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  • Title: CCDC85B promotes non-small cell lung cancer cell proliferation and invasion.
    Author: Feng Y, Gao Y, Yu J, Jiang G, Zhang X, Lin X, Han Q, Rong X, Xu H, Li Q, Qiu X, Wang E.
    Journal: Mol Carcinog; 2019 Jan; 58(1):126-134. PubMed ID: 30242906.
    Abstract:
    Coiled-coil domain containing 85 B (CCDC85B) is involved in diverse biological processes; however, its expression patterns and functions in human cancers are yet unknown. The present study demonstrated that the expression of CCDC85B in the cytoplasm of the non-small cell lung cancer (NSCLC) tumor cells was significantly higher compared to adjacent normal lung tissues (P < 0.05). Furthermore, CCDC85B expression correlated with advanced TNM stage (P = 0.004) and positive regional lymph node metastasis (P = 0.009) of NSCLC. In addition, in A549 and H1299 lung cancer cell lines, the overexpression of CCDC85B promoted cell proliferation and invasion, while siRNA-mediated CCDC85B knockdown exhibited opposite effects. CCDC85B promoted AKT and GSK3β phosphorylation and upregulated the levels of active β-catenin, Wnt targets c-myc, cyclin D1, and MMP7. Besides, the CCDC85B-induced upregulation of phosphorylated GSK3β and active β-catenin was rescued following the treatment with PI3 K inhibitor, LY294002. In conclusion, CCDC85B was associated with NSCLC progression as it promoted the proliferation and invasion of lung cancer cells through activated AKT/GSK3β/β-catenin oncogenic signaling pathway. Therefore, CCDC85B might serve as a novel target for NSCLC treatment.
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