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https://www.readbyqxmd.com/read/28445991/human-epidermal-growth-factor-receptor-2-expression-is-more-important-than-bacillus-calmette-guerin-treatment-in-predicting-the-outcome-of-t1g3-bladder-cancer
#1
Luigi Cormio, Francesca Sanguedolce, Antonella Cormio, Paolo Massenio, Maria Carmela Pedicillo, Simona Cagiano, Giuseppe Calò, Vincenzo Pagliarulo, Giuseppe Carrieri, Pantaleo Bufo
In the present study we tested the role of Human Epidermal Growth Factor Receptor-2 (HER-2) expression, as assayed by immunohistochemistry, in predicting recurrence and progression in 67 patients with T1G3 BC having undergone transurethral resection of bladder tumor (TURBT) alone (33) or TURBT + Bacillus Calmette Guerin (BCG) instillations (34). All patients had a negative restaging TURBT within 4 months after the first TURBT. At median follow-up of 75.7 months, the overall disease-free and progression-free rates were 35...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445982/serum-uric-acid-level-as-a-cardio-cerebrovascular-event-risk-factor-in-middle-aged-and-non-obese-chinese-men
#2
Zhi-Jun Li, Chen-Ju Yi, Jing Li, Na Tang
AIM: The role of uric acid as a risk factor for cardio-cerebrovascular diseases is controversial. In this study, we aimed to investigate the relationship between serum uric acid level and the risk of cardio-cerebrovascular events in middle-aged and non-obese Chinese men. METHODS: We included 3152 participants from the health examination center of Tongji Hospital from June 2007 to June 2010. Clinical examination and medical records were collected at the annual health examination...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445954/a-clinically-feasible-multiplex-proteomic-immunoassay-as-a-novel-functional-diagnostic-for-pancreatic-ductal-adenocarcinoma
#3
Kian-Huat Lim, Emma Langley, Feng Gao, Jingqin Luo, Lin Li, Gary Meyer, Phillip Kim, Sharat Singh, Vladamir M Kushnir, Dayna S Early, Daniel K Mullady, Steven A Edmundowicz, Sachin Wani, Faris M Murad, Dengfeng Cao, Riad R Azar, Andrea Wang-Gillam
To date, targeted therapy for pancreatic ductal adenocarcinoma (PDAC) remains largely unsuccessful in the clinic. Current genomics-based technologies are unable to reflect the quantitative, dynamic signaling changes in the tumor, and require larger tumor samples that are difficult to obtain in PDAC patients. Therefore, a highly sensitive functional tool that can reliably and comprehensively inform intra-tumoral signaling events is direly needed to guide treatment decision. We tested the utility of a highly sensitive proteomics-based functional diagnostic platform, Collaborative Enzyme Enhanced Reactive-immunoassay (CEERTM), on fine-needle aspiration (FNA) samples obtained from 102 patients with radiographically-evident pancreatic tumors...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445903/patient-reported-adverse-events-after-colonoscopy-in-norway
#4
Geir Hoff, Thomas de Lange, Michael Bretthauer, Magne Buset, Stein Dahler, Fred-Arne Halvorsen, Jörg Michael Halwe, Mathis Heibert, Ole Høie, Øystein Kjellevold, Volker Moritz, Per Sandvei, Birgitte Seip, Lars Aabakken, Øyvind Holme
Background and aims Patient-reported outcome measures are increasingly important in healthcare. European guidelines have recommended inclusion of patient feedback to capture adverse events due to colonoscopy, but this is rarely implemented. Methods The Norwegian Quality Assurance network for endoscopy (Gastronet) collects patient-reported outcome for colonoscopies. Free-text comments on patient reports from January to December 2015 were characterized as positive or negative. All negative free-text comments were scrutinized for information that might suggest colonoscopy-related adverse events...
April 26, 2017: Endoscopy
https://www.readbyqxmd.com/read/28445886/the-association-of-five-year-changes-in-the-levels-of-n-terminal-fragment-of-the-prohormone-brain-type-natriuretic-peptide-nt-probnp-with-subsequent-heart-failure-and-death-in-patients-with-stable-coronary-artery-disease-the-heart-and-soul-study
#5
Rakesh K Mishra, Gregory Judson, Robert H Christenson, Christopher DeFilippi, Alan H B Wu, Mary A Whooley
BACKGROUND: The N-terminal fragment of the prohormone brain-type natriuretic peptide (NT-proBNP) is a powerful predictor of adverse outcomes in patients with coronary artery disease (CAD). However, little is known regarding the prognostic significance of longitudinal changes in NT-proBNP levels. METHODS: We evaluated the ability of 5-year changes in NT-proBNP levels to predict subsequent heart failure (HF) hospitalization or cardiovascular (CV) death in 635 participants with stable CAD enrolled in the Heart and Soul Study...
April 27, 2017: Cardiology
https://www.readbyqxmd.com/read/28445871/three-year-clinical-outcome-of-patients-with-coronary-disease-and-increased-event-risk-treated-with-newer-generation-drug-eluting-stents-from-the-randomized-dutch-peers-trial
#6
Liefke C van der Heijden, Marlies M Kok, Marije M Löwik, Peter W Danse, Gillian A J Jessurun, Marc Hartmann, Martin G Stoel, K Gert van Houwelingen, Raymond W M Hautvast, Gerard C Linssen, Carine J M Doggen, Clemens von Birgelen
OBJECTIVE: Limited data is available on the long-term outcome of patients with increased cardiovascular event risk, treated with newer-generation durable polymer drug-eluting stents (DES). METHODS: We therefore assessed 3-year follow-up data of high-risk versus low- to intermediate-risk patients of the randomized DUTCH PEERS trial (NCT01331707). In both risk groups we also compared patients treated with Resolute Integrity versus Promus Element DES. Patients were categorized as "high-risk" if they met ≥1 of the following criteria: (1) diabetes (17...
April 27, 2017: Cardiology
https://www.readbyqxmd.com/read/28445859/a-risk-scoring-model-based-on-vital-signs-and-laboratory-data-predicting-transfer-to-the-intensive-care-unit-of-patients-admitted-to-gastroenterology-wards
#7
Won-Young Kim, Jinmi Lee, Ju-Ry Lee, Youn Kyung Jung, Hwa Jung Kim, Jin Won Huh, Chae-Man Lim, Younsuck Koh, Sang-Bum Hong
PURPOSE: To compare the ability of a score based on vital signs and laboratory data with that of the modified early warning score (MEWS) to predict ICU transfer of patients with gastrointestinal disorders. MATERIALS AND METHODS: Consecutive events triggering medical emergency team activation in adult patients admitted to the gastroenterology wards of the Asan Medical Center were reviewed. Binary logistic regression was used to identify factors predicting transfer to the ICU...
April 19, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28445858/the-impact-of-minor-blood-transfusion-on-the-outcome-after-coronary-artery-bypass-grafting
#8
Eeva-Maija Kinnunen, Marco Zanobini, Francesco Onorati, Debora Brascia, Giovanni Mariscalco, Ilaria Franzese, Vito G Ruggieri, Karl Bounader, Andrea Perrotti, Francesco Musumeci, Giuseppe Santarpino, Daniele Maselli, Saverio Nardella, Helmut Gulbins, Riccardo Gherli, Antonino S Rubino, Carmelo Mignosa, Marisa De Feo, Giuseppe Gatti, Francesco Santini, Antonio Salsano, Magnus Dalén, Matteo Saccocci, Daniel Reichart, Giuseppe Faggian, Tiziano Gherli, Francesco Nicolini, Fausto Biancari
PURPOSE: To investigate the impact of minor perioperative bleeding requiring transfusion of 1-2 red blood cell (RBC) units on the outcome after coronary artery bypass grafting (CABG). METHODS: Sixteen cardiac surgical centers contributed to the prospective European CABG registry (E-CABG). 1014 patients receiving 1-2 RBC units during or after isolated CABG were compared to 2264 patients not receiving RBCs. RESULTS: In 827 propensity score matched pairs, transfusion of 1-2 RBC units did not affect the risk of in-hospital/30-day death (p=0...
April 19, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28445841/copper-ii-and-iron-iii-ions-inhibit-respiration-and-increase-free-radical-mediated-phospholipid-peroxidation-in-rat-liver-mitochondria-effect-of-antioxidants
#9
Christian Saporito-Magriñá, Rosario Musacco-Sebio, Juan M Acosta, Sofía Bajicoff, Paola Paredes-Fleitas, Sofia Reynoso, Alberto Boveris, Marisa G Repetto
Rat liver mitochondria (1.5-2.1mg protein·mL(-1)) supplemented with either 25 and 100μM Cu(2+) or 100 and 500μM Fe(3+) show inhibition of active respiration (O2 consumption in state 3) and increased phospholipid peroxidation . Liver mitochondria were supplemented with the antioxidants reduced glutathione, N-acetylcysteine or butylated hydroxitoluene, to evaluate their effects on the above-mentioned alterations. Although the mitochondrial dysfunction is clearly associated to phospholipid peroxidation, the different responses to antioxidant supplementation indicate that the metal ions have differences in their mechanisms of toxicity...
April 19, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28445808/treatment-results-in-children-with-myeloid-leukemia-of-down-syndrome-in-saudi-arabia-a-multicenter-saphos-leukemia-group-study
#10
Wasil Jastaniah, Abdulrahman Alsultan, Saad Al Daama, Walid Ballourah, Mohammad Bayoumy, Faisal Al-Anzi, Omar Al Shareef, Mohammed Burhan Abrar, Reem Al Sudairy, Ibrahim Al Ghemlas
Despite the high incidence of Down syndrome (DS) in Arab countires, the incidence and outcomes of myeloid leukemia of DS (ML-DS) have not been studied. We evaluated 206 pediatric acute myeloid leukemia (AML) patients diagnosed between 2005 and 2012 and identified 31 (15%) ML-DS. The incidence of ML-DS was 48 per 100,000 compared to 0.6 per 100,000 for AML in non-DS children. Thus, patients with DS had 80-fold increased risk of ML-DS compared to AML in non-DS children. The median age at diagnosis was 1.8 years, male/female ratio was 1...
April 12, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28445805/fak-phosphorylation-plays-a-central-role-in-thrombin-induced-rpe-cell-migration
#11
E D Aguilar-Solis, A M López-Colomé, I Lee-Rivera, A Alvarez-Arce, E López
The migration of retinal pigment epithelial (RPE) cells is an important step in various pathologic conditions including subretinal neovascularization (SRN), proliferative vitreoretinopathy (PVR) and, importantly, as a consequence of retinal surgery. Therefore, the elucidation of the mechanisms underlying RPE trans-differentiation and migration is essential for devising effective treatments aimed to the prevention of these disorders. A common event in these pathologies is the alteration of the blood-retina barrier (BRB), which allows the interaction of RPE cells with thrombin, a pro-inflammatory protease contained in serum...
April 23, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28445784/brain-potentials-predict-language-selection-before-speech-onset-in-bilinguals
#12
Yan Jing Wu, Guillaume Thierry
Studies of language production in bilinguals have seldom considered the fact that language selection likely involves proactive control. Here, we show that Chinese-English bilinguals actively inhibit the language not-to-be used before the onset of a picture to be named. Depending on the nature of a directive cue, participants named a subsequent picture in their native language, in their second language, or remained silent. The cue elicited a contingent negative variation of event-related brain potentials, greater in amplitude when the cue announced a naming trial as compared to when it announced a silent trial...
April 23, 2017: Brain and Language
https://www.readbyqxmd.com/read/28445783/jump-starting-shared-medical-appointments-for-diabetes-with-weight-management-rationale-and-design-of-a-randomized-controlled-trial
#13
Matthew J Crowley, David Edelman, Corrine I Voils, Matthew L Maciejewski, Cynthia J Coffman, Amy S Jeffreys, Marsha J Turner, Leslie A Gaillard, Teresa A Hinton, Elizabeth Strawbridge, Jennifer Zervakis, Anna Beth Barton, William S Yancy
BACKGROUND: Rates of glycemic control remain suboptimal nationwide. Medication intensification for diabetes can have undesirable side effects (weight gain, hypoglycemia), which offset the benefits of glycemic control. A Shared Medical Appointment (SMA) intervention for diabetes that emphasizes weight management could improve glycemic outcomes and reduce weight while simultaneously lowering diabetes medication needs, resulting in less hypoglycemia and better quality of life. We describe the rationale and design for a study evaluating a novel SMA intervention for diabetes that primarily emphasizes low-carbohydrate diet-focused weight management...
April 23, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28445764/development-of-light-driven-gas-forming-liposomes-for-efficient-tumor-treatment
#14
Jae Min Lee, Yu Seok Youn, Eun Seong Lee
In this study, we report a gas-forming liposome containing 1H-1H-2H-perfluoro-1-hexene (PFH) and gold nanoparticles (AuNPs). These liposomes were rapidly destabilized by external near-infrared (NIR) light, as a result of the vaporization of PFH influenced by an AuNPs-mediated photothermal event. In particular, these liposomes showed the triggered release of the encapsulated D-(KLAKLAK)2 peptide drug. The experimental results demonstrated that the light-irradiated liposomes significantly enhanced in vitro photothermal and D-(KLAKLAK)2 peptide-mediated cell death of CAOV-3 tumor cells...
April 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28445760/determining-the-spatial-relationship-of%C3%A2-membrane-bound-aquaporin-4-autoantibodies-by-sted-nanoscopy
#15
John N Soltys, Stephanie A Meyer, Hannah Schumann, Emily A Gibson, Diego Restrepo, Jeffrey L Bennett
Determining the spatial relationship of individual proteins in dense assemblies remains a challenge for superresolution nanoscopy. The organization of aquaporin-4 (AQP4) into large plasma membrane assemblies provides an opportunity to image membrane-bound AQP4 antibodies (AQP4-IgG) and evaluate changes in their spatial distribution due to alterations in AQP4 isoform expression and AQP4-IgG epitope specificity. Using stimulated emission depletion nanoscopy, we imaged secondary antibody labeling of monoclonal AQP4-IgGs with differing epitope specificity bound to isolated tetramers (M1-AQP4) and large orthogonal arrays of AQP4 (M23-AQP4)...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445759/pulsatile-lipid-vesicles-under-osmotic-stress
#16
Morgan Chabanon, James C S Ho, Bo Liedberg, Atul N Parikh, Padmini Rangamani
The response of lipid bilayers to osmotic stress is an important part of cellular function. Recent experimental studies showed that when cell-sized giant unilamellar vesicles (GUVs) are exposed to hypotonic media, they respond to the osmotic assault by undergoing a cyclical sequence of swelling and bursting events, coupled to the membrane's compositional degrees of freedom. Here, we establish a fundamental and quantitative understanding of the essential pulsatile behavior of GUVs under hypotonic conditions by advancing a comprehensive theoretical model of vesicle dynamics...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445749/equilibrium-ensembles-for-insulin-folding-from-bias-exchange-metadynamics
#17
Richa Singh, Rohit Bansal, Anurag Singh Rathore, Gaurav Goel
Earliest events in the aggregation process, such as single molecule reconfiguration, are extremely important and the most difficult to characterize in experiments. To this end, we have used well-tempered bias exchange metadynamics simulations to determine the equilibrium ensembles of an insulin molecule under amyloidogenic conditions of low pH and high temperature. A bin-based clustering method that uses statistics accumulated in bias exchange metadynamics trajectories was employed to construct a detailed thermodynamic and kinetic model of insulin folding...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445742/beyond-the-bereitschaftspotential-action-preparation-behind-cognitive-functions
#18
REVIEW
F Di Russo, M Berchicci, C Bozzacchi, R L Perri, S Pitzalis, D Spinelli
Research on preparatory brain processes taking place before acting shows unexpected connections with cognitive processing. From 50 years, we know that motor-related brain activity can be measured by electrocortical recordings 1-3s before voluntary actions. This readiness potential has been associated with increasing excitably of premotor and motor areas and directly linked to the kinematic of the upcoming action. Now we know that the mere motor preparation is only one function of a more complex preparatory activity...
April 23, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28445740/right-brain-left-brain-in-depressive-disorders-clinical-and-theoretical-implications-of-behavioral-electrophysiological-and-neuroimaging-findings
#19
REVIEW
Gerard E Bruder, Jonathan W Stewart, Patrick J McGrath
The right and left side of the brain are asymmetric in anatomy and function. We review electrophysiological (EEG and event-related potential), behavioral (dichotic and visual perceptual asymmetry), and neuroimaging (PET, MRI, NIRS) evidence of right-left asymmetry in depressive disorders. Recent electrophysiological and fMRI studies of emotional processing have provided new evidence of altered laterality in depressive disorders. EEG alpha asymmetry and neuroimaging findings at rest and during cognitive or emotional tasks are consistent with reduced left prefrontal activity in depressed patients, which may impair downregulation of amygdala response to negative emotional information...
April 23, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28445734/opposing-actions-of-fgf8a-on-notch-signaling-distinguish-two-muller-glial-cell-populations-that-contribute-to-retina-growth-and-regeneration
#20
Jin Wan, Daniel Goldman
The teleost retina grows throughout life and exhibits a robust regenerative response following injury. Critical to both these events are Muller glia (or, Muller glial cells; MGs), which produce progenitors for retinal growth and repair. We report that Fgf8a may be an MG niche factor that acts through Notch signaling to regulate spontaneous and injury-dependent MG proliferation. Remarkably, forced Fgf8a expression inhibits Notch signaling and stimulates MG proliferation in young tissue but increases Notch signaling and suppresses MG proliferation in older tissue...
April 25, 2017: Cell Reports
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