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https://www.readbyqxmd.com/read/29340519/evaluating-the-current-state-of-the-art-of-huntington-disease-research-a-scientometric-analysis
#1
L A Barboza, N C Ghisi
Huntington disease (HD) is an incurable neurodegenerative disorder caused by a dominant mutation on the 4th chromosome. We aim to present a scientometric analysis of the extant scientific undertakings devoted to better understanding HD. Therefore, a quantitative study was performed to examine the current state-of-the-art approaches that foster researchers' understandings of the current knowledge, research trends, and research gaps regarding this disorder. We performed literature searches of articles that were published up to September 2016 in the "ISI Web of Science™" (http://apps...
January 11, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29317742/psychiatric-genetics-and-the-structure-of-psychopathology
#2
REVIEW
Jordan W Smoller, Ole A Andreassen, Howard J Edenberg, Stephen V Faraone, Stephen J Glatt, Kenneth S Kendler
For over a century, psychiatric disorders have been defined by expert opinion and clinical observation. The modern DSM has relied on a consensus of experts to define categorical syndromes based on clusters of symptoms and signs, and, to some extent, external validators, such as longitudinal course and response to treatment. In the absence of an established etiology, psychiatry has struggled to validate these descriptive syndromes, and to define the boundaries between disorders and between normal and pathologic variation...
January 9, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29310970/lithium-stress-and-resilience-in-bipolar-disorder-deciphering-this-key-homeostatic-synaptic-plasticity-regulator
#3
REVIEW
Rodrigo Machado-Vieira
BACKGROUND: Lithium is the lightest metal and the only mood stabilizer that has been used for over half a century for the treatment of bipolar disorder (BD). As a small ion, lithium is omnipresent, and consequently, its molecular mechanisms and targets are widespread. Currently, lithium is a crucial pharmacotherapy for the treatment of acute mood episodes, prophylactic therapy, and suicide prevention in BD. Besides, lithium blood level is the most widely used biomarker in clinical psychiatry...
December 22, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29302707/vantage-sensitivity-a-framework-for-individual-differences-in-response-to-psychological-intervention
#4
REVIEW
Bernadette de Villiers, Francesca Lionetti, Michael Pluess
PURPOSE: People differ significantly in their response to psychological intervention, with some benefitting more from treatment than others. According to the recently proposed theoretical framework of vantage sensitivity, some of this variability may be due to individual differences in environmental sensitivity, the inherent ability to register, and process external stimuli. In this paper, we apply the vantage sensitivity framework to the field of psychiatry and clinical psychology, proposing that some people are more responsive to the positive effects of psychological intervention due to heightened sensitivity...
January 4, 2018: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/29301639/genetic-testing-as-a-supporting-tool-in-prescribing-psychiatric-medication-design-and-protocol-of-the-impact-study
#5
Deanna Herbert, Maria Neves-Pereira, Ruth Baidya, Sheraz Cheema, Sarah Groleau, Anashe Shahmirian, Arun K Tiwari, Clement C Zai, Nicole King, Daniel J Müller, James L Kennedy
OBJECTIVE: Pharmacotherapy is one of the primary treatments for psychiatric disorders. Given the variation in individual response, a more personalized approach is needed. This paper will discuss methods for user-friendly referrals, recruitment criteria, data storage and dissemination, biological sample and clinical questionnaire collection, and advertising. METHODS: The Individualized Medicine: Pharmacogenetics Assessment and Clinical Treatment (IMPACT) study is one of the first to use pharmacogenetic testing on a large scale in psychiatry as a tool to predict individual drug response and tolerability...
September 27, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29289963/treatment-guidelines-for-circadian-rhythm-sleep-wake-disorders-of-the-polish-sleep-research-society-and-the-section-of-biological-psychiatry-of-the-polish-psychiatric-association-part-ii-diagnosis-and-treatment
#6
REVIEW
Adam Wichniak, Konrad S Jankowski, Michał Skalski, Krystyna Skwarło-Sońta, Jolanta B Zawilska, Marcin Żarowski, Ewa Poradowska, Wojciech Jernajczyk
AIM: Circadian rhythm sleep-wake disorders (CRSWD) are a group of disorders, in which the timing of sleep and wakefulness significantly differs from a patient's expectations or socially acceptable times. The aimof the article is to present the current principles for the diagnosis and treatment of CRSWD in adults and children. METHOD: Guidelines proposed as CRSWD treatment standard are based on the recommendations from the scientific societies involved in the sleep research and medicine...
October 29, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/29289962/treatment-guidelines-for-circadian-rhythm-sleep-wake-disorders-of-the-polish-sleep-research-society-and-the-section-of-biological-psychiatry-of-the-polish-psychiatric-association-part-i-physiology-assessment-and-therapeutic-methods
#7
REVIEW
Adam Wichniak, Konrad S Jankowski, Michal Skalski, Krystyna Skwarło-Sońta, Jolanta B Zawilska, Marcin Żarowski, Ewa Poradowska, Wojciech Jernajczyk
Majority of the physiological processes in the human organism are rhythmic. The most common are the diurnal changes that repeat roughly every 24 hours, called circadian rhythms. Circadian rhythms disorders have negative influence on human functioning. The aim of this article is to present the current understanding of the circadian rhythms physiological role, with particular emphasis on the circadian rhythm sleep-wake disorders (CRSWD), principles of their diagnosis and chronobiological therapy. The guidelines are based on the review of recommendations from the scientific societies involved in sleep medicine and the clinical experiences of the authors...
October 29, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/29258528/social-inequality-scientific-inequality-and-the-future-of-mental-illness
#8
REVIEW
Charles E Dean
BACKGROUND: Despite five decades of increasingly elegant studies aimed at advancing the pathophysiology and treatment of mental illness, the results have not met expectations. Diagnoses are still based on observation, the clinical history, and an outmoded diagnostic system that stresses the historic goal of disease specificity. Psychotropic drugs are still based on molecular targets developed decades ago, with no increase in efficacy. Numerous biomarkers have been proposed, but none have the requisite degree of sensitivity and specificity, and therefore have no usefulness in the clinic...
December 19, 2017: Philosophy, Ethics, and Humanities in Medicine: PEHM
https://www.readbyqxmd.com/read/29246661/a-quantitative-approach-to-neuropsychiatry-the-why-and-the-how
#9
REVIEW
Martien J Kas, Brenda Penninx, Bernd Sommer, Alessandro Serretti, Celso Arango, Hugh Marston
The current nosology of neuropsychiatric disorders allows for a pragmatic approach to treatment choice, regulation and clinical research. However, without a biological rationale for these disorders, drug development has stagnated. The recently EU-funded PRISM project aims to develop a quantitative biological approach to the understanding and classification of neuropsychiatric diseases to accelerate the discovery and development of better treatments. By combining clinical data sets from major worldwide disease cohorts and by applying innovative technologies to deeply phenotype stratified patient groups, we will define a set of quantifiable biological parameters for social withdrawal and cognitive deficits common to Schizophrenia (SZ), Major Depression (MD), and Alzheimer's Disease (AD)...
December 12, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29236813/psychoanalysis-and-neurosciences-fuzzy-outlines-notes-on-the-notion-of-cerebral-plasticity
#10
Maria Jimena Mantilla
"Psychoanalysis versus psychiatry" and "unconscious versus brain" are classic oppositions between different perspectives on the human being and mental suffering. This article draws on certain elements of this discussion and reflects on how new ideas about the brain and biology favor closer interaction between psychoanalysis and the neurosciences. These questions are redefined through the notion of cerebral plasticity, by which the brain is open to interaction with the social environment and the influence of psychoanalytical therapy...
November 2017: História, Ciências, Saúde—Manguinhos
https://www.readbyqxmd.com/read/29216834/inventory-of-real-world-data-sources-in-parkinson-s-disease
#11
Audrey Tanguy, Linus Jönsson, Lianna Ishihara
BACKGROUND: Real world data have an important role to play in the evaluation of epidemiology and burden of disease; and in assisting health-care decision-makers, especially related to coverage and payment decisions. However, there is currently no overview of the existing longitudinal real world data sources in Parkinson's disease (PD) in the USA. Such an assessment can be very helpful, to support a future effort to harmonize real world data collection and use the available resources in an optimal way...
December 8, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29199929/healing-a-sick-world-psychiatric-medicine-and-the-atomic-age
#12
Ran Zwigenberg
The onset of nuclear warfare in Hiroshima and Nagasaki had far-reaching implications for the world of medicine. The study of the A-bomb and its implications led to the launching of new fields and avenues of research, most notably in genetics and radiation studies. Far less understood and under-studied was the impact of nuclear research on psychiatric medicine. Psychological research, however, was a major focus of post-war military and civilian research into the bomb. This research and the perceived revolutionary impact of atomic energy and warfare on society, this paper argues, played an important role in the global development of post-war psychiatry...
January 2018: Medical History
https://www.readbyqxmd.com/read/29188348/-big-data-approaches-in-psychiatry-examples-in-depression-research
#13
REVIEW
D Bzdok, T M Karrer, U Habel, F Schneider
BACKGROUND: The exploration and therapy of depression is aggravated by heterogeneous etiological mechanisms and various comorbidities. With the growing trend towards big data in psychiatry, research and therapy can increasingly target the individual patient. This novel objective requires special methods of analysis. OBJECTIVE: The possibilities and challenges of the application of big data approaches in depression are examined in closer detail. MATERIAL AND METHODS: Examples are given to illustrate the possibilities of big data approaches in depression research...
November 29, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/29180674/why-is-there-selective-subcortical-vulnerability-in-adhd-clues-from-postmortem-brain-gene-expression-data
#14
J L Hess, G C Akutagava-Martins, J D Patak, S J Glatt, S V Faraone
Sub-cortical volumetric differences were associated with attention-deficit/hyperactivity disorder (ADHD) in a recent multi-site, mega-analysis of 1713 ADHD persons and 1529 controls. As there was a wide range of effect sizes among the sub-cortical volumes, it is possible that selective neuronal vulnerability has a role in these volumetric losses. To address this possibility, we used data from Allen Brain Atlas to investigate variability in gene expression profiles between subcortical regions of typically developing brains...
November 28, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29179742/neuroimaging-genomics-in-psychiatry-a-translational-approach
#15
REVIEW
Mary S Mufford, Dan J Stein, Shareefa Dalvie, Nynke A Groenewold, Paul M Thompson, Neda Jahanshad
Neuroimaging genomics is a relatively new field focused on integrating genomic and imaging data in order to investigate the mechanisms underlying brain phenotypes and neuropsychiatric disorders. While early work in neuroimaging genomics focused on mapping the associations of candidate gene variants with neuroimaging measures in small cohorts, the lack of reproducible results inspired better-powered and unbiased large-scale approaches. Notably, genome-wide association studies (GWAS) of brain imaging in thousands of individuals around the world have led to a range of promising findings...
November 27, 2017: Genome Medicine
https://www.readbyqxmd.com/read/29169634/the-emerging-neurobiology-of-bipolar-disorder
#16
REVIEW
Paul J Harrison, John R Geddes, Elizabeth M Tunbridge
Bipolar disorder (BD) is a leading cause of global disability. Its biological basis is unknown, and its treatment unsatisfactory. Here, we review two recent areas of progress. First, the discovery of risk genes and their implications, with a focus on voltage-gated calcium channels as part of the disease process and as a drug target. Second, facilitated by new technologies, it is increasingly apparent that the bipolar phenotype is more complex and nuanced than simply one of recurring manic and depressive episodes...
November 20, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/29167538/a-deep-dream-virtual-reality-platform-for-studying-altered-perceptual-phenomenology
#17
Keisuke Suzuki, Warrick Roseboom, David J Schwartzman, Anil K Seth
Altered states of consciousness, such as psychotic or pharmacologically-induced hallucinations, provide a unique opportunity to examine the mechanisms underlying conscious perception. However, the phenomenological properties of these states are difficult to isolate experimentally from other, more general physiological and cognitive effects of psychoactive substances or psychopathological conditions. Thus, simulating phenomenological aspects of altered states in the absence of these other more general effects provides an important experimental tool for consciousness science and psychiatry...
November 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29158582/the-camp-responsive-element-binding-creb-1-gene-increases-risk-of-major-psychiatric-disorders
#18
X Xiao, C Zhang, M Grigoroiu-Serbanescu, L Wang, L Li, D Zhou, T-F Yuan, C Wang, H Chang, Y Wu, Y Li, D-D Wu, Y-G Yao, M Li
Bipolar disorder (BPD), schizophrenia (SCZ) and unipolar major depressive disorder (MDD) are primary psychiatric disorders sharing substantial genetic risk factors. We previously reported that two single-nucleotide polymorphisms (SNPs) rs2709370 and rs6785 in the cAMP responsive element-binding (CREB)-1 gene (CREB1) were associated with the risk of BPD and abnormal hippocampal function in populations of European ancestry. In the present study, we further expanded our analyses of rs2709370 and rs6785 in multiple BPD, SCZ and MDD data sets, including the published Psychiatric Genomics Consortium (PGC) genome-wide association study, the samples used in our previous CREB1 study, and six additional cohorts (three new BPD samples, two new SCZ samples and one new MDD sample)...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29158581/improved-ethical-guidance-for-the-return-of-results-from-psychiatric-genomics-research
#19
G Lázaro-Muñoz, M S Farrell, J J Crowley, D M Filmyer, R A Shaughnessy, R C Josiassen, P F Sullivan
There is an emerging consensus that genomic researchers should, at a minimum, offer to return to individual participants clinically valid, medically important and medically actionable genomic findings (for example, pathogenic variants in BRCA1) identified in the course of research. However, this is not a common practice in psychiatric genetics research. Furthermore, psychiatry researchers often generate findings that do not meet all of these criteria, yet there may be ethically compelling arguments to offer selected results...
November 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29158579/rare-susceptibility-variants-for-bipolar-disorder-suggest-a-role-for-g-protein-coupled-receptors
#20
C Cruceanu, J-F Schmouth, S G Torres-Platas, J P Lopez, A Ambalavanan, E Darcq, F Gross, B Breton, D Spiegelman, D Rochefort, P Hince, J M Petite, J Gauthier, R G Lafrenière, P A Dion, C M Greenwood, B L Kieffer, M Alda, G Turecki, G A Rouleau
Bipolar disorder (BD) is a prevalent mood disorder that tends to cluster in families. Despite high heritability estimates, few genetic susceptibility factors have been identified over decades of genetic research. One possible interpretation for the shortcomings of previous studies to detect causative genes is that BD is caused by highly penetrant rare variants in many genes. We explored this hypothesis by sequencing the exomes of affected individuals from 40 well-characterized multiplex families. We identified rare variants segregating with affected status in many interesting genes, and found an enrichment of deleterious variants in G protein-coupled receptor (GPCR) family genes, which are important drug targets...
November 21, 2017: Molecular Psychiatry
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