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https://www.readbyqxmd.com/read/28927234/metabolic-profiling-of-central-nervous-system-disease-in-trypanosoma-brucei-rhodesiense-infection
#1
Sabrina D Lamour, Vincent P Alibu, Elaine Holmes, Jeremy M Sternberg
Background: The progression of Human African Trypanosomiasis from the early hemolymphatic stage to the late meningoencephalitic stage is of critical diagnostic importance as it determines the choice of potentially toxic drug regimens. Current diagnostic criteria involving analysis of cerebrospinal fluid (CSF) for parasites and/or pleiocytosis are sensitive, but recent evidence suggests that specificity may be poor. Methods: We used an untargeted global metabolic profiling approach for the discovery of novel candidate stage diagnostic markers in CSF from Trypanosoma brucei rhodesiense patients using 1H nuclear magnetic resonance (NMR) spectroscopy...
September 12, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28927153/clinicoradiological-characteristics-management-and-prognosis-of-primary-myeloid-sarcoma-of-the-central-nervous-system-a-report-of-four-cases
#2
Bao Yang, Chenlong Yang, Jingyi Fang, Jun Yang, Yulun Xu
Myeloid sarcoma (MS) is a localized tumor composed of premature precursors of granulocytic cells, which may occur in any organ and most commonly involves the soft tissue and musculoskeletal system. This malignancy may occur in the presence or absence of hematological disorders. Primary MS involving the central nervous system (CNS-MS) is rare, and has only been described in a small number of isolated case reports. The diagnosis of CNS-MS is challenging and strategies for its management are undefined. The present study describes 4 cases of CNS-MS...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927047/msk1-downregulation-is-associated-with-neuronal-and-astrocytic-apoptosis-following-subarachnoid-hemorrhage-in-rats
#3
Bo Ning, Geng Guo, Hong Liu, Lei Ning, Bao-Liang Sun, Zhen Li, Shuo Wang, Zheng-Wen Lv, Cun-Dong Fan
MSK (mitogen- and stress-activated protein kinase) proteins are a family of mitogen-activated protein kinases. MSKs represent a novel type of pro-survival genes, potentially enhancing the phosphorylation of Bcl2-associated agonist of cell death. However, MSK's function and expression are poorly understood in the central nervous system. In the present study, a subarachnoid hemorrhage (SAH) model was established in SD rats and the expression of MSK1 in the brain subsequent to experimental SAH was investigated...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926844/atypical-presentation-of-a-pediatric-cerebellar-ganglioglioma
#4
Richard Bram, Roberta J Seidman, David Chesler
BACKGROUND/AIMS: Gangliogliomas (GGs) are rare central nervous system tumors occurring primarily in the supratentorial compartment with infratentorial instances most often involving the brain stem. Infratentorial GGs typically present with signs and symptoms of increased intracranial pressure (ICP), cranial nerve deficits, or focal cerebellar findings; rarely, these tumors have been associated with focal seizures. METHODS: In this report, we describe an atypical presentation of a cerebellar GG in a 20-month-old male who initially presented with syncope and emesis in the absence of electrographic evidence of seizures, radiographic evidence of hydrocephalus, or elevated ICP...
September 20, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28926794/depression-recognition-according-to-heart-rate-variability-using-bayesian-networks
#5
Danni Kuang, Rongqian Yang, Xiuwen Chen, Guohui Lao, Fengchun Wu, Xiong Huang, Ruixue Lv, Lei Zhang, Chuanxu Song, Shanxing Ou
BACKGROUND: Doctors mainly use scale tests and subjective judgment in the clinical diagnosis of depression. Researches have demonstrated that depression is associated with the dysfunction of the autonomic nervous system (ANS), where its modulation can be evaluated by heart rate variability (HRV). Depression patients have lower HRV than healthy subjects. Therefore, HRV may be used to distinguish depression patients from healthy people. METHODS: HRV signals were collected from 76 female subjects composed of 38 depression patients and 38 healthy people...
September 11, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28926760/laminin-%C3%AE-5-substrates-promote-survival-network-formation-and-functional-development-of-human-pluripotent-stem-cell-derived-neurons-in-vitro
#6
Anu Hyysalo, Mervi Ristola, Meeri E-L Mäkinen, Sergei Häyrynen, Matti Nykter, Susanna Narkilahti
Laminins are one of the major protein groups in the extracellular matrix (ECM) and specific laminin isoforms are crucial for neuronal functions in the central nervous system in vivo. In the present study, we compared recombinant human laminin isoforms (LN211, LN332, LN411, LN511, and LN521) and laminin isoform fragment (LN511-E8) in in vitro cultures of human pluripotent stem cell (hPSC)-derived neurons. We showed that laminin substrates containing the α5-chain are important for neuronal attachment, viability and network formation, as detected by phase contrast imaging, viability staining, and immunocytochemistry...
September 12, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28926740/immunomodulation-in-multiple-sclerosis-promises-and-pitfalls
#7
REVIEW
Calliope A Dendrou, Lars Fugger
Multiple sclerosis (MS) afflicts about 2.5 million people globally and poses a major personal and socioeconomic burden. The recognition of MS as an inflammatory disease, characterized by infiltration of immune cells into the central nervous system, has spurred research into the autoimmune etiology of the condition and has provided the rationale for its treatment through immunomodulation. Experience with immunotherapies in MS to date has suggested a disparity between the observed immune cell infiltration and the progressive loss of neurons...
September 16, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28926690/erratum-de-b-kinnaman-md-wexler-lh-kramer-k-wolden-sl-central-nervous-system-relapse-of-rhabdomyosarcoma-pediatr-blood-cancer-2017-https-doi-org-10-1002-pbc-26710
#8
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28926625/defining-the-molecular-basis-of-interaction-between-r3-receptor-type-protein-tyrosine-phosphatases-and-ve-cadherin
#9
Olga Dorofejeva, Alastair J Barr
Receptor-type protein tyrosine phosphatases (RPTPs) of the R3 subgroup play key roles in the immune, vascular and nervous systems. They are characterised by a large ectodomain comprising multiple FNIII-like repeats, a transmembrane domain, and a single intracellular phosphatase domain. The functional role of the extracellular region has not been clearly defined and potential roles in ligand interaction, dimerization, and regulation of cell-cell contacts have been reported. Here bimolecular fluorescence complementation (BiFC) in live cells was used to examine the molecular basis for the interaction of VE-PTP with VE-cadherin, two proteins involved in endothelial cell contact and maintenance of vascular integrity...
2017: PloS One
https://www.readbyqxmd.com/read/28926622/a-high-mitochondrial-transport-rate-characterizes-cns-neurons-with-high-axonal-regeneration-capacity
#10
Romain Cartoni, Gulcin Pekkurnaz, Chen Wang, Thomas L Schwarz, Zhigang He
Improving axonal transport in the injured and diseased central nervous system has been proposed as a promising strategy to improve neuronal repair. However, the contribution of each cargo to the repair mechanism is unknown. DRG neurons globally increase axonal transport during regeneration. Because the transport of specific cargos after axonal insult has not been examined systematically in a model of enhanced regenerative capacity, it is unknown whether the transport of all cargos would be modulated equally in injured central nervous system neurons...
2017: PloS One
https://www.readbyqxmd.com/read/28926618/teneurin-2-presence-in-rat-and-human-odontoblasts
#11
K R Torres-da-Silva, G W L Tessarin, C A Dias, I Z Guiati, E Ervolino, A Gonçalves, I M Beneti, D A Lovejoy, C A Casatti
Teneurins are transmembrane proteins consisting of four paralogues (Ten-1-4), notably expressed in the central nervous system during development. All teneurins contain a bioactive peptide in their carboxyl terminal named teneurin C-terminal associated peptide (TCAP). The present study analyzed the detailed distribution of teneurin-2-like immunoreactive (Ten-2-LI) cells in developing and mature rat molar teeth, as well as in mature human dental pulps. Ten-2 and TCAP-2 genic expressions were also evaluated in rat and human dental pulps...
2017: PloS One
https://www.readbyqxmd.com/read/28926477/monoamine-and-neuropeptide-connections-significantly-alter-the-degree-distributions-of-the-caenorhabditis-elegans-connectome
#12
Tianxiao Huang, Yan Sun, Zheng Zhang, Shixiong Deng, Rui Peng
To understand the behaviors of an individual, it is crucial to understand the neural connections of the nervous system, that is, the connectome. The hermaphrodite Caenorhabditis elegans connectome has served as a prototype for analytical studies since the chemical synapses and gap junctions among the 302 neurons were completely mapped. Recently, monoamine (MA) and neuropeptide (NP) connections were established, which form a multilayer connectome in conjunction with chemical synapses and gap junctions. In this study, we investigated the difference in the in-degree and out-degree distributions, respectively, among the connectomes with and without MA and NP connections...
September 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/28926419/peduncular-hallucinosis-and-autonomic-dysfunction-in-anti-aquaporin-4-antibody-syndrome
#13
Renee Berry, Peter K Panegyres
Neuromyelitis optica is a rare, severe inflammatory demyelinating disease of the central nervous system, previously described as affecting only the optic nerve and spinal cord. Since the discovery of a highly specific autoantibody, anti-aquaporin-4, lesions are now recognized outside these regions. We report a man with severe, debilitating symptoms resulting from a symptomatic lesion within the diencephalon, manifesting with abnormal circadian rhythms, autonomic dysfunction, behavioral disturbance, and complex visual hallucinations...
September 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28926353/randomized-double-blind-placebo-and-active-comparator-controlled-crossover-study-evaluating-the-abuse-potential-of-the-antiepileptic-drug-lacosamide-in-healthy-recreational-drug-users
#14
Kerri A Schoedel, Jens-Otto Andreas, Pamela Doty, Klaus Eckhardt, Edward M Sellers
PURPOSE: This phase 1, randomized, double-blind, placebo- and active comparator-controlled crossover study assessed the abuse potential of the antiepileptic drug, lacosamide. METHODS: After a qualification phase, 38 healthy, recreational central nervous system-depressant users were randomized to treatment sequences comprising single oral therapeutic (200 mg) and supratherapeutic (800 mg) doses of lacosamide, alprazolam (1.5 and 3 mg), and placebo. Subjective effects were assessed for 24 hours following each dose using a range of scales, with a 5- to 9-day washout between treatments...
September 18, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28925890/the-use-of-hemodynamic-and-cerebral-monitoring-to-study-pharmacodynamics-in-neonates
#15
A Smits, L Thewissen, A Dereymaeker, E Dempsey, A Caicedo, Gunnar Naulaers
BACKGROUND: Drugs acting on the cardiovascular and central nervous system often display relatively fast clinical responses, which may differ in neonates compared to children and adults. Introduction of bedside monitoring tools might be of additional value in the pharmacodynamic (PD) assessment of such drugs in neonates. METHODS: We aim to provide an overview of the frequently used monitoring tools to assess drug effects on the hemodynamic status as well as the cerebral circulation, oxygenation and cerebral metabolism in neonates...
September 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28925569/prescribing-errors-intercepted-by-pharmacist-intervention-in-care-of-patients-hospitalised-with-breast-and-gynaecological-cancer-at-a-brazilian-teaching-hospital
#16
A C Ferracini, A T Rodrigues, A A de Barros, S F Derchain, P G Mazzola
Oncologic inpatients often require multiple drug therapy. They may be at higher risk of experiencing prescribing errors, which pharmacist interventions may help to avoid. This study aimed to evaluate the types of prescribing errors, pharmaceutical interventions and differences in clinical significance, in prescriptions for hospitalised patients with breast and gynaecological cancer. A cross-sectional, prospective study was conducted at the oncology ward of a clinic specialised in breast and gynaecology cancer...
September 19, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28925029/loss-of-gas6-and-axl-signaling-results-in-extensive-axonal-damage-motor-deficits-prolonged-neuroinflammation-and-less-remyelination-following-cuprizone-exposure
#17
Alex K Ray, Juwen C DuBois, Ross C Gruber, Hillary M Guzik, Maria E Gulinello, Geoffrey Perumal, Cedric Raine, Lauren Kozakiewicz, Julie Williamson, Bridget Shafit-Zagardo
The TAM (Tyro3, Axl, and MerTK) family of receptor tyrosine kinases (RTKs) and their ligands, Gas6 and ProS1, are important for innate immune responses and central nervous system (CNS) homeostasis. While only Gas6 directly activates Axl, ProS1 activation of Tyro3/MerTK can indirectly activate Axl through receptor heterodimerization. Therefore, we generated Gas6(-/-) Axl(-/-) double knockout (DKO) mice to specifically examine the contribution of this signaling axis while retaining ProS1 signaling through Tyro3 and MerTK...
September 19, 2017: Glia
https://www.readbyqxmd.com/read/28924920/age-dependent-alpha-synuclein-accumulation-and-phosphorylation-in-the-enteric-nervous-system-in-a-transgenic-mouse-model-of-parkinson-s-disease
#18
Chong-Bin Zhong, Qian-Qian Chen, Caroline Haikal, Wen Li, Alexander Svanbergsson, Meike Diepenbroek, Jia-Yi Li
The enteric nervous system (ENS) controls the function of the gastrointestinal tract and has been implicated in various diseases, including Parkinson's disease (PD). PD is a neurodegenerative disease with Lewy bodies (LBs) and Lewy neurites (LNs) as the main pathological features. In addition to the typical motor symptoms in PD, attention has been drawn to non-motor symptoms, such as constipation, implying dysfunction of the ENS. In the present study, we characterized the age-dependent morphological alterations and aggregation of α-synuclein (α-syn), the primary protein component in LBs and LNs, in the ENS in an α-syn transgenic mouse model...
September 18, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28924745/hypertonia-linked-protein-trak1-functions-with-mitofusins-to-promote-mitochondrial-tethering-and-fusion
#19
Crystal A Lee, Lih-Shen Chin, Lian Li
Hypertonia is a neurological dysfunction associated with a number of central nervous system disorders, including cerebral palsy, Parkinson's disease, dystonia, and epilepsy. Genetic studies have identified a homozygous truncation mutation in Trak1 that causes hypertonia in mice. Moreover, elevated Trak1 protein expression is associated with several types of cancers and variants in Trak1 are linked to childhood absence epilepsy in humans. Despite the importance of Trak1 in health and disease, the mechanisms of Trak1 action remain unclear and the pathogenic effects of Trak1 mutation are unknown...
September 18, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28924620/alteration-in-plasma-and-striatal-levels-of-d-serine-after-d-serine-administration-with-or-without-nicergoline-an-in-vivo-microdialysis-study
#20
Mayu Onozato, Hiromi Nakazawa, Katsuyuki Ishimaru, Chihiro Nagashima, Minori Fukumoto, Hitomi Hakariya, Tatsuya Sakamoto, Hideaki Ichiba, Takeshi Fukushima
AIMS: d-Serine (d-Ser), a co-agonist of N-methyl-d-aspartate receptor (NMDAR), is effective for treating schizophrenia. The present study investigated changes in plasma and striatal d-Ser levels in Sprague-Dawley (SD) rats after intraperitoneal d-Ser administration alone or together with nicergoline (Nic), a commercial cerebral ameliorating drug, using in vivo microdialysis (MD) to explore the function of Nic. MAIN METHODS: Phosphate-buffered saline (PBS) or Nic (0, 1...
September 2017: Heliyon
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