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https://www.readbyqxmd.com/read/28454471/downregulation-of-fkbp14-by-rna-interference-inhibits-the-proliferation-adhesion-and-invasion-of-gastric-cancer-cells
#1
Ruizhong Wang, Hua Fang, Qin Fang
FK506 binding protein (FBBP) 14 belongs to the family of FKBPs. Altered expression of FKBPs are observed in several malignancies. The present study aimed to explore the expression and biological function of FKBP14 in gastric cancer. FKBP14 expression levels in 40 gastric cancer samples and matched control samples were evaluated using quantitative polymerase chain reaction. Cell proliferation was evaluated using Cell Counting kit-8 assay. A cell adhesion and a Transwell assay were performed to detect cell adhesion and invasion...
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/28454457/detection-of-circulating-tumor-cells-in-patients-with-non-small-cell-lung-cancer-using-a-size-based-platform
#3
Chung-Hee Sonn, Jong Ho Cho, Jae-Won Kim, Moon Sung Kang, Jinseon Lee, Jhingook Kim
The detection of circulating tumor cells (CTCs) is limited by the rarity of these cells in the peripheral blood of patients with cancer. Understanding tumor biology may be useful in the development of novel therapeutic strategies for patients with lung cancer. The present study evaluated a novel size-based filtration platform for enriching CTCs from patients with lung cancer. Blood samples were obtained from 82 patients with lung cancer for CTC analysis. CTC enrichment by size-based filtration was performed on 5-ml blood samples...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454441/microrna-130b-promotes-cell-migration-and-invasion-by-inhibiting-peroxisome-proliferator-activated-receptor-%C3%AE-in-human-glioma
#4
Peidong Li, Xinjun Wang, Qiao Shan, Yuehui Wu, Zhen Wang
Glioma is the most common and aggressive type of primary brain tumor. MicroRNA (miR)-130b functions as a tumor-associated miR. The dysregulation of miR-130b is involved in numerous biological characteristics and properties of certain types of cancer. The present study revealed the function and possible molecular mechanism of miR-130b in glioma cells, reporting that the level of miR-130b was markedly higher, increasing progressively as the histologic grade of the glioma increased, compared with the level in normal tissues...
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
#5
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/28454436/satb1-promotes-epithelial-mesenchymal-transition-and-metastasis-in-prostate-cancer
#6
Honggang Qi, Xinyang Fu, Yeping Li, Xiang Pang, Sansan Chen, Xiaojun Zhu, Fei Li, Wanlong Tan
Special AT-rich sequence-binding protein-1 (SATB1) is associated with cancer progression and poor clinical outcome. The present study aims to evaluate whether SATB1 affects the biological behaviors of prostate cancer (PCa), and furthermore, to elucidate whether this effect works through the epithelial-mesenchymal transition (EMT) pathway. Firstly, the expression of SATB1 was investigated in a series of PCa tissues as well as in a panel of PCa cell lines. Cell proliferation, migration and invasion were evaluated in SATB1 knockdown and overexpressed PCa cell lines by MTT and Transwell assays...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454412/comparison-of-the-seleno-transcriptome-expression-between-human-non-cancerous-mammary-epithelial-cells-and-two-human-breast-cancer-cell-lines
#7
Fabiola Rusolo, Francesca Capone, Raffaella Pasquale, Antonella Angiolillo, Giovanni Colonna, Giuseppe Castello, Maria Costantini, Susan Costantini
Breast cancer is the second most common cause of mortality in women; therefore, the identification of novel putative markers is required to improve its diagnosis and prognosis. Selenium is known to protect mammary epithelial cells from oxidative DNA damage, and to inhibit the initiation phase of carcinogenesis by stimulating DNA repair and apoptosis regulation. Consequently, the present study has focused attention on the selenoprotein family and their involvement in breast cancer. The present study performed a global analysis of the seleno-transcriptome expression in human breast cancer MCF-7 and MDA-MB231 cell lines compared with healthy breast MCF-10A cells using reverse transcription-quantitative polymerase chain reaction...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454408/astrocyte-elevated-gene-1-promotes-the-proliferation-and-invasion-of-breast-cancer-cells-by-activating-the-wnt-%C3%AE-catenin-signaling-pathway
#8
Mengxi Li, Yuna Dai, Li Wang, Lei Li
Astrocyte elevated gene-1 (AEG1) was identified to be overexpressed in breast cancer, and to be associated with the development of breast cancer. In the present study, AEG1 was identified as highly expressed in the MCF-7, MDA-MB-231 and SK-BR-3 breast cancer cell lines and was detected in the MCF-10A normal breast epithelial cell line. The present study established an AEG1-knockdown MCF-7 cell line to investigate the expression status of certain cancer-associated proteins. Western blotting demonstrated that AEG1 may affect cancer cell proliferation and invasion via activating the Wnt/β-catenin signaling pathway, a hypothesis that has been supported by cell function tests...
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28454389/notch-signaling-is-important-for-epithelial-mesenchymal-transition-induced-by-low-concentrations-of-doxorubicin-in-osteosarcoma-cell-lines
#11
Jian Yang, Weichun Guo, Lu Wang, Ling Yu, Hongjun Mei, Shuo Fang, Anyuan Chen, Yang Liu, Kezhou Xia, Gaiwei Liu
Osteosarcoma is an aggressive pediatric tumor affecting growing bones that typically occurs in adolescents and young adults. Although advances in treatment have been made in recent years, a high proportion of patients relapse due to metastases, which are frequently resistant to chemotherapy and pose a significant threat to long-term survival. Previous studies have demonstrated that the epithelial-mesenchymal transition (EMT) is associated with cancer occurrence and metastasis, and our previous study demonstrated the occurrence of EMT in osteosarcoma...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454352/analysis-of-circulating-adipokines-in-patients-newly-diagnosed-with-solid-cancer-associations-with-measures-of-adiposity-and-tumor-characteristics
#12
Nehad Ayoub, Mohammad Alkhatatbeh, Malak Jibreel, Mera Ababneh
The development and progression of cancer is a complex and multifactorial process and the global prevalence of obesity is markedly increasing. A number of studies have made an association between obesity and increased rates of epithelial tumors. Obesity is associated with altered adipokine levels, potentially contributing to the process of tumor development and metastasis. In the current study, the associations between circulating adipokines and measures of adiposity and tumor characteristics among patients diagnosed with solid malignancies were examined at the time of presentation, and following the administration of chemotherapy...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454346/microrna-134-targets-kras-to-suppress-breast-cancer-cell-proliferation-migration-and-invasion
#13
Xiaomei Su, Ling Zhang, Hua Li, Peng Cheng, Yajie Zhu, Zhen Liu, Yu Zhao, Hongyu Xu, Dong Li, Hui Gao, Tao Zhang
The expression patterns and functions of microRNA-134 (miR-134) have been previously studied in numerous types of cancer. To the best of our knowledge, this is the first study of miR-134 in human breast cancer. In the present study, the expression patterns, biological functions and underlying molecular mechanisms of miR-134 in human breast cancer were investigated. Reverse transcription-quantitative polymerase chain reaction evaluated the expression of miR-134 in human breast cancer tissues, matched normal adjacent tissues, breast cancer cell lines and a normal mammary epithelial cell line...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454322/accumulation-of-low-dose-bix01294-promotes-metastatic-potential-of-u251-glioblastoma-cells
#14
Min Young Kim, Shin-Ji Park, Jae Woong Shim, Yu Jin Song, Kwangmo Yang, Seong-Joon Park, Kyu Heo
BIX01294 (Bix) is known to be a euchromatic histone-lysine N-methyltransferase 2 inhibitor and treatment with Bix suppresses cancer cell survival and proliferation. In the present study, it was observed that sequential treatment with low-dose Bix notably increases glioblastoma cell migration and metastasis. It was demonstrated that U251 cells sequentially treated with low-dose Bix exhibited induced characteristic changes in critical epithelial-mesenchymal transition (EMT) markers, including E-cadherin, N-cadherin, β-catenin and zinc finger protein SNAI2...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454318/expression-and-prognostic-value-of-matriptase-in-ovarian-serous-adenocarcinoma
#15
Mei Ji, Shunshuang Li, Ya Xie, Zhao Zhao, Weizhong Chang, Yue Li, Xinghan Cheng, Zhuo Wang
Previous studies have demonstrated that matriptase is involved in degradation of the extracellular matrix and angiogenesis, and is overexpressed in certain forms of epithelial cancer. The present study aimed to examine matriptase expression in ovarian serous adenocarcinoma, and to investigate its association with clinicopathological characteristics and patient prognosis. Matriptase expression was analyzed in 80 ovarian serous adenocarcinoma and 12 normal ovarian tissue samples by immunohistochemistry. All data were analyzed to evaluate the association between matriptase expression and clinicopathological parameters and overall survival...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454316/overexpression-of-n-cadherin-and-%C3%AE-catenin-correlates-with-poor-prognosis-in-patients-with-nasopharyngeal-carcinoma
#16
Hong Sun, Mingyu Liu, Xuewen Wu, Chunguang Yang, Yanni Zhang, Zhenhang Xu, Kelei Gao, Fengjun Wang
An increasing amount of evidence demonstrates that epithelial-mesenchymal transition (EMT) is important in tumor invasion and metastases. The cell-cell adhesion molecule N-cadherin and the Wnt/β-catenin cascade protein β-catenin are two biomarkers of EMT. The present study aimed to measure the expression levels of N-cadherin and β-catenin in samples from patients with nasopharyngeal carcinoma (NPC) and evaluate their prognostic significance. N-cadherin and β-catenin mRNA was evaluated using reverse transcription-quantitative polymerase chain reaction in 26 NPC tissue samples and 8 nasopharyngeal epithelium samples...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454298/expression-and-prognostic-relevance-of-mage-a3-and-mage-c2-in-non-small-cell-lung-cancer
#17
Xinfeng Chen, Liping Wang, Jinyan Liu, Lan Huang, Li Yang, Qun Gao, Xiaojuan Shi, Jieyao Li, Feng Li, Zhen Zhang, Song Zhao, Bin Zhang, Pierre Van der Bruggen, Yi Zhang
Melanoma-associated antigen (MAGE)-A3 and MAGE-C2 are antigens encoded by cancer-germline genes, and have been recognized as potential prognostic biomarkers and attractive targets for immunotherapy in multiple types of cancer. The present study aimed to analyze the clinicopathological significance of MAGE-A3/C2 expression in non-small cell lung cancer (NSCLC). The association between MAGE-A3/C2 mRNA and protein expression, and the pathological characteristics and overall survival of patients with NSCLC was analyzed...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454293/changes-in-mitochondrial-function-during-emt-induced-by-tgf%C3%AE-1-in-pancreatic-cancer
#18
Qingqu Guo
Mitochondrial dysfunction is linked to cancer. Differences in the number, morphology and function of mitochondria have been observed between normal cells and cancer cells. However, changes in mitochondrial function during epithelial-mesenchymal transition (EMT) in pancreatic cancer are less known. In the present study, the cultured human pancreatic cancer cell line Panc-1 was treated with transforming growth factor (TGF)β-1. Mitochondrial functions following TGFβ-1 exposure in pancreatic cancer were investigated...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454275/variations-in-the-multimerization-region-of-the-helicobacter-pylori-cytotoxin-caga-affect-virulence
#19
Daiva Ahire, Tricia Alston, Robert Raffaniello
Helicobacter pylori colonizes the human stomach by infecting gastric epithelial cells. It is the primary cause of peptic ulcer disease and gastric cancer (GC). Cytotoxin-associated gene A (CagA) is a virulence factor produced by H. pylori. Strains positive for the CagA protein are associated with more severe gastric diseases. The 3' region of the cagA gene exhibits heterogeneity with respect to tyrosine phosphorylation motifs (EPIYA) and CagA multimerization motifs (CM). CagA proteins are categorized as either Western or Eastern based on EPIYA sequences...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454265/downregulation-of-rasal2-promotes-the-proliferation-epithelial-mesenchymal-transition-and-metastasis-of-colorectal-cancer-cells
#20
Zeming Jia, Weidong Liu, Liansheng Gong, Zhongfu Xiao
RAS protein activator like 2 (RASAL2) is a RAS-GTPase-activating protein and has recently been identified to be a tumor suppressor in various types of human cancer; however, the function of RASAL2 in colorectal carcinoma (CRC) remains unclear. In the present study, the function of RASAL2 in CRC cells was investigated using a RASAL2 loss-of-function cell model. RASAL2 short hairpin RNA was transfected into the human CRC cell lines LoVo, SW620 and HCT116, and the wild-type colon cell line NCM460. The subsequent downregulation of RASAL2 was evaluated using western blot and reverse transcription-quantitative polymerase chain reaction analyses...
March 2017: Oncology Letters
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