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  • Open Access

    ARTICLE

    MicroRNA-373 Promotes Growth and Cellular Invasion in Osteosarcoma Cells by Activation of the PI3K/AKT–Rac1–JNK Pathway: The Potential Role in Spinal Osteosarcoma

    Yufeng Liu*, Zhengliang Cheng, Feng Pan, Weigang Yan§

    Oncology Research, Vol.25, No.6, pp. 989-999, 2017, DOI:10.3727/096504016X14813867762123

    Abstract Spinal osteosarcoma (OS) has been proven to be more difficult to treat owing to potently malignant metastasis. The present study aimed to explore the functional role of microRNA (miR)-373 in cell growth and invasion of OS cells, as well as its underlying mechanism. The expression of miR-373 was analyzed in spinal OS tissues and cell lines. MG-63 cells were transfected with the miR-373 mimic or inhibitor and/or treated with the phosphoinositide 3-kinase (PI3K) (LY294002) inhibitor or Ras-related C3 botulinum toxin substrate 1 (Rac) guanosine triphosphate (GTPase) (NSC23766) inhibitor, and then the impact of miR-373 aberrant… More >

  • Open Access

    ARTICLE

    Protease Serine S1 Family Member 8 (PRSS8) Inhibits Tumor Growth In Vitro and In Vivo in Human Non-Small Cell Lung Cancer

    Chaonan Ma*1, Wei Ma*1, Nannan Zhou*, Na Chen*, Li An, Yijie Zhang*

    Oncology Research, Vol.25, No.5, pp. 781-787, 2017, DOI:10.3727/096504016X14772417575982

    Abstract Protease serine S1 family member 8 (PRSS8), a membrane-anchored serine protease, has been reported to be involved in the development of several human cancers. However, the role of PRSS8 in non-small cell lung cancer (NSCLC) pathogenesis remains unclear. The objective of this study was to investigate PRSS8 expression, biological function, and its related molecular mechanism in NSCLC. Our results showed that PRSS8 was expressed in a low amount in NSCLC cell lines. Ectopic expression of PRSS8 inhibited tumor growth in vitro and in vivo. Furthermore, ectopic expression of PRSS8 inhibited the migration and invasion of More >

  • Open Access

    ARTICLE

    Tumor Protein D52 (TPD52) Inhibits Growth and Metastasis in Renal Cell Carcinoma Cells Through the PI3K/Akt Signaling Pathway

    Zhenhua Zhao1, Hui Liu1, Junqing Hou, Tieqiang Li, Xinyi Du, Xiaolei Zhao, Wenchao Xu, Weibo Xu, Junkai Chang

    Oncology Research, Vol.25, No.5, pp. 773-779, 2017, DOI:10.3727/096504016X14774889687280

    Abstract Tumor protein D52 (TPD52) is a member of the TPD52-like protein family and plays different roles in various types of malignancies. However, its role in renal cell carcinoma (RCC) is still unclear. In this study, we investigated the role of TPD52 in RCC. The mechanism of TPD52 in RCC was also investigated. Our data demonstrated that the expression levels of TPD52 in both mRNA and protein were significantly decreased in RCC cells. Overexpression of TPD52 inhibited proliferation, migration, and invasion with decreased epithelial–mesenchymal transition (EMT) phenotype in RCC cells, as well as attenuated tumor growth More >

  • Open Access

    ARTICLE

    Long Noncoding RNA LINC00261 Suppresses Cell Proliferation and Invasion and Promotes Cell Apoptosis in Human Choriocarcinoma

    Yinan Wang*, Kai Xue, Yonghong Guan*, Yuemei Jin*, Shanshan Liu*, Yichao Wang*, Shuyan Liu*, Ling Wang*, Liying Han*

    Oncology Research, Vol.25, No.5, pp. 733-742, 2017, DOI:10.3727/096504016X14772362173376

    Abstract Choriocarcinoma is one of the gestational trophoblastic neoplasias (GTNs) that originate in the chorionic villi and the extravillous trophoblast. Long noncoding RNAs (lncRNAs) are a type of non-protein-coding RNAs that have recently been implicated in human tumorigenesis. The present study investigated the role of the lncRNA LINC00261 in cell proliferation, metastasis, and apoptosis in choriocarcinoma cell lines. The transcription level of LINC00261 was significantly lower in choriocarcinoma tissues and in choriocarcinoma cell lines. Overexpression of LINC00261 caused a decrease in cell proliferation and arrested the cell cycle at the G0/G1 phase. Furthermore, overexpression of LINC00261 inhibited More >

  • Open Access

    ARTICLE

    Validity of Osteoprotegerin and Receptor Activator of NF-κB Ligand for the Detection of Bone Metastasis in Breast Cancer

    Gamal A. Elfar*†, Mohamed A. Ebrahim, Nehal M. Elsherbiny*, Laila A. Eissa*

    Oncology Research, Vol.25, No.4, pp. 641-650, 2017, DOI:10.3727/096504016X14768398678750

    Abstract Osteoprotegerin (OPG) is a robust antiresorptive molecule that acts as a decoy receptor for the receptor activator of nuclear factor kB ligand (RANKL), the mediator of osteoclastogenesis. This study was designed to explore the possible role of serum OPG and RANKL in detecting bone metastasis in breast cancer and its interaction with clinicopathologic parameters. Serum levels of RANKL and OPG were estimated in 44 metastatic and 36 nonmetastatic breast cancer patients using ELISA kits. Serum OPG levels were significantly reduced in patients with bone metastasis and correlated negatively with the number of bone lesions and… More >

  • Open Access

    ARTICLE

    Significant Radiologic Response of Pancreatic Metastasis After Targeted Therapy of Ceritinib (LDK378) for ALK-Rearranged Lung Adenocarcinoma Presenting With Hyperglycemia

    Jing Zheng, Jianya Zhou, Yanping Zhu, Qian Shen, Jianying Zhou

    Oncology Research, Vol.25, No.4, pp. 545-550, 2017, DOI:10.3727/096504016X14801968368898

    Abstract Pancreatic metastasis from non-small cell lung cancer (NSCLC) is usually asymptomatic or presents with abdominal pain, acute pancreatitis, or jaundice. A lung primary is associated with worse survival compared to pancreatic metastases from other organs. Surgical treatment of solitary metastasis to the pancreas from NSCLC has been reviewed in several studies, one of which had a notable disease-free interval. To our knowledge, there are no prior reports of targeted therapy of pancreatic metastasis of NSCLC followed by a significant response. Herein we report the case of a 31-year-old female with a solitary pancreatic metastasis from ALK-rearranged More >

  • Open Access

    ARTICLE

    Overexpression of Interferon Regulatory Factor 7 (IRF7) Reduces Bone Metastasis of Prostate Cancer Cells in Mice

    Yang Zhao, Wenxia Chen, Weiliang Zhu, Hui Meng, Jie Chen, Jian Zhang

    Oncology Research, Vol.25, No.4, pp. 511-522, 2017, DOI:10.3727/096504016X14756226781802

    Abstract The purpose of this study was to identify the role of interferon regulatory factor 7 (IRF7) in the bone metastasis of prostate cancer. Herein we demonstrated the lower expression of IRF7 in bone metastases of prostate cancer. Overexpression of IRF7 in prostate cancer cells had a marked effect on inhibiting bone metastases but not on tumor growth in xenograft nude mice. While in vitro, upregulation of IRF7 had little effect on the malignant phenotype of prostate cancer cells including proliferation, apoptosis, migration, and invasion. However, prostate cancer cells overexpressing IRF7 significantly enhanced the activity of More >

  • Open Access

    ARTICLE

    High-Level Expression of RIPK4 and EZH2 Contributes to Lymph Node Metastasis and Predicts Favorable Prognosis in Patients With Cervical Cancer

    Susan Azizmohammadi*, Sima Azizmohammadi*, Aghdas Safari, Maria Kaghazian, Mina Sadrkhanlo§, Vahid Behnod, Mehri Seifoleslami#

    Oncology Research, Vol.25, No.4, pp. 495-501, 2017, DOI:10.3727/096504016X14749735594687

    Abstract The investigation of specific genes will establish more useful biomarkers for accurate detection and management of gynecological cancers, especially patients with cervical cancer (CCP). The aim of this study was to evaluate the expression level of RIPK4 and EZH2 messenger RNA (RIPK4 and EZH2 mRNA) in CCP. Expression of RIPK4 and EZH2 in the tissues was determined by immunohistochemistry and qRT-PCR methods. Correlations of RIPK4 and EZH2 mRNA with clinical and pathological parameters were analyzed using the Fisher’s exact test. The mRNA level of RIPK4 was significantly upregulated in tumor tissues compared with matched adjacent… More >

  • Open Access

    ARTICLE

    Demethylation of Repressor Element-1 Silencing Transcription (REST) Suppresses the Malignant Phenotype of Breast Cancer via MMP9

    Ying Liu*†, Hui Lv, Xiaoying Wu, Jun Zhou, Ying Shi#, Jifang Wen*†

    Oncology Research, Vol.25, No.3, pp. 445-454, 2017, DOI:10.3727/096504016X14747368729786

    Abstract Breast cancer is the leading cause of cancer deaths in females all over the world, mainly resulting from metastasis. Previous studies have revealed that repressor element-1 (RE-1) silencing transcription (REST) acted as a tumor suppressor in breast cancer. However, the mechanism by which REST is regulated remains unknown, and its role in the metastasis in breast cancer cells remains unclear. In the present study, we showed that the expression of REST was lower in breast cancer samples than that of adjacent samples by immunohistochemical analysis, which may be due to hypermethylation of the REST promoter.… More >

  • Open Access

    ARTICLE

    Knockdown of DDX46 Inhibits the Invasion and Tumorigenesis in Osteosarcoma Cells

    Feng Jiang1, Dengfeng Zhang1, Guojun Li, Xiao Wang

    Oncology Research, Vol.25, No.3, pp. 417-425, 2017, DOI:10.3727/096504016X14747253292210

    Abstract DDX46, a member of the DEAD-box (DDX) helicase family, is involved in the development of several tumors. However, the exact role of DDX46 in osteosarcoma and the underlying mechanisms in tumorigenesis remain poorly understood. Thus, in the present study, we explored the role of DDX46 in osteosarcoma and the underlying mechanisms. Our results demonstrated that the expression levels of DDX46 in both mRNA and protein were greatly elevated in human osteosarcoma tissues and cell lines. Knockdown of DDX46 obviously inhibited osteosarcoma cell proliferation and tumor growth in vivo. In addition, knockdown of DDX46 also significantly More >

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