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https://www.readbyqxmd.com/read/29679856/b7-h6-expression-is-induced-by-lipopolysaccharide-and-facilitates-cancer-invasion-and-metastasis-in-human-gliomas
#1
Fengyuan Che, Xiaoli Xie, Long Wang, Quanping Su, Feiyu Jia, Yufu Ye, Lanlan Zang, Jing Wang, Hongyan Li, Yanchun Quan, Cuiping You, Jiawei Yin, Zhiqiang Wang, Gen Li, Yifeng Du, Lijuan Wang
Although great progress has been made in treatment regimens, gliomas are still incurable and the 5-year survival remains poor. Studies focusing on molecules that regulate tumorigenesis or tumor immunity may provide potential therapeutic strategies for patients with glioma. B7-H6 is selectively expressed in tumor cells and plays vital roles in host immune responses. In this study, we demonstrated that B7-H6 was expressed in glioma cell lines, including CRT, U251, SHG-44, SF-295, TG-905 and U373, and tumor tissues isolated from glioma patients...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679656/pd-1-blocks-lytic-granule-polarization-with-concomitant-impairment-of-integrin-outside-in-signaling-in-natural-killer-cell-immunological-synapse
#2
Yu Huang, Zhiying Chen, Joon Hee Jang, Mirza S Baig, Grant Bertolet, Casey Schroeder, Shengjian Huang, Qian Hu, Yong Zhao, Dorothy E Lewis, Lidong Qin, Michael Xi Zhu, Dongfang Liu
BACKGROUND: Inhibitory receptor programmed cell death protein-1 (PD-1) is upregulated on a variety of immune cells, including natural killer (NK) cells, during chronic virus infection and tumorigenesis. Blockade of PD-1 or its ligands produces durable clinical responses with tolerable side effects in patients with a broad spectrum of cancers. However, the underlying molecular mechanisms of how PD-1 regulates NK cell function remain poorly characterized. OBJECTIVE: We sought to determine what effect PD-1 signaling has on NK cells...
April 18, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29679592/multiple-coagulation-factor-deficiency-protein-2-as-a-crucial-component-in-metastasis-of-human-oral-cancer
#3
Megumi Fukamachi, Atsushi Kasamatsu, Yosuke Endo-Sakamoto, Kazuaki Fushimi, Hiroki Kasama, Manabu Iyoda, Yasuyuki Minakawa, Masashi Shiiba, Hideki Tanzawa, Katsuhiro Uzawa
Multiple coagulation factor deficiency protein 2 (MCFD2), a binding partner of lectin mannose binding 1 (LMAN1), causes combined deficiencies of coagulation factors V and VIII. MCFD2 function in inherited hematologic disorders is well elucidated; however, little is known about its role in human tumorigenesis. The aim of the current study was to investigate the states of MCFD2 in oral squamous cell carcinoma (OSCC). The expression of MCFD2 was up-regulated significantly in all cell lines examined. Evaluation of the cellular functions associated with tumoral metastasis showed that MCFD2 knockdown (shMCFD2) cells exhibited significantly lower cellular invasiveness and migration and higher cellular adhesion compared with shControl cells...
April 18, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29679050/misp-regulates-the-iqgap1-cdc42-complex-to-collectively-orchestrate-spindle-orientation-and-mitotic-progression
#4
Barbara Vodicska, Berati Cerikan, Elmar Schiebel, Ingrid Hoffmann
Precise mitotic spindle orientation is essential for both cell fate and tissue organization while defects in this process are associated with tumorigenesis and other diseases. In most animal cell types, the dynein motor complex is anchored at the cell cortex and exerts pulling forces on astral microtubules to position the spindle. The actin-binding protein MISP controls spindle orientation and mitotic progression in human cells. However, the exact underlying mechanism remains to be elucidated. Here we report that MISP interacts with the multidomain scaffolding protein IQGAP1...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678899/zfas1-functions-as-an-oncogenic-long-noncoding-rna-in-bladder-cancer
#5
Haifan Yang, Ge Li, Bo Cheng, Rui Jiang
Long non-coding RNA ZFAS1 has been suggested to function as an oncogenic role in the tumorigenesis of human malignant tumors. However, the expression status and biological function of ZFAS1 in bladder cancer is still unknown. Thus, the purpose of this study is to explore the clinical value of ZFAS1 in bladder cancer patient, and the biological function of ZFAS1 in bladder cancer cell. In the present study, we found ZFAS1 expression was increased in bladder cancer tissues compared with paired adjacent normal tissues through analyzing the Cancer Genome Atlas database...
April 20, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29678897/lack-of-associations-between-aurka-gene-polymorphisms-and-neuroblastoma-susceptibility-in-chinese-children
#6
Jue Tang, Yuanmin Qian, Jinhong Zhu, Jiao Zhang, Feng-Hua Wang, Jia-Hang Zeng, Jiang-Hua Liang, Hui Wang, Huimin Xia, Jing He, Wei Liu
Previous studies have demonstrated that polymorphisms in the AURKA gene are associated with various types of cancer. In neuroblastoma, AURKA protein product regulates N-myc protein levels and plays a critical role in tumorigenesis. To investigate the association between three AURKA polymorphisms (rs1047972 C>T, rs2273535 T>A and rs8173 G>C) and neuroblastoma susceptibility in Chinese populations, we performed this two-center case-control study including 393 neuroblastoma cases and 812 controls. Two study populations were recruited from two different regions in China...
April 20, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29678846/the-predictive-significance-of-metastasis-associated-in-colon-cancer-1-macc1-in-primary-breast-cancer
#7
Jasminka Prguda-Mujic, Karin Milde-Langosch, Volkmar Mueller, Mirza Suljagic, Jozo Coric, Daria Ler
BACKGROUND: Metastasis-Associated in Colon Cancer-1(MACC1) was first identified as a transcriptional activator of the HGF/MET pathway. Deregulation of HGF/MET signaling is reported as a prognostic marker for tumorigenesis, early stage invasion, and metastasis which is associated with poor clinical outcome in breast cancer patients. The aim of the present study was to further investigate the prognostic or predictive value of MACC1 expression in breast cancer. MATERIALS AND METHODS: We analyzed the MACC1 expression in 105 primary breast cancer samples by Western-Blot analysis and immunohistochemistry...
March 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29678665/the-impact-of-pericytes-on-the-brain-and-approaches-for-their-morphological-analysis
#8
REVIEW
Yaroslav Kolinko, Milena Kralickova, Zbynek Tonar
The interest in investigating brain pericytes is growing due to their diverse influences on neuronal function. While numerous studies have investigated the particular properties and functions of pericytes, complex insight into their functional histology is often lacking. In this work, we review and combine the current knowledge regarding brain pericyte function in normal physiology and its role in the pathogenesis of neurodegenerative diseases and tumorigenesis. Special attention is paid to the interaction between the components of the neurovascular unit...
April 17, 2018: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/29677490/egfr-phosphorylated-platelet-isoform-of-phosphofructokinase-1-promotes-pi3k-activation
#9
Jong-Ho Lee, Rui Liu, Jing Li, Yugang Wang, Lin Tan, Xin-Jian Li, Xu Qian, Chuanbao Zhang, Yan Xia, Daqian Xu, Wei Guo, Zhiyong Ding, Linyong Du, Yanhua Zheng, Qianming Chen, Philip L Lorenzi, Gordon B Mills, Tao Jiang, Zhimin Lu
EGFR activates phosphatidylinositide 3-kinase (PI3K), but the mechanism underlying this activation is not completely understood. We demonstrated here that EGFR activation resulted in lysine acetyltransferase 5 (KAT5)-mediated K395 acetylation of the platelet isoform of phosphofructokinase 1 (PFKP) and subsequent translocation of PFKP to the plasma membrane, where the PFKP was phosphorylated at Y64 by EGFR. Phosphorylated PFKP binds to the N-terminal SH2 domain of p85α, which is distinct from binding of Gab1 to the C-terminal SH2 domain of p85α, and recruited p85α to the plasma membrane resulting in PI3K activation...
April 19, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29675979/senescent-cells-re-engineered-to-express-spd-1-for-inhibiting-pd-1-pd-l1-as-a-vaccination-approach-against-breast-cancer
#10
Zehong Chen, Kang Hu, Lieting Feng, Ruxiong Su, Nan Lai, Zike Yang, Shijun Kang
Various types of vaccines have been proposed as approaches for prevention or delay of the onset of cancer by boosting the endogenous immune system. We previously developed a senescent-cell-based vaccine, induced by radiation and veliparib, as a preventive and therapeutic tool against triple-negative breast cancer. However, the PD-1/PD-L1 pathway was found to play an important role in vaccine failure. Hence, we further developed sPD1-expressing senescent cells to overcome PD-L1/PD1-mediated immune suppression while vaccinating to promote dendritic cells (DCs) maturity, thereby amplifying T cell activation...
April 20, 2018: Cancer Science
https://www.readbyqxmd.com/read/29675680/a-randomized-double-blind-phase-2-study-of-ruxolitinib-or-placebo-in-combination-with-capecitabine-in-patients-with-advanced-her2-negative-breast-cancer-and-elevated-c-reactive-protein-a-marker-of-systemic-inflammation
#11
Joyce O'Shaughnessy, Angela DeMichele, Cynthia X Ma, Paul Richards, Denise A Yardley, Gail Shaw Wright, Kevin Kalinsky, Ronald Steis, Sami Diab, Gerard Kennealey, Ryan Geschwindt, Wei Jiang, Hope S Rugo
PURPOSE: The Janus-associated kinase (JAK)/signal transducer and activator of transcription pathway is a key regulator of inflammatory signaling, associated with tumorigenesis, cell survival, and progression. This randomized phase 2 trial evaluated the efficacy and safety of the addition of ruxolitinib, a JAK1/JAK2 inhibitor, to capecitabine in patients with HER2-negative advanced breast cancer and high systemic inflammation (modified Glasgow Prognostic Score [mGPS] ≥ 1). METHODS: Patients with ≤ 2 prior chemotherapy regimens for advanced or metastatic disease or hormone receptor-positive patients with disease progression on prior hormonal therapies were randomized 1:1 to 21-day cycles of ruxolitinib (n = 76) or placebo (n = 73) plus capecitabine...
April 19, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29675113/downregulation-of-bancr-promotes-aggressiveness-in-papillary-thyroid-cancer-via-the-mapk-and-pi3k-pathways
#12
Jinjun Zhang, Yaying Du, Xiaoxue Zhang, Mengchen Li, Xingrui Li
Recent evidence indicates that long non-coding RNAs play important roles in tumorigenesis and cancer progression. BRAF -activated non-protein coding RNA ( BANCR ) is a novel and potential regulator of cancer cell proliferation and migration. However, little is known regarding the role of BANCR in papillary thyroid cancer (PTC). The current study used quantitative PCR to demonstrate that BANCR was significantly downregulated in 60 paired PTC tissues compared with normal tissues. In addition, BANCR was significantly correlated with lymph node metastasis ( p = 0...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29675107/reassessing-the-potential-of-myb-targeted-anti-cancer-therapy
#13
REVIEW
Xiaofeng Liu, Yunxiao Xu, Liping Han, Yan Yi
Transcription factor MYB is essential for the tumorigenesis of multiple cancers, especially leukemia, breast cancer, colon cancer, adenoid cystic carcinoma and brain cancer. Thus, MYB has been regarded as an attractive target for tumor therapy. However, pioneer studies of antisense oligodeoxynucleotides against MYB, which were launched three decades ago in leukemia therapy, were discontinued because of their unsatisfactory clinical outcomes. In recent years, the roles of MYB in tumor transformation have become increasingly clear...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29675003/role-of-micrornas-and-exosomes-in-helicobacter-pylori-and-epstein-barr-virus-associated-gastric-cancers
#14
REVIEW
Iva Polakovicova, Sofia Jerez, Ignacio A Wichmann, Alejandra Sandoval-Bórquez, Nicolás Carrasco-Véliz, Alejandro H Corvalán
Emerging evidence suggests that chronic inflammation caused by pathogen infection is connected to the development of various types of cancer. It is estimated that up to 20% of all cancer deaths is linked to infections and inflammation. In gastric cancer, such triggers can be infection of the gastric epithelium by either Helicobacter pylori ( H. pylori ), a bacterium present in half of the world population; or by Epstein-Barr virus (EBV), a double-stranded DNA virus which has recently been associated with gastric cancer...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29674595/developmental-and-oncogenic-programs-in-h3k27m-gliomas-dissected-by-single-cell-rna-seq
#15
Mariella G Filbin, Itay Tirosh, Volker Hovestadt, McKenzie L Shaw, Leah E Escalante, Nathan D Mathewson, Cyril Neftel, Nelli Frank, Kristine Pelton, Christine M Hebert, Christine Haberler, Keren Yizhak, Johannes Gojo, Kristof Egervari, Christopher Mount, Peter van Galen, Dennis M Bonal, Quang-De Nguyen, Alexander Beck, Claire Sinai, Thomas Czech, Christian Dorfer, Liliana Goumnerova, Cinzia Lavarino, Angel M Carcaboso, Jaume Mora, Ravindra Mylvaganam, Christina C Luo, Andreas Peyrl, Mara Popović, Amedeo Azizi, Tracy T Batchelor, Matthew P Frosch, Maria Martinez-Lage, Mark W Kieran, Pratiti Bandopadhayay, Rameen Beroukhim, Gerhard Fritsch, Gad Getz, Orit Rozenblatt-Rosen, Kai W Wucherpfennig, David N Louis, Michelle Monje, Irene Slavc, Keith L Ligon, Todd R Golub, Aviv Regev, Bradley E Bernstein, Mario L Suvà
Gliomas with histone H3 lysine27-to-methionine mutations (H3K27M-glioma) arise primarily in the midline of the central nervous system of young children, suggesting a cooperation between genetics and cellular context in tumorigenesis. Although the genetics of H3K27M-glioma are well characterized, their cellular architecture remains uncharted. We performed single-cell RNA sequencing in 3321 cells from six primary H3K27M-glioma and matched models. We found that H3K27M-glioma primarily contain cells that resemble oligodendrocyte precursor cells (OPC-like), whereas more differentiated malignant cells are a minority...
April 20, 2018: Science
https://www.readbyqxmd.com/read/29674294/discovery-of-new-benzensulfonamide-derivatives-as-tripedal-stat3-inhibitors
#16
Jianpeng Guo, Wenying Yu, Guiping Cai, Wenda Zhang, Shanshan Li, Jiawen Zhu, Dongmei Song, Lingyi Kong
Persistent activated STAT3 has a striking correlation with cancer development and inhibition of STAT3 signaling pathway is a novel therapeutic way for human cancers. Among STAT family, STAT1 and STAT3 play opposite roles in tumorigenesis. However, the discovery of selective STAT3 inhibitors is still challenging to date. In this study, a series of small-molecular (MW < 500) benzensulfanilamide derivatives were designed to selectively suppress STAT3 activation for anti-cancer treatment. The most potent compound 11 inhibited both overexpressed and IL-6 induced STAT3 phosphorylation, whereas 11 displayed little effect on the phosphorylation of other STAT isoforms STAT1, STAT5, demonstrating 11 was a selective STAT3 inhibitor...
April 4, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29674280/the-chemotherapeutic-effect-of-%C3%AE-2-himachalen-6-ol-in-chemically-induced-skin-tumorigenesis
#17
Hamid E Daaboul, Carole Dagher, Robin I Taleb, Kikki Bodman-Smith, Wassim N Shebaby, Mirvat El-Sibai, Mohamad A Mroueh, Costantine F Daher
β-2-himachalen-6-ol (HC), a novel sesquiterpene derived from Lebanese wild carrot, was shown to possess a remarkable anticancer activity. The present study investigates the in vitro anticancer activity of HC and its effect on papillomas induced using a DMBA/TPA skin carcinogenesis mouse model. HaCaT-ras II-4 epidermal squamous cell viability was assessed using WST-1 kit. Cell cycle was analyzed by flow cytometry, and pro/anti-apoptotic proteins were measured using western blot. Mice papillomas were induced by DMBA and promoted with TPA for 18 weeks...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29674277/long-noncoding-rna-foxd2-as1-accelerates-the-gemcitabine-resistance-of-bladder-cancer-by-sponging-mir-143
#18
Qing An, Liyang Zhou, Nan Xu
Increasing evidences have proved that long noncoding RNAs (lncRNAs) modulate the tumorigenesis of bladder cancer involved in multiple pathophysiological processes. In the study, we investigate the role of lncRNA FOXD2-AS1 in the gemcitabine (GEM) resistant bladder cancer and explore its potential mechanism. Results showed that lncRNA FOXD2-AS1 was high-expressed in gemcitabine-resistant bladder cancer cells. In vitro experiments, FOXD2-AS1 knockdown suppressed the 50% inhibitive concentration (IC50) of gemcitabine, drug-resistance related genes (MDR1, MRP2, LRP1) expression, invasion and ABCC3 protein expression in gemcitabine-resistant bladder cancer cells (T24/GEM, 5637/GEM)...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29674272/copb2-promotes-cell-proliferation-and-tumorigenesis-through-up-regulating-yap1-expression-in-lung-adenocarcinoma-cells
#19
Xiaolin Pu, Jun Wang, Wei Li, Weifei Fan, Lin Wang, Yuan Mao, Shu Yang, Suyao Liu, Juqing Xu, Zhigang Lv, Lin Xu, Yongqian Shu
Lung adenocarcinoma is the most common subtype of non-small cell lung cancer and responsible for more than 500,000 deaths per year worldwide. In this study, we aimed to explore the effects of COPB2 in the progression of lung adenocarcinoma and its underlying mechanism. The mRNA and protein levels of COPB2 in tumor tissues and cell lines were determined by qRT-PCR and western blotting analysis. siRNAs and over-expressed vector targeting COPB2 were used to down-regulate and up-regulate COPB2 expression in lung adenocarcinoma cell lines H1975...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29674112/cadherin-profiling-for-therapeutic-interventions-in-epithelial-mesenchymal-transition-emt-and-tumorigenesis
#20
REVIEW
Mintu Pal, Sourya Bhattacharya, Gazal Kalyan, Saugata Hazra
The major hallmarks of Epithelial-Mesenchymal Transition (EMT) is the loss of epithelial cell polarity and loss of expression of the cell- cell adhesion molecule like E-cadherin and acquired mesenchymal cells marker called N-Cadherin. This phenotypical changes of E-M plasticity of cells is extensively considered to be a crucial factor for tumor cells invasion and cancer metastasis; landmark events for transforming a locally growing tumor (benign tumor) into a systemic and live-threatening disease (malignant tumor)...
April 16, 2018: Experimental Cell Research
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