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https://www.readbyqxmd.com/read/28346060/stem-cell-derived-neurons-in-the-development-of-targeted-treatment-for-schizophrenia-and-bipolar-disorder
#1
Bradley Watmuff, Bangyan Liu, Rakesh Karmacharya
The recent advent of induced pluripotent stem cells has enabled the study of patient-specific and disease-related neurons in vitro and has facilitated new directions of inquiry into disease mechanisms. With these approaches, we now have the possibility of correlating ex vivo cellular phenotypes with individual patient response to treatment and/or side effects, which makes targeted treatments for schizophrenia and bipolar disorder a distinct prospect in the coming years. Here, we briefly review the current state of stem cell-based models and explore studies that are providing new insights into the disease biology of schizophrenia and bipolar disorder, which are laying the foundations for the development of novel targeted therapies...
March 27, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28343462/exploring-the-neuroanatomical-bases-of-psychotic-features-in-bipolar-disorder
#2
E Maggioni, A C Altamura, P Brambilla
Although bipolar disorder (BD) is traditionally conceptualised as one diagnostic entity, the heterogeneity of pathophysiological manifestations in BD suggests the need to classify the subtypes of the illness based on neural markers. Specifically, the presence of psychotic symptoms seems to be relevant for the clinical outcome and may have specific neuroanatomical bases. The main objective of the present review was to assess whether the distinction between psychotic BD (PBD) and non-psychotic BD (NPBD) can improve the identification of the neurobiological markers of this complex illness...
March 27, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28342679/pharmacogenomic-aspects-of-bipolar-disorder-an-update
#3
M Budde, D Degner, J Brockmöller, T G Schulze
The hopes for readily implementable precision medicine are high. For many complex disorders, such as bipolar disorder, these hopes critically hinge on tangible successes in pharmacogenetics of treatment response or susceptibility to adverse events. In this article, we review the current state of pharmacogenomics of bipolar disorder including latest results from candidate genes and genome-wide association studies. The majority of studies focus on response to lithium treatment. Although a host of genes has been studied, hardly any replicated findings have emerged so far...
March 22, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28342127/robotic-single-site-plus-one-port-distal-pancreatectomy
#4
Sung Hyun Kim, Chang Moo Kang, Woo Jung Lee
Laparoscopic distal pancreatectomy is regarded as safe and effective surgical approach in benign and low-grade malignant tumor of the pancreas. With the advances of laparoscopic techniques and instruments, many efforts to reduce the number of the trocar site has been made. There are a few available surgical techniques of laparoscopic single-site (single port or reduced port) distal pancreatectomy, suggesting its safety and feasibility. However, it is true that laparoscopic single-site distal pancreatectomy is difficult and technically quite demanding...
March 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28339432/bipolar-versus-unipolar-intraarticular-pulsed-radiofrequency-thermocoagulation-in-chronic-knee-pain-treatment-a-prospective-randomized-trial
#5
Ersel Gulec, Hayri Ozbek, Sinan Pektas, Geylan Isik
BACKGROUND: Chronic knee pain is a major widespread problem causing significant impairment of daily function. Pulsed radiofrequency has been shown to reduce severe chronic joint pain as a non-pharmacological and less invasive treatment method. OBJECTIVE: We aimed to compare the effectiveness of unipolar and bipolar intraarticular pulsed radiofrequency methods in chronic knee pain control. STUDY DESIGN: Prospective, randomized, double-blind study...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28337866/fibromyalgia-and-bipolar-disorder-extent-of-comorbidity-and-therapeutic-implications
#6
M C Di Tommaso Morrison, F Carinci, G Lessiani, E Spinas, S K Kritas, G Ronconi, Al Caraffa, P Conti
Fibromyalgia (FM) is a syndrome that affects muscles and soft tissues. Presenting symptoms include chronic muscle pain, fatigue, sleep problems and psychological symptoms, including depression and anxiety. There exists strong evidence of a comorbidity between FM and Bipolar Disorder (BD). In this study, papers from 2006 to February 2016 that examined the comorbidity and etiological similarities of FM and BD were reviewed, as well as the therapeutic implications of these findings. The reviewed articles showed that an adequate psychiatric screening for BD is recommended in FM patients with depressive symptoms, in order to decrease administration of antidepressants for BD, due to the lack of proven efficacy, and to limit antidepressant-induced mania...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337552/clinical-utility-of-resting-state-functional-connectivity-magnetic-resonance-imaging-for-mood-and-cognitive-disorders
#7
REVIEW
T Takamura, T Hanakawa
Although functional magnetic resonance imaging (fMRI) has long been used to assess task-related brain activity in neuropsychiatric disorders, it has not yet become a widely available clinical tool. Resting-state fMRI (rs-fMRI) has been the subject of recent attention in the fields of basic and clinical neuroimaging research. This method enables investigation of the functional organization of the brain and alterations of resting-state networks (RSNs) in patients with neuropsychiatric disorders. Rs-fMRI does not require participants to perform a demanding task, in contrast to task fMRI, which often requires participants to follow complex instructions...
March 23, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28335872/cognitive-impairment-in-euthymic-pediatric-bipolar-disorder-a-systematic-review-and-meta-analysis
#8
REVIEW
Liana R Elias, Kamilla W Miskowiak, Antônio M O Vale, Cristiano A Köhler, Hanne L Kjærstad, Brendon Stubbs, Lars V Kessing, Eduard Vieta, Michael Maes, Benjamin I Goldstein, André F Carvalho
OBJECTIVE: To perform a systematic review and meta-analysis of studies investigating neurocognition in euthymic youths with bipolar disorder (BD) compared to healthy controls (HCs). METHOD: A systematic literature search was conducted in the PubMed/MEDLINE, PsycINFO, and EMBASE databases from inception up until March 23, 2016, for original peer-reviewed articles that investigated neurocognition in euthymic youths with BD compared to HCs. Effect sizes (ES) for individual tests were extracted...
April 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28332227/general-features-of-inhibition-in-the-inner-retina
#9
Katrin Franke, Tom Baden
Visual processing starts in the retina. Within only two synaptic layers, a large number of parallel information channels emerge, each encoding a highly processed feature like edges or the direction of motion. Much of this functional diversity arises in the inner plexiform layer, where inhibitory amacrine cells modulate the excitatory signal of bipolar and ganglion cells. Studies investigating individual amacrine cell circuits like the starburst or A17 circuit have demonstrated that single types can possess specific morphological and functional adaptations to convey a particular function in one or a small number of inner retinal circuits...
March 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28331326/lithium-in-late-life-mania-a-systematic-review
#10
REVIEW
Pasquale De Fazio, Raffaele Gaetano, Mariarita Caroleo, Maria Pavia, Giovanbattista De Sarro, Andrea Fagiolini, Cristina Segura-Garcia
The prevalence of mania among >65-year-olds ranges from 0.1% to 0.4% and its treatment is a particular challenge for clinicians. Although lithium is the treatment of choice for bipolar disorder (BD), its use in elderly population was recently questioned. This study provides a comprehensive review of literature on the efficacy and tolerability of lithium as a pharmacologic treatment for mania in elderly BD patients. We conducted a systematic review, based on PRISMA guidelines, of articles published between 1970 and August 2016 and indexed in the following databases: EMBASE, MEDLINE, Cochrane Library Databases and PsycINFO...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28328011/when-emotional-pain-becomes-physical-adverse-childhood-experiences-pain-and-the-role-of-mood-and-anxiety-disorders
#11
Natalie J Sachs-Ericsson, Julia L Sheffler, Ian H Stanley, Jennifer R Piazza, Kristopher J Preacher
OBJECTIVE: We examined the association between retrospective reports of adverse childhood experiences (ACEs) and painful medical conditions. We also examined the mediating and moderating roles of mood and anxiety disorders in the ACEs-painful medical conditions relationship. METHOD: Ten-year longitudinal data were obtained from the National Comorbidity Surveys (NCS-1, NCS-2; N = 5001). The NCS-1 obtained reports of ACEs, current health conditions, current pain severity, and mood and anxiety disorders...
March 22, 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28325146/hypersexuality-as-a-neuropsychiatric-disorder-the-neurobiology-and-treatment-options
#12
Hatta Sidi, Muna Asiff, Jaya Kumar, Srijit Das, Nurul Hazwani Hatta, Cesar Alfonso
Hypersexuality refers to abnormally increased or extreme involvement in any sexual activity. It is clinically challenging, presents trans-diagnostically and there is extensive medical literature addressing nosology, pathogenesis and neuropsychiatric aspects. Classification includes deviant behaviours, diagnosable entities related to impulsivity, and obsessional phenomena. Some clinicians view an increase in sexual desire as 'normal' while psychodynamic theorists consider it ego-defensive at times alleviating unconscious anxiety rooted in intrapsychic conflicts...
March 21, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28323174/multicenter-investigation-of-an-implantable-cardioverter-defibrillator-algorithm-to-detect-oversensing
#13
Nicolas Welte, Marc Strik, Romain Eschalier, Pierre Mondoly, Pascal Defaye, Antonio Frontera, Philippe Ritter, Michel Haïssaguerre, Sylvain Ploux, Jayanthi Koneru, Kenneth A Ellenbogen, Pierre Bordachar
BACKGROUND: The SecureSense™ RV Lead Noise Discrimination algorithm is designed to detect lead fracture and other types of oversensing in order to decrease inappropriate therapy. OBJECTIVE: We studied the real-life accuracy of the SecureSenseTM algorithm in ICD patients followed by remote-monitoring across multiple centers. METHODS: Across three French centers, we studied 486 patients with a St. Jude Medical device who were followed by remote-monitoring and who had the SecureSense™ algorithm activated...
March 18, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28322279/pluripotent-stem-cells-in-neuropsychiatric-disorders
#14
REVIEW
M A Soliman, F Aboharb, N Zeltner, L Studer
Neuropsychiatric disorders place an enormous medical burden on patients across all social and economic ranks. The current understanding of the molecular and cellular causes of neuropsychiatric disease remains limited, which leads to a lack of targeted therapies. Human-induced pluripotent stem cell (iPSC) technology offers a novel platform for modeling the genetic contribution to mental disorders and yields access to patient-specific cells for drug discovery and personalized medicine. Here, we review recent progress in using iPSC technology to model and potentially treat neuropsychiatric disorders by focusing on the most prevalent conditions in psychiatry, including depression, anxiety disorders, bipolar disorder and schizophrenia...
March 21, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28321642/circadian-rhythm-dysregulation-in-bipolar-spectrum-disorders
#15
REVIEW
Lauren B Alloy, Tommy H Ng, Madison K Titone, Elaine M Boland
PURPOSE OF REVIEW: We review recent evidence for circadian rhythm dysregulation in bipolar spectrum disorders (BSDs). We examine evidence for endogenous abnormalities in the biological clock and disruptions in the external entrainment of circadian rhythms in BSDs. We also address whether circadian dysregulation provides vulnerability to onset of BSD and evidence for a new integration of reward and circadian dysregulation in BSD. RECENT FINDINGS: Relative circadian phase delay (e...
April 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28320419/cerebellar-ependymoma-with-overlapping-features-of-clear-cell-and-tanycytic-variants-mimicking-hemangioblastoma-a-case-report-and-literature-review
#16
Xiu-Peng Zhang, Yang Liu, Di Zhang, Qin Zheng, Chen Wang, Liang Wang, Qing-Chang Li, Xue-Shan Qiu, En-Hua Wang
BACKGROUND: Imaging and histology of clear-cell ependymoma and cerebellum-based hemangioblastoma are similar; distinguishing between them is a diagnostic challenge. CASE PRESENTATION: A 62-year-old Chinese woman presented with an intermittent headache of 8 years' duration. Computed tomography and magnetic resonance imaging revealed a mass in the cerebellum. Neurological imaging suggested hemangioblastoma (HB). Histologically, the tumor included cellular and paucicellular areas, in which cells were arranged in nests or diffusely distributed; and a highly vascular area, in which tumor cells were arranged in clusters and separated by capillaries...
March 20, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28315278/peeking-into-sigma-1-receptor-functions-through-the-retina
#17
Timur A Mavlyutov, Lian-Wang Guo
This review discusses recent advances towards understanding the sigma-1 receptor (S1R) as an endogenous neuro-protective mechanism in the retina , a favorable experimental model system. The exquisite architecture of the mammalian retina features layered and intricately wired neurons supported by non-neuronal cells. Ganglion neurons, photoreceptors , as well as the retinal pigment epithelium, are susceptible to degeneration that leads to major retinal diseases such as glaucoma , diabetic retinopathy , and age-related macular degeneration (AMD), and ultimately, blindness...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28314087/capillary-assisted-bipolar-electrochemistry-a-focused-minireview
#18
REVIEW
Laurent Bouffier, Neso Sojic, Alexander Kuhn
A bipolar electrode is quite unconventional as it behaves simultaneously as an anode and a cathode in contrast to a classic electrochemical setup where the electron-transfer reactions are promoted on two different electrodes. The driving force is the polarization potential established between the solution and the bipolar electrode which allows a wireless electrochemical addressing. In the past decade or so, bipolar electrochemistry (BPE) has encountered a remarkable renewal of interest with extraordinary potentialities ranging from materials science to analytical chemistry...
March 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28303578/compulsory-community-and-involuntary-outpatient-treatment-for-people-with-severe-mental-disorders
#19
REVIEW
Steve R Kisely, Leslie A Campbell, Richard O'Reilly
BACKGROUND: It is controversial whether compulsory community treatment (CCT) for people with severe mental illness (SMI) reduces health service use, or improves clinical outcome and social functioning. OBJECTIVES: To examine the effectiveness of compulsory community treatment (CCT) for people with severe mental illness (SMI). SEARCH METHODS: We searched the Cochrane Schizophrenia Group's Study-Based Register of Trials (2003, 2008, 2012, 8 November 2013, 3 June 2016)...
March 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28301219/management-of-comorbid-bipolar-disorder-and-substance-use-disorders
#20
Ihsan M Salloum, Edson Sherwood Brown
BACKGROUND: The comorbidity of substance use disorders (SUDs) in bipolar disorder is among the highest in psychiatric disorders. Evidence-based controlled psychosocial or pharmacological interventions trials, which may guide treatment decisions, have not been systematically reviewed. OBJECTIVE: To present a narrative review of the public health and clinical significance of this condition, including diagnostic and treatment implications, and to evaluate controlled trials conducted to date...
March 16, 2017: American Journal of Drug and Alcohol Abuse
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