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https://www.readbyqxmd.com/read/28812474/protective-effect-of-raisin-currant-against-spatial-memory-impairment-and-oxidative-stress-in-alzheimer-disease-model
#1
Mohammad Gol, Davoud Ghorbanian, Nabiollah Soltanpour, Jamshid Faraji, Mohsen Pourghasem
OBJECTIVES: Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive pathological changes of the brain. A number of studies demonstrated compelling evidence of the importance of oxidative processes in AD pathogenesis. Raisin contains polyphenol, phenolic acid, and tannin compounds, which have antioxidant and anti-inflammatory properties. The present study was aimed to evaluate the protective effect of raisin on neurobehavioral and histological changes in rats with Alzheimer...
August 16, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28810519/the-beneficial-role-of-naringin-a-citrus-bioflavonoid-against-oxidative-stress-induced-neurobehavioral-disorders-and-cognitive-dysfunction-in-rodents-a-systematic-review-and-meta-analysis
#2
REVIEW
Gollapalle Lakshminarayanashastry Viswanatha, H Shylaja, Yogananda Moolemath
OBJECTIVES: Naringin is a bioflavonoid, very abundantly found in citrus species. In literature, naringin has been scientifically well documented for its beneficial effects in various neurological disorders. In this systematic review and meta-analysis, we have made an attempt to correlate the protective role of naringin against oxidative stress-induced neurological disorders in rodents. METHODS: The systematic search was performed using electronic databases; the search was mainly focused on the role of naringin in oxidative stress-induced neuropathological conditions in rodents...
August 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28807763/effects-of-2-2-4-4-tetrabromodiphenyl-ether-on-neurobehavior-and-memory-change-and-bcl-2-c-fos-grin1b-and-lingo1b-gene-expression-in-male-zebrafish-danio-rerio
#3
Shukai Zheng, Caixia Liu, Yanhong Huang, Mian Bao, Yuanni Huang, Kusheng Wu
Polybrominated diphenyl ethers (PBDEs) are persistent organic pollutants in various environmental matrices and organisms and pose a threat to neural systems of organisms. However, though quite a few studies have explored the effect of PBDEs on neural behaviors such as learning and memory abilities in animals, their mechanisms are less known. We used the zebrafish model to evaluate neurotoxicity of PBDEs and observe changes in behavior and related gene expression. In behavioral testing, 50 zebrafish were divided into five groups treated with different concentrations of BDE-47...
August 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28805564/deep-brain-stimulation-and-nonmotor-symptoms
#4
Elliot Hogg, Jeffrey Wertheimer, Sarah Graner, Michele Tagliati
Deep brain stimulation (DBS) is currently the treatment of choice for advanced Parkinson's disease (PD). Several brain targets, including the subthalamic nucleus and the globus pallidus internus, have been successfully employed, with excellent motor outcomes. Despite less established knowledge, DBS may be a powerful tool for managing a wide variety of nonmotor symptoms (NMS) in PD patients, either directly or indirectly due to motor benefit or reduction of dopaminergic drug load. After an assessment of global nonmotor outcomes of DBS, as measured by currently available clinical scales and questionnaires, this chapter will address DBS effects on four main NMS categories: neurobehavioral, including cognitive and neuropsychiatric symptoms, autonomic dysfunction, including orthostatic hypotension, constipation, and urinary dysfunction, sleep disturbances, including insomnia, REM sleep behavior disorder, and restless leg syndrome, to conclude with sensory symptoms, mainly focusing on pain...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28803851/manganese-and-neurobehavioral-impairment-a-preliminary-risk-assessment
#5
Robert M Park, Shannon L Berg
Similar patterns of cognitive and motor deficits have been widely reported from manganese exposures in welding, metallurgical and chemical industry workers. A risk assessment was performed based on studies reported in the literature, extending some earlier work, and deriving new estimates of exposure response and excess risk. Many investigations of manganese neurological effects in humans have insufficient information to derive an exposure response; however, findings from a chemical manufacturer, two smelter and two welder populations permitted application of the benchmark dose procedure for continuous end-points...
August 10, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28801100/neuroendocrine-disruption-in-animal-models-due-to-exposure-to-bisphenol-a-analogues
#6
REVIEW
Cheryl S Rosenfeld
Animal and human studies provide evidence that exposure to the endocrine disrupting chemical (EDC), bisphenol A (BPA), can lead to neurobehavioral disorders. Consequently, there is an impetus to identify safer alternatives to BPA. Three bisphenol compounds proposed as potential safer alternatives to BPA are bisphenol S (BPS), bisphenol F (BPF), and bisphenol AF (BPAF). However, it is not clear whether these other compounds are safer in terms of inducing less endocrine disrupting effects in animals and humans who are now increasingly coming into contact with these BPA-substitutes...
August 8, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/28792282/anti-inflammation-conferred-by-stimulation-of-cd200r1-via-dok1-pathway-in-rat-microglia-after-germinal-matrix-hemorrhage
#7
Zhanhui Feng, Lan Ye, Damon Klebe, Yan Ding, Zhen-Ni Guo, Jerry J Flores, Cheng Yin, Jiping Tang, John H Zhang
CD200 has been reported to be neuroprotective in neurodegenerative diseases. However, the potential protective effects of CD200 in germinal matrix hemorrhage (GMH) have not been investigated. We examined the anti-inflammatory mechanisms of CD200 after GMH. A total of 167 seven-day-old rat pups were used. The time-dependent effect of GMH on the levels of CD200 and CD200 Receptor 1 (CD200R1) was evaluated by western blot. CD200R1 was localized by immunohistochemistry. The short-term (24 h) and long-term (28 days) outcomes were evaluated after CD200 fusion protein (CD200Fc) treatment by neurobehavioral assessment...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28791757/differential-stimulus-control-of-drug-seeking-multimodal-reinstatement
#8
Seth R Batten, Joshua S Beckmann
In animal models of substance-use disorder, individuals that repeatedly self-administer drugs of abuse have long-lasting neuronal adaptations that do not occur ostensibly in control animals only exposed to natural reinforcers (e.g. food). Because any treatment for substance-use disorder will be given to individuals with drug-taking histories, adequate dissociation of the specific neurobehavioral mechanisms underlying drug reinforcement, natural reinforcement and their associated cue effects requires an experimental model that exposes individuals to both reinforcer conditions, along with their associated stimuli...
August 9, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28791538/attenuation-of-neurobehavioral-and-neurochemical-abnormalities-in-animal-model-of-cognitive-deficits-of-alzheimer-s-disease-by-fermented-soybean-nanonutraceutical
#9
Vikas Kumar, Prakash Chandra Bhatt, Shruti Pathak, Bibhu Prasad Panda
The present study was performed to evaluate the efficacy of nanonutraceuticals (NN) for attenuation of neurobehavioral and neurochemical abnormalities in Alzheimer's disease. Solid-state fermentation of soybean with Bacillus subtilis was performed to produce different metabolites (nattokinase, daidzin, genistin and glycitin and menaquinone-7). Intoxication of rats with colchicine caused impairment in learning and memory which was demonstrated in neurobehavioral paradigms (Morris water maze and passive avoidance) linked with decreased activity of acetylcholinesterase (AChE)...
August 8, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28790974/selective-inhibition-of-janus-kinase-3-has-no-impact-on-infarct-size-or-neurobehavioral-outcomes-in-permanent-ischemic-stroke-in-mice
#10
Kelly M DeMars, Sean C Pacheco, Changjun Yang, David M Siwarski, Eduardo Candelario-Jalil
Janus kinase 3 (JAK3) is associated with the common gamma chain of several interleukin (IL) receptors essential to inflammatory signaling. To study the potential role of JAK3 in stroke-induced neuroinflammation, we subjected mice to permanent middle cerebral artery occlusion and investigated the effects of JAK3 inhibition with decernotinib (VX-509) on infarct size, behavior, and levels of several inflammatory mediators. Results from our double immunofluorescence staining showed JAK3 expression on neurons, endothelial cells, and microglia/macrophages in the ischemic mouse brain (n = 3)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28790969/alpha-calcitonin-gene-related-peptide-increases-cerebral-vessel-diameter-in-animal-models-of-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#11
REVIEW
Liam M C Flynn, Caroline J Begg, Malcolm R Macleod, Peter J D Andrews
Delayed cerebral ischemia (DCI) is a life-threatening complication after subarachnoid hemorrhage. There is a strong association between cerebral vessel narrowing and DCI. Alpha calcitonin gene-related peptide (αCGRP) is a potent vasodilator, which may be effective at reducing cerebral vessel narrowing after subarachnoid hemorrhage (SAH). Here, we report a meta-analysis of data from nine in vivo animal studies identified in a systematic review in which αCGRP was administered in SAH models. Our primary outcome was change in cerebral vessel diameter and the secondary outcome was change in neurobehavioral scores...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28790425/minimal-long-term-neurobehavioral-impairments-after-endovascular-perforation-subarachnoid-hemorrhage-in-mice
#12
Claudia Fanizzi, Andrew D Sauerbeck, Mihika Gangolli, Gregory J Zipfel, David L Brody, Terrance T Kummer
Cognitive deficits are among the most severe and pervasive consequences of aneurysmal subarachnoid hemorrhage (SAH). A critical step in developing therapies targeting such outcomes is the characterization of experimentally-tractable pre-clinical models that exhibit multi-domain neurobehavioral deficits similar to those afflicting humans. We therefore searched for neurobehavioral abnormalities following endovascular perforation induction of SAH in mice, a heavily-utilized model. We instituted a functional screen to manage variability in injury severity, then assessed acute functional deficits, as well as activity, anxiety-related behavior, learning and memory, socialization, and depressive-like behavior at sub-acute and chronic time points (up to 1 month post-injury)...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28782592/resveratrol-loaded-solid-lipid-nanoparticles-attenuate-mitochondrial-oxidative-stress-in-vascular-dementia-by-activating-nrf2-ho1-pathway
#13
Aarti Yadav, Aditya Sunkaria, Nitin Singhal, Rajat Sandhir
Vascular dementia (VaD) is the leading cause of cognitive decline resulting from vascular lesions. Recent studies have shown that mitochondrial dysfunctions and oxidative stress are involved in cognitive decline. The aim of the present study was to evaluate the beneficial effects of resveratrol-loaded solid lipid nanoparticles (R-SLNs) in permanent bilateral common carotid artery occlusion (BCCAO) induced model of VaD. R-SLNs prepared were 286 nm in size and had 91.25% drug encapsulation efficiency with sustained release...
August 4, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28777180/sleep-wake-disorders-of-childhood
#14
Suresh Kotagal
PURPOSE OF REVIEW: Sleep-wake disorders occur in 10% to 28% of children and differ somewhat in pathophysiology and management from sleep-wake disorders in adults. This article discusses the diagnosis and management of key childhood sleep disorders. RECENT FINDINGS: The role of sleep in memory consolidation and in the facilitation of learning has been increasingly recognized, even at the toddler stage. Cataplexy, a key feature of narcolepsy type 1, may be subtle in childhood and characterized by transient muscle weakness isolated to the face...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28777176/circadian-rhythm-sleep-wake-disorders
#15
Milena Pavlova
PURPOSE OF REVIEW: The endogenous circadian rhythms are one of the cardinal processes that control sleep. They are self-sustaining biological rhythms with a periodicity of approximately 24 hours that may be entrained by external zeitgebers (German for time givers), such as light, exercise, and meal times. This article discusses the physiology of the circadian rhythms, their relationship to neurologic disease, and the presentation and treatment of circadian rhythm sleep-wake disorders...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28777065/possible-role-of-antioxidative-capacity-of-epigallocatechin-3-gallate-treatment-in-morphological-and-neurobehavioral-recovery-after-sciatic-nerve-crush-injury
#16
Waleed M Renno, Ludmil Benov, Khalid M Khan
OBJECTIVE This study examined the capacity of the major polyphenolic green tea extract (-)-epigallocatechin-3-gallate (EGCG) to suppress oxidative stress and stimulate the recovery and prompt the regeneration of sciatic nerve after crush injury. METHODS Adult male Wistar rats were randomly assigned to one of 4 groups: 1) Naïve, 2) Sham (sham injury, surgical control group), 3) Crush (sciatic nerve crush injury treated with saline), and 4) Crush+EGCG (sciatic nerve crush injury treated with intraperitoneally administered EGCG, 50 mg/kg)...
August 4, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28774719/defective-methionine-metabolism-in-the-brain-after-repeated-blast-exposures-might-contribute-to-increased-oxidative-stress
#17
Peethambaran Arun, William B Rittase, Donna M Wilder, Ying Wang, Irene D Gist, Joseph B Long
Blast-induced traumatic brain injury (bTBI) is one of the major disabilities in Service Members returning from recent military operations. The neurobiological underpinnings of bTBI, which are associated with acute and chronic neuropathological and neurobehavioral deficits, are uncertain. Increased oxidative stress in the brain is reported to play a significant role promoting neuronal damage associated with both brain injury and neurodegenerative disorders. In this study, brains of rats exposed to repeated blasts in a shock tube underwent untargeted profiling of primary metabolism by automatic linear exchange/cold injection GC-TOF mass spectrometry and revealed acute and sub-acute disruptions in the metabolism of the essential amino acid methionine and associated antioxidants...
July 31, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28769746/triarchic-psychopathy-dimensions-in-chimpanzees-pan-troglodytes-investigating-associations-with-genetic-variation-in-the-vasopressin-receptor-1a-gene
#18
Robert D Latzman, Steven J Schapiro, William D Hopkins
Vasopressin is a neuropeptide known to be associated with the development and evolution of complex socio-emotional behaviors including those relevant to psychopathic personality. In both humans and chimpanzees, recent research suggests a strong genetic contribution to individual variation in psychopathic traits. To date, however, little is known concerning specific genes that might explain the observed heritability of psychopathy. In a relatively large sample of captive chimpanzees (N = 164), the current study thus sought to investigate gene-environment associations between triarchic psychopathy dimensions (i...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28769008/ketamine-alleviates-depressive-like-behaviors-via-down-regulating-inflammatory-cytokines-induced-by-chronic-restraint-stress-in-mice
#19
Sijie Tan, Yan Wang, Ke Chen, Zhifeng Long, Ju Zou
The purpose of the present study was to investigate whether ketamine's rapid antidepressant effects were associated with its anti-inflammatory actions and to explore the underlying molecular mechanism. Depressive-like behaviors was induced in mice using chronic restraint stress (CRS) method. Anti-depressive effects of ketamine were evaluated by forced swimming tests (FST) and sucrose preference test (SPT). Subsequently, brain tissue was harvested to investigate inflammatory response in the hippocampus via investigating reactive microglia numbers, serum cytokines levels and the toll-like receptor type 4 (TLR4)/p38 mitogen-activated protein kinase (MAPK) pathway...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28768940/inhalation-exposure-method-for-illegal-drugs
#20
Akiko Inomata, Akio Ogata, Yukie Tada, Akemichi Nagasawa, Katsuhiro Yuzawa, Hiroshi Ando, Yoshikazu Kubo, Hiroshi Takahashi, Fujifumi Kaihoko, Kazuyoshi Tanaka, Jun'ichi Nakajima, Atsuko Suzuki, Nozomi Uemura, Takako Moriyasu, Daisuke Watanabe, Kei Ishihara, Takashi Usami, Satoru Kamei, Yasuaki Kohno
 We developed a new inhalation exposure method to evaluate effects of synthetic cannabimimetics that are being distributed as new, unregulated drugs in the Tokyo area. We selected the commercial product "SOUTOU" containing AB-CHMINACA and 5F-AMB as the test drug and dried marshmallow (Althaea officinalis) leaves as the negative control. A half cigarette packed with dried marshmallow leaves or SOUTOU was ignited, then mainstream smoke from each was delivered to five mice in an exposure box. After the cigarettes were fully consumed, neurobehavioral observations and a catalepsy test were performed at 15, 30 and 60 min after exposure...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
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