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Arathi Kizhedath, Simon Wilkinson, Jarka Glassey
Biopharmaceuticals, monoclonal antibody (mAb)-based therapeutics in particular, have positively impacted millions of lives. MAbs and related therapeutics are highly desirable from a biopharmaceutical perspective as they are highly target specific and well tolerated within the human system. Nevertheless, several mAbs have been discontinued or withdrawn based either on their inability to demonstrate efficacy and/or due to adverse effects. Approved monoclonal antibodies and derived therapeutics have been associated with adverse effects such as immunogenicity, cytokine release syndrome, progressive multifocal leukoencephalopathy, intravascular haemolysis, cardiac arrhythmias, abnormal liver function, gastrointestinal perforation, bronchospasm, intraocular inflammation, urticaria, nephritis, neuropathy, birth defects, fever and cough to name a few...
October 20, 2016: Archives of Toxicology
Alba Catalá-Miñana, Marisol Lila, Amparo Oliver, Juana-María Vivo, Laura Galiana, Enrique Gracia
BACKGROUND: The association between alcohol consumption and intimate partner violence (IPV) has been reiterated in numerous studies. Some authors have found higher levels of risk factors in intimate partner violence offenders (IPVOs) with alcohol problems than in IPVOs without such problems. OBJECTIVE: The aim of this study is to analyze the relationship of contextual variables with harmful alcohol use in a sample of IPVOs. METHOD: This cross-sectional research analyzes data from 231 IPVOs...
October 19, 2016: Substance Use & Misuse
Kelsie Y Chesnut, Melissa Barragan, Jason Gravel, Natalie A Pifer, Keramet Reiter, Nicole Sherman, George E Tita
OBJECTIVES: California has strict firearm-related laws and is exceptional in its regulation of firearms retailers. Though evidence suggests that these laws can reduce illegal access to guns, high levels of gun violence persist in Los Angeles (LA), California. This research seeks to describe the sources of guns accessed by active offenders in LA, California and reports offenders' motivations for obtaining guns. SETTING: Los Angeles County Jail (LACJ) system (four facilities)...
October 6, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
R John Sawyer, S Marc Testa, Moira Dux
OBJECTIVE: Various research studies and neuropsychology practice organizations have reiterated the importance of developing embedded performance validity tests (PVTs) to detect potentially invalid neurocognitive test data. This study investigated whether measures within the Hopkins Verbal Learning Test - Revised (HVLT-R) and the Brief Visuospatial Memory Test - Revised (BVMT-R) could accurately classify individuals who fail two or more PVTs during routine clinical assessment. METHOD: The present sample of 109 United States military veterans (Mean age = 52...
October 19, 2016: Clinical Neuropsychologist
Meg H Zeller, Sanita Hunsaker, Carmen Mikhail, Jennifer Reiter-Purtill, Mary Beth McCullough, Beth Garland, Heather Austin, Gia Washington, Amy Baughcum, Dana Rofey, Kevin Smith
OBJECTIVE: To comprehensively assess family characteristics of adolescents with severe obesity and whether family factors impact weight loss outcomes following weight loss surgery (WLS). METHODS: Multisite prospective data from 138 adolescents undergoing WLS and primary caregivers (adolescent: Mage  = 16.9; MBMI = 51.5 kg/m(2) ; caregiver: Mage  = 44.5; 93% female) and 83 nonsurgical comparators (NSComp: adolescent: Mage  = 16.1; MBMI = 46.9 kg/m(2) ; caregiver: Mage  = 43...
October 18, 2016: Obesity
Mukundh N Balasubramanian, Nejc Rački, José Gonçalves, Katarina Kovač, Magda T Žnidarič, Valentina Turk, Maja Ravnikar, Ion Gutiérrez-Aguirre
Currently, around 50% of the world's population lives in towns and cities within 100 km of the coast. Monitoring of viruses that are frequently present in contaminated coastal environments, such as rotavirus (RoV) and norovirus (NoV), which are also the major cause of human viral gastroenteritis, is essential to ensure the safe use of these water bodies. Since exposure to as few as 10-100 particles of RoV or NoV may induce gastrointestinal disease, there is a need to develop a rapid and sensitive diagnostic method for their detection in coastal water samples...
October 8, 2016: Water Research
George F Reiter, Aniruddha Deb, Yoshiharu Sakurai, Masayoshi Itou, Alexander I Kolesnikov
X-ray Compton scattering measurements of the electron momentum distribution in water confined in both single walled and double walled carbon nanotubes (SWNT and DWNT), as a function of temperature and confinement size, presented here, together with earlier measurements of the proton momentum distribution in the same systems, using neutron Compton scattering, provide a coherent picture of an anomalous state of water that exists because of nano-confinement. This state cannot be described by the weakly interacting molecule picture...
October 17, 2016: Journal of Physical Chemistry Letters
Jed F Fisher, Shahriar Mobashery
The practice of medicine was profoundly transformed by the introduction of the antibiotics (compounds isolated from Nature) and the antibacterials (compounds prepared by synthesis) for the control of bacterial infection. As a result of the extraordinary success of these compounds over decades of time, a timeless biological activity for these compounds has been presumed. This presumption is no longer. The inexorable acquisition of resistance mechanisms by bacteria is retransforming medical practice. Credible answers to this dilemma are far better recognized than they are being implemented...
January 1, 2016: MedChemComm
Wolfgang Füreder, Sabine Cerny-Reiterer, Wolfgang R Sperr, Leonhard Müllauer, Eva Jäger, Ilse Schwarzinger, Klaus Geissler, Peter Valent
Patients with aplastic anemia or hypoplastic myelodysplastic syndrome (MDS) may respond to immunosuppressive therapy, including the anti-CD52 antibody alemtuzumab. We analyzed treatment responses to alemtuzumab in 5 patients with MDS or aplastic anemia (AA) evolving to MDS. Two patients with hypoplastic MDS (hMDS) showed a partial response (PR) to alemtuzumab. In both responding patients, a concomitant paroxysmal nocturnal hemoglobinuria (PNH) clone was detected before therapy. One responder relapsed after 15 months and underwent successful allogeneic stem cell transplantation...
October 14, 2016: Wiener Klinische Wochenschrift
Y Lin, J P Gaebler, F Reiter, T R Tan, R Bowler, Y Wan, A Keith, E Knill, S Glancy, K Coakley, A S Sørensen, D Leibfried, D J Wineland
We apply laser fields to trapped atomic ions to constrain the quantum dynamics from a simultaneously applied global microwave field to an initial product state and a target entangled state. This approach comes under what has become known in the literature as "quantum Zeno dynamics" and we use it to prepare entangled states of two and three ions. With two trapped ^{9}Be^{+} ions, we obtain Bell state fidelities up to 0.990_{-5}^{+2}; with three ions, a W-state fidelity of 0.910_{-7}^{+4} is obtained. Compared to other methods of producing entanglement in trapped ions, this procedure can be relatively insensitive to certain imperfections such as fluctuations in laser intensity...
September 30, 2016: Physical Review Letters
Elisa Fabbri, Chee W Chia, Richard G Spencer, Kenneth W Fishbein, David A Reiter, Donnie Cameron, Ariel C Zane, Zenobia A Moore, Marta Gonzalez-Freire, Marco Zoli, Stephanie A Studenski, Rita R Kalyani, Josephine M Egan, Luigi Ferrucci
Whether individuals with insulin resistance but without criteria for diabetes exhibit reduced mitochondrial oxidative capacity is unclear; addressing this question could guide research for new therapeutics. We investigated 248 non-diabetic participants from the Baltimore Longitudinal Study of Aging (BLSA) to determine whether impaired mitochondrial capacity is associated with prediabetes, insulin resistance, duration and severity of hyperglycemia exposure. Mitochondrial capacity was assessed as post-exercise phosphocreatine recovery time constant (τPCr) by (31)P-magnetic resonance spectroscopy, with higher τPCr reflecting reduced capacity...
October 13, 2016: Diabetes
Alberto Dominguez-Rodriguez, Pedro Abreu-Gonzalez, Jose M de la Torre-Hernandez, Julia Gonzalez-Gonzalez, Tamara Garcia-Camarero, Luciano Consuegra-Sanchez, Maria Del Mar Garcia-Saiz, Ana Aldea-Perona, Tirso Virgos-Aller, Agueda Azpeitia, Russel J Reiter
The MARIA randomized trial evaluated the efficacy and safety of melatonin for the reduction of reperfusion injury in patients undergoing revascularization for ST-elevation myocardial infarction (STEMI). This was a prespecified interim analysis. A total of 146 patients presenting with STEMI within 6 hours of chest pain onset were randomized to receive intravenous and intracoronary melatonin (n=73) or placebo (n=73) during primary pecutaneous coronary intervention (PPCI). Primary endpoint was myocardial infarct size as assessed by magnetic resonance imaging (MRI) at 6±2 days...
October 13, 2016: Journal of Pineal Research
David C Rubin, Dorthe Berntsen, Christin M Ogle, Samantha A Deffler, Jean C Beckham
We find Brewin's (2016) critiques of the narratives, power, and coherence measures in Rubin et al. (2016) without merit; his suggestions for a "revised formulation" (p. 1015) of coherence are contradicted by data readily available in the target article but ignored. We place Brewin's commentary in a historical context and show that it reiterates views of trauma memory fragmentation that are unsupported by data. We evaluate an earlier review of fragmentation of trauma memories (Brewin, 2014), which Brewin uses to support his position in the commentary...
October 2016: Journal of Abnormal Psychology
Tobias Heer, Stephanie Reiter, Markus Trißler, Berthold Höfling, Florian von Knobelsdorff-Brenkenhoff, Günter Pilz
PURPOSE: To systematically investigate the effect of sublingual glyceryl trinitrate (nitroglycerin=nitro=glyceryl trinitrate=GTN=C3 H5 N3 O9 [NTG]) on the diagnostic performance of MR coronary artery imaging (MRCA) to detect relevant coronary artery disease (CAD). MATERIALS AND METHODS: Thirty-five healthy volunteers and 25 patients with suspected or proven CAD (all in sinus rhythm) underwent MRCA before and after NTG using a contrast-agent free, three-dimensional, navigator-based, steady state free precession acquisition (voxel size 1...
October 12, 2016: Journal of Magnetic Resonance Imaging: JMRI
Dominik Schulz, Markus Wirth, Guido Piontek, Anna Maria Stefanie Buchberger, Jürgen Schlegel, Rudolf Reiter, Gabriele Multhoff, Anja Pickhard
Despite remarkable successes with targeted therapies in the treatment of cancer, resistance can occur which limits the clinical outcome. In this study, we generated and characterized resistant cell clones derived from two different head and neck squamous cell carcinoma (HNSCC) cell lines (Cal27, UD-SCC-5) by long-term exposure to five targeted- and chemotherapeutics (afatinib, MK2206, BEZ235, olaparib and cisplatin). The resistant tumor cell clones showed an increased ERK1/2 expression and an altered expression of the stem-cell markers CD44, ALDH1, Oct4, Sox2, Nanog and Bmi1...
2016: American Journal of Cancer Research
Arnab Mukherjee, Kumar Ankit, Andreas Reiter, Michael Selzer, Britta Nestler
Symmetric block-copolymers, hitherto, are well known to evolve into parallel, perpendicular and mixed lamellar morphologies under the concomitant influence of an electric field and substrate affinity. In the present work, we show that an additional imposed confinement can effectuate a novel parallel lamellar to hexagonally perforated lamellar (HPL) transition in monolayer and bilayer films. Three dimensional numerical studies are performed using the Ohta-Kawasaki functional, complemented with an exact solution of Maxwell's equation...
September 14, 2016: Physical Chemistry Chemical Physics: PCCP
Álvaro Marín-Hernández, José S Rodríguez-Zavala, Isis Del Mazo-Monsalvo, Sara Rodríguez-Enríquez, Rafael Moreno-Sánchez, Emma Saavedra
Glycolysis provides precursors for the synthesis of macromolecules and may contribute to the ATP supply required for the constant and accelerated cellular duplication in cancer cells. In consequence, inhibition of glycolysis has been reiteratively considered as an anti-cancer therapeutic option. In previous studies, kinetic modeling of glycolysis in cancer cells allowed the identification of the main steps that control the glycolytic flux: glucose transporter, hexokinase (HK), hexose phosphate isomerase (HPI), and glycogen degradation in human cervix HeLa cancer cells and rat AS-30D ascites hepatocarcinoma...
2016: Frontiers in Physiology
Humberto Contreras-Cornejo, Germán Saucedo-Correa, Javier Oviedo-Boyso, Juan José Valdez-Alarcón, Víctor Manuel Baizabal-Aguirre, Marcos Cajero-Juárez, Alejandro Bravo-Patiño
The Notch signaling pathway is a reiteratively used cell to cell communication pathway that triggers pleiotropic effects. The correct regulation of the pathway permits the efficient regulation of genes involved in cell fate decision throughout development. This activity relies notably on the CSL proteins, (an acronym for CBF-1/RBPJ-κ in Homo sapiens/Mus musculus respectively, Suppressor of Hairless in Drosophila melanogaster, Lag-1 in Caenorhabditis elegans) which is the unique transcription factor and DNA binding protein involved in this pathway...
2016: Cell Division
John S Torday, William B Miller
A well-developed theory of evolutionary biology requires understanding of the origins of life on Earth. However, the initial conditions (ontology) and causal (epistemology) bases on which physiology proceeded have more recently been called into question, given the teleologic nature of Darwinian evolutionary thinking. When evolutionary development is focused on cellular communication, a distinctly different perspective unfolds. The cellular communicative-molecular approach affords a logical progression for the evolutionary narrative based on the basic physiologic properties of the cell...
October 2016: International Journal of Astrobiology
Kaoru S Imai, Clare Hudson, Izumi Oda-Ishii, Hitoyoshi Yasuo, Yutaka Satou
Many animal embryos use nuclear β-catenin (nβ-catenin) during the segregation of endomesoderm (or endoderm) from ectoderm. This mechanism is thus likely to be evolutionarily ancient. In the ascidian embryo, nβ-catenin reiteratively drives binary fate decisions between ectoderm and endomesoderm at the 16-cell stage, and then between endoderm and margin (mesoderm and caudal neural) at the 32-cell stage. At the 16-cell stage, nβ-catenin activates endomesoderm genes in the vegetal hemisphere. At the same time, nβ-catenin suppresses the DNA-binding activity of a maternal transcription factor Gata...
October 5, 2016: Development
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