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https://www.readbyqxmd.com/read/28088007/impairment-of-host-liver-repopulation-by-transplanted-hepatocytes-in-aged-rats-and-the-release-by-short-term-growth-hormone-treatment
#1
Peggy Stock, Maximilian Bielohuby, Martin S Staege, Mei-Ju Hsu, Martin Bidlingmaier, Bruno Christ
Hepatocyte transplantation is an alternative to whole liver transplantation. Yet, efficient liver repopulation by transplanted hepatocytes is low in livers of old animals. This restraint might be because of the poor proliferative capacity of aged donor hepatocytes or the regenerative impairment of the recipient livers. The age-dependent liver repopulation by transplanted wild-type hepatocytes was investigated in juvenile and senescent rats deficient in dipeptidyl-peptidase IV. Repopulation was quantified by flow cytometry and histochemical estimation of dipeptidyl-peptidase IV enzyme activity of donor cells in the negative host liver...
January 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28087660/the-morphophysiological-dormancy-in-amborella-trichopoda-seeds-is-a-pleisiomorphic-trait-in-angiosperms
#2
Bruno Fogliani, Gildas Gâteblé, Matthieu Villegente, Isabelle Fabre, Nicolas Klein, Nicolas Anger, Carol C Baskin, Charlie P Scutt
BACKGROUND AND AIMS: Recent parsimony-based reconstructions suggest that seeds of early angiosperms had either morphophysiological or physiological dormancy, with the former considered as more probable. The aim of this study was to determine the class of seed dormancy present in Amborella trichopoda, the sole living representative of the most basal angiosperm lineage Amborellales, with a view to resolving fully the class of dormancy present at the base of the angiosperm clade. METHODS: Drupes of A...
January 13, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28087617/in-vitro-activity-of-the-antiasthmatic-drug-zafirlukast-against-the-oral-pathogens-porphyromonas-gingivalis-and-streptococcus-mutans
#3
Evelien Gerits, Isolde Van der Massen, Katleen Vandamme, Kaat De Cremer, Katrijn De Brucker, Karin Thevissen, Bruno P A Cammue, Serge Beullens, Maarten Fauvart, Natalie Verstraeten, Jan Michiels
Oral infections are among the most common diseases worldwide. Many protocols for the prevention and treatment of oral infections have been described, yet no golden standard has been developed so far. The antiseptic chlorhexidine and antibiotics are often used in these treatment procedures. However, long-term use of chlorhexidine can lead to side effects and extensive use of antibiotics can promote the development of antibiotic-resistant bacteria, which in turn can compromise the effectiveness of the treatment...
January 12, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28087036/dermoscopy-reflectance-confocal-microscopy-and-high-definition-optical-coherence-tomography-in-the-diagnosis-of-generalized-argyria
#4
Elisa Cinotti, Bruno Labeille, Catherine Douchet, Frédéric Cambazard, Jean-Luc Perrot
No abstract text is available yet for this article.
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28086945/complete-deltoid-resection-in-early-childhood-without-muscle-transfer-results-in-normal-shoulder-function-at-long-term-follow-up-a-case-report
#5
Annie Arteau, Franziska Seeli, Bruno Fuchs
BACKGROUND: Musculoskeletal tumors involving the deltoid muscle and necessitating its complete resection are rare. The function after complete deltoid resection is reported to be limited, and several authors consider muscle transfer to improve shoulder motion. However, it still remains unclear whether such transfer adds function. To the best of our knowledge, all reports on complete deltoid resection refer to adult patients, and it is unknown what function results after deltoid resection in childhood...
January 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28086907/identification-of-the-main-determinants-of-abdominal-aorta-size-a-screening-by-pocket-size-imaging-device
#6
Roberta Esposito, Federica Ilardi, Vincenzo Schiano Lomoriello, Regina Sorrentino, Vincenzo Sellitto, Giuseppe Giugliano, Giovanni Esposito, Bruno Trimarco, Maurizio Galderisi
BACKGROUND: Ultrasound exam as a screening test for abdominal aorta (AA) can visualize the aorta in 99% of patients and has a sensitivity and specificity approaching 100% in screening settings for aortic aneurysm. Pocket Size Imaging Device (PSID) has a potential value as a screening tool, because of its possible use in several clinical settings. Our aim was to assess the impact of demographics and cardiovascular (CV) risk factors on AA size by using PSID in an outpatient screening. METHODS: Consecutive patients, referring for a CV assessment in a 6 months period, were screened...
January 13, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28086778/diabetes-does-not-impact-the-diagnostic-performance-of-contrast-based-fractional-flow-reserve-insights-from-the-contrast-study
#7
Giuseppe Gargiulo, Eugenio Stabile, Marco Ferrone, Emanuele Barbato, Frederik M Zimmermann, Julien Adjedj, Barry Hennigan, Mitsuaki Matsumura, Nils P Johnson, William F Fearon, Allen Jeremias, Bruno Trimarco, Giovanni Esposito
BACKGROUND: Adenosine-free coronary pressure wire metrics have been proposed to test the functional significance of coronary artery lesions, but it is unexplored whether their diagnostic performance might be altered in patients with diabetes. METHODS: We performed a post-hoc analysis of the CONTRAST study, which prospectively enrolled an international cohort of patients undergoing routine fractional flow reserve (FFR) assessment for standard indications. Paired, repeated measurements of all physiology metrics (Pd/Pa, iFR, contrast-based FFR, and FFR) were made...
January 13, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28081462/in%C3%A2-vitro-evaluation-of-biodegradable-lignin-based-nanoparticles-for-drug-delivery-and-enhanced-antiproliferation-effect-in-cancer-cells
#8
Patrícia Figueiredo, Kalle Lintinen, Alexandros Kiriazis, Ville Hynninen, Zehua Liu, Tomás Bauleth-Ramos, Antti Rahikkala, Alexandra Correia, Tomáš Kohout, Bruno Sarmento, Jari Yli-Kauhaluoma, Jouni Hirvonen, Olli Ikkala, Mauri A Kostiainen, Hélder A Santos
Currently, nanosystems have been developed and applied as promising vehicles for different biomedical applications. We have developed three lignin nanoparticles (LNPs): pure lignin nanoparticles (pLNPs), iron(III)-complexed lignin nanoparticles (Fe-LNPs), and Fe3O4-infused lignin nanoparticles (Fe3O4-LNPs) with round shape, narrow size distribution, reduced polydispersity and good stability at pH 7.4. The LNPs showed low cytotoxicity in all the tested cell lines and hemolytic rates below 12% after 12 h of incubation...
January 2, 2017: Biomaterials
https://www.readbyqxmd.com/read/28079522/protection-from-within
#9
Florent Masson, Bruno Lemaitre
The development of the tsetse fly immune system relies on a cue from an endosymbiotic bacterium called Wigglesworthia.
January 12, 2017: ELife
https://www.readbyqxmd.com/read/28079508/management-of-dyslipidemia-in-high-risk-patients-with-recent-onset-rheumatoid-arthritis-targets-still-not-met-despite-specific-recommendations-results-from-the-espoir-cohort-during-the-first-five-years-of-follow-up
#10
Anne Tournadre, Bruno Pereira, Jean-Jacques Dubost, Nathalie Rincheval, Anne Christine Rat, Bernard Combe, Martin Soubrier
OBJECTIVES: Reduction of LDL-cholesterol (LDLc) is essential to decrease the cardiovascular mortality in rheumatoid arthritis (RA). Between 2005 and 2010, French recommendations for dyslipidaemia defined the LDLc target based on the number of cardiovascular risk factors. In 2006, it was recommended to consider LDLc objectives with RA being counted as an additional cardiovascular risk factor. Our objective was to assess lipid target achievement between 2006 and 2010 in a cohort of patients with recent-onset RA...
January 4, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28079473/protective-immunity-against-influenza-in-hla-a2-transgenic-mice-by-modified-vaccinia-virus-ankara-vectored-vaccines-containing-internal-influenza-proteins
#11
Giuseppina Di Mario, Ester Sciaraffia, Marzia Facchini, Francesco Gubinelli, Elisa Soprana, Maddalena Panigada, Valentina Bernasconi, Bruno Garulli, Antonio Siccardi, Isabella Donatelli, Maria R Castrucci
BACKGROUND: The emergence of novel strains of influenza A viruses with hemagglutinins (HAs) that are antigenically distinct from those circulating in humans, and thus have pandemic potential, pose concerns and call for the development of more broadly protective influenza vaccines. In the present study, modified vaccinia virus Ankara (MVA) encoding internal influenza antigens were evaluated for their immunogenicity and ability to protect HLA-A2.1 transgenic (AAD) mice from infection with influenza viruses...
January 12, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28079396/does-brain-creatine-content-rely-on-exogenous-creatine-in-healthy-youth-a-proof-of-principle-study
#12
Carlos Alberto Abujabra Merege-Filho, Maria Concepción Garcia Otaduy, Ana Lúcia de Sá-Pinto, Maira Okada de Oliveira, Lívia de Souza Gonçalves, Ana Paula Tanaka Hayashi, Hamilton Roschel, Rosa Maria Rodrigues Pereira, Clovis Artur Silva, Sonia Maria Dozzi Brucki, Claudia da Costa Leite, Bruno Gualano
It has been hypothesized that dietary creatine could influence cognitive performance by increasing brain creatine in developing individuals. This double-blind, randomized, placebo-controlled, proof-of-principle study aimed to investigate the effects of creatine supplementation on cognitive function and brain creatine content in healthy youth. The sample comprised 67 healthy participants aged 10 to 12 years. The participants were given creatine or placebo supplementation for 7 days. At baseline and after the intervention, participants undertook a battery of cognitive tests...
October 5, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28079302/molecular-basis-for-covalent-inhibition-of-glyceraldehyde-3-phosphate-dehydrogenase-by-a-2-phenoxy-1-4-naphthoquinone-small-molecule
#13
Stefano Bruno, Elisa Uliassi, Mirko Zaffagnini, Federica Prati, Christian Bergamini, Riccardo Amorati, Gianluca Paredi, Marilena Margiotta, Paola Conti, Maria Paola Costi, Marcel Kaiser, Andrea Cavalli, Romana Fato, Maria Laura Bolognesi
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) has recently gained attention as an anti-protozoan and anti-cancer drug target. We have previously identified 2-phenoxy-1,4-naphthoquinone as an inhibitor of both Trypanosoma brucei and human GAPDH. Herein, through multiple chemical, biochemical, and biological studies, and through the design of analogs, we confirmed the formation of a covalent adduct, we clarified the inhibition mechanism and we demonstrated antitrypanosomal, antiplasmodial and cytotoxic activities in cell cultures...
January 12, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28079233/suspected-blood-indicator-in-capsule-endoscopy-a-valuable-tool-for-gastrointestinal-bleeding-diagnosis
#14
Pedro Boal Carvalho, Joana Magalhães, Francisca Dias DE Castro, Sara Monteiro, Bruno Rosa, Maria João Moreira, José Cotter
BACKGROUND: Small bowel bleeding is a leading indication for small bowel capsule endoscopy. The Suspected Blood Indicator (SBI) is a software feature directed to automatically detect bleeding lesions during small bowel capsule endoscopy. OBJECTIVE: - We aimed to assess SBI diagnostic accuracy for small bowel haemorrhage or potentially bleeding lesions during small bowel capsule endoscopy for small bowel bleeding. Methods - Single-centre retrospective study including 281 consecutive small bowel capsule endoscopy performed for small bowel bleeding during 6 years...
January 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28079134/topological-features-of-vector-vortex-beams-perturbed-with-uniformly-polarized-light
#15
Alessio D'Errico, Maria Maffei, Bruno Piccirillo, Corrado de Lisio, Filippo Cardano, Lorenzo Marrucci
Optical singularities manifesting at the center of vector vortex beams are unstable, since their topological charge is higher than the lowest value permitted by Maxwell's equations. Inspired by conceptually similar phenomena occurring in the polarization pattern characterizing the skylight, we show how perturbations that break the symmetry of radially symmetric vector beams lead to the formation of a pair of fundamental and stable singularities, i.e. points of circular polarization. We prepare a superposition of a radial (or azimuthal) vector beam and a uniformly linearly polarized Gaussian beam; by varying the amplitudes of the two fields, we control the formation of pairs of these singular points and their spatial separation...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079116/katanin-p80-numa-and-cytoplasmic-dynein-cooperate-to-control-microtubule-dynamics
#16
Mingyue Jin, Oz Pomp, Tomoyasu Shinoda, Shiori Toba, Takayuki Torisawa, Ken'ya Furuta, Kazuhiro Oiwa, Takuo Yasunaga, Daiju Kitagawa, Shigeru Matsumura, Takaki Miyata, Thong Teck Tan, Bruno Reversade, Shinji Hirotsune
Human mutations in KATNB1 (p80) cause severe congenital cortical malformations, which encompass the clinical features of both microcephaly and lissencephaly. Although p80 plays critical roles during brain development, the underlying mechanisms remain predominately unknown. Here, we demonstrate that p80 regulates microtubule (MT) remodeling in combination with NuMA (nuclear mitotic apparatus protein) and cytoplasmic dynein. We show that p80 shuttles between the nucleus and spindle pole in synchrony with the cell cycle...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078944/rethinking-the-relationship-between-socio-economic-status-and-health-making-the-case-for-sociological-theory-in-health-inequality-research
#17
Emil Øversveen, Håvard T Rydland, Clare Bambra, Terje A Eikemo
AIM: The aim of this study is to analyse previous explanations of social inequality in health and argue for a closer integration of sociological theory into future empirical research. METHODS: We examine cultural-behavioural, materialist, psychosocial and life-course approaches, in addition to fundamental cause theory. Giddens' structuration theory and a neo-materialist approach, inspired by Bruno Latour, Gilles Deleuze and Felix Guattari, are proposed as ways of rethinking the causal relationship between socio-economic status and health...
January 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28078606/arterial-stiffness-in-aortic-stenosis-relationship-with-severity-and-echocardiographic-procedures-response
#18
Giuseppe Bruschi, Alessandro Maloberti, Paola Sormani, Giulia Colombo, Stefano Nava, Paola Vallerio, Francesca Casadei, Jolie Bruno, Antonella Moreo, Bruno Merlanti, Claudio Russo, Fabrizio Oliva, Silvio Klugmann, Cristina Giannattasio
INTRODUCTION: Aortic stenosis (AS) is more than only a degenerative disease, it could be also an atherosclerotic-like process involving the valve instead of the vessels. Little is known about the relation of arterial stiffness and AS. AIM: We sought to determine wether pulse wave velocity (PWV), is related to AS severity and to the procedures response, both as surgical aortic-valve-replacement (AVR) and trascatheter-aortic-valve-implantation (TAVI). METHODS: 30 patients with severe AS were treated (15 AVR, 15 TAVI)...
January 11, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28078596/liquid-chromatography-high-resolution-mass-spectrometry-method-to-study-sphingolipid-metabolism-changes-in-response-to-cd95l
#19
Fatima Bilal, Michaël Pérès, Pauline Le Faouder, Aude Dupuy, Justine Bertrand-Michel, Nathalie Andrieu-Abadie, Thierry Levade, Bassam Badran, Ahmad Daher, Bruno Ségui
Sphingolipids are sphingoid base-containing lipids, among which some metabolites behave as bioactive molecules in various biological processes, including cell death. Whereas ceramide is now viewed as an anti-oncometabolite, leading to cancer cell death, CD95L-induced apoptosis is associated with sphingolipid changes, which likely contribute to caspase-dependent signaling pathway activation. Here, we describe Liquid Chromatography-high resolution mass spectrometry method (LC-HRMS) to analyze sphingolipid metabolism changes triggered by CD95L...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28078595/method-to-measure-sphingomyelin-synthase-activity-changes-in-response-to-cd95l
#20
Fatima Bilal, Michaël Pérès, Nathalie Andrieu-Abadie, Thierry Levade, Bassam Badran, Ahmad Daher, Bruno Ségui
Sphingomyelin synthases 1 and 2 convert the anti-oncometabolite ceramide to sphingomyelin, the most abundant sphingolipid in plasma membrane. CD95L-induced ceramide increase is associated with the caspase-dependent inhibition of sphingomyelin synthesis, which enhances the mitochondrial route to apoptosis. Knocking down sphingomyelin synthase 1 or inhibiting sphingomyelin synthesis facilitates ceramide accumulation, cytochrome c release from mitochondria, and caspase-9 activation in cancer cell upon CD95L treatment...
2017: Methods in Molecular Biology
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