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lipids and physical activity

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https://www.readbyqxmd.com/read/28448086/effects-of-running-wheel-activity-and-dietary-hmb-and-%C3%AE-alanine-co-supplementation-on-muscle-quality-in-aged-male-rats
#1
D W Russ, C Acksel, K W McCorkle, N K Edens, S M Garvey
OBJECTIVE: Loss of skeletal muscle function is linked to increased risk for loss of health and independence in older adults. Dietary interventions that can enhance aging muscle function, alone or in combination with exercise, may offer an effective way to reduce these risks. The goal of this study was to evaluate the muscular effects of beta-hydroxy-beta-methylbutyrate (HMB) and beta-alanine (β-Ala) co-supplementation in aged Sprague-Dawley rats with voluntary access to running wheels (RW)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28443701/evaluation-of-dietary-intake-leisure-time-physical-activity-and-metabolic-profile-in-women-with-mutation-in-the-lmna-gene
#2
Luciana Monteiro, Maria Cristina Foss-Freitas, Anderson Navarro, Francisco Pereira, Fernanda Coeli, Estela Carneseca, Renan Montenegro Júnior, Milton Foss
INTRODUCTION: Familial partial lipodystrophy (FPL) is a rare genetic disorder characterized by selective lack of subcutaneous fat, which is associated with insulin-resistant diabetes. The Dunnigan variety (FPLD2) is caused by several missense mutations in the lamin A/C (LMNA) gene, most of which are typically located in exon 8 at the codon position 482. OBJECTIVE: The aim of this study was to assess and compare the dietary intake, leisure-time physical activity (LTPA), and biochemical measurements (glucose, A1C, and plasma lipids) in women with FPLD2 and without (control group, CG) and to examine the associations between dietary intake and biochemical measurements (BM)...
April 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28432115/effects-of-exercise-on-vascular-function-structure-and-health-in-humans
#3
Daniel J Green, Kurt J Smith
Physical activity has profound impacts on the vasculature in humans. Acute exercise induces immediate changes in artery function, whereas repeated episodic bouts of exercise induce chronic functional adaptation and, ultimately, structural arterial remodeling. The nature of these changes in function and structure are dependent on the characteristics of the training load and may be modulated by other factors such as exercise-induced inflammation and oxidative stress. The clinical implications of these physiological adaptations are profound...
April 21, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28432033/lipids-as-central-modulators-of-sensory-trp-channels
#4
REVIEW
Maria Grazia Ciardo, Antonio Ferrer-Montiel
The transient receptor potential (TRP) ion channel family is involved in a diversity of physiological processes including sensory and homeostatic functions, as well as muscle contraction and vasomotor control. Their dysfunction contributes to the etiology of several diseases, being validated as therapeutic targets. These ion channels may be activated by physical or chemical stimuli and their function is highly influenced by signaling molecules activated by extracellular signals. Notably, as integral membrane proteins, lipid molecules also modulate their membrane location and function either by direct interaction with the channel structure or by modulating the physico-chemical properties of the cellular membrane...
April 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28429194/photobiomodulation-therapy-associated-with-treadmill-training-in-the-oxidative-stress-in-a-collagen-induced-arthritis-model
#5
Solange Almeida Dos Santos, Marcia Ataize Dos Santos Vieira, Maira Cécilia Brandão Simões, Andrey Jorge Serra, Ernesto Cesar Leal-Junior, Paulo de Tarso Camillo de Carvalho
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by chronic and systemic inflammation, which leads to the destruction of the cartilage and bone and affects tissues in multiple joints. Oxidative stress has been implicated with regards to involvement in various disease conditions, such as diabetes mellitus and neurodegenerative, respiratory, cardiovascular, and RA diseases. In vivo experimental studies using photobiomodulation therapy (PBMT) have shown positive effects in reducing lipid peroxidation and in increasing antioxidant activity...
April 21, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28420713/acute-versus-chronic-exposure-to-high-fat-diet-leads-to-distinct-regulation-of-pka
#6
Edra London, Maria Nesterova, Constantine A Stratakis
The cAMP-dependent protein kinase (PKA) is an essential regulator of lipid and glucose metabolism that plays a critical role in energy homeostasis. The impact of diet on PKA signaling has not been defined, although perturbations in individual PKA subunits are associated with changes in adiposity, physical activity, and energy intake in mice and humans. We hypothesized that a high fat diet (HFD) would elicit peripheral and central alterations in the PKA system that would differ depending on length of exposure to HFD; these differences could protect against or promote diet-induced obesity (DIO)...
April 18, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28415797/rab7-gtpase-controls-lipid-metabolic-signaling-in-myeloid-derived-suppressor-cells
#7
Xinchun Ding, Wenjing Zhang, Ting Zhao, Cong Yan, Hong Du
Lysosomal acid lipase (LAL) is a critical neutral lipid metabolic enzyme that regulates metabolic reprogramming in myeloid-derived suppressor cells (MDSCs) through over-activation of mammalian target of rapamycin (mTOR). Affymetrix GeneChip microarray analysis of MDSCs from LAL deficient mouse (lal-/-) revealed upregulation of Rab7 GTPase protein, which belongs to a superfamily of small-molecular-weight GTPase known to regulate intracellular membrane trafficking from early to late endosomes and lysosomes. Here, the physical protein-protein interaction between Rab7 GTPase and mTOR has been detected by co-immunoprecipitation in the cell extract of wild type HD1A and lal-/- MDSC-like HD1B myeloid cell lines...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415050/free-radicals-and-polyphenols-the-redox-chemistry-of-neurodegenerative-diseases
#8
REVIEW
Sonia Losada-Barreiro, Carlos Bravo-Díaz
The oxidation of bioorganic materials by air and, particularly, the oxidative stress involved in the cell loss and other pathologies associated with neurodegenerative diseases (NDs) are of enormous social and economic importance. NDs generally involve free radical reactions, beginning with the formation of an initiating radical by some redox, thermal or photochemical process, causing nucleic acid, protein and lipid oxidations and the production of harmful oxidative products. Physically, persons afflicted by NDs suffer progressive loss of memory and thinking ability, mood swings, personality changes, and loss of independence...
March 29, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28413425/association-of-retinol-binding-protein-4-with-metabolic-syndrome-in-first-degree-relatives-of-type-2-diabetic-patients
#9
Marjan Tabesh, Atsa Noroozi, Masood Amini, Awat Feizi, Sahar Saraf-Bank, Maryam Zare
BACKGROUND: Retinol-binding protein 4 (RBP4) is known to regulate lipid and glucose metabolism and insulin resistance. The influences of RBP4 on metabolic syndrome (MS) are still unclear. The purpose of this study is to evaluate the association between serum levels of RBP4 and MS components in first-degree relations of type 2 diabetic patients. MATERIALS AND METHODS: This cross-sectional study was performed within the framework of the diabetes prevention project in Isfahan...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28409089/comparative-effectiveness-of-guided-weight-loss-and-physical-activity-monitoring-for-weight-loss-and-metabolic-risks-a-pilot-study
#10
Karissa L Peyer, Laura D Ellingson, Kathryn Bus, Sarah A Walsh, Warren D Franke, Gregory J Welk
Many consumer-based physical activity monitors (PAMs) are available but it is not clear how to use them to most effectively promote weight loss. The purpose of this pilot study was to compare the effectiveness of a personal PAM, a guided weight loss program (GWL), and the combination of these approaches on weight loss and metabolic risk. Participants completed the study in two cohorts: Fall 2010 and Spring 2011. A sample of 72 obese individuals in the Ames, IA area were randomized to one of 3 conditions: 1) (GWL, N = 31), 2) PAM, N = 29, or 3) a combination group (PAM + GWL, N = 29)...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28403948/association-between-early-pregnancy-vitamin-d-status-and-changes-in-serum-lipid-profiles-throughout-pregnancy
#11
Jaqueline Lepsch, Ilana Eshriqui, Dayana Rodrigues Farias, Juliana S Vaz, Amanda C Cunha Figueiredo, Amanda Rodrigues Amorim Adegboye, Alex Brito, Rana Mokhtar, Lindsay H Allen, Michael F Holick, Gilberto Kac
OBJECTIVE: To evaluate the associations between first trimester 25-hydroxyvitamin D [25(OH)D] status and changes in high-density lipoprotein cholesterol (HDL-c), low-density lipoprotein cholesterol (LDL-c), total cholesterol (TC), triglyceride (TG) concentrations, TG/HDL-c, and TC/HDL-c ratios throughout pregnancy. We hypothesized that first trimester 25(OH)D inadequacy is associated with lower concentrations of HDL-c and higher LDL-c, TC, TG, TG/HDL-c, and TC/HDL-c ratios throughout pregnancy...
May 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28403174/exercise-in-vivo-marks-human-myotubes-in-vitro-training-induced-increase-in-lipid-metabolism
#12
Jenny Lund, Arild C Rustan, Nils G Løvsletten, Jonathan M Mudry, Torgrim M Langleite, Yuan Z Feng, Camilla Stensrud, Mari G Brubak, Christian A Drevon, Kåre I Birkeland, Kristoffer J Kolnes, Egil I Johansen, Daniel S Tangen, Hans K Stadheim, Hanne L Gulseth, Anna Krook, Eili T Kase, Jørgen Jensen, G Hege Thoresen
BACKGROUND AND AIMS: Physical activity has preventive as well as therapeutic benefits for overweight subjects. In this study we aimed to examine effects of in vivo exercise on in vitro metabolic adaptations by studying energy metabolism in cultured myotubes isolated from biopsies taken before and after 12 weeks of extensive endurance and strength training, from healthy sedentary normal weight and overweight men. METHODS: Healthy sedentary men, aged 40-62 years, with normal weight (body mass index (BMI) < 25 kg/m2) or overweight (BMI ≥ 25 kg/m2) were included...
2017: PloS One
https://www.readbyqxmd.com/read/28399076/effects-of-a-10-day-intensive-health-promotion-program-combining-diet-and-physical-activity-on-body-composition-physical-fitness-and-blood-factors-of-young-adults-a-randomized-pilot-study
#13
Kyoung Soon Lee, Jae Koo Lee, Young Ran Yeun
BACKGROUND A lifestyle characterized by poor eating habits and physical inactivity is a risk factor for multiple lifestyle diseases in young adults. This study assessed the effects of implementing an intensive 10-day health promotion program combining diet and physical activities on body composition, physical fitness, and biochemical parameters of young adults. MATERIAL AND METHODS In this randomized pilot study, 30 female undergraduate students were randomly allocated to an intervention and a control group...
April 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28398943/cardiorespiratory-fitness-and-risk-of-fatty-liver-the-young-finns-study
#14
Kristiina S Pälve, Katja Pahkala, Emmi Suomela, Heikki Aatola, Janne Hulkkonen, Markus Juonala, Terho Lehtimäki, Tapani Rönnemaa, Jorma S A Viikari, Mika Kähönen, Nina Hutri-Kähönen, Risto Telama, Tuija Tammelin, Olli T Raitakari
PURPOSE: Fatty liver is an expanding health concern associated with metabolic disturbances and increased risk of cardiovascular disease. Experimental studies in animals have shown associations between fatty liver and cardiorespiratory fitness but limited data exist in humans. The aim of this study was to analyze the links between cardiorespiratory fitness and fatty liver in a population based sample of adults. METHODS: Participants were 463 adults (48% males) from the Cardiovascular Risk in Young Finns Study...
April 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28397896/tailored-microstructure-of-colloidal-lipid-particles-for-pickering-emulsions-with-tunable-properties
#15
Anja Schröder, Joris Sprakel, Karin Schroën, Claire C Berton-Carabin
Sub-micron colloidal lipid particles (CLPs) can successfully be used as Pickering stabilizers in oil-in-water (O/W) emulsions, leading to an enhanced physical stability compared to conventional emulsifier-stabilized emulsions. Varying the lipid solid-liquid ratio leads to particles with distinct nanostructure and morphology, resulting in tunable emulsion stabilization performance. Our CLPs are produced by hot high pressure homogenization of high melting point fats in water, and subsequent cooling to induce lipid crystallization...
April 11, 2017: Soft Matter
https://www.readbyqxmd.com/read/28395951/prevalence-and-determinants-of-comorbid-diabetes-and-hypertension-evidence-from-non-communicable-disease-risk-factor-steps-survey-india
#16
Jaya Prasad Tripathy, J S Thakur, Gursimer Jeet, Sanjay Jain
PROBLEM STATEMENT: Comorbidity of non-communicable diseases carries a significant risk of cardiovascular events and mortality. With the rising burden of diabetes, hypertension and other risk factors, and ageing population in India, this is likely to pose a major threat to the health system. It is therefore essential to understand this high risk group. This article reports prevalence of comorbid diabetes and hypertension and its associated risk factors in the North Indian state of Punjab...
March 31, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28395819/evaluation-of-the-release-profile-stability-and-antioxidant-activity-of-a-proanthocyanidin-rich-cinnamon-cinnamomum-zeylanicum-extract-co-encapsulated-with-%C3%AE-tocopherol-by-spray-chilling
#17
Fabrício L Tulini, Volnei B Souza, Marcelo Thomazini, Marluci P Silva, Adna P Massarioli, Severino M Alencar, Eliria M J A Pallone, Maria I Genovese, Carmen S Favaro-Trindade
Cinnamon has many health improving compounds such as proanthocyanidins, which also have potential for the prevention of damages caused by diabetes. Similarly, α-tocopherol is a natural antioxidant with important role on protection of fatty acids in membranes and lipoproteins. However, the addition of antioxidants in food may result in interaction with food matrix, low stability and unpleasant taste. In the present study, a proanthocyanidin-rich cinnamon extract (PRCE) (Cinnamomum zeylanicum) was co-encapsulated with α-tocopherol into solid lipid microparticles (SLMs) by spray chilling...
May 2017: Food Research International
https://www.readbyqxmd.com/read/28394956/-being-physically-active-modifies-the-detrimental-effect-of-sedentary-behavior-on-obesity-and-cardiometabolic-markers-in-adults
#18
Carlos Salas, Carlos Cristi-Montero, Yu Fan, Eliana Durán, Ana María Labraña, María Adela Martínez, Ana María Leiva, Cristian Alvarez, Nicolás Aguilar-Farías, Rodrigo Ramírez-Campillo, Ximena Díaz Martínez, Ruth Sanzana-Inzunza, Carlos Celis-Morales
BACKGROUND: Sedentary behavior is a major risk factor for cardiovascular disease and mortality. AIM: To investigate whether the associations between sedentary behavior and cardiometabolic markers differs across physical activity levels. MATERIALS AND METHODS: Cross sectional study of 314 participants aged 18 to 65 years. Body mass index (BMI) and waist circumference were measured, and body fat was derived from the sum of four skinfolds. Physical activity was measured objectively using accelerometers (Actigraph GT1M, USA®)...
November 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28393328/health-benefits-of-light-intensity-physical-activity-a-systematic-review-of-accelerometer-data-of-the-national-health-and-nutrition-examination-survey-nhanes
#19
REVIEW
Eszter Füzéki, Tobias Engeroff, Winfried Banzer
BACKGROUND: The health effects of light-intensity physical activity (PA) are not well known today. OBJECTIVE: We conducted a systematic review to assess the association of accelerometer-measured light-intensity PA with modifiable health outcomes in adults and older adults. METHODS: A systematic literature search up to March 2016 was performed in the PubMed, EMBASE, Web of Science and Google Scholar electronic databases, without language limitations, for studies of modifiable health outcomes in adults and older adults in the National Health and Nutrition Examination Survey accelerometer dataset...
April 10, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28391877/influence-of-sedentary-behavior-physical-activity-and-cardiorespiratory-fitness-on-the-atherogenic-index-of-plasma
#20
Meghan K Edwards, Michael J Blaha, Paul D Loprinzi
BACKGROUND: Atherogenic index of plasma (AIP), calculated as LOG10 (triglycerides/high-density lipoprotein-cholesterol), may have greater utility over other metrics in predicting risk for cardiovascular disease (CVD). Previous work demonstrates the associations of physical activity (PA), sedentary behavior, and cardiorespiratory fitness (CRF) with triglycerides high-density lipoprotein (HDL-C) and CVD. OBJECTIVE: Limited research has examined these parameters and their potential additive associations with AIP, which was the purpose of this study...
January 2017: Journal of Clinical Lipidology
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