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  • Open Access

    ARTICLE

    miR-101-3p Suppresses HOX Transcript Antisense RNA (HOTAIR)-Induced Proliferation and Invasion Through Directly Targeting SRF in Gastric Carcinoma Cells

    Xiaoyu Wu*1, Jin Zhou†1, Zhenfeng Wu*, Che Chen*, Jiayun Liu*, Guannan Wu*, Jing Zhai*, Fukun Liu*, Gang Li

    Oncology Research, Vol.25, No.8, pp. 1383-1390, 2017, DOI:10.3727/096504017X14879366402279

    Abstract miR-101-3p has been identified as a tumor suppressor in several cancers, but its exact role in gastric adenocarcinoma is still largely unknown. In this study, we found that, compared with the RGM-1 human normal gastric epithelial cells, miR-101-3p was significantly downregulated in all six human gastric adenocarcinoma cell lines, including BGC-823, MNK-45, MGC-803, SGC-7901, AGS, and HGC-27. Overexpression of miR- 101-3p suppressed both the proliferation and invasion of AGS gastric adenocarcinoma cells, and knockdown of miR-101-3p displayed the opposite effect. In addition, miR-101-3p could directly target and suppress the expression of the serum response factor More >

  • Open Access

    ARTICLE

    Function of miR-152 as a Tumor Suppressor in Human Breast Cancer by Targeting PIK3CA

    Shuke Ge*, Dan Wang, Qinglong Kong, Wei Gao*, Jiayi Sun*

    Oncology Research, Vol.25, No.8, pp. 1363-1371, 2017, DOI:10.3727/096504017X14878536973557

    Abstract miR-152, as a tumor suppressor, has been reported to be downregulated in a number of cancer cell lines and tumor tissues, including breast cancer. This study aimed to investigate the role of miR-152 in human breast cancer and its underlying mechanisms. Human breast cancer cell line HCC1806 was transfected with hsa-miR- 152-3p mimic, inhibitor, or scrambled negative controls. The efficiency of miR-152-3p transfection was evaluated by quantitative real-time PCR, and the effects on cell viability and apoptosis as well as on the PI3K/AKT signaling pathway were investigated by MTT assay, flow cytometry, and Western blot… More >

  • Open Access

    ARTICLE

    Knockdown of Angiopoietin-Like Protein 2 Inhibits Proliferation and Invasion in Glioma Cells via Suppressing the ERK/MAPK Signaling Pathway

    Li-Kun Yang*1, Jie Zhu*1, Yu-Hua Chen†1, Dong-Liang Wang, Hua Li§, Liang-Jun Zhang§, Jing-Ru Zhou, Wei Liu

    Oncology Research, Vol.25, No.8, pp. 1349-1355, 2017

    Abstract Angiopoietin-like protein 2 (ANGPTL2), a member of the glycoprotein family, is mainly secreted by adipose tissues under normal conditions. Recently, ANGPTL2 has been found to be upregulated in some types of cancers and is considered to be a tumor promoter. However, the functional significance of ANGPTL2 in glioma has not yet been elucidated. In this study, we investigated the specific role of ANGPTL2 in glioma. The results showed that ANGPTL2 was highly expressed in glioma tissues and cell lines. Knockdown of ANGPTL2 reduced the proliferative and invasive abilities of glioma cells. Moreover, the tumorigenesis assay More >

  • Open Access

    ARTICLE

    Overexpression of MicroRNA-216a Suppresses Proliferation, Migration, and Invasion of Glioma Cells by Targeting Leucine-Rich Repeat-Containing G Protein-Coupled Receptor 5

    Junfeng Zhang*1, Kun Xu†1, Lili Shi*, Li Zhang*, Zhaohua Zhao*, Hao Xu*, Fei Liang*, Hongbo Li*, Yan Zhao*, Xi Xu*, Yingfang Tian

    Oncology Research, Vol.25, No.8, pp. 1317-1327, 2017, DOI:10.3727/096504017X14874323871217

    Abstract Increasing studies have suggested that microRNAs (miRNAs) are involved in the development of gliomas. MicroRNA-216a has been reported to be a tumor-associated miRNA in many types of cancer, either as an oncogene or as a tumor suppressor. However, little is known about the function of miR-216a in gliomas. The present study was designed to explore the potential role of miR-216a in gliomas. We found that miR-216a was significantly decreased in glioma tissues and cell lines. Overexpression of miR-216a significantly suppressed the proliferation, migration, and invasion of glioma cells. Leucine-rich repeat-containing G protein-coupled receptor 5 (LGR5) More >

  • Open Access

    ARTICLE

    MicroRNA-520b Suppresses Proliferation, Migration, and Invasion of Spinal Osteosarcoma Cells via Downregulation of Frizzled-8

    Jin Wang*, Wenquan Pang*, Zhenbai Zuo*, Wenyan Zhang*, Weidong He

    Oncology Research, Vol.25, No.8, pp. 1297-1304, 2017, DOI:10.3727/096504017X14873430389189

    Abstract Spinal osteosarcoma (OS) is a malignant tumor that has a poor outcome. MicroRNA-520b (miR-520b) acts as a cancer suppressor in various types of cancer. Because of the limited amount of literature on OS, we aimed to identify the role of miR-520b in OS. The miR-520b level in clinical spinal OS tissues and adjacent nontumor tissues as well as in cell lines was assessed. The effect of miR-520b on cell proliferation, migration, invasion, and frizzled-8 (FZD8) degradation were all evaluated. Alterations of key proteins involved in the Wnt/b-catenin pathway were assessed by Western blot analysis. In… More >

  • Open Access

    ARTICLE

    MicroRNA-133b Inhibits Proliferation, Cellular Migration, and Invasion via Targeting LASP1 in Hepatocarcinoma Cells

    Hui Li*, Zhigang Xiang*, Yan Liu*, Bin Xu*, Jianzhou Tang

    Oncology Research, Vol.25, No.8, pp. 1269-1282, 2017, DOI:10.3727/096504017X14850151453092

    Abstract MicroRNAs (miRs), a class of small noncoding RNAs, are key gene regulators through inducing translational repression or degradation of their target genes. However, the regulatory mechanism of miR-133b underlying hepatocellular carcinoma (HCC) growth and metastasis remains largely unclear. Here we found that miR-133b was significantly downregulated in HCC tissues and cell lines. Moreover, low miR-133b levels were significantly associated with the malignant progression of HCC. LASP1, upregulated in HCC tissues and cell lines, was then identified as a novel target of miR-133b in HCC HepG2 and Hep3B cells. Moreover, the increased expression of LASP1 was… More >

  • Open Access

    ARTICLE

    Knockdown of FOXK1 Suppresses Proliferation, Migration, and Invasion in Prostate Cancer Cells

    Fang Chen*1, Wei Xiong*†1, Ke Dou, Qing Ran*

    Oncology Research, Vol.25, No.8, pp. 1261-1267, 2017, DOI:10.3727/096504017X14871164924588

    Abstract Forkhead box K1 (FOXK1) is a member of the FOX transcription factor family and plays an important role in the development of several tumors. However, the role of FOXK1 in the progression of prostate cancer remains unknown. Thus, the objectives of this study were to detect the expression of FOXK1 in prostate cancer and to examine its role in prostate cancer cells. We found that the expression of FOXK1 at both the mRNA and protein levels was significantly upregulated in human prostate cancer cell lines. In addition, the downregulation of FOXK1 obviously inhibited the cell… More >

  • Open Access

    ARTICLE

    Knockdown of TRIM44 Inhibits the Proliferation and Invasion in Prostate Cancer Cells

    Yuying Tan*, Hanxin Yao, Jinghai Hu, Lingyun Liu§

    Oncology Research, Vol.25, No.8, pp. 1253-1259, 2017, DOI:10.3727/096504017X14854310794561

    Abstract Tripartite motif 44 (TRIM44), a member of the TRIM protein family, has been shown to play a role in tumor development and progression. However, the potential involvement of TRIM44 in prostate cancer has not been fully explored. Therefore, in the present study, we analyzed the expression of TRIM44 in prostate cancer and assessed the role of TRIM44 in the progression of prostate cancer. Our results showed that the expression of TRIM44 was significantly upregulated in human prostate cancer cell lines. In addition, knockdown of TRIM44 significantly inhibited the proliferation, migration, and invasion of prostate cancer More >

  • Open Access

    ARTICLE

    Gamma Irradiation Upregulates B-cell Translocation Gene 2 to Attenuate Cell Proliferation of Lung Cancer Cells Through the JNK and NF-κB Pathways

    Peihe Wang*, Yuanyuan Cai*, Dongju Lin, Yingxiao Jiang*

    Oncology Research, Vol.25, No.7, pp. 1199-1205, 2017, DOI:10.3727/096504017X14873444858101

    Abstract Gamma ray can promote cancer cell apoptosis and cell cycle arrest. It is often used in the clinical treatment of tumors, including lung cancer. In this study, we aimed to explore the role of gamma ray treatment and its correlation with BTG2 in cell proliferation, apoptosis, and cell cycle arrest regulation in a lung cancer cell line. A549 cell viability, apoptosis rate, and cell cycle were investigated after gamma ray treatment. We then used siRNA for BTG2 to detect the effect of BTG2 knockdown on the progress of gamma ray-treated lung cancer cells. Finally, we… More >

  • Open Access

    ARTICLE

    MicroRNA-133a Inhibits Proliferation of Gastric Cancer Cells by Downregulating ERBB2 Expression

    Chang Li*, Xiaoping Li, Shuohui Gao*, Chang Li, Lianjun Ma§

    Oncology Research, Vol.25, No.7, pp. 1169-1176, 2017, DOI:10.3727/096504017X14847395834985

    Abstract Gastric cancer is the fourth most common type of cancer and the second highest leading cause of cancer-related deaths worldwide. It has already been established that miR-133a is involved in gastric cancer. In this study, we investigated the molecular mechanisms by which miR-133a inhibits the proliferation of gastric cancer cells. We analyzed the proliferative capacity of human gastric cancer cells SNU-1 using an MTT assay. Cell apoptosis was determined using flow cytometry. The expression levels of ERBB2, p-ERK1/2, and p-AKT in SNU-1 cells were determined using Western blot analysis. To confirm that ERBB2 is a… More >

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