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https://www.readbyqxmd.com/read/28735463/impact-of-pioglitazone-on-bone-mineral-density-and-bone-marrow-fat-content
#1
L M Pop, I Lingvay, Q Yuan, X Li, B Adams-Huet, N M Maalouf
Pioglitazone use is associated with an increased risk of fractures. In this randomized, placebo-controlled study, pioglitazone use for 12 months was associated with a significant increase in bone marrow fat content at the femoral neck, accompanied by a significant decrease in total hip bone mineral density. The change in bone marrow fat with pioglitazone use was predominantly observed in female vs. male participants. INTRODUCTION: Use of the insulin sensitizer pioglitazone is associated with greater fracture incidence, although the underlying mechanisms are incompletely understood...
July 22, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28735431/a-systematic-review-of-primary-sj%C3%A3-gren-s-syndrome-in-male-and-paediatric-populations
#2
Simrun Virdee, James Greenan-Barrett, Coziana Ciurtin
Primary Sjögren's syndrome (pSS) is a chronic multisystem autoimmune rheumatic disease characterised by female predominance. Although the disease is rare in the male and paediatric populations, it has been suggested that it may have a different disease phenotype, which has not been investigated before using a systematic approach. A systematic literature search of PubMed databases (updated to December 2016) was performed to identify all published data on the epidemiological, clinical and laboratory manifestations of pSS in the male and paediatric populations...
July 22, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28735318/trends-of-bloodstream-infections-in-a-university-greek-hospital-during-a-three-year-period-incidence-of-multidrug-resistant-bacteria-and-seasonality-in-gram-negative-predominance
#3
Fevronia Kolonitsiou, Matthaios Papadimitriou-Olivgeris, Anastasia Spiliopoulou, Vasiliki Stamouli, Vasileios Papakostas, Eleni Apostolopoulou, Christos Panagiotopoulos, Markos Marangos, Evangelos D Anastassiou, Myrto Christofidou, Iris Spiliopoulou
The aim of the study was to assess the epidemiology, the incidence of multidrug-resistant bacteria and bloodstream infections' (BSIs) seasonality in a university hospital. This retrospective study was carried out in the University General Hospital of Patras, Greece, during 2011-13 y. Blood cultures from patients with clinical presentation suggestive of bloodstream infection were performed by the BacT/ALERT System. Isolates were identified by Vitek 2 Advanced Expert System. Antibiotic susceptibility testing was performed by the disk diffusion method and E-test...
July 6, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28735127/the-fate-of-adult-spinal-deformity-asd-patients-incurring-rod-fracture-after-thoracolumbar-fusion
#4
D Kojo Hamilton, John A Buza, Peter Passias, Cyrus Jalai, Han Jo Kim, Tamir Ailon, Munish Gupta, Daniel Sciubba, Amit Jain, Christopher P Ames, Vedat Deviren, Alan Daniels, Virginie Lafage, Shay Bess, Eric Klineberg, Christopher I Shaffrey, Justin S Smith, Robert Hart
OBJECTIVE: To report the outcome of adult spinal deformity (ASD) patients with rod fracture following thoracolumbar fusion. METHODS: Retrospective review of prospective, multicenter database. Operative ASD patients ≥18 years old with a rod fracture (RF) after ASD surgery and with a minimum 6-month follow-up after RF were included. Health-related quality of life (HRQoL) scores and radiographic alignment were compared using non-parametric paired and independent testing (p<0...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28735099/subcellular-expression-of-aquaporin-4-in-substantia-nigra-of-normal-and-mptp-treated-mice
#5
Agnete Prydz, Katja Stahl, Maja Puchades, Nina Davarpaneh, Maria Nadeem, Ole Petter Ottersen, Vidar Gundersen, Mahmood Amiry-Moghaddam
Aquaporin-4 (AQP4) is the predominant water channel in mammalian CNS where it is localized at the perivascular astrocytic foot processes abutting brain microvessels. Several lines of evidence suggest that AQP4 is involved in important homeostatic functions and that mislocalization of the perivascular pool of AQP4 is implicated in several different brain disorders. A recent study suggests that the differential susceptibility of midbrain dopaminergic neurons to the parkinsonogenic toxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) depends on the expression of AQP4...
July 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28735060/individual-roles-of-brain-and-serum-alcohol-dehydrogenase-isoforms-in-regulation-of-alcohol-consumption-in-spf-wistar-rats
#6
Vsevolod V Pavshintsev, Nikita A Mitkin, Olga Y Frolova, Ekaterina A Kushnir, Olga A Averina, Maxim L Lovat
Alcohol dehydrogenases (ADH) are key enzymes of ethanol metabolism that mediate its oxidation to acetaldehyde. ADHs are also able to oxidize some types of neurotransmitters such as dopamine, serotonin and norepinephrine. Increased level of ADHs activity, induced by chronic alcohol consumption, is presumably associated with disturbed neurotransmitters metabolism that leads to stable alcohol craving. As earlier reported, intraperitoneal administration of 4-methilpirasole (non-specific inhibitor of ADHs) has shown to provide a short-term anti-alcoholic effect, but individual roles of ADH isoforms in this process were still unclear...
July 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28735056/distribution-of-macrolide-resistance-mechanisms-in-bulgarian-clinical-isolates-of-streptococcus-pyogenes-during-the-years-of-2013-2016
#7
Adile A Muhtarova, Raina T Gergova, Ivan G Mitov
Streptococcus pyogenes, or group A streptococcus (GAS), is the main etiological agent of bacterial tonsillopharyngitis and a common cause of a wide variety of other mild to severe infections. OBJECTIVES: of the present study was to determine and evaluate the distribution of genetic mechanisms associated with certain phenotypes of macrolide resistance in Bulgarian GAS isolated during the years of 2013-2016. METHODS: All GAS strains were screened for the macrolide resistance genes erm(A), erm(B) and mef(A), using multiplex polymerase chain reaction (PCR)...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28735050/antimicrobial-resistance-profiles-and-genotypes-of-extended-spectrum-%C3%AE-lactamase-and-ampc-%C3%AE-lactamase-producing-klebsiella-pneumoniae-isolated-from-dogs-in-beijing-china
#8
Yanhan Liu, Yonghui Yang, Yanyun Chen, Zhaofei Xia
OBJECTIVES: Klebsiella pneumoniae, which exists in the intestinal and respiratory tracts of humans and animals, is an important conditional pathogen in many animals. The aim of the current study was to investigate the antimicrobial resistance profiles and genotypes of extended-spectrum β-lactamase (ESBL) - and AmpC β-lactamase-producing K. pneumoniae isolated from dogs. METHODS: A total of 285 isolates, collected from fecal and urine samples of diseased dogs in a Veterinary Teaching Hospital in Beijing, were characterized by antimicrobial susceptibility testing and screened for ESBL and AmpC β-lactamase phenotypes...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28734928/lv-mass-independently-predicts-mortality-and-need-for-future-revascularization-in%C3%A2-patients-undergoing-diagnostic-coronary-angiography
#9
Ahmed Abdi-Ali, Robert J H Miller, Danielle Southern, Mei Zhang, Yoko Mikami, Merril Knudtson, Bobak Heydari, Andrew G Howarth, Carmen P Lydell, Mathew T James, Stephen B Wilton, James A White
OBJECTIVES: The goal of this study was to assess associations between left ventricular (LV) mass, all-cause mortality, and need for revascularization in patients undergoing coronary angiography. BACKGROUND: LV hypertrophy is associated with adverse cardiovascular outcomes in healthy subjects. However, its influence in those with known or suspected coronary artery disease is poorly understood. METHODS: A total of 3,754 patients (mean age 59...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734898/anopheles-vectors-in-mainland-china-while-approaching-malaria-elimination
#10
REVIEW
Shaosen Zhang, Shaohua Guo, Xinyu Feng, Aneta Afelt, Roger Frutos, Shuisen Zhou, Sylvie Manguin
China is approaching malaria elimination; however, well-documented information on malaria vectors is still missing, which could hinder the development of appropriate surveillance strategies and WHO certification. This review summarizes the nationwide distribution of malaria vectors, their bionomic characteristics, control measures, and related studies. After several years of effort, the area of distribution of the principal malaria vectors was reduced, in particular for Anopheles lesteri (synonym: An. anthropophagus) and Anopheles dirus s...
July 19, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28734883/spontaneous-coronary-artery-dissection-failure-of-the-conservative-strategy-due-to-predominance-of%C3%A2-the-false-lumen
#11
Felipe Díez-Delhoyo, Ricardo Sanz-Ruiz, Fernando Sarnago-Cebada, Enrique Gutiérrez-Ibañes, Allan Rivera-Juárez, Jaime Elízaga, Francisco Fernández-Avilés
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28734712/-candidemia-in-pediatrics-species-distribution-and-antifungal-susceptibility
#12
Luciana B Guzzetti, Cecilia M Vescina, M Florencia Gil, Blanca M Gatti
Serious infections caused by Candida yeasts are frequent in the hospital population. Due to differences in species distribution and antifungal susceptibility testing depending on the geographic area and the type of patient, it is important to study the epidemiology of each institution. For this purpose, we conducted a retrospective, descriptive study on the occurrence of candidemia in the Children's Hospital "Superiora Sor María Ludovica" of the city of La Plata. In a 6-year period (2010-2015), 177 candidemia episodes were recorded...
July 19, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28734570/spatial-and-temporal-variations-of-heavy-metals-in-marine-sediments-from-liaodong-bay-bohai-sea-in-china
#13
Liang Liu, Lijun Wang, Zhengxian Yang, Yingying Hu, Minghui Ma
An integrated analysis has been carried out using surface sediment monitoring data in order to characterize the spatial distributions and temporal trends of heavy metals within ten years from 2004 to 2013 in the entire Liaodong Bay. Hg, Cd and As were predominant contaminants with their median concentrations of 0.04-0.15, 0.01-0.65, and 1.80-30.3mg/kg respectively. Both areas and levels of Cu and Pb contamination were low. Cd contents exhibited an obvious decreasing trend and As presented a similar law during these 10years...
July 19, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28734523/laparoscopic-choledochoduodenostomy
#14
Adolfo Cuendis-Velázquez, Mario E Trejo-Ávila, Enrique Rosales-Castañeda, Eduardo Cárdenas-Lailson, Martin E Rojano-Rodríguez, Sujey Romero-Loera, Carlos A Sanjuan-Martínez, Mucio Moreno-Portillo
INTRODUCTION: Today's options for biliary bypass procedures, for difficult choledocholithiasis, range from open surgery to laparo-endoscopic hybrid procedures. The aim of this study was to analyze the outcomes of patients with difficult choledocholithiasis treated with laparoscopic choledochoduodenostomy. METHODS: We performed a prospective observational study from March 2011 to June 2016. We included patients with difficult common bile duct stones (recurrent or unresolved by ERCP) in which a biliary bypass procedure was required...
July 19, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28734478/ph-dependent-membrane-interactions-of-the-histidine-rich-cell-penetrating-peptide-lah4-l1
#15
Justine Wolf, Christopher Aisenbrey, Nicole Harmouche, Jesus Raya, Philippe Bertani, Natalia Voievoda, Regine Süss, Burkhard Bechinger
The histidine-rich designer peptide LAH4-L1 exhibits antimicrobial and potent cell-penetrating activities for a wide variety of cargo including nucleic acids, polypeptides, adeno-associated viruses, and nanodots. The non-covalent complexes formed between the peptide and cargo enter the cell via an endosomal pathway where the pH changes from neutral to acidic. Here, we investigated the membrane interactions of the peptide with phospholipid bilayers and its membrane topology using static solid-state NMR spectroscopy...
July 19, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28734322/association-between-childhood-to-adolescent-attention-deficit-hyperactivity-disorder-symptom-trajectories-and-late-adolescent-disordered-eating
#16
Zeynep Yilmaz, Kristin N Javaras, Jessica H Baker, Laura M Thornton, Paul Lichtenstein, Cynthia M Bulik, Henrik Larsson
PURPOSE: Disordered eating is more prevalent among adolescents with attention deficit/hyperactivity disorder. Both inattention and hyperactivity/impulsivity symptoms show strong associations with disordered eating, but few investigations of these associations have been longitudinal. Thus, we examined the effect of childhood to adolescent inattention and hyperactivity/impulsivity symptom trajectories on late adolescent disordered eating. METHODS: We used growth mixture modeling to identify distinct inattention and hyperactivity/impulsivity symptom trajectories (called "classes") across three time points (ages 8-9, 13-14, and 16-17 years) in the Swedish Twin study of CHild and Adolescent Development...
August 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28734260/time-averaged-concentrations-are-effective-for-predicting-chronic-toxicity-of-varying-copper-pulse-exposures-for-two-freshwater-green-algae-species
#17
Brad M Angel, Stuart L Simpson, Ellissah Granger, Kathryn Goodwyn, Dianne F Jolley
Intermittent, fluctuating and pulsed contaminant discharges may result in organisms receiving highly variable contaminant exposures. This study investigated the effects of dissolved copper pulse concentration and exposure duration on the toxicity to two freshwater green algae species. The effects of single copper pulses of between 1 and 48 h duration and continuous exposures (72 h) on growth rate inhibition of Pseudokirchneriella subcapitata and Chlorella sp. were compared on a time-averaged concentration (TAC) basis...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28734247/seasonal-variation-in-water-uptake-patterns-of-three-plant-species-based-on-stable-isotopes-in-the-semi-arid-loess-plateau
#18
Jian Wang, Bojie Fu, Nan Lu, Li Zhang
Water is a limiting factor and significant driving force for ecosystem processes in arid and semi-arid areas. Knowledge of plant water uptake pattern is indispensable for understanding soil-plant interactions and species coexistence. The 'Grain for Green' project that started in 1999 in the Loess Plateau of China has led to large scale vegetation change. However, little is known about the water uptake patterns of the main plant species that inhabit in this region. In this study, the seasonal variations in water uptake patterns of three representative plant species, Stipa bungeana, Artemisia gmelinii and Vitex negundo, that are widely distributed in the semi-arid area of the Loess Plateau, were identified by using dual stable isotopes of δ(2)H and δ(18)O in plant and soil water coupled with a Bayesian mixing model MixSIAR...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28734245/azaphenothiazines-promising-phenothiazine-derivatives-an-insight-into-nomenclature-synthesis-structure-elucidation-and-biological-properties
#19
REVIEW
Krystian Pluta, Małgorzata Jeleń, Beata Morak-Młodawska, Michał Zimecki, Jolanta Artym, Maja Kocięba, Ewa Zaczyńska
For the last two decades, classical phenothiazines have attracted attention of researchers, as the hitherto investigations have revealed many significant biological activities within this class of compounds, other than originally discovered neuroleptic ones. Important, new pharmaceutical results on phenothiazines, as 10-substituted dibenzothiazines, were recently highlighted in several reviews. Azaphenothiazines are structurally modified phenothiazines by substitution of one or both benzene rings in the phenothiazine ring system with the azine rings, such as: pyridine, pyridazine, pyrimidine, pyrazine, 1,2,4-triazine, quinoline, quinoxaline, benzoxazine and benzothiazine...
July 8, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28734139/%C3%AE-nfluenza-a-h3n2-genetic-variants-in-vaccinated-patients-in-northern-greece
#20
A Melidou, G Gioula, M Exindari, E Ioannou, K Gkolfinopoulou, T Georgakopoulou, S Tsiodras, A Papa
BACKGROUND: Influenza A(H3N2) viruses predominated during the influenza 2016/2017 season and showed extensive genetic diversification. A high vaccination failure rate was noticed during the 2016/17 season in Greece, especially among the elderly. OBJECTIVES: The scope of the study was to investigate the genetic characteristics of A(H3N2) circulating viruses and viruses detected in vaccinated patients. STUDY DESIGN: Virus samples originated from vaccinated and unvaccinated patients, obtained at the National Influenza Centre for northern Greece...
July 14, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
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