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https://www.readbyqxmd.com/read/28067464/analysis-of-six-neuro-enhancing-phenidate-analogs
#1
Helge Klare, Jörg M Neudörfl, Simon D Brandt, Elisabeth Mischler, Sigrid Meier-Giebing, Kathrin Deluweit, Folker Westphal, Tim Laussmann
Six collected phenidates, i.e. 4-methylmethylphenidate, 3,4-dichloromethylphenidate, ethylphenidate, 3,4-dichloroethylphenidate, ethylnaphthidate and N-benzyl-ethylphenidate were fully characterized by means of X-ray, NMR, GC-MS, ESI-MS(2) , ATR-FT-IR and GC solid-state IR analysis. Crystallography revealed the exclusive presence of the threo-configuration. Steric crowding induced by N-benzyl substitution at the piperidine moiety prompted an adoption of an unexpected axial positioning of substituents on the piperidine moiety in the crystal state as opposed to the exclusive equatorial positioning encountered in N-unsubstituted phenidate analogs...
January 9, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28059131/dioscin-relieves-endotoxemia-induced-acute-neuro-inflammation-and-protect-neurogenesis-via-improving-5-ht-metabolism
#2
Rui Yang, Wei Chen, Ye Lu, Yingke Li, Hongli Du, Songyan Gao, Xin Dong, Hongbin Yuan
Sepsis, in addition to causing fatality, is an independent risk factor for cognitive impairment among sepsis survivors. The pathologic mechanism of endotoxemia induced acute neuro-inflammation still has not been fully understood. For the first time, we found the disruption of neurotransmitters 5-HT, impaired neurogenesis and activation of astrocytes coupled with concomitant neuro-inflammation were the potential pathogenesis of endotoxemia induced acute neuro-inflammation in sepsis survivors. In addition, dioscin a natural steroidal saponin isolated from Chinese medicinal herbs, enhanced the serotonergic system and produced anti-depressant effect by enhancing 5-HT levels in hippocampus...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28057531/resting-state-brain-connectivity-patterns-before-eventual-relapse-into-cocaine-abuse
#3
M Berlingeri, D Losasso, A Girolo, E Cozzolino, T Masullo, M Scotto, M Sberna, G Bottini, E Paulesu
According to recent theories, drug addicted patients suffer of an impaired response inhibition and salience attribution (I-RISA) together with a perturbed connectivity between the nuclei accumbens (NAcs) and the orbito-prefrontal (oPFC) and dorsal prefrontal (dPFC) cortices, brain regions associated with motivation and cognitive control. To empirically test these assumptions, we evaluated the (neuro)psychological trait and the functional organization of the resting state brain networks associated with the NAcs in 18 former cocaine abusers (FCAs), while being in drug abstinence since 5 months...
January 2, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28048545/we-de-207a-04-advances-in-radiological-neuro-endovascular-interventional-imaging
#4
S Rudin
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048454/we-de-207a-00-advances-in-image-guided-neurointerventions-clinical-pull-and-technology-push
#5
Jeffrey Siewerdsen, Rebecca Fahrig
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047800/we-de-207a-01-parallels-in-the-evolution-of-x-ray-angiographic-systems-and-devices-used-for-minimally-invasive-endovascular-therapy
#6
C Strother
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047144/we-de-207a-02-advances-in-cone-beam-ct-anatomical-and-functional-imaging-in-angio-suite-to-enable-one-stop-shop-stroke-imaging-workflow
#7
G Chen
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046482/we-de-207a-03-recent-advances-in-devices-used-in-neuro-interventions
#8
M Gounis
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28041638/the-use-of-acupuncture-in-patients-with-parkinson-s-disease
#9
Fung Kei Cheng
Parkinson's disease, a progressive neuro-degeneration of multiple systems damaging motor and non-motor functions, affects individual and societal dimensions negatively. In addition to standard treatments, complementary and alternative medicine has been adopted, in which acupuncture, a traditional Chinese medical practice by needle penetration at specific stimulation points (acupoints) along the body, indicates positive outcomes in this illness. Apart from offering an overview of using acupuncture in Parkinson's disease, this literature review analyses the effects of acupuncture on Parkinson's-induced physical symptoms and mental problems such as slow movements, stiffness, constipation, and sleep disorders...
December 29, 2016: Geriatric Nursing
https://www.readbyqxmd.com/read/28039795/visuomotor-adaptability-in-older-adults-with-mild-cognitive-decline
#10
Jeffrey Schaffert, Chi-Mei Lee, Rebecca Neill, Jin Bo
The current study examined the augmentation of error feedback on visuomotor adaptability in older adults with varying degrees of cognitive decline (assessed by the Montreal Cognitive Assessment; MoCA). Twenty-three participants performed a center-out computerized visuomotor adaptation task when the visual feedback of their hand movement error was presented in a regular (ratio=1:1) or enhanced (ratio=1:2) error feedback schedule. Results showed that older adults with lower scores on the MoCA had less adaptability than those with higher MoCA scores during the regular feedback schedule...
December 28, 2016: Acta Psychologica
https://www.readbyqxmd.com/read/28039364/leptomeningeal-metastases-a-rano-proposal-for-response-criteria
#11
REVIEW
Marc Chamberlain, Larry Junck, Dieta Brandsma, Riccardo Soffietti, Roberta Rudà, Jeffrey Raizer, Willem Boogerd, Sophie Taillibert, Morris D Groves, Emilie Le Rhun, Julie Walker, Martin van den Bent, Patrick Y Wen, Kurt A Jaeckle
Leptomeningeal metastases (LM) currently lack standardization with respect to response assessment. A Response Assessment in Neuro-Oncology (RANO) working group with expertise in LM developed a consensus proposal for evaluating patients treated for this disease. Three basic elements in assessing response in LM are proposed: a standardized neurological examination, cerebral spinal fluid (CSF) cytology or flow cytometry, and radiographic evaluation. The group recommends that all patients enrolling in clinical trials undergo CSF analysis (cytology in all cancers; flow cytometry in hematologic cancers), complete contrast-enhanced neuraxis MRI, and in instances of planned intra-CSF therapy, radioisotope CSF flow studies...
December 29, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/28028734/galectin-1-reduces-neuroinflammation-via-modulation-of-nitric-oxide-arginase-signaling-in-hiv-1-transfected-microglia-a-gold-nanoparticle-galectin-1-nanoplex-a-possible-neurotherapeutic
#12
Ravikumar Aalinkeel, Courtney S Mangum, Eliane Abou-Jaoude, Jessica L Reynolds, Maixian Liu, Karin Sundquist, Neil U Parikh, Lee D Chaves, Manoj J Mammen, Stanley A Schwartz, Supriya D Mahajan
Galectins are a family of β-galactoside-binding lectins that are important modulators of homeostasis in the central nervous system (CNS). Galectin-1 is a pivotal regulator of microglia activation that alters the immune balance from neurodegeneration to neuroprotection and could have therapeutic relevance in HIV associated neurocognitive disorders (HAND). We have previously shown that galectin-1 treatment decreased oxidative stress in microglia and hypothesize that the mechanism underlying this phenomenon is the cross regulatory interactions between Nitric oxide (NO) and Arginase I activity in microglia...
December 27, 2016: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28019696/crmp4-inhibits-bone-formation-by-negatively-regulating-bmp-and-rhoa-signaling
#13
Basem M Abdallah, Florence Figeac, Kenneth H Larsen, Nicholas Ditzel, Pankaj Keshari, Adiba Isa, Abbas Jafari, Thomas L Andersen, Jean-Marie Delaisse, Yoshio Goshima, Toshio Ohshima, Moustapha Kassem
We identified the neuro-protein CRMP4 (collapsing response mediator protein-4) as a non-canonical osteogenic factor that regulating the differentiation of mouse bone marrow skeletal stem cells (bone marrow stromal stem cells, mBMSCs) into osteoblastic cells. CRMP4 is the only member of the CRMP 1-5 family to be expressed by mBMSCs and in osteoprogenitors of both adult mouse and human bones. In vitro gain and loss function of CRMP4 in murine stromal cells revealed its inhibitory effect on osteoblast differentiation...
December 26, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28009439/sudan-black-a-fast-easy-and-non-toxic-method-to-assess-myelin-repair-in-demyelinating-diseases
#14
Benjamin V Ineichen, Oliver Weinmann, Nicolas Good, Patricia Plattner, Carla Wicki, Elisabeth J Rushing, Michael Linnebank, Martin E Schwab
AIMS: The search for novel drugs that enhance myelin repair in entities such as multiple sclerosis has top priority in neurological research, not least because remyelination can hinder further neurodegeneration in neuro-inflammatory conditions. Recently, several new compounds with the potential to boost remyelination have been identified using high-throughput in vitro screening methods. However, assessing their potential to enhance remyelination in vivo using plastic embedded semi-thin sections or electron microscopy, even though being the gold standard for assessing remyelination, is toxic, extremely time-consuming, and expensive...
December 23, 2016: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/28003484/a-potential-role-for-a-%C3%AE-catenin-coactivator-high-mobility-group-at-hook-1-protein-during-the-latency-reactivation-cycle-of-bovine-herpesvirus-1
#15
Liqian Zhu, Aspen Workman, Clinton Jones
: The latency-related (LR)-RNA encoded by bovine herpes virus 1 (BoHV-1) is abundantly expressed in latently infected sensory neurons. Although the LR gene encodes several products, ORF2 appears to mediate important steps during the latency-reactivation cycle because a mutant virus containing stop codons at the amino-terminus of ORF2 does not reactivate from latency in calves. We recently found that the Wnt/β-catenin signaling pathway is regulated during the BoHV-1 latency-reactivation cycle (Liu et al...
December 21, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27986221/modulating-the-paracellular-pathway-at-the-blood-brain-barrier-current-and-future-approaches-for-drug-delivery-to-the-cns
#16
REVIEW
Eoin O'Keeffe, Matthew Campbell
The blood-brain barrier (BBB) is the tightly regulated point of entry by which any neuro-targeting therapy must pass through. BBB modulation is a means to loosen the size exclusion properties of the barrier by temporarily interfering with the formation of intercellular tight junction (TJ) or adheren junction (AJ) complexes, allowing for diffusion of small molecule therapeutics from blood to brain. Several technologies, such as RNAi, peptidomimetics, high frequency ultrasound and nanoparticles, have been developed and refined over the years, paving the way for barrier modulation to become an effective part of conventional central nervous system therapies...
June 2016: Drug Discovery Today. Technologies
https://www.readbyqxmd.com/read/27984537/18f-fcho-pet-and-mri-for-the-prediction-of-response-in-glioblastoma-patients-according-to-the-rano-criteria
#17
Julie Bolcaen, Marjan Acou, Tom Boterberg, Christian Vanhove, Filip De Vos, Caroline Van den Broecke, Roel Van Holen, Karel Deblaere, Ingeborg Goethals
PURPOSE: In this study, we investigated fluorine-18 fluoromethylcholine (F-FCho) PET and contrast-enhanced MRI for predicting therapy response in glioblastoma (GB) patients according to the Response Assessment in Neuro-Oncology criteria. Our second aim was to investigate which imaging modality enabled prediction of treatment response first. MATERIALS AND METHODS: Eleven GB patients who underwent no surgery or debulking only and received concomitant radiation therapy (RT) and temozolomide were included...
December 14, 2016: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/27980107/niclosamide-inhibits-oxaliplatin-neurotoxicity-while-improving-colorectal-cancer-therapeutic-response
#18
Olivier Cerles, Evelyne Benoit, Christiane Chéreau, Sandrine Chouzenoux, Florence Morin, Marie-Anne Guillaumot, Romain Coriat, Niloufar Kavian, Thomas Loussier, Pietro Santulli, Louis Marcellin, Nathaniel E B Saidu, Bernard Weill, Frederic Batteux, Carole Nicco
Neuropathic pain is a limiting-factor of platinum-based chemotherapies. We sought to investigate the neuroprotective potential of niclosamide in peripheral neuropathies induced by oxaliplatin. Normal neuron-like and cancer cells were treated in vitro with oxaliplatin associated or not with an inhibitor of STAT3 and NF-кB, niclosamide. Cell production of reactive oxygen species and viability were measured by 2',7'-dichlorodihydrofluorescein diacetate and crystal violet. Peripheral neuropathies were induced in mice by oxaliplatin with or without niclosamide...
December 15, 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27973691/effects-of-diet-and-insulin-on-dopamine-transporter-activity-and-expression-in-rat-caudate-putamen-nucleus-accumbens-and-midbrain
#19
Kymry T Jones, Catherine Woods, Juan Zhen, Tamara Antonio, Kenneth Carr, Maarten E A Reith
Food restriction (FR) and obesogenic (OB) diets are known to alter brain dopamine transmission and exert opposite modulatory effects on behavioral responsiveness to psychostimulant drugs of abuse. Mechanisms underlying these diet effects are not fully understood. In the present study we examined diet effects on expression and function of the dopamine transporter (DAT) in caudate-putamen (CPu), nucleus accumbens (NAc), and midbrain regions. DA uptake by CPu, NAc or midbrain synapto(neuro)somes was measured in vitro with rotating disk electrode voltammetry or with [(3) H]DA uptake and was found to correlate with DA transporter (DAT) surface expression, assessed by maximal [(3) H]CFT binding and surface biotinylation assays...
December 14, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27939389/synthesis-of-silica-pamam-dendrimer-nanoparticles-as-promising-carriers-in-neuro-blastoma-cells
#20
Ozlem Yesil-Celiktas, Cansu Pala, E Oyku Cetin-Uyanikgil, Canan Sevimli-Gur
Mesoporous silica carriers are emerging as therapeutic drug delivery systems. The objective of this study was to develop a formulation for synthesizing silica-PAMAM dendrimer hybrid nanoparticles with sol-gel technique. Subsequently, black carrot anthocyanins were encapsulated and investigated for their capability in terms of inhibiting the proliferative effects of neuroblastoma (Neuro 2A). In this context, particle size distributions were ascertained followed by thermal analysis (DSC), scanning electron microscopy and encapsulation efficiency...
February 15, 2017: Analytical Biochemistry
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