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https://www.readbyqxmd.com/read/28323680/transient-global-amnesia-commentary-on-trip-gabriel-s-first-person-account
#1
Howard S Kirshner
This paper comments on a companion article, a first-person account of an episode of transient global amnesia written by New York Times reporter Trip Gabriel (Gabriel T. 2017. Cogn Behav Neurol. 30:1-4). Mr Gabriel describes having no memories of a cold, rainy day that he had spent on a sailboat competing in two races. The episode may have been triggered by his exposure to water. Afterward, the skipper recalled that Mr Gabriel had functioned fine on the boat, although after returning to shore he needed help finding his car...
March 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28323679/the-day-that-went-missing-a-first-person-account-of-transient-global-amnesia
#2
Trip Gabriel
In this vivid first-person case history, political reporter Trip Gabriel describes experiencing a classic episode of transient global amnesia. He was near the average target age of 61. Although no cause has been established for the syndrome, as with many other patients his episode appears to have been triggered by contact with water: He was racing a sailboat. While remaining alert and handling complex sailing maneuvers, he suddenly developed amnesia that left him with no recollection of finishing two races, returning to shore, drinking a beer with his friends, needing help finding his car, and not knowing where he was or where he lived...
March 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28315758/tat-pep-a-novel-blocker-of-pirb-enhances-the-recovery-of-cognitive-function-in-mice-after-transient-global-cerebral-ischemia
#3
Liya Li, Bin Deng, Shuang Li, Tao Jiang, Zhaoyang Xiao, Qiang Wang
Neuronal damage and axonal regeneration inhibition are the main reasons to poor functional recovery after ischemia. Nogo-A signals inhibit axon outgrowth through the PirB receptor after ischemic reperfusion injury in central nervous system. We use TAT-PEP, a novel protein which could pass through the blood brain barrier, to block the function of PirB and identify the long-term neurological and behavioral recovery after bilateral common carotid artery occlusion (BCCAO) in mice. We observed that TAT-PEP promoted neuron survival and inhibited neuronal apoptosis...
March 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28303970/transient-desialylation-in-combination-with-a-novel-antithrombin-deficiency-causing-a-severe-and-recurrent-thrombosis-despite-anticoagulation-therapy
#4
Nuria Revilla, María Eugenia de la Morena-Barrio, Antonia Miñano, Raquel López-Gálvez, Mara Toderici, José Padilla, Ángel García-Avello, María Luisa Lozano, Dirk J Lefeber, Javier Corral, Vicente Vicente
An in-depth focused study of specific cases of patients with recurrent thrombosis may help to identify novel circumstances, genetic and acquired factors contributing to the development of this disorder. The aim of this study was to carry out a detailed and sequential analysis of samples from a patient suffering from early and recurrent venous and arterial thrombosis. We performed thrombophilic tests, biochemical, functional, genetic and glycomic analysis of antithrombin and other plasma proteins. The patient carried a new type I antithrombin mutation (p...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303259/sensory-neuron-specific-deletion-of-trpa1-results-in-mechanical-cutaneous-sensory-deficits
#5
Katherine J Zappia, Crystal L O'Hara, Francie Moehring, Kelvin Y Kwan, Cheryl L Stucky
The nonselective cation channel transient receptor potential ankyrin 1 (TRPA1) is known to be a key contributor to both somatosensation and pain. Recent studies have implicated TRPA1 in additional physiologic functions and have also suggested that TRPA1 is expressed in nonneuronal tissues. Thus, it has become necessary to resolve the importance of TRPA1 expressed in primary sensory neurons, particularly since previous research has largely used global knock-out animals and chemical TRPA1 antagonists. We therefore sought to isolate the physiological relevance of TRPA1 specifically within sensory neurons...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28299981/electroconvulsive-therapy-against-the-patients-will-a-case-series
#6
Isabel Methfessel, Alexander Sartorius, David Zilles
OBJECTIVES: Electroconvulsive therapy (ECT) is the most effective therapy for severe depressive and psychotic disorders. As patients may be subject to legal incapacity and lack of insight, treatment may be administered against the patient's will. There is only limited evidence on the use of ECT against the patient's non-autonomous will. METHODS: We report a series of eight patients who received ECT against their will in two German university medical hospitals between 2014 and 2016...
March 16, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28299505/changes-in-membrane-lipids-drive-increased-endocytosis-following-fas-ligation
#7
Mauro Degli Esposti, Paola Matarrese, Antonella Tinari, Agostina Longo, Serena Recalchi, Roya Khosravi-Far, Walter Malorni, Roberta Misasi, Tina Garofalo, Maurizio Sorice
Once activated, some surface receptors promote membrane movements that open new portals of endocytosis, in part to facilitate the internalization of their activated complexes. The prototypic death receptor Fas (CD95/Apo1) promotes a wave of enhanced endocytosis that induces a transient intermixing of endosomes with mitochondria in cells that require mitochondria to amplify death signaling. This initiates a global alteration in membrane traffic that originates from changes in key membrane lipids occurring in the endoplasmic reticulum (ER)...
March 15, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28294064/knockdown-of-c-c-chemokine-receptor-5-ccr5-is-protective-against-cerebral-ischemia-and-reperfusion-injury
#8
Edna Constanza Gómez Victoria, Eliana Cristina de Brito Toscano, Ana Clara de Sousa Cardoso, Daniele Gonçalves da Silva, Aline Silva de Miranda, Lucíola da Silva Barcelos, Michelle Adriane Sugimoto, Lirlândia Pires Sousa, Isabel Vieira de Assis Lima, Antônio Carlos Pinheiro de Oliveira, Fátima Brant, Fabiana Simão Machado, Mauro Martins Teixeira, Antônio Lúcio Teixeira, Milene Alvarenga Rachid
BACKGROUND: Stroke is the second leading cause of death and a major cause of disability of adults worldwide. Inflammatory processes are known to contribute to the pathophysiology of cerebral ischemia, especially following reperfusion. Chemokines and their receptors are involved in migration of leukocytes and have been implicated in pathogenesis of ischemic stroke. OBJECTIVE: In the present study, we investigated the effects of C-C chemokine receptor type 5 (CCR5) deficiency on neurological outcome, brain damage and expression of pro-inflammatory chemokines: chemokine (C-X-C motif) ligand 1 (CXCL1), chemokine (CC motif) ligand 3 (CCL3) and chemokine (C-C motif) ligand 5 (CCL5), and the brain-derived neurotrophic factor (BDNF)...
March 13, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28291008/the-efficacy-of-yttrium-90-radiosynovectomy-in-patients-with-camptodactyly-arthropathy-coxa-vara-pericarditis-syndrome
#9
Sulaiman Mohammed Al-Mayouf, Nora Almutairi, Khalid Alismail
OBJECTIVE: Camptodactyly-arthropathy-coxa-vara-pericarditis (CACP) syndrome is an autosomal recessive disorder caused by mutations in PRG4 gene that encodes for proteoglycan 4, the main lubricant for joints and tendon surfaces. It is a non-inflammatory arthropathy, characterized by joint effusions and synovial hypertrophy. So far, there is no effective treatment for this disorder. To evaluate the effectiveness of yttrium-90 radiosynovectomy in arthropathy of patients with CACP syndrome...
February 5, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28289555/gender-differences-in-post-traumatic-stress
#10
Maria Grazia Modena, Daniele Pettorelli, Giulia Lauria, Elisa Giubertoni, Erminio Mauro, Valentina Martinotti
Acute stress can trigger cardiovascular events and disease. The earthquake is an "ideal" natural experiment for acute and chronic stress, with impact mainly on the cardiovascular system. On May 20th and 29th, 2012, two earthquakes of magnitude 5.9° to 6.4° on the Richter scale, hit the province of Modena and Reggio Emilia, an area of the north-center of Italy never considered at seismic risk. The purpose of our study was to assess whether there were gender-specific differences in stress-induced incidence of cardiovascular events and age of patients who arrived at the Emergency Departments (ED) of the three main teaching hospitals of the University of Modena and Reggio Emilia...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28282288/strategies-in-relative-and-absolute-quantitative-mass-spectrometry-based-proteomics
#11
Claudia Lindemann, Nikolas Thomanek, Franziska Christine Hundt, Thilo Lerari, Helmut E Meyer, Dirk Wolters, Katrin Marcus
Quantitative mass spectrometry approaches are used for absolute and relative quantification in global proteome studies. Up to date different relative and absolute quantification techniques are available that differ in quantification accuracy, proteome coverage, complexity and robustness. This review focuses on most common relative or absolute quantification strategies exemplified by three experimental studies. A label-free relative quantification approach was performed for the investigation of the membrane proteome of sensory cilia to the depth of olfactory receptors in Mus musculus...
March 7, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28281671/visualizing-adsorption-of-cyanophage-p-ssp7-onto-marine-prochlorococcus
#12
Kazuyoshi Murata, Qinfen Zhang, Jesús Gerardo Galaz-Montoya, Caroline Fu, Maureen L Coleman, Marcia S Osburne, Michael F Schmid, Matthew B Sullivan, Sallie W Chisholm, Wah Chiu
Marine cyanobacteria perform roughly a quarter of global carbon fixation, and cyanophages that infect them liberate some of this carbon during infection and cell lysis. Studies of the cyanobacterium Prochlorococcus MED4 and its associated cyanophage P-SSP7 have revealed complex gene expression dynamics once infection has begun, but the initial cyanophage-host interactions remain poorly understood. Here, we used single particle cryo-electron tomography (cryo-ET) to investigate cyanophage-host interactions in this model system, based on 170 cyanophage-to-host adsorption events...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28281008/efficacy-of-endoscopic-endonasal-transsphenoidal-surgery-for-cushing-s-disease-in-230-patients-with-positive-and-negative-mri
#13
Hélène Cebula, Bertrand Baussart, Chiara Villa, Guillaume Assié, Anne Boulin, Luc Foubert, Sorin Aldea, Saad Bennis, Michèle Bernier, François Proust, Stephan Gaillard
OBJECT: The primary objective was to assess the remission rate, and the secondary objectives were to evaluate the early complications and recurrence rate and to define the predictive factors for the remission and recurrence rates. PATIENTS AND METHODS: This prospective single-center study included 230 consecutive patients, operated on by a single surgeon for Cushing's disease via a transsphenoidal endoscopic endonasal approach, over a 6-year period (2008-2013). The patients included in this series were all adults (>18 years of age), who presented with clinical and biological characteristics of Cushing's disease confirmed based on dedicated MRI pituitary imaging...
March 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28279534/winter-ecology-of-a-subalpine-grassland-effects-of-snow-removal-on-soil-respiration-microbial-structure-and-function
#14
Konstantin Gavazov, Johannes Ingrisch, Roland Hasibeder, Robert T E Mills, Alexandre Buttler, Gerd Gleixner, Jukka Pumpanen, Michael Bahn
Seasonal snow cover provides essential insulation for mountain ecosystems, but expected changes in precipitation patterns and snow cover duration due to global warming can influence the activity of soil microbial communities. In turn, these changes have the potential to create new dynamics of soil organic matter cycling. To assess the effects of experimental snow removal and advanced spring conditions on soil carbon (C) and nitrogen (N) dynamics, and on the biomass and structure of soil microbial communities, we performed an in situ study in a subalpine grassland in the Austrian Alps, in conjunction with soil incubations under controlled conditions...
March 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28267381/dynamics-of-5-carboxylcytosine-during-hepatic-differentiation-potential-general-role-for-active-demethylation-by-dna-repair-in-lineage-specification
#15
Lara C Lewis, Peggy Cho Kiu Lo, Jeremy M Foster, Nan Dai, Ivan R Corrêa, Paulina M Durczak, Gary Duncan, Ashley Ramsawhook, Guruprasad Padur Aithal, Chris Denning, Nicholas R F Hannan, Alexey Ruzov
Patterns of DNA methylation (5-methylcytosine, 5mC) are rearranged during differentiation contributing to the regulation of cell type-specific gene expression. TET proteins oxidize 5mC to 5-hydroxymethylcytosine (5hmC), 5-formylcytosine (5fC), and 5-carboxylcytosine (5caC). Both 5fC and 5caC can be recognized and excised from DNA by thymine-DNA glycosylase (TDG) followed by the subsequent incorporation of unmodified cytosine into the abasic site via the base excision repair (BER) pathway. We previously demonstrated that 5caC accumulates during lineage specification of neural stem cells (NSCs) suggesting that such active demethylation pathway is operative in this system; however, it is still unknown if TDG/BER-dependent demethylation is utilized during other types of cellular differentiation...
March 7, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28262815/timing-of-global-regression-and-microbial-bloom-linked-with-the-permian-triassic-boundary-mass-extinction-implications-for-driving-mechanisms
#16
Björn Baresel, Hugo Bucher, Borhan Bagherpour, Morgane Brosse, Kuang Guodun, Urs Schaltegger
New high-resolution U-Pb dates indicate a duration of 89 ± 38 kyr for the Permian hiatus and of 14 ± 57 kyr for the overlying Triassic microbial limestone in shallow water settings of the Nanpanjiang Basin, South China. The age and duration of the hiatus coincides with the Permian-Triassic boundary (PTB) and the extinction interval in the Meishan Global Stratotype Section and Point, and strongly supports a glacio-eustatic regression, which best explains the genesis of the worldwide hiatus straddling the PTB in shallow water records...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28259955/gene-expression-profiles-in-preterm-infants-on-continuous-long%C3%A2-term-oxygen-therapy-suggest-reduced-oxidative-stress%C3%A2-dependent-signaling-during-hypoxia
#17
Betty Kalikstad, Hanna Göransson Kultima, Terese Kristoffersen Andersstuen, Arne Klungland, Anders Isaksson
Preterm infants are susceptible to neonatal inflammatory/infective diseases requiring drug therapy. The present study hypothesized that mRNA expression in the blood may be modulated by signaling pathways during treatment. The current study aimed to explore changes in global gene expression in the blood from preterm infants with the objective of identifying patterns or pathways of potential relevance to drug therapy. The infants involved were selected based on maternal criteria indicating increased risk for therapeutic intervention...
February 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28259304/detection-of-acute-changes-in-left-ventricular-function-by-myocardial-deformation-analysis-after-excessive-alcohol-ingestion
#18
Jörg Schröder, Sandra Hamada, Ertunc Altiok, Mohammad Almalla, Chrysoula Koutziampasi, Andreas Napp, András Keszei, Marc Hein, Michael Becker
BACKGROUND: The effects of acute excessive alcohol ingestion on echocardiographic parameters of left ventricular (LV) function are unclear. METHODS: One hundred ninety-nine healthy subjects (44 ± 5 years, 71% male) were prospectively examined within 6 hours after excessive alcohol ingestion as well as after 4 weeks with strict alcohol abstinence. Echocardiography was performed at baseline and follow-up for conventional parameters (left ventricular ejection fraction [LVEF], transmitral E and A Doppler flow velocities, E/A ratio, tissue Doppler velocity lateral and septal (é), E/é ratio, deceleration time of E, and isovolumic relaxation time) and myocardial deformation data (such as global radial and global and layer-specific circumferential [endo and epi global CS] and longitudinal [endo and epi global LS] strain)...
March 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28258386/assessing-the-combined-effect-of-extremely-low-frequency-magnetic-field-exposure-and-oxidative-stress-on-line-1-promoter-methylation-in-human-neural-cells
#19
Gianfranco Giorgi, Chiara Pirazzini, Maria Giulia Bacalini, Cristina Giuliani, Paolo Garagnani, Miriam Capri, Ferdinando Bersani, Brunella Del Re
Extremely low frequency magnetic fields (ELF-MF) have been classified as "possibly carcinogenic", but their genotoxic effects are still unclear. Recent findings indicate that epigenetic mechanisms contribute to the genome dysfunction and it is well known that they are affected by environmental factors. To our knowledge, to date the question of whether exposure to ELF-MF can influence epigenetic modifications has been poorly addressed. In this paper, we investigated whether exposure to ELF-MF alone and in combination with oxidative stress (OS) can affect DNA methylation, which is one of the most often studied epigenetic modification...
March 3, 2017: Radiation and Environmental Biophysics
https://www.readbyqxmd.com/read/28255464/impairments-in-brain-perfusion-metabolites-functional-connectivity-and-cognition-in-severe-asymptomatic-carotid-stenosis-patients-an-integrated-mri-study
#20
Tao Wang, Feng Xiao, Guangyao Wu, Jian Fang, Zhenmeng Sun, Hongliang Feng, Junjian Zhang, Haibo Xu
Carotid artery stenosis without transient ischemic attack (TIA) or stroke is considered as "asymptomatic." However, recent studies have demonstrated that these asymptomatic carotid artery stenosis (aCAS) patients had cognitive impairment in tests of executive function, psychomotor speed, and memory, indicating that "asymptomatic" carotid stenosis may not be truly asymptomatic. In this study, when 19 aCAS patients compared with 24 healthy controls, aCAS patients showed significantly poorer performance on global cognition, memory, and executive function...
2017: Neural Plasticity
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