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https://www.readbyqxmd.com/read/28921876/validation-of-artificial-neural-networks-as-a-methodology-for-donor-recipient-matching-for-liver-transplantation
#1
María Dolores Ayllón, Rubén Ciria, Manuel Cruz-Ramírez, María Pérez-Ortiz, Roberto Valente, John O'Grady, Manuel de la Mata, César Hervás-Martínez, Nigel D Heaton, Javier Briceño
BACKGROUND: In 2014, we reported a model for Donor-Recipient matching (D-R) in liver transplantation (LT) based on artificial-neural-networks (ANN) from a Spanish multicentre study (MADR-E: Model for Allocation of Donor and Recipient in España). The aim is to test the ANN-based methodology in a different European-healthcare system in order to validate it. METHODS: An ANN model was designed using a cohort of patients from King's College Hospital (KCH) (N=822). The ANN was trained and tested using KCH pairs for both 3- and 12-months survival models...
September 16, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28918478/an-ibero-american-inter-laboratory-trial-to-evaluate-serological-tests-for-the-detection-of-anti-neospora-caninum-antibodies-in-cattle
#2
Lucía M Campero, Javier Moreno-Gonzalo, María C Venturini, Gastón Moré, Andrea Dellarupe, Magdalena Rambeaud, Ignacio E Echaide, Beatriz Valentini, Carlos M Campero, Dadín P Moore, Dora B Cano, Marcelo Fort, Rinaldo A Mota, Marcos E Serrano-Martínez, Carlos Cruz-Vázquez, Luis M Ortega-Mora, Gema Álvarez-García
We carried out an inter-laboratory trial to compare the serological tests commonly used for the detection of specific Neospora caninum antibodies in cattle in Ibero-American countries. A total of eight laboratories participated from the following countries: Argentina (n = 4), Brazil (n = 1), Peru (n = 1), Mexico (n = 1), and Spain (n = 1). A blind panel of well-characterized cattle sera (n = 143) and sera representative of the target population (n = 351) was tested by seven in-house indirect fluorescent antibody tests (IFATs 1-7) and three enzyme-linked immunosorbent assays (ELISAs 1-3; two in-house and one commercial)...
September 16, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28917708/type-2-diabetes-mellitus-balb-c-mice-are-more-susceptible-to-granulomatous-amoebic-encephalitis-immunohistochemical-study
#3
Maritza Omaña-Molina, Raquel Sanchez-Rocha, Dolores Hernandez-Martinez, Miriam Romero Grijalva, Citlaltepetl Salinas-Lara, Miriam Rodriguez-Sosa, Imelda Juarez-Avelar, Lizbeth Salazar-Villatoro, Arturo Gonzalez-Robles, Adolfo Rene Mendez-Cruz, Patricia Aley-Medina, Jesus Espinosa-Villanueva, Ismael Castelan-Ramirez, Jacob Lorenzo-Morales
Granulomatous amoebic encephalitis (GAE) is a chronic, difficult to resolve infection caused by amphizoic amoebae of the genus Acanthamoeba, which in most cases occurs in immunosuppressed persons or with chronic diseases such as diabetes. In this study, we describe the early events of A. culbertsoni infection of GAE in diabetic mice model. Diabetes was induced in male BALB/c mice, with a dose of streptozotocin (130 mg/kg). Healthy and diabetic mice were inoculated via intranasal with 1 × 10(6) trophozoites of A...
September 13, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28912049/two-novel-mutations-in-zap70-gene-that-result-in-human-immunodeficiency
#4
Beatriz Adriana Llamas-Guillén, Nina Pastor, Gabriela López-Herrera, Maria Edith González-Serrano, Lucero Valenzuela-Vázquez, Maria Elena Bravo-Adame, Tania Maria Villanueva-Cabello, Paul Gaytán, Jorge Yañez, Ivan Martinez-Duncker, Miguel Ruiz-Fernández, André Veillette, Sara Elva Espinosa-Padilla, Mario Ernesto Cruz-Munoz
No abstract text is available yet for this article.
September 11, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28902316/dietary-intake-and-adequacy-of-energy-and-nutrients-in-mexican-older-adults-results-from-two-national-health-and-nutrition-surveys
#5
Vanessa De la Cruz-Góngora, Brenda Martínez-Tapia, Lucía Cuevas-Nasu, Mario Flores-Aldana, Teresa Shamah-Levy
Objective: To describe energy and nutrient intakes and their adequacies in older Mexican adults participating in the National Health and Nutrition Survey (Ensanut) 2006 and 2012. Materials and methods: Dietary information was obtained through a semiquantitative food frequency questionnaire (SFFQ) from 526 adults 60 y and older participating in Ensanut 2012 and 3 326 in Ensanut 2006 in Mexico. Quantile and logistic regression models were used to obtain medians and marginal effects of each nutrient, adjusting by confounders and survey design...
May 2017: Salud Pública de México
https://www.readbyqxmd.com/read/28902271/-clinical-and-epidemiological-characterization-of-chikungunya-fever-in-mexico
#6
Carolina Garay-Morán, Juan Francisco Román-Pedroza, Irma López-Martínez, José Cruz Rodríguez-Martínez, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, José Alberto Díaz-Quiñonez
On 6 December 2013, the Pan American Health Organization (PAHO) and the World Health Organization (WHO) reported confirmation of the first two cases of indigenous transmission of chikungunya fever (CHIK) in the Region of the Americas on the island of Sint Maarten (Netherlands Antilles). For the period 2013-2014, a total of 25 627 confirmed autochthonous cases were distributed in 43 countries, with Mexico reporting 155 cases in five states. Information on cases of CHIK in Mexico was obtained from the database of the General Directorate of Epidemiology (Ministry of Health of Mexico)...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28894242/complementary-acsl-isoforms-contribute-to-a-non-warburg-advantageous-energetic-status-characterizing-invasive-colon-cancer-cells
#7
Ruth Sánchez-Martínez, Silvia Cruz-Gil, María Soledad García-Álvarez, Guillermo Reglero, Ana Ramírez de Molina
Metabolic reprogramming is one of cancer hallmarks. Here, we focus on functional differences and individual contribution of acyl coA synthetases (ACSL) isoforms to the previously described ACSL/stearoyl-CoA desaturase (ACSL1/ACSL4/SCD) metabolic network causing invasion and poor prognosis in colorectal cancer (CRC). ACSL4 fuels proliferation and migration accompanied by a more glycolytic phenotype. Conversely, ACSL1 stimulates invasion displaying a lower basal respiratory rate. Acylcarnitines elevation, polyunsaturated fatty acids (PUFA) lower levels, and monounsaturated fatty acids (MUFA) upregulation characterize the individual overexpression of ACSL1, ACSL4 and SCD, respectively...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28890038/improving-the-efficiency-of-auditory-brainstem-responses-in-newborns-using-a-60clicks-s-stimulation-rate
#8
Lourdes Cubero-Rego, Josefina Ricardo-Garcell, María Corsi-Cabrera, Rogelio Cruz-Martínez, Carlos Rebolledo-Fernández, Gloria Otero-Ojeda, Thalía Harmony
Recent evidence suggests that Auditory Brainstem Responses (ABR), in neonates with risk factors for neurological damage, may show auditory brainstem abnormalities, even in patients with normal hearing. To compare the recording and diagnostic accuracy of neonatal Auditory Brainstem Responses (ABR), using 10 and 60clicks/s stimulation rates, two groups of neonates were prospectively studied: 30 healthy full-term neonates, with no peri- or postnatal complications; and 30 high-risk newborns with two or more of the following conditions: hyperbilirubinemia, use of ototoxic drugs, birth weight inferior to 1500g, perinatal sepsis, intraventricular hemorrhage, and/or mechanical ventilation...
September 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28873753/effect-of-the-fruit-position-on-the-cluster-on-fruit-quality-carotenoids-phenolics-and-sugars-in-cherry-tomatoes-solanum-lycopersicum-l
#9
Elena Coyago-Cruz, Mireia Corell, Alfonso Moriana, Dolores Hernanz, Carla M Stinco, Antonio J Meléndez-Martínez
Cherry tomato varieties are widely consumed in many countries. They contain nutrients and health-promoting compounds like phenolics and carotenoids. The main purpose of this study was to determine how the fruit position on the cluster affected quality parameters of diverse nature (weight, soluble solids, firmness, colour, carotenoids, phenolic compounds and sugars). For this purpose the fourth cluster of two cherry varieties (Summerbrix and Lazarino) were studied. The results indicated that the fruit position on the cluster decreased the fruit size between 14 and 16% and weight 40%; firmness in 'Lazarino' increased 56%; C*ab increased 12% in 'Lazarino' and decreased 13% in 'Summerbrix'; hab increased 9% in 'Summerbrix'...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28871362/electrocardiographic-markers-of-appropriate-implantable-cardioverter-defibrillator-therapy-in-young-people-with-congenital-heart-diseases
#10
Dunia Bárbara Benítez Ramos, Michel Cabrera Ortega, Jesús Castro Hevia, Margarita Dorantes Sánchez, Ailema Amelia Alemán Fernández, Osmin Castañeda Chirino, Marlenis Cruz Cardentey, Frank Martínez López, Roylan Falcón Rodríguez
Implantable cardioverter-defibrillators (ICDs) are increasingly utilized in patients with congenital heart disease (CHD). Prediction of the occurrence of shocks is important if improved patient selection is desired. The electrocardiogram (ECG) has been the first-line tool predicting the risk of sudden death, but data in CHD patients are lacking. We aim to evaluate the predictive value of electrocardiographic markers of appropriate therapy of ICD in young people with CHD. We conducted a prospective, longitudinal study, in twenty-six CHD patients (mean age 24...
September 4, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28870247/seropositivity-for-trypanosoma-cruzi-in-domestic-dogs-from-sonora-mexico
#11
Minerva Arce-Fonseca, Silvia C Carrillo-Sánchez, Ramón M Molina-Barrios, Mariana Martínez-Cruz, Jesús R Cedillo-Cobián, Yuly A Henao-Díaz, Olivia Rodríguez-Morales
BACKGROUND: Chagas disease is an important health problem in Latin America due to its incapacitating effects and associated mortality. Studies on seropositivity for Trypanosoma cruzi in Mexican dogs have demonstrated a direct correlation between seropositivity in humans and dogs, which can act as sentinels for the disease in this region. The objective of this study was to determine the seropositivity for T.cruzi infection in dogs from Sonora, a northern borderstate of Mexico. METHODS: Responsible pet owners were selected at random from an urban area of Empalme municipality, Sonora, Mexico, and from there, 180 dog samples were collected...
September 5, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28863641/a-high-resolution-frequency-variable-experimental-setup-for-studying-ferrofluids-used-in-magnetic-hyperthermia
#12
E E Mazon, E Villa-Martínez, A Hernández-Sámano, T Córdova-Fraga, J J Ibarra-Sánchez, H A Calleja, J A Leyva Cruz, A Barrera, J C Estrada, J A Paz, L H Quintero, M E Cano
A scanning system for specific absorption rate of ferrofluids with superparamagnetic nanoparticles is presented in this study. The system contains an induction heating device designed and built with a resonant inverter in order to generate magnetic field amplitudes up to 38 mT, over the frequency band 180-525 kHz. Its resonant circuit involves a variable capacitor with 1 nF of capacitance steps to easily select the desired frequency, reaching from 0.3 kHz/nF up to 5 kHz/nF of resolution. The device performance is characterized in order to compare with the theoretical predictions of frequency and amplitude, showing a good agreement with the resonant inverters theory...
August 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28838971/a-loss-of-function-splice-acceptor-variant-in-igf2-is-protective-for-type-2-diabetes
#13
Josep M Mercader, Rachel G Liao, Avery Bell, Zachary Dymek, Karol Estrada, Taru Tukiainen, Alicia Huerta-Chagoya, Hortensia Moreno-Macías, Kathleen A Jablonski, Robert L Hanson, Geoffrey A Walford, Ignasi Moran, Ling Chen, Vineeta Agarwala, María Luisa Ordoñez-Sánchez, Rosario Rodríguez-Guillen, Maribel Rodríguez-Torres, Yayoi Segura-Kato, Humberto García-Ortiz, Federico Centeno-Cruz, Francisco Barajas-Olmos, Lizz Caulkins, Sobha Puppala, Pierre Fontanillas, Amy Williams, Sílvia Bonàs-Guarch, Chris Hartl, Stephan Ripke, Katherine Tooley, Jacqueline Lane, Carlos Zerrweck, Angélica Martínez-Hernández, Emilio J Córdova, Elvia Mendoza-Caamal, Cecilia Contreras-Cubas, María E González-Villalpando, Ivette Cruz-Bautista, Liliana Muñoz-Hernández, Donaji Gómez-Velasco, Ulises Alvirde, Brian E Henderson, Lynne R Wilkens, Loic Le Marchand, Olimpia Arellano-Campos, Laura Riba, Maegan Harden, Broad Genomics Platform, Stacey Gabriel, Hanna E Abboud, Maria L Cortes, Cristina Revilla-Monsalve, Sergio Islas-Andrade, Xavier Soberon, Joanne E Curran, Christopher P Jenkinson, Ralph A DeFronzo, Donna M Lehman, Craig L Hanis, Graeme I Bell, Michael Boehnke, John Blangero, Ravindranath Duggirala, Richa Saxena, Daniel MacArthur, Jorge Ferrer, Steven A McCarroll, David Torrents, William C Knowler, Leslie J Baier, Noel Burtt, Clicerio González-Villalpando, Christopher A Haiman, Carlos A Aguilar-Salinas, Teresa Tusié-Luna, Jason Flannick, Suzanne B R Jacobs, Lorena Orozco, David Altshuler, Jose C Florez
Type 2 diabetes (T2D) affects more than 415 million people worldwide and its costs to the health care system continue to rise. To identify common or rare genetic variation with potential therapeutic implications for T2D, we analyzed and replicated genome-wide protein coding variation in a total of 8,227 individuals with T2D and 12,966 individuals without T2D of Latino descent. We identified a novel genetic variant in the IGF2 gene associated with ∼20% reduced risk for T2D. This variant, which has an allele frequency of 17% in the Mexican population but is rare in Europe, prevents splicing between IGF2 exons 1 and 2...
August 24, 2017: Diabetes
https://www.readbyqxmd.com/read/28821297/differential-expression-of-osteopontin-and-osteoprotegerin-mrna-in-epicardial-adipose-tissue-between-patients-with-severe-coronary-artery-disease-and-aortic-valvular-stenosis-association-with-hdl-subclasses
#14
María Luna-Luna, David Cruz-Robles, Nydia Ávila-Vanzzini, Valentín Herrera-Alarcón, Jesús Martínez-Reding, Sergio Criales-Vera, Julio Sandoval-Zárate, Jesús Vargas-Barrón, Carlos Martínez-Sánchez, Armando Roberto Tovar-Palacio, José Manuel Fragoso, Elizabeth Carreón-Torres, Gilberto Vargas-Alarcón, Óscar Pérez-Méndez
BACKGROUND: Previous studies suggest a relationship of the epicardial adipose tissue (EAT) with progression and calcification of the atherosclerotic plaque; however, it is unknown if this tissue expresses genes that may participate on these processes and if the expression of these genes is regulated by high-density lipoprotein (HDL) subclasses. METHODS: To explore this possibility, we determined the mRNA expression by qPCR of a pro-calcifying gene (osteopontin (OPN)), and two anti-calcifying genes (osteoprotegerin (OPG) and osteonectin (ON)), in biopsies of EAT obtained from 15 patients with coronary artery disease (CAD) determined by angiography, and 15 patients with diagnostic of aortic valve stenosis but without CAD as control group...
August 18, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28809780/fenton-discoloration-of-ultrasonicated-purple-cactus-pear-juice
#15
Isidro Reyes-Hernández, Nelly Del S Cruz-Cansino, Ingrid Renata Santander-Martínez, Ernesto Alanís-García, Luis Delgado-Olivares, Esther Ramírez-Moreno, José A Ariza-Ortega, Ariana Omaña-Covarrubias, Jesús Martín Torres-Valencia, José de Jesús Manríquez-Torres
The aim of this study was to evaluate the stability of color, betaxanthin, and betacyanin pigments in the presence of Cu(II)-dependent hydroxyl radicals (HO•) from ultrasonicated purple cactus pear juice at amplitudes of 40%, 60%, and 80%, in comparison to untreated sample. L* parameter of juice treated at 40% and 80% amplitude for 25 and 15 min, respectively (11.3 and 9.3, respectively), were significantly higher compared to the control; b* and hue parameters of juice treated at 80%, 25 min showed values of 1...
August 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28807323/inlay-butterfly-miringoplasty-our-experience
#16
Paula Cruz Toro, Ángela Callejo Castillo, Rafael Moya Martínez, Iván Domenech Juan
INTRODUCTION: Multiple surgical techniques have been proposed to close tympanic perforations. Eavey, two decades ago, described a technique aimed at closing central perforations in children. For this, he designed a butterfly-shaped cartilage graft that was placed between the tympanic membrane in an inlay manner. This technique showed great effectiveness for the closure of perforations as well as low morbidity, rapidity and great economic difference. METHODS: We performed a descriptive study of a series of cases analysing 32 interventions in children and adults with the modified Eavey technique, during the period from January 2012 to November 2016...
August 11, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28805348/levocarnitine-decreases-intradialytic-hypotension-episodes-a-randomized-controlled-trial
#17
Héctor Raúl Ibarra-Sifuentes, Ángel Del Cueto-Aguilera, Daniel Alberto Gallegos-Arguijo, Sergio Andres Castillo-Torres, Raymundo Vera-Pineda, Rolando Jacob Martínez-Granados, Alexandro Atilano-Díaz, Jesus Eduardo Cuellar-Monterrubio, Cesar Octaviano Pezina-Cantú, Edgar de Jesús Martínez-Guevara, Juan Francisco Ortiz-Treviño, Guillermo Rubén Delgado-García, José Guadalupe Martínez-Jiménez, Jesús Cruz-Valdez, Concepción Sánchez-Martínez
Intradialytic hypotension is common complication in stage 5 chronic kidney disease patients on hemodialysis. Incidence ranges from 15 to 30%. These patients have levocarnitine deficiency. A randomized, placebo-controlled quadruple-blinded trial was designed to demonstrate the levocarnitine efficiency on intradialytic hypotension prevention. Patients were randomized into four groups, to receive levocarnitine or placebo. During the intervention period, levocarnitine and placebo was administered 0 and 30 min before each hemodialysis session, respectively...
August 14, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28793364/melatonin-reduces-inflammatory-response-in-peripheral-t-helper-lymphocytes-from-relapsing-remitting-multiple-sclerosis-patients
#18
Nuria Álvarez-Sánchez, Ivan Cruz-Chamorro, María Díaz-Sánchez, Helia Sarmiento-Soto, Pablo Medrano-Campillo, Alicia Martínez-López, Patricia J Lardone, Juan M Guerrero, Antonio Carrillo-Vico
Multiple sclerosis (MS) is a neuroinflammatory disease of the central nervous system in which the immune system plays a central role. In particular, effector populations such as T helper (Th) 1, Th9, Th17, and Th22 cells are involved in disease development, whereas T regulatory cells (Tregs) are associated with the resolution of the disease. Melatonin levels are impaired in patients with MS, and exogenous melatonin ameliorates the disease in MS animal models by modulating the Th1/Th17/Treg responses and also improves quality of life and several symptoms in patients with MS...
August 9, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28782440/colloidal-synthesis-of-biocompatible-iron-disulphide-nanocrystals
#19
J Santos-Cruz, R E Nuñez-Anita, S A Mayén-Hernández, O Martínez-Alvarez, L S Acosta-Torres, J de la Fuente-Hernández, E Campos-González, M Vega-González, M C Arenas-Arrocena
The aim of this research was to synthesis biocompatible iron disulphide nanocrystals at different reaction temperatures using the colloidal synthesis methodology. Synthesis was conducted at the 220-240 °C range of reaction temperatures at intervals of 5 °C in an inert argon atmosphere. The toxicity of iron disulphide nanocrystals was evaluated in vitro using mouse fibroblast cell line. Two complementary assays were conducted: the first to evaluate cell viability of the fibroblast via an MTT assay and the second to determine the preservation of fibroblast nuclei integrity through DAPI staining, which labels nuclear DNA in fluorescence microscopes...
August 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28781825/hepatotoxicity-after-high-dose-intravenous-methylprednisolone-in-multiple-sclerosis-patients
#20
Milagros Hidalgo de la Cruz, Jahir Andrés Miranda Acuña, Alberto Lozano Ros, María Vega Catalina, Emilio Salinero Paniagua, Gerardo Clemente Ricote, Clara Dionisia De Andrés Frutos, María Luisa Martínez Ginés
Hepatotoxicity is a rare adverse event of methylprednisolone that should be considered in clinical practice. In patients at risk, we propose liver function surveillance, by measuring hepatic enzymes concentration 15-30 days after methylprednisolone administration. Additionally, we propose ACTH, dexamethasone, or plasma exchange as alternate treatment options for these patients.
August 2017: Clinical Case Reports
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