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  • Open Access

    ARTICLE

    MicroRNA-342 Prohibits Proliferation and Invasion of Melanoma Cells by Directly Targeting Zinc-Finger E-Box-Binding Homeobox 1

    Quan Shi*†, Qi He*, Jing Wei*

    Oncology Research, Vol.26, No.9, pp. 1447-1455, 2018, DOI:10.3727/096504018X15193823766141

    Abstract As documented in numerous studies, microRNAs (miRNAs) play key roles in various biological processes associated with melanoma occurrence and development. In this study, we found that miRNA-342 (miR-342) was significantly downregulated in melanoma tissues and cell lines. Additionally, the ectopic expression of miR-342 prohibited the cell proliferation and invasion of melanoma. Moreover, zinc-finger E-box-binding homeobox 1 (ZEB1) was identified as a direct target gene of miR-342 in melanoma. Similar with the results induced by miR-342 overexpression, ZEB1 knockdown attenuated cell proliferation and invasion in melanoma. Furthermore, the restoration of ZEB1 expression reversed the suppressive effects More >

  • Open Access

    ARTICLE

    MicroRNA-935 Inhibits Proliferation and Invasion of Osteosarcoma Cells by Directly Targeting High Mobility Group Box 1

    Zhiqiang Liu*1, Qiang Li*1, Xin Zhao, Bin Cui*, Libo Zhang*, Qiang Wang*

    Oncology Research, Vol.26, No.9, pp. 1439-1446, 2018, DOI:https://doi.org/10.3727/096504018X15189093975640

    Abstract Numerous studies have suggested that microRNAs (miRNAs) are dysregulated in osteosarcoma (OS), implicating miRNAs in OS initiation and progression. Therefore, knowledge of aberrantly expressed miRNAs in OS may provide novel mechanistic insights into the tumorigenesis and tumor development of OS and facilitate therapeutic methods for patients with this aggressive bone neoplasm. In this study, data obtained from reverse transcription quantitative polymerase chain reaction (RT-qPCR) revealed that miR-935 was significantly decreased in OS tissues and cell lines. Restoration expression of miR-935 obviously restricted proliferation and invasion of OS cells. In addition, high-mobility group box 1 (HMGB1)… More >

  • Open Access

    ARTICLE

    MicroRNA-331 Inhibits Proliferation and Invasion of Melanoma Cells by Targeting Astrocyte-Elevated Gene-1

    Li Chen, Guozhang Ma, Xiaohui Cao, Xiaoxia An, Xiguang Liu

    Oncology Research, Vol.26, No.9, pp. 1429-1437, 2018, DOI:10.3727/096504018X15186047251584

    Abstract Melanoma is characterized by aggressive invasion, early metastasis, and resistance to existing chemotherapeutic agents. Accumulated studies have reported that microRNA (miRNA) is a potentially robust molecular tool for developing future therapeutic technologies. Therefore, examining the expression patterns, biological roles, and associated mechanisms of cancer-related miRNAs in melanoma is essential for developing novel therapeutic targets for patients with this disease. In this study, miRNA-331 (miR-331) was underexpressed in melanoma tissues and cell lines. Functional assays revealed that the enforced expression of miR-331 inhibited cell proliferation and invasion. In addition, astrocyte-elevated gene-1 (AEG-1) was identified as a More >

  • Open Access

    ARTICLE

    Long Noncoding RNA H19 Promotes Proliferation and Invasion in Human Glioma Cells by Downregulating miR-152

    Lei Chen, Yuhai Wang, Jianqing He, Chunlei Zhang, Junhui Chen, Dongliang Shi

    Oncology Research, Vol.26, No.9, pp. 1419-1428, 2018, DOI:10.3727/096504018X15178768577951

    Abstract miR-152 and lncRNA H19 have been frequently implicated in various cellular processes including cell proliferation, invasion, angiogenesis, and apoptosis. However, the interaction between miR-152 and H19 in glioma has never been reported. RT-qPCR was used to examine the expression of miR-152 and H19 in human glioma cell lines and normal human astrocytes (NHAs). The interaction between miR-152 and lncRNA H19 was assessed by dual-luciferase reporter assay. MTT assay and Transwell invasion assay were used to determine the proliferation and invasion of U251 and U87 cells. A xenograft tumor experiment was performed to confirm the role… More >

  • Open Access

    ARTICLE

    MicroRNA-744 Inhibits Cellular Proliferation and Invasion of Colorectal Cancer by Directly Targeting Oncogene Notch1

    Jian Shen, Minzhe Li

    Oncology Research, Vol.26, No.9, pp. 1401-1409, 2018, DOI:10.3727/096504018X15188747585738

    Abstract Accumulated studies have strongly implicated aberrantly expressed microRNAs (miRNAs) in carcinogenesis and cancer progression of various cancers, including colorectal cancer (CRC). Hence, a comprehensive study of miRNAs and their association with CRC may be a promising therapeutic method for patients with this malignancy. MicroRNA-744 (miR-744) is abnormally expressed in several types of human cancer. Thus far, little is known about the expression, biological roles, and exact mechanisms of miR-744 in CRC. Thus, the present study measured the expression level of miR-744 and investigated its roles and associated molecular mechanisms in CRC. This study demonstrated that… More >

  • Open Access

    ARTICLE

    MicroRNA-511 Inhibits Cellular Proliferation and Invasion in Colorectal Cancer by Directly Targeting Hepatoma-Derived Growth Factor

    Saifei He*1, Guangdong Wang†1, Jing Ni*, Juhua Zhuang*, Suiliang Zhuang, Guoyu Wang*, Ying Ye*, Wei Xia*

    Oncology Research, Vol.26, No.9, pp. 1355-1363, 2018, DOI:10.3727/096504018X15154094331876

    Abstract Dysregulated microRNA (miRNA) expression is involved in the occurrence and development of colorectal cancer (CRC) through the regulation of various important physiological events. Hence, miRNAs may be used as effective targets for CRC treatment; however, this hypothesis warrants further investigation. miRNA-511 (miR-511) plays vital roles in the progression of different tumor types. However, the expression, exact role, and the mechanisms underlying the regulation of colorectal carcinogenesis and progression by miR-511 remain poorly understood. This study presents that miR-511 expression was decreased in CRC tissues and cell lines compared with that in adjacent nonneoplastic tissues and More >

  • Open Access

    ARTICLE

    Tumor-Suppressive MicroRNA-708 Targets Notch1 to Suppress Cell Proliferation and Invasion in Gastric Cancer

    Xuyan Li*1, Xuanfang Zhong†1, Xiuhua Pan, Yan Ji§

    Oncology Research, Vol.26, No.9, pp. 1317-1326, 2018, DOI:10.3727/096504018X15179680859017

    Abstract Growing evidence has demonstrated that numerous microRNAs (miRNAs) may participate in the regulation of gastric carcinogenesis and progression. This phenomenon suggests that gastric cancer-related miRNAs can be identified as effective therapeutic targets for this disease. miRNA-708 (miR-708) has recently been reported to be aberrantly expressed in several types of cancer and contribute to carcinogenesis and progression. However, the expression level, biological roles, and underlying mechanisms of miR-708 in gastric cancer are poorly understood. Here we found that miR-708 was downregulated in gastric cancer tissues and cell lines. Downregulated miR-708 expression was significantly associated with lymphatic… More >

  • Open Access

    ARTICLE

    Long Noncoding RNA GAS5 Promotes Proliferation, Migration, and Invasion by Regulation of miR-301a in Esophageal Cancer

    Wei Li, Weidong Zhao, Zhaohui Lu, Wen Zhang, Xuan Yang

    Oncology Research, Vol.26, No.8, pp. 1285-1294, 2018, DOI:10.3727/096504018X15166193231711

    Abstract Long noncoding RNA (lncRNA) growth arrest-specific transcript 5 (GAS5) has been revealed to be associated with the progression of various cancers. However, the biological roles of GAS5 in esophageal cancer (EC) remain unclear. We aimed to thoroughly explore the functions of GAS5 in EC. The results showed that GAS5 expression was increased in EC cells (ECA109, TE-1, TE-3, and EC9706) compared to SHEE cells. Knockdown of GAS5 decreased cell viability, migration, and invasion and induced apoptosis in EC9706 cells. Moreover, miR-301a appeared to be directly sponged by GAS5, and miR-301a suppression obviously alleviated the protumor More >

  • Open Access

    ARTICLE

    MicroRNA-598 Inhibits Cell Proliferation and Invasion of Glioblastoma by Directly Targeting Metastasis Associated in Colon Cancer-1 (MACC1)

    Ning Wang*1, Yang Zhang†1, Huaxin Liang

    Oncology Research, Vol.26, No.8, pp. 1275-1283, 2018, DOI:10.3727/096504018X15185735627746

    Abstract The dysregulation of microRNA (miRNA) expression is closely related with tumorigenesis and tumor development in glioblastoma (GBM). In this study, we found that miRNA-598 (miR-598) expression was significantly downregulated in GBM tissues and cell lines. Restoring miR-598 expression inhibited cell proliferation and invasion in GBM. Moreover, we validated that metastasis associated in colon cancer-1 (MACC1) is a novel target of miR-598 in GBM. Restoring MACC1 expression reversed the inhibitory effects of miR-598 overexpression on GBM cells. In addition, miR-598 overexpression suppressed Met/ AKT pathway activation in GBM. Our results provided compelling evidence that miR-598 serves More >

  • Open Access

    ARTICLE

    B7-Homolog 4 Promotes Epithelial–Mesenchymal Transition and Invasion of Bladder Cancer Cells via Activation of Nuclear Factor-κB

    Haoran Wu1, Xugang Wang1, Naixin Mo, Liang Zhang, Xiaoliang Yuan, Zhong Lü

    Oncology Research, Vol.26, No.8, pp. 1267-1274, 2018, DOI:10.3727/096504018X15172227703244

    Abstract B7-homolog 4 (B7-H4), a member of the B7 family of costimulatory molecules, has been reported to be upregulated in urothelial cell carcinoma. This study was conducted to explore the biological role of B7-H4 in the aggressiveness of bladder cancer and the associated molecular mechanism. We found that the mRNA and protein levels of B7-H4 were significantly greater in bladder cancer cell lines than in SV-HUC-1 (normal human urothelial cells). Overexpression of B7-H4 significantly promoted bladder cancer cell migration and invasion, whereas knockdown of B7-H4 exerted an opposite effect. However, the growth of bladder cancer cells More >

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