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Metabolic cart

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https://www.readbyqxmd.com/read/29902809/metabolic-power-in-team-sports-part-2-aerobic-and-anaerobic-energy-yields
#1
Cristian Osgnach, Pietro Enrico di Prampero
A previous approach to estimate the time course of instantaneous metabolic power and O2 consumption in team sports has been updated to assess also energy expenditure against air resistance and to identify walking and running separately. Whole match energy expenditure turned out ≈14% smaller than previously obtained, the fraction against the air resistance amounting to ≈2% of the total. Estimated net O2 consumption and overall energy expenditure are fairly close to those measured by means of a portable metabolic cart; the average difference, after a 45 min exercise period of variable intensity and mode, amounting to ≈10%...
June 14, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29888781/alterations-in-porcine-intrahepatic-sympathetic-nerves-after-bisphenol-a-administration
#2
Michael Thoene, Janusz Godlewski, Liliana Rytel, Ewa Dzika, Ewa Bejer-Oleńska, Joanna Wojtkiewicz
INTRODUCTION: Bisphenol A (BPA) is used in the chemical industry for manufacturing plastics which are used as food packaging. Data indicate that BPA is released from such products and is widely present in the environment and the human body. So far, the EFSA and the US FDA have determined "safe" BPA oral exposure levels, and a large amount of data indicates that BPA is harmful even at low-doses. Our previously performed analyses concerning BPA exposure demonstrated the impact of this substance on parasympathetic and peptidergic nerve fibers present within the liver...
June 11, 2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29870086/accuracy-of-a-portable-indirect-calorimeter-for-measuring-resting-energy-expenditure-in-individuals-with-cancer
#3
Sarah A Purcell, Sarah A Elliott, Aoife M Ryan, Michael B Sawyer, Carla M Prado
BACKGROUND: Determining optimal caloric intake for an individual with cancer is complicated by metabolic changes that occur, namely, alterations in resting energy expenditure (REE). There is currently no validated clinically available equation or tool to measure energy expenditure in these patients. METHODS: Patients with newly diagnosed solid tumors underwent REE assessments using the FitMate GS portable indirect calorimeter and reference VMax metabolic cart; both used canopy hoods...
June 5, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29867863/new-insights-on-steroid-biotechnology
#4
REVIEW
Lorena Fernández-Cabezón, Beatriz Galán, José L García
Nowadays steroid manufacturing occupies a prominent place in the pharmaceutical industry with an annual global market over $10 billion. The synthesis of steroidal active pharmaceutical ingredients (APIs) such as sex hormones (estrogens, androgens, and progestogens) and corticosteroids is currently performed by a combination of microbiological and chemical processes. Several mycobacterial strains capable of naturally metabolizing sterols (e.g., cholesterol, phytosterols) are used as biocatalysts to transform phytosterols into steroidal intermediates (synthons), which are subsequently used as key precursors to produce steroidal APIs in chemical processes...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29791443/traceability-reproducibility-and-wiki-exploration-for-%C3%A3-la-carte-reconstructions-of-genome-scale-metabolic-models
#5
Méziane Aite, Marie Chevallier, Clémence Frioux, Camille Trottier, Jeanne Got, María Paz Cortés, Sebastián N Mendoza, Grégory Carrier, Olivier Dameron, Nicolas Guillaudeux, Mauricio Latorre, Nicolás Loira, Gabriel V Markov, Alejandro Maass, Anne Siegel
Genome-scale metabolic models have become the tool of choice for the global analysis of microorganism metabolism, and their reconstruction has attained high standards of quality and reliability. Improvements in this area have been accompanied by the development of some major platforms and databases, and an explosion of individual bioinformatics methods. Consequently, many recent models result from "à la carte" pipelines, combining the use of platforms, individual tools and biological expertise to enhance the quality of the reconstruction...
May 23, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29788076/histological-and-molecular-adipose-tissue-changes-are-related-to-metabolic-syndrome-rather-than-lipodystrophy-in-hiv-infected-patients-a-cross-sectional-study
#6
Anne Langkilde, Juliette Tavenier, Allan Vestergaard Danielsen, Jesper Eugen-Olsen, Christina Therkildsen, Frank Krieger Jensen, Jens Henrik Henriksen, Henning Langberg, Torben Steiniche, Janne Petersen, Susanne Holck, Ove Andersen
Background: In HIV-infected patients on combination antiretroviral therapy (cART), lipodystrophy shares many similarities with metabolic syndrome, but only metabolic syndrome has objective classification criteria. We examined adipose tissue changes related to lipodystrophy and metabolic syndrome to clarify whether it may be acceptable to focus diagnosis on metabolic syndrome rather than lipodystrophy. Methods: A cross-sectional study of 60 HIV-infected men on cART and 15 healthy men...
May 17, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29788066/lipid-changes-and-tolerability-in-a-cohort-of-adult-hiv-infected-patients-who-switched-to-rilpivirine-emtricitabine-tenofovir-due-to-intolerance-to-previous-combination-art-the-pro-str-study
#7
A Ocampo, P Domingo, P Fernández, J Diz, J R Barberá, M A Sepúlveda, X Salgado, M Rodriguez, J Santos, M Yzusqui, M I Mayorga, J F Lorenzo, A Bahamonde, P Bachiller, E Martínez, N Rozas, C Torres, A Muñoz, A Casado, D Podzamczer
Objectives: To analyse lipid changes and tolerability in a cohort of HIV-infected patients who switched their antiretroviral regimens to rilpivirine/emtricitabine/tenofovir (RPV/FTC/TDF) in a real-world setting. Methods: PRO-STR is a 48 week prospective observational post-authorization study in 25 hospitals. Patients with a viral load <1000 copies/mL, receiving at least 12 months of combination ART (cART), with constant posology for at least the prior 3 months, were categorized according to previous treatment [NNRTI or ritonavir-boosted PI (PI/r)]...
May 16, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29754220/re-factoring-glycolytic-genes-for-targeted-engineering-of-catabolism-in-gram-negative-bacteria
#8
Alberto Sánchez-Pascuala, Pablo I Nikel, Víctor de Lorenzo
The Embden-Meyerhof-Parnas (EMP) pathway is widely accepted to be the biochemical standard of glucose catabolism. The well-characterized glycolytic route of Escherichia coli, based on the EMP catabolism, is an example of an intricate pathway in terms of genomic organization of the genes involved and patterns of gene expression and regulation. This intrinsic genetic and metabolic complexity renders it difficult to engineer glycolytic activities and transfer them onto other microbial cell factories, thus limiting the biotechnological potential of bacterial hosts that lack the route...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29739678/congruent-validity-and-inter-day-reliability-of-two-breath-by-breath-metabolic-carts-to-measure-resting-metabolic-rate-in-young-adults
#9
J M A Alcantara, G Sanchez-Delgado, B Martinez-Tellez, E Merchan-Ramirez, I Labayen, J R Ruiz
BACKGROUND & AIMS: Achieving high inter-day reliability is a key factor to analyze the magnitude of change in RMR, for instance after an intervention. The aims of this study were: i) to determine the congruent validity of RMR and respiratory quotient (RQ) with two breath by breath commercially available metabolic carts [CCM Express (CCM) and Ultima CardiO2 (MGU)]; and ii) to analyze the inter-day reliability of RMR and RQ measurements. METHODS & RESULTS: Seventeen young adults participated in the study...
March 30, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29707190/validity-of-multisensor-array-for-measuring-energy-expenditure-of-an-activity-bout-in-early-stroke-survivors
#10
Sharon Flora Kramer, Liam Johnson, Julie Bernhardt, Toby Cumming
Introduction. Stroke survivors use more energy than healthy people during activities such as walking, which has consequences for the way exercise is prescribed for stroke survivors. There is a need for wearable device that can validly measure energy expenditure (EE) of activity to inform exercise prescription early after stroke. We aimed to determine the validity and reliability of the SenseWear-Armband (SWA) to measure EE and step-counts during activity <1 month after stroke. Materials and Methods. EE was measured using the SWA and metabolic cart and steps-counts were measured using the SWA and direct observation...
2018: Stroke Research and Treatment
https://www.readbyqxmd.com/read/29702998/return-to-health-effect-of-modern-combined-antiretroviral-therapy-potentially-predisposes-hiv-patients-to-hepatic-steatosis
#11
Raphael Mohr, Christoph Boesecke, Leona Dold, Robert Schierwagen, Carolynne Schwarze-Zander, Jan-Christian Wasmuth, Insa Weisensee, Jürgen Kurt Rockstroh, Jonel Trebicka
Prevalence and risk factors for hepatic steatosis (HS) in the human immunodeficiency virus (HIV)-positive population of western countries are controversially discussed and potentially confounded by coinfection with viral hepatitis. Significant HS (more than 10% of hepatocytes) can be accurately assessed using controlled attenuation parameter (CAP) determination. Aim of this study was to assess prevalence and factors associated with significant HS in HIV monoinfected patients.A total of 364 HIV-infected patients (289 monoinfected) were included in this prospective, cross-sectional study...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29678696/sarcopenic-obesity-revisited-insights-from-the-mr-and-ms-os-cohort
#12
Jean Woo, Jason Leung
OBJECTIVES: Following the concept of a metabolic load-capacity model, we propose the use of appendicular skeletal muscle mass (ASM) to total body fat (TBF) ratio in predicting 4-year physical limitations, physical performance measures, 6-year incident diabetes and cardiovascular diseases, and 12-year mortality. DESIGN: Cross-sectional and prospective cohort study. SETTING AND PARTICIPANTS: 4000 men and women aged 65 years and older living in the community...
April 17, 2018: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/29658183/determining-the-accuracy-and-reliability-of-indirect-calorimeters-utilizing-the-methanol-combustion-technique
#13
Sepideh Kaviani, Dale A Schoeller, Eric Ravussin, Edward L Melanson, Sarah T Henes, Lara R Dugas, Ronald E Dechert, George Mitri, Paul F M Schoffelen, Pim Gubbels, Asa Tornberg, Stephen Garland, Marco Akkermans, Jamie A Cooper
BACKGROUND: Several indirect calorimetry (IC) instruments are commercially available, but comparative validity and reliability data are lacking. Existing data are limited by inconsistencies in protocols, subject characteristics, or single-instrument validation comparisons. The aim of this study was to compare accuracy and reliability of metabolic carts using methanol combustion as the cross-laboratory criterion. METHODS: Eight 20-minute methanol burn trials were completed on 12 metabolic carts...
April 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29568682/bombesin-receptor-subtype-3-expressing-neurons-regulate-energy-homeostasis-through-a-novel-neuronal-pathway-in-the-hypothalamus
#14
Minoru Maruyama, Natsu Hotta, Yasunori Nio, Kenichi Hamagami, Toshimi Nagi, Masaaki Funata, Junichi Sakamoto, Masanori Nakakariya, Nobuyuki Amano, Mayumi Nishida, Tomohiro Okawa, Yasuyoshi Arikawa, Shinobu Sasaki, Shizuo Kasai, Yasutaka Nagisa, Yugo Habata, Masaaki Mori
Objectives: Bombesin receptor subtype-3 (BRS-3) has been suggested to play a potential role in energy homeostasis. However, the physiological mechanism of BRS-3 on energy homeostasis remains unknown. Thus, we investigated the BRS-3-mediated neuronal pathway involved in food intake and energy expenditure. Materials and Methods: Expression of BRS-3 in the rat brain was histologically examined. The BRS-3 neurons activated by refeeding-induced satiety or a BRS-3 agonist were identified by c-Fos immunostaining...
January 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29558425/the-influence-of-high-and-low-doses-of-bisphenol-a-bpa-on-the-enteric-nervous-system-of-the-porcine-ileum
#15
Kamila Szymanska, Krystyna Makowska, Slawomir Gonkowski
Bisphenol A, used in the production of plastic, is able to leach from containers into food and cause multidirectional adverse effects in living organisms, including neurodegeneration and metabolic disorders. Knowledge of the impact of BPA on enteric neurons is practically non-existent. The destination of this study was to investigate the influence of BPA at a specific dose (0.05 mg/kg body weight/day) and at a dose ten times higher (0.5 mg/kg body weight/day), given for 28 days, on the porcine ileum. The influence of BPA on enteric neuron immunoreactive to selected neuronal active substances, including substance P (SP), vasoactive intestinal polypeptide (VIP), galanin (GAL), vesicular acetylcholine transporter (VAChT-used here as a marker of cholinergic neurons), and cocaine- and amphetamine-regulated transcript peptide (CART), was studied by the double immunofluorescence method...
March 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29483948/prevalence-and-predictors-of-metabolic-syndrome-among-people-living-with-human-immunodeficiency-virus-plwhiv
#16
Dula Dessalegn Bosho, Lemessa Dube, Teshale Ayele Mega, Dawit Abera Adare, Mikyas Gashaw Tesfaye, Tesfahun Chanie Eshetie
Background: Use of combination antiretroviral therapy (cART) has led to significant reductions in morbidity and mortality. However, there is a growing concern about metabolic syndromes (MS), among patients receiving cART. Despite this fact, there is limited evidence for the prevalence of the MS among HIV-infected persons receiving cART in developing countries, particularly Ethiopia. Objective: To determine the prevalence and predictors of MS among people living with HIV/AIDS in Jimma health centre, Jimma Zone south west Ethiopia...
2018: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/29482352/dolutegravir-plus-rilpivirine-as-a-switch-option-in-cart-experienced-patients-96-week-data
#17
Amedeo Ferdinando Capetti, Maria Vittoria Cossu, Gaetana Sterrantino, Giorgio Barbarini, Simona Di Giambenedetto, Giuseppe Vittorio De Socio, GianCarlo Orofino, Antonio Di Biagio, Benedetto M Celesia, Stefano Rusconi, Barbara Argenteri, Giuliano Rizzardini
BACKGROUND: Data from clinical studies confirm the efficacy of switching to dolutegravir (DTG) plus rilpivirine (RPV) in selected patients. OBJECTIVE: The primary objective is to report the 96-week virological suppression in our cohort, assessing the durability of this strategy in complicated situations. The secondary objective is to describe the safety and metabolic profile. METHODS: All patients who had switched to DTG plus RPV between October 1, 2014, and September 30, 2015, were analyzed using a retrospective-prospective design, approved by ethics committees...
February 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29474262/longitudinal-changes-in-body-composition-by-dual-energy-x-ray-absorptiometry-among-perinatally-hiv-infected-and-hiv-uninfected-youth-increased-risk-of-adiposity-among-hiv-infected-female-youth
#18
Tanvi S Sharma, Gabriel Somarriba, Kristopher L Arheart, Daniela Neri, M Sunil Mathew, Patricia L Graham, Gwendolyn B Scott, Tracie L Miller
BACKGROUND: Combination antiretroviral therapy (cART) has allowed youth with perinatal HIV infection (PHIV+) to live into adulthood, but many youth may experience metabolic and body composition changes that predispose to greater cardiovascular disease (CVD) risk. This longitudinal study evaluated changes in body composition measured by dual x-ray absorptiometry (DXA) in a cohort of PHIV+ youth compared to HIV- controls over a 7-year period. METHODS: PHIV+ youth and HIV- controls were prospectively enrolled in a single-site study to assess nutrition and CVD risk...
February 22, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29427522/glucosensing-capacity-of-rainbow-trout-telencephalon
#19
C Otero-Rodiño, A Rocha, R Álvarez-Otero, R M Ceinos, M A López-Patiño, J M Míguez, J M Cerdá-Reverter, J L Soengas
To assess the hypothesis of glucosensing systems present in fish telencephalon, we first demonstrated in rainbow trout, by in situ hybridisation, the presence of glucokinase (GK). Then, we assessed the response of glucosensing markers in rainbow trout telencephalon 6 hours after i.c.v. treatment with glucose or 2-deoxyglucose (inducing glucoprivation). We evaluated the response of parameters related to the mechanisms dependent on GK, liver X receptor (LXR), mitochondrial activity, sweet taste receptor and sodium-glucose linked transporter 1 (SGLT-1)...
March 2018: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29412865/interactive-potential-of-genetic-polymorphism-in-xenobiotic-metabolising-and-dna-repair-genes-for-predicting-lung-cancer-predisposition-and-overall-survival-in-north-indians
#20
Apurva Bhardwaj, Charu Bahl, Siddharth Sharma, Navneet Singh, Digamber Behera
INTRODUCTION: Cancer, a multi-step, multifactorial and multi-gene disease, not only damages the genomic integrity of the cell but also hinders the DNA repair mechanisms of the body. Gene-gene and gene environment interactions amongst the genetic polymorphisms together modulate the susceptibility towards a cancer. We have studied the high order gene interactions between the genetic polymorphism of detoxifying genes (CYP1A1, Ahr, XRCC and GST1) that play a key role in the metabolism of the xenobiotics and have been proved to be prognostic markers for lung cancer METHODS: 237 cases and 250 controls have been genotyped using PCR-RFLP technique...
February 2018: Mutation Research
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