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https://www.readbyqxmd.com/read/28938741/mitochondrial-dna-quantitation-making-sense-of-contradictory-reports
#1
Frank L Barnes, Andrea R Victor, Christo G Zouves, Manuel Viotti
No abstract text is available yet for this article.
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938604/inflammation-and-stem-markers-association-to-pim1-pim2-kinase-induced-tumors-in-breast-and-uterus
#2
Manuel-Pedro Jiménez-García, Antonio Lucena-Cacace, María-José Robles-Frías, Irene Ferrer, Maja Narlik-Grassow, Carmen Blanco-Aparicio, Amancio Carnero
The PIM family of Ser/Thr kinase proteins has been implicated in tumorigenesis at different levels. PIM proteins are overexpressed in several tumor types and have been associated with chemoresistance. However, their role in hormone-dependent female tissues has not been explored, especially in the uterus, breast and ovary. We generated conditional transgenic mice with confined expression of human PIM1 or PIM2 genes in these tissues. We characterized the tumoral response to these genetic alterations corroborating their role as oncogenes since they induce hyperproliferation in all tissues and tumors in mammary gland and uterus...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938398/long-term-recordings-of-arcuate-nucleus-kisspeptin-neurons-reveal-patterned-activity-that-is-modulated-by-gonadal-steroids-in-male-mice
#3
Charlotte Vanacker, Manuel Ricu Moya, R Anthony DeFazio, Michael L Johnson, Suzanne M Moenter
Pulsatile release of GnRH is key to fertility. Pulse frequency is modulated by gonadal steroids and likely arises subsequent to coordination of GnRH neuron firing activity. The source of rhythm generation and the site of steroid feedback remain critical unanswered questions. Arcuate neurons that synthetize kisspeptin, neurokinin B and dynorphin (KNDy neurons) may be involved in both of these processes. We tested the hypotheses that action potential firing in KNDy neurons is episodic and that gonadal steroids regulate this pattern...
July 28, 2017: Endocrinology
https://www.readbyqxmd.com/read/28937985/interference-with-plastome-gene-expression-and-clp-protease-activity-in-arabidopsis-triggers-a-chloroplast-unfolded-protein-response-to-restore-protein-homeostasis
#4
Ernesto Llamas, Pablo Pulido, Manuel Rodriguez-Concepcion
Disruption of protein homeostasis in chloroplasts impairs the correct functioning of essential metabolic pathways, including the methylerythritol 4-phosphate (MEP) pathway for the production of plastidial isoprenoids involved in photosynthesis and growth. We previously found that misfolded and aggregated forms of the first enzyme of the MEP pathway are degraded by the Clp protease with the involvement of Hsp70 and Hsp100/ClpC1 chaperones in Arabidopsis thaliana. By contrast, the combined unfolding and disaggregating actions of Hsp70 and Hsp100/ClpB3 chaperones allow solubilization and hence reactivation of the enzyme...
September 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28937599/mediterranean-diet-and-multi-ingredient-based-interventions-for-the-management-of-non-alcoholic-fatty-liver-disease
#5
REVIEW
Manuel Suárez, Noemí Boqué, Josep M Del Bas, Jordi Mayneris-Perxachs, Lluís Arola, Antoni Caimari
Non-alcoholic fatty liver disease (NAFLD) comprises a wide spectrum of hepatic disorders, from simple steatosis to hepatic necro-inflammation leading to non-alcoholic steatohepatitis (NASH). Although the prevalence of these multifactorial pathologies is continuously increasing in the population, there is still not an established methodology for their treatment other than weight loss and a change in lifestyle habits, such as a hypocaloric diet and physical exercise. In this framework, there is increasing evidence that several food bioactives and dietary patterns are effective for reversing and preventing the onset of these pathologies...
September 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28937581/thrombosis-on-a-left-atrial-appendage-occluder-device-the-double-edged-sword-of-stroke-prevention-strategies-in-atrial-fibrillation
#6
Giuseppe Ciconte, Manuel Conti, Mario Baldi, Massimo Saviano, Gabriele Vicedomini, Carlo Pappone
: A huge thrombus, developing after percutaneous left atrial appendage occlusion, has been successfully treated with dabigatran and aspirin as combination therapy.Although novel oral anticoagulants alone may be effective in thrombus dissolution, the association of an antiplatelet drug may safely enhance this process.
September 20, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28937161/cold-sprayed-wo3-and-tio2-electrodes-for-photoelectrochemical-water-and-methanol-oxidation-in-renewable-energy-applications
#7
Christoph Haisch, Jenny Schneider, Manuel Fleisch, Henning Gutzmann, Thomas Klassen, Detlef W Bahnemann
Films prepared by cold spray have potential applications as photoanodes in electrochemical water splitting and waste water purification. In the present study cold sprayed photoelectrodes produced with WO3 (active under visible light illumination) and TiO2 (active under UV illumination) on titanium metal substrates were investigated as photoanodes for the oxidation of water and methanol, respectively. Methanol was chosen as organic model pollutant in acidic electrolytes. Main advantages of the cold sprayed photoelectrodes are the improved metal-semiconductor junctions and the superior mechanical stability...
September 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28936758/mucinous-cystic-neoplasms-of-the-pancreas-high-resolution-cross-sectional-imaging-features-with-clinico-pathologic-correlation
#8
Alejandro Garces-Descovich, Kevin Beker, Manuel Castillo-Angeles, Alexander Brook, Elena Resnick, Shweta Shinagare, Robert M Najarian, Koenraad J Mortele
PURPOSE: To describe the high-resolution cross-sectional (MDCT/MRI) features of mucinous cystic neoplasms (MCN) of the pancreas with clinico-pathologic correlation; to identify imaging predictors of high-grade dysplasia/carcinoma; and to estimate MCN growth rate. MATERIALS AND METHODS: Thirty-two women (mean age: 46; range, 25-79 years) with resected MCN who underwent preoperative MDCT (n = 20) or MRI (n = 12) examinations over a 14-year period were included...
September 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28936289/socioeconomic-factors-and-severity-of-periodontal-disease-in-adults-35-44-years-a-cross-sectional-study
#9
José-Manuel Almerich-Silla, Pedro J Almiñana-Pastor, Montserrat Boronat-Catalá, Carlos Bellot-Arcís, José-María Montiel-Company
BACKGROUND: Periodontal disease or periodontitis is an inflammatory disease with a hight prevalence. According to the last oral health survey of the Spanish population, between 24% and 37% of Spaniards aged over 35 years have periodontitis and 6% to 10% of the adult population have deep periodontal pockets. The aim of this study was to determine the association between risk factors and the presence of periodontal pockets in the adult population. MATERIAL AND METHODS: A cross sectional or prevalence study of a representative sample of the adult population of the Valencia region was designed...
August 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28936166/nucleus-accumbens-mc4-r-stimulation-reduces-food-and-ethanol-intake-in-adult-rats-regardless-of-binge-like-ethanol-exposure-during-adolescence
#10
Francisca Carvajal, José M Lerma-Cabrera, Manuel Alcaraz-Iborra, Montserrat Navarro, Todd E Thiele, Inmaculada Cubero
The melanocortin (MC) system regulates feeding and ethanol consumption. Recent evidence shows that melanocortin 4 receptor (MC4-R) stimulation within the nucleus accumbens (NAc) elicits anorectic responses and reduces ethanol consumption and ethanol palatability in adult rats. Ethanol exposure during adolescence causes long-lasting changes in neural pathways critically involved in neurobehavioral responses to ethanol. In this regard, binge-like ethanol exposure during adolescence reduces basal alpha-melanocyte-stimulating hormone (α-MSH) and alters the levels of agouti-related peptide (AgRP) in hypothalamic and limbic areas...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28935896/network-heterogeneity-regulates-steering-in-actin-based-motility
#11
Rajaa Boujemaa-Paterski, Cristian Suarez, Tobias Klar, Jie Zhu, Christophe Guérin, Alex Mogilner, Manuel Théry, Laurent Blanchoin
The growth of branched actin networks powers cell-edge protrusions and motility. A heterogeneous density of actin, which yields to a tunable cellular response, characterizes these dynamic structures. We study how actin organization controls both the rate and the steering during lamellipodium growth. We use a high-resolution surface structuration assay combined with mathematical modeling to describe the growth of a reconstituted lamellipodium. We demonstrate that local monomer depletion at the site of assembly negatively impacts the network growth rate...
September 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28935766/serotonin-2b-receptors-in-mesoaccumbens-dopamine-pathway-regulate-cocaine-responses
#12
Stéphane Doly, Emily Quentin, Raphaël Eddine, Stefania Tolu, Sebastian P Fernandez, Jesus Bertran-Gonzalez, Emmanuel Valjent, Arnauld Belmer, Xavier Viñals, Jacques Callebert, Philippe Faure, Frank J Meye, Denis Hervé, Patricia Robledo, Manuel Mameli, Jean-Marie Launay, Rafael Maldonado, Luc Maroteaux
Addiction is a maladaptive pattern of behavior following repeated use of reinforcing drugs in predisposed individuals, and leading to lifelong changes. A common substrate of these changes lies in alterations of neurons releasing dopamine in the ventral and dorsal territories of the striatum. The serotonin 5-HT2B receptor has been involved in various behaviors including impulsivity, response to antidepressants and to psychostimulants pointing toward putative interactions with the dopamine system. Despite these findings, it remains unknown whether 5-HT2B receptors directly modulate dopaminergic activity and the possible mechanisms involved...
September 21, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28935574/taurocholate-induces-biliary-differentiation-of-liver-progenitor-cells-causing-hepatic-stellate-cell-chemotaxis-in-the-ductular-reaction-role-in-pediatric-cystic-fibrosis-liver-disease
#13
Katarzyna N Pozniak, Michael A Pearen, Tamara N Pereira, Cynthia Sm Kramer, Priyakshi Kalita-De Croft, Sujeevi K Nawaratna, Manuel A Fernandez-Rojo, Geoffrey N Gobert, Janina Ee Tirnitz-Parker, John K Olynyk, Ross W Shepherd, Peter J Lewindon, Grant A Ramm
Cystic fibrosis liver disease (CFLD) in children causes progressive fibrosis leading to biliary cirrhosis, however its cause(s) and early pathogenesis are unclear. We hypothesised that a bile acid-induced Ductular Reaction (DR) drives fibrogenesis. We evaluated the DR by cytokeratin-7 immunohistochemistry in liver biopsies, staged for fibrosis, from 60 children with CFLD and demonstrated that the DR was significantly correlated with hepatic fibrosis stage and biliary taurocholate levels. To examine the mechanisms involved in DR induction liver progenitor cells (LPCs) were treated with taurocholate and key events in DR evolution were assessed: LPC proliferation, LPC biliary differentiation and hepatic stellate cell (HSC) chemotaxis...
September 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28935422/spike-contrast-a-novel-time-scale-independent-and-multivariate-measure-of-spike-train-synchrony
#14
Manuel Ciba, Takuya Isomura, Yasuhiko Jimbo, Andreas Bahmer, Christiane Thielemann
BACKGROUND: Synchrony within neuronal networks is thought to be a fundamental feature of neuronal networks. In order to quantify synchrony between spike trains, various synchrony measures were developed. Most of them are time scale dependent and thus require the setting of an appropriate time scale. Recently, alternative methods have been developed, such as the time scale independent SPIKE-distance by Kreuz et al.. NEW METHOD: In this study, a novel time-scale independent spike train synchrony measure called Spike-contrast is proposed...
September 18, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28935058/n-o-349-consommation-de-substances-psychoactives-pendant-la-grossesse
#15
Alice Ordean, Suzanne Wong, Lisa Graves
OBJECTIFS: Accroître la sensibilisation à la consommation problématique de substances psychoactives pendant la grossesse et les connaissances à ce sujet, et formuler des recommandations factuelles relatives à la prise en charge de cet épineux problème clinique à l'intention de l'ensemble des fournisseurs de soins. OPTIONS: La présente directive clinique analyse l'utilisation d'outils de dépistage, l'approche générale de soins et les recommandations pour la prise en charge clinique de la consommation problématique de substances psychoactives pendant la grossesse...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28935036/inferior-vena-cava-filters-to-prevent-pulmonary-embolism-systematic-review-and%C3%A2-meta-analysis
#16
Behnood Bikdeli, Saurav Chatterjee, Nihar R Desai, Ajay J Kirtane, Mayur M Desai, Michael B Bracken, Frederick A Spencer, Manuel Monreal, Samuel Z Goldhaber, Harlan M Krumholz
BACKGROUND: Inferior vena cava (IVC) filters are widely used for prevention of pulmonary embolism (PE). However, uncertainty persists about their efficacy and safety. OBJECTIVES: The authors conducted a systematic review and meta-analysis of the published reports on the efficacy and safety of IVC filters. METHODS: The authors searched PubMed, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov through October 3, 2016, for randomized controlled trials (RCTs) or prospective controlled observational studies of IVC filters versus none in patients at risk of PE...
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28934760/rare-cancers-the-greatest-inequality-in-cancer-research-and-oncology-treatment
#17
EDITORIAL
Muhammad A Alvi, Richard H Wilson, Manuel Salto-Tellez
No abstract text is available yet for this article.
September 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28934612/measuring-and-modeling-for-the-assessment-of-the-genetic-background-behind-cognitive-processes-in-donkeys
#18
Francisco Javier Navas, Jordi Jordana, José Manuel León, Ander Arando, Gabriela Pizarro, Amy Katherine McLean, Juan Vicente Delgado
New productive niches can offer new commercial perspectives linked to donkeys' products and human therapeutic or leisure applications. However, no assessment for selection criteria has been carried out yet. First, we assessed the animal inherent features and environmental factors that may potentially influence several cognitive processes in donkeys. Then, we aimed at describing a practical methodology to quantify such cognitive processes, seeking their inclusion in breeding and conservation programmes, through a multifactorial linear model...
September 14, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28934331/direct-identification-of-microorganisms-from-thioglycolate-broth-by-maldi-tof-ms
#19
Jorge Arca-Suárez, Fátima Galán-Sánchez, Pilar Marin-Casanova, Manuel A Rodríguez-Iglesias
We developed an easy MALDI-TOF MS-based assay to identify microorganisms directly from thioglycolate broth. A total of 101 positive thioglycolate broths inoculated with 15 different kinds of samples were evaluated. In 91 samples (90.1%), direct MALDI-TOF MS identifications were the same as those obtained after conventional laboratory procedures including subcultures. In 10 samples misidentified by direct processing, yeasts or mixed cultures grew in the thioglycolate subcultures, or high cellular debris hampered a correct analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28934303/characterization-of-the-cpap-treated-patient-population-in-catalonia
#20
Cecilia Turino, Sandra Bertran, Ricard Gavaldá, Ivan Teixidó, Holger Woehrle, Montserrat Rué, Francesc Solsona, Joan Escarrabill, Cristina Colls, Anna García-Altés, Jordi de Batlle, Manuel Sánchez de-la-Torre, Ferran Barbé
There are different phenotypes of obstructive sleep apnoea (OSA), many of which have not been characterised. Identification of these different phenotypes is important in defining prognosis and guiding the therapeutic strategy. The aim of this study was to characterise the entire population of continuous positive airway pressure (CPAP)-treated patients in Catalonia and identify specific patient profiles using cluster analysis. A total of 72,217 CPAP-treated patients who contacted the Catalan Health System (CatSalut) during the years 2012 and 2013 were included...
2017: PloS One
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