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  • Open Access

    ARTICLE

    MicroRNA-342-3p Inhibits the Proliferation, Migration, and Invasion of Osteosarcoma Cells by Targeting Astrocyte-Elevated Gene-1 (AEG-1)

    Shaokun Zhang*, Lidi Liu*, Zhenshan Lv*, Qiao Li*, Weiquan Gong*, Hong Wu

    Oncology Research, Vol.25, No.9, pp. 1505-1515, 2017, DOI:10.3727/096504017X14886485417426

    Abstract Recent studies suggest that microRNAs (miRNAs) are critical regulators in many types of cancer, including osteosarcoma. miR-342-3p has emerged as an important cancer-related miRNA in several types of cancers. However, the functional significance of miR-342-3p in osteosarcoma is unknown. The aims of this study were to investigate whether miR-342-3p is dysregulated in osteosarcoma and to explore the biological function of miR-342-3p in regulating cellular processes of osteosarcoma cells. We found that miR-342-3p expression was significantly decreased in osteosarcoma tissues and cell lines. Overexpression of miR-342-3p inhibits the proliferation, migration, and invasion of osteosarcoma cells. In… More >

  • Open Access

    ARTICLE

    Overexpression of T-box Transcription Factor 5 (TBX5) Inhibits Proliferation and Invasion in Non-Small Cell Lung Carcinoma Cells

    Ruoting Ma*†, Yu Yang*, Qiuyun Tu, Ke Hu

    Oncology Research, Vol.25, No.9, pp. 1495-1504, 2017, DOI:10.3727/096504017X14883287513729

    Abstract T-box transcription factor 5 (TBX5), a member of the conserved T-box transcription factor family that functions in organogenesis and embryogenesis, has recently been identified as a critical player in cancer development. The aim of this study was to determine the role of TBX5 in non-small cell lung carcinoma (NSCLC). Immunohistochemistry was used to detect the correlation between levels of TBX5 and clinicopathological features of NSCLC patients in tissue microarray. Expression of TBX5 in NSCLC tissues and cell lines was evaluated by quantitative PCR and Western blot. The role of TBX5 in regulating proliferation, colony formation,… More >

  • 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

    Procaine Inhibits Proliferation and Migration and Promotes Cell Apoptosis in Osteosarcoma Cells by Upregulation of MicroRNA-133b

    Boda Ying*, Hong Huang, Hongfei Li*, Meng Song*, Sizhan Wu*, Hongliang Ying

    Oncology Research, Vol.25, No.9, pp. 1463-1470, 2017, DOI:10.3727/096504017X14878518291077

    Abstract Procaine (PCA) is a conventional chemotherapeutic agent for osteosarcoma. Recent studies have proposed that the growth-inhibitory effect of PCA is through regulation of microRNAs (miRNAs). miR-133b has been proven to be a tumor suppressor in osteosarcoma, but whether it is involved in the antitumor effects of PCA on osteosarcoma has not been investigated. In this study, we aimed to explore the effects of PCA on osteosarcoma MG63 cells by regulation of miR-133b, as well as its underlying mechanisms. MG63 cells were treated with different concentrations of PCA, and cell viability, apoptosis, and miR-133b expression were… More >

  • Open Access

    ARTICLE

    Basic Transcription Factor 3 Is Required for Proliferation and Epithelial–Mesenchymal Transition via Regulation of FOXM1 and JAK2/STAT3 Signaling in Gastric Cancer

    De-Zhong Zhang*, Bing-He Chen*, Lan-Fang Zhang, Ming-Kun Cheng, Xiang-Jie Fang*, Xin-Jun Wu*

    Oncology Research, Vol.25, No.9, pp. 1453-1462, 2017, DOI:10.3727/096504017X14886494526344

    Abstract Gastric cancer (GC) is the most common epithelial malignancy worldwide. Basic transcription factor 3 (BTF3) plays a crucial role in the regulation of various biological processes. We designed experiments to investigate the molecular mechanism underlying the role of BTF3 in GC cell proliferation and metastasis. We confirmed that BTF3 expression was decreased in GC tissues and several GC cell lines. Lentivirus-mediated downregulation of BTF3 reduced cell proliferation, induced S and G2/M cell cycle arrest, and increased apoptosis. Knockdown of BTF3 significantly reduced the expression of Forkhead box M1 (FOXM1). Upregulation of FOXM1 significantly inhibited the decrease… More >

  • Open Access

    ARTICLE

    Cyclin-Dependent Kinase Inhibitor 3 Promotes Cancer Cell Proliferation and Tumorigenesis in Nasopharyngeal Carcinoma by Targeting p27

    Huimin Wang*, Hexin Chen, Hang Zhou*, Wenfa Yu*, Zhenmin Lu*

    Oncology Research, Vol.25, No.9, pp. 1431-1440, 2017, DOI:10.3727/096504017X14835311718295

    Abstract Nasopharyngeal carcinoma (NPC) is a common malignancy of the head and neck that arises from the nasopharynx epithelium and is highly invasive. Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dualspecificity protein phosphatase family, which plays a key role in regulating cell division. Abnormal expression of CDKN3 has been found in numerous types of cancer. In the current study, we explored the possible role of CDKN3 in cell proliferation, ability to invade, and radiosensitivity in NPC cells. We reported that CDKN3 was upregulated and p27 was downregulated in NPC tissues and is associated with 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

    Gastrin Enhances Autophagy and Promotes Gastric Carcinoma Proliferation via Inducing AMPKα

    Zhuang Kun*†, Guo Hanqing*, Tang Hailing*, Yan Yuan*, Zhang Jun, Zhang Lingxia*, Han Kun*, Zhang Xin*

    Oncology Research, Vol.25, No.8, pp. 1399-1407, 2017, DOI:10.3727/096504016X14823648620870

    Abstract Gastric cancer (GC) is one of the most frequent epithelial malignancies worldwide. The gastrointestinal (GI) peptide gastrin is an important regulator of the secretion and release of gastric acid from stomach parietal cells, and it also plays a vital role in the development and progression of GC. The aim of the current study was to investigate the role and underlying mechanism of gastrin and autophagy in regulating GC tumorigenesis. Gastrin-17 amide (G-17) was applied in the GC cell lines SGC7901 and MGC-803. The results showed that G-17 maintained the high viability of SGC7901 and MGC-803.… More >

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