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https://www.readbyqxmd.com/read/28738324/the-link-between-refractoriness-and-neuroprogression-in-treatment-resistant-bipolar-disorder
#1
Isabelle E Bauer, Jair C Soares, Salih Selek, Thomas D Meyer
Treatment refractoriness remains one of the biggest challenges in the field of bipolar disorder (BD) as treatments are often suboptimal or unsatisfactory. Recent evidence points towards a potential link between the progressively evolving nature of BD, increased inflammation, and reduced treatment response. There are several medications and other somatic treatments available, but remission rates are low, and medication compliance is still problematic. Psychotherapeutic techniques appear to be promising in several disease states and in relapse prevention, but additional research is needed to determine who will benefit from what strategy the most...
July 24, 2017: Modern Trends in Pharmacopsychiatry
https://www.readbyqxmd.com/read/28734460/affected-anatomical-rich-club-and-structural-functional-coupling-in-young-offspring-of-schizophrenia-and-bipolar-disorder-patients
#2
Guusje Collin, Lianne H Scholtens, René S Kahn, Manon H J Hillegers, Martijn P van den Heuvel
BACKGROUND: Emerging evidence suggests disruptions in the wiring organization of the brain's network in schizophrenia (SZ) and bipolar disorder (BD). As the importance of genetic predisposition has been firmly established in these illnesses, children (offspring) of patients constitute an at-risk population. This study examines connectome organization in children at familial high risk for psychosis. METHODS: Diffusion-weighted magnetic resonance imaging scans were collected from 127 nonpsychotic offspring 8 to 18 years of age (average age = 13...
June 21, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28734045/effectiveness-of-light-therapy-in-cognitively-impaired-persons-a-metaanalysis-of-randomized-controlled-trials
#3
Huei-Ling Chiu, Pi-Tuan Chen, Hsin Chu, Shu-Tai Sheen Hsiao, Doresses Liu, Chueh-Ho Lin, Kuei-Ru Chou
OBJECTIVES: To explore the effects of light therapy on behavioral disturbances (BDs), sleep quality, and depression. DESIGN: Meta-analysis of randomized controlled trials. SETTING: PubMed, Cochrane Library, Medline, EMBASE, Web of Science, and clinicaltrials.gov of selected randomized controlled trials and previous systematic reviews were searched. PARTICIPANTS: Cognitively impaired persons. MEASUREMENTS: Information was extracted on study characteristics, quality assessment, and outcomes...
July 22, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28732669/clinical-use-of-fetal-measurements-to-determine-the-whelping-day-in-german-shepherd-breed-bitches
#4
Marta Cecchetto, Chiara Milani, Juri Vencato, Hasan Sontas, Antonio Mollo, Barbara Contiero, Stefano Romagnoli
The aim of this work was to use a linear regression model previously developed in a pilot study to calculate days before parturition (DbP) using inner chorionic cavity (ICC), biparietal diameter (BPD), crown-rump length (CRL), body diameter (BD) and deep portion of telencephalic vesicle (DPTV) in German shepherd dogs (GSD) with known ovulation day and then to test that model in bitches with unknown ovulation day. In our current study, a model for GSD bitches published in a previous report, proved satisfactory for ICC [DbP=44...
July 12, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28732208/longitudinal-investigation-of-the-parietal-lobe-anatomy-in-bipolar-disorder-and-its-association-with-general-functioning
#5
Adele Ferro, Carolina Bonivento, Giuseppe Delvecchio, Marcella Bellani, Cinzia Perlini, Nicola Dusi, Veronica Marinelli, Mirella Ruggeri, A Carlo Altamura, Benedicto Crespo-Facorro, Paolo Brambilla
The parietal lobe (PL) supports cognitive domains, including attention and memory, which are impaired in bipolar disorder (BD). Although cross-sectional voxel-based morphometry studies found reduced PL grey matter (GM) in BD, none has longitudinally focused on PL anatomy in BD, relating it to patients' functioning. Thirty-eight right-handed BD patients and 42 matched healthy subjects (HS) underwent a Magnetic Resonance Imaging (MRI) scan at baseline. Seventeen BD patients and 16 matched HS underwent a follow-up MRI...
June 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28731906/c1-inhibitor-treatment-decreases-renal-injury-in-an-established-brain-dead-rat-model
#6
Felix Poppelaars, Neeltina M Jager, Juha Kotimaa, Henri G D Leuvenink, Mohamed R Daha, Cees van Kooten, Marc A Seelen, Jeffrey Damman
BACKGROUND: Kidneys derived from brain-dead (BD) donors have lower graft survival rates compared to kidneys from living donors. Complement activation plays an important role in brain death. The aim of our study was therefore to investigate the effect of C1-inhibitor (C1-INH) on BD-induced renal injury. METHODS: Brain death was induced in rats by inflating a subdurally placed balloon catheter. Thirty minutes after BD, rats were treated with saline, low-dose or high-dose C1-INH...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731778/a-pharmacologic-algorithm-for-youth-who-are-at-high-risk-for-bipolar-disorder
#7
Christopher D Schneck, Kiki D Chang, Manpreet K Singh, Melissa P DelBello, David J Miklowitz
OBJECTIVE: Depression and brief periods of manic symptoms are linked to a significant risk of progression to bipolar disorder (BD) in children who have a first-degree relative with BD I or II. However, little evidence exists to guide the pharmacologic management of children with these high-risk phenotypes. We propose a pharmacological treatment algorithm for high-risk youth and present results on its use in a study of children with a first-degree relative with BD. METHODS: Subjects were 40 youth (mean 12...
July 21, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28729557/antifungal-treatment-of-wild-amphibian-populations-caused-a-transient-reduction-in-the-prevalence-of-the-fungal-pathogen-batrachochytrium-dendrobatidis
#8
Corina C Geiger, Cindy Bregnard, Elodie Maluenda, Maarten J Voordouw, Benedikt R Schmidt
Emerging infectious diseases can drive host populations to extinction and are a major driver of biodiversity loss. Controlling diseases and mitigating their impacts is therefore a priority for conservation science and practice. Chytridiomycosis is a devastating disease of amphibians that is caused by the fungal pathogen Batrachochytrium dendrobatidis (Bd), and for which there is an urgent need to develop mitigation methods. We treated tadpoles of the common midwife toad (Alytes obstetricans) with antifungal agents using a capture-treat-release approach in the field...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728937/the-impact-of-machine-learning-techniques-in-the-study-of-bipolar-disorder-a-systematic-review
#9
REVIEW
Diego Librenza-Garcia, Bruno Jaskulski Kotzian, Jessica Yang, Benson Mwangi, Bo Cao, Luiza Nunes Pereira Lima, Mariane Bagatin Bermudez, Manuela Vianna Boeira, Flávio Kapczinski, Ives Cavalcante Passos
Machine learning techniques provide new methods to predict diagnosis and clinical outcomes at an individual level. We aim to review the existing literature on the use of machine learning techniques in the assessment of subjects with bipolar disorder. We systematically searched PubMed, Embase and Web of Science for articles published in any language up to January 2017. We found 757 abstracts and included 51 studies in our review. Most of the included studies used multiple levels of biological data to distinguish the diagnosis of bipolar disorder from other psychiatric disorders or healthy controls...
July 17, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28728036/the-relationship-between-brain-volumes-and-intelligence-in-bipolar-disorder
#10
Annabel Vreeker, Lucija Abramovic, Marco P M Boks, Sanne Verkooijen, Annet H van Bergen, Roel A Ophoff, René S Kahn, Neeltje E M van Haren
OBJECTIVES: Bipolar disorder type-I (BD-I) patients show a lower Intelligence Quotient (IQ) and smaller brain volumes as compared with healthy controls. Considering that in healthy individuals lower IQ is related to smaller total brain volume, it is of interest to investigate whether IQ deficits in BD-I patients are related to smaller brain volumes and to what extent smaller brain volumes can explain differences between premorbid IQ estimates and IQ after a diagnosis of BD-I. METHODS: Magnetic resonance imaging brain scans, IQ and premorbid IQ scores were obtained from 195 BDI patients and 160 controls...
July 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28727196/insulin-regimens-for-newly-diagnosed-children-with-type-1-diabetes-mellitus-in-australia-and-new-zealand-a-survey-of-current-practice
#11
Dharrshinee Selvakumar, Hesham S Al-Sallami, Martin de Bock, Geoffrey R Ambler, Paul Benitez-Aguirre, Esko Wiltshire, Elaine Tham, Peter Simm, Louise S Conwell, Phillipa J Carter, Benjamin B Albert, Jinny Willis, Benjamin J Wheeler
AIM: There is no consensus on the optimal insulin treatment for children newly diagnosed with type 1 diabetes mellitus (T1DM). The aims of this study were (i) to describe the insulin regimens used at diagnosis by patient age and geographical region and (ii) to explore differences between and within Australia (AU) and New Zealand (NZ) with regards to other aspects of patient management and education. METHODS: An online survey of medical professionals caring for children with T1DM in AU and NZ was undertaken...
July 20, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28725944/skin-bacterial-community-reorganization-following-metamorphosis-of-the-fire-bellied-toad-bombina-orientalis
#12
Arnaud Bataille, Larisa Lee-Cruz, Binu Tripathi, Bruce Waldman
In organisms with complex life histories, dramatic changes in microbial community structure may occur with host development and immune system maturation. Amphibian host susceptibility to diseases such as chytridiomycosis may be affected by the reorganization of skin microbial community structure that occurs during metamorphosis. We tracked changes in the bacterial communities inhabiting skin of Korean fire-bellied toads (Bombina orientalis) that we infected as tadpoles with different strains of Batrachochytrium dendrobatidis (Bd), the pathogenic fungus that causes chytridiomycosis...
July 19, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28725064/editorial-stopping-pancreatic-cyst-surveillance
#13
James J Farrell
The management of patients with pancreatic cysts, especially presumed branch duct intraductal papillary mucinous neoplasms (BD-IPMNs), remains a challenge. BD-IPMNs carry a very low risk of malignancy and occur in predominantly older individuals who often die from causes not related to their pancreatic disease. The specific decision to stop surveillance of presumed low risk BD-IPMNs (those without either worrisome features (WF) or high risk stigmata (HRS)) is controversial, and needs to balance the real risk of malignancy or developing malignancy and IPMN-related mortality, with the patient's life expectancy, quality of life expectations, and mortality from non-pancreatic-related causes...
July 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28724744/ten-years-transmission-of-the-new-variant-of-chlamydia-trachomatis-in-sweden-prevalence-of-infections-and-associated-complications
#14
Jenny Dahlberg, Ronza Hadad, Karin Elfving, Inger Larsson, Jenny Isaksson, Anders Magnuson, Hans Fredlund, Magnus Unemo, Bjőrn Herrmann
OBJECTIVES: In 2006, a new variant of Chlamydia trachomatis (nvCT) was discovered in Sweden. It has a deletion in the plasmid resulting in failed detection by the single target systems from Abbott and Roche used at that time, whereas the third system used, from Becton Dickinson (BD), detects nvCT. The proportion of nvCT was initially up to 65% in counties using Abbott/Roche systems. This study analysed the proportion of nvCT from 2007 to 2015 in four selected counties and its impact on chlamydia-associated complications...
July 19, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28722587/lack-of-geospatial-population-structure-yet-significant-linkage-disequilibrium-in-the-reservoir-of-plasmodium-falciparum-in-bongo-district-ghana
#15
Shazia Ruybal-Pesántez, Kathryn E Tiedje, Mary M Rorick, Lucas Amenga-Etego, Anita Ghansah, Abraham Oduro, Kwadwo A Koram, Karen P Day
Malaria control in West Africa is impeded by the large reservoir of chronic asymptomatic Plasmodium falciparum infections in the human population. This study aimed to assess the extent of diversity in the P. falciparum reservoir in Bongo District (BD), Ghana, at the end of the dry season, the lowest point in malaria transmission over the course of the year. Analysis of the variation in 12 microsatellite loci was completed for 200 P. falciparum isolates collected from a cross-sectional survey of residents of all ages from two catchment areas in BD...
July 3, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722278/non-physician-health-care-workers-and-voluntary-blood-donation-an-ambiguous-relationship
#16
N Sousos, S Sfyridou, D Adamidou, T-A Vyzantiadis, M Karadosidou, A Filippou, T Karafoulidou, M Chouridi, S Theodoridou
OBJECTIVES: This study aims to assess the knowledge, attitude and practice (KAP) of voluntary blood donation (BD) among the non-physician health-care workers of our institution, to investigate the relationship between these parameters and to determine the predictors of BD practice. BACKGROUND: KAP surveys provide a popular context-specific evidence base for the development of blood transfusion services' strategies and interventions to promote voluntary, non-remunerated BD...
July 19, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28722212/active-human-papillomavirus-involvement-in-barrett-s-dysplasia-and-oesophageal-adenocarcinoma-is-characterized-by-wild-type-p53-and-aberrations-of-the-retinoblastoma-protein-pathway
#17
Shanmugarajah Rajendra, Tao Yang, Wei Xuan, Prateek Sharma, Darren Pavey, Cheong Soon Lee, Son Le, Josephine Collins, Bin Wang
We have previously demonstrated that transcriptionally active high-risk HPV (hr-HPV) is strongly incriminated in Barrett's dysplasia (BD) and oesophageal adenocarcinoma (OAC) using mainly fresh frozen tissue. This study aimed to identify biomarkers of active HPV infection in Barrett's metaplasia, (BM)/BD/OAC by immunohistochemical staining (IHC) of formalin-fixed paraffin embedded (FFPE) tissue for aberrations of p53 and the retinoblastoma (pRb) pathway which are targets for the viral oncoproteins, E6/E7 respectively...
July 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28721394/interhemispheric-disconnectivity-in-the-sensorimotor-network-in-bipolar-disorder-revealed-by-functional-connectivity-and-diffusion-tensor-imaging-analysis
#18
Takuya Ishida, Tomohiro Donishi, Jun Iwatani, Shinichi Yamada, Shun Takahashi, Satoshi Ukai, Kazuhiro Shinosaki, Masaki Terada, Yoshiki Kaneoke
BACKGROUND: Little is known regarding interhemispheric functional connectivity (FC) abnormalities via the corpus callosum in subjects with bipolar disorder (BD), which might be a key pathophysiological basis of emotional processing alterations in BD. METHODS: We performed tract-based spatial statistics (TBSS) using diffusion tensor imaging (DTI) in 24 healthy control (HC) and 22 BD subjects. Next, we analyzed the neural networks with independent component analysis (ICA) in 32HC and 25 BD subjects using resting-state functional magnetic resonance imaging...
June 2017: Heliyon
https://www.readbyqxmd.com/read/28720852/quantum-critical-scaling-under-periodic-driving
#19
Salvatore Lorenzo, Jamir Marino, Francesco Plastina, G Massimo Palma, Tony J G Apollaro
Universality is key to the theory of phase transitions, stating that the equilibrium properties of observables near a phase transition can be classified according to few critical exponents. These exponents rule an universal scaling behaviour that witnesses the irrelevance of the model's microscopic details at criticality. Here we discuss the persistence of such a scaling in a one-dimensional quantum Ising model under sinusoidal modulation in time of its transverse magnetic field. We show that scaling of various quantities (concurrence, entanglement entropy, magnetic and fidelity susceptibility) endures up to a stroboscopic time τ bd , proportional to the size of the system...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720385/differences-of-lipid-membrane-modulation-and-oxidative-stress-by-digoxin-and-21-benzylidene-digoxin
#20
Lilian Nd Silva, Silmara Lg Alves, Jessica Venugopal, Vanessa F Cortes, Herica L Santos, José Afp Villar, Leandro A Barbosa
Cardiotonic steroids (CTS) are compounds which bind to the Na,K-ATPase, leading to its inhibition and in some cases initiating signaling cascades. Long utilized as a treatment for congestive heart disease, CTS have more recently been observed to inhibit proliferation and cause apoptosis in several cancer cell lines. A synthetic derivative of the CTS digoxin, called 21-benzylidene digoxin (21-BD), activates the Na,K-ATPase rather than cause its inhibition, as its parent compound does. Here, the mechanism behind the unique effects of 21-BD are further explored...
July 15, 2017: Experimental Cell Research
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