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Neurological disorders

Ali A Asadi-Pooya, Kousuke Kanemoto, Oh-Young Kwon, Go Taniguchi, Zhou Dong, Yotin Chinvarun, Hsiang-Yu Yu, Aileen McGonigal, Andres Miguel Kanner, Sung-Pa Park
PURPOSE: The purpose of this review was to investigate the prevalence of depression in people with epilepsy (PWE) in different countries in Asia. METHODS: We searched the electronic database PubMed on June 13, 2017 for articles in English that included the following search terms: "epilepsy" AND "depression" AND "country name" for all Asian countries since 1947. Relevant original studies from Asia were included if they reported the prevalence of depression in PWE...
March 12, 2018: Seizure: the Journal of the British Epilepsy Association
Yun Wang, Qing-Jiang Pang, Jiang-Tao Liu, Hai-Hao Wu, Dong-Ying Tao
MicroRNAs play a crucial role in the progression of spinal cord ischemia/reperfusion injury (SCII). The role of miR-448 and SIRT1 in SCII was investigated in this study, to provide further insights into prevention and improvement of this disorder. In this study, expressions of miR-448 and SIRT1 protein were determined by qRT-PCR and western blot, respectively. Flow cytometry was used to analyze cell apoptosis. The endogenous expression of genes was modulated by recombinant plasmids and cell transfection. Dual-luciferase reporter assay was performed to determine the interaction between miR-448 and SIRT1...
March 15, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Pradipta Ray, Andrew Torck, Lilyana Quigley, Andi Wangzhou, Matthew Neiman, Chandranshu Rao, Tiffany Lam, Ji-Young Kim, Tae Hoon Kim, Michael Q Zhang, Gregory Dussor, Theodore J Price
Molecular neurobiological insight into human nervous tissues is needed to generate next generation therapeutics for neurological disorders like chronic pain. We obtained human Dorsal Root Ganglia (DRG) samples from organ donors and performed RNA-sequencing (RNA-seq) to study the human DRG (hDRG) transcriptional landscape, systematically comparing it with publicly available data from a variety of human and orthologous mouse tissues, including mouse DRG (mDRG). We characterized the hDRG transcriptional profile in terms of tissue-restricted gene co-expression patterns and putative transcriptional regulators, and formulated an information-theoretic framework to quantify DRG enrichment...
March 20, 2018: Pain
Yuet-Kin Leung, Bin Ouyang, Liang Niu, Changchun Xie, Jun Ying, Mario Medvedovic, Aimin Chen, Pal Weihe, Damaskini Valvi, Philippe Grandjean, Shuk-Mei Ho
Faroe islanders consume marine foods contaminated with methylmercury (MeHg), polychlorinated biphenyls (PCBs), and other toxicants associated with chronic disease risks. Differential DNA methylation at specific CpG sites in cord blood may serve as a surrogate biomarker of health impacts from chemical exposures. We aimed to identify key environmental chemicals in cord blood associated with DNA methylation changes in a population with elevated exposure to chemical mixtures. We studied 72 participants of a Faroese birth cohort recruited between 1986 and 1987 and followed until adulthood...
March 21, 2018: Epigenetics: Official Journal of the DNA Methylation Society
Maria Del Mar Amador, Marion Masingue, Rabab Debs, Foudil Lamari, Vincent Perlbarg, Emmanuel Roze, Bertrand Degos, Fanny Mochel
BACKGROUND: Cerebrotendinous xanthomatosis (CTX) is a rare neurodegenerative disease related to sterols metabolism. It affects both central and peripheral nervous systems but treatment with chenodeoxycholic acid (CDCA) has been reported to stabilize clinical scores and improve nerve conduction parameters. Few quantitative brain structural studies have been conducted to assess the effect of CDCA in CTX. METHODS AND RESULTS: We collected retrospectively clinical, neurophysiological, and quantitative brain structural data in a cohort of 14 patients with CTX treated by CDCA over a mean period of 5 years...
March 20, 2018: Journal of Inherited Metabolic Disease
Kate Duhig, Brooke Vandermolen, Andrew Shennan
Pre-eclampsia is a leading cause of maternal mortality, responsible annually for over 60,000 maternal deaths around the globe. Pre-eclampsia is a multisystem disease featuring hypertension, proteinuria, and renal, hepatic, and neurological involvement. Diagnosis is often elusive, as clinical presentation is highly variable. Even those with severe disease can remain asymptomatic. Angiogenic factors are emerging as having a role in the diagnosis of pre-eclampsia and in prognostication of established disease. In this article, we summarize new developments and focus on angiogenic biomarkers for prediction of disease onset...
2018: F1000Research
Dhrubajyoti Chowdhury, Johannes W Hell
The ability of neurons and circuits to maintain their excitability and activity levels within the appropriate dynamic range by homeostatic mechanisms is fundamental for brain function. Neuronal hyperactivity, for instance, could cause seizures.  One such homeostatic process is synaptic scaling, also known as synaptic homeostasis. It involves a negative feedback process by which neurons adjust (scale) their postsynaptic strength over their whole synapse population to compensate for increased or decreased overall input thereby preventing neuronal hyper- or hypoactivity that could otherwise result in neuronal network dysfunction...
2018: F1000Research
Martin Klietz, Amelie Tulke, Lars H Müschen, Lejla Paracka, Christoph Schrader, Dirk W Dressler, Florian Wegner
Background: Parkinson's disease (PD) is the second most frequent neurodegenerative disease of the elderly. Patients suffer from various motor and non-motor symptoms leading to reduced health-related quality of life (HRQOL) and an increased mortality. Their loss of autonomy due to dementia, psychosis, depression, motor impairments, falls, and swallowing deficits defines a phase when palliative care interventions might help to sustain or even improve quality of life. Objective: The aim of this study was to investigate the current status of palliative care implementation and quality of life in a local cohort of advanced PD patients in order to frame and improve future care...
2018: Frontiers in Neurology
Jordi Boix, Daniela von Hieber, Bronwen Connor
Computer-supported gait analysis has proven to be effective for the comprehensive assessment of gait changes in rodent models of neurodegenerative and neurological disorders. However, full characterization of individual gait parameters is required for specific neurological or neurodegenerative disorders such as Parkinson's disease (PD). Gait disturbances in particular present as the most constraining set of symptoms in PD, finally depriving patients from most activities of normal daily living. In this study, we have characterized the gait pattern abnormalities observed in two rat models of PD: the medial forebrain bundle (MFB) 6-OHDA lesion model and the striatal 6-OHDA lesion model...
2018: Frontiers in Behavioral Neuroscience
Robin Cloarec, Sylvian Bauer, Natacha Teissier, Fabienne Schaller, Hervé Luche, Sandra Courtens, Manal Salmi, Vanessa Pauly, Emilie Bois, Emilie Pallesi-Pocachard, Emmanuelle Buhler, François J Michel, Pierre Gressens, Marie Malissen, Thomas Stamminger, Daniel N Streblow, Nadine Bruneau, Pierre Szepetowski
Congenital cytomegalovirus (CMV) infections represent one leading cause of neurodevelopmental disorders. Recently, we reported on a rat model of CMV infection of the developing brain in utero , characterized by early and prominent infection and alteration of microglia-the brain-resident mononuclear phagocytes. Besides their canonical function against pathogens, microglia are also pivotal to brain development. Here we show that CMV infection of the rat fetal brain recapitulated key postnatal phenotypes of human congenital CMV including increased mortality, sensorimotor impairment reminiscent of cerebral palsy, hearing defects, and epileptic seizures...
2018: Frontiers in Cellular Neuroscience
Duygu Ferek Emir, Ibrahim Ulas Ozturan, Serkan Yilmaz
INTRODUCTION: Alpha lipoic acid (ALA) is a potent antioxidant used to treat a variety of disorders. Although ALA is considered a very safe supplement and intoxication is very rare, acute high-dose ingestions can cause mortality. In this report, we discuss a very rare case of ALA intoxication to increase awareness of this issue. CASE REPORT: A 22-year-old female was referred to our emergency department with ALA intoxication after ingesting a total of 18g of ALA with a suicidal intention...
March 13, 2018: American Journal of Emergency Medicine
Trine Printz, Camilla Slot Mehlum, Gohar Nikoghosyan-Bossen
Childhood apraxia of speech and oral dyspraxia are subtypes of dyspraxia: a neurological motor disorder with absence of neuromuscular deficits. The core impairment is in planning and/or programming spatiotemporal parameters of movement sequences, which results in errors in speech sound production and prosody, or in oral motor movements and gestures. Correct diagnostics and focus on differential diagnoses and co-morbidity are crucial, as treatment differs from other types of speech- and oral motor disorders...
March 19, 2018: Ugeskrift for Laeger
Sabato Santaniello, John T Gale, Sridevi V Sarma
Over the last 30 years, deep brain stimulation (DBS) has been used to treat chronic neurological diseases like dystonia, obsessive-compulsive disorders, essential tremor, Parkinson's disease, and more recently, dementias, depression, cognitive disorders, and epilepsy. Despite its wide use, DBS presents numerous challenges for both clinicians and engineers. One challenge is the design of novel, more efficient DBS therapies, which are hampered by the lack of complete understanding about the cellular mechanisms of therapeutic DBS...
March 20, 2018: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
Marcele F Bastos, Ana Carolina A V Kayano, João Luiz Silva-Filho, João Conrado K Dos-Santos, Carla Judice, Yara C Blanco, Nathaniel Shryock, Michelle K Sercundes, Luana S Ortolan, Carolina Francelin, Juliana A Leite, Rafaella Oliveira, Rosa M Elias, Niels O S Câmara, Stefanie C P Lopes, Letusa Albrecht, Alessandro S Farias, Cristina P Vicente, Claudio C Werneck, Selma Giorgio, Liana Verinaud, Sabrina Epiphanio, Claudio R F Marinho, Pritesh Lalwani, Rogerio Amino, Julio Aliberti, Fabio T M Costa
Cerebral malaria (CM) is a multifactorial syndrome involving an exacerbated proinflammatory status, endothelial cell activation, coagulopathy, hypoxia, and accumulation of leukocytes and parasites in the brain microvasculature. Despite significant improvements in malaria control, 15% of mortality is still observed in CM cases, and 25% of survivors develop neurologic sequelae for life-even after appropriate antimalarial therapy. A treatment that ameliorates CM clinical signs, resulting in complete healing, is urgently needed...
March 20, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Sima Afschar-Hamdi, Klaus Schepker
Coercive Measures in Child and Adolescent Psychiatry in Post-war Germany, Using the Example of the "Pflege- und Beobachtungsstation" in the State Psychiatric Hospital Weissenau (1951-1966) The patient admissions at the children's ward of the State Psychiatric Hospital Weissenau in the years 1951, 1956, 1961 and 1966 were analyzed regarding documented coercive measures. Shortage of staff, mainly inadequately skilled personnel, a mixing of age groups in the patient cohort, neurological and psychiatric disorders and of patients who were in need of nursing and of those who needed treatment constituted the general work environment...
September 2017: Praxis der Kinderpsychologie und Kinderpsychiatrie
Stefan Bröer
Amino acids perform a variety of functions in cells and organisms, particularly in the synthesis of proteins, as energy metabolites, neurotransmitters, and precursors for many other molecules. Amino acid transport plays a key role in all these functions. Inhibition of amino acid transport is pursued as a therapeutic strategy in several areas, such as diabetes and related metabolic disorders, neurological disorders, cancer, and stem cell biology. The role of amino acid transporters in these disorders and processes is well established, but the implementation of amino acid transporters as drug targets is still in its infancy...
April 2018: SLAS Discovery
Beata Peplonska, Mariusz Berdynski, Monika Mandecka, Anna Barczak, Magdalena Kuzma-Kozakiewicz, Maria Barcikowska, Cezary Zekanowski
Activation of the TREM2 receptor on microglia stimulates phagocytosis and decreases the microglial proinflammatory response. Mutations in exon 2 of the TREM2 gene have been reported to be associated with various neurodegenerative diseases characterized by chronic inflammation. The aim of our study was to evaluate exon 2 of TREM2 gene variants as a putative genetic risk factor for Alzheimer's disease (AD), frontotemporal dementia (FTD), and amyotrophic lateral sclerosis (ALS) in the Polish population. The results were interpreted using previously published data, especially highlighting differences in the prevalence of the variants among Caucasian subpopulations across different geographic regions...
March 20, 2018: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
Satoshi Nobusako, Ayami Sakai, Taeko Tsujimoto, Takashi Shuto, Yuki Nishi, Daiki Asano, Emi Furukawa, Takuro Zama, Michihiro Osumi, Sotaro Shimada, Shu Morioka, Akio Nakai
The neurological basis of developmental coordination disorder (DCD) is thought to be deficits in the internal model and mirror-neuron system (MNS) in the parietal lobe and cerebellum. However, it is not clear if the visuo-motor temporal integration in the internal model and automatic-imitation function in the MNS differs between children with DCD and those with typical development (TD). The current study aimed to investigate these differences. Using the manual dexterity test of the Movement Assessment Battery for Children (second edition), the participants were either assigned to the probable DCD (pDCD) group or TD group...
2018: Frontiers in Neurology
Lucia Margari, Roberto Palumbi, Paola A Lecce, Francesco Craig, Marta Simone, Mariella Margari, Silvana M C Seccia, Maura Buttiglione
Headache is one of the most common neurological disorders in developmental age. Several studies investigated the relationship between headache and emotional/behavioral problems. We studied non-verbal cognitive abilities, including non-verbal memory and attention skills, in order to evaluate the impact of primary headache on these domains. The latest version of the cognitive battery Leiter International Performance Scale - Third Edition (Leiter-3), a non-verbal test, was administered to 35 children and adolescents affected by migraine or tension-type headache and to 23 healthy subjects...
2018: Frontiers in Neurology
Xinshen Li, Jianhua Peng, Jinwei Pang, Yue Wu, Xueping Huang, Yong Li, Jian Zhou, Long Gu, Xiaochuan Sun, Ligang Chen, Michael P Vitek, Yong Jiang
COG1410, a mimetic peptide derived from the apolipoprotein E (apoE) receptor binding region, exerts positive effect on neurological deficits in early brain injury (EBI) after experimental subarachnoid hemorrhage (SAH). Currently the neuroprotective effect of COG1410 includes inhibiting BBB disruption, reducing neuronal apoptosis, and neuroinflammation. However, the effect and mechanism of COG1410 to subcellular organelles disorder have not been fully investigated. As the main pathway for recycling long-lived proteins and damaged organelles, neuronal autophagy is activated in SAH and exhibits neuroprotective effects by reducing the insults of EBI...
2018: Frontiers in Neuroscience
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