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https://www.readbyqxmd.com/read/29156432/the-effects-of-human-drugs-in-corbicula-fluminea-assessment-of-neurotoxicity-inflammation-gametogenic-activity-and-energy-status
#1
G V Aguirre-Martínez, C André, F Gagné, L M Martín-Díaz
The constant release of pharmaceuticals products to aquatic environment even at low concentrations (ng L(-1) to µg L(-1)) could lead to unknown chronic effects to non-target organisms. The aim of this study was to evaluate neurotoxic responses, inflammation, gametogenic activity and energy status on the fresh water clam C. fluminea after exposure to different concentrations of caffeine (CAF), ibuprofen (IBU), carbamazepine (CBZ), novobiocin (NOV) and tamoxifen (TMX) for 21 days under laboratory conditions...
November 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29153170/a-100-year-review-stress-physiology-including-heat-stress
#2
R J Collier, B J Renquist, Y Xiao
Stress is an external event or condition that places a strain on a biological system. The animal response to a stress involves the expenditure of energy to remove or reduce the impact of the stress. This increases maintenance requirements of the animal and results in loss of production. The biological response to stress is divided into acute and chronic phases, with the acute phase lasting hours to a few days and the chronic phase lasting several days to weeks. The acute response is driven by homeostatic regulators of the nervous and endocrine systems and the chronic phase by homeorhetic regulators of the endocrine system...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29152137/emodin-and-rhein-decrease-levels-of-hypoxia-inducible-factor-1%C3%AE-in-human-pancreatic-cancer-cells-and-attenuate-cancer-cachexia-in-athymic-mice-carrying-these-cells
#3
Lijuan Hu, Rui Cui, Hongyi Liu, Feng Wang
The transcription factor hypoxia-inducible factor-1 (HIF-1) consists of oxygen-sensitive HIF-1α and constitutive HIF-1β. HIF-1α is undetectable in normal cells, but cancer cells frequently express HIF-1α to support their growth, angiogenesis, and high glycolysis (also known as the Warburg effect). The Warburg effect in cancer cells increases energy expenditure and thus participates in cancer-induced metabolic disorder, cancer cachexia. In the present study, we investigated whether two components of Rheum palmatum, emodin and rhein, inhibited HIF-1α expression in human pancreatic cancer cells and whether the inhibiting effect, if any, attenuated cancer cachexia...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151980/synbiotic-effects-of-%C3%AE-glucans-from-cauliflower-mushroom-and-lactobacillus-fermentum-on-metabolic-changes-and-gut-microbiome-in-estrogen-deficient-rats
#4
Seong-Yeop Jeong, Suna Kang, Cao Shi Hua, Zhang Ting, Sunmin Park
Background: We investigated whether the long-term consumption of a symbiotic formulation with Lactobacillus fermentum (probiotic) and β-glucan from cauliflower mushroom (prebiotic) would delay the progression of post-menopausal symptoms in ovariectomized (OVX) rats and explored their mechanisms of action, including changes in gut microbiota. Methods: OVX rats were fed with high-fat diets containing 1% dextrin (control), 1% lyophilized cauliflower mushroom extract (CFM), 0...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/29150901/expression-of-the-clock-gene-rev-erb%C3%AE-in-the-brain-controls-the-circadian-organization-of-food-intake-and-locomotor-activity-but-not-daily-variations-of-energy-metabolism
#5
Satish Sen, Stéphanie Dumont, Dominique Sage-Ciocca, Sophie Reibel, Paul de Goede, Andries Kalsbeek, Etienne Challet
The nuclear receptor REV-ERBα is part of the molecular clock mechanism and thought to be involved in a variety of biological processes within metabolically active peripheral tissues as well. To investigate whether Rev-erbα (also known as Nr1d1) in the brain plays a role in the daily variations of energy metabolism, feeding behaviour and the sleep-wake cycle, we studied mice with global (GKO) or brain (BKO) deletion of Rev-erbα. Mice were studied both in a light-dark cycle and constant darkness, and 24-h variations of Respiratory quotient (RQ) and energy expenditure, as well as the temporal patterns of rest-activity and feeding behavior were recorded...
November 18, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29150762/seasonal-influence-on-adherence-to-and-effects-of-an-interval-walking-training-program-on-sedentary-female-college-students-in-japan
#6
Aiko Tanabe, Shizue Masuki, Ken-Ichi Nemoto, Hiroshi Nose
Habitual exercise training is recommended to young people for their health promotion, but adherence may be influenced by atmospheric temperature (T a ) if performed outdoors. We compared the adherence to and the effects of a home-based interval walking training (IWT) program on sedentary female college students between winter and summer. For summer training over 176 days, 48 subjects (18-22 years old) were randomly divided into two groups: the control group (CNTsummer, n = 24), which maintained a sedentary lifestyle as before, and the IWT group (IWTsummer, n = 24), which performed IWT while energy expenditure was monitored by accelerometry...
November 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/29146410/cart-neurons-in-the-arcuate-nucleus-and-lateral-hypothalamic-area-exert-differential-controls-on-energy-homeostasis
#7
Jackie Lau, Aitak Farzi, Yue Qi, Regine Heilbronn, Mario Mietzsch, Yan-Chuan Shi, Herbert Herzog
OBJECTIVE: The cocaine- and amphetamine-regulated transcript (CART) codes for a pivotal neuropeptide important in the control of appetite and energy homeostasis. However, limited understanding exists for the defined effector sites underlying CART function, as discrepant effects of central CART administration have been reported. METHODS: By combining Cart-cre knock-in mice with a Cart adeno-associated viral vector designed using the flip-excision switch (AAV-FLEX) technology, specific reintroduction or overexpression of CART selectively in CART neurons in the arcuate nucleus (Arc) and lateral hypothalamic area (LHA), respectively, was achieved...
November 8, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29145563/neuronal-dnmt1-deficiency-attenuates-diet-induced-obesity-in-mice
#8
Emily C Bruggeman, John T Garretson, Rui Wu, Hang Shi, Bingzhong Xue
Aberrant neuronal DNA methylation patterns have been implicated in the promotion of obesity development, but the role of neuronal DNA methyltransferases (Dnmts; enzymes that catalyze DNA methylation) in energy balance remains poorly understood. We investigated whether neuronal Dnmt1 regulates normal energy homeostasis and obesity development using a novel Dnmt1 knockout mouse model, Dnmt1fl/fl Synapsin1Cre (ND1KO), which specifically deletes Dnmt1 in neurons.Neuronal Dnmt1 deficiency reduced adiposity in chow-fed mice and attenuated obesity in HFD-fed male mice...
November 14, 2017: Endocrinology
https://www.readbyqxmd.com/read/29143300/effect-of-restraining-the-base-of-support-on-the-other-biomechanical-features-in-patients-with-cerebellar-ataxia
#9
C Conte, Mariano Serrao, L Cuius, A Ranavolo, S Conforto, F Pierelli, L Padua
This study aimed to analyze the biomechanical consequences of reducing the base of support in patients with ataxia. Specifically, we evaluated the spatio-temporal parameters, upper- and lower-body kinematics, muscle co-activation, and energy recovery and expenditure. The gaits of 13 patients were recorded using a motion analysis system in unperturbed and perturbed walking conditions. In the latter condition, patients had to walk using the same step width and speed of healthy controls. The perturbed walking condition featured reduced gait speed, step length, hip and knee range of motion, and energy recovery and increased double support duration, gait variability, trunk oscillation, and ankle joint muscle co-activation...
November 15, 2017: Cerebellum
https://www.readbyqxmd.com/read/29141998/vanillic-acid-attenuates-obesity-via-activation-of-the-ampk-pathway-and-thermogenic-factors-in-vivo-and-in-vitro
#10
Yunu Jung, Jinbong Park, Hye-Lin Kim, Jung-Eun Sim, Dong-Hyun Youn, JongWook Kang, Seona Lim, Mi-Young Jeong, Woong Mo Yang, Seok-Geun Lee, Kwang Seok Ahn, Jae-Young Um
Energy expenditure is a target gaining recent interest for obesity treatment. The antiobesity effect of vanillic acid (VA), a well-known flavoring agent, was investigated in vivo and in vitro High-fat diet (HFD)-induced obese mice and genetically obese db/db mice showed significantly decreased body weights after VA administration. Two major adipogenic markers, peroxisome proliferator activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα), were reduced while the key factor of energy metabolism, AMPKα, was increased in the white adipose tissue and liver tissue of VA-treated mice...
November 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29140154/no-difference-in-young-adult-athletes-resting-energy-expenditure-when-measured-under-inpatient-or-outpatient-conditions
#11
Julia L Bone, Louise M Burke
Low energy availability can place athletes at increased risk of injury and illness and can be detected by a low metabolic rate. The lowest metabolic rate is captured at the bedside, after an overnight fast and termed inpatient REE. Measurements done in a laboratory with a shorter overnight fast are termed outpatient REE. Although important to know what the lowest energy expenditure, a bedside measure and/or 12 h fast is not always practical or logistically possible particularly when you take into account an athlete's training schedule...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29138256/low-neonatal-plasma-n-6-n-3-pufa-ratios-regulate-offspring-adipogenic-potential-and-condition-adult-obesity-resistance
#12
Michael C Rudolph, Matthew R Jackman, David M Presby, Julie A Houck, Patricia G Webb, Ginger C Johnson, Taylor K Soderborg, Becky A de la Houssaye, Ivana V Yang, Jacob E Friedman, Paul S MacLean
Adipose tissue expansion (ATE) progresses rapidly during postnatal life, influenced by both prenatal maternal factors and postnatal developmental cues. The ratio of n-6 relative to n-3 polyunsaturated fatty acids (PUFA) is thought to regulate perinatal adipogenesis, but the cellular mechanisms and long-term effects are not well understood. We lowered the fetal and postnatal n-6/n-3 PUFA ratio exposure in wildtype offspring, under standard maternal dietary fat amounts, to test effects of low n-6/n-3 ratios on offspring adipogenesis and adipogenic potential...
November 14, 2017: Diabetes
https://www.readbyqxmd.com/read/29138228/low-protein-diet-induced-hyperphagia-and-adiposity-are-modulated-through-interactions-involving-thermoregulation-motor-activity-and-protein-quality-in-mice
#13
Anne Blais, Catherine Chaumontet, Dalila Azzout-Marniche, Julien Piedcoq, Gilles Fromentin, Claire Gaudichon, Daniel Tomé, Patrick C Even
Low-protein (LP) containing diets can induce overeating in rodents and possibly in humans in an effort to meet protein requirement but the consequences on energy expenditure (EE) are unclear. The present study evaluated the changes induced by reducing dietary protein from 20% to 6%, using either soy protein or casein, on energy intake, body composition and EE in mice housed at 22°C or at 30°C (thermal-neutrality). LP feeding increased energy intake and adiposity, more in soy fed than in casein fed mice, but also increased EE thus limiting fat accumulation...
November 14, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29134744/acute-oral-sodium-propionate-supplementation-raises-resting-energy-expenditure-and-lipid-oxidation-in-fasted-humans
#14
Edward S Chambers, Claire S Byrne, Karen Aspey, Yanjie Chen, Saadiyah Khan, Douglas J Morrison, Gary Frost
Short chain fatty acids (SCFAs), produced from fermentation of dietary fibre by the gut microbiota, have been suggested to modulate energy metabolism. Previous work using rodent models have demonstrated that oral supplementation of the SCFA propionate raises resting energy expenditure (REE) by promoting lipid oxidation. The objective of this study was to investigate the effects of oral sodium propionate on REE and substrate metabolism in humans. Eighteen healthy volunteers (9 females and 9 males; Age: 25±1 y; Body Mass Index: 24...
November 13, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29134520/benchmarking-the-scientific-research-on-wastewater-energy-nexus-by-using-bibliometric-analysis
#15
Tianlong Zheng, Pengyu Li, Zhining Shi, Jianguo Liu
With an exponential increase in urbanization and industrialization, water pollution is an inevitable consequence of relatively lagging wastewater treatment facilities. The conventional activated sludge process for wastewater treatment primarily emphasizes the removal of harmful substances to maintain increasingly stringent effluent discharged standards, which is considered an energy-intensive technique. Therefore, innovative and sustainable wastewater treatment should pay more attention to energy and resource recovery in dealing with fossil fuel depletion, global-scale energy security, and climate change...
November 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29131244/a-review-on-irisin-a-new-protagonist-that-mediates-muscle-adipose-bone-neuron-connectivity
#16
B Grygiel-Górniak, M Puszczewicz
Physical activity improves the quality of life and decreases the risk of several diseases (i.e. stroke, hypertension, myocardial infarction, obesity, and malignancies). Skeletal muscles are considered as an endocrine organ that produces myokines characterized by a paracrine or endocrine activity. Irisin is a circulating hormone-like myokine and is secreted as a product of fibronectin type III domain-containing protein 5 from skeletal muscle in response to exercise. This molecule regulates the energy metabolism and acts in adipose tissue, bones, and nervous system...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29131106/gut-microbiota-dependent-modulation-of-energy-metabolism
#17
Christina N Heiss, Louise E Olofsson
The gut microbiota has emerged as an environmental factor that modulates the host's energy balance. It increases the host's ability to harvest energy from the digested food, and produces metabolites and microbial products such as short-chain fatty acids, secondary bile acids, and lipopolysaccharides. These metabolites and microbial products act as signaling molecules that modulate appetite, gut motility, energy uptake and storage, and energy expenditure. Several findings suggest that the gut microbiota can affect the development of obesity...
November 8, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29129235/effects-of-intraoperative-nutrients-administration-on-energy-expenditure-during-general-anesthesia
#18
Daizoh Satoh, Noriko Toda, Ichiro Yamamoto
OBJECTIVES: Recent reports have shown that intraoperative infusions of glucose and amino acids exert anticatabolic effects. The appropriate dosages of these amino acids and glucose during general anesthesia remain unknown. METHODS: Patients who underwent esophagectomy for thoracic esophageal cancer were infused with acetated Ringer's solution that contained glucose and amino acids (B1 group [10 patients]: glucose, 3 g/h; amino acids, 1.2 g/h; B2 group [12 patients]: glucose, 4...
January 2018: Nutrition
https://www.readbyqxmd.com/read/29125854/raaaf-s-office-landscape-the-end-of-sitting-energy-expenditure-and-temporary-comfort-when-working-in-non-sitting-postures
#19
Simone R Caljouw, Rutger de Vries, Rob Withagen
An earlier study suggested that the activity-inviting office landscape called "The End of Sitting", designed by Rietveld Architecture Art Affordances (RAAAF), should be considered as an alternative working environment to prevent sedentary behavior. The End of Sitting lacks chairs and tables but consists instead of a myriad of sloped surfaces at different heights that afford workers to stand, lean or recline at different locations. In this study, we assessed the impact of four of its workspaces on physical intensity, temporary comfort and productivity of office work and compared the outcomes with sitting and standing behind a desk...
2017: PloS One
https://www.readbyqxmd.com/read/29124885/oleoylethanolamide-the-role-of-a-bioactive-lipid-amide-in-modulating-eating-behaviour
#20
REVIEW
J Sihag, P J H Jones
Fatty acid ethanolamides are lipid mediators that regulate a plethora of physiological functions. One such bioactive lipid mediator, oleoylethanolamide (OEA), is a potent agonist of the peroxisome proliferator-activated receptor-alpha (PPAR-α), which modulates increased expression of the fatty acid translocase CD36 that enables the regulation of feeding behaviour. Consumption of dietary fat rich in oleic acid activates taste receptors in the gut activating specific enzymes that lead to the formation of OEA...
November 10, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
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