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https://www.readbyqxmd.com/read/28549352/eye-abduction-reduces-but-does-not-eliminate-competition-in-the-oculomotor-system
#1
Paul J Boon, Jan Theeuwes, Artem V Belopolsky
Although it is well established that there is a tight coupling between covert attention and the eye movement system there is an ongoing controversy whether this relationship is functional. Previous studies demonstrated that disrupting the ability to execute an eye movement interferes with the allocation of covert attention. One technique that prevents the execution of an eye movement involves the abduction of the eye in the orbit while presenting the stimuli outside of the effective oculomotor range (Craighero, Nascimben, & Fadiga, 2004)...
May 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28549345/a-novel-synthetic-derivative-of-quercetin-8-trifluoromethyl-3-5-7-3-4-o-pentamethyl-quercetin-inhibits-bladder-cancer-growth-by-targeting-the-ampk-mtor-signaling-pathway
#2
Ting Tao, Caimei He, Jun Deng, Yanjun Huang, Qiongli Su, Mei Peng, Meiling Yi, Kwame Oteng Darko, Hui Zou, Xiaoping Yang
Quercetin is a naturally existing compound and shows attractive anticancer properties for a variety of solid tumors including glioma, bladder cancer, hepatocellular carcinoma, breast cancer, hematological malignancies and prostate carcinoma. However, these anticancer properties have not been clinically approved due to unclear mechanistic information and its low bioactivity. In our previous study, we elucidated that quercetin activates AMPK pathway which is the major mechanism for its unique anticancer effect in bladder cancer...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549344/metformin-increases-chemo-sensitivity-via-gene-downregulation-encoding-dna-replication-proteins-in-5-fu-resistant-colorectal-cancer-cells
#3
Sung-Hee Kim, Soon-Chan Kim, Ja-Lok Ku
Metformin is most widely prescribed for type 2 diabetes. Recently, evidences have shown that metformin has anticancer effects on pancreatic-, colorectal-, ovarian-, and other cancers. Because metformin has less adverse effects and is inexpensive, it could be a useful chemo-therapeutic agent with anticancer effects. In this study, we demonstrated metformin inhibited by cell proliferation, cell migration ability, clonogenic ability, and cancer stem cell population. Metformin also induced cell cycle arrest in parental-(SNU-C5), and 5-Fu resistant-colorectal cancer cell line (SNU-C5_5FuR)...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549342/mgr1-antigen-37-kda-laminin-receptor-precursor-promotes-cellular-prion-protein-induced-multi-drug-resistance-of-gastric-cancer
#4
Guanhong Luo, Weijie Wang, Qiong Wu, Yuanyuan Lu, Tao Su, Nan Gu, Kai Li, Jingbo Wang, Rui Du, Xiaodi Zhao, Xiaohua Li, Rui Fan, Hongbo Zhang, Yongzhan Nie, Xinmin Zhou, Yongquan Shi, Jie Liang, Xin Wang, Daiming Fan
Cellular prion protein (PrPC), the infective agent of transmissible spongiform encephalopathies, is thought to be related to several cellular physiological and physiopathological processes. We have previously reported that PrPC participates in multi-drug-resistance of gastric cancer. As the salient ligand molecule of PrP for participating in internalization and propagation of the scrapie form of prion protein (PrPSc), 37 kDa laminin receptor precursor protein (37LRP) shared the same gene coding sequence of MGr1-Ag, another protein previously found to be involved in multi-drug-resistance of gastric cancer in our lab...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549341/cdk1-interacts-with-iaspp-to-regulate-colorectal-cancer-cell-proliferation-through-p53-pathway
#5
Wei Gan, Hua Zhao, Tiegang Li, Kuijie Liu, Jiangsheng Huang
CDK1 (cyclin-dependent kinase 1) is a critical regulator of the G2-M checkpoint. CDK1 is considered a possible target for cancer treatment. In addition to CDK1, iASPP plays essential role in maintaining cancer cell proliferation. In the present study, we monitored the expression of CDK1 and iASPP at mRNA and protein levels in CRC tissues and cell lines; we also predicted that iASPP protein might interact with CDK1 protein. By performing GST pull-down assay and Co-IP assay, we confirmed the interaction of CDK1 and iASPP protein...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549321/studies-on-free-radical-scavenging-cancer-cell-antiproliferation-and-calf-thymus-dna-interaction-of-schiff-bases
#6
Cleiton M da Silva, Marina M Silva, Fabiano S Reis, Ana Lúcia T G Ruiz, João E de Carvalho, Josué C C Santos, Isis M Figueiredo, Rosemeire B Alves, Luzia V Modolo, Ângelo de Fátima
Thirty-nine Schiff bases were synthesized by performing microwave-assisted condensation of the corresponding aldehydes and aromatic amines. Their reactive nitrogen species (RNS) scavenging activity and inhibitory effects against cancer cell growth were then subsequently investigated. Additionally, the interaction between the calf thymus DNA (ctDNA) and selected Schiff bases was evaluated using fluorescence spectroscopy, and their binding parameters were determined. The yields of the various compounds ranged from moderate to excellent (43-99%) after only a 2-min reaction...
May 17, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28549273/body-weight-supported-bedside-treadmill-training-facilitates-ambulation-in-icu-patients-an-interventional-proof-of-concept-study
#7
Juultje Sommers, Denise C Wieferink, Dave A Dongelmans, Frans Nollet, Raoul H H Engelbert, Marike van der Schaaf
PURPOSE: Early mobilisation is advocated to improve recovery of intensive care unit (ICU) survivors. However, severe weakness in combination with tubes, lines and machinery are practical barriers for the implementation of ambulation with critically ill patients. The aim of this study was to explore the feasibility of Body Weight-Supported Treadmill Training (BWSTT) in critically ill patients in the ICU. METHODS: A custom build bedside Body Weight-Supported Treadmill was used and evaluated in medical and surgical patients in the ICU...
May 13, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28549265/facile-screening-of-potential-xenoestrogens-by-an-estrogen-receptor-based-reusable-optical-biosensor
#8
Lanhua Liu, Xiaohong Zhou, Yun Lu, Didi Shan, Bi Xu, Miao He, Hanchang Shi, Yi Qian
The apparent increase in hormone-induced cancers and disorders of the reproductive tract has led to a growing demand for new technologies capable of screening xenoestrogens. We reported an estrogen receptor (ER)-based reusable fiber biosensor for facile screening estrogenic compounds in environment. The bioassay is based on the competition of xenoestrogens with 17β-estradiol (E2) for binding to the recombinant receptor of human estrogen receptor α (hERα) protein, leaving E2 free to bind to fluorophore-labeled anti-E2 monoclonal antibody...
May 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28549257/human-somatic-cells-deficient-for-rad52-are-impaired-for-viral-integration-and-compromised-for-most-aspects-of-homology-directed-repair
#9
Yinan Kan, Nizar N Batada, Eric A Hendrickson
Homology-directed repair (HDR) maintains genomic integrity by eliminating lesions such as DNA double-strand breaks (DSBs), interstrand crosslinks (ICLs) and stalled replication forks and thus a deficiency in HDR is associated with genomic instability and cancer predisposition. The mechanism of HDR is best understood and most rigorously characterized in yeast. The inactivation of the fungal radiation sensitive 52 (RAD52) gene, which has both recombination mediator and single-strand annealing (SSA) activities in vitro, leads to severe HDR defects in vivo...
May 10, 2017: DNA Repair
https://www.readbyqxmd.com/read/28549248/metastatic-chromophobe-renal-cell-carcinoma-treated-with-targeted-therapies-a-renal-cross-channel-group%C3%A2-study
#10
Emeline Colomba, Gwénaël Le Teuff, Tim Eisen, Grant D Stewart, Kate Fife, James Larkin, Andrea Biondo, Lisa Pickering, Anandagopal Srinivasan, Helen Boyle, Lisa Derosa, Cora N Sternberg, Federica Recine, Christy Ralph, Carolina Saldana, Philippe Barthélémy, Jean Christophe Bernhard, Howard Gurney, Gregory Verhoest, Elodie Vauleon, Pierre Bigot, Julien Berger, Christian Pfister, Gwenaelle Gravis, Jean-Michel Rodier, Stéphane Culine, Armelle Caty, Frederic Rolland, Franck Priou, Bernard Escudier, Laurence Albiges
BACKGROUND: Treatment of non-clear cell renal cell carcinoma (RCC) remains controversial despite several recent prospective studies of targeted therapies (TT). Often Vascular Endothelial growth Factor (VEGF) and Mammalian Target of Rapamycin (mTOR) inhibitors are used, extrapolating the data from use of these agents in clear cell RCC. METHODS: We performed a retrospective data analysis within the Renal Cross Channel Group to determine metastatic chromophobe RCC (mChRCC) outcomes in the TT era...
May 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28549247/individuals-with-clinically-significant-insomnia-symptoms-are-characterised-by-a-negative-sleep-related-expectancy-bias-results-from-a-cognitive-experimental-assessment
#11
Hannah Courtauld, Lies Notebaert, Bronwyn Milkins, Simon D Kyle, Patrick J F Clarke
Cognitive models of insomnia consistently suggest that negative expectations regarding the consequences of poor sleep contribute to the maintenance of insomnia. To date, however, no research has sought to determine whether insomnia is indeed characterised by such a negative sleep-related expectancy bias, using objective cognitive assessment tasks which are more immune to response biases than questionnaire assessments. Therefore, the current study employed a reaction-time task assessing biased expectations among a group with clinically significant insomnia symptoms (n = 30) and a low insomnia symptoms group (n = 40)...
May 17, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28549244/ll-37-induced-human-mast-cell-activation-through-g-protein-coupled-receptor-mrgx2
#12
Yangyang Yu, Yuanyuan Zhang, Yarui Zhang, Yihong Lai, Wenwen Chen, Zhangang Xiao, Wei Zhang, Meiling Jin, Bo Yu
Human LL-37 is an important class of cationic antimicrobial peptide (CAP) that is known to stimulate mast cell activation. While many studies have been conducted on LL-37, to date little is known about the functional receptors for LL-37-induced human mast cell activation, in particular in terms of the release of de novo synthesized mediators. Thus, the aim of the present study is to identify the functional receptors for LL-37-induced human mast cell activation in terms of the degranulation and release of de novo synthesized mediators and investigate the downstream signalling pathways involved in mast cell activation...
May 23, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28549228/is-cabozantinib-really-better-than-sunitinib-as-first-line-treatment-of-metastatic-renal-cell-carcinoma
#13
Sebastiano Buti, Melissa Bersanelli
No abstract text is available yet for this article.
June 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28549219/design-synthesis-and-properties-of-a-potent-inhibitor-of-pseudomonas-aeruginosa-deacetylase-lpxc
#14
Grazia Piizzi, David T Parker, Yunshan Peng, Markus Rolf Dobler, Anup Patnaik, Som Wattanasin, Eugene Liu, Francois Lenoir, Jill Nunez, John Kerrigan, David McKenney, Colin S Osborne, Donghui Yu, Leanne Lanieri, Jade Bojkovic, JoAnne Dzink-Fox, Maria-Dawn Lilly, Elizabeth R Sprague, Yipin Lu, Hongming Wang, Srijan Ranjitkar, Bing Wang, Meir Glick, Lawrence G Hamann, Ruben Tommasi, Xia Yang, Charles R Dean
Over the past several decades the frequency of antibacterial resistance in hospitals, including multi-drug resistance (MDR) and its association with serious infectious diseases, has increased at alarming rates. Pseudomonas aeruginosa is a leading cause of nosocomial infections, and resistance to virtually all approved antibacterial agents is emerging in this pathogen. To address the need for new agents to treat MDR P. aeruginosa, we focused on inhibiting the first committed step in the biosynthesis of lipid A, the deacetylation of uridyldiphospho-3-O-(R-hydroxydecanoyl)-N-acetylglucosamine by the enzyme LpxC...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28549191/maintenance-of-phosphate-homeostasis-and-root-development-are-coordinately-regulated-by-myb1-an-r2r3-type-myb-transcription-factor-in-rice
#15
Mian Gu, Jun Zhang, Huanhuan Li, Daqian Meng, Ran Li, Xiaoli Dai, Shichao Wang, Wei Liu, Hongye Qu, Guohua Xu
The adaptive responses of plants to phosphate (Pi) starvation stress are fine-tuned by an elaborate regulatory network. In this study, we identified and characterized a novel Pi starvation-responsive gene, MYB1, encoding an R2R3-type transcription factor in rice. MYB1 was transcriptionally induced in leaf sheaths and old leaf blades. It was localized to the nucleus and expressed mainly in vascular tissues. Mutation of MYB1 led to an increase in Pi uptake and accumulation, accompanied by altered expression of a subset of Pi transporters and several genes involved in Pi starvation signaling...
May 26, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28549175/selfing-in-haploid-plants-and-efficacy-of-selection-codon-usage-bias-in-the-model-moss-physcomitrella-patens
#16
Péter Szövényi, Kristian K Ullrich, Stefan A Rensing, Daniel Lang, Nico van Gessel, Hans K Stenøien, Elena Conti, Ralf Reski
Long term reduction in effective population size will lead to major shift in genome evolution. In particular, when effective population size is small, genetic drift becomes dominant over natural selection. The onset of self-fertilization is one evolutionary event considerably reducing effective size of populations. Theory predicts that this reduction should be more dramatic in organisms capable for haploid than for diploid selfing. Although theoretically well-grounded, this assertion received mixed experimental support...
May 26, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28549161/cigarette-smoking-cessation-intervention-for-buprenorphine-treatment-patients
#17
Sharon M Hall, Gary Humfleet, James Gasper, Kevin L Delucchi, David Hersh, Joseph Guydish
Introduction: Patients receiving Medication Assisted Therapy (MAT) for opioid use disorder have high cigarette smoking rates. Cigarette smoking interventions have had limited success. We evaluated an intervention to increase cigarette abstinence rates in patients receiving buprenorphine-assisted therapy. Methods: Cigarette smokers (N=175; 78% male; 69% Caucasian; 20% Hispanic), recruited from a buprenorphine clinic were randomly assigned to either an extended innovative system intervention (E-ISI) or to Standard Treatment Control (STC)...
May 26, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28549085/line-scan-focal-modulation-microscopy
#18
Shilpa Pant, Caixia Li, Zhiyuan Gong, Nanguang Chen
No abstract text is available yet for this article.
May 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28549027/a-minimally-invasive-stand-alone-cox-maze-procedure-is-as-effective-as-median-sternotomy-approach
#19
Matthew R Schill, Laurie A Sinn, Jason W Greenberg, Matthew C Henn, Timothy S Lancaster, Richard B Schuessler, Hersh S Maniar, Ralph J Damiano
OBJECTIVE: The Cox-Maze IV procedure has been shown to be an effective treatment for atrial fibrillation when performed concomitantly with other operations either via median sternotomy or right minithoracotomy. Few studies have compared these approaches in patients with lone atrial fibrillation. This study examined outcomes with sternotomy versus minithoracotomy in stand-alone Cox-Maze IV procedures at our institution. METHODS: Between 2002 and 2015, 195 patients underwent stand-alone biatrial Cox-Maze IV...
May 25, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28548989/imaging-adult-patients-with-fontan-circulation
#20
Salil Ginde, Benjamin H Goot, Peter C Frommelt
PURPOSE OF REVIEW: Survival after the Fontan procedure for palliation of single ventricle congenital heart disease has improved. However, adults with Fontan circulation are at risk for several complications including heart failure, thromboembolism, and protein-losing enteropathy. This review discusses the role of noninvasive imaging for surveillance and early detection of anatomic and functional abnormalities of the Fontan circulation that can impact the risk for Fontan failure over time...
May 25, 2017: Current Opinion in Cardiology
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