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https://www.readbyqxmd.com/read/29357320/ginsenoside-rb1-protects-the-brain-from-damage-induced-by-epileptic-seizure-via-nrf2-are-signaling
#1
Yunbo Shi, Wang Miao, Junfang Teng, Lingli Zhang
BACKGROUND/AIMS: Ginsenoside Rb1 (Rb1) has been reported to have varieties of neuroprotective effects. This study aimed to evaluate the effects of Rb1 on pentylenetetrazol (PTZ)-induced rat brain injury and Mg2+ free-induced neuron injury and analyzed the detailed molecular mechanisms in vivo and in vitro. METHODS: Seizure duration and latency were measured in epilepsy kindled rat. The cognitive impairment was assessed by Morris water maze (MWM) test. Oxidative stress parameters, malondialdehyde (MDA) and glutathione (GSH) were measured by the 2-thiobarbituric acid methods and the DTNB-GSSG reductase recycling methods...
January 22, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29339018/nicotine-alleviates-chronic-stress-induced-anxiety-and-depressive-like-behavior-and-hippocampal-neuropathology-via-regulating-autophagy-signaling
#2
Xi Xiao, Xueliang Shang, Baohui Zhai, Hui Zhang, Tao Zhang
Recently, we reported that chronic nicotine significantly improved chronic stress-induced impairments of cognition and the hippocampal synaptic plasticity in mice, however, the underlying mechanism still needs to be explored. In the present study, 32 male C57BL/6 mice were divided into four groups: control (CON), stress (CUS), stress with chronic nicotine administration (CUS + Nic) and chronic nicotine administration (Nic). The anxiety-like behavior and neuropathological alteration of DG neurons were examined...
January 12, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29326289/prevalence-of-hippocampal-enlarged-perivascular-spaces-in-a-sample-of-patients-with-hypertension-and-their-relation-with-vascular-risk-factors-and-cognitive-function
#3
Joan Jiménez-Balado, Iolanda Riba-Llena, Edurne Garde, Marta Valor, Belen Gutiérrez, Francesc Pujadas, Pilar Delgado
OBJECTIVES: The clinical importance of hippocampal enlarged perivascular spaces (H-EPVS) remains uncertain. We aimed to study their association with vascular risk factors, cognitive function and mild cognitive impairment (MCI). METHODS: Data were obtained from the ISSYS (Investigating Silent Strokes in hYpertensives, a magnetic resonance imaging Study) cohort, which is a prospective study of patients with hypertension aged 50-70 with no prior stroke or dementia...
January 11, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29321703/executive-functions-of-obsessive-compulsive-disorder-and-panic-disorder-patients-in-comparison-to-healty-controls
#4
Emel Kurt, Erol Yildirim, Volkan Topçuoğlu
Introduction: Patients with obsessive compulsive disorder (OCD) have impaired cognitive functions, including attention, verbal and visual memory, and visual-spatial abilities as well as executive function But some studies did not show any disturbance in executive function of patients with OCD. To date, only few studies have been conducted on neuropsychological functioning of patients with panic disorder (PD). There are limited studies to reach a definite conclusion on executive functions of patients with OCD and those with PD...
December 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/29275267/the-correlation-of-the-depth-of-anesthesia-and-postoperative-cognitive-impairment-a-meta-analysis-based-on-randomized-controlled-trials
#5
Xing Lu, Xin Jin, Suwei Yang, Yanfei Xia
STUDY OBJECTIVE AND BACKGROUND: To comprehensively evaluate the associations between the depth of anesthesia and postoperative delirium (POD) or postoperative cognitive dysfunction (POCD). DESIGN: Using the Cochrane evaluation system, the included studies were conducted with quality assessment. DATA SOURCES: We searched Cochrane library, Embase and PubMed databases without language restriction. The retrieval time is up to August 2017. ELIGIBILITY CRITERIA: According to the PRISMA guideline, the results associated with POCD and POD separately were compared between low and high bispectral index (BIS) groups under fixed effects model or random effects model...
December 21, 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29248451/features-and-outcomes-of-drugs-for-combination-therapy-as-multi-targets-strategy-to-combat-alzheimer-s-disease
#6
REVIEW
Atish Kumar Sahoo, Jagnehswar Dandapat, Umesh Chandra Dash, Satish Kanhar
ETHNOPHARMACOLOGICAL RELEVANCE: Alzheimer's disease (AD), a deleterious neurodegenerative disorder that impairs memory, cognitive functions and may lead to dementia in late stage of life. The pathogenic cause of AD remains incompletely understood and FDA approved drugs are partial inhibitors rather than curative. Most of drugs are synthetic or natural products as galanthamine is an alkaloid obtained from Galanthus spp. Huperzine A, an alkaloid found in Huperzia spp., gingkolides a diterpenoids from Gingko biloba and many ethnobotanicals like Withania somnifera (L...
December 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29222477/a-novel-eeg-based-spectral-analysis-of-persistent-brain-function-alteration-in-athletes-with-concussion-history
#7
Tamanna T K Munia, Ali Haider, Charles Schneider, Mark Romanick, Reza Fazel-Rezai
The neurocognitive sequelae of a sport-related concussion and its management are poorly defined. Detecting deficits are vital in making a decision about the treatment plan as it can persist one year or more following a brain injury. The reliability of traditional cognitive assessment tools is debatable, and thus attention has turned to assessments based on electroencephalogram (EEG) to evaluate subtle post-concussive alterations. In this study, we calculated neurocognitive deficits combining EEG analysis with three standard post-concussive assessment tools...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29209183/cognitive-flexibility-training-a-large-scale-multimodal-adaptive-active-control-intervention-study-in-healthy-older-adults
#8
Jessika I V Buitenweg, Renate M van de Ven, Sam Prinssen, Jaap M J Murre, K Richard Ridderinkhof
As aging is associated with cognitive decline, particularly in the executive functions, it is essential to effectively improve cognition in older adults. Online cognitive training is currently a popular, though controversial method. Although some changes seem possible in older adults through training, far transfer, and longitudinal maintenance are rarely seen. Based on previous literature we created a unique, state-of-the-art intervention study by incorporating frequent sessions and flexible, novel, adaptive training tasks, along with an active control group...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29182194/-performance-of-an-abbreviated-mini-mental-examination-to-detect-dementia-in-older-people
#9
Daniel Jiménez, Manuel Lavados, Paula Rojas, Claudio Henríquez, Fernando Silva, Marta Guillón
BACKGROUND: The usefulness of the abbreviated Mini-Mental State Examination included in the Chilean Functional assessment of elderly people (MM-SE-EFAM) to detect Dementia has not been determined. AIM: To assess the performance of the MMSE-EFAM to detect dementia. MATERIAL AND METHODS: We studied a non-probabilistic sample of subjects older than 65 years who had been assessed by the MMSE-EFAM in a Chilean primary care center during a period of 6 months...
July 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29164390/nutrition-and-mobility-predict-all-cause-mortality-in-patients-12%C3%A2-months-after-transcatheter-aortic-valve-implantation
#10
Sarah Eichler, Annett Salzwedel, Axel Harnath, Christian Butter, Karl Wegscheider, Mihai Chiorean, Heinz Völler, Rona Reibis
BACKGROUND: The aim of the study was to determine pre-interventional predictors for all-cause mortality in patients after transcatheter aortic valve implantation (TAVI) with a 12-month follow-up. METHODS: From 10/2013 to 07/2015, 344 patients (80.9 ± 5.0 years, 44.5% male) with an elective TAVI were consecutively enrolled prospectively in a multicentre cohort study. Prior to the intervention, sociodemographic parameters, echocardiographic data and comorbidities were documented...
November 21, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29152735/6%C3%A2-hz-corneal-kindling-in-mice-triggers-neurobehavioral-comorbidities-accompanied-by-relevant-changes-in-c-fos-immunoreactivity-throughout-the-brain
#11
Giulia Albertini, Laura Walrave, Thomas Demuyser, Ann Massie, Dimitri De Bundel, Ilse Smolders
OBJECTIVE: Besides seizures, patients with epilepsy are affected by a variety of cognitive and psychiatric comorbidities that further impair their quality of life. The present study provides an in-depth characterization of the behavioral alterations induced by 6 Hz corneal kindling. Furthermore, we correlate these behavioral changes to alterations in c-Fos protein expression throughout the brain following kindling. METHODS: Adolescent male Naval Medical Research Institute (NMRI) mice were kindled via repetitive subconvulsive 6 Hz corneal stimulations until they reached the fully kindled state (defined as 10 consecutive generalized seizures)...
November 20, 2017: Epilepsia
https://www.readbyqxmd.com/read/29081155/-changes-of-brain-function-and-cognitive-function-after-carotid-artery-stenting
#12
Z X Lu, G Deng, H L Wei, G F Zhao, L Z Wen, X Chen
Objective: To investigate the effect of carotid artery stenting(CAS) on cognitive function and brain function based on changes of a battery of neuropsychological tests and magnetic resonance imaging. Methods: Thirty-three patients were included with 17 in the stent-placement group and 16 in the control group (receiving medical treatment), among whom, the unilateral or bilateral severe internal carotid artery stenosis was confirmed by cerebral vascular angiography in the department of Interventional Radiology and Vascular Surgery of Zhongda Hospital Southeast University from June 2015 to September 2016...
October 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29080453/ameliorating-effect-of-alpinia-oxyphylla-schisandra-chinensis-herb-pair-on-cognitive-impairment-in-a-mouse-model-of-alzheimer-s-disease
#13
Mengshi Wang, Wenchuan Bi, Kaiyue Fan, Tongde Li, Tingxu Yan, Feng Xiao, Bosai He, Kaishun Bi, Ying Jia
Alzheimer's disease (AD) is the most common cause of dementia. In our previous study, we found both Alpinia oxyphylla and Schisandra chinensis can improve the cognitive function of AD. To investigate whether the Alpinia oxyphylla - Schisandra chinensis herb pair (ASHP) has ameliorating effect on cognitive impairment, we used scopolamine to induce learning and memory impairments, as a mouse model of AD. Subsequently, we carried out Y-maze test and Morris water maze test to observe the behavior of mice. Finally, the level of Acetylcholine (Ach) and muscarinic receptor (M1) receptors, the activity of choline acetyltransferase (ChAT) and acetyl cholinesterase (AChE) were measured by commercial assay kits and ELISA kit...
October 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29057696/effects-of-spontaneous-recurrent-seizures-on-cognitive-function-via-modulation-of-snares-expression
#14
Hua Yu, Xuelian Yang, Xu Tang, Renkuan Tang
PURPOSE: To explore whether soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNARE) complexes are involved in cognitive dysfunction induced by spontaneous recurrent seizures (SRS). MATERIALS AND METHODS: An animal model of epilepsy was established by intraperitoneal injection of kainic acid (KA). Following the onset of SRS, the rats were divided into control group, KA-SRS group, KA+SRS group and KA+SRS+VAP group. Morris water maze and open field test were conducted to evaluate the cognitive function...
October 23, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28973135/beyond-accuracy-hidden-motives-in-diagnostic-testing
#15
Matthias Michiels-Corsten, Norbert Donner-Banzhoff
Background: Diagnostic decision-making is usually disease-focussed and intended to examine the patient's medical condition accurately. But diagnostic interventions may serve further purposes that are not yet fully understood. Objective: To explore GPs' diagnostic behaviour not related to confirming or refuting a specific disease. Methods: We recorded 295 primary care consultations in 12 practices. One hundred thirty-four consultations comprised at least one diagnostic episode...
September 16, 2017: Family Practice
https://www.readbyqxmd.com/read/28972994/-timed-up-and-go-test-age-gender-and-cognitive-impairment-stratified-normative-values-of-older-adults
#16
Azianah Ibrahim, Devinder Kaur Ajit Singh, Suzana Shahar
AIMS: The aim of this study was to establish 'Timed up and Go' test (TUG) normative data among community dwelling older adults stratified based on cognitive status, gender and age groups. METHODS: A total of 2084 community dwelling older adults from wave I and II were recruited through a multistage random sampling method. TUG was performed using the standard protocol and scores were then stratified based on with and without mild cognitive impairment (MCI), gender and in a 5-year age groups ranging from ages of 60's to 80's...
2017: PloS One
https://www.readbyqxmd.com/read/28867578/streptozotocin-induced-hippocampal-astrogliosis-and-insulin-signaling-malfunction-as-experimental-scales-for-subclinical-sporadic-alzheimer-model
#17
Farzaneh Rostami, Mohammad Javan, Ali Moghimi, Aliakbar Haddad-Mashadrizeh, Masoud Fereidoni
AIMS: Insulin signaling malfunction has recently been suggested as a preliminary event involved in the etiology of Sporadic Alzheimer's disease (SAD). In order to develop insulin resistance-related SAD model, rats were treated with streptozotocin, intracerebroventricularly (icv-STZ). Nevertheless, given the lack of knowledge regarding sub-clinical stages of SAD, the current challenging issue is establishing a practical pre-clinical SAD model. Despite some proposed mechanisms, such as insulin malfunction, neuroinflammation, and gliosis, icv-STZ mechanism of action is not fully understood yet and Streptozotocin-induced rat model of Alzheimer has still major shortcomings...
November 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28867383/protective-effects-of-kinetin-against-aluminum-chloride-and-d-galactose-induced-cognitive-impairment-and-oxidative-damage-in-mouse
#18
Yunpeng Wei, Dan Liu, Yin Zheng, Honglian Li, Chaoshuang Hao, Wuqing Ouyang
Increasing evidence indicates that aluminum exposure and oxidative stress play crucial roles in the initiation and development of Alzheimer's disease (AD). Aluminum chloride (AlCl3) and d-galactose (d-gal) combined treatment of mice is considered as an easy and cheap way to obtain an animal model of AD. Kinetin is a plant cytokinin, which is also reported to exert neuro-protective effects in vivo and in vitro. Thus, in this study, neuro-protective effects of kinetin were investigated in an AD model of mice induced by AlCl3 and d-gal...
September 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28851448/dietary-arachidonic-acid-increases-deleterious-effects-of-amyloid-%C3%AE-oligomers-on-learning-abilities-and-expression-of-ampa-receptors-putative-role-of-the-acsl4-cpla2-balance
#19
Mélanie H Thomas, Cédric Paris, Mylène Magnien, Julie Colin, Sandra Pelleïeux, Florence Coste, Marie-Christine Escanyé, Thierry Pillot, Jean-Luc Olivier
BACKGROUND: Polyunsaturated fatty acids play a crucial role in neuronal function, and the modification of these compounds in the brain could have an impact on neurodegenerative diseases such as Alzheimer's disease. Despite the fact that arachidonic acid is the second foremost polyunsaturated fatty acid besides docosahexaenoic acid, its role and the regulation of its transfer and mobilization in the brain are poorly known. METHODS: Two groups of 39 adult male BALB/c mice were fed with an arachidonic acid-enriched diet or an oleic acid-enriched diet, respectively, for 12 weeks...
August 29, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28836954/randomized-controlled-trial-to-evaluate-the-effects-of-personalized-prediction-and-adaptation-tools-on-treatment-outcome-in-outpatient-psychotherapy-study-protocol
#20
Wolfgang Lutz, Dirk Zimmermann, Viola N L S Müller, Anne-Katharina Deisenhofer, Julian A Rubel
BACKGROUND: Psychotherapy is successful for the majority of patients, but not for every patient. Hence, further knowledge is needed on how treatments should be adapted for those who do not profit or deteriorate. In the last years prediction tools as well as feedback interventions were part of a trend to more personalized approaches in psychotherapy. Research on psychometric prediction and feedback into ongoing treatment has the potential to enhance treatment outcomes, especially for patients with an increased risk of treatment failure or drop-out...
August 24, 2017: BMC Psychiatry
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