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https://www.readbyqxmd.com/read/28641243/ecurves-a-temporal-shape-encoding
#1
Elena Bernardis, Yong Zhang, Ender Konukoglu, Yangming Ou, Harold Javitz, Leon Axel, Dimitris N Metaxas, Benoit Desjardins, Kilian M Pohl
OBJECTIVE: This paper presents a framework for temporal shape analysis to capture the shape and changes of anatomical structures from 3D+t(ime) medical scans. METHOD: We first encode the shape of a structure at each time point with the spectral signature, i.e., the eigenvalues and eigenfunctions of the Laplace operator. We then expand it to capture morphing shapes by tracking the eigenmodes across time according to the similarity of their eigenfunctions. The similarity metric is motivated by the fact that small shape deformations lead to minor changes in the eigenfunctions...
June 16, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28641216/psychoeducational-groups-for-adults-with-adhd-and-their-significant-others-pegasus-a-pragmatic-multicenter-and-randomized-controlled-trial
#2
T Hirvikoski, T Lindström, J Carlsson, E Waaler, J Jokinen, S Bölte
OBJECTIVE: To examine the feasibility, efficacy, and effectiveness of PEGASUS, a group-based structured psychoeducation for adults with ADHD and their significant others. METHOD: A pragmatic parallel group add-on design multicenter randomized controlled trial was conducted, comparing an 8-session treatment with PEGASUS (allocated n=97; 48 with ADHD and 49 with significant others) to treatment as usual (TAU, allocated n=82; 39 with ADHD and 43 significant others)...
May 9, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28641130/sexual-orientation-minority-stress-social-norms-and-substance-use-among-racially-diverse-adolescents
#3
Ethan H Mereish, Jeremy T Goldbach, Claire Burgess, Angelo M DiBello
BACKGROUND: Sexual minority adolescents are more likely than their heterosexual peers to use substances. This study tested factors that contribute to sexual orientation disparities in substance use among racially and ethnically diverse adolescents. Specifically, we examined how both minority stress (i.e., homophobic bullying) and social norms (i.e., descriptive and injunctive norms) may account for sexual orientation disparities in recent and lifetime use of four substances: tobacco, alcohol, marijuana, and prescription drugs...
June 8, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28636911/direct-conversion-of-an-enzyme-from-native-like-to-amyloid-like-aggregates-within-inclusion-bodies
#4
Francesco Elia, Francesca Cantini, Fabrizio Chiti, Christopher Martin Dobson, Francesco Bemporad
The acylphosphatase from Sulfolobus solfataricus (Sso AcP) is a globular protein able to aggregate in vitro from a native-like conformational ensemble without the need for a transition across the major unfolding energy barrier. This process leads to the formation of assemblies in which the protein retains its native-like structure, which subsequently convert into amyloid-like aggregates. Here, we investigate the mechanism by which Sso AcP aggregates in vivo to form bacterial inclusion bodies after expression in E...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636887/temporal-dynamics-of-the-hpa-axis-linked-to-exploratory-behavior-in-a-wild-european-songbird-parus-major
#5
Alexander T Baugh, Sarah C Davidson, Michaela Hau, Kees van Oers
Variation in the reactivity of the endocrine stress axis is thought to underlie aspects of persistent individual differences in behavior (i.e. animal personality). Previous studies, however, have focused largely on estimating baseline or peak levels of glucocorticoids (CORT), often in captive animals. In contrast, the temporal dynamics of the HPA axis-how quickly it turns on and off, for example-may better indicate how an individual copes with stressors. Moreover, these HPA components might be correlated, thereby representing endocrine suites...
June 18, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28636754/linagliptin-and-its-effects-on-hyperglycaemia-and-albuminuria-in-patients-with-type-2-diabetes-and-renal-dysfunction-the-randomized-marlina-t2d%C3%A2-trial
#6
P-H Groop, M E Cooper, V Perkovic, B Hocher, K Kanasaki, M Haneda, G Schernthaner, K Sharma, R C Stanton, R Toto, J Cescutti, M Gordat, T Meinicke, A Koitka-Weber, S Thiemann, M von Eynatten
AIMS: The MARLINA-T2D™ study (ClinicalTrials.gov, NCT01792518) was designed to investigate the glycaemic and renal effects of linagliptin added to standard-of-care in individuals with type 2 diabetes and albuminuria. METHODS: 360 individuals with type 2 diabetes, HbA1c 6.5 - 10.0% (48 - 86 mmol/mol), estimated glomerular filtration rate (eGFR) ≥30 mL/min/1.73 m(2) , and urinary albumin-to-creatinine ratio (UACR) 30-3000 mg/g despite single agent renin-angiotensin-system blockade were randomized to double-blind linagliptin (n = 182) or placebo (n = 178) for 24 weeks...
June 21, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28636344/ruthenium-complexes-are-ph-activated-metallo-prodrugs-phamps-with-light-triggered-selective-toxicity-toward-cancer-cells
#7
Fengrui Qu, Seungjo Park, Kristina Martinez, Jessica L Gray, Fathima Shazna Thowfeik, John A Lundeen, Ashley E Kuhn, David J Charboneau, Deidra L Gerlach, Molly M Lockart, James A Law, Katherine L Jernigan, Nicole Chambers, Matthias Zeller, Nicholas A Piro, W Scott Kassel, Russell H Schmehl, Jared J Paul, Edward J Merino, Yonghyun Kim, Elizabeth T Papish
Metallo prodrugs that take advantage of the inherent acidity surrounding cancer cells have yet to be developed. We report a new class of pH-activated metallo prodrugs (pHAMPs) that are activated by light- and pH-triggered ligand dissociation. These ruthenium complexes take advantage of a key characteristic of cancer cells and hypoxic solid tumors (acidity) that can be exploited to lessen the side effects of chemotherapy. Five ruthenium complexes of the type [(N,N)2Ru(PL)](2+) were synthesized, fully characterized, and tested for cytotoxicity in cell culture (1A: N,N = 2,2'-bipyridine (bipy) and PL, the photolabile ligand, = 6,6'-dihydroxybipyridine (6,6'-dhbp); 2A: N,N = 1,10-phenanthroline (phen) and PL = 6,6'-dhbp; 3A: N,N = 2,3-dihydro-[1,4]dioxino[2,3-f][1,10]phenanthroline (dop) and PL = 6,6'-dhbp; 4A: N,N = bipy and PL = 4,4'-dimethyl-6,6'-dihydroxybipyridine (dmdhbp); 5A: N,N = 1,10-phenanthroline (phen) and PL = 4,4'-dihydroxybipyridine (4,4'-dhbp)...
June 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28636179/discontinuation-and-non-publication-of-neurodegenerative-disease-trials-a-cross-sectional-analysis
#8
J D Stefaniak, T C H Lam, N E Sim, R Al-Shahi Salman, D P Breen
BACKGROUND AND PURPOSE: Trial discontinuation and non-publication represent major sources of research waste in clinical medicine. No previous studies have investigated non-dissemination bias in clinical trials of neurodegenerative diseases. METHODS: ClinicalTrials.gov was searched for all randomized, interventional, phase II-IV trials that were registered between 1 January 2000 and 31 December 2009 and included adults with Alzheimer's disease, motor neurone disease, multiple sclerosis or Parkinson's disease...
June 21, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28635960/somatic-mutations-in-clonally-expanded-cytotoxic-t-lymphocytes-in-patients-with-newly-diagnosed-rheumatoid-arthritis
#9
P Savola, T Kelkka, H L Rajala, A Kuuliala, K Kuuliala, S Eldfors, P Ellonen, S Lagström, M Lepistö, T Hannunen, E I Andersson, R K Khajuria, T Jaatinen, R Koivuniemi, H Repo, J Saarela, K Porkka, M Leirisalo-Repo, S Mustjoki
Somatic mutations contribute to tumorigenesis. Although these mutations occur in all proliferating cells, their accumulation under non-malignant conditions, such as in autoimmune disorders, has not been investigated. Here, we show that patients with newly diagnosed rheumatoid arthritis have expanded CD8+ T-cell clones; in 20% (5/25) of patients CD8+ T cells, but not CD4+ T cells, harbour somatic mutations. In healthy controls (n=20), only one mutation is identified in the CD8+ T-cell pool. Mutations exist exclusively in the expanded CD8+ effector-memory subset, persist during follow-up, and are predicted to change protein functions...
June 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28635589/regulation-of-escherichia-coli-pathogenesis-by-alternative-sigma-factor-n
#10
James T Riordan, Avishek Mitra
σ(N) (also σ(54)) is an alternative sigma factor subunit of the RNA polymerase complex that regulates the expression of genes from many different ontological groups. It is broadly conserved in the Eubacteria with major roles in nitrogen metabolism, membrane biogenesis, and motility. σ(N) is encoded as the first gene of a five-gene operon including rpoN (σ(N)), ptsN, hpf, rapZ, and npr that has been genetically retained among species of Escherichia, Shigella, and Salmonella. In an increasing number of bacteria, σ(N) has been implicated in the control of genes essential to pathogenic behavior, including those involved in adherence, secretion, immune subversion, biofilm formation, toxin production, and resistance to both antimicrobials and biological stressors...
June 2017: EcoSal Plus
https://www.readbyqxmd.com/read/28634647/erratum-to-training-guidelines-for-endovascular-stroke-intervention-an-international-multi-society-consensus-document
#11
S D Lavine, K Cockroft, B Hoh, N Bambakidis, A A Khalessi, H Woo, H Riina, A Siddiqui, J A Hirsch, W Chong, H Rice, J Wenderoth, P Mitchell, A Coulthard, T J Signh, C Phatouros, M Khangure, P Klurfan, K Ter Brugge, D Iancu, T Gunnarsson, O Jansen, M Muto, I Szikora, L Pierot, P Brouwer, J Gralla, S Renowden, T Andersson, J Fiehler, F Turjman, P White, A C Januel, L Spelle, Z Kulcsar, R Chapot, A Biondi, S Dima, C Taschner, M Szajner, A Krajina, N Sakai, Y Matsumaru, S Yoshimura, M Ezura, T Fujinaka, K Iihara, A Ishii, T Higashi, M Hirohata, A Hyodo, Y Ito, M Kawanishi, H Kiyosue, E Kobayashi, S Kobayashi, N Kuwayama, Y Matsumoto, S Miyachi, Y Murayama, I Nagata, I Nakahara, S Nemoto, Y Niimi, H Oishi, J Satomi, T Satow, K Sugiu, M Tanaka, T Terada, H Yamagami, O Diaz, P Lylyk, M V Jayaraman, A Patsalides, C D Gandhi, S K Lee, T Abruzzo, B Albani, S A Ansari, A S Arthur, B W Baxter, K R Bulsara, M Chen, J E Delgado Almandoz, J F Fraser, D V Heck, S W Hetts, M S Hussain, R P Klucznik, T M Leslie-Mawzi, W J Mack, R A McTaggart, P M Meyers, J Mocco, C J Prestigiacomo, G L Pride, P A Rasmussen, R M Starke, P J Sunenshine, R W Tarr, D F Frei, M Ribo, R G Nogueira, O O Zaidat, T Jovin, I Linfante, D Yavagal, D Liebeskind, R Novakovic, S Pongpech, G Rodesch, M Soderman, A Taylor, T Krings, D Orbach, L Picard, D C Suh, H Q Zhang
No abstract text is available yet for this article.
June 20, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28634471/a-chitin-binding-protein-purified-from-moringa-oleifera-seeds-presents-anticandidal-activity-by-increasing-cell-membrane-permeability-and-reactive-oxygen-species-production
#12
João X S Neto, Mirella L Pereira, Jose T A Oliveira, Lady C B Rocha-Bezerra, Tiago D P Lopes, Helen P S Costa, Daniele O B Sousa, Bruno A M Rocha, Thalles B Grangeiro, José E C Freire, Ana Cristina O Monteiro-Moreira, Marina D P Lobo, Raimunda S N Brilhante, Ilka M Vasconcelos
Candida species are opportunistic pathogens that infect immunocompromised and/or immunosuppressed patients, particularly in hospital facilities, that besides representing a significant threat to health increase the risk of mortality. Apart from echinocandins and triazoles, which are well tolerated, most of the antifungal drugs used for candidiasis treatment can cause side effects and lead to the development of resistant strains. A promising alternative to the conventional treatments is the use of plant proteins...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28634467/brain-network-activation-technology-does-not-assist-with-concussion-diagnosis-and-return-to-play-in-football-athletes
#13
Steven P Broglio, Richelle Williams, Andrew Lapointe, Ashley Rettmann, Brandon Moore, Sean K Meehan, James T Eckner
BACKGROUND: Concussion diagnosis and management remains a largely subjective process. This investigation sought to evaluate the utility of a novel neuroelectric measure for concussion diagnosis and return to play decision-making. HYPOTHESIS: Brain Network Activation (BNA) scores obtained within 72-h of injury will be lower than the athlete's preseason evaluation and that of a matched control athlete; and the BNA will demonstrate ongoing declines at the return to play and post-season time points, while standard measures will have returned to pre-injury and control athlete levels...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28634219/early-use-of-n-acetylcysteine-nac-with-nitrate-therapy-in-patients-undergoing-primary-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction-reduces-myocardial-infarct-size-the-naciam-trial
#14
Sivabaskari Pasupathy, Rosanna Tavella, Suchi Grover, Betty Raman, Nathan E K Procter, Yang T Du, Gnanadevan Mahadavan, Irene Stafford, Tamila Heresztyn, Andrew Holmes, Christopher Zeitz, Margaret Arstall, Joseph B Selvanayagam, John D Horowitz, John F Beltrame
Background -Contemporary ST-elevation myocardial infarction (STEMI) management involves primary percutaneous coronary intervention (PCI) with on-going studies focusing on infarct size reduction utilizing ancillary therapies. N-acetylcysteine (NAC) is an antioxidant with reactive oxygen species scavenging properties that also potentiates the effects of nitroglycerin (NTG) and thus represents a potentially beneficial ancillary therapy in primary PCI. The NACIAM (NACIn Acute Myocardial infarction) trial examined the effects of NAC on infarct size in STEMI patients undergoing PCI...
June 20, 2017: Circulation
https://www.readbyqxmd.com/read/28634217/incident-cardiovascular-disease-among-adults-with-blood-pressure-140-90-mm-hg
#15
Gabriel S Tajeu, John N Booth, Lisandro D Colantonio, Rebecca F Gottesman, George Howard, Daniel T Lackland, Emily O'Brien, Suzanne Oparil, Joseph E Ravenell, Monika M Safford, Samantha R Seals, Daichi Shimbo, Steven Shea, Tanya M Spruill, Rikki M Tanner, Paul Muntner
Background -Data from before the 2000s indicate the majority of incident cardiovascular disease (CVD) events occur among US adults with systolic and diastolic blood pressure (SBP/DBP)≥140/90 mmHg. Over the past several decades, BP declined and hypertension control has improved. Methods -We estimated the percentage of incident CVD events that occur at SBP/DBP<140/90 mmHg in a pooled analysis of three contemporary US cohorts: the Reasons for Geographic and Racial Differences in Stroke (REGARDS) study, the Multi-Ethnic Study of Atherosclerosis (MESA), and the Jackson Heart Study (JHS) (n=31,856; REGARDS=21,208; MESA=6,779; JHS=3,869)...
June 20, 2017: Circulation
https://www.readbyqxmd.com/read/28634212/prolonged-darkness-reduces-liver-fibrosis-in-a-mouse-model-of-primary-sclerosing-cholangitis-by-mir-200b-down-regulation
#16
Nan Wu, Fanyin Meng, Tianhao Zhou, Yuyan Han, Lindsey Kennedy, Julie Venter, Heather Francis, Sharon DeMorrow, Paolo Onori, Pietro Invernizzi, Francesca Bernuzzi, Romina Mancinelli, Eugenio Gaudio, Antonio Franchitto, Shannon Glaser, Gianfranco Alpini
Melatonin therapy or prolonged exposure to complete darkness reduces biliary hyperplasia and liver fibrosis in bile-duct-ligated (BDL) rats; however, no information exists in primary sclerosing cholangitis (PSC). Thus, we aimed to determine the therapeutic effects of prolonged dark therapy or melatonin administration on hepatic fibrosis in the Mdr2(-/-) mouse model of PSC. Melatonin levels, biliary mass, liver fibrosis, angiogenesis and miR-200b expression were evaluated in wild-type and Mdr2(-/-) mice exposed to darkness or melatonin treatment or in male PSC patient samples and healthy controls...
June 20, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28634032/ciclosporin-use-in-epidermal-necrolysis-is-associated-with-an-important-mortality-reduction-evidence-from-three-different-approaches
#17
C González-Herrada, S Rodríguez-Martín, L Cachafeiro, V Lerma, O González, J A Lorente, A Rodríguez-Miguel, J González-Ramos, G Roustan, E Ramírez, T Bellón, F J de Abajo
Several immunomodulatory agents are used in the treatment of Epidermal Necrolysis (EN), but evidence of their efficacy is limited. The Autonomous Community of Madrid has two reference Burn Units (BUs) to which all patients with EN are referred to. One BU has mostly used ciclosporin (CsA), while the other has used non-CsA therapies (mainly high-dose intravenous immunoglobulin). The allocation of patients to one or another BU was mainly based on proximity resembling a random assignment. Thus, we took advantage of this "natural experiment" to estimate the mortality risk ratio (MRR) of CsA (N=26) as compared to non-CsA (n=16) using hospital as an instrumental variable (IV) over the period 2001-2015...
June 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28633684/double-burden-of-underweight-and-overweight-among-bangladeshi-adults-differs-between-men-and-women-evidence-from-a-nationally-representative-survey
#18
Mohammad E Hoque, Md T Hasan, Muntasirur Rahman, Kurt Z Long, Abdullah Al Mamun
OBJECTIVE: To estimate the prevalence of underweight and overweight among Bangladeshi adults and to determine if the double burden of underweight and overweight differs by gender and other socio-economic characteristics of individuals. DESIGN: We used data from the Bangladesh Demographic and Health Survey 2011. Multinominal logistic regression was used to examine associations between the different nutritional statuses of individuals and related determinants. Interaction effect was checked between gender and various socio-economic factors...
June 21, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28633501/epidemiology-of-pediatric-multidrug-resistant-tuberculosis-in-the-united-states-1993-2014
#19
Sarah E Smith, Robert Pratt, Lisa Trieu, Pennan M Barry, Dzung T Thai, Shama Desai Ahuja, Sarita Shah
Background: Multidrug-resistant tuberculosis (MDR TB) is an important global public health threat, but accurate estimates of MDR TB burden among children are lacking. Methods: We analyzed demographic, clinical and laboratory data for newly-diagnosed pediatric (<15 years) TB cases reported to the US National TB Surveillance System (NTSS) during 1993-2014. MDR TB was defined as culture-confirmed TB disease with resistance to at least isoniazid and rifampicin. To ascertain potential under-estimation of pediatric MDR TB, we surveyed high burden states for clinically-diagnosed cases treated for MDR TB...
June 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28633425/androgen-receptor-mutations-in-patients-with-castration-resistant-prostate-cancer-treated-with-apalutamide
#20
D E Rathkopf, M R Smith, C J Ryan, W R Berry, N D Shore, G Liu, C S Higano, J J Alumkal, R Hauke, R F Tutrone, M Saleh, E Chow Maneval, S Thomas, D S Ricci, M K Yu, C J de Boer, A Trinh, T Kheoh, R Bandekar, H I Scher, E S Antonarakis
Background: : Mutations in the androgen receptor (AR) ligand-binding domain (LBD), such as F877L and T878A, have been associated with resistance to next-generation AR-directed therapies. ARN-509-001 was a phase I/II study that evaluated apalutamide activity in castration-resistant prostate cancer (CRPC). Here we evaluated the type and frequency of 11 relevant AR-LBD mutations in apalutamide-treated CRPC patients. Patients and methods: : Blood samples from men with non-metastatic CRPC (nmCRPC) and metastatic CRPC (mCRPC) pre- or post abiraterone acetate and prednisone (AAP) treatment (≥6 months' exposure) were evaluated at baseline and disease progression in trial ARN-509-001...
June 15, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
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