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https://www.readbyqxmd.com/read/28454463/reduced-ebp50-expression-levels-are-correlated-with-unfavorable-clinicopathological-features-of-extrahepatic-bile-duct-carcinoma-and-promote-the-proliferation-and-migration-of-qbc939-cells
#1
Duiping Feng, Ying Xiong, Zhiqiang Peng, Qiang Ma, Tao Tao, Hua Liu, Jianfang Liang, Zhigang Wei, Junfang Zheng, Lei Wang, Hui Zhang
The present study aimed to clarify the association between ezrin-radixin-moesin-binding phosphoprotein-50 (EBP50) expression level and the tumor phenotype and clinicopathological features of extrahepatic bile duct carcinoma. Tissue samples from patients with extrahepatic bile duct carcinoma (54 cases) and patients with normal bile duct epithelia from gallbladder of cholecystitis (20 cases) were collected, and immunohistochemical staining was used to detect the expression levels of EBP50 in these tissues. In addition, small interfering (si)RNA-EBP50 was used to knock down the expression of EBP50 in the QBC939 human cholangiocarcinoma (CC) cell line...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454462/effects-of-irradiation-on-radioresistance-hotair-and-epithelial-mesenchymal-transition-cancer-stem-cell-marker-expression-in-esophageal-squamous-cell-carcinoma
#2
Chunli Da, Li Wu, Yuting Liu, Ruozheng Wang, Ruiguang Li
Radiotherapy is a common therapeutic strategy used to treat esophageal squamous cell carcinoma (ESCC). However, tumor cells often develop radioresistance, thereby reducing treatment efficacy. Here, we aimed to identify the mechanisms through which ESCC cells develop radioresistance and identify associated biomarkers. Eca109 cells were exposed to repeated radiation at 2 Gy/fraction for a total dose of 60 Gy (Eca109R60/2Gy cells). MTT and colony formation assays were performed to measure cell proliferation and compare the radiation biology parameters of Eca109 and Eca109R60/2Gy cells...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454461/prognostic-value-of-mlh1-promoter-methylation-in-male-patients-with-esophageal-squamous-cell-carcinoma
#3
Dongping Wu, Xiaoying Chen, Yan Xu, Haiyong Wang, Guangmao Yu, Luping Jiang, Qingxiao Hong, Shiwei Duan
The DNA mismatch repair (MMR) gene MutL homolog 1 (MLH1) is critical for the maintenance of genomic integrity. Methylation of the MLH1 gene promoter was identified as a prognostic marker for numerous types of cancer including glioblastoma, colorectal, ovarian and gastric cancer. The present study aimed to determine whether MLH1 promoter methylation was associated with survival in male patients with esophageal squamous cell carcinoma (ESCC). Formalin-fixed, paraffin-embedded ESCC tissues were collected from 87 male patients...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454458/survivin-downregulation-using-sirna-nanoliposomes-inhibits-cell-proliferation-and-promotes-the-apoptosis-of-mhcc-97h-hepatic-cancer-cells-an-in-vitro-and-in-vivo-study
#4
Ziqin Liu, Tianyou Wang, Zhaoxia Zhang, Suoqin Tang, Shunqiao Feng, Mei Yue, Mengze Hu, Litian Xuan, Yanfei Chen
At present, survivin is one of the most cancer-specific proteins that has been identified. The present study aimed to investigate the antitumor effects of novel survivin small interfering RNA (siRNA) nanoliposomes targeting survivin in human hepatocellular carcinoma MHCC-97H cells and xenograft mouse models. Survivin-targeted siRNA nanoliposomes were prepared and transfected into MHCC-97H cells and MHCC-97H-bearing nude mice. Survivin expression was analyzed using reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454451/expression-of-glp-1-receptor-and-cd26-in-human-thyroid-c-cells-the-association-of-thyroid-c-cell-tumorigenesis-with-incretin-based-medicine
#5
Yuejia Song, Min Zhou, Yang Cao, Jiping Qi, Jingshu Geng, Xiaomin Liu
Recent reports have demonstrated that long-term and high dosage treatments with incretin-based medicine, such as hormone glucagon-like peptide-1 (GLP-1) may induce thyroid C-cell pathological changes in rodents, rather than in humans. Doubts regarding the tumorigenic potential of GLP-1 analogues in human thyroid C-cells remain. The present study aimed to determine the expression levels of GLP-1 receptor (GLP-1R) and cluster of differentiation 26 (CD26) in the C-cells of thyroid tissues from non-neoplastic, medullary carcinoma and hyperplasia subjects, and to explore the potential clinical significance...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454450/de-novo-myoepithelial-carcinoma-with-multiple-metastases-arising-from-a-submandibular-salivary-gland-a-case-report
#6
Karina Cecília Panelli Panelli Santos, Hidenobu Matsuzaki, Teruhisa Unetsubo, Shimo Tsuyoshi, Hitoshi Nagatsuka, Jun-Ichi Asaumi
Salivary gland carcinomas are rare tumors, representing ~0.5% of all malignancies. Myoepithelioma is also uncommon, representing ~1% of all salivary gland tumors. Myoepithelial carcinoma (MC) is even rarer, representing 0.2 to 0.6% of all salivary gland tumors. We herein report a case of MC with multiple metastases arising from a submandibular gland in a 71-year-old male patient and present the associated imaging findings. The patient was considered to have a de novo type of myoepithelial carcinoma, which is reportedly associated with higher malignancy than the transformation type of the disease (i...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454443/mir-185-3p-regulates-the-invasion-and-metastasis-of-nasopharyngeal-carcinoma-by-targeting-wnt2b-in-vitro
#7
Chao Liu, Guo Li, Shuling Ren, Zhongwu Su, Yunyun Wang, Yongquan Tian, Yong Liu, Yuanzheng Qiu
MicroRNAs (miRs) have been recognised as important regulators of malignant behaviour in different types of human cancer, including nasopharyngeal carcinoma (NPC). A previous study by our group revealed that miR-185-3p regulates the radioresistance of NPC cells. The present study aimed to investigate the effect of miR-185-3p on NPC invasion and metastasis. Human NPC CNE-2 and 5-8F cell lines were transfected with a miR-185-3p mimic and miR-185-3p inhibitor, respectively, and their effects on the invasion and metastasis of these cells was assessed using a wound healing assay and Matrigel invasion assay...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454439/oct4-induces-emt-through-lef1-%C3%AE-catenin-dependent-wnt-signaling-pathway-in-hepatocellular-carcinoma
#8
Lu Sun, Tianhua Liu, Shu Zhang, Kun Guo, Yinkun Liu
Octamer 4 (Oct4), a member of the Pit-Oct-Unc transcription factor family required to maintain self-renewal and pluripotency of embryonic stem cells, has been previously identified to be associated with tumorigenesis and malignant transformation of numerous types of cancer including hepatocellular carcinoma (HCC). The present data shows that Oct4 enhances cancer stem cell properties and increases invasion ability in the Huh7 cell line. To increase understanding of the role of Oct4 in HCC, the present study used a functional genomics approach and analyzed the resulting transcriptional profiles to identify Oct4-dependent genes in Huh7...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454435/15-deoxy-%C3%AE-12-14-prostaglandin-j2-inhibits-migration-of-human-thyroid-carcinoma-cells-by-disrupting-focal-adhesion-complex-and-adherens-junction
#9
Ya-Chieh Wu, Yun-Ting Jhao, Yu-Chen Cheng, Ying Chen
Metastasis is frequently observed in human follicular thyroid carcinoma. The present study investigated the peroxisome proliferator-activated receptor γ agonist, 15-deoxy-Δ(12,14)-prostaglandin J(2) (15d-PGJ2), and its effect on the migration of CGTH W-2 human thyroid carcinoma cells. 15d-PGJ2 decreased the survival rate of CGTH W-2 cells in a dose-dependent manner. The Transwell migration assay demonstrated that 15d-PGJ2 reduced the migration rate of CGTH W-2 cells by 35% following treatment with 30 µM 15d-PGJ2 compared with control cells...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454432/prognostic-and-predictive-role-of-cox-2-xrcc1-and-rassf1-expression-in-patients-with-esophageal-squamous-cell-carcinoma-receiving-radiotherapy
#10
Yaowen Zhang, Shangwen Dong, Ruiping Xu, Yanping Yang, Zhiyong Zheng, Xiaojing Wang, Runchuan Ren, Ronggang Sun, Ming Li, Haijun Yang, Yuting Huang, Fuyou Zhou, Anping Zheng
Identification of biomarkers for predicting radiosensitivity would be useful for administering individualized radiotherapy (RT) to patients with esophageal cancer. The aim of the present study was to evaluate the association between cyclooxygenase-2 (COX-2), X-ray repair cross complementing group 1 (XRCC1), ras association domain family 1 (RASSF1) protein expression, clinicopathological characteristics, radiosensitivity and survival rate in 76 patients with esophageal squamous cell carcinoma (ESCC) who were treated with RT...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454431/cytokeratin-17-and-ki-67-immunohistochemical-markers-for-the-differential-diagnosis-of-keratoacanthoma-and-squamous-cell-carcinoma
#11
Cem Leblebici, Esra Pasaoglu, Canan Kelten, Seher Darakci, Nevra Dursun
The clinical and histopathological distinction between keratoacanthoma (KA) and squamous cell carcinoma (SCC) is essential, but frequently difficult to make. The utility of CK17 and Ki-67 expression in distinguishing between KA and SCC was investigated. Immunohistochemical staining patterns for CK17 and Ki-67 were evaluated in 24 KA and 27 SCC cases. The pattern of staining was evaluated as central, peripheral or diffuse, according to the basal/peripheral and suprabasal/central cell staining of tumor lobules...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454428/the-regulation-of-proteins-associated-with-the-cytoskeleton-by-hepatitis-b-virus-x-protein-during-hepatocarcinogenesis
#12
Fanyun Kong, Hongjuan You, Renxian Tang, Kuiyang Zheng
Hepatocellular carcinoma (HCC) is a major malignant disease worldwide, and chronic hepatitis B virus (HBV) infection is one of the primary causes for this type of cancer. Hepatitis B virus X protein (HBx) is a non-structural protein encoded by the viral genome that has significant effects on the pathogenesis of HCC. With the development of high-throughput assays and technologies, the abnormal HBx-induced expression of certain cellular proteins with assorted biological functions has been investigated. These target proteins identified by various methods include specific proteins associated with the cellular cytoskeleton, which contribute to HBx-induced hepatocarcinogenesis...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454423/the-nutritional-herb-epimedium-grandiflorum-inhibits-the-growth-in-a-model-for-the-luminal-a-molecular-subtype-of-breast-cancer
#13
Nitin T Telang, Gou Li, Meena Katdare, Daniel W Sepkovic, H Leon Bradlow, George Y C Wong
The Luminal A subtype of breast cancer expresses the estrogen receptor (ER)-α and progesterone receptor (PR), but not the human epidermal growth factor receptor (HER)-2 oncogene. This subtype of breast cancer responds to endocrine therapy involving the use of selective estrogen receptor modulators and/or inhibitors of estrogen biosynthesis. However, these therapeutic agents are frequently associated with long-term systemic toxicity and acquired tumor resistance, emphasizing the need to identify non-toxic alternative treatments for chemo-endocrine therapy responsive breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454413/na7crcuw11o39-16h2o-induces-apoptosis-in-human-ovarian-cancer-skov3-cells-through-the-p38-signaling-pathway
#14
Hai-Ying Liu, Xiu-Li Pan, Jia-Nan Tian, Hui Sun, Qing Huan, Yu-Ling Huang, Jian-Qiao Liu
Ovarian carcinoma is a common malignant disease worldwide with a poor therapeutic response. The present study investigated the effects of Na7CrCuW11O39.16H2O (CrCuW11) on ovarian cancer cell growth and investigated the mechanisms underlying its actions. The effects of CrCuW11 on cell viability and apoptosis were measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay, acridine orange/ethidium bromide staining and electron microscopy in human ovarian cancer SKOV3 cells. The expression of bcl-2-like protein 4 (Bax), B-cell lymphoma 2 (Bcl-2), cytochrome c, phosphorylated (p)-p38 and p38 was determined by western blot analysis...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454409/expression-of-imp3-as-a-marker-for-predicting-poor-outcome-in-gastroenteropancreatic-neuroendocrine-neoplasms
#15
Li-Mian Er, Yong Li, Ming-Li Wu, Qun Zhao, Bi-Bo Tan, Xiao-Ling Wang, Shi-Jie Wang
The aim of the present study was to investigate the expression and clinical significance of oncofetal protein insulin-like growth factor (IGF) II mRNA-binding protein 3 (IMP3) in the differentiation of gastroenteropancreatic neuroendocrine neoplasm (GEP-NEN). A total of 162 patients who were diagnosed with GEP-NEN, and who underwent surgical or endoscopic resection from January 2006 to March 2013, were enrolled in the study, including 85 cases of grade (G)1 neuroendocrine tumors, 40 cases of G2 neuroendocrine tumors, 28 cases of G3 neuroendocrine carcinomas and 9 cases of mixed stage adenoneuroendocrine carcinomas...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454405/expression-of-b-cell-translocation-gene-2-is-associated-with-favorable-prognosis-in-hepatocellular-carcinoma-patients-and-sensitizes-irradiation-induced-hepatocellular-carcinoma-cell-apoptosis-in-vitro-and-in-nude-mice
#16
Yuanyuan Chen, Chuan Chen, Zhimin Zhang, He Xiao, Bijing Mao, Huan Huang, Chenchen Ding, Lin Lei, Hui Zhang, Jian Li, Mei Jiang, Ge Wang
B-cell translocation gene 2 (BTG2) proteins have been reported to be putative tumor suppressors in various cancer types. The present study first assessed BTG2 expression in 44 human liver cancer tissue specimens, then investigated BTG2 expression in the regulation of hepatocellular carcinoma (HCC) cell apoptosis with or without radiotherapy in vitro and in vivo. The results revealed that BTG2 protein expression was significantly reduced in HCC tissues, and associated with better survival for HCC patients (P=0...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454399/inhibition-of-lung-cancer-growth-by-hangamdan-b-is-mediated-by-macrophage-activation-to-m1-subtype
#17
Hye-Rin Park, Eun-Ji Lee, Seong-Cheol Moon, Tae-Wook Chung, Keuk-Jun Kim, Hwa-Seung Yoo, Chong-Kwan Cho, Ki-Tae Ha
Re-education of tumor-associated macrophages (TAMs) toward antitumor effectors may be a promising therapeutic strategy for the successful treatment of cancer. HangAmDan-B (HAD-B), a herbal formula, has been used for stimulating immune function and activation of vital energy to cancer patients in traditional Korean Medicine. Previous studies have reported the anti-angiogenic and anti-metastatic effects of HAD-B; however, evidence on the immunomodulatory action of HAD-B was not demonstrated. In the present study, immunocompetent mice were used to demonstrate the suppression of the in vivo growth of allograft Lewis lung carcinoma (LLC) cells, by HAD-B...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454397/sphingosine-kinase-1-a-novel-independent-prognosis-biomarker-in-hepatocellular-carcinoma
#18
Huajie Cai, Xuemeng Xie, Ling Ji, Xiaojiao Ruan, Zhihai Zheng
Sphingosine kinase 1 (Sphk1) is an oncogenic kinase that is responsible for the phosphorylation of sphingosine to sphingosine-1-phosphate (S1P). Mounting evidence suggests that Sphk1 serves a crucial role in the proliferation and development of a variety of human cancer cells. However, the role of Sphk1 in hepatocellular carcinoma (HCC) has not been fully elucidated. Therefore, the expression of Sphk1 was examined in 127 formalin-fixed, paraffin-embedded HCC tissues using immunohistochemistry, and its clinical implications and prognostic significance were analyzed...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454396/treatment-with-the-herbal-formula-songyou-yin-inhibits-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma-through-downregulation-of-tgf-%C3%AE-1-expression-and-inhibition-of-the-smad2-3-signaling-pathway
#19
Susu Zheng, Qingan Jia, Hujia Shen, Xin Xu, Jiajia Ling, Chuyu Jing, Boheng Zhang
It was previously reported that treatment with the herbal formula Songyou Yin (SYY) may serve a role in attenuating epithelial-mesenchymal transition (EMT). In the present study, the effect of treatment with SYY on transforming growth factor-β1 (TGF-β1)-induced EMT was investigated and the potential underlying molecular mechanisms were evaluated. MHCC97H cells were pretreated with SYY for 4 weeks and subsequently named MHCC97HSYY cells. Simultaneously, MHCC97H cells were cultured for 4 weeks without SYY and used as a negative control...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454392/klf7-overexpression-in-human-oral-squamous-cell-carcinoma-promotes-migration-and-epithelial-mesenchymal-transition
#20
Xiaojun Ding, Xinhao Wang, Yiming Gong, Hong Ruan, Yang Sun, Youcheng Yu
Krüppel-like factor 7 (KLF7) is a member of the KLF family of zinc finger transcription factors, and was the first KLF cloned using complementary DNA and polymerase chain reaction (PCR) techniques with human vascular endothelial cells as a template. In addition, KLF7 is known as the ubiquitous Krüppel-like factor, as it is widely expressed in numerous human tissues at low levels. In the present study, the function of KLF7 in migration and epithelial-mesenchymal transition (EMT), which are associated with tumor progression, was investigated in human oral squamous cell carcinoma (OSCC) cells...
April 2017: Oncology Letters
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