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https://www.readbyqxmd.com/read/29339427/pandemic-paradox-early-life-h2n2-pandemic-influenza-infection-enhanced-susceptibility-to-death-during-the-2009-h1n1-pandemic
#1
Alain Gagnon, Enrique Acosta, Stacey Hallman, Robert Bourbeau, Lisa Y Dillon, Nadine Ouellette, David J D Earn, D Ann Herring, Kris Inwood, Joaquin Madrenas, Matthew S Miller
Recent outbreaks of H5, H7, and H9 influenza A viruses in humans have served as a vivid reminder of the potentially devastating effects that a novel pandemic could exert on the modern world. Those who have survived infections with influenza viruses in the past have been protected from subsequent antigenically similar pandemics through adaptive immunity. For example, during the 2009 H1N1 "swine flu" pandemic, those exposed to H1N1 viruses that circulated between 1918 and the 1940s were at a decreased risk for mortality as a result of their previous immunity...
January 16, 2018: MBio
https://www.readbyqxmd.com/read/29338655/the-alchemical-manuscripts-of-david-lindsay-1587-1641-lord-lindsay-of-balcarres
#2
Ignacio-Miguel Pascual-Valderrama, Joaquín Pérez-Pariente
The private book collection of David Lindsay, First Lord Lindsay of Balcarres (1587-1641), was one of the largest in early modern Scotland. Despite being dispersed during the following three centuries, this collection still provides evidence for Lindsay's scientific interests and approach to the study of alchemy. In this paper we seek to partially reconstruct his library by describing and, where possible, identifying the sources of Lindsay's own transcriptions of alchemical texts, as well as works mentioned in a book-list written in his hand...
August 2017: Ambix
https://www.readbyqxmd.com/read/29338241/characterization-of-macrophage-endogenous-s-nitrosoproteome-using-a-cysteine-specific-phosphonate-adaptable-tag-in-combination-with-tio2-chromatography
#3
Maria Ibañez-Vea, Honggang Huang, Xabier Martinez de Morentin, Estela Perez, Maria Gato, Miren Zuazo, Hugo Arasanz, Joaquin Fernandez-Irigoyen, Enrique Santamaría, Gonzalo Fernandez-Hinojal, Martin R Larsen, David Escors, Grazyna Kochan
Protein S-nitrosylation is a cysteine post-translational modification mediated by nitric oxide. An increasing number of studies highlight S-nitrosylation as an important regulator of signaling involved in numerous cellular processes. Despite of the significant progress in the development of redox proteomic methods, identification and quantification of endogeneous S-nitrosylation using high-throughput mass spectrometry-based methods is a technical challenge as this modification is highly labile. To overcome this drawback most methods induce S-nitrosylation chemically in proteins using nitrosylating compounds before analysis, with the risk of introducing non-physiological S-nitrosylation...
January 17, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29337161/cellular-redox-cancer-and-human-papillomavirus
#4
REVIEW
Alfredo Cruz-Gregorio, Joaquín Manzo-Merino, Marcela Lizano
High-risk Human Papillomavirus (HR-HPV) is the causative agent of different human cancers. A persistent HR-HPV infection alters several cellular processes involved in cell proliferation, apoptosis, immune evasion, genomic instability and transformation. Cumulative evidence from past studies indicates that HR-HPV proteins are associated with oxidative stress (OS) and has been proposed as a risk factor for cancer development. Reactive oxygen and nitrogen species (RONS) regulate a plethora of processes inducing cellular proliferation, differentiation and death...
January 11, 2018: Virus Research
https://www.readbyqxmd.com/read/29336510/hierarchy-of-asymmetry-at-work-chain-dependent-helix-to-helix-interactions-in-supramolecular-polymers
#5
Sandra Díaz-Cabrera, Yeray Dorca, Joaquín Calbo, Juan Aragó, Rafael Gómez, Enrique Ortí, Luis- Sanchez
A detailed investigation of the hierarchy of asymmetry operating in the self-assembly of achiral (1) and chiral ((S)-2 and (R)-3) 1,3,5-triphenylbenzenetricarboxamides (TPBAs) is reported. The aggregation of these TPBAs is conditioned by the point chirality at the peripheral side chains for (S)-2 and (R)-3. An efficient helix-to-helix interaction that goes further in the organization of fibrillar bundles has been experimentally detected and theoretically supported only for the achiral TPBA 1. The effective interdigitation of the achiral aliphatic side chains produces a social self-sorting to form preferentially heterochiral macromolecular aggregates...
January 16, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29335257/staphylococcal-superantigens-use-lama2-as-a-coreceptor-to-activate-t-cells
#6
Zhigang Li, Joseph J Zeppa, Mark A Hancock, John K McCormick, Terence M Doherty, Geoffrey N Hendy, Joaquín Madrenas
Canonical Ag-dependent TCR signaling relies on activation of the src-family tyrosine kinase LCK. However, staphylococcal superantigens can trigger TCR signaling by activating an alternative pathway that is independent of LCK and utilizes a Gα11-containing G protein-coupled receptor (GPCR) leading to PLCβ activation. The molecules linking the superantigen to GPCR signaling are unknown. Using the ligand-receptor capture technology LRC-TriCEPS, we identified LAMA2, the α2 subunit of the extracellular matrix protein laminin, as the coreceptor for staphylococcal superantigens...
January 15, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29333875/ultrafast-determination-of-vitamin-e-using-lc-esi-ms-ms-for-preclinical-development-of-new-nutraceutical-formulations
#7
Noemi Villaseca-González, Virginia Rodríguez Robledo, Lucía Castro-Vázquez, María Victoria Lozano, Manuel J Santander-Ortega, Joaquín González-Fuentes, Pilar Marcos, María Del Mar Arroyo-Jiménez
AIM: We proposed a rapid and high quality method to determine α-tocopherol (α-T) in different biopharmaceutical samples using liquid chromatography-diode array detector on-line ESI-MS/MS. MATERIALS & METHODS: A working standard solution of α-T and internal standard, phenyl-5,7-dimethyl-d6-α-tocopherol, were used for optimization and validation of the method. Levels of α-T in nanoemulsions, serum and plasma samples were evaluated. RESULTS & CONCLUSION: Precision (1% for retention time, 5% for peak area and 3% for relative peak area), linearity range (among 0...
January 15, 2018: Bioanalysis
https://www.readbyqxmd.com/read/29332816/comparative-enzymatic-studies-using-ion-selective-electrodes-the-case-of-cholinesterases
#8
Maria Cuartero, Soraya Pérez, Maria S García, Francisco García-Cánovas, Joaquín A Ortuño
The application of traditional ion-selective electrodes for comparative enzymatic analysis was demonstrated for the first time in this study. A kinetic-potentiometric method based on the monitoring of the concentration of the ionic substrate involved in the enzymatic reaction catalyzed by different cholinesterases is used for this purpose. A comparative study was performed comprising both enzymatic assays using different ionic substrates and the corresponding inhibited reactions in presence of neostigmine (a synthetic anticholinesterase)...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29330505/over-expression-of-a-retinol-dehydrogenase-srp35-dhrs7c-in-skeletal-muscle-activates-mtorc2-enhances-glucose-metabolism-and-muscle-performance
#9
Alexis Ruiz, Erez Dror, Christoph Handschin, Regula Furrer, Joaquin Perez-Schindler, Christoph Bachmann, Susan Treves, Francesco Zorzato
SRP-35 is a short-chain dehydrogenase/reductase belonging to the DHRS7C dehydrogenase/ reductase family 7. Here we show that its over-expression in mouse skeletal muscles induces enhanced muscle performance in vivo, which is not related to alterations in excitation-contraction coupling but rather linked to enhanced glucose metabolism. Over-expression of SRP-35 causes increased phosphorylation of AktS473, triggering plasmalemmal targeting of GLUT4 and higher glucose uptake into muscles. SRP-35 signaling involves RARα and RARγ (non-genomic effect), PI3K and mTORC2...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329933/combined-hepatic-and-pulmonary-metastasectomies-from-colorectal-carcinoma-data-from-the-prospective-spanish-registry-2008-2010
#10
Jose R Jarabo, Ana M Gómez, Joaquín Calatayud, Carlos A Fraile, Elena Fernández, Nuria Pajuelo, Raul Embún, Laureano Molins, Juan J Rivas, Florentino Hernando
INTRODUCTION: Resection of both liver and lung metastases from colorectal carcinoma (CRC) is a standard of care in selected patients with oligometastatic disease. We present here the analysis of the subgroup of patients undergoing combined surgery from the Spanish Group of Surgery of Pulmonary Metastases (PM) from Colorectal Carcinoma (GECMP-CCR-SEPAR). METHODS: We analyze characteristics, survival and prognostic factors of patients undergoing combined resection from March-2008 to February-2010 and followed-up during at least 3 years, from the prospective multicenter Spanish Registry...
January 9, 2018: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29328912/bcg-educates-hematopoietic-stem-cells-to-generate-protective-innate-immunity-against-tuberculosis
#11
Eva Kaufmann, Joaquin Sanz, Jonathan L Dunn, Nargis Khan, Laura E Mendonça, Alain Pacis, Fanny Tzelepis, Erwan Pernet, Anne Dumaine, Jean-Christophe Grenier, Florence Mailhot-Léonard, Eisha Ahmed, Jad Belle, Rickvinder Besla, Bruce Mazer, Irah L King, Anastasia Nijnik, Clinton S Robbins, Luis B Barreiro, Maziar Divangahi
The dogma that adaptive immunity is the only arm of the immune response with memory capacity has been recently challenged by several studies demonstrating evidence for memory-like innate immune training. However, the underlying mechanisms and location for generating such innate memory responses in vivo remain unknown. Here, we show that access of Bacillus Calmette-Guérin (BCG) to the bone marrow (BM) changes the transcriptional landscape of hematopoietic stem cells (HSCs) and multipotent progenitors (MPPs), leading to local cell expansion and enhanced myelopoiesis at the expense of lymphopoiesis...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29325764/self-management-model-in-the-scheduling-of-successive-appointments-in-rheumatology
#12
David Castro Corredor, José Luis Cuadra Díaz, Javier José Mateos Rodríguez, Joaquín Anino Fernández, María Dolores Mínguez Sánchez, Isabel María de Lara Simón, María Ángeles Tébar, Encarnación Añó, María Dolores Sanz, María Nieves Ballester
INTRODUCTION: The rheumatology service of Ciudad Real Hospital, located in an autonomous community of that same name that is nearly in the center of Spain, implemented a self-management model of successive appointments more than 10 years ago. Since then, the physicians of the department schedule follow-up visits for their patients depending on the disease, its course and ancillary tests. The purpose of this study is to evaluate and compare the self-management model for successive appointments in the rheumatology service of Ciudad Real Hospital versus the model of external appointment management implemented in 8 of the hospital's 15 medical services...
January 8, 2018: Reumatología Clinica
https://www.readbyqxmd.com/read/29322018/a-nomogram-to-predict-the-likelihood-of-permanent-hypoparathyroidism-after-total-thyroidectomy-based-on-delayed-serum-calcium-and-ipth-measurements
#13
Antonio Sitges-Serra, Joaquín Gómez, Marcin Barczynski, Leyre Lorente-Poch, Maurizio Iacobone, Juan Sancho
Background: Retrospective studies have shown that delayed high-normal serum calcium and detectable iPTH are independent variables positively influencing outcome of prolonged parathyroid failure after total thyroidectomy (TT). The aim of the present study was to examine prospectively the ability of these two variables to predict permanent hypoparathyroidism in patients under replacement therapy for postoperative hypocalcemia. Methods: Prospective observational multicenter study of patients undergoing TT followed by postoperative parathyroid failure (serum calcium <8 mg/dL within 24 h and PTH <15 pg/mL 4 h after surgery)...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29317210/quality-indicators-in-the-treatment-of-patients-with-depression-bipolar-disorder-or-schizophrenia-consensus-study
#14
Miquel Bernardo, Consuelo de Dios, Víctor Pérez, Emilio Ignacio, Manuel Serrano, Eduard Vieta, José Joaquín Mira, Mercedes Guilabert, Miquel Roca
OBJECTIVE: To define a set of indicators for mental health care, monitoring quality assurance in schizophrenia, depression and bipolar disorders in Spain. MATERIAL AND METHOD: Qualitative research. Consensus-based study involving 6 psychiatrists on the steering committee and a panel of 43 psychiatrists working in several health services in Spain. An initial proposal of 44 indicators for depression, 42 for schizophrenia and 58 for bipolar disorder was elaborated after reviewing the literature...
January 6, 2018: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/29316921/insights-into-metabolic-osmoadaptation-of-the-ectoines-producer-bacterium-chromohalobacter-salexigens-through-a-high-quality-genome-scale-metabolic-model
#15
Francine Piubeli, Manuel Salvador, Montserrat Argandoña, Joaquín J Nieto, Vicente Bernal, Jose M Pastor, Manuel Cánovas, Carmen Vargas
BACKGROUND: The halophilic bacterium Chromohalobacter salexigens is a natural producer of ectoines, compatible solutes with current and potential biotechnological applications. As production of ectoines is an osmoregulated process that draws away TCA intermediates, bacterial metabolism needs to be adapted to cope with salinity changes. To explore and use C. salexigens as cell factory for ectoine(s) production, a comprehensive knowledge at the systems level of its metabolism is essential...
January 9, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29316675/quantum-chemical-insights-into-the-self-assembly-of-carbon-based-supramolecular-complexes
#16
REVIEW
Joaquín Calbo, Juan Carlos Sancho-García, Enrique Ortí, Juan Aragó
Understanding how molecular systems self-assemble to form well-organized superstructures governed by noncovalent interactions is essential in the field of supramolecular chemistry. In the nanoscience context, the self-assembly of different carbon-based nanoforms (fullerenes, carbon nanotubes and graphene) with, in general, electron-donor molecular systems, has received increasing attention as a means of generating potential candidates for technological applications. In these carbon-based systems, a deep characterization of the supramolecular organization is crucial to establish an intimate relation between supramolecular structure and functionality...
January 7, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29316065/prevalence-and-viability-of-group-a-rotavirus-in-dairy-farm-water-sources
#17
Matías Castells, Carlos Schild, Darío Caffarena, Marina Bok, Federico Giannitti, Joaquín Armendano, Franklin Riet-Correa, Matías Victoria, Viviana Parreño, Rodney Colina
AIM: To analyze group A rotavirus (RVA) environmental contamination in waters used for calves' consumption and to assess viral viability in dairy farm water sources. METHODS AND RESULTS: We analyzed 202 samples of water used for calves' consumption and RVA was detected by RT-qPCR in 35.1% (95%CI: 28.9-42.0%). A marked pattern of seasonality was observed with higher frequency of detection in colder than warmer months (p=0.002). There was no association between viral load and season or between the number of milking cows in the herd and the detection of RVA in the farm...
January 9, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29315579/muscle-molecular-adaptations-to-endurance-exercise-training-are-conditioned-by-glycogen-availability-a-proteomics-based-analysis-in-the-mcardle-mouse-model
#18
Carmen Fiuza-Luces, Alejandro Santos-Lozano, Francisco Llavero, Rocío Campo, Gisela Nogales-Gadea, Jorge Díez Bermejo, Carlos Balandrón, África González-Murillo, Joaquín Arenas, Miguel A Martín, Antoni L Andreu, Tomàs Pinós, Beatriz G Gálvez, Juan A López, Jesús Vázquez, José L Zugaza, Alejandro Lucia
McArdle disease is an inborn disorder of skeletal muscle glycogen metabolism that results in blockade of glycogen breakdown due to mutations in the myophosphorylase gene. We recently developed a mouse model carrying the homozygous p.R50X common human mutation (McArdle mouse), facilitating the study of how glycogen availability affects muscle molecular adaptations to endurance exercise training. Using quantitative differential analysis by liquid chromatography with tandem-mass spectrometry, we analysed the quadriceps muscle proteome of 16-week-old McArdle (n = 5) and wild-type (WT) (n = 4) mice previously subjected to 8-week moderate-intensity treadmill training or to an equivalent control (no training) period...
January 7, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29315169/health-benefits-of-an-innovative-exercise-program-for-mitochondrial-disorders
#19
Carmen Fiuza-Luces, Jorge Díez-Bermejo, Miguel Fernández-de la Torre, Gabriel Rodríguez-Romo, Paz Sanz-Ayán, Aitor Delmiro, Diego Munguía-Izquierdo, Irene Rodríguez-Gómez, Ignacio Ara, Cristina Domínguez-González, Joaquín Arenas, Miguel A Martín, Alejandro Lucia, María Morán
PURPOSE: We determined the effects of an innovative 8-week exercise intervention (aerobic, resistance and inspiratory muscle training) for patients with mitochondrial disease (MD). METHODS: Several endpoints were assessed in 12 patients (19-59 years, 4 female) at pre-training, post-training and after 4-week detraining: aerobic power, muscle strength/power and maximal inspiratory pressure (main endpoints), ability to perform activities of daily living (ADL), body composition, quality of life and blood myokines (secondary endpoints)...
January 8, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29313856/sex-differences-in-the-association-between-obstructive-sleep-apnea-and-hypertension-what-s-next
#20
COMMENT
Irene Cano-Pumarega, Ferrán Barbé, Joaquín Durán-Cantolla
No abstract text is available yet for this article.
December 2017: Journal of Thoracic Disease
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