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https://www.readbyqxmd.com/read/27922153/-radioiodine-therapy-for-benign-thyroid-diseases-version-5-german-guideline
#1
Markus Dietlein, Frank Grünwald, Matthias Schmidt, Peter Schneider, Frederik A Verburg, Markus Luster
The version 5 of the guideline for radioiodine therapy of benign thyroid disorders is an update of the version 4, which was published by the German Society of Nuclear Medicine (Deutsche Gesellschaft für Nuklearmedizin, DGN) in co-ordination with the German Society of Endocrinology (Deutsche Gesellschaft für Endokrinologie, DGE, Sektion Schilddrüse) and the German Society of General- and Visceral-Surgery (Deutsche Gesellschaft für Allgemein- und Viszeralchirurgie, DGAV) in 2007. This guideline was harmonized with the recommendations of the European Association of Nuclear Medicine (EANM)...
December 6, 2016: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/27914205/mitochondrial-genotype-and-phenotypic-plasticity-of-gene-expression-in-response-to-cold-acclimation-in-killifish
#2
Timothy M Healy, Heather J Bryant, Patricia M Schulte
Adjustments of aerobic metabolic processes are critical components of organismal responses to environmental change that require tight co-ordination between the nuclear and mitochondrial genomes. Intraspecific differences in mitochondrial genotype can affect gene transcription in both genomes. Thus, variation in mitochondrial genotype may be associated with differences in the plasticity of gene expression when organisms are faced with changes in environmental conditions. Cold acclimation is known to result in metabolic responses involving increases in mitochondrial amount and capacity, suggesting that low temperatures may pose a particular challenge when co-ordinating the functions of the nuclear and mitochondrial genomes...
December 3, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/27913682/translational-regulation-of-mitochondrial-biogenesis
#3
REVIEW
Yi Zhang, Hong Xu
Mitochondria are generated by the expression of genes on both nuclear and mitochondrial genome. Mitochondrial biogenesis is highly plastic in response to cellular energy demand, developmental signals and environmental stimuli. Mechanistic target of rapamycin (mTOR) pathway regulates mitochondrial biogenesis to co-ordinate energy homeostasis with cell growth. The local translation of mitochondrial proteins on the outer membrane facilitates their efficient import and thereby allows prodigious mitochondrial biogenesis during rapid cell growth and proliferation...
December 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27911731/insights-into-the-post-transcriptional-regulation-of-the-mitochondrial-electron-transport-chain
#4
REVIEW
Tamara M Sirey, Chris P Ponting
The regulation of the mitochondrial electron transport chain is central to the control of cellular homeostasis. There are significant gaps in our understanding of how the expression of the mitochondrial and nuclear genome-encoded components of the electron transport chain are co-ordinated, and how the assembly of the protein complexes that constitute the electron transport chain are regulated. Furthermore, the role post-transcriptional gene regulation may play in modulating these processes needs to be clarified...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27907249/grainyhead-like-3-grhl3-deficiency-in-brain-leads-to-altered-locomotor-activity-and-decreased-anxiety-like-behaviours-in-aged-mice
#5
Sebastian Dworkin, Alana Auden, Darren D Partridge, Maria Daglas, Robert L Medcalf, Theo Mantamadiotis, Smitha R Georgy, Charbel Darido, Stephen M Jane, Stephen B Ting
The highly conserved Grainyhead-like (Grhl) family of transcription factors, comprising three members in vertebrates (Grhl1-3), play critical regulatory roles during embryonic development, cellular proliferation and apoptosis. Although loss of Grhl function leads to multiple neural abnormalities in numerous animal models, a comprehensive analysis of Grhl expression and function in the mammalian brain has not been reported. Here we show that only Grhl3 expression is detectable in the embryonic mouse brain; particularly within the habenula, an organ known to modulate repressive behaviours...
December 1, 2016: Developmental Neurobiology
https://www.readbyqxmd.com/read/27903820/agent-based-modelling-in-synthetic-biology
#6
REVIEW
Thomas E Gorochowski
Biological systems exhibit complex behaviours that emerge at many different levels of organization. These span the regulation of gene expression within single cells to the use of quorum sensing to co-ordinate the action of entire bacterial colonies. Synthetic biology aims to make the engineering of biology easier, offering an opportunity to control natural systems and develop new synthetic systems with useful prescribed behaviours. However, in many cases, it is not understood how individual cells should be programmed to ensure the emergence of a required collective behaviour...
November 30, 2016: Essays in Biochemistry
https://www.readbyqxmd.com/read/27902441/biosynthesis-of-selenate-reductase-in-salmonella-enterica-critical-roles-for-the-signal-peptide-and-dmsd
#7
Katherine Connelly, Calum Stevenson, Holger Kneuper, Frank Sargent
Salmonella enterica serovar Typhimurium is a Gram negative bacterium with a flexible respiratory capability. Under anaerobic conditions, S. enterica can utilise a range of terminal electron acceptors to sustain respiratory electron transport chains, including the potentially toxic compound selenate. The S. enterica selenate reductase is a membrane-bound enzyme encoded by the ynfEFGH-dmsD operon. The active enzyme is predicted to comprise at least three subunits where YnfE is a molybdenum-containing catalytic subunit...
October 20, 2016: Microbiology
https://www.readbyqxmd.com/read/27899106/which-aspects-of-health-care-are-most-valued-by-people-living-with-hiv-in-high-income-countries-a-systematic-review
#8
V Cooper, J Clatworthy, E Youssef, C Llewellyn, A Miners, M Lagarde, M Sachikonye, N Perry, E Nixon, A Pollard, C Sabin, C Foreman, M Fisher
BACKGROUND: Increasing numbers of people with HIV are living into older age and experiencing comorbidities. The development of new models of care to meet the needs of this population is now a priority. It is important that the views and preferences of patients inform the development of services in order to maintain high levels of patient satisfaction and engagement. The aim of this systematic review was to determine which aspects of healthcare are particularly valued by people living with HIV...
November 30, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27897242/cortical-synaptic-and-dendritic-spine-abnormalities-in-a-presymptomatic-tdp-43-model-of-amyotrophic-lateral-sclerosis
#9
Matthew J Fogarty, Paul M Klenowski, John D Lee, Joy R Drieberg-Thompson, Selena E Bartlett, Shyuan T Ngo, Massimo A Hilliard, Mark C Bellingham, Peter G Noakes
Layer V pyramidal neurons (LVPNs) within the motor cortex integrate sensory cues and co-ordinate voluntary control of motor output. In amyotrophic lateral sclerosis (ALS) LVPNs and spinal motor neurons degenerate. The pathogenesis of neural degeneration is unknown in ALS; 10% of cases have a genetic cause, whereas 90% are sporadic, with most of the latter showing TDP-43 inclusions. Clinical and experimental evidence implicate excitotoxicity as a prime aetiological candidate. Using patch clamp and dye-filling techniques in brain slices, combined with high-resolution confocal microscopy, we report increased excitatory synaptic inputs and dendritic spine densities in early presymptomatic mice carrying a TDP-43(Q331K) mutation...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27896868/crohn-s-disease-should-be-considered-in-children-with-inflammatory-oral-lesions
#10
REVIEW
Anna Skrzat, Dorota Olczak-Kowalczyk, Anna Turska- Szybka
: This systematic review presents the oral manifestations of paediatric Crohn's disease. Our review of 28 papers published from 2000 to 2015 showed that the prevalence of oral manifestations was 10 to 80%. Specific symptoms included mucosal tags, swelling of the lips, cheeks and gingiva and cobblestoning mucosa. Non-specific symptoms included aphthous-like ulcers, angular cheilitis, lip fissuring and gingivitis. CONCLUSION: The oral manifestations of Crohn's disease might precede intestinal inflammation or coincide with it...
November 29, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27894289/the-patient-reporting-and-action-for-a-safe-environment-prase-intervention-a-feasibility-study
#11
Jane K O'Hara, Rebecca J Lawton, Gerry Armitage, Laura Sheard, Claire Marsh, Kim Cocks, Rosie R C McEachan, Caroline Reynolds, Ian Watt, John Wright
BACKGROUND: There is growing interest in the role of patients in improving patient safety. One such role is providing feedback on the safety of their care. Here we describe the development and feasibility testing of an intervention that collects patient feedback on patient safety, brings together staff to consider this feedback and to plan improvement strategies. We address two research questions: i) to explore the feasibility of the process of systematically collecting feedback from patients about the safety of care as part of the PRASE intervention; and, ii) to explore the feasibility and acceptability of the PRASE intervention for staff, and to understand more about how staff use the patient feedback for service improvement...
November 28, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27879201/visual-attention-is-available-at-a-task-relevant-location-rapidly-after-a-saccade
#12
Tao Yao, Madhura Ketkar, Stefan Treue, B Suresh Krishna
Maintaining attention at a task-relevant spatial location while making eye-movements necessitates a rapid, saccade-synchronized shift of attentional modulation from the neuronal population representing the task-relevant location before the saccade to the one representing it after the saccade. Currently, the precise time at which spatial attention becomes fully allocated to the task-relevant location after the saccade remains unclear. Using a fine-grained temporal analysis of human peri-saccadic detection performance in an attention task, we show that spatial attention is fully available at the task-relevant location within 30 milliseconds after the saccade...
November 23, 2016: ELife
https://www.readbyqxmd.com/read/27875869/coarse-grained-simulations-for-flow-of-complex-soft-matter-fluids-in-the-bulk-and-in-the-presence-of-solid-interfaces
#13
V R Ahuja, J van der Gucht, W J Briels
We present a coarse-grained particle-based simulation technique for modeling flow of complex soft matter fluids such as polymer solutions in the presence of solid interfaces. In our coarse-grained description of the system, we track the motion of polymer molecules using their centers-of-mass as our coarse-grain co-ordinates and also keep track of another set of variables that describe the background flow field. The coarse-grain motion is thus influenced not only by the interactions based on appropriate potentials used to model the particular polymer system of interest and the random kicks associated with thermal fluctuations, but also by the motion of the background fluid...
November 21, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/27873428/data-and-safety-monitoring-board-evaluation-and-management-of-a-renal-adverse-event-signal-in-topcat
#14
REVIEW
Michael R Bristow, Kavita Sharma, Susan F Assmann, Stuart Linas, Bernard J Gersh, Christine Grady, Madeline Murguia Rice, Steven Singh, Robin Boineau, Sonja M McKinlay, Barry H Greenberg
Clinical trial Data and Safety Monitoring Boards (DSMBs) have a primary obligation of ensuring study participant safety, while maintaining trial integrity. The role of DSMBs is expanding, and ideally should include post-hoc reporting of deliberative processes related to clinically important safety issues or factors that could impact on future trial designs. We describe how the TOPCAT DSMB detected, investigated, and adjudicated an unexpectedly large renal adverse event signal midway through the trial, and offer general guidelines for dealing with similar unanticipated occurrences in future trials...
November 21, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27861762/gut-microbiome-in-children-with-enthesitis-related-arthritis-in-a-developing-country-and-the-effect-of-probiotic-administration
#15
Amita Aggarwal, Aditya N Sarangi, Priyanka Gaur, Anuj Shukla, Rakesh Aggarwal
In Asia, enthesitis-related arthritis (ERA) is the most-frequent category of juvenile idiopathic arthritis. ERA has a strong association with HLA-B27 and subclinical gut inflammation. In a HLA-B27 transgenic rat model, presence of Bacteroides bacteria in the gut appears to cause spondyloarthropathy (SpA). Thus, we studied gut microbiota in children with ERA. Stool specimens from 33 patients with ERA and 14 age-matched healthy controls were studied; none had any gastrointestinal symptom, or had received a drug known to affect gut motility or microbiota in the preceding 6 weeks...
November 9, 2016: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/27858231/how-i-do-it-awake-craniotomy
#16
Ciaran Scott Hill, Flavio Severgnini, Edward McKintosh
BACKGROUND: Awake craniotomy allows continuous assessment of a patient's clinical and neurological status during open brain surgery. This facilitates early detection of interference with eloquent cortex, and hence can allow a surgeon to maximize resection margins without compromising neurological function. METHODS: Awake craniotomy requires an effective scalp blockade, intraoperative assessment, and a carefully co-ordinated theatre team. A variety of clinical and electrophysiological techniques can be used to assess cortical function...
November 17, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27857238/implementation-of-fracture-liaison-service-in-a-new-zealand-public-hospital-waitemata-district-health-board-experience
#17
David Kim, Denise Mackenzie, Rick Cutfield
AIM: To analyse the performance of a Fracture Liaison Service (FLS) at Waitemata District Health Board (WDHB), and to detail how systematic secondary fracture prevention can be delivered in a secondary healthcare setting in New Zealand. METHOD: Clinical details of patients supervised by the WDHB FLS during the calendar year 2014 were reviewed and analysed. Additional information including treatment compliance and re-fracture rates were sought a year after initial intervention...
November 18, 2016: New Zealand Medical Journal
https://www.readbyqxmd.com/read/27848035/effect-of-mutation-on-the-stabilization-energy-of-hiv-1-zinc-fingers-a-hybrid-local-self-consistent-field-molecular-mechanics-investigation
#18
Nedjoua Drici, Mohamed Abdelghani Krallafa
Metal-ligand interactions give rise to a wide variety of metal complexes with various physical properties and chemical behaviours and numerous practical applications. The ability of the zinc ion to enhance the structural stability of many proteins by electrostatic interactions or by co-ordination with surrounding amino acids makes it the most important metal ion found in biological systems. In this paper, we highlight the importance of non-covalent interaction established between a metal ion and its environment in stabilizing biomolecules...
November 15, 2016: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/27845196/chronic-fatigue-syndrome-and-chronic-widespread-pain-in-adolescence-population-birth-cohort-study
#19
Tom Norris, Kevin Deere, Jon H Tobias, Esther Crawley
: Whilst many studies have investigated the overlap between pain phenotypes and chronic fatigue syndrome (CFS) in adults, little is known about the relationship between these conditions in adolescents. The study's aim was therefore to identify whether a relationship exists between chronic widespread pain (CWP) and CFS in adolescents and investigate whether the two share common associations with a set of covariates. A questionnaire was administered to offspring of the Avon Longitudinal Study of Parents and Children at age 17, asking about site, duration, and pain intensity, from which participants with CWP were identified...
November 11, 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/27843842/evaluation-of-proficiency-in-using-different-inhaler-devices-among-intern-doctors
#20
Ravish M Kshatriya, Nimit V Khara, Rajiv P Paliwal, Satish N Patel
CONTEXT: Doctors may have deficiencies in the ability to use different inhalers, which in turn, can result in improper technique by the patients and poorly controlled asthma and chronic obstructive pulmonary disease (COPD). AIMS: To evaluate intern doctors' proficiency in using various inhaler devices. MATERIALS AND METHODS: Seventy interns were evaluated for their proficiency in using pressurized metered dose inhaler (pMDI), pMDI with spacer, rotahaler, turbuhaler, and nebulizer...
April 2016: Journal of Family Medicine and Primary Care
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