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https://www.readbyqxmd.com/read/28108322/effect-of-zbd-2-on-chronic-pain-depressive-like-behaviors-and-recovery-of-motor-function-following-spinal-cord-injury-in-mice
#1
Xiao-Ming Li, Jia Meng, Lin Tao Li, Ting Guo, Liu-Kun Yang, Qi-Xin Shi, Xu-Bo Li, Yong Chen, Qi Yang, Jian-Ning Zhao
In addition to debilitating sensory and motor deficits, patients with spinal cord injury (SCI) may experience chronic hyperpathic pain (SCI-pain). Recent studies have revealed that translocator protein (TSPO) is involved in repairing neural cells as well as reducing anxiety and depression. However, the role of TSPO in SCI-pain and pain-induced depression remains unknown. The present study aimed to determine the effects of a new TSPO ligand, ZBD-2, on SCI-pain and consequent pain-induced depressive-like behaviors in mice...
January 17, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28107893/influence-of-stress-systems-and-physical-activity-on-different-dimensions-of-fatigue-in-female-fibromyalgia-patients
#2
Johanna M Doerr, Susanne Fischer, Urs M Nater, Jana Strahler
OBJECTIVE: Fatigue is a defining characteristic and one of the most debilitating features of fibromyalgia syndrome (FMS). The mechanisms underlying different dimensions of fatigue in FMS remain unclear. The aim of the current study was to test whether stress-related biological processes and physical activity modulate fatigue experience. METHODS: Using an ambulatory assessment design, 26 female FMS patients reported general, mental, and physical fatigue levels at six time points per day for 14 consecutive days...
February 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28107854/mindfulness-based-group-therapy-for-systemic-lupus-erythematosus-a-first-exploration-of-a-promising-mind-body-intervention
#3
Danny Horesh, Ittai Glick, Renen Taub, Nancy Agmon-Levin, Yehuda Shoenfeld
Psychological effects related to systemic lupus erythematosus (SLE) are tremendous. While a variety of psychological treatments have been applied to assist SLE patients, the effects of mindfulness practice were never documented in SLE. Mindfulness-based psychotherapy includes several techniques, including body-scan, breathing exercises, and full awareness during daily activities. In this case report, we present a first attempt at conducting mindfulness-based group therapy among SLE patients. Six female SLE patients participated in an 8-week program...
February 2017: Complementary Therapies in Clinical Practice
https://www.readbyqxmd.com/read/28107363/age-dependent-neuroendocrine-signaling-from-sensory-neurons-modulates-the-effect-of-dietary-restriction-on-longevity-of-caenorhabditis-elegans
#4
Marissa Fletcher, Dennis H Kim
Dietary restriction extends lifespan in evolutionarily diverse animals. A role for the sensory nervous system in dietary restriction has been established in Drosophila and Caenorhabditis elegans, but little is known about how neuroendocrine signals influence the effects of dietary restriction on longevity. Here, we show that DAF-7/TGFβ, which is secreted from the C. elegans amphid, promotes lifespan extension in response to dietary restriction in C. elegans. DAF-7 produced by the ASI pair of sensory neurons acts on DAF-1/TGFβ receptors expressed on interneurons to inhibit the co-SMAD DAF-3...
January 20, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28105532/machiavellian-emotion-regulation-in-a-cognitive-reappraisal-task-an-fmri-study
#5
Anita Deak, Barbara Bodrogi, Brigitte Biro, Gabor Perlaki, Gergely Orsi, Tamas Bereczkei
Affective coldness is one of the main features of Machiavellianism. Recent studies have revealed that Machiavellians are emotionally detached and that this "affective blunting" is associated with intense feelings, emotional instability, negative emotions, and difficulty in enduring distress. We used brain-imaging techniques to investigate emotion regulation in Machiavellianism at a neuropsychological level. We used situations in which participants were required to demonstrate emotional flexibility to explore the controversy surrounding the fact that Machiavellianism is associated with both cold-mindedness and emotional instability...
January 19, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28105095/preliminary-results-of-a-non-invasive-method-to-measure-tumor-size-and-distribution-in-vivo
#6
Shu-Ling Fu, Chien-An Chen, Ling-Chien Hung, Moon-Sing Lee, Wen-Yen Chiou, Hon-Yi Lin, Yu-Chieh Su, Ching-Chih Lee, Shih-Kai Hung
Molecular imaging of reporter gene expression in cancer cells can provide rapid, sensitive and non-invasive monitoring of tumor behavior. The aim of the present study was to establish a non-invasive method to measure tumor size and distribution in vivo. Briefly, H-Ras-transformed cells were stably transfected with a plasmid containing the luciferase gene (Luc), designated as Ras/Luc. Ras/Luc cells were injected into the back or tail vein of nude BALB/cAnN-Foxn1nu/CrlNarl mice (age, 6-8 weeks). Mice were subsequently administered D-luciferin via intra-peritoneal injection, prior to image acquisition...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104799/muscles-innervated-by-a-single-motor-neuron-exhibit-divergent-synaptic-properties-on-multiple-time-scales
#7
Dawn M Blitz, Amy E Pritchard, John K Latimer, Andrew T Wakefield
Adaptive changes in the output of neural circuits underlying rhythmic behaviors are relayed to muscles via motor neuron activity. Pre- and postsynaptic properties of neuromuscular junctions can impact the transformation from motor neuron activity to muscle response. Further, synaptic plasticity occurring on the time scale of inter-spike intervals can differ between multiple muscles innervated by the same motor neuron. In rhythmic behaviors, motor neuron bursts can elicit additional synaptic plasticity. However, it is unknown if plasticity regulated by the longer time scale of inter-burst intervals also differs between synapses from the same neuron, and whether any such distinctions occur across a physiological activity range...
January 19, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28104469/culturally-grounded-diabetes-prevention-program-for-obese-latino-youth-rationale-design-and-methods
#8
A N Williams, Y P Konopken, C S Keller, F G Castro, K Arcoleo, E Barraza, D L Patrick, M L Olson, G Q Shaibi
BACKGROUND: Type 2 diabetes (T2D) disproportionately impacts Latino youth yet few diabetes prevention programs address this important source of health disparities. OBJECTIVES: To address this knowledge gap, we describe the rationale, design, and methodology underpinning a culturally-grounded T2D prevention program for obese Latino youth. The study aims to: 1) to test the efficacy of the intervention for reducing T2D risk, 2) explore potential mediators and moderators of changes in health behaviors and health outcomes and, 3) examine the incremental cost-effectiveness for reducing T2D risk...
January 16, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28103567/predictive-control-of-networked-multiagent-systems-via-cloud-computing
#9
Guo-Ping Liu
This paper studies the design and analysis of networked multiagent predictive control systems via cloud computing. A cloud predictive control scheme for networked multiagent systems (NMASs) is proposed to achieve consensus and stability simultaneously and to compensate for network delays actively. The design of the cloud predictive controller for NMASs is detailed. The analysis of the cloud predictive control scheme gives the necessary and sufficient conditions of stability and consensus of closed-loop networked multiagent control systems...
January 18, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28102357/a-single-identified-glomerulus-in-the-zebrafish-olfactory-bulb-carries-the-high-affinity-response-to-death-associated-odor-cadaverine
#10
Milan Dieris, Gaurav Ahuja, Venkatesh Krishna, Sigrun I Korsching
The death-associated odor cadaverine, generated by bacteria-mediated decarboxylation of lysine, has been described as the principal activator of a particular olfactory receptor in zebrafish, TAAR13c. Low concentrations of cadaverine activated mainly TAAR13c-expressing olfactory sensory neurons, suggesting TAAR13c as an important element of the neuronal processing pathway linking cadaverine stimulation to a strongly aversive innate behavioral response. Here, we characterized the initial steps of this neuronal pathway...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101525/untangling-basal-ganglia-network-dynamics-and-function-role-of-dopamine-depletion-and-inhibition-investigated-in-a-spiking-network-model
#11
Mikael Lindahl, Jeanette Hellgren Kotaleski
The basal ganglia are a crucial brain system for behavioral selection, and their function is disturbed in Parkinson's disease (PD), where neurons exhibit inappropriate synchronization and oscillations. We present a spiking neural model of basal ganglia including plausible details on synaptic dynamics, connectivity patterns, neuron behavior, and dopamine effects. Recordings of neuronal activity in the subthalamic nucleus and Type A (TA; arkypallidal) and Type I (TI; prototypical) neurons in globus pallidus externa were used to validate the model...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28100747/selective-deletion-of-sodium-salt-taste-during-development-leads-to-expanded-terminal-fields-of-gustatory-nerves-in-the-adult-mouse-nucleus-of-the-solitary-tract
#12
Chengsan Sun, Edith Hummler, David L Hill
: Neuronal activity plays a key role in the development of sensory circuits in the mammalian brain. In the gustatory system, experimental manipulations now exist, through genetic manipulations of specific taste transduction processes, to examine how specific taste qualities (i.e., basic tastes) impact the functional and structural development of gustatory circuits. Here, we used a mouse knock-out model in which the transduction component used to discriminate sodium salts from other taste stimuli was deleted in taste bud cells throughout development...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100742/visual-sampling-predicts-hippocampal-activity
#13
Zhong-Xu Liu, Kelly Shen, Rosanna K Olsen, Jennifer D Ryan
: Eye movements serve to accumulate information from the visual world, contributing to the formation of coherent memory representations that support cognition and behavior. The hippocampus and the oculomotor network are well connected anatomically through an extensive set of polysynaptic pathways. However, the extent to which visual sampling behavior is related to functional responses in the hippocampus during encoding has not been studied directly in human neuroimaging. In the current study, participants engaged in a face processing task while brain responses were recorded with fMRI and eye movements were monitored simultaneously...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100737/selectivity-in-postencoding-connectivity-with-high-level-visual-cortex-is-associated-with-reward-motivated-memory
#14
Vishnu P Murty, Alexa Tompary, R Alison Adcock, Lila Davachi
: Reward motivation has been demonstrated to enhance declarative memory by facilitating systems-level consolidation. Although high-reward information is often intermixed with lower reward information during an experience, memory for high value information is prioritized. How is this selectivity achieved? One possibility is that postencoding consolidation processes bias memory strengthening to those representations associated with higher reward. To test this hypothesis, we investigated the influence of differential reward motivation on the selectivity of postencoding markers of systems-level memory consolidation...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100491/motor-control-by-precisely-timed-spike-patterns
#15
Kyle H Srivastava, Caroline M Holmes, Michiel Vellema, Andrea R Pack, Coen P H Elemans, Ilya Nemenman, Samuel J Sober
A fundamental problem in neuroscience is understanding how sequences of action potentials ("spikes") encode information about sensory signals and motor outputs. Although traditional theories assume that this information is conveyed by the total number of spikes fired within a specified time interval (spike rate), recent studies have shown that additional information is carried by the millisecond-scale timing patterns of action potentials (spike timing). However, it is unknown whether or how subtle differences in spike timing drive differences in perception or behavior, leaving it unclear whether the information in spike timing actually plays a role in brain function...
January 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28100305/environment-directed-activation-the-escherichia-coli-flhdc-operon-by-transposons
#16
Zhongge Zhang, Chika Kukita, Mir Zafri Humayun, Milton H Saier
The flagellar system in E. coli K12 is expressed under the control of the flhDC-encoded master regulator, FlhDC. Transposition of insertion sequence (IS) elements to the upstream flhDC promoter region up-regulates transcription of this operon, resulting in more rapid motility. Wang and Wood (2011) provided evidence that insertion of IS5 into upstream activating sites occurs at higher rates in semisolid agar media in which swarming behavior is allowed as compared with liquid or solid media where swarming cannot occur...
January 17, 2017: Microbiology
https://www.readbyqxmd.com/read/28099924/microrna-140-mediates-rb-tumor-suppressor-function-to-control-stem-cell-like-activity-through-interleukin-6
#17
Akiyo Yoshida, Shunsuke Kitajima, Fengkai Li, Chaoyang Cheng, Yujiro Takegami, Susumu Kohno, Yuan Song Wan, Naoyuki Hayashi, Hayato Muranaka, Yuuki Nishimoto, Naoko Nagatani, Takumi Nishiuchi, Tran C Thai, Sawako Suzuki, Shinji Nakao, Tomoaki Tanaka, Osamu Hirose, David A Barbie, Chiaki Takahashi
We established an in vitro cell culture system to determine novel activities of the retinoblastoma (Rb) protein during tumor progression. Rb depletion in p53-null mouse-derived soft tissue sarcoma cells induced a spherogenic phenotype. Cells retrieved from Rb-depleted spheres exhibited slower proliferation and less efficient BrdU incorporation, however, much higher spherogenic activity and aggressive behavior. We discovered six miRNAs, including mmu-miR-18a, -25, -29b, -140, -337, and -1839, whose expression levels correlated tightly with the Rb status and spherogenic activity...
January 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099875/sustained-attention-and-heart-rate-variability-in-children-and-adolescents-with-adhd
#18
Kristi R Griffiths, Daniel S Quintana, Daniel F Hermens, Chris Spooner, Tracey W Tsang, Simon Clarke, Michael R Kohn
The autonomic nervous system (ANS) plays an important role in attention and self-regulation by modulating physiological arousal to meet environmental demands. Core symptoms of ADHD such as inattention and behavioral disinhibition may be related to dysregulation of the ANS, however previous findings have been equivocal. We examined autonomic activity and reactivity by assessing heart rate variability (HRV) in a large sample of un-medicated children and adolescents (6-19 years) with ADHD (n=229) compared to typically-developing controls (n=244) during rest and sustained attention...
January 15, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28099325/intraoperative-clinical-decision-support-for-anesthesia-a-narrative-review-of-available-systems
#19
Bala G Nair, Eilon Gabel, Ira Hofer, Howard A Schwid, Maxime Cannesson
With increasing adoption of anesthesia information management systems (AIMS), there is growing interest in utilizing AIMS data for intraoperative clinical decision support (CDS). CDS for anesthesia has the potential for improving quality of care, patient safety, billing, and compliance. Intraoperative CDS can range from passive and post hoc systems to active real-time systems that can detect ongoing clinical issues and deviations from best practice care. Real-time CDS holds the most promise because real-time alerts and guidance can drive provider behavior toward evidence-based standardized care during the ongoing case...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28098886/novel-zinc-phthalocyanine-as-a-promising-photosensitizer-for-photodynamic-treatment-of-esophageal-cancer
#20
Weronika Kuzyniak, Jacob Schmidt, Wojciech Glac, Janine Berkholz, Gustav Steinemann, Björn Hoffmann, Eugeny A Ermilov, Ayşe Gül Gürek, Vefa Ahsen, Bianca Nitzsche, Michael Höpfner
Photodynamic therapy (PDT) has gathered much attention in the field of cancer treatment and is increasingly used as an alternative solution for esophageal cancer therapy. However, there is a constant need for improving the effectiveness and tolerability of the applied photosensitizers (PS). Here, we propose tetra-triethyleneoxysulfonyl substituted zinc phthalocyanine (ZnPc) as a promising PS for photodynamic treatment of esophageal cancer. ZnPc-induced phototoxicity was studied in two human esophageal cancer cell lines: OE-33 (adenocarcinoma) and Kyse-140 (squamous cell carcinoma)...
January 17, 2017: International Journal of Oncology
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