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Gladys Witt Strain
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February 14, 2018: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
Mathieu Gendrot, Francis Tsombeng Foguim, Marie Gladys Robert, Rémy Amalvict, Joel Mosnier, Nicolas Benoit, Marylin Madamet, Bruno Pradines
BACKGROUND: Plasmodium falciparum resistance to artemisinin-based combination therapy has emerged and spread in Southeast Asia. In areas where artemisinin resistance is emerging, the efficacy of combination is now based on partner drugs. In this context, the identification of novel markers of resistance is essential to monitor the emergence and spread of resistance to these partner drugs. The ubiquitylation pathway could be a possible target for anti-malarial compounds and might be involved in resistance...
March 12, 2018: Malaria Journal
Lindsey O'Neal, Tanmoy Mukherjee, Gladys Alexandre
Bacteria of the genus A. brasilense are motile and capable of chemotaxis and aerotaxis (taxis in gradient of oxygen) using a single polar flagellum that propels the cells in aqueous environments. Responses to attractants and repellents have been described and spatial gradient assays that permit the visualization of these responses are detailed in this unit. These assays are simple and can be readily implemented with minimum set ups. © 2018 by John Wiley & Sons, Inc.
February 22, 2018: Current Protocols in Microbiology
A V Botello, F S Villanueva, R F Rivera, A L Velandia, G E de la Lanza
This study focused on dating of a sediment core from the Alvarado Lagoon System, Veracruz, Mexico, calculating the sedimentation rate by using210 Pb to determine the tendency towards pollution by polycyclic aromatic hydrocarbons, organochlorides, the metals Cd, Cr, Cu, Hg, Ni, Pb, and V, and organic matter content. The activity of total Pb and supported Pb in the samples was 83.1 and 29.5 Bq kg-1 , respectively, whereas the average estimated sedimentation rate was 0.48 ± 0.09 cm per year-1 . The organic matter values exhibited linear behavior throughout the historical profile, with values under 2...
March 6, 2018: Archives of Environmental Contamination and Toxicology
Gladys Kigozi, Michelle Engelbrecht, Christo Heunis, André Janse van Rensburg
BACKGROUND: In 2012, the World Health Organization launched guidelines for systematically investigating contacts of persons with infectious tuberculosis (TB) in low- and middle-income countries. As such, it is necessary to understand factors that would influence successful scale-up. This study targeted household contacts of newly-diagnosed infectious TB patients in the Mangaung Metropolitan district to explore factors associated with non-attendance of clinical evaluation. METHOD: In September-October 2016, a pilot study of household contacts was conducted...
March 5, 2018: BMC Infectious Diseases
Celeste Trejo Moreno, Gabriela Castro Martínez, Marisol Méndez Martínez, Jesús Enrique Jiménez Ferrer, José Pedraza Chaverri, Gerardo Arrellín, Alejandro Zamilpa, Omar Noel Medina Campos, Galia Lombardo Earl, Gerardo Joel Barrita Cruz, Beatriz Hernández, Christian Carlos Ramírez, María Angélica Santana, Gladis Fragoso, Gabriela Rosas
ETHNOPHARMACOLOGICAL RELEVANCE: A recent ethnomedical survey on medicinal plants grown in Mexico revealed that Sechium edule (Jacq.) Sw. (Cucurbitaceae) is one of the most valued plant species to treat cardiovascular diseases, including hypertension. Fruits, young leaves, buds, stems, and tuberous roots of the plant are edible. Considering that endothelial dysfunction induced by Angiotensin II plays an important role in the pathogenesis of hypertension and is accompanied by a prooxidative condition, which in turn induces an inflammatory state, vascular remodeling, and tissue damage, and that S...
March 1, 2018: Journal of Ethnopharmacology
Gladys Barragan-Jason, Cristina Atance, Leia Kopp, Astrid Hopfensitz
Patience, or the ability to tolerate delay, is typically studied using delay of gratification (DoG) tasks. However, among other factors (e.g., type of reward), the use of a reward to test patience is affected by an individual's motivation to obtain the reward (e.g., degree of preference for the small vs. large reward). In addition, DoG tasks do not assess the extent to which an individual can wait in the absence of an explicit reward-or what we term "patience as a virtue." Accordingly, the current study used a new measure of patience-the "pure waiting paradigm"-in which 3- to 5-year-old children waited 3 min with nothing to do and with no explicit reward...
February 27, 2018: Journal of Experimental Child Psychology
Desprez Bertrand, Dent Matt, Keller Detlef, Klaric Martina, Ouédraogo Gladys, Cubberley Richard, Duplan Hélène, Eilstein Joan, Ellison Corie, Grégoire Sébastien, J Hewitt Nicola, Jacques-Jamin Carine, Lange Daniela, Roe Amy, Rothe Helga, J Blaauboer Bas, Schepky Andreas, Mahony Catherine
When performing safety assessment of chemicals, the evaluation of their systemic toxicity based only on non-animal approaches is a challenging objective. The Safety Evaluation Ultimately Replacing Animal Test programme (SEURAT-1) addressed this question from 2011 to 2015 and showed that further research and development of adequate tools in toxicokinetic and toxicodynamic are required for performing non-animal safety assessments. It also showed how to implement tools like thresholds of toxicological concern (TTCs) and read-across in this context...
February 27, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
Celeste Trejo-Moreno, Marisol Méndez-Martínez, Alejandro Zamilpa, Enrique Jiménez-Ferrer, Maria Dolores Perez-Garcia, Omar N Medina-Campos, José Pedraza-Chaverri, María Angélica Santana, Fernando R Esquivel-Guadarrama, Aida Castillo, Jacquelynne Cervantes-Torres, Gladis Fragoso, Gabriela Rosas-Salgado
Inflammation and oxidative stress play major roles in endothelial dysfunction, and are key factors in the progression of cardiovascular diseases. The aim of this study was to evaluate in vitro the effect of three subfractions (SFs) from the Cucumis sativus aqueous fraction to reduce inflammatory factors and oxidative stress induced by angiotensin II (Ang II) in human microvascular endothelial cells-1 (HMEC-1) cells. The cells were cultured with different concentrations of Ang II and 0.08 or 10 μg/mL of SF1, SF2, or SF3, or 10 μmol of losartan as a control...
February 28, 2018: Nutrients
Omel Mendoza-Yero, Miguel Carbonell-Leal, Gladys Mínguez-Vega, Jesús Lancis
We experimentally demonstrate Fresnel holograms able to produce multifocal irradiance patterns with micrometric spatial resolution. These holograms are assessed from the coherent sum of multiple Fresnel lenses. The utilized encoded technique guarantees full control over the reconstructed irradiance patterns due to an optimal codification of the amplitude and phase information of the resulting complex field. From a practical point of view, a phase-only spatial light modulator is used in a couple of experiments addressed to obtain two- and three-dimensional distributions of focal points to excite both linear and non-linear optical phenomena...
March 1, 2018: Optics Letters
Declan Ryan, Jorgen Wullems, Georgina Stebbings, Christopher Morse, Claire Stewart, Gladys Onambele-Pearson
BACKGROUND: Physical behavior [PB, physical activity (PA), and sedentary behavior (SB)] can adjust cardiovascular mortality risk in older adults. The aim of this study was to predict cardiovascular parameters (CVPs) using 21 parameters of PB. METHODS: Participants [n = 93, 73.8 (6.23) y] wore a thigh-mounted accelerometer for 7 days. Phenotype of the carotid, brachial, and popliteal arteries was conducted using ultrasound. RESULTS: Sedentary behavior was associated with one of the 19 CVPs...
February 27, 2018: Journal of Physical Activity & Health
Kimberly R Middleton, Michael M Ward, Steffany Haaz Moonaz, Miriam Magaña López, Gladys Tataw-Ayuketah, Li Yang, Ana T Acevedo, Zavera Brandon, Gwenyth R Wallen
Background: While there is a growing interest in the therapeutic benefits of yoga, minority populations with arthritis tend to be under-represented in the research. Additionally, there is an absence of guidance in the literature regarding the use of multicultural teams and sociocultural health beliefs, when designing yoga studies for a racially diverse population with arthritis. This pilot study examined the feasibility of offering yoga as a self-care modality to an urban, bilingual, minority population with osteoarthritis (OA) or rheumatoid arthritis (RA), in the Washington, DC area...
2018: Pilot and Feasibility Studies
Dolores A Ayón-Núñez, Gladis Fragoso, Clara Espitia, Martín García-Varela, Xavier Soberón, Gabriela Rosas, Juan P Laclette, Raúl J Bobes
The larval stage of Taenia solium (cysticerci) is the causal agent of human and swine cysticercosis. When ingested by the host, T. solium eggs are activated and hatch in the intestine, releasing oncospheres that migrate to various tissues and evolve into cysticerci. Plasminogen (Plg) receptor proteins have been reported to play a role in migration processes for several pathogens. This work is aimed to identify Plg-binding proteins in T. solium cysticerci and determine whether T. solium recombinant enolase (rTsEnoA) is capable of specifically binding and activating human Plg...
February 18, 2018: Acta Tropica
Maria Lisa Odland, Gladys Membe-Gadama, Ursula Kafulafula, Geir W Jacobsen, James Kumwenda, Elisabeth Darj
Malawi has a high maternal mortality rate, of which unsafe abortion is a major cause. About 140,000 induced abortions are estimated every year, despite there being a restrictive abortion law in place. This leads to complications, such as incomplete abortions, which need to be treated to avoid further harm. Although manual vacuum aspiration (MVA) is a safe and cheap method of evacuating the uterus, the most commonly used method in Malawi is curettage. Medical treatment is used sparingly in the country, and the Ministry of Health has been trying to increase the use of MVA...
February 21, 2018: International Journal of Environmental Research and Public Health
André Janse van Rensburg, Inge Petersen, Edwin Wouters, Michelle Engelbrecht, Gladys Kigozi, Pieter Fourie, Dingie van Rensburg, Piet Bracke
The Life Esidimeni tragedy in South Africa showed that, despite significant global gains in recognizing the salience of integrated public mental health care during the past decade, crucial gaps remain. State and non-state mental health service collaboration is a recognized strategy to increase access to care and optimal use of community resources, but little evidence exist about how it unfolds in low- to middle-income countries. South Africa's Mental Health Policy Framework and Strategic Plan 2013-20 (MHPF) underlines the importance of collaborative public mental health care, though it is unclear how and to what extent this happens...
February 15, 2018: Health Policy and Planning
Gladys B Asiedu, Bethany R Lowndes, Paul M Huddleston, Susan Hallbeck
OBJECTIVE: The aim of this study was to define health care providers' perceptions toward prone patient positioning for spine surgery using the Jackson Table, which has not been hitherto explored. METHODS: We analyzed open-ended questionnaire data and interviews conducted with the spine surgical team regarding the current process of spinal positioning/repositioning using the Jackson Table. Participants were asked to provide an open-ended explanation as to whether they think the current process of spinal positioning/repositioning is safe for the staff or patients...
March 2018: Journal of Patient Safety
Alicia Delrivo, Carolina Aloisio, Marcela R Longhi, Gladys Granero
We propose an in vitro permeability assay by using a modified lipid membrane to predict the in vivo intestinal passive permeability of drugs. Two conditions were tested, one with a gradient pH (pH 5.5 donor/pH 7.4 receptor) and the other with an iso-pH 7.4. The predictability of the method was established by correlating the obtained apparent intestinal permeability coefficients (P app ) and the oral dose fraction absorbed in humans (f a ) of 16 drugs with different absorption properties. The P app values correlated well with the absorption rates under the two conditions, and the method showed high predictability and good reproducibility...
February 15, 2018: AAPS PharmSciTech
Jodi M Gilman, Milena Radoman, Randi M Schuster, Gladys Pachas, Nour Azzouz, Maurizio Fava, A Eden Evins
Relapse to smoking after initial abstinence is a major clinical challenge with significant public health consequences. At the brain and behavioral level, those who relapse to tobacco smoking have both greater cue-reactivity and lower inhibitory control than those who remain abstinent. Little is known about neural activation during inhibitory control tasks in the presence of drug-related cues. In the current study, tobacco smokers (SMK; n = 22) and non-smoking controls (CON; n = 19) completed a Go/NoGo task involving smoking cues during a functional magnetic resonance imaging (fMRI) scan...
June 2018: Addictive Behaviors Reports
Supravat Dey, Gladys Massiera, Estelle Pitard
Cilia are elastic hairlike protuberances of the cell membrane found in various unicellular organisms and in several tissues of most living organisms. In some tissues such as the airway tissues of the lung, the coordinated beating of cilia induces a fluid flow of crucial importance as it allows the continuous cleaning of our bronchia, known as mucociliary clearance. While most of the models addressing the question of collective dynamics and metachronal wave consider homogeneous carpets of cilia, experimental observations rather show that cilia clusters are heterogeneously distributed over the tissue surface...
January 2018: Physical Review. E
Xiangduo Kong, Gladys M S Cruz, Bárbara A Silva, Nicole M Wakida, Nima Khatibzadeh, Michael W Berns, Kyoko Yokomori
DNA damage induces specific signaling and repair responses in the cell, which is critical for protection of genome integrity. Laser microirradiation became a valuable experimental tool to investigate the DNA damage response (DDR) in vivo. It allows real-time high-resolution single-cell analysis of macromolecular dynamics in response to laser-induced damage confined to a submicrometer region in the cell nucleus. However, various laser conditions have been used without appreciation of differences in the types of damage induced...
January 31, 2018: Journal of Visualized Experiments: JoVE
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