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https://www.readbyqxmd.com/read/27932058/tnap-stimulates-vascular-smooth-muscle-cell-trans-differentiation-into-chondrocytes-through-calcium-deposition-and-bmp-2-activation-possible-implication-in-atherosclerotic-plaque-stability
#1
Maya Fakhry, Monika Roszkowska, Anne Briolay, Carole Bougault, Alain Guignandon, Juan Ignacio Diaz-Hernandez, Miguel Diaz-Hernandez, Slawomir Pikula, René Buchet, Eva Hamade, Bassam Badran, Laurence Bessueille, David Magne
Atherosclerotic plaque calcification varies from early, diffuse microcalcifications to a bone-like tissue formed by endochondral ossification. Recently, a paradigm has emerged suggesting that if the bone metaplasia stabilizes the plaques, microcalcifications are harmful. Tissue-nonspecific alkaline phosphatase (TNAP), an ectoenzyme necessary for mineralization by its ability to hydrolyze inorganic pyrophosphate (PPi), is stimulated by inflammation in vascular smooth muscle cells (VSMCs). Our objective was to determine the role of TNAP in trans-differentiation of VSMCs and calcification...
December 5, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27931770/fractional-flow-reserve-assessment-with-adenosine-be-aware-of-the-qt-interval
#2
David Martí, María José Morales, Salvador Álvarez, Jorge Palazuelos, Ignacio Rada
No abstract text is available yet for this article.
December 5, 2016: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/27930885/robust-synthetic-circuits-for-two-dimensional-control-of-gene-expression-in-yeast
#3
Andres Aranda-Diaz, Kieran Mace, Ignacio Zuleta, Patrick Harrigan, Hana El-Samad
Cellular phenotypes are the result of complex interactions between many components. Understanding and predicting the system level properties of the resulting networks requires the development of perturbation tools that can simultaneously and independently modulate multiple cellular variables. Here, we develop synthetic modules that use different arrangements of two transcriptional regulators to achieve either concurrent and independent control of the expression of two genes, or decoupled control of the mean and variance of a single gene...
December 8, 2016: ACS Synthetic Biology
https://www.readbyqxmd.com/read/27930592/self-reported-psychological-development-in-cosmetic-breast-surgery-patients
#4
María Ángeles Pérez-San-Gregorio, Agustín Martín-Rodríguez, María Jesús Arias-Moreno, María Esther Rincón-Fernández, José Ignacio Ortega-Martínez
Cosmetic breast surgery is the only therapeutic alternative for psychological and physical complications associated with micromasty, breast ptosis, and macromasty. We analyzed the effects of 2 variables, time, and type of cosmetic breast surgery, on anxiety symptomatology and quality of life.Following a mixed 3 × 4 design, 3 groups of women with breast augmentation (n = 63), mastopexy (n = 42), and breast reduction (n = 30) were selected and evaluated using the State-Trait Anxiety Inventory and the 12-Item Short-Form Health Survey at 4 different times, the preoperative stage, and at 1, 6, and 12 months postoperative...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27930287/emergent-structures-and-dynamics-of-cell-colonies-by-contact-inhibition-of-locomotion
#5
Bart Smeets, Ricard Alert, Jiří Pešek, Ignacio Pagonabarraga, Herman Ramon, Romaric Vincent
Cells in tissues can organize into a broad spectrum of structures according to their function. Drastic changes of organization, such as epithelial-mesenchymal transitions or the formation of spheroidal aggregates, are often associated either to tissue morphogenesis or to cancer progression. Here, we study the organization of cell colonies by means of simulations of self-propelled particles with generic cell-like interactions. The interplay between cell softness, cell-cell adhesion, and contact inhibition of locomotion (CIL) yields structures and collective dynamics observed in several existing tissue phenotypes...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929539/sensitivity-of-hematopoietic-stem-cells-to-mitochondrial-dysfunction-by-sdhd-gene-deletion
#6
José Antonio Bejarano-García, África Millán-Uclés, Iván V Rosado, Luís Ignacio Sánchez-Abarca, Teresa Caballero-Velázquez, María José Durán-Galván, José Antonio Pérez-Simón, José I Piruat
It is established that hematopoietic stem cells (HSC) in the hypoxic bone marrow have adapted their metabolism to oxygen-limiting conditions. This adaptation includes suppression of mitochondrial activity, induction of anerobic glycolysis, and activation of hypoxia-inducible transcription factor 1α (Hif1α)-dependent gene expression. During progression of hematopoiesis, a metabolic switch towards mitochondrial oxidative phosphorylation is observed, making this organelle essential for determining cell fate choice in bone marrow...
December 8, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27928614/moderate-exercise-ameliorates-dysregulated-hippocampal-glycometabolism-and-memory-function-in-a-rat-model-of-type-2-diabetes
#7
Takeru Shima, Takashi Matsui, Subrina Jesmin, Masahiro Okamoto, Mariko Soya, Koshiro Inoue, Yu-Fan Liu, Ignacio Torres-Aleman, Bruce S McEwen, Hideaki Soya
AIMS/HYPOTHESIS: Type 2 diabetes is likely to be an independent risk factor for hippocampal-based memory dysfunction, although this complication has yet to be investigated in detail. As dysregulated glycometabolism in peripheral tissues is a key symptom of type 2 diabetes, it is hypothesised that diabetes-mediated memory dysfunction is also caused by hippocampal glycometabolic dysfunction. If so, such dysfunction should also be ameliorated with moderate exercise by normalising hippocampal glycometabolism, since 4 weeks of moderate exercise enhances memory function and local hippocampal glycogen levels in normal animals...
December 8, 2016: Diabetologia
https://www.readbyqxmd.com/read/27926834/detailing-protein-landscapes-under-pressure
#8
Rocío Espada, Ignacio E Sánchez, Diego U Ferreiro
No abstract text is available yet for this article.
December 6, 2016: Biophysical Journal
https://www.readbyqxmd.com/read/27926738/corrigendum-mitochondrial-and-nuclear-dna-matching-shapes-metabolism-and-healthy-ageing
#9
Ana Latorre-Pellicer, Raquel Moreno-Loshuertos, Ana Victoria Lechuga-Vieco, Fátima Sánchez-Cabo, Carlos Torroja, Rebeca Acín-Pérez, Enrique Calvo, Esther Aix, Andrés González-Guerra, Angela Logan, María Luisa Bernad-Miana, Eduardo Romanos, Raquel Cruz, Sara Cogliati, Beatriz Sobrino, Ángel Carracedo, Acisclo Pérez-Martos, Patricio Fernández-Silva, Jesús Ruíz-Cabello, Michael P Murphy, Ignacio Flores, Jesús Vázquez, José Antonio Enríquez
No abstract text is available yet for this article.
December 7, 2016: Nature
https://www.readbyqxmd.com/read/27923408/pharmacokinetic-and-pharmacodynamic-characterization-of-a-novel-formulation-containing-co-formulated-interferons-alpha-2b-and-gamma-in-healthy-male-volunteers
#10
Idrian García-García, Ignacio Hernández-González, Alina Díaz-Machado, Carlos A González-Delgado, Sonia Pérez-Rodríguez, Yanelda García-Vega, Rosario Campos-Mojena, Ángela D Tuero-Iglesias, Carmen M Valenzuela-Silva, Alieski Cruz-Ramírez, Alis Martín-Trujillo, Héctor Santana-Milián, Pedro A López-Saura, Iraldo Bello-Rivero
BACKGROUND: More potent antitumor activity is desired in Interferon (IFN)-treated cancer patients. This could be achieved by combining IFN alpha and IFN gamma. The aim of this work was to characterize the pharmacokinetics and pharmacodynamics of a novel formulation containing a co-formulated combination of IFNs alpha-2b and gamma (CIGB-128-A). METHODS: A group of nine healthy male subjects received intramuscularly 24.5 × 10(6) IU of CIGB-128-A. IFN concentrations were evaluated for 48 h...
December 7, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27920543/intestinal-permeability-in-a-patient-with-liver-cirrhosis
#11
REVIEW
Jonathan Manuel Aguirre Valadez, Liliana Rivera-Espinosa, Osvely Méndez-Guerrero, Juan Luis Chávez-Pacheco, Ignacio García Juárez, Aldo Torre
Liver cirrhosis is a worldwide public health problem, and patients with this disease are at high risk of developing complications, bacterial translocation from the intestinal lumen to the mesenteric nodes, and systemic circulation, resulting in the development of severe complications related to high mortality rate. The intestinal barrier is a structure with a physical and biochemical activity to maintain balance between the external environment, including bacteria and their products, and the internal environment...
2016: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27920481/new-real-time-pcr-method-to-identify-single-point-mutations-in-hepatitis-c-virus
#12
Qian Chen, Irene Belmonte, Maria Buti, Leonardo Nieto, Damir Garcia-Cehic, Josep Gregori, Celia Perales, Laura Ordeig, Meritxell Llorens, Maria Eugenia Soria, Rafael Esteban, Juan Ignacio Esteban, Francisco Rodriguez-Frias, Josep Quer
AIM: To develop a fast, low-cost diagnostic strategy to identify single point mutations in highly variable genomes such as hepatitis C virus (HCV). METHODS: In patients with HCV infection, resistance-associated amino acid substitutions within the viral quasispecies prior to therapy can confer decreased susceptibility to direct-acting antiviral agents and lead to treatment failure and virological relapse. One such naturally occurring mutation is the Q80K substitution in the HCV-NS3 protease gene, which confers resistance to PI inhibitors, particularly simeprevir...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27920139/making-the-most-of-cancer-surgery-with-neoadjuvant-immunotherapy
#13
Ignacio Melero, Pedro Berraondo, María E Rodríguez-Ruiz, José L Pérez-Gracia
Surgery remains our strongest treatment pillar against early stages of cancer. In a number of instances, the curative potential of surgery can be enhanced by treatments given before (neoadjuvant) or after (adjuvant) surgical procedures. Immunomodulation has emerged as a powerful tool to fight metastatic disease across cancer histologies and goes now to be tested at earlier surgically amenable stages. The work by Liu and colleagues in this issue provides solid preclinical evidence in support of neoadjuvant immunotherapy over adjuvant approaches...
December 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27919866/mitochondrial-dna-haplogroups-influence-the-risk-of-incident-knee-osteoarthritis-in-oai-and-check-cohorts-a-meta-analysis-and-functional-study
#14
Mercedes Fernández-Moreno, Angel Soto-Hermida, María E Vázquez-Mosquera, Estefanía Cortés-Pereira, Sara Relaño, Tamara Hermida-Gómez, Sonia Pértega, Natividad Oreiro-Villar, Carlos Fernández-López, Rafael Garesse, Francisco J Blanco, Ignacio Rego-Pérez
OBJECTIVE: To evaluate the influence of the mitochondrial DNA (mtDNA) haplogroups in the risk of incident knee osteoarthritis (OA) and to explain the functional consequences of this association to identify potential diagnostic biomarkers and therapeutic targets. METHODS: Two prospective cohorts contributed participants. The osteoarthritis initiative (OAI) included 2579 subjects of the incidence subcohort, and the cohort hip and cohort knee (CHECK) included 635, both with 8-year follow-up...
December 5, 2016: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/27918993/tetrahydropyranodiquinolin-8-amines-as-new-non-hepatotoxic-antioxidant-and-acetylcholinesterase-inhibitors-for-alzheimer-s-disease-therapy
#15
Youssef Dgachi, Olga Sokolov, Vincent Luzet, Justyna Godyń, Dawid Panek, Alexandre Bonet, Hélène Martin, Isabel Iriepa, Ignacio Moraleda, Cristina García-Iriepa, Jana Janockova, Lysiane Richert, Ondrej Soukup, Barbara Malawska, Fakher Chabchoub, José Marco-Contelles, Lhassane Ismaili
Herein we report an efficient two step synthesis and biological assessment of 12 racemic tetrahydropyranodiquinolin-8-amines derivatives as antioxidant, cholinesterase inhibitors and non-hepatotoxic agents. Based on the results of the primary screening, we identified 7-(3-methoxyphenyl)-9,10,11,12-tetrahydro-7H-pyrano[2,3-b:5,6-h']diquinolin-8-amine (2h) as a particularly interesting non-hepatotoxic compound that shows moderate antioxidant activity (1.83 equiv Trolox in the ORAC assay), a non competitive inhibition of hAChE (IC50 = 0...
November 23, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27916637/-erratum-to-%C3%A2-successful-treatment-of-aortic-dissection-in-pregnant-patient-bentall-procedure-and-hemiarch%C3%A2
#16
Luis Raul Meza-López, Luis Efren Santos-Martínez, Silvia Hernández-Meneses, Juan Ignacio Moreno-Valencia, Jesus Zaín Campos-Larios, Nielzer Armando Rodríguez-Almendros, Victor Manuel Lozano-Torres, Moisés Cuttiel Calderón-Abbo
No abstract text is available yet for this article.
December 1, 2016: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/27916455/phosphodiesterase-10a-inhibition-improves-cortico-basal-ganglia-function-in-huntington-s-disease-models
#17
Vahri Beaumont, Sheng Zhong, Hai Lin, WenJin Xu, Amyaouch Bradaia, Esther Steidl, Melanie Gleyzes, Kristian Wadel, Bruno Buisson, Fernando E Padovan-Neto, Shreaya Chakroborty, Karen M Ward, John F Harms, Jose Beltran, Mei Kwan, Afshin Ghavami, Jenny Häggkvist, Miklós Tóth, Christer Halldin, Andrea Varrone, Christoph Schaab, J Nikolaj Dybowski, Sarah Elschenbroich, Kimmo Lehtimäki, Taneli Heikkinen, Larry Park, James Rosinski, Ladislav Mrzljak, Daniel Lavery, Anthony R West, Christopher J Schmidt, Margaret M Zaleska, Ignacio Munoz-Sanjuan
Huntington's disease (HD) symptoms are driven to a large extent by dysfunction of the basal ganglia circuitry. HD patients exhibit reduced striatal phoshodiesterase 10 (PDE10) levels. Using HD mouse models that exhibit reduced PDE10, we demonstrate the benefit of pharmacologic PDE10 inhibition to acutely correct basal ganglia circuitry deficits. PDE10 inhibition restored corticostriatal input and boosted cortically driven indirect pathway activity. Cyclic nucleotide signaling is impaired in HD models, and PDE10 loss may represent a homeostatic adaptation to maintain signaling...
November 25, 2016: Neuron
https://www.readbyqxmd.com/read/27913762/aspen-felanpe-clinical-guidelines-nutrition-support-of-adult-patients-with-enterocutaneous-fistula
#18
Vanessa J Kumpf, Jose Eduardo de Aguilar-Nascimento, Jose Ignacio Diaz-Pizarro Graf, Amber M Hall, Liam McKeever, Ezra Steiger, Marion F Winkler, Charlene W Compher
BACKGROUND: The management of patients with enterocutaneous fistula (ECF) requires an interdisciplinary approach and poses a significant challenge to physicians, wound/stoma care specialists, dietitians, pharmacists, and other nutrition clinicians. Guidelines for optimizing nutrition status in these patients are often vague, based on limited and dated clinical studies, and typically rely on individual institutional or clinician experience. Specific nutrient requirements, appropriate route of feeding, role of immune-enhancing formulas, and use of somatostatin analogues in the management of patients with ECF are not well defined...
December 2, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27913254/quetiapine-treatment-reverses-depressive-like-behavior-and-reduces-dna-methyltransferase-activity-induced-by-maternal-deprivation
#19
Zuleide M Ignácio, Gislaine Z Réus, Helena M Abelaira, Amanda L Maciel, Airam B de Moura, Danyela Matos, Júlia P Demo, Júlia B I da Silva, Fernanda F Gava, Samira S Valvassori, André F Carvalho, João Quevedo
Stress in early life has been appointed as an important phenomenon in the onset of depression and poor response to treatment with classical antidepressants. Furthermore, childhood trauma triggers epigenetic changes, which are associated with the pathophysiology of major depressive disorder (MDD). Treatment with atypical antipsychotics such as quetiapine, exerts therapeutic effect for MDD patients and induces epigenetic changes. This study aimed to analyze the effect of chronic treatment with quetiapine (20mg/kg) on depressive-like behavior of rats submitted to maternal deprivation (MD), as well as the activity of histone acetylation by the enzymes histone acetyl transferases (HAT) and deacetylases (HDAC) and DNA methylation, through DNA methyltransferase enzyme (DNMT) in the prefrontal cortex (PFC), nucleus accumbens (NAc) and hippocampus...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27912828/lung-cancer-biomarkers
#20
REVIEW
Pamela Villalobos, Ignacio I Wistuba
The molecular characterization of lung cancer has changed the classification and treatment of these tumors, becoming an essential component of pathologic diagnosis and oncologic therapy decisions. Through the recognition of novel biomarkers, such as epidermal growth factor receptor mutations and anaplastic lymphoma kinase translocations, it is possible to identify subsets of patients who benefit from targeted molecular therapies. The success of targeted anticancer therapies and new immunotherapy approaches has created a new paradigm of personalized therapy and has led to accelerated development of new drugs for lung cancer treatment...
February 2017: Hematology/oncology Clinics of North America
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