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Nagendra Madan Singh, T N Sathyaprabha, Kashyap Malthish, Jagadisha Thirthalli, Chittaranjan Andrade
BACKGROUND: Studies have examined the effects of electroconvulsive therapy (ECT) on human cardiac electrophysiology. However, no study has so far examined whether these effects vary with the magnitude of the electrical dose used to elicit the seizure. Because the benefits and adverse effects of the ECT seizure are dose-dependent, we examined the effects of different electrical doses of electroconvulsive shocks (ECS) on cardiac electrophysiology in an animal model with a view to determine whether cardiac electrophysiology could be a useful proxy to evaluate the quality of the ECT seizure...
March 2, 2018: Asian Journal of Psychiatry
Janitzia Vazquez-Mellado, Ingris Peláez-Ballestas, Rubén Burgos-Vargas, Everardo Alvarez-Hernández, Sergio García-Méndez, Virginia Pascual-Ramos, Marina Rull-Gabayet
OMERACT proposed a set of mandatory and discretionary domains to evaluate the effect of treatment in patients with gout. To determine the percentage of improvement and the effect size 6 and 12 months after starting a proper treatment in patients with gout from our cohort (GRESGO) based on the OMERACT proposal for chronic gout. GRESGO is a cohort of consecutive, new patients with gout attending either of two dedicated clinics. This report includes 141 patients evaluated at baseline and 6 months plus 101 of them completing a 12-month follow-up in 2012...
March 15, 2018: Clinical Rheumatology
Sol Sotillos, Mario Aguilar-Aragon, James Castelli-Gair Hombría
RhoGAP proteins control the precise regulation of the ubiquitous small RhoGTPases. The Drosophila Crossveinless-c (Cv-c) RhoGAP is homologous to the human tumour suppressor proteins Deleted in Liver Cancer 1-3 (DLC1-3) sharing an identical arrangement of SAM, GAP and START protein domains. Here we analyse in Drosophila the requirement of each Cv-c domain to its function and cellular localization. We show that the basolateral membrane association of Cv-c is key for its epithelial function and find that the GAP domain targeted to the membrane can perform its RhoGAP activity independently of the rest of the protein, implying the SAM and START domains perform regulatory roles...
March 15, 2018: Scientific Reports
Frank P Deane, Craig Gonsalvez, Caroline Joyce, Eileen Britt
OBJECTIVE: This research aimed to describe the developmental trajectories of clinical psychology trainees across competency domains over multiple placements. METHOD: Competency reviews of 252 trainees were completed at mid-placement and end-placement for up to four consecutive placements by 143 field supervisors. Competency was measured across multiple domains using the Clinical Psychology Practicum Competencies Rating Scale. RESULTS: There was an overall ascending stepped pattern occurring across all competency domains from early to late placements...
March 14, 2018: Journal of Clinical Psychology
Valentina Cardi, Núria Mallorqui-Bague, Gaia Albano, Alessio Maria Monteleone, Fernando Fernandez-Aranda, Janet Treasure
Anorexia nervosa (AN) is a serious psychiatric disorder characterized by severe restriction of energy intake and dangerously low body weight. Other domains of functioning are affected, including social functioning. Although difficulties within this domain have started to be acknowledged by the literature, some important gaps remain to be filled. Do social difficulties predate the onset of the illness? What difficulties in particular are relevant for the development and maintenance of the illness? The aim of this study is to combine the use of quantitative and qualitative methods to answer these questions...
2018: Frontiers in Psychiatry
Yousheng Yan, Zhaoyan Meng, Shengju Hao, Fang Wang, Xiaohua Jin, Daguang Sun, Huafang Gao, Xu Ma
BACKGROUND: Dystrophic epidermolysis bullosa (DEB) is an inherited skin disorder with variable severity and heterogeneous genetic involvement. Recessive DEB (RDEB) is a rare heritable blistering skin condition caused by loss-of-function mutations in the COL7A1 gene. AIM: This study aimed to determine the genetic basis of three Chinese RDEB patients from different families and identify correlations between phenotype and genotype. METHODS: All three patients were diagnosed with RDEB based on typical phenotype...
January 2018: Annals of Clinical and Laboratory Science
Pattana Jaroenlak, Dominic Wiredu Boakye, Rapeepun Vanichviriyakit, Bryony A P Williams, Kallaya Sritunyalucksana, Ornchuma Itsathitphaisarn
BACKGROUND: The microsporidian Enterocytozoon hepatopenaei (EHP) is a spore-forming, intracellular parasite that causes an economically debilitating disease (hepatopancreatic microsporidiosis or HPM) in cultured shrimp. HPM is characterized by growth retardation and wide size variation that can result in economic loss for shrimp farmers. Currently, the infection mechanism of EHP in shrimp is poorly understood, especially at the level of host-parasite interaction. In other microsporidia, spore wall proteins have been reported to be involved in host cell recognition...
March 12, 2018: Parasites & Vectors
Anastasia Amato, Xavier Lucas, Alessio Bortoluzzi, David Wright, Alessio Ciulli
Plant homeodomain (PHD) zinc fingers are histone reader domains that often associate with human diseases. Despite this, they constitute a poorly targeted class of readers, suggesting low ligandability. Here, we describe a successful fragment-based campaign targeting PHD fingers from the proteins BAZ2A and BAZ2B as model systems. We validated a pool of in silico fragments both biophysically and structurally and solved the first crystal structures of PHD zinc fingers in complex with fragments bound to an anchoring pocket at the histone binding site...
March 12, 2018: ACS Chemical Biology
Marcin D Tomala, Katarzyna Magiera-Mularz, Katarzyna Kubica, Sylwia Krzanik, Bartosz Zieba, Bogdan Musielak, Marcin Pustula, Grzegorz M Popowicz, Michael Sattler, Grzegorz Dubin, Lukasz Skalniak, Tad A Holak
USP2a is a deubiquitinating protease that rescues its target proteins from destruction by the proteasome by reversing the process of protein ubiquitination. USP2a shows oncogenic properties in vivo and has been found to be a specific activator of cyclin D1. Many types of cancers are addicted to cyclin D1 expression. Targeting USP2a is a promising strategy for cancer therapy but little progress has been made in the field of inhibition of USP2a. Using NMR-based fragment screening and biophysical binding assays, we have discovered small molecules that bind to USP2a...
March 5, 2018: European Journal of Medicinal Chemistry
Jonathan P Wiens, Gary R Goldstein, Mark Andrawis, Mijin Choi, Jennifer W Priebe
STATEMENT OF PROBLEM: Multiple definitions of centric relation (CR) have evolved over time that may have created confusion or impeded understanding. A recent attempt to achieve a singular definition by surveying the members of the Academy of Prosthodontics (AP) did not achieve majority consensus. PURPOSE: The purpose of this study was to identify those aspects or attributes within the existing definitions of CR in which there was agreement or disagreement among the members of the AP...
March 8, 2018: Journal of Prosthetic Dentistry
Anne M A van den Brink, Debby L Gerritsen, Miranda M H de Valk, Astrid T Mulder, Richard C Oude Voshaar, Raymond T C M Koopmans
OBJECTIVE: Aging societies will bring an increase in the number of long-term care residents with mental-physical multimorbidity. To optimize care for these residents, it is important to study their care needs, since unmet needs lower quality of life. To date, knowledge about care needs of residents with mental-physical multimorbidity is limited. The aim of this study was to explore (un)met care needs of residents with mental-physical multimorbidity and determinants of unmet needs. METHODS: Cross-sectional cohort study among 141 residents with mental-physical multimorbidity without dementia living in 17 geronto-psychiatric nursing home units across the Netherlands...
February 26, 2018: International Journal of Nursing Studies
Sandra Huber, Tulin Karagenc, Dominic Ritler, Sven Rottenberg, Kerry Woods
Theileria annulata is an apicomplexan parasite that modifies the phenotype of its host cell completely, inducing uncontrolled proliferation, resistance to apoptosis and increased invasiveness. The infected cell thus resembles a cancer cell, and changes to various host cell signaling pathways accompany transformation. Most of the molecular mechanisms leading to Theileria-induced immortalization of leukocytes remain unknown. The parasite dissolves the surrounding host cell membrane soon after invasion and starts interacting with host proteins, ensuring its propagation by stably associating with the host cell microtubule network...
March 8, 2018: Cellular Microbiology
K Van den Bussche, J Kottner, H Beele, D De Meyer, A M Dunk, S Ersse, T Lange, M Petrovic, L Schoonhoven, S Smet, N Van Damme, S Verhaeghe, A Van Hecke, D Beeckman
AIM: To report the development of a core set of outcome domains for clinical research involving adults with incontinence-associated dermatitis or at risk, independently from any geographical location or skin colour. BACKGROUND: The management of incontinence-associated dermatitis is important in caring for incontinent patients. The lack of comparability of clinical trial outcomes is a major challenge in the field of evidence-based incontinence-associated dermatitis prevention and treatment...
March 9, 2018: Journal of Advanced Nursing
Valentina Ferpozzi, Luca Fornia, Marcella Montagna, Chiara Siodambro, Antonella Castellano, Paola Borroni, Marco Riva, Marco Rossi, Federico Pessina, Lorenzo Bello, Gabriella Cerri
The exact nature of the role of Broca's area in control of speech and whether it is exerted at the cognitive or at the motor level is still debated. Intraoperative evidence of a lack of motor responses to direct electrical stimulation (DES) of Broca's area and the observation that its stimulation induces a "speech arrest" without an apparent effect on the ongoing activity of phono-articulatory muscles, raises the argument. Essentially, attribution of direct involvement of Broca's area in motor control of speech, requires evidence of a functional connection of this area with the phono-articulatory muscles' motoneurons...
2018: Frontiers in Human Neuroscience
Rafal P Piprek, Milena Damulewicz, Malgorzata Kloc, Jacek Z Kubiak
Development of the gonads is a complex process, which starts with a period of undifferentiated, bipotential gonads. During this period the expression of sex-determining genes is initiated. Sex determination is a process triggering differentiation of the gonads into the testis or ovary. Sex determination period is followed by sexual differentiation, i.e. appearance of the first testis- and ovary-specific features. In Xenopus laevis W-linked DM-domain gene (DM-W) had been described as a master determinant of the gonadal female sex...
March 2, 2018: Differentiation; Research in Biological Diversity
Emiel Cracco, Lara Bardi, Charlotte Desmet, Oliver Genschow, Davide Rigoni, Lize De Coster, Ina Radkova, Eliane Deschrijver, Marcel Brass
Automatic imitation is the finding that movement execution is facilitated by compatible and impeded by incompatible observed movements. In the past 15 years, automatic imitation has been studied to understand the relation between perception and action in social interaction. Although research on this topic started in cognitive science, interest quickly spread to related disciplines such as social psychology, clinical psychology, and neuroscience. However, important theoretical questions have remained unanswered...
March 8, 2018: Psychological Bulletin
Ya'nan Jin, Shanshan Zhai, Wenjia Wang, Xihan Ding, Zhifu Guo, Liping Bai, Shu Wang
Adverse environmental conditions limit various aspects of plant growth, productivity, and ecological distribution. To get more insights into the signaling pathways under low temperature, we identified 10 C-repeat binding factors ( CBFs ), 9 inducer of CBF expression ( ICEs ) and 10 cold-responsive ( CORs ) genes from Aegilops - Triticum composite group under cold stress. Conserved amino acids analysis revealed that all CBF, ICE, COR contained specific and typical functional domains. Phylogenetic analysis of CBF proteins from Triticeae showed that these CBF homologs were divided into 11 groups...
March 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
Thibo Billiet, Iris Elens, Charlotte Sleurs, Anne Uyttebroeck, Rudi D'Hooge, Jurgen Lemiere, Sabine Deprez
Background: This study aimed to assess functional and structural brain connectivity in adult childhood leukemia survivors and the link with cognitive functioning and previously identified risk factors such as intrathecal methotrexate dose and age at start of therapy. Methods: Thirty-one nonirradiated adult childhood leukemia survivors and 35 controls underwent cognitive testing and multimodal magnetic resonance imaging (resting state functional MRI, T1-weighted, diffusion-weighted, and myelin water imaging [MWI])...
March 5, 2018: Journal of the National Cancer Institute
Xiaoxian Wu, Diane L Haakonsen, Allen G Sanderlin, Yue J Liu, Liqiang Shen, Ningning Zhuang, Michael T Laub, Yu Zhang
Canonical bacterial transcription activators bind to non-transcribed promoter elements to increase transcription of their target genes. Here we report crystal structures of binary complexes comprising domains of Caulobacter crescentus GcrA, a noncanonical bacterial transcription factor, that support a novel mechanism for transcription activation through the preferential binding of methylated cis-regulatory elements and the promotion of open complex formation through an interaction with region 2 of the principal σ factor, σ70...
March 5, 2018: Nucleic Acids Research
Paul R Scully, Gorka Bastarrika, James C Moon, Thomas A Treibel
PURPOSE OF REVIEW: This review article discusses the evolution of extracellular volume (ECV) quantification using both cardiovascular magnetic resonance (CMR) and computed tomography (CT). RECENT FINDINGS: Visualizing diffuse myocardial fibrosis is challenging and until recently, was restricted to the domain of the pathologist. CMR and CT both use extravascular, extracellular contrast agents, permitting ECV measurement. The evidence base around ECV quantification by CMR is growing rapidly and just starting in CT...
March 6, 2018: Current Cardiology Reports
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