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https://www.readbyqxmd.com/read/28747684/generation-and-validation-of-novel-adeno-associated-viral-vectors-for-the-analysis-of-ca-2-homeostasis-in-motor-neurons
#1
Rosa Pia Norante, Maria Lina Massimino, Paolo Lorenzon, Agnese De Mario, Caterina Peggion, Mattia Vicario, Mattia Albiero, Maria Catia Sorgato, Raffaele Lopreiato, Alessandro Bertoli
A finely tuned Ca(2+) homeostasis in restricted cell domains is of fundamental importance for neurons, where transient Ca(2+) oscillations direct the proper coordination of electro-chemical signals and overall neuronal metabolism. Once such a precise regulation is unbalanced, however, neuronal functions and viability are severely compromised. Accordingly, disturbed Ca(2+) metabolism has often been claimed as a major contributor to different neurodegenerative disorders, such as amyotrophic lateral sclerosis that is characterised by selective motor neuron (MN) damage...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28740383/enhanced-immunization-via-dissolving-microneedle-array-based-delivery-system-incorporating-subunit-vaccine-and-saponin-adjuvant
#2
Ji-Hui Zhao, Qi-Bo Zhang, Bao Liu, Xiang-Hua Piao, Yu-Lu Yan, Xiao-Ge Hu, Kuan Zhou, Yong-Tai Zhang, Nian-Ping Feng
PURPOSE: To enhance the immunogenicity of the model subunit vaccine, ovalbumin (OVA) was combined with platycodin (PD), a saponin adjuvant. To reduce the toxicity of PD, OVA, and adjuvant were loaded together into liposomes before being incorporated into a dissolving microneedle array. METHODS: OVA- and PD-loaded liposomes (OVA-PD-Lipos) were prepared using the film dispersion method. Their uptake behavior, toxicity to mouse bone marrow dendritic cells (BMDCs), and hemolytic activity to rabbit red blood cells (RBCs) were evaluated...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28724783/intra-and-intersegmental-influences-among-central-pattern-generating-networks-in-the-walking-system-of-the-stick-insect
#3
Charalampos Mantziaris, Till Bockemühl, Philip Holmes, Anke Borgmann, Silvia Daun, Ansgar Bueschges
In order to efficiently move around, animals need to coordinate their limbs. Proper, context-dependent coupling among the neural networks underlying leg movement is necessary for generating intersegmental coordination. In the slow-walking stick insect local sensory information is very important for shaping coordination. However, central coupling mechanisms among segmental central pattern generators (CPGs) may also contribute to this. Here, we analyzed the interactions between contralateral networks that drive the depressor trochanteris muscle of the legs in both isolated and interconnected deafferented thoracic ganglia of the stick insect upon application of pilocarpine, a muscarinic acetylcholine receptor agonist...
July 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28722833/targeted-next-generation-sequencing-using-a-multigene-panel-in-myeloid-neoplasms-implementation-in-clinical-diagnostics
#4
B Maes, J Willemse, A Broekmans, R Smets, B Cruys, N Put, V Madoe, M Janssen, O Soepenberg, G Bries, I Vrelust, R Achten, K Van Pelt, K Buvé, K Theunissen, V Peeters, G Froyen
INTRODUCTION: Detection of mutations in patients with myeloid neoplasms (MNs) has shown great potential for diagnostic and prognostic purposes. Next-generation sequencing (NGS) is currently implemented for the diagnostic profiling of the four major MN subgroups. METHODS: First, we validated the targeted NGS approach using the TruSight Myeloid panel. Next, we screened 287 patients with a clinical suspicion of MN and 61 follow-up patients with documented MN. RESULTS: Validation of the NGS workflow resulted in maximal precision, accuracy, sensitivity, and specificity for gene variants with an allele frequency of at least 5% and a minimal read depth of 300...
July 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28696454/a-cation-exchange-controlled-core-shell-mns-bi2s3-theranostic-platform-for-multimodal-imaging-guided-radiation-therapy-with-hyperthermia-boost
#5
Yuhao Li, Yun Sun, Tianye Cao, Qianqian Su, Zili Li, Mingxian Huang, Ruizhuo Ouyang, Haizhou Chang, Shuping Zhang, Yuqing Miao
Overtreatment as a crucial modern medicine issue needs to be urgently addressed. Theranostic agents supply a unique platform and integrate multiple diagnosis and therapies to deal with this issue. In this study, a core-shell MnS@Bi2S3 nanostructure was fabricated via two step reactions for tri-modal imaging guided thermo-radio synergistic therapy. The mass ratio between the core and shell of the constructed MnS@Bi2S3 can be precisely controlled via cation exchange reaction. After surface PEGylation, MnS@Bi2S3-PEG nanoparticles exhibited excellent aqueous medium dispersibility for bioapplications...
July 11, 2017: Nanoscale
https://www.readbyqxmd.com/read/28687313/two-different-mirror-neuron-networks-the-sensorimotor-hand-and-limbic-face-pathways
#6
REVIEW
P F Ferrari, M Gerbella, G Coudé, S Rozzi
The vast majority of functional studies investigating mirror neurons (MNs) explored their properties in relation to hand actions, and very few investigated how MNs respond to mouth actions or communicative gestures. Since hand and mouth MNs were recorded in two partially overlapping sectors of the ventral precentral cortex of the macaque monkey, there is a general assumption that they share a same neuroanatomical network, with the parietal cortex as a main source of visual information. In the current review, we challenge this perspective and describe the connectivity pattern of mouth MN sector...
July 4, 2017: Neuroscience
https://www.readbyqxmd.com/read/28673921/two-social-brains-neural-mechanisms-of-intersubjectivity
#7
REVIEW
Kai Vogeley
It is the aim of this article to present an empirically justified hypothesis about the functional roles of the two social neural systems, namely the so-called 'mirror neuron system' (MNS) and the 'mentalizing system' (MENT, also 'theory of mind network' or 'social neural network'). Both systems are recruited during cognitive processes that are either related to interaction or communication with other conspecifics, thereby constituting intersubjectivity. The hypothesis is developed in the following steps: first, the fundamental distinction that we make between persons and things is introduced; second, communication is presented as the key process that allows us to interact with others; third, the capacity to 'mentalize' or to understand the inner experience of others is emphasized as the fundamental cognitive capacity required to establish successful communication...
August 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28673836/microneedles-enhance-topical-delivery-of-15-deoxy-%C3%AE-12-14-prostaglandin-j2-and-reduce-nociception-in-temporomandibular-joint-of-rats
#8
Cristina G Macedo, Amit K Jain, Michelle FranzMontan, Marcelo H Napimoga, Juliana T Clemente-Napimoga, Harvinder Singh Gill
The pain arising from temporomandibular disorders is often treated with opioids and agents that inhibit the immune response and are associated with substantial adverse effects and long-term risks. Thus, the development of new therapies that are safer and more effective is of great interest to patients and clinicians. 15-deoxy-Δ(12,14)-prostaglandin J2 (15d-PGJ2) is naturally produced in the human body and has anti-inflammatory properties. We have previously shown in a rat temporomandibular joint (TMJ) model that injection of 15d-PGJ2 into the rat TMJ can provide antinociceptive relief against a subsequent noxious challenge from formalin injection into the same TMJ...
June 30, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28661688/solution-synthesis-of-nonequilibrium-zincblende-mns-nanowires
#9
Li Zhang, Su You, Ming Zuo, Qing Yang
Uniform four-coordinate nonequilibrium MnS nanowires mainly in zincblende structure, other than the stable rock-salt phase, are reported for the first time. The MnS nanowires are grown via a solution-solid-solid model from the reaction of a Mn(II) source with dibenzyl disulfide in oleylamine at 180-200 °C catalyzed by Ag2S nanocrystals in a body-centered cubic (bcc) fast-ionic phase transformed from their low-temperature monoclinic form. Investigations show that most of the zincblende MnS nanowires are grown along the ⟨112⟩ zone axis but a small proportion grow along the ⟨111⟩ZB/⟨0001⟩Wur axis with zincblende/defect-section and/or wurtzite/defect-section superlattices connected with the stems along the ⟨112⟩ direction...
July 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28658782/unusually-detected-anti-m-antibody-presenting-as-cross-match-incompatibility-in-a-female-child-diagnosed-with-small-round-cell-tumour
#10
Sheetal Anand Chandak, Aruna Vishwanath Vanikar
MNS antigen system is one of the human blood group systems. Anti-M antibody is a relatively common, naturally occurring antibody of IgM variety. Clinically significant anti-M antibody is reactive at 37°C in the anti-human globulin phase due to high thermal amplitude of IgM component or presence of IgG component. If anti-M antibody is activated at 37°C or in the anti-human globulin phase, it may cause delayed haemolytic transfusion reactions or haemolytic disease of newborn, which suggest variable clinical significance...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28645642/ngs-and-blood-group-systems-state-of-the-art-and-perspectives
#11
Y Fichou, C Férec
Molecular analysis, or genotyping, of genes involved in the expression of blood group antigens has been a standard strategy used in immunohaematology laboratories routinely. For the past ten years, next-generation sequencing (NGS), or second-generation sequencing, has become the reference method in genetics. Extensive study of distinct targets, large genomic regions, and even whole genome is henceforth possible by this approach at minimal cost. Blood group genotyping has thus taken advantage of this technological advent...
June 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28645622/in-vivo-effects-of-knocking-down-metabotropic-glutamate-receptor-5-in-the-sod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis
#12
Tiziana Bonifacino, Luca Cattaneo, Elena Gallia, Aldamaria Puliti, Marcello Melone, Francesca Provenzano, Simone Bossi, Ilaria Musante, Cesare Usai, Fiorenzo Conti, Giambattista Bonanno, Marco Milanese
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disorder due to loss of upper and lower motor neurons (MNs). The mechanisms of neuronal death are largely unknown, thus prejudicing the successful pharmacological treatment. One major cause for MN degeneration in ALS is represented by glutamate(Glu)-mediated excitotoxicity. We have previously reported that activation of Group I metabotropic Glu receptors (mGluR1 and mGluR5) at glutamatergic spinal cord nerve terminals produces abnormal Glu release in the widely studied SOD1(G93A) mouse model of ALS...
June 21, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28642836/cultural-neuroscience-and-global-mental-health-addressing-grand-challenges
#13
Joan Y Chiao, Shu-Chen Li, Robert Turner, Su Yeon Lee-Tauler, Beverly A Pringle
Mental, neurological and substance-use (MNS) disorders comprise approximately 13% of the global burden of disease. The Grand Challenges in Global Mental Health Initiative has recently identified research priorities for the next decade to address prevention and treatment of MNS disorders. One main research priority is to identify the root causes, risks and protective factors associated with global mental health. Recent advances in cultural neuroscience have identified theoretical, methodological, and empirical methods of identifying biomarkers associated with mental health disorders across nations...
April 2017: Culture and Brain
https://www.readbyqxmd.com/read/28641519/neural-stem-cells-and-human-induced-pluripotent-stem-cells-to-model-rare-cns-diseases
#14
Lidia De Filippis, Cristina Zalfa, Daniela Ferrari
Despite the great effort spent over the last decades to unravel the pathological mechanisms underpinning the development of central nervous system disorders, most of them remain still unclear. In particular, the study of rare brain diseases is hurdled by the lack of post-mortem samples and of reliable epidemiological studies, thus the setting of in vitro modeling systems appears essential to dissect the puzzle of genetic and environmental alterations affecting neural cells viability and functionality The isolation and expansion in vitro of embryonic (ESC) and fetal neural stem cells (NSC) from human tissue has efficiently allowed to model several neurological diseases "in a dish" and has also provided a novel platform to test potential therapeutic strategies in a pre-clinical setting...
June 15, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28629896/randomized-phase-ii-study-of-preoperative-chemoradiotherapy-panitumumab-followed-by-consolidation-chemotherapy-in-potentially-operable-locally-advanced-stage-iiia-n2-non-small-cell-lung-cancer-nrg-oncology-rtog-0839
#15
Martin J Edelman, Chen Hu, Quynh-Thu Le, Jessica S Donington, Warren D D'Souza, Adam P Dicker, Billy W Loo, Elizabeth M Gore, Gregory M M Videtic, Nathaniel R Evans, Joseph W Leach, Maximilian Diehn, Steven J Feigenberg, Yuhchyau Chen, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: Multimodality therapy has curative potential in locally advanced non-small cell lung cancer (LASCLC). Mediastinal nodal sterilization (MNS) after induction chemoradiotherapy (CRT) can serve as an intermediate marker for efficacy. NRG Oncology RTOG 0229 demonstrated the feasibility and efficacy of combining full dose radiation (61.2Gy) with chemotherapy followed by resection and chemotherapy. Based upon that experience and evidence that epidermal growth factor receptor (EGFR) antibodies are radiosensitizing, we explored adding panitumumab to CRT followed by resection and consolidation chemotherapy in LANSCLC with a primary endpoint of MNS...
June 16, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28622300/the-als-linked-e102q-mutation-in-sigma-receptor-1-leads-to-er-stress-mediated-defects-in-protein-homeostasis-and-dysregulation-of-rna-binding-proteins
#16
Alice Dreser, Jan Tilmann Vollrath, Antonio Sechi, Sonja Johann, Andreas Roos, Alfred Yamoah, Istvan Katona, Saeed Bohlega, Dominik Wiemuth, Yuemin Tian, Axel Schmidt, Jörg Vervoorts, Marc Dohmen, Cordian Beyer, Jasper Anink, Eleonora Aronica, Dirk Troost, Joachim Weis, Anand Goswami
Amyotrophic lateral sclerosis (ALS) is characterized by the selective degeneration of motor neurons (MNs) and their target muscles. Misfolded proteins which often form intracellular aggregates are a pathological hallmark of ALS. Disruption of the functional interplay between protein degradation (ubiquitin proteasome system and autophagy) and RNA-binding protein homeostasis has recently been suggested as an integrated model that merges several ALS-associated proteins into a common pathophysiological pathway...
June 16, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28616022/therapeutic-opportunities-and-challenges-of-induced-pluripotent-stem-cells-derived-motor-neurons-for-treatment-of-amyotrophic-lateral-sclerosis-and-motor-neuron-disease
#17
REVIEW
Manoj Kumar Jaiswal
Amyotrophic lateral sclerosis (ALS) and motor neuron diseases (MNDs) are progressive neurodegenerative diseases that affect nerve cells in the brain affecting upper and lower motor neurons (UMNs/LMNs), brain stem and spinal cord. The clinical phenotype is characterized by loss of motor neurons (MNs), muscular weakness and atrophy eventually leading to paralysis and death due to respiratory failure within 3-5 years after disease onset. No effective treatment or cure is currently available that halts or reverses ALS and MND except FDA approved drug riluzole that only modestly slows the progression of ALS in some patients...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28614068/highly-efficient-one-step-synthesis-of-carbon-encapsulated-nanocrystals-by-the-oxidation-of-metal-%C3%AF-complexes
#18
Boyang Liu, Yingfeng Shao, Xin Xiang, Fuhua Zhang, Shengchang Yan, Wenge Li
Carbon encapsulated various nanocrystals, including MnS and MnO, Cr2O3, MoO2, Fe7S8 and Fe3O4, ZrO2, are one-step in-situ prepared by a common and simple synthesis approach, respectively. The nanocrystals have an equiaxed morphology and a median size smaller than 30 nm. Tens and hundreds of these nanocrystals are entirely encapsulated by the worm-like amorphous carbon shell. The formation of core-shell structure depends on the strongly exothermic reaction of metal π-complexes with ammonium persulfate in an autoclave below 200 oC...
June 14, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28604865/investigation-of-zinc-ion-storage-of-transition-metal-oxides-sulfides-and-borides-in-zinc-ion-battery-systems
#19
Wenbao Liu, Jianwu Hao, Chengjun Xu, Jian Mou, Liubing Dong, Fuyi Jiang, Zhuang Kang, Junlin Wu, Baozheng Jiang, Feiyu Kang
Zn-ion batteries have been widely investigated due to their low cost, high safety and eco-friendliness. We comprehensively evaluate the performance of oxides (MoO3, TiO2, and Fe3O4), sulfides (MoS2, WS2, and MnS) and borides (TiB2 and ZrB2) in zinc ion battery systems. It is found that MnS is a good alternative cathode material with a reversible capacity of 221 mA h g(-1), while the other materials show different behaviours.
June 22, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28600672/significant-reduction-in-procedure-duration-in-remote-magnetic-guided-catheter-ablation-of-atrial-fibrillation-using-the-third-generation-magnetic-navigation-system
#20
Tilman Maurer, Christian Sohns, Sebastian Deiss, Laura Rottner, Peter Wohlmuth, Bruno Reißmann, Christian H Heeger, Christine Lemes, Johannes Riedl, Francesco Santoro, Shibu Mathew, Andreas Metzner, Feifan Ouyang, Karl-Heinz Kuck, Erik Wissner
PURPOSE: The magnetic navigation system (MNS) has shown to be safe and effective for catheter ablation of atrial fibrillation (AF). However, longer procedure duration as compared to manual catheter ablation may limit its widespread use. This study aimed to assess the impact of the newest generation MNS using an optimized mapping and ablation protocol on the efficacy and safety of remote magnetic catheter (RMC)-guided pulmonary vein isolation (PVI). METHODS: This observational study included 52 patients with symptomatic AF who underwent RMC-guided PVI using the second-generation MNS Niobe II (initial 28 patients, group I) or the third-generation MNS Niobe ES in combination with an optimized mapping and ablation protocol (24 patients, group II)...
June 10, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
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