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https://www.readbyqxmd.com/read/28736515/heidelberg-neuro-music-therapy-enhances-task-negative-activity-in-tinnitus-patients
#1
Christoph M Krick, Heike Argstatter, Miriam Grapp, Peter K Plinkert, Wolfgang Reith
Background: Suffering from tinnitus causes mental distress in most patients. Recent findings point toward a diminished activity of the brain's default-mode network (DMN) in subjects with mental disorders including depression or anxiety and also recently in subjects with tinnitus-related distress. We recently developed a therapeutic intervention, namely the Heidelberg Neuro-Music Therapy (HNMT), which shows an effective reduction of tinnitus-related distress following a 1-week short-term treatment. This approach offers the possibility to evaluate the neural changes associated with the improvements in tinnitus distress...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28731442/of-mice-and-men-comparative-analysis-of-neuro-inflammatory-mechanisms-in-human-and-mouse-using-cause-and-effect-models
#2
Alpha Tom Kodamullil, Anandhi Iyappan, Reagon Karki, Sumit Madan, Erfan Younesi, Martin Hofmann-Apitius
Perturbance in inflammatory pathways have been identified as one of the major factors which leads to neurodegenerative diseases (NDD). Owing to the limited access of human brain tissues and the immense complexity of the brain, animal models, specifically mouse models, play a key role in advancing the NDD field. However, many of these mouse models fail to reproduce the clinical manifestations and end points of the disease. NDD drugs, which passed the efficacy test in mice, were repeatedly not successful in clinical trials...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731430/neuroimaging-feature-terminology-a-controlled-terminology-for-the-annotation-of-brain-imaging-features
#3
Anandhi Iyappan, Erfan Younesi, Alberto Redolfi, Henri Vrooman, Shashank Khanna, Giovanni B Frisoni, Martin Hofmann-Apitius
Ontologies and terminologies are used for interoperability of knowledge and data in a standard manner among interdisciplinary research groups. Existing imaging ontologies capture general aspects of the imaging domain as a whole such as methodological concepts or calibrations of imaging instruments. However, none of the existing ontologies covers the diagnostic features measured by imaging technologies in the context of neurodegenerative diseases. Therefore, the Neuro-Imaging Feature Terminology (NIFT) was developed to organize the knowledge domain of measured brain features in association with neurodegenerative diseases by imaging technologies...
July 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28729834/white-matter-hyperintensity-in-elderly-patients-with-diabetes-mellitus-is-associated-with-cognitive-impairment-functional-disability-and-a-high-glycoalbumin-glycohemoglobin-ratio
#4
Yoshiaki Tamura, Yoshiyuki Kimbara, Takuya Yamaoka, Ken Sato, Yuki Tsuboi, Remi Kodera, Yuko Chiba, Seijiro Mori, Yoshinori Fujiwara, Aya M Tokumaru, Hideki Ito, Takashi Sakurai, Atsushi Araki
Aims: Although evidence has accumulated that white matter hyperintensity (WMH) is associated with the deterioration of cognitive function and impairment of activities of daily living (ADL), the clinical relevance of WMH in elderly patients with diabetes mellitus (DM) is not still clear. The aim of this study was to examine whether WMH volume is associated with ADL and cognitive function and whether glucose control and glucose variability can affect WMH volume in these patients. Methods: This cross-sectional study investigated the associations of WMH with cognitive function and instrumental ADL (IADL), as well as metabolic and vascular risk factors in a total of 178 elderly patients with diabetes...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28729821/optimized-model-of-cerebral-ischemia-in-situ-for-the-long-lasting-assessment-of-hippocampal-cell-death
#5
Oksana Rybachuk, Olga Kopach, Volodymyr Krotov, Nana Voitenko, Tatyana Pivneva
Among all the brain, the hippocampus is the most susceptible region to ischemic lesion, with the highest vulnerability of CA1 pyramidal neurons to ischemic damage. This damage may cause either prompt neuronal death (within hours) or with a delayed appearance (over days), providing a window for applying potential therapies to reduce or prevent ischemic impairments. However, the time course when ischemic damage turns to neuronal death strictly depends on experimental modeling of cerebral ischemia and, up to now, studies were predominantly focused on a short time-window-from hours to up to a few days post-lesion...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28727554/a-human-humanoid-interaction-through-the-use-of-bci-for-locked-in-als-patients-using-neuro-biological-feedback-fusion
#6
Rosario Sorbello, Salvatore Tramonte, Marcello Giardina, Vincenzo La Bella, Rossella Spataro, Brendan Allison, Christoph Guger, Antonio Chella
This paper illustrates a new architecture for a human-humanoid interaction based on EEG-Brain Computer Interface (EEG-BCI) for patients affected by locked-in syndrome caused by Amyotrophic Lateral Sclerosis (ALS). The proposed architecture is able to recognise users' mental state accordingly to the biofeedback factor Bf , based on users' Attention, Intention and Focus, that is used to elicit a robot to perform customised behaviours. Experiments have been conducted with a population of 8 subjects: 4 ALS patients in a near Locked-in status with normal ocular movement and 4 healthy control subjects enrolled for age, education and computer expertise...
July 18, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28725174/altered-functional-connectivity-following-an-inflammatory-white-matter-injury-in-the-newborn-rat-a-high-spatial-and-temporal-resolution-intrinsic-optical-imaging-study
#7
Edgar Guevara, Wyston C Pierre, Camille Tessier, Luis Akakpo, Irène Londono, Frédéric Lesage, Gregory A Lodygensky
Very preterm newborns have an increased risk of developing an inflammatory cerebral white matter injury that may lead to severe neuro-cognitive impairment. In this study we performed functional connectivity (fc) analysis using resting-state optical imaging of intrinsic signals (rs-OIS) to assess the impact of inflammation on resting-state networks (RSN) in a pre-clinical model of perinatal inflammatory brain injury. Lipopolysaccharide (LPS) or saline injections were administered in postnatal day (P3) rat pups and optical imaging of intrinsic signals were obtained 3 weeks later...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28718307/late-post-treatment-radiographic-changes-3-years-following-chemoradiation-for-glioma-the-importance-of-histopathology
#8
Joao R Galante, Fausto Rodriguez, Stuart A Grossman, Roy E Strowd
Treatment-related changes can mimic brain tumor progression both clinically and radiographically. Distinguishing these two entities represents a major challenge in neuro-oncology. No single imaging modality is capable of reliably achieving such distinction. While histopathology remains the gold standard, definitive pathological criteria are also lacking which can further complicate such cases. We report a patient with high-grade glioma who, after initially presenting with histopathologically confirmed pseudoprogression 10 months following treatment, re-presented 3 years following concurrent chemoradiation with clinical and radiographic changes that were most consistent with progressive disease but for which histopathology revealed treatment effects without active glioma...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28718304/the-role-of-surgery-in-low-grade-gliomas-do-timing-and-extent-of-resection-matter
#9
Hugues Duffau
Hugues Duffau is a Professor and Chairman of the Neurosurgery Department in the Montpellier University Medical Center and Head of the INSERM 1051 Team "plasticity of the central nervous system, human stem cells and glial tumors" at the Institute for Neurosciences of Montpellier (France). He is an expert in the awake cognitive neurosurgery of slow-growing brain tumors, such as low-grade gliomas, a routine which he has developed since 20 years. His fundamental approach is centered on the concepts of the brain connectomics and neuroplasticity, breaking with the traditional localizationist view of cerebral processing...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28714607/new-insights-into-how-serotonin-selective-reuptake-inhibitors-shape-the-developing-brain
#10
REVIEW
Jay A Gingrich, Heli Malm, Mark S Ansorge, Alan Brown, Andre Sourander, Deepika Suri, Cátia M Teixeira, Martha K Caffrey Cagliostro, Darshini Mahadevia, Myrna M Weissman
Development passes through sensitive periods, during which plasticity allows for genetic and environmental factors to exert indelible influence on the maturation of the organism. In the context of central nervous system (CNS) development, such sensitive periods shape the formation of neuro-circuits that mediate, regulate, and control behavior. This general mechanism allows for development to be guided by both the genetic blueprint, as well as the environmental context. While allowing for adaptation, such sensitive periods are also windows of vulnerability during which external and internal factors can confer risk to brain disorders by derailing adaptive developmental programs...
July 17, 2017: Birth defects research
https://www.readbyqxmd.com/read/28713238/targeting-cognitive-impairment-in-multiple-sclerosis-the-road-toward-an-imaging-based-biomarker
#11
Jeroen Van Schependom, Guy Nagels
Multiple Sclerosis (MS) is a neuro-degenerative and -inflammatory disease leading to physical and cognitive impairment, pathological fatigue and depression, and affecting patients' quality of life and employment status. The combination of inflammation, demyelination, and neurodegeneration leads to the emergence of MS lesions, reduced white and gray matter brain volumes, a reduced conduction velocity and microstructural changes in the so-called Normal Appearing White Matter (NAWM). Currently, there are very limited options to treat cognitive impairment and its origin is only poorly understood...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28711406/glycosylation-with-ribitol-phosphate-in-mammals-new-insights-into-the-o-mannosyl-glycan
#12
REVIEW
Hiroshi Manya, Tamao Endo
BACKGROUND: O-mannosyl glycans have been found in a limited number of glycoproteins of the brain, nerves, and skeletal muscles, particularly in α-dystroglycan (α-DG). Defects in O-mannosyl glycan on α-DG are the primary cause of a group of congenital muscular dystrophies, which are collectively termed α-dystroglycanopathy. Recent studies have revealed various O-mannosyl glycan structures, which can be classified as core M1, core M2, and core M3 glycans. Although many dystroglycanopathy genes are involved in core M3 processing, the structure and biosynthesis of core M3 glycan remains only partially understood...
July 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28711405/a-unique-glycan-isoform-of-transferrin-in-cerebrospinal-fluid-a-potential-diagnostic-marker-for-neurological-diseases
#13
REVIEW
Kyoka Hoshi, Hiromi Ito, Yuka Matsumoto, Kiyoshi Saito, Takashi Honda, Yoshiki Yamaguchi, Yasuhiro Hashimoto
BACKGROUND: cerebrospinal fluid (CSF) is sequestered from blood by the blood-brain barrier and directly communicates with brain parenchymal interstitial fluid, leading to contain specific biomarkers of neurological diseases. SCOPE OF REVIEW: CSF contains glycan isoforms of transferrin (Tf): one appears to be derived from the brain and the other from blood. MAJOR CONCLUSIONS: CSF contains two glycan-isoforms; brain-type Tf and serum-type Tf...
July 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28710324/brain-white-matter-fibre-tracts-a-review-of-functional-neuro-oncological-relevance
#14
REVIEW
Natalie L Voets, Andreas Bartsch, Puneet Plaha
State-of-the-art glioma treatment aims to maximise neuro-oncological benefit while minimising losses in quality of life. Optimising this balance remains hindered by our still limited understanding of information processing in the human brain. To help understand individual differences in functional outcomes following neuro-oncological treatment, we review mounting evidence demonstrating the fundamental role that white matter connections play in complex human behaviour. We focus on selected fibre tracts whose destruction is recognised to elicit predictable behavioural deficits and consider specific indications for non-invasive diffusion MRI tractography, the only existing method to map these fibre tracts in vivo, in the selection and planning of neuro-oncological treatments...
July 14, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28709849/effects-of-huperzin-a-on-the-beta-amyloid-accumulation-in-the-brain-and-skeletal-muscle-cells-of-a-rat-model-for-alzheimer-s-disease
#15
Cagatay Han Turkseven, Belgin Buyukakilli, Ebru Balli, Derya Yetkin, Mehmet Emin Erdal, Senay Gorucu Yilmaz, Leyla Sahin
AIMS: Alzheimer's Disease (AD) is characterized by a loss of cognitive function and also the accumulation of β-amyloid peptide (βAP) in the brain parenchyma, which plays an important role in this disease. However, it is often also associated with the non-cognitive symptoms such as loss of muscle function (Inclusion-Body Myositis-IBM). MAIN METHODS: Sprague-Dawley rats (13 weeks-n=68) were randomly assigned into five groups: Group C: Control; Group D: d-galactose; Group O+D: Bilateral oophorectomy+d-galactose; Group O: Bilateral oophorectomy; Group O+D+H: Bilateral oophorectomy+d-galactose+Hup-A...
July 11, 2017: Life Sciences
https://www.readbyqxmd.com/read/28701996/aberrant-pyramidal-tract-in-comparison-with-pyramidal-tract-on-diffusion-tensor-tractography-a-mini-review
#16
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/28700619/intra-operative-multi-site-stimulation-expanding-methodology-for-cortical-brain-mapping-of-language-functions
#17
Tal Gonen, Tomer Gazit, Akiva Korn, Adi Kirschner, Daniella Perry, Talma Hendler, Zvi Ram
Direct cortical stimulation (DCS) is considered the gold-standard for functional cortical mapping during awake surgery for brain tumor resection. DCS is performed by stimulating one local cortical area at a time. We present a feasibility study using an intra-operative technique aimed at improving our ability to map brain functions which rely on activity in distributed cortical regions. Following standard DCS, Multi-Site Stimulation (MSS) was performed in 15 patients by applying simultaneous cortical stimulations at multiple locations...
2017: PloS One
https://www.readbyqxmd.com/read/28699524/biohybrid-membrane-systems-for-testing-molecules-and-stem-cell-therapy-in-neuronal-tissue-engineering
#18
Sabrina Morelli, Antonella Piscioneri, Simona Salerno, Enrico Drioli, Loredana De Bartolo
Current research in neural tissue-engineering is focused on the development of advanced biomaterials for the creation of sophisticated neuro-tissue analogues, showing that mimicking the in vivo tissue disposition and functions is a useful tool for the study of brain-related issues in normal and pathological states. In addition, the most common approach for developing new drug therapies is to carry out in vitro investigation before in vivo test, thus, it is increasingly important to develop valuable models that can predict the results of in vivo studies...
July 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28698967/endogenous-expression-of-odn-related-peptides-in-astrocytes-contributes-to-cell-protection-against-oxidative-stress-astrocyte-neuron-crosstalk-relevance-for-neuronal-survival
#19
Ikram Ghouili, Seyma Bahdoudi, Fabrice Morin, Fatma Amri, Yosra Hamdi, Pierre Michael Coly, Marie-Laure Walet-Balieu, Jérôme Leprince, Sami Zekri, Hubert Vaudry, David Vaudry, Hélène Castel, Mohamed Amri, Marie-Christine Tonon, Olfa Masmoudi-Kouki
Astroglial cells are important actors in the defense of brain against oxidative stress injuries. Glial cells synthesize and release the octadecaneuropeptide ODN, a diazepam-binding inhibitor (DBI)-related peptide, which acts through its metabotropic receptor to protect neurons and astrocytes from oxidative stress-induced apoptosis. The purpose of the present study is to examine the contribution of the endogenous ODN in the protection of astrocytes and neurons from moderate oxidative stress. The administration of H2O2 (50 μM, 6 h) induced a moderate oxidative stress in cultured astrocytes, i...
July 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28698149/gelatin-modified-lipid-nanoparticles-for-anti-retroviral-drug-delivery
#20
Joshy K S, Snigdha S, Nandakumar Kalarikkal, Laly A Pothen, Sabu Thomas
The major challenges to clinical application of zidovudine are its moderate aqueous solubility and relative short half-life and serious side effects due to frequent administrations. We investigated the preparation of zidovudine-loaded nanoparticles based on lipids which were further modified with the polymer gelatin. Formulation and stability of the modified nanoparticles were analysed from the physico-chemical characterizations. The interactions of nanoparticles with blood components were tested by hemolysis and aggregation studies...
July 8, 2017: Chemistry and Physics of Lipids
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