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https://www.readbyqxmd.com/read/28724227/carbon-and-nitrogen-allocation-strategy-in-posidonia-oceanica-is-altered-by-seawater-acidification
#1
Andrea Scartazza, Stefano Moscatello, Olga Gavrichkova, Maria Cristina Buia, Marco Lauteri, Alberto Battistelli, Maurizio Lorenti, Samantha Laird Garrard, Carlo Calfapietra, Enrico Brugnoli
Rising atmospheric CO2 causes ocean acidification that represents one of the major ecological threats for marine biota. We tested the hypothesis that long-term exposure to increased CO2 level and acidification in a natural CO2 vent system alters carbon (C) and nitrogen (N) metabolism in Posidonia oceanica L. (Delile), affecting its resilience, or capability to restore the physiological homeostasis, and the nutritional quality of organic matter available for grazers. Seawater acidification decreased the C to N ratio in P...
July 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28723801/multidisciplinary-approach-and-long-term-follow-up-in-a-series-of-640-consecutive-patients-with-sarcoidosis-cohort-study-of-a-40-year-clinical-experience-at-a-tertiary-referral-center-in-barcelona-spain
#2
Juan Mañá, Manuel Rubio-Rivas, Nadia Villalba, Joaquim Marcoval, Adriana Iriarte, María Molina-Molina, Roger Llatjos, Olga García, Sergio Martínez-Yélamos, Vanessa Vicens-Zygmunt, Cristina Gámez, Ramón Pujol, Xavier Corbella
Cohort studies of large series of patients with sarcoidosis over a long period of time are scarce. The aim of this study is to report a 40-year clinical experience of a large series of patients at Bellvitge University Hospital, a tertiary university hospital in Barcelona, Spain. Diagnosis of sarcoidosis required histological confirmation except in certain specific situations. All patients underwent a prospective study protocol. Clinical assessment and follow-up of patients were performed by a multidisciplinary team...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28723659/data-driven-analysis-of-immune-infiltrate-in-a-large-cohort-of-breast-cancer-and-its-association-with-disease-progression-er-activity-and-genomic-complexity
#3
Ruth Dannenfelser, Marianne Nome, Andliena Tahiri, Josie Ursini-Siegel, Hans Kristian Moen Vollan, Vilde D Haakensen, Åslaug Helland, Bjørn Naume, Carlos Caldas, Anne-Lise Børresen-Dale, Vessela N Kristensen, Olga G Troyanskaya
The tumor microenvironment is now widely recognized for its role in tumor progression, treatment response, and clinical outcome. The intratumoral immunological landscape, in particular, has been shown to exert both pro-tumorigenic and anti-tumorigenic effects. Identifying immunologically active or silent tumors may be an important indication for administration of therapy, and detecting early infiltration patterns may uncover factors that contribute to early risk. Thus far, direct detailed studies of the cell composition of tumor infiltration have been limited; with some studies giving approximate quantifications using immunohistochemistry and other small studies obtaining detailed measurements by isolating cells from excised tumors and sorting them using flow cytometry...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723607/production-of-recombinant-porin-from-y-pseudotuberculosis-in-a-water-soluble-form-for-pseudotuberculosis-diagnostics
#4
Vasily A Golotin, Olga Y Portnyagina, Natalia S Chopenko, Natalia Y Kim, Valery A Rasskazov, Olga D Novikova
OmpF porin from the outer membrane of Yersinia pseudotuberculosis was cloned into pET-40b(+) plasmid. Using E. coli Rosetta (DE3) strain, MX-medium, IPTG concentration of 0.2 mM and post-induction cultivation at 14 °C overnight allowed us to obtain a water-soluble form of the recombinant protein (rs-OmpF). Rs-OmpF was shown to have the ordered spatial structure at the levels of secondary and tertiary structure. Rs-OmpF was found to be effective as diagnostic antigen in ELISA for pseudotuberculosis diagnostics...
July 26, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28723420/plant-and-yeast-cornichon-possess-a-conserved-acidic-motif-required-for-correct-targeting-of-plasma-membrane-cargos
#5
Paul Rosas-Santiago, Daniel Lagunas-Gomez, Carolina Yáñez-Domínguez, Rosario Vera-Estrella, Olga Zimmermannova, Hana Sychrová, Omar Pantoja
The export of membrane proteins along the secretory pathway is initiated at the endoplasmic reticulum after proteins are folded and packaged inside this organelle by their recruiting into the coat complex COPII vesicles. It is proposed that cargo receptors are required for the correct transport of proteins to its target membrane, however, little is known about ER export signals for cargo receptors. Erv14/Cornichon belong to a well conserved protein family in Eukaryotes, and have been proposed to function as cargo receptors for many transmembrane proteins...
July 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28723231/fear-of-cancer-recurrence-in-an-era-of-personalized-medicine
#6
Belinda Thewes, Olga Husson, Hanneke Poort, Jose A E Custers, Phyllis N Butow, Sue-Anne McLachlan, Judith B Prins
No abstract text is available yet for this article.
July 19, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28723093/plasmonic-aerogels-as-a-3d-nanoscale-platform-for-solar-fuels-photocatalysis
#7
Paul A DeSario, Jeremy J Pietron, Adam Dunkelberger, Todd H Brintlinger, Olga Baturina, Rhonda M Stroud, Jeffrey C Owrutsky, Debra R Rolison
We use plasmonic Au-TiO2 aerogels as a platform in which to marry synthetically thickened particle-particle junctions in TiO2 aerogel networks and Au||TiO2 interfaces and then investigate their cooperative influence on photocatalytic hydrogen (H2) generation under both broadband (i.e., UV + visible light) and visible-only excitation. In doing so, we elucidate the dual functions that incorporated Au can play as a water reduction/H2 generation co-catalyst and as a plasmonic sensitizer. We also introduce non-plasmonic Pt co-catalyst nanoparticles into our composite aerogels in order to leverage the catalytic water-reducing abilities of Pt...
July 19, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28722472/1-benzenesulfonyl-1-5-dihydro-4-1-benzoxazepine-as-a-new-scaffold-for-the-design-of-antitumor-compounds
#8
Olga Cruz-López, Alberto Ramírez, Saúl A Navarro, María A García, Juan A Marchal, Joaquín M Campos, Ana Conejo-García
AIM: Bozepinib is a potent and selective anticancer compound which chemical structure is made up of a benzofused seven-membered ring and a purine moiety. We previously demonstrated that the purine fragment does not exert antiproliferative effect per se. METHODOLOGY: A series of 1-(benzenesulfonyl)-4,1-benzoxazepine derivatives were synthesized in order to study the influence of the benzofused seven-membered ring in the biological activity of bozepinib by means of antiproliferative, cell cycle and apoptosis studies...
July 19, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28720458/prevalence-of-cutaneous-beta-and-gamma-human-papillomaviruses-in-the-anal-canal-of-men-who-have-sex-with-women
#9
Vitaly Smelov, Rachel Hanisch, Sandrine McKay-Chopin, Olga Sokolova, Carina Eklund, Boris Komyakov, Tarik Gheit, Massimo Tommasino
BACKGROUND: Data regarding anal cutaneous HPV detection among HIV-positive and HIV-negative persons largely relies on studies among men who have sex with men in limited geographical settings. Understanding the distribution, determinants, and potential human health effects of anal cutaneous HPV types among men who have sex with women (MSW) is important. METHODS: Anal canal swab samples from 415 Russian MSW (384 HIV-negative and 31 HIV-positive) were tested for 43 β-HPVs and 29 γ-HPVs, using a multiplex PCR combined with Luminex technology...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720253/pulmonary-actinomycosis-in-a-patient-with-chronic-eosinophilic-pneumonia-treated-with-omalizumab
#10
Marta Erro Iribarren, Carolina Cisneros Serrano, Olga Rajas Naranjo, Elena García Castillo
No abstract text is available yet for this article.
July 15, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28719845/the-effects-of-ibuprofen-on-activated-sludge-shift-in-bacterial-community-structure-and-resistance-to-ciprofloxacin
#11
Madars Davids, Dita Gudra, Ilze Radovica-Spalvina, Davids Fridmanis, Vadims Bartkevics, Olga Muter
Ibuprofen (IBP) is ranked at the 4th place among 57 pharmaceutical compounds according to the number of citations in prioritization documents. The response of microbial community of activated sludge to IBP was studied at the concentrations of 50-5000mg/L. Batch incubation was performed in an OxiTop® device for 21days. The reduction of biological oxygen demand depended on the IBP concentration and varied in the range from 321 to 107mg O2/L. Massive DNA sequencing analysis of the activated sludge revealed that Proteobacteria became more dominant when grown in the presence of IBP...
June 28, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28719663/the-prevalence-of-familial-hypercholesterolemia-in-the-west-siberian-region-of-the-russian-federation-a-substudy-of-the-esse-rf
#12
Alexandra I Ershova, Alexey N Meshkov, Stepan S Bazhan, Marina A Storozhok, Alexey Y Efanov, Irina V Medvedeva, Elena V Indukaeva, Yana V Danilchenko, Olga K Kuzmina, Olga L Barbarash, Alexander D Deev, Svetlana A Shalnova, Sergey A Boytsov
BACKGROUND: The prevalence of familial hypercholesterolemia (FH) in Russia has not previously been evaluated. The aim of our study was to investigate the prevalence of FH in the population of the West Siberian region of Russia, and then estimate the frequency of coronary artery disease (CAD) and treatment with cholesterol-lowering medication in FH patients. METHODS: The sample of our study consisted of participants from the population-based cohort of The Epidemiology of Cardiovascular Risk Factors and Diseases in Regions of the Russian Federation Study (ESSE-RF), conducted in the Tyumen and Kemerovo regions (1,630 and 1,622 people, respectively, aged 25-64)...
2017: PloS One
https://www.readbyqxmd.com/read/28719244/evaluation-of-the-use-of-zero-augmented-regression-techniques-to-model-incidence-of-campylobacter-infections-in-foodnet
#13
Marlène Tremblay, Stacy M Crim, Dana J Cole, Robert M Hoekstra, Olga L Henao, Dörte Döpfer
The Foodborne Diseases Active Surveillance Network (FoodNet) is currently using a negative binomial (NB) regression model to estimate temporal changes in the incidence of Campylobacter infection. FoodNet active surveillance in 483 counties collected data on 40,212 Campylobacter cases between years 2004 and 2011. We explored models that disaggregated these data to allow us to account for demographic, geographic, and seasonal factors when examining changes in incidence of Campylobacter infection. We hypothesized that modeling structural zeros and including demographic variables would increase the fit of FoodNet's Campylobacter incidence regression models...
July 18, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28719224/cardiometabolic-risk-factors-and-health-related-quality-of-life-in-adolescents-with-obesity
#14
Anna Pogodina, Ljubov Rychkova, Olga Kravtzova, Juliana Klimkina, Arjuna Kosovtzeva
BACKGROUND: A number of research studies have demonstrated a decrease in health-related quality of life (HRQL) measures among obese children. Moreover, the causes of HRQL impairments are not completely clear. Adolescent obesity is oftentimes associated with other cardiometabolic risk factors (CRFs); hence, the aim of our research was to estimate the frequency of CRFs and to determine whether there is an association between CRFs and HRQL scores among obese adolescents. METHODS: Our research included 92 treatment-seeking obese adolescents (11-17 years), 34 males...
July 18, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28718656/intermediate-valence-ytterbium-compound-yb4ga24pt9-synthesis-crystal-structure-and-physical-properties
#15
Olga Sichevych, Yurii Prots, Yuki Utsumi, Lev Akselrud, Marcus Schmidt, Ulrich Burkhardt, Mauro Coduri, Walter Schnelle, Matej Bobnar, Yu-Ting Wang, Yu-Han Wu, Ku-Ding Tsuei, Liu Hao Tjeng, Yuri Grin
The title compound was synthesized by a reaction of the elemental educts in a corundum crucible at 1200 °C under an Ar atmosphere. The excess of Ga used in the initial mixture served as a flux for the subsequent crystal growth at 600 °C. The crystal structure of Yb4Ga24Pt9 was determined from single-crystal X-ray diffraction data: new prototype of crystal structure, space group C2/m, Pearson symbol mS74, a = 7.4809(1) Å, b = 12.9546(2) Å, c = 13.2479(2) Å, β = 100.879(1)°, V = 1260.82(6) Å(3), RF = 0...
July 18, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28717654/fusion-to-flaviviral-leader-peptide-targets-hiv-1-reverse-transcriptase-for-secretion-and-reduces-its-enzymatic-activity-and-ability-to-induce-oxidative-stress-but-has-no-major-effects-on-its-immunogenic-performance-in-dna-immunized-mice
#16
Anastasia Latanova, Stefan Petkov, Yulia Kuzmenko, Athina Kilpeläinen, Alexander Ivanov, Olga Smirnova, Olga Krotova, Sergey Korolev, Jorma Hinkula, Vadim Karpov, Maria Isaguliants, Elizaveta Starodubova
Reverse transcriptase (RT) is a key enzyme in viral replication and susceptibility to ART and a crucial target of immunotherapy against drug-resistant HIV-1. RT induces oxidative stress which undermines the attempts to make it immunogenic. We hypothesized that artificial secretion may reduce the stress and make RT more immunogenic. Inactivated multidrug-resistant RT (RT1.14opt-in) was N-terminally fused to the signal providing secretion of NS1 protein of TBEV (Ld) generating optimized inactivated Ld-carrying enzyme RT1...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28717589/association-of-polymorphic-markers-of-genes-fto-kcnj11-cdkal1-slc30a8-and-cdkn2b-with-type-2-diabetes-mellitus-in-the-russian-population
#17
Aleksey G Nikitin, Viktor Y Potapov, Olga I Brovkina, Ekaterina O Koksharova, Dmitry S Khodyrev, Yury I Philippov, Marina S Michurova, Minara S Shamkhalova, Olga K Vikulova, Svetlana A Smetanina, Lyudmila A Suplotova, Irina V Kononenko, Viktor Y Kalashnikov, Olga M Smirnova, Alexander Y Mayorov, Valery V Nosikov, Alexander V Averyanov, Marina V Shestakova
BACKGROUND: The association of type 2 diabetes mellitus (T2DM) with the KCNJ11, CDKAL1, SLC30A8, CDKN2B, and FTO genes in the Russian population has not been well studied. In this study, we analysed the population frequencies of polymorphic markers of these genes. METHODS: The study included 862 patients with T2DM and 443 control subjects of Russian origin. All subjects were genotyped for 10 single nucleotide polymorphisms (SNPs) of the genes using real-time PCR (TaqMan assays)...
2017: PeerJ
https://www.readbyqxmd.com/read/28717416/feasibility-of-urinary-extracellular-vesicle-proteome-profiling-using-a-robust-and-simple-clinically-applicable-isolation-method
#18
Irene V Bijnsdorp, Olga Maxouri, Aarzo Kardar, Tim Schelfhorst, Sander R Piersma, Thang V Pham, Andre Vis, R Jeroen van Moorselaar, Connie R Jimenez
Extracellular vesicles (EVs) secreted by prostate cancer (PCa) cells contain specific biomarkers and can be isolated from urine. Collection of urine is not invasive, and therefore urinary EVs represent a liquid biopsy for diagnostic and prognostic testing for PCa. In this study, we optimised urinary EV isolation using a method based on heat shock proteins and compared it to gold-standard ultracentrifugation. The urinary EV isolation protocol using the Vn96-peptide is easier, time convenient (≈1.5 h) and no special equipment is needed, in contrast to ultracentrifugation protocol (>3...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28717017/modulation-of-lipid-biosynthesis-by-stress-in-diatoms
#19
REVIEW
Olga Sayanova, Virginie Mimouni, Lionel Ulmann, Annick Morant-Manceau, Virginie Pasquet, Benoît Schoefs, Johnathan A Napier
Diatoms are responsible for up to 40% of the carbon fixation in our oceans. The fixed carbon is moved through carbon metabolism towards the synthesis of organic molecules that are consumed through interlocking foodwebs, and this process is strongly impacted by the abiotic environment. However, it has become evident that diatoms can be used as 'platform' organisms for the production of high valuable bio-products such as lipids, pigments and carbohydrates where stress conditions can be used to direct carbon metabolism towards the commercial production of these compounds...
September 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28716882/protein-kinase-d-at-the-golgi-controls-nlrp3-inflammasome-activation
#20
Zhirong Zhang, Gergö Meszaros, Wan-Ting He, Yanfang Xu, Helena de Fatima Magliarelli, Laurent Mailly, Michael Mihlan, Yansheng Liu, Marta Puig Gámez, Alexander Goginashvili, Adrien Pasquier, Olga Bielska, Bénédicte Neven, Pierre Quartier, Rudolf Aebersold, Thomas F Baumert, Philippe Georgel, Jiahuai Han, Romeo Ricci
The inflammasomes are multiprotein complexes sensing tissue damage and infectious agents to initiate innate immune responses. Different inflammasomes containing distinct sensor molecules exist. The NLRP3 inflammasome is unique as it detects a variety of danger signals. It has been reported that NLRP3 is recruited to mitochondria-associated endoplasmic reticulum membranes (MAMs) and is activated by MAM-derived effectors. Here, we show that in response to inflammasome activators, MAMs localize adjacent to Golgi membranes...
July 17, 2017: Journal of Experimental Medicine
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