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Alexandra B Collins, Carol Strike, Adrian Guta, Rosalind Baltzer Turje, Patrick McDougall, Surita Parashar, Ryan McNeil
BACKGROUND: Compensation for participating in research has been a fundamental element of the research apparatus despite concerns about its impact on incentivising participation. Researchers and research ethics boards acknowledge that compensation may prompt structurally vulnerable populations, such as people who use drugs (PWUD), to engage in research primarily out of financial need. Thus, institutional restrictions around compensation have been implemented. This study explores the ethical implications of compensation practices aimed at 'protecting' structurally vulnerable people living with HIV (PLHIV) who use drugs within the context of individuals' lived realities...
October 22, 2016: International Journal on Drug Policy
Nicolas Sotto, Clément Cazorla, Carole Villette, Muriel Billamboz, Christophe Len
The first continuous flow pinacol coupling reaction of carbonyl compounds was successfully achieved within only 2 minutes during a single-pass through a cartridge filled with zinc(0). The optimized method allowed the efficient production of gramm-scale value-added compounds with high productivity. The developed methodology is efficient for aromatic or alpha,beta-unsaturated aldehydes but give moderate results for much stable acetophenone derivatives. Moreover, the flow method displayed better results in terms of yield and selectivity than the corresponding batch methodology...
October 25, 2016: Journal of Organic Chemistry
Joseph Chi-Ching Tsui, Carol Po-Ying Lau, Alex Chun Cheung, Kwok-Chuen Wong, Lin Huang, Stephen Kwok-Wing Tsui, Shekhar Madhukar Kumta
Giant cell tumor of bone (GCT) is the most commonly reported non-malignant bone tumor in Hong Kong. This kind of tumor usually affects people aged 20-40 years. Also, it is well known for recurrence locally, especially when the tumor cannot be removed completely. Filamins are actin-binding proteins which contain three family members, filamin A, B and C. They are the products of three different genes, FLNA, FLNB and FLNC, which can generate various transcript variants in different cell types. In this study, we focused on the effects of FLNBv2 and FLNBv4 toward GCT cells...
October 24, 2016: Oncology Reports
Karen Zwickel, Jenna Koppel, Marie Katz, Katherine Virkstis, Sarah Rothenberger, Carol Boston-Fleischhauer
To transform healthcare delivery, frontline nursing staff must be committed to their work and to driving their organization's mission forward. However, Advisory Board Survey Solutions data show that nurses are the least engaged as compared with other frontline staff. In this article, the authors identify a top opportunity for improving nurse engagement: ensuring that nurses understand how executives' actions reflect their organization's missions and values.
November 2016: Journal of Nursing Administration
Hugo Mathé-Hubert, Dominique Colinet, Emeline Deleury, Maya Belghazi, Marc Ravallec, Julie Poulain, Carole Dossat, Marylène Poirié, Jean-Luc Gatti
Venom composition of parasitoid wasps attracts increasing interest - notably molecules ensuring parasitism success on arthropod pests - but its variation within and among taxa is not yet understood. We have identified here the main venom proteins of two braconid wasps, Psyttalia lounsburyi (two strains from South Africa and Kenya) and P. concolor, olive fruit fly parasitoids that differ in host range. Among the shared abundant proteins, we found a GH1 β-glucosidase and a family of leucine-rich repeat (LRR) proteins...
October 25, 2016: Scientific Reports
Theodore D Cosco, Blossom C M Stephan, Graciela Muniz, Carol Brayne
A successful aging (SA) index was captured in a longitudinal population-based cohort study of individuals aged 75 and older and examined longitudinally using growth mixture modelling (GMM) to identify groups with similar trajectories using decedents' (n = 1,015) last completed interview and up to four previous data collection waves before death. GMM identified a three-class model. Classes were high-functioning, no decline (HN); high-functioning, gradual decline (HG); and low-functioning, steep decline (LS)...
October 25, 2016: Canadian Journal on Aging, la Revue Canadienne du Vieillissement
Richard S Legro, Allen R Kunselman, Christy M Stetter, Carol L Gnatuk, Stephanie J Estes, Eleanor Brindle, Hubert W Vesper, Julianne C Botelho, Peter A Lee, William C Dodson
CONTEXT: Daughters of women with polycystic ovary syndrome (PCOS) are thought to be at increased risk for developing stigmata of the syndrome, but the ontogeny during puberty is uncertain. OBJECTIVE: To phenotype daughters (N = 76) of mothers with PCOS and daughters (N = 80) from control mothers for reproductive and metabolic parameters characteristic of PCOS. DESIGN, SETTING, AND PARTICIPANTS: Matched Case/Control Study, Penn State Hershey Medical Center, Non-Hispanic, Caucasian girls age 4-17 INTERVENTION: Obtain birth history, biometric, ovarian ultrasounds, whole body DXA scan for body composition, 2 hour glucose challenged salivary insulin levels and two timed urinary collections (12 hours overnight and 3 hours AM) for gonadotropins and sex steroids...
October 25, 2016: Journal of Clinical Endocrinology and Metabolism
Karin Hammarberg, Rebecca Zosel, Caroline Comoy, Sarah Robertson, Carol Holden, Mandy Deeks, Louise Johnson
Some potentially modifiable factors adversely affect fertility and pregnancy health. To inform a fertility health promotion programme, this study investigated fertility knowledge and information-seeking behaviour among people of reproductive age. This was a qualitative study involving six focus group discussions with women and men who intended to have children in the future and eight paired interviews with couples who were actively trying to conceive. Participants (n = 74) themselves generally claimed 'low' to 'average' levels of knowledge about fertility...
October 25, 2016: Human Fertility: Journal of the British Fertility Society
Carol A Marchant, Edward M Rosser, Jonathan D Vessey
The application of biotransformation dictionaries derived by expert evaluation of known metabolic pathways represents one approach to the prediction of both phase I and phase II xenobiotic metabolites. The ranking of metabolites generated by such dictionaries has previously been achieved through the use of qualitative reasoning rules and quantitative probability values. Using the biotransformation dictionary available in the Meteor expert system, we show that metabolite over-prediction by both of these methods can be reduced by the adoption of a k-nearest neighbours methodology in which the likelihood of a predicted biotransformation is determined based on comparison of a query chemical with structurally-similar substrates with known experimental metabolic data which activate the same biotransformation...
October 25, 2016: Molecular Informatics
Alastair Fung, Nora Trabulsi, Martin Morris, Richard Garfinkle, Abdulaziz Saleem, Steven D Wexner, Carol-Ann Vasilevsky, Marylise Boutros
BACKGROUND: Laparoscopic colorectal cancer operations in obese patients pose technical challenges that may negatively impact oncologic adequacy. A meta-analysis was performed to assess the oncologic outcomes of laparoscopic colorectal cancer resections in obese compared to non-obese patients. Short- and long-term outcomes were assessed secondarily. METHODS: A systematic literature search was conducted from inception until October 01, 2014. Studies that compared outcomes of laparoscopic colorectal malignant neoplasms in obese and non-obese patients were selected for meta-analysis...
October 24, 2016: Surgical Endoscopy
Didier Lecointe, Jade Assoukpa, Lauriane Cezard, Carole Descaves, Armelle Gouot, Sandrine Bourgeois, Monique Bergeon, Stéphane Koutcherenko, Yasmine Lakhdari, Noura Kassidi
The microbiological tests on breast milk performed when samples of pasteurized breast milk are added to hospital milk banks are covered by French regulations dating from December 3(rd) 2007. They involve counts of the aerobic total flora and of Staphylococcus aureus in a sample of milk before pasteurization, and culture after pasteurization to check that the treated milk is sterile. The regulations specify the nature of the agar plates to be used, together with the conditions for plating and incubation, but they lack detail in other areas...
October 24, 2016: Annales de Biologie Clinique
Sheryl Zimmerman, Angela Greene, Philip D Sloane, Madeline Mitchell, Carol Giuliani, Kirsten Nyrop, Edith Walsh
Residents of assisted living (AL) communities are at high risk for falls, which result in negative outcomes and high health care costs. Adapting effective falls prevention programs for AL quality improvement (QI) has the potential to reduce falls, improve resident quality of life, and reduce costs. This project tested the feasibility and outcomes of an evidence-based multi-component QI program, the Assisted Living Falls Prevention and Monitoring Program (AL-FPMP). Resident posture and gait improved, likely due to exercise and/or physical therapy...
October 21, 2016: Geriatric Nursing
Geeta Gyamlani, Carol M Headley, Adnan Naseer, Ganpat S Valaulikar, Stephen A Geraci
Primary aldosteronism (PA) is an important and commonly unrecognized cause of secondary hypertension. Idiopathic hyperaldosteronism and aldosterone-producing adenomas account for more than 95% of PA and are characterized, respectively, by bilateral or unilateral involvement of the adrenal glands. When there is suspicion for the presence of PA, a plasma aldosterone to renin ratio should be obtained initially. Localization to determine adrenal gland involvement is done by imaging, with computerized tomography or magnetic resonance imaging...
October 2016: American Journal of the Medical Sciences
Sean Esteban McCabe, James A Cranford, Carol J Boyd
This study examined stressful life events and other predictors associated with remission from DSM-IV drug dependence involving cannabis, cocaine, hallucinogens, heroin, inhalants, non-heroin opioids, sedatives, stimulants, tranquilizers, or other drugs. Waves 1 and 2 of the National Epidemiologic Survey on Alcohol and Related Conditions were used to examine the prevalence and predictors of past-year remission status. Among U.S. adults with previous (i.e., prior-to-past-year) drug dependence (n=921) at baseline (wave 1), the prevalence of past-year remission status at wave 1 was: abstinence (60...
December 2016: Journal of Substance Abuse Treatment
Eric P M Grist, Jennifer A Flegg, Georgina Humphreys, Ignacio Suay Mas, Tim J C Anderson, Elizabeth A Ashley, Nicholas P J Day, Mehul Dhorda, Arjen M Dondorp, M Abul Faiz, Peter W Gething, Tran T Hien, Tin M Hlaing, Mallika Imwong, Jean-Marie Kindermans, Richard J Maude, Mayfong Mayxay, Marina McDew-White, Didier Menard, Shalini Nair, Francois Nosten, Paul N Newton, Ric N Price, Sasithon Pukrittayakamee, Shannon Takala-Harrison, Frank Smithuis, Nhien T Nguyen, Kyaw M Tun, Nicholas J White, Benoit Witkowski, Charles J Woodrow, Rick M Fairhurst, Carol Hopkins Sibley, Philippe J Guerin
BACKGROUND: Artemisinin-resistant Plasmodium falciparum malaria parasites are now present across much of mainland Southeast Asia, where ongoing surveys are measuring and mapping their spatial distribution. These efforts require substantial resources. Here we propose a generic 'smart surveillance' methodology to identify optimal candidate sites for future sampling and thus map the distribution of artemisinin resistance most efficiently. METHODS: The approach uses the 'uncertainty' map generated iteratively by a geostatistical model to determine optimal locations for subsequent sampling...
October 24, 2016: International Journal of Health Geographics
Mohammad T Mazhab-Jafari, Alexis Rohou, Carla Schmidt, Stephanie A Bueler, Samir Benlekbir, Carol V Robinson, John L Rubinstein
Vacuolar-type ATPases (V-ATPases) are ATP-powered proton pumps involved in processes such as endocytosis, lysosomal degradation, secondary transport, TOR signalling, and osteoclast and kidney function. ATP hydrolysis in the soluble catalytic V1 region drives proton translocation through the membrane-embedded VO region via rotation of a rotor subcomplex. Variability in the structure of the intact enzyme has prevented construction of an atomic model for the membrane-embedded motor of any rotary ATPase. We induced dissociation and auto-inhibition of the V1 and VO regions of the V-ATPase by starving the yeast Saccharomyces cerevisiae, allowing us to obtain a ~3...
October 24, 2016: Nature
Brian E Lacy, Michael D Crowell, Carole Mathis, David Bauer, Leslie J Heinberg
BACKGROUND AND AIMS: Gastroparesis (GP) patients suffer from recurrent symptoms of nausea, vomiting, early satiety, and abdominal pain. The impact of GP on quality of life (QoL), health care utilization and daily activities is not well understood. MATERIALS AND METHODS: Part 1: 398 adult patients (≥18 y) with documented GP (symptoms >6 mo) were surveyed to assess QoL and pain using the Short Form 36 and McGill pain questionnaires. Part 2: 491 adult GP patients were surveyed to evaluate employment status, work and daily activities, medication use, physician visits, diagnostic testing, emergency room visits, and hospitalizations related to their GP symptoms...
October 21, 2016: Journal of Clinical Gastroenterology
Lesley Gray, Carol MacDonald
It is a frightening reality for some people to be caught up in the midst of a disaster, alone and vulnerable due to their relative size, shape or weight. A literature search failed to find any empirical reports of data specific to body mass index (BMI) in disaster situations. A handful of largely anecdotal reports described situations in which people categorised as morbidly obese were negatively impacted in disasters because of their size and/or weight. While a small number of toolkits and training resources were found, there remains a paucity of research in relation to obesity and emergency planning or disaster risk reduction...
October 20, 2016: International Journal of Environmental Research and Public Health
Bhuvnesh Bharti, David Rutkowski, Koohee Han, Aakash Umesh Kumar, Carol K Hall, Orlin D Velev
Janus and patchy particles are emerging as models for studying complex directed assembly patterns and as precursors of new structured materials and composites. Here we show how lipid induced capillary bridging could serve as a new and non conventional method of assembling patchy particles into ordered structures. Iron oxide surface patches on latex microspheres were selectively wetted with liquid lipids, driving the particle assembly into 2D and 3D clusters via interparticle capillary bridge formation. The liquid phase of the bridges allows local reorganization of the particles within the clusters and assists in forming true equilibrium configurations...
October 24, 2016: Journal of the American Chemical Society
Sungwoo Lim, Valerie Meausoone, Christina Norman, Carol Quinlan, Cynthia R Driver
OBJECTIVE: Neighborhood-level factors such as ethnic densities and social cohesion have been negatively associated with psychological distress among Latino Americans. Yet, existing evidence is based on either specific neighborhood factors or particular Latino subgroups. The objective of the study was to assess difference in psychological distress between each of four Latino subgroups (Puerto Ricans, Dominicans, Mexicans, other Latinos) and non-Latino white adults in New York City, and quantify total neighborhood-level influence on these differences...
October 24, 2016: Ethnicity & Health
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