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Michael Vogt

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https://www.readbyqxmd.com/read/28077513/cognitive-control-structures-in-the-imitation-learning-of-spatial-sequences-and-rhythms-an-fmri-study
#1
Katrin Sakreida, Satomi Higuchi, Cinzia Di Dio, Michael Ziessler, Martine Turgeon, Neil Roberts, Stefan Vogt
Imitation learning involves the acquisition of novel motor patterns based on action observation (AO). We used event-related functional magnetic resonance imaging to study the imitation learning of spatial sequences and rhythms during AO, motor imagery (MI), and imitative execution in nonmusicians and musicians. While both tasks engaged the fronto-parietal mirror circuit, the spatial sequence task recruited posterior parietal and dorsal premotor regions more strongly. The rhythm task involved an additional network for auditory working memory...
January 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28049497/two-differentially-structured-collagen-scaffolds-for-potential-urinary-bladder-augmentation-proof-of-concept-study-in-a-g%C3%A3-ttingen-minipig-model
#2
Dorothea Leonhäuser, Katja Stollenwerk, Volker Seifarth, Isabella M Zraik, Michael Vogt, Pramod K Srinivasan, Rene H Tolba, Joachim O Grosse
BACKGROUND: The repair of urinary bladder tissue is a necessity for tissue loss due to cancer, trauma, or congenital abnormalities. Use of intestinal tissue is still the gold standard in the urological clinic, which leads to new problems and dysfunctions like mucus production, stone formation, and finally malignancies. Therefore, the use of artificial, biologically derived materials is a promising step towards the augmentation of this specialised tissue. The aim of this study was to investigate potential bladder wall repair by two collagen scaffold prototypes, OptiMaix 2D and 3D, naïve and seeded with autologous vesical cells, as potential bladder wall substitute material in a large animal model...
January 4, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28009569/x-ray-fluorescence-at-nanoscale-resolution-for-multicomponent-layered-structures-a-solar-cell-case%C3%A2-study
#3
Bradley M West, Michael Stuckelberger, April Jeffries, Srikanth Gangam, Barry Lai, Benjamin Stripe, Jörg Maser, Volker Rose, Stefan Vogt, Mariana I Bertoni
The study of a multilayered and multicomponent system by spatially resolved X-ray fluorescence microscopy poses unique challenges in achieving accurate quantification of elemental distributions. This is particularly true for the quantification of materials with high X-ray attenuation coefficients, depth-dependent composition variations and thickness variations. A widely applicable procedure for use after spectrum fitting and quantification is described. This procedure corrects the elemental distribution from the measured fluorescence signal, taking into account attenuation of the incident beam and generated fluorescence from multiple layers, and accounts for sample thickness variations...
January 1, 2017: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/27936616/a-novel-synthetic-pathway-enables-microbial-production-of-polyphenols-independent-from-the-endogenous-aromatic-amino-acid-metabolism
#4
Nicolai Kallscheuer, Michael Vogt, Jan Marienhagen
Numerous plant polyphenols have potential applications as pharmaceuticals or nutraceuticals. Stilbenes and flavonoids as most abundant polyphenols are synthesized from phenylpropanoids, which are exclusively derived from aromatic amino acids in nature. Several microorganisms were engineered for the synthesis of biotechnologically interesting plant polyphenols; however, low activity of heterologous ammonia lyases, linking endogenous microbial aromatic amino acid biosynthesis to phenylpropanoid synthesis, turned out to be the limiting step during microbial synthesis...
December 14, 2016: ACS Synthetic Biology
https://www.readbyqxmd.com/read/27895155/investigations-of-glucocorticoid-action-in-gn
#5
Christoph Kuppe, Claudia van Roeyen, Katja Leuchtle, Nazanin Kabgani, Michael Vogt, Marc Van Zandvoort, Bart Smeets, Jürgen Floege, Hermann-Josef Gröne, Marcus J Moeller
For several decades, glucocorticoids have been used empirically to treat rapid progressive GN. It is commonly assumed that glucocorticoids act primarily by dampening the immune response, but the mechanisms remain incompletely understood. In this study, we inactivated the glucocorticoid receptor (GR) specifically in kidney epithelial cells using Pax8-Cre/GR(fl/fl) mice. Pax8-Cre/GR(fl/fl) mice did not exhibit an overt spontaneous phenotype. In mice treated with nephrotoxic serum to induce crescentic nephritis (rapidly progressive GN), this genetic inactivation of the GR in kidney epithelial cells exerted renal benefits, including inhibition of albuminuria and cellular crescent formation, similar to the renal benefits observed with high-dose prednisolone in control mice...
November 28, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27889953/ecology-under-lake-ice
#6
REVIEW
Stephanie E Hampton, Aaron W E Galloway, Stephen M Powers, Ted Ozersky, Kara H Woo, Ryan D Batt, Stephanie G Labou, Catherine M O'Reilly, Sapna Sharma, Noah R Lottig, Emily H Stanley, Rebecca L North, Jason D Stockwell, Rita Adrian, Gesa A Weyhenmeyer, Lauri Arvola, Helen M Baulch, Isabella Bertani, Larry L Bowman, Cayelan C Carey, Jordi Catalan, William Colom-Montero, Leah M Domine, Marisol Felip, Ignacio Granados, Corinna Gries, Hans-Peter Grossart, Juta Haberman, Marina Haldna, Brian Hayden, Scott N Higgins, Jeff C Jolley, Kimmo K Kahilainen, Enn Kaup, Michael J Kehoe, Sally MacIntyre, Anson W Mackay, Heather L Mariash, Robert M McKay, Brigitte Nixdorf, Peeter Nõges, Tiina Nõges, Michelle Palmer, Don C Pierson, David M Post, Matthew J Pruett, Milla Rautio, Jordan S Read, Sarah L Roberts, Jacqueline Rücker, Steven Sadro, Eugene A Silow, Derek E Smith, Robert W Sterner, George E A Swann, Maxim A Timofeyev, Manuel Toro, Michael R Twiss, Richard J Vogt, Susan B Watson, Erika J Whiteford, Marguerite A Xenopoulos
Winter conditions are rapidly changing in temperate ecosystems, particularly for those that experience periods of snow and ice cover. Relatively little is known of winter ecology in these systems, due to a historical research focus on summer 'growing seasons'. We executed the first global quantitative synthesis on under-ice lake ecology, including 36 abiotic and biotic variables from 42 research groups and 101 lakes, examining seasonal differences and connections as well as how seasonal differences vary with geophysical factors...
January 2017: Ecology Letters
https://www.readbyqxmd.com/read/27888486/a-slowly-growing-orange-patch-on-the-cheek-diagnosis-of-lupus-vulgaris-20-years-after-onset-of-first-skin-changes
#7
Claudia Pföhler, Michael Klotz, Thomas Wehler, Thomas Vogt, Cornelia S L Müller
Tuberculosis is a worldwide occurring disease that affects approximately 20-40% of the world's population and in particular in developing countries. However, in times of migration, industrialised countries are again being more and more affected. Cutaneous tuberculosis is rare and lupus vulgaris represents its most common form. Preferentially, young adults in developing or low-income countries are affected from cutaneous tuberculosis, which usually occurs in previously sensitized persons with a high degree of tuberculin sensitivity and a good immunoresponse...
November 25, 2016: Dermatology and Therapy
https://www.readbyqxmd.com/read/27864294/b-cell-receptor-driven-malt1-activity-regulates-myc-signaling-in-mantle-cell-lymphoma
#8
Beiying Dai, Michael Grau, Mélanie Juilland, Pavel Klener, Elisabeth Höring, Jan Molinsky, Gisela Schimmack, Sietse M Aukema, Eva Hoster, Niklas Vogt, Annette M Staiger, Tabea Erdmann, Wendan Xu, Kristian Erdmann, Nicole Dzyuba, Hannelore Madle, Wolfgang E Berdel, Marek Trneny, Martin Dreyling, Korinna Jöhrens, Peter Lenz, Andreas Rosenwald, Reiner Siebert, Alexandar Tzankov, Wolfram Klapper, Ioannis Anagnostopoulos, Daniel Krappmann, German Ott, Margot Thome, Georg Lenz
Mantle cell lymphoma (MCL) is a mature B-cell lymphoma characterized by poor clinical outcome. Recent studies revealed the importance of B-cell receptor (BCR) signaling in maintaining MCL survival. However, it remains unclear which role MALT1, an essential component of the CARD11-BCL10-MALT1 (CBM) complex that links BCR signaling to the nuclear factor kappa-B (NF-κB) pathway, plays in the biology of MCL. Here we show that a subset of MCLs is addicted to MALT1, as its inhibition by either RNA or pharmacologic interference induced cytotoxicity both in vitro and in vivo...
November 18, 2016: Blood
https://www.readbyqxmd.com/read/27834642/magnetic-particle-imaging-a-resovist-based-marking-technology-for-guide-wires-and-catheters-for-vascular-interventions
#9
Julian Haegele, Nikolaos Panagiotopoulos, Sjef Cremers, Ju Rgen Rahmer, Jochen Franke, Robert L Duschka, Sarah Vaalma, Michael Heidenreich, Jo Rn Borgert, Paul Borm, Jo Rg Barkhausen, Florian M Vogt
Magnetic particle imaging (MPI) is able to provide high temporal and good spatial resolution, high signal to noise ratio and sensitivity. Furthermore, it is a truly quantitative method as its signal strength is proportional to the concentration of its tracer, superparamagnetic iron oxide nanoparticles (SPIOs), over a wide range practically relevant concentrations. Thus, MPI is proposed as a promising future method for guidance of vascular interventions. To implement this, devices such as guide wires and catheters have to be discernible in MPI, which can be achieved by coating already commercially available devices with SPIOs...
October 2016: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/27793686/correlation-between-the-chemical-composition-of-thermoresponsive-nanogels-and-their-interaction-with-the-skin-barrier
#10
Michael Giulbudagian, Fiorenza Rancan, André Klossek, Kenji Yamamoto, Jana Jurisch, Victor Colombo Neto, Petra Schrade, Sebastian Bachmann, Eckart Rühl, Ulrike Blume-Peytavi, Annika Vogt, Marcelo Calderón
In this paper we present a comprehensive study for the ability of thermoresponsive nanogels (tNG) to act as cutaneous penetration enhancers. Given the unique properties of such molecular architectures with regard to their chemical composition and thermoresponsive properties, we propose a particular mode of penetration enhancement mechanism, i.e. hydration of the stratum corneum. Different tNG were fabricated using dendritic polyglycerol as a multifunctional crosslinker and three different kinds of thermoresponsive polymers as linear counterpart: poly(N-isopropylacrylamide) (pNIPAM), p(di(ethylene glycol) methyl ether methacrylate - co - oligo ethylene glycol methacrylate) (DEGMA-co-OEGMA475), and poly(glycidyl methyl ether - co - ethyl glycidyl ether) (tPG)...
December 10, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27777626/directed-plant-cell-wall-accumulation-of-iron-embedding-co-catalyst-for-efficient-biomass-conversion
#11
Chien-Yuan Lin, Joseph E Jakes, Bryon S Donohoe, Peter N Ciesielski, Haibing Yang, Sophie-Charlotte Gleber, Stefan Vogt, Shi-You Ding, Wendy A Peer, Angus S Murphy, Maureen C McCann, Michael E Himmel, Melvin P Tucker, Hui Wei
BACKGROUND: Plant lignocellulosic biomass is an abundant, renewable feedstock for the production of biobased fuels and chemicals. Previously, we showed that iron can act as a co-catalyst to improve the deconstruction of lignocellulosic biomass. However, directly adding iron catalysts into biomass prior to pretreatment is diffusion limited, and increases the cost of biorefinery operations. Recently, we developed a new strategy for expressing iron-storage protein ferritin intracellularly to accumulate iron as a catalyst for the downstream deconstruction of lignocellulosic biomass...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27773482/regulatory-t-cell-specificity-directs-tolerance-versus-allergy-against-aeroantigens-in-humans
#12
Petra Bacher, Frederik Heinrich, Ulrik Stervbo, Mikalai Nienen, Marco Vahldieck, Christina Iwert, Katrin Vogt, Jutta Kollet, Nina Babel, Birgit Sawitzki, Carsten Schwarz, Stefan Bereswill, Markus M Heimesaat, Guido Heine, Gabriele Gadermaier, Claudia Asam, Mario Assenmacher, Olaf Kniemeyer, Axel A Brakhage, Fátima Ferreira, Michael Wallner, Margitta Worm, Alexander Scheffold
FOXP3+ regulatory T cells (Tregs) maintain tolerance against self-antigens and innocuous environmental antigens. However, it is still unknown whether Treg-mediated tolerance is antigen specific and how Treg specificity contributes to the selective loss of tolerance, as observed in human immunopathologies such as allergies. Here, we used antigen-reactive T cell enrichment to identify antigen-specific human Tregs. We demonstrate dominant Treg-mediated tolerance against particulate aeroallergens, such as pollen, house dust mites, and fungal spores...
October 18, 2016: Cell
https://www.readbyqxmd.com/read/27766444/flunarizine-rescues-reduced-lifespan-in-cln3-triple-knock-out-caenorhabditis-elegans-model-of-batten-disease
#13
Young Joon Kwon, Marni J Falk, Michael J Bennett
CLN3 disease (Spielmeyer-Vogt-Sjogren-Batten disease, previously known as classic juvenile neuronal ceroid lipofuscinosis, NCL) is a pediatric-onset progressive neurodegenerative disease characterized by progressive vision loss, seizures, loss of cognitive and motor function, and early death. While no precise biochemical mechanism or therapies are known, the pathogenesis of CLN3 disease involves intracellular calcium accumulation that may trigger apoptosis. Our prior work in in vitro cell models of CLN3 deficiency suggested that FDA-approved calcium channel antagonists may have therapeutic value...
October 20, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27746323/production-of-2-methyl-1-butanol-and-3-methyl-1-butanol-in-engineered-corynebacterium-glutamicum
#14
Michael Vogt, Christian Brüsseler, Jan van Ooyen, Michael Bott, Jan Marienhagen
The pentanol isomers 2-methyl-1-butanol and 3-methyl-1-butanol represent commercially interesting alcohols due to their potential application as biofuels. For a sustainable microbial production of these compounds, Corynebacterium glutamicum was engineered for producing 2-methyl-1-butanol and 3-methyl-1-butanol via the Ehrlich pathway from 2-keto-3-methylvalerate and 2-ketoisocaproate, respectively. In addition to an already available 2-ketoisocaproate producer, a 2-keto-3-methylvalerate accumulating C. glutamicum strain was also constructed...
October 13, 2016: Metabolic Engineering
https://www.readbyqxmd.com/read/27696843/the-bitter-chemodiversity-of-hops-humulus-lupulus-l
#15
Michael Dresel, Christian Vogt, Andreas Dunkel, Thomas Hofmann
To map the chemodiversity of key bitter compounds in hops, a total of 75 different samples collected from the global hop market were analyzed for 117 key bitter tastants by means of a multiparametric HPLC-MS/MSMRM method. Among the compounds detected, 2'',3''-epoxyxanthohumol was detected for the first time in hops and iso¬xantho¬humol M was identified as a marker compound for varieties grown in Germany. Hop ageing experiments in the absence and presence of air oxygen, respectively, were conducted to address the stability of hop-derived compounds during long-term storage...
October 3, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27682685/track-e-bioprinting-and-additive-manufacturing
#16
Fabian Wohlfender, Jasmine Rüegg, Nicola Vogt, Romy Marek, Michael de Wild
No abstract text is available yet for this article.
September 1, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/27671344/characterization-of-the-molecular-mechanism-of-5-lipoxygenase-inhibition-by-2-aminothiazoles
#17
Simon B M Kretschmer, Stefano Woltersdorf, Dominik Vogt, Felix F Lillich, Michael Rühl, Michael Karas, Isabelle V Maucher, Jessica Roos, Ann-Kathrin Häfner, Astrid Kaiser, Mario Wurglics, Manfred Schubert-Zsilavecz, Carlo Angioni, Gerd Geisslinger, Holger Stark, Dieter Steinhilber, Bettina Hofmann
5-Lipoxygenase (5-LO, EC1.13.11.34) has been implicated in the pathogenesis of inflammatory and immune diseases. Recently, aminothiazole comprising inhibitors have been discovered for this valuable target. Yet, the molecular mode of action of this class of substances is only poorly understood. Here, we present the detailed molecular mechanism of action of the compound class and the in vitro pharmacological profile of two lead compounds ST-1853 and ST-1906. Mechanistic studies with recombinant proteins as well as intact cell assays enabled us to define this class as a novel type of 5-LO inhibitors with unique characteristics...
January 1, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27662222/geographic-variation-in-surgical-outcomes-and-cost-between-the-united-states-and-japan
#18
Michael P Hurley, Lena Schoemaker, John M Morton, Sherry M Wren, William B Vogt, Sachiko Watanabe, Aki Yoshikawa, Jay Bhattacharya
OBJECTIVES: Unwarranted geographic variation in spending has received intense scrutiny in the United States. However, few studies have compared variation in spending and surgical outcomes between the United States healthcare system and those of other nations. In this study, we compare the geographic variation in postsurgical outcomes and cost between the United States and Japan. STUDY DESIGN: This retrospective cohort study uses Medicare Part A data from the United States (2010-2011) and similar inpatient data from Japan (2012)...
September 2016: American Journal of Managed Care
https://www.readbyqxmd.com/read/27618447/trans-ancestry-meta-analyses-identify-rare-and-common-variants-associated-with-blood-pressure-and-hypertension
#19
Praveen Surendran, Fotios Drenos, Robin Young, Helen Warren, James P Cook, Alisa K Manning, Niels Grarup, Xueling Sim, Daniel R Barnes, Kate Witkowska, James R Staley, Vinicius Tragante, Taru Tukiainen, Hanieh Yaghootkar, Nicholas Masca, Daniel F Freitag, Teresa Ferreira, Olga Giannakopoulou, Andrew Tinker, Magdalena Harakalova, Evelin Mihailov, Chunyu Liu, Aldi T Kraja, Sune Fallgaard Nielsen, Asif Rasheed, Maria Samuel, Wei Zhao, Lori L Bonnycastle, Anne U Jackson, Narisu Narisu, Amy J Swift, Lorraine Southam, Jonathan Marten, Jeroen R Huyghe, Alena Stančáková, Cristiano Fava, Therese Ohlsson, Angela Matchan, Kathleen E Stirrups, Jette Bork-Jensen, Anette P Gjesing, Jukka Kontto, Markus Perola, Susan Shaw-Hawkins, Aki S Havulinna, He Zhang, Louise A Donnelly, Christopher J Groves, N William Rayner, Matt J Neville, Neil R Robertson, Andrianos M Yiorkas, Karl-Heinz Herzig, Eero Kajantie, Weihua Zhang, Sara M Willems, Lars Lannfelt, Giovanni Malerba, Nicole Soranzo, Elisabetta Trabetti, Niek Verweij, Evangelos Evangelou, Alireza Moayyeri, Anne-Claire Vergnaud, Christopher P Nelson, Alaitz Poveda, Tibor V Varga, Muriel Caslake, Anton J M de Craen, Stella Trompet, Jian'an Luan, Robert A Scott, Sarah E Harris, David C M Liewald, Riccardo Marioni, Cristina Menni, Aliki-Eleni Farmaki, Göran Hallmans, Frida Renström, Jennifer E Huffman, Maija Hassinen, Stephen Burgess, Ramachandran S Vasan, Janine F Felix, Maria Uria-Nickelsen, Anders Malarstig, Dermot F Reilly, Maarten Hoek, Thomas F Vogt, Honghuang Lin, Wolfgang Lieb, Matthew Traylor, Hugh S Markus, Heather M Highland, Anne E Justice, Eirini Marouli, Jaana Lindström, Matti Uusitupa, Pirjo Komulainen, Timo A Lakka, Rainer Rauramaa, Ozren Polasek, Igor Rudan, Olov Rolandsson, Paul W Franks, George Dedoussis, Timothy D Spector, Pekka Jousilahti, Satu Männistö, Ian J Deary, John M Starr, Claudia Langenberg, Nick J Wareham, Morris J Brown, Anna F Dominiczak, John M Connell, J Wouter Jukema, Naveed Sattar, Ian Ford, Chris J Packard, Tõnu Esko, Reedik Mägi, Andres Metspalu, Rudolf A de Boer, Peter van der Meer, Pim van der Harst, Giovanni Gambaro, Erik Ingelsson, Lars Lind, Paul I W de Bakker, Mattijs E Numans, Ivan Brandslund, Cramer Christensen, Eva R B Petersen, Eeva Korpi-Hyövälti, Heikki Oksa, John C Chambers, Jaspal S Kooner, Alexandra I F Blakemore, Steve Franks, Marjo-Riitta Jarvelin, Lise L Husemoen, Allan Linneberg, Tea Skaaby, Betina Thuesen, Fredrik Karpe, Jaakko Tuomilehto, Alex S F Doney, Andrew D Morris, Colin N A Palmer, Oddgeir Lingaas Holmen, Kristian Hveem, Cristen J Willer, Tiinamaija Tuomi, Leif Groop, AnneMari Käräjämäki, Aarno Palotie, Samuli Ripatti, Veikko Salomaa, Dewan S Alam, Abdulla Al Shafi Majumder, Emanuele Di Angelantonio, Rajiv Chowdhury, Mark I McCarthy, Neil Poulter, Alice V Stanton, Peter Sever, Philippe Amouyel, Dominique Arveiler, Stefan Blankenberg, Jean Ferrières, Frank Kee, Kari Kuulasmaa, Martina Müller-Nurasyid, Giovanni Veronesi, Jarmo Virtamo, Panos Deloukas, Paul Elliott, Eleftheria Zeggini, Sekar Kathiresan, Olle Melander, Johanna Kuusisto, Markku Laakso, Sandosh Padmanabhan, David J Porteous, Caroline Hayward, Generation Scotland, Francis S Collins, Karen L Mohlke, Torben Hansen, Oluf Pedersen, Michael Boehnke, Heather M Stringham, Philippe Frossard, Christopher Newton-Cheh, Martin D Tobin, Børge Grønne Nordestgaard, Mark J Caulfield, Anubha Mahajan, Andrew P Morris, Maciej Tomaszewski, Nilesh J Samani, Danish Saleheen, Folkert W Asselbergs, Cecilia M Lindgren, John Danesh, Louise V Wain, Adam S Butterworth, Joanna M M Howson, Patricia B Munroe
High blood pressure is a major risk factor for cardiovascular disease and premature death. However, there is limited knowledge on specific causal genes and pathways. To better understand the genetics of blood pressure, we genotyped 242,296 rare, low-frequency and common genetic variants in up to 192,763 individuals and used ∼155,063 samples for independent replication. We identified 30 new blood pressure- or hypertension-associated genetic regions in the general population, including 3 rare missense variants in RBM47, COL21A1 and RRAS with larger effects (>1...
October 2016: Nature Genetics
https://www.readbyqxmd.com/read/27596101/a-biomechanical-micro-computertomographic-and-histological-analysis-of-the-influence-of-diclofenac-and-prednisolone-on-fracture-healing-in-vivo
#20
Oliver Bissinger, Kilian Kreutzer, Carolin Götz, Alexander Hapfelmeier, Christoph Pautke, Stephan Vogt, Gabriele Wexel, Klaus-Dietrich Wolff, Thomas Tischer, Peter Michael Prodinger
BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) have long been suspected of negatively affecting fracture healing, although numerous disputes still exist and little data are available regarding diclofenac. Glucocorticoids interfere in this process over a similar and even broader mechanism of action. As many previously conducted studies evaluated either morphological changes or biomechanical properties of treated bones, the conjunction of both structural measures is completely missing...
2016: BMC Musculoskeletal Disorders
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