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https://www.readbyqxmd.com/read/28335507/hydroxytyrosol-in-the-prevention-of-the-metabolic-syndrome-and-related-disorders
#1
REVIEW
Julien Peyrol, Catherine Riva, Marie Josèphe Amiot
Virgin olive oil (VOO) constitutes the main source of fat in the Mediterranean diet. VOO is rich in oleic acid, displaying health-promoting properties, but also contains minor bioactive components, especially phenolic compounds. Hydroxytyrosol (HT), the main polyphenol of olive oil, has been reported to be the most bioactive component. This review aims to compile the results of clinical, animal and cell culture studies evaluating the effects of HT on the features of Metabolic Syndrome (MetS) (body weight/adiposity, dyslipidemia, hypertension, and hyperglycemia/insulin resistance) and associated complications (oxidative stress and inflammation)...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28335278/recent-prospects-in-the-inline-monitoring-of-nanocomposites-and-nanocoatings-by-optical-technologies
#2
REVIEW
Elodie Bugnicourt, Timothy Kehoe, Marcos Latorre, Cristina Serrano, Séverine Philippe, Markus Schmid
Nanostructured materials have emerged as a key research field in order to confer materials with unique or enhanced properties. The performance of nanocomposites depends on a number of parameters, but the suitable dispersion of nanoparticles remains the key in order to obtain the full nanocomposites' potential in terms of, e.g., flame retardance, mechanical, barrier, thermal properties, etc. Likewise, the performance of nanocoatings to obtain, for example, tailored surface affinity with selected liquids (e.g...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335228/fabricating-water-dispersible-superparamagnetic-iron-oxide-nanoparticles-for-biomedical-applications-through-ligand-exchange-and-direct-conjugation
#3
Tina Lam, Pramod K Avti, Philippe Pouliot, Foued Maafi, Jean-Claude Tardif, Éric Rhéaume, Frédéric Lesage, Ashok Kakkar
Stable superparamagnetic iron oxide nanoparticles (SPIONs), which can be easily dispersed in an aqueous medium and exhibit high magnetic relaxivities, are ideal candidates for biomedical applications including contrast agents for magnetic resonance imaging. We describe a versatile methodology to render water dispersibility to SPIONs using tetraethylene glycol (TEG)-based phosphonate ligands, which are easily introduced onto SPIONs by either a ligand exchange process of surface-anchored oleic-acid (OA) molecules or via direct conjugation...
May 26, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334971/expanding-glycosaminoglycan-chemical-space-towards-the-creation-of-sulfated-analogs-novel-polymers-and-chimeric-constructs
#4
Rachel S Lane, Kalib St Ange, Behnam Zolghadr, Xinyue Liu, Christina Schäffer, Robert J Linhardt, Paul L DeAngelis
Glycosaminoglycans (GAGs) have therapeutic potential in areas ranging from angiogenesis, inflammation, hemostasis and cancer. GAG bioactivity is conferred by intrinsic structural features, such as disaccharide composition, glycosidic linkages and sulfation pattern. Unfortunately, the in vitro enzymatic synthesis of defined GAGs is quite restricted by a limited understanding of current GAG synthases and modifying enzymes. Our work provides insights into GAG-active enzymes through the creation of sulfated oligosaccharides, a new polysaccharide and chimeric polymers...
March 17, 2017: Glycobiology
https://www.readbyqxmd.com/read/28334931/rgf1p-rho1p-gef-is-required-for-double-strand-break-repair-in-fission-yeast
#5
Elvira Manjón, Tomás Edreira, Sofía Muñoz, Yolanda Sánchez
Rho GTPases are conserved molecules that control cytoskeletal dynamics. These functions are expedited by Rho GEFs that stimulate the release of GDP to enable GTP binding, thereby allowing Rho proteins to initiate intracellular signaling. How Rho GEFs and Rho GTPases protect cells from DNA damage is unknown. Here, we explore the extreme sensitivity of a deletion mutation in the Rho1p exchange factor Rgf1p to the DNA break/inducing antibiotic phleomycin (Phl). The Rgf1p mutant cells are defective in reentry into the cell cycle following the induction of severe DNA damage...
March 15, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334923/validated-rp-hplc-dad-method-for-the-quantification-of-insect-repellent-ethyl-2-aminobenzoate-in-membrane-moderated-matrix-type-monolithic-polymeric-device
#6
Johirul Islam, Kamaruz Zaman, Srijita Chakrabarti, Nilutpal Sharma Bora, Santa Mandal, Manash Pratim Pathak, Pakalapati Srinivas Raju, Pronobesh Chattopadhyay
A simple, accurate and sensitive reversed-phase high-performance liquid chromatographic (RP-HPLC) method has been developed for the estimation of ethyl 2-aminobenzoate (EAB) in a matrix type monolithic polymeric device and validated as per the International Conference on Harmonization guidelines. The analysis was performed isocratically on a ZORBAX Eclipse plus C18 analytical column (250 × 4.4 mm, 5 μm) and a diode array detector (DAD) using acetonitrile and water (75:25 v/v) as the mobile phase by keeping the flow-rate constant at 1...
March 14, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28334758/n1-methyl-pseudouridine-in-mrna-enhances-translation-through-eif2%C3%AE-dependent-and-independent-mechanisms-by-increasing-ribosome-density
#7
Yuri V Svitkin, Yi Min Cheng, Tirtha Chakraborty, Vladimir Presnyak, Matthias John, Nahum Sonenberg
Certain chemical modifications confer increased stability and low immunogenicity to in vitro transcribed mRNAs, thereby facilitating expression of therapeutically important proteins. Here, we demonstrate that N1-methyl-pseudouridine (N1mΨ) outperforms several other nucleoside modifications and their combinations in terms of translation capacity. Through extensive analysis of various modified transcripts in cell-free translation systems, we deconvolute the different components of the effect on protein expression independent of mRNA stability mechanisms...
February 23, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334684/biochemical-signaling-by-remote-ischemic-conditioning-of-the-arm-versus-thigh-is-one-raise-of-the-cuff-enough
#8
Cameron Dezfulian, Maia Taft, Catherine Corey, Gabrielle Hill, Nicholas Krehel, Jon C Rittenberger, Frank X Guyette, Sruti Shiva
Remote Ischemic Conditioning (RIC), induced by brief cycles of ischemia and reperfusion, protects vital organs from a prolonged ischemic insult. While several biochemical mediators have been implicated in RIC's mechanism of action, it remains unclear whether the localization or "dose" of RIC affects the extent of protective signaling. In this randomized crossover study of healthy individuals, we tested whether the number of cycles of RIC and its localization (arm versus thigh) determines biochemical signaling and cytoprotection...
March 18, 2017: Redox Biology
https://www.readbyqxmd.com/read/28334586/processes-for-identifying-and-reviewing-adverse-events-and-near-misses-at-an-academic-medical-center
#9
William Martinez, Lisa Soleymani Lehmann, Yue-Yung Hu, Sonali Parekh Desai, Jo Shapiro
BACKGROUND: Conferences, processes, and/or meetings in which adverse events and near misses are reviewed within clinical programs at a single academic medical center were identified. METHODS: Leaders of conferences, processes, or meetings-"process leaders"-in which adverse events and near misses were reviewed were surveyed. RESULTS: On the basis of responses from all 45 process leaders, processes were classified into (1) Morbidity and Mortality Conferences (MMCs), (2) Quality Assurance (QA) Meetings, and (3) Educational Conferences...
January 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334545/-conservative-treatment-of-late-aortic-graft-infection
#10
Peter Baľa, Kamil Zeman, Renata Kološová, Ivo Pavlas, Dušan Kučera
Aortic graft infection is one of the most serious complications of aortovascular surgery. Diagnosis is based on clini-cal and radiologic findings. The emphasis is put on early diagnosis and its impact on prognosis of patients. The management should be individualized. The gold standard is surgical treatment with complete excision of the infected foreign material with debridement of the surrounding tissue and repair of vascular continuity by extra-anatomic bypass or in situ bypass with autologous femoral vein or cryopreserved arterial allografts...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28334441/flexible-parasympathetic-responses-to-sadness-facilitate-spontaneous-affect-regulation
#11
Jonathan P Stange, Jessica L Hamilton, David M Fresco, Lauren B Alloy
The ability of the parasympathetic nervous system to flexibly adapt to changes in environmental context is thought to serve as a physiological indicator of self-regulatory capacity, and deficits in parasympathetic flexibility appear to characterize affective disorders such as depression. However, whether parasympathetic flexibility (vagal withdrawal to emotional or environmental challenges such as sadness, and vagal augmentation during recovery from sadness) could facilitate the effectiveness of adaptive affect regulation strategies is not known...
March 23, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28334427/capnography-versus-standard-monitoring-for-emergency-department-procedural-sedation-and-analgesia
#12
REVIEW
Brian F Wall, Kirk Magee, Samuel G Campbell, Peter J Zed
BACKGROUND: Procedural sedation and analgesia (PSA) is used frequently in the emergency department (ED) to facilitate painful procedures and interventions. Capnography, a monitoring modality widely used in operating room and endoscopy suite settings, is being used more frequently in the ED setting with the goal of reducing cardiopulmonary adverse events. As opposed to settings outside the ED, there is currently no consensus on whether the addition of capnography to standard monitoring modalities reduces adverse events in the ED setting...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334423/are-there-patients-with-t1-to-t2-lymph-node-negative-breast-cancer-who-are-high-risk-for-locoregional-disease-recurrence
#13
Anita Mamtani, Sujata Patil, Michelle M Stempel, Monica Morrow
BACKGROUND: Indications for postmastectomy radiotherapy (PMRT) in patients with T1 to T2, lymph node-negative (N0) breast cancer with "high-risk" features are controversial. The European Organization for Research and Treatment of Cancer (EORTC) 22922 and National Cancer Institute of Canada Clinical Trials Group MA20 trials reporting improved 10-year disease-free survival with lymph node irradiation included patients with high-risk N0 disease, but, to the authors' knowledge, benefits in patients receiving modern systemic therapy are uncertain...
March 23, 2017: Cancer
https://www.readbyqxmd.com/read/28334414/association-of-a-haplotype-in-the-nr3c2-gene-encoding-the-mineralocorticoid-receptor-with-chronic-central-serous-chorioretinopathy
#14
Elon H C van Dijk, Rosa L Schellevis, Maaike G J M van Bergen, Myrte B Breukink, Lebriz Altay, Paula Scholz, Sascha Fauser, Onno C Meijer, Carel B Hoyng, Anneke I den Hollander, Camiel J F Boon, Eiko K de Jong
Importance: Chronic central serous chorioretinopathy (cCSC) is a chorioretinal disease with unknown disease etiology. The glucocorticoid receptor and the mineralocorticoid receptor, 2 glucocorticoid-binding receptors, might be involved in the pathogenesis of cCSC. Objective: To assess the association of functional variants and haplotypes in the glucocorticoid receptor (NR3C1) and mineralocorticoid receptor (NR3C2) genes with cCSC. Design, Setting, and Participants: In this case-control genetic association study, 336 patients with cCSC and 1314 unaffected controls, collected at 3 university medical centers from September 1, 2009, to May 1, 2016, underwent KASP genotyping for selected variants in NR3C1 (rs56149945, rs41423247, and rs6198) and NR3C2 (rs2070951 and rs5522)...
March 23, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28334267/resistomap-online-visualization-of-human-gut-microbiota-antibiotic-resistome
#15
Konstantin S Yarygin, Boris A Kovarsky, Tatyana S Bibikova, Damir S Melnikov, Alexander V Tyakht, Dmitry G Alexeev
Summary: We created ResistoMap - a Web-based interactive visualization of the presence of genetic determinants conferring resistance to antibiotics, biocides and heavy metals in human gut microbiota. ResistoMap displays the data on more than 1500 published gut metagenomes of world populations including both healthy subjects and patients. Multiparameter display filters allow visual assessment of the associations between the meta-data and proportions of resistome. The geographic map navigation layer allows to state hypotheses regarding the global trends of antibiotic resistance and correlate the gut resistome variations with the national clinical guidelines on antibiotics application...
March 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334250/the-use-of-f2-screening-for-detection-of-resistance-to-emamectin-benzoate-chlorantraniliprole-and-indoxacarb-in-australian-populations-of-helicoverpa-armigera-lepidoptera-noctuidae
#16
L J Bird, L J Drynan, P W Walker
The ability to effectively detect changes in susceptibility to insecticides is an integral component of resistance management strategies and is highly dependent upon precision of methods deployed. Between 2013 and 2016, F2 screens were performed for detection of resistance alleles in Helicoverpa armigera (Hübner) to emamectin benzoate, chlorantraniliprole, and indoxacarb in major cropping regions of eastern Australia. Resistance to emamectin benzoate was not detected. There were low but detectable levels of survival at discriminating concentrations of chlorantraniliprole and indoxacarb...
March 3, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334229/functional-and-nonfunctional-forms-of-cquior91-an-odorant-selectivity-subunit-of-culex-quinquefasciatus
#17
David T Hughes, Julien Pelletier, Suhaila Rahman, Sisi Chen, Walter S Leal, Charles W Luetje
In Culex quinquefasciatus, CquiOR91 is the ortholog of 2 larvae-specific odorant receptors (ORs) from Anopheles gambiae (Agam\Or40, previously shown to respond to several odorant ligands including the broad-spectrum repellent N,N-diethyl-3-methylbenzamide, DEET) and Aedes aegypti (Aaeg\Or40). When we cloned full-length CquiOR91 from a Culex quinquefasciatus larval head RNA sample, we found 2 alleles of this OR, differing at 9 residues. Functional analysis using the Xenopus oocyte expression system and 2-electrode voltage clamp electrophysiology revealed one allele (CquiOR91...
March 3, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28334124/a-newly-identified-amino-acid-substitution-t123i-in-the-14%C3%AE-demethylase-erg11p-of-candida-albicans-confers-azole-resistance
#18
YongQin Wu, Ning Gao, Cui Li, Jing Gao, ChunMei Ying
The increasing prevalence of azole resistance in Candida albicans poses a growing problem for clinical treatment. Amino acid substitution of the 14α-demethylase (Erg11p) encoded by the ERG11 gene is one of the most common mechanisms involved in azole resistance. Although amino acid substitutions of Erg11p have been observed in many clinical isolates, only a few amino acid substitutions have been confirmed to be related to azole resistance. In this study, by amplifying and sequencing the open reading frame of the ERG11 gene from 55 clinical isolates, we identified 27 fluconazole-resistant isolates that harbor a novel amino acid substitution, T123I, in Erg11p, in addition to the previously described homozygous substitution Y132H...
February 25, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28334018/development-of-an-evidence-evaluation-and-synthesis-system-for-drug-drug-interactions-and-its-application-to-a-systematic-review-of-hiv-and-malaria-co-infection
#19
Kay Seden, Sara Gibbons, Catia Marzolini, Jonathan M Schapiro, David M Burger, David J Back, Saye H Khoo
BACKGROUND: In all settings, there are challenges associated with safely treating patients with multimorbidity and polypharmacy. The need to characterise, understand and limit harms resulting from medication use is therefore increasingly important. Drug-drug interactions (DDIs) are prevalent in patients taking antiretrovirals (ARVs) and if unmanaged, may pose considerable risk to treatment outcome. One of the biggest challenges in preventing DDIs is the substantial gap between theory and clinical practice...
2017: PloS One
https://www.readbyqxmd.com/read/28334007/a-functional-variant-in-neph3-gene-confers-high-risk-of-renal-failure-in-primary-hematuric-glomerulopathies-evidence-for-predisposition-to-microalbuminuria-in-the-general-population
#20
Konstantinos Voskarides, Charalambos Stefanou, Myrtani Pieri, Panayiota Demosthenous, Kyriakos Felekkis, Maria Arsali, Yiannis Athanasiou, Dimitris Xydakis, Kostas Stylianou, Eugenios Daphnis, Giorgos Goulielmos, Petros Loizou, Judith Savige, Martin Höhne, Linus A Völker, Thomas Benzing, Patrick H Maxwell, Daniel P Gale, Mathias Gorski, Carsten Böger, Barbara Kollerits, Florian Kronenberg, Bernhard Paulweber, Michalis Zavros, Alkis Pierides, Constantinos Deltas
BACKGROUND: Recent data emphasize that thin basement membrane nephropathy (TBMN) should not be viewed as a form of benign familial hematuria since chronic renal failure (CRF) and even end-stage renal disease (ESRD), is a possible development for a subset of patients on long-term follow-up, through the onset of focal and segmental glomerulosclerosis (FSGS). We hypothesize that genetic modifiers may explain this variability of symptoms. METHODS: We looked in silico for potentially deleterious functional SNPs, using very strict criteria, in all the genes significantly expressed in the slit diaphragm (SD)...
2017: PloS One
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