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  • Open Access

    ARTICLE

    miR-365 Suppresses Cholangiocarcinoma Cell Proliferation and Induces Apoptosis by Targeting E2F2

    Lunjian Chen*, Xiaorong Huang, Xinxin Chen

    Oncology Research, Vol.26, No.9, pp. 1375-1382, 2018, DOI:10.3727/096504018X15188352857437

    Abstract Cholangiocarcinoma (CCA) is one of the most malignant adenocarcinomas arising from bile duct epithelial cells. However, the molecular mechanism regulating CCA development and progression still needs to be investigated. Here we found that miR-365 was downregulated in CCA tissues compared with adjacent normal tissues. By functional experiments, we found that overexpression of miR-365 significantly inhibited CCA cell proliferation and promoted cellular apoptosis in vitro. Furthermore, administration with miR-365 markedly suppressed the growth of tumor tissues in vivo. Mechanistically, we identified E2F2 as the target gene of miR- 365 in CCA cells. We found that overexpression More >

  • Open Access

    ARTICLE

    Corilagin Induces High Levels of Apoptosis in the Temozolomide-Resistant T98G Glioma Cell Line

    Roberta Milani*, Eleonora Brognara*, Enrica Fabbri*, Alessia Finotti*, Monica Borgatti*, Ilaria Lampronti*, Giovanni Marzaro, Adriana Chilin, Kenneth Ka-Ho Lee, Stanton Hon-Lung Kok, Chung-Hin Chui§, Roberto Gambari*

    Oncology Research, Vol.26, No.9, pp. 1307-1315, 2018, DOI:10.3727/096504017X14928634401187

    Abstract Glioblastoma multiforme (GBM), a malignant tumor of the central nervous system, has a high mortality rate. No curative treatment is presently available, and the most commonly used chemotherapeutic drug, the alkylating agent temozolomide (TMZ), is only able to increase life expectancy and is often associated with drug resistance. Therefore, an urgent need does exist for novel drugs aimed at treating gliomas. In the present study, we obtained three major results using corilagin: (a) demonstrated that it inhibits the growth of U251 glioma cells through activation of the apoptotic pathway; (b) demonstrated that it is also More >

  • Open Access

    ARTICLE

    Triptolide Inhibits Proliferation and Migration of Human Neuroblastoma SH-SY5Y Cells by Upregulating MicroRNA-181a

    Jian Jiang*, Xuewen Song, Jing Yang*, Ke Lei*, Yongan Ni*, Fei Zhou, Lirong Sun*

    Oncology Research, Vol.26, No.8, pp. 1235-1243, 2018, DOI:10.3727/096504018X15179661552702

    Abstract Neuroblastoma is the primary cause of cancer-related death for children 1 to 5 years of age. New therapeutic strategies and medicines are urgently needed. This study aimed to investigate the effects of triptolide (TPL), the major active component purified from Tripterygium wilfordii Hook F, on neuroblastoma SH-SY5Y cell proliferation, migration, and apoptosis, as well as underlying potential mechanisms. We found that TPL inhibited SH-SY5Y cell viability, proliferation, and migration, but induced cell apoptosis. The expression of matrix metalloproteinase-2 (MMP-2) and MMP-9 after TPL treatment in SH-SY5Y cells was decreased. The expression of microRNA-181a (miR-181a) was upregulated More >

  • Open Access

    ARTICLE

    Puerarin Inhibits Proliferation and Induces Apoptosis by Upregulation of miR-16 in Bladder Cancer Cell Line T24

    Xiaoyun Liu1, Shuguang Li1, Yanyan Li, Bo Cheng, Bo Tan, Gang Wang

    Oncology Research, Vol.26, No.8, pp. 1227-1234, 2018, DOI:10.3727/096504018X15178736525106

    Abstract Bladder cancer (BC) is a common disease of the urinary system. Puerarin is a flavonoid extracted from Pueraria lobata. However, the role of puerarin in BC remains unclear. Hence, this study aimed to investigate the effect of puerarin on BC cells. Cell viability, proliferation, and apoptosis were measured by CCK-8, BrdU assay, and flow cytometry analysis, respectively. The expressions of miR-16, apoptosis-related factors, and the main factors of the NF-kB pathway were analyzed by qRT-PCR and Western blot. In this study, we found that cell viability and proliferation were significantly reduced, cell apoptosis was enhanced, and… More >

  • Open Access

    ARTICLE

    MicroRNA-212 Targets Mitogen-Activated Protein Kinase 1 to Inhibit Proliferation and Invasion of Prostate Cancer Cells

    Bo Hu*, Xunbo Jin*, Jianbo Wang

    Oncology Research, Vol.26, No.7, pp. 1093-1102, 2018, DOI:10.3727/096504018X15154112497142

    Abstract Prostate cancer (PCa) is the second most commonly diagnosed malignancy and the fifth leading cause of cancer-related deaths in males worldwide. MicroRNAs (miRNAs) may serve as important regulators in PCa occurrence and development. Therefore, understanding the expression and functions of PCa-related miRNAs may be beneficial for the identification of novel therapeutic methods for patients with PCa. In this study, miRNA-212 (miR-212) was evidently downregulated in PCa tissues and several PCa cell lines. Functional assays showed that the resumption of miR-212 expression attenuated cell proliferation and invasion and increased the apoptosis of PCa. In addition, mitogen-activated More >

  • Open Access

    ARTICLE

    MicroRNA-519d-3p Inhibits Proliferation and Promotes Apoptosis by Targeting HIF-2α in Cervical Cancer Under Hypoxic Conditions

    Lixia Jiang*1, Shaohua Shi†1, Qiaofa Shi, Huijuan Zhang*, Yu Xia§, Tianyu Zhong*

    Oncology Research, Vol.26, No.7, pp. 1055-1062, 2018, DOI:10.3727/096504018X15152056890500

    Abstract HIF-2a knockdown inhibits proliferation, arrests the cell cycle, and promotes apoptosis and autophagy under hypoxic conditions in cervical cancer. However, the upstream regulatory mechanism of HIF-2a expression is unclear. MicroRNAs (miRNAs) degrade target mRNAs by binding to the 3'-untranslated region of mRNAs. In this study, we investigated the role of miRNAs in the regulation of HIF-2a expression in cervical cancer under hypoxic conditions. miRNAs regulating HIF-2a expression were predicted using TargetScan and miRanda and were determined in cervical cancer under hypoxic conditions by qRT-PCR. Additionally, the targeted regulation of HIF-2a by miR-519d-3p was evaluated by… More >

  • Open Access

    ARTICLE WITHDRAWN

    [ARTICLE WITHDRAWN] Overexpression of MicroRNA-34a-5p Inhibits Proliferation and Promotes Apoptosis of Human Cervical Cancer Cells by Downregulation of Bcl-2

    Wang Xiufen1, Xie Yucui2, Wang Jing3

    Oncology Research, Vol.26, No.6, pp. 977-985, 2018, DOI:10.3727/096504017X15037506066252

    Abstract THIS ARTICLE WAS WITHDRAWN BY THE PUBLISHERS IN OCTOBER 2020. More >

  • Open Access

    ARTICLE

    Ailanthone Promotes Human Vestibular Schwannoma Cell Apoptosis and Autophagy by Downregulation of miR-21

    Peizhen Yang*, Dezhong Sun*, Fei Jiang

    Oncology Research, Vol.26, No.6, pp. 941-948, 2018, DOI:10.3727/096504018X15149775533331

    Abstract Ailanthone (AIL) is a quassinoid isolated from the traditional Chinese medicinal herb Ailanthus altissima. The antitumor activities of AIL have been reported in several cancers. The purpose of the present study was to explore the effect of AIL on vestibular schwannomas (VSs). Various concentrations of AIL (0–1 µM) were used to treat human primary VS cells, and then cell viability, proliferation, apoptosis, and autophagy were assessed. Expression of miR-21 in VS cells was altered by miRNA transfection. The functional actions of AIL on miR-21 dysregulated cells were also assessed. AIL significantly reduced the viability of VS… More >

  • Open Access

    ARTICLE

    MicroRNA-103 Promotes Proliferation and Inhibits Apoptosis in Spinal Osteosarcoma Cells by Targeting p57

    Xuesong Wang*, Yong Lin, Lei Peng, Ruifu Sun*, Xiaojin Gong*, Jinlong Du*, Xiugong Zhang*

    Oncology Research, Vol.26, No.6, pp. 933-940, 2018, DOI:10.3727/096504017X15144741233346

    Abstract Osteosarcoma is one of the most aggressive malignancies with poor prognosis rates. Many studies have demonstrated that miRNAs were involved in osteosarcoma, but the role of miR-103a in osteosarcoma remains elusive. In this study, we detected the expression levels of miR-103 in osteosarcoma and non-osteosarcoma tissues and cell lines. The binding effect of miR-103 on p57 was detected by luciferase reporter assay. After altering expressions of miR-103 or p57, viability, migration, invasion, and apoptosis of MG63 cells and expressions of proteins related with the JNK/STAT and mTOR pathways were all detected. We found the higher More >

  • Open Access

    ARTICLE

    MYBL2 Is Targeted by miR-143-3p and Regulates Breast Cancer Cell Proliferation and Apoptosis

    Jianli Chen*1, Xiaowen Chen†1

    Oncology Research, Vol.26, No.6, pp. 913-922, 2018, DOI:10.3727/096504017X15135941182107

    Abstract Breast cancer remains a public health issue on a global scale. The present study aimed to explore the functional role of MYB proto-oncogene like 2 (MYBL2) in breast cancer, as well as underlying mechanisms. The regulatory relationship between miR-143-3p and MYBL2 was analyzed, and the effects of dysregulation of miR-143-3p and MYBL2 on cell proliferation and apoptosis were investigated. The results showed that MYBL2 and miR-143-3p were inversely expressed in breast cancer tissues and cells: MYBL2 was highly expressed, whereas miR-143-3p was lowly expressed. MYBL2 was confirmed as a target gene of miR-143-3p. Suppression of More >

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