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CTRP6 protects against ferroptosis to drive lung cancer progression and metastasis by destabilizing SOCS2 and augmenting the xCT/GPX4 pathway

2023; Elsevier BV; Volume: 579; Linguagem: Inglês

10.1016/j.canlet.2023.216465

1872-7980

Songhua Cai, Baohui Zhang, Chujian Huang, Youjun Deng, Chunguang Wang, Yikun Yang, Zichang Xiang, Yao Ni, Zhe Wang, Lixu Wang, Baihua Zhang, Xiaotong Guo, Jie He, Kai Ma, Zhentao Yu,

RNA modifications and cancer

Lung cancer is a highly heterogeneous malignancy, and despite the rapid development of chemotherapy and radiotherapy, acquired drug resistance and tumor progression still occur. Thus, it is urgent to identify novel therapeutic targets. Our research aims to screen novel biomarkers associated with the prognosis of lung carcinoma patients and explore the potential regulatory mechanisms. We obtained RNA sequencing (RNA-seq) data of lung cancer patients from public databases. Clinical signature analysis, weighted gene coexpression network analysis (WGCNA) and the random forest algorithm showed that C1q/tumor necrosis factor-related protein-6 (CTRP6) is a core gene related to lung cancer prognosis, and it was determined to promote tumor proliferation and metastasis both in vivo and in vitro. Mechanistically, silencing CTRP6 was determined to promote xCT/GPX4-involved ferroptosis through functional assays related to lipid peroxidation, Fe