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https://www.readbyqxmd.com/read/29024954/physical-activity-a-primary-health-quality-determinant-among-community-dwelling-geriatric-women-in-taiwan
#1
Ching Hwa Hsu, Heng-Hsin Tung, Daniel L Clinciu, Liang-Kung Chen, Wei-Hsian Yin, Usman Iqbal, Tsae-Jyy Wang
Objective: To investigate the associations between frailty, physical activity and depression in community-dwelling geriatric women. Design: A cross-sectional research design. Setting: Community geriatric women in Illan County, Taiwan. Study participants: Of note 216 participants, 65 years and older with full mobility, independent and able to communicate in Mandarin or Taiwanese Hokkien. Main Outcome Measures: An average weekly physical activity score International Physical Activity Questionnaire-Short Form (IPAQ-SF) and Taiwan Geriatric Depression Scale...
August 19, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/29024496/higher-levels-of-cystatin-c-in-hiv-aids-patients-with-metabolic-syndrome
#2
Gordana Dragović, Danica Srdić, Khawla Al Musalhi, Ivan Soldatović, Jovana Kušić, Djordje Jevtović, Devaki Nair
Data about Cystatin-C levels in HIV-infected patients with metabolic syndrome (MetS) are still limited. Therefore, the aim of this study was to evaluate the possible correlations of serum levels of Cystatin-C in HIV/AIDS patients treated with combined antiretroviral therapy (cART) with or without MetS. This cross-sectional study included 89 HIV/AIDS Caucasian patients receiving cART at the HIV/AIDS Centre Belgrade, Serbia, divided into two groups according to the presence of MetS. Cystatin-C and other biochemical parameters were measured using Cytokine-Array-I, Metabolic-Array-I and Metabolic-Array-II, at the Department of Clinical Biochemistry, Royal Free Hospital and University College London, United Kingdom...
October 11, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28978797/antiinflammatory-effects-of-aprepitant-coadministration-with-cart-regimen-containing-ritonavir-in-hiv-infected-adults
#3
Sergei Spitsin, Pablo Tebas, Jeffrey S Barrett, Vasiliki Pappa, Deborah Kim, Deanne Taylor, Dwight L Evans, Steven D Douglas
BACKGROUND: HIV-infected individuals, even well controlled with combined antiretroviral therapy (cART), have systemic inflammation and comorbidities. Substance P (SP) is an undecapeptide, which mediates neurotransmission and inflammation through its cognate neurokinin 1 receptor (NK1R). Plasma SP levels are elevated in HIV-infected individuals. The FDA-approved antiemetic aprepitant, an NK1R antagonist, has anti-HIV effects and antiinflammatory actions. We evaluated the safety, pharmacokinetics, and antiinflammatory properties of aprepitant in HIV-positive individuals receiving cART...
October 5, 2017: JCI Insight
https://www.readbyqxmd.com/read/28938405/short-term-high-fat-diet-increases-leptin-activation-of-cart-neurons-and-advances-puberty-in-female-mice
#4
Jade Cabestre Venancio, Lisandra Oliveira Margatho, Rodrigo C Rorato, Roberta Ribeiro Costa Rosales, Lucas Kniess Debarba, Ricardo Coletti, Jose Antunes-Rodrigues, Carol F Elias, Lucila Leico K Elias
Leptin is a permissive factor for puberty initiation, participating as a metabolic cue in the activation of the kisspeptin (Kiss1)-gonadotropin-releasing hormone neuronal circuitry however, it has no direct effect on Kiss1 neurons. Leptin acts on hypothalamic CART neurons, participating in the regulation of energy homeostasis. We investigated the influence of a short-term high-fat diet (HFD) on the effect of leptin on puberty timing. Kiss1-hrGFP female mice received a HFD or regular diet (RD) after weaning at postnatal day 21 (PN21) and were studied at PN28 and PN32...
September 4, 2017: Endocrinology
https://www.readbyqxmd.com/read/28924987/influence-of-a-gas-exchange-correction-procedure-on-resting-metabolic-rate-and-respiratory-quotient-in-humans
#5
Jose E Galgani, Mauricio A Castro-Sepulveda
OBJECTIVE: The aim of this study was to determine the influence of a gas exchange correction protocol on resting metabolic rate (RMR) and respiratory quotient (RQ), assessed by a Vmax Encore 29n metabolic cart (SensorMedics Co., Yorba Linda, California) in overnight fasted and fed humans, and to assess the predictive power of body size for corrected and uncorrected RMR. METHODS: Healthy participants (23 M/29 F; 34 ± 9 years old; 26.3 ± 3.7 kg/m(2) ) ingested two 3-hour-apart glucose loads (75 g)...
September 19, 2017: Obesity
https://www.readbyqxmd.com/read/28912658/a-systematic-method-to-detect-the-metabolic-threshold-from-gas-exchange-during-incremental-exercise
#6
Brett A Dolezal, Thomas W Storer, Eric V Neufeld, Stephanie Smooke, Chi-Hong Tseng, Christopher B Cooper
Incremental exercise consists of three domains of exercise intensity demarcated by two thresholds. The first of these thresholds, derived from gas exchange measurements, is defined as the metabolic threshold (V̇O2θ) above which lactate accumulates. Correctly and reliably identified, V̇O2θ is a non-invasive, sub-maximal marker of aerobic function with practical value. This investigation compared variability in selection of V̇O2θ among interpreters with different levels of experience as well as from auto-detection algorithms employed by a commercially available metabolic cart (MC)...
September 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28889722/effects-of-central-fibroblast-growth-factor-21-fgf21-in-energy-balance
#7
L Recinella, S Leone, C Ferrante, A Chiavaroli, C Di Nisio, S Martinotti, M Vacca, L Brunetti, G Orlando
Fibroblast growth factor 21 (FGF21) is known as a major metabolic regulator of glucose and lipid homeostasis. Continuous intracerebroventricular (i.c.v.) administration of FGF21 was found to modulate feeding and energy expenditure in rats with diet-induced obesity, suggesting a central effect by the peptide. In this context, in the present work, we studied the effects of a single central FGF21 administration (0.5-5 µg) on feeding and energy expenditure by evaluating locomotor activity, interscapular brown adipose tissue (BAT) weight, gene expression of uncoupling protein-1 (UCP-1) in BAT and plasma norepinephrine (NE) levels in Sprague-Dawley fed rats...
September 11, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28871162/cervical-nodal-volume-for-prognostication-and-risk-stratification-of-patients-with-nasopharyngeal-carcinoma-and-implications-on-the-tnm-staging-system
#8
Hui Yuan, Qi-Yong Ai, Dora Lai-Wan Kwong, Daniel Yee-Tak Fong, Ann D King, Varut Vardhanabhuti, Victor Ho-Fun Lee, Pek-Lan Khong
We aim to evaluate the quantitative parameters of (18)F-FDG PET/CT (metabolic parameters) and MRI (morphologic parameters) for prognostication and risk stratification in nasopharyngeal carcinoma (NPC). 200 (147 males, aged 50 ± 13 years-old, mean ± S.D.) newly diagnosed patients with NPC (TxNxM0) were prospectively recruited. Primary tumor and nodal lesions were identified and segmented for both morphologic (volume, VOL) and metabolic (SUV and MTV) quantification. Independent predictive factors for recurrence free survival (RFS) and overall survival (OS) were morphologic nodal volume (VOL_N, p < 0...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28865281/design-strategies-in-the-prodrugs-of-hiv-1-protease-inhibitors-to-improve-the-pharmaceutical-properties
#9
REVIEW
Murugaiah A M Subbaiah, Nicholas A Meanwell, John F Kadow
Combination antiretroviral therapy (cART) is currently the most effective treatment for HIV-1 infection. HIV-1 protease inhibitors (PIs) are an important component of some regimens of cART. However, PIs are known for sub-optimal ADME properties, resulting in poor oral bioavailability. This often necessitates high drug doses, combination with pharmacokinetic enhancers and/or special formulations in order to effectively deliver PIs, which may lead to a high pill burden and reduced patient compliance. As a remedy, improving the ADME properties of existing drugs via prodrug and other approaches has been pursued in addition to the development of next generation PIs with improved pharmacokinetic, resistance and side effect profiles...
October 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28854263/assessment-of-metabolic-and-mitochondrial-dynamics-in-cd4-and-cd8-t-cells-in-virologically-suppressed-hiv-positive-individuals-on-combination-antiretroviral-therapy
#10
Jesse J R Masson, Andrew J Murphy, Man K S Lee, Matias Ostrowski, Suzanne M Crowe, Clovis S Palmer
Metabolism plays a fundamental role in supporting the growth, proliferation and effector functions of T cells. We investigated the impact of HIV infection on key processes that regulate glucose uptake and mitochondrial biogenesis in subpopulations of CD4+ and CD8+ T cells from 18 virologically-suppressed HIV-positive individuals on combination antiretroviral therapy (cART; median CD4+ cell count: 728 cells/μl) and 13 HIV seronegative controls. Mitochondrial membrane potential (MMP) and reactive oxygen species (ROS) production were also analysed in total CD4+ and CD8+ T cells...
2017: PloS One
https://www.readbyqxmd.com/read/28826698/reliability-of-resting-metabolic-rate-measurements-in-young-adults-impact-of-methods-for-data-analysis
#11
Guillermo Sanchez-Delgado, Juan M A Alcantara, Lourdes Ortiz-Alvarez, Huiwen Xu, Borja Martinez-Tellez, Idoia Labayen, Jonatan R Ruiz
BACKGROUND & AIMS: A high inter-day reliability is a key factor to analyze the magnitude of change in resting metabolic rate (RMR) after an intervention, and the impact of using different methods for data analysis is not known. The aims of this study were: i) to analyze the impact of methods for data analysis on RMR and respiratory exchange ratio (RER) estimation; ii) to analyze the impact of methods for data analysis on inter-day RMR and RER reliability; iii) to compare inter-day RMR and RER reliability across methods for data analysis in participants who achieved steady state (SS) vs...
August 5, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28794470/endocrine-disruptors-induce-perturbations-in-endoplasmic-reticulum-and-mitochondria-of-human-pluripotent-stem-cell-derivatives
#12
Uthra Rajamani, Andrew R Gross, Camille Ocampo, Allen M Andres, Roberta A Gottlieb, Dhruv Sareen
Persistent exposure to man-made endocrine disrupting chemicals during fetal endocrine development may lead to disruption of metabolic homeostasis contributing to childhood obesity. Limited cellular platforms exist to test endocrine disrupting chemical-induced developmental abnormalities in human endocrine tissues. Here we use an human-induced pluripotent stem cell-based platform to demonstrate adverse impacts of obesogenic endocrine disrupting chemicals in the developing endocrine system. We delineate the effects upon physiological low-dose exposure to ubiquitous endocrine disrupting chemicals including, perfluoro-octanoic acid, tributyltin, and butylhydroxytoluene, in endocrine-active human-induced pluripotent stem cell-derived foregut epithelial cells and hypothalamic neurons...
August 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28767523/respiratory-mechanical-and-cardiorespiratory-consequences-of-cycling-with-aerobars
#13
Jesse M Charlton, Andrew H Ramsook, Reid A Mitchell, Michael A Hunt, Joseph H Puyat, Jordan A Guenette
PURPOSE: Aerobars place a cyclist in a position where the trunk is flexed forward and the elbows are close to the midline of the body. This position is known to improve cycling aerodynamics and time trial race performance compared to upright cycling positions. However, the aggressive nature of this position may have important cardiorespiratory and metabolic consequences. The purpose of this investigation was to examine the respiratory mechanical, ventilatory, metabolic, and sensory consequences of cycling while using aerobars during laboratory based cycling...
July 31, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28743230/cart-modulates-beta-amyloid-metabolism-associated-enzymes-and-attenuates-memory-deficits-in-app-ps1-mice
#14
Kailin Yin, Jiali Jin, Xiaolei Zhu, Linjie Yu, Sulei Wang, Lai Qian, Lijuan Han, Yun Xu
INTRODUCTION: Cocaine- and amphetamine-regulated transcript (CART) peptide has been demonstrated to exert neuroprotective effects in stroke and some neurodegeneration diseases. In current study, we investigated the protective effects and underlying mechanisms of CART in APP/PS1 mice. METHODS: The protein levels of CART, soluble Aβ1-40 and Aβ1-42 were measured in the hippocampus of APP/PS1 mice by enzyme-linked immunosorbent assay. We determined the mRNA and protein levels of Aβ metabolism-associated enzymes including neprilysin (NEP), insulin-degrading enzyme (IDE), receptor for advanced glycation end products (RAGE), and low-density lipoprotein receptor-related protein 1 (LRP-1) in the hippocampus of APP/PS1 mice using real-time PCR and western blotting...
October 2017: Neurological Research
https://www.readbyqxmd.com/read/28725640/risk-factors-for-impaired-fasting-glucose-or-diabetes-among-hiv-infected-patients-on-art-in-the-copperbelt-province-of-zambia
#15
Perfect Shankalala, Choolwe Jacobs, Samuel Bosomprah, Michael Vinikoor, Patrick Katayamoyo, Charles Michelo
BACKGROUND: Africa has a high prevalence of both Human Immunodeficiency Virus and Non Communicable Diseases (NCDs) but in Zambia there are few data on co-morbid NCDs like Diabetes Mellitus (DM) among HIV-infected individuals. We aimed to identify risk factors for impaired fasting glucose or diabetes among HIV-infected Zambians on long-term Combined Antiretroviral Treatment (cART). METHODS: This was a cross sectional study of adult HIV patients in five health facilities of Copperbelt Province in Zambia...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28694769/hypothalamic-integration-of-metabolic-endocrine-and-circadian-signals-in-fish-involvement-in-the-control-of-food-intake
#16
REVIEW
María J Delgado, José M Cerdá-Reverter, José L Soengas
The regulation of food intake in fish is a complex process carried out through several different mechanisms in the central nervous system (CNS) with hypothalamus being the main regulatory center. As in mammals, a complex hypothalamic circuit including two populations of neurons: one co-expressing neuropeptide Y (NPY) and Agouti-related peptide (AgRP) and the second one population co-expressing pro-opiomelanocortin (POMC) and cocaine- and amphetamine-regulated transcript (CART) is involved in the integration of information relating to food intake control...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28694205/association-of-variants-in-sh2b1-and-rabep1-with-worsening-of-low-density-lipoprotein-and-glucose-parameters-in-patients-treated-with-psychotropic-drugs
#17
Aurélie Delacrétaz, Adna Zdralovic, Frederik Vandenberghe, Nuria Saigi-Morgui, Anaïs Glatard, Lina Quteineh, Mehdi Gholam-Rezaee, Wassim Raffoul, Lee Ann Applegate, Paris Jafari, Franziska Gamma, Armin von Gunten, Philippe Conus, Chin B Eap
Genetic factors associated with Body Mass Index (BMI) have been widely studied over the last decade. We examined whether genetic variants previously associated with BMI in the general population are associated with cardiometabolic parameter worsening in the psychiatric population receiving psychotropic drugs, a high-risk group for metabolic disturbances. Classification And Regression Trees (CARTs) were used as a tool capable of describing hierarchical associations, to pinpoint genetic variants best predicting worsening of cardiometabolic parameters (i...
September 10, 2017: Gene
https://www.readbyqxmd.com/read/28690493/emerging-signaling-pathway-in-arcuate-feeding-related-neurons-role-of-the-acbd7
#18
REVIEW
Damien Lanfray, Denis Richard
The understanding of the mechanisms whereby energy balance is regulated is essential to the unraveling of the pathophysiology of obesity. In the last three decades, focus was put on the metabolic role played by the hypothalamic neurons expressing proopiomelanocortin (POMC) and cocaine and amphetamine regulated transcript (CART) and the neurons co-localizing agouti-related peptide (AgRP), neuropeptide Y (NPY), and gamma-aminobutyric acid (GABA). These neurons are part of the leptin-melanocortin pathway, whose role is key in energy balance regulation...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28690189/efavirenz-what-is-known-about-the-cellular-mechanisms-responsible-for-its-adverse-effects
#19
REVIEW
Nadezda Apostolova, Ana Blas-Garcia, Maria J Galindo, Juan V Esplugues
The HIV infection remains an important health problem worldwide. However, due to the efficacy of combined antiretroviral therapy (cART), it has ceased to be a mortal condition, becoming a chronic disease instead. Efavirenz, the most prescribed non-nucleoside analogue reverse transcriptase inhibitor (NNRTI), has been a key component of cART since its commercialization in 1998. Though still a drug of choice in many countries, its primacy has been challenged by the arrival of newer antiretroviral agents with better toxicity profiles and treatment adherence...
July 8, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28649723/distribution-and-female-reproductive-state-differences-in-orexigenic-and-anorexigenic-neurons-in-the-brain-of-the-mouth-brooding-african-cichlid-fish-astatotilapia-burtoni
#20
Danielle T Porter, David A Roberts, Karen P Maruska
Integration of reproduction and metabolism is necessary for species survival. While the neural circuits controlling energy homeostasis are well-characterized, the signals controlling the relay of nutritional information to the reproductive axis are less understood. The cichlid fish Astatotilapia burtoni is ideal for studying the neural regulation of feeding and reproduction because females cycle between a feeding gravid state and a period of forced starvation while they brood developing young inside their mouths...
October 1, 2017: Journal of Comparative Neurology
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