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https://www.readbyqxmd.com/read/29768882/grape-seed-extract-alone-or-combined-with-atropine-in-treatment-of-malathion-induced-neuro-and-genotoxicity
#1
Omar M E Abdel-Salam, Asmaa F Galal, Mahrousa M Hassanane, Lamiaa M Salem, Somaia A Nada, Fatma A Morsy
The aim of this study was to investigate the effect of treatment with grape seed extract (GSE) on the neurotoxic and genotoxic effects of acute malathion exposure. Rats received malathion (150 mg/kg by i.p. injection) for two successive days alone or combined with GSE at doses of 150 or 300 mg/kg, orally or with GSE at 300 mg/kg and atropine at a dose of 2 mg/kg, i.p. Malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide, paraoxonase (PON1) were determined in cortex, striatum, and rest of brain tissue (subcortex)...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29765790/direct-posterior-bipolar-cervical-facet-radiofrequency-rhizotomy-a-simpler-and-safer-approach-to-denervate-the-facet-capsule
#2
Ovidiu Palea, Haroon M Andar, Ramon Lugo, Michelle Granville, Robert E Jacobson
Radiofrequency cervical rhizotomy has been shown to be effective for the relief of chronic neck pain, whether it be due to soft tissue injury, cervical spondylosis, or post-cervical spine surgery. The target and technique have traditionally been taught using an oblique approach to the anterior lateral capsule of the cervical facet joint. The goal is to position the electrode at the proximal location of the recurrent branch after it leaves the exiting nerve root and loops back to the cervical facet joint. The standard oblique approach to the recurrent nerve requires the testing of both motor and sensory components to verify the correct position and ensure safety so as to not damage the slightly more anterior nerve root...
March 14, 2018: Curēus
https://www.readbyqxmd.com/read/29765635/poor-neuro-motor-tuning-of-the-human-larynx-a-comparison-of-sung-and-whistled-pitch-imitation
#3
Michel Belyk, Joseph F Johnson, Sonja A Kotz
Vocal imitation is a hallmark of human communication that underlies the capacity to learn to speak and sing. Even so, poor vocal imitation abilities are surprisingly common in the general population and even expert vocalists cannot match the precision of a musical instrument. Although humans have evolved a greater degree of control over the laryngeal muscles that govern voice production, this ability may be underdeveloped compared with control over the articulatory muscles, such as the tongue and lips, volitional control of which emerged earlier in primate evolution...
April 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29759891/the-putative-role-of-oxidative-stress-and-inflammation-in-the-pathophysiology-of-sleep-dysfunction-across-neuropsychiatric-disorders-focus-on-chronic-fatigue-syndrome-bipolar-disorder-and-multiple-sclerosis
#4
REVIEW
Gerwyn Morris, Brendon Stubbs, Cristiano A Köhler, Ken Walder, Anastasiya Slyepchenko, Michael Berk, André F Carvalho
Sleep and circadian abnormalities are prevalent and burdensome manifestations of diverse neuro-immune diseases, and may aggravate the course of several neuropsychiatric disorders. The underlying pathophysiology of sleep abnormalities across neuropsychiatric disorders remains unclear, and may involve the inter-play of several clinical variables and mechanistic pathways. In this review, we propose a heuristic framework in which reciprocal interactions of immune, oxidative and nitrosative stress, and mitochondrial pathways may drive sleep abnormalities across potentially neuroprogressive disorders...
April 4, 2018: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29759136/characterization-of-sleep-pattern-and-neuro-immune-endocrine-markers-at-24-hour-post-injection-of-a-single-low-dose-of-lipopolysaccharide-in-male-wistar-rats
#5
Francisco Nachón-García, Gabriela Hurtado-Alvarado, Mario E Acosta-Hernández, Carolina Peña-Escudero, Sergio Priego-Fernández, Samantha Alvarez-Herrera, Enrique Becerril-Villanueva, Gilberto Pérez-Sánchez, Lenin Pavón, Fabio García-García
The long-term effect of immune system activation by a low dose of lipopolysaccharide on neuro-immune-endocrine regulation is unclear. Sleep, neurotransmitter concentrations, TNF-α, and corticosterone levels were evaluated in male Wistar rats implanted with conventional sleep recordings. In this work, we found that REM sleep was reduced in the first 4 h post-injection, without affecting the total sleep time, while adrenaline concentration was reduced in the hippocampus at 24 h post-injection of LPS. Our results demonstrated that, although the acute immune response was not evident 24 h after the injection of LPS, it was able to promote the reduction of AD in the hippocampus, which may explain in part the depressive behavior reported in rodents following LPS administration...
July 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29755322/microglial-activation-after-systemic-stimulation-with-lipopolysaccharide-and-escherichia-coli
#6
Inge C M Hoogland, Dunja Westhoff, Joo-Yeon Engelen-Lee, Jeroen Melief, Mercedes Valls Serón, Judith H M P Houben-Weerts, Inge Huitinga, David J van Westerloo, Tom van der Poll, Willem A van Gool, Diederik van de Beek
Background: Microglial activation after systemic infection has been suggested to mediate sepsis-associated delirium. A systematic review of animal studies suggested distinct differences between microglial activation after systemic challenge with live bacteria and lipopolysaccharide (LPS). Here, we describe a mouse model of microglial activation after systemic challenge with live Escherichia coli ( E. coli ) and compare results with systemic challenge with LPS. Methods: Sixty mice were intraperitoneally injected with E...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29754119/a-pilot-study-and-brief-overview-of-rehabilitation-via-virtual-environment-in-patients-suffering-from-dementia
#7
Th Fasilis, P Patrikelis, A Siatouni, A Alexoudi, A Veretzioti, L Zachou, S-St Gatzonis
Dementia is one of the increasing problems of modern societies. The immediate cure is not a possible solution, at least at the moment, but science has found a number of new ways to retard and under specific conditions to halt its development. A potential, and constantly evolving scientific field is the use of Computerized Cognitive Rehabilitation (CCR) and Virtual Environments (Vr.E). According to the existing literature, subjecting patients to various neuro-rehabilitative conditions within 3D virtual environments, allows them to obtain significant therapeutic benefits in which both transferability and durations over time are observed, in relation to the training period of the intervention...
January 2018: Psychiatrikē, Psychiatriki
https://www.readbyqxmd.com/read/29750976/reduced-type-iii-neuregulin-1-expression-does-not-modulate-the-behavioural-sensitivity-of-mice-to-acute-%C3%AE-9-tetrahydrocannabinol-d-9-thc
#8
David Lloyd, David Talmage, Cynthia Shannon Weickert, Tim Karl
Mice with a mutation in the transmembrane domain of the schizophrenia risk gene, neuregulin 1 (Nrg1 TM HET), are more susceptible to the neuro-behavioural effects of Δ9 -tetrahydrocannabinol (D9 -THC), the principal psychoactive component in cannabis. However, NRG1 is transcriptionally complex with over 30 different isoforms, most of which carry a transmembrane domain, raising the question which NRG1 isoform(s) may contribute to this phenotype. Type III NRG1/Nrg1 is the most brain abundant isoform and brain studies have identified increased levels of type III NRG1 mRNA in humans carrying a NRG1 risk haplotype for schizophrenia...
May 8, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29750396/a-phase-1-2-dose-finding-safety-and-activity-study-of-cabazitaxel-in-pediatric-patients-with-refractory-solid-tumors-including-tumors-of-the-central-nervous-system
#9
Peter E Manley, Tanya Trippett, Amy A Smith, Margaret E Macy, Sarah E S Leary, Jessica Boklan, Kenneth J Cohen, Stewart Goldman, Lindsay B Kilburn, Girish Dhall, Jeanne Devin, Cynthia E Herzog, Sonia Partap, Floris Fauchet, Emmy Badreddine, John P Bernard, Susan N Chi
BACKGROUND: This phase 1/2 study (NCT01751308) evaluated cabazitaxel in pediatric patients. Phase 1 determined the maximum tolerated dose (MTD) in patients with recurrent/refractory solid tumors, including central nervous system (CNS) tumors. Phase 2 evaluated activity in pediatric recurrent high-grade glioma (HGG) or diffuse intrinsic pontine glioma (DIPG). PROCEDURE: In phase 1, a 3 + 3 dose-escalation study design was followed. Cabazitaxel was administered at a starting dose of 20 mg/m2 ...
May 11, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29748664/nanovesicles-from-adipose-derived-mesenchymal-stem-cells-inhibit-t-lymphocyte-trafficking-and-ameliorate-chronic-experimental-autoimmune-encephalomyelitis
#10
Alessia Farinazzo, Stefano Angiari, Ermanna Turano, Edoardo Bistaffa, Silvia Dusi, Serena Ruggieri, Roberta Bonafede, Raffaella Mariotti, Gabriela Constantin, Bruno Bonetti
Cell based-therapies represent promising strategies for the treatment of neurological diseases. We have previously shown that adipose stem cells (ASC) ameliorate chronic experimental autoimmune encephalomyelitis (EAE). Recent evidence indicates that most ASC paracrine effects are mediated by extracellular vesicles, i.e. micro- and nanovesicles (MVs and NVs). We show that preventive intravenous administration of NVs isolated from ASC (ASC-NVs) before disease onset significantly reduces the severity of EAE and decreases spinal cord inflammation and demyelination, whereas therapeutic treatment with ASC-NVs does not ameliorate established EAE...
May 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29743549/human-cortex-spheroid-with-a-functional-blood-brain-barrier-for-high-throughput-neurotoxicity-screening-and-disease-modeling
#11
Goodwell Nzou, R T Wicks, E E Wicks, S A Seale, C H Sane, A Chen, S V Murphy, J D Jackson, A J Atala
The integral selectivity characteristic of the blood brain barrier (BBB) limits therapeutic options for many neurologic diseases and disorders. Currently, very little is known about the mechanisms that govern the dynamic nature of the BBB. Recent reports have focused on the development and application of human brain organoids developed from neuro-progenitor cells. While these models provide an excellent platform to study the effects of disease and genetic aberrances on brain development, they may not model the microvasculature and BBB of the adult human cortex...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29734012/clinical-evidence-vs-preliminary-speculation-in-newspaper-coverage-of-diabetes-innovations-a-quantitative-analysis
#12
H Vehof, J Sanders, A van Dooren, E Heerdink, E Das
OBJECTIVES: Researchers have discussed that journalistic reporting of medical developments is often characterised by exaggeration or lack of context, but additional quantitative evidence to support this claim is needed. This study introduces a quantitative approach to assessing coverage of medical innovations, by aiming at provided references to observed clinical effects. Although observed clinical effects reflect increased chances for future medical applications, it is unknown to which extent newspaper articles refer to it when spreading health information...
May 4, 2018: Public Health
https://www.readbyqxmd.com/read/29727391/reflections-on-50-years-of-neuroscience-nursing-neuro-oncology-moving-forward-by-looking-back
#13
Marilyn E Reed, Patricia P Anthony, Priscilla B Rosenfeld, Brandi L Ligon, Estelle M Doris, Sherry W Fox
During the past 50 years, there have been more than 100 articles published in the Journal of Neuroscience Nursing covering the topic of neuro-oncology. This article will explore the historical implications and milestones from these articles. The analysis highlights the scope and depth of the many articles as they relate to the advancements in neuro-oncology.
June 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29725348/dynamic-neuro-cognitive-imagery-improves-mental-imagery-ability-disease-severity-and-motor-and-cognitive-functions-in-people-with-parkinson-s-disease
#14
Amit Abraham, Ariel Hart, Isaac Andrade, Madeleine E Hackney
People with Parkinson's disease (PD) experience kinesthetic deficits, which affect motor and nonmotor functions, including mental imagery. Imagery training is a recommended, yet underresearched, approach in PD rehabilitation. Dynamic Neuro-Cognitive Imagery (DNI™) is a codified method for imagery training. Twenty subjects with idiopathic PD (Hoehn and Yahr stages I-III) were randomly allocated into DNI training (experimental; n = 10) or in-home learning and exercise program (control; n = 10). Both groups completed at least 16 hours of training within two weeks...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29722296/reconstruction-of-difference-rod-imaging-for-cone-beam-ct-neuro-angiography
#15
Pengwei Wu, Joseph Webster Stayman, Michael Mow, Wojciech Zbijewski, Alejandro Sisniega, Nafi Aygun, Robert Stevens, David H Foos, Xiaohui Wang, Jeffrey H Siewerdsen
Timely evaluation of neurovasculature via CT angiography (CTA) is critical to detection of pathology such as ischemic stroke. Cone-beam CTA (CBCT-A) systems provide potential advantages in timely use at the point-of-care, although challenges of a relatively slow gantry rotation speed introduce tradeoffs among image quality, data consistency, and data sparsity. This work describes and evaluates a new reconstruction-of-difference (RoD) approach that is robust to such challenges.
 Methods: A fast digital simulation framework was developed to test the performance of RoD over standard reference reconstruction methods like filtered back-projection (FBP) and penalized likelihood (PL) over a broad range of imaging conditions, grouped into three scenarios to test the trade-off between data consistency, data sparsity and peak contrast...
May 3, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29712656/the-artemisinin-derivative-artemisone-is-a-potent-inhibitor-of-human-cytomegalovirus-replication
#16
E Oiknine-Djian, Y Weisblum, A Panet, H N Wong, R K Haynes, D G Wolf
Human cytomegalovirus (HCMV) is a major cause of disease in immunocompromised individuals and the most common cause of congenital infection and neuro-sensorial disease. The expanding target populations for HCMV antiviral treatment along with the limitations of the currently available HCMV DNA polymerase inhibitors underscore the need for new antiviral agents with alternative modes of action. The anti-malarial artemisinin derivative artesunate was shown to inhibit HCMV in vitro , yet has demonstrated limited antiviral efficacy in vivo , prompting our search for more potent anti-HCMV artemisinin derivatives...
April 30, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29709325/3d-biomaterial-matrix-to-support-long-term-full-thickness-immuno-competent-human-skin-equivalents-with-nervous-system-components
#17
Sarah E Lightfoot Vidal, Kasey A Tamamoto, Hanh Nguyen, Rosalyn D Abbott, Dana M Cairns, David L Kaplan
Current commercially available human skin equivalents (HSEs) are used for relatively short term studies (∼1 week) due in part to the time-dependent contraction of the collagen gel-based matrix and the limited cell types and skin tissue components utilized. In contrast, here we describe a new matrix consisting of a silk-collagen composite system that provides long term, stable cultivation with reduced contraction and degradation over time. This matrix supports full thickness skin equivalents which include nerves...
April 24, 2018: Biomaterials
https://www.readbyqxmd.com/read/29704524/differential-effects-of-high-frequency-transcranial-random-noise-stimulation-hf-trns-on-contrast-sensitivity-and-visual-acuity-when-combined-with-a-short-perceptual-training-in-adults-with-amblyopia
#18
Beatrice Moret, Rebecca Camilleri, Andrea Pavan, Giuseppe Lo Giudice, Antonella Veronese, Roberta Rizzo, Gianluca Campana
Amblyopia is a neuro-developmental disorder characterised by several functional impairments in spatial vision even with the best optical correction. There is evidence that extensive perceptual training can improve visual acuity (VA) and contrast sensitivity (CS) in adults with amblyopia. In the present study, we assessed the efficacy of a recently developed neuro-modulatory technique (i.e., high-frequency transcranial random noise stimulation; hf-tRNS) combined with a short perceptual training in adults with amblyopia...
April 25, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29698528/correction-microsomal-prostaglandin-e-synthase-1-gene-deletion-impairs-neuro-immune-circuitry-of-the-cholinergic-anti-inflammatory-pathway-in-endotoxaemic-mouse-spleen
#19
Priya Revathikumar, Johanna Estelius, Utsa Karmakar, Erwan Le Maître, Marina Korotkova, Per-Johan Jakobsson, Jon Lampa
[This corrects the article DOI: 10.1371/journal.pone.0193210.].
2018: PloS One
https://www.readbyqxmd.com/read/29695771/differential-expression-of-il-6-il-6r-and-mao-a-regulates-invasion-angiogenesis-in-breast-cancer
#20
Rashmi Bharti, Goutam Dey, Anjan Kumar Das, Mahitosh Mandal
BACKGROUND: Monoamine oxidases (MAO) are mitochondrial enzymes functioning in oxidative metabolism of monoamines. The action of MAO-A has been typically described in neuro-pharmacological domains. Here, we have established a co-relation between IL-6/IL-6R and MAO-A and their regulation in hypoxia induced invasion/angiogenesis. METHODS: We employed various in-vitro and in-vivo techniques and clinical samples. RESULTS: We studied a co-relation among MAO-A and IL-6/IL-6R and tumour angiogenesis/invasion in hypoxic environment in breast cancer model...
April 26, 2018: British Journal of Cancer
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