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Mustafa Nakipoğlu, Fadime Yilmaz, Bulent Icgen
Untreated wastewaters and treated effluents even after final disinfection contain antibiotic resistant bacteria and resistance genes before they are released into surface waters. A correlation between resistant bacteria and antibiotics in surface waters has been found, as have antibiotic resistance genes. Of particular interest are vancomycin-resistant enterococci harboring vanA gene that confers high level of resistance to glycopeptide antibiotics including teicoplanin. Therefore, in this study, river water samples were analysed to investigate vancomycin- and teicoplanin-resistant bacterial isolates harboring vanA gene...
October 21, 2016: Bulletin of Environmental Contamination and Toxicology
Alexandra C Sundermann, Troy D Abell, Lisa C Baker, Mark B Mengel, Kathryn E Reilly, Michael A Bonow, Gregory E Hoy, Richard D Clover
BACKGROUND: The specialization of human fat deposits is an inquiry of special importance in the study of fetal growth. It has been theorized that maternal lower-body fat is designated specifically for lactation and not for the growth of the fetus. OBJECTIVE: Our goal was to compare the contributions of maternal upper-body versus lower-body adiposity to infant birth weight. We hypothesized that upper-body adiposity would be strongly associated with infant birth weight and that lower-body adiposity would be weakly or negligibly associated with infant birth weight-after adjusting for known determinants...
September 21, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
Zhen Wang, Eric P Chang, Vern L Schramm
Transition path sampling simulations have proposed that human heart lactate dehydrogenase (LDH) employs protein promoting vibrations (PPVs) on the femtosecond (fs) to picosecond (ps) timescale to promote crossing of the chemical barrier. This chemical barrier involves both hydride and proton transfers to pyruvate to form L-lactate, using reduced nicotinamide adenine dinucleotide (NADH) as the cofactor. Here we report experimental evidence from three types of isotope effect experiments that support coupling of the promoting vibrations to barrier crossing and the coincidence of hydride and proton transfer...
October 21, 2016: Journal of the American Chemical Society
Shelby Calkins, M B Couger, Colin Jackson, Jordan Zandler, Garett C Hudgins, Radwa A Hanafy, Connie Budd, Donald P French, Wouter D Hoff, Noha Youssef
Staphylococcus hominis is a predominant member of the human skin microbiome. We here report on the genomic analysis of Staphylococcus hominis strain Hudgins that was isolated from the wrist area of human skin. The partial genome assembly of S. hominis Hudgins consists of 2,211,863 bp of DNA with 2174 protein-coding genes and 90 RNA genes. Based on the genomic analysis of KEGG pathways, the organism is expected to be a versatile heterotroph potentially capable of hydrolyzing the sugars glucose, fructose, mannose, and the amino acids alanine, aspartate, glutamate, glycine, threonine, cysteine, methionine, valine, isoleucine, leucine, lysine, arginine, phenylalanine, tyrosine, and tryptophan for energy production through aerobic respiration, with occasional lactate and acetate fermentation...
December 2016: Genomics Data
Ulrich Keppler, Mohammed R Moussavian, Pascal Jeanmonod, Moritz J Strowitzki, Mathias Wagner, Claudia Scheuer, Michael D Menger, Maximilian von Heesen
BACKGROUND Ischemic type biliary lesions (ITBL) is a troublesome complication after liver transplantation. Little is known about its pathogenesis and there is particularly little data about morphological alterations. Prolonged warm and cold ischemia time and reduced hepatic arterial perfusion are risk factors leading to ITBL. There are only a few animal models described in literature. Therefore, we examined the effects of 3 h of hepatic artery ischemia-reperfusion (3 h I/R) and hepatic arterial ligation (HAL), both combined with ligation of the peribiliary plexus (PBP)...
October 21, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
Haley Echlin, Matthew W Frank, Amy Iverson, Ti-Cheng Chang, Michael D L Johnson, Charles O Rock, Jason W Rosch
The pneumococcus is one of the most prodigious producers of hydrogen peroxide amongst bacterial pathogens. Hydrogen peroxide production by the pneumococcus has been implicated in antibiotic synergism, competition between other bacterial colonizers of the nasopharynx, and damage to epithelial cells. However, the role during invasive disease has been less clear with mutants defective in hydrogen peroxide production demonstrating both attenuation and heightened invasive disease capacity depending upon strain and serotype background...
October 2016: PLoS Pathogens
P Gogol
The aim of the study was to evaluate, the ability of a GnRH synthetic analogue [des-Gly10, D-Ala6]-LH-RH ethylamide to induce ovulation in rabbit does using intravaginal administration. A total of 138 primiparous lactating does were randomly divided into 4 groups that at the time of insemination received following treatments for ovulation induction: 1 μg of buserelin administered intramuscularly (control group); 5 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D5 group); 10 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D10 group); 15 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D15 group)...
September 1, 2016: Polish Journal of Veterinary Sciences
K Mjoun, K F Kalscheur, A R Hippen, D J Schingoethe
No abstract text is available yet for this article.
November 2016: Journal of Dairy Science
Franca Marangoni, Irene Cetin, Elvira Verduci, Giuseppe Canzone, Marcello Giovannini, Paolo Scollo, Giovanni Corsello, Andrea Poli
The importance of lifestyle and dietary habits during pregnancy and breastfeeding, for health of mothers and their offspring, is widely supported by the most recent scientific literature. The consumption of a varied and balanced diet from the preconceptional period is essential to ensure both maternal well-being and pregnancy outcomes. However, the risk of inadequate intakes of specific micronutrients in pregnancy and lactation is high even in the most industrialized countries. This particularly applies to docosahexaenoic acid (DHA), iron, iodine, calcium, folic acid, and vitamin D, also in the Italian population...
October 14, 2016: Nutrients
Khitam I Mohammad, Manal Kassab, Insaf Shaban, Debra K Creedy, Jenny Gamble
: The aims of this study were to explore the vitamin D status among a sample of Jordanian postpartum women and identify factors associated with vitamin D deficiency. A total of 171 postpartum women agreed to participate. Participants completed a questionnaire on factors related to vitamin D deficiency and provided a blood sample to assess their plasma vitamin D (25(OH)D) levels using DIA source Immuno-Assays S.A. ANALYSIS: The majority of women (76%, n = 130) had vitamin D deficiency and 24% (n = 41) of participants had vitamin D insufficiency...
October 18, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
Matthew W Semler, Jonathan P Wanderer, Jesse M Ehrenfeld, Joanna L Stollings, Wesley H Self, Edward D Siew, Li Wang, Daniel W Byrne, Andrew D Shaw, Gordon R Bernard, Todd W Rice
RATIONALE: Saline is the intravenous fluid most commonly administered to critically ill adults, but may be associated with acute kidney injury and death. Whether use of balanced crystalloids rather than saline affects patient outcomes remains unknown. OBJECTIVES: To pilot a cluster-randomized, multiple-crossover trial using software tools within the electronic health record to compare saline to balanced crystalloids. METHODS: Cluster-randomized, multiple-crossover trial among 974 adults admitted to a tertiary medical intensive care unit from February 3, 2015 through May 31, 2015...
October 17, 2016: American Journal of Respiratory and Critical Care Medicine
S Gibiino, A Trappoli, B Balzarro, A R Atti, D De Ronchi
A 71-year-old man developed coma with severe respiratory failure, hypotension, and tachycardia induced by the intentional ingestion of quetiapine fumarate extended release (XR) 20 g. At the time, he had been treated for bipolar depression with venlafaxine 75 mg/day, lamotrigine 100 mg/day, pregabalin 75 mg/day, and quetiapine XR 400 mg/day for approximately 1 year. Comorbidities were hypertension treated with metoprolol, diabetes mellitus type 2 treated with metformin, and benign prostatic hyperplasia treated with silodosin...
December 2015: Drug Saf Case Rep
Alexandra Staikou, Evagelia Kesidou, Marina-Elena Garefalaki, Basile Michaelidis
Land snails species occur in a range of habitats from humid to semi-arid and arid ones and seasonal variations in their physiology and biochemical composition have been linked to annual cycles of photoperiod, temperature, humidity and water availability. In an effort to understand the thermal tolerance and the impact of temperature elevation on tissue metabolism of land snails we determined the mortality, heamolymph PO2 and the activities of enzymes of intermediary metabolism in three land snail species (Helix lucorum, Helix pomatia and Cornu aspersum) differing in their geographical distribution and inhabiting areas with different climatic characteristics...
October 14, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Erik Nylander, Alfhild Grönbladh, Sofia Zelleroth, Shanti Diwakarla, Fred Nyberg, Mathias Hallberg
Human growth hormone (GH) displays promising protective effects in the central nervous system after damage caused by various insults. Current evidence suggests that these effects may involve N-methyl-D-aspartate (NMDA) receptor function, a receptor that also is believed to play a role in opioid-induced neurotoxicity. The aims of the present study were to examine the acute toxic effects of methadone, an opioid receptor agonist and NMDA receptor antagonist, as well as to evaluate the protective properties of recombinant human GH (rhGH) on methadone-induced toxicity...
October 13, 2016: Neuroscience
Corwin D Nelson, John D Lippolis, Timothy A Reinhardt, Randy E Sacco, Jessi L Powell, Mary E Drewnoski, Matthew O'Neil, Donald C Beitz, William P Weiss
The need for vitamin D supplementation of dairy cattle has been known for the better part of the last century and is well appreciated by dairy producers and nutritionists. Whether current recommendations and practices for supplemental vitamin D are meeting the needs of dairy cattle, however, is not well known. The vitamin D status of animals is reliably indicated by the concentration of the 25-hydroxyvitamin D [25(OH)D] metabolite in serum or plasma, with a concentration of 30 ng/mL proposed as a lower threshold for sufficiency...
October 13, 2016: Journal of Dairy Science
F C Ferreira, R S Gennari, G E Dahl, A De Vries
Heat stress during the dry period reduces milk yield in the subsequent lactation of dairy cows. Our objectives were to quantify the economic losses due to heat stress if dry cows are not cooled and to evaluate the economic feasibility of dry cow cooling. We used weather data from the National Oceanic and Atmospheric Administration to calculate the number of heat stress days for each of the 50 US states. A heat stress day was declared when the daily average temperature-humidity index was ≥68. The number of dairy cows in each state in 2015 was obtained from the USDA-National Agricultural Statistics Service...
October 13, 2016: Journal of Dairy Science
S Ollier, F Beaudoin, N Vanacker, P Lacasse
When cows are unable to consume enough feed to support milk production, they often fall into severe negative energy balance. This leads to a weakened immune system and increases their susceptibility to infectious diseases. Reducing the milk production of cows subjected to acute nutritional stress decreases their energy deficit. The aim of this study was to compare the effects on metabolism and immune function of reducing milk production using quinagolide (a prolactin-release inhibitor) or dexamethasone in feed-restricted cows...
October 13, 2016: Journal of Dairy Science
Vikram Sood, Osman Alam, Vakhtang Tchantchaleishvili, Francis D Pagani, Keith D Aaronson, Jonathan Haft, David L Joyce, Lyle D Joyce, Richard C Daly, Simon Maltais, John M Stulak
BACKGROUND: Analyses of the HeartMate II left ventricular assist device are routinely performed after explant if returned to the manufacturer. Findings from manufacturer-reported pump analyses have not been correlated with pre-explant serum lactate dehydrogenase (LDH) values. METHODS: Between May 2004 and December 2014, 502 patients underwent primary HeartMate II implantation. Seventy pumps were explanted in 58 patients and returned to the manufacturer for pump analysis: 51 (73%) for suspected pump thrombosis, 12 (17%) for device-related infection, and 7 (13%) for percutaneous lead fracture...
October 12, 2016: Annals of Thoracic Surgery
Amy E Mendham, Rob Duffield, Aaron J Coutts, Frank E Marino, Andriy Boyko, Andrew J McAinch, David John Bishop
PURPOSE: This study assessed the mitochondrial related signaling responses to a single bout of non-contact, modified football (touch rugby), played as small-sided games (SSG), or cycling (CYC) exercise in sedentary, obese, middle-aged men. METHOD: In a randomized, cross-over design, nine middle-aged, sedentary, obese men completed two, 40-min exercise conditions (CYC and SSG) separated by a 21-d recovery period. Heart rate (HR) and Ratings of Perceived Exertion were collected during each bout...
October 14, 2016: Journal of Applied Physiology
Yu-Shen Huang, Yi-Chieh Li, Pei-Yun Tsai, Chia-En Lin, Chien-Ming Chen, Shih-Ming Chen, Jen-Ai Lee
Lead (Pb) is an environmental pollutant associated with several diseases, such as nephrotoxicity. Methylglyoxal (MG) is a reactive dicarbonyl compound formed during glycolysis and reported to increase in kidney damage. Metformin is used as a MG scavenger in the clinic. In this study, we investigated the mechanism of Pb-induced renal injury and the effect of metformin on Pb-induced nephrotoxicity. Eighteen Wistar rats were randomly divided into three groups: control, Pb, and Pb + metformin groups. Pb (250 ppm) was administered in drinking water, and 50 mg/Kg of metformin was co-administered orally...
October 14, 2016: Biomedical Chromatography: BMC
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