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https://www.readbyqxmd.com/read/28817076/spirulina-maxima-extract-prevents-neurotoxicity-via-promoting-activation-of-bdnf-creb-signaling-pathways-in-neuronal-cells-and-mice
#1
Eun-Jeong Koh, Young-Jin Seo, Jia Choi, Hyeon Yong Lee, Do-Hyung Kang, Kui-Jin Kim, Boo-Yong Lee
Spirulina maxima is a microalgae which contains flavonoids and other polyphenols. Although Spirulina maxima 70% ethanol extract (SM70EE) has diverse beneficial effects, its effects on neurotoxicity have not been fully understood. In this study, we investigated the neuroprotective effects of SM70EE against trimethyltin (TMT)-induced neurotoxicity in HT-22 cells. SM70EE inhibited the cleavage of poly-ADP ribose polymerase (PARP). Besides, ROS production was decreased by down-regulating oxidative stress-associated enzymes...
August 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28810448/traumatic-exposure-and-posttraumatic-stress-disorder-among-flood-victims-testing-a-multiple-mediating-model
#2
Lijuan Quan, Rui Zhen, Benxian Yao, Xiao Zhou
A total of 187 flood victims from Wuhu, a Chinese city affected most severely by a flood during July 2016, were selected to complete self-report measures of traumatic exposure, feelings of safety, fear, posttraumatic negative cognition, and posttraumatic stress disorder. The results found that traumatic exposure could directly predict posttraumatic stress disorder. Besides, traumatic exposure had indirect prediction on posttraumatic stress disorder through three ways, including a one-step path of negative self-cognition, a two-step path from feelings of safety to fear, and a three-step path from feelings of safety to negative self-cognition via fear...
May 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28803382/cortical-afferent-inhibition-abnormalities-reveal-cholinergic-dysfunction-in-parkinson-s-disease-a-reappraisal
#3
REVIEW
Raffaele Nardone, Francesco Brigo, Viviana Versace, Yvonne Höller, Frediano Tezzon, Leopold Saltuari, Eugen Trinka, Luca Sebastianelli
Parkinson's disease (PD) is a multisystem neurodegenerative disorder affecting, besides the dopaminergic function, multiple neurotransmission systems, including the cholinergic system. Central cholinergic circuits of human brain can be tested non-invasively by coupling peripheral nerve stimulation with transcranial magnetic stimulation (TMS) of motor cortex; this test is named short latency afferent inhibition (SAI). SAI abnormalities have been reported in PD patients with gait disturbances and many non-motor symptoms, such as visual hallucinations (VHs), REM sleep behavior disorder (RBD), dysphagia, and olfactory impairment...
August 12, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28763376/effects-of-task-language-and-second-language-proficiency-on-the-neural-correlates-of-phonemic-fluency-in-native-japanese-speakers-a-functional-near-infrared-spectroscopy-study
#4
Greggory J Wroblewski, Koji Matsuo, Keiko Hirata, Toshio Matsubara, Kenichiro Harada, Yoshifumi Watanabe, Koh Shinoda
Data collected during a phonemic fluency task (or 'FAS test'), a standard component of neuropsychological batteries for assessment of cognitive deficits, may be language-dependent and may differ depending on second-language proficiency. The unique orthographic/phonological system of the task language, and the reported cognitive advantages inherent to bilinguals, may each influence the task's neural correlates. However, language background is not currently assessed in most studies testing phonemic fluency. Here, we used 52-channel functional near-infrared spectroscopy in college-aged native-Japanese subjects to examine functional changes in oxygenated hemoglobin elicited during a phonemic fluency task performed in Japanese and in English...
July 31, 2017: Neuroreport
https://www.readbyqxmd.com/read/28733759/management-of-gait-changes-and-fall-risk-in-mci-and-dementia
#5
REVIEW
Gilles Allali, Joe Verghese
Gait disorders and falls are very prevalent in aging, especially in older adults with cognitive impairment: older adults with dementia are 2-3 times more likely to fall than their non-demented counterparts. The management of gait disorders and falls in older adults with mild cognitive impairment (MCI) or dementia begins by their identification with the use of specific screening tools, such as measuring gait speed, use of dual-task gait tests, or diagnosing motoric cognitive risk syndrome, a newly described pre-dementia syndrome...
September 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28711513/the-effectiveness-of-cognitive-function-stress-management-training-in-glycemic-control-in-children-and-in-mental-health-of-mother-caring-for-child-with-type-1-diabetes-mellitus
#6
Mozhdeh Saghaei, Pouya Omidi, Elham Hashemi Dehkordi, Parvin Safavi
AIM: The study was aimed to evaluate the effectiveness of a training course of cognitive-behavioral stress management in glycaemia regulation in children with type 1 diabetes mellitus as well as in mental health status of their mothers. MATERIALS AND METHODS: Fifty children with type 1 diabetes mellitus and their mothers were selected and randomly assigned into two groups. A group of mothers (n=25; as experimental one besides their children) passed a course, eight 2-h sessions, on the cognitive-behavioral and stress management, and the control group received the usual care...
July 3, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28706727/pd_manager-an-mhealth-platform-for-parkinson-s-disease-patient-management
#7
Kostas M Tsiouris, Dimitrios Gatsios, George Rigas, Dragana Miljkovic, Barbara Koroušić Seljak, Marko Bohanec, Maria T Arredondo, Angelo Antonini, Spyros Konitsiotis, Dimitrios D Koutsouris, Dimitrios I Fotiadis
PD_Manager is a mobile health platform designed to cover most of the aspects regarding the management of Parkinson's disease (PD) in a holistic approach. Patients are unobtrusively monitored using commercial wrist and insole sensors paired with a smartphone, to automatically estimate the severity of most of the PD motor symptoms. Besides motor symptoms monitoring, the patient's mobile application also provides various non-motor self-evaluation tests for assessing cognition, mood and nutrition to motivate them in becoming more active in managing their disease...
June 2017: Healthcare Technology Letters
https://www.readbyqxmd.com/read/28672848/mechanism-exploration-of-arylpiperazine-derivatives-targeting-the-5-ht2a-receptor-by-in-silico-methods
#8
Feng Lin, Feng Li, Chao Wang, Jinghui Wang, Yinfeng Yang, Ling Yang, Yan Li
As a G-protein coupled receptor, the 5-hydroxytryptamine 2A (5-HT2A) receptor is known for its critical role in the cognitive, behavioural and physiological functions, and thus is a primary molecular target to treat psychiatric diseases, including especially depression. With purpose to explore the structural traits affecting the inhibitory activity, currently a dataset of 109 arylpiperazine derivatives as promising 5-HT2A antagonists was built, based on which the ligand-based three-dimensional quantitative structure-activity relationship (3D-QSAR) study by using both comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) approaches was carried out...
June 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28663732/preserved-crossmodal-integration-of-emotional-signals-in-binge-drinking
#9
Séverine Lannoy, Valérie Dormal, Mélanie Brion, Joël Billieux, Pierre Maurage
Binge drinking is an alcohol consumption pattern with various psychological and cognitive consequences. As binge drinking showed qualitatively comparable cognitive impairments to those reported in alcohol-dependence, a continuum hypothesis suggests that this habit would be a first step toward alcohol-related disorders. Besides these cognitive impairments, alcohol-dependence is also characterized by large-scale deficits in emotional processing, particularly in crossmodal contexts, and these abilities have scarcely been explored in binge drinking...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28658758/a-stratified-analysis-of-clinical-manifestations-and-different-diagnostic-methods-of-neurocysticercosis-suspected-tamilian-population-residing-in-and-around-puducherry
#10
Piriyatharisini Thamilselvan, Krishna Raja Muthuraman, Sheeba Arockiamary Thasan, Gayathri Kasinathan, Jharna Mandal, Subhash Chandra Parija
INTRODUCTION: Human beings are accidental hosts for Cysticercus cellulosae showing varied clinical manifestations based on the site harbored by the parasitic cyst because of which disease profile remains unexplored at large. Besides this, diagnosis of the disease with a single conventional method is problematic due to lack of specificity and sensitivity. AIM: To assess the varied clinical manifestations and stratify based on imaging and serological methods for diagnosis of Neurocysticercosis (NCC) in our study population...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28635664/adolescent-exposure-to-the-synthetic-cannabinoid-win-55212-2-modifies-cocaine-withdrawal-symptoms-in-adult-mice
#11
María A Aguilar, Juan Carlos Ledesma, Marta Rodríguez-Arias, Carles Penalva, Carmen Manzanedo, José Miñarro, M Carmen Arenas
Chronic cannabinoid consumption is an increasingly common behavior among teenagers and has been shown to cause long-lasting neurobehavioral alterations. Besides, it has been demonstrated that cocaine addiction in adulthood is highly correlated with cannabis abuse during adolescence. Cocaine consumption and subsequent abstinence from it can cause psychiatric symptoms, such as psychosis, cognitive impairment, anxiety, and depression. The aim of the present research was to study the consequences of adolescent exposure to cannabis on the psychiatric-like effects promoted by cocaine withdrawal in adult mice...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28610695/a-fuzzy-based-system-reveals-alzheimer-s-disease-onset-in-subjects-with-mild-cognitive-impairment
#12
Sabina Tangaro, Annarita Fanizzi, Nicola Amoroso, Roberto Bellotti
Alzheimer's Disease (AD) is the most frequent neurodegenerative form of dementia. Although dementia cannot be cured, it is very important to detect preclinical AD as early as possible. Several studies demonstrated the effectiveness of the joint use of structural Magnetic Resonance Imaging (MRI) and cognitive measures to detect and track the progression of the disease. Since hippocampal atrophy is a well known biomarker for AD progression state, we propose here a novel methodology, exploiting it as a searchlight to detect the best discriminating features for the classification of subjects with Mild Cognitive Impairment (MCI) converting (MCI-c) or not converting (MCI-nc) to AD...
June 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28574812/associations-between-apoe-genotype-and-cerebral-small-vessel-disease-a-longitudinal-study
#13
Xiao Luo, Yerfan Jiaerken, Xinfeng Yu, Peiyu Huang, Tiantian Qiu, Yunlu Jia, Kaicheng Li, Xiaojun Xu, Zhujing Shen, Xiaojun Guan, Jiong Zhou, Minming Zhang, For The Alzheimer's Disease Neuroimaging Initiative Adni
OBJECTIVE: It remains unclear if and how the interactions between APOE genotypes and cerebral small-vessel diseases (CSVD) lead to cognitive decline in the long term. Based on ADNI cohort, this longitudinal study aimed to clarify the potential relationship among APOE genotype, CSVD and cognition by integrating multi-level data. METHOD: There were 135 healthy elderly (including ε2, ε4 allele carriers and ε3 homozygotes) who had completed two years' follow-up. MRI markers of CSVD, including white matter hyperintensities (WMH), dilated perivascular space (dPVS), microbleeds and lacune, were assessed...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28567288/gad-antibody-associated-limbic-encephalitis-in-a-young-woman-with-apeced
#14
Anna Kopczak, Adrian-Minh Schumacher, Sandra Nischwitz, Tania Kümpfel, Günter K Stalla, Matthias K Auer
The autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) syndrome is a genetic disorder caused by a mutation in the autoimmune regulator (AIRE) gene. Immune deficiency, hypoparathyroidism and Addison's disease due to autoimmune dysfunction are the major clinical signs of APECED. We report on a 21-year-old female APECED patient with two inactivating mutations in the AIRE gene. She presented with sudden onset of periodic nausea. Adrenal insufficiency was diagnosed by means of the ACTH stimulation test...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28529531/the-protective-effect-of-lavender-essential-oil-and-its-main-component-linalool-against-the-cognitive-deficits-induced-by-d-galactose-and-aluminum-trichloride-in-mice
#15
Pan Xu, Kezhu Wang, Cong Lu, Liming Dong, Li Gao, Ming Yan, Silafu Aibai, Yanyan Yang, Xinmin Liu
Lavender essential oil (LO) is a traditional medicine used for the treatment of Alzheimer's disease (AD). It was extracted from Lavandula angustifolia Mill. This study was designed to investigate the effects of lavender essential oil (LO) and its active component, linalool (LI), against cognitive impairment induced by D-galactose (D-gal) and AlCl3 in mice and to explore the related mechanisms. Our results revealed that LO (100 mg/kg) or LI (100 mg/kg) significantly protected the cognitive impairments as assessed by the Morris water maze test and step-though test...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28527690/testing-cognitive-functions-in-rodent-disease-models-present-pitfalls-and-future-perspectives
#16
REVIEW
Heikki Tanila
Testing of cognitive functions in rodent disease models constitutes a substantial sector of behavioral neuroscience. It is most often needed in phenotyping genetically modified new rodent (usually mouse) lines or in preclinical testing of cognitive effects of new CNS drugs. This review concerns present pitfalls and future perspectives in this large field, with an emphasis on memory testing in CNS disease models and their preclinical drug testing. It is important to realize that no behavioral test is specific for a single cognitive domain...
May 17, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28507309/pick1-genetic-variation-and-cognitive-function-in-patients-with-schizophrenia
#17
Yi-Ting Chen, Chieh-Hsin Lin, Chiung-Hsien Huang, Wen-Miin Liang, Hsien-Yuan Lane
The gene of protein interacting with C kinase 1 alpha (PICK1) has been implicated in schizophrenia, nevertheless, conflicting results existed. However, its role in cognitive function remains unclear. Besides, cognitive deficits impair the long-term outcome. We explored whether the polymorphisms of PICK1 (rs2076369, rs3952) affected cognitive functions in schizophrenic patients. We analyzed 302 patients and tested the differences of cognitive functions, clinical symptoms between genetic groups. We also used general linear model to analyze the effect of PICK1 genetic polymorphisms on cognitive functions...
May 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28490315/orofacial-pain-and-mastication-in-dementia
#18
Frank Lobbezoo, Suzanne Delwel, Roxane A F Weijenberg, Erik J A Scherder
Orofacial pain is a common condition in the general population. It is likely that this is also the case in older persons with a dementia. However, the assessment of (orofacial) pain in non-verbal individuals is hampered by the subjective nature of pain, and their limited communicative abilities. To overcome this drawback, several tools have been developed for the assessment of pain based on observations of pain-specific facial activities, body movements, and vocalizations. Unfortunately, none of the so far developed observational tools have been designed specifically for the assessment of orofacial pain...
2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28484403/cognitive-advantages-of-bilingual-children-in-different-sociolinguistic-contexts
#19
Elma Blom, Tessel Boerma, Evelyn Bosma, Leonie Cornips, Emma Everaert
Many studies have shown that bilingual children outperform monolinguals on tasks testing executive functioning, but other studies have not revealed any effect of bilingualism. In this study we compared three groups of bilingual children in the Netherlands, aged 6-7 years, with a monolingual control group. We were specifically interested in testing whether the bilingual cognitive advantage is modulated by the sociolinguistic context of language use. All three bilingual groups were exposed to a minority language besides the nation's dominant language (Dutch)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28411148/behavioural-characterization-of-ankyring-deficient-mice-a-model-for-ank3-related-disorders
#20
I M van der Werf, D Van Dam, S Missault, B Yalcin, P P De Deyn, G Vandeweyer, R F Kooy
ANK3 encodes AnkyrinG (AnkG), a member of the Ankyrin family that is expressed in several different isoforms in many tissues. A unique serine-rich domain and tail domain in the two largest isoforms of AnkG (270 and 480kDa), restrict AnkG to the axon initial segment and nodes of Ranvier of myelinated neurons. At these sites, AnkG is a master regulator, coordinating the strict clustering of components necessary for proper action potential initiation and propagation along the axon. These components include voltage-gated sodium channels, potassium channels and members of the L1 cell adhesion molecule family...
April 11, 2017: Behavioural Brain Research
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