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https://www.readbyqxmd.com/read/28329789/mediterranean-diet-supplemented-with-coenzyme-q10-modulates-the-postprandial-metabolism-of-advanced-glycation-end-products-in-elderly-men-and-women
#1
Javier Lopez-Moreno, Gracia M Quintana-Navarro, Javier Delgado-Lista, Antonio Garcia-Rios, Juan F Alcala-Diaz, Francisco Gomez-Delgado, Antonio Camargo, Pablo Perez-Martinez, Francisco J Tinahones, Gary E Striker, Francisco Perez-Jimenez, Jose M Villalba, Jose Lopez-Miranda, Elena M Yubero-Serrano
Advanced glycation end products (AGEs) and oxidative stress are elevated with aging and dysmetabolic conditions. Because a Mediterranean (Med) diet reduces oxidative stress, serum AGEs levels, and gene expression related to AGEs metabolism in healthy elderly people, we studied whether supplementation with coenzyme Q10 (CoQ) was of further benefit. Twenty participants aged ≥ 65 (10 men and 10 women) were randomly assigned to each of three isocaloric diets for successive periods of 4 weeks in a crossover design: Med diet, Med + CoQ, and a Western high-saturated-fat diet (SFA diet)...
October 21, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329340/baseline-characteristics-of-participants-in-the-aspree-aspirin-in-reducing-events-in-the-elderly-study
#2
John J McNeil, Robyn L Woods, Mark R Nelson, Anne M Murray, Christopher M Reid, Brenda Kirpach, Elsdon Storey, Raj C Shah, Rory S Wolfe, Andrew M Tonkin, Anne B Newman, Jeff D Williamson, Jessica E Lockery, Karen L Margolis, Michael E Ernst, Walter P Abhayaratna, Nigel Stocks, Sharyn M Fitzgerald, Ruth E Trevaks, Suzanne G Orchard, Lawrence J Beilin, Geoffrey A Donnan, Peter Gibbs, Colin I Johnston, Richard H Grimm
Background: There are no primary prevention trials of aspirin with relevant geriatric outcomes in elderly people. ASPirin in Reducing Events in the Elderly (ASPREE) is a placebo-controlled trial of low-dose aspirin that will determine whether 5 years of daily 100-mg enteric-coated aspirin extends disability-free and dementia-free life in a healthy elderly population and whether these benefits outweigh the risks. Methods: Set in primary care, this randomized double-blind placebo-controlled trial has a composite primary endpoint of death, incident dementia or persistent physical disability...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328534/clinical-presentation-and-treatment-response-to-diazoxide-in-two-siblings-with-congenital-hyperinsulinism-as-a-result-of-a-novel-compound-heterozygous-abcc8-missense-mutation
#3
Sonya Galcheva, Violeta Iotova, Sian Ellard, Sarah E Flanagan, Irina Halvadzhiyan, Chayka Petrova, Khalid Hussain
BACKGROUND: Congenital hyperinsulinism (CHI) can present with considerable clinical heterogeneity which may be due to differences in the underlying genetic etiology. We present two siblings with hyperinsulinaemic hypoglycaemia (HH) and marked clinical heterogeneity caused by compound heterozygosity for the same two novel ABCC8 mutations. CASE PRESENTATION: The index patient is a 3-year-old boy with hypoglycaemic episodes presenting on the first day of life. HH was diagnosed and treatment with intravenous glucose and diazoxide was initiated...
March 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28327907/a-randomized-open-label-phase-2-study-of-everolimus-in-combination-with-pasireotide-lar-or-everolimus-alone-in-advanced-well-differentiated-progressive-pancreatic-neuroendocrine-tumors-cooperate-2-trial
#4
M H Kulke, P Ruszniewski, E Van Cutsem, C Lombard-Bohas, J W Valle, W W De Herder, M Pavel, E Degtyarev, J C Brase, L Bubuteishvili-Pacaud, M Voi, R Salazar, I Borbath, N Fazio, D Smith, J Capdevila, R P Riechelmann, J C Yao
Background: Several studies have demonstrated the antitumor activity of first-generation somatostatin analogs (SSAs), primarily targeting somatostatin receptor (sstr) subtypes 2 and 5, in neuroendocrine tumors (NET). Pasireotide, a second-generation SSA, targets multiple sstr subtypes. We compared the efficacy and safety of pasireotide plus everolimus to everolimus alone in patients with advanced, well-differentiated, progressive pancreatic NET (pNET). Patients and methods: Patients were randomized 1:1 to receive a combination of everolimus (10 mg/d, orally) and pasireotide long-acting release (LAR; 60 mg/28 d, intramuscularly) or everolimus alone (10 mg/d, orally); stratified by prior SSA use, and baseline serum chromogranin A and neuron-specific enolase...
March 6, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327563/health-benefits-and-consequences-of-the-eastern-orthodox-fasting-in-monks-of-mount-athos-a-cross-sectional-study
#5
S N Karras, A Persynaki, A Petróczi, E Barkans, H Mulrooney, M Kypraiou, T Tzotzas, K Tziomalos, K Kotsa, A A Tsioudas, C Pichard, D P Naughton
BACKGROUND/OBJECTIVES: Greek Orthodox fasting (OF), which involves 180-200 days of fasting per year, is dictated by the Christian Orthodox religion. For the first time, this cross-sectional study examines the characteristics and the effects of OF on anthropometry, cardiometabolic markers and calcium homeostasis in Athonian monks (AMs). SUBJECTS/METHODS: Daily intakes of energy, macro- and micronutrients of a day during a weekend of Nativity Fast, defined as non-restrictive day (NRD), and a weekday during Great Lent, labeled as restrictive day (RD) were recorded...
March 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28327464/monte-carlo-simulations-of-time-of-flight-pet-with-double-ended-readout-calibration-coincidence-resolving-times-and-statistical-lower-bounds
#6
Stephen E Derenzo
This paper demonstrates through Monte Carlo simulations that a practical positron emission tomograph with (1) deep scintillators for efficient detection, (2) double-ended readout for depth-of-interaction information, (3) fixed-level analog triggering, and (4) accurate calibration and timing data corrections can achieve a coincidence resolving time (CRT) that is not far above the statistical lower bound. One Monte Carlo algorithm simulates a calibration procedure that uses data from a positron point source. Annihilation events with an interaction near the entrance surface of one scintillator are selected, and data from the two photodetectors on the other scintillator provide depth-dependent timing corrections...
March 22, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28327432/feedback-from-arctic-charr-feed-flavour-stimulation-and-re-feeding-after-feed-deprivation-stimulate-genes-encoding-both-orexigenic-and-anorexigenic-neuropeptides
#7
Anja Striberny, Even H Jørgensen
Despite vast research attention, the knowledge about central mechanisms of appetite regulation in teleost remains inconclusive. A common strategy in studies on appetite regulating mechanisms is to measure the response to feed restriction or - deprivation, but responses vary between fish species and between experiments, and are also likely dependent on the degree of energy perturbation. The anadromous Arctic charr is an interesting model for studying appetite regulation as its feeding cycle comprises months of winter anorexia, and hyperphagia during summer...
March 18, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28326760/microscopic-evaluation-of-electrical-and-thermal-conduction-in-random-metal-wire-networks
#8
Ritu Gupta, Ankush Kumar, Sridhar Sadasivam, Sunil Walia, Giridhar U Kulkarni, Timothy S Fisher, Amy M Marconnet
Ideally, transparent heaters exhibit uniform temperature, fast response time, high achievable temperatures, low operating voltage, stability across a range of temperatures, and high optical transmittance. For metal network heaters, unlike for uniform thin film heaters, all of these parameters are directly or indirectly related to the network geometry.In the past, at equilibrium, the temperature distributions within metal networks have primarily been studied using either a physical temperature probe or direct infrared thermography, but there are limits to the spatial resolution of these cameras and probes and thus only average regional temperatures have typically been measured...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28325911/theoretical-and-computational-validation-of-the-kuhn-barrier-friction-mechanism-in-unfolded-proteins
#9
Stanislav M Avdoshenko, Atanu Das, Rohit Satija, Garegin A Papoian, Dmitrii E Makarov
A long time ago, Kuhn predicted that long polymers should approach a limit where their global motion is controlled by solvent friction alone, with ruggedness of their energy landscapes having no consequences for their dynamics. In contrast, internal friction effects are important for polymers of modest length. Internal friction in proteins, in particular, affects how fast they fold or find their binding targets and, as such, has attracted much recent attention. Here we explore the molecular origins of internal friction in unfolded proteins using atomistic simulations, coarse-grained models and analytic theory...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325852/extended-multiplexing-of-tmt-labeling-reveals-age-and-high-fat-diet-specific-proteome-changes-in-mouse-epididymal-adipose-tissue
#10
Deanna L Plubell, Phillip A Wilmarth, Yuqi Zhao, Alexandra M Fenton, Jessica Minnier, Ashok P Reddy, John Klimek, Xia Yang, Larry L David, Nathalie Pamir
The lack of high-throughput methods to analyze the adipose tissue protein composition limits our understanding of the protein networks responsible for age and diet related metabolic response. We have developed an approach using multiple-dimension liquid chromatography tandem mass spectrometry and extended multiplexing (24 biological samples) with TMT labeling to analyze proteomes of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short or a long-term, and from mice that aged on low vs...
March 21, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28325008/feasibility-of-an-ultra-low-power-digital-signal-processor-platform-as-a-basis-for-a-fully-implantable-brain-computer-interface-system
#11
Po T Wang, Keulanna Gandasetiawan, Colin M McCrimmon, Alireza Karimi-Bidhendi, Charles Y Liu, Payam Heydari, Zoran Nenadic, An H Do
A fully implantable brain-computer interface (BCI) can be a practical tool to restore independence to those affected by spinal cord injury. We envision that such a BCI system will invasively acquire brain signals (e.g. electrocorticogram) and translate them into control commands for external prostheses. The feasibility of such a system was tested by implementing its benchtop analogue, centered around a commercial, ultra-low power (ULP) digital signal processor (DSP, TMS320C5517, Texas Instruments). A suite of signal processing and BCI algorithms, including (de)multiplexing, Fast Fourier Transform, power spectral density, principal component analysis, linear discriminant analysis, Bayes rule, and finite state machine was implemented and tested in the DSP...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324031/sex-steroid-hormones-and-fracture-in-a-multi-ethnic-cohort-of-women-the-women-s-health-initiative-study-whi
#12
Jane A Cauley, Michelle E Danielson, Guru Rajesh Jammy, Doug C Bauer, Rebecca Jackson, Jean Wactawski-Wende, Rowan T Chlebowski, Kristine E Ensrud, Robert Boudreau
CONTEXT: We hypothesize that endogenous sex steroids are associated with fracture risk independent of race/ethnicity. DESIGN AND SETTING: We performed a nested case-control study within the prospective Women's Health Initiative Observational Study (WHI-OS). Incident non-spine fractures were identified in 381 Black, 192 Hispanic, 112 Asian, and 46 Native American women over an average of 8.6 years. A random sample of 400 White women who experienced an incident fracture was chosen...
January 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323999/metabolically-healthy-obesity-and-ischemic-heart-disease-a-10-year-follow-up-of-the-inter99-study
#13
Louise Hansen, Marie K Netterstrøm, Nanna B Johansen, Pernille F Rønn, Dorte Vistisen, Lise Ln Husemoen, Marit E Jørgensen, Naja H Rod, Kristine Færch
Context: Recent studies have suggested that a subgroup of obese individuals is not at increased risk of obesity-related complications. This subgroup has been referred to as metabolically healthy obese. Objective: To investigate whether obesity is a risk factor for development of ischemic heart disease (IHD) irrespective of metabolic health. Design: 6,238 men and women from the Danish prospective Inter99 study were followed during 10.6 (SD 1...
March 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323972/neurosecretory-protein-gl-a-hypothalamic-small-secretory-protein-participates-in-energy-homeostasis-in-male-mice
#14
Daichi Matsuura, Kenshiro Shikano, Takaya Saito, Eiko Iwakoshi-Ukena, Megumi Furumitsu, Yuta Ochi, Manami Sato, George E Bentley, Lance J Kriegsfeld, Kazuyoshi Ukena
We have recently identified a novel cDNA encoding a small secretory protein termed neurosecretory protein GL (NPGL) from the avian hypothalamus. In chicks, NPGL increases body weight gain without affecting food intake. A database search reveals that NPGL is conserved throughout vertebrates. However, the central distribution and functional role of NPGL remains to be elucidated in mammals. In this study, we identified the precursor cDNA encoding NPGL from the mouse hypothalamus. Quantitative RT-PCR and morphological analyses revealed that NPGL precursor mRNA is robustly expressed in the mediobasal hypothalamus with NPGL neurons specifically localized to the lateroposterior part of the arcuate nucleus in the hypothalamus...
March 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323940/thyroid-signaling-insulin-resistance-and-type-2-diabetes-mellitus-a-mendelian-randomization-study
#15
Maxime M Bos, Roelof Aj Smit, Stella Trompet, Diana van Heemst, Raymond Noordam
CONTEXT: Increasing evidence suggests an association between thyroid stimulating hormone (TSH), free thyroxine (fT4) and deiodinases with insulin resistance and type 2 diabetes mellitus (T2D). OBJECTIVE: We examined whether TSH and fT4 levels and deiodinases are causally associated with insulin resistance and T2D using Mendelian randomization (MR). METHODS: We selected twenty genetic variants for TSH level and four for fT4 level (identified in a GWAS meta-analysis of European-ancestry cohorts) as instrumental variables for TSH and fT4 level, respectively...
March 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323889/towards-a-critical-evaluation-of-an-empirical-and-volume-based-solvation-function-for-ligand-docking
#16
Heloisa S Muniz, Alessandro S Nascimento
Molecular docking is an important tool for the discovery of new biologically active molecules given that the receptor structure is known. An excellent environment for the development of new methods and improvement of the current methods is being provided by the rapid growth in the number of proteins with known structure. The evaluation of the solvation energies outstands among the challenges for the modeling of the receptor-ligand interactions, especially in the context of molecular docking where a fast, though accurate, evaluation is ought to be achieved...
2017: PloS One
https://www.readbyqxmd.com/read/28323218/the-postural-control-can-be-optimized-by-the-first-movement-initiation-condition-encountered-when-submitted-to-muscle-fatigue
#17
Florian Monjo, Nicolas Forestier
We investigated whether and how the movement initiation condition (IC) encountered during the early movements performed following focal muscle fatigue affects the postural control of discrete ballistic movements. For this purpose, subjects performed shoulder flexions in a standing posture at maximal velocity under two movement IC, i.e., in self-paced conditions and submitted to a Stroop-like task in which participants had to trigger fast shoulder flexions at the presentation of incongruent colors. Shoulder flexion kinematics, surface muscle activity of focal and postural muscles as well as center-of-pressure kinematics were recorded...
March 18, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28322496/comparison-of-hydrodynamically-closed-two-dimensional-capillary-electrophoresis-coupled-with-ultraviolet-detection-and-hydrodynamically-open-capillary-electrophoresis-hyphenated-with-mass-spectrometry-in-the-bioanalysis-of-varenicline
#18
Juraj Piešťanský, Katarína Maráková, Jaroslav Galba, Andrej Kováč, Peter Mikuš
Two capillary electrophoresis methods for monitoring renally excreted varenicline, a highly effective drug prescribed for smoking cessation, in human urine were developed and compared. A method combining capillary electrophoresis with mass spectrometry was proposed for the fast analysis of varenicline (analysis time up to 7 min). Here, mass spectrometry was a prerequisite for achieving high sensitivity and selectivity of the analysis suitable for the quantification of a 15 ng.mL(-1) level of varenicline in un-pretreated urine matrices...
March 21, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28321889/antihyperglycaemic-activity-of-the-methanol-extract-from-leaves-of-eremophila-maculata-scrophulariaceae-in-streptozotocin-induced-diabetic-rats
#19
Fadia S Youssef, Mohamed L Ashour, Sherif S Ebada, Mansour Sobeh, Hesham A El-Beshbishy, Abdel Nasser Singab, Michael Wink
OBJECTIVES: This study was designed to evaluate the antihyperglycaemic activity of the methanol leaf extract of Eremophila maculata (EMM) both in vitro and in vivo. METHODS: The antihyperglycaemic activity was assessed in vitro using differentiated 3T3-L1 adipocytes, whereas in-vivo effect was evaluated in streptozotocin-induced diabetic rats. Chemical profiling of EMM was done using LC-ESI-MS techniques. Molecular modelling experiments of the identified compounds were performed using C-Docker protocol...
March 21, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28320886/optogenetic-module-for-dichromatic-control-of-c-di-gmp-signaling
#20
Min-Hyung Ryu, Anastasia Fomicheva, Oleg V Moskvin, Mark Gomelsky
Many aspects of bacterial physiology and behavior including motility, surface attachment, and cell cycle, are controlled by the c-di-GMP-dependent signaling pathways on the scale of seconds-to-minutes. Interrogation of such processes in real time requires tools for introducing rapid and reversible changes in intracellular c-di-GMP levels. Inducing expression of genes encoding c-di-GMP synthetic (diguanylate cyclases) and degrading (c-di-GMP phosphodiesterase) enzymes by chemicals may not provide adequate temporal control...
March 20, 2017: Journal of Bacteriology
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