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https://www.readbyqxmd.com/read/28814298/erratum-to-a-framework-to-assess-patient-reported-adverse-outcomes-arising-during-hospitalization
#1
B Okoniewska, M J Santana, J Holroyd-Leduc, W Flemons, M O'Beirne, D White, W Ocampo, W A Ghali, A J Forster
No abstract text is available yet for this article.
August 16, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28807538/lactose-malabsorption-and-taste-aversion-learning
#2
Joe Arthurs, Jian-You Lin, Roberto Ocampo, Steve Reilly
Consumption of foods can be suppressed by two feeding system defense mechanisms: conditioned taste aversion (CTA) or taste avoidance learning (TAL). There is a debate in the literature about which form of intake suppression is caused by various aversive stimuli. For instance, illness-inducing stimuli like lithium chloride are the gold standard for producing CTA and external (or peripheral) painful stimuli, such as footshock, are the traditional model of TAL. The distinction between CTA and TAL, which have identical effects on intake, is based on differential effects on palatability...
August 11, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28802034/keeping-the-rhythm-while-changing-the-lyrics-circadian-biology-in-aging
#3
Fumiyuki Hatanaka, Alejandro Ocampo, Juan Carlos Izpisua Belmonte
Aging and circadian rhythms have been linked for decades, but their molecular interplay has remained obscure. Sato et al. and Solanas et al. now reveal that, while core clock components remain nearly unaltered, aging is associated with tissue-specific rewiring, which can be prevented by calorie restriction.
August 10, 2017: Cell
https://www.readbyqxmd.com/read/28794884/unusual-presentations-of-comamonas-kerstersii-infection
#4
M Almuzara, C Barberis, F Veiga, R Bakai, R Cittadini, C Vera Ocampo, M Alonso Serena, E Cohen, M S Ramirez, A Famiglietti, D Stecher, M Del Castillo, C Vay
The association of Comamonas kerstersii with peritonitis resulting from the presence of perforated appendix has previously been described by our research team. In the present study, we describe the isolation of this microorganism from two forms of unusual presentations of C. kerstersii infection not previously described in the literature: localized intra-abdominal infection (psoas abscess) and pelvic peritonitis.
September 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28794470/endocrine-disruptors-induce-perturbations-in-endoplasmic-reticulum-and-mitochondria-of-human-pluripotent-stem-cell-derivatives
#5
Uthra Rajamani, Andrew R Gross, Camille Ocampo, Allen M Andres, Roberta A Gottlieb, Dhruv Sareen
Persistent exposure to man-made endocrine disrupting chemicals during fetal endocrine development may lead to disruption of metabolic homeostasis contributing to childhood obesity. Limited cellular platforms exist to test endocrine disrupting chemical-induced developmental abnormalities in human endocrine tissues. Here we use an human-induced pluripotent stem cell-based platform to demonstrate adverse impacts of obesogenic endocrine disrupting chemicals in the developing endocrine system. We delineate the effects upon physiological low-dose exposure to ubiquitous endocrine disrupting chemicals including, perfluoro-octanoic acid, tributyltin, and butylhydroxytoluene, in endocrine-active human-induced pluripotent stem cell-derived foregut epithelial cells and hypothalamic neurons...
August 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28783001/partial-characterization-of-a-biosurfactant-extracted-from-pseudomonas-sp-b0406-that-enhances-the-solubility-of-pesticides
#6
Selene García-Reyes, Gustavo Yáñez-Ocampo, Arnoldo Wong-Villarreal, Rajesh Kannan Rajaretinam, Citarasu Thavasimuthu, Rodrigo Patiño, Ma Laura Ortiz-Hernández
Biodegradation of some organochlorine and organophosphate pesticides is difficult because of their low solubility in water and, therefore, their low bioavailability. To overcome the hydrophobicity problem and the limited pesticide availability, biosurfactants play a major role. In this study we evaluated the effect of an extract from Pseudomonas sp. B0406 strain with surfactant properties, on the solubility of two pesticides: Endosulfan and methyl parathion. Such process was performed in order to increase the aqueous solubility of both pesticides, to increase its availability to microorganisms and, to promote their biodegradation...
August 7, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28776579/significance-of-h3k27me3-loss-in-the-diagnosis-of-malignant-peripheral-nerve-sheath-tumors
#7
Melike Pekmezci, Areli K Cuevas-Ocampo, Arie Perry, Andrew E Horvai
The diagnosis of malignant peripheral nerve sheath tumors can be challenging and other spindle cell sarcomas commonly enter in the differential diagnosis. Loss of trimethylation at lysine 27 of histone-H3 (H3K27me3) by immunohistochemistry was recently described in malignant peripheral nerve sheath tumors. However, its specificity remains controversial. We therefore studied 82 synovial sarcomas, 39 malignant peripheral nerve sheath tumors, and 10 fibrosarcomatous dermatofibrosarcoma protuberans for H3K27me3 loss by immunohistochemistry...
August 4, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28773096/piezoelectric-ceramics-of-the-1-x-bi0-50na0-50tio%C3%A2-xba0-90ca0-10tio%C3%A2-lead-free-solid-solution-chemical-shift-of-the-morphotropic-phase-boundary-a-case-study-for-x-0-06
#8
Rodrigo Vivar-Ocampo, Lorena Pardo, David Ávila, Emilio Morán, Amador M González, Lauro Bucio, María-Elena Villafuerte-Castrejón
Research and development of lead-free piezoelectric materials are still the hottest topics in the field of piezoelectricity. One of the most promising lead-free family of compounds to replace lead zirconate-titanate for actuators is that of Bi0.50Na0.50TiO₃ (BNT) based solid solutions. The pseudo-binary (1 - x)Bi0.50Na0.50TiO₃-xBa1 - yCayTiO₃ system has been proposed for high temperature capacitors and not yet fully explored as piezoelectric material. In this work, the solid solution with x = 0.06 and y = 0...
July 1, 2017: Materials
https://www.readbyqxmd.com/read/28764795/participation-of-14-3-3%C3%AE%C2%B5-and-14-3-3%C3%AE-proteins-in-the-phagocytosis-component-of-cellular-immune-response-in-aedes-mosquito-cell-lines
#9
Abel Trujillo-Ocampo, Febe Elena Cázares-Raga, Rosa María Del Angel, Fernando Medina-Ramírez, Leopoldo Santos-Argumedo, Mario H Rodríguez, Fidel de la Cruz Hernández-Hernández
BACKGROUND: Better knowledge of the innate immune system of insects will improve our understanding of mosquitoes as potential vectors of diverse pathogens. The ubiquitously expressed 14-3-3 protein family is evolutionarily conserved from yeast to mammals, and at least two isoforms of 14-3-3, the ε and ζ, have been identified in insects. These proteins have been shown to participate in both humoral and cellular immune responses in Drosophila. As mosquitoes of the genus Aedes are the primary vectors for arboviruses, causing several diseases such as dengue fever, yellow fever, Zika and chikungunya fevers, cell lines derived from these mosquitoes, Aag-2 from Aedes aegypti and C6/36 HT from Aedes albopictus, are currently used to study the insect immune system...
August 1, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28763076/-study-plan-2016-of-the-licentiate-of-medical-surgery-of-the-faculty-of-higher-studies-iztacala
#10
Adolfo René Méndez-Cruz, Xavier de Jesús Novales-Castro, Lilia Isabel Ramírez-García, Eugenio Camarena-Ocampo, Julia Reyes-Reali, Uriel Calderón-Abundes, Dante Amato
The 2016 undergraduate medical degree curriculum at the Facultad de Estudios Superiores Iztacala of the Universidad Nacional Autónoma de México (UNAM) is presented. It is the result of a long institutional reflection and academic dialog process of approximately three years, which culminated in its approval by UNAM's Academic Council for the Biology, Chemistry, and Health Sciences areas on January 25, 2016. Its most relevant characteristics are: modular organization, four knowledge areas (biomedical, methodological, socio-psychological, and humanistic and medical practice), and new modules such as Seminar of socio-psycho-biological integration; Genetics and molecular biology; Biochemistry and cellular biology; Pharmacological basis of therapeutics; Infectious diseases, microbiology and parasitology; Medical ethics; Public health; and Evidence-based medicine - clinical epidemiology...
May 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28758268/noodle-pattern-a-new-dermoscopic-pattern-for-crusted-scabies-norwegian-scabies
#11
Sonia Chavez-Alvarez, Alejandra Villarreal-Martinez, Giuseppe Argenziano, Jesus Ancer-Arellano, Jorge Ocampo-Candiani
A 36-year-old female patient with HIV infection and poor treatment adherence was seen due to a skin rash that was affecting mainly her trunk and extremities. Lesions consisted of non-pruriginous papules, hyperkeratotic plaques, and desquamation (Fig 1). Upon dermoscopic examination (10x, DermLite DL3N, San Juan Capistrano, CA, USA), the lesions exhibited a hyperkeratotic appearance, and the centre was composed of several burrows on top of each other in a noodle-like pattern. This article is protected by copyright...
July 31, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28733744/comparison-of-one-stage-laparoscopic-cholecystectomy-combined-with-intra-operative-endoscopic-sphincterotomy-versus-two-stage-pre-operative-endoscopic-sphincterotomy-followed-by-laparoscopic-cholecystectomy-for-the-management-of-pre-operatively-diagnosed-patients
#12
Chester Tan, Omar Ocampo, Raymund Ong, Kim Shi Tan
BACKGROUND: Laparoscopic cholecystectomy (LC) for symptomatic gallstone disease is one of the most common surgical procedures. Concomitant common bile duct (CBD) stones are detected with an incidence of 4-20% and the ideal management is still controversial. The frequent practice is to perform endoscopic sphincterotomy pre-operatively (POES) followed by LC, to allow subsequent laparoscopic or open exploration if POES fails. However, POES has shown different drawbacks such as need for two hospital admissions, need of two anesthesia inductions, higher rate of pancreatitis, and longer hospital stay...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28732739/environmental-scan-of-infection-prevention-and-control-practices-for-containment-of-hospital-acquired-infectious-disease-outbreaks-in-acute-care-hospital-settings-across-canada
#13
Wrechelle Ocampo, Rose Geransar, Nancy Clayden, Jessica Jones, Jill de Grood, Mark Joffe, Geoffrey Taylor, Bayan Missaghi, Craig Pearce, William Ghali, John Conly
BACKGROUND: Ward closure is a method of controlling hospital-acquired infectious diseases outbreaks and is often coupled with other practices. However, the value and efficacy of ward closures remains uncertain. PURPOSE: To understand the current practices and perceptions with respect to ward closure for hospital-acquired infectious disease outbreaks in acute care hospital settings across Canada. METHODS: A Web-based environmental scan survey was developed by a team of infection prevention and control (IPC) experts and distributed to 235 IPC professionals at acute care sites across Canada...
July 18, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28718519/cookies-elaborated-with-oat-and-common-bean-flours-improved-serum-markers-in-diabetic-rats
#14
Iza F Pérez-Ramírez, Laura J Becerril-Ocampo, Rosalía Reynoso-Camacho, Mayra Denise Herrera, S Horacio Guzmán-Maldonado, Raquel K Cruz-Bravo
BACKGROUND: Common beans have been associated to anti-diabetic effects, due to its high content of bioactive compounds. Nevertheless, its consumption has decreased worldwide. Therefore, there is an increasing interest in the development of novel functional foods elaborated with common beans. The aim of this study was to evaluate the anti-diabetic effect of oat-bean flour cookies, and to analyze its bioactive composition, using commercial oat-wheat cookies for comparative purposes. RESULTS: Oat-bean cookies (1...
July 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28717206/an-amino-acid-signature-associated-with-obesity-predicts-2-year-risk-of-hypertriglyceridemia-in-school-age-children
#15
Sofia Moran-Ramos, Elvira Ocampo-Medina, Ruth Gutierrez-Aguilar, Luis Macías-Kauffer, Hugo Villamil-Ramírez, Blanca E López-Contreras, Paola León-Mimila, Joel Vega-Badillo, Roxana Gutierrez-Vidal, Ricardo Villarruel-Vazquez, Erandi Serrano-Carbajal, Blanca E Del-Río-Navarro, Adriana Huertas-Vázquez, Teresa Villarreal-Molina, Isabel Ibarra-Gonzalez, Marcela Vela-Amieva, Carlos A Aguilar-Salinas, Samuel Canizales-Quinteros
Childhood obesity is associated with a number of metabolic abnormalities leading to increased cardiovascular risk. Metabolites can be useful as early biomarkers and new targets to promote early intervention beginning in school age. Thus, we aimed to identify metabolomic profiles associated with obesity and obesity-related metabolic traits. We used data from the Obesity Research Study for Mexican children (ORSMEC) in Mexico City and included a case control (n = 1120), cross-sectional (n = 554) and a longitudinal study (n = 301) of 6-12-year-old children...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717172/evolution-of-the-pseudomonas-aeruginosa-mutational-resistome-in-an-international-cystic-fibrosis-clone
#16
Carla López-Causapé, Lea Mette Sommer, Gabriel Cabot, Rosa Rubio, Alain A Ocampo-Sosa, Helle Krogh Johansen, Joan Figuerola, Rafael Cantón, Timothy J Kidd, Soeren Molin, Antonio Oliver
Emergence of epidemic clones and antibiotic resistance development compromises the management of Pseudomonas aeruginosa cystic fibrosis (CF) chronic respiratory infections. Whole genome sequencing (WGS) was used to decipher the phylogeny, interpatient dissemination, WGS mutator genotypes (mutome) and resistome of a widespread clone (CC274), in isolates from two highly-distant countries, Australia and Spain, covering an 18-year period. The coexistence of two divergent CC274 clonal lineages was revealed, but without evident geographical barrier; phylogenetic reconstructions and mutational resistome demonstrated the interpatient transmission of mutators...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706228/analysing-the-natural-population-growth-of-a-large-marine-mammal-after-a-depletive-harvest
#17
M A Romero, M F Grandi, M Koen-Alonso, G Svendsen, M Ocampo Reinaldo, N A García, S L Dans, R González, E A Crespo
An understanding of the underlying processes and comprehensive history of population growth after a harvest-driven depletion is necessary when assessing the long-term effectiveness of management and conservation strategies. The South American sea lion (SASL), Otaria flavescens, is the most conspicuous marine mammal along the South American coasts, where it has been heavily exploited. As a consequence of this exploitation, many of its populations were decimated during the early 20th century but currently show a clear recovery...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28698922/characterization-of-methyl-parathion-degradation-by-a-burkholderia-zhejiangensis-strain-ceib-s4-3-isolated-from-agricultural-soils
#18
Elida C Popoca-Ursino, Fernando Martínez-Ocampo, Edgar Dantán-González, Enrique Sánchez-Salinas, Ma Laura Ortiz-Hernández
Through the use of an enrichment technique, we isolated from the agricultural soils of Morelos in central México a strain of Burkholderia zhejiangensis identified as CEIB S4-3, it's could use the pesticide methyl parathion (MP) as the only source of carbon and degrade completely p-nitrophenol (PNP). For more efficient MP and PNP degradation by the CEIB S4-3 strain, the absence of an extra carbon source, a large inoculum and an MP concentration up to 50 mg/l are required. Sequence and annotation analysis of the draft genome, showed presence of mpd functional gene, which was expressed and its activity on the MP was confirmed...
July 11, 2017: Biodegradation
https://www.readbyqxmd.com/read/28676640/human-neutrophils-phagocytose-and-kill-acinetobacter-baumannii-and-a-pittii
#19
María Lázaro-Díez, Itziar Chapartegui-González, Santiago Redondo-Salvo, Chike Leigh, David Merino, David San Segundo, Jesús Navas, José Manuel Icardo, Félix Acosta, Alain Ocampo-Sosa, Luis Martínez-Martínez, José Ramos-Vivas
Acinetobacter baumannii is a common cause of health care associated infections worldwide. A. pittii is an opportunistic pathogen also frequently isolated from Acinetobacter infections other than those from A. baumannii. Knowledge of Acinetobacter virulence factors and their role in pathogenesis is scarce. Also, there are no detailed published reports on the interactions between A. pittii and human phagocytic cells. Using confocal laser and scanning electron microscopy, immunofluorescence, and live-cell imaging, our study shows that immediately after bacteria-cell contact, neutrophils rapidly and continuously engulf and kill bacteria during at least 4 hours of infection in vitro...
July 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28658727/-prevalence-of-asthma-in-latin-america-critical-look-at-isaac-and-other-studies
#20
Jaime Ocampo, Rodrigo Gaviria, Jorge Sánchez
Currently, the ISAAC (International Study of Asthma and Allergies in Childhood) project is a global approach to assess the prevalence of asthma and other allergies in different latitudes. One of the great advantages of this project is that it compares using the same methodology, the prevalence of asthma in more than 50 cities during the same period of time, nevertheless the reproducibility of these results when compared with other studies of prevalence in each region has not been evaluated. In this review we aim to compare the epidemiological data provided by the ISAAC against the data identified in some regional cohort studies and by means of a critical evaluation to highlight the main similarities and to analyze the differences between these epidemiological data...
April 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
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