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https://www.readbyqxmd.com/read/100001002/kdigo-2013-clinical-practice-guideline-for-lipid-management-in-chronic-kidney-disease-full-guidelines
#1
(no author information available yet)
No abstract text is available yet for this article.
2013: Kidney International Supplements
https://www.readbyqxmd.com/read/100001001/summary-of-recommendation-statements-kdigo-2013-clinical-practice-guideline-for-lipid-management-in-chronic-kidney-disease
#2
(no author information available yet)
No abstract text is available yet for this article.
2013: Kidney International Supplements
https://www.readbyqxmd.com/read/29166667/flotillin-scaffold-activity-contributes-to-type-vii-secretion-system-assembly-in-staphylococcus-aureus
#3
Benjamin Mielich-Süss, Rabea M Wagner, Nicole Mietrach, Tobias Hertlein, Gabriella Marincola, Knut Ohlsen, Sebastian Geibel, Daniel Lopez
Scaffold proteins are ubiquitous chaperones that promote efficient interactions between partners of multi-enzymatic protein complexes; although they are well studied in eukaryotes, their role in prokaryotic systems is poorly understood. Bacterial membranes have functional membrane microdomains (FMM), a structure homologous to eukaryotic lipid rafts. Similar to their eukaryotic counterparts, bacterial FMM harbor a scaffold protein termed flotillin that is thought to promote interactions between proteins spatially confined to the FMM...
November 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29166659/sex-specific-influences-of-mtdna-mitotype-and-diet-on-mitochondrial-functions-and-physiological-traits-in-drosophila-melanogaster
#4
Wen C Aw, Michael R Garvin, Richard G Melvin, J William O Ballard
Here we determine the sex-specific influence of mtDNA type (mitotype) and diet on mitochondrial functions and physiology in two Drosophila melanogaster lines. In many species, males and females differ in aspects of their energy production. These sex-specific influences may be caused by differences in evolutionary history and physiological functions. We predicted the influence of mtDNA mutations should be stronger in males than females as a result of the organelle's maternal mode of inheritance in the majority of metazoans...
2017: PloS One
https://www.readbyqxmd.com/read/29166645/angiotensin-ii-infusion-does-not-cause-abdominal-aortic-aneurysms-in-apolipoprotein-e-deficient-rats
#5
Evan H Phillips, Mandy S Chang, Sydney Gorman, Hamna J Qureshi, Karin F K Ejendal, Tamara L Kinzer-Ursem, A Nicole Blaize, Craig J Goergen
The apolipoprotein E-deficient (apoE-/-) mouse model has advanced our understanding of cardiovascular disease mechanisms and experimental therapeutics. This spontaneous model recapitulates aspects of human atherosclerosis, and allows for the development of dissecting abdominal aortic aneurysms (AAAs) when combined with angiotensin II. We characterized apoE-/- rats and hypothesized that, similar to mice, they would develop dissecting AAAs. We created rats with a 16-bp deletion of the apoE gene using transcription activator-like effector nucleases...
November 23, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/29166573/interaction-of-hsp90-with-phospholipid-model-membranes
#6
Muhan Zhang, Daoying Wang, Pengpeng Li, Chong Sun, Rong Xu, Zhiming Geng, Weimin Xu, Zhaoqi Dai
Heat shock protein 90 (Hsp90) is an essential molecular chaperone with versatile functions in cell homeostatic control under both normal and stress conditions. Hsp90 has been found to be expressed on the cell surface, but the mechanism of Hsp90 association to the membrane remains obscure. In this study, the direct interaction of Hsp90 and phospholipid vesicles was characterized, and the role of Hsp90 on membrane physical state was explored. Using surface plasmon resonance (SPR), we observed a strong interaction between Hsp90 and different compositions of lipid...
November 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29166560/analytical-challenges-and-recent-advances-in-mass-spectrometry-based-lipidomics
#7
Yepy Hardi Rustam, Gavin Edmund Reid
Although no internationally accepted consensus definition exists, lipids can be broadly defined as "fatty acids and their derivatives, and substances related biosynthetically or functionally to these compounds". Lipids play critical roles as (i) the major structural components of biological membranes, and as functional and regulatory components of membrane protein signaling, (ii) bioactive intra- and inter-cellular signaling molecules, and (iii) energy storage molecules for the maintenance of energy homeostasis...
November 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29166558/understanding-the-cellular-uptake-of-ph-responsive-zwitterionic-gold-nanoparticles-a-computer-simulation-study
#8
Xuebo Quan, Daohui Zhao, Libo Li, Jian Zhou
Surface functionalization of nanoparticles (NPs) with stealth polymers (e.g., hydrophilic and zwitterionic polymers) has become a common strategy to resist non-specific protein adsorption recently. Understanding the role of surface decoration on NP-biomembrane interactions is of great significance to promote the application of NPs in biomedical fields. Herein, using coarse-grained molecular dynamics (CGMD) simulations, we investigate the interactions between stealth polymer-coated gold nanoparticles (AuNPs) and lipid membranes...
November 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29166534/effect-of-syzygium-cumini-leaves-on-laying-hens-performance-and-egg-quality
#9
Ednardo R Freitas, Danilo R Fernandes, Davyd H Souza, Francisco D T Dantas, Rebeca C Santos, Gilson B Oliveira, Carlos Eduardo B Cruz, Nádia M Braz, Lorena F Câmara, Germano A J Nascimento, Pedro H Watanabe
The aim of this study was to evaluate the effect of Syzygium cumini leaves (SCL) in laying hens diets on productive performance, egg quality and lipid oxidation of yolk. A total of 108 Hysex White laying hens were distributed in a completely randomized design with three treatments and six replicates of six birds each. The treatments consisted of SCL inclusion at dietary levels of 0, 5 and 10 g/kg. There was no significant effect of SCL inclusion on feed intake, laying percentage, weight and egg mass, feed conversion ratio, Haugh units, specific gravity, percentage of yolk, albumen and egg shells and shell thickness...
2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29166379/bcfa-enriched-vernix-monoacylglycerol-reduces-lps-induced-inflammatory-markers-in-human-enterocytes-in-vitro
#10
Yuanyuan Yan, Zhen Wang, Donghao Wang, Peter Lawrence, Xingguo Wang, Kumar S D Kothapalli, Jacelyn Greenwald, Ruijie Liu, Hui Gyu Park, J Thomas Brenna
BACKGROUND: Excess vernix caseosa produced by the fetal skin appears as particles suspended in the amniotic fluid in late gestation, is swallowed by the fetus and is found throughout the newborn GI tract as the first organisms are arriving to colonize the gut. Lipid rich vernix contains an unusually high 29% branched chain fatty acid (BCFA). BCFA reduce the incidence of necrotizing enterocolitis in an animal model, recently found predominantly in the sn-2 position of human milk triacylglycerols...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29166372/placental-lipid-processing-in-response-to-a-maternal-high-fat-diet-and-diabetes-in-rats
#11
Eli J Louwagie, Tricia D Larsen, Angela L Wachal, Michelle L Baack
BACKGROUND: Diabetes and obesity during pregnancy impact the health of both mothers and developing babies. Prevention focuses on glycemic control, but increasing evidence implicates a role for lipids. Using a rat model, we showed that a maternal high-fat (HF) diet, increased perinatal morbidity and mortality, but lipid processing across the maternal-placental-fetal triad remained unstudied. We hypothesized that HF diet would disrupt placental lipid processing to exaggerate fuel-mediated consequences of diabetic pregnancy...
November 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29166319/cardiometabolic-impact-of-changing-sitting-standing-and-stepping-in-the-workplace
#12
Elisabeth Ah Winkler, Sebastien Chastin, Elizabeth G Eakin, Neville Owen, Anthony D LaMontagne, Marj Moodie, Paddy C Dempsey, Bronwyn A Kingwell, David W Dunstan, Genevieve N Healy
BACKGROUND: According to cross-sectional and acute experimental evidence, reducing sitting time should improve cardio-metabolic health risk biomarkers. Furthermore, the improvements obtained may depend on whether sitting is replaced with standing or ambulatory activities. Based on data from the Stand Up Victoria multi-component workplace intervention, we examined this issue using compositional data analysis - a method that can examine and compare all activity changes simultaneously. METHODS: Participants receiving the intervention (n=136 ≥0...
November 21, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29166161/will-invertebrates-require-increasingly-carbon-rich-food-in-a-warming-world
#13
Thomas R Anderson, Dag O Hessen, Maarten Boersma, Jotaro Urabe, Daniel J Mayor
Elevated temperature causes metabolism and respiration to increase in poikilothermic organisms. We hypothesized that invertebrate consumers will therefore require increasingly carbon-rich diets in a warming environment because the increased energetic demands are primarily met using compounds rich in carbon, that is, carbohydrates and lipids. Here, we test this hypothesis using a new stoichiometric model that has carbon (C) and nitrogen (N) as currencies. Model predictions did not support the hypothesis, indicating instead that the nutritional requirements of invertebrates, at least in terms of food quality expressed as C∶N ratio, may change little, if at all, at elevated temperature...
December 2017: American Naturalist
https://www.readbyqxmd.com/read/29166098/pulling-force-and-surface-tension-drive-membrane-fusion
#14
Xuejuan Liu, Falin Tian, Tongtao Yue, Xianren Zhang, Chongli Zhong
Despite catalyzed by fusion proteins of quite different molecular architectures, intracellular, viral, and cell-to-cell fusions are found to have the essential common features and the nearly same nature of transition states. The similarity inspires us to find a more general catalysis mechanism for membrane fusion that minimally depends on the specific structures of fusion proteins. In this work, we built a minimal model for membrane fusion, and by using dissipative particle dynamics simulations, we propose a mechanism that the pulling force generated by fusion proteins initiates the fusion process and the membrane tension regulates the subsequent fusion stages...
November 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29166022/dynamics-of-ompf-trimer-formation-in-the-bacterial-outer-membrane-of-escherichia-coli
#15
Huilin Ma, Aliza Khan, Shikha Nangia
The self-assembly of outer membrane protein F (OmpF) in the outer membrane of Escherichia coli Gram-negative bacteria was studied using multiscale molecular dynamics simulations. To facilitate the long timescale required for protein assembly, coarse-grained parameterization of E. coli outer membrane lipids was first developed. The OmpF monomers formed stable dimers at specific protein-protein interactions sites irrespective of the lipid membrane environment. The dimer intermediate was asymmetric but provided a template to form a symmetric trimer...
November 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29166021/differences-in-the-aspect-ratio-of-gold-nanorods-that-induce-defects-in-cell-membrane-models
#16
Paula M P Lins, Valeria Spolon Marangoni, Thiers M Uehara, Paulo Barbeitas Miranda, Valtencir Zucolotto, Juliana Cancino Bernardi
Understanding the interactions between biomolecules and nanomaterials is of great importance for many areas of nanomedicine and bioapplications. Although studies in this area have been performed, the interactions between cell membranes and nanoparticles are not fully understood. Here, we investigate the interactions that occur between the Langmuir monolayers of dipalmitoylphosphatidyl glycerol (DPPG) and dipalmitoylphosphatidyl choline (DPPC) with gold nanorods (NR) - with three aspect ratios - and gold nanoparticles...
November 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29165984/on-chip-lipid-extraction-using-super-absorbent-polymers-for-mass-spectrometry
#17
Geul Bang, Young Hwan Kim, Junghyo Yoon, Yeong Jun Yu, Seok Chung, Jeong Ah Kim
Pre-treatment of samples is the one of most important steps in analytical methods for efficient and accurate results. Typically, an extraction method used for lipid analysis with mass spectrometry is accompanied by complex liquid-liquid extraction. We have devised a simple, rapid, and efficient lipid extraction method using super absorbent polymers (SAPs) and developed a high-throughput lipid extraction platform based on a microfluidic system. Since SAPs can rapidly absorb an aqueous solution from a raw sample and convert it into the gel, the lipid extraction process can be remarkably simplified...
November 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29165906/noninvasive-high-speed-near-infrared-imaging-of-the-biomolecular-distribution-and-molecular-mechanism-of-embryonic-development-in-fertilized-fish-eggs
#18
Mika Ishigaki, Takashi Nishii, Paralee Puangchit, Yui Yasui, Christian W Huck, Yukihiro Ozaki
In the present study, the distribution of biomaterials and its molecular mechanism of embryonic development in Japanese medaka fish were analyzed nondestructively and noninvasively without staining using near-infrared (NIR) imaging. The microscope NIR imaging system used in this research was a device capable of ultra-high-speed imaging; using this system, one can acquire microscopic imaging data in a few seconds. Therefore, the medaka eggs remained alive throughout measurements and were successfully monitored in vivo...
November 22, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29165817/development-of-mayonnaise-with-substitution-of-oil-or-egg-yolk-by-the-addition-of-chia-salvia-hisp%C3%A3-nica-l-mucilage
#19
Sibele Santos Fernandes, Myriam de Las Mercedes Salas Mellado
Chia mucilage is formed by the hydration of chia seeds and presents characteristics that potentiate its application as substitute of fat in several foods. In this study, mayonnaises were prepared with different levels of freeze-dried chia mucilage instead of oil or egg yolk. The substitution of oil in mayonnaise promoted increased stability and texture parameters, and the mayonnaise substituted by egg yolk presented similar stability and texture parameters as the control mayonnaise. The substitution of oil in mayonnaise was about 50% with 45% oil substitution, whereas for the mayonnaise with 35% of egg yolk replacement it was about 0...
November 22, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29165735/thyroid-stimulating-hormone-within-the-reference-range-is-associated-with-visceral-adiposity-index-and-lipid-accumulation-product-a-population-based-study-of-spect-china
#20
Yi Chen, Yingchao Chen, Ningjian Wang, Chi Chen, Xiaomin Nie, Qin Li, Bing Han, Yingli Lu
Few studies about the relationship of thyroid stimulating hormone (TSH) level with visceral adiposity index (VAI) and lipid accumulation product (LAP) in large Chinese population are available. The aim of this study was to explore whether TSH level within the reference range was associated with these two newer reliable cardiovascular risk factors. The data were obtained from a cross-sectional study (SPECT-China study, 2014-2015), which was based on the population. Participants underwent several checkups, which included anthropometric parameters, blood pressure, TSH levels, and glucose and lipid profiles...
November 17, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
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