-makes it a promising therapeutic target.
METHODS: We analyzed gene expression profiles from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) repositories. Ferroptosis-related genes (FRGs) were selected from the FerrDb database. Utilizing systematic bioinformatics analyses, we identify differentially expressed and prognostic FRGs and construct an FRGs prognostic model. Combined with protein-protein interaction (PPI) analysis, solute carrier family 3 member 2 (SLC3A2) was selected for further study. Following targeted small interfering RNA (siRNA)-mediated knockdown of SLC3A2 in BC cell lines, we conducted comprehensive functional assays to evaluate its effect on malignant phenotypes, ferroptosis, and cisplatin sensitivity.
RESULTS: SLC3A2 expression was significantly elevated in BC cells ( p < 0.001). Its knockdown inhibited the proliferation, migration, and invasion abilities and promoted erastin-induced ferroptosis, as evidenced by increased reactive oxygen species (ROS), lipid peroxidation, and iron accumulation (all p < 0.05). SLC3A2 depletion also enhanced cisplatin sensitivity.
CONCLUSIONS: Collectively, these findings establish SLC3A2 as playing a vital oncogenic role in BC tumorigenesis and progression. Its function in inhibiting ferroptosis-especially during cisplatin-based chemotherapy-makes it a promising therapeutic target.