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https://www.readbyqxmd.com/read/28343195/research-of-the-protection-actions-of-derived-2-oxoindole-in-acute-stress
#1
Ruslan V Lutsenko, Andrei V Vakhnenko, Elena V Vlasova
INTRODUCTION: Correction of pathological anxiety and stress level of frustration leads to the development of new anxiolytics, notably including derivatives of 2-oksoyndolyn- 3-hlyoksylic acid. The aim of work - to study the effect of 2-oksyindolin-3-hlyoksylic acid on emotional and behavioral reactions of rats subjected to behavioral stress tests of different averiability. MATERIALS AND METHODS: In experiments on 150 white mature male rats Wistar investigated the effects of 2-oksoindolin (2-hydroxy-N-naphthalene-1-yl-2-(2-hydroxy-1,2- dihydro-indole-3-ylidene)-acetamide) with laboratory codes 18 when intraperitoneally administered to acute immobilization stress on Sel'ye on emotional and behavioral responses of animals to test «open field», «a raised cross maze» and test «conflict behavior» (option Vogel)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28343071/analgesia-effect-of-baicalein-against-ntg-induced-migraine-in-rats
#2
Xiao-Fan Zhang, Wen-Jun Zhang, Cui-Lan Dong, Wan-Li Hu, Yu-Yao Sun, Yarigui Bao, Chun-Feng Zhang, Chang-Run Guo, Chong-Zhi Wang, Chun-Su Yuan
BACKGROUND: Migraine is a complex nervous system disease characterized by typical throbbing and unilateral headache, which causes severe healthy and social issues worldwide. The purpose of this study was to investigate the effect of baicalein (BAI) on the treatment of migraine. MATERIAL AND METHODS: Twenty-four rats were randomly divided equally into four groups, including a blank group, model group, positive group (ibuprofen tablets 82mg/kg), and BAI group (60mg/kg)...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28342749/characterizing-the-differential-roles-of-striatal-5-ht1a-auto-and-hetero-receptors-in-the-reduction-of-l-dopa-induced-dyskinesia
#3
Samantha M Meadows, Nicole Chambers, Melissa M Conti, Sharon C Bossert, Crystal Tasber, Eitan Sheena, Mark Varney, Adrian Newman-Tancredi, Christopher Bishop
l-DOPA remains the benchmark treatment for Parkinson's disease (PD) motor symptoms, but chronic use leads to l-DOPA-induced dyskinesia (LID). The serotonin (5-HT) system has been established as a key modulator of LID and 5-HT1A receptors (5-HT1AR) stimulation has been shown to convey anti-dyskinetic effects. However, 5-HT1AR agonists often compromise clinical efficacy or display intrinsic side effects and their site(s) of actions remain debatable. Recently, highly selective G-protein biased 5-HT1AR agonists, F13714 and F15599, were shown to potently target 5-HT1A auto- or hetero-receptors, respectively...
March 22, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28342444/acid-ceramidase-deficiency-in-mice-results-in-a-broad-range-of-central-nervous-system-abnormalities
#4
Jakub Sikora, Shaalee Dworski, E Ellen Jones, Mustafa A Kamani, Matthew C Micsenyi, Tomo Sawada, Pauline Le Faouder, Justine Bertrand-Michel, Aude Dupuy, Christopher K Dunn, Ingrid Cong Yang Xuan, Josefina Casas, Gemma Fabrias, David R Hampson, Thierry Levade, Richard R Drake, Jeffrey A Medin, Steven U Walkley
Farber disease is a rare autosomal recessive disorder caused by acid ceramidase deficiency that usually presents as early-onset progressive visceral and neurologic disease. To understand the neurologic abnormality, we investigated behavioral, biochemical, and cellular abnormalities in the central nervous system of Asah1(P361R/P361R) mice, which serve as a model of Farber disease. Behaviorally, the mutant mice had reduced voluntary locomotion and exploration, increased thigmotaxis, abnormal spectra of basic behavioral activities, impaired muscle grip strength, and defects in motor coordination...
April 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28338763/mesenchymal-stromal-cells-and-autoimmunity
#5
Vito Pistoia, Lizzia Raffaghello
Mesenchymal stromal cells (MSCs) are committed progenitors of mesodermal origin that are found virtually in every organ and exhibit multilineage differentiation into osteocytes, adipocytes and chondrocytes. MSCs also mediate a wide spectrum of immunoregulatory activities that usually dampen innate and adaptive immune responses. These features have attracted interest in the perspective of developing novel cell therapies for autoimmune disease. However, depending on the microenvironmental conditions, MSCs may show a plastic behavior and switch to an immunostimulatory phenotype...
February 18, 2017: International Immunology
https://www.readbyqxmd.com/read/28338740/the-role-of-vip-in-social-behavior-neural-hotspots-for-the-modulation-of-affiliation-aggression-and-parental-care
#6
Marcy A Kingsbury, Leah C Wilson
Although the modulation of social behaviors by most major neurochemical systems has been explored, there are still standouts, including the study of vasoactive intestinal polypeptide (VIP). VIP is a modulator of circadian, reproductive, and seasonal rhythms and is well known for its role in reproductive behavior, as it is the main vertebrate prolactin-releasing hormone. Originally isolated as a gut peptide, VIP and its cognate receptors are present in virtually every brain area that is important for social behavior, including all nodes of the core "social behavior network" (SBN)...
December 16, 2016: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28338602/design-and-synthesis-of-novel-pyrazole-substituted-different-nitrogenous-heterocyclic-ring-systems-as-potential-anti-inflammatory-agents
#7
Eman S Nossier, Hoda H Fahmy, Nagy M Khalifa, Wafaa I El-Eraky, Marawan A Baset
With the aim of developing novel anti-inflammatory scaffolds, a new series of pyrazole-substituted various nitrogenous heterocyclic ring systems at C-4 position were synthesized through different chemical reactions and validated by means of spectral and elemental data. The new obtained compounds were investigated for their anti-inflammatory activity using the carrageenan-induced paw edema standard technique and revealed that, compound 6b showed increased potency with % inhibition of edema 85.23 ± 1.92 and 85...
March 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28337287/memri-is-a-biomarker-defining-nicotine-specific-neuronal-responses-in-subregions-of-the-rodent-brain
#8
Aditya N Bade, Howard E Gendelman, Michael D Boska, Yutong Liu
Nicotine dependence is defined by dopaminergic neuronal activation within the nucleus accumbens (ACB) and by affected neural projections from nicotine-stimulated neurons. Control of any subsequent neural activities would underpin any smoking cessation strategy. While extensive efforts have been made to study the pathophysiology of nicotine addiction, more limited works were developed to find imaging biomarkers. If such biomarkers are made available, addictive behaviors could be monitored noninvasively. To such ends, we employed manganese (Mn(2+))-enhanced magnetic resonance imaging (MEMRI) to determine whether it could be used to monitor neuronal activities after acute and chronic nicotine exposure in rats...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336090/trace-metal-behavior-in-sediments-of-jiulong-river-estuary-and-implication-for-benthic-exchange-fluxes
#9
Wenhao Wang, Wen-Xiong Wang
Severe metal pollution due to industrial effluents releases has been documented in Jiulong River estuary, Southern China. However, integrated understanding of trace metal behavior in the sediment is lacking. In the present study, DGT (diffusive gradients in thin films) technique was employed together with sediment cores to study the porewater dynamics of trace metals as well as the benthic exchange fluxes from four sampling sites over three different months. The sedimentary environment showed distinct spatial and temporal variations due to effluent discharge and biological activities...
March 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28333492/perceptual-and-memory-inhibition-deficits-in-clinically-healthy-older-adults-are-associated-with-region-specific-doubly-dissociable-patterns-of-cortical-thinning
#10
Teal S Eich, Qolamreza R Razlighi, Yaakov Stern
Converging evidence suggests that the cognitive control processes that enable the inhibition of irrelevant information on a perceptual versus a memorial basis are qualitatively different and are underlain by unique neural systems that may be affected differentially in aging. In the current study, we investigated whether individual differences in performance on these 2 types of inhibitory processes were attributable to region-specific patterns of cortical thinning. Clinically healthy older adults completed a pair of behavioral memory and perceptual inhibition tasks and then underwent structural brain imaging...
March 23, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28329626/associations-between-indoor-tanning-and-risky-health-related-behaviors-among-high-school-students-in-the-united-states
#11
Stephanie Chapman, Kurt Ashack, Eric Bell, Myra Ann Sendelweck, Robert Dellavalle
Understanding of the associations between indoor tanning and risky health related behaviors such as sexual activity and substance abuse among adolescents across the United States is incomplete. The purpose of this study is to identify risky health related behaviors among high school students utilizing indoor tanning according to region. We analyzed the results from surveys of adolescents in 14 different states administered as part of the Youth Risk Behavior Surveillance System (YRBSS) 2013. Data were collected and analyzed over a 4-month period from January 2016 to April 2016...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328571/neuropathic-pain-induced-enhancement-of-spontaneous-and-pain-evoked-neuronal-activity-in-the-periaqueductal-gray-that-is-attenuated-by-gabapentin
#12
Vijay K Samineni, Louis S Premkumar, Carl L Faingold
Neuropathic pain is a debilitating pathological condition that is poorly understood. Recent evidence suggests that abnormal central processing occurs during the development of neuropathic pain induced by the cancer chemotherapeutic agent, paclitaxel. Yet, it is unclear what role neurons in supraspinal pain network sites, such as the periaqueductal gray, play in altered behavioral sensitivity seen during chronic pain conditions. To elucidate these mechanisms, we studied the spontaneous and thermally-evoked firing patterns of ventrolateral periaqueductal gray (vlPAG) neurons in awake behaving rats treated with paclitaxel to induce neuropathic pain...
March 21, 2017: Pain
https://www.readbyqxmd.com/read/28328536/neurotransmission-systems-in-parkinson-s-disease
#13
Hossein Sanjari Moghaddam, Ameneh Zare-Shahabadi, Farzaneh Rahmani, Nima Rezaei
Parkinson's disease (PD) is histologically characterized by the accumulation of α-synuclein particles, known as Lewy bodies. The second most common neurodegenerative disorder, PD is widely known because of the typical motor manifestations of active tremor, rigidity, and postural instability, while several prodromal non-motor symptoms including REM sleep behavior disorders, depression, autonomic disturbances, and cognitive decline are being more extensively recognized. Motor symptoms most commonly arise from synucleinopathy of nigrostriatal pathway...
March 22, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28326934/activations-of-muscarinic-m1-receptors-in-the-anterior-cingulate-cortex-contribute-to-the-antinociceptive-effect-via-gabaergic-transmission
#14
Kohei Koga, Yu Matsuzaki, Kenji Honda, Fumihiro Eto, Tomonori Furukawa, Keisuke Migita, Keiichi Irie, Kenichi Mishima, Shinya Ueno
Background Cholinergic systems regulate the synaptic transmission resulting in the contribution of the nociceptive behaviors. Anterior cingulate cortex is a key cortical area to play roles in nociception and chronic pain. However, the effect of the activation of cholinergic system for nociception is still unknown in the cortical area. Here, we tested whether the activation of cholinergic receptors can regulate nociceptive behaviors in adult rat anterior cingulate cortex by integrative methods including behavior, immunohistochemical, and electrophysiological methods...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326550/from-neuron-to-behavior-sensory-motor-coordination-of-zebrafish-turning-behavior
#15
REVIEW
Keiko Umeda, Wataru Shoji
Recent development of optogenetics brought non-invasive neural activation in living organisms. Transparent zebrafish larva is one of the suitable animal models for this technique, which enables us to investigate neural circuits for behaviors based on a whole individual nervous system. In this article we review our recent finding that suggests sensory-motor coordination in larval zebrafish escape behavior. When water vibration stimulates mechanosensory Rohon-Beard (RB) neurons, intra-spinal reflex circuit launches contralateral trunk muscle contraction that makes rapid body curvature for turning...
March 21, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28324955/identifying-important-regions-in-eeg-epilepsy-brain-networks
#16
Nantia D Iakovidou, Manolis Christodoulakis, Eleftherios S Papathanasiou, Savvas S Papacostas, Georgios D Mitsis
The human brain has been called the most complex object in the known universe and in many ways it constitutes the final frontier of science. Lately, the functional connectivity in human brain has been regarded and studied as a complex network using electroencephalography (EEG) signals. This means that the brain is studied as a connected system, where nodes represent different specialized brain regions and links or connections, represent communication pathways between the nodes. It is also fairly established that graph theory provides a variety of measures, methods and tools that can be useful to efficiently model, analyze and study an EEG network...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324704/bxd-recombinant-inbred-strains-participate-in-social-preference-anxiety-and-depression-behaviors-along-sex-differences-in-cytokines-and-tactile-allodynia
#17
Caridad López-Granero, Alessandra Antunes Dos Santos, Beatriz Ferrer, Megan Culbreth, Sudipta Chakraborty, Angel Barrasa, Maria Gulinello, Aaron B Bowman, Michael Aschner
Depression and anxiety are the most common psychiatric disorders, representing a major public health concern. Dysregulation of oxidative and inflammatory systems may be associated with psychiatric disorders, such as depression and anxiety. Due to the need to find appropriate animal models to the understanding of such disorders, we queried whether 2 BXD recombinant inbred (RI) mice strains (BXD21/TyJ RI and BXD84/RwwJ RI mice) and C57BL/6 wild-type mice show differential performance in depression and anxiety related behaviors and biomarkers...
March 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28324169/roles-of-centromedian-parafascicular-nuclei-of-thalamus-and-cholinergic-interneurons-in-the-dorsal-striatum-in-associative-learning-of-environmental-events
#18
REVIEW
Ko Yamanaka, Yukiko Hori, Takafumi Minamimoto, Hiroshi Yamada, Naoyuki Matsumoto, Kazuki Enomoto, Toshihiko Aosaki, Ann M Graybiel, Minoru Kimura
The thalamus provides a massive input to the striatum, but despite accumulating evidence, the functions of this system remain unclear. It is known, however, that the centromedian (CM) and parafascicular (Pf) nuclei of the thalamus can strongly influence particular striatal neuron subtypes, notably including the cholinergic interneurons of the striatum (CINs), key regulators of striatal function. Here, we highlight the thalamostriatal system through the CM-Pf to striatal CINs. We consider how, by virtue of the direct synaptic connections of the CM and PF, their neural activity contributes to the activity of CINs and striatal projection neurons (SPNs)...
March 21, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28324109/sex-specific-life-course-changes-in-the-neuro-metabolic-phenotype-of-glut3-null-heterozygous-mice-ketogenic-diet-ameliorates-electroencephalographic-seizures-and-improves-sociability
#19
Yun Dai, Yuanzi Zhao, Masatoshi Tomi, Bo-Chul Shin, Shanthie Thamotharan, Andrey Mazarati, Raman Sankar, Elizabeth A Wang, Carlos Cepeda, Michael S Levine, Jingjing Zhang, Andrew Frew, Jeffry R Alger, Peter Clark, Monica Sondhi, Sudatip Kositamongkol, Leah Leibovitch, Sherin U Devaskar
We tested the hypothesis that exposure of glut3+/- mice to a ketogenic diet ameliorates autism-like features which includes aberrant behavior and electrographic seizures. We first investigated the life course sex-specific changes in basal plasma-CSF-brain metabolic profile, brain glucose transport/uptake, glucose and monocarboxylate transporter proteins, and ATP in the presence or absence of systemic insulin administration. Glut3+/- male but not female mice (5m of age) displayed reduced CSF glucose/lactate concentrations with no change in brain Glut1, Mct2, glucose uptake or ATP...
January 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324069/glucose-homeostasis-regulation-by-peripheral-circadian-clocks-in-rodents-and-humans
#20
Frederic Gachon, Ursula Loizides-Mangold, Volodymyr Petrenko, Charna Dibner
Most organisms, including humans, have developed an intrinsic system of circadian oscillators, allowing the anticipation of events related to the rotation of the Earth around its own axis. The mammalian circadian timing system orchestrates nearly all aspects of physiology and behavior. Together with systemic signals, emanating from the central clock which resides in the hypothalamus, peripheral oscillators orchestrate tissue-specific fluctuations in gene expression, protein synthesis, and posttranslational modifications, driving overt rhythms in physiology and behavior...
March 15, 2017: Endocrinology
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