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Journal of Experimental & Clinical Cancer Research: CR

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https://www.readbyqxmd.com/read/28915924/pdl1-and-ldha-act-as-cernas-in-triple-negative-breast-cancer-by-regulating-mir-34a
#1
Xiaojia Huang, Xinhua Xie, Hua Wang, Xiangsheng Xiao, Lu Yang, Zhi Tian, Xiaofang Guo, Lijuan Zhang, Hailin Tang, Xiaoming Xie
BACKGROUD: The purpose of this study was to elucidate the regulation of programmed death ligand 1 (PDL1), lactate dehydrogenase A (LDHA) and miR-34a in triple negative breast cancer (TNBC) and to explore the function and mechanism of PDL1 and LDHA as competitive endogenous RNAs (ceRNAs) in TNBC via regulation of miR-34a. METHODS: Western blotting, quantitative RT-PCR (qRT-PCR) and immunohistochemistry (IHC) assays were conducted to explore the expression of PDL1, LDHA and miR-34a in TNBC and correlations between them...
September 15, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28903768/liquid-dynamic-medicine-and-n-of-1-clinical-trials-a-change-of-perspective-in-oncology-research
#2
REVIEW
Nicola Silvestris, Gennaro Ciliberto, Paolo De Paoli, Giovanni Apolone, Maria Luisa Lavitrano, Marco A Pierotti, Giorgio Stanta
The increasing use of genomics to define the pattern of actionable mutations and to test and validate new therapies for individual cancer patients, and the growing application of liquid biopsy to dynamically track tumor evolution and to adapt molecularly targeted therapy according to the emergence of tumor clonal variants is shaping modern medical oncology., In order to better describe this new therapeutic paradigm we propose the term "Liquid dynamic medicine" in the place of "Personalized or Precision medicine"...
September 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28899410/nucleolar-and-spindle-associated-protein-1-promotes-the-aggressiveness-of-astrocytoma-by-activating-the-hedgehog-signaling-pathway
#3
Xianqiu Wu, Benke Xu, Chao Yang, Wentao Wang, Dequan Zhong, Zhan Zhao, Longshuang He, Yuanjun Hu, Lili Jiang, Jun Li, Libing Song, Wei Zhang
BACKGROUND: The prognosis of human astrocytoma is poor, and the molecular alterations underlying its pathogenesis still needed to be elucidated. Nucleolar and spindle associated protein 1 (NUSAP1) was observed in several types of cancers, but its role in astrocytoma remained unknown. METHODS: The expression of NUSAP1 in astrocytoma cell lines and tissues were measured with western blotting and Real-Time PCR. Two hundred and twenty-one astrocytoma tissue samples were analyzed by immunochemistry to demonstrate the correlation between the NUSAP1 expression and clinicopathological characteristics...
September 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28893319/sophoridine-induces-apoptosis-and-s-phase-arrest-via-ros-dependent-jnk-and-erk-activation-in-human-pancreatic-cancer-cells
#4
Zihang Xu, Fei Zhang, Chao Bai, Chao Yao, Hairong Zhong, Chunpu Zou, Xiao Chen
BACKGROUND: Pancreatic cancer is generally acknowledged as the most common primary malignant tumor, and it is known to be resistant to conventional chemotherapy. Novel, selective antitumor agents are pressingly needed. METHODS: CCK-8 and colony formation assay were used to investigate the cell growth. Flow cytometry analysis was used to evaluate the cell cycle and cell apoptosis. The peroxide-sensitive fluorescent probe DCFH-DA was used to measure the intracellular ROS levels...
September 11, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28893318/icg-001-suppresses-growth-of-gastric-cancer-cells-and-reduces-chemoresistance-of-cancer-stem-cell-like-population
#5
Yi Liu, Hui Chen, Peiming Zheng, Yingxia Zheng, Qin Luo, Guohua Xie, Yanhui Ma, Lisong Shen
BACKGROUND: ICG-001, a small molecule, binds CREB-binding protein (CBP) to disrupt its interaction with β-catenin and inhibits CBP function as a co-activator of Wnt/β-catenin-mediated transcription. Given its ability to inhibit Wnt/β-catenin signaling pathway, ICG-001 has been used in some tumor types to exert its anticarcinogenic effect. Here, we examined ICG-001 and its potential role as a therapeutic in gastric cancer (GC). METHODS: The gastric cancer cell lines SGC-7901, MGC-803, BGC-823 and MKN-45 were used in vitro and in vivo...
September 11, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28893313/p53-dependent-puma-to-dram-antagonistic-interplay-as-a-key-molecular-switch-in-cell-fate-decision-in-normal-high-glucose-conditions
#6
Alessia Garufi, Giuseppa Pistritto, Silvia Baldari, Gabriele Toietta, Mara Cirone, Gabriella D'Orazi
BACKGROUND: As an important cellular stress sensor phosphoprotein p53 can trigger cell cycle arrest and apoptosis and regulate autophagy. The p53 activity mainly depends on its transactivating function, however, how p53 can select one or another biological outcome is still a matter of profound studies. Our previous findings indicate that switching cancer cells in high glucose (HG) impairs p53 apoptotic function and the transcription of target gene PUMA. METHODS AND RESULTS: Here we report that, in response to drug adriamycin (ADR) in HG, p53 efficiently induced the expression of DRAM (damage-regulated autophagy modulator), a p53 target gene and a stress-induced regulator of autophagy...
September 11, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28886730/annexin-a2-contributes-to-cisplatin-resistance-by-activation-of-jnk-p53-pathway-in-non-small-cell-lung-cancer-cells
#7
Xiaomin Feng, Hao Liu, Zhijie Zhang, Yixue Gu, Huisi Qiu, Zhimin He
BACKGROUND: Development of resistance to therapy continues to be a serious clinical problem in lung cancer management. We previously identified that Annexin A2 is significantly up-regulated in cisplatin-resistant non-small cell lung cancer (NSCLC) A549/DDP cells. However, the exact function and molecular mechanism of Annexin A2 in cisplatin resistance of NSCLCs has not been determined. METHODS: Western blot and qRT-PCR were performed to analyze the protein and mRNA level of indicated molecules, respectively...
September 8, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28882182/-s-crizotinib-induces-apoptosis-in-human-non-small-cell-lung-cancer-cells-by-activating-ros-independent-of-mth1
#8
Xuanxuan Dai, Guilong Guo, Peng Zou, Ri Cui, Weiqian Chen, Xi Chen, Changtian Yin, Wei He, Rajamanickam Vinothkumar, Fan Yang, Xiaohua Zhang, Guang Liang
BACKGROUND: Non-small cell lung cancer (NSCLC) accounts for approximately 80-85% of all lung cancers and is usually diagnosed at an advanced stage with poor prognosis. Targeted therapy has produced unprecedented outcomes in patients with NSCLC as a number of oncogenic drivers have been found. Crizotinib, a selective small-molecule inhibitor, has been widely used for the treatment of NSCLC patients with ALK gene rearrangements. A recent study has also shown that (S)-enantiomer of crizotinib exhibits anticancer activity by targeting the protein mutT homologue (MTH1)...
September 7, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28882180/high-performance-of-targeted-next-generation-sequencing-on-variance-detection-in-clinical-tumor-specimens-in-comparison-with-current-conventional-methods
#9
Dan Su, Dadong Zhang, Kaiyan Chen, Jing Lu, Junzhou Wu, Xinkai Cao, Lisha Ying, Qihuang Jin, Yizhou Ye, Zhenghua Xie, Lei Xiong, Weimin Mao, Fugen Li
BACKGROUND: Next generation sequencing (NGS) is being increasingly applied for assisting cancer molecular diagnosis. However, it is still needed to validate NGS accuracy on detection of DNA alternations based on a large number of clinical samples, especially for DNA rearrangements and copy number variations (CNVs). This study is to set up basic parameters of targeted NGS for clinical diagnosis and to understand advantage of targeted NGS in comparison with the conventional methods of molecular diagnosis...
September 7, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28882160/intrinsic-fluorescence-of-the-clinically-approved-multikinase-inhibitor-nintedanib-reveals-lysosomal-sequestration-as-resistance-mechanism-in-fgfr-driven-lung-cancer
#10
Bernhard Englinger, Sebastian Kallus, Julia Senkiv, Daniela Heilos, Lisa Gabler, Sushilla van Schoonhoven, Alessio Terenzi, Patrick Moser, Christine Pirker, Gerald Timelthaler, Walter Jäger, Christian R Kowol, Petra Heffeter, Michael Grusch, Walter Berger
BACKGROUND: Studying the intracellular distribution of pharmacological agents, including anticancer compounds, is of central importance in biomedical research. It constitutes a prerequisite for a better understanding of the molecular mechanisms underlying drug action and resistance development. Hyperactivated fibroblast growth factor receptors (FGFRs) constitute a promising therapy target in several types of malignancies including lung cancer. The clinically approved small-molecule FGFR inhibitor nintedanib exerts strong cytotoxicity in FGFR-driven lung cancer cells...
September 7, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28874173/ternary-cocktail-nanoparticles-for-sequential-chemo-photodynamic-therapy
#11
Li Fan, Saisai Zhao, Qian Yang, Jiali Tan, Chaojun Song, Hong Wu
BACKGROUND: Previous clinical trials have already demonstrated that combinations of two or more drugs were more effective in the cancer treatment, especially sequential photodynamic design combing with sequential chemotherapy. In our study, we propose a ternary cocktail NP delivery system based on self-decomposable NPs, which could realize synergistic chemo-photodynamic therapy through double loading chemo-drugs and multi-level programmable PDT treatment. METHODS: PS drug methylene blue (MB) was encapsulated into the center of the NPsmall, NPbig&thin, and NPbig&thick carriers through "grown-in" loading mechanism, which was released based on the drug concentration difference of the drug release environment...
September 6, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28870216/trifluoperazine-a-novel-autophagy-inhibitor-increases-radiosensitivity-in-glioblastoma-by-impairing-homologous-recombination
#12
Xin Zhang, Ran Xu, Chao Zhang, Yangyang Xu, Mingzhi Han, Bin Huang, Anjing Chen, Chen Qiu, Frits Thorsen, Lars Prestegarden, Rolf Bjerkvig, Jian Wang, Xingang Li
BACKGROUND: Resistance to adjuvant radiotherapy is a major cause of treatment failure in patients with glioblastoma (GBM). Autophagy inhibitors have been shown to enhance the efficacy of radiotherapy for certain solid tumors. However, current inhibitors do not penetrate the blood-brain-barrier (BBB). Here, we assessed the radiosensitivity effects of the antipsychotic drug trifluoperazine (TFP) on GBM in vitro and in vivo. METHODS: U251 and U87 GBM cell lines as well as GBM cells from a primary human biopsy (P3), were used in vitro and in vivo to evaluate the efficacy of TFP treatment...
September 5, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28870205/maintenance-of-stemness-is-associated-with-the-interation-of-lrp6-and-heparin-binding-protein-ccn2-autocrined-by-hepatocellular-carcinoma
#13
Qingan Jia, Yang Bu, Zhiming Wang, Bendong Chen, Qiangbo Zhang, Songning Yu, Qingguang Liu
BACKGROUND: The overall response rate of hepatocellular carcinoma (HCC) to chemotherapy is poor. In our previous study, oxaliplatin-resistant HCC is found to exhibit an enhanced stemness, and increased levels of CCN2 and LRP6, while the role of CCN2 and LRP6 in the prognosis of HCC patients, and the interaction regulation mechanism between CCN2 and LRP6 are still unclear. METHODS: The expression levels of CCN2 and LRP6 were detected in large cohorts of HCCs, and functional analyses of CCN2 and LRP6 were performed both in vitro and in vivo...
September 4, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28865486/nlrp3-inflammasome-activation-promotes-inflammation-induced-carcinogenesis-in-head-and-neck-squamous-cell-carcinoma
#14
Cong-Fa Huang, Lei Chen, Yi-Cun Li, Lei Wu, Guang-Tao Yu, Wen-Feng Zhang, Zhi-Jun Sun
BACKGROUND: NLRP3 inflammasome acts as a danger signal sensor that triggers and coordinates the inflammatory response. However, the roles of NLRP3 inflammasome in the tumorigenesis and development of cancer stem cells (CSCs) of squamous cell carcinoma of the head and neck (SCCHN) remain ambiguous. METHODS: In our study, tissue microarrays, ELISA, sphere-forming assay, colony formation assay and Western blot analysis were performed to evaluate the effect of NLRP3 inflammasome on the development of CSCs in human SCCHN tissue specimen, cell lines, and transgenic mouse SCCHN model...
September 2, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28865485/combination-therapy-of-pkc%C3%AE-and-cox-2-inhibitors-synergistically-suppress-melanoma-metastasis
#15
Ping Zhou, Jiaqi Qin, Yuan Li, Guoxia Li, Yinsong Wang, Ning Zhang, Peng Chen, Chunyu Li
BACKGROUND: Metastatic malignant melanoma is one of the most aggressive malignancies and its treatment remains challenging. Recent studies demonstrate that the melanoma metastasis has correlations with the heightened activations of protein kinase C ζ (PKCζ) and cyclooxygenase-2 (COX-2) signaling pathways. Targeted inhibitions for PKCζ and COX-2 have been considered as the promising strategies for the treatment of melanoma metastasis. Thus, the PKCζ inhibitor J-4 and COX-2 inhibitor Celecoxib were combined to treat melanoma metastasis in this study...
September 2, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28859669/epigenetic-silencing-of-mir-493-increases-the-resistance-to-cisplatin-in-lung-cancer-by-targeting-tongue-cancer-resistance-related-protein-1-tcrp1
#16
Yixue Gu, Zhijie Zhang, Jiang Yin, Jiahui Ye, Yin Song, Hao Liu, Yan Xiong, Minying Lu, Guopei Zheng, Zhimin He
BACKGROUND: The potential mechanisms regarding how methylation of microRNA(miRNA) CpG Island could regulate cancer cell chemo-resistance remains unclear. This study aims to explore the epigenetic dysregulation mechanism of miRNA-493 and the ability to modulate lung cancer cell chemotherapy resistance. METHODS: Real-time quantitative PCR (qRT-PCR) and In situ hybridization (ISH) were used to analyze the expression of miR-493 in lung cancer cell lines and tumor tissue, respectively...
August 31, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28854931/exosomes-isolated-from-cancer-patients-sera-transfer-malignant-traits-and-confer-the-same-phenotype-of-primary-tumors-to-oncosuppressor-mutated-cells
#17
Mohamed Abdouh, Dana Hamam, Zu-Hua Gao, Vincenzo Arena, Manuel Arena, Goffredo Orazio Arena
BACKGROUND: Horizontal transfer of malignant traits from the primary tumor to distant organs, through blood circulating factors, has recently become a thoroughly studied metastatic pathway to explain cancer dissemination. Recently, we reported that oncosuppressor gene-mutated human cells undergo malignant transformation when exposed to cancer patients' sera. We also observed that oncosuppressor mutated cells would show an increased uptake of cancer-derived exosomes and we suggested that oncosuppressor genes might protect the integrity of the cell genome by blocking integration of cancer-derived exosomes...
August 30, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28830537/combined-targeting-of-arf1-and-ras-potentiates-anticancer-activity-for-prostate-cancer-therapeutics
#18
Liwei Lang, Chloe Shay, Xiangdong Zhao, Yong Teng
BACKGROUND: Although major improvements have been made in surgical management, chemotherapeutic, and radiotherapeutic of prostate cancer, many prostate cancers remain refractory to treatment with standard agents. Therefore, the identification of new molecular targets in cancer progression and development of novel therapeutic strategies to target them are very necessary for achieving better survival for patients with prostate cancer. Activation of small GTPases such as Ras and Arf1 is a critical component of the signaling pathways for most of the receptors shown to be upregulated in advanced prostate cancer...
August 23, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28814318/annexin-a2-could-enhance-multidrug-resistance-by-regulating-nf-%C3%AE%C2%BAb-signaling-pathway-in-pediatric-neuroblastoma
#19
Yi Wang, Kai Chen, Yihong Cai, Yuanxia Cai, Xiaojun Yuan, Lifeng Wang, Zhixiang Wu, Yeming Wu
BACKGROUND: Chemotherapy is one of major therapeutic regimens for neuroblastoma (NB) in children. However, recurrence and metastasis associated with poor prognosis caused by acquired multidrug resistance remains a challenge. There is a great need to achieve new insight into the molecular mechanism of drug resistance in NB. The aim of this study is to identify novel drug sensitivity-related biomarkers as well as new therapeutic targets to overcome chemoresistance. METHODS: We proteome-wide quantitatively compared protein expression of two NB cell lines with different drug sensitivities, isolated from the same patient prior to and following chemotherapy...
August 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28810896/silencing-the-girdin-gene-enhances-radio-sensitivity-of-hepatocellular-carcinoma-via-suppression-of-glycolytic-metabolism
#20
Li Yu, Yifan Sun, Jingjing Li, Yan Wang, Yuxing Zhu, Yong Shi, Xiaojun Fan, Jianda Zhou, Ying Bao, Jie Xiao, Ke Cao, Peiguo Cao
BACKGROUND: Radiotherapy has been used increasingly to treat primary hepatocellular carcinoma. Clinically, the main cause of radiotherapy failure is cellular radioresistance, conferred via glycolytic metabolism. Our previous study demonstrated that Girdin is upregulated in primary hepatocellular carcinoma and promotes the invasion and metastasis of tumor cells. However, whether Girdin underlies the radio-sensitivity of hepatocellular carcinoma remains unclear. METHODS: A short hairpin RNA (shRNA) was used to silence CCDC88A (encoding Girdin), and real-time PCR was performed to determine CCDC88A mRNA expression...
August 15, 2017: Journal of Experimental & Clinical Cancer Research: CR
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