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https://www.readbyqxmd.com/read/28092379/structure-fragmentation-patterns-and-magnetic-properties-of-small-nickel-oxide-clusters
#1
R H Aguilera-Del-Toro, F Aguilera-Granja, L C Balbás, A Vega
We report a comprehensive theoretical study of the structural and electronic properties of neutral and charged nickel oxide clusters, NinOm(0/±) (n = 3-8 and m = 1-10), in the context of recent experiments of photodissociation and Ion Mobility Mass Spectrometry. By means of density functional theory calculations in the generalized gradient approximation for exchange and correlation, we determined the putative ground states as well as the low-energy structural- and spin-isomers which were then used to explore the favorable fragmentation channels of the nickel oxide cationic clusters, and the resulting most abundant products, in good qualitative agreement with photodissociation measurements...
January 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28092253/-mexican-treatment-goals-for-plaque-psoriasis
#2
Lorena Estrada-Aguilar, Mario Amaya-Guerra, Minerva Gómez-Flores, Esther Guevara-Sanginés, Fermín Jurado-Santacruz, Adriana Lopeztello-Santillán, César Maldonado-García, Mónica Rivera-Gómez, Norma Rodríguez-Martínez, Luis Vega-González
Psoriasis is a chronic inflammatory disease with a worldwide prevalence between 6 and 39% in moderate to severe forms. In European countries like Germany and England was identified that only one third of patients with moderate to severe forms will receive systemic management, this fact motivated to integrate into Europe an international consensus on treatment goals with the aim of providing support to the dermatologist by algorithms that serve as a therapeutic guide that allows you to gain control short and long term effects of this disease...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28091640/the-binuclear-dual-emitter-br-co-3re-pn-np-re-co-3br-pn-3-chloro-6-4-diphenylphosphinyl-butoxypyridazine-a-new-bridging-p-n-bidentate-ligand-resulting-from-the-ring-opening-of-tetrahydrofuran
#3
Marianela Saldías, Jorge Manzur, Rodrigo E Palacios, María L Gómez, Julio De La Fuente, Germán Günther, Nancy Pizarro, Andrés Vega
Lithium diphenylphosphide unexpectedly provokes the ring-opening of tetrahydrofuran (THF) and by reaction with 3,6-dichloropyridazine leads to the formation of the ligand 3-chloro-6-(4-diphenylphosphinyl)butoxypyridazine (P⋯N), which was isolated. The reaction of this ligand with the (Re(CO)3(THF)Br)2 dimer yields the novel complex [Br(CO)3Re(μ-3-chloro-6-(4-diphenylphosphinyl)butoxypyridazine)2Re(CO)3Br] (BrRe(P⋯N)(N⋯P)ReBr), which was crystallized in the form of a chloroform solvate, (C46H40Br2Cl2N4O8P2Re2)·(CHCl3)...
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28090075/virus-host-interactions-and-their-roles-in-coral-reef-health-and-disease
#4
Rebecca Vega Thurber, Jérôme P Payet, Andrew R Thurber, Adrienne M S Correa
Coral reefs occur in nutrient-poor shallow waters, constitute biodiversity and productivity hotspots, and are threatened by anthropogenic disturbance. This Review provides an introduction to coral reef virology and emphasizes the links between viruses, coral mortality and reef ecosystem decline. We describe the distinctive benthic-associated and water-column- associated viromes that are unique to coral reefs, which have received less attention than viruses in open-ocean systems. We hypothesize that viruses of bacteria and eukaryotes dynamically interact with their hosts in the water column and with scleractinian (stony) corals to influence microbial community dynamics, coral bleaching and disease, and reef biogeochemical cycling...
January 16, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/28087579/differential-host-plant-associated-genetic-variation-between-sympatric-mite-species-of-the-genus-oligonychus-acari-tetranychidae
#5
Stephanie Guzman-Valencia, Ma Teresa Santillán-Galicia, Ariel W Guzmán-Franco, Ricardo Vega-Muñoz
Adaptation to different host plants can lead to host-associated differentiation (HAD). The mites Oligonychus perseae and Oligonychus punicae have a broad range of host plants, but, to date, records of them coexisting sympatrically had only been reported on avocado. However, our field observations showed both species coexisting on host plants other than avocado. The lack of previous records of these mites on the host plants studied here suggests only recent divergence to new host plant species. Previous studies showed that O...
January 12, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28087292/loss-of-cd28-within-cd4-t-cell-subsets-from-cervical-cancer-patients-is-accompanied-by-the-acquisition-of-intracellular-perforin-and-is-further-enhanced-by-nkg2d-expression
#6
Marta Escarra-Senmarti, Miriam Ruth Bueno-Topete, Luis Felipe Jave-Suarez, Eduardo Gomez-Bañuelos, Jorge Gutierrez-Franco, Natali Vega-Magaña, Adriana Aguilar-Lemarroy, Ana Laura Pereira-Suarez, Jesse Haramati, Susana Del Toro-Arreola
CD28 is well characterized as an essential co-stimulatory receptor critical for activation, proliferation and survival processes in CD4(+) T cells. Populations of CD4(+)CD28(null) T cells, with apparently contradictory physiological roles, have recently been reported, along with the co-expression of the NK activating receptor NKG2D, in autoimmune diseases and chronic viral inflammation. Paradoxically, studies in cancer suggest that an expanded CD4(+)NKG2D(+) population may be armed with immunosuppressive properties...
January 10, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28076856/mri-differences-associated-with-intrauterine-growth-restriction-in-preterm-infants
#7
Christie J Bruno, Shreyans Bengani, William A Gomes, Mariana Brewer, Melissa Vega, Xianhong Xie, Mimi Kim, Mamta Fuloria
BACKGROUND: Preterm infants are at risk for neurodevelopmental impairment. Intrauterine growth restriction (IUGR) further increases this risk. Brain imaging studies are often utilized at or near term-equivalent age to determine later prognosis. OBJECTIVE: To evaluate the association between intrauterine growth and regional brain volume on MRI scans performed in preterm infants at or near term-equivalent age. METHODS: This is a retrospective case-control study of 24 infants born at gestational age ≤30 weeks and cared for in a large, inner-city, academic neonatal intensive-care unit from 2012 to 2013...
January 11, 2017: Neonatology
https://www.readbyqxmd.com/read/28076611/sarcopenia-and-chemotherapy-mediated-toxicity
#8
Maria Cecília Monteiro Dela Vega, Alessandro Laviano, Gustavo Duarte Pimentel
This narrative review focuses on the role of sarcopenia and chemotherapy-induced toxicity in cancer patients. Consistent evidence shows that sarcopenia in cancer patients leads to decreased overall survival by influencing treatment discontinuation and dose reduction. Therefore, sarcopenia should be considered a robust prognostic factor of negative outcome as well as a determinant of increased healthcare costs. RESUMO Esta revisão narrativa descreve o papel da sarcopenia e a toxicidade mediada pela quimioterapia em pacientes com câncer...
October 2016: Einstein
https://www.readbyqxmd.com/read/28074992/-antineutrophil-cytoplasmic-antibody-anca-associated-renal-vasculitis-and-pregnancy-report-of-one-case
#9
Jorge Vega, Gonzalo P Méndez
ANCA mediated vasculitis mainly occur between the fourth and fifth decade of life; therefore, it is very uncommon to see pregnant patients with the disease. Vasculitis may affect significantly the course of pregnancy; in turn pregnancy can change the course of vasculitis. We report a 20 years old woman with ANCA-mediated renal vasculitis lasting 10 years who consulted with a pregnancy of 15 weeks. She was in remission and had amenorrhea attributed to ovarian toxicity due to cyclophosphamide. Pregnancy had an uneventful course with spontaneous delivery at the 37th week, giving birth to a healthy newborn...
October 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28074983/-role-of-coronary-computed-tomography-angiography-for-the-diagnosis-of-coronary-anomalies
#10
Rienzi Díaz, Jorge Vega
BACKGROUND: Coronary anomalies are rare heart diseases that can cause sudden cardiac death, especially in young individuals. Coronary computed tomography angiography delivers a three-dimensional view of excellent quality with information of the origin, course and anatomic relationships of the anomalous vessel, allowing differentiation between benign and malignant variants, entities that require different management and treatment. AIM: To show that coronary computed tomography angiography is the non-invasive technique of choice for the evaluation of a coronary anomaly due to its high diagnostic accuracy...
October 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28070557/resource-tracking-within-and-across-continents-in-long-distance-bird-migrants
#11
Kasper Thorup, Anders P Tøttrup, Mikkel Willemoes, Raymond H G Klaassen, Roine Strandberg, Marta Lomas Vega, Hari P Dasari, Miguel B Araújo, Martin Wikelski, Carsten Rahbek
Migratory birds track seasonal resources across and between continents. We propose a general strategy of tracking the broad seasonal abundance of resources throughout the annual cycle in the longest-distance migrating land birds as an alternative to tracking a certain climatic niche or shorter-term resource surplus occurring, for example, during spring foliation. Whether and how this is possible for complex annual spatiotemporal schedules is not known. New tracking technology enables unprecedented spatial and temporal mapping of long-distance movement of birds...
January 2017: Science Advances
https://www.readbyqxmd.com/read/28069253/which-antihypertensive-drug-should-be-used-in-patients-with-cerebrovascular-disease-to-prevent-a-new-stroke
#12
Luis Castilla-Guerra, María Del Carmen Fernandez-Moreno, Juan Manuel de la Vega-Sánchez
No abstract text is available yet for this article.
January 6, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28068335/dengue-in-latin-america-systematic-review-of-molecular-epidemiological-trends
#13
José Ramos-Castañeda, Flavia Barreto Dos Santos, Ruth Martínez-Vega, Josélio Maria Galvão de Araujo, Graham Joint, Elsa Sarti
Dengue, the predominant arthropod-borne viral disease affecting humans, is caused by one of four distinct serotypes (DENV-1, -2, -3 or -4). A literature analysis and review was undertaken to describe the molecular epidemiological trends in dengue disease and the knowledge generated in specific molecular topics in Latin America, including the Caribbean islands, from 2000 to 2013 in the context of regional trends in order to identify gaps in molecular epidemiological knowledge and future research needs. Searches of literature published between 1 January 2000 and 30 November 2013 were conducted using specific search strategies for each electronic database that was reviewed...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28066708/right-inferior-frontal-cortex-activity-correlates-with-tolcapone-responsivity-in-problem-and-pathological-gamblers
#14
Andrew S Kayser, Taylor Vega, Dawn Weinstein, Jan Peters, Jennifer M Mitchell
Failures of self-regulation in problem and pathological gambling (PPG) are thought to emerge from failures of top-down control, reflected neurophysiologically in a reduced capacity of prefrontal cortex to influence activity within subcortical structures. In patients with addictions, these impairments have been argued to alter evaluation of reward within dopaminergic neuromodulatory systems. Previously we demonstrated that augmenting dopamine tone in frontal cortex via use of tolcapone, an inhibitor of the dopamine-degrading enzyme catechol-O-methyltransferase (COMT), reduced delay discounting, a measure of impulsivity, in healthy subjects...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28062234/in-vitro-antiprotozoal-activity-of-s-cis-verbenol-against-leishmania-spp-and-trypanosoma-cruzi
#15
Gloria Yaluff, Celeste Vega, Nelson Alvarenga
(S)-cis-Verbenol, a monoterpene frequently found as a component of essential oils, was assayed against Leishmania amazonensis, Leishmania infantum, Leishmania brasiliensis and against two strains of Trypanosoma cruzi. The cytotoxicity of the compound was also assayed against human fibroblast cells using a colorimetric method. Benznidazole was used as reference drug against T. cruzi and amphotericin B was used against Leishmania spp. The compound showed good activity against the trypanosomes, being more active against the CL Brenner strain, with an IC50 value of 8...
January 3, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28062188/a-comprehensive-analysis-and-immunobiology-of-autoimmune-neurological-syndromes-during-the-zika-virus-outbreak-in-c%C3%A3%C2%BAcuta-colombia
#16
Juan-Manuel Anaya, Yhojan Rodríguez, Diana M Monsalve, Daniel Vega, Ernesto Ojeda, Diana González-Bravo, Mónica Rodríguez-Jiménez, Carlos A Pinto-Díaz, Pablo Chaparro, María L Gunturiz, Aftab A Ansari, M Eric Gershwin, Nicolás Molano-González, Carolina Ramírez-Santana, Yeny Acosta-Ampudia
We have focused on the epidemiology and immunobiology of Zika virus (ZIKV) infection and factors associated with the development of Guillain-Barré syndrome (GBS) and other neurological syndromes in Cúcuta, the capital of North Santander department, Colombia. Data of patients with ZIKV disease reported to the national population-based surveillance system were used to calculate the basic reproduction number (R0) and the attack rates (ARs) as well as to develop epidemiological maps. Patients with neurological syndromes were contacted and their diagnoses were confirmed...
January 3, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28062129/-methodological-guideline-for-the-efficacy-and-safety-assessment-of-new-pharmaceuticals-implementation-of-eunethta-s-recommendations
#17
Ruth Ubago Pérez, María Auxiliadora Castillo Muñoz, Mercedes Galván Banqueri, Raúl García Estepa, Eva Rocío Alfaro Lara, María Dolores Vega Coca, Carmen Beltrán Calvo, Teresa Molina López
The European network for Health Technology Assessment (EUnetHTA) is the network of public health technology assessment (HTA) agencies and entities from across the EU. In this context, the HTA Core Model(®), has been developed. The Andalusian Agency for Health Technology Assessment (AETSA) is a member of the Spanish HTA Network and EUnetHTA collaboration In addition, AETSA participates in the new EUnetHTA Joint Action 3 (JA, 2016-2019). Furthermore, AETSA works on pharmaceutical assessments. Part of this work involves drafting therapeutic positioning reports (TPRs) on drugs that have recently been granted marketing authorisation, which is overseen by the Spanish Agency of Medicines and Medical Devices (AEMPS)...
January 3, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28060986/-ultrastructural-alterations-in-renal-biopsy-leading-to-the-diagnosis-of-hiv-infection
#18
Jorge Vega, M Elizabeth Barthel, Gonzalo P Méndez
HIV infection has different clinical presentations. We report a 21-year-old male with longstanding isolated microscopic hematuria attributed to thin glomerular basement membrane disease, who after 15 years of follow-up presented with significant proteinuria. A kidney biopsy was performed, revealing the presence of tubulo-reticular inclusions in the glomerular endothelial cells. This finding led to suspect an HIV infection, which was verified. Antiretroviral therapy, angiotensin-converting enzyme and angiotensin II receptor blockers were prescribed...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28060978/-ingesta-de-hidratos-de-carbono-y-%C3%A3-cidos-grasos-de-la-dieta-en-sujetos-con-esquizofrenia-y-trastorno-bipolar-y-su-asociaci%C3%A3-n-con-par%C3%A3-metros-antropom%C3%A3-tricos
#19
Natalia Santillana T, Álvaro Cavieres F, Claudia Vega S
BACKGROUND: People with psychiatric disorders have higher rates of obesity, diabetes mellitus and dyslipidemia. These comorbidities are associated with the underlying psychopathology and drug therapy. AIM: To determine the quality and quantity of carbohydrates and fatty acids in the diet and their association with anthropometric parameters in subjects with schizophrenia and bipolar disorders. PATIENTS AND METHODS: We studied 30 patients with schizophrenia and bipolar disorders in treatment with atypical antipsychotics or mood stabilizers...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28060462/end-of-life-care-for-people-dying-with-dementia-in-general-practice-in-belgium-italy-and-spain-a-cross-sectional-retrospective-study
#20
Yolanda W H Penders, Gwenda Albers, Luc Deliens, Guido Miccinesi, Tomás Vega Alonso, Maite Miralles, Sarah Moreels, Lieve Van den Block
AIM: To describe and compare end-of-life care for people with mild or severe dementia in general practice in Belgium, Italy and Spain, in terms of place of care, place of death, treatment aims, use of specialized palliative care and communication with general practitioners (GPs). METHODS: Cross-sectional retrospective survey was carried out of nationwide networks of GPs in Belgium, Italy and Spain, including patients who died aged 65 years or older in 2009-2011 and were judged by the GP to have had dementia (n = 1623)...
January 6, 2017: Geriatrics & Gerontology International
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