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https://www.readbyqxmd.com/read/29136601/no-neuronal-autoantibodies-detected-in-plasma-of-patients-with-a-bipolar-i-disorder
#1
Gijsje Snijders, Maarten J Titulaer, Veerle Bergink, Anna E Bastiaansen, Marco W J Schreurs, Roel A Ophoff, Marco P Boks, René S Kahn, Lot D de Witte
A subpopulation of patients with bipolar disorder type I (BD-I) might suffer from undiagnosed autoimmune encephalitis. We tested plasma of 104 BD-I patients with a current or recent manic episode in the past 2 years for the presence of neuronal autoantibodies using immunohistochemistry, immunocytochemistry and cell-based assay (CBA). Neuronal antibodies were not detected in any of the BD type I. This finding suggests that the frequency of an undiagnosed autoimmune encephalitis in patients with BD I is less than 1%...
November 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29133431/restoration-of-dendritic-complexity-functional-connectivity-and-diversity-of-regenerated-retinal-bipolar-neurons-in-adult-zebrafish
#2
Timothy E McGinn, Diana M Mitchell, Peter C Meighan, Natalie Partington, Dylan C Leoni, Christina E Jenkins, Michael D Varnum, Deborah L Stenkamp
Adult zebrafish (Danio rerio) are capable of regenerating retinal neurons that have been lost due to mechanical, chemical, or light damage. In the case of chemical damage, there is evidence that visually-mediated behaviors are restored following regeneration, consistent with recovery of retinal function. However, the extent to which regenerated retinal neurons attain appropriate morphologies and circuitry after such tissue-disrupting lesions has not been investigated. Adult zebrafish of both sexes were subjected to intravitreal injections of ouabain, which destroys the inner retina...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29128304/symptoms-of-mental-illness-and-their-impact-on-managing-type-2-diabetes-in-adults
#3
Adriana Cimo, Carolyn S Dewa
OBJECTIVES: People with mental illnesses are more likely to experience diabetes-related complications that can reduce life expectancy by 10 to 15 years. Diabetes management and outcomes can be improved when lifestyle interventions addressing healthful eating habits and physical activity use content tailored to the learning needs of individuals or groups. Understanding the challenges that prevent adherence to diabetes recommendations can start to inform the design of tailored diabetes education care...
November 8, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/29127563/reasons-for-nonadherence-to-psychiatric-medication-and-cardiovascular-risk-factors-treatment-among-latino-bipolar-disorder-patients-living-in-puerto-rico-a-qualitative-study
#4
Sandra I Ralat, Colin A Depp, Guillermo Bernal
Latinos with bipolar disorder (BD) have a high rate of nonadherence to psychiatric medication and treatment for other medical conditions such as cardiovascular disease (CVD) risk factors than non-Latinos with BD. The aim of this study is to identify patients' perspectives on the reasons for nonadherence to psychiatric medication and for CVD risk factors conditions in outpatients with BD. Three focus group sessions were held for a total of 22 adults ranging from 23 to 60 years old. Participants had BD, Type I/II and CVD risk factors...
November 10, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/29125183/ovarian-surgery-for-symptom-relief-in-women-with-polycystic-ovary-syndrome
#5
REVIEW
Sam Lepine, Junyoung Jo, Mostafa Metwally, Ying C Cheong
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine condition, affecting approximately one in 10 women. PCOS is defined by two of three features: oligo- or anovulation, clinical or biochemical hyperandrogenism or both, or polycystic ovaries.Women with PCOS can have a wide range of health problems, including infrequent and irregular periods, unwanted hair growth and acne, and subnormal fertility. Long-term health concerns include an increased risk of heart disease, diabetes and the development of precancerous disease of the womb...
November 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29122405/theory-of-mind-impairment-and-its-clinical-correlates-in-patients-with-schizophrenia-major-depressive-disorder-and-bipolar-disorder
#6
Yan-Yu Wang, Yi Wang, Ying-Min Zou, Ke Ni, Xue Tian, Hong-Wei Sun, Simon S Y Lui, Eric F C Cheung, John Suckling, Raymond C K Chan
BACKGROUND: Although Theory of Mind (ToM) impairment has been observed in patients with a wide range of mental disorders, the similarity and uniqueness of these deficits across diagnostic groups has not been thoroughly investigated. METHODS: We recruited 35 participants with schizophrenia (SCZ), 35 with bipolar disorder (BD), 35 with major depressive disorder (MDD), and 35 healthy controls in this study. All participants were matched in age, gender proportion and IQ estimates...
November 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/29121879/hypnotic-susceptibility-and-affective-states-in-bipolar-i-and-ii-disorders
#7
Bingren Zhang, Jiawei Wang, Qisha Zhu, Guorong Ma, Chanchan Shen, Hongying Fan, Wei Wang
BACKGROUND: Highly hypnotizable individuals have impaired executive function, elevated motor impulsivity and increased emotional sensitivity, which are sometimes found in bipolar disorder patients. It is then reasonable to assume that certain aspects of hypnotic susceptibility differ with the types of bipolar disorder. METHODS: The Stanford Hypnotic Susceptibility Scale: Form C (SHSS:C) test, the Mood Disorder Questionnaire (MDQ), the Hypomanic Checklist-32 (HCL-32) and the Plutchick-van Praag Depression Inventory (PVP) were applied to 62 patients with bipolar I disorder, 33 bipolar II disorder, and 120 healthy volunteers...
November 9, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/29121651/a-modeling-study-of-budding-yeast-colony-formation-and-its-relationship-to-budding-pattern-and-aging
#8
Yanli Wang, Wing-Cheong Lo, Ching-Shan Chou
Budding yeast, which undergoes polarized growth during budding and mating, has been a useful model system to study cell polarization. Bud sites are selected differently in haploid and diploid yeast cells: haploid cells bud in an axial manner, while diploid cells bud in a bipolar manner. While previous studies have been focused on the molecular details of the bud site selection and polarity establishment, not much is known about how different budding patterns give rise to different functions at the population level...
November 9, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29120845/markers-of-dna-rna-damage-from-oxidation-as-predictors-of-a-registry-based-diagnosis-of-psychiatric-illness-in-type-2-diabetic-patients
#9
Anders Jorgensen, Volkert Siersma, Annette S Davidsen, Allan Weimann, Trine Henriksen, Henrik E Poulsen, Niels de Fine Olivarius
Oxidative stress is a potential biological mediator of the higher rates of psychiatric illness (PI) observed after the onset of type 2 diabetes (T2DM). We investigated validated urinary markers of systemic DNA/RNA damage from oxidation (8-oxodG/8-oxoGuo respectively) as predictors of incident PI in a cohort of 1381 newly diagnosed T2DM patients, who were followed prospectively for a total of 19 years after diagnosis. Psychiatric diagnoses were from Danish national registries. Patients were examined at the time of diagnosis and at a 6-year follow-up...
November 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29119926/-the-role-of-cxcr3-in-neurological-diseases
#10
Ya-Qun Zhou, Dai-Qiang Liu, Shu-Ping Chen, Jia Sun, Xue-Rong Zhou, Cui Xing, Da-Wei Ye, Yu-Ke Tian
Neurological diseases have become an obvious challenge due to insufficient therapeutic intervention. Therefore, novel drugs for various neurological disorders are in desperate need. Recently, compelling evidence has demonstrated that chemokine receptor CXCR3, which is a G protein-coupled receptor in the CXC chemokine receptor family, may play a pivotal role in the development of neurological diseases. The expression level of CXCR3 in T cells was significantly elevated in several neurological diseases, suggesting a potential therapeutic role of CXCR3 antagonists...
November 9, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/29116664/unraveling-the-biology-of-bipolar-disorder-using-induced-pluripotent-stem-derived-neurons
#11
REVIEW
Nathaniel D Miller, John R Kelsoe
OBJECTIVES: Bipolar disorder has been studied from numerous angles, from pathological studies to large-scale genomic studies, overall making moderate gains toward an understanding of the disorder. With the advancement of induced pluripotent stem (iPS) cell technology, in vitro models based on patient samples are now available that inherently incorporate the complex genetic variants that largely are the basis for this disorder. A number of groups are starting to apply iPS technology to the study of bipolar disorder...
November 8, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/29115833/chemical-design-and-example-of-transparent-bipolar-semiconductors
#12
Takeshi Arai, Soshi Iimura, Junghwan Kim, Yoshitake Toda, Shigenori Ueda, Hideo Hosono
Transparent bipolar semiconductors (TBSCs) are in demand for transparent electronics to serve as the basis for next generation opto-electronic devices. However, the poor carrier controllability in wide-bandgap materials makes the realization of a bipolar nature difficult. Only two materials, CuInO2 and SnO, have been reported as TBSCs. To satisfy demand for the coexistence of transparency and bipolarity, we propose a design concept with three strategies; choice of early transition metals (eTM) such as Y(3+) and Zr(4+) for improving controllability of carrier doping, design of chemical bonds to obtain an appropriate band structure for bipolar doping, and use of a forbidden band-edge transition to retain transparency...
November 8, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29114208/classification-of-mouse-retinal-bipolar-cells-type-specific-connectivity-with-special-reference-to-rod-driven-aii-amacrine-pathways
#13
Yoshihiko Tsukamoto, Naoko Omi
We confirmed the classification of 15 morphological types of mouse bipolar cells by serial section transmission electron microscopy and characterized each type by identifying chemical synapses and gap junctions at axon terminals. Although whether the previous type 5 cells consist of two or three types was uncertain, they are here clustered into three types based on the vertical distribution of axonal ribbons. Next, while two groups of rod bipolar (RB) cells, RB1, and RB2, were previously proposed, we clarify that a half of RB1 cells have the intermediate characteristics, suggesting that these two groups comprise a single RB type...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/29114051/dscam-mediated-control-of-dendritic-and-axonal-arbor-outgrowth-enforces-tiling-and-inhibits-synaptic-plasticity
#14
Aaron B Simmons, Samuel J Bloomsburg, Joshua M Sukeena, Calvin J Miller, Yohaniz Ortega-Burgos, Bart G Borghuis, Peter G Fuerst
Mature mammalian neurons have a limited ability to extend neurites and make new synaptic connections, but the mechanisms that inhibit such plasticity remain poorly understood. Here, we report that OFF-type retinal bipolar cells in mice are an exception to this rule, as they form new anatomical connections within their tiled dendritic fields well after retinal maturity. The Down syndrome cell-adhesion molecule (Dscam) confines these anatomical rearrangements within the normal tiled fields, as conditional deletion of the gene permits extension of dendrite and axon arbors beyond these borders...
November 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29109669/mental-illness-related-internalized-stigma-psychometric-properties-of-the-brief-ismi-scale-in-greece
#15
Alexia Paraskevoulakou, Kassiani Vrettou, Katerina Pikouli, Evgenia Triantafillou, Anastasia Lykou, Marina Economou
Aims: Since evaluation regarding the impact of mental illness related internalized stigma is scarce, there is a great need for psychometric instruments which could contribute to understanding its adverse effects among Greek patients with severe mental illness. The Brief Internalized Stigma of Mental Illness (ISMI) scale is one of the most widely used measures designed to assess the subjective experience of stigma related to mental illness. The present study aimed to investigate the psychometric properties of the Greek version of the Brief ISMI scale...
September 2017: Materia Socio-medica
https://www.readbyqxmd.com/read/29108448/the-relationship-between-neutrophil-lymphocyte-platelet-lymphocyte-ratio-and-cognitive-functions-in-bipolar-disorder
#16
Demet Sağlam Aykut, Filiz Civil Arslan, Evrim Özkorumak Karagüzel, Gizem Aral, Serdar Karakullukçu
OBJECTIVE: Inflammation is an important factor in pathophysiology of bipolar disorder. Neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) analysis are used to predict peripheral inflammation. The aim of this study is to calculate neutrophil-lymphocyte and platelet-lymphocyte ratios, which are inflammatory markers, and investigate their effect on cognitive functions in euthymic patients with objective bipolar disorder. METHOD: Twenty - eight patients with type-I bipolar disorder and 22 healthy controls matched for age, gender and educational status were included in the study...
November 6, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29108106/measurement-tools-for-assessment-of-older-age-bipolar-disorder-a-systematic-review-of-the-recent-global-literature
#17
Soham Rej, William Quayle, Brent P Forester, Annemiek Dols, Jennifer Gatchel, Peijun Chen, Sarah Gough, Rebecca Fox, Martha Sajatovic, Sergio A Strejilevich, Lisa T Eyler
OBJECTIVES: More than 50% of people with bipolar disorder will be age 60 years or older by 2030. There is a need for more data to guide assessment and treatment in older age bipolar disorder (OABD); however, interpretation of findings from small, single-site studies may not be generalizable and there are few large trials. As a step in the direction of coordinated large-scale OABD data collection, it is critical to identify which measurements are currently used and identify potential gaps in domains typically assessed...
November 6, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/29103043/examining-the-relationship-between-trace-lithium-in-drinking-water-and-the-rising-rates-of-age-adjusted-alzheimer-s-disease-mortality-in-texas
#18
Val Andrew Fajardo, Val Andrei Fajardo, Paul J LeBlanc, Rebecca E K MacPherson
BACKGROUND: Alzheimer's disease (AD) mortality rates have steadily increased over time. Lithium, the current gold standard treatment for bipolar disorder, can exert neuroprotective effects against AD. OBJECTIVE: We examined the relationship between trace levels of lithium in drinking water and changes in AD mortality across several Texas counties. METHODS: 6,180 water samples from public wells since 2007 were obtained and averaged for 234 of 254 Texas counties...
October 30, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29102835/the-differential-association-between-history-of-childhood-sexual-abuse-and-body-mass-index-in-early-and-late-stages-of-bipolar-disorder
#19
Emilie Leclerc, Rodrigo B Mansur, Rodrigo Grassi-Oliveira, Quirino Cordeiro, Flavio Kapczinski, Roger S McIntyre, Elisa Brietzke
BACKGROUND: History of distal stressors such as childhood trauma is a well-established, non-specific vulnerability factor for multiple mental illnesses. The objective of this study was to investigate the possible association between history of childhood trauma and body mass index (BMI) in individuals in early and late stages of bipolar disorder (BD) and to verify is there was any difference in the association of sexual abuse history and obesity in early versus late stages of BD. METHODS: Seventy-one euthymic BD-type I patients and eighty-one healthy controls were evaluated using the Childhood Trauma Questionnaire (CTQ) and body mass index (BMI)...
October 20, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29100629/metabotropic-glutamatergic-receptor-5-and-stress-disorders-knowledge-gained-from-receptor-imaging-studies
#20
REVIEW
Irina Esterlis, Sophie E Holmes, Priya Sharma, John H Krystal, Christine DeLorenzo
The metabotropic glutamatergic receptor subtype 5 (mGluR5) may represent a promising therapeutic target for stress-related psychiatric disorders. Here, we describe mGluR5 findings in stress disorders, particularly major depressive disorder (MDD), highlighting insights from positron emission tomography studies. Positron emission tomography studies report either no differences or lower mGluR5 in MDD, potentially reflecting MDD heterogeneity. Unlike the rapidly acting glutamatergic agent ketamine, mGluR5-specific modulation has not yet shown antidepressant efficacy in MDD and bipolar disorder...
September 19, 2017: Biological Psychiatry
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