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Journal of Experimental & Clinical Cancer Research: CR

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https://www.readbyqxmd.com/read/28100270/pro-inflammation-nf-%C3%AE%C2%BAb-signaling-triggers-a-positive-feedback-via-enhancing-cholesterol-accumulation-in-liver-cancer-cells
#1
Mingyan He, Wenhui Zhang, Yinying Dong, Lishun Wang, Tingting Fang, Wenqing Tang, Bei Lv, Guanglang Chen, Biwei Yang, Peixin Huang, Jinglin Xia
BACKGROUND: Hepatocellular carcinoma (HCC) develops in a complex microenvironment characterized by chronic inflammation. In recent years, cholesterol metabolic abnormalities have been implicated the importance in cancer cell physiology. This study was designed to investigate the relationship between inflammation and cholesterol accumulation in HCC cells. METHODS: Human HCC cells HepG2 and Huh7 were cultured and stimulated with lipopolysaccharide (LPS) for 24 h...
January 18, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28095907/the-targeted-smac-mimetic-sw-iv-134-is-a-strong-enhancer-of-standard-chemotherapy-in-pancreatic-cancer
#2
Yassar M Hashim, Suwanna Vangveravong, Narendra V Sankpal, Pratibha S Binder, Jingxia Liu, S Peter Goedegebuure, Robert H Mach, Dirk Spitzer, William G Hawkins
BACKGROUND: Pancreatic cancer is a lethal malignancy that frequently acquires resistance to conventional chemotherapies often associated with overexpression of inhibitors of apoptosis proteins (IAPs). We have recently described a novel means to deliver second mitochondria-derived activator of caspases (SMAC) mimetics selectively to cancer cells employing the sigma-2 ligand/receptor interaction. The intrinsic death pathway agonist SMAC offers an excellent opportunity to counteract the anti-apoptotic activity of IAPs...
January 17, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28093067/capza1-modulates-emt-by-regulating-actin-cytoskeleton-remodelling-in-hepatocellular-carcinoma
#3
Deng Huang, Li Cao, Shuguo Zheng
BACKGROUND: Epithelial-mesenchymal transition (EMT) elicits dramatic changes, including cytoskeleton remodelling as well as changes in gene expression and cellular phenotypes. During this process, actin filament assembly plays an important role in maintaining the morphology and movement of tumour cells. Capping protein, a protein complex referred to as CapZ, is an actin-binding complex that can regulate actin cytoskeleton remodelling. CAPZA1 is the α1 subunit of this complex, and we hypothesized that CAPZA1 regulates EMT through the regulation of actin filaments assembly, thus reducing the metastatic ability of hepatocellular carcinoma (HCC) cells...
January 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28086984/deptor-not-only-a-mtor-inhibitor
#4
REVIEW
Valeria Catena, Maurizio Fanciulli
Deptor is an important protein that belongs to the mTORC1 and mTORC2 complexes, able to interact with mTOR and to inhibit its kinase activity. As a natural mTOR inhibitor, Deptor is involved in several molecular pathways, such as cell growth, apoptosis, autophagy and ER stress response. For this reason, Deptor seems to play an important role in controlling cellular homeostasis. Despite several recent insights characterizing Deptor functions and regulation, its complete role within cells has not yet been completely clarified...
January 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28073380/long-non-coding-rna-small-nucleolar-rna-host-gene-12-snhg12-promotes-tumorigenesis-and-metastasis-by-targeting-mir-199a-b-5p-in-hepatocellular-carcinoma
#5
Tian Lan, Weijie Ma, Zhenfei Hong, Long Wu, Xi Chen, Yufeng Yuan
BACKGROUND: Hepatocellular carcinoma (HCC) is third leading cause of cancer-related death globally. Evidence suggest that long non-coding RNAs (lncRNAs) have emerged as key regulators of tumorigenesis and metastasis in HCC. In this study, we investigated the functional significance of SNHG12 and explored whether SNHG12 can directly interact with miR-199a/b-5p in the progression of HCC. METHODS: We determined the expression level of SNHG12 in HCC tissues with quantitative real-time PCR and then studied its clinical significance...
January 10, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28069035/fbw7-regulates-apoptosis-in-activated-b-cell-like-diffuse-large-b-cell-lymphoma-by-targeting-stat3-for-ubiquitylation-and-degradation
#6
Su Yao, Fangping Xu, Yu Chen, Yan Ge, Fen Zhang, Huijie Huang, Li Li, Danyi Lin, Xinlan Luo, Jie Xu, Donglan Luo, Xiaolan Zhu, Yanhui Liu
BACKGROUND: The ubiquitin-ligase Fbw7 acts as a tumor suppressor, targeting lots of proto-oncogenes for proteolysis. However, the exact role of Fbw7 in diffuse large B-cell lymphoma (DLBCL) development remains unclear. METHODS: We evaluated Fbw7 expression in patient samples of DLBCL using immunohistochemical staining. The effect of Fbw7 overexpression on cell viability and apoptosis was investigated using activated B-cell (ABC) like DLBCL cell lines. The mechanism of Fbw7 activity in DLBCL was investigated using immunoprecipitation, ubiquitination, western blot and qualitative analyses...
January 10, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28069043/fgf19-fgfr4-signaling-contributes-to-the-resistance-of-hepatocellular-carcinoma-to-sorafenib
#7
Lixia Gao, Xuli Wang, Yaoliang Tang, Shuang Huang, Chien-An Andy Hu, Yong Teng
BACKGROUND: Sorafenib, a multi-kinase inhibitor, is used as a standard therapy for advanced hepatocellular carcinoma (HCC). However, complete remission has not been achieved and the molecular basis of HCC resistance to sorafenib remains largely unknown. Previous studies have shown that fibroblast growth factor 19 (FGF19) expression correlates with tumor progression and poor prognosis of HCC. Here, we demonstrate the novel role of FGF19 in HCC resistance to sorafenib therapy. METHODS: FGF19 Knockdown cells were achieved by lentiviral-mediated interference, and FGFR4 knockout cells were achieved by CRISPR-Cas9...
January 9, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28069038/motility-of-glioblastoma-cells-is-driven-by-netrin-1-induced-gain-of-stemness
#8
Irene Ylivinkka, Harri Sihto, Olli Tynninen, Yizhou Hu, Aki Laakso, Riku Kivisaari, Pirjo Laakkonen, Jorma Keski-Oja, Marko Hyytiäinen
BACKGROUND: Glioblastoma is an untreatable brain cancer. The tumors contain a population of stem-like cells which are highly invasive and resistant to therapies. These cells are the main reason for the lethality of glioblastoma. Extracellular guidance molecule netrin-1 promotes the invasiveness and survival of various cancer cell types. We have previously found that netrin-1 activates Notch signaling, and Notch signaling associates with cell stemness. Therefore, we have here investigated the effects of netrin-1 on glioblastoma pathogenesis and glioblastoma cell stemness...
January 9, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28061878/blockage-of-glycolysis-by-targeting-pfkfb3-suppresses-tumor-growth-and-metastasis-in-head-and-neck-squamous-cell-carcinoma
#9
Hui-Min Li, Jie-Gang Yang, Zhuo-Jue Liu, Wei-Ming Wang, Zi-Li Yu, Jian-Gang Ren, Gang Chen, Wei Zhang, Jun Jia
BACKGROUND: Many cancers including head and neck squamous cell carcinoma (HNSCC) are characterized by a metabolic rewiring with increased glucose uptake and lactate production, termed as aerobic glycolysis. Targeting aerobic glycolysis presents a promising strategy for cancer therapy. This study investigates the therapeutic potential of glycolysis blockage by targeting phosphofructokinase-2/fructose-2, 6-bisphosphatase 3 (PFKFB3) in HNSCC. METHODS: 1-(4-pyridinyl)-3-(2-quinolinyl)-2-propen-1-one (PFK15) was used as a selective antagonist of PFKFB3...
January 7, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28061785/short-term-early-exposure-to-lapatinib-confers-lifelong-protection-from-mammary-tumor-development-in-mmtv-erbb-2-transgenic-mice
#10
Zhikun Ma, Amanda B Parris, Zhengzheng Xiao, Erin W Howard, Stanley D Kosanke, Xiaoshan Feng, Xiaohe Yang
BACKGROUND: Although chemopreventative agents targeting the estrogen/estrogen receptor (ER) pathway have been effective for ER(+) breast cancers, prevention of hormone receptor-negative breast cancers, such as Her2/erbB-2(+) breast cancers, remains a significant issue. Previous studies have demonstrated that administration of EGFR/erbB-2-targeting lapatinib to MMTV-erbB-2 transgenic mice inhibited mammary tumor development. The prevention, however, was achieved by prolonged high dose exposure...
January 6, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28057028/oleuropein-enhances-radiation-sensitivity-of-nasopharyngeal-carcinoma-by-downregulating-pdrg1-through-hif1%C3%AE-repressed-microrna-519d
#11
Ting Xu, Dajiang Xiao
BACKGROUND: Oleuropein (OL) is a well-known anti-oxidative agent and is shown to reduce the hypoxia-inducible factor 1 α (HIF1α) protein expression after radiation. The current study investigated the effects of OL on radiation response in nasopharyngeal carcinoma (NPC). METHODS: Colony formation assay was performed to compare the radiation response in vitro. Xenograft mouse model was used to study the OL effects on radiation in vivo. Chromatin immunoprecipitation and luciferase reporter assays were performed to identify the relations among HIF1α, miR-519d and PDRG1...
January 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28057025/nomogram-integrating-gene-expression-signatures-with-clinicopathological-features-to-predict-survival-in-operable-nsclc-a-pooled-analysis-of-2164-patients
#12
Jian Wu, Lizhi Zhou, Lixia Huang, Jincui Gu, Shaoli Li, Baomo Liu, Jinlun Feng, Yanbin Zhou
BACKGROUND: The current tumor-node-metastasis (TNM) staging system is insufficient to predict outcome of patients with operable Non-Small Cell Lung Cancer (NSCLC) owing to its phenotypic and genomic heterogeneity. Integrating genomic signatures with clinicopathological factors may provide more detailed evaluation of prognosis. METHODS: All 2164 clinically annotated NSCLC samples (1326 in the training set and 838 in the validation set) with corresponding microarray data from 17 cohorts were pooled to develop and validate a clinicopathologic-genomic nomogram based on Cox regression model...
January 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28057020/rna-virus-receptor-rig-i-monitors-gut-microbiota-and-inhibits-colitis-associated-colorectal-cancer
#13
Houbao Zhu, Wang-Yang Xu, Zhiqiang Hu, Hongxin Zhang, Yan Shen, Shunyuan Lu, Chaochun Wei, Zhu-Gang Wang
BACKGROUND: Retinoic acid-inducible gene-I (Rig-I) is an intracellular viral RNA receptor, which specifically recognizes double-stranded viral RNA initiating antiviral innate immunity. Increasing evidences showed that Rig-I had broader roles in antibacterial immunity and cancer protection. However, the potential roles and mechanisms of Rig-I in gut flora regulation and colorectal cancer (CRC) progression remain unclear. METHODS: Immunohistochemistry was performed to detect Rig-I protein in 38 pairs of CRC tissue and matched adjacent mucosa, and immunofluorescence and western blot were also used to detect Rig-I protein expression in AOM/DSS-induced mice CRC samples...
January 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28057015/downregulation-of-long-noncoding-rna-meg3-is-associated-with-poor-prognosis-and-promoter-hypermethylation-in-cervical-cancer
#14
Jun Zhang, Zhongqiu Lin, Yali Gao, Tingting Yao
BACKGROUND: Our previous study reported that MEG3 is an important tumor suppressor gene that is inactivated in cervical cancer. However, the diagnostic and prognostic values of MEG3, as well as the molecular mechanism of MEG3 inactivation in cervical cancer, remain unclear. In this study, we aimed to further elucidate the role and potential inactivation mechanism of MEG3 in cervical cancer. METHODS: ROC curve and Cox regression analyses were used to assess the diagnostic and prognostic value of MEG3 in patients with cervical cancer...
January 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28049532/checkpoint-kinase-inhibitor-azd7762-strongly-sensitises-urothelial-carcinoma-cells-to-gemcitabine
#15
Makoto Isono, Michèle J Hoffmann, Maria Pinkerneil, Akinori Sato, Martin Michaelis, Jindrich Cinatl, Günter Niegisch, Wolfgang A Schulz
BACKGROUND: More effective chemotherapies are urgently needed for bladder cancer, a major cause of morbidity and mortality worldwide. We therefore explored the efficacy of the combination of gemcitabine and AZD7762, a checkpoint kinase 1/2 (CHK1/2) inhibitor, for bladder cancer. METHODS: Viability, clonogenicity, cell cycle distribution and apoptosis were assessed in urothelial cancer cell lines and various non-malignant urothelial cells treated with gemcitabine and AZD7762...
January 3, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27931238/elaboration-of-a-nomogram-to-predict-nonsentinel-node-status-in-breast-cancer-patients-with-positive-sentinel-node-intraoperatively-assessed-with-one-step-nucleic-amplification-retrospective-and-validation-phase
#16
Franco Di Filippo, Simona Di Filippo, Anna Maria Ferrari, Raffaele Antonetti, Alessandro Battaglia, Francesca Becherini, Laia Bernet, Renzo Boldorini, Catherine Bouteille, Simonetta Buglioni, Paolo Burelli, Rafael Cano, Vincenzo Canzonieri, Pierluigi Chiodera, Alfredo Cirilli, Luigi Coppola, Stefano Drago, Luca Di Tommaso, Privato Fenaroli, Roberto Franchini, Andrea Gianatti, Diana Giannarelli, Carmela Giardina, Florence Godey, Massimo M Grassi, Giuseppe B Grassi, Siobhan Laws, Samuele Massarut, Giuseppe Naccarato, Maria Iole Natalicchio, Sergio Orefice, Fabrizio Palmieri, Tiziana Perin, Manuela Roncella, Massimo G Roncalli, Antonio Rulli, Angelo Sidoni, Corrado Tinterri, Maria C Truglia, Isabella Sperduti
BACKGROUND: Tumor-positive sentinel lymph node (SLN) biopsy results in a risk of non sentinel node metastases in micro- and macro-metastases ranging from 20 to 50%, respectively. Therefore, most patients underwent unnecessary axillary lymph node dissections. We have previously developed a mathematical model for predicting patient-specific risk of non sentinel node (NSN) metastases based on 2460 patients. The study reports the results of the validation phase where a total of 1945 patients were enrolled, aimed at identifying a tool that gives the possibility to the surgeon to choose intraoperatively whether to perform or not axillary lymph node dissection (ALND)...
December 8, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27931237/a-piperazidine-derivative-of-23-hydroxy-betulinic-acid-induces-a-mitochondria-derived-ros-burst-to-trigger-apoptotic-cell-death-in-hepatocellular-carcinoma-cells
#17
Nan Yao, Ying-Jie Li, Yu-He Lei, Nan Hu, Wei-Min Chen, Zhe Yao, Miao Yu, Jun-Shan Liu, Wen-Cai Ye, Dong-Mei Zhang
BACKGROUND: Elevated production of reactive oxygen species (ROS) and an altered redox state have frequently been observed in hepatocellular carcinoma (HCC); therefore, selective killing of HCC cells by chemotherapeutic agents that stimulate ROS generation or impair antioxidant systems may be a feasible approach in HCC chemotherapy. Recently, betulinic acid and its derivatives have attracted attention because they showed anti-cancer effects via a ROS- and mitochondria-related mechanism...
December 8, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27923383/srgap1-mediates-the-migration-inhibition-effect-of-slit2-robo1-in-colorectal-cancer
#18
Yuyang Feng, Lei Feng, Di Yu, Jian Zou, Zhaohui Huang
BACKGROUND: The neuronal guidance molecule Slit2 plays suppressive role in tumorigenesis and progression. We previously showed that Slit2-Robo1 inhibit cell migration in colorectal cancer (CRC). However, little is known about its downstream effectors in CRC. This study tries to identify whether the Slit-Robo Rho GTPase activating protein 1 (srGAP1) could mediate the inhibitory effect of Slit2-Robo1 on CRC cell migration. METHODS: The protein expression of srGAP1 in clinical CRC tissues was tested by immunohistochemistry staining...
December 7, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27919290/ccdc88a-a-prognostic-factor-for-human-pancreatic-cancers-promotes-the-motility-and-invasiveness-of-pancreatic-cancer-cells
#19
Aki Tanouchi, Keisuke Taniuchi, Mutsuo Furihata, Seiji Naganuma, Ken Dabanaka, Masashi Kimura, Ryohei Watanabe, Takuhiro Kohsaki, Takahiro Shimizu, Motoaki Saito, Kazuhiro Hanazaki, Toshiji Saibara
BACKGROUND: Coiled-Coil Domain Containing 88A (CCDC88A) was identified as a substrate of the serine/threonine kinase Akt that is capable of binding to the actin cytoskeleton. The aim of this study was to investigate the potential role of CCDC88A in the migration and invasiveness of pancreatic ductal adenocarcinoma (PDAC) cells. METHODS: Immunohistochemistry was performed to determine whether high CCDC88A expression in human PDAC tissues is correlated with poor prognosis...
December 5, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27919280/patient-derived-xenografts-a-relevant-preclinical-model-for-drug-development
#20
REVIEW
Luca Pompili, Manuela Porru, Carla Caruso, Annamaria Biroccio, Carlo Leonetti
Identifying appropriate preclinical cancer models remains a major challenge in increasing the efficiency of drug development. A potential strategy to improve patient outcomes could be selecting the 'right' treatment in preclinical studies performed in patient-derived xenografts (PDXs) obtained by direct implants of surgically resected tumours in mice. These models maintain morphological similarities and recapitulate molecular profiling of the original tumours, thus representing a useful tool in evaluating anticancer drug response...
December 5, 2016: Journal of Experimental & Clinical Cancer Research: CR
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