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https://www.readbyqxmd.com/read/28108944/the-seroprevalence-of-antithyroid-peroxidase-antibodies-in-bipolar-families-and-bipolar-twins-results-from-two-longitudinal-studies
#1
G Snijders, L de Witte, E Mesman, S Kemner, R Vonk, R Brouwer, W A Nolen, H A Drexhage, M H J Hillegers
BACKGROUND: Previous studies of our group among bipolar offspring and bipolar twins showed significant higher prevalence's and levels of antithyroid peroxidase antibodies (TPO-Abs) in offspring and co-twins (without a mood disorder) compared to controls, suggesting that TPO-Abs might be considered as vulnerability factor (trait marker) for BD development. OBJECTIVES: Here we elucidate, in the same cohorts, but now after 12- and 6-year follow-up, whether TPO-abs should be considered as a 'trait' marker for BD...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28108360/archaeal-lipids-in-oral-delivery-of-therapeutic-peptides
#2
Ann-Christin Jacobsen, Sara M Jensen, Gert Fricker, Martin Brandl, Alexander Treusch
Archaea contain membrane lipids that differ from those found in the other domains of life (Eukarya and Bacteria). These lipids consist of isoprenoid chains attached via ether bonds to the glycerol carbons at the sn-2,3 positions. Two types of ether lipids are known, polar diether lipids and bipolar tetraether lipids. The inherent chemical stability and unique membrane-spanning characteristics of tetraether lipids render them interesting for oral drug delivery purposes. Archaeal lipids form liposomes spontaneously (archaeosomes) and may be incorporated in conventional liposomes (mixed vesicles)...
January 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#3
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107074/analysis-of-the-normal-electrocardiogram-in-wild-rooks-corvus-frugilegus
#4
Hossein Hassanpour, Hossein Abbasi Dehkordi, Mehdi Khosravi, Saeid Soltani, Leila Nasiri
To describe the normal electrocardiographic (ECG) patterns and values in unanesthetized rooks ( Corvus frugilegus ), standard bipolar (I, II, and III) and augmented unipolar limb (aVR, aVL, and aVF) lead ECGs were recorded from 10 clinically healthy wild rooks. Wave forms were analyzed in all leads at 50 mm/s and at 10 mm = 1 mV to determine PR, QRS, ST, and QT durations; the net QRS complex; and P and T amplitudes. The polarity of each waveform was tabulated in all leads. The mean electrical axis (MEA) for the frontal plane was counted by using leads II and III...
December 2016: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28104887/regional-and-global-sea-surface-temperatures-during-the-last-interglaciation
#5
Jeremy S Hoffman, Peter U Clark, Andrew C Parnell, Feng He
The last interglaciation (LIG, 129 to 116 thousand years ago) was the most recent time in Earth's history when global mean sea level was substantially higher than it is at present. However, reconstructions of LIG global temperature remain uncertain, with estimates ranging from no significant difference to nearly 2°C warmer than present-day temperatures. Here we use a network of sea-surface temperature (SST) records to reconstruct spatiotemporal variability in regional and global SSTs during the LIG. Our results indicate that peak LIG global mean annual SSTs were 0...
January 20, 2017: Science
https://www.readbyqxmd.com/read/28104483/the-inhomogeneity-and-complexity-in-defining-fractionated-electrograms
#6
Lisette J M E van der Does, Natasja M S de Groot
Ablation strategies targeting areas of complex fractionated atrial electrograms (CFAE) are not successful in the treatment of atrial fibrillation. Fractionation of atrial electrograms may have multiple causes of both pathological and non-pathological origin. In order to get insight in the definitions used for determining areas of fractionation a literature search was performed using a systematic approach. A Pubmed search for studies describing fractionation during human atrial electrophysiological measurements resulted in 348 articles that were screened for new definitions of fractionation...
January 16, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28104366/effects-of-acute-and-chronic-quercetin-administration-on-methylphenidate-induced-hyperlocomotion-and-oxidative-stress
#7
Luiz K S Kanazawa, Débora D Vecchia, Etiéli M Wendler, Palloma de A S Hocayen, Paulo S Berão, Manuela L de Mélo, Francislaine A Dos Reis Lívero, Claudia Rita Corso, Maria Carolina Stipp, Alexandra Acco, Roberto Andreatini
AIMS: Increases in protein kinase C (PKC) and oxidative stress have been related to mania. Drugs with antioxidant effects or inhibitory actions on PKC may have antimanic effects. The flavonoid quercetin has antioxidant and PKC-inhibiting effects that resemble those of lithium, the first-line treatment for mania in bipolar disorder. We hypothesized that quercetin may have antimanic-like effects in an animal model. MAIN METHODS: In the present study, we investigated the effects of acute and chronic treatment with quercetin (2...
January 16, 2017: Life Sciences
https://www.readbyqxmd.com/read/28102459/a-qualitative-exploration-of-clinician-views-and-experiences-of-treatment-decision-making-in-bipolar-ii-disorder
#8
Alana Fisher, Vijaya Manicavasagar, Louise Sharpe, Rebekah Laidsaar-Powell, Ilona Juraskova
This study qualitatively explored clinicians' views and experiences of treatment decision-making in BPII. Semi-structured interviews were conducted with 20 practising clinicians (n = 10 clinical psychologists, n = 6 GPs, n = 4 psychiatrists) with experience in treating adult outpatients with BPII. Interviews were audiotaped, transcribed verbatim and thematically analysed using framework methods. Professional experience, and preferences for patient involvement in decision-making were also assessed...
January 19, 2017: Community Mental Health Journal
https://www.readbyqxmd.com/read/28099769/persistent-serious-mental-illness-among-former-applicants-for-va-ptsd-disability-benefits-and-long-term-outcomes-symptoms-functioning-and-employment
#9
Maureen Murdoch, Michele Roxanne Spoont, Shannon Marie Kehle-Forbes, Eileen Mae Harwood, Nina Aileen Sayer, Barbara Ann Clothier, Ann Kay Bangerter
: Millions of U.S. veterans have returned from military service with posttraumatic stress disorder (PTSD), for which a substantial number receive U.S. Department of Veterans Affairs (VA) disability benefits. Although PTSD is treatable, comorbid serious mental illness (defined here as schizophrenia, schizoaffective disorder, and bipolar spectrum disorders) could complicate these veterans' recovery. Using VA administrative data, we examined the burden of persistent serious mental illness in a nationally representative cohort of 1,067 men and 1,513 women who applied for VA PTSD disability benefits between 1994 and 1998 and served during or after the Vietnam conflict...
January 18, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28099356/increased-risk-of-parkinson-disease-with-diabetes-mellitus-in-a-population-based-study
#10
Yu-Wan Yang, Teng-Fu Hsieh, Chia-Ing Li, Chiu-Shong Liu, Wen-Yuan Lin, Jen-Huai Chiang, Tsai-Chung Li, Cheng-Chieh Lin
This nationwide population-based study investigated the risk of Parkinson disease (PD) in relation to diabetes mellitus (DM) through the National Health Insurance Research Database in Taiwan.A retrospective study was conducted, consisting of 36,294 patients who were newly diagnosed with DM between January 1, 2000 and December 31, 2006 and 108,882 individuals without DM as healthy controls from insurance claims data from Taiwan's National Health Research Institutes Dataset. The subjects were followed up until December 31, 2011 or until the first manifestation of PD...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099138/role-of-glial-cell-line-derived-neurotrophic-factor-in-the-pathogenesis-and-treatment-of-mood-disorders
#11
Anton S Tsybko, Tatiana V Ilchibaeva, Nina K Popova
Glial cell line-derived neurotrophic factor (GDNF) is widely recognized as a survival factor for dopaminergic neurons, but GDNF has also been shown to promote development, differentiation, and protection of other central nervous system neurons and was thought to play an important role in various neuropsychiatric disorders. Severe mood disorders, such as primarily major depressive disorder and bipolar affective disorder, attract particular attention. These psychopathologies are characterized by structural alterations accompanied by the dysregulation of neuroprotective and neurotrophic signaling mechanisms required for the maturation, growth, and survival of neurons and glia...
January 18, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28098430/behavioral-and-electrophysiological-alterations-for-reinforcement-learning-in-manic-and-euthymic-patients-with-bipolar-disorder
#12
Vin Ryu, Ra Yeon Ha, Su Jin Lee, Kyooseob Ha, Hyun-Sang Cho
AIMS: Bipolar disorder is characterized by behavioral changes such as risk-taking and increasing goal-directed activities, which may result from altered reward processing. Patients with bipolar disorder show impaired reward learning in situations that require the integration of reinforced feedback over time. In this study, we examined the behavioral and electrophysiological characteristics of reward learning in manic and euthymic patients with bipolar disorder using a probabilistic reward task...
January 18, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28097654/melanopsin-expressing-ganglion-cells-in-human-retina-morphology-distribution-and-synaptic-connections
#13
Subha Nasir-Ahmad, Sammy C S Lee, Paul R Martin, Ulrike Grünert
Melanopsin-expressing retinal ganglion cells are intrinsically photosensitive cells that are involved in non-image forming visual processes such as the pupillary light reflex and circadian entrainment but also contribute to visual perception. Here we used immunohistochemistry to study the morphology, density, distribution and synaptic connectivity of melanopsin-expressing ganglion cells in four post mortem human donor retinas. Two types of melanopsin-expressing ganglion cells were distinguished based on their dendritic stratification near either the outer or the inner border of the inner plexiform layer...
January 18, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28097648/a-systematic-review-and-meta-analysis-of-prospective-transition-from-major-depression-to-bipolar-disorder
#14
A Ratheesh, C Davey, S Hetrick, M Alvarez-Jimenez, C Voutier, A Bechdolf, P D McGorry, J Scott, M Berk, S M Cotton
OBJECTIVE: Some people with major depressive disorder (MDD) may be at a pre-onset stage for bipolar disorder (BD), where early identification or prevention efforts may be feasible. We aimed to identify rates and characteristics predictive of transition to BD in prospective follow-up studies of people with MDD. METHODS: Using a systematic search strategy, we identified studies with a diagnostic ascertainment of MDD and BD of an adequate standard, and where the minimum length of follow-up was 6 months...
January 18, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28096882/design-and-methods-of-the-mood-disorder-cohort-research-consortium-mdcrc-study
#15
Chul-Hyun Cho, Yong-Min Ahn, Se Joo Kim, Tae Hyun Ha, Hong Jin Jeon, Boseok Cha, Eunsoo Moon, Dong Yeon Park, Ji Hyun Baek, Hee-Ju Kang, Vin Ryu, Hyonggin An, Heon-Jeong Lee
The Mood Disorder Cohort Research Consortium (MDCRC) study is designed as a naturalistic observational prospective cohort study for early-onset mood disorders (major depressive disorders, bipolar disorders type 1 and 2) in South Korea. The study subjects consist of two populations: 1) patients with mood disorders under 25 years old and 2) patients with mood disorders within 2 years of treatment under 35 years old. After successful screening, the subjects are evaluated using baseline assessments and serial follow-up assessments at 3-month intervals...
January 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28095742/lithium-response-in-bipolar-disorders-and-core-clock-genes-expression
#16
Pierre A Geoffroy, Emmanuel Curis, Cindie Courtin, Jeverson Moreira, Thomas Morvillers, Bruno Etain, Jean-Louis Laplanche, Frank Bellivier, Cynthia Marie-Claire
OBJECTIVES: We examine if the lithium response is associated with changes in core clock genes expressions. METHODS: The effect of a therapeutic concentration of lithium (1mM) on the expression levels of 17 circadian genes, was examined in lymphoblastoid cell lines (LCLs) derived from two well-characterized groups of BD patients, defined as lithium non-responders (NR, n = 20) or excellent responders (ER, n = 16). Quantitative real-time PCR (qRT-PCR) were conducted at 2, 4 and 8 days (d2, d4, d8) with and without lithium exposure...
January 18, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28094502/highly-efficient-full-color-thermally-activated-delayed-fluorescent-organic-light-emitting-diodes-extremely-low-efficiency-roll-off-utilizing-a-host-with-small-singlet-triplet-splitting
#17
Dongdong Zhang, Chongguang Zhao, Yunge Zhang, Xiaozeng Song, Pengcheng Wei, Minghan Cai, Lian Duan
Numerous efforts have been devoted to boost the efficiency of thermally activated delayed fluorescence (TADF) devices; however, strategies to suppress the device efficiency roll-off are still in urgent need. Here, a general and effective approach to suppress the efficiency roll-off of TADF devices is proposed, that is utilizing TADF materials as the hosts for TADF emitters. Bearing small singlet-triplet splitting (ΔEST) with donor and acceptor units, TADF materials as the hosts possess the potential to achieve matched frontier energy levels with the adjacent transporting layers, facilitating balanced charge injection, as well as bipolar charge transport mobilities, beneficial to the balanced charges transportation...
January 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28093238/a-model-of-the-mitochondrial-basis-of-bipolar-disorder
#18
REVIEW
Gerwyn Morris, Ken Walder, Sean L McGee, Olivia M Dean, Susannah J Tye, Michael Maes, Michael Berk
BACKGROUND: Bipolar disorder phenomenologically is a biphasic disorder of energy availability; increased in mania and decreased in depression. In consort, there is accumulating evidence indicating increased mitochondrial respiration and ATP production in bipolar mania which contrasts with decreased mitochondrial function in patients in the euthymic or depressive phase of the illness. Consequently, the central thesis of this paper is that bipolar disorder is due to a phasic dysregulation of mitochondrial biogenergetics...
January 14, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28093058/off-label-prescribing-of-psychotropic-medication-2005-2013-an-examination-of-potential-influences
#19
Peggy L O'Brien, Nicholas Cummings, Tami L Mark
OBJECTIVE: This study examined rates of psychotropic prescriptions for various on- and off-label uses in 2005 and 2013 in the context of changes in labeled indications. METHODS: The National Disease and Therapeutic Index, a survey of nationally representative office-based physicians that identifies the diagnosis attached to each prescription, was used to capture the number of psychiatric medications prescribed for a particular diagnosis in 2005 (N=4,120) and 2013 (N=4,140)...
January 17, 2017: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/28091795/mood-spectrum-disorders-and-perception-of-pain
#20
Antonella Ciaramella
: Evaluation of pain perception in chronic pain patients with a concomitant mood-spectrum disorder. DESIGN: The observational retrospective study is based on patient data collected in psychosomatic consultations held at the Gift Institute for Integrative Medicine in Pisa, Italy, from 2002 to 2014. Evoked pain stimulus threshold and tolerance were evaluated using the cold pressor test. Clinical pain intensity and Sensorial, Affective, and Evaluative dimensions were assessed using the Italian Pain Questionnaire, and Anxiety and Depressive symptoms using the Hospital Anxiety Depression Scale...
January 14, 2017: Psychiatric Quarterly
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