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https://www.readbyqxmd.com/read/28632137/electrospun-silk-polyaniline-conduits-for-functional-nerve-regeneration-in-rat-sciatic-nerve-injury-model
#1
Suradip Das, Manav Sharma, Dhiren Saharia, Kushal Sarma, Elizabeth Muir, Utpal Bora
The present study describes the fabrication of polyaniline-silk fibroin nanocomposite based nerve conduits and its subsequent implantation in a rat sciatic nerve injury model for peripheral nerve regeneration. This is the first in vivo study of polyaniline based nerve conduit describing the safety and efficacy of the conduits in treating peripheral nerve injuries. The nanocomposite was synthesised by electrospinning a mixture of silk fibroin protein and polyaniline wherein the silk nanofibers were observed to be uniformly coated with polyaniline nanoparticles...
June 20, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28631679/-the-comparative-assessment-of-the-vocal-function-in-the-professional-voice-users-and-non-occupational-voice-users-in-the-late-adulthood
#2
O G Pavlikhin, S G Romanenko, D I Krasnikova, E V Lesogorova, V S Yakovlev
The objective of the present study was to evaluate the clinical and functional condition of the voice apparatus in the elderly patients and to elaborate recommendations for the prevention of disturbances of the vocal function in the professional voice users. This comprehensive study involved 95 patients including the active professional voice users (n=48) and 45 non-occupational voice users at the age from 61 to 82 years with the employment history varying from 32 to 51 years. The study was designed to obtain the voice characteristics by means of the subjective auditory assessment, microlaryngoscopy, video laryngostroboscopy, determination of maximum phonation time (MPT), and computer-assisted acoustic analysis of the voice with the use of the MDVP Kay Pentaxy system...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28629786/-pregnancy-and-delivery-for-women-with-congenital-spinal-cord-defects-and-neurogenic-bladder
#3
Q Manach, M Dommergues, P Denys, K Loiseau, B Idiard-Chamois, E Chartier-Kastler, V Phé
INTRODUCTION: Data are scarce regarding pregnancy and delivery among women with a neurogenic bladder due to congenital spinal cord defects. OBJECTIVE: To report the obstetrical and urological outcomes of women with congenital spinal cord defects and vesico-sphincteric disorders. METHODS: A retrospective multicentric study included all consecutive women with a neurogenic bladder due to congenital spinal defects, who delivered between January 2005 and December 2014...
June 16, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28629158/contribution-of-the-degeneration-of-the-neuro-axonal-unit-to-the-pathogenesis-of-multiple-sclerosis
#4
REVIEW
Hannah E Salapa, Sangmin Lee, Yoojin Shin, Michael C Levin
Multiple sclerosis (MS) is a demyelinating, autoimmune disease of the central nervous system. In recent years, it has become more evident that neurodegeneration, including neuronal damage and axonal injury, underlies permanent disability in MS. This manuscript reviews some of the mechanisms that could be responsible for neurodegeneration and axonal damage in MS and highlights the potential role that dysfunctional heterogeneous nuclear ribonucleoprotein A1 (hnRNP A1) and antibodies to hnRNP A1 may play in MS pathogenesis...
June 18, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28624901/idio-scale-judgment-evaluation-of-a-new-method-for-estimating-responder-thresholds
#5
Karon F Cook, Michael A Kallen, Cheryl D Coon, David Victorson, Deborah M Miller
PURPOSE: To pilot the newly developed Idio Scale Judgment method for estimating the amount of score change that matters to patients (i.e., change thresholds). METHODS: An online panel of 500 participants diagnosed with multiple sclerosis (MS) responded to the Neuro-QoL fatigue scale and to demographic and clinical questions. Participants compared their own fatigue to that represented by seven short form summaries (SFSs) that were located relatively close to their own fatigue levels...
June 17, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28619501/irreversible-total-loss-of-brain-function-and-organ-donation-in-patients-with-aneurysmal-subarachnoid-hemorrhage
#6
Malte Mohme, Thomas Sauvigny, Jörn Grensemann, Gerold Söffker, Stefan Kluge, Manfred Westphal, Patrick Czorlich
OBJECTIVE: Aneurysmal subarachnoid hemorrhage (aSAH) is a life threatening disease with an often fatal clinical course leading to irreversible total loss of brain function, i.e. brain death. The purpose of this study is to assess the prevalence and characteristics of patients with aSAH converting into organ donors after diagnosis of brain death. METHODS: We retrospectively analyzed anonymized clinical data sets of 395 patients treated for aSAH at our university medical center within the period from 01/2011 to 12/2016...
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28616821/re-irradiation-after-gross-total-resection-of-recurrent-glioblastoma-spatial-pattern-of-recurrence-and-a-review-of-the-literature-as-a-basis-for-target-volume-definition
#7
Christoph Straube, Greeshma Elpula, Jens Gempt, Julia Gerhardt, Stefanie Bette, Claus Zimmer, Friederike Schmidt-Graf, Bernhard Meyer, Stephanie E Combs
BACKGROUND: Currently, patients with gross total resection (GTR) of recurrent glioblastoma (rGBM) undergo adjuvant chemotherapy or are followed up until progression. Re-irradiation, as one of the most effective treatments in macroscopic rGBM, is withheld in this situation, as uncertainties about the pattern of re-recurrence, the target volume, and also the efficacy of early re-irradiation after GTR exist. METHODS: Imaging and clinical data from 26 consecutive patients with GTR of rGBM were analyzed...
June 14, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28611714/movement-interferes-with-visuospatial-working-memory-during-the-encoding-an-erp-study
#8
Rumeysa Gunduz Can, Thomas Schack, Dirk Koester
The present study focuses on the functional interactions of cognition and manual action control. Particularly, we investigated the neurophysiological correlates of the dual-task costs of a manual-motor task (requiring grasping an object, holding it, and subsequently placing it on a target) for working memory (WM) domains (verbal and visuospatial) and processes (encoding and retrieval). Thirty participants were tested in a cognitive-motor dual-task paradigm, in which a single block (a verbal or visuospatial WM task) was compared with a dual block (concurrent performance of a WM task and a motor task)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28608763/identifying-clinical-risk-in-low-grade-gliomas-and-appropriate-treatment-strategies-with-special-emphasis-on-the-role-of-surgery
#9
Sébastien Boissonneau, Hugues Duffau
Diffuse low-grade glioma (DLGG) is a chronic tumoral disease that ineluctably grows, migrates along white matter pathways, and progresses to a higher grade of malignancy. Areas covered: To determine the best individualized treatment attitude for each DLGG patient, and to redefine it over the years, i.e. to optimize the "onco-functional balance" of serial and multimodal therapies, the understanding of the natural history of this chronic disease is crucial but not sufficient. A paradigmatic shift is to tailor the individual management according to the dynamic relationships between DLGG course and neural remodeling...
June 13, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28603137/review-nigella-sativa-prophetic-medicine-a-review
#10
Hira Ijaz, Ume Ruqia Tulain, Junaid Qureshi, Zeeshan Danish, Samina Musayab, Muhammad Furqan Akhtar, Ammara Saleem, Khanzada Khanzada Khan, Muhammad Zaman, Imran Waheed, Imran Khan, Mohamed Abdel-Daim
The present report is a significant effort to explore detail description of N. Sativa, its pharmacognostic characteristics, morphological characteristics, and mechanism of actions, doses and medicinal uses. Nigella sativa (N. Sativa) is greatest form of healing medicine. It is also known as Prophetic Medicine as its use has been mentioned in Prophetic Hadit, as natural remedy for all the diseases except death. It is recommended on daily basis in Tibb-e-Nabwi (Prophetic Medicine). Hazrat Abu Hurairah States ''I have heard from Rasool Allah (PBUH) that there is cure for every disease in black seeds except death and black seeds are shooneeze''...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28599984/prevention-and-management-of-postoperative-seizures-in-neuro-oncology
#11
F Chassoux, E Landre
INTRODUCTION: Epilepsy related to brain tumors is often difficult to treat and may impact the quality of life. We performed a review of current recommendations for the prevention of postoperative seizures and optimizing the anti-epileptic treatment. MATERIAL AND METHODS: Based on studies performed since 2000 we conducted the review by (1) analyzing the incidence of tumoral epilepsy and mechanisms of epileptogenicity; (2) describing the current medical and surgical strategy according to oncologic treatments; (3) discussing the management of postoperative seizures; (4) considering the drug withdrawal after oncologic therapy...
June 6, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28597917/prediction-of-specific-depressive-symptom-clusters-in-youth-with-epilepsy-the-nddi-e-y-versus-neuro-qol-sf
#12
Tanja S Kellermann, Martina Mueller, Emma G Carter, Byron Brooks, Gigi Smith, Olivia J Kopp, Janelle L Wagner
OBJECTIVE: Proper assessment and early identification of depressive symptoms are essential to initiate treatment and minimize the risk for poor outcomes in youth with epilepsy (YWE). The current study examined the predictive utility of the Neurological Disorders Depression Inventory-Epilepsy for Youth (NDDI-E-Y) and the Neuro-QOL Depression Short Form (Neuro-QOL SF) in explaining variance in overall depressive symptoms and specific symptom clusters on the gold standard Children's Depression Inventory-2 (CDI-2)...
June 9, 2017: Epilepsia
https://www.readbyqxmd.com/read/28596106/mechanisms-of-axon-regeneration-the-significance-of-proteoglycans
#13
Kazuma Sakamoto, Kenji Kadomatsu
BACKGROUND: Therapeutics specific to neural injury have long been anticipated but remain unavailable. Axons in the central nervous system do not readily regenerate after injury, leading to dysfunction of the nervous system. This failure of regeneration is due to both the low intrinsic capacity of axons for regeneration and the various inhibitors emerging upon injury. After many years of concerted efforts, however, these hurdles to axon regeneration have been partially overcome. SCOPE OF REVIEW: This review summarizes the mechanisms regulating axon regeneration...
June 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28591851/reduced-fidelity-of-neural-representation-underlies-episodic-memory-decline-in-normal-aging
#14
Li Zheng, Zhiyao Gao, Xiaoqian Xiao, Zhifang Ye, Chuansheng Chen, Gui Xue
Emerging studies have emphasized the importance of the fidelity of cortical representation in forming enduring episodic memory. No study, however, has examined whether there are age-related reductions in representation fidelity that can explain memory declines in normal aging. Using functional MRI and multivariate pattern analysis, we found that older adults showed reduced representation fidelity in the visual cortex, which accounted for their decreased memory performance even after controlling for the contribution of reduced activation level...
June 7, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28584089/dynamic-regulation-of-nanog-and-stem-cell-signaling-pathways-by-hoxa1-during-early-neuro-ectodermal-differentiation-of-es-cells
#15
Bony De Kumar, Hugo J Parker, Mark E Parrish, Jeffrey J Lange, Brian D Slaughter, Jay R Unruh, Ariel Paulson, Robb Krumlauf
Homeobox a1 (Hoxa1) is one of the most rapidly induced genes in ES cell differentiation and it is the earliest expressed Hox gene in the mouse embryo. In this study, we used genomic approaches to identify Hoxa1-bound regions during early stages of ES cell differentiation into the neuro-ectoderm. Within 2 h of retinoic acid treatment, Hoxa1 is rapidly recruited to target sites that are associated with genes involved in regulation of pluripotency, and these genes display early changes in expression. The pattern of occupancy of Hoxa1 is dynamic and changes over time...
June 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28578514/the-beneficial-effects-of-hmg-coa-reductase-inhibitors-in-the-processes-of-neurodegeneration
#16
REVIEW
Seyed Soheil Saeedi Saravi, Seyed Sobhan Saeedi Saravi, Alireza Arefidoust, Ahmad Reza Dehpour
Statins, cholesterol lowering drugs, have been demonstrated to exert beneficial effects in other conditions such as primary and progressing neurodegenerative diseases beyond their original role. Observation that statins ameliorate the neurodegenerative diseases such as Parkinson's disease (PD), Alzheimer's disease (AD), multiple sclerosis (MS) and cerebral ischemic stroke, the neuroprotective effects of these drugs are thought to be linked to their anti-inflammatory, anti-oxidative, and anti-excitotoxic properties...
June 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28573027/operating-length-and-velocity-of-human-m-vastus-lateralis-fascicles-during-vertical-jumping
#17
Maria Elissavet Nikolaidou, Robert Marzilger, Sebastian Bohm, Falk Mersmann, Adamantios Arampatzis
Humans achieve greater jump height during a counter-movement jump (CMJ) than in a squat jump (SJ). However, the crucial difference is the mean mechanical power output during the propulsion phase, which could be determined by intrinsic neuro-muscular mechanisms for power production. We measured M. vastus lateralis (VL) fascicle length changes and activation patterns and assessed the force-length, force-velocity and power-velocity potentials during the jumps. Compared with the SJ, the VL fascicles operated on a more favourable portion of the force-length curve (7% greater force potential, i...
May 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28572154/novel-role-of-npy-in-neuro-immune-interaction-and-lung-growth-after-intrauterine-growth-restriction
#18
Chansutha Thangaratnarajah, Katharina Dinger, Christina Vohlen, Christian Klaudt, Jawed Nawabi, Eva Lopez Garcia, Grazyna Kwapiszewska, Julia Dobner, Kai D Nuesken, Silke van Koningsbruggen-Rietschel, Stephan von Hoersten, Jörg Dötsch, Miguel Angel Alejandre Alcazar
Individuals with intrauterine growth restriction (IUGR) are at risk for chronic lung disease. Using a rat model, our previous studies showed that altered lung structure is related to IL-6/STAT3 signaling. As Neuropeptide Y (NPY), a co-neurotransmitter of the sympathetic nerve system, regulates proliferation and immune response, we hypothesized that dysregulated NPY after IUGR is linked to IL-6, impaired myofibroblast function, and alveolar growth. IUGR was induced in rats by isocaloric low-protein diet; lungs were analyzed on embryonic day (E) 21, postnatal day (P) 3, P12 and P23...
June 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28567167/nurse-competence-on-physiologic-monitors-use-toward-eliminating-alarm-fatigue-in-intensive-care-units
#19
Azizeh K Sowan, Ana G Vera, Elma I Fonseca, Charles C Reed, Albert F Tarriela, Andrea E Berndt
BACKGROUND: Studies on nurse competence on alarm management are a few and tend to be focused on limited skills. In response to Phase II of implementing the National Patient Safety Goal on clinical alarm systems safety, this study assessed nurses' perceived competence on physiologic monitors use in intensive care units (ICUs) and developed and validated a tool for this purpose. METHODS: This descriptive study took place in a Magnet hospital in a Southwestern state of the U...
2017: Open Medical Informatics Journal
https://www.readbyqxmd.com/read/28561665/new-classification-for-central-nervous-system-tumors-implications-for-diagnosis-and-therapy
#20
Christine E Fuller, David T W Jones, Mark W Kieran
The 2016 World Health Organization Classification of Tumors of the Central Nervous System (WHO 2016) represents a noteworthy divergence from prior classification schemas. This new classification introduced the concept of "integrated diagnoses" based on a marriage of both phenotypic (microscopic) and genotypic parameters, with the intended goals of improving diagnostic accuracy and patient management. The result is a major restructuring in many of the brain tumor categories, with the codification of multiple new tumor entities and subgroups...
2017: American Society of Clinical Oncology Educational Book
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