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  • Open Access


    Upregulation of lncRNA CASC2 Suppresses Cell Proliferation and Metastasis of Breast Cancer via Inactivation of the TGF-β Signaling Pathway

    Yang Zhang*†, Min Zhu, Yuanbo Sun§, Wenyuan Li*†, Ying Wang*†, Weiguang Yu

    Oncology Research, Vol.27, No.3, pp. 379-387, 2019, DOI:10.3727/096504018X15199531937158

    Abstract Breast cancer is one of the major malignancies with a mounting mortality rate in the world. Long noncoding RNA (lncRNA) cancer susceptibility candidate 2 (CASC2) has been identified to regulate the initiation and progression of multiple tumorous diseases according to previous studies. However, its biological role has been rarely reported in breast cancer. In the present study, lncRNA CASC2 was found to be significantly downregulated in breast cancer tissues and cell lines using real-time quantitative PCR. Furthermore, gain-offunction assays demonstrated that overexpression of lncRNA CASC2 significantly repressed breast cancer cell proliferation and metastasis. Moreover, CASC2 induced cell cycle arrest and… More >

  • Open Access


    EIF5A2 Is Highly Expressed in Anaplastic Thyroid Carcinoma and Is Associated With Tumor Growth by Modulating TGF-β Signals

    Fengyun Hao*1, Qingli Zhu, Lingwei Lu, Shukai Sun, Yichuan Huang§, Jinna Zhang, Zhaohui Liu†#, Yuanqing Miao**, Xuelong Jiao††, Dong Chen††1

    Oncology Research, Vol.28, No.4, pp. 345-355, 2020, DOI:10.3727/096504020X15834065061807

    Abstract Anaplastic thyroid carcinoma (ATC) is resistant to standard therapies and has no effective treatment. Eukaryotic translation initiation factor 5A2 (EIF5A2) has shown to be upregulated in many malignant tumors and proposed to be a critical gene involved in tumor metastasis. In this study, we aimed to investigate the expression status of EIF5A2 in human ATC tissues and to study the role and mechanisms of EIF5A2 in ATC tumorigenesis in vitro and in vivo. Expression of EIF5A2 protein was analyzed in paraffin-embedded human ATC tissues and adjacent nontumorous tissues (ANCT) (n = 24) by immunochemistry. Expressions of EIF5A2 mRNA and protein… More >

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