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Behavioural Brain Research

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https://www.readbyqxmd.com/read/28939403/piperine-restores-streptozotocin-induced-cognitive-impairments-insights-into-oxidative-balance-in-cerebrospinal-fluid-and-hippocampus
#1
Mohsen Khalili-Fomeshi, Mohammad Golparvar Azizi, Mohammad Reza Esmaeili, Mohammad Gol, Sohrab Kazemi, Manouchehr Ashrafpour, Ali Akbar Moghadamnia, Soheila Hosseinzadeh
Piperine has been shown to have antioxidant activity and a cognitive-enhancing effect following long-term oral administration. In a comparative study of memantine, the current investigation threw light on the cognitive benefits of piperine. Lipid peroxidation and the ferric reducing antioxidant power (FRAP) of cerebrospinal fluid (CSF) and hippocampus in streptozotocin (STZ)-induced experimental dementia of the Alzheimer's type was measured. After reaching a criterion in a memory test, STZ-induced rats received piperine [2...
September 19, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28935440/effects-of-acute-restraint-and-unpredictable-chronic-mild-stress-on-brain-corticotrophin-releasing-factor-mrna-in-the-elevated-t-maze
#2
José S de Andrade, Isabel C Céspedes, Renata O Abrão, Joelcimar M da Silva, Ricardo Ceneviva, Daniel Araki Ribeiro, Jackson C Bittencourt, Milena B Viana
Corticotrophin releasing factor (CRF) modulates stress/anxiety-related responses. Previous studies showed that exposure to acute restraint and unpredictable chronic mild stress (UCMS) facilitates elevated T-maze (ETM) avoidance responses, an anxiogenic-like effect. This study verified the role of CRF in the modulation of ETM avoidance and escape reactions, in unstressed rats and in animals exposed to acute restraint or to UCMS, by quantifying CRF mRNA concentrations in stress/anxiety-related brain regions, through semiquantitative in situ hybridization...
September 18, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28935439/comparison-of-cannabinoids-with-known-analgesics-using-a-novel-high-throughput-zebrafish-larval-model-of-nociception
#3
L D Ellis, F Berrue, M Morash, J C Achenbach, J Hill, J J McDougall
It has been established that both adult and larval zebrafish are capable of showing nociceptive responses to noxious stimuli; however, the use of larvae to test novel analgesics has not been fully explored. Zebrafish larvae represent a low-cost, high-throughput alternative to traditional mammalian models for the assessment of product efficacy during the initial stages of drug development. In the current study, a novel model of nociception using zebrafish larvae is described. During the recovery from an acute exposure to low levels of acetic acid, larvae display innate changes in behaviour that may be indicative of nociception...
September 18, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28927719/sex-dependent-behavioral-impairments-in-the-hdhq350-mouse-line
#4
Jessica K Cao, Peter J Detloff, Richard G Gardner, Nephi Stella
Huntington's Disease (HD) is an autosomal dominant neurodegenerative disease characterized by gradual deterioration of motor and cognitive functions and development of psychiatric deficits. Animal models provide powerful means to study the pathological processes, molecular dysfunctions and symptoms associated with HD. We performed a longitudinal behavioral study of the newly developed HdhQ350/+ mouse line, a knock-in model that expresses a repeat of 350 glutamines. We found remarkable sex-dependent differences on symptom onset and severity...
September 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28927718/metabolic-profiling-of-the-effects-of-ginsenoside-re-in-an-alzheimer-s-disease-mouse-model
#5
Jingyuan Li, Ying Liu, Wei Li, Zhe Wang, Pan Guo, Lin Li, Naijing Li
Alzheimer's disease (AD) is one of the major neurological diseases among the elderly, and there are presently no approved treatments that can slow its progression. It has been reported that ginsenoside Re (G-Re), an active pharmacological component of ginseng, can ameliorate the symptoms of AD, but the underlying mechanisms are not clear. The current study was designed to test the effects of G-Re by investigating the metabolite profiles of AD mice. An AD animal model was induced by intracerebroventricular injection of β-amyloid in Kunming mice...
September 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28927717/automated-dissection-of-permanent-effects-of-hippocampal-or-prefrontal-lesions-on-performance-at-spatial-working-memory-and-circadian-timing-tasks-of-c57bl-6-mice-in-intellicage
#6
Vootele Voikar, Sven Krackow, Hans-Peter Lipp, Anton Rau, Giovanni Colacicco, David P Wolfer
To evaluate permanent effects of hippocampal and prefrontal cortex lesion on spatial tasks, lesioned and sham-operated female C57BL mice were exposed to a series of conditioning schemes in IntelliCages housing 8-10 transponder-tagged mice from each treatment group. Sequential testing started at 51 to 172days after bilateral lesions and lasted for 154 and 218days in two batches of mice, respectively. Spontaneous undisturbed behavioral patterns clearly separated the three groups, hippocampals being characterized by more erratic hyperactivity, and strongly impaired circadian synchronization ability...
September 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28919158/a-role-for-nucleus-accumbens-glutamate-in-the-expression-but-not-the-induction-of-behavioural-sensitization-to-ethanol
#7
Christina N Nona, José N Nobrega
Mechanisms underlying differential sensitivity to behavioural sensitization to ethanol (EtOH) remain poorly understood, although accumulating evidence suggests a role for glutamatergic processes in the ventral striatum. Efforts to address this issue can benefit from the well-documented fact that in any given cohort, some of the mice (High sensitized; HS) show robust sensitization, while others (Low sensitized; LS) show little, if any, sensitization. Here, we examined whether this variability might be differentially associated with nucleus accumbens (NAc) glutamate processes...
September 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28919157/ethyl-acetate-fraction-of-trichilia-catigua-restores-long-term-retrograde-memory-and-reduces-oxidative-stress-and-inflammation-after-global-cerebral-ischemia-in-rats
#8
Jacqueline Godinho, Rúbia Maria Weffort de Oliveira, Anacharis Babeto de Sa-Nakanishi, Cristiano Correia Bacarin, Claudia Hitomi Huzita, Renata Longhini, João Carlos P Mello, Celso Vataru Nakamura, Isolde Santos Previdelli, Matheus Henrique Dal Molin Ribeiro, Humberto Milani
We originally reported that an ethyl-acetate fraction (EAF) of Trichilia catigua prevented the impairment of water maze learning and hippocampal neurodegeneration after transient global cerebral (TGCI) in mice. We extended that previous study by evaluating whether T. catigua (i) prevents the loss of long-term retrograde memory assessed in the aversive radial maze (AvRM), (ii) confers hippocampal and cortical neuroprotection, and (iii) mitigates oxidative stress and neuroinflammation in rats that are subjected to the four vessel occlusion (4-VO) model of TGCI...
September 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28917506/the-plasmalogen-precursor-analog-ppi-1011-reduces-the-development-of-l-dopa-induced-dyskinesias-in-de-novo-mptp-monkeys
#9
Mélanie Bourque, Laurent Grégoire, Thérèse Di Paolo
The gold standard therapy for Parkinson's disease (PD), L-3,4-dihydroxyphenylalanine (L-DOPA), induces dyskinesias in the majority of patients after years of treatment. Ethanolamine plasmalogens (PlsEtn) play critical roles in membrane structure mediated functions and as a storage depot of polyunsaturated fatty acids such as docosahexaenoic acid. We previously showed that a PlsEtn precursor PPI-1011 reduced already established L-DOPA-induced dyskinesias (LID) in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) lesioned monkeys as a PD model...
September 13, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28916501/awakenings-in-rats-by-ultrasounds-a-new-animal-model-for-paradoxical-kinesia
#10
Luan Castro Tonelli, Markus Wöhr, Rainer Schwarting, Liana Melo-Thomas
Paradoxical kinesia refers to a sudden transient ability of akinetic patients to perform motor tasks they are otherwise unable to perform. The mechanisms underlying this phenomenon are unknown due a paucity of valid animal models that faithfully reproduce paradoxical kinesia. Here, in a first experiment, we present a new method to study paradoxical kinesia by "awakening" cataleptic rats through presenting appetitive 50-kHz ultrasonic vocalizations (USV), which are typical for social situations with positive valence, like juvenile play or sexual encounters ("rat laughter")...
September 13, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28916503/altered-serotonergic-and-gabaergic-neurotransmission-in-a-mice-model-of-obsessive-compulsive-disorder
#11
Christine Winter, Dana M Greene, Paraskevi Mavrogiorgou, Helge Schaper, Reinhard Sohr, Abel Bult-Ito, Georg Juckel
There is ample evidence that obsessive-compulsive disorder (OCD) is based on reduced serotonergic function. Replicated bidirectional selection for thermoregulatory nest-building behavior in the laboratory house mouse (Mus musculus) resulted in compulsive-like, non-compulsive-like and randomly bred control mice that represent a non-induced animal model of OCD. The present study aimed at investigating the neurochemical patterns in specific brain regions of compulsive-like (HA) versus non-compulsive-like (LA) and normal (CA) mice...
September 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28916502/sociability-trait-and-regional-cerebral-oxidative-metabolism-in-rats-predominantly-nonlinear-relations
#12
Margus Kanarik, Jaanus Harro
Deficits in social behaviour are common in psychopathological conditions e.g., depression, autism and schizophrenia. In rats, sociability, defined as the engagement of an animal in non-aggressive social contact with a conspecific in a neutral arena, is as a persistent trait. To elucidate the neuroanatomy of social behaviour in animal models, long term neuronal energy metabolism was studied in rats preselected for sociability levels. Rats were divided into groups with high, medium and low sociability levels (HS, MS and LS) according to the average score of three social interaction tests, and cerebral long-term energy metabolism was assayed with cytochrome oxidase histochemistry...
September 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28916500/early-life-stress-modulates-neural-networks-associated-with-habitual-use-of-reappraisal
#13
Elissa El Khawli, Yan Fan, Sabine Aust, Katharina Wirth, Luisa Bönke, Amie Stevense, Ana Herrera, Sophie Metz, Andrea Loayza, Malek Bajbouj, Simone Grimm
Recent evidence shows that early life stress (ELS) is associated with altered resting-state functional connectivity (RSFC) between amygdala and the prefrontal cortex, as well as with maladaptive emotion regulation strategies and negative mood. However, the relation between ELS and maladaptive emotion regulation is not deterministic. Adaptive emotion regulation strategies such as reappraisal can also ensue from experience and learning in adulthood and can prevent negative mood. The present study aims to investigate the joint influence of ELS, in particular early-life emotional abuse (EA), and habitual use of reappraisal on amygdala-centered RSFC and mood...
September 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28912014/acute-alerting-effects-of-light-a-systematic-literature-review
#14
REVIEW
Jan L Souman, Angelica M Tinga, Susan F Te Pas, Raymond van Ee, Björn N S Vlaskamp
Periodic, well timed exposure to light is important for our health and wellbeing. Light, in particular in the blue part of the spectrum, is thought to affect alertness both indirectly, by modifying circadian rhythms, and directly, giving rise to acute effects. We performed a systematic review of empirical studies on direct, acute effects of light on alertness to evaluate the reliability of these effects and to assess to what extent they depend on other factors, such as time of day, exposure duration and sleep pressure...
September 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28912013/acid-sensing-ion-channel-1-contributes-to-normal-olfactory-function
#15
Kiara T Vann, Zhi-Gang Xiong
Acid-sensing ion channels (ASICs) are cation channels activated by protons. ASIC1a, a primary ASIC subunit in the brain, was recently characterized in the olfactory bulb. The present study tested the hypothesis that ASIC1a is essential for normal olfactory function. Olfactory behavior of wild-type (WT) and ASIC1-/- mice was evaluated by using three standard olfactory tests: (1) the buried food test, (2) the olfactory habituation test, and (3) the olfactory preference test. In buried food test, ASIC1-/- mice had significantly longer latency to uncover buried food than WT mice...
September 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28912012/the-effects-of-aerobic-exercise-on-depression-like-anxiety-like-and-cognition-like-behaviours-over-the-healthy-adult-lifespan-of-c57bl-6-mice
#16
Julie A Morgan, Gaurav Singhal, Frances Corrigan, Emily J Jaehne, Magdalene C Jawahar, Bernhard T Baune
Preclinical studies have demonstrated exercise improves various types of behaviours such as anxiety-like, depression-like, and cognition-like behaviours. However, these findings were largely conducted in studies utilising short-term exercise protocols, and the effects of lifetime exercise on these behaviours remain unknown. This study investigates the behavioural effects of lifetime exercise in normal healthy aging C57BL/6 mice over the adult lifespan. 12 week-old C57BL/6 mice were randomly assigned to voluntary wheel running or non-exercise (control) groups...
September 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28899821/correlation-between-brain-circuit-segregation-and-obesity
#17
Hse-Huang Chao, Yin-To Liao, Vincent Chin-Hung Chen, Cheng-Jui Li, Roger S McIntyre, Yena Lee, Jun-Cheng Weng
Obesity is a major public health problem. Herein, we aim to identify the correlation between brain circuit segregation and obesity using multimodal functional magnetic resonance imaging (fMRI) techniques and analysis. Twenty obese patients (BMI=37.66±5.07) and 30 healthy controls (BMI=22.64±3.45) were compared using neuroimaging and assessed for symptoms of anxiety and depression using the Hospital Anxiety and Depression Scale (HADS). All participants underwent resting-state fMRI (rs-fMRI) and T1-weighted imaging using a 1...
September 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28899820/a-facilitating-role-for-the-primary-motor-cortex-in-action-sentence-processing
#18
Melody Courson, Joël Macoir, Pascale Tremblay
The involvement of the motor system in action language comprehension is a hotly debated topic in cognitive neuroscience and psychology. Recent studies suggest that primary motor cortex (M1) response to action language is context-sensitive rather than automatic and necessary. Specifically, semantic polarity (i.e. affirmative/negative valence) appears to modulate the intensity of this response, which is stronger for affirmative action sentences. The aim of our study was to examine further the context sensitivity of M1 response...
September 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28899819/information-content-of-dendritic-spines-after-motor-learning
#19
Davide Viggiano, Luisa Speranza, Marianna Crispino, Gian Carlo Bellenchi, Umberto di Porzio, Attilio Iemolo, Elvira De Leonibus, Floriana Volpicelli, Carla Perrone-Capano
Dendritic spines, small protrusions emerging from the dendrites of most excitatory synapses in the mammalian brain, are highly dynamic structures and their shape and number is continuously modulated by memory formation and other adaptive changes of the brain. In this study, using a behavioral paradigm of motor learning, we applied the non-linear analysis of dendritic spines to study spine complexity along dendrites of cortical and subcortical neural systems, such as the basal ganglia, that sustain important motor learning processes...
January 15, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/28855140/prenatal-stress-induced-gender-specific-alterations-of-n-methyl-d-aspartate-receptor-subunit-expression-and-response-to-a%C3%AE-in-offspring-hippocampal-cells
#20
Yuan Fang, Hui Li, Lirong Chang, Yizhi Song, Longhui Ma, Liying Lu, Zunshu Du, Yan Li, Jinping Liu, Yan Wu
Prenatal stress (PS) is one of adverse life events during pregnancy, which may increase vulnerability to cognitive impairment in adult offspring. Aβ synaptotoxicity is one important pathological factor for cognitive impairment, and PS-induced cognitive disorder is closely associated with N-Methyl-d-Aspartate receptor (NMDAR), which acts as a key mediator of Aβ synaptotoxicity. In the present study, we tried to explore whether PS affects offspring's Aβ levels and NMDAR subunit expression in a gender-specific manner in hippocampal CA and DG subregions, and whether PS affects synaptic proteins and NMDAR subunit expression in cultured offspring hippocampal cells exposed to Aβ...
September 9, 2017: Behavioural Brain Research
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