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Lipid ratio

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https://www.readbyqxmd.com/read/28941386/trp64arg-polymorphism-of-the-adrb3-gene-associated-with-maximal-fat-oxidation-and-ldl-c-levels-in-non-obese-adolescents
#1
Íncare Correa de Jesus, Lupe Furtado Alle, Eva Cantalejo Munhoz, Larissa Rosa da Silva, Wendell Arthur Lopes, Luciane Viater Tureck, Katia Sheylla Malta Purim, Ana Claudia Kapp Titski, Neiva Leite
OBJECTIVE: To analyze the association between the Trp64Arg polymorphism of the ADRB3 gene, maximal fat oxidation rates (FATMAX) and the lipid profile levels in non-obese adolescents. METHODS: 72 schoolchildren, of both genders, aged between 11 and 17 years, participated in the study. The anthropometric and body composition variables, in addition to total cholesterol (TC), high density lipoprotein (HDL-c), low density lipoprotein (LDL-c), triglycerides (TG), insulin (INS), and basal glycemia (GLIC), were evaluated...
September 20, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28938582/effect-of-hepatic-steatosis-on-the-progression-of-chronic-hepatitis-b-a-prospective-cohort-and-in-vitro-study
#2
Yangqin Chen, Chunlei Fan, Yuhan Chen, Hui Liu, Shanshan Wang, Peiling Dong, Lei Li, Huiguo Ding
AIM: To characterize the effect of hepatic steatosis (HS) on the progression of chronic hepatitis B. METHODS: A total of 162 chronic hepatitis B (CHB) patients confirmed by liver biopsy were involved in this study. All subjects were prospectively followed-up for 5 years in real-life clinical practice. Fibrosis stage was determined using aspartate aminotransferase-to-platelet ratio index (APRI). The end-point was cirrhosis, liver cancer or death. The effects of steatosis on the biological behavior of hepatocellular carcinoma cells were investigated using oleic acid-induced lipid accumulation in HepG2, HLE, PLC, and SMMC-7721 cells...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938440/sex-differences-in-the-hormonal-and-metabolic-response-to-dietary-protein-dilution
#3
Karlton R Larson, Kimberly A Russo, Yanbin Fang, Niloufar Mohajerani, Michael L Goodson, Karen K Ryan
Consumption of a low-protein, high-carbohydrate diet induces a striking increase in circulating fibroblast growth factor-21 (FGF21), which is associated with improved cardiometabolic health and increased longevity. Increased lifespan during this dietary protein 'dilution' has been explained by resource-mediated trade-offs between reproduction and survival, such that fecundity is optimized at a greater relative intake of proteins:carbohydrates. The magnitude of this trade-off is thought to be sex-dependent. Here, we tested the hypothesis that metabolic responses to dietary protein dilution are likewise dependent on sex...
August 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938176/genotypic-differences-in-physiological-and-biochemical-responses-to-salinity-stress-in-melon-cucumis-melo-l-plants-prospects-for-selection-of-salt-tolerant-landraces
#4
Behrooz Sarabi, Sahebali Bolandnazar, Nasser Ghaderi, Jaleh Ghashghaie
Melon (Cucumis melo L.) is one of the most important horticultural crops in Iran often cultivated in arid and semiarid regions of the country with salinity problems. The objective of this work was to better understand the mechanisms of physiological and biochemical responses to salinity stress of five Iranian melon landraces "Samsuri", "Kashan", "Khatouni", "Suski-e-Sabz", and "Ghobadlu" from different geographical origins, and "Galia" F1 cultivar. Plants were grown under greenhouse conditions and irrigated with half-strength Hoagland solution containing 0, 30, 60, or 90 mM NaCl for 60 days...
September 13, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28937289/the-association-of-hyperuricemia-and-metabolic-syndrome-in-thai-postmenopausal-women
#5
K Techatraisak, T Kongkaew
OBJECTIVE: The purpose of this study was to evaluate the association of hyperuricemia and metabolic syndrome (MS) in Thai postmenopausal women. METHODS: A total of 740 consecutive Thai postmenopausal women were reviewed who were not receiving uric acid or lipid-lowering agents at the Menopause Clinic, Faculty of Medicine Siriraj Hospital, Bangkok, from January 2004 to January 2016. Hyperuricemia was defined as serum uric acid level >5.7 mg/dl. The revised National Cholesterol Education Program (rNCEP) 2004 criteria were used for diagnosis of MS...
September 22, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28936200/the-fungus-aspergillus-aculeatus-enhances-salt-stress-tolerance-metabolite-accumulation-and-improves-forage-quality-in-perennial-ryegrass
#6
Xiaoning Li, Shijuan Han, Guangyang Wang, Xiaoying Liu, Erick Amombo, Yan Xie, Jinmin Fu
Perennial ryegrass (Lolium perenne) is an important forage grass with high yield and superior quality in temperate regions which is widely used in parks, sport field, and other places. However, perennial ryegrass is moderately tolerant to salinity stress compared to other commercial cultivars and salt stress reduces their growth and productivity. Aspergillus aculeatus has been documented to participate in alleviating damage induced by salinity. Therefore, the objective of this study was to investigate the mechanisms underlying A...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28935809/intake-of-chocolate-liquor-increases-vascular-lesions-in-apoe-knockout-mice
#7
Narges Yazdekhasti, Corinna Brandsch, Frank Hirche, Julia Kühn, Anke Schloesser, Tuba Esatbeygolu, Patricia Huebbe, Sigfried Wolffram, Gerald Rimbach, Gabriele I Stangl
Cocoa polyphenols are thought to reduce the risk of cardiovascular diseases. Thus, cocoa-containing foods may have significant health benefits. Here, we studied the impact of chocolate liquor on vascular lesion development and plaque composition in a mouse model of atherosclerosis. Apolipoprotein E (apoE)-knockout mice were assigned to two groups and fed a Western diet that contained 250 g/kg of either chocolate liquor or a polyphenol-free isoenergetic control paste for 16 weeks. In addition to fat, protein and fibers, the chocolate liquor contained 2 g/kg of polyphenols...
September 21, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28935567/lactobacillus-fermentum-ftdc-8312-combats-hypercholesterolemia-via-alteration-of-gut-microbiota
#8
Huey-Shi Lye, Tamotsu Kato, Wai-Yee Low, Todd D Taylor, Tulika Prakash, Lee-Ching Lew, Hiroshi Ohno, Min-Tze Liong
In this study, hypercholesterolemic mice fed with Lactobacillus fermentum FTDC 8312 after a seven-week feeding trial showed a reduction in serum total cholesterol (TC) levels, accompanied by a decrease in serum low-density lipoprotein cholesterol (LDL-C) levels, an increase in serum high-density lipoprotein cholesterol (HDL-C) levels, and a decreased ratio of apoB100:apoA1 when compared to those fed with control or a type strain, L. fermentum JCM 1173. These have contributed to a decrease in atherogenic indices (TC/HDL-C) of mice on the FTDC 8312 diet...
September 18, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28935269/randomized-trial-of-omega-3-for-autism-spectrum-disorders-effect-on-cell-membrane-composition-and-behavior
#9
Mara Parellada, Cloe Llorente, Rosa Calvo, Silvia Gutierrez, Luisa Lázaro, Montserrat Graell, Maria Guisasola, Maria Luisa Dorado, Leticia Boada, Jose Romo, Elena Dulin, Inmaculada Sanz, Celso Arango, Carmen Moreno
A high ω6/ω3 ratio [fatty acid (FA) index] in the cell membrane has been associated with inadequate brain development. It has started to be used as a biomarker of treatment efficacy in human diseases. The aim of this study was to investigate if omega-3 supplementation improves erythrocyte membrane ω6/ω3, plasma antioxidant status (TAS) and autistic behaviors. A randomized, crossover, placebo-controlled study was designed to investigate the effect of 8 weeks of supplementation with ω3 (962mg/d and 1155mg/d for children and adolescents, respectively)...
September 18, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28935258/rifampicin-lipid-polymer-hybrid-nanoparticles-lipomer-for-enhanced-peyer-s-patch-uptake
#10
Sagar S Bachhav, Vikas D Dighe, Darsheen Kotak, Padma V Devarajan
The oral uptake of intact nanocarriers through Peyer's patches is an important uptake pathway. We report Rifampicin Lipid-Polymer hybrid nanoparticles (RIF-LIPOMER) using glyceryl monostearate as lipid and the mucoadhesive polymer, Gantrez, with the objective of balancing hydrophobicity and mucoadhesion for enhanced Peyer's patch uptake. RIF-LIPOMER was optimized for size, hydrophobicity, and mucoadhesion using Box-Behnken. Design RIF-LIPOMER (RIF-LIPO-120) exhibited average particle size in the range 300-400nm with drug loading >12%...
September 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28935145/determinants-of-obstructive-sleep-apnea-syndrome-pro-inflammatory-state-and-dysfunction-of-high-density-lipoprotein
#11
Yusuf Karadeniz, Altan Onat, Tuğba Akbaş, Barış Şimşek, Hüsniye Yüksel, Günay Can
OBJECTIVE: The goal of this study was to determine variables preceding and predicting incident obstructive sleep apnea syndrome (OSAS) in the population at large. METHODS: Anthropometric, lipid, and non-lipid variables in participants with newly developing OSAS (n = 131) were compared with those of a cohort sample (n = 2615) of the Turkish Adult Risk Factor study. Available values preceding (by a median of 32 mo) the development of OSAS were used in multivariable Cox regression models...
November 2017: Nutrition
https://www.readbyqxmd.com/read/28934610/chitosan-lipid-nanoparticles-cs-lnps-application-to-sirna-delivery
#12
Özgül Tezgel, Anna Szarpak-Jankowska, Amandine Arnould, Rachel Auzély-Velty, Isabelle Texier
To benefit from the biocompatibility of lipid nanoparticles associated with the transfection ability of chitosan, small chitosan lipid nanoparticles (CS-LNPs) dedicated to SiRNA delivery were formulated by an easy-to-implement one-step process. Formulations of CS-LNPs (lipid core stabilized by a shell comprising phospholipids/cationic lipids and hydrophobically modified chitosan) were optimized for their physico-chemical properties (size, zeta potential, colloidal stability) according to their shell composition...
September 11, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28934270/assessment-of-the-trophic-state-of-a-hypersaline-carbonatic-environment-vermelha-lagoon-brazil
#13
Lazaro Laut, Maria Virginia Alves Martins, Fabrizio Frontalini, João M Ballalai, Pierre Belart, Renan Habib, Luiz F Fontana, Iara M M M Clemente, Maria Lucia Lorini, João G Mendonça Filho, Vanessa M Laut, Marcos de Souza Lima Figueiredo
Vermelha Lagoon is a hypersaline shallow transitional ecosystem in the state of Rio de Janeiro (Brazil). This lagoon is located in the protected area of Massambaba, between the cities of Araruama and Saquarema (Brazil), and displays two quite uncommon particularities: it exhibits carbonate sedimentation and displays the development of Holocene stromatolites. Due to both particularities, the salt industry and property speculation have been, increasingly, generating anthropic pressures on this ecosystem. This study aims to apply a multiproxy approach to evaluate the trophic state of Vermelha Lagoon based on physicochemical parameters and geochemical data for the quantification and qualification of organic matter (OM), namely total organic carbon (TOC), total sulfur (TS), total phosphorus (TP) and biopolymeric carbon (BPC), including carbohydrates (CHO), lipids (LIP) and proteins (PTN)...
2017: PloS One
https://www.readbyqxmd.com/read/28931916/salidroside-ameliorates-sepsis-induced-acute-lung-injury-and-mortality-via-downregulating-nf-%C3%AE%C2%BAb-and-hmgb1-pathways-through-the-upregulation-of-sirt1
#14
Kuo-Cheng Lan, Sung-Chuan Chao, Hsiao-Yi Wu, Chia-Lien Chiang, Ching-Chia Wang, Shing-Hwa Liu, Te-I Weng
Sepsis is a life-threatening medical condition. Salidroside, a substance isolated from Rhodiola rosea, possesses antioxidant and anti-inflammatory properties. The effect and mechanism of salidroside on sepsis-induced acute lung injury still remains to be well clarified. Here, we investigated the effect and mechanism of salidroside on septic mouse models and explored the role of salidroside-upregulated SIRT1. Salidroside inhibited the inflammatory responses and HMGB1 productions in bacterial lipopolysaccharide (LPS)-treated macrophages and mice...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931598/coordinated-increase-of-nuclear-tension-and-lamin-a-with-matrix-stiffness-out-competes-lamin-b-receptor-which-favors-soft-tissue-phenotypes
#15
Amnon Buxboim, Jerome Irianto, Joe Swift, Avathamsa Athirasala, Jae-Won Shin, Florian Rehfeldt, Dennis E Discher
Matrix stiffness that is sensed by a cell or measured by a purely physical probe reflects the intrinsic elasticity of the matrix and also how thick or thin the matrix is. Here, mesenchymal stem cells (MSCs) and their nuclei spread in response to thickness-corrected matrix micro-elasticity, with increases in nuclear tension and nuclear stiffness resulting from increases in myosin-II and lamin-A,C. Linearity between the widely varying projected area of a cell and its nucleus across many matrices, timescales, and myosin-II activity levels indicates a constant ratio of nucleus-to-cell volume, despite the differentiation potential of MSCs...
September 20, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28930428/ion-transport-in-confined-geometries-below-the-nanoscale-access-resistance-dominates-protein-channel-conductance-in-diluted-solutions
#16
Antonio Alcaraz, M Lidón López, María Queralt-Martín, Vicente M Aguilella
Synthetic nanopores and mesoscopic protein channels have common traits like the importance of electrostatic interactions between the permeating ions and the nanochannel. Ion transport at the nanoscale occurs under confinement conditions so that the usual assumptions made in microfluidics are challenged, among others, by interfacial effects such as access resistance (AR). Here, we show that a sound interpretation of electrophysiological measurements in terms of channel ion selective properties requires the consideration of interfacial effects, up to the point that they dominate protein channel conductance in diluted solutions...
September 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/28928709/insight-into-metabolic-1-h-mrs-changes-in-natalizumab-induced-progressive-multifocal-leukoencephalopathy-brain-lesions
#17
Ruth Schneider, Barbara Bellenberg, Robert Hoepner, Gisa Ellrichmann, Ralf Gold, Carsten Lukas
BACKGROUND: Progressive multifocal leukoencephalopathy (PML) is a severe complication of immunosuppressive therapies, especially of natalizumab in relapsing-remitting multiple sclerosis (MS). Metabolic changes within PML lesions have not yet been described in natalizumab-associated PML in MS patients. OBJECTIVE: To study metabolic profiles in natalizumab-associated PML lesions of MS patients by (1)H magnetic resonance spectroscopy ((1)H-MRS) at different stages during the PML course...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28928062/the-derivatization-and-antioxidant-activities-of-yeast-mannan
#18
Yang Liu, Gangliang Huang
The alkaline mannan (M) was extracted from yeast cell walls, and the best extraction condition was: 100°C, 2h, 1% NaOH, solid-liquid ratio of 10:1. The purity of mannan was 96.15%. Its five derivatives were obtained by chemical modification methods, and they were: phosphorylated mannan (P-M), sulfated mannan (S-M), carboxymethylated mannan (CM-M), carboxymethylated-phosphorylated mannan (CMP-M), and carboxymethylated-sulfated mannan (CMS-M). The phosphate substitution degree of P-M and CMP-M was 0.2 and 0...
September 16, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28927020/stable-carbon-isotope-composition-of-the-lipids-in-natural-ophiocordyceps-sinensis-from-major-habitats-in-china-and-its-substitutes
#19
Lian-Xian Guo, Xiao-Ming Xu, Yue-Hui Hong, Yan Li, Jiang-Hai Wang
Ophiocordyceps sinensis is one rare medicinal fungus produced in the Qinghai-Tibetan Plateau. Its quality and price varies hugely with different habitat, and its numerous substitutes have sprung up in functional food markets. This paper aims to discriminate the geographic origin of wild O. sinensis and its substitutes via element analyzer-isotope ratio mass spectrometry and gas chromatography-isotope ratio mass spectrometry. The δ(13)C values of major fatty acids in the lipids of O. sinensis are characterized unanimously by the variation relation C18:0 < C18:2 ≈ C16:0 < C18:1, while their fluctuation intervals are notably different between those of neutral and polar lipids...
September 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926949/influence-of-freeze-drying-and-oven-drying-post-blanching-on-the-nutrient-composition-of-the-edible-insect-ruspolia-differens
#20
Forkwa Tengweh Fombong, Mik Van Der Borght, Jozef Vanden Broeck
The longhorn grasshopper, Ruspolia differens (Serville), plays an important role as a food source across Sub-Saharan Africa, where it is consumed as a delicacy in both rural and urban areas. The effect of two drying methods (freeze-drying and oven-drying), employed after blanching, on the proximate, fatty acid and mineral composition of the two most common morphs was determined. Ruspolia differens grasshoppers were harvested in Uganda and Kenya from wild swarms during the rainy periods of November-December 2016...
September 16, 2017: Insects
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