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https://www.readbyqxmd.com/read/28237982/associations-between-ischemic-stroke-follow-up-socioeconomic-status-and-adherence-to-secondary-preventive-drugs-in-southern-sweden-observations-from-the-swedish-stroke-register-riksstroke
#1
Teresa Ullberg, Eva-Lotta Glader, Elisabet Zia, Jesper Petersson, Marie Eriksson, Bo Norrving
BACKGROUND: Currently, the knowledge that one has on adequate stroke follow-up practices is limited. We report associations between 90-day stroke follow-up, socio-economy and adherence to secondary prevention in southern Sweden. METHODS: Data on 5,602 patients with ischemic stroke January 1, 2008-December 31, 2010, were obtained from Riksstroke and linked to official registers for information on education, birth country, doctor's follow-ups, and secondary prevention...
February 25, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28236944/neurourbanism-towards-a-new-discipline
#2
Mazda Adli, Maximilian Berger, Eva-Lotta Brakemeier, Ludwig Engel, Joerg Fingerhut, Ana Gomez-Carrillo, Rainer Hehl, Andreas Heinz, Juergen Mayer H, Nassim Mehran, Sissel Tolaas, Henrik Walter, Ute Weiland, Joerg Stollmann
No abstract text is available yet for this article.
March 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28223533/generalized-myoclonic-epilepsy-with-photosensitivity-in-juvenile-dogs-caused-by-a-defective-diras-family-gtpase-1
#3
Franziska Wielaender, Riika Sarviaho, Fiona James, Marjo K Hytönen, Miguel A Cortez, Gerhard Kluger, Lotta L E Koskinen, Meharji Arumilli, Marion Kornberg, Andrea Bathen-Noethen, Andrea Tipold, Kai Rentmeister, Sofie F M Bhatti, Velia Hülsmeyer, Irene C Boettcher, Carina Tästensen, Thomas Flegel, Elisabeth Dietschi, Tosso Leeb, Kaspar Matiasek, Andrea Fischer, Hannes Lohi
The clinical and electroencephalographic features of a canine generalized myoclonic epilepsy with photosensitivity and onset in young Rhodesian Ridgeback dogs (6 wk to 18 mo) are described. A fully penetrant recessive 4-bp deletion was identified in the DIRAS family GTPase 1 (DIRAS1) gene with an altered expression pattern of DIRAS1 protein in the affected brain. This neuronal DIRAS1 gene with a proposed role in cholinergic transmission provides not only a candidate for human myoclonic epilepsy but also insights into the disease etiology, while establishing a spontaneous model for future intervention studies and functional characterization...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28219705/substance-p-represents-a-novel-first-line-defense-mechanism-in-the-nose
#4
Olivia Larsson, Lotta Tengroth, Yuan Xu, Rolf Uddman, Susanna Kumlien Georén, Lars-Olaf Cardell
BACKGROUND: Neuropeptides, such as substance P (SP), have long been seen as mediators of widespread, continuous airway inflammation, a process known as neurogenic inflammation. However, this has been difficult to demonstrate clinically, suggesting an alternative role for these signaling molecules. OBJECTIVES: To examine the role of SP in nasal infection, by assessing the release of SP in response to viral stimulation and characterizing the effects of SP on innate immunity, the latter reflected in changes in local Toll-like receptor (TLR) expression...
February 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28192654/self-assembly-of-recombinant-silk-as-a-strategy-for-chemical-free-formation-of-bioactive-coatings-a-real-time-study
#5
Linnea Nilebäck, Jesper Hedin, Mona Widhe, Lotta S Floderus, Annika Krona, Helena Bysell, My Hedhammar
Functionalization of biomaterials with biologically active peptides can improve their performance after implantation. By genetic fusion to self-assembling proteins, the functional peptides can easily be presented on different physical formats. Herein, a chemical-free coating method based on self-assembly of the recombinant spider silk protein 4RepCT is described and used to prepare functional coatings on various biomaterial surfaces. The silk assembly was studied in real-time, revealing the occurrence of continuous assembly of silk proteins onto surfaces and the formation of nanofibrillar structures...
February 21, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28183813/targeted-proteomics-and-absolute-protein-quantification-for-the-construction-of-a-stoichiometric-host-pathogen-surface-density-model
#6
Kristoffer Sjöholm, Ola Kilsgård, Johan Teleman, Lotta Happonen, Lars Malmström, Johan Malmström
Sepsis is a systemic immune response responsible for considerable morbidity and mortality. Molecular modelling of host-pathogen interactions in the disease state represents a promising strategy to define molecular events of importance for the transition from superficial to invasive infectious diseases. Here we used the gram-positive bacterium Streptococcus pyogenes as a model system to establish a mass spectrometry based workflow for the construction of a stoichiometric surface density model between the S. pyogenes surface, the surface virulence factor M-protein, and adhered human blood plasma proteins...
February 9, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28152104/cysteine-893-is-a-target-of-regulatory-thiol-modifications-of-glua1-ampa-receptors
#7
Lotta von Ossowski, Li-Li Li, Tommi Möykkynen, Sarah K Coleman, Michael J Courtney, Kari Keinänen
Recent studies indicate that glutamatergic signaling involves, and is regulated by, thiol modifying and redox-active compounds. In this study, we examined the role of a reactive cysteine residue, Cys-893, in the cytosolic C-terminal tail of GluA1 AMPA receptor as a potential regulatory target. Elimination of the thiol function by substitution of serine for Cys-893 led to increased steady-state expression level and strongly reduced interaction with SAP97, a major cytosolic interaction partner of GluA1 C-terminus...
2017: PloS One
https://www.readbyqxmd.com/read/28143391/adam23-is-a-common-risk-gene-for-canine-idiopathic-epilepsy
#8
Lotta L E Koskinen, Eija H Seppälä, Jutta Weissl, Tarja S Jokinen, Ranno Viitmaa, Reetta L Hänninen, Pascale Quignon, Andrea Fischer, Catherine André, Hannes Lohi
BACKGROUND: Idiopathic or genetic adult-onset epilepsy is a common neurological disorder in domestic dogs. Genetic association has been reported only with ADAM23 on CFA 37 in few breeds. To identify novel epilepsy genes, we performed genome-wide association (GWA) analyses in four new breeds, and investigated the association of the previously reported ADAM23 haplotype with the epilepsy phenotype in eight breeds. RESULTS: GWA analysis did not reveal new epilepsy loci...
January 31, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28138151/corrigendum-integrative-genomic-analysis-implicates-limited-peripheral-adipose-storage-capacity-in-the-pathogenesis-of-human-insulin-resistance
#9
Luca A Lotta, Pawan Gulati, Felix R Day, Felicity Payne, Halit Ongen, Martijn van de Bunt, Kyle J Gaulton, John D Eicher, Stephen J Sharp, Jian'an Luan, Emanuella De Lucia Rolfe, Isobel D Stewart, Eleanor Wheeler, Sara M Willems, Claire Adams, Hanieh Yaghootkar, Nita G Forouhi, Kay-Tee Khaw, Andrew D Johnson, Robert K Semple, Timothy Frayling, John R B Perry, Emmanouil Dermitzakis, Mark I McCarthy, Inês Barroso, Nicholas J Wareham, David B Savage, Claudia Langenberg, Stephen O'Rahilly, Robert A Scott
No abstract text is available yet for this article.
January 31, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28128321/spinal-hb9-cre-derived-excitatory-interneurons-contribute-to-rhythm-generation-in-the-mouse
#10
Vanessa Caldeira, Kimberly J Dougherty, Lotta Borgius, Ole Kiehn
Rhythm generating neurons are thought to be ipsilaterally-projecting excitatory neurons in the thoracolumbar mammalian spinal cord. Recently, a subset of Shox2 interneurons (Shox2 non-V2a INs) was found to fulfill these criteria and make up a fraction of the rhythm-generating population. Here we use Hb9::Cre mice to genetically manipulate Hb9::Cre-derived excitatory interneurons (INs) in order to determine the role of these INs in rhythm generation. We demonstrate that this line captures a consistent population of spinal INs which is mixed with respect to neurotransmitter phenotype and progenitor domain, but does not overlap with the Shox2 non-V2a population...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28118489/improved-postnatal-growth-of-extremely-low-birth-weight-boys-over-the-last-two-decades
#11
Lotta Immeli, Sture Andersson, Markus Leskinen, Emmi Vuorinen, Olli-Pekka Rinta-Koski, Päivi Luukkainen
The survival rate of extremely low birth weight (ELBW) infants has risen over the last two decades. However, the incidence of neurodevelopmental problems in these children remains high (1,2). Postnatal growth restriction is common among ELBW infants and it has been associated with poor long-term outcomes (3). It is widely recognised that an optimal nutrient supply is essential (4) to simulate postnatal intrauterine growth and, therefore, nutritional recommendations for preterm infants have changed substantially over the last 15 years (5,6)...
January 24, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28111361/tracing-cellular-origin-of-human-exosomes-using-multiplex-proximity-extension-assay
#12
Pia Larssen, Lotta Wik, Paulo Czarnewski, Maria Eldh, Liza Lof, Goran Ronquist, Louise Dubois, Eva Freyhult, Caroline Gallant, Johan Oelrich, Anders Larsson, Gunnar Ronquist, Eduardo Villablanca, Ulf Landegren, Susanne Gabrielsson, Masood Kamali-Moghaddam
Extracellular vesicles (EVs) are membrane-coated objects such as exosomes and microvesicles, released by many cell-types. Their presence in body fluids and the variable surface composition and content render them attractive potential biomarkers. The ability to determine their cellular origin could greatly move the field forward. We used multiplex proximity extension assays (PEA) to identify with high specificity and sensitivity the protein profiles of exosomes of different origins, including seven cell lines and two different body fluids...
January 22, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28107568/oral-immunoglobulin-treatment-improved-intestinal-permeability-in-children-with-active-crohn-s-disease
#13
Tommy Sundqvist, Lars Stenhammar, Bo Tjellström, Karl-Eric Magnusson, Tony Forslund, Lotta Högberg
AIM: Crohn's disease (CD) is a chronic mucosal inflammation that affects the intestinal barrier function, for example by altering the intestinal permeability. This pilot clinical study investigated the impact of oral human immunoglobulin (OHIG) treatment on permeability characteristics in children with active luminal Crohn's disease. METHODS: The study was performed at the Department of Paediatrics, Norrköping Hospital, Sweden. Intestinal permeability was studied in three boys aged 13, 15 and 18 years with active CD, before and after a six-week treatment programme with OHIG, using different-sized polyethylene glycols the test molecules...
January 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28087490/longitudinal-multiple-sclerosis-lesion-segmentation-resource-and-challenge
#14
Aaron Carass, Snehashis Roy, Amod Jog, Jennifer L Cuzzocreo, Elizabeth Magrath, Adrian Gherman, Julia Button, James Nguyen, Ferran Prados, Carole H Sudre, Manuel Jorge Cardoso, Niamh Cawley, Olga Ciccarelli, Claudia A M Wheeler-Kingshott, Sébastien Ourselin, Laurence Catanese, Hrishikesh Deshpande, Pierre Maurel, Olivier Commowick, Christian Barillot, Xavier Tomas-Fernandez, Simon K Warfield, Suthirth Vaidya, Abhijith Chunduru, Ramanathan Muthuganapathy, Ganapathy Krishnamurthi, Andrew Jesson, Tal Arbel, Oskar Maier, Heinz Handels, Leonardo O Iheme, Devrim Unay, Saurabh Jain, Diana M Sima, Dirk Smeets, Mohsen Ghafoorian, Bram Platel, Ariel Birenbaum, Hayit Greenspan, Pierre-Louis Bazin, Peter A Calabresi, Ciprian M Crainiceanu, Lotta M Ellingsen, Daniel S Reich, Jerry L Prince, Dzung L Pham
In conjunction with the ISBI 2015 conference, we organized a longitudinal lesion segmentation challenge providing training and test data to registered participants. The training data consisted of five subjects with a mean of 4.4 time-points, and test data of fourteen subjects with a mean of 4.4 time-points. All 82 data sets had the white matter lesions associated with multiple sclerosis delineated by two human expert raters. Eleven teams submitted results using state-of-the-art lesion segmentation algorithms to the challenge, with ten teams presenting their results at the conference...
January 11, 2017: NeuroImage
https://www.readbyqxmd.com/read/28075181/accelerated-or-conventional-whole-brain-irradiation-of-malignant-melanoma
#15
Ragnar Hultborn, Johanna Sand, Sara Kinhult, Lotta Lundgren, Ulrika Stierner, Ingela Turesson, Per Albertsson
No abstract text is available yet for this article.
January 11, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28054653/the-long-non-coding-rna-neat1-is-responsive-to-neuronal-activity-and-is-associated-with-hyperexcitability-states
#16
Guy Barry, James A Briggs, Do Won Hwang, Sam P Nayler, Patrick R J Fortuna, Nicky Jonkhout, Fabien Dachet, Jesper L V Maag, Pieter Mestdagh, Erin M Singh, Lotta Avesson, Dominik C Kaczorowski, Ezgi Ozturk, Nigel C Jones, Irina Vetter, Luis Arriola-Martinez, Jianfei Hu, Gloria R Franco, Victoria M Warn, Andrew Gong, Marcel E Dinger, Frank Rigo, Leonard Lipovich, Margaret J Morris, Terence J O'Brien, Dong Soo Lee, Jeffrey A Loeb, Seth Blackshaw, John S Mattick, Ernst J Wolvetang
Despite their abundance, the molecular functions of long non-coding RNAs in mammalian nervous systems remain poorly understood. Here we show that the long non-coding RNA, NEAT1, directly modulates neuronal excitability and is associated with pathological seizure states. Specifically, NEAT1 is dynamically regulated by neuronal activity in vitro and in vivo, binds epilepsy-associated potassium channel-interacting proteins including KCNAB2 and KCNIP1, and induces a neuronal hyper-potentiation phenotype in iPSC-derived human cortical neurons following antisense oligonucleotide knockdown...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28050710/the-copper-bis-thiosemicarbazone-complex-cu-ii-atsm-is-protective-against-cerebral-ischemia-through-modulation-of-the-inflammatory-milieu
#17
Mikko T Huuskonen, Qing-Zhang Tuo, Sanna Loppi, Hiramani Dhungana, Paula Korhonen, Lachlan E McInnes, Paul S Donnelly, Alexandra Grubman, Sara Wojciechowski, Katarina Lejavova, Yuriy Pomeshchik, Laura Periviita, Lotta Kosonen, Martina Giordano, Frederick R Walker, Rong Liu, Ashley I Bush, Jari Koistinaho, Tarja Malm, Anthony R White, Peng Lei, Katja M Kanninen
Developing new therapies for stroke is urgently needed, as this disease is the leading cause of death and disability worldwide, and the existing treatment is only available for a small subset of patients. The interruption of blood flow to the brain during ischemic stroke launches multiple immune responses, characterized by infiltration of peripheral immune cells, the activation of brain microglial cells, and the accumulation of immune mediators. Copper is an essential trace element that is required for many critical processes in the brain...
January 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28033261/elevated-thrombopoietin-and-platelet-indices-confirm-active-thrombopoiesis-but-fail-to-predict-clinical-severity-of-puumala-hantavirus-infection
#18
Outi Laine, Lotta Joutsi-Korhonen, Riitta Lassila, Heini Huhtala, Antti Vaheri, Satu Mäkelä, Jukka Mustonen
We evaluated the mechanisms of thrombocytopenia and procoagulant changes in relation with clinical variables in a cohort of patients with acute hantavirus disease.Blood samples of 33 prospectively recruited, consecutive, hospitalized patients with acute Puumala virus-induced hemorrhagic fever with renal syndrome (HFRS) were collected acutely and at the recovery visit (control). Serum thrombopoietin (TPO) and activity of plasma microparticles (MPs) from various cell sources were measured with enzyme-linked immunosorbent assay-based methods...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28030591/aggregated-alpha-synuclein-transfer-efficiently-between-cultured-human-neuron-like-cells-and-localize-to-lysosomes
#19
Jakob Domert, Christopher Sackmann, Emelie Severinsson, Lotta Agholme, Joakim Bergström, Martin Ingelsson, Martin Hallbeck
Parkinson's disease and other alpha-synucleinopathies are progressive neurodegenerative diseases characterized by aggregates of misfolded alpha-synuclein spreading throughout the brain. Recent evidence suggests that the pathological progression is likely due to neuron-to-neuron transfer of these aggregates between neuroanatomically connected areas of the brain. As the impact of this pathological spreading mechanism is currently debated, we aimed to investigate the transfer and subcellular location of alpha-synuclein species in a novel 3D co-culture human cell model based on highly differentiated SH-SY5Y cells...
2016: PloS One
https://www.readbyqxmd.com/read/28003803/affective-priming-by-eye-gaze-stimuli-behavioral-and-electrophysiological-evidence
#20
Tingji Chen, Mikko J Peltola, Lotta J Ranta, Jari K Hietanen
The present study employed the affective priming paradigm and measurements of event-related potentials (ERPs) to investigate implicit affective reactions elicited by gaze stimuli. Participants categorized positive and negative words primed by direct gaze, averted gaze and closed eyes. The behavioral response time (RT) results indicated that direct gaze implicitly elicited more positive affective reactions than did closed eyes. Analyses of the ERP responses to the target words revealed a priming effect on the N170 and an interaction on late positive potential (LPP) responses, and congruently with the behavioral results, suggested that, compared to closed eyes, direct gaze was affectively more congruent with positive words and more incongruent with negative words...
2016: Frontiers in Human Neuroscience
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