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Frontiers in Neurology

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https://www.readbyqxmd.com/read/28729852/towards-better-understanding-of-the-pathogenesis-of-neuronal-respiratory-network-in-sudden-perinatal-death
#1
REVIEW
Riffat Mehboob, Mahvish Kabir, Naseer Ahmed, Fridoon Jawad Ahmad
Sudden perinatal death that includes the victims of sudden infant death syndrome, sudden intrauterine death syndrome, and stillbirth are heartbreaking events in the life of parents. Most of the studies about sudden perinatal death were reported from Italy, highlighting two main etiological factors: prone sleeping position and smoking. Other probable contributory factors are prematurity, male gender, lack of breastfeeding, respiratory tract infections, use of pacifiers, infant botulism, extensive use of pesticides and insecticides, etc...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28729851/development-and-validation-of-an-enzyme-linked-immunosorbent-assay-for-the-detection-of-binding-anti-drug-antibodies-against-interferon-beta
#2
Kathleen Ingenhoven, Daniel Kramer, Poul Erik Jensen, Christina Hermanrud, Malin Ryner, Florian Deisenhammer, Marc Pallardy, Til Menge, Hans-Peter Hartung, Bernd C Kieseier, Elisa Bertotti, Paul Creeke, Anna Fogdell-Hahn, Clemens Warnke
OBJECTIVE: To develop and validate a method for the detection of binding anti-drug antibodies (ADAs) against interferon beta (IFN-β) in human serum as part of a European initiative (ABIRISK) aimed at the prediction and analysis of clinical relevance of anti-biopharmaceutical immunization to minimize the risk. METHOD: A two-tiered bridging enzyme-linked immunosorbent assay (ELISA) format was selected and validated according to current recommendations. Screening assay: ADA in serum samples form complexes with immobilized IFN-β and biotinylated IFN-β, which are then detected using HRP labeled Streptavidin and TMB substrate...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28729850/drug-resistant-epilepsy-multiple-hypotheses-few-answers
#3
REVIEW
Fei Tang, Anika M S Hartz, Björn Bauer
Epilepsy is a common neurological disorder that affects over 70 million people worldwide. Despite the recent introduction of new antiseizure drugs (ASDs), about one-third of patients with epilepsy have seizures refractory to pharmacotherapy. Early identification of patients who will become refractory to ASDs could help direct such patients to appropriate non-pharmacological treatment, but the complexity in the temporal patterns of epilepsy could make such identification difficult. The target hypothesis and transporter hypothesis are the most cited theories trying to explain refractory epilepsy, but neither theory alone fully explains the neurobiological basis of pharmacoresistance...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28729849/nerve-decompression-and-restless-legs-syndrome-a-retrospective-analysis
#4
James C Anderson, Megan L Fritz, John-Michael Benson, Brian L Tracy
INTRODUCTION: Restless legs syndrome (RLS) is a prevalent sleep disorder affecting quality of life and is often comorbid with other neurological diseases, including peripheral neuropathy. The mechanisms related to RLS symptoms remain unclear, and treatment options are often aimed at symptom relief rather than etiology. RLS may present in distinct phenotypes often described as "primary" vs. "secondary" RLS. Secondary RLS is often associated with peripheral neuropathy. Nerve decompression surgery of the common and superficial fibular nerves is used to treat peripheral neuropathy...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28725212/neurochemical-systems-of-the-retina-involved-in-the-control-of-movement
#5
Gregory L Willis, Christopher B Freelance
Recent studies have revealed that the retina may exert control over deep brain function and may be importantly involved in the etiology, progression, and treatment of disorders such as Parkinson's disease (PD). While such a concept is uncharted territory and even less is known about the mechanism by which this might be achieved, this study was undertaken to determine how retinal dopamine (DA), serotonin (5-HT), and melatonin (MEL) neurotransmitter systems might be involved in the control of movement in their own right...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28725211/critical-evaluation-of-the-lund-concept-for-treatment-of-severe-traumatic-head-injury-25%C3%A2-years-after-its-introduction
#6
REVIEW
Per-Olof Grände
When introduced in 1992, the Lund concept (LC) was the first complete guideline for treatment of severe traumatic brain injury (s-TBI). It was a theoretical approach, based mainly on general physiological principles-i.e., of brain volume control and optimization of brain perfusion and oxygenation of the penumbra zone. The concept gave relatively strict outlines for cerebral perfusion pressure, fluid therapy, ventilation, sedation, nutrition, the use of vasopressors, and osmotherapy. The LC strives for treatment of the pathophysiological mechanisms behind symptoms rather than just treating the symptoms...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28725210/multicenter-analytical-validation-of-a%C3%AE-40-immunoassays
#7
Linda J C van Waalwijk van Doorn, Luka Kulic, Marleen J A Koel-Simmelink, H Bea Kuiperij, Alexandra A M Versleijen, Hanne Struyfs, Harry A M Twaalfhoven, Anthony Fourier, Sebastiaan Engelborghs, Armand Perret-Liaudet, Sylvain Lehmann, Marcel M Verbeek, Eugeen J M Vanmechelen, Charlotte E Teunissen
BACKGROUND: Before implementation in clinical practice, biomarker assays need to be thoroughly analytically validated. There is currently a strong interest in implementation of the ratio of amyloid-β peptide 1-42 and 1-40 (Aβ42/Aβ40) in clinical routine. Therefore, in this study, we compared the analytical performance of six assays detecting Aβ40 in cerebrospinal fluid (CSF) in six laboratories according to a recently standard operating procedure (SOP) developed for implementation of ELISA assays for clinical routine...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28717355/correlation-of-creatine-kinase-levels-with-clinical-features-and-survival-in-amyotrophic-lateral-sclerosis
#8
Hongfei Tai, Liying Cui, Yuzhou Guan, Mingsheng Liu, Xiaoguang Li, Dongchao Shen, Dawei Li, Bo Cui, Jia Fang, Qingyun Ding, Kang Zhang, Shuangwu Liu
OBJECTIVE: To evaluate serum creatine kinase (CK) levels of amyotrophic lateral sclerosis (ALS) patients and to explore the relationship between CK levels and the clinical characteristics and survival prognosis of ALS patients. METHODS: We analyzed the CK levels of 185 ALS patients who underwent long-term follow-up. The relationship between CK levels and clinical features including sex, age, disease duration, site of onset, body mass index (BMI), serum creatinine (Cr), and spontaneous electromyographic activity was analyzed by univariate analysis and multiple linear regression...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28717354/blood-pressure-and-penumbral-sustenance-in-stroke-from-large-vessel-occlusion
#9
REVIEW
Robert W Regenhardt, Alvin S Das, Christopher J Stapleton, Ronil V Chandra, James D Rabinov, Aman B Patel, Joshua A Hirsch, Thabele M Leslie-Mazwi
The global burden of stroke remains high, and of the various subtypes of stroke, large vessel occlusions (LVOs) account for the largest proportion of stroke-related death and disability. Several randomized controlled trials in 2015 changed the landscape of stroke care worldwide, with endovascular thrombectomy (ET) now the standard of care for all eligible patients. With the proven success of this therapy, there is a renewed focus on penumbral sustenance. In this review, we describe the ischemic penumbra, collateral circulation, autoregulation, and imaging assessment of the penumbra...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28717353/a-proposal-for-a-patient-oriented-five-dimensional-approach-for-surveillance-and-therapy-in-multiple-sclerosis
#10
Yavor Yalachkov, Christian Foerch, Mathias Wahl, Johannes Gehrig
No abstract text is available yet for this article.
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28717352/editorial-pitfalls-in-the-neuro-imaging-of-glioblastoma-in-the-era-of-antiangiogenic-and-immune-targeted-therapy-detecting-elusive-disease-defining-response
#11
EDITORIAL
Pamela Zyman New, Myrna Rachel Rosenfeld
No abstract text is available yet for this article.
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28717351/serial-sampling-of-serum-protein-biomarkers-for-monitoring-human-traumatic-brain-injury-dynamics-a-systematic-review
#12
REVIEW
Eric Peter Thelin, Frederick Adam Zeiler, Ari Ercole, Stefania Mondello, András Büki, Bo-Michael Bellander, Adel Helmy, David K Menon, David W Nelson
BACKGROUND: The proteins S100B, neuron-specific enolase (NSE), glial fibrillary acidic protein (GFAP), ubiquitin carboxy-terminal hydrolase L1 (UCH-L1), and neurofilament light (NF-L) have been serially sampled in serum of patients suffering from traumatic brain injury (TBI) in order to assess injury severity and tissue fate. We review the current literature of serum level dynamics of these proteins following TBI and used the term "effective half-life" (t1/2) in order to describe the "fall" rate in serum...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713330/access-to-thrombolysis-for-non-resident-and-resident-stroke-patients-a-registry-based-comparative-study-from-berlin
#13
Ludwig Schlemm, Guillaume Turc, Heinrich J Audebert, Martin Ebinger
OBJECTIVES: Stroke can happen to people away from home. It is unknown whether non-resident and resident stroke patients have equal access to thrombolysis. MATERIALS AND METHODS: Consecutive patients cared for by the Stroke Emergency Mobile between 2011 and 2016 after prompting suspicion of acute stroke during the emergency call were included in our registry. Patients were categorized as residents or non-residents based on their main address. Clinical characteristics, thrombolysis rates, and time intervals from symptom onset/last seen well to alarm and to thrombolysis were compared between groups adjusting for age, pre-stroke modified Rankin Scale (mRS) score, and National Institutes of Health Stroke Scale (NIHSS) score...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713329/prevalence-incidence-prognosis-early-stroke-risk-and-stroke-related-prognostic-factors-of-definite-or-probable-transient-ischemic-attacks-in-china-2013
#14
Bin Jiang, Haixin Sun, Xiaojuan Ru, Dongling Sun, Zhenghong Chen, Hongmei Liu, Yichong Li, Mei Zhang, Limin Wang, Linhong Wang, Shengping Wu, Wenzhi Wang
The epidemiological characteristics of transient ischemic attacks (TIAs) in China are unclear. In 2013, we conducted a nationally representative, door-to-door epidemiological survey on TIA in China using a complex, multistage, probability sampling design. Results showed that the weighted prevalence of TIA in China was 103.3 [95% confidence interval (CI): 83.9-127.2] per 100,000 in the population, 92.4 (75.0-113.8) per 100,000 among men, and 114.7 (87.2-151.0) per 100,000 among women. The weighted incidence of TIA was 23...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713328/recovery-from-unrecognized-sleep-loss-accumulated-in-daily-life-improved-mood-regulation-via-prefrontal-suppression-of-amygdala-activity
#15
Yuki Motomura, Shingo Kitamura, Kyoko Nakazaki, Kentaro Oba, Ruri Katsunuma, Yuri Terasawa, Akiko Hida, Yoshiya Moriguchi, Kazuo Mishima
Many modern people suffer from sleep debt that has accumulated in everyday life but is not subjectively noticed [potential sleep debt (PSD)]. Our hypothesis for this study was that resolution of PSD through sleep extension optimizes mood regulation by altering the functional connectivity between the amygdala and prefrontal cortex. Fifteen healthy male participants underwent an experiment consisting of a baseline (BL) evaluation followed by two successive interventions, namely, a 9-day sleep extension followed by one night of total sleep deprivation (TSD)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713327/il-2-anti-il-2-complex-attenuates-inflammation-and-bbb-disruption-in-mice-subjected-to-traumatic-brain-injury
#16
Weiwei Gao, Fei Li, Ziwei Zhou, Xin Xu, Yingang Wu, Shuai Zhou, Dongpei Yin, Dongdong Sun, Jianhua Xiong, Rongcai Jiang, Jianning Zhang
Traumatic brain injury (TBI) induces the excessive inflammation and disruption of blood-brain barrier, both of which are partially mediated by the activation of microglia and release of inflammatory cytokines. Previous reports showed that administration of regulatory T cells (Tregs) could suppress inflammation and promote neurological function recovery, and that the IL-2/anti-IL-2 complex (IL-2C) could increase the number of Tregs. Thus, we hypothesized that IL-2C-mediated expansion of Tregs would be beneficial in mice subjected to TBI...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28706505/cell-cell-interaction-proteins-gap-junctions-tight-junctions-and-desmosomes-and-water-transporter-aquaporin-4-in-meningothelial-cells-of-the-human-optic-nerve
#17
Thi Ngoc Co Zeleny, Corina Kohler, Albert Neutzner, Hanspeter E Killer, Peter Meyer
PURPOSE: Meningothelial cells (MECs) play a central role in the maintenance of cerebrospinal fluid (CSF) homeostasis and in physiological and pathophysiological processes within the subarachnoid space (SAS) linking them to optic nerve (ON) pathologies. Still, not much is known about their structural properties that might enable MECs to perform specific functions within the ON microenvironment. METHODS: For closer characterization of the structural properties of the human MEC layer in the arachnoid, we performed immunohistological analyses to evaluate the presence of cell-cell interaction markers, namely, markers for tight junctions (JAM1, Occludin, and Claudin 5), gap junctions (Connexin 26 and 43), and desmosomes (Desmoplakin) as well as for water channel marker aquaporin 4 (AQP4) in retrobulbar, midorbital, and intracanalicular human ON sections...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28706504/hypertrophic-olivary-degeneration-and-palatal-or-oculopalatal-tremor
#18
REVIEW
Caroline Tilikete, Virginie Desestret
Hypertrophic degeneration of the inferior olive is mainly observed in patients developing palatal tremor (PT) or oculopalatal tremor (OPT). This syndrome manifests as a synchronous tremor of the palate (PT) and/or eyes (OPT) that may also involve other muscles from the branchial arches. It is associated with hypertrophic inferior olivary degeneration that is characterized by enlarged and vacuolated neurons, increased number and size of astrocytes, severe fibrillary gliosis, and demyelination. It appears on MRI as an increased T2/FLAIR signal intensity and enlargement of the inferior olive...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28701996/aberrant-pyramidal-tract-in-comparison-with-pyramidal-tract-on-diffusion-tensor-tractography-a-mini-review
#19
REVIEW
Sungho Jang, Soyoung Kwak
The pyramidal tract (PT) is a major neural tract that controls voluntary movements in the human brain. The PT has several collateral pathways, including the aberrant pyramidal tract (APT), which passes through the medial lemniscus location at the midbrain and pons. Diffusion tensor tractography (DTT) allows visualization and estimation of the APT in three dimensions. In this mini-review, eight DTT studies on the APT were reviewed. Two studies for normal subjects reported the prevalence (17-18% of hemispheres) and the different characteristics (different cortical origin, less directionality, and fewer neural fibers) of the APT compared with the PT...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28701995/cerebellar-dysfunction-in-multiple-sclerosis
#20
REVIEW
Alastair Wilkins
Multiple sclerosis (MS) commonly affects the cerebellum causing acute and chronic symptoms. Cerebellar signs contribute significantly to clinical disability, and symptoms such as tremor, ataxia, and dysarthria are particularly difficult to treat. Increasing knowledge concerning the pathophysiology of cerebellar disease in MS from human postmortem studies, experimental models, and clinical trials has raised the hope that cerebellar symptoms will be better treated in the future.
2017: Frontiers in Neurology
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