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  • Open Access

    ARTICLE

    Downregulation of Calcium-Binding Protein S100A9 Inhibits Hypopharyngeal Cancer Cell Proliferation and Invasion Ability Through Inactivation of NF-κB Signaling

    Ping Wu, Huatao Quan, Jing Kang, Jian He, Shi Luo, Chubo Xie, Jing Xu, Yaoyun Tang, Suping Zhao

    Oncology Research, Vol.25, No.9, pp. 1479-1488, 2017, DOI:10.3727/096504017X14886420642823

    Abstract Hypopharyngeal cancer (HPC) frequently presents at an advanced stage and displays early submucosal spread, resulting in a poor prognosis. It is among the worst of all cancers in the head and neck subsites. Therefore, detection of HPC at an earlier stage would be beneficial to patients. In this study, we used differential in-gel electrophoresis (DIGE) and two-dimensional polyacrylamide gel electrophoresis (2-DE) proteomics analysis to identify the potential biomarkers for HPC. Among the differential proteins identified, calcium-binding protein S100A9 was overexpressed in HPC tissues compared with normal adjacent tissues, and S100A9 expression in metastatic tissues and… More >

  • Open Access

    ARTICLE

    Long Noncoding RNA MEG3 Suppresses Glioma Cell Proliferation, Migration, and Invasion by Acting as a Competing Endogenous RNA of miR-19a

    Nan Qin*1, Gui-Feng Tong†1, Li-Wei Sun, Xiao-Lin Xu

    Oncology Research, Vol.25, No.9, pp. 1471-1478, 2017, DOI:10.3727/096504017X14886689179993

    Abstract Glioma, with varying malignancy grades and histological subtypes, is the most common primary brain tumor in adults. Long noncoding RNAs (lncRNAs) are non-protein-coding transcripts and have been proven to play an important role in tumorigenesis. Our study aims to elucidate the combined effect of lncRNA maternally expressed gene 3 (MEG3) and microRNA-19a (miR-19a) in human glioma U87 and U251 cell lines. Real-time PCR revealed that MEG3 was downregulated and miR-19a was upregulated in malignant glioma tissues and cell lines. Bioinformatics analyses (TargetScan, miRanda, and starBase V2.0) showed that phosphatase and tensin homolog (PTEN) is a… More >

  • Open Access

    ARTICLE

    MicroRNA-133b Inhibits Cell Proliferation and Invasion in Osteosarcoma by Targeting Sirt1

    Shi Ying*, Huang Jianjun, Yi Xue*, Yu Shuwei*, Zhang Liyuan*, Wang Jie*, Cheng Lixian*

    Oncology Research, Vol.25, No.9, pp. 1421-1430, 2017, DOI:10.3727/096504016X14826089198805

    Abstract MicroRNAs are a class of small noncoding RNAs that function as critical gene regulators through targeting mRNAs for translational repression or degradation. In this study, we showed that the miR-133b expression level was decreased while the Sirt1 mRNA expression level was increased in osteosarcoma tissue and cell lines. A low expression of miR-133b was significantly associated with tumor size, distant metastasis, and advanced clinical stage. In addition, osteosarcoma patients with a low miR-133b expression showed a worse prognosis when compared to those with a high level of miR-133b expression. Thus, we identified Sirt1 as a More >

  • Open Access

    ARTICLE

    MicroRNA-107 Promotes Proliferation, Migration, and Invasion of Osteosarcoma Cells by Targeting Tropomyosin 1

    Rui Jiang*, Chao Zhang, Guangyao Liu*, Rui Gu*, Han Wu*

    Oncology Research, Vol.25, No.8, pp. 1409-1419, 2017, DOI:10.3727/096504017X14882829077237

    Abstract Osteosarcoma is the most common primary bone malignancy manifested predominantly in children and young adults. Studies indicate that miR-107 is involved in the pathogenesis of osteosarcoma and that tropomyosin 1 (TPM1) acts as a tumor suppressor in many types of cancer. In this study, we analyzed the effect of miR-107 on human osteosarcoma cells and investigated the mechanism in which TPM1 is involved. miR-107 expression in human osteosarcoma tissues and cells was analyzed in quantitative real-time PCR (qRT-PCR). Human osteosarcoma (U2OS) cells were transfected with miR-107 mimic, inhibitor, or scramble controls to evaluate the effect… More >

  • 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

    Highly Expressed Antisense Noncoding RNA in the INK4 Locus Promotes Growth and Invasion of Renal Clear Carcinoma Cells via the β-Catenin Pathway

    Qingchun Li*, Yuan Tian, Guangrui Hu, Yun Liang, Wei Bai, Hongjun Li

    Oncology Research, Vol.25, No.8, pp. 1373-1382, 2017, DOI:10.3727/096504017X14878509668646

    Abstract Long noncoding RNA (lncRNA) antisense noncoding RNA in the INK4 locus (ANRIL) is involved in several human cancers. However, the role of ANRIL in renal cell carcinoma (RCC) remains unclear. This study aimed to explore whether, and how, ANRIL affects the progression of RCC. First, the expression of ANRIL in clinical tumor tissues and four kinds of RCC cell lines was evaluated. After transfection, cell viability, colony number, apoptosis, migration, and invasion were assessed. The expression of proteins related to apoptosis, epithelial-tomesenchymal transition (EMT), and the β-catenin signaling pathway was then assessed. In addition, the… 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

    TRAF4 Regulates Migration, Invasion, and Epithelial–Mesenchymal Transition via PI3K/AKT Signaling in Hepatocellular Carcinoma

    Kairui Liu*, Xiaolin Wu*, Xian Zang, Zejian Huang*, Zeyu Lin, Wenliang Tan*, Xiang Wu*, Wenrou Hu*, Baoqi Li*, Lei Zhang*

    Oncology Research, Vol.25, No.8, pp. 1329-1340, 2017, DOI:10.3727/096504017X14876227286564

    Abstract Overexpression of the tumor necrosis factor receptor-associated factor 4 (TRAF4) has been detected in many cancer types and is considered to foster tumor progression. However, the role of TRAF4 in hepatocellular carcinoma (HCC) remains elusive. In this study, we found that TRAF4 was highly expressed in HCC cell lines and HCC tissues compared with normal liver cell lines and adjacent noncancerous tissues. TRAF4 overexpression in HCC tissues was correlated with tumor quantity and vascular invasion. In vitro studies showed that TRAF4 was associated with HCC cell migration and invasion. An in vivo study verified that 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 >

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