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https://www.readbyqxmd.com/read/29458125/pluripotent-stem-cells-for-uncovering-the-role-of-mitochondria-in-human-brain-function-and-dysfunction
#1
REVIEW
Annika Zink, Josef Priller, Alessandro Prigione
Mitochondrial dysfunctions are a known pathogenetic mechanism of a number of neurological and psychiatric disorders. At the same time, mutations in genes encoding for components of the mitochondrial respiratory chain cause mitochondrial diseases, which commonly exhibit neurological symptoms. Mitochondria are therefore critical for the functionality of the human nervous system. The importance of mitochondria stems from their key roles in cellular metabolism, calcium handling, redox and protein homeostasis, and overall cellular homeostasis through their dynamic network...
February 16, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29458121/the-paradox-of-marrow-adipose-tissue-in-anorexia-nervosa
#2
Pouneh K Fazeli, Anne Klibanski
Anorexia nervosa (AN) is a psychiatric disorder characterized by inappropriate nutrient intake resulting in low body weight. Multiple hormonal adaptations facilitate decreased energy expenditure in this state of caloric deprivation including non-thyroidal illness syndrome, growth hormone resistance, and hypogonadotropic hypogonadism. Although these hormonal adaptations confer a survival advantage during periods of negative energy balance, they contribute to the long-term medical complications associated with AN, the most common of which is significant bone loss and an increased risk of fracture...
February 16, 2018: Bone
https://www.readbyqxmd.com/read/29457916/systematic-review-of-psychiatric-signs-in-niemann-pick-disease-type-c
#3
Olivier Bonnot, Hans-Hermann Klünemann, Christian Velten, Juan Vicente Torres Martin, Mark Walterfang
OBJECTIVES: We conducted the first systematic literature review and analysis of psychiatric manifestations in Niemann-Pick disease type C (NPC) to describe: 1) time of occurrence of psychiatric manifestations relative to other disease manifestations; 2) frequent combinations of psychiatric, neurological and visceral disease manifestations. METHODS: A systematic EMBase literature search was conducted to identify, collate and analyze published data from patients with NPC associated with psychiatric symptoms, published between January 1967 and November 2015...
February 19, 2018: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29457888/potential-therapeutic-applications-for-inhibitors-of-autotaxin-a-bioactive-lipid-producing-lysophospholipase-d-in-disorders-affecting-the-nervous-system
#4
Deron R Herr, Jolin Hwee-Jing Ong, Wei-Yi Ong
Autotaxin is a dual-function ecto-enzyme, encoded by the gene ENPP2, which is the primary source of the bioactive signaling lipid, lysophosphatidic acid. Aberrations in autotaxin/lysophosphatidic acid signaling have been associated with a number of neurological, psychiatric, neoplastic, and neurodevelopmental conditions, such as pain, pruritus, glioblastoma multiforme, multiple sclerosis, Alzheimer's disease, hydrocephalus, and schizophrenia. This Viewpoint offers a brief overview of the likely indications for therapeutic targeting of autotaxin, in disorders affecting the nervous system...
February 19, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29457676/subthalamic-nucleus-pathology-contributes-to-repetitive-behavior-expression-and-is-reversed-by-environmental-enrichment
#5
Mark H Lewis, Zsuzsa Buchwald, Kathryn Boswell, Gabriella Edington, Michael A King, Amber M Muehlmann
Repetitive motor behaviors are common in neurodevelopmental, psychiatric, and neurological disorders. Despite their prevalence in certain clinical populations, our understanding of the neurobiological cause of repetitive behavior is lacking. Likewise, not knowing the pathophysiology has precluded efforts to find effective drug treatments. Our comparisons between mouse strains that differ in their expression of repetitive behavior revealed an important role of the subthalamic nucleus. In mice with high rates of repetitive behavior, we found significant differences in dendritic spine density, gene expression, and neuronal activation in the subthalamic nucleus...
February 19, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29457672/gambling-related-cognitive-distortions-predict-level-of-function-among-us-veterans-seeking-treatment-for-gambling-disorders
#6
Steven D Shirk, Megan M Kelly, Shane W Kraus, Marc N Potenza, Kendra Pugh, Christopher Waltrous, Edward Federman, Christopher Krebs, Charles E Drebing
BACKGROUND AND OBJECTIVES: Gambling Disorder (GD) is characterized by recurrent gambling behavior that is associated with significant impairment and distress, high psychiatric comorbidities, and high functional disability. The military veteran population appears particularly susceptible to developing the disorder, but relatively little has been studied among this population. The purpose of the present study is to investigate the clinical psychopathologies and comorbidities of veterans seeking treatment for problem gambling and how problem gambling may impact functioning...
February 19, 2018: American Journal on Addictions
https://www.readbyqxmd.com/read/29457645/research-review-test-retest-reliability-of-standardized-diagnostic-interviews-to-assess-child-and-adolescent-psychiatric-disorders-a-systematic-review-and-meta-analysis
#7
REVIEW
Laura Duncan, Jinette Comeau, Li Wang, Irene Vitoroulis, Michael H Boyle, Kathryn Bennett
BACKGROUND: A better understanding of factors contributing to the observed variability in estimates of test-retest reliability in published studies on standardized diagnostic interviews (SDI) is needed. The objectives of this systematic review and meta-analysis were to estimate the pooled test-retest reliability for parent and youth assessments of seven common disorders, and to examine sources of between-study heterogeneity in reliability. METHODS: Following a systematic review of the literature, multilevel random effects meta-analyses were used to analyse 202 reliability estimates (Cohen's kappa = ҡ) from 31 eligible studies and 5,369 assessments of 3,344 children and youth...
February 19, 2018: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29457475/civil-forensic-psychiatry-part-2-specific-issues
#8
Anthony H Samuels
OBJECTIVES: This paper describes the main areas of civil forensic psychiatry (FP) and the skills required by psychiatric experts. Some specific areas of civil FP are discussed, including tort law reform, reliability of psychiatric evidence, contentious psychiatric disorders, and the many domains of civil FP. CONCLUSIONS: Civil FP is an important sub-specialty component of forensic psychiatry that requires greater emphasis in the training and continuing education of psychiatrists...
February 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29457216/n-acetylcysteine-for-major-mental-disorders-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#9
W Zheng, Q-E Zhang, D-B Cai, X-H Yang, Y Qiu, G S Ungvari, C H Ng, M Berk, Y-P Ning, Y-T Xiang
OBJECTIVE: This systematic review and meta-analysis of randomized controlled trials (RCTs) examined the efficacy and safety of adjunctive N-acetylcysteine (NAC), an antioxidant drug, in treating major depressive disorder (MDD), bipolar disorder, and schizophrenia. METHODS: The PubMed, Cochrane Library, PsycINFO, CNKI, CBM, and WanFang databases were independently searched and screened by two researchers. Standardized mean differences (SMDs), risk ratios, and their 95% confidence intervals (CIs) were computed...
February 18, 2018: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/29457195/the-association-between-mood-state-and-chronobiological-characteristics-in-bipolar-i-disorder-a-naturalistic-variable-cluster-analysis-based-study
#10
Robert Gonzalez, Trisha Suppes, Jamie Zeitzer, Colleen McClung, Carol Tamminga, Mauricio Tohen, Angelica Forero, Alok Dwivedi, Andres Alvarado
BACKGROUND: Multiple types of chronobiological disturbances have been reported in bipolar disorder, including characteristics associated with general activity levels, sleep, and rhythmicity. Previous studies have focused on examining the individual relationships between affective state and chronobiological characteristics. The aim of this study was to conduct a variable cluster analysis in order to ascertain how mood states are associated with chronobiological traits in bipolar I disorder (BDI)...
February 19, 2018: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/29457123/general-anesthesia-with-propofol-for-ovarian-teratoma-excision-associated-with-anti-n-methyl-d-aspartate-receptor-encephalitis
#11
Masami Sato, Hiroaki Yasumoto, Toshiyuki Arai
Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder caused by production of anti-NMDAR antibodies that is often associated with ovarian teratoma and exhibits various manifestations including psychiatric symptoms, seizures, hypoventilation, and autonomic nerve instability. Patients with this disorder who receive early surgical tumor resection along with immunotherapy have better outcome than the rest of the patients. To establish an anesthetic plan, it is important to understand the pharmacological interaction between the anesthetic agents and the disabled NMDAR, because NMDAR is one of the major sites of action for commonly-used anesthetic agents...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456505/deletion-of-trace-amine-associated-receptor-1-attenuates-behavioral-responses-to-caffeine
#12
Michael D Schwartz, Jeremiah B Palmerston, Diana L Lee, Marius C Hoener, Thomas S Kilduff
Trace amines (TAs), endogenous amino acid metabolites that are structurally similar to the biogenic amines, are endogenous ligands for trace amine-associated receptor 1 (TAAR1), a GPCR that modulates dopaminergic, serotonergic, and glutamatergic activity. Selective TAAR1 full and partial agonists exhibit similar pro-cognitive, antidepressant- and antipsychotic-like properties in rodents and non-human primates, suggesting TAAR1 as a novel target for the treatment of neurological and psychiatric disorders. We previously reported that TAAR1 partial agonists are wake-promoting in rats and mice, and that TAAR1 knockout (KO) and overexpressing mice exhibit altered sleep-wake and EEG spectral composition...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29456360/clinical-features-and-psychiatric-comorbidity-of-epicrania-fugax
#13
K Rammohan, M M Shyma, Soumitra Das, C Velayudhan Shaji
Background: Epicrania fugax (EF) is a rare newly described primary headache characterized by paroxysms of unilateral pain radiating across one hemicranium. Aim: We aimed to describe 10 new cases of EF and assess the psychiatric comorbidity. Materials and Methods: Cases of EF were identified from patients attending the neurology outpatient department of a tertiary level referral and teaching hospital by the first author during a period extending from January 1, 2015 to April 31, 2017...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456345/rates-and-correlations-of-psychiatric-drug-administration-in-a-rehabilitation-center
#14
Vaios Peritogiannis, Soultana L Papadopoulou, Athina Tatsioni, Artemis Kapsalaki, Vassiliki Siafaka, Katerina Kotsi, Avraam Ploumis
Background: Physical injury has been associated with the development of several psychopathological manifestations. Less is known about the use of psychiatric medication in those patients. Objectives: This study aimed to explore the use of psychiatric medication by patients been admitted in a rehabilitation center in a tertiary care teaching hospital and to inquire for the correlations of such drug administration. Materials and Methods: The sample consisted of 127 patients who had been admitted to a rehabilitation center, being in the postacute phase of their condition during a 2-year period...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456150/antidepressants-as-antipruritic-agents-a-review
#15
REVIEW
Randeep Kaur, V R Sinha
Pruritus is a concomitant symptom of various underlying disorders viz. dermatological, systemic and psychiatric disorders that provoke the person to scratch the skin. Many natural as well as, antipruritic therapies are usually practiced in the treatment of pruritus including general preventive measures, topical therapies such as cooling agents, antihistamines, anesthetics, capsaicin, corticosteroids, immunomodulators and; systemic therapies including administration of antihistamines, opioid antagonists/agonists, antiepileptic drugs/neuroleptics (e...
February 15, 2018: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29455893/cognitive-behavioural-therapy-for-insomnia-cbt-i-to-treat-depression-a-systematic-review
#16
REVIEW
Jasmyn E A Cunningham, Colin M Shapiro
INTRODUCTION: Major depressive disorder is one of the most commonly diagnosed psychiatric illnesses, and it has a profound negative impact on an individual's ability to function. Up to 90% of individuals suffering from depression also report sleep and circadian disruptions. If these disruptions are not effectively resolved over the course of treatment, the likelihood of relapse into depression is greatly increased. Cognitive Behavioural Therapy for Insomnia (CBT-I) has shown promise in treating these sleep and circadian disturbances associated with depression, and may be effective as a stand-alone treatment for depression...
March 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29455695/the-empirical-support-for-mindfulness-based-interventions-for-common-psychiatric-disorders-a-systematic-review-and-meta-analysis
#17
Maria Hedman-Lagerlöf, Erik Hedman-Lagerlöf, Lars-Göran Öst
Mindfulness-based interventions (MBIs) have become widely used for common mental disorders (CMDs) but the state of the evidence has not been sufficiently investigated. The aims for this study were: (1) to quantify the effect size of MBIs for CMDs in the acute phase; (2) to explore moderator variables; and (3) to evaluate the evidence status of MBIs for the CMDs it has been tried for. A comprehensive systematic review and meta-analysis of randomized controlled trials (RCTs) were conducted. RCTs that evaluated MBI and included patients with a primary manifest CMD was included...
February 19, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29455214/an-overview-of-complications-affecting-the-central-nervous-system-following-bariatric-surgery
#18
Azra Zafar, Ismail A Khatri
Bariatric surgery has been considered as an effective treatment for morbid obesity. Apart from procedures related complications, a broad spectrum of neurological disorders affecting any part of neuraxis has been reported following BS. Central nervous system complications, although less common than peripheral nervous system complications, carry significant morbidity and potential mortality. Encephalopathy, behavioral and psychiatric disorders, myelopathy and optic neuropathy are the most frequently reported CNS complications...
January 2018: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/29455060/major-depressive-disorder-and-depressive-symptoms-in-intermittent-explosive-disorder
#19
Gustavo C Medeiros, Liliana Seger, Jon E Grant, Hermano Tavares
It is estimated that between 1.7 and 2.6 million people have had intermittent explosive disorder (IED) during their life in the United States alone. Co-occurring psychiatric disorders are very common in IED, being major depressive disorder arguably the most common. The objective of this study was to examine the clinical correlates of IED and depressive manifestations in 74 treatment-seeking subjects. After controlling for confounders, there were associations between major depressive disorder and severity of depressive symptoms, and (a) higher assault scores, (b) more severe hostile behavior and (c) worse social adjustment...
February 9, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29454970/increased-cerebrospinal-fluid-complement-c5-levels-in-major-depressive-disorder-and-schizophrenia
#20
Takashi Ishii, Kotaro Hattori, Tomoko Miyakawa, Kentaro Watanabe, Shinsuke Hidese, Daimei Sasayama, Miho Ota, Toshiya Teraishi, Hiroaki Hori, Sumiko Yoshida, Akihiko Nunomura, Kazuyuki Nakagome, Hiroshi Kunugi
Inflammation has been implicated in a variety of psychiatric disorders. We aimed to determine whether levels of complement C5 protein in the cerebrospinal fluid (CSF), which may reflect activation of the complement system in the brain, are altered in patients with major psychiatric disorders. Additionally, we examined possible associations of CSF C5 levels with clinical variables. Subjects comprised 89 patients with major depressive disorder (MDD), 66 patients with bipolar disorder (BPD), 96 patients with schizophrenia, and 117 healthy controls, matched for age, sex, and ethnicity (Japanese)...
February 15, 2018: Biochemical and Biophysical Research Communications
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