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https://www.readbyqxmd.com/read/28817926/yeast-multistress-resistance-and-lag-phase-characterisation-during-wine-fermentation
#1
David Ferreira, Virginie Galeote, Isabelle Sanchez, Jean-Luc Legras, Anne Ortiz-Julien, Sylvie Dequin
Saccharomyces cerevisiae has been used to perform wine fermentation for several millennia due to its endurance and unmatched qualities. Nevertheless, at the moment of inoculation, wine yeasts must cope with specific stress factors that still challenge wine makers by slowing down or compromising the fermentation process. To better assess the role of genetic and environmental factors that govern multistress resistance during the wine fermentation lag phase, we used a factorial plan to characterise the individual and combined impact of relevant stress factors on eight S...
September 1, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28817862/practice-guidelines-for-hypertension
#2
David Zeigler, Anish Patel, Candace Zeigler
Hypertension is very prevalent in South Dakota affecting approximately one-third of the adult population. Management and treatment of the disease has recently been the subject of considerable debate centered on what should be the blood pressure goal depending on the patient's age and co-morbid conditions. Recently, a randomized trial of intensive versus standard blood pressure control indicated that a systolic blood pressure of less than 120 mmHg in patients at high risk for cardiovascular events but without diabetes, resulted in significantly lower rates of non-fatal major cardiovascular events and death from any cause...
2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28817825/muscle-strength-and-muscle-mass-in-older-patients-during-hospitalization-the-empower-study
#3
Jeanine M Van Ancum, Kira Scheerman, Vincent D Pierik, Siger T Numans, Sjors Verlaan, Hanne E Smeenk, Monique Slee-Valentijn, Roeliene C Kruizinga, Carel G M Meskers, Andrea B Maier
BACKGROUND: Low muscle strength and muscle mass are associated with an increased length of hospital stay and higher mortality rate in inpatients. To what extent hospitalization affects muscle strength and muscle mass is unclear. OBJECTIVE: We aimed to assess muscle strength and muscle mass at admission and during hospitalization in older patients and its relation with being at risk of geriatric conditions. METHODS: The EMPOWER study included patients aged 70 years and older, admitted to 4 wards of the VU University Medical Center in the Netherlands between April and December 2015...
August 18, 2017: Gerontology
https://www.readbyqxmd.com/read/28817824/parametric-linkage-analysis-identifies-five-novel-genome-wide-significant-loci-for-familial-lung-cancer
#4
Anthony M Musolf, Claire L Simpson, Mariza de Andrade, Diptasri Mandal, Colette Gaba, Ping Yang, Yafang Li, Ming You, Elena Y Kupert, Marshall W Anderson, Ann G Schwartz, Susan M Pinney, Christopher I Amos, Joan E Bailey-Wilson
OBJECTIVE: One of four American cancer patients dies of lung cancer. Environmental factors such as tobacco smoking are known to affect lung cancer risk. However, there is a genetic factor to lung cancer risk as well. Here, we perform parametric linkage analysis on family-based genotype data in an effort to find genetic loci linked to the disease. METHODS: 197 individuals from families with a high-risk history of lung cancer were recruited and genotyped using an Illumina array...
August 18, 2017: Human Heredity
https://www.readbyqxmd.com/read/28817820/endo-urological-techniques-for-benign-uretero-ileal-strictures-have-poor-efficacy-and-affect-renal-function
#5
Elisabeth E Fransen van de Putte, Liesbeth L de Wall, Erik van Werkhoven, Eddi A Heldeweg, Axel Bex, Henk G van der Poel, Bas W G van Rhijn, Simon Horenblas, Kees Hendricksen
INTRODUCTION: Uretero-ileal strictures (UES) following urinary diversion are therapeutically challenging. We compared the efficacy, safety and renal outcome following therapeutic endo-urological techniques (EUTs) and open surgical revision of the anastomosis (SRA) for UES. MATERIAL AND METHODS: We retrospectively analysed all EUTs and SRAs performed for UES in 2 hospitals between 1987 and 2015. Restenosis was defined as recurrent radiographically diagnosed hydronephrosis and re-intervention...
August 18, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28817742/minimum-abutment-height-to-eliminate-bone-loss-influence-of-implant-neck-design-and-platform-switching
#6
Sergio Spinato, Pablo Galindo-Moreno, Fabio Bernardello, Davide Zaffe
PURPOSE: This retrospective study quantitatively analyzed the minimum prosthetic abutment height to eliminate bone loss after 4.7-mm-diameter implant placement in maxillary bone and how grafting techniques can affect the marginal bone loss in implants placed in maxillary areas. MATERIALS AND METHODS: Two different implant types with a similar neck design were singularly placed in two groups of patients: the test group, with platform-switched implants, and the control group, with conventional (non-platform-switched) implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817727/pilot-study-of-lithium-to-restore-intestinal-barrier-function-in-severe-graft-versus-host-disease
#7
Gideon Steinbach, David M Hockenbery, Gerwin Huls, Terry Furlong, David Myerson, Keith R Loeb, Jesse R Fann, Christina Castilla-Llorente, George B McDonald, Paul J Martin
Severe intestinal graft-vs-host disease (GVHD) after allogeneic hematopoietic cell transplantation (HCT) causes mucosal ulceration and induces innate and adaptive immune responses that amplify and perpetuate GVHD and the associated barrier dysfunction. Pharmacological agents to target mucosal barrier dysfunction in GVHD are needed. We hypothesized that induction of Wnt signaling by lithium, an inhibitor of glycogen synthase kinase (GSK3), would potentiate intestinal crypt proliferation and mucosal repair and that inhibition of GSK3 in inflammatory cells would attenuate the deregulated inflammatory response to mucosal injury...
2017: PloS One
https://www.readbyqxmd.com/read/28817673/the-plasmid-encoded-ipf-and-klf-fimbriae-display-different-expression-and-varying-roles-in-the-virulence-of-salmonella-enterica-serovar-infantis-in-mouse-vs-avian-hosts
#8
Gili Aviv, Laura Elpers, Svetlana Mikhlin, Helit Cohen, Shaul Vitman Zilber, Guntram A Grassl, Galia Rahav, Michael Hensel, Ohad Gal-Mor
Salmonella enterica serovar Infantis is one of the prevalent Salmonella serovars worldwide. Different emergent clones of S. Infantis were shown to acquire the pESI virulence-resistance megaplasmid affecting its ecology and pathogenicity. Here, we studied two previously uncharacterized pESI-encoded chaperone-usher fimbriae, named Ipf and Klf. While Ipf homologs are rare and were found only in S. enterica subspecies diarizonae and subspecies VII, Klf is related to the known K88-Fae fimbria and klf clusters were identified in seven S...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28817668/titanium-biomaterials-with-complex-surfaces-induced-aberrant-peripheral-circadian-rhythms-in-bone-marrow-mesenchymal-stromal-cells
#9
Nathaniel Hassan, Kirstin McCarville, Kenzo Morinaga, Cristiane M Mengatto, Peter Langfelder, Akishige Hokugo, Yu Tahara, Christopher S Colwell, Ichiro Nishimura
Circadian rhythms maintain a high level of homeostasis through internal feed-forward and -backward regulation by core molecules. In this study, we report the highly unusual peripheral circadian rhythm of bone marrow mesenchymal stromal cells (BMSCs) induced by titanium-based biomaterials with complex surface modifications (Ti biomaterial) commonly used for dental and orthopedic implants. When cultured on Ti biomaterials, human BMSCs suppressed circadian PER1 expression patterns, while NPAS2 was uniquely upregulated...
2017: PloS One
https://www.readbyqxmd.com/read/28817664/gold-nanoparticles-partition-to-and-increase-the-activity-of-glucose-6-phosphatase-in-a-synthetic-phospholipid-membrane-system
#10
Tyson J MacCormack, Amanda M Rundle, Michael Malek, Abhilash Raveendran, Maria-Victoria Meli
Engineered nanomaterials can alter the structure and/or function of biological membranes and membrane proteins but the underlying mechanisms remain unclear. We addressed this using a Langmuir phospholipid monolayer containing an active transmembrane protein, glucose-6-phosphatase (G6Pase). Gold nanoparticles (nAu) with varying ligand shell composition and hydrophobicity were synthesized, and their partitioning in the membrane and effects on protein activity characterized. nAu incorporation did not alter the macroscopic properties of the membrane...
2017: PloS One
https://www.readbyqxmd.com/read/28817661/ouabain-affects-cell-migration-via-na-k-atpase-p130cas-and-via-nucleus-centrosome-association
#11
Young Ou, Chen Xuan Pan, Jeremy Zuo, Frans A van der Hoorn
Na,K-ATPase is a membrane protein that catalyzes ATP to maintain transmembrane sodium and potassium gradients. In addition, Na,K-ATPase also acts as a signal-transducing receptor for cardiotonic steroids such as ouabain and activates a number of signalling pathways. Several studies report that ouabain affects cell migration. Here we used ouabain at concentrations far below those required to block Na,K-ATPase pump activity and show that it significantly reduced RPE cell migration through two mechanisms. It causes dephosphorylation of a 130 kD protein, which we identify as p130cas...
2017: PloS One
https://www.readbyqxmd.com/read/28817624/ephb4-ephrinb2-therapeutics-in-rhabdomyosarcoma
#12
Matthew E Randolph, Megan M Cleary, Zia Bajwa, Matthew N Svalina, Michael C Young, Atiya Mansoor, Pali Kaur, Carol J Bult, Martin W Goros, Joel E Michalek, Sunny Xiang, James Keck, Valery Krasnoperov, Parkash Gill, Charles Keller
Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma affecting children and is often diagnosed with concurrent metastases. Unfortunately, few effective therapies have been discovered that improve the long-term survival rate for children with metastatic disease. Here we determined effectiveness of targeting the receptor tyrosine kinase, EphB4, in both alveolar and embryonal RMS either directly through the inhibitory antibody, VasG3, or indirectly by blocking both forward and reverse signaling of EphB4 binding to EphrinB2, cognate ligand of EphB4...
2017: PloS One
https://www.readbyqxmd.com/read/28817619/sequential-effects-in-preference-decision-prior-preference-assimilates-current-preference
#13
Seah Chang, Chai-Youn Kim, Yang Seok Cho
An important factor affecting preference formation is the context in which that preference decision takes place. The current research examined whether one's preference formed for a previously presented stimulus influences the processing of a subsequent preference decision, henceforth referred to as the preference sequence effect. Using a novel sequential rating/judgment paradigm, the present study demonstrated the presence of a preference sequence effect using artistic photographs and face stimuli: A neutral stimulus was preferred more following a preferable stimulus than a less preferable stimulus...
2017: PloS One
https://www.readbyqxmd.com/read/28817613/diflunisal-inhibits-prestin-by-chloride-dependent-mechanism
#14
Guillaume Duret, Fred A Pereira, Robert M Raphael
The motor protein prestin is a member of the SLC26 family of anion antiporters and is essential to the electromotility of cochlear outer hair cells and for hearing. The only direct inhibitor of electromotility and the associated charge transfer is salicylate, possibly through direct interaction with an anion-binding site on prestin. In a screen to identify other inhibitors of prestin activity, we explored the effect of the non-steroid anti-inflammatory drug diflunisal, which is a derivative of salicylate. We recorded prestin activity by whole-cell patch clamping HEK cells transiently expressing prestin and mouse outer hair cells...
2017: PloS One
https://www.readbyqxmd.com/read/28817611/the-directed-migration-of-gonadal-distal-tip-cells-in-caenorhabditis-elegans-requires-ngat-1-a-%C3%A3-1-4-n-acetylgalactosaminyltransferase-enzyme
#15
Joseph Veyhl, Robert J Dunn, Wendy L Johnston, Alexa Bennett, Lijia W Zhang, James W Dennis, Harry Schachter, Joseph G Culotti
Glycoproteins such as growth factor receptors and extracellular matrix have well-known functions in development and cancer progression, however, the glycans at sites of modification are often heterogeneous molecular populations which makes their functional characterization challenging. Here we provide evidence for a specific, discrete, well-defined glycan modification and regulation of a stage-specific cell migration in Caenorhabditis elegans. We show that a chain-terminating, putative null mutation in the gene encoding a predicted β1,4-N-acetylgalactosaminyltransferase, named ngat-1, causes a maternally rescued temperature sensitive (ts) defect in the second phase of the three phase migration pattern of the posterior, but not the anterior, hermaphrodite Distal Tip Cell (DTC)...
2017: PloS One
https://www.readbyqxmd.com/read/28817600/development-and-evaluation-of-height-diameter-at-breast-models-for-native-chinese-metasequoia
#16
Mu Liu, Zhongke Feng, Zhixiang Zhang, Chenghui Ma, Mingming Wang, Bo-Ling Lian, Renjie Sun, Li Zhang
Accurate tree height and diameter at breast height (dbh) are important input variables for growth and yield models. A total of 5503 Chinese Metasequoia trees were used in this study. We studied 53 fitted models, of which 7 were linear models and 46 were non-linear models. These models were divided into two groups of single models and multivariate models according to the number of independent variables. The results show that the allometry equation of tree height which has diameter at breast height as independent variable can better reflect the change of tree height; in addition the prediction accuracy of the multivariate composite models is higher than that of the single variable models...
2017: PloS One
https://www.readbyqxmd.com/read/28817599/anguillicola-crassus-infection-affects-mrna-expression-levels-in-gas-gland-tissue-of-european-yellow-and-silver-eel
#17
Gabriel Schneebauer, Ron P Dirks, Bernd Pelster
Using Illumina sequencing, we investigated transcriptional changes caused by the nematode Anguillicola crassus within yellow and silver eels by comparing swimbladder samples of uninfected yellow with infected yellow eels, and uninfected silver with infected silver eels, respectively. In yellow eel gas gland, the infection caused a modification of steady state mRNA levels of 1675 genes, most of them being upregulated. Functional annotation analysis based on GO terms was used to categorize identified genes with regard to swimbladder metabolism or response to the infection...
2017: PloS One
https://www.readbyqxmd.com/read/28817588/phylogeography-of-the-reticulated-python-malayopython-reticulatus-ssp-conservation-implications-for-the-worlds-most-traded-snake-species
#18
Gillian Murray-Dickson, Muhammad Ghazali, Rob Ogden, Rafe Brown, Mark Auliya
As an important economic natural resource in Southeast Asia, reticulated pythons (Malayopython reticulatus ssp.) are primarily harvested from the wild for their skins-which are prized in the luxury leather goods industry. Trade dynamics of this CITES Appendix II listed species are complex and management approaches on the country or regional level appear obscure. Little is known about the actual geographic point-of-harvest of snakes, how genetic diversity is partitioned across the species range, how current harvest levels may affect the genetic viability of populations, and whether genetic structure could (or should) be accounted for when managing harvest quotas...
2017: PloS One
https://www.readbyqxmd.com/read/28817572/tissue-specific-insulin-signaling-mediates-female-sexual-attractiveness
#19
Tatyana Y Fedina, Devin Arbuthnott, Howard D Rundle, Daniel E L Promislow, Scott D Pletcher
Individuals choose their mates so as to maximize reproductive success, and one important component of this choice is assessment of traits reflecting mate quality. Little is known about why specific traits are used for mate quality assessment nor about how they reflect it. We have previously shown that global manipulation of insulin signaling, a nutrient-sensing pathway governing investment in survival versus reproduction, affects female sexual attractiveness in the fruit fly, Drosophila melanogaster. Here we demonstrate that these effects on attractiveness derive from insulin signaling in the fat body and ovarian follicle cells, whose signals are integrated by pheromone-producing cells called oenocytes...
August 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28817551/progress-toward-poliomyelitis-eradication-afghanistan-january-2016-june-2017
#20
Maureen Martinez, Hemant Shukla, Joanna Nikulin, Mufti Zubair Wadood, Stephen Hadler, Chukwuma Mbaeyi, Rudolph Tangermann, Jaume Jorba, Derek Ehrhardt
Afghanistan, Pakistan, and Nigeria remain the only countries where the transmission of endemic wild poliovirus type 1 (WPV1) continues (1). This report describes polio eradication activities, progress, and challenges in Afghanistan during January 2016-June 2017 and updates previous reports (2,3). Thirteen WPV1 cases were confirmed in Afghanistan in 2016, a decrease of seven from the 20 cases reported in 2015. From January to June 2017, five WPV1 cases were reported, compared with six during the same period in 2016...
August 18, 2017: MMWR. Morbidity and Mortality Weekly Report
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