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https://www.readbyqxmd.com/read/29057385/a-network-neuroscience-of-neurofeedback-for-clinical-translation
#1
Andrew C Murphy, Danielle S Bassett
In the emerging field of network neuroscience, the brain is represented as a network of discrete yet functionally and structurally interconnected areas. Mathematical and computational tools to characterize the organization of this network can provide insights into the principles guiding brain structure and function, and can pinpoint differences between healthy individuals and individuals suffering from psychiatric disease or neurological disorders. The field is now faced with the question of how to devise clinical interventions that target these network alterations...
March 2017: Curr Opin Biomed Eng
https://www.readbyqxmd.com/read/29056557/akap150-involved-in-paclitaxel-induced-neuropathic-pain-via-inhibiting-cn-nfat2-pathway-and-downregulating-il-4
#2
Bilin Nie, Cuicui Liu, Xiaohui Bai, Xiaodi Chen, Shaoyong Wu, Subo Zhang, Zhuxi Huang, Manxiu Xie, Ting Xu, Wenjun Xin, Weian Zeng, Handong Ouyang
Antitubulin chemotherapeutics agents, such as paclitaxel, are effective chemotherapy drugs for cancer treatment. However, painful neuropathy is a major adverse effect limiting the wider application of chemotherapeutics. In this study, we found that A-kinase anchor protein 150 (AKAP150) was significantly upregulated after paclitaxel injection. Inhibition of AKAP150 via siRNA or AKAP150(flox/flox) in rodents alleviated the pain behavior induced by paclitaxel, and partly restored the decreased calcineurin (CN) phosphatase activity after paclitaxel treatment...
October 19, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29055715/live-or-let-die-neuroprotective-and-anti-cancer-effects-of-nutraceutical-antioxidants
#3
REVIEW
Xiao-Yuan Mao, Ming-Zhu Jin, Jin-Fei Chen, Hong-Hao Zhou, Wei-Lin Jin
Diet sources are closely involved in the pathogenesis of diverse neuropsychiatric disorders and cancers, in addition to inherited factors. Currently, natural products or nutraceuticals (commonly called medical foods) are increasingly employed for adjunctive therapy of these patients. However, the potential molecular mechanisms of the nutrient efficacy remain elusive. In this review, we summarized the neuroprotective and anti-cancer mechanisms of nutraceuticals. It was concluded that the nutraceuticals exerted neuroprotection and suppressed tumor growth possibly through the differential modulations of redox homeostasis...
October 18, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29055445/systematic-review-of-depression-in-patients-with-multiple-sclerosis-and-its-relationship-to-interferon%C3%AE-treatment
#4
REVIEW
Leila Alba Palé, Jordi León Caballero, Berta Samsó Buxareu, Purificación Salgado Serrano, Víctor Pérez Solà
BACKGROUND: Multiple sclerosis is a chronic disease considered the major cause of neurological disability in young adults worldwide. While depression is considered a determinant factor of impaired quality of life and poorer prognosis among patients with multiple sclerosis, it is very often dismissed and undertreated by physicians. Depression has been related to treatment with some immunomodulatory drugs, such as IFNβ. Data from patients who committed suicide during the pivotal study of interferon used as a disease modifying treatment in multiple sclerosis support this association...
October 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29055250/clinical-characteristics-of-patients-with-diagnostic-uncertainty-of-major-depressive-disorder
#5
Taichi Mogi, Hiroyuki Toda, Aihide Yoshino
BACKGROUND: Physicians do not always confidently diagnose psychiatric disorders. The present study was conducted to identify the clinical characteristics of patients in whom a definitive diagnosis of major depressive disorder (MDD) could not be established. METHODS: The participants were 199 consecutive outpatients with MDD, who were comprehensively diagnosed using the Mini International Neuropsychiatric Interview (MINI). The physician in charge of each patient quantified his/her sense of self-confidence in diagnosing the patient with MDD using the self-rating questionnaire in which the score ranged from 1 (not at all confident) to 5 (definitely MDD)...
October 16, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29054730/the-translocator-protein-18kda-and-its-role-in-neuropsychiatric-disorders
#6
REVIEW
Tatiana Barichello, Lutiana R Simões, Allan Collodel, Vijayasree V Giridharan, Felipe Dal-Pizzol, Danielle Macedo, Joao Quevedo
Translocator protein (TSPO) is an 18kDa translocator membrane protein expressed in the outer mitochondrial membrane of steroid-synthesizing cells in the central and peripheral nervous systems. TSPO is involved in cellular functions, including the regulation of cell proliferation, transport of cholesterol to the inner mitochondrial membranes of glial cells, regulation of mitochondrial quality control, and haem synthesis. In the brain, TSPO has been extensively used as a biomarker of injury and inflammation. Indeed, TSPO was up-regulated in several inflammatory and neurodegenerative diseases...
October 17, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29054014/sex-differences-in-behavioral-and-neurochemical-effects-of-gonadectomy-and-aromatase-inhibition-in-rats
#7
N Kokras, N Pastromas, D Papasava, C de Bournonville, C A Cornil, C Dalla
Aromatase inhibitors, which are widely used for the treatment of estrogen-dependent cancers, have been associated with psychiatric side effects ranging from mania to depression. In the present study, we investigated sex differences in the behavioral and neurochemical effects of aromatase inhibition on male and female, sham-operated or gonadectomized adult rats. Three weeks after surgery, rats received chronic treatment with the aromatase inhibitor letrozole or vehicle and were then subjected to the open field test, which assesses general activity...
October 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29053799/erythropoietin-induces-homeostatic-plasticity-at-hippocampal-synapses
#8
Raquel B Dias, Tiago M Rodrigues, Diogo M Rombo, Filipa F Ribeiro, Joana Rodrigues, Jennifer McGarvey, Catarina Orcinha, Jeremy M Henley, Ana M Sebastião
The cytokine erythropoietin (EPO) is the master regulator of erythropoiesis. Intriguingly, many studies have shown that the cognitive performance of patients receiving EPO for its hematopoietic effects is enhanced, which prompted the growing interest in the use of EPO-based strategies to treat neuropsychiatric disorders. EPO plays key roles in brain development and maturation, but also modulates synaptic transmission. However, the mechanisms underlying the latter have remained elusive. Here, we show that acute (40-60 min) exposure to EPO presynaptically downregulates spontaneous and afferent-evoked excitatory transmission, without affecting basal firing of action potentials...
July 5, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29053771/the-cerebellum-in-alzheimer-s-disease-evaluating-its-role-in-cognitive-decline
#9
Heidi I L Jacobs, David A Hopkins, Helen C Mayrhofer, Emiliano Bruner, Fred W van Leeuwen, Wijnand Raaijmakers, Jeremy D Schmahmann
The cerebellum has long been regarded as essential only for the coordination of voluntary motor activity and motor learning. Anatomical, clinical and neuroimaging studies have led to a paradigm shift in the understanding of the cerebellar role in nervous system function, demonstrating that the cerebellum appears integral also to the modulation of cognition and emotion. The search to understand the cerebellar contribution to cognitive processing has increased interest in exploring the role of the cerebellum in neurodegenerative and neuropsychiatric disorders...
July 28, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29053217/behavioral-control-by-striatal-a2a-dopamine-d2-receptor-heteromers
#10
Jaume Taura, Marta Valle-León, Kristoffer Sahlholm, Masahiko Watanabe, Katheleen Van Craenenbroeck, Víctor Fernández-Dueñas, Sergi Ferré, Francisco Ciruela
G protein-coupled receptors (GPCR) exhibit the ability to form receptor complexes that include molecularly different GPCR (i.e. GPCR heteromers), which endow them with singular functional and pharmacological characteristics. The relative expression of GPCR heteromers remains a matter of intense debate. Recent studies support that adenosine A2A receptors (A2A R) and dopamine D2 receptors (D2 R) predominantly form A2A R-D2 R heteromers in the striatum. The aim of the present study was evaluating the behavioral effects of pharmacological manipulation and genetic blockade of A2A R and D2 R within the frame of such a predominant striatal heteromeric population...
October 20, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29052691/discontinuing-inappropriate-medication-use-in-nursing-home-residents-a-cluster-randomized-controlled-trial
#11
Hans Wouters, Jessica Scheper, Hedi Koning, Chris Brouwer, Jos W Twisk, Helene van der Meer, Froukje Boersma, Sytse U Zuidema, Katja Taxis
Background: Inappropriate prescribing is a well-known clinical problem in nursing home residents, but few interventions have focused on reducing inappropriate medication use. Objective: To examine successful discontinuation of inappropriate medication use and to improve prescribing in nursing home residents. Design: Pragmatic cluster randomized controlled trial, with clustering by elder care physicians and their wards. (ClinicalTrials.gov: NCT01876095)...
October 10, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29052145/cell-death-pathways-a-novel-therapeutic-approach-for-neuroscientists
#12
REVIEW
G Morris, A J Walker, M Berk, M Maes, B K Puri
In the first part, the following mechanisms involved in different forms of cell death are considered, with a view to identifying potential therapeutic targets: tumour necrosis factor receptors (TNFRs) and their engagement by tumour necrosis factor-alpha (TNF-α); poly [ADP-ribose] polymerase (PARP)-1 cleavage; the apoptosis signalling kinase (ASK)-c-Jun N-terminal kinase (JNK) axis; lysosomal permeability; activation of programmed necrotic cell death; oxidative stress, caspase-3 inhibition and parthanatos; activation of inflammasomes by reactive oxygen species and the development of pyroptosis; oxidative stress, calcium dyshomeostasis and iron in the development of lysosomal-mediated necrosis and lysosomal membrane permeability; and oxidative stress, lipid peroxidation, iron dyshomeostasis and ferroptosis...
October 19, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29051736/novel-peripherally-restricted-cannabinoid-1-receptor-selective-antagonist-txx-522-with-prominent-weight-loss-efficacy-in-diet-induced-obese-mice
#13
Wei Chen, Fengchun Shui, Cheng Liu, Xinbo Zhou, Wei Li, Zhibing Zheng, Wei Fu, Lili Wang
The clinical development of the first generation of globally active cannabinoid 1 receptor (CB1R) antagonists was suspended because of their adverse neuropsychiatric effects. Selective blockade of peripheral CB1Rs has the potential to provide a viable strategy for the treatment of severe obesity while avoiding these central nervous system side effects. In the current study, a novel compound (TXX-522) was rationally designed based on the parent nucleus of a classical CB1R-selective antagonist/inverse agonist, rimonabant (SR141716A)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29051383/d4-dopamine-receptor-high-resolution-structures-enable-the-discovery-of-selective-agonists
#14
Sheng Wang, Daniel Wacker, Anat Levit, Tao Che, Robin M Betz, John D McCorvy, A J Venkatakrishnan, Xi-Ping Huang, Ron O Dror, Brian K Shoichet, Bryan L Roth
Dopamine receptors are implicated in the pathogenesis and treatment of nearly every neuropsychiatric disorder. Although thousands of drugs interact with these receptors, our molecular understanding of dopaminergic drug selectivity and design remains clouded. To illuminate dopamine receptor structure, function, and ligand recognition, we determined crystal structures of the D4 dopamine receptor in its inactive state bound to the antipsychotic drug nemonapride, with resolutions up to 1.95 angstroms. These structures suggest a mechanism for the control of constitutive signaling, and their unusually high resolution enabled a structure-based campaign for new agonists of the D4 dopamine receptor...
October 20, 2017: Science
https://www.readbyqxmd.com/read/29049464/clustering-of-neuropsychiatric-disease-in-first-degree-and-second-degree-relatives-of-patients-with-amyotrophic-lateral-sclerosis
#15
Margaret O'Brien, Tom Burke, Mark Heverin, Alice Vajda, Russell McLaughlin, John Gibbons, Susan Byrne, Marta Pinto-Grau, Marwa Elamin, Niall Pender, Orla Hardiman
Importance: Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative condition primarily involving the motor system. There is increasing epidemiologic evidence of an association between ALS and a wider spectrum of neurodegenerative and neuropsychiatric disorders among family members, including schizophrenia and psychotic illness and suicidal behavior. Objective: To examine the frequency and range of neuropsychiatric conditions that occur within individual first-degree and second-degree relatives of patients with ALS...
October 16, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29046641/buspirone-counteracts-mk-801-induced-schizophrenia-like-phenotypes-through-dopamine-d3-receptor-blockade
#16
Sebastiano Alfio Torrisi, Salvatore Salomone, Federica Geraci, Filippo Caraci, Claudio Bucolo, Filippo Drago, Gian Marco Leggio
Background: Several efforts have been made to develop effective antipsychotic drugs. Currently, available antipsychotics are effective on positive symptoms, less on negative symptoms, but not on cognitive impairment, a clinically relevant dimension of schizophrenia. Drug repurposing offers great advantages over the long-lasting, risky and expensive, de novo drug discovery strategy. To our knowledge, the possible antipsychotic properties of buspirone, an azapirone anxiolytic drug marketed in 1986 as serotonin 5-HT1A receptor (5-HT1AR) partial agonist, have not been extensively investigated despite its intriguing pharmacodynamic profile, which includes dopamine D3 (D3R) and D4 receptor (D4R) antagonist activity...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29046483/deficiency-of-shank2-causes-mania-like-behavior-that-responds-to-mood-stabilizers
#17
Andrea L Pappas, Alexandra L Bey, Xiaoming Wang, Mark Rossi, Yong Ho Kim, Haidun Yan, Fiona Porkka, Lara J Duffney, Samantha M Phillips, Xinyu Cao, Jin-Dong Ding, Ramona M Rodriguiz, Henry H Yin, Richard J Weinberg, Ru-Rong Ji, William C Wetsel, Yong-Hui Jiang
Genetic defects in the synaptic scaffolding protein gene, SHANK2, are linked to a variety of neuropsychiatric disorders, including autism spectrum disorders, schizophrenia, intellectual disability, and bipolar disorder, but the molecular mechanisms underlying the pleotropic effects of SHANK2 mutations are poorly understood. We generated and characterized a line of Shank2 mutant mice by deleting exon 24 (Δe24). Shank2Δe24-/- mice engage in significantly increased locomotor activity, display abnormal reward-seeking behavior, are anhedonic, have perturbations in circadian rhythms, and show deficits in social and cognitive behaviors...
October 19, 2017: JCI Insight
https://www.readbyqxmd.com/read/29046235/white-matter-integrity-correlates-with-depressive-symptomatology-in-temporal-lobe-epilepsy
#18
Brian Kavanaugh, Stephen Correia, Jacob Jones, Andrew Blum, W Curt LaFrance, Jennifer Duncan Davis
RATIONALE: White matter abnormalities occur in both temporal lobe epilepsy (TLE) and depression, but there is limited research examining the depression-white matter association in depressed individuals with TLE. This study examined the relationship between white matter integrity (WMI) and depression including the influence of age at seizure onset, in adults with TLE, TLE and depression, and depression only. METHODS: Thirty-one adults were in one of three groups: TLE without depression (TLE; n=11), TLE with depression (TLE+DEP; n=9), and depression without TLE (DEP; n=11)...
October 16, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29044699/diabetic-striatopathy-manifesting-as-severe-consciousness-disturbance-with-no-involuntary-movements
#19
Hiroki Sato, Makoto Hamano, Etsuko Fushimi, Toshiaki Takahashi, Yohei Horikawa, Satoru Horiguchi
BACKGROUND: Diabetic striatopathy, one of the complications of diabetes mellitus, is characterized by involuntary movements, including hemichorea and hemiballismus, and the presence of hyperintense lesions on T1-weighted magnetic resonance imaging of the striatum. CASE REPORT: We present a case of diabetic striatopathy manifesting as severe consciousness disturbance without chorea or ballismus. A 58-year-old man was admitted to our hospital in a state of unconsciousness...
October 17, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/29042896/genome-wide-supported-risk-variants-in-mir137-cacna1c-csmd1-drd2-and-grm3-contribute-to-schizophrenia-susceptibility-in-pakistani-population
#20
Ambrin Fatima, Muhammad Farooq, Uzma Abdullah, Muhammad Tariq, Tanveer Mustafa, Muhammad Iqbal, Niels Tommerup, Shahid Mahmood Baig
OBJECTIVE: Schizophrenia is a chronic neuropsychiatric disease afflicting around 1.1% of the population worldwide. Recently, MIR137, CACNA1C, CSMD1, DRD2, and GRM3 have been reported as the most robustly emerging candidates involved in the etiology of schizophrenia. In this case control study, we performed an association analysis of rs1625579 (MIR137), rs1006737, rs4765905 (CACNA1C), rs10503253 (CSMD1), rs1076560 (DRD2), rs12704290, rs6465084, and rs148754219 (GRM3) in Pakistani population...
September 2017: Psychiatry Investigation
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