ArticleCancer research and treatment2025
CYBC1 Drives Glioblastoma Progression via Reactive Oxygen Species and NF-κB Pathways.
Article in Cancer research and treatment, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis study aims to investigate the role of cytochrome b-245 chaperone 1 (CYBC1) in glioblastoma (GBM) progression, focusing on its involvement in reactive oxygen species (ROS) production and associated signaling pathways. Understanding the molecular mechanisms driven by CYBC1 could provide new therapeutic targets and prognostic markers for GBM. MATERIALS AND
methodsPublicly available datasets were analyzed to assess CYBC1 expression in GBM and its correlation with patient survival. GBM cell lines were genetically manipulated using the CRISPR/Cas9 system to deplete CYBC1. The effects of CYBC1 deficiency on cell proliferation, migration, invasion, and cell cycle dynamics were experimentally evaluated. Additionally, the impact of CYBC1 on the expression of NOXA1, a subunit of NADPH oxidase, and downstream signaling pathways such as nuclear factor кB (NF-κB) was explored.
resultsCYBC1 expression was significantly elevated in GBM tissues and correlated with poor patient survival. CYBC1 deficiency in GBM cells resulted in reduced cell viability, migration, and invasion. Mechanistically, CYBC1 positively regulated NOXA1 expression, which in turn enhanced ROS production and activated the ERK·AKT/NF-κB pathways. The suppression of CYBC1 led to decreased ROS levels, reduced phosphorylation of NF-κB, and downregulation of genes involved in epithelial-mesenchymal transition.
conclusionCYBC1 is implicated in GBM progression by regulating NOXA1-mediated ROS production and activating the ERK·AKT/NF-κB pathways. This study suggests that CYBC1 could serve as a potential therapeutic target and prognostic marker in GBM, warranting further investigation into its molecular mechanisms and therapeutic potential.
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