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Basal metabolic rate

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https://www.readbyqxmd.com/read/28534498/estimating-the-basal-metabolic-rate-from-fat-free-mass-in-individuals-with-motor-complete-spinal-cord-injury
#1
S M Chun, H-R Kim, H I Shin
STUDY DESIGN: Cross-sectional study. OBJECTIVES: This study aimed to validate the existing basal metabolic rate (BMR) predictive equations that include fat free mass (FFM) as an independent variable and, based on the FFM assessment, to develop a new SCI population-specific equation. SETTING: Outpatient clinic in a general hospital. METHODS: Our study group was formed of 50 individuals with chronic motor complete SCI: 27 patients with tetraplegia and 23 with paraplegia...
May 23, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28516130/nutritional-status-and-body-composition-of-independently-living-older-adults-in-a-snowy-region-of-japan
#2
Tomoko Shimoda, Teppei Suzuki, Noriko Takahashi, Kaori Tsutsumi, Mina Samukawa, Shoko Yoshimachi, Teruaki Goto, Hisashi Enomoto, Nobuyuki Kise, Katsuhiko Ogasawara, Sadako Yoshimura
Lifestyle diseases, which are associated with nutrition, account for 30% of elderly requiring long-term care. To increase health expectancy among Japan's rapidly aging population, we investigated the nutritional status and body composition of elderly adults living in a region subject to heavy snowfall, to identify pertinent health indicators. The dietary habits of 288 local residents aged ≥50 years were analyzed using body composition and a brief-type self-administered diet history questionnaire. Body mass index of all residents was normal...
January 2017: Gerontology & Geriatric Medicine
https://www.readbyqxmd.com/read/28513179/consumption-of-watermelon-juice-enriched-in-l-citrulline-and-pomegranate-ellagitannins-enhanced-metabolism-during-physical-exercise
#3
Ascension Martinez-Sanchez, Fernando Alacid, Jacobo A Rubio-Arias, Bárbara Fernandez-Lobato, Domingo J Ramos-Campo, Encarna Aguayo
L-citrulline is a non-essential amino acid precursor of arginine and indirectly a precursor of nitric oxide (NO), which is a vasodilator and increases mitochondrial respiration. On the other hand, the antioxidant pomegranate ellagitannins are precursors of urolithin A, which has been associated with mitophagy and increased muscle function. To elucidate if a single dose of watermelon enrichment with these compounds have a positive effect after a high intensity exercise (8 sets of 8 repetitions of half squat exercise), a double-blind randomized crossover in vivo study was performed in healthy male subjects (n=19)...
May 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28500825/which-type-2-diabetes-mellitus-patients-should-be-screened-for-subclinical-cushing-s-syndrome
#4
Güven Barış Cansu, Sevgi Atılgan, Mustafa Kemal Balcı, Ramazan Sarı, Sebahat Özdem, Hasan Ali Altunbaş
OBJECTIVE: Diabetes or impaired glucose tolerance are common in patients with Cushing's syndrome (CS). In this study we investigated the incidence of subclinical Cushing's syndrome (SCS) in type 2 diabetic patients with poor and good metabolic control and the relationship between blood glucose and cortisol levels. DESIGN: A total of 400 type 2 diabetes mellitus (T2DM) patients (Group A, HbA1c ≥8%, n=250; Group B, HbA1c ≤6.5%, n=150) were included in the study...
January 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28495940/neuroimaging-changes-in-menkes-disease-part-2
#5
REVIEW
R Manara, M C Rocco, L D'agata, R Cusmai, E Freri, L Giordano, F Dara, E Procopio, I Toldo, C Peruzzi, R Vittorini, A Spalice, C Fusco, M Nosadini, D Longo, S Sartori
This is the second part of a retrospective and review MR imaging study aiming to define the frequency rate, timing, imaging features, and evolution of gray matter changes in Menkes disease, a rare multisystem X-linked disorder of copper metabolism characterized by early, severe, and progressive neurologic involvement. According to our analysis, neurodegenerative changes and focal basal ganglia lesions already appear in the early phases of the disease. Subdural collections are less common than generally thought; however, their presence remains important because they might challenge the differential diagnosis with child abuse and might precipitate the clinical deterioration...
May 11, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28495870/early-life-experience-drives-short-term-acclimation-of-metabolic-and-osmoregulatory-traits-in-the-leaf-eared-mouse
#6
G Cavieres, M Nuñez-Villegas, F Bozinovic, P Sabat
We studied the putative effect of early experience on the physiological flexibility of metabolic and osmoregulatory traits in the leaf-eared mouse Phyllotis darwini, an altricial rodent inhabiting seasonal mediterranean environments. Adult individuals were collected in central Chile and maintained in breeding pairs. Pups were isolated after weaning and acclimated to different temperature (cold or warm) and water availability (unrestricted and restricted) until adulthood. Subsequently, individuals were re-acclimated to the opposite treatment...
May 11, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28490809/hepatic-estrogen-receptor-%C3%AE-is-critical-for-regulation-of-gluconeogenesis-and-lipid-metabolism-in-males
#7
Shuiqing Qiu, Juliana Torrens Vazquez, Erin Boulger, Haiyun Liu, Ping Xue, Mehboob Ali Hussain, Andrew Wolfe
Impaired estrogens action is associated with features of the metabolic syndrome in animal models and humans. We sought to determine whether disruption of hepatic estrogens action in adult male mice could recapitulate aspects of the metabolic syndrome to understand the mechanistic basis for the phenotype. We found 17β-estradiol (E2) inhibited hepatic gluconeogenic genes such as phosphoenolpyruvate carboxykinase 1 (Pck-1) and glucose 6-phosphatase (G6Pase) and this effect was absent in mice lacking liver estrogen receptor α (Esr1) (LERKO mice)...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28479016/the-impact-of-rate-of-weight-loss-on-body-composition-and-compensatory-mechanisms-during-weight-reduction-a-randomized-control-trial
#8
Sílvia Ribeiro Coutinho, Emilie With, Jens F Rehfeld, Bård Kulseng, Helen Truby, Cátia Martins
BACKGROUND & AIMS: Rapid weight loss (WL) has been associated with a larger loss of fat free mass and a disproportional reduction in resting metabolic rate (RMR), but the evidence is inconclusive. We aimed to evaluate the impact of WL rate on body composition and compensatory mechanisms activated with WL (reduced RMR, increased exercise efficiency (ExEff) and appetite), both during negative and neutral energy balance (EB). METHODS: Thirty-five participants with obesity were randomized to lose a similar weight rapidly (4 weeks) or gradually (8 weeks), and afterwards to maintain it (4 weeks)...
April 25, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28473464/alterations-in-3-hydroxyisobutyrate-and-fgf21-metabolism-are-associated-with-protein-ingestion-induced-insulin-resistance
#9
Lydia-Ann L S Harris, Gordon I Smith, Bruce W Patterson, Raja S Ramaswamy, Adewole Okunade, Shannon C Kelly, Lane C Porter, Samuel Klein, Jun Yoshino, Bettina Mittendorfer
Systemic hyperaminoacidemia, induced by either intravenous amino acid infusion or protein ingestion, reduces insulin-stimulated glucose disposal. Studies in mice suggest that the valine metabolite 3-hydroxyisobutyrate (3-HIB), fibroblast growth factor 21 (FGF21), adiponectin, and non-esterified fatty acids (NEFA) may be involved in the amino acid-mediated insulin resistance. We therefore measured the rate of glucose disposal, and plasma 3-HIB, FGF21, adiponectin, and NEFA concentrations in 30 women during basal conditions and during a hyperinsulinemic-euglycemic clamp procedure (HECP) with and without concomitant ingestion of protein (n=15) or an amount of leucine that matched the amount in the protein (n=15)...
May 4, 2017: Diabetes
https://www.readbyqxmd.com/read/28472561/effect-of-steroid-and-serum-starvation-on-a-human-breast-cancer-adenocarcinoma-cell-line
#10
Maryam Nakhjavani, David J Stewart, Farshad H Shirazi
Breast cancer is one of the most frequent cancers in women. Although there are many treatment protocols for this disease, there are still many patients who do not respond satisfactorily to the current treatment protocols. A better understanding of the nature of the tumor cells might provide a guide for better therapeutic procedures. In this study, the effect of metabolic stress was assessed on the human adenocarcinoma MCF-7 cell line. The cells were seeded in culture plates and after reaching log phase of their growth, cells were exposed to phenol red free-media supplemented with 10%, 0...
May 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/28472118/effect-of-dietary-supplementation-with-lactobacillus-acidophilus-d2-csl-cect-4529-on-caecum-microbioma-and-productive-performance-in-broiler-chickens
#11
Alessandra De Cesare, Federico Sirri, Gerardo Manfreda, Paola Moniaci, Alberto Giardini, Marco Zampiga, Adele Meluzzi
This study examines the effects of the dietary supplementation with Lactobacillus acidophilus D2/CSL (CECT 4529) (LA) on productive performances, incidence of foot pad dermatitis and caecum microbioma in broiler chickens. A total of 1,100 one-day old male Ross 308 chicks were divided into 2 groups of 16 replicates with 25 birds each and reared from 1-41 d. One group was fed a basal diet (CON) and the other group the same diet supplemented with LA. Caecum contents were collected from 4 selected birds at day one and 5 selected birds at the end of the rearing period...
2017: PloS One
https://www.readbyqxmd.com/read/28470519/assaying-mitochondrial-respiration-as-an-indicator-of-cellular-metabolism-and-fitness
#12
Natalia Smolina, Joseph Bruton, Anna Kostareva, Thomas Sejersen
Mitochondrial respiration is the most important generator of cellular energy under most circumstances. It is a process of energy conversion of substrates into ATP. The Seahorse equipment allows measuring oxygen consumption rate (OCR) in living cells and estimates key parameters of mitochondrial respiration in real-time mode. Through use of mitochondrial inhibitors, four key mitochondrial respiration parameters can be measured: basal, ATP production-linked, maximal, and proton leak-linked OCR. This approach requires application of mitochondrial inhibitors-oligomycin to block ATP synthase, FCCP-to make the inner mitochondrial membrane permeable for protons and allow maximum electron flux through the electron transport chain, and rotenone and antimycin A-to inhibit complexes I and III, respectively...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28465607/methods-for-quantifying-adipose-tissue-insulin-resistance-in-overweight-obese-humans
#13
K W Ter Horst, K A van Galen, P W Gilijamse, A V Hartstra, P F de Groot, F M van der Valk, M T Ackermans, M Nieuwdorp, J A Romijn, M J Serlie
BACKGROUND/OBJECTIVES: Insulin resistance of adipose tissue is an important feature of obesity-related metabolic disease. However, assessment of lipolysis in humans requires labor-intensive and expensive methods, and there is limited validation of simplified measurement methods. We aimed to validate simplified methods for the quantification of adipose tissue insulin resistance against the assessment of insulin sensitivity of lipolysis suppression during hyperinsulinemic-euglycemic clamp studies...
May 3, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28465219/differences-in-body-composition-according-to-gross-motor-function-in-children-with-cerebral-palsy
#14
Ki Hyuk Sung, Chin Youb Chung, Kyoung Min Lee, Byung Chae Cho, Seung Jun Moon, Jaeyoung Kim, Moon Seok Park
OBJECTIVES: To assess differences in body composition according to gross motor function in children with cerebral palsy (CP) compared to healthy controls. DESIGN: Retrospective case control study. SETTING: Tertiary referral center for CP PARTICIPANTS: One hundred consecutive patients (mean age, 11.5 ± 4.2 years) with CP who were admitted for orthopedic surgery between May 2014 and March 2016 and 46 typically developing children (TDC, control group) were included...
April 29, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28446382/compensatory-mechanisms-activated-with-intermittent-energy-restriction-a-randomized-control-trial
#15
Sílvia Ribeiro Coutinho, Eline Holli Halset, Sigrid Gåsbakk, Jens F Rehfeld, Bård Kulseng, Helen Truby, Cátia Martins
BACKGROUND & AIMS: Strong compensatory responses, with reduced resting metabolic rate (RMR), increased exercise efficiency (ExEff) and appetite, are activated when weight loss (WL) is achieved with continuous energy restriction (CER), which try to restore energy balance. Intermittent energy restriction (IER), where short spells of energy restriction are interspaced by periods of habitual energy intake, may offer some protection in minimizing those responses. We aimed to compare the effect of IER versus CER on body composition and the compensatory responses induced by WL...
April 7, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28442472/functional-and-metabolomic-consequences-of-atp-dependent-potassium-channel-inactivation-in-human-islets
#16
Changhong Li, Amanda M Ackermann, Kara E Boodhansingh, Tricia R Bhatti, Chengyang Liu, Jonathan Schug, Nicolai Doliba, Bing Han, Karen E Cosgrove, Indraneel Banerjee, Franz M Matschinsky, Itzhak Nissim, Klaus H Kaestner, Ali Naji, N Scott Adzick, Mark J Dunne, Charles A Stanley, Diva D De León
Loss-of-function mutations of β-cell KATP channels cause the most severe form of congenital hyperinsulinism (KATPHI). KATPHI is characterized by fasting and protein-induced hypoglycemia that is unresponsive to medical therapy. For a better understanding of the pathophysiology of KATPHI, we examined cytosolic calcium, insulin secretion, oxygen consumption, and [U-(13)C]glucose metabolism in islets isolated from the pancreases of children with KATPHI who required pancreatectomy. Basal cytosolic calcium ([Ca(2+)] i ) and insulin secretion were higher in KATPHI islets compared to controls...
April 25, 2017: Diabetes
https://www.readbyqxmd.com/read/28441630/winter-to-summer-change-in-vitamin-d-status-reduces-systemic-inflammation-and-bioenergetic-activity-of-human-peripheral-blood-mononuclear-cells
#17
Emily K Calton, Kevin N Keane, Raquel Raizel, Jordan Rowlands, Mario J Soares, Philip Newsholme
BACKGROUND: Vitamin D status [25(OH)D] has recently been reported to be associated with altered cellular bioenergetic profiles of peripheral blood mononuclear cells (PBMCs). No study has tracked the seasonal variation of 25(OH)D and its putative influence on whole body energy metabolism, cellular bioenergetic profiles, inflammatory markers and clinical chemistry. MATERIAL AND METHODS: Whole body energy metabolism and substrate utilisation were measured by indirect calorimetry...
April 13, 2017: Redox Biology
https://www.readbyqxmd.com/read/28438763/the-performing-animal-causes-and-consequences-of-body-remodelling-and-metabolic-adjustments-in-red-knots-facing-contrasting-thermal-environments
#18
François Vézina, Alexander R Gerson, Christopher G Guglielmo, Theunis Piersma
Using red knots (Calidris canutus) as a model, we determined how changes in mass and metabolic activity of organs relate to temperature-induced variation in metabolic performance. In cold-acclimated birds, we expected large muscles and heart, improved oxidative capacity and lipid transport, and we predicted that this would explain variation in maximal thermogenic capacity (Msum). We also expected larger digestive and excretory organs in these birds and predicted that this would explain variation in basal metabolic rate (BMR)...
April 24, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28425060/positron-emission-tomography-assessment-of-cerebral-glucose-metabolic-rates-in-autism-spectrum-disorder-and-schizophrenia
#19
Serge A Mitelman, Marie-Cecile Bralet, M Mehmet Haznedar, Eric Hollander, Lina Shihabuddin, Erin A Hazlett, Monte S Buchsbaum
Several models have been proposed to account for observed overlaps in clinical features and genetic predisposition between schizophrenia and autism spectrum disorder. This study assessed similarities and differences in topological patterns and vectors of glucose metabolism in both disorders in reference to these models. Co-registered (18)fluorodeoxyglucose PET and MRI scans were obtained in 41 schizophrenia, 25 ASD, and 55 healthy control subjects. AFNI was used to map cortical and subcortical regions of interest...
April 19, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28405305/metabolic-costs-of-capital-energy-storage-in-a-small-bodied-ectotherm
#20
Blaine D Griffen
Reproduction is energetically financed using strategies that fall along a continuum from animals that rely on stored energy acquired prior to reproduction (i.e., capital breeders) to those that rely on energy acquired during reproduction (i.e., income breeders). Energy storage incurs a metabolic cost. However, previous studies suggest that this cost may be minimal for small-bodied ectotherms. Here I test this assumption. I use a laboratory feeding experiment with the European green crab Carcinus maenas to establish individuals with different amounts of energy storage...
April 2017: Ecology and Evolution
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