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Oncology Reports

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https://www.readbyqxmd.com/read/28184941/combined-effects-of-furanodiene-and-doxorubicin-on-the-migration-and-invasion-of-mda-mb-231-breast-cancer-cells-in-vitro
#1
Zhang-Feng Zhong, Wen Tan, Ke Tian, Hua Yu, Wen-An Qiang, Yi-Tao Wang
Furanodiene is one of the major bioactive components isolated from the natural product of the plant, Curcuma wenyujin Y.H. Chen et C. Ling. Furanodiene has been found to exert anticancer effects in various types of cancer cell lines, as well as exhibit antimetastatic activities. However, the antimetastatic capacity of furanodiene in combination with the common chemotherapy drug doxorubicin has not been investigated. We found that doxorubicin at a non-toxic concentration induced cell migration and cell invasion in highly metastatic breast cancer cells...
February 10, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112370/the-jak-stat-pathway-is-involved-in-the-upregulation-of-pd-l1-expression-in-pancreatic-cancer-cell-lines
#2
Toshifumi Doi, Takeshi Ishikawa, Tetsuya Okayama, Kaname Oka, Katsura Mizushima, Tomoyo Yasuda, Naoyuki Sakamoto, Kazuhiro Katada, Kazuhiro Kamada, Kazuhiko Uchiyama, Osamu Handa, Tomohisa Takagi, Yuji Naito, Yoshito Itoh
Although improvements in the chemotherapy modalities for pancreatic cancer have been realized, pancreatic cancer remains one of the most lethal malignancies. New-generation cancer immunotherapy methods, such as blocking of the PD-1/PD-L1 pathway, are consistently being investigated to improve the survival of pancreatic cancer patients. In the present study, we evaluated the influence of anticancer agents 5-fluorouracil, gemcitabine and paclitaxel on PD-L1 expression in human pancreatic cancer cell lines MIA PaCa-2 and AsPC-1 and in murine pancreatic cancer cell line Pan02...
January 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112365/targeting-rock2-rather-than-rock1-inhibits-ewing-sarcoma-malignancy
#3
Rosa Simona Pinca, Maria Cristina Manara, Valentina Chiadini, Piero Picci, Cinzia Zucchini, Katia Scotlandi
Understanding the molecular processes characterizing Ewing sarcoma (EWS) cell migration is crucial to highlight novel therapies for patients with disseminated disease. In this study we analyzed the role of ROCK kinases in the regulation of cell migration, growth and differentiation of EWS cells. Overexpression of ROCK promotes invasion and metastasis in many solid tumors. However, the effect of ROCK in EWS has not been extensively investigated. Expression of ROCK1 and ROCK2 was analyzed by western blotting in a representative panel of human EWS cell lines, in comparison with the parameters of in vitro malignancy...
January 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112360/low-uptake-of-fluorodeoxyglucose-in-positron-emission-tomography-computed-tomography-in-ovarian-clear-cell-carcinoma-may-reflect-glutaminolysis-of-its-cancer-stem-cell-like-properties
#4
Masakazu Sato, Kei Kawana, Katsuyuki Adachi, Asaha Fujimoto, Ayumi Taguchi, Tomona Fujikawa, Mitsuyo Yoshida, Hiroe Nakamura, Haruka Nishida, Tomoko Inoue, Juri Ogishima, Satoko Eguchi, Aki Yamashita, Kensuke Tomio, Takahide Arimoto, Osamu Wada-Hiraike, Katsutoshi Oda, Takeshi Nagamatsu, Yutaka Osuga, Tomoyuki Fujii
The characteristics of ovarian cancers that showed low activation of glycolysis were investigated. Using medical records of patients with ovarian cancers who had undergone fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) prior to their primary surgery at the University of Tokyo Hospital between 2010 and 2015, we identified cases with a low uptake of FDG in PET/CT. We considered the maximum standardized uptake value (SUVmax) as the degree of glucose uptake. We investigated the properties which may account for the low activation of glycolysis in vitro...
January 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112359/expression-of-phospholipase-c-isozymes-in-human-breast-cancer-and-their-clinical-significance
#5
Shuo Cai, Ping-Hui Sun, Jeyna Resaul, Lei Shi, Aihua Jiang, Lucy K Satherley, Eleri L Davies, Fiona Ruge, Anthony Douglas-Jones, Wen G Jiang, Lin Ye
Phospholipase C (PLC) regulates a number of cellular behaviours including cell motility, cell transformation, differentiation and cell growth. PLC plays a regulatory role in cancer cells partly by acting as signalling intermediates for cytokines such as EGF and interleukins. The current study examined the expression of the PLC isozymes in human breast cancer and corresponding clinical relevance. Transcript levels of human PLC-α, -β1, -δ, -ε, and -γ1 in human breast cancer tissues were quantitatively determined by real-time PCR...
January 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112358/calcium-release-induced-by-2-pyridinecarboxaldehyde-thiosemicarbazone-and-its-copper-complex-contributes-to-tumor-cell-death
#6
Yun Fu, Youxun Liu, Jiangang Wang, Cuiping Li, Sufeng Zhou, Yun Yang, Pingxin Zhou, Chengbiao Lu, Changzheng Li
Thiosemicarbazones display significant antitumor activity and their copper complexes also exhibit enhanced biological activities in most situations, but the underlying mechanism is poorly understood. Therefore, investigation of the mechanism involved in the change upon chelation is required to extend our understanding of the effects of thiosemicarbazones. In the present study, the inhibitory effect of 2-pyridinecarboxaldehyde thiosemicarbazone (PCT) and its copper complex (PCT-Cu) on cell proliferation was investigated...
January 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112357/calpain-inhibitors-ameliorate-muscle-wasting-in-a-cachectic-mouse-model-bearing-ct26-colorectal-adenocarcinoma
#7
Xing-Yu Lin, Si-Zeng Chen
Cancer-related cachexia involves increased protein breakdown through various proteolytic pathways, including the ubiquitin-proteasome pathway (UPP). We hypothesized that a calcium- and calpain-dependent pathway might play a crucial role during the proteolytic procedure, and that pathway interventions would ameliorate cancer cachexia in vivo. After being inoculated with CT26 adenocarcinoma cell culture subcutaneously, BALB/c mice developed cachexia in 12 days. They were then administered with different types of calpain inhibitors individually or in combination for 7 consecutive days...
January 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112382/ginsenoside%C3%A2-rg5-treatment-inhibits-apoptosis-of-chondrocytes-and-degradation-of-cartilage-matrix-in-a-rat-model-of-osteoarthritis
#8
Ping Zhang
This study investigated the effect of ginsenoside‑Rg5 on the degradation of articular cartilage in osteoarthritis rat model and on induction of chondrocyte apoptosis. Osteoarthritis rat model was prepared by ligament transection and medial meniscus resection. The rats were then treated with different doses (1, 2, 5, 10 and 15 µM) of ginsenoside‑Rg5 for 48 h. The results from histopathological analysis revealed a significant (P=0.005) prevention of cartilage degradation in OA rat model by ginsenoside‑Rg5 treatment at 15 µM...
January 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112380/mir520c-blocks-emt-progression-of-human-breast-cancer-cells-by-repressing-stat3
#9
Nian Wang, Lan Wei, Yunxiu Huang, Yang Wu, Min Su, Xueli Pang, Nian Wang, Feihu Ji, Changli Zhong, Tingmei Chen, Bing Li
Breast cancer is one of the most malignant diseases world-wide and it ranks the first among female cancers. Masses of intrinsic and extrinsic factors, especially the inflammatory factors can lead to breast cancer. Aberrant activation and accumulation of key molecules can lead to inflammation associated carcinogenesis. The signal transducers and activators of transcription 3 (STAT3) is one of them. Therefore, to evaluate the novel molecular mechanisms, STAT3 has become our focus for breast cancer targeted therapy...
January 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112375/astragaloside-iv-inhibits-metastasis-in-hepatoma-cells-through-the-suppression-of-epithelial-mesenchymal-transition-via-the-akt-gsk-3%C3%AE-%C3%AE-catenin-pathway
#10
Cheng-Dong Qin, De-Ning Ma, Zheng-Gang Ren, Xiao-Dong Zhu, Cheng-Hao Wang, Ying-Cong Wang, Bo-Gen Ye, Man-Qing Cao, Dong-Mei Gao, Zhao-You Tang
Our previous studies demonstrated that traditional Chinese herbal medicine 'Songyou Yin' inhibited the growth and invasion of hepatocellular carcinoma (HCC) cells, and altered epithelial‑mesenchymal transition (EMT) markers in oxaliplatin‑treated HCC tissues and cell lines. In the present study, we aimed to explore whether astragaloside IV (AS-IV), a component of 'Songyou Yin', can affect the growth and invasion of HCC cells and the underlying mechanism involved. Human HCC cell lines Huh7 and MHCC97-H, with low and high metastatic potential, respectively, were treated with increasing doses of AS-IV...
January 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112367/knockdown-of-cobra1-decreases-the-proliferation-and-migration-of-hepatocellular-carcinoma-cells
#11
Eman El Zeneini, Sarah Kamel, Mahmoud El-Meteini, Asma Amleh
Cofactor of BRCA1 (COBRA1) is one of the four subunits that make up the negative elongation factor (NELF) complex that is involved in the stalling of RNA polymerase II early during transcription elongation. As such, it regulates the expression of a substantial number of genes involved in cell cycle control, cellular metabolism and DNA repair. With no DNA binding domain, its capacity to modulate gene expression occurs via its ability to interact with different transcription factors. In the field of cancer, its role is not yet fully understood...
January 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28112361/modulation-of-mmp-2-and-mmp-9-secretion-by-cytokines-inducers-and-inhibitors-in-human-glioblastoma-t-98g-cells
#12
M Waheed Roomi, Tatiana Kalinovsky, Matthias Rath, Aleksandra Niedzwiecki
Brain tumors are highly aggressive, characterized by the secretion of high levels of matrix metalloproteinase (MMP)-2 and MMP-9 that degrade the extracellular matrix and basement membrane, allowing cancer cells to spread to distal organs. Various cytokines, mitogens, growth factors, inducers and inhibitors control MMP activity. We investigated the roles of these in the regulation of MMP-2 and MMP-9 in human glioblastoma T-98G cells. Human T-98G cells were grown in DME supplemented with 15% fetal bovine serum and antibiotics in 24-well tissue culture plates...
January 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098913/diets-link-metabolic-syndrome-and-colorectal-cancer-development-review
#13
Jirakrit Saetang, Surasak Sangkhathat
Diets have been believed to be an important factor in the development of metabolic syndrome and colorectal cancer (CRC). In recent years, many studies have shown an intimate relationship between mucosal immunity, metabolism and diets, which has led to a greater understanding of the pathophysiology of metabolic syndrome and CRC development. Although the precise effects of diets on oncogenesis have not been compl-etely elucidated, microbiota changes and inflammation are believed to be important factors that influence the development of CRC...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098909/biology-and-function-of-glypican-3-as-a-candidate-for-early-cancerous-transformation-of-hepatocytes-in-hepatocellular-carcinoma-review
#14
Mauro Montalbano, Jeremias Georgiadis, Ashlyn L Masterson, Joshua T McGuire, Janika Prajapati, Ali Shirafkan, Cristiana Rastellini, Luca Cicalese
Glypican-3 (GPC-3), a transmembrane heparan sulfate proteoglycan (HSPG), has recently been investigated as a player in tissue-dependent cellular signaling, specifically as a regulator of growth. Noteworthy, the regulatory protein has been implicated in both stimulatory and inhibitory pathways involving cell growth. Initially, GPC-3 was thought to act as a cell cycle regulator, as a loss-of-function mutation in the gene caused a hyper-proliferative state known as Simpson-Golabi-Behmel (SGB) overgrowth syndrome...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098897/overexpression-of-arf1-is-associated-with-cell-proliferation-and-migration-through-pi3k-signal-pathway-in-ovarian-cancer
#15
Guifang Gu, Yannan Chen, Chengwei Duan, Linsen Zhou, Caiwen Chen, Jie Chen, Jialin Cheng, Nannan Shi, Yunfeng Jin, Qinghua Xi, Jianxin Zhong
ADP-ribosylation factor 1 (ARF1) is a small G protein that regulates many cellular processes such as reorganization of the actin cytoskeleton and is highly expressed in various tumor cells and tissues. However, the role of ARF1 in ovarian cancer progression remains unknown. In the present study, we explored the expression patterns of ARF1 in clinical ovarian cancer samples and adjacent noncancerous tissues. The results revealed that ARF1 overexpressed in EOC tissues and cell lines, compared with the adjacent non-tumorous tissues and normal ovarian cells...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098891/nhe1-is-upregulated-in-gastric-cancer-and-regulates-gastric-cancer-cell-proliferation-migration-and-invasion
#16
Rui Xie, Haibo Wang, Hai Jin, Guorong Wen, Biguang Tuo, Jingyu Xu
Na+/H+ exchanger isoform 1 (NHE1) is known to play a key role in regulating intracellular pH and osmotic homeostasis and is involved in the development and progression of several types of cancer. However, the function and specific mechanism of NHE1 in gastric cancer (GC) are not clearly understood. In the present study, we report that NHE1 is overexpressed in tissues and cell lines from GC patients, and knockdown or inhibition of NHE1 suppressed GC cell proliferation via regulation of G1/S and G2/M cell cycle phase transitions, concomitant with a marked decrease in positive cell cycle regulators, including cyclin D1 and cyclin B1...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098915/somatic-mutational-spectrum-analysis-in-a-prospective-series-of-104-gastrointestinal-stromal-tumors
#17
David Guenat, Olivier Deroo, Sandrine Magnin, Loïc Chaigneau, Franck Monnien, Christophe Borg, Christiane Mougin, Jean-François Emile, Jean-Luc Prétet
Gastrointestinal stromal tumors (GISTs) are mesenchymal tumors distinguished by driver mutations in proto-oncogenes KIT or PDGFRA in 85-90% of cases. These mutations have been linked to the response to imatinib, a multikinase inhibitor, and have independent prognostic impact. Here, we describe the prospective study of the molecular characteristics of 104 GISTs from French adult patients analyzed routinely through the National Hospital Program of Molecular Cancer Diagnosis. All patients with GISTs diagnosed at the University Hospital of Besançon between August 2005 and October 2014 were prospectively included in the present study...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098914/role-of-mir-647-in-human-gastric-cancer-suppression
#18
Wenlong Cao, Weiyuan Wei, Zexu Zhan, Dongyi Xie, Yubo Xie, Qiang Xiao
MicroRNAs (miRNAs) regulate various oncogenes concomitantly, resulting in tumor suppression. They regulate proliferation and migration pathways in tumor development, suggesting a potential therapeutic role. In the present study, we found that miR-647 was markedly downregulated in gastric cancer (GC), and was significantly correlated with reduced tumor size and metastasis. In addition, miR-647 was also reduced in GC cell lines. Furthermore, overexpression of miR-647 in the GC cell lines inhibited cell proliferation, promoted cell cycle arrest at the G0/G1 phase and induced cell apoptosis...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098912/microrna-9-limits-hepatic-fibrosis-by-suppressing-the-activation-and-proliferation-of-hepatic-stellate-cells-by-directly-targeting-mrp1-abcc1
#19
Jie Sun, Huanying Zhang, Liying Li, Lianfeng Yu, Lifang Fu
Liver fibrosis is a chronic liver disease characterized by the proliferation and activation of hepatic stellate cells (HSCs) and excessive deposition of extracellular matrix (ECM). Research suggests that microRNAs (miRNAs) are a new type of regulator of liver fibrosis. In the present study, we investigated the role of microRNA-9 (miR-9) in the process of liver fibrosis, as well as the underlying mechanism of action. Downregulated levels of miR-9 were found in fibrotic liver tissues and activated HSCs as detected by qRT-PCR; whereas, expression of multidrug resistance‑associated protein 1 (MRP1/ABCC1) was upregulated in the fibrotic liver tissues and activated HSCs...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098905/cripto-1-promotes-epithelial-mesenchymal-transition-in-prostate-cancer-via-wnt-%C3%AE-catenin-signaling
#20
Yan Liu, Zhenbang Qin, Kuo Yang, Ranlu Liu, Yong Xu
The Cripto-1 (CR-1) derived EGF-CFC family was overexpressed in tumor development enhancing proliferation, epithelial-mesenchymal transition (EMT) and migration of tumor cells. However, correlation between CR-1 and prostate cancer (PCa) remains still unclear. In the present study, we proved that CR-1 was expressed in PCa and its function was in the progression of PCa. Compared with benign prostatic hyperplasia (BPH) tissues, we confirmed that PCa tissues had high expression of CR-1 by immunohistochemistry and statistical data showed that CR-1 promoted properties of EMT in PCa tissues, including the downregulation of the cell adhesion molecules β-catenin (membrane) and E-cadherin while upregulating transcription factors β-catenin...
January 17, 2017: Oncology Reports
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