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https://www.readbyqxmd.com/read/28092791/minor-physical-anomalies-in-bipolar-i-and-bipolar-ii-disorders-results-with-the-m%C3%A3-hes-scale
#1
Hajnalka Berecz, Györgyi Csábi, Sára Jeges, Róbert Herold, Maria Simon, Tamás Halmai, Dániel Trixler, András Hajnal, Ákos Levente Tóth, Tamás Tényi
Minor physical anomalies (MPAs) are external markers of abnormal brain development, so the more common appearence of these signs among bipolar I and bipolar II patients can confirm the possibility of a neurodevelopmental deficit in these illnesses. The aim of the present study was to investigate the rate and topological profile of minor physical anomalies in patients with bipolar I and - first in literature - with bipolar II disorders compared to matched healthy control subjects. Using a list of 57 minor physical anomalies (the Méhes Scale), 30 bipolar I and 30 bipolar II patients, while as a comparison 30 matched healthy control subjects were examined...
January 5, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28089904/retuning-brain-circuitry-to-treat-mental-illness-the-role-of-functional-neuroimaging-commentary-for-the-special-issue-mechanisms-of-change
#2
https://www.readbyqxmd.com/read/28087578/distinct-binding-of-pet-ligands-pbb3-and-av-1451-to-tau-fibril-strains-in-neurodegenerative-tauopathies
#3
Maiko Ono, Naruhiko Sahara, Katsushi Kumata, Bin Ji, Ruiqing Ni, Shunsuke Koga, Dennis W Dickson, John Q Trojanowski, Virginia M-Y Lee, Mari Yoshida, Isao Hozumi, Yasumasa Yoshiyama, John C van Swieten, Agneta Nordberg, Tetsuya Suhara, Ming-Rong Zhang, Makoto Higuchi
Diverse neurodegenerative disorders are characterized by deposition of tau fibrils composed of conformers (i.e. strains) unique to each illness. The development of tau imaging agents has enabled visualization of tau lesions in tauopathy patients, but the modes of their binding to different tau strains remain elusive. Here we compared binding of tau positron emission tomography ligands, PBB3 and AV-1451, by fluorescence, autoradiography and homogenate binding assays with homologous and heterologous blockades using tauopathy brain samples...
January 12, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28087269/mitochondrial-roles-of-the-psychiatric-disease-risk-factor-disc1
#4
REVIEW
R Norkett, S Modi, J T Kittler
Ion transport during neuronal signalling utilizes the majority of the brain's energy supply. Mitochondria are key sites for energy provision through ATP synthesis and play other important roles including calcium buffering. Thus, tightly regulated distribution and function of these organelles throughout the intricate architecture of the neuron is essential for normal synaptic communication. Therefore, delineating mechanisms coordinating mitochondrial transport and function is essential for understanding nervous system physiology and pathology...
January 10, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28079189/maintenance-and-representation-of-mind-wandering-during-resting-state-fmri
#5
Ying-Hui Chou, Mark Sundman, Heather E Whitson, Pooja Gaur, Mei-Lan Chu, Carol P Weingarten, David J Madden, Lihong Wang, Imke Kirste, Marc Joliot, Michele T Diaz, Yi-Ju Li, Allen W Song, Nan-Kuei Chen
Major advances in resting-state functional magnetic resonance imaging (fMRI) techniques in the last two decades have provided a tool to better understand the functional organization of the brain both in health and illness. Despite such developments, characterizing regulation and cerebral representation of mind wandering, which occurs unavoidably during resting-state fMRI scans and may induce variability of the acquired data, remains a work in progress. Here, we demonstrate that a decrease or decoupling in functional connectivity involving the caudate nucleus, insula, medial prefrontal cortex and other domain-specific regions was associated with more sustained mind wandering in particular thought domains during resting-state fMRI...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078616/physician-power-to-declare-death-by-neurologic-criteria-threatened
#6
Ariane Lewis, Thaddeus Mason Pope
BACKGROUND: Three recent lawsuits that address declaration of brain death (BD) garnered significant media attention and threaten to limit physician power to declare BD. METHODS: We discuss these cases and their consequences including: the right to refuse an apnea test, accepted medical standards for declaration of BD, and the irreversibility of BD. RESULTS: These cases warrant discussion because they threaten to: limit physicians' power to determine death; incite families to seek injunctions to continue organ support after BD; and force hospitals to dispense valuable resources to dead patients in lieu of patients with reparable illnesses or injuries...
January 11, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28077416/platelet-secretion-is-crucial-to-prevent-bleeding-in-the-ischemic-brain-but-not-in-the-inflamed-skin-or-lung-in-mice
#7
Carsten Deppermann, Peter Kraft, Julia Volz, Michael K Schuhmann, Sarah Beck, Karen Wolf, David Stegner, Guido Stoll, Bernhard Nieswandt
Platelets maintain hemostasis after injury, but also during inflammation. Recent studies have shown that platelets prevent inflammatory bleeding through (hem)ITAM-dependent mechanisms irrespective of aggregation during skin and lung inflammation. While the exact mechanisms underlying this process remain unknown, it was speculated that mediators released from platelet granules might be involved. Maintaining cerebral hemostasis during stroke treatment is of high clinical relevance as hemorrhage may aggravate the disease state and increase mortality...
January 11, 2017: Blood
https://www.readbyqxmd.com/read/28076012/imaging-of-creutzfeldt-jakob-disease-imaging-patterns-and-their-differential-diagnosis
#8
Diego Cardoso Fragoso, Augusto Lio da Mota Gonçalves Filho, Felipe Torres Pacheco, Bernardo Rodi Barros, Ingrid Aguiar Littig, Renato Hoffmann Nunes, Antônio Carlos Martins Maia Júnior, Antonio J da Rocha
Diagnosis of sporadic Creutzfeldt-Jakob disease (sCJD) remains a challenge because of the large variability of the clinical scenario, especially in its early stages, which may mimic several reversible or treatable disorders. The molecular basis of prion disease, as well as its brain propagation and the pathogenesis of the illness, have become better understood in recent decades. Several reports have listed recognizable clinical features and paraclinical tests to supplement the replicable diagnostic criteria in vivo...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28075691/complexity-of-brain-signals-is-associated-with-outcome-in-preterm-infants
#9
Cristine Sortica da Costa, Michal M Placek, Marek Czosnyka, Brenno Cabella, Magdalena Kasprowicz, Topun Austin, Peter Smielewski
A characteristic feature of complex healthy biological systems is the ability to react and adapt to minute changes in the environment. This 'complexity' manifests itself in highly irregular patterns of various physiological measurements. Here, we apply Multiscale Entropy (MSE) analysis to assess the complexity of systemic and cerebral near-infrared spectroscopy (NIRS) signals in a cohort of 61 critically ill preterm infants born at median (range) gestational age of 26 (23-31) weeks, before 24 h of life. We further correlate the complexity of these parameters with brain injury and mortality...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28066542/characterization-of-tubular-liquid-crystal-structure-in-embryonic-stem-cell-derived-embryoid-bodies
#10
MengMeng Xu, Odell D Jones, Liyang Wang, Xin Zhou, Harry G Davis, Joseph L Bryant, Jianjie Ma, Willian B Isaacs, Xuehong Xu
BACKGROUND: Massive liquid crystal droplets have been found during embryonic development in more than twenty different tissues and organs, including the liver, brain and kidney. Liquid crystal deposits have also been identified in multiple human pathologies, including vascular disease, liver dysfunction, age-related macular degeneration, and other chronic illnesses. Despite the involvement of liquid crystals in such a large number of human processes, this phenomenon is poorly understood and there are no in vitro systems to further examine the function of liquid crystals in biology...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28065827/gastric-bypass-surgery-recruits-a-gut-ppar-%C3%AE-striatal-d1r-pathway-to-reduce-fat-appetite-in-obese-rats
#11
Mohammed K Hankir, Florian Seyfried, Constantin A Hintschich, Thi-Ai Diep, Karen Kleberg, Mathias Kranz, Winnie Deuther-Conrad, Luis A Tellez, Michael Rullmann, Marianne Patt, Jens Teichert, Swen Hesse, Osama Sabri, Peter Brust, Harald S Hansen, Ivan E de Araujo, Ute Krügel, Wiebke K Fenske
Bariatric surgery remains the single most effective long-term treatment modality for morbid obesity, achieved mainly by lowering caloric intake through as yet ill-defined mechanisms. Here we show in rats that Roux-en-Y gastric bypass (RYGB)-like rerouting of ingested fat mobilizes lower small intestine production of the fat-satiety molecule oleoylethanolamide (OEA). This was associated with vagus nerve-driven increases in dorsal striatal dopamine release. We also demonstrate that RYGB upregulates striatal dopamine 1 receptor (D1R) expression specifically under high-fat diet feeding conditions...
January 2, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28064175/neuroimaging-of-inflammation-in-memory-and-related-other-disorders-nimrod-study-protocol-a-deep-phenotyping-cohort-study-of-the-role-of-brain-inflammation-in-dementia-depression-and-other-neurological-illnesses
#12
W Richard Bevan-Jones, Ajenthan Surendranathan, Luca Passamonti, Patricia Vázquez Rodríguez, Robert Arnold, Elijah Mak, Li Su, Jonathan P Coles, Tim D Fryer, Young T Hong, Guy Williams, Franklin Aigbirhio, James B Rowe, John T O'Brien
INTRODUCTION: Inflammation of the central nervous system is increasingly regarded as having a role in cognitive disorders such as dementia and depression, but it is not clear how such inflammation relates to other aspects of neuropathology, structural and functional changes in the brain and symptoms (as assessed via clinical and neuropsychological assessment and MRI). This study will explore these pathophysiological mechanisms using positron emission tomography (PET) which allows in vivo imaging of inflammation, amyloid and τ deposition, together with neuropsychological profiling, MRI and peripheral biomarker analysis...
January 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28062908/role-of-altered-cerebello-thalamo-cortical-network-in-the-neurobiology-of-essential-tremor
#13
Abhishek Lenka, Ketaki Swapnil Bhalsing, Rajanikant Panda, Ketan Jhunjhunwala, Rajini M Naduthota, Jitender Saini, Rose Dawn Bharath, Ravi Yadav, Pramod Kumar Pal
INTRODUCTION: Essential tremor (ET) is the most common movement disorder among adults. Although ET has been recognized as a mono-symptomatic benign illness, reports of non-motor symptoms and non-tremor motor symptoms have increased its clinical heterogeneity. The neural correlates of ET are not clearly understood. The aim of this study was to understand the neurobiology of ET using resting state fMRI. METHODS: Resting state functional MR images of 30 patients with ET and 30 age- and gender-matched healthy controls were obtained...
January 6, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28062320/melanised-fungal-infections-in-kidney-transplant-recipients-contributions-to-optimize-the-clinical-management
#14
Daniel Wagner de Castro Lima Santos, Luis Fernando Aranha Camargo, Sarah Santos Gonçalves, Marília Marufuji Ogawa, Jane Tomimori, Milvia Maria Simões E Silva Enokihara, José Osmar Medina Pestana, Arnaldo Lopes Colombo
OBJECTIVES: This is a retrospective and observational study addressing clinical and therapeutic aspects of melanised fungal infections in kidney transplant recipients. METHODS: We retrospectively reviewed medical records of all patients admitted between January 1996 and December 2013 in a single institution who developed infections by melanised fungi. RESULTS: We reported 56 patients aging between 30 and 74 years with phaeohyphomycosis or chromoblastomycosis (0...
January 3, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28061873/prophylactic-melatonin-for-delirium-in-intensive-care-pro-medic-study-protocol-for-a-randomised-controlled-trial
#15
F Eduardo Martinez, Matthew Anstey, Andrew Ford, Brigit Roberts, Miranda Hardie, Robert Palmer, Lynn Choo, David Hillman, Michael Hensley, Erin Kelty, Kevin Murray, Bhajan Singh, Bradley Wibrow
BACKGROUND: Delirium is an acute state of brain dysfunction characterised by fluctuating inattention and cognitive disturbances, usually due to illness. It occurs commonly in the intensive care unit (ICU), and it is associated with greater morbidity and mortality. It is likely that disturbances of sleep and of the day-night cycle play a significant role. Melatonin is a naturally occurring, safe and cheap hormone that can be administered to improve sleep. The main aim of this trial will be to determine whether prophylactic melatonin administered to critically ill adults, when compared with placebo, decreases the rate of delirium...
January 6, 2017: Trials
https://www.readbyqxmd.com/read/28057167/moderate-dose-regular-lifelong-alcohol-intake-changes-the-intestinal-flora-protects-against-aging-and-keeps-spatial-memory-in-the-senescence-accelerated-mouse-prone-8-samp8-model
#16
Chikako Shimizu, Yasuhiro Oki, Yutaka Mitani, Youichi Tsuchiya, Toshitaka Nabeshima
PURPOSE: Heavy and long-term alcohol consumption increase the risk of alcohol-related diseases. Epidemiological studies show moderate drinking reduces the risk of mortality, cardiovascular diseases, and brain infarction in the J-shaped or U-shaped curve effect. However, why moderate drinkers may be healthy and non-drinkers may be ill in diverse populations remains controversial. Herein, we examined the relationship between moderate/lifelong alcohol intake and aging, especially aging-related cognitive functions in senescence-accelerated mouse prone 8 (SAMP8) model...
October 2016: Journal of Pharmacy & Pharmaceutical Sciences: a Publication of the Canadian Society for Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28057146/-molecular-epidemiology-of-japanese-encephalitis-viruses-isolated-in-yunnan-province-1977-2010
#17
Y Feng, H L Zhang, W H Yang, Y Z Zhang, L J Huang, S Z Deng, Y J Sun, D J Yang, J H Zhou
Objective: To understand the genetic and molecular epidemiologic characteristics of 63 strains of Japanese encephalitis virus (JEV) isolated in Yunnan province, China during 1977-2010. Methods: Suckling mice were inoculated with viruses continuously and the viral nucleic acid were extracted from the brain-grinding supernatants of the infected and moribund mice, then the gene fragments of E region were amplified by RT-PCR. Bioinformatics (Clustal X, DNAstar, Mega 5.0 and other software) was used to analyze the nucleotide and deduced amino acid sequences and phylogenetic trees...
November 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28056999/aboriginal-and-non-aboriginal-australian-former-prisoners-patterns-of-morbidity-and-risk-of-hospitalisation
#18
Jane E Lloyd, Elizabeth McEntyre, Eileen Baldry, Julian Trofimovos, Devon Indig, Penelope Abbott, Jennifer Reath, Kathy Malera-Bandjalan, Mark F Harris
BACKGROUND: People who have been in custody are more likely to experience multiple, long standing health issues. They are at high risk of illness and injury post release and experience poor access to health services both of which contribute to high rates of recidivism. The study was conducted to examine Aboriginal and non-Aboriginal former prisoners' risk of hospitalisation and rehospitalisation in the five years post release from custody and identified the common reasons for hospitalisations...
January 5, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28055959/preoperative-low-tri-iodothyronine-concentration-is-associated-with-worse-health-status-and-shorter-five-year-survival-of-primary-brain-tumor-patients
#19
Adomas Bunevicius, Vytenis Pranas Deltuva, Sarunas Tamasauskas, Timothy Smith, Edward R Laws, Robertas Bunevicius, Giorgio Iervasi, Arimantas Tamasauskas
BACKGROUND: Low tri-iodothyronine syndrome is associated with worse prognosis of severely ill patients. We investigated the association of thyroid hormone levels with discharge outcomes and 5-year mortality in primary brain tumor patients. METHODS: From January, 2010 until September, 2011, 230 patients (70% women) before brain tumor surgery were evaluated for cognitive (Mini mental State Examination; MMSE) and functional (Barthel index; BI) status, and thyroid function profile...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28051359/electron-microscopy-of-alkhumra-hemorrhagic-fever-virus
#20
Tariq A Madani, El-Tayb M E Abuelzein, Sawsan M Jalalah, Huda Abu-Araki, Esam I Azhar, Ahmed M Hassan, Hussein M S Al-Bar
Alkhumra hemorrhagic fever virus (AHFV) is a newly described zoonotic flavivirus that was first isolated during 1994-1995 from the Alkhumra district south of Jeddah, Saudi Arabia. Subsequently, the virus was also isolated from Makkah city (2001-2003) and Najran (2008-2009), Saudi Arabia. The virus causes acute febrile illness with hepatitis, hemorrhagic manifestations, and encephalitis. A case fatality rate of 25% was reported among hospitalized patients. Although several biological and molecular characteristics of the virus have been published, no data are available on electron microscopic features of the virus...
January 4, 2017: Vector Borne and Zoonotic Diseases
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