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Functional neurology

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https://www.readbyqxmd.com/read/29454227/a-pilot-trial-of-l-carnitine-in-patients-with-traumatic-brain-injury-effects-on-biomarkers-of-injury
#1
Ata Mahmoodpoor, Ghaffar Shokouhi, Hadi Hamishehkar, Hassan Soleimanpour, Sarvin Sanaie, Jahan Porhomayon, Fatemeh Rasouli, Nader D Nader
OBJECTIVE: To investigate the effects of l-Carnitine on neuron specific enolase (NSE) as a marker of inflammation in patients with traumatic brain injury (TBI). METHODS: Forty patients with severe TBI were randomized into 2 groups. The (LCA-) group received standard treatment with placebo while the (LCA+) group received l-Carnitine 2g/day for one week. NSE was measured on days 1, 3 and 7 after the initiation of the study. Neurocognitive and neurobehavioral disorders were recorded on the first and third months...
February 9, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29454023/interaction-between-hypothermia-and-delayed-mesenchymal-stem-cell-therapy-in-neonatal-hypoxic-ischemic-brain-injury
#2
Josephine Herz, Christian Köster, Barbara S Reinboth, Mark Dzietko, Wiebke Hansen, Hemmen Sabir, Cindy van Velthoven, Ivo Bendix, Ursula Felderhoff-Müser
Acute hypothermia treatment (HT) is the only clinically established intervention following neonatal hypoxic-ischemic brain injury. However, almost half of all cooled infants still die or suffer from long-lasting neurological impairments. Regenerative therapies, such as mesenchymal stem cells (MSC) appear promising as adjuvant therapy. In the present study, we hypothesized that HT combined with delayed MSC therapy results in augmented protection, improving long-term neurological outcome. Postnatal day 9 (P9) C57BL/6 mice were exposed to hypoxia-ischemia followed by 4 hours HT...
February 14, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29453832/living-donor-liver-transplantation-for-mild-zellweger-spectrum-disorder-up-to-17-years-follow-up
#3
Tanguy Demaret, Sharat Varma, Xavier Stephenne, Françoise Smets, Isabelle Scheers, Ronald Wanders, Lionel Van Maldergem, Raymond Reding, Etienne Sokal
Mild Zellweger spectrum disorder, also described as Infantile Refsum disease, is attributable to mutations in PEX genes. Its clinical course is characterized by progressive hearing and vision loss, and neurodevelopmental regression. Supportive management is currently considered the standard of care, as no treatment has shown clinical benefits. LT was shown to correct levels of circulating toxic metabolites, partly responsible for chronic neurological impairment. Of three patients having undergone LT for mild ZSD, one died after LT, while the other two displayed significant neurodevelopmental improvement on both the long-term (17 years post-LT) and short-term (9 months post-LT) follow-up...
February 16, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29453111/febrile-infection-related-epilepsy-syndrome-fires-therapeutic-complications-long-term-neurological-and-neuroimaging-follow-up
#4
Hsiu-Fen Lee, Ching-Shiang Chi
PURPOSE: To understand the long-term neurological outcomes and chronological changes of brain MRIs in patients with febrile infection-related epilepsy syndrome (FIRES). METHODS: From December 2000 to May 2016, 29 patients diagnosed with FIRES were collected retrospectively. The demographic distribution, clinical manifestations, neuroimaging findings, and treatment methodology were described. Follow-up clinical outcomes and chronological evolution of neuroimaging findings were analyzed...
February 6, 2018: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29452315/technical-aspects-of-awake-craniotomy-with-mapping-for-brain-tumors-in-a-limited-resource-setting
#5
Rafael Teixeira Magalhaes Leal, Bruno Mendonça Barcellos, Jose Alberto Landeiro
BACKGROUND: Brain tumor surgery near or within eloquent regions is increasingly common and is associated with a high risk of neurological injury. Awake craniotomy with mapping has been shown to be a valid method to preserve neurological function while increasing the extent of resection. However, the technique used varies greatly among centers. Most count on professionals such as neuropsychologists, speech therapists, neurophysiologists or neurologists to help in intraoperative patient evaluation...
February 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29452132/effect-of-the-gstm1-gene-deletion-on-glycemic-variability-sympatho-vagal-balance-and-arterial-stiffness-in-patients-with-metabolic-syndrome-but-without-diabetes
#6
Andrea Iorio, Dorina Ylli, Renato Polimanti, Fabiana Picconi, Paola Maggio, Davide Francomano, Antonio Aversa, Dario Manfellotto, Maria Fuciarelli, Simona Frontoni
AIMS: An increased rate of cerebrovascular complications in patients with metabolic syndrome (MetS) has been reported. Previous studies demonstrated an association between glycemic variability (GV) and cerebrovascular reactivity (CRV) in MetS, thus suggesting a putative role of GV on cerebrovascular events. Although the pathophysiological mechanism linking GV to damage is still to be elucidated, evidence suggests oxidative stress plays a crucial role. Since functional variants in glutathione S-transferases (GST) genes modulate the cellular detoxification processes, the aim of this study was to elucidate the involvement of GSTs in MetS and investigating the correlation with GV, arterial stiffness, and sympatho-vagal (SV) balance...
February 13, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29451889/effects-of-patterned-peripheral-nerve-stimulation-on-soleus-spinal-motor-neuron-excitability
#7
Samuel Jimenez, Laura Mordillo-Mateos, Michele Dileone, Michela Campolo, Carmen Carrasco-Lopez, Fabricia Moitinho-Ferreira, Tomas Gallego-Izquierdo, Hartwig R Siebner, Josep Valls-Solé, Juan Aguilar, Antonio Oliviero
Spinal plasticity is thought to contribute to sensorimotor recovery of limb function in several neurological disorders and can be experimentally induced in animals and humans using different stimulation protocols. In healthy individuals, electrical continuous Theta Burst Stimulation (TBS) of the median nerve has been shown to change spinal motoneuron excitability in the cervical spinal cord as indexed by a change in mean H-reflex amplitude in the flexor carpi radialis muscle. It is unknown whether continuous TBS of a peripheral nerve can also shift motoneuron excitability in the lower limb...
2018: PloS One
https://www.readbyqxmd.com/read/29451849/a-comprehensive-review-of-eggs-choline-and-lutein-on-cognition-across-the-life-span
#8
Taylor C Wallace
In 2030, one in five Americans will be older than 65 years, and with that an increase in the number of individuals who experience loss in cognitive capacity is to be expected. At the same time, nutrition within the first 1000 days postconception has been suggested to strongly influence cognitive outcomes across the life-span in humans. Eggs are a primary source of both choline and the xanthophyll carotenoid lutein in the western diet, and both have been suggested to influence cognitive function in humans. This comprehensive review critically examines the effects of eggs, choline, and lutein on cognition across the life-span...
February 16, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29451211/electroacupuncture-preconditioning-protects-against-focal-cerebral-ischemia-reperfusion-injury-via-suppression-of-dynamin-related-protein-1
#9
Gao-Feng Zhang, Pei Yang, Zeng Yin, Huai-Long Chen, Fu-Guo Ma, Bin Wang, Li-Xin Sun, Yan-Lin Bi, Fei Shi, Ming-Shan Wang
Electroacupuncture preconditioning at acupoint Baihui (GV20) can reduce focal cerebral ischemia/reperfusion injury. However, the precise protective mechanism remains unknown. Mitochondrial fission mediated by dynamin-related protein 1 (Drp1) can trigger neuronal apoptosis following cerebral ischemia/reperfusion injury. Herein, we examined the hypothesis that electroacupuncture pretreatment can regulate Drp1, and thus inhibit mitochondrial fission to provide cerebral protection. Rat models of focal cerebral ischemia/reperfusion injury were established by middle cerebral artery occlusion at 24 hours after 5 consecutive days of preconditioning with electroacupuncture at GV20 (depth 2 mm, intensity 1 mA, frequency 2/15 Hz, for 30 minutes, once a day)...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29451209/predictors-of-short-term-outcome-in-patients-with-acute-middle-cerebral-artery-occlusion-unsuitability-of-fluid-attenuated-inversion-recovery-vascular-hyperintensity-scores
#10
Chan-Chan Li, Xiao-Zhu Hao, Jia-Qi Tian, Zhen-Wei Yao, Xiao-Yuan Feng, Yan-Mei Yang
Fluid-attenuated inversion recovery (FLAIR) vascular hyperintensity (FVH) is used to assess leptomeningeal collateral circulation, but clinical outcomes of patients with FVH can be very different. The aim of the present study was to assess a FVH score and explore its relationship with clinical outcomes. Patients with acute ischemic stroke due to middle cerebral artery M1 occlusion underwent magnetic resonance imaging and were followed up at 10 days (National Institutes of Health Stroke Scale) and 90 days (modified Rankin Scale) to determine short-term clinical outcomes...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29450761/an-electroglottographical-analysis-based-discriminant-function-model-differentiating-multiple-sclerosis-patients-from-healthy-controls
#11
George D Vavougios, Triantafyllos Doskas, Kostas Konstantopoulos
Dysarthrophonia is a predominant symptom in many neurological diseases, affecting the quality of life of the patients. In this study, we produced a discriminant function equation that can differentiate MS patients from healthy controls, using electroglottographic variables not analyzed in a previous study. We applied stepwise linear discriminant function analysis in order to produce a function and score derived from electroglottographic variables extracted from a previous study. The derived discriminant function's statistical significance was determined via Wilk's λ test (and the associated p value)...
February 15, 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29450650/access-to-the-cns-biomarker-strategies-for-dopaminergic-treatments
#12
REVIEW
Willem Johan van den Brink, Semra Palic, Isabelle Köhler, Elizabeth Cunera Maria de Lange
Despite substantial research carried out over the last decades, it remains difficult to understand the wide range of pharmacological effects of dopaminergic agents. The dopaminergic system is involved in several neurological disorders, such as Parkinson's disease and schizophrenia. This complex system features multiple pathways implicated in emotion and cognition, psychomotor functions and endocrine control through activation of G protein-coupled dopamine receptors. This review focuses on the system-wide effects of dopaminergic agents on the multiple biochemical and endocrine pathways, in particular the biomarkers (i...
February 15, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29450484/neurological-manifestations-among-us-government-personnel-reporting-directional-audible-and-sensory-phenomena-in-havana-cuba
#13
Randel L Swanson, Stephen Hampton, Judith Green-McKenzie, Ramon Diaz-Arrastia, M Sean Grady, Ragini Verma, Rosette Biester, Diana Duda, Ronald L Wolf, Douglas H Smith
Importance: From late 2016 through August 2017, US government personnel serving on diplomatic assignment in Havana, Cuba, reported neurological symptoms associated with exposure to auditory and sensory phenomena. Objective: To describe the neurological manifestations that followed exposure to an unknown energy source associated with auditory and sensory phenomena. Design, Setting, and Participants: Preliminary results from a retrospective case series of US government personnel in Havana, Cuba...
February 15, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29449803/the-consequences-of-preterm-birth-and-chorioamnionitis-on-brainstem-respiratory-centers-implications-for-neurochemical-development-and-altered-functions-by-inflammation-and-prostaglandins
#14
REVIEW
Vanesa Stojanovska, Suzanne L Miller, Stuart B Hooper, Graeme R Polglase
Preterm birth is a major cause for neonatal morbidity and mortality, and is frequently associated with adverse neurological outcomes. The transition from intrauterine to extrauterine life at birth is particularly challenging for preterm infants. The main physiological driver for extrauterine transition is the establishment of spontaneous breathing. However, preterm infants have difficulty clearing lung liquid, have insufficient surfactant levels, and underdeveloped lungs. Further, preterm infants have an underdeveloped brainstem, resulting in reduced respiratory drive...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29448258/altered-long-noncoding-rna-and-messenger-rna-expression-in-experimental-intracerebral-hemorrhage-a-preliminary-study
#15
Cui Hanjin, Liu Tao, Li Pengfei, Yang Ali, Zhou Huajun, Luo Jiekun, Wang Yang, Tang Tao
BACKGROUND/AIMS: Functional recovery in the chronic phase is a difficult problem in intracerebral hemorrhage (ICH) treatment. Long noncoding RNAs (lncRNAs) are demonstrated to be involved in central nervous system (CNS) disorders. However, the roles of lncRNAs in post-ICH injury and repair are poorly understood, especially those that may be attributed to long-term neurological deficit. The present study depicted the lncRNA and messenger RNA (mRNA) profile by microarray at late stage after an experimental ICH...
February 9, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29448108/inhibition-of-hmgb1-mediates-neuroprotection-of-traumatic-brain-injury-by-modulating-the-microglia-macrophage-polarization
#16
Tielei Gao, Zhe Chen, He Chen, Hui Yuan, Yuena Wang, Xue Peng, Can Wei, Jinxia Yang, Changqing Xu
Microglia/Macrophages have a double-edged role in secondary brain damage after traumatic brain injury (TBI) depending on polarization toward proinflammatory M1 or anti-inflammatory M2 phenotypes. Recently, high-mobility group box 1 (HMGB1) was found to influence the polarization of macrophages. In this study, glycyrrhizin (GL), an inhibitor of HMGB1, was used to investigate whether the inhibition of HMGB1 could modulate microglia/macrophage polarization after TBI. The results showed that treatment with GL improved the neurological function recovery, reduced the lesion volume, and inhibited the release and expression of HMGB1 after TBI...
February 12, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29447938/hypothesis-is-there-a-link-between-the-immune-response-to-human-herpes-virus-type-6%C3%AE-hhv-6%C3%AE-infection-and-the-interaction-network-interactome-of-the-genes-encoding-the-ctss-ptx3-chi3l1-mx1-cxcl16-birc3-and-bst2-proteins
#17
Erasmia Rouka
Human Herpes Virus type 6 (HHV-6) is a ubiquitous virus consisting of two viral species, HHV-6A and HHV-6B that have been associated with numerous and diverse pathologies. As many other viruses HHV-6 modulates the apoptotic machinery of its host to subvert immune response to infection, yet the exact mechanisms behind this process remain under investigation. The genes encoding the CTSS, PTX3, CHI3L1, Mx1, CXCL16, BIRC3 and BST2 proteins have been linked to HHV-6Α related neurologic diseases whilst also associated with apoptosis...
March 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29447784/design-of-disco-direct-or-subacute-coronary-angiography-in-out-of-hospital-cardiac-arrest-study
#18
Rickard Lagedal, Ludvig Elfwén, Stefan James, Jonas Oldgren, David Erlinge, Ollie Östlund, Ewa Wallin, Ing-Marie Larsson, Gisela Lilja, Tobias Cronberg, Sten Rubertsson, Per Nordberg
BACKGROUND: Acute coronary syndrome is a common cause of out-of-hospital cardiac arrest (OHCA). In patients with OHCA presenting with ST elevation, immediate coronary angiography and potential percutaneous coronary intervention (PCI) after return of spontaneous circulation are recommended. However, the evidence for this invasive strategy in patients without ST elevation is limited. Observational studies have shown a culprit coronary artery occlusion in about 30% of these patients, indicating the electrocardiogram's (ECG's) limited sensitivity...
March 2018: American Heart Journal
https://www.readbyqxmd.com/read/29447392/activity-dependent-functions-of-non-electrical-glial-cells
#19
Daisuke Kato, Kei Eto, Junichi Nabekura, Hiroaki Wake
Electrical activity is essential for brain function. However, neurons, the electrically active cells, are less numerous than the non-electrical glial cells in the central nervous system. The non-electrical components modify the function of neural circuits, depending on the electrical neuronal activity, by wrapping synapses, myelinating axons, and phagocytozing the neuronal components. Moreover, recent evidence has suggested that they contribute to neurological and psychiatric disease by regulating neuronal circuits, ultimately affecting their behavior...
February 13, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29447233/notch-signaling-inhibitor-dapt-provides-protection-against-acute-craniocerebral-injury
#20
Hong-Mei Zhang, Pei Liu, Cheng Jiang, Xiao-Qing Jin, Rui-Ning Liu, Shun-Qing Li, Yan Zhao
Notch signaling pathway is involved in many physiological and pathological processes. The γ-secretase inhibitor DAPT inhibits Notch signaling pathway and promotes nerve regeneration after cerebral ischemia. However, neuroprotective effects of DAPT against acute craniocerebral injury remain unclear. In this study, we established rat model of acute craniocerebral injury, and found that with the increase of damage grade, the expression of Notch and downstream protein Hes1 and Hes5 expression gradually increased...
2018: PloS One
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