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https://www.readbyqxmd.com/read/28335560/serum-amyloid-a-production-is-triggered-by-sleep-deprivation-in-mice-and-humans-is-that-the-link-between-sleep-loss-and-associated-comorbidities
#1
Edson M de Oliveira, Bruna Visniauskas, Sergio Tufik, Monica L Andersen, Jair R Chagas, Ana Campa
Serum amyloid A (SAA) was recently associated with metabolic endotoxemia, obesity and insulin resistance. Concurrently, insufficient sleep adversely affects metabolic health and is an independent predisposing factor for obesity and insulin resistance. In this study we investigated whether sleep loss modulates SAA production. The serum SAA concentration increased in C57BL/6 mice subjected to sleep restriction (SR) for 15 days or to paradoxical sleep deprivation (PSD) for 72 h. Sleep restriction also induced the upregulation of Saa1...
March 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28335489/effects-of-the-mediterranean-diet-before-and-after-weight-loss-on-eating-behavioral-traits-in-men-with-metabolic-syndrome
#2
Élise Carbonneau, Marie-Michelle Royer, Caroline Richard, Patrick Couture, Sophie Desroches, Simone Lemieux, Benoît Lamarche
The objective of this study was to investigate the impact of the Mediterranean diet (MedDiet) consumed before and after weight loss on eating behavioral traits as measured by the Three-Factor Eating Questionnaire (TFEQ) in men with metabolic syndrome (MetS). In this fixed sequence study, 19 men with MetS (National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATPIII) criteria), aged between 24 and 62 years, first consumed a five-week standardized North American control diet followed by a five-week MedDiet, both under weight-maintaining controlled-feeding conditions...
March 19, 2017: Nutrients
https://www.readbyqxmd.com/read/28335478/lactational-stage-of-pasteurized-human-donor-milk-contributes-to-nutrient-limitations-for-infants
#3
Christina J Valentine, Georgia Morrow, Amanda Reisinger, Kelly A Dingess, Ardythe L Morrow, Lynette K Rogers
BACKGROUND: Mother's own milk is the first choice for feeding preterm infants, but when not available, pasteurized human donor milk (PDM) is often used. Infants fed PDM have difficulties maintaining appropriate growth velocities. To assess the most basic elements of nutrition, we tested the hypotheses that fatty acid and amino acid composition of PDM is highly variable and standard pooling practices attenuate variability; however, total nutrients may be limiting without supplementation due to late lactational stage of the milk...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335365/antibacterial-properties-of-visible-light-responsive-carbon-containing-titanium-dioxide-photocatalytic-nanoparticles-against-anthrax
#4
Der-Shan Sun, Jyh-Hwa Kau, Hsin-Hsien Huang, Yao-Hsuan Tseng, Wen-Shiang Wu, Hsin-Hou Chang
The bactericidal activity of conventional titanium dioxide (TiO₂) photocatalyst is effective only on irradiation by ultraviolet light, which restricts the applications of TiO₂ for use in living environments. Recently, carbon-containing TiO₂ nanoparticles [TiO₂(C) NP] were found to be a visible-light-responsive photocatalyst (VLRP), which displayed significantly enhanced antibacterial properties under visible light illumination. However, whether TiO₂(C) NPs exert antibacterial properties against Bacillus anthracis remains elusive...
December 9, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335323/morphology-controlled-fabrication-of-inn-nanowires-on-brass-substrates
#5
Huijie Li, Guijuan Zhao, Lianshan Wang, Zhen Chen, Shaoyan Yang
Growth of semiconductor nanowires on cheap metal substrates could pave the way to the large-scale manufacture of low-cost nanowire-based devices. In this work, we demonstrated that high density InN nanowires can be directly grown on brass substrates by metal-organic chemical vapor deposition. It was found that Zn from the brass substrates is the key factor in the formation of nanowires by restricting the lateral growth of InN. The nanowire morphology is highly dependent on the growth temperature. While at a lower growth temperature, the nanowires and the In droplets have large diameters...
October 29, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335089/variance-components-estimation-for-farrowing-traits-in-three-purebred-pigs
#6
Bryan Irvine Mamuad Lopez, Tae Hun Kim, Milton Tinashe Makumbe, Choul Won Song, Kang Seok Seo
Objective: This study was conducted to estimate breed-specific variance components for total number born (TNB), number born alive (NBA) and mortality rate from birth through weaning including stillbirths (MORT) of three main swine breeds in Korea. In addition, the importance of including maternal genetic and service sire effects in estimation models was evaluated. Methods: Records of farrowing traits from 6,412 Duroc, 18,020 Landrace and 54,254 Yorkshire sows collected from January 2001 to September 2016 from different farms in Korea were used in the analysis...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28334971/expanding-glycosaminoglycan-chemical-space-towards-the-creation-of-sulfated-analogs-novel-polymers-and-chimeric-constructs
#7
Rachel S Lane, Kalib St Ange, Behnam Zolghadr, Xinyue Liu, Christina Schäffer, Robert J Linhardt, Paul L DeAngelis
Glycosaminoglycans (GAGs) have therapeutic potential in areas ranging from angiogenesis, inflammation, hemostasis and cancer. GAG bioactivity is conferred by intrinsic structural features, such as disaccharide composition, glycosidic linkages and sulfation pattern. Unfortunately, the in vitro enzymatic synthesis of defined GAGs is quite restricted by a limited understanding of current GAG synthases and modifying enzymes. Our work provides insights into GAG-active enzymes through the creation of sulfated oligosaccharides, a new polysaccharide and chimeric polymers...
March 17, 2017: Glycobiology
https://www.readbyqxmd.com/read/28334928/functional-assessment-of-ctcf-sites-at-cytokine-sensing-mammary-enhancers-using-crispr-cas9-gene-editing-in-mice
#8
Hye Kyung Lee, Michaela Willi, Chaochen Wang, Chul Min Yang, Harold E Smith, Chengyu Liu, Lothar Hennighausen
The zinc finger protein CTCF has been invoked in establishing boundaries between genes, thereby controlling spatial and temporal enhancer activities. However, there is limited genetic evidence to support the concept that these boundaries restrict the search space of enhancers. We have addressed this question in the casein locus containing five mammary and two non-mammary genes under the control of at least seven putative enhancers. We have identified two CTCF binding sites flanking the locus and two associated with a super-enhancer...
March 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334875/white-matter-changes-in-paediatric-multiple-sclerosis-and-monophasic-demyelinating-disorders
#9
Giulia Longoni, Robert A Brown, Parya MomayyezSiahkal, Colm Elliott, Sridar Narayanan, Amit Bar-Or, Ruth Ann Marrie, E Ann Yeh, Massimo Filippi, Brenda Banwell, Douglas L Arnold
Most children who experience an acquired demyelinating syndrome of the central nervous system will have a monophasic disease course, with no further clinical or radiological symptoms. A subset will be diagnosed with multiple sclerosis, a life-long disorder. Using linear mixed effects models we examined longitudinal diffusion properties of normal-appearing white matter in 505 serial scans of 132 paediatric participants with acquired demyelinating syndromes followed for a median of 4.4 years, many from first clinical presentation, and 106 scans of 80 healthy paediatric participants...
March 14, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334823/h3-y-discriminates-between-hira-and-daxx-chaperone-complexes-and-reveals-unexpected-insights-into-human-daxx-h3-3-h4-binding-and-deposition-requirements
#10
Lisa-Maria Zink, Erwan Delbarre, H Christian Eberl, Eva C Keilhauer, Clemens Bönisch, Sebastian Pünzeler, Marek Bartkuhn, Philippe Collas, Matthias Mann, Sandra B Hake
Histone chaperones prevent promiscuous histone interactions before chromatin assembly. They guarantee faithful deposition of canonical histones and functionally specialized histone variants into chromatin in a spatial- and temporally-restricted manner. Here, we identify the binding partners of the primate-specific and H3.3-related histone variant H3.Y using several quantitative mass spectrometry approaches, and biochemical and cell biological assays. We find the HIRA, but not the DAXX/ATRX, complex to recognize H3...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334808/downregulation-of-pathways-implicated-in-liver-inflammation-and-tumorigenesis-of-glycogen-storage-disease-type-ia-mice-receiving-gene-therapy
#11
Goo-Young Kim, Joon Hyun Kwon, Jun-Ho Cho, Lisa Zhang, Brian C Mansfield, Janice Y Chou
Glycogen storage disease type Ia (GSD-Ia) is characterized by impaired glucose homeostasis and long-term risks of hepatocellular adenoma (HCA) and carcinoma (HCC). We have shown that the non-tumor-bearing (NT), recombinant adeno-associated virus (rAAV) vector-treated GSD-Ia mice (AAV-NT mice) expressing a wide range (0.9-63%) of normal hepatic glucose-6-phosphatase-α activity maintain glucose homeostasis and display physiologic features mimicking animals living under calorie restriction (CR). We now show that in AAV-NT mice, the signaling pathways of the CR mediators, AMP-activated protein kinase (AMPK) and sirtuin-1 are activated...
March 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334709/micronutrients-essential-fatty-acids-and-bone-health-in-phenylketonuria
#12
Serwet Demirdas, Francjan J van Spronsen, Carla E M Hollak, J Hanneke van der Lee, Peter H Bisschop, Fred M Vaz, Nienke M Ter Horst, M Estela Rubio-Gozalbo, Annet M Bosch
INTRODUCTION: In phenylketonuria (PKU), a natural protein-restricted dietary treatment prevents severe cognitive impairment. Nutrient deficiencies may occur due to strict diet. This study is aimed at evaluating the dietary intake and blood concentrations of micronutrients and essential fatty acids (FA), bone mineral density (BMD) and fracture history in patients on long-term dietary treatment. METHODS: Sixty early diagnosed Dutch patients (aged 1-39 years) were included in a multi-center cross-sectional study...
March 24, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28334585/uptake-and-utilization-of-practice-guidelines-in-hospitals-in-the-united-states-the-case-of-routine-episiotomy
#13
Katy B Kozhimannil, Pinar Karaca-Mandic, Cori J Blauer-Peterson, Neel T Shah, Jonathan M Snowden
BACKGROUND: The gap between publishing and implementing guidelines differs based on practice setting, including hospital geography and teaching status. On March 31, 2006, a Practice Bulletin published by the American College of Obstetricians and Gynecologists (ACOG) recommended against the routine use of episiotomy and urged clinicians to make judicious decisions to restrict the use of the procedure. OBJECTIVE: This study investigated changes in trends of episiotomy use before and after the ACOG Practice Guideline was issued in 2006, focusing on differences by hospital geographic location (rural/urban) and teaching status...
January 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334570/attention-deficit-hyperactivity-disorder-adhd-and-disordered-eating-behaviour-a-systematic-review-and-a-framework-for-future-research
#14
REVIEW
Panagiota Kaisari, Colin T Dourish, Suzanne Higgs
Preliminary findings suggest that Attention Deficit Hyperactivity Disorder (ADHD) may be associated with disordered eating behaviour, but whether there is sufficient evidence to suggest an association between ADHD and specific types of disordered eating behaviour is unclear. Furthermore, it is uncertain whether specific features associated with ADHD are differentially associated with disordered eating behaviour. A systematic review of seventy-five studies was conducted to evaluate the potential association between ADHD symptomatology and disordered eating behaviour and to provide an estimate of the strength of evidence for any association...
March 6, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28334567/review-of-nonformulary-medication-approvals-in-an-academic-medical-center
#15
Qoua L Her, Mary G Amato, Diane L Seger, James F Gilmore, John Fanikos, Julie M Fiskio, David W Bates
BACKGROUND: The Joint Commission requires hospitals to formally review formulary medications at least annually based on new clinical information. Although review of nonformulary medication (NFM) use is not required, frequent and inappropriate use of NFMs has the potential to increase hospital costs, negatively affect quality of care, and increase medication errors. Limited resources may restrict an institution's ability to review NFM use in addition to the required annual formulary review...
February 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28334526/an-unusual-non-emissive-behavior-of-rubrene-j-aggregates-a-rare-violation
#16
Nikhil Aggarwal, Archita Patnaik
Structure - property correlations in Rubrene (RB) colloidal J-aggregates were unravelled by steady state and time resolved spectroscopy in conjunction with excited state density functional calculations. The RB J-aggregate with a slippage angle θ = 30.4(0), estimated from the monomeric transition dipole moment directions, exhibited a broad FWHM of 1073 cm(-1) and a 5 nm red shifted absorption band carrying a transition dipole moment (M ⃗_(λagg )= 1.80 D) almost equivalent to the monomeric dye (M ⃗_(λmon )=1...
March 23, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28334433/dietary-interventions-for-recurrent-abdominal-pain-in-childhood
#17
REVIEW
Tamsin V Newlove-Delgado, Alice E Martin, Rebecca A Abbott, Alison Bethel, Joanna Thompson-Coon, Rebecca Whear, Stuart Logan
BACKGROUND: This is an update of the original Cochrane review, last published in 2009 (Huertas-Ceballos 2009). Recurrent abdominal pain (RAP), including children with irritable bowel syndrome, is a common problem affecting between 4% and 25% of school-aged children. For the majority of such children, no organic cause for their pain can be found on physical examination or investigation. Many dietary inventions have been suggested to improve the symptoms of RAP. These may involve either excluding ingredients from the diet or adding supplements such as fibre or probiotics...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334427/capnography-versus-standard-monitoring-for-emergency-department-procedural-sedation-and-analgesia
#18
REVIEW
Brian F Wall, Kirk Magee, Samuel G Campbell, Peter J Zed
BACKGROUND: Procedural sedation and analgesia (PSA) is used frequently in the emergency department (ED) to facilitate painful procedures and interventions. Capnography, a monitoring modality widely used in operating room and endoscopy suite settings, is being used more frequently in the ED setting with the goal of reducing cardiopulmonary adverse events. As opposed to settings outside the ED, there is currently no consensus on whether the addition of capnography to standard monitoring modalities reduces adverse events in the ED setting...
March 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28334384/the-cancer-paradigms-of-mammalian-regeneration-can-mammals-regenerate-as-amphibians
#19
Rachel Sarig, Eldad Tzahor
Regeneration in mammals is restricted to distinct tissues and occurs mainly by expansion and maturation of resident stem cells. During regeneration, even subtle mutations in the proliferating cells may cause a detrimental effect by eliciting abnormal differentiation or malignant transformation. Indeed, cancer in mammals has been shown to arise through deregulation of stem cells maturation, which often leads to a differentiation block and cell transformation. In contrast, lower organisms such as amphibians retain a remarkable regenerative capacity in various organs, which occurs via de- and re-differentiation of mature cells...
March 15, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28334339/insecticidal-effects-on-the-spatial-progression-of-tomato-yellow-leaf-curl-virus-and-movement-of-its-whitefly-vector-in-tomato
#20
M Dempsey, D G Riley, R Srinivasan
Commercial management of whitefly-transmitted Tomato yellow leaf curl virus (TYLCV) typically relies on insecticide control of whitefly vectors as a first line of defense. We quantified this effect in crop tunnel studies, with validation in a tomato field setting. Tomato yellow leaf curl virus-infected and Bemisia tabaci (Gennadius)-infested source plants were planted at the beginning of tunneled rows to serve as inoculum source, so that movement of whiteflies and TYLCV symptoms could be tracked down the length of the tunnel over time...
March 8, 2017: Journal of Economic Entomology
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