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https://www.readbyqxmd.com/read/28437821/-rapid-cycling-in-bipolar-disorders-symptoms-%C3%A2-background%C3%A2-and-treatment-recommendations
#1
Stephan Köhler, Eva Friedel, Thomas Stamm
Rapid cycling bipolar disorder is encountered frequently in clinical practice with a lifetime prevalence of up to 31 %. Besides its association with greater illness severity, increased suicide and comorbidity rates, rapid cycling bipolar disorder has been closely associated with a longer and more complicated course of disease and inadequate treatment response compared to non-rapid cycling bipolar disorder. However rapid cycling does not serve as a stable characteristic of bipolar disorder, though its prevalence increases with illness duration...
April 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28437059/psychotic-and-bipolar-disorders-bipolar-disorder
#2
Sarah D Holder
Bipolar disorder is a severe chronic mental illness that affects a large number of individuals. This disorder is separated into two major types, bipolar I disorder, with mania and typically recurrent depression, and bipolar II disorder, with recurrent major depression and hypomania. Patients with bipolar disorder spend the majority of time experiencing depression, and this typically is the presenting symptom. Because outcomes are improved with earlier diagnosis and treatment, physicians should maintain a high index of suspicion for bipolar disorder...
April 2017: FP Essentials
https://www.readbyqxmd.com/read/28437057/psychotic-and-bipolar-disorders-behavioral-disorders-in-dementia
#3
Sherri Morgan
Psychosis is one of the most common conditions in later life, with dementia being a main contributing factor. The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), now categorizes the various types of dementia as neurocognitive disorders. Alzheimer disease is a common cause of dementia and psychosis. Psychosis also is seen in patients with vascular dementia and dementia with Lewy bodies. Psychosis can be primary, caused by a psychiatric disorder listed in the DSM-5, or secondary, due to a medical or neurologic condition...
April 2017: FP Essentials
https://www.readbyqxmd.com/read/28432360/functional-ectopic-neuritogenesis-by-retinal-rod-bipolar-cells-is-regulated-by-mir-125b-5p-during-retinal-remodeling-in-rcs-rats
#4
Yan Fu, Baoke Hou, Chuanhuang Weng, Weiping Liu, Jiaman Dai, Congjian Zhao, Zheng Qin Yin
Following retinal degeneration, retinal remodeling can cause neuronal microcircuits to undergo structural alterations, which particularly affect the dendrites of bipolar cells. However, the mechanisms and functional consequences of such changes remain unclear. Here, we used Royal College of Surgeon (RCS) rats as a model of retinal degeneration, to study structural changes in rod bipolar cells (RBCs) and the underlying mechanisms of these changes. We found that, with retinal degeneration, RBC dendrites extended into the outer nuclear layer (ONL) of the retina, and the ectopic dendrites formed synapses with the remaining photoreceptors...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28419606/stratified-polygenic-risk-prediction-model-with-application-to-cagi-bipolar-disorder-sequencing-data
#5
Maggie Haitian Wang, Billy Chang, Rui Sun, Inchi Hu, Xiaoxuan Xia, William Ka Kei Wu, Ka Chun Chong, Benny Chung-Ying Zee
Genetic data consists of a wide range of marker types, including common, low frequency, and rare variants. Multiple genetic markers and their interactions play central roles in the heritability of complex disease. In this study, we propose an algorithm that uses a stratified variable selection design by genetic architectures and interaction effects, achieved by a data-set adaptive W-test. The polygenic sets in all strata were integrated to form a classification rule. The algorithm was applied to the Critical Assessment of Genome Interpretation 4 bipolar challenge sequencing data...
April 17, 2017: Human Mutation
https://www.readbyqxmd.com/read/28419586/a-review-of-the-nutritional-challenges-experienced-by-people-living-with-severe-mental-illness-a-role-for-dietitians-in-addressing-physical-health-gaps
#6
REVIEW
S B Teasdale, K Samaras, T Wade, R Jarman, P B Ward
People experiencing a severe mental illness (SMI), such as schizophrenia, schizoaffective disorder, bipolar affective disorder or depression with psychotic features, have a 20-year mortality gap compared to the general population. This 'scandal of premature mortality' is primarily driven by preventable cardiometabolic disease, and recent research suggests that the mortality gap is widening. Multidisciplinary mental health teams often include psychiatrists, clinical psychologists, specialist mental health nurses, social workers and occupational therapists, offering a range of pharmacological and nonpharmacological treatments to enhance the recovery of clients who have experienced, or are experiencing a SMI...
April 17, 2017: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
https://www.readbyqxmd.com/read/28415701/wogonin-induces-retinal-neuron-like-differentiation-of-bone-marrow-stem-cells-by-inhibiting-notch-1-signaling
#7
Qinmeng Shu, Hong Zhuang, Jiawen Fan, Xin Wang, Gezhi Xu
Age-related macular degeneration and retinitis pigmentosa are major causes of irreversible vision loss in the elderly and, despite sustained efforts, current treatments are largely ineffective. Wogonin is a bioactive plant flavonoid possessing a range of beneficial properties, including neuroprotective effects. We investigated the ability of wogonin to promote retinal neuron-like differentiation of bone marrow stem cells (BMSCs) and assessed the involvement of Notch-1 signaling in this process. Cultured mouse BMSCs were left untreated or exposed to neurotrophic factors in the presence or absence of wogonin, and western blotting, RT-PCR and immunofluorescence were used to identify changes in molecular markers of stemness and neuroretinal differentiation...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410876/the-treatment-of-fatigue-by-non-invasive-brain-stimulation
#8
REVIEW
Jean-Pascal Lefaucheur, Moussa A Chalah, Alaa Mhalla, Ulrich Palm, Samar S Ayache, Veit Mylius
The use of non-invasive brain neurostimulation (NIBS) techniques to treat neurological or psychiatric diseases is currently under development. Fatigue is a commonly observed symptom in the field of potentially treatable pathologies by NIBS, yet very little data has been published regarding its treatment. We conducted a review of the literature until the end of February 2017 to analyze all the studies that reported a clinical assessment of the effects of NIBS techniques on fatigue. We have limited our analysis to repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS)...
April 11, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28409101/microdrilling-surgery-augmented-with-intra-articular-bone-marrow-aspirate-concentrate-platelet-rich-plasma-and-hyaluronic-acid-a-technique-for-cartilage-repair-in-the-knee
#9
Joseph E Broyles, M Adaire O'Brien, M Patrick Stagg
The ideal treatment of large full-thickness chondral lesions in the knee, especially "kissing lesions" and osteoarthritis, has not been determined. Microdrilling surgery augmented with injections of peripheral blood stem cells and hyaluronic acid has been used to treat patients with a wide range of articular cartilage disease including patients with bipolar lesions and joint space narrowing. Excellent results in this difficult patient population have been reported, and second-look biopsy has shown repair tissue very similar to native hyaline cartilage...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28404515/assessment-of-cardiovascular-risk-via-atherogenic-indices-in-patients-with-bipolar-disorder-manic-episode-and-alterations-with-treatment
#10
Tevfik Kalelioglu, Abdullah Genc, Nesrin Karamustafalioglu, Murat Emul
OBJECTIVES: Cardiovascular disease is one of the important cause of mortality among patients with Bipolar Disorder. Castelli Risk index I and II (CRI-I and II), Atherogenic Index of Plasma (AIP) and Atherogenic coefficient (AC) are new parameters in assessing cardiovascular risk. In this study we aimed to explore the status of cardiovascular risk factors and their alterations with treatment in manic episode. METHODS: Bipolar Disorder inpatients who were in manic episode and age-gender matched healthy controls were included in the study...
April 2, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28401296/associations-of-specific-psychiatric-disorders-with-isolated-focal-dystonia-and-monogenic-and-idiopathic-parkinson-s-disease
#11
Susanne Steinlechner, Johann Hagenah, Hans-Jürgen Rumpf, Christian Meyer, Ulrich John, Tobias Bäumer, Norbert Brüggemann, Meike Kasten, Alexander Münchau, Christine Klein, Rebekka Lencer
Comorbidity of psychiatric disorders in patients with movement disorders is common. Often, psychiatric symptoms manifest before the onset of the movement disorder, thus not representing a mere reaction to its burden. How the disease mechanisms of psychiatric and movement disorders are related is still poorly understood. The aim of the present study was to compare prevalence rates of specific psychiatric disorders between different movement disorders including isolated focal dystonia (IFD, N = 91), monogenic Parkinson's disease (PD, N = 41), idiopathic PD (N = 45), and a sample from a Northern Germany general population (TACOS Study; N = 4075)...
April 11, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28400500/differential-hemodynamic-and-respiratory-responses-to-right-and-left-cervical-vagal-nerve-stimulation-in-rats
#12
Harald M Stauss
Neuromodulation through vagal nerve stimulation (VNS) is currently explored for a variety of clinical conditions. However, there are no established VNS parameters for animal models of human diseases, such as hypertension. Therefore, the aim of this study was to assess hemodynamic and respiratory responses to right- or left-sided cervical VNS in a hypertensive rat model. Anesthetized stroke-prone spontaneously hypertensive rats were instrumented for arterial blood pressure and heart rate monitoring and left- or right-sided VNS Cervical VNS was applied through bipolar coil electrodes...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28399943/bipolar-disorder-patients-display-reduced-serum-complement-levels-and-elevated-peripheral-blood-complement-expression-levels
#13
Uğur Akcan, Sercan Karabulut, Cem İsmail Küçükali, Sibel Çakır, Erdem Tüzün
OBJECTIVE: Bipolar disorder (BD) patients have recently been shown to exhibit increased proinflammatory cytokine levels indicating the role of inflammation in this disease. As inflammatory responses often include complement level alterations and complement production is influenced by cytokines, we aimed to find out whether complement system is activated in BD in a time-dependent manner and complement factors are involved in BD pathogenesis. METHODS: Serum C4, factor B, sC5b-9 and neuron-specific enolase levels were measured by enzyme-linked immunosorbent assay, whereas peripheral blood mononuclear cell messenger RNA (mRNA) expression levels of C1q, C4, factor B and CD55 were measured by real-time polymerase chain reaction in chronic BD patients (n=22), first episode BD patients (n=24) and healthy controls (n=19)...
April 12, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28398343/large-scale-interaction-effects-reveal-missing-heritability-in-schizophrenia-bipolar-disorder-and-posttraumatic-stress-disorder
#14
H J Woo, C Yu, K Kumar, J Reifman
Genetic susceptibility factors behind psychiatric disorders typically contribute small effects individually. A possible explanation for the missing heritability is that the effects of common variants are not only polygenic but also non-additive, appearing only when interactions within large groups are taken into account. Here, we tested this hypothesis for schizophrenia (SZ) and bipolar disorder (BP) disease risks, and identified genetic factors shared with posttraumatic stress disorder (PTSD). When considered independently, few single-nucleotide polymorphisms (SNPs) reached genome-wide significance...
April 11, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28392359/intracranial-self-stimulation-reward-induces-neurite-extension-in-pc12m3-cells-and-activation-of-the-p38-mapk-pathway
#15
Yutaka Gomita, Satoru Esumi, Naoya Sugiyama, Yoshihisa Kitamura, Yoshihisa Koike, Hirotoshi Motoda, Toshiaki Sendo, Yoshio Kano
Factors that trigger emotional expression may be divided into two patterns according to the type of motivation, acquiring reward (pleasure) and avoiding aversion (punishment). Repeated exposure to certain external stimuli accompanied by aberrant motivation may produce psychiatric diseases such as bipolar disorder and addiction via dysregulation of the central nervous system. However, neurobiological underpinnings of such diseases have not been clarified, especially at the neuronal level. In the present study, plasma from rats undergoing intracranial self-stimulation (ICSS) produced neurite outgrowth in PC12-variant cells (PC12m3)...
April 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28391108/mitochondrial-genetic-haplogroups-and-depressive-symptoms-a-large-study-among-people-in-north-america
#16
Nicola Veronese, Brendon Stubbs, Marco Solmi, Alberto Vaona, Jacopo Demurtas, Andre F Carvalho, Ai Koyanagi, Trevor Thompson, Mario Zoratti, Stefania Maggi
BACKGROUND: A possible relationship between mitochondrial haplogroups and psychiatric diseases (e.g. schizophrenia and bipolar disorder) has been postulated, but data regarding depression is still limited. We investigated whether any mitochondrial haplogroup carried a significant higher risk of depressive symptoms in a large prospective cohort of North American people included in the Osteoarthritis Initiative. METHODS: Cross sectional data was derived from the Osteoarthritis Initiative...
April 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28387462/identification-and-electrophysiological-characterization-of-early-left-atrial-structural-remodeling-as-a-predictor-for-atrial-fibrillation-recurrence-after-pulmonary-vein-isolation
#17
Atsuhiko Yagishita, Dina Sparano, Ivan Cakulev, J Rod Gimbel, Timothy Phelan, Hossam Mustafa, Samer De Oliveira, Judith Mackall, Mauricio Arruda
BACKGROUND: Voltage-guided substrate ablation following pulmonary vein isolation (PVI) improves atrial fibrillation (AF) ablation outcomes. However, by setting upper voltage cutoff of 0.5 mV during sinus rhythm (SR) to guided substrate ablation using electroanatomic voltage mapping (EAVM), mildly affected low voltage area (maLVA) may be undetected. We sought to determine the optimal bipolar voltage cutoff to identify maLVA, its electrogram complexity, and the implication on ablation outcome...
April 7, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28387438/the-cognitive-footprint-of-psychiatric-and-neurological-conditions-cross-sectional-study-in-the-uk-biobank-cohort
#18
B Cullen, D J Smith, I J Deary, J J Evans, J P Pell
OBJECTIVE: We aimed to quantify the prevalence of cognitive impairment in adults with a history of mood disorder, schizophrenia, multiple sclerosis or Parkinson's disease, within a large general population cohort. METHOD: Cross-sectional study using UK Biobank data (n = 502 642). Psychiatric and neurological exposure status was ascertained via self-reported diagnoses, hospital records and questionnaires. Impairment on reasoning, reaction time and memory tests was defined with reference to a single unexposed comparison group...
April 7, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28386219/ncam-regulates-inhibition-and-excitability-in-layer-2-3-pyramidal-cells-of-anterior-cingulate-cortex
#19
Xuying Zhang, Chelsea S Sullivan, Megan B Kratz, Michael R Kasten, Patricia F Maness, Paul B Manis
The neural cell adhesion molecule (NCAM), has been shown to be an obligate regulator of synaptic stability and pruning during critical periods of cortical maturation. However, the functional consequences of NCAM deletion on the organization of inhibitory circuits in cortex are not known. In vesicular gamma-amino butyric acid (GABA) transporter (VGAT)-channelrhodopsin2 (ChR2)-enhanced yellow fluorescent protein (EYFP) transgenic mice, NCAM is expressed postnatally at perisomatic synaptic puncta of EYFP-labeled parvalbumin, somatostatin and calretinin-positive interneurons, and in the neuropil in the anterior cingulate cortex (ACC)...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28376926/cancer-and-central-nervous-system-disorders-protocol-for-an-umbrella-review-of-systematic-reviews-and-updated-meta-analyses-of-observational-studies
#20
Ferrán Catalá-López, Brian Hutton, Jane A Driver, Matthew J Page, Manuel Ridao, José M Valderas, Adolfo Alonso-Arroyo, Jaume Forés-Martos, Salvador Martínez, Ricard Gènova-Maleras, Diego Macías-Saint-Gerons, Benedicto Crespo-Facorro, Eduard Vieta, Alfonso Valencia, Rafael Tabarés-Seisdedos
BACKGROUND: The objective of this study will be to synthesize the epidemiological evidence and evaluate the validity of the associations between central nervous system disorders and the risk of developing or dying from cancer. METHODS/DESIGN: We will perform an umbrella review of systematic reviews and conduct updated meta-analyses of observational studies (cohort and case-control) investigating the association between central nervous system disorders and the risk of developing or dying from any cancer or specific types of cancer...
April 4, 2017: Systematic Reviews
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