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Oncology Reports

Yali Chen, Qianxiang Zhou, Lei Zhang, Ran Wang, Meihua Jin, Yuling Qiu, Dexin Kong
Increasing resistance of imatinib, a BCR-ABL tyrosine kinase inhibitor, hinders its use in the therapy of chronic myeloid leukemia (CML). The PI3K pathway is known to be closely involved in BCR-ABL transformation and the tumorigenesis of CML, suggesting that PI3K may be a potential target for CML therapy. Idelalisib, a specific inhibitor of PI3K p110δ, has been approved for the treatment of chronic lymphocytic leukemia (CLL). However, the antileukemia effect of idelalisib on CML remains unknown. In the present study, the antileukemia activity of idelalisib alone or in combination with imatinib was investigated by use of K562 cells...
October 17, 2016: Oncology Reports
Xin Zhou, Ping Wang, Ying-Jian Zhang, Jin-Jin Xu, La-Mei Zhang, Lin Zhu, Li-Ping Xu, Xiao-Min Liu, Huan-Huan Su
The present study aimed to investigate the proteomic difference between melanosis coli (MC) alone and melanosis coli with colon cancer (MCCC). Protein expression in patients with different diseases was analyzed using two-dimensional gel electrophoresis and matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF/TOF-MS). A total of 14 protein differences with a confidence level of >95% were found. There were six differences between MC and normal tissues, in which two proteins exhibited upregulated expression levels and four proteins exhibited downregulated expression levels in MC...
October 17, 2016: Oncology Reports
Wenzhong Yi, Enhua Xiao, Ru Ding, Ping Luo, Yi Yang
Fibronectin is a glycoprotein of the extracellular matrix, and regulates the processes of self-renewal and cell cycle progression. This study aimed to investigate fibronectin expression in colorectal cancer (CRC) and elucidate the effects of fibronectin on CRC by using a knockdown approach. Immunohistochemistry was used to evaluate the expression of fibronectin in 107 CRC patient tissues and gene expression was detected by real-time quantitative PCR (qPCR) and western blot analysis. Based on the above findings, the association among fibronectin expression, clinicopathological features and prognosis was analyzed...
October 17, 2016: Oncology Reports
Lin Xu, Zhu Wang, Shan-Yang He, Su-Fen Zhang, Hong-Jiao Luo, Kai Zhou, Xiao-Fei Li, Shao-Peng Qiu, Kai-Yuan Cao
Prostate cancer (PCa) is one of the most common malignant tumors and the second leading cause of cancer-related death among males. Bax-interacting factor-1 (Bif-1) is a member of Endophilin family, which binds to and activates the BAX protein in response to the apoptosis signaling pathway. Loss of Bif-1 may suppress the intrinsic pathway of apoptosis and promote tumorigenesis, but there is also converse evidence that Bif-1 could in part be responsible for the tumorigenesis and the role of Bif-1 in PCa development is not clear...
October 14, 2016: Oncology Reports
Juan Xu, Yujia Qian, Min Ye, Ziyi Fu, Xuemei Jia, Wenqu Li, Pengfei Xu, Mingming Lv, Lei Huang, Luyu Wang, Hongjie Ruan, Juan Lv
Endometrial carcinoma (EC) is the most common malignancy in women. Dispite its prevalence, the prognosis of endometrial carcinoma still relies on conventional histological type, grade and invasion information. Its morbidity is still increasing and the outcome is very poor. To the best of our knowledge, hormonal imbalance and/or molecular genetic alterations are the main cause of EC. However, the alterations of lncRNAs which accounts for approximately 4/5 of human transcripts are still poorly understood. In the present study, using the RiboArray™ Custom Array, we studied the expression profiles of lncRNA in EC as compared to normal endometrium (NE) to find potential core lncRNAs for the diagnosis of EC...
October 14, 2016: Oncology Reports
Yuh-Feng Tsai, Ching-Wen Huang, Jo-Hua Chiang, Fuu-Jen Tsai, Yuan-Man Hsu, Chi-Cheng Lu, Chen-Yu Hsiao, Jai-Sing Yang
Gadolinium (Gd) compounds are important as magnetic resonance imaging (MRI) contrast agents, and are potential anticancer agents. However, no report has shown the effect of gadolinium chloride (GdCl3) on osteosarcoma in vitro. The present study investigated the apoptotic mechanism of GdCl3 on human osteosarcoma U-2 OS cells. Our results indicated that GdCl3 significantly reduced cell viability of U-2 OS cells in a concentration-dependent manner. GdCl3 led to apoptotic cell shrinkage and DNA fragmentation in U-2 OS cells as revealed by morphologic changes and TUNEL staining...
October 14, 2016: Oncology Reports
Hailong Zhang, Liang Qiao, Xiaopeng Li, Yang Wan, Li Yang, Huijuan Wang
Lymph node metastasis is a decisive prognostic and therapeutic staging factor for colorectal cancer (CRC), which is one of the most prevalent types of cancer and a malignant tumor. The metabolic profiling of tissue samples from a large cohort of lymph node non‑metastatic CRC patients (n=73), lymph node metastatic CRC patients (n=52) and normal controls (n=41) was performed using 1H nuclear magnetic resonance (NMR) together with multivariate statistical analyses. Excellent separation was obtained between CRC patients and normal controls, and CRC patients were also perfectly classified according to lymph node metastasis...
October 14, 2016: Oncology Reports
Lei You, Xiaoxia Ren, Yongxing Du, Wenjing Zhao, Ming Cui, Ge Chen, Yupei Zhao
Pathogenesis of pancreatic ductal adenocarcinoma (PDAC) is thought to develop through the progression of precursor lesions, known as pancreatic intraepithelial neoplasias (PanIN). In the present study, we showed that c-Fos promoted proliferation, cell cycle and migration in pancreatic cancer cells. Caerulein was used to accelerate the pathogenesis of Pdx-cre; KrasG12D mice. During PanIN formation and development of PDAC, the expression of ERK and c-Fos increased concomitantly. When ERK activity was inhibited by U0126, the expression of c-Fos also decreased...
October 13, 2016: Oncology Reports
Caiyun Tang, Lingqi Gong, Wenli Zou, Jie Zhang, Yuqian Zhou, Xiaoping Wu, Fanggen Lu, Chunhui Ouyang, Xiaowei Liu
Gastroenteropancreatic neuroendocrine tumors (GEP‑NETs) are relatively uncommon. Unfortunately, epidemiological studies on the incidence of GEP‑NETs worldwide have reported a marked increase in the detection of these tumors. Although they often exhibit relatively indolent clinical courses, GEP‑NETs have the potential for lethal progression, especially in patients who present with advanced disease. Early detection and surgical removal is currently the only reliable curative treatment for GEP‑NET patients...
October 13, 2016: Oncology Reports
Xiubing Zhang, Lu Hua, Daliang Yan, Fengbo Zhao, Jinxia Liu, Huiling Zhou, Jie Liu, Miaomiao Wu, Chengliang Zhang, Yingying Chen, Buyou Chen, Baoying Hu
Poly(C)‑binding protein 2 (PCBP2) is a member of the PCBP family, and plays an important role in post‑transcriptional and translational regulation of various signaling molecules through direct binding to single‑stranded poly(C) motifs. PCBP2 has been reported to play a critical role in the development of multiple human tumors. However, whether PCBP2 participates in hepatocellular carcinoma (HCC) development remains largely elusive. Herein, we showed that PCBP2 was upregulated in human HCC tissues and cell lines...
October 13, 2016: Oncology Reports
Ying Wang, Tao Liu, Ning Yang, Shuo Xu, Xingang Li, Donghai Wang
Glioblastoma (GBM) is a highly malignant brain tumor characterized by invasion tendency. Macrophage infiltration is associated with GBM invasion, but the mechanisms remain unclear. Hypoxia is an outstanding characteristic of GBM tissue. Hypoxia microenvironment modulates the biological behaviors of both tumor cells and infiltrated immune cells, including macrophages. In the present study, we analyzed the effects of hypoxia and macrophages on invasion of GBM cells and its potential mechanisms. We found that both hypoxia and macrophage supernatant promoted GBM cells invasion and matrix metalloproteinase (MMP)-9 expression, and hypoxia modulated the invasive activity of GBM cells by upregulating their CCR5 expression...
October 13, 2016: Oncology Reports
Eun Young Park, Joo-Il Kim, Dong-Gyu Leem, Ji-Sun Shin, Kyung-Tack Kim, Sang Yoon Choi, Myung-Hee Lee, Jung-Hye Choi, Yong Sup Lee, Kyung-Tae Lee
Previously, we reported that (E)-8-acetoxy-2-[2-(3,4-diacetoxyphenyl)ethenyl]-quinazoline (8-ADEQ), a synthetic analogue of resveratrol had anti-inflammatory and G2/M cell cycle arrest activities, but the underlying molecular mechanism of cytotoxic effects of this compound was not determined. In this study, 8-ADEQ displayed potent cytotoxicity and triggered apoptosis in HL-60 cells as evidenced by DNA fragmentation, DNA ladder formation, and the externalization of Annexin V-targeted phosphatidylserine residues in HL-60 cells...
October 13, 2016: Oncology Reports
Guangcai Li, Yuan He, Jun Yao, Chuying Huang, Xiusheng Song, Yan Deng, Sheng Xie, Jie Ren, Meng Jin, Huiguo Liu
Angelicin is a member of a well-known class of chemical photosensitizes that have anticancer proper-ties in several cancer cell lines. However, the effects and the potential underlying mechanisms of angelicin action on human lung cancer cells remain unclear. Here, we report that angelicin has an essential role in inhibiting human lung carcinoma growth and metastasis. We found that angelicin markedly induced cell apoptosis and arrested the cell cycle in vitro. Angelicin also inhibited the migration of non-small cell lung cancer (NSCLC) A549 cells in a Transwell assay in a dose-dependent manner...
October 12, 2016: Oncology Reports
Rulin Sun, Santao Zhang, Xing Lu, Wenjun Hu, Ning Lou, Yan Zhao, Jia Zhou, Xiaoping Zhang, Hongmei Yang
Cancer-induced muscle wasting, which commonly occurs in cancer cachexia, is characterized by impaired quality of life and poor patient survival. To identify an appropriate treatment, research on the mechanism underlying muscle wasting is essential. Thus far, studies on muscle wasting using cancer cachectic models have generally focused on early cancer cachexia (ECC), before severe body weight loss occurs. In the present study, we established models of ECC and late cancer cachexia (LCC) and compared different stages of cancer cachexia using two cancer cachectic mouse models induced by colon-26 (C26) adenocarcinoma or Lewis lung carcinoma (LLC)...
October 12, 2016: Oncology Reports
Anliang Huang, Dan Yue, Danying Liao, Liuliu Cheng, Jinhu Ma, Yuquan Wei, Aiping Tong, Ping Cheng
Arsenic trioxide (ATO) has demonstrated clinical efficacy in acute promyelocytic leukemia (APL) and in vitro activity in various solid tumors. As2O3 as single agent exhibits poor efficacy for treatment of hepatocellular carcinoma (HCC) in phase II trial, suggesting that new modalities of treatment with enhanced therapeutic effect and alleviated toxicity are needed for application of As2O3 on patients with HCC. Survivin is the strongest inhibitor of apoptosis protein over-expressed in tumors, which has been proposed as an attractive target for new anticancer interventions...
October 11, 2016: Oncology Reports
Bing Chen, Jin Zhao, Shengbin Zhang, Yonggang Zhang, Zonghai Huang
Cap-dependent translation has an essential role in the control of cell proliferation by initiating the translation of oncogenes involved in the regulation of cell cycle progression, such as cyclin D1, and its deregulation contributes to the development and progression of various types of cancers. Hematopoietic pre-B-cell leukemia transcription factor interacting protein (HPIP) was found to be overexpressed in gastric cancer (GC) tissues compared to normal tissues and to promote GC growth in vitro and in vivo...
October 11, 2016: Oncology Reports
Xiang Sun, Hongwei Zhang, Longhua Luo, Kezhao Zhong, Yushui Ma, Linlin Fan, Da Fu, Lijuan Wan
The identification of markers for disease diagnostic, prognostic, or predictive purposes will have a great effect in improving patient management. Proteomic‑based approaches for biomarker discovery are promising strategies used in cancer research. In this study, we performed quantitative proteomic analysis on four patients including clear cell renal cell carcinoma (ccRCC) and paired adjacent non‑cancerous renal tissues using label‑free quantitative proteomics and liquid chromatography‑tandem mass spectrometry (LC‑MS/MS) to identify differentially expressed proteins...
October 11, 2016: Oncology Reports
Xiu-Bo Sang, Kai-Xuan Sun, Li-Li Wang, Shuo Chen, Dan-Dan Wu, Zhi-Hong Zong, Yang Zhao
Cancer stem cells are considered to be the root cause of tumor initiation, metastasis, recurrence and therapeutic resistance. Recent studies have reported that RhoC plays a critical role in regulating cancer stem cells; however, its function in ovarian cancer stem cells (OCSCs) remains unknown. The ovarian cancer cell line A2780, and the paclitaxel-resistant A2780 cell line (A2780-PTX) were obtained. A2780 cells were used to isolate and identify the highly invasive A2780-PM cells, and A2780-PTX cells were used to isolate and identify the highly drug-resistant and highly invasive A2780-PTX-PM cells by Transwell assay...
October 11, 2016: Oncology Reports
Shanmei Du, Helou Li, Xiaochun Sun, Dongsheng Li, Yong Yang, Zehua Tao, Qian Li, Kui Liu
MicroRNA (miRNA) is a type of endogenous non‑coding RNA implicated in various cellular processes. Studies have shown that miR-124 is involved in the malignant progression of cancer, but little is known concerning its potential role in breast cancer. Therefore, the purpose of this study was to conduct a functional analysis of miR-124 in breast cancer, and to identify its target genes in this disease. To this end, we used quantitative real-time PCR to examine the expression level of miR-124 in breast cancer tissue specimens and cell lines...
October 11, 2016: Oncology Reports
Jianwei Zhu, Ya Yang, Sihong Liu, Huihua Xu, Yong Wu, Guiqiang Zhang, Yuxuan Wang, Yan Wang, Yamin Liu, Qifeng Guo
Osteosarcoma is a high‑grade malignant tumor frequently found in children and adolescents. Thalidomide has been reported for treatment of various malignancies. Thalidomide was added to osteosarcoma cells and studied by cytotoxicity assay, evaluating apoptosis, cell cycle arrest, mitochondrial membrane potential (ΔΨm), and reactive oxygen species (ROS) levels and the expression of Bcl‑2, Bax, caspase‑3 and NF‑κB. The results showed that thalidomide could inhibit the proliferation of MG‑63 and U2OS cells in a concentration‑ and time‑dependent manner...
October 11, 2016: Oncology Reports
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