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https://www.readbyqxmd.com/read/28820965/systematic-identification-of-mcu-modulators-by-orthogonal-interspecies-chemical-screening
#1
Daniela M Arduino, Jennifer Wettmarshausen, Horia Vais, Paloma Navas-Navarro, Yiming Cheng, Anja Leimpek, Zhongming Ma, Alba Delrio-Lorenzo, Andrea Giordano, Cecilia Garcia-Perez, Guillaume Médard, Bernhard Kuster, Javier García-Sancho, Dejana Mokranjac, J Kevin Foskett, M Teresa Alonso, Fabiana Perocchi
The mitochondrial calcium uniporter complex is essential for calcium (Ca(2+)) uptake into mitochondria of all mammalian tissues, where it regulates bioenergetics, cell death, and Ca(2+) signal transduction. Despite its involvement in several human diseases, we currently lack pharmacological agents for targeting uniporter activity. Here we introduce a high-throughput assay that selects for human MCU-specific small-molecule modulators in primary drug screens. Using isolated yeast mitochondria, reconstituted with human MCU, its essential regulator EMRE, and aequorin, and exploiting a D-lactate- and mannitol/sucrose-based bioenergetic shunt that greatly minimizes false-positive hits, we identify mitoxantrone out of more than 600 clinically approved drugs as a direct selective inhibitor of human MCU...
August 17, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28820813/reply-role-of-mitomycin-c-in-preventing-capsular-contracture-in-implant-based-reconstructive-breast-surgery-a-randomized-controlled-trial
#2
Maurizio Bruno Nava, Giuseppe Catanuto, Nicola Rocco
No abstract text is available yet for this article.
August 9, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28819323/excessive-body-fat-linked-to-blunted-somatosensory-cortex-response-to-general-reward-in-adolescents
#3
J F Navas, A Barros-Loscertales, V Costumero-Ramos, J Verdejo-Román, R Vilar-López, A Verdejo-García
BACKGROUND AND AIMS: The brain reward system is key to understanding adolescent obesity in the current obesogenic environment, rich in highly appetising stimuli, to which adolescents are particularly sensitive. We aimed to examine the association between body fat levels and brain reward system responsivity to general (monetary) rewards in male and female adolescents. METHOD: Sixty-eight adolescents (34 females; mean age [standard deviation]=16.56 [1.35]) were measured for body fat levels with bioelectric impedance, and underwent a functional magnetic resonance imaging (fMRI) scan during the Monetary Incentive Delay (MID) task...
August 18, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28817468/longitudinal-associations-of-local-cigarette-prices-and-smoking-bans-with-smoking-behavior-in-the-multi-ethnic-study-of-atherosclerosis-mesa
#4
Stephanie L Mayne, Amy H Auchincloss, Mark F Stehr, David M Kern, Ana Navas-Acien, Joel D Kaufman, Yvonne L Michael, Ana V Diez Roux
BACKGROUND: Few studies have examined associations of geographically proximal cigarette prices with within-person changes in smoking outcomes, or assessed interactions between cigarette prices and smoking bans. METHODS: We linked neighborhood cigarette prices (inflation-adjusted) at chain supermarkets and drug stores and bar/restaurant smoking ban policies to cohort participants (632 smokers from the Multi-Ethnic Study of Atherosclerosis, 2001-2012, baseline mean aged 58) using geocoded retailer and participant addresses...
August 16, 2017: Epidemiology
https://www.readbyqxmd.com/read/28814514/ba71%C3%AE-cd2-a-new-recombinant-live-attenuated-african-swine-fever-virus-with-cross-protective-capabilities
#5
Paula L Monteagudo, Anna Lacasta, Elisabeth López, Laia Bosch, Javier Collado, Sonia Pina-Pedrero, Florencia Correa-Fiz, Francesc Accensi, María Jesús Navas, Enric Vidal, María J Bustos, Javier M Rodríguez, Andreas Gallei, Veljko Nikolin, María L Salas, Fernando Rodríguez
African swine fever is a highly contagious viral disease of mandatory declaration to the World Organization for Animal Health (OIE). Lack of available vaccines make its control difficult and thus ASFV represents a major threat to the swine industry. Inactivated vaccines do not confer solid protection against African swine fever virus (ASFV). Conversely, live attenuated viruses (LAV), either naturally isolated or obtained by genetic manipulation, have demonstrated reliable protection against homologous ASFV strains, albeit little or no protection has been demonstrated against heterologous viruses...
August 16, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28813444/effect-of-a-brief-intervention-for-alcohol-and-illicit-drug-use-on-trauma-recidivism-in-a-cohort-of-trauma-patients
#6
Sergio Cordovilla-Guardia, Enrique Fernández-Mondéjar, Raquel Vilar-López, Juan F Navas, Mónica Portillo-Santamaría, Sergio Rico-Martín, Pablo Lardelli-Claret
OBJECTIVE: Estimate the effectiveness of brief interventions in reducing trauma recidivism in hospitalized trauma patients who screened positive for alcohol and/or illicit drug use. METHODS: Dynamic cohort study based on registry data from 1818 patients included in a screening and brief intervention program for alcohol and illicit drug use for hospitalized trauma patients. Three subcohorts emerged from the data analysis: patients who screened negative, those who screened positive and were offered brief intervention, and those who screened positive and were not offered brief intervention...
2017: PloS One
https://www.readbyqxmd.com/read/28807770/gsta1-genetic-variants-and-conditioning-regimen-missing-key-factors-in-dosing-guidelines-of-busulfan-in-pediatric-hematopoietic-stem-cell-transplantation
#7
T Nava, M A Rezgui, Crs Uppugunduri, P Huezo-Diaz Curtis, Y Théoret, M Duval, L E Daudt, M Ansari, M Krajinovic, H Bittencourt
Busulfan (Bu) is a key component of conditioning regimens used prior to hematopoietic stem cell transplantation (SCT) in children. Different predictive methods have been used to calculate the Bu first-dose. To evaluate the necessity of further improvements, we retrospectively analyzed the currently available weight- and age-based guidelines to calculate the first doses in 101 children who underwent allogenic SCT in CHU Sainte-Justine, Montreal, following an intravenous Bu-containing conditioning regimen according to genetic and clinical factors...
August 11, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28805548/when-is-a-lie-acceptable-work-and-private-life-lying-acceptance-depends-on-its-beneficiary
#8
Katarzyna Cantarero, Piotr Szarota, Eftychia Stamkou, Marisol Navas, Alejandra Del Carmen Dominguez Espinosa
In this article we show that when analyzing attitude towards lying in a cross-cultural setting, both the beneficiary of the lie (self vs other) and the context (private life vs. professional domain) should be considered. In a study conducted in Estonia, Ireland, Mexico, The Netherlands, Poland, Spain, and Sweden (N = 1345), in which participants evaluated stories presenting various types of lies, we found usefulness of relying on the dimensions. Results showed that in the joint sample the most acceptable were other-oriented lies concerning private life, then other-oriented lies in the professional domain, followed by egoistic lies in the professional domain; and the least acceptance was shown for egoistic lies regarding one's private life...
August 14, 2017: Journal of Social Psychology
https://www.readbyqxmd.com/read/28798383/novel-giardicidal-compounds-bearing-proton-pump-inhibitor-scaffold-proceeding-through-triosephosphate-isomerase-inactivation
#9
B Hernández-Ochoa, G Navarrete-Vázquez, C Nava-Zuazo, A Castillo-Villanueva, S T Méndez, A Torres-Arroyo, S Gómez-Manzo, J Marcial-Quino, M Ponce-Macotela, Y Rufino-González, M Martínez-Gordillo, G Palencia-Hernández, N Esturau-Escofet, E Calderon-Jaimes, J Oria-Hernández, H Reyes-Vivas
Giardiasis is a worldwide parasitic disease that affects mainly children and immunosuppressed people. Side effects and the emergence of resistance over current used drugs make imperative looking for new antiparasitics through discovering of new biological targets and designing of novel drugs. Recently, it has determined that gastric proton-pump inhibitors (PPI) have anti-giardiasic activity. The glycolytic enzyme, triosephosphate isomerase (GlTIM), is one of its potential targets. Therefore, we employed the scaffold of PPI to design new compounds aimed to increase their antigiardial capacity by inactivating GlTIM...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796632/the-association-of-arsenic-metabolism-with-cancer-cardiovascular-disease-and-diabetes-a-systematic-review-of-the-epidemiological-evidence
#10
Chin-Chi Kuo, Katherine A Moon, Shu-Li Wang, Ellen Silbergeld, Ana Navas-Acien
BACKGROUND: The available evidence on the role of arsenic metabolism in individual susceptibility to the development of cancer, cardiovascular disease, and diabetes has not been formally and comprehensively reviewed. OBJECTIVES: Our goal was to systematically investigate the association of arsenic metabolism with cancer, cardiovascular disease, and diabetes-related outcomes in epidemiologic studies. As a secondary objective, we characterized the variation of arsenic metabolism in different populations worldwide...
August 1, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28794885/molecular-identification-of-nocardia-species-using-the-soda-gene-identificaci%C3%A3-n-molecular-de-especies-de-nocardia-utilizando-el-gen-soda
#11
K Sánchez-Herrera, H Sandoval, D Mouniee, N Ramírez-Durán, E Bergeron, P Boiron, N Sánchez-Saucedo, V Rodríguez-Nava
Currently for bacterial identification and classification the rrs gene encoding 16S rRNA is used as a reference method for the analysis of strains of the genus Nocardia. However, it does not have enough polymorphism to differentiate them at the species level. This fact makes it necessary to search for molecular targets that can provide better identification. The sodA gene (encoding the enzyme superoxide dismutase) has had good results in identifying species of other Actinomycetes. In this study the sodA gene is proposed for the identification and differentiation at the species level of the genus Nocardia...
September 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28783727/genetic-origins-of-the-minoans-and-mycenaeans
#12
Iosif Lazaridis, Alissa Mittnik, Nick Patterson, Swapan Mallick, Nadin Rohland, Saskia Pfrengle, Anja Furtwängler, Alexander Peltzer, Cosimo Posth, Andonis Vasilakis, P J P McGeorge, Eleni Konsolaki-Yannopoulou, George Korres, Holley Martlew, Manolis Michalodimitrakis, Mehmet Özsait, Nesrin Özsait, Anastasia Papathanasiou, Michael Richards, Songül Alpaslan Roodenberg, Yannis Tzedakis, Robert Arnott, Daniel M Fernandes, Jeffery R Hughey, Dimitra M Lotakis, Patrick A Navas, Yannis Maniatis, John A Stamatoyannopoulos, Kristin Stewardson, Philipp Stockhammer, Ron Pinhasi, David Reich, Johannes Krause, George Stamatoyannopoulos
The origins of the Bronze Age Minoan and Mycenaean cultures have puzzled archaeologists for more than a century. We have assembled genome-wide data from 19 ancient individuals, including Minoans from Crete, Mycenaeans from mainland Greece, and their eastern neighbours from southwestern Anatolia. Here we show that Minoans and Mycenaeans were genetically similar, having at least three-quarters of their ancestry from the first Neolithic farmers of western Anatolia and the Aegean, and most of the remainder from ancient populations related to those of the Caucasus and Iran...
August 2, 2017: Nature
https://www.readbyqxmd.com/read/28782077/a-retrospective-study-on-the-relationship-between-altered-native-acetabular-angle-and-vertical-implant-malpositioning
#13
Jorge Rojas, Maria Bautista, Guillermo Bonilla, Omar Amado, Elina Huerfano, Daniel Monsalvo, Adolfo Llinás, José Navas
PURPOSE: Acetabular cup positioning in extreme angles of vertical position affects both stability and long-term survivorship of total hip arthroplasty. The purpose of this study is to determine whether native Sharp's angle is associated with an increased abduction angle of the acetabular component. METHODS: Consecutive patients who underwent primary total hip replacement between February 2012 and August 2015 were included. Vertical positioning of acetabular implant in the antero-posterior post-operative radiographs were measured...
August 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28777935/de-novo-mutations-in-ywhag-cause-early-onset-epilepsy
#14
Ilaria Guella, Marna B McKenzie, Daniel M Evans, Sarah E Buerki, Eric B Toyota, Margot I Van Allen, Mohnish Suri, Frances Elmslie, Marleen E H Simon, Koen L I van Gassen, Delphine Héron, Boris Keren, Caroline Nava, Mary B Connolly, Michelle Demos, Matthew J Farrer
Massively parallel sequencing has revealed many de novo mutations in the etiology of developmental and epileptic encephalopathies (EEs), highlighting their genetic heterogeneity. Additional candidate genes have been prioritized in silico by their co-expression in the brain. Here, we evaluate rare coding variability in 20 candidates nominated with the use of a reference gene set of 51 established EE-associated genes. Variants within the 20 candidate genes were extracted from exome-sequencing data of 42 subjects with EE and no previous genetic diagnosis...
August 3, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28777933/heterozygous-de-novo-ubtf-gain-of-function-variant-is-associated-with-neurodegeneration-in-childhood
#15
Simon Edvardson, Claudia M Nicolae, Pankaj B Agrawal, Cyril Mignot, Katelyn Payne, Asuri Narayan Prasad, Chitra Prasad, Laurie Sadler, Caroline Nava, Thomas E Mullen, Amber Begtrup, Berivan Baskin, Zöe Powis, Avraham Shaag, Boris Keren, George-Lucian Moldovan, Orly Elpeleg
Ribosomal RNA (rRNA) is transcribed from rDNA by RNA polymerase I (Pol I) to produce the 45S precursor of the 28S, 5.8S, and 18S rRNA components of the ribosome. Two transcription factors have been defined for Pol I in mammals, the selectivity factor SL1, and the upstream binding transcription factor (UBF), which interacts with the upstream control element to facilitate the assembly of the transcription initiation complex including SL1 and Pol I. In seven unrelated affected individuals, all suffering from developmental regression starting at 2...
August 3, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28772424/scaling-up-techniques-for-the-nanofabrication-of-cell-culture-substrates-via-two-photon-polymerization-for-industrial-scale-expansion-of-stem-cells
#16
Davide Ricci, Michele M Nava, Tommaso Zandrini, Giulio Cerullo, Manuela T Raimondi, Roberto Osellame
Stem-cell-based therapies require a high number (10⁶-10⁸) of cells, therefore in vitro expansion is needed because of the initially low amount of stem cells obtainable from human tissues. Standard protocols for stem cell expansion are currently based on chemically-defined culture media and animal-derived feeder-cell layers, which expose cells to additives and to xenogeneic compounds, resulting in potential issues when used in clinics. The two-photon laser polymerization technique enables three-dimensional micro-structures to be fabricated, which we named synthetic nichoids...
January 13, 2017: Materials
https://www.readbyqxmd.com/read/28771941/dosimetric-and-radiobiological-comparison-for-quality-assurance-of-imrt-and-vmat-plans
#17
Nava Raj Paudel, Ganesh Narayanasamy, Eun Young Han, Jose Penagaricano, Panayiotis Mavroidis, Xin Zhang, Anil Pyakuryal, Dongwook Kim, Xiaoying Liang, Steven Morrill
INTRODUCTION: The gamma analysis used for quality assurance of a complex radiotherapy plan examines the dosimetric equivalence between planned and measured dose distributions within some tolerance. This study explores whether the dosimetric difference is correlated with any radiobiological difference between delivered and planned dose. METHODS: VMAT or IMRT plans optimized for 14 cancer patients were calculated and delivered to a QA device. Measured dose was compared against planned dose using 2-D gamma analysis...
August 3, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28771557/low-moderate-urine-arsenic-and-biomarkers-of-thrombosis-and-inflammation-in-the-strong-heart-study
#18
Katherine A Moon, Ana Navas-Acien, Maria Grau-Pérez, Kevin A Francesconi, Walter Goessler, Eliseo Guallar, Jason G Umans, Lyle G Best, Jonathan D Newman
The underlying pathology of arsenic-related cardiovascular disease (CVD) is unknown. Few studies have evaluated pathways through thrombosis and inflammation for arsenic-related CVD, especially at low-moderate arsenic exposure levels (<100 μg/L in drinking water). We evaluated the association of chronic low-moderate arsenic exposure, measured as the sum of inorganic and methylated arsenic species in urine (ΣAs), with plasma biomarkers of thrombosis and inflammation in American Indian adults (45-74 years) in the Strong Heart Study...
2017: PloS One
https://www.readbyqxmd.com/read/28770909/encapsidated-ultrasmall-nanolipospheres-as-novel-nanocarriers-for-highly-hydrophobic-anticancer-drugs
#19
M Loredo-Tovias, A L Duran-Meza, M V Villagrana-Escareño, R Vega-Acosta, E Reynaga-Hernández, Ll M Flores-Tandy, O E Valdes-Resendiz, R D Cadena-Nava, E R Alvizo-Paez, J Ruiz-Garcia
The design and construction of novel nanocarriers that have controlled shape and size and are made of inherently biocompatible components represents a milestone in the field of nanomedicine. Here, we show the tailoring of nanoliposphere-like particles for use as biocompatible drug nanocarriers. They are made with the building block components present in human lipoproteins by means of microfluidization, which allows for good size and polydispersity control, mimicking the physical properties of natural low-density lipoproteins (LDLs)...
August 3, 2017: Nanoscale
https://www.readbyqxmd.com/read/28765518/characterization-of-infiltrating-lymphocytes-in-human-benign-and-malignant-prostate-tissue
#20
Emelie Rådestad, Lars Egevad, Carl Jorns, Jonas Mattsson, Berit Sundberg, Silvia Nava, Bo-Göran Ericzon, Lars Henningsohn, Victor Levitsky, Michael Uhlin
Immune checkpoint blockade has shown promising results in numerous cancer types. However, in prostate cancer (PC), absent or limited responses have been reported. To investigate further, we compared the phenotype of infiltrating T-cells isolated from prostate tissue from patients with PC (n = 5), benign prostatic hyperplasia (BPH) (n = 27), BPH with concurrent PC (n = 4) and controls (n = 7). The majority of T-cells were CD8+ and had a CCR7-CD45RO+ effector memory phenotype. However, the yield of T-cells isolated from PC lesions was on average 20-fold higher than that obtained from control prostates...
July 24, 2017: Oncotarget
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