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  • Open Access

    ARTICLE

    Emodin Inhibits Colon Cancer Cell Invasion and Migration by Suppressing Epithelial–Mesenchymal Transition via the Wnt/β-Catenin Pathway

    Juan Gu*, Chang-fu Cui, Li Yang, Ling Wang*, Xue-hua Jiang*

    Oncology Research, Vol.27, No.2, pp. 193-202, 2019, DOI:10.3727/096504018X15150662230295

    Abstract Colon cancer (CC) is the third most common cancer worldwide. Emodin is an anthraquinone-active substance that has the ability to affect tumor progression. Our study aims to explore the effects and the relevant mechanism of emodin on the invasion and migration of CC in vitro and in vivo. In our study, we found that emodin inhibited the invasion and migration abilities of RKO cells and decreased the expression of matrix metalloproteinase-7 (MMP-7), MMP-9, and vascular endothelial growth factor (VEGF) in a dose-dependent manner. Further research suggested that emodin inhibited EMT by increasing the mRNA level… More >

  • Open Access

    ARTICLE

    H19 Facilitates Tongue Squamous Cell Carcinoma Migration and Invasion via Sponging miR-let-7

    Ni Kou*1, Sha Liu*1, Xiaojie Li*, Wuwei Li*, Weijian Zhong*, Lin Gui*, Songling Chai*, Xiang Ren*, Risu Na*, Tao Zeng, Huiying Liu*

    Oncology Research, Vol.27, No.2, pp. 173-182, 2019, DOI:10.3727/096504018X15202945197589

    Abstract The long noncoding RNA (lncRNA) H19 has been described to participate in the metastasis of various tumors. Nevertheless, whether H19 promotes or impedes tongue squamous cell carcinoma (TSCC) cell migration and invasion remains controversial. Here we found that the expression of H19 was elevated in TSCC tissues compared with adjacent normal tissues. Moreover, we demonstrated that the expression of H19 was higher in metastasized tumors compared with unmetastasized tumors. Consistently, TSCC cells express higher levels of H19 than human squamous cells. Subsequently, depletion of H19 impaired the migration and invasion abilities of TSCC cells. Mechanistically, More >

  • Open Access

    ARTICLE

    miR-30c Impedes Glioblastoma Cell Proliferation and Migration by Targeting SOX9

    Shihui Liu, Xiuxiu Li, Sujing Zhuang

    Oncology Research, Vol.27, No.2, pp. 165-171, 2019, DOI:10.3727/096504018X15193506006164

    Abstract miR-30c has been acknowledged as a tumor suppressor in various human cancers, such as ovarian cancer, gastric cancer, and prostate cancer. However, the role of miR-30c in glioblastoma (GBM) needs to be investigated. In our study, we found that the expression of miR-30c was significantly downregulated in GBM tissues and cell lines. We found that overexpression of miR-30c inhibited cellular proliferation of GBM cells in vitro and in vivo. More GBM cells were arrested in the G0 phase after miR-30c overexpression. Moreover, we showed that miR-30c overexpression suppressed the migration and invasion of GBM cells. Mechanistically, More >

  • Open Access

    ARTICLE

    miR-26b Mimic Inhibits Glioma Proliferation In Vitro and In Vivo Suppressing COX-2 Expression

    Zheng-Gang Chen*, Chuan-Yi Zheng*, Wang-Qing Cai, Da-Wei Li*, Fu-Yue Ye*, Jian Zhou*, Ran Wu*, Kun Yang*

    Oncology Research, Vol.27, No.2, pp. 147-155, 2019, DOI:10.3727/096504017X15021536183517

    Abstract Glioma is the most common malignant tumor of the nervous system. Studies have shown the microRNA-26b (miR-26b)/cyclooxygenase-2 (COX-2) axis in the development and progression in many tumor cells. Our study aims to investigate the effect and mechanism of the miR-26b/COX-2 axis in glioma. Decreased expression of miR-26b with increased levels of COX-2 was found in glioma tissues compared with matched normal tissues. A strong negative correlation was observed between the level of miR-26b and COX-2 in 30 glioma tissues. The miR-26b was then overexpressed by transfecting a miR-26b mimic into U-373 cells. The invasive cell More >

  • Open Access

    ARTICLE

    Profilin 2 Promotes Proliferation and Metastasis of Head and Neck Cancer Cells by Regulating PI3K/AKT/b-Catenin Signaling Pathway

    Kecheng Zhou*†1, Jie Chen*†1, Jiayu Wu*†1, Yangxinzi Xu, Qiaoyun Wu*†, Jingjing Yue*†, Yu Song§, Shengcun Li*†, Peng Zhou, Wenzhan Tu*†, Guanhu Yang*†, Songhe Jiang*†

    Oncology Research, Vol.27, No.9, pp. 1079-1088, 2019, DOI:10.3727/096504019X15579146061957

    Abstract Profilin 2 (PFN2) was found to be mainly expressed in neurons and involved in the development of the brain. In recent years, emerging evidence indicated that PFN2 is also significantly upregulated in various cancers including head and neck cancer (HNSC) and influences cancer cell proliferation, migration, and invasion. However, the role of PFN2 in HNSC development and progression remains unclear. The aim of our study was to investigate the role of PFN2 in the development of HNSC and its possible molecular mechanisms. Bioinformatics showed that increased expression of PFN2 in tumors correlated highly with poor… More >

  • Open Access

    ARTICLE

    Exosomal miR-1228 From Cancer-Associated Fibroblasts Promotes Cell Migration and Invasion of Osteosarcoma by Directly Targeting SCAI

    Jian-Wei Wang, Xiao-Feng Wu, Xiao-Juan Gu, Xing-Hua Jiang

    Oncology Research, Vol.27, No.9, pp. 979-986, 2019, DOI:10.3727/096504018X15336368805108

    Abstract Cancer-associated fibroblasts (CAFs) play a predominant role in regulating tumor progression. Understanding how CAFs communicate with osteosarcoma is crucial for developing novel approaches for osteosarcoma therapy. Exosomes are able to transmit messages between cells. In this study, we demonstrated that CAFs transfer exosomes to osteosarcoma cells, which promotes osteosarcoma cell migration and invasion. Using a miRNA microarray analysis, we identified 13 miRNAs that are significantly increased in exosomes derived from cancer-associated fibroblasts (CAFs) and corresponding paracancer fibroblasts (PAFs). In vitro studies further validated that the levels of microRNA-1228 (miR-1228) were increased in CAFs, its secreted More >

  • Open Access

    ARTICLE

    Upregulated lncRNA CASC2 May Inhibit Malignant Melanoma Development Through Regulating miR-18a-5p/RUNX1

    Yankun Zhang*, Wei Qian*, Feng Feng, Qian Cao*, Yanqi Li*, Ying Hou*, Luyang Zhang*, Jufeng Fan*

    Oncology Research, Vol.27, No.3, pp. 371-377, 2019, DOI:10.3727/096504018X15178740729367

    Abstract This study aimed to investigate the effect and underlying mechanism of lncRNA CASC2 in malignant melanoma (MM). Expression of CASC2 in MM tissues and cells was detected. A375 cells were transfected with pc-CASC2, si-CASC2, miR-18a-5p inhibitor, or corresponding controls, and then cell proliferation, migration, and invasion were detected using MTT assay, colony formation assay, and Transwell analysis, respectively. The relationship of miR-18a-5p and CASC2 or RUNX1 was detected by luciferase reporter assay. The levels of CASC2 and RUNX1 were significantly reduced in MM tissues compared with normal skin tissues or cells, while the miR-18a-5p level… More >

  • Open Access

    ARTICLE

    lncRNA BCAR4 Increases Viability, Invasion, and Migration of Non-Small Cell Lung Cancer Cells by Targeting Glioma-Associated Oncogene 2 (GLI2)

    Hongliang Yang*1, Lei Yan†1, Kai Sun, Xiaodong Sun, Xudong Zhang,§ Kerui Cai, Tiejun Song*

    Oncology Research, Vol.27, No.3, pp. 359-369, 2019, DOI:10.3727/096504018X15220594629967

    Abstract This study aimed to explore the effects of lncRNA BCAR4 on the viability and aggressiveness of non-small cell lung cancer (NSCLC) cells. qRT-PCR was used to determine the expression of BCAR4 and GLI2 downstream genes in NSCLC tissues and cell lines. Chromatin isolation by RNA purification (CHIRP) and Western blot were employed to measure the expression of the GLI2 downstream proteins. Ki-67 expression in nude mice tumors was tested by immunohistochemistry. MTT assay, wound healing assay, and Transwell assay were used to assess NSCLC cell viability and aggressiveness, respectively. Tumor xenograft was conducted to determine the… More >

  • Open Access

    ARTICLE

    lncRNA MNX1-AS1 Promotes Glioblastoma Progression Through Inhibition of miR-4443

    Yan Gao, Yongchuan Xu, Jue Wang, Xue Yang, Lulu Wen, Juan Feng

    Oncology Research, Vol.27, No.3, pp. 341-347, 2019, DOI:10.3727/096504018X15228909735079

    Abstract Long noncoding RNAs (lncRNAs) have been acknowledged as important regulators in various human cancers. lncRNA MNX1-AS1 has been shown to be an oncogene in epithelial ovarian cancer. However, the function of MNX1-AS1 in glioblastoma (GBM) remains largely unknown. Here we found that the expression of MNX1-AS1 was significantly upregulated in GBM tissues and cell lines. Knockdown of MNX1-AS1 significantly inhibited the proliferation, migration, and invasion of GBM cells. In terms of mechanism, we found that MNX1-AS1 could bind to miR-4443 in GBM cells. Overexpression of miR-4443 significantly inhibited the expression of MNX1-AS1 and vice versa. More >

  • Open Access

    ARTICLE

    miR-455 Functions as a Tumor Suppressor Through Targeting GATA6 in Colorectal Cancer

    Hua Yunqi*1, Yin Fangrui†1, Yang Yongyan*, Jin Yunjian*, Zhang Wenhui*, Cao Kun*, Li Min*, Liu Xianfeng*, Ba Caixia*

    Oncology Research, Vol.27, No.3, pp. 311-316, 2019, DOI:10.3727/096504018X15220579006875

    Abstract Emerging evidence indicates that microRNAs (miRNAs) are often aberrantly expressed in human cancers. Meanwhile, the importance of miRNAs in regulating multiple cellular biological processes has been appreciated. The aim of this study was to investigate the significance of miR-455 and identify its possible mechanism in regulating colorectal cancer (CRC) progression. We found that the expression of miR-455 was sharply reduced in CRC tissues and cell lines. Importantly, the low expression of miR-455 was associated with poor overall survival of CRC patients. Overexpression of miR-455 in CRC cell lines significantly inhibited cell proliferation and migration in More >

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