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https://www.readbyqxmd.com/read/29684933/-dysphagia-from-a-gastroenterologist-s-perspective
#1
Marcus Hollenbach, Jürgen Feisthammel, Joachim Mössner, Albrecht Hoffmeister
Swallowing disorders (dysphagia) comprise a common cause of medical consultation and are defined as a subjective sensation of difficulty or abnormality of swallowing. In the initial step, a clear differentiation of dysphagia from odynophagia and globus sensation for further diagnostic procedures is mandatory. The careful questioning of patients symptoms and complaints is often helpful for the differentiation of oropharyngeal and esophageal dysphagia. Oropharyngeal dysphagia is mainly caused by neurological disorders (cerebral ischemia, Parkinson's disease, dementia) or local compression of malignancies, thyroid gland or lymph nodes...
May 2018: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29684893/comparison-of-the-moca-and-bearni-tests-for-detection-of-cognitive-impairment-in-in-patients-with-alcohol-use-disorders
#2
Stéphanie Pelletier, Régis Alarcon, Valérie Ewert, Margot Forest, Bertrand Nalpas, Pascal Perney
INTRODUCTION: Screening of cognitive impairment is a major challenge in alcoholics seeking treatment, since cognitive dysfunction may impair the overall efficacy of rehabilitation programs and consequently increase relapse rate. We compared the performance of two screening tools: the MoCA (Montreal Cognitive Assessment), which is widely used in patients with neurological diseases and already used in patients with alcohol use disorder (AUD), and the BEARNI (Brief Evaluation of Alcohol-Related Neuropsychological Impairments), a recent test specifically developed for the alcoholic population...
April 10, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29684753/reviewing-the-evidence-for-viruses-as-environmental-risk-factors-for-als-a-new-perspective
#3
REVIEW
Daniel B Celeste, Matthew S Miller
Amyotrophic lateral sclerosis is a devastating neurodegenerative disease whose etiology remains poorly understood. Since the genetic basis of disease is known in only a small subset of cases, there has been substantial interest in determining whether environmental factors act as triggers of ALS. Viruses have received longstanding attention as potential ALS triggers. Yet, existing studies have not provided a compelling case for causation. This review summarizes the evidence supporting a link between viral infection and motor neuron disease, with a focus on ALS...
April 20, 2018: Cytokine
https://www.readbyqxmd.com/read/29684713/effects-of-depression-and-anxiety-on-quality-of-life-in-five-common-neurological-disorders
#4
Joey C Prisnie, Tolulope T Sajobi, Meng Wang, Scott B Patten, Kirsten M Fiest, Andrew G M Bulloch, Tamara Pringsheim, Samuel Wiebe, Nathalie Jette
BACKGROUND: It is unclear whether anxiety and depression impact health-related quality of life (HRQoL) equally across neurological diseases. This study examines the association between anxiety or depression and HRQoL in select neurological disorders. METHODS: HRQoL was measured using the Short Form Health Survey (SF-12) in neurological patients: epilepsy (n = 279), migraine (n = 268), multiple sclerosis (MS) (n = 222), stroke (n = 204), and Parkinson's disease (PD) (n = 224)...
April 4, 2018: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29684464/tracking-single-membrane-targets-of-human-autoantibodies-using-single-nanoparticle-imaging
#5
Julie Jézéquel, Julien P Dupuis, François Maingret, Laurent Groc
BACKGROUND: Over the past decade, an increasing number of neurological and neuropsychiatric diseases have been associated with the expression of autoantibodies directed against neuronal targets, including neurotransmitter receptors. Although cell-based assays are routinely used in clinics to detect the presence of immunoglobulins, such tests often provide heterogeneous outcomes due to their limited sensitivity, especially at low titers. Thus, there is an urging need for new methods allowing the detection of autoantibodies in seropositive patients that cannot always be clinically distinguished from seronegative ones...
April 20, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29684334/the-mkk7-inhibitor-peptide-gadd45%C3%AE-i-attenuates-er-stress-induced-mitochondrial-dysfunction-in-ht22-cells-involvement-of-jnk-wnt-pathway
#6
Guang-Hua Xu, Bing-Jun Song, Dan Liu, Yu-Hua Chen, Yuan Zhou, Wen-Bo Liu, Hua Li, Tian-Lin Long, Rui Zhang, Wei Liu
JNK, a member of the mitogen activated protein kinases (MAPKs) superfamily, plays a key role in cell death in many neurological disorders, but systemic inhibition of JNK has detrimental side effects. JNK can be regulated by two direct upstream kinases: MAPK kinase 4 (MKK4) and MAPK kinase 7 (MKK7). Here, we investigated the effect of GADD45β-I, a recently designed cell-permeable inhibitor peptide for MKK7, on endoplasmic reticulum (ER) stress-induced cytotoxicity in neuronal HT22 cells. We found that treatment with the ER stress inducer tunicamycin (TM) increased the phosphorylation of JNK and MKK7 in HT22 cells, which was nullified by GADD45β-I...
April 20, 2018: Brain Research
https://www.readbyqxmd.com/read/29684205/neurodegenerative-diseases-have-genetic-hallmarks-of-autoinflammatory-disease
#7
Robert I Richards, Sarah A Robertson, Daniel L Kastner
The notion that one common pathogenic pathway could account for the various clinically distinguishable, typically late-onset neurodegenerative diseases might appear unlikely given the plethora of diverse primary causes of neurodegeneration. On the contrary, an autoinflammatory pathogenic mechanism allows diverse genetic and environmental factors to converge into a common chain of causality. Inflammation has long been known to correlate with neurodegeneration. Until recently this relationship was seen as one of consequence rather than cause - with inflammatory cells and events acting to "clean up the mess" after neurological injury...
April 19, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29683785/association-study-of-cacna1c-polymorphisms-with-large-artery-atherosclerotic-stroke-in-chinese-han-population
#8
Chen Peng, Ying Ding, Xin Yi, Zhiqiang Dong, Limei Cao, Qiang Li, Haiyan Ren, Lin He, Daizhan Zhou, Xu Chen
Aims Ischemic stroke (IS) is one of the most common diseases of neurology and the main cause of death and disability in Chinese population. CACNA1C was considered to be involved in the process of atherosclerosis, but there was little information about the association between genotypic polymorphisms of CACNA1C and ischemic stroke. Our study was designed to elucidate the relationship between four single-nucleotide polymorphisms (SNPs) variants in CACNA1C gene and the risk of large-artery atherosclerotic (LAA) stroke patients...
April 23, 2018: Neurological Research
https://www.readbyqxmd.com/read/29682233/personality-factors-and-cognitive-functioning-in-elderly-with-parkinson-s-disease
#9
Neusa Maria de Oliveira Chardosim, Camila Rosa Oliveira, Manuela Polidoro Lima, Marianne Farina, Valéria Gonzatti, Dalton Breno Costa, Aline Sória Pereira, Luis Henrique Paloski, Tatiana Quarti Irigaray, Irani Iracema de Lima Argimon
Parkinson's disease (PD) is a chronic and progressive neurological disease, resulting from cell degeneration in the substantia nigra, responsible for the production of dopamine. Objective: This study aimed to characterize the cognitive functioning, personality factors and prevalence of depressive and anxiety symptoms in individuals with Parkinson's disease (PD). Furthermore, this study sought to analyze whether personality factors were predictors of cognitive functioning. Methods: The sample consisted of 30 elderly with PD...
January 2018: Dementia & Neuropsychologia
https://www.readbyqxmd.com/read/29682134/frontal-sinusitis-complicated-by-a-brain-abscess-and-subdural-empyema
#10
Matthew T Niehaus, Kyli N Krape, Shawn M Quinn, Bryan G Kane
A 49-year-old male was brought to the Emergency Department after being found unresponsive. The patient had multiple seizures and was intubated in the prehospital setting. A computed tomography scan showed bilateral paranasal sinus disease, and magnetic resonance imaging showed a right frontal abscess and subdural empyema. Neurosurgery took the patient to the operating room, performed a craniotomy, and drained a large amount of purulent fluid. He was subsequently discharged for acute rehabilitation. Clinicians should consider complicated frontal sinusitis, especially in the undifferentiated patient presenting with neurologic deficits and signs or symptoms of sinus disease...
April 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29682024/adjuvant-radiation-therapy-and-temozolomide-in-gliosarcoma-is-it-enough-case-series-of-seven-patients
#11
Himanshu Srivastava, Abhinav Dewan, Surender Kumar Sharma, Preety Negi, Ajay Kumar Dewan, Sunil Pasricha, Krati Mehrotra
Objective: We present our experience of gliosarcoma (GSM) in oncology tertiary care center over the last 5 years. Materials and Methods: We carried out a retrospective analysis of seven patients with GSM diagnosed between April 2008 and December 2012. Demographic data, clinicopathological data, treatment strategies employed, details of recurrence, and survival patterns were reviewed. Results: The median age at diagnosis was 54 years, ranging between 34 and 63 years with a female predominance (57...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29681886/importance-of-collateralization-in-patients-with-large-artery-intracranial-occlusive-disease-long-term-longitudinal-assessment-of-cerebral-hemodynamic-function
#12
Larissa McKetton, Lakshmikumar Venkatraghavan, Julien Poublanc, Olivia Sobczyk, Adrian P Crawley, Casey Rosen, Frank L Silver, James Duffin, Joseph A Fisher, David J Mikulis
Patients with large artery intracranial occlusive disease (LAICOD) are at risk for both acute ischemia and chronic hypoperfusion. Collateral circulation plays an important role in prognosis, and imaging plays an essential role in diagnosis, treatment planning, and prognosis of patients with LAICOD. In addition to standard structural imaging, assessment of cerebral hemodynamic function is important to determine the adequacy of collateral supply. Among the currently available methods of assessment of cerebral hemodynamic function, measurement of cerebrovascular reactivity (CVR) using blood oxygen level-dependent (BOLD) MRI and precisely controlled CO2 has shown to be a safe, reliable, reproducible, and clinically useful method for long-term assessment of patients...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29681809/tactile-star-a-novel-tactile-stimulator-and-recorder-system-for-evaluating-and-improving-tactile-perception
#13
Giulia Ballardini, Giorgio Carlini, Psiche Giannoni, Robert A Scheidt, Ilana Nisky, Maura Casadio
Many neurological diseases impair the motor and somatosensory systems. While several different technologies are used in clinical practice to assess and improve motor functions, somatosensation is evaluated subjectively with qualitative clinical scales. Treatment of somatosensory deficits has received limited attention. To bridge the gap between the assessment and training of motor vs. somatosensory abilities, we designed, developed, and tested a novel, low-cost, two-component (bimanual) mechatronic system targeting tactile somatosensation: the Tactile-STAR -a tactile stimulator and recorder...
2018: Frontiers in Neurorobotics
https://www.readbyqxmd.com/read/29681801/anatomy-based-networks-and-topology-alteration-in-seizure-related-cognitive-outcomes
#14
REVIEW
Qian Wu, Charlie W Zhao, Zhe Long, Bo Xiao, Li Feng
Epilepsy is a paroxysmal neurological disorder characterized by recurrent and unprovoked seizures affecting approximately 50 million people worldwide. Cognitive dysfunction induced by seizures is a severe comorbidity of epilepsy and epilepsy syndromes and reduces patients' quality of life. Seizures, along with accompanying histopathological and pathophysiological changes, are associated with cognitive comorbidities. Advances in imaging technology and computing allow anatomical and topological changes in neural networks to be visualized...
2018: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29681796/surface-expression-function-and-pharmacology-of-disease-associated-mutations-in-the-membrane-domain-of-the-human-glun2b-subunit
#15
Vojtech Vyklicky, Barbora Krausova, Jiri Cerny, Marek Ladislav, Tereza Smejkalova, Bohdan Kysilov, Miloslav Korinek, Sarka Danacikova, Martin Horak, Hana Chodounska, Eva Kudova, Ladislav Vyklicky
N-methyl-D-aspartate receptors (NMDARs), glutamate-gated ion channels, mediate signaling at the majority of excitatory synapses in the nervous system. Recent sequencing data for neurological and psychiatric patients have indicated numerous mutations in genes encoding for NMDAR subunits. Here, we present surface expression, functional, and pharmacological analysis of 11 de novo missense mutations of the human hGluN2B subunit (P553L; V558I; W607C; N615I; V618G; S628F; E657G; G820E; G820A; M824R; L825V) located in the pre-M1, M1, M2, M3, and M4 membrane regions...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29681724/predicting-alzheimer-s-disease-cognitive-assessment-via-robust-low-rank-structured-sparse-model
#16
Jie Xu, Cheng Deng, Xinbo Gao, Dinggang Shen, Heng Huang
Alzheimer's disease (AD) is a neurodegenerative disorder with slow onset, which could result in the deterioration of the duration of persistent neurological dysfunction. How to identify the informative longitudinal phenotypic neuroimaging markers and predict cognitive measures are crucial to recognize AD at early stage. Many existing models related imaging measures to cognitive status using regression models, but they did not take full consideration of the interaction between cognitive scores. In this paper, we propose a robust low-rank structured sparse regression method (RLSR) to address this issue...
August 2017: IJCAI: Proceedings of the Conference
https://www.readbyqxmd.com/read/29681619/a-decision-tree-for-the-genetic-diagnosis-of-deficiency-of-adenosine-deaminase-2-dada2-a-french-reference-centres-experience
#17
Mélanie Rama, Claire Duflos, Isabelle Melki, Didier Bessis, Axelle Bonhomme, Hélène Martin, Diane Doummar, Stéphanie Valence, Diana Rodriguez, Emilie Carme, David Genevieve, Ketil Heimdal, Antonella Insalaco, Nathalie Franck, Viviane Queyrel-Moranne, Nathalie Tieulie, Jonathan London, Florence Uettwiller, Sophie Georgin-Lavialle, Alexandre Belot, Isabelle Koné-Paut, Véronique Hentgen, Guilaine Boursier, Isabelle Touitou, Guillaume Sarrabay
Deficiency of adenosine deaminase 2 (DADA2) is a recently described autoinflammatory disorder. Genetic analysis is required to confirm the diagnosis. We aimed to describe the identifying symptoms and genotypes of patients referred to our reference centres and to improve the indications for genetic testing. DNA from 66 patients with clinically suspected DADA2 were sequenced by Sanger or next-generation sequencing. Detailed epidemiological, clinical and biological features were collected by use of a questionnaire and were compared between patients with and without genetic confirmation of DADA2...
April 23, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29681401/capacity-control-and-responsibility-in-parkinson-s-disease-patients-with-impulse-control-disorders-views-of-neurological-and-psychiatric-experts
#18
Andrew Dawson, Jordie Michael, Ella Dilkes-Frayne, Wayne Hall, Nadeeka N Dissanayaka, Adrian Carter
Dopamine replacement therapy can induce impulse control disorders (ICDs) (e.g., hypersexuality) in susceptible Parkinson's disease patients. ICDs can sometimes result in criminal offending. In a number of past Commonwealth cases, it appears offending ICD patients have been considered to be suffering from 'irresistible impulses' such that their decision-making capacity, behavioural control and responsibility were totally compromised. This contrasts with courts' general scepticism of drug-induced 'compulsion' in cases of addiction-related offending...
April 19, 2018: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/29680454/effect-of-echo-time-and-t-2-weighting-on-grase-based-t-1-w-t-2-w-ratio-measurements-at-3t
#19
Md Nasir Uddin, Teresa D Figley, Chase R Figley
Tissue contrast can be enhanced by dividing T1 -weighted (T1 w) images by T2 -weighted (T2 w) images to map the so-called T1 w/T2 w ratio, which has become an increasingly popular technique for quantifying brain tissue changes associated with neurodevelopment, aging, and a variety of neurodegenerative diseases. However, although it is self-evident that T1 w/T2 w ratios increase with the amount of T2 -weighting in the T2 w image - which is determined by the echo time (TE), all else being equal - longer TEs also reduce the signal-to-noise ratio (SNR) of the T2 w images, and it is not clear how these SNR characteristics affect the reliability of T1 w/T2 w measurements...
April 19, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29680236/chimeric-small-antibody-fragments-as-strategy-to-deliver-therapeutic-payloads
#20
Sandra Aguiar, Joana Dias, Ana M Manuel, Roberto Russo, Pedro M P Gois, Frederico A da Silva, Joao Goncalves
Antibody-drug conjugates (ADCs) represent an innovative class of biopharmaceuticals, which aim at achieving a site-specific delivery of cytotoxic agents to the target cell. The use of ADCs represents a promising strategy to overcome the disadvantages of conventional pharmacotherapy of cancer or neurological diseases, based on cytotoxic or immunomodulatory agents. ADCs consist of monoclonal antibodies attached to biologically active drugs by means of cleavable chemical linkers. Advances in technologies for the coupling of antibodies to cytotoxic drugs promise to deliver greater control of drug pharmacokinetic properties and to significantly improve pharmacodelivery applications, minimizing exposure of healthy tissue...
2018: Advances in Protein Chemistry and Structural Biology
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