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https://www.readbyqxmd.com/read/29786428/electrochemical-impedance-spectroscopy-for-real-time-detection-of-lipid-membrane-damage-based-on-a-porous-self-assembly-monolayer-support
#1
Meng Zhang, Qingyu Zhai, Liping Wan, Li Chen, Yu Peng, Chunyan Deng, Juan Xiang, Jiawei Yan
Layer-by-layer dissolution and permeable pore formation are two typical membrane damage pathways, which induce membrane function disorder and result in serious disease, such as Alzheimer's disease, Keshan disease, Sickle-cell disease and so on. To effectively distinguish and sensitively monitor these two typical membrane damage pathways, a facile electrochemical impedance strategy was developed on a porous self-assembly monolayer (pSAM) supported bilayer lipid membrane (BLM). The pSAM was prepared by selectively electrochemical reductive desorption of the mercaptopropionic acid in a mixed mercaptopropionic acid/11-mercaptoundecanoic acid self-assembled monolayer, which created plenty of nanopores with tens of nanometers in diameter and several nanometers in height (defined as inner-pores)...
May 22, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29785272/abdominal-obesity-in-type-1-diabetes-associated-with-gender-cardiovascular-risk-factors-and-complications-and-difficulties-achieving-treatment-targets-a-cross-sectional-study-at-a-secondary-care-diabetes-clinic
#2
Eva O Melin, Hans O Thulesius, Magnus Hillman, Mona Landin-Olsson, Maria Thunander
Background: Abdominal obesity is linked to cardiovascular diseases in type 1 diabetes (T1D). The primary aim was to explore associations between abdominal obesity and cardiovascular complications, metabolic and inflammatory factors. The secondary aim was to explore whether achieved recommended treatment targets differed between the obese and non-obese participants. Methods: Cross sectional study of 284 T1D patients (age 18-59 years, men 56%), consecutively recruited from one secondary care specialist diabetes clinic in Sweden...
2018: BMC Obesity
https://www.readbyqxmd.com/read/29784300/changes-in-the-fatty-acid-composition-in-bitter-lupinus-species-depend-on-the-debittering-process
#3
Carolina A Curti, Ramiro N Curti, Norberto Bonini, Adriana N Ramón
The evaluation of changes in the fatty acid composition in Lupinus species after the debittering process is crucial to determine their nutritional implications. The aim of this study was to evaluate changes in the fatty acid composition in Lupinus albus and L. mutabilis after the debittering process. Lupinus species showed different fatty acid compositions which changed depending on the debittering process applied. The debittering process changed the monounsaturated and polyunsaturated fatty acids in L. albus, whereas in L...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29782548/dyslipidemia-among-rural-and-urban-hiv-patients-in-south-east-malawi
#4
Alemayehu Amberbir, Victor Singano, Alfred Matengeni, Zahra Ismail, Gift Kawalazira, Adrienne K Chan, Sumeet D Sodhi, Joep J van Oosterhout
BACKGROUND: While dyslipidemia importantly contributes to increased cardiovascular disease risk among patients on antiretroviral therapy (ART), data on lipid patterns among African adults on ART are limited. We describe the prevalence of lipid abnormalities and associated factors in two HIV clinics in Malawi. METHODS: We conducted a cross-sectional study in 2014 and enrolled adult patients at a rural and an urban HIV clinic in Zomba district, Malawi. We recorded patient characteristics, CVD risk factors and anthropometric measurements, using the WHO STEPS validated instrument...
2018: PloS One
https://www.readbyqxmd.com/read/29782179/early-intravascular-events-are-associated-with-development-of-ards
#5
Raja-Elie E Abdulnour, Tina Gunderson, Ioanna Barkas, Jack Y Timmons, Cindy Barnig, Michelle Gong, Daryl J Kor, Ognjen Gajic, Daniel Talmor, Rickey E Carter, Bruce D Levy
RATIONALE: The acute respiratory distress syndrome (ARDS) is a devastating illness with limited therapeutic options. A better understanding of early biochemical and immunological events in ARDS could inform the development of new preventive and treatment strategies. OBJECTIVE: To determine select peripheral blood lipid mediator and leukocyte responses in patients at-risk for ARDS. METHODS: Patients at risk for ARDS were randomized as part of a multicenter, double-blind clinical trial of aspirin versus placebo (LIPS-A; NCT01504867)...
May 21, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29779870/central-adiposity-markers-plasma-lipid-profile-and-cardiometabolic-risk-prediction-in-overweight-obese-individuals
#6
Rocco Barazzoni, Gianluca Gortan Cappellari, Annamaria Semolic, Mario Ius, Michela Zanetti, Antonio Gabrielli, Pierandrea Vinci, Gianfranco Guarnieri, Giorgio Simon
BACKGROUND: Waist circumference (WC) is the currently recommended marker of central fat for cardiometabolic risk screening. Alternative surrogate markers have been recently proposed to better reflect the metabolic impact of central fat accumulation per se, based on WC normalization by height (Weight-to-Height Ratio - WtoH; Body Roundness Index - BRI) or body mass index (BMI) without (A Body Shape Index - ABSI) or with inclusion of plasma triglyceride and HDL-cholesterol concentrations (Visceral Adiposity Index - VAI)...
May 8, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29779826/the-bckdh-kinase-and-phosphatase-integrate-bcaa-and-lipid-metabolism-via-regulation-of-atp-citrate-lyase
#7
Phillip J White, Robert W McGarrah, Paul A Grimsrud, Shih-Chia Tso, Wen-Hsuan Yang, Jonathan M Haldeman, Thomas Grenier-Larouche, Jie An, Amanda L Lapworth, Inna Astapova, Sarah A Hannou, Tabitha George, Michelle Arlotto, Lyra B Olson, Michelle Lai, Guo-Fang Zhang, Olga Ilkayeva, Mark A Herman, R Max Wynn, David T Chuang, Christopher B Newgard
Branched-chain amino acids (BCAA) are strongly associated with dysregulated glucose and lipid metabolism, but the underlying mechanisms are poorly understood. We report that inhibition of the kinase (BDK) or overexpression of the phosphatase (PPM1K) that regulates branched-chain ketoacid dehydrogenase (BCKDH), the committed step of BCAA catabolism, lowers circulating BCAA, reduces hepatic steatosis, and improves glucose tolerance in the absence of weight loss in Zucker fatty rats. Phosphoproteomics analysis identified ATP-citrate lyase (ACL) as an alternate substrate of BDK and PPM1K...
May 11, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29779698/patients-with-concurrent-tuberculosis-and-diabetes-have-a-pro-atherogenic-plasma-lipid-profile
#8
Frank Vrieling, Katharina Ronacher, Léanie Kleynhans, Erik van den Akker, Gerhard Walzl, Tom H M Ottenhoff, Simone A Joosten
BACKGROUND: Type 2 diabetes mellitus (DM) is a major risk factor for development of tuberculosis (TB), however the underlying molecular foundations are unclear. Since lipids play a central role in the development of both DM and TB, lipid metabolism may be important for TB-DM pathophysiology. METHODS: A 1 H NMR spectroscopy-based platform was used to determine 225 lipid and other metabolic intermediates in plasma samples of healthy controls (n = 50) and patients with TB (n = 50), DM (n = 50) or TB-DM (n = 27)...
May 17, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29779054/dietary-modifications-and-lipid-accumulation-product-are-associated-with-systolic-and-diastolic-blood-pressures-in-the-women-s-health-trial-feasibility-study-in-minority-populations
#9
REVIEW
Alok Bhargava
PURPOSE OF REVIEW: Approximately 65% of adults over 60 years in the USA are hypertensive. Poor dietary habits and sedentary lifestyles are fueling the hypertension epidemic. The effects of higher intakes of fruits and vegetables and whole-grain products on systolic and diastolic blood pressures were analyzed using data at baseline, 6 months, and 12 months on 349 and 573 subjects, respectively, in the control and intervention groups of the Women's Health Trial: Feasibility Study in Minority Populations...
May 19, 2018: Current Hypertension Reports
https://www.readbyqxmd.com/read/29778943/prognostic-significance-of-serum-cystatin-c-in-acute-ischemic-stroke-patients-according-to-lipid-component-levels
#10
Zhengbao Zhu, Chongke Zhong, Tian Xu, Aili Wang, Yanbo Peng, Tan Xu, Hao Peng, Chung-Shiuan Chen, Jinchao Wang, Qunwei Li, Deqin Geng, Yingxian Sun, Yongqiu Li, Yonghong Zhang, Jiang He
BACKGROUND AND AIMS: Serum cystatin C (CysC) is associated with the risk of ischemic stroke and may predict cardiovascular events and death after ischemic stroke onset. However, the association between serum CysC and functional outcome in ischemic stroke patients remains unclear, and whether lipid component level influences the relationship between them has not been studied. METHODS: A total of 3348 ischemic patients from China Antihypertensive Trial in Acute Ischemic Stroke were included in the study...
May 17, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29778463/urinary-8-isoprostane-levels-and-occurrence-of-lung-colorectal-prostate-breast-and-overall-cancer-results-from-a-large-population-based-cohort-study-with-14-years-of-follow-up
#11
Xīn Gào, Hermann Brenner, Bernd Holleczek, Katarina Cuk, Yan Zhang, Ankita Anusruti, Yang Xuan, Yiwei Xu, Ben Schöttker
BACKGROUND: Urinary 8-isoprostane is an established biomarker for lipid peroxidation. However, the association between its pre-diagnostic levels and cancer incidence has rarely been evaluated. METHODS: 8,793 older adults from the German ESTHER cohort were followed up for cancer incidence by cancer registry data. A directed acyclic graph was utilized to identify potential confounders. Multivariate Cox regression models were applied to estimate hazard ratios (HRs) and 95% confidence intervals (95% CI)...
May 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29777433/are-pcsk9-inhibitors-cost-effective
#12
Max J Korman, Kjetil Retterstøl, Ivar Sønbø Kristiansen, Torbjørn Wisløff
The objective of this study was to review available health economic evaluations of PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitors. These drugs reduce low-density lipid cholesterol levels and cardiovascular risk, but their cost effectiveness has been questioned. We searched Medline and Embase for economic evaluations in any language at any time. Studies were included if they analysed any PCSK9 inhibitor compared with either statin alone or in combination with ezetimibe or any other therapy considered standard prior to the introduction of PCSK9 inhibitors...
May 18, 2018: PharmacoEconomics
https://www.readbyqxmd.com/read/29777226/genetic-contribution-to-waist-to-hip-ratio-in-mexican-children-and-adolescents-based-on-12-loci-validated-in-european-adults
#13
Michelle Turcotte, Arkan Abadi, Jesus Peralta-Romero, Fernando Suarez, Hudson Reddon, Jaime Gomez-Zamudio, Ana I Burguete-Garcia, Miguel Cruz, David Meyre
BACKGROUND/OBJECTIVES: The prevalence of abdominal obesity in Mexican children has risen dramatically in the past decade. Genome-wide association studies (GWAS) for waist-to-hip ratio (WHR) performed predominantly in European descent adult  populations have identified multiple single-nucleotide polymorphisms (SNPs) with larger effects in women. The contribution of these SNPs to WHR in non-European children is unknown. SUBJECTS/METHODS: Mexican children and adolescents (N = 1421, 5-17 years) were recruited in Mexico City...
March 13, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29776647/-effect-of-green-alga-ulva-lactuca-polysaccharides-supplementation-on-blood-pressure-and-on-atherogenic-risk-factors-in-rats-fed-a-high-fat-diet
#14
Z I Tair, F Bensalah, F Boukortt
AIM OF THE STUDY: To highlight the benefits of green alga Ulva lactuca polysaccharides supplementation on blood pressure and atherogenic risk factors in rats fed a high fat diet. METHODS: Wistar male rats were fed a high fat diet (30% sheep fat) for 3 months. At an average body weight (BW) of 360g, the rats (n=18) were divided into 3 groups and consumed, for 28 days, either a high fat diet (HFD) or a high fat diet enriched with 1% of whole green algae (WGA) powder or with 1% of its polysaccharides (PLS)...
May 15, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29776421/evidence-for-a-hyper-reductive-redox-in-a-sub-set-of-heart-failure-patients
#15
Thiagarajan Sairam, Amit N Patel, Meenu Subrahmanian, Rajendiran Gopalan, Steven M Pogwizd, Sudha Ramalingam, Ramalingam Sankaran, Namakkal Soorapan Rajasekaran
BACKGROUND: Oxidative stress has been linked to heart failure (HF) in humans. Antioxidant-based treatments are often ineffective. Therefore, we hypothesize that some of the HF patients might have a reductive stress (RS) condition. Investigating RS-related mechanisms will aid in personalized optimization of redox homeostasis for better outcomes among HF patients. METHODS: Blood samples were collected from HF patients (n = 54) and healthy controls (n = 42) and serum was immediately preserved in - 80 °C for redox analysis...
May 18, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29776362/apolipoprotein-b-apolipoprotein-a1-ratio-and-mortality-among-incident-peritoneal-dialysis-patients
#16
Xiaojiang Zhan, Yanbing Chen, Caixia Yan, Siyi Liu, Lijuan Deng, Yuting Yang, Panlin Qiu, Dan Pan, Bingxiang Zeng, Qinkai Chen
BACKGROUND: To investigate the association between the ratio of apolipoprotein B (apo B) / apolipoprotein A1 (apo A1) with all-cause mortality and cardiovascular events in peritoneal dialysis (PD) patients. METHODS: Eight hundred and sixty incident PD patients were enrolled from November 1, 2005, to February 28, 2017, and followed until May 31, 2017. Outcomes were all-cause mortality and cardiovascular events. Associations between the apo B/apo A1 ratio with all-cause mortality and cardiovascular events were evaluated using multivariable-adjusted Cox models...
May 17, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29775717/temozolomide-loaded-nano-lipid-based-chitosan-hydrogel-for-nose-to-brain-delivery-characterization-nasal-absorption-histopathology-and-cell-line-study
#17
Anam Khan, Mohd Aqil, Syed Sarim Imam, Abdul Ahad, Yasmin Sultana, Asgar Ali, Khalid Khan
The present study was designed to develop and optimize Temozolomide nano lipid chitosan gel delivery (TMZNLCHG) to target the brain through nasal route. The formulation was developed using chitosan as a gelling agent and Vit E: gelucire 44/14 blend as lipid. The formulations were evaluated for particle size, drug loading, morphology, drug release, nasal diffusion, cell line study, and histopathology study. The average particle size, PDI, %EE, loading, drug release, and % permeation were found to be 134 nm, 0...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775655/confocal-raman-microspectroscopy-as-an-alternative-to-differential-scanning-calorimetry-to-detect-the-impact-of-emulsifiers-and-formulations-on-stratum-corneum-lipid-conformation
#18
Ziwei Zhang, Dominique Jasmin Lunter
The purpose of this study was to investigate the impact of emulsifiers and formulations on stratum corneum (SC) lipid conformation and evaluate confocal Raman microspectroscopy (CRM) as an alternative method to differential scanning calorimetry (DSC) in this research context. To this end, four different formulations were used: three conventional creams that contained ionic and/or non-ionic emulsifiers and one surfactants-free emulsion stabilized by a polymeric emulsifier. Additionally, all emulsifiers were tested in aqueous solutions/dispersions in the respective concentrations as present in the formulations...
May 15, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29775616/amelioration-of-uvb-induced-oxidative-stress-and-inflammation-in-fat-1-transgenic-mouse-skin
#19
Hye-Won Yum, Seong Hoon Kim, Jing X Kang, Young-Joon Surh
ω-3 polyunsaturated fatty acids (PUFAs), which are abundant in some fish oils, are known to scavenge lipid peroxyl radicals and increase host immunoresponsiveness. As UVB-induced oxidative stress and inflammation have been implicated in apoptotic cell death, this study was designed to investigate the anti-inflammatory, anti-oxidative, and anti-apoptotic capacity of fat-1 transgenic mice capable of converting ω-6 to ω-3 PUFAs. Wild-type (WT) C57BL/6 mice and fat-1 mice were maintained on the AIN-93 diet supplemented with 10% safflower oil rich in ω-6 PUFAs for 5 weeks...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29773670/high-%C3%AE-tocopherol-dosing-increases-lipid-metabolism-by-changing-redox-state-in-damaged-rat-gastric-mucosa-and-liver-after-ethanol-treatment
#20
Marisela Olguín-Martínez, Diego R Hernández-Espinosa, Rolando Hernández-Muñoz
Regeneration of ethanol-injured rat gastric mucosa must undergo changes in major metabolic pathways to achieve DNA replication and cell proliferation. These events are highly dependent on glucose utilization and inhibited by vitamin E (α-tocopherol) administration. Therefore, this study was aimed at assessing lipid metabolism in the gastric mucosa and ethanol-induced gastric damage and the effect of α-tocopherol administration. For this, rates of fatty acid β-oxidation and lipogenesis were tested in gastric mucosa samples...
May 17, 2018: Clinical Science (1979-)
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