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https://www.readbyqxmd.com/read/28453681/sphinx-merging-knowledge-based-and-ab-initio-approaches-to-improve-protein-loop-prediction
#1
Claire Marks, Jaroslaw Nowak, Stefan Klostermann, Guy Georges, James Dunbar, Jiye Shi, Sebastian Kelm, Charlotte M Deane
Motivation: Loops are often vital for protein function, however, their irregular structures make them difficult to model accurately. Current loop modelling algorithms can mostly be divided into two categories: knowledge-based, where databases of fragments are searched to find suitable conformations and ab initio, where conformations are generated computationally. Existing knowledge-based methods only use fragments that are the same length as the target, even though loops of slightly different lengths may adopt similar conformations...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28449286/full-dilatation-cesarean-section-a-risk-factor-for-recurrent-second-trimester-loss-and-preterm-birth
#2
Helena A Watson, Jenny Carter, Anna L David, Paul T Seed, Andrew H Shennan
INTRODUCTION: A previous cesarean section at full dilatation (FDCS) is a risk factor for preterm birth. To provide insight on the risk to subsequent pregnancies, this cohort study compares the outcomes of pregnant women with a previous preterm birth associated either with a prior FDCS or a prior term vaginal delivery. MATERIAL AND METHODS: We identified women attending two inner-city preterm surveillance clinics (Guy's and St Thomas Hospital and University College London Hospital, London, UK) who had a spontaneous late miscarriage (14(+0) -23(+6) weeks) or sPTB (<37weeks) following a term pregnancy, and then a further pregnancy for analysis...
April 27, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28447815/development-of-the-healthcare-triggering-questionnaire-in-adult-sexual-abuse-survivors
#3
Julie B Schnur, William F Chaplin, Kiran Khurshid, Jazmin N Mogavero, Rachel E Goldsmith, Young-Sun Lee, Leib Litman, Guy H Montgomery
OBJECTIVE: One in 4 women and 1 in 10 men in the United States are survivors of sexual abuse (SA). For these survivors, healthcare experiences may trigger memories, thoughts, feelings or sensations related to this past abuse. Such triggering can be associated with negative responses to healthcare (e.g., anxiety, avoidance). However, to date, no healthcare triggering assessment tool exists. Therefore, the study goal was to describe the prevalence of healthcare triggering, to develop a brief Healthcare Triggering Questionnaire (HTQ), and to examine its initial validity...
April 27, 2017: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/28447278/invasiveness-is-associated-with-metastasis-and-decreased-survival-in-hemangiopericytoma-of-the-central-nervous-system
#4
Connor J Kinslow, Raj S Rajpara, Cheng-Chia Wu, Samuel S Bruce, Peter D Canoll, Shih-Hsiu Wang, Adam M Sonabend, Sameer A Sheth, Guy M McKhann, Michael B Sisti, Jeffrey N Bruce, Tony J C Wang
Meningeal hemangiopericytoma (m-HPC) is a rare tumor of the central nervous system (CNS), which is distinguished clinically from meningioma by its tendency to recur and metastasize. The histological classification and grading scheme for m-HPC is still evolving and few studies have identified tumor features that are associated with metastasis. All patients at our institution with m-HPC were assessed for patient, tumor, and treatment characteristics associated with survival, recurrence, and metastasis. New findings were validated using the SEER database...
April 26, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28446871/prevalence-of-joint-gait-patterns-defined-by-a-delphi-consensus-study-is-related-to-gross-motor-function-topographical-classification-weakness-and-spasticity-in-children-with-cerebral-palsy
#5
Angela Nieuwenhuys, Eirini Papageorgiou, Simon-Henri Schless, Tinne De Laet, Guy Molenaers, Kaat Desloovere
During a Delphi consensus study, a new joint gait classification system was developed for children with cerebral palsy (CP). This system, whose reliability and content validity have previously been established, identified 49 distinct joint patterns. The present study aims to provide a first insight toward the construct validity and clinical relevance of this classification system. The retrospective sample of convenience consisted of 286 patients with spastic CP (3-18 years old, GMFCS levels I-III, 166 with bilateral CP)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28445684/patient-staffing-and-health-centre-factors-associated-with-annual-testing-for-sexually-transmissible-infections-in-remote-primary-health-centres
#6
Belinda Hengel, Handan Wand, James Ward, Alice Rumbold, Linda Garton, Debbie Taylor-Thomson, Bronwyn Silver, Skye McGregor, Amalie Dyda, Jacqueline Mein, Janet Knox, Lisa Maher, John Kaldor, Rebecca Guy
Background: In high-incidence Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) settings, annual re-testing is an important public health strategy. Using baseline laboratory data (2009-10) from a cluster randomised trial in 67 remote Aboriginal communities, the extent of re-testing was determined, along with the associated patient, staffing and health centre factors. Methods: Annual testing was defined as re-testing in 9-15 months (guideline recommendation) and a broader time period of 5-15 months following an initial negative CT/NG test...
April 27, 2017: Sexual Health
https://www.readbyqxmd.com/read/28445361/adolescent-desire-for-cosmetic-surgery-associations-with-bullying-and-psychological-functioning
#7
Kirsty Lee, Alexa Guy, Jeremy Dale, Dieter Wolke
BACKGROUND: Adolescent bullying may be a key driver of interest in cosmetic surgery. This study examined the extent of such interest and whether any effect was sex-specific, and examined psychological functioning as a potential mechanism through which bullying involvement may lead to a wish for cosmetic surgery. METHODS: A two-stage design was used. In the first stage, 2782 adolescents (aged 11 to 16 years) were screened for bullying involvement using self-reports and peer nominations...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445188/tpmt-comt-and-acyp2-genetic-variants-in-paediatric-cancer-patients-with-cisplatin-induced-ototoxicity
#8
Signe Thiesen, Peng Yin, Andrea L Jorgensen, Jieying E Zhang, Valentina Manzo, Laurence McEvoy, Christopher Barton, Susan Picton, Simon Bailey, Penelope Brock, Harish Vyas, David Walker, Guy Makin, Srinivas Bandi, Barry Pizer, Daniel B Hawcutt, Munir Pirmohamed
OBJECTIVES: Cisplatin ototoxicity affects 42-88% of treated children. Catechol-O-methyltransferase (COMT), thiopurine methyltransferase (TPMT) and AYCP2 genetic variants have been associated with ototoxicity, but the findings have been contradictory. The aims of the study were as follows: (a) to investigate these associations in a carefully phenotyped cohort of UK children and (b) to perform a systematic review and meta-analysis. METHODS: We recruited 149 children from seven UK centres using a retrospective cohort study design...
April 25, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28445185/orbicularis-retaining-ligament-release-in-lower-blepharoplasty-assessing-efficacy-and-complications
#9
Norman J Chan, Maryam Nazemzadeh, Morris E Hartstein, John B Holds, Guy G Massry, Allan E Wulc
PURPOSE: Release of the orbicularis retaining ligament (ORL) has been advocated as a technique to address tear trough deformities. This study sought to compare the effectiveness and morbidity of lower blepharoplasty with and without ORL release. METHODS: Retrospective chart review of 53 lower blepharoplasty patients. Twenty-six patients had ORL release and 27 patients did not. Three independent masked experienced cosmetic surgeons reviewed preoperative and postoperative photographs to assess degree of swelling, ecchymosis, change in steatoblepharon and tear trough deformity, and overall aesthetic result...
April 25, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28444729/benefits-of-rituximab-as-a-second-line-treatment-for-autoimmune-haemolytic-anaemia-in-children-a-prospective-french-cohort-study
#10
Stéphane Ducassou, Guy Leverger, Helder Fernandes, Hervé Chambost, Yves Bertrand, Corinne Armari-Alla, Brigitte Nelken, Fabrice Monpoux, Corinne Guitton, Thierry Leblanc, Alain Fisher, Odile Lejars, Eric Jeziorski, Fanny Fouissac, Patrick Lutz, Marlène Pasquet, Isabelle Pellier, Christophe Piguet, Philippe Vic, Sophie Bayart, Aude Marie-Cardine, Marc Michel, Yves Perel, Nathalie Aladjidi
Childhood autoimmune haemolytic anaemia (AIHA) requires second-line immunosuppressive therapy in 30-50% of cases. It appears that rituximab is indicated in such circumstances. This prospective national study reports the practice, efficacy and tolerance of rituximab in children with isolated AIHA and AIHA in the setting of Evans syndrome (ES). Sixty-one children were given rituximab between 2000 and 2014. The median interval from diagnosis to rituximab was 9·9 [interquartile range (IQR) 1·6-28·5] months. Forty-six patients responded (75%) and the 6-year relapse-free survival (RFS) was 48%...
April 26, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28444506/preoperative-risk-factors-for-prolonged-postoperative-ileus-after-colorectal-resection
#11
Albert M Wolthuis, Gabriele Bislenghi, Maarten Lambrecht, Steffen Fieuws, Anthony de Buck van Overstraeten, Guy Boeckxstaens, André D'Hoore
PURPOSE: Prolonged postoperative ileus (PPOI) after colorectal resection significantly impacts patients' recovery and hospital stay. Because treatment options for PPOI are limited, it is necessary to focus on prevention strategies. The aim of this study is to investigate risk factors associated with PPOI in patients undergoing colorectal surgery. METHODS: Data from all consecutive patients who underwent colorectal resection in our department were retrospectively analyzed from a prospective database over a 9-month period...
April 25, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28444223/gene-organizer-linking-genes-to-the-organs-they-affect
#12
David Gokhman, Guy Kelman, Adir Amartely, Guy Gershon, Shira Tsur, Liran Carmel
One of the biggest challenges in studying how genes work is understanding their effect on the physiology and anatomy of the body. Existing tools try to address this using indirect features, such as expression levels and biochemical pathways. Here, we present Gene ORGANizer (geneorganizer.huji.ac.il), a phenotype-based tool that directly links human genes to the body parts they affect. It is built upon an exhaustive curated database that links >7000 genes to ∼150 anatomical parts using >150 000 gene-organ associations...
April 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28444141/imaging-blood-brain-barrier-dysfunction-as-a-biomarker-for-epileptogenesis
#13
Guy Bar-Klein, Svetlana Lublinsky, Lyn Kamintsky, Iris Noyman, Ronel Veksler, Hotjensa Dalipaj, Vladimir V Senatorov, Evyatar Swissa, Dror Rosenbach, Netta Elazary, Dan Z Milikovsky, Nadav Milk, Michael Kassirer, Yossi Rosman, Yonatan Serlin, Arik Eisenkraft, Yoash Chassidim, Yisrael Parmet, Daniela Kaufer, Alon Friedman
A biomarker that will enable the identification of patients at high-risk for developing post-injury epilepsy is critically required. Microvascular pathology and related blood-brain barrier dysfunction and neuroinflammation were shown to be associated with epileptogenesis after injury. Here we used prospective, longitudinal magnetic resonance imaging to quantitatively follow blood-brain barrier pathology in rats following status epilepticus, late electrocorticography to identify epileptic animals and post-mortem immunohistochemistry to confirm blood-brain barrier dysfunction and neuroinflammation...
April 23, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28443617/the-therapeutic-potential-of-psychedelic-drugs-past-present-and-future
#14
Robin L Carhart-Harris, Guy M Goodwin
Plant-based psychedelics such as psilocybin have an ancient history of medicinal use. After the first English-language report on LSD in 1950, psychedelics enjoyed a short-lived relationship with psychology and psychiatry. Used most notably as aides to psychotherapy for the treatment of mood disorders and alcohol dependence, drugs such as LSD showed initial therapeutic promise before prohibitive legislature in the mid-1960s effectively ended all major psychedelic research programmes. Since the early 1990s, there has been a steady revival of human psychedelic research: last year saw reports on the first modern brain imaging study with LSD and 3 separate clinical trials of psilocybin for depressive symptoms...
April 26, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28443133/analysis-of-purified-pancreatic-islet-beta-and-alpha-cell-transcriptomes-reveals-11%C3%AE-hydroxysteroid-dehydrogenase-hsd11b1-as-a-novel-disallowed-gene
#15
Timothy J Pullen, Mark O Huising, Guy A Rutter
We and others have previously identified a group of genes, dubbed "disallowed," whose expression is markedly lower in pancreatic islets than in other mammalian cell types. Forced mis-expression of several members of this family leads to defective insulin secretion, demonstrating the likely importance of disallowance for normal beta cell function. Up to now, transcriptomic comparisons have been based solely on data from whole islets. This raises the possibilities that (a) there may be important differences in the degree of disallowance of family members between beta and other either neuroendocrine cells; (b) beta (or alpha) cell disallowed genes may have gone undetected...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28443082/inbred-mouse-populations-exhibit-intergenerational-changes-in-intestinal-microbiota-composition-and-function-following-introduction-to-a-facility
#16
Jocelyn M Choo, Paul J Trim, Lex E X Leong, Guy C J Abell, Carly Brune, Nicole Jeffries, Steve Wesselingh, T N Dear, Marten F Snel, Geraint B Rogers
Inbred mice are used to investigate many aspects of human physiology, including susceptibility to disease and response to therapies. Despite increasing evidence that the composition and function of the murine intestinal microbiota can substantially influence a broad range of experimental outcomes, relatively little is known about microbiome dynamics within experimental mouse populations. We investigated changes in the intestinal microbiome between C57BL/6J mice spanning six generations (assessed at generations 1, 2, 3, and 6), following their introduction to a stringently controlled facility...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28443037/analyzing-dyadic-sequence-data-research-questions-and-implied-statistical-models
#17
Peter Fuchs, Fridtjof W Nussbeck, Nathalie Meuwly, Guy Bodenmann
The analysis of observational data is often seen as a key approach to understanding dynamics in romantic relationships but also in dyadic systems in general. Statistical models for the analysis of dyadic observational data are not commonly known or applied. In this contribution, selected approaches to dyadic sequence data will be presented with a focus on models that can be applied when sample sizes are of medium size (N = 100 couples or less). Each of the statistical models is motivated by an underlying potential research question, the most important model results are presented and linked to the research question...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28443033/high-gama-aminobutyric-acid-contents-involved-in-abamectin-resistance-and-predation-an-interesting-phenomenon-in-spider-mites
#18
Zhifeng Xu, Yanchao Liu, Peng Wei, Kaiyang Feng, Jinzhi Niu, Guangmao Shen, Wencai Lu, Wei Xiao, Jinjun Wang, Guy J Smagghe, Qiang Xu, Lin He
Abamectin has been widely used as an insecticide/acaricide for more than 30 years because of its superior bioactivity. Recently, an interesting phenomenon was identified in the carmine spider mite, Tetranychus cinnabarinus, an important pest in agriculture. The gamma aminobutyric acid (GABA) contents in a laboratory abamectin resistant strain of T. cinnabarinus (AbR) were significantly increased. Decreases in activity and mRNA expression of GABA transaminase (GABA-T) were responsible for GABA accumulation in AbR mites...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28442992/genetic-deletion-of-akt3-induces-an-endophenotype-reminiscent-of-psychiatric-manifestations-in-mice
#19
Yan Bergeron, Geneviève Bureau, Marie-Élaine Laurier-Laurin, Eric Asselin, Guy Massicotte, Michel Cyr
The protein kinase B (PKB/Akt), found in three distinctive isoforms (PKBα/Akt1, PKBβ/Akt2, PKBγ/Akt3), is implicated in a variety of cellular processes such as cell development, growth and survival. Although Akt3 is the most expressed isoform in the brain, its role in cerebral functions is still unclear. In the present study, we investigated the behavioral, electrophysiological and biochemical consequences of Akt3 deletion in mice. Motor abilities, spatial navigation, recognition memory and LTP are intact in the Akt3 knockout (KO) mice...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28442157/gilliamella-intestini-sp-nov-gilliamella-bombicola-sp-nov-gilliamella-bombi-sp-nov-and-gilliamella-mensalis-sp-nov-four-novel-gilliamella-species-isolated-from-the-bumblebee-gut
#20
Jessy Praet, Margo Cnockaert, Ivan Meeus, Guy Smagghe, Peter Vandamme
Spectra of five isolates (LMG 28358(T), LMG 29879(T), LMG 29880(T), LMG 28359(T) and R-53705) obtained from gut samples of wild bumblebees of Bombus pascuorum, Bombus lapidarius and Bombus terrestris were grouped into four MALDI-TOF MS clusters. RAPD analysis revealed an identical DNA fingerprint for LMG 28359(T) and R-53705 which also grouped in the same MALDI-TOF MS cluster, while different DNA fingerprints were obtained for the other isolates. Comparative 16S rRNA gene sequence analysis of the four different strains identified Gilliamella apicola NCIMB 14804(T) as nearest neighbour species...
April 12, 2017: Systematic and Applied Microbiology
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