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https://www.readbyqxmd.com/read/28636665/monitoring-obesity-prevalence-in-the-united-states-through-bookmarking-activities-in-online-food-portals
#1
Christoph Trattner, Denis Parra, David Elsweiler
Studying the impact of food consumption on people's health is a serious matter for its implications on public policy, but it has traditionally been a slow process since it requires information gathered through expensive collection processes such as surveys, census and systematic reviews of research articles. We argue that this process could be supported and hastened using data collected via online social networks. In this work we investigate the relationships between the online traces left behind by users of a large US online food community and the prevalence of obesity in 47 states and 311 counties in the US...
2017: PloS One
https://www.readbyqxmd.com/read/28634303/structural-characterization-of-the-rabphilin-3a-snap25-interaction
#2
Cristina Ferrer-Orta, María Dolores Pérez-Sánchez, Teresa Coronado-Parra, Cristina Silva, David López-Martínez, Jesús Baltanás-Copado, Juan Carmelo Gómez-Fernández, Senena Corbalán-García, Núria Verdaguer
Membrane fusion is essential in a myriad of eukaryotic cell biological processes, including the synaptic transmission. Rabphilin-3A is a membrane trafficking protein involved in the calcium-dependent regulation of secretory vesicle exocytosis in neurons and neuroendocrine cells, but the underlying mechanism remains poorly understood. Here, we report the crystal structures and biochemical analyses of Rabphilin-3A C2B-SNAP25 and C2B-phosphatidylinositol 4,5-bisphosphate (PIP2) complexes, revealing how Rabphilin-3A C2 domains operate in cooperation with PIP2/Ca(2+) and SNAP25 to bind the plasma membrane, adopting a conformation compatible to interact with the complete SNARE complex...
June 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28634082/cytokine-modulation-by-stress-hormones-and-antagonist-specific-hormonal-inhibition-in-rainbow-trout-oncorhynchus-mykiss-and-gilthead-sea-bream-sparus-aurata-head-kidney-primary-cell-culture
#3
Ali Reza Khansari, David Parra, Felipe E Reyes-López, Lluís Tort
A tight interaction between endocrine and immune systems takes place mainly due to the key role of head kidney in both hormone and cytokine secretion, particularly under stress situations in which the physiological response promotes the synthesis and release of stress hormones which may lead into immunomodulation as side effect. Although such interaction has been previously investigated, this study evaluated for the first time the effect of stress-associated hormones together with their receptor antagonists on the expression of cytokine genes in head kidney primary cell culture (HKPCC) of the freshwater rainbow trout (Oncorhynchus mykiss) and the seawater gilthead sea bream (Sparus aurata)...
June 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28632944/deconstructing-the-landscape-of-fear-in-stable-multi-species-societies
#4
A E Martínez, E Parra, L F Collado, V T Vredenburg
Animal distributions are influenced by variation in predation risk in space, which has been described as the "landscape of fear." Many studies suggest animals also reduce predation risk by eavesdropping on heterospecific alarm calls, allowing them to occupy otherwise risky habitats. One unexplored area of study is understanding how different species' alarms vary in quality, and how this variation is distributed in the landscape. We tested this phenomenon in a unique system of avian mixed species flocks in Amazonian rainforests: flock mates (eavesdropping species) strongly associate with alarm-calling antshrikes (genus Thamnomanes), which act as sentinel species...
June 20, 2017: Ecology
https://www.readbyqxmd.com/read/28632824/-adolescents-find-it-easy-to-collect-their-own-samples-to-study-sexually-transmitted-infections
#5
Andrea Huneeus, Mario I Fernández, Andrea Schilling, Paulina Parra, Aleksandra Zakharova
BACKGROUND: As alternative for patients that fear genital examination, we assessed adolescent's comfort and ease with self-collected samples for nucleic acid amplification testing for sexually transmitted infections. PATIENTS AND METHODS: Sexually active Chilean adolescents and youth under 25 years (174 males and 117 females) were enrolled. Females used self-collected vaginal swabs and males collected first-stream urine. A satisfaction survey evaluating self-sampling system was applied...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632202/genome-wide-association-study-of-borderline-personality-disorder-reveals-genetic-overlap-with-bipolar-disorder-major-depression-and-schizophrenia
#6
S H Witt, F Streit, M Jungkunz, J Frank, S Awasthi, C S Reinbold, J Treutlein, F Degenhardt, A J Forstner, S Heilmann-Heimbach, L Dietl, C E Schwarze, D Schendel, J Strohmaier, A Abdellaoui, R Adolfsson, T M Air, H Akil, M Alda, N Alliey-Rodriguez, O A Andreassen, G Babadjanova, N J Bass, M Bauer, B T Baune, F Bellivier, S Bergen, A Bethell, J M Biernacka, D H R Blackwood, M P Boks, D I Boomsma, A D Børglum, M Borrmann-Hassenbach, P Brennan, M Budde, H N Buttenschøn, E M Byrne, P Cervantes, T-K Clarke, N Craddock, C Cruceanu, D Curtis, P M Czerski, U Dannlowski, T Davis, E J C de Geus, A Di Florio, S Djurovic, E Domenici, H J Edenberg, B Etain, S B Fischer, L Forty, C Fraser, M A Frye, J M Fullerton, K Gade, E S Gershon, I Giegling, S D Gordon, K Gordon-Smith, H J Grabe, E K Green, T A Greenwood, M Grigoroiu-Serbanescu, J Guzman-Parra, L S Hall, M Hamshere, J Hauser, M Hautzinger, U Heilbronner, S Herms, S Hitturlingappa, P Hoffmann, P Holmans, J-J Hottenga, S Jamain, I Jones, L A Jones, A Juréus, R S Kahn, J Kammerer-Ciernioch, G Kirov, S Kittel-Schneider, S Kloiber, S V Knott, M Kogevinas, M Landén, M Leber, M Leboyer, Q S Li, J Lissowska, S Lucae, N G Martin, F Mayoral-Cleries, S L McElroy, A M McIntosh, J D McKay, A McQuillin, S E Medland, C M Middeldorp, Y Milaneschi, P B Mitchell, G W Montgomery, G Morken, O Mors, T W Mühleisen, B Müller-Myhsok, R M Myers, C M Nievergelt, J I Nurnberger, M C O'Donovan, L M O Loohuis, R Ophoff, L Oruc, M J Owen, S A Paciga, B W J H Penninx, A Perry, A Pfennig, J B Potash, M Preisig, A Reif, F Rivas, G A Rouleau, P R Schofield, T G Schulze, M Schwarz, L Scott, G C B Sinnamon, E A Stahl, J Strauss, G Turecki, S Van der Auwera, H Vedder, J B Vincent, G Willemsen, C C Witt, N R Wray, H S Xi, A Tadic, N Dahmen, B H Schott, S Cichon, M M Nöthen, S Ripke, A Mobascher, D Rujescu, K Lieb, S Roepke, C Schmahl, M Bohus, M Rietschel
Borderline personality disorder (BOR) is determined by environmental and genetic factors, and characterized by affective instability and impulsivity, diagnostic symptoms also observed in manic phases of bipolar disorder (BIP). Up to 20% of BIP patients show comorbidity with BOR. This report describes the first case-control genome-wide association study (GWAS) of BOR, performed in one of the largest BOR patient samples worldwide. The focus of our analysis was (i) to detect genes and gene sets involved in BOR and (ii) to investigate the genetic overlap with BIP...
June 20, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28631218/an-observational-study-of-the-effect-of-levodopa-carbidopa-intestinal-gel-on-activities-of-daily-living-and-quality-of-life-in-advanced-parkinson-s-disease-patients
#7
Rejko Krüger, Paul Lingor, Triantafyllos Doskas, Johanna M L Henselmans, Erik H Danielsen, Oriol de Fabregues, Alessandro Stefani, Sven-Christian Sensken, Juan Carlos Parra, Koray Onuk, Ashley Yegin, Angelo Antonini
INTRODUCTION: Continuous delivery of levodopa-carbidopa intestinal gel (LCIG) by percutaneous endoscopic gastrojejunostomy (PEG-J) in advanced Parkinson's disease (PD) patients reduces variability in plasma levels, providing better control of motor fluctuations ("on" and "off" states). The MONOTREAT study assessed the effect of LCIG on activities of daily living, motor and non-motor symptoms, and quality of life in advanced PD patients. METHODS: This prospective, observational study included patients with advanced, levodopa-responsive PD with either 2-4 h of "off" time or 2 h of dyskinesia daily...
June 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28627186/%C3%A3-ndice-glic%C3%A3-mico-carga-glic%C3%A3-mica-e-insulina-posprandial-a-dos-f%C3%A3-rmulas-isogluc%C3%A3-dicas-con-distintos-edulcorantes-y-fibra-en-adultos-sanos-y-diab%C3%A3-ticos-tipo-2
#8
Lissé Angarita Dávila, José López Miranda, Daniel Aparicio Camargo, Karla Parra Zuleta, Maria Uzcátegui González, Virginia Céspedes Nava, Samuel Durán Agüero, Nadia Reyna Villasmil
Objetivo: el objetivo de este estudio fue comparar el índice glicémico (IG), la carga glicémica (CG) y la insulina posprandial de dos fórmulas isoglucídicas con distintos edulcorantes y fibra en adultos sanos y diabéticos tipo 2 (DM2).Metodología: en este estudio aleatorizado, cruzado y doble ciego, once sujetos sanos y seis diabéticos consumieron dos fórmulas en cuatro ocasiones (Glucerna SR® Laboratorios Abbott C.A [FG] y Enterex Diabetic®, Victus, C.A [FE], edulcoradas con fructosa y sucralosa respectivamente, con distintas fuentes de fibra), además de solución glucosada (SG) en una ocasión...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28623702/adsorption-of-ionic-surfactants-at-microscopic-air-water-interfaces-using-the-micropipette-interfacial-area-expansion-method-measurement-of-the-diffusion-coefficient-and-renormalization-of-the-mean-ionic-activity-for-sds
#9
Koji Kinoshita, Elisa Parra, David Needham
The dynamic adsorption of ionic surfactants at air-water interfaces have been less-well studied than that of the simpler non-ionics since experimental limitations on dynamic surface tension (DST) measurements create inconsistencies in their kinetic analysis. Using our newly designed "Micropipette interfacial area-expansion method", we have measured and evaluated both equilibrium and dynamic adsorption of a well-known anionic surfactant, sodium dodecyl sulphate (SDS), in the absence or presence of 100mM NaCl...
May 25, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28622789/characterization-of-the-epidemiology-of-bat-borne-rabies-in-chile-between-2003-and-2013
#10
Raul Alegria-Moran, Daniela Miranda, Matt Barnard, Alonso Parra, Lisette Lapierre
Rabies is a zoonotic disease of great impact to public health. According to the World Health Organization, the country of Chile is currently declared free from human rabies transmitted by dogs. An epidemiological characterization and description was conducted using rabies data from 2003 to 2013 held by the National Program for Prevention and Control of Rabies from the Ministry of Health, consisting of bats samples reported as suspect and samples taken by active surveillance (bats brain tissue). Spatial autocorrelation analysis was performed using Local Indicators of Spatial Association (LISA) statistics, particularly Moran's I index, for the detection of spatial clusters...
August 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28622085/c-reactive-protein-as-a-predictor-of-difficult-laparoscopic-cholecystectomy-in-patients-with-acute-calculous-cholecystitis-a-multivariate-analysis
#11
Aarón Díaz-Flores, Eduardo Cárdenas-Lailson, Adolfo Cuendis-Velázquez, Andrés Rodríguez-Parra, Mario E Trejo-Ávila
BACKGROUND: Laparoscopic cholecystectomy (LC) is the treatment of choice for mild and moderate acute cholecystitis. The aim of this study was to analyze the utility of C-reactive protein (CRP) as a predictor of difficult laparoscopic cholecystectomy (DLC) in patients with acute cholecystitis. MATERIALS AND METHODS: We conducted a prospective study. All patients included were treated with emergency LC. Patients were analyzed as DLC and nondifficult laparoscopic cholecystectomy (NDLC)...
June 16, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28621239/a-microrna-signature-associated-with-pathological-complete-response-to-novel-neoadjuvant-therapy-regimen-in-triple-negative-breast-cancer
#12
Raúl García-Vazquez, Erika Ruiz-García, Abelardo Meneses García, Horacio Astudillo-de la Vega, Fernando Lara-Medina, Alberto Alvarado-Miranda, Héctor Maldonado-Martínez, Juan A González-Barrios, Alma D Campos-Parra, Sergio Rodríguez Cuevas, Laurence A Marchat, César López-Camarillo
Neoadjuvant chemotherapy aims to improve the outcome of breast cancer patients, but only few would benefit from this treatment. Pathological complete response has been proposed as a surrogate marker for the prediction of long-term clinical benefits; however, 50%-85% patients have an unfavorable pathological complete response to chemotherapy. MicroRNAs are known biomarkers of breast cancer progression; nevertheless, their potential to identify patients with pathological complete response remains poorly understood...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28619771/revealed-versus-concealed-criteria-for-placental-insufficiency-in-an-unselected-obstetric-population-in-late-pregnancy-ratio37-randomised-controlled-trial-study-protocol
#13
Francesc Figueras, Eduard Gratacos, Marta Rial, Ilan Gull, Ladislav Krofta, Marek Lubusky, Cruz-Martinez Rogelio, Cruz-Lemini Mónica, Martinez-Rodriguez Miguel, Pamela Socias, Cristina Aleuanlli, Mauro C Parra Cordero
INTRODUCTION: Fetal growth restriction (FGR) affects 5%-10% of all pregnancies, contributing to 30%-50% of stillbirths. Unfortunately, growth restriction often is not detected antenatally. The last weeks of pregnancy are critical for preventing stillbirth among babies with FGR because there is a pronounced increase in stillbirths among growth-restricted fetuses after 37 weeks of pregnancy. Here we present a protocol (V.1, 23 May 2016) for the RATIO37 trial, which evaluates an integrated strategy for accurately selecting at-risk fetuses for delivery at term...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28619597/the-andalusian-bipolar-family-abif-study-protocol-and-sample-description
#14
Jose Guzman-Parra, Fabio Rivas, Jana Strohmaier, Andreas Forstner, Fabian Streit, Georg Auburger, Peter Propping, Guillermo Orozco-Diaz, Maria José González, Susana Gil-Flores, Francisco Javier Cabaleiro-Fabeiro, Francisco Del Río-Noriega, Fermin Perez-Perez, Jesus Haro-González, Yolanda de Diego-Otero, Pablo Romero-Sanchiz, Berta Moreno-Küstner, Sven Cichon, Markus M Nöthen, Marcella Rietschel, Fermin Mayoral
INTRODUCTION: Here, we present the first description of the Andalusian Bipolar Family (ABiF) Study. This longitudinal investigation of families from Andalusia, Spain commenced in 1997 with the aim of elucidating the molecular genetic causes of bipolar affective disorder. The cohort has since contributed to a number of key genetic findings, as reported in international journals. However, insight into the genetic underpinnings of the disorder in these families remains limited. METHOD: In the initial 1997-2003 study phase, 100 multiplex bipolar disorder and other mood disorder families were recruited...
June 12, 2017: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/28617812/inferring-repeat-protein-energetics-from-evolutionary-information
#15
Rocío Espada, R Gonzalo Parra, Thierry Mora, Aleksandra M Walczak, Diego U Ferreiro
Natural protein sequences contain a record of their history. A common constraint in a given protein family is the ability to fold to specific structures, and it has been shown possible to infer the main native ensemble by analyzing covariations in extant sequences. Still, many natural proteins that fold into the same structural topology show different stabilization energies, and these are often related to their physiological behavior. We propose a description for the energetic variation given by sequence modifications in repeat proteins, systems for which the overall problem is simplified by their inherent symmetry...
June 15, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28616169/host-sympatry-and-body-size-influence-parasite-straggling-rate-in-a-highly-connected-multihost-multiparasite-system
#16
Jose L Rivera-Parra, Iris I Levin, Kevin P Johnson, Patricia G Parker
Parasite lineages commonly diverge when host lineages diverge. However, when large clades of hosts and parasites are analyzed, some cases suggest host switching as another major diversification mechanism. The first step in host switching is the appearance of a parasite on an atypical host, or "straggling." We analyze the conditions associated with straggling events. We use five species of colonially nesting seabirds from the Galapagos Archipelago and two genera of highly specific ectoparasitic lice to examine host switching...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28613286/geographical-distribution-and-cluster-detection-of-childhood-leukemia-in-the-metropolitan-area-of-guadalajara-mexico
#17
Alberto Tlacuilo-Parra, Roberto Garibaldi-Covarrubias, Hugo Romo-Rubio, Leonardo Soto-Sumuano, Carlos Fernando Ruiz-Chávez, Mijail Suárez-Arredondo, Fernando Sánchez-Zubieta, Sergio Gallegos-Castorena
BACKGROUND: Acute leukemia is the most common cancer in childhood. Analyzing the spatial distribution of acute leukemia may generate the identification of risk factors. OBJECTIVE: To study the incidence rate of acute leukemia, its geographic distribution, and cluster detection in the metropolitan area of Guadalajara, Mexico. METHODS: We included children under 15 years of age diagnosed with acute leukemia during the period 2010-2014 in the metropolitan area of Guadalajara...
May 2017: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/28610662/clinical-diagnostic-and-therapeutic-implications-in-psoriasis-associated-with-cardiovascular-disease
#18
C Bonanad, E González-Parra, R Rivera, J M Carrascosa, E Daudén, A Olveira, R Botella-Estrada
In recent years the concept of psoriasis as a systemic disease has gained acceptance due to its association with numerous comorbid conditions, particularly atherosclerosis and cardiovascular disease. Several studies have shown that patients with psoriasis, especially younger patients and those with more severe forms of psoriasis or with psoriatic arthritis, have a higher prevalence of risk factors and metabolic syndrome, as well as an increased risk of major cardiovascular events such as myocardial infarction, cerebrovascular disease, and peripheral arterial disease...
June 10, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28604646/effect-of-supercritical-carbon-dioxide-extraction-parameters-on-the-biological-activities-and-metabolites-present-in-extracts-from-arthrospira-platensis
#19
Diego A Esquivel-Hernández, José Rodríguez-Rodríguez, Sara P Cuéllar-Bermúdez, J Saúl García-Pérez, Elena I Mancera-Andrade, Jade E Núñez-Echevarría, Aura Ontiveros-Valencia, Magdalena Rostro-Alanis, Rebeca M García-García, J Antonio Torres, Wei Ning Chen, Roberto Parra-Saldívar
Arthrospira platensis was used to obtain functional extracts through supercritical carbon dioxide extraction (SFE-CO₂). Pressure (P), temperature (T), co-solvent (CX), static extraction (SX), dispersant (Di) and dynamic extraction (DX) were evaluated as process parameters through a Plackett-Burman design. The maximum extract yield obtained was 7.48 ± 0.15% w/w. The maximum contents of bioactive metabolites in extracts were 0.69 ± 0.09 µg/g of riboflavin, 5.49 ± 0.10 µg/g of α-tocopherol, 524.46 ± 0...
June 12, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28601925/enhanced-stimulation-of-human-tumor-specific-t-cells-by-dendritic-cells-matured-in-the-presence-of-interferon-%C3%AE-and-multiple-toll-like-receptor-agonists
#20
Tanja Lövgren, Dhifaf Sarhan, Iva Truxová, Bhavesh Choudhary, Roeltje Maas, Jeroen Melief, Maria Nyström, Ulrika Edbäck, Renee Vermeij, Gina Scurti, Michael Nishimura, Giuseppe Masucci, Alex Karlsson-Parra, Andreas Lundqvist, Lars Adamson, Rolf Kiessling
Dendritic cell (DC) vaccines have been demonstrated to elicit immunological responses in numerous cancer immunotherapy trials. However, long-lasting clinical effects are infrequent. We therefore sought to establish a protocol to generate DC with greater immunostimulatory capacity. Immature DC were generated from healthy donor monocytes by culturing in the presence of IL-4 and GM-CSF and were further differentiated into mature DC by the addition of cocktails containing different cytokines and toll-like receptor (TLR) agonists...
June 10, 2017: Cancer Immunology, Immunotherapy: CII
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