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https://www.readbyqxmd.com/read/28103022/discovery-of-a-novel-series-of-orally-bioavailable-and-cns-penetrant-glucagon-like-peptide-1-receptor-glp-1r-non-competitive-antagonists-based-on-a-1-3-disubstituted-7-aryl-5-5-bis-trifluoromethyl-5-8-dihydropyrimido-4-5-d-pyrimidine-2-4-1h-3h-dione-core
#1
Kellie D Nance, Emily L Days, C David Weaver, Anastasia Coldren, Tiffany D Farmer, Hyekyung P Cho, Colleen M Niswender, Anna L Blobaum, Kevin D Niswender, Craig W Lindsley
A duplexed, functional multi-addition high throughput screen and subsequent optimization effort identified the first orally bioavailable and CNS penetrant glucagon-like peptide-1 receptor (GLP-1R) non-competitive antagonist. Antagonist 5d not only blocked Exendin-4-stimulated insulin release in islets, but also lowered insulin levels while increasing blood glucose in vivo.
January 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28102423/synthesis-and-solution-stability-of-water-soluble-%C3%AE%C2%BA-2-n-%C3%AE%C2%BAo-bis-3-5-dimethylpyrazolyl-ethanol-manganese-i-tricarbonyl-bromide-corm-onn1
#2
Ralf Mede, Juliane Traber, Moritz Klein, Helmar Görls, Guido Gessner, Patrick Hoffmann, Michael Schmitt, Jürgen Popp, Stefan H Heinemann, Ute Neugebauer, Matthias Westerhausen
The reaction of (OC)5MnBr with bis(3,5-dimethyl-1-pyrazolyl)methane yields [{(Pz(Me2))2CH2}Mn(CO)3Br] (1). The use of tridentate heteroscorpionates such as bis(3,5-dimethyl-1-pyrazolyl)acetic acid and 2,2-bis(3,5-dimethyl-1-pyrazolyl)ethanol leads to the formation of mononuclear [(OC)3Mn{(Pz(Me2))2CH-CO2}] (2) and [(OC)3Mn{(Pz(Me2))2CH-CH2OH}]Br (3, CORM-ONN1). Salt-like photoCORM 3 is soluble in aqueous media up to a concentration of 200 μM, non-toxic up to an approx. 65 μM solution and releases all carbonyl ligands upon irradiation...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28102407/introducing-tetramethylurea-as-a-new-methylene-precursor-a-microwave-assisted-rucl3-catalyzed-cross-dehydrogenative-coupling-approach-to-bis-indolyl-methanes
#3
Mohit L Deb, Paran J Borpatra, Prakash J Saikia, Pranjal K Baruah
Herein we report a microwave assisted Ru(iii)/TBHP-mediated reaction of indoles with tetramethylurea (TMU) synthesizing symmetrical as well as unsymmetrical bis(indolyl)methanes, where TMU acts as a methylenating agent. This is the first report where TMU is used as a methylene source. Moreover, the synthesis of unsymmetrical bis(indolyl)methanes by using a carbon precursor is also reported herein for the first time. Various substituted indoles are used for the reaction. The reaction is high yielding and takes a much shorter time to accomplish compared to the existing methods...
January 19, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28102400/using-chiral-ionic-liquid-additives-to-enhance-asymmetric-induction-in-a-diels-alder-reaction
#4
P Goodrich, H Q Nimal Gunaratne, L Hall, Y Wang, L Jin, M J Muldoon, A P C Ribeiro, A J L Pombeiro, V I Pârvulescu, P Davey, C Hardacre
A bis-oxazoline ligand has been complexed using Cu(ii) and Zn(ii) trifluoromethanesulfonate and a range of chiral ionic liquid (CIL) additives based on natural products were used as a co-catalyst for a Diels-Alder reaction. The catalytic performance of these systems was compared for the asymmetric Diels-Alder reaction between N-acryloyloxazolidinone and cyclopentadiene with and without the presence of a CIL additive. In the absence of the CIL, both catalysts resulted in low enantioselectivities in conventional solvents and ionic liquids...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28101342/pharmacodynamic-analysis-of-target-controlled-infusion-of-propofol-in-patients-with-hepatic-insufficiency
#5
Jing-Ru Pan, Jun Cai, Shao-Li Zhou, Qian-Qian Zhu, Fei Huang, Yi-Han Zhang, Xin-Jin Chi, Zi-Qing Hei
The effect of liver dysfunction on target-controlled infusion (TCI) of propofol remains poorly documented. The pharmacodynamic performance of propofol TCI was evaluated in a cohort of Chinese patients with hepatic insufficiency. Fifty-three patients with hepatic insufficiency were enrolled in the current prospective, observational study. Anesthesia was induced with propofol via TCI to a plasma concentration of 3 µg/ml. Following loss of consciousness (LOC), fentanyl and cisatracurium were administered. Pharmacodynamic parameters were recorded during TCI, including time to LOC, bispectral index (BIS), heart rate (HR) and blood pressure...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28100900/paeonia-lactiflora-inhibits-cell-wall-synthesis-and-triggers-membrane-depolarization-in-candida-albicans
#6
Heung-Shick Lee, Younhee Kim
The fungal cell wall and cell membrane are main targets of antifungals. In this study, we report that antifungal activity of the ethanol extract from Paeonia lactiflora against Candida albicans is associated with synergistic action of preventing cell wall synthesis and changing membrane depolarization and permeability in C. albicans. First, the ethanol extract from P. lactiflora was involved in damaging the integrity of cell wall in C. albicans: In isotonic media, cell burst of C. albicans by the P. lactiflora ethanol extract could be restored, and minimum inhibitory concentration (MIC) of the P...
January 18, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28099808/dynamics-in-a-room-temperature-ionic-liquid-from-the-cation-perspective-2d-ir-vibrational-echo-spectroscopy
#7
Steven A Yamada, Heather E Bailey, Amr Tamimi, Chunya Li, Michael D Fayer
The dynamics of the room temperature ionic liquid (RTIL) 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BmimNTf2) were investigated with two dimensional infrared (2D IR) vibrational echo spectroscopy and polarization selective pump-probe (PSPP) experiments. The CN stretch frequency of a modified Bmim+ cation (referred to hereafter as 2-SeCN-Bmim+), in which a SeCN moiety was substituted onto the C-2 position of the imidazolium ring, was used as a vibrational probe. A major result of the 2D IR experiments is the observation of a long timescale structural spectral diffusion component of 600 ps in addition to short and intermediate timescales similar to those measured for selenocyanate anion (SeCN‒) dissolved in BmimNTf2...
January 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28099800/interfacial-structures-of-trihexyltetradecylphosphonium-bis-mandelato-borate-ionic-liquid-confined-between-gold-electrodes
#8
Yonglei Wang, Mikhail Golets, Bin Li, Sten Sarman, Aatto Laaksonen
Atomistic molecular dynamics simulations have been performed to study microscopic interfacial ionic structures, molecular arrangements and orientational preferences of trihexyltetradecylphosphonium-bis(mandelato)borate ($[\textrm{P}_{6,6,6,14}]$[BMB]) ionic liquid confined between neutral and charged gold electrodes. It is found that both $[\textrm{P}_{6,6,6,14}]$ cations and [BMB] anions are coabsorbed onto neutral electrodes at different temperatures. The hexyl and tetradecyl chains in $[\textrm{P}_{6,6,6,14}]$ cations lie preferentially flat on neutral electrodes...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28099797/epitaxy-induced-assembly-and-enantiomeric-switching-of-an-on-surface-formed-dinuclear-organocobalt-complex
#9
Raphael Hellwig, Tobias Paintner, Zhi Chen, Mario Ruben, Ari P Seitsonen, Florian Klappenberger, Harald Brune, Johannes V Barth
We report on the surface-guided synthesis of an unprecedented dinuclear organocobalt complex, its self-assembly into a complex nanoarchitecture, and a single-molecule level investigation of its switching behavior. Initially, an organic layer is prepared by depositing hexakis((trimethylsilyl)ethynyl)-benzene under ultra-high vacuum conditions onto Ag(111). After Co dosage at 200 Kelvin, low-temperature scanning tunneling microscopy (STM) reveals an epitaxy-mediated organization mechanism of molecules and on-surface formed host-guest complexes...
January 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/28099320/closed-loop-delivery-systems-versus-manually-controlled-administration-of-total-iv-anesthesia-a-meta-analysis-of-randomized-clinical-trials
#10
Laura Pasin, Pasquale Nardelli, Margherita Pintaudi, Massimiliano Greco, Massimo Zambon, Luca Cabrini, Alberto Zangrillo
Bispectral Index Scale (BIS)-guided closed-loop delivery of anesthetics has been extensively studied. We performed a meta-analysis of all the randomized clinical trials comparing efficacy and performance between BIS-guided closed-loop delivery and manually controlled administration of total IV anesthesia. Scopus, PubMed, EMBASE, and the Cochrane Central Register of clinical trials were searched for pertinent studies. Inclusion criteria were random allocation to treatment and closed-loop delivery systems versus manually controlled administration of total IV anesthesia in any surgical setting...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28098983/redox-initiated-reactivity-of-dinuclear-%C3%AE-diketiminatoniobium-imido-complexes
#11
Benjamin M Kriegel, Lara C E Naested, Grégory Nocton, K V Lakshmi, Trevor D Lohrey, Robert G Bergman, John Arnold
High-valent dichloride and dimethylniobium complexes 1 and 2 bearing tert-butylimido and N,N'-bis(2,4,6-trimethylphenyl)-β-diketiminate (BDI(Ar)) ligands were prepared. The dimethyl complex reacted with dihydrogen to release methane and generate the hydride-bridged diniobium(IV) complex 3 in high yield. One-electron oxidation of 3 with silver salts resulted in the release of dihydrogen and conversion to a mixed-valent Nb(III)-Nb(IV) complex, 4, that displayed a frozen-solution X-band electron paramagnetic resonance signal consistent with a slight dissymmetry between the two Nb centers...
January 18, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28098980/ruthenium-ii-complex-based-luminescent-bifunctional-probe-for-ag-and-phosphate-ions-ag-assisted-detection-and-imaging-of-rrna
#12
Sanjoy Kumar Sheet, Bhaskar Sen, Romita Thounaojam, Kripamoy Aguan, Snehadrinarayan Khatua
A new bis-heteroleptic Ru(II) complex (1) of benzimidazole-substituted 1,2,3-triazole pyridine ligand has been designed and constructed for the photoluminescent detection of cationic and anionic analytes, Ag(+) and phosphate ions. Compound, 1[PF6]2 was fully characterized by various spectroscopic techniques and the solid-state structure was determined via single-crystal X-ray diffraction. The cation and anion sensing properties in 50% aqueous buffer (pH 9.2) and pure acetonitrile were carefully examined in photoluminescence (PL) spectroscopy...
January 18, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28098969/exciplex-forming-co-host-based-red-phosphorescent-organic-light-emitting-diodes-with-long-operational-stability-and-high-efficiency
#13
Jeong-Hwan Lee, Hyun Shin, Jae-Min Kim, Kwon-Hyeon Kim, Jang-Joo Kim
The use of exciplex forming co-hosts and phosphors incredibly boosts the efficiency of organic light-emitting diodes (OLEDs) by providing a barrier-free charge injection into an emitting layer and a broad recombination zone. However, most of the efficient OLEDs based on the exciplex forming co-hosts has suffered from the short operational lifetime. Here, we demonstrated phosphorescent OLEDs (PhOLEDs) having both high efficiency and long lifetime by using a new exciplex forming co-host composed of N,N'-diphenyl-N,N'-bis(1,1'-biphenyl)-4,4'-diamine (NPB) and (1,3,5-triazine-2,4,6-triyl)tris(benzene-3,1-diyl))tris(diphenylphosphine oxide) (PO-T2T)...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28098826/hair-growth-promoting-and-anticancer-effects-of-p21-activated-kinase-1-pak1-inhibitors-isolated-from-different-parts-of-alpinia-zerumbet
#14
Nozomi Taira, Binh Cao Quan Nguyen, Shinkichi Tawata
PAK1 (p21-activated kinase 1) is an emerging target for the treatment of hair loss (alopecia) and cancer; therefore, the search for PAK1 blockers to treat these PAK1-dependent disorders has received much attention. In this study, we evaluated the anti-alopecia and anticancer effects of PAK1 inhibitors isolated from Alpinia zerumbet (alpinia) in cell culture. The bioactive compounds isolated from alpinia were found to markedly promote hair cell growth. Kaempferol-3-O-β-d-glucuronide (KOG) and labdadiene, two of the isolated compounds, increased the proliferation of human follicle dermal papilla cells by approximately 117%-180% and 132%-226%, respectively, at 10-100 μM...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098753/reagent-less-and-robust-biosensor-for-direct-determination-of-lactate-in-food-samples
#15
Iria Bravo, Mónica Revenga-Parra, Félix Pariente, Encarnación Lorenzo
Lactic acid is a relevant analyte in the food industry, since it affects the flavor, freshness, and storage quality of several products, such as milk and dairy products, juices, or wines. It is the product of lactose or malo-lactic fermentation. In this work, we developed a lactate biosensor based on the immobilization of lactate oxidase (LOx) onto N,N'-Bis(3,4-dihydroxybenzylidene) -1,2-diaminobenzene Schiff base tetradentate ligand-modified gold nanoparticles (3,4DHS-AuNPs) deposited onto screen-printed carbon electrodes, which exhibit a potent electrocatalytic effect towards hydrogen peroxide oxidation/reduction...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28098466/lithography-free-miniaturization-of-resistive-non-volatile-memory-devices-to-the-100-nm-scale-by-glancing-angle-deposition
#16
Giovanni Ligorio, Marco Vittorio Nardi, Norbert Koch
The scaling of non-volatile memory (NVM) devices based on resistive filament switching to below 100 nm2 footprint area without employing cumbersome lithography is demonstrated. Nanocolumns of the organic semiconductor 4,4-bis[N-(1-naphthyl)-N-phenyl-amino]diphenyl (-NPD) were grown by glancing angle deposition on a silver electrode. Individual NVM devices were electrically characterized by conductive atomic force microscopy with the tip of a conductive cantilever serving as second electrode. The resistive switching mechanism is unambiguously attributed to Ag filament formation between the electrodes...
January 18, 2017: Nano Letters
https://www.readbyqxmd.com/read/28098433/synthesis-and-evaluation-of-anti-inflammatory-n-substituted-3-5-bis-2-trifluoromethyl-benzylidene-piperidin-4-ones
#17
Zixin Xie, Zaikui Zhang, Shufang Yu, Donghua Cheng, Huan Zhang, Chao Han, Handeng Lv, Faqing Ye
A total of 24 N-substituted 3,5-bis(2-(trifluoromethyl)benzylidene)piperidin-4-one derivatives were synthesized via aldol condensation, and their anti-inflammatory activities were evaluated. These compounds were found to have no significant cytotoxicity against mouse bone marrow cells in vitro. However, some compounds, such as c6 (N-(3-methylbenzoyl)-3,5-bis-(2-(trifluoromethyl)benzylidene)piperidin-4-one) and c10 (N-(2-chlorobenzoyl)-3,5-bis-(2-(trifluoromethyl)benzylidene)piperidin-4-one), displayed potent anti-inflammatory activity by inhibiting lipopolysaccharide (LPS)-stimulated tumor necrosis factor (TNF)-α, interleukin-6 (IL-6), IL-1β, prostaglandin E2 (PGE2), and nitric oxide (NO) production in RAW 264...
January 18, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28098305/phase-behaviour-and-temperature-responsive-properties-of-a-gemini-surfactant-brij-30-water-system
#18
Chuanhong Han, Yan Guo, Xiaoxiao Chen, Meihuan Yao, Yingtian Zhang, Qirui Zhang, Xilian Wei
The phase behaviour of a ternary system composed of cationic gemini surfactant 2-hydroxypropyl-1,3-bis(myristyldimethylammonium chloride) (14-3(OH)-14(2Cl)), nonionic surfactant polyoxyethylene laurel ether (C12H25(OCH2CH2)10OH, Brij-30) and H2O was studied and its phase diagram was determined. In several different phase regions identified in the phase diagram, the viscoelastic worm-like micellar solution region was investigated. The focus of the investigation was the increase in the viscosity of the micellar solution with the temperature and the Brij-30 content, as suggested by a partial region of the triangular phase diagram...
January 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28098162/novel-genetic-loci-associated-with-hippocampal-volume
#19
Derrek P Hibar, Hieab H H Adams, Neda Jahanshad, Ganesh Chauhan, Jason L Stein, Edith Hofer, Miguel E Renteria, Joshua C Bis, Alejandro Arias-Vasquez, M Kamran Ikram, Sylvane Desrivières, Meike W Vernooij, Lucija Abramovic, Saud Alhusaini, Najaf Amin, Micael Andersson, Konstantinos Arfanakis, Benjamin S Aribisala, Nicola J Armstrong, Lavinia Athanasiu, Tomas Axelsson, Ashley H Beecham, Alexa Beiser, Manon Bernard, Susan H Blanton, Marc M Bohlken, Marco P Boks, Janita Bralten, Adam M Brickman, Owen Carmichael, M Mallar Chakravarty, Qiang Chen, Christopher R K Ching, Vincent Chouraki, Gabriel Cuellar-Partida, Fabrice Crivello, Anouk Den Braber, Nhat Trung Doan, Stefan Ehrlich, Sudheer Giddaluru, Aaron L Goldman, Rebecca F Gottesman, Oliver Grimm, Michael E Griswold, Tulio Guadalupe, Boris A Gutman, Johanna Hass, Unn K Haukvik, David Hoehn, Avram J Holmes, Martine Hoogman, Deborah Janowitz, Tianye Jia, Kjetil N Jørgensen, Nazanin Karbalai, Dalia Kasperaviciute, Sungeun Kim, Marieke Klein, Bernd Kraemer, Phil H Lee, David C M Liewald, Lorna M Lopez, Michelle Luciano, Christine Macare, Andre F Marquand, Mar Matarin, Karen A Mather, Manuel Mattheisen, David R McKay, Yuri Milaneschi, Susana Muñoz Maniega, Kwangsik Nho, Allison C Nugent, Paul Nyquist, Loes M Olde Loohuis, Jaap Oosterlaan, Martina Papmeyer, Lukas Pirpamer, Benno Pütz, Adaikalavan Ramasamy, Jennifer S Richards, Shannon L Risacher, Roberto Roiz-Santiañez, Nanda Rommelse, Stefan Ropele, Emma J Rose, Natalie A Royle, Tatjana Rundek, Philipp G Sämann, Arvin Saremi, Claudia L Satizabal, Lianne Schmaal, Andrew J Schork, Li Shen, Jean Shin, Elena Shumskaya, Albert V Smith, Emma Sprooten, Lachlan T Strike, Alexander Teumer, Diana Tordesillas-Gutierrez, Roberto Toro, Daniah Trabzuni, Stella Trompet, Dhananjay Vaidya, Jeroen Van der Grond, Sven J Van der Lee, Dennis Van der Meer, Marjolein M J Van Donkelaar, Kristel R Van Eijk, Theo G M Van Erp, Daan Van Rooij, Esther Walton, Lars T Westlye, Christopher D Whelan, Beverly G Windham, Anderson M Winkler, Katharina Wittfeld, Girma Woldehawariat, Christiane Wolf, Thomas Wolfers, Lisa R Yanek, Jingyun Yang, Alex Zijdenbos, Marcel P Zwiers, Ingrid Agartz, Laura Almasy, David Ames, Philippe Amouyel, Ole A Andreassen, Sampath Arepalli, Amelia A Assareh, Sandra Barral, Mark E Bastin, Diane M Becker, James T Becker, David A Bennett, John Blangero, Hans van Bokhoven, Dorret I Boomsma, Henry Brodaty, Rachel M Brouwer, Han G Brunner, Randy L Buckner, Jan K Buitelaar, Kazima B Bulayeva, Wiepke Cahn, Vince D Calhoun, Dara M Cannon, Gianpiero L Cavalleri, Ching-Yu Cheng, Sven Cichon, Mark R Cookson, Aiden Corvin, Benedicto Crespo-Facorro, Joanne E Curran, Michael Czisch, Anders M Dale, Gareth E Davies, Anton J M De Craen, Eco J C De Geus, Philip L De Jager, Greig I De Zubicaray, Ian J Deary, Stéphanie Debette, Charles DeCarli, Norman Delanty, Chantal Depondt, Anita DeStefano, Allissa Dillman, Srdjan Djurovic, Gary Donohoe, Wayne C Drevets, Ravi Duggirala, Thomas D Dyer, Christian Enzinger, Susanne Erk, Thomas Espeseth, Iryna O Fedko, Guillén Fernández, Luigi Ferrucci, Simon E Fisher, Debra A Fleischman, Ian Ford, Myriam Fornage, Tatiana M Foroud, Peter T Fox, Clyde Francks, Masaki Fukunaga, J Raphael Gibbs, David C Glahn, Randy L Gollub, Harald H H Göring, Robert C Green, Oliver Gruber, Vilmundur Gudnason, Sebastian Guelfi, Asta K Håberg, Narelle K Hansell, John Hardy, Catharina A Hartman, Ryota Hashimoto, Katrin Hegenscheid, Andreas Heinz, Stephanie Le Hellard, Dena G Hernandez, Dirk J Heslenfeld, Beng-Choon Ho, Pieter J Hoekstra, Wolfgang Hoffmann, Albert Hofman, Florian Holsboer, Georg Homuth, Norbert Hosten, Jouke-Jan Hottenga, Matthew Huentelman, Hilleke E Hulshoff Pol, Masashi Ikeda, Clifford R Jack, Mark Jenkinson, Robert Johnson, Erik G Jönsson, J Wouter Jukema, René S Kahn, Ryota Kanai, Iwona Kloszewska, David S Knopman, Peter Kochunov, John B Kwok, Stephen M Lawrie, Hervé Lemaître, Xinmin Liu, Dan L Longo, Oscar L Lopez, Simon Lovestone, Oliver Martinez, Jean-Luc Martinot, Venkata S Mattay, Colm McDonald, Andrew M McIntosh, Francis J McMahon, Katie L McMahon, Patrizia Mecocci, Ingrid Melle, Andreas Meyer-Lindenberg, Sebastian Mohnke, Grant W Montgomery, Derek W Morris, Thomas H Mosley, Thomas W Mühleisen, Bertram Müller-Myhsok, Michael A Nalls, Matthias Nauck, Thomas E Nichols, Wiro J Niessen, Markus M Nöthen, Lars Nyberg, Kazutaka Ohi, Rene L Olvera, Roel A Ophoff, Massimo Pandolfo, Tomas Paus, Zdenka Pausova, Brenda W J H Penninx, G Bruce Pike, Steven G Potkin, Bruce M Psaty, Simone Reppermund, Marcella Rietschel, Joshua L Roffman, Nina Romanczuk-Seiferth, Jerome I Rotter, Mina Ryten, Ralph L Sacco, Perminder S Sachdev, Andrew J Saykin, Reinhold Schmidt, Helena Schmidt, Peter R Schofield, Sigurdur Sigursson, Andrew Simmons, Andrew Singleton, Sanjay M Sisodiya, Colin Smith, Jordan W Smoller, Hilkka Soininen, Vidar M Steen, David J Stott, Jessika E Sussmann, Anbupalam Thalamuthu, Arthur W Toga, Bryan J Traynor, Juan Troncoso, Magda Tsolaki, Christophe Tzourio, Andre G Uitterlinden, Maria C Valdés Hernández, Marcel Van der Brug, Aad van der Lugt, Nic J A van der Wee, Neeltje E M Van Haren, Dennis van 't Ent, Marie-Jose Van Tol, Badri N Vardarajan, Bruno Vellas, Dick J Veltman, Henry Völzke, Henrik Walter, Joanna M Wardlaw, Thomas H Wassink, Michael E Weale, Daniel R Weinberger, Michael W Weiner, Wei Wen, Eric Westman, Tonya White, Tien Y Wong, Clinton B Wright, Ronald H Zielke, Alan B Zonderman, Nicholas G Martin, Cornelia M Van Duijn, Margaret J Wright, W T Longstreth, Gunter Schumann, Hans J Grabe, Barbara Franke, Lenore J Launer, Sarah E Medland, Sudha Seshadri, Paul M Thompson, M Arfan Ikram
The hippocampal formation is a brain structure integrally involved in episodic memory, spatial navigation, cognition and stress responsiveness. Structural abnormalities in hippocampal volume and shape are found in several common neuropsychiatric disorders. To identify the genetic underpinnings of hippocampal structure here we perform a genome-wide association study (GWAS) of 33,536 individuals and discover six independent loci significantly associated with hippocampal volume, four of them novel. Of the novel loci, three lie within genes (ASTN2, DPP4 and MAST4) and one is found 200 kb upstream of SHH...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28097756/aazta-an-ideal-chelating-agent-for-the-development-of-44-sc-pet-imaging-agents
#20
Gábor Nagy, Dezső Szikra, György Trencsényi, Anikó Fekete, Ildikó Garai, Arianna M Giani, Roberto Negri, Norberto Masciocchi, Alessandro Maiocchi, Fulvio Uggeri, Imre Tóth, Silvio Aime, Giovanni B Giovenzana, Zsolt Baranyai
Unprecedented fast and efficient complexation of Sc(III) was demonstrated with the chelating agent AAZTA (AAZTA=1,4-bis(carboxymethyl)-6-[bis(carboxymethyl)]amino-6-methylperhydro-1,4-diazepine) under mild experimental conditions. The robustness of the (44) Sc(AAZTA)(-) chelate and conjugated biomolecules thereof is further shown by in vivo PET imaging in healthy and tumor mice models. The new results pave the way towards development of efficient Sc-based radiopharmaceuticals using the AAZTA chelator.
January 18, 2017: Angewandte Chemie
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