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Global neurology

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https://www.readbyqxmd.com/read/28727882/corneal-confocal-microscopy-an-imaging-endpoint-for-axonal-degeneration-in-multiple-sclerosis
#1
Ioannis N Petropoulos, Saadat Kamran, Yi Li, Adnan Khan, Georgios Ponirakis, Naveed Akhtar, Dirk Deleu, Ashfaq Shuaib, Rayaz A Malik
Purpose: To evaluate whether corneal confocal microscopy (CCM) detects axonal degeneration and whether this is associated with retinal nerve fiber degeneration and clinical disability in patients with multiple sclerosis (MS). Methods: Twenty-five patients with MS and 25 healthy control subjects underwent CCM, optical coherence tomography (OCT), and assessment of neurological disability using the expanded disability status scale (EDSS) and MS severity score (MSSS)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28716963/chemokine-ccl2-ccr2-signaling-induces-neuronal-cell-death-via-stat3-activation-and-il-1%C3%AE-production-after-status-epilepticus
#2
Dai-Shi Tian, Jiyun Peng, Madhuvika Murugan, Lijie Feng, Jun-Li Liu, Ukpong B Eyo, Li-Jun Zhou, Rochelle Mogilevsky, Wei Wang, Long-Jun Wu
Elevated levels of chemokine C-C motif ligand 2 (CCL2) and its receptor CCR2 have been reported in patients with temporal lobe epilepsy and in experimental seizures. However, the functional significance and molecular mechanism underlying CCL2-CCR2 signaling in epileptic brain remains largely unknown. In this study, we found that the upregulated CCL2 was mainly expressed in hippocampal neurons and activated microglia from mice 1d after kainic acid (KA)-induced seizures. Taking advantage of CX3CR1(GFP/+):CCR2(RFP/+) double transgenic mice, we demonstrated that CCL2-CCR2 signaling participated in resident microglial activation and blood-derived monocyte infiltration...
July 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28716272/the-need-for-a-global-neurology-alliance
#3
William M Carroll
BACKGROUND: With increasing rapidity of advances in neuroscience and widening gaps in the accessibility to quality neurological care the risks of unpreparedness are growing. METHOD: To summarise the potential risks to the equal provision of neurological care and the resources available to improve the ability to plan and respond to the unexpected. RESULTS: To describe three examples of cooperative effort involving the World Federation of Neurology acting in concert with other neurological organisations...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28713528/the-double-transforaminal-lumbar-interbody-fusion-an-innovative-one-stage-surgical-technique-for-posterior-kyphosis-correction
#4
Marcus Jäger, Tjark Tassemeier
Posttraumatic deformities after vertebral fractures are challenging for orthopedic surgeons in the non-operative and operative field. Especially osteoporotic fractures may cause a hyperkyphosis resulting in segmental or global sagittal imbalance and chronic back pain. Different vertebral osteotomies are potent to restore sagittal profile but show a very high perioperative risk including neurological and soft tissue complications. In addition, some of these extensive operations require a two-step procedure including posterior and anterior approaches...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28711656/upregulation-of-cdh1-signaling-in-the-hippocampus-attenuates-brain-damage-after-transient-global-cerebral-ischemia-in-rats
#5
Bo Zhang, Kai Wei, Xuan Li, Rong Hu, Jin Qiu, Yue Zhang, Wenlong Yao, Chuanhan Zhang, Chang Zhu
Cerebral ischemia is a major cause of brain dysfunction. The E3 ubiquitin ligase anaphase-promoting complex and its coactivator Cdh1 have been reported to be involved in the regulation of neuronal survival, differentiation, axonal growth and synaptic development in the central nervous system. However, its role in the ischemic brain and the underlying mechanisms remain poorly understood. The present study aimed to investigate the effects of Cdh1 overexpression on the ischemic rat brain by direct intra-hippocampal injection of lentivirus-delivered Cdh1 before transient global cerebral ischemia reperfusion...
July 12, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28710796/plant-produced-zika-virus-envelope-protein-elicits-neutralizing-immune-responses-that-correlate-with-protective-immunity-against-zika-virus-in-mice
#6
Ming Yang, Haiyan Sun, Huafang Lai, Jonathan Hurtado, Qiang Chen
The global Zika virus (ZIKV) outbreak and its link to fetal and newborn microcephaly and severe neurological complications in adults call for the urgent development of ZIKV vaccines. In response, we developed a subunit vaccine based on the ZIKV envelope (E) protein and investigated its immunogenicity in mice. Transient expression of ZIKV E (zE) resulted in its rapid accumulation in leaves of Nicotiana benthamiana plants. Biochemical analysis revealed that plant-produced ZIKV E (PzE) exhibited specific binding to a panel of monoclonal antibodies that recognize various zE conformational epitopes...
July 15, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28710740/mapping-promis-global-health-items-to-euroqol-eq-5d-utility-scores-using-linear-and-equipercentile-equating
#7
Nicolas R Thompson, Brittany R Lapin, Irene L Katzan
BACKGROUND: Mapping Patient-Reported Outcomes Measurement Information System-Global Health (PROMIS-GH) to EuroQol 5-dimension, three-level version (EQ-5D-3L) provides a utility score for use in quality-of-life and cost-effectiveness analyses. In 2009, Revicki et al. mapped the PROMIS-GH items to EQ-5D-3L utilities using linear regression (REVReg). More recently, regression was shown to be ill-suited for mapping to preference-based measures due to regression to the mean. Linear and equipercentile equating are alternative mapping methods that avoid the issue of regression to the mean...
July 14, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28710548/retrospective-evaluation-and-seeg-trajectory-analysis-for-interactive-multi-trajectory-planner-assistant
#8
Davide Scorza, Elena De Momi, Lisa Plaino, Gaetano Amoroso, Gabriele Arnulfo, Massimo Narizzano, Luis Kabongo, Francesco Cardinale
PURPOSE: Focal epilepsy is a neurological disease that can be surgically treated by removing area of the brain generating the seizures. The stereotactic electroencephalography (SEEG) procedure allows patient brain activity to be recorded in order to localize the onset of seizures through the placement of intracranial electrodes. The planning phase can be cumbersome and very time consuming, and no quantitative information is provided to neurosurgeons regarding the safety and efficacy of their trajectories...
July 14, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28707609/the-role-of-diet-and-nutrition-on-mental-health-and-wellbeing
#9
Lauren Owen, Bernard Corfe
Mental, neurological and substance-use disorders presently represent the greatest global burden of disease. Likewise, depression and other psychopathologies are elevated risk comorbidities of other health hazards, such as obesity. Nutrition has been implicated in behaviour, mood and in the pathology and treatment of mental illness. In this brief editorial, we aim to set the scale of the problem in context and overview advances and recent evidence linking nutrition to psychological outcomes. The purpose of the 2016 Nutrition Society Winter Meeting, 'Diet, nutrition and mental health and wellbeing' was to review where the evidence is strong, where there are unmet needs for research and to draw together the communities working in this area to share their findings...
July 14, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28704716/transcriptional-consequences-of-xpa-disruption-in-human-cell-lines
#10
Mandira Manandhar, Megan G Lowery, Karen S Boulware, Kevin H Lin, Yue Lu, Richard D Wood
Nucleotide excision repair (NER) in mammalian cells requires the xeroderma pigmentosum group A protein (XPA) as a core factor. Remarkably, XPA and other NER proteins have been detected by chromatin immunoprecipitation at some active promoters, and NER deficiency is reported to influence the activated transcription of selected genes. However, the global influence of XPA on transcription in human cells has not been determined. We analyzed the human transcriptome by RNA sequencing (RNA-Seq). We first confirmed that XPA is confined to the cell nucleus even in the absence of external DNA damage, in contrast to previous reports that XPA is normally resident in the cytoplasm and is imported following DNA damage...
June 29, 2017: DNA Repair
https://www.readbyqxmd.com/read/28700057/neurological-manifestations-of-dengue-in-central-brazil
#11
Marianna Peres Tassara, Adriana Oliveira Guilarde, Benigno Alberto Moraes da Rocha, Valéria Christina de Rezende Féres, Celina Maria Turchi Martelli
INTRODUCTION: The incidence of dengue has increased throughout the 2000s with a consequent global increase in atypical clinical forms. METHODS: This study reports a series of cases of neurological dengue out of 498 confirmed cases of laboratory dengue in Goiânia, Brazil. Cases were confirmed based on viral RNA detection via polymerase chain reaction or IgM antibody capture. RESULTS: Neurological symptoms occurred in 5.6% of cases, including paresthesia (3...
May 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28697873/toxoplasma-gondii-seroprevalence-and-association-with-equine-protozoal-myeloencephalitis-a-case-control-study-of-californian-horses
#12
K E James, W A Smith, A E Packham, P A Conrad, N Pusterla
While toxoplasmosis is not commonly considered a clinical disease of equines, previous seroprevalence studies have reported differing background rates of Toxoplasma gondii infection in horses globally. The objective of this study was to evaluate possible associations between T. gondii seroprevalence and clinical signs of equine protozoal myeloencephalitis (EPM) in horses. Using a case-control study design, 720 Californian horses with neurologic signs compatible with EPM were compared to healthy, non-neurologic horses for the presence of T...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28695492/patterns-of-acute-poisoning-with-pesticides-in-the-paediatric-age-group
#13
Kavinda Chandimal Dayasiri, Shaluka F Jayamanne, Chamilka Y Jayasinghe
BACKGROUND: Pesticides are identified as one of the dangerous poisons globally in children and are associated with increased short- and long-term morbidity. Pesticide poisoning is the most common method of self-poisoning among adults in rural Sri Lanka, and the clinical management is associated with significant healthcare costs to the country. There is however little data published on acute pesticide poisoning among children in rural Sri Lanka. The current study aimed to comprehensively evaluate clinical profiles, harmful first aid measures, emergency clinical management, complications and outcomes related to acute pesticide poisoning among children in the rural community of Sri Lanka...
December 2017: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28694038/e-learning-in-neurology-education-principles-opportunities-and-challenges-in-combating-neurophobia
#14
REVIEW
Suresh Kumar Chhetri
Neurophobia, the fear of clinical neurology, affects not only medical students but also non-career neurologists globally. This can have significant implications on patient care, especially given the increasing burden of chronic neurological disorders. The negative perception and lack of confidence amongst general practitioners and hospital physicians may lead to increased referrals to neurology, thereby increasing waiting times and inpatient stay. The onus, therefore, should be on improving training and stimulating interest in neurology...
July 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28691412/rehabilitation-in-multiple-sclerosis
#15
REVIEW
Anna Magdalena Kubsik, Paulina Klimkiewicz, Robert Klimkiewicz, Katarzyna Janczewska, Marta Woldańska-Okońska
The aim of the study is to present a strategy of rehabilitation in multiple sclerosis on the basis of the latest developments in the field of physiotherapy. The publications on the problem discuss a wide range of methods of physiotherapy that can be used in order to reduce the degree of disability and alleviate the symptoms associated with the disease. The complexity of the disease, the difficulty in determining the appropriate treatment and a wide range of symptoms require a comprehensive approach to the patient which would include both pharmacology and neurorehabilitation...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28690765/novel-therapeutic-effects-of-leonurine-on-ischemic-stroke-new-mechanisms-of-bbb-integrity
#16
Qiu-Yan Zhang, Zhi-Jun Wang, De-Miao Sun, Ying Wang, Peng Xu, Wei-Jun Wu, Xin-Hua Liu, Yi-Zhun Zhu
Stroke is a leading cause of morbidity and mortality globally. Leonurine (also named SCM-198), a compound extracted from Herba leonuri, was effective on the prevention of various cardiovascular and brain diseases. The purpose of this study was to explore the possible therapeutic potential of SCM-198 against ischemia reperfusion injury and underlying mechanisms. In the in vivo transient middle cerebral artery occlusion (tMCAO) rat model, we found that treatment with SCM-198 could decrease infarct volume and improve neurological deficit by protecting against blood-brain barrier (BBB) breakdown...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28687974/syne1-related-cerebellar-ataxia-presents-with-variable-phenotypes-in-a-consanguineous-family-from-turkey
#17
E Yucesan, Sibel A Ugur Iseri, B Bilgic, Z Gormez, B Bakir Gungor, A Sarac, O Ozdemir, M Sagiroglu, H Gurvit, H Hanagasi, U Ozbek
SYNE1 related autosomal recessive cerebellar ataxia type 1 (ARCA1) is a late-onset cerebellar ataxia with slow progression originally demonstrated in French-Canadian populations of Quebec, Canada. Nevertheless, recent studies on SYNE1 ataxia have conveyed the condition from a geographically limited pure cerebellar recessive ataxia to a complex multisystem phenotype that is relatively common on the global scale. To determine the underlying genetic cause of the ataxia phenotype in a consanguineous family from Turkey presenting with very slow progressive cerebellar symptoms including dysarthria, dysmetria, and gait ataxia, we performed SNP-based linkage analysis in the family along with whole exome sequencing (WES) in two affected siblings...
July 7, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28681575/an-update-on-zika-virus-in-asia
#18
REVIEW
Sl Ki Lim, Jacqueline Kyungah Lim, In Kyu Yoon
Zika virus (ZIKV) was first isolated in Asia from mosquitoes from Malaysia in 1966. However, the incidence of Zika and Zika-related neurological complications in Asia is not well known. The few studies of Zika in Asia have been inconsistent in pointing to likely transmission levels, with some studies suggesting substantial transmission and others not. Interpretation of existing epidemiological and public health data from Asia is constrained by the non-specific symptomatology of Zika, the high proportion of subclinical ZIKV infections, relatively low viremia, and the lack of accurate serological assays...
June 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28678429/global-brain-metabolic-quantification-with-whole-head-proton-mrs-at-3%C3%A2-t
#19
Ivan I Kirov, William E Wu, Brian J Soher, Matthew S Davitz, Jeffrey H Huang, James S Babb, Mariana Lazar, Girish Fatterpekar, Oded Gonen
Total N-acetyl-aspartate + N-acetyl-aspartate-glutamate (NAA), total creatine (Cr) and total choline (Cho) proton MRS ((1) H-MRS) signals are often used as surrogate markers in diffuse neurological pathologies, but spatial coverage of this methodology is limited to 1%-65% of the brain. Here we wish to demonstrate that non-localized, whole-head (WH) (1) H-MRS captures just the brain's contribution to the Cho and Cr signals, ignoring all other compartments. Towards this end, 27 young healthy adults (18 men, 9 women), 29...
July 5, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28678119/risk-factors-for-and-clinical-outcomes-of-dysphagia-after-anterior-cervical-surgery-for-degenerative-cervical-myelopathy-results-from-the-aospine-international-and-north-america-studies
#20
Narihito Nagoshi, Lindsay Tetreault, Hiroaki Nakashima, Paul M Arnold, Giuseppe Barbagallo, Branko Kopjar, Michael G Fehlings
BACKGROUND: Although dysphagia is a common complication after anterior cervical decompression and fusion, important risk factors have not been rigorously evaluated. Furthermore, the impact of dysphagia on neurological and quality-of-life outcomes is not fully understood. The aim of this study was to determine the prevalence of and risk factors for dysphagia, and the impact of this complication on short and long-term clinical outcomes, in patients treated with anterior cervical decompression and fusion...
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
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