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https://www.readbyqxmd.com/read/28334924/throat-swabs-in-children-with-respiratory-tract-infection-associations-with-clinical-presentation-and-potential-targets-for-point-of-care-testing
#1
Hannah V Thornton, Alastair D Hay, Niamh M Redmond, Sophie L Turnbull, Hannah Christensen, Tim J Peters, John P Leeming, Andrew Lovering, Barry Vipond, Peter Muir, Peter S Blair
Background and objectives.: Diagnostic uncertainty over respiratory tract infections (RTIs) in primary care contributes to over-prescribing of antibiotics and drives antibiotic resistance. If symptoms and signs predict respiratory tract microbiology, they could help clinicians target antibiotics to bacterial infection. This study aimed to determine relationships between symptoms and signs in children presenting to primary care and microbes from throat swabs. Methods.: Cross-sectional study of children ≥3 months to <16 years presenting with acute cough and RTI, with subset follow-up...
February 18, 2017: Family Practice
https://www.readbyqxmd.com/read/28334911/mertk-rs4374383-variant-predicts-incident-nonalcoholic-fatty-liver-disease-and-diabetes-role-of-mononuclear-cell-activation-and-adipokine-response-to-dietary-fat
#2
Giovanni Musso, Maurizio Cassader, Franco De Michieli, Elena Paschetta, Silvia Pinach, Francesca Saba, Daria Bongiovanni, Luciana Framarin, Mara Berrutti, Nicola Leone, Stefania Corvisieri, Renato Parente, Federica Molinaro, Antonio Sircana, Bo Simona, Roberto Gambino
The loss-of-function rs4374383 G>A variant in Myeloid-epithelial-reproductive Tyrosine Kinase (MERTK) gene has been linked to hepatic fibrosis in chronic liver diseases. MERTK is expressed by immune and non-immune cells involved in inflammation, metabolism and vascular homeostasis. We assessed the impact of MERTK rs4374383 G>A variant on nonalcoholic fatty liver disease (NAFLD) incidence and severity and on glucose and lipid metabolism.We followed-up 305 healthy nonobese nondiabetic, metabolic syndrome-free insulin sensitive participants in a population-based study, characterized for MERTK G>A polymorphism, adipokine profile and inflammatory markers...
March 8, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334236/spirotetramat-resistance-selected-in-the-phenacoccus-solenopsis-homoptera-pseudococcidae-cross-resistance-patterns-stability-and-fitness-costs-analysis
#3
Masood Ejaz, Sarfraz Ali Shad
The Phenacoccus solenopsis Tinsley (Homoptera: Pseudococcidae) is a major agricultural and horticultural pest of crops throughout the world. To develop a better resistance management strategy for P. solenopsis, we conducted a study on life history parameters of different populations of this pest, one selected with spirotetramat (Spiro-SEL), an unselected (UNSEL) population, and their reciprocal crosses. We also studied the cross-resistance and the stability of spirotetramat resistance. The Spiro-SEL of P. solenopsis exhibited a 328...
March 2, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28333355/wgs-to-predict-antibiotic-mics-for-neisseria-gonorrhoeae
#4
David W Eyre, Dilrini De Silva, Kevin Cole, Joanna Peters, Michelle J Cole, Yonatan H Grad, Walter Demczuk, Irene Martin, Michael R Mulvey, Derrick W Crook, A Sarah Walker, Tim E A Peto, John Paul
Background: Tracking the spread of antimicrobial-resistant Neisseria gonorrhoeae is a major priority for national surveillance programmes. Objectives: We investigate whether WGS and simultaneous analysis of multiple resistance determinants can be used to predict antimicrobial susceptibilities to the level of MICs in N. gonorrhoeae. Methods: WGS was used to identify previously reported potential resistance determinants in 681 N. gonorrhoeae isolates, from England, the USA and Canada, with phenotypes for cefixime, penicillin, azithromycin, ciprofloxacin and tetracycline determined as part of national surveillance programmes...
March 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333321/preconception-and-early-pregnancy-maternal-haemodynamic-changes-in-healthy-women-in-relation-to-pregnancy-viability
#5
F L Foo, A Collins, C M McEniery, P R Bennett, I B Wilkinson, C C Lees
STUDY QUESTION: Are there differences in preconception cardiovascular function between women who have a viable pregnancy and those who have a first trimester miscarriage? SUMMARY ANSWER: Preconception cardiovascular function of central haemodynamics and arterial function are similar between women who have a viable pregnancy and those who have a first trimester miscarriage. WHAT IS KNOWN ALREADY: Miscarriages have been associated with increased long-term cardiovascular disease risk, and arterial and cardiovascular dysfunction has been hypothesised as the common link...
March 16, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333320/cross-resistance-to-lincosamides-streptogramins-a-and-pleuromutilins-in-streptococcus-agalactiae-isolates-from-the-usa
#6
Paulina A Hawkins, Caitlin S Law, Benjamin J Metcalf, Sopio Chochua, Delois M Jackson, Lars F Westblade, Robert Jerris, Bernard W Beall, Lesley McGee
Background: Streptococcus agalactiae (Group B Streptococcus, GBS) is a leading cause of meningitis, sepsis and pneumonia in neonates in the United States. GBS also causes invasive disease in older infants, pregnant women, children and young adults with underlying medical conditions, and older adults. Resistance to lincosamides in the absence of erythromycin resistance is rare in GBS, but has been previously reported in clinical isolates, both on its own or in combination with resistance to streptogramins A and pleuromutilins (L/LSA/LSAP phenotypes)...
March 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333286/high-prevalence-of-moderate-and-severe-depressive-and-anxiety-symptoms-in-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#7
Laura G Cooney, Iris Lee, Mary D Sammel, Anuja Dokras
Study question: Do women with polycystic ovary syndrome (PCOS) have an increased prevalence of moderate and severe depressive and anxiety symptoms compared with control women, and do these symptoms correlate with age, BMI, testosterone, hirsutism or insulin resistance (IR)? Summary answer: Women with PCOS have significantly increased odds of moderate and severe depressive and anxiety symptoms, independent of obesity, and the symptoms are weakly associated with age, BMI, elevated testosterone, hirsutism and IR...
March 9, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333232/prevalence-of-hiv-1-drug-resistance-in-treated-patients-with-viral-load-50%C3%A2-copies-ml-a-2014-french-nationwide-study
#8
L Assoumou, C Charpentier, P Recordon-Pinson, M Grudé, C Pallier, L Morand-Joubert, S Fafi-Kremer, A Krivine, B Montes, V Ferré, M Bouvier-Alias, J-C Plantier, J Izopet, M-A Trabaud, S Yerly, J Dufayard, C Alloui, L Courdavault, H Le Guillou-Guillemette, A Maillard, C Amiel, A Vabret, C Roussel, S Vallet, J Guinard, A Mirand, A Beby-Defaux, F Barin, A Allardet-Servent, R Ait-Namane, M Wirden, C Delaugerre, V Calvez, M-L Chaix, D Descamps, S Reigadas
Background: Surveillance of HIV-1 resistance in treated patients with a detectable viral load (VL) is important to monitor, in order to assess the risk of spread of resistant viruses and to determine the proportion of patients who need new antiretroviral drugs with minimal cross-resistance. Methods: The HIV-1 protease and reverse transcriptase (RT) and integrase genes were sequenced in plasma samples from 782 consecutive patients on failing antiretroviral regimens, seen in 37 specialized centres in 2014...
February 25, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28332634/variation-in-sensitivity-of-large-benthic-foraminifera-to-the-combined-effects-of-ocean-warming-and-local-impacts
#9
Martina Prazeres, T Edward Roberts, John M Pandolfi
Large benthic foraminifera (LBF) are crucial marine calcifiers in coral reefs, and sensitive to environmental changes. Yet, many species successfully colonise a wide range of habitats including highly fluctuating environments. We tested the combined effects of ocean warming, local impacts and different light levels on populations of the common LBF Amphistegina lobifera collected along a cross-shelf gradient of temperature and nutrients fluctuations. We analysed survivorship, bleaching frequency, chlorophyll a content and fecundity...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332619/retinol-binding-protein-4-levels-and-non-alcoholic-fatty-liver-disease-a-community-based-cross-sectional-study
#10
Xuechen Chen, Tianran Shen, Qing Li, Xu Chen, Yanping Li, Dan Li, Gengdong Chen, Wenhua Ling, Yu-Ming Chen
Previous reports on the association between retinol binding protein 4 (RBP4) and nonalcoholic fatty liver disease (NAFLD) were controversial. This study aimed to investigate the association between the serum RBP4 levels and occurrence of NAFLD in Chinese population. In total, 2938 participants aged 40-75 years were involved in this community-based cross-sectional study. General information, lifestyle factors, serum levels of RBP4 and the presence of NAFLD were determined. Patients with NAFLD had significantly higher concentrations of RBP4 (37...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332279/micromonas-vs-virus-new-experimental-insights-challenge-viral-impact
#11
Eliana Ruiz, Anne-Claire Baudoux, Nathalie Simon, Ruth-Anne Sandaa, T Frede Thingstad, António Pagarete
Viruses have recurrently been hypothesized as instrumental in driving microbial population diversity. Nonetheless, viral mediated co-existence of r/k-strategists, predicted in the Killing-the-Winner (KtW) hypothesis, remains controversial and demands empirical evidence. Therefore, we measured the life strategy parameters that characterize the relevant system Micromonas-Micromonas Virus (MicV). A large number of host and viral strains (37 and 17, respectively) were used in a total of 629 cross-infectivity tests...
March 23, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28331789/light-like-a-feather-a-fibrous-natural-composite-with-a-shape-changing-from-round-to-square
#12
Bin Wang, Marc André Meyers
Only seldom are square/rectangular shapes found in nature. One notable exception is the bird feather rachis, which raises the question: why is the proximal base round but the distal end square? Herein, it is uncovered that, given the same area, square cross sections show higher bending rigidity and are superior in maintaining the original shape, whereas circular sections ovalize upon flexing. This circular-to-square shape change increases the ability of the flight feathers to resist flexure while minimizes the weight along the shaft length...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331348/molecular-detection-of-multidrug-resistant-tuberculosis-among-smear-positive-pulmonary-tuberculosis-patients-in-jigjiga-town-ethiopia
#13
Mussie Brhane, Ameha Kebede, Yohannes Petros
BACKGROUND: Molecular methods that target drug resistance mutations are suitable approaches for rapid drug susceptibility testing to detect multidrug-resistant tuberculosis (MDR-TB). The aim of the study was to determine MDR-TB cases and to analyze the frequency of gene mutations associated with rifampicin (RIF) and/or isoniazid (INH) resistance of Mycobacterium tuberculosis among smear-positive pulmonary tuberculosis patients. METHODS: Institution-based cross-sectional study design was employed...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28330244/elucidation-of-impact-of-heavy-metal-pollution-on-soil-bacterial-growth-and-extracellular-polymeric-substances-flexibility
#14
Muniswamy David, Paidi Murali Krishna, Jeybalan Sangeetha
Metal bioaccessibility is an alarming issue in croplands of mining sites due to overloading of toxic metals. Hence, the present study is aimed to determine the overloading of toxic metal in croplands across the Tawag village, Hutti, Raichur, India. Correspondingly, to identify the soil bacterial growth, physiological oxidative stress enzyme activity and surface macromolecular functional group evolution were analysed in and around the toxic metal contaminated sites through FT-IR and FT-Raman spectrometry. The evaluated results attribute that the study area is heavily polluted with the toxic metals such as arsenic, cadmium, chromium, lead and zinc...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330167/genetic-characterization-of-moroccan-and-the-exotic-bread-wheat-cultivars-using-functional-and-random-dna-markers-linked-to-the-agronomic-traits-for-genomics-assisted-improvement
#15
Fatima Henkrar, Jamal El-Haddoury, Hassan Ouabbou, Najib Bendaou, Sripada M Udupa
Genetic characterization, diversity analysis and estimate of the genetic relationship among varieties using functional and random DNA markers linked to agronomic traits can provide relevant guidelines in selecting parents and designing new breeding strategies for marker-assisted wheat cultivar improvement. Here, we characterize 20 Moroccan and 19 exotic bread wheat (Triticum aestivum L.) cultivars using 47 functional and 7 linked random DNA markers associated with 21 loci of the most important traits for wheat breeding...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330146/mapping-of-stripe-rust-resistance-qtl-in-cappelle-desprez%C3%A2-%C3%A3-%C3%A2-pbw343-ril-population-effective-in-northern-wheat-belt-of-india
#16
Sushma Kumari Pawar, Davinder Sharma, Joginder Singh Duhan, Mahender Singh Saharan, Ratan Tiwari, Indu Sharma
Stripe rust caused by Puccinia striiformis f. sp. tritici is most important and devastating disease of wheat worldwide, which affects the grain yields, quality and nutrition. To elucidate, the genetic basis of resistance, a mapping population of recombinant inbred lines was developed from a cross between resistant Cappelle-Desprez and susceptible cultivar PBW343 using single-seed descent. Variety PBW343 had been one of the most popular cultivars of North Western Plains Zone, for more than a decade, before succumbing to the stripe rust...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329091/association-between-sleep-timing-obesity-diabetes-the-hispanic-community-health-study-study-of-latinos-hchs-sol-cohort-study-sleep-timing-obesity-and-diabetes
#17
Kristen L Knutson, Donghong Wu, Sanjay R Patel, Jose S Loredo, Susan Redline, Jianwen Cai, Linda C Gallo, Yasmin Mossavar-Rahmani, Alberto R Ramos, Yanping Teng, Martha L Daviglus, Phyllis C Zee
Study Objectives: Recent studies implicate inadequate sleep duration and quality in metabolic disease. Fewer studies have examined the timing of sleep, which may be important because of its potential impact on circadian rhythms of metabolic function. We examined the association between sleep timing and metabolic risk among Hispanic/Latino adults. Methods.: Cross-sectional data from community-based study of 13,429 participants aged 18-74 years. People taking diabetes medications were excluded...
January 28, 2017: Sleep
https://www.readbyqxmd.com/read/28328746/cross-talk-between-insulin-signaling-and-gpcrs
#18
Qin Fu, Qian Shi, Toni M West, Yang K Xiang
Diabetes is a major risk factor for the development of heart failure. One of the hallmarks of diabetes is insulin resistance associated with hyperinsulinemia. The literature shows that insulin and adrenergic signaling is intimately linked to each other; however, whether and how insulin may modulate cardiac adrenergic signaling and cardiac function remains unknown. Notably, recent studies have revealed that insulin receptor and β2 adrenergic receptor (β2AR) forms a membrane complex in animal hearts, bringing together the direct contact between two receptor signaling systems, and forming an integrated and dynamic network...
March 17, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28328712/resistance-training-induced-elevations-in-muscular-strength-in-trained-men-are-maintained-after-2-weeks-of-detraining-and-not-differentially-affected-by-whey-protein-supplementation
#19
Paul S Hwang, Thomas L Andre, Sarah K McKinley-Barnard, Flor E Morales Marroquín, Joshua J Gann, Joon J Song, Darryn S Willoughby
Hwang, PS, Andre, TL, McKinley-Barnard, SK, Morales Marroquín, FE, Gann, JJ, Song, JJ, and Willoughby, DS. Resistance training-induced elevations in muscular strength in trained men are maintained after 2 weeks of detraining and not differentially affected by whey protein supplementation. J Strength Cond Res 31(4): 869-881, 2017-Resistance training (RT) with nutritional strategies incorporating whey protein intake postexercise can stimulate muscle protein synthesis and elicit hypertrophy. The early phases of training-induced anabolic responses can be attenuated with longer-term training...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28328175/preparation-and-application-of-epitope-magnetic-molecularly-imprinted-polymers-for-enrichment-of-sulfonamide-antibiotics-in-water
#20
Yufeng Hu, Cheng Wang, Xiangdao Li, Lifen Liu
Sulfonamides, which are widely used synthetic antibiotics, are hydrophilic and stable. They can easily migrate into the environment and aquatic animals, and increase the risk of cancer, drug resistance, and allergic symptoms if consumed by humans. Here, we developed an epitope magnetic imprinting approach to enrich multiple sulfonamide antibiotics from a water sample. Epitope magnetic molecularly imprinted polymers (EMMIPs) were prepared by free-radical polymerization using vinyl-functioned Fe3 O4 as a core, sulfanilamide (SA) as a dummy template, methacrylic acid as a functional monomer, and ethylene glycol dimethacrylate as a cross-linker...
March 22, 2017: Electrophoresis
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