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Hugo adrian

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https://www.readbyqxmd.com/read/29350402/effectiveness-and-safety-of-original-and-generic-sofosbuvir-for-the-treatment-of-chronic-hepatitis-c-a-real-world-study
#1
Sebastián Marciano, Leila Haddad, María Virginia Reggiardo, Mirta Peralta, Cecilia Vistarini, Mónica Marino, Valeria Inés Descalzi, Claudia D'Amico, Sebastián Figueroa Escuti, Luis Alejandro Gaite, Roberto Pérez Ravier, Cristina Longo, Silvia Mabel Borzi, Omar Andrés Galdame, Fernando Bessone, Hugo Alberto Fainboim, Silvia Frías, Mariano Cartier, Adrián Carlos Gadano
We report the first real-world prospective multicenter cohort study that evaluated the effectiveness and safety of original or generic sofosbuvir-based regimens in patients with chronic hepatitis C in Latin America. The main endpoints were assessment of sustained virological response and serious adverse events rates. A total of 321 patients with chronic hepatitis C treated with the following regimens were included: sofosbuvir plus daclatasvir for 12 (n = 34) or 24 (n = 135) weeks, sofosbuvir plus daclatasvir plus ribavirin for 12 (n = 84) or 24 (n = 56) weeks, or sofosbuvir plus ribavirin for 12 (n = 8) or 24 (n = 2) weeks...
January 19, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29318095/green-and-red-fluorescent-dyes-for-translational-applications-in-imaging-and-sensing-analytes-a-dual-color-flag
#2
REVIEW
Elisabete Oliveira, Emilia Bértolo, Cristina Núñez, Viviane Pilla, Hugo M Santos, Javier Fernández-Lodeiro, Adrian Fernández-Lodeiro, Jamila Djafari, José Luis Capelo, Carlos Lodeiro
Red and green are two of the most-preferred colors from the entire chromatic spectrum, and red and green dyes are widely used in biochemistry, immunohistochemistry, immune-staining, and nanochemistry applications. Selective dyes with green and red excitable chromophores can be used in biological environments, such as tissues and cells, and can be irradiated with visible light without cell damage. This critical review, covering a period of five years, provides an overview of the most-relevant results on the use of red and green fluorescent dyes in the fields of bio-, chemo- and nanoscience...
January 2018: ChemistryOpen
https://www.readbyqxmd.com/read/29318092/green-and-red-fluorescent-dyes-for-translational-applications-in-imaging-and-sensing-analytes-a-dual-color-flag
#3
Elisabete Oliveira, Emilia Bértolo, Cristina Núñez, Viviane Pilla, Hugo M Santos, Javier Fernández-Lodeiro, Adrian Fernández-Lodeiro, Jamila Djafari, José Luis Capelo, Carlos Lodeiro
Invited for this month's cover picture is the BIOSCOPE group of Professors Carlos Lodeiro and José Luis Capelo at the REQUIMTE/UCIBIO-LAQv-FCT University NOVA of Lisbon (Portugal), and their collaborators. The cover picture is devoted to Translational Research, and shows the Portuguese Flag represented by the interaction between cells and Janus gold/silver nanoparticles functionalized with rhodamine (red) and Fluorescein (green) dyes as tools for biomedical translational research. Read the full text of their Review at 10...
January 2018: ChemistryOpen
https://www.readbyqxmd.com/read/29314761/keratinous-matrices-for-the-assessment-of-drugs-of-abuse-consumption-a-correlation-study-between-hair-and-nails
#4
Delphine Cappelle, Steven De Keukeleire, Hugo Neels, Frederic Been, Mireille De Doncker, Geert Dom, Cleo L Crunelle, Adrian Covaci, Alexander L N van Nuijs
Keratinous matrices - hair and nails - accumulate substances over time and allow retrospective investigation of past consumption. Analysis of these matrices can provide information complementary to blood and urine analysis or can be used as standalone. So far, research has primarily focused on the detection of substances in hair, while studies in nails are scarce. In this study, we assessed concentrations of drugs of abuse and their metabolites in hair, finger- and toenails collected from the same individuals to evaluate differences and correlations between matrices...
January 5, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29044207/demographic-history-and-biologically-relevant-genetic-variation-of-native-mexicans-inferred-from-whole-genome-sequencing
#5
Sandra Romero-Hidalgo, Adrián Ochoa-Leyva, Alejandro Garcíarrubio, Victor Acuña-Alonzo, Erika Antúnez-Argüelles, Martha Balcazar-Quintero, Rodrigo Barquera-Lozano, Alessandra Carnevale, Fernanda Cornejo-Granados, Juan Carlos Fernández-López, Rodrigo García-Herrera, Humberto García-Ortíz, Ángeles Granados-Silvestre, Julio Granados, Fernando Guerrero-Romero, Enrique Hernández-Lemus, Paola León-Mimila, Gastón Macín-Pérez, Angélica Martínez-Hernández, Marta Menjivar, Enrique Morett, Lorena Orozco, Guadalupe Ortíz-López, Fernando Pérez-Villatoro, Javier Rivera-Morales, Fernando Riveros-McKay, Marisela Villalobos-Comparán, Hugo Villamil-Ramírez, Teresa Villarreal-Molina, Samuel Canizales-Quinteros, Xavier Soberón
Understanding the genetic structure of Native American populations is important to clarify their diversity, demographic history, and to identify genetic factors relevant for biomedical traits. Here, we show a demographic history reconstruction from 12 Native American whole genomes belonging to six distinct ethnic groups representing the three main described genetic clusters of Mexico (Northern, Southern, and Maya). Effective population size estimates of all Native American groups remained below 2,000 individuals for up to 10,000 years ago...
October 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28923896/experimental-and-theoretical-approaches-to-investigate-the-immunogenicity-of-taenia-solium-derived-ke7-antigen
#6
Raúl J Bobes, José Navarrete-Perea, Adrián Ochoa-Leyva, Víctor Hugo Anaya, Marisela Hernández, Jacquelynne Cervantes-Torres, Karel Estrada, Filiberto Sánchez-Lopez, Xavier Soberón, Gabriela Rosas, Cáris Maroni Nunes, Martín García-Varela, Rogerio Rafael Sotelo-Mundo, Alonso Alexis López-Zavala, Goar Gevorkian, Gonzalo Acero, Juan P Laclette, Gladis Fragoso, Edda Sciutto
Taenia solium cysticercosis, a parasitic disease that affects human health in various regions of the world, is preventable by vaccination. Both the 97-amino-acid-long KETc7 peptide and its carboxyl-terminal, 18-amino-acid-long sequence (GK-1) are found in Taenia crassiceps Both peptides, with proven protective capacity against cysticercosis, are part of the highly conserved, cestode-native, 264-amino-acid long protein KE7. KE7 belongs to a ubiquitously distributed family of proteins associated to membrane processes and may participate in several vital cell pathways...
September 18, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28895445/strategic-infarct-location-for-post-stroke-cognitive-impairment-a-multivariate-lesion-symptom-mapping-study
#7
Lei Zhao, J Matthijs Biesbroek, Lin Shi, Wenyan Liu, Hugo J Kuijf, Winnie Wc Chu, Jill M Abrigo, Ryan Kl Lee, Thomas Wh Leung, Alexander Yl Lau, Geert J Biessels, Vincent Mok, Adrian Wong
Lesion location is an important determinant for post-stroke cognitive impairment. Although several 'strategic' brain regions have previously been identified, a comprehensive map of strategic brain regions for post-stroke cognitive impairment is lacking due to limitations in sample size and methodology. We aimed to determine strategic brain regions for post-stroke cognitive impairment by applying multivariate lesion-symptom mapping in a large cohort of 410 acute ischemic stroke patients. Montreal Cognitive Assessment at three to six months after stroke was used to assess global cognitive functioning and cognitive domains (memory, language, attention, executive and visuospatial function)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28892761/ethyl-glucuronide-in-keratinous-matrices-as-biomarker-of-alcohol-use-a-correlation-study-between-hair-and-nails
#8
Delphine Cappelle, Hugo Neels, Steven De Keukeleire, Erik Fransen, Geert Dom, Annemie Vermassen, Adrian Covaci, Cleo L Crunelle, Alexander L N van Nuijs
To quantify alcohol use, objective, specific and sensitive long-term alcohol markers are necessary. Ethyl glucuronide (EtG), a direct metabolite of alcohol, accumulates in keratinous matrices such as hair and nails, and is a specific and sensitive long-term biomarker for the detection of chronic alcohol consumption. So far, research has primarily focused on the detection of EtG in hair, and studies on its measurement in nails are scarce. In this article, we assessed EtG concentrations in hair, finger- and toenails from the same individuals in order to evaluate the direct correlation between the matrices...
October 2017: Forensic Science International
https://www.readbyqxmd.com/read/28734362/discrimination-of-bacteria-by-rapid-sensing-their-metabolic-volatiles-using-an-aspiration-type-ion-mobility-spectrometer-a-ims-and-gas-chromatography-mass-spectrometry-gc-ms
#9
Ileana Andreea Ratiu, Victor Bocos-Bintintan, Adrian Patrut, Victor Hugo Moll, Matthew Turner, C L Paul Thomas
The objective of our study was to investigate whether one may quickly and reliably discriminate different microorganism strains by direct monitoring of the headspace atmosphere above their cultures. Headspace samples above a series of in vitro bacterial cultures were directly interrogated using an aspiration type ion mobility spectrometer (a-IMS), which produced distinct profiles ("fingerprints") of ion currents generated simultaneously by the detectors present inside the ion mobility cell. Data processing and analysis using principal component analysis showed net differences in the responses produced by volatiles emitted by various bacterial strains...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28436987/genomic-consequences-of-aberrant-dna-repair-mechanisms-stratify-ovarian-cancer-histotypes
#10
MULTICENTER STUDY
Yi Kan Wang, Ali Bashashati, Michael S Anglesio, Dawn R Cochrane, Diljot S Grewal, Gavin Ha, Andrew McPherson, Hugo M Horlings, Janine Senz, Leah M Prentice, Anthony N Karnezis, Daniel Lai, Mohamed R Aniba, Allen W Zhang, Karey Shumansky, Celia Siu, Adrian Wan, Melissa K McConechy, Hector Li-Chang, Alicia Tone, Diane Provencher, Manon de Ladurantaye, Hubert Fleury, Aikou Okamoto, Satoshi Yanagida, Nozomu Yanaihara, Misato Saito, Andrew J Mungall, Richard Moore, Marco A Marra, C Blake Gilks, Anne-Marie Mes-Masson, Jessica N McAlpine, Samuel Aparicio, David G Huntsman, Sohrab P Shah
We studied the whole-genome point mutation and structural variation patterns of 133 tumors (59 high-grade serous (HGSC), 35 clear cell (CCOC), 29 endometrioid (ENOC), and 10 adult granulosa cell (GCT)) as a substrate for class discovery in ovarian cancer. Ab initio clustering of integrated point mutation and structural variation signatures identified seven subgroups both between and within histotypes. Prevalence of foldback inversions identified a prognostically significant HGSC group associated with inferior survival...
June 2017: Nature Genetics
https://www.readbyqxmd.com/read/28341998/ire1-signaling-exacerbates-alzheimer-s-disease-pathogenesis
#11
Claudia Duran-Aniotz, Victor Hugo Cornejo, Sandra Espinoza, Álvaro O Ardiles, Danilo B Medinas, Claudia Salazar, Andrew Foley, Ivana Gajardo, Peter Thielen, Takao Iwawaki, Wiep Scheper, Claudio Soto, Adrian G Palacios, Jeroen J M Hoozemans, Claudio Hetz
Altered proteostasis is a salient feature of Alzheimer's disease (AD), highlighting the occurrence of endoplasmic reticulum (ER) stress and abnormal protein aggregation. ER stress triggers the activation of the unfolded protein response (UPR), a signaling pathway that enforces adaptive programs to sustain proteostasis or eliminate terminally damaged cells. IRE1 is an ER-located kinase and endoribonuclease that operates as a major stress transducer, mediating both adaptive and proapoptotic programs under ER stress...
March 24, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28335995/assessment-of-dietary-exposure-to-organohalogen-contaminants-legacy-and-emerging-flame-retardants-in-a-norwegian-cohort
#12
Fuchao Xu, Joo-Hui Tay, Adrian Covaci, Juan Antonio Padilla-Sánchez, Eleni Papadopoulou, Line Småstuen Haug, Hugo Neels, Ulla Sellström, Cynthia A de Wit
Polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs), emerging halogenated flame retardants (EHFRs) and organophosphate flame retardants (PFRs) were detected in 24h duplicate diet samples from a Norwegian cohort (n=61), with concentrations ranging from <method limit of quantification (MLQ)-0.64ng/g ww, <MLQ-0.70ng/g ww, <MLQ-0.93ng/g ww, <MLQ-0.14ng/g ww, and <MLQ-150ng/g ww, respectively. All studied contaminants were detected in the duplicate diet samples with detection frequencies (DF) ranging from 1...
March 20, 2017: Environment International
https://www.readbyqxmd.com/read/28329103/pregnancy-at-advanced-maternal-age-affects-behavior-and-hippocampal-gene-expression-in-mouse-offspring
#13
Silvestre Sampino, Adrian Mateusz Stankiewicz, Federica Zacchini, Joanna Goscik, Agnieszka Szostak, Artur Hugo Swiergiel, Gaspare Drago, Jacek Andrzej Modlinski, Grazyna Ewa Ptak
There is growing evidence that advanced maternal age is a risk factor for neurological and neuropsychiatric disorders in offspring. However, it remains unclear whether the altered brain programming induced by advanced maternal age is mediated by pre- or postnatal factors. Here, a mouse model was used to investigate whether pregnancy at advanced age may provoke behavioral and brain gene expression changes in offspring. Swiss Albino mice conceived by 3-month-old males and either 15-18-month-old (n = 11) or 3-month-old control females (n = 5), were delivered by cesarean section, fostered after birth by 3-month-old dams and subjected to a battery of behavioral tests...
October 12, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28210927/efficacy-and-safety-of-daclatasvir-plus-pegylated-interferon-alfa-2a-and-ribavirin-in-previously-untreated-hcv-subjects-coinfected-with-hiv-and-hcv-genotype-1-a-phase-iii-open-label-study
#14
Mark S Sulkowski, Walford J Fessel, Adriano Lazzarin, Juan Berenguer, Natalia Zakharova, Hugo Cheinquer, Pierre Côté, Douglas Dieterich, Adrian Gadano, Gail Matthews, Jean-Michel Molina, Christophe Moreno, Juan Antonio Pineda, Federico Pulido, Antonio Rivero, Jurgen Rockstroh, Dennis Hernandez, Fiona McPhee, Timothy Eley, Zhaohui Liu, Patricia Mendez, Eric Hughes, Stephanie Noviello, Peter Ackerman
BACKGROUND: Daclatasvir (DCV) is a potent, pangenotypic, hepatitis C virus (HCV) non-structural protein 5A inhibitor with low potential for drug interactions with antiretroviral therapy (ART). We evaluated the safety and efficacy of DCV plus peginterferon alfa-2a/ribavirin (PegIFN/RBV) in HIV-1/HCV genotype-1-coinfected patients. METHODS: AI444043 (NCT01471574), an open-label, Phase III, single-arm, response-guided treatment (RGT) study included 301 patients. They received DCV doses of 30, 60 or 90 mg once daily (depending on concomitant ART), plus weight-based RBV (<75 kg, 1000 mg/day; or ≥75 kg, 1200 mg/day), and once-weekly PegIFN 180 μg, for 24 weeks...
March 2017: Hepatology International
https://www.readbyqxmd.com/read/28210823/non-ablative-erbium-yag-laser-for-the-treatment-of-type-iii-stress-urinary-incontinence-intrinsic-sphincter-deficiency
#15
Adrian Gaspar, Hugo Brandi
The objective of this pilot study was to determine the safety and efficacy of a new non-ablative erbium YAG laser procedure for the treatment of type III stress urinary incontinence (intrinsic sphincter deficiency) in women. Twenty-two patients with a Valsalva leak point pressure less than 60 cm H2O were recruited and treated with a non-ablative erbium laser delivering low fluence pulses inside the whole length of the urethra through a specially designed cannula. Treatment consisted of two treatment sessions with a 3-week interval in-between...
April 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28193352/a-straightforward-validated-liquid-chromatography-coupled-to-tandem-mass-spectrometry-method-for-the-simultaneous-detection-of-nine-drugs-of-abuse-and-their-metabolites-in-hair-and-nails
#16
Delphine Cappelle, Mireille De Doncker, Celine Gys, Kamelia Krysiak, Steven De Keukeleire, Walid Maho, Cleo L Crunelle, Geert Dom, Adrian Covaci, Alexander L N van Nuijs, Hugo Neels
Hair and nails allow for a stable accumulation of compounds over time and retrospective investigation of past exposure and/or consumption. Owing to their long window of detection (weeks to months), analysis of these matrices can provide information complementary to blood and urine analysis or can be used in standalone when e.g. elimination from the body has already occurred. Drugs of abuse are often used together and, therefore, multi-analyte methods capable of detecting several substances and their metabolites in a single run are of importance...
April 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28165283/parasiticidal-effect-of-synthetic-bovine-lactoferrin-peptides-on-the-enteric-parasite-giardia-intestinalis
#17
Hugo Aguilar-Diaz, Adrian Canizalez-Roman, Tomas Nepomuceno-Mejia, Francisco Gallardo-Vera, Yolanda Hornelas-Orozco, Kamran Nazmi, Jan G M Bolscher, Julio Cesar Carrero, Claudia Leon-Sicairos, Nidia Leon-Sicairos
Giardia intestinalis is the most common infectious protozoan parasite in children. Despite the effectiveness of some drugs, the disease remains a major worldwide problem. Consequently, the search for new treatments is important for disease eradication. Biological molecules with antimicrobial properties represent a promising alternative to combat pathogens. Bovine lactoferrin (bLF) is a key component of the innate host defense system, and its peptides have exhibited strong antimicrobial activity. Based on these properties, we evaluated the parasiticidal activity of these peptides on G...
February 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28146631/tunable-doping-in-hydrogenated-single-layered-molybdenum-disulfide
#18
Debora Pierucci, Hugo Henck, Zeineb Ben Aziza, Carl H Naylor, Adrian Balan, Julien E Rault, Mathieu G Silly, Yannick J Dappe, François Bertran, Patrick Le Fèvre, Fausto Sirotti, A T Charlie Johnson, Abdelkarim Ouerghi
Structural defects in the molybdenum disulfide (MoS2) monolayer are widely known for strongly altering its properties. Therefore, a deep understanding of these structural defects and how they affect MoS2 electronic properties is of fundamental importance. Here, we report on the incorporation of atomic hydrogen in monolayered MoS2 to tune its structural defects. We demonstrate that the electronic properties of single layer MoS2 can be tuned from the intrinsic electron (n) to hole (p) doping via controlled exposure to atomic hydrogen at room temperature...
February 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/27881840/a-combined-linkage-and-association-strategy-identifies-a-variant-near-the-gstp1-gene-associated-with-bmi-in-the-mexican-population
#19
Hugo Villamil-Ramírez, Paola León-Mimila, Luis R Macias-Kauffer, Adrián Canizalez-Román, Marisela Villalobos-Comparán, Nidia León-Sicairos, Joel Vega-Badillo, Fausto Sánchez-Muñoz, Blanca López-Contreras, Sofía Morán-Ramos, Teresa Villarreal-Molina, Luis C Zurita, Francisco Campos-Pérez, Adriana Huertas-Vazquez, Rafael Bojalil, Sandra Romero-Hidalgo, Carlos A Aguilar-Salinas, Samuel Canizales-Quinteros
Obesity is a major public health concern in Mexico and worldwide. Although the estimated heritability is high, common variants identified by genome-wide association studies explain only a small proportion of this heritability. A combination of linkage and association strategies could be a more robust and powerful approach to identify other obesity-susceptibility variants. We thus sought to identify novel genetic variants associated with obesity-related traits in the Mexican population by combining these methods...
March 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/27881084/assessing-characteristics-of-rna-amplification-methods-for-single-cell-rna-sequencing
#20
Hannah R Dueck, Rizi Ai, Adrian Camarena, Bo Ding, Reymundo Dominguez, Oleg V Evgrafov, Jian-Bing Fan, Stephen A Fisher, Jennifer S Herstein, Tae Kyung Kim, Jae Mun Hugo Kim, Ming-Yi Lin, Rui Liu, William J Mack, Sean McGroty, Joseph D Nguyen, Neeraj Salathia, Jamie Shallcross, Tade Souaiaia, Jennifer M Spaethling, Christopher P Walker, Jinhui Wang, Kai Wang, Wei Wang, Andre Wildberg, Lina Zheng, Robert H Chow, James Eberwine, James A Knowles, Kun Zhang, Junhyong Kim
BACKGROUND: Recently, measurement of RNA at single cell resolution has yielded surprising insights. Methods for single-cell RNA sequencing (scRNA-seq) have received considerable attention, but the broad reliability of single cell methods and the factors governing their performance are still poorly known. RESULTS: Here, we conducted a large-scale control experiment to assess the transfer function of three scRNA-seq methods and factors modulating the function. All three methods detected greater than 70% of the expected number of genes and had a 50% probability of detecting genes with abundance greater than 2 to 4 molecules...
November 24, 2016: BMC Genomics
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