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Oncology Letters

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https://www.readbyqxmd.com/read/29469901/expression-of-mir-711-and-mechanism-of-proliferation-and-apoptosis-in-human-gastric-carcinoma
#1
Sheng-Xing Zhu, Xian-Zhou Tong, Shuijun Zhang
[This retracts the article DOI: 10.3892/ol.2017.6777.].
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467911/downregulation-of-the-long-non-coding-rna-taurine-upregulated-gene-1-inhibits-glioma-cell-proliferation-and-invasion-and-promotes-apoptosis
#2
Zhijun Zhao, Bin Wang, Junhai Hao, Weitao Man, Yongkai Chang, Shunchang Ma, Yeshuai Hu, Fusheng Liu, Jun Yang
Expression of the long non-coding RNA taurine-upregulated gene 1 (TUG1) is associated with various aggressive tumors. The present study aimed to investigate the biological function of TUG1 in regulating apoptosis, proliferation, invasion and cell cycle distribution in human glioma U251 cells. Lentivirus-mediated TUG1-specific microRNA was transfected into U251 cells to abrogate the expression of TUG1. Flow cytometry analysis was used to examine the cell cycle distribution and apoptosis of U251 cells. Cellular proliferation was examined using Cell Counting Kit-8 (CCK-8) assays and invasion was examined by Transwell assays...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467910/predictive-value-of-inflammatory-indexes-on-the-chemotherapeutic-response-in-patients-with-unresectable-lung-cancer-a-retrospective-study
#3
Haifeng Sun, Pingping Hu, Jiajun Du, Xinying Wang
Chemotherapy is widely administered to patients with advanced lung cancer; however, data regarding chemotherapeutic sensitivity are limited. The present study aimed to investigate the predictive value of inflammatory indexes for chemotherapeutic efficacy in advanced lung cancer. Patients with stage III and IV unresectable lung cancer that were treated with first-line chemotherapy between January 2007 and December 2011 were retrospectively identified, and chemotherapeutic response was evaluated following 2 or 3 chemotherapy cycles...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467909/apoptosis-sensitizing-activity-of-birinapant-in-head-and-neck-squamous-cell-carcinoma-cell-lines
#4
Roman C Brands, Mario J J Scheurer, Stefan Hartmann, Axel Seher, Alexander C Kübler, Urs D A Müller-Richter
Inhibitor of apoptosis proteins, which are overexpressed in head and neck squamous cell carcinoma (HNSCC), may cause therapeutic resistance. Using SMAC mimetic compounds, including birinapant, to degrade and/or inhibit these proteins and sensitize apoptosis may enhance therapies in HNSCC. Fas expression was analyzed in nine HNSCC cell lines and one keratinocyte cell line via flow cytometry. These cell lines were treated with Fas ligand-Fc (FasL) and birinapant, a bivalent SMAC mimetic, in mono and combination therapies...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467908/long-non-coding-rna-spry4-it1-promotes-the-proliferation-and-invasion-of-u251-cells-through-upregulation-of-ska2
#5
Xiao-Jun He, Er-Bao Bian, Chun-Chun Ma, Chao Wang, Hong-Liang Wang, Bing Zhao
The long non-coding RNA SPRY4-intronic transcript 1 (SPRY4-IT1) has been shown to promote the progression of cancer; however, the role of SPRY4-IT1 in glioma remains unclear. The present study demonstrated that SPRY4-IT1 expression was markedly increased in glioma tissues and cells compared with normal brain tissues, whereas knockdown of SPRY4-IT1 inhibited cell proliferation, migration, and invasion in U251 cells. Spindle and kinetochore associated complex subunit 2 (SKA2) was found to be a target of SPRY4-IT1 and was downregulated by SPRY4-IT1-knockdown...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467907/tgfbr1-6a-is-a-potential-modifier-of-migration-and-invasion-in-colorectal-cancer-cells
#6
Rui Zhou, Ying Huang, Boran Cheng, Yulei Wang, Bin Xiong
Type 1 transforming growth factor β receptor (TGFBR1)*6A, a common hypomorphic variant of TGFBR1, may act as a susceptibility allele in colorectal cancer. However, the contribution of TGFBR1*6A to colorectal cancer development is largely unknown. To test the hypothesis that TGFBR1*6A promotes colorectal cancer invasion and metastasis via Smad-independent transforming growth factor-β (TGF-β) signaling, the effect of TGFBR1*6A on the invasion of colorectal cancer cells was assessed. pCMV5-TGFBR1*6A-HA plasmids were transfected into SW48 and DLD-1 cells by Lipofectamine-mediated DNA transfection...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467906/%C3%AE-elemene-enhances-anticancer-and-anti-metastatic-effects-of-osteosarcoma-of-ligustrazine-in-vitro-and-in-vivo
#7
Min Fang, Xiaolong Mei, Hui Yao, Tao Zhang, Tao Zhang, Na Lu, Yanshi Liu, Wenyue Xu, Chunyou Wan
The present study aimed to determine the anticancer effects of the combination of β-elemene and ligustrazine in vitro as well as in in vivo . Following evaluation using an MTT assay, β-elemene, ligustrazine and the β-elemene-ligustrazine combination treatments all exhibited the capacity to inhibit the growth of OS-732 cells, with inhibitory rates of 43.3, 54.4, and 75.0%, respectively. Using a flow cytometry assay, it was determined that the β-elemene-ligustrazine combination possessed the highest apoptotic rate (30...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467905/-18-f-fdg-pet-ct-and-mri-for-initial-pelvic-lymph-node-staging-in-patients-with-cervical-carcinoma-the-potential-usefulness-of-18-f-fdg-pet-mri
#8
Philip Anner, Marius Mayerhöfer, Wolfgang Wadsak, Silvana Geleff, Robert Dudczak, Alexander Haug, Marcus Hacker, Georgios Karanikas
The current study aimed to determine the optimum diagnostic imaging technique out of magnetic resonance imaging (MRI),18 F-fludeoxyglucose positron emission tomography/computed tomography ([18 F]FDG-PET/CT, otherwise known as PET/CT) and [18 F]FDG-PET/MRI (otherwise known as PET/MRI) for the pelvic lymph node staging (N-staging) of untreated cervical carcinoma (CC). A total of 27 patients were included in the present study. All patients had undergone pre-treatment with PET/CT and MRI ≤45 days prior to undergoing a lymphadenectomy...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467904/human-sodium-iodide-transporter-gene-mediated-imaging-and-therapy-of-mouse-glioma-comparison-between-188-re-and-131-i
#9
Rui Guo, Yun Xi, Min Zhang, Ying Miao, Miao Zhang, Biao Li
Novel treatment options are urgently required for patients with glioma who are not effectively treated through standard therapy. Human sodium iodide symporter (hNIS) is a molecular target of certain tumors types. Compared with131 I,188 Re possesses a higher energy and shorter half-life; therefore, the effects of188 Re and131 I were compared in hNIS-mediated gene imaging and therapy in the present study. Recombinant human brain glioma cell line U87 was transfected with a recombinant lentiviral vector containing hNIS (U87-hNIS)...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467903/effect-of-selective-inhibition-of-aquaporin-1-on-chemotherapy-sensitivity-of-j82-human-bladder-cancer-cells
#10
Xuefeng Zhang, Yun Chen, Liming Dong, Benkang Shi
The occurrence of resistance to mitomycin C (MMC) often limits its clinical effectiveness. Combination therapy thus is employed to overcome this treatment resistance. The present study aimed to establish a novel J82 bladder cancer cell line so as to study the effect of inhibition of aquaporin 1 (AQP-1) on chemotherapy sensitivity of J82 bladder cancer cells. A novel J82 bladder cancer cell line whose expression of AQP-1 is inhibited was established through transfection of J82 cells with newly constructed recombinant plasmid...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467902/remodeling-and-spacing-factor-1-overexpression-is-associated-with-poor-prognosis-in-renal-cell-carcinoma
#11
Xiuwei Zhang, Dongwei Xue, Fengxia Hao, Lingling Xie, Jiani He, Junda Gai, Yuhui Liu, Hongtao Xu, Qingchang Li, Enhua Wang
The present study aimed to assess the expression and prognostic significance of remodeling and spacing factor 1 (RSF1; HBXAP) in renal cell carcinoma (RCC). RSF1 expression was analyzed using immunohistochemistry on tissue samples from a consecutive series of 137 patients with RCC who underwent tumor resection between November 2000 and March 2004. The associations between RSF1 expression, clinicopathological factors and patient survival were investigated. Immunohistochemistry revealed that RSF1 was highly expressed in 43...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467901/ubiquitin-specific-protease-15-promotes-tumor-cell-invasion-and-proliferation-in-glioblastoma
#12
Ke Xu, Hua Pei, Zhenhao Zhang, Huamin Wang, Liang Li, Qianfeng Xia
Glioblastoma multiforme (GBM) is one of the most aggressive types of brain tumor worldwide. Despite the advances made in treatment and research, the median survival time for GBM patients remains <1.5 years, providing impetus for the identification of potential novel therapeutic target genes to improve GBM treatment. The deubiquitinating enzyme ubiquitin specific peptidase 15 (USP15) has emerged as a pro-oncogenic factor; however, its function in GBM has yet to be fully elucidated. The present study sought to determine whether or not USP15 is implicated in GBM cell invasion and proliferation...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467900/overexpression-of-rheb-is-associated-with-metastasis-and-poor-prognosis-in-hepatocellular-carcinoma
#13
Fuchen Liu, Zeya Pan, Jinmin Zhang, Junsheng Ni, Chao Wang, Zhenguang Wang, Fangming Gu, Wei Dong, Weiping Zhou, Hui Liu
Aberrant expression of Ras homolog enriched in brain (RHEB) has been observed in a variety of cancer tissues and is closely associated with clinicopathological features. However, the expression profile of RHEB in patients with hepatocellular carcinoma (HCC) and its clinical signature with underlying mechanisms have not been explored thus far. To analyze the association between RHEB expression and clinicopathological features, the RHEB expression levels were determined in the present study using gene microarrays, immunohistochemistry and western blotting in 60 liver cancer tissues and 35 normal liver tissues...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467899/tnf-%C3%AE-promotes-colon-cancer-cell-migration-and-invasion-by-upregulating-trop-2
#14
Peng Zhao, Zhongtao Zhang
High levels of tumor-associated calcium signal transduction protein (TROP)-2 have been demonstrated to be strongly associated with tumor necrosis factor (TNF)-α levels in colon cancer. In the present study, the effect of TNF-α on the regulation of TROP-2 expression and its effect in colon cancer cell migration and invasion were investigated in vitro . TROP-2 protein levels were evaluated in HCT-116 human colon cancer cells cultured with various concentrations of TNF-α using western blot analysis. Changes in the migratory and invasive potential of the cells were evaluated using a wound healing and transwell assay, respectively...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467898/anticancer-effect-of-mir-96-inhibitor-in-bladder-cancer-cell-lines
#15
Ting Xu, Xiao-Wen Du, Jun-Biao Hu, Yong-Feng Zhu, Hui-Ling Wu, Guo-Ping Dai, Yao-Min Shu, Jun Ouyang
The present study aimed to investigate the role of microRNA-96 (miR-96) in the proliferation, invasion and apoptosis of bladder cancer cell lines, and the associated mechanisms. The expression of miR-96 and human ether-à- go-go -related (HERG1) potassium channel in the normal uroepithelium SV-HUC-1 cell line, and bladder cancer T24 and 5637 cell lines were examined using reverse transcription-polymerase chain reaction or/and western blotting. Transfection with miR-96 inhibitor or scrambled control (SC) was used to study the biological activities of miR-96 in bladder cancer cell lines...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467897/prognostic-significance-of-c-met-%C3%AE-catenin-and-fak-in-patients-with-hepatocellular-carcinoma-following-surgery
#16
Xue-Yi Gong, Ning Ma, Hong-Xu Xu, Fan Chen, Xiao-Hui Huang, Qian Wang
The present study aimed to investigate the prognostic value of specific molecular markers in patients with hepatocellular carcinoma (HCC) who had received surgery. Immunohistochemical analysis was used to measure the expression of hepatocyte growth factor receptor (c-Met), β-catenin and focal adhesion kinase (FAK) in patients with HCC. c-Met expression was identified to be high in patients with larger tumors, higher α-fetoprotein (AFP) levels, higher Edmondson grades, portal vein invasion and higher tumor-node-metastasis (TNM) stages...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467896/17%C3%AE-estradiol-regulates-the-malignancy-of-cancer-stem-like-cells-derived-from-the-mcf7-cell-line-partially-through-sox2
#17
Lian Guo, Feng Li, Mengyuan Wang, Yue Xu, Bangqiong Wang, Dongchuan Ran, Xianxiang Zhang
As a major common malignant tumor in women, the malignant behavior of breast cancer, which includes tumorigenesis and metastasis, is associated with estrogen, particularly 17β-estradiol (E2). With accumulating evidence demonstrating that cancer stem-like cells (CSCs) serve a function in the malignant behavior of breast cancer, including metastasis, recurrence and chemoresistance, the effects of E2 on the physiological processes of CSCs have been attracting more attention. In the present study, in order to investigate the effects of E2 on CSCs, CSCs from the MCF7 breast cancer cell line were isolated and treated with 1, 10 and 50 nM E2...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467895/clinicopathological-and-functional-implications-of-the-inhibitor-of-apoptosis-proteins-survivin-and-xiap-in-esophageal-cancer
#18
Levent Dizdar, Lisa M Jünemann, Thomas A Werner, Pablo E Verde, Stephan E Baldus, Nikolas H Stoecklein, Wolfram T Knoefel, Andreas Krieg
Based on their overexpression and important roles in progression and therapy-resistance in malignant diseases, the inhibitor of apoptosis protein family (IAP) members, survivin and X-linked inhibitor of apoptosis protein (XIAP), represent attractive candidates for targeted therapy. The present study investigated the prognostic and biological relevance of survivin and XIAP in esophageal squamous-cell carcinoma (ESCC) and esophageal adenocarcinoma (EAC). Survivin and XIAP expression was analyzed by immunohistochemistry using tissue microarrays containing 120 ESCC and 90 EAC samples as well as the corresponding non-neoplastic esophageal mucosa samples...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467894/association-between-receptor-interacting-serine-threonine-kinase-2-polymorphisms-and-gastric-cancer-susceptibility
#19
Masafumi Ota, Tomomitsu Tahara, Toshimi Otsuka, Wu Jing, Tomoe Nomura, Ranji Hayashi, Takeo Shimasaki, Masakatsu Nakamura, Tomoyuki Shibata, Tomiyasu Arisawa
The present study aimed to investigate whether single nucleotide polymorphisms in receptor interacting serine/threonine kinase 2 ( RIPK2 ), which encodes a component of the nucleotide binding oligomerization domain containing 2-RIP2 pathway, may compromise the innate immune response to Helicobacter pylori infection, leading to increased susceptibility to gastric cancer in the Japanese population. The present case control study investigated the associations between RIPK2 single nucleotide polymorphisms and gastric mucosal inflammation, atrophy and cancer susceptibility in 528 patients with gastric cancer and 697 patients without gastric malignancies on upper gastro-duodenal endoscopy...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29467893/ifn-%C3%AE-induces-the-upregulation-of-rfxap-via-inhibition-of-mir-212-3p-in-pancreatic-cancer-cells-a-novel-mechanism-for-ifn-%C3%AE-response
#20
Guoping Ding, Liangjing Zhou, Tao Shen, Liping Cao
Previous studies have demonstrated that pancreatic cancer-derived microRNA (miR)-212-3p can inhibit the expression of regulatory factor X-associated protein (RFXAP), an important transcription factor for major histocompatibility complex (MHC) class II, and thereby lead to downregulation of MHC class II in dendritic cells. It has also been established that interferon (IFN)-γ can increase the expression of MHC class II in immune cells. It was therefore hypothesized that IFN-γ can inhibit miR-212-3p expression in pancreatic cancer, leading to the upregulation of RFXAP and MHC class II expression...
March 2018: Oncology Letters
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