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Muscle protein intake

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https://www.readbyqxmd.com/read/29150719/preoperative-optimization-for-major-hepatic-resection
#1
REVIEW
Sarah Walcott-Sapp, Kevin G Billingsley
PURPOSE: Major hepatic resections are performed for primary hepatobiliary malignancies, metastatic disease, and benign lesions. Patients with chronic liver disease, including cirrhosis and steatosis, are at an elevated risk of malnutrition and impaired strength and exercise capacity, deficits which cause increased risk of postoperative complications and mortality. The aims of this report are to discuss the pathophysiology of changes in nutrition, exercise capacity, and muscle strength in patient populations likely to require major hepatectomy, and review recommendations for preoperative evaluation and optimization...
November 18, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29141628/gene-expression-analyses-of-the-small-intestine-of-pigs-in-the-ex-evacuation-zone-of-the-fukushima-daiichi-nuclear-power-plant
#2
Motoko Morimoto, Ayaka Kato, Jin Kobayashi, Kei Okuda, Yoshikazu Kuwahara, Yasushi Kino, Yasuyuki Abe, Tsutomu Sekine, Tomokazu Fukuda, Emiko Isogai, Manabu Fukumoto
BACKGROUND: After the accident at the Fukushima Daiichi Nuclear Power Plant, radioactive contaminants were released over a widespread area. Monitoring the biological effects of radiation exposure in animals in the ex-evacuation zone should be continued to understand the health effects of radiation exposure in humans. The present study aimed to clarify the effects of radiation by investigating whether there is any alteration in the morphology and gene expressions of immune molecules in the intestine of pigs and inobuta (wild boar and domestic pig hybrid) in the ex-evacuation zone in 2012...
November 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29130715/relationship-of-long-term-macronutrients-intake-on-anabolic-catabolic-hormones-in-female-elite-volleyball-players
#3
Juan Mielgo Ayuso, Michael C Zourdos, Aritz Urdampilleta, Julio Calleja González, Jesús Seco, Alfredo Córdova
INTRODUCTION: Specific macronutrient distribution and training can alter acute and chronic hormone behavior and, subsequently, sport performance. OBJECTIVE: The main aim was to examine relationships between dietary intake and anabolic/catabolic hormone response in elite female volleyball players during a 29-week season. METHODS: Twenty-two elite female volleyballers (26.4 ± 5.6 years; 178 ± 9 cm; 67.1 ± 7.5 kg) had dietary intake (seven-day dietary recall and food frequency questionnaire), blood concentration of anabolic/catabolic hormones concentration, physical performance, and body composition assessed at four time points: a) T1: baseline/pre-testing; b) T2: eleven weeks after T1; c) T3: ten weeks after T2; and d) T4: eight weeks after T3...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29124049/effect-of-personalized-nutritional-counseling-on-the-nutritional-status-of-hemodialysis-patients
#4
In-Young Jo, Woo Jeong Kim, Hyeong Cheon Park, Hoon Young Choi, Jung Eun Lee, Song Mi Lee
This study set out to evaluate the impact of personalized nutritional counseling (PNC) on the nutritional status of hemodialysis (HD) patients. This was an intervention study for 10 months at 2 hospitals. Anthropometric, biochemical, dietary, and body composition parameters were measured at baseline and after 3 and 6 months of PNC. A total of 42 patients (23 men and 19 women) were included. Intake of dietary protein, serum albumin, and cholesterol levels had increased significantly from baseline to month 6 (p < 0...
October 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/29111172/nutritional-counseling-with-or-without-systematic-use-of-oral-nutritional-supplements-in-head-and-neck-cancer-patients-undergoing-radiotherapy
#5
Emanuele Cereda, Silvia Cappello, Sara Colombo, Catherine Klersy, Ilaria Imarisio, Annalisa Turri, Marilisa Caraccia, Valeria Borioli, Teresa Monaco, Marco Benazzo, Paolo Pedrazzoli, Franco Corbella, Riccardo Caccialanza
BACKGROUND: To evaluate the benefit of oral nutritional supplements (ONS) in addition to nutritional counseling in head and neck cancer (HNC) patients undergoing radiotherapy (RT). METHODS: In a single-center, randomized, pragmatic, parallel-group controlled trial (ClinicalTrials.gov: NCT02055833; February 2014-August 2016), 159 newly diagnosed HNC patients suitable for to RT regardless of previous surgery and induction chemotherapy were randomly assigned to nutritional counseling in combination with ONS (N = 78) or without ONS (N = 81) from the start of RT and continuing for up to 3 months after its end...
October 27, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29103279/substitution-of-soybean-meal-with-detoxified-jatropha-curcas-kernel-meal-effects-on-performance-nutrient-utilization-and-meat-edibility-of-growing-pigs
#6
Yang Li, Ling Chen, Yuhui Zhang, Jianmei Wu, Yan Lin, Zhengfeng Fang, Lianqiang Che, Shengyu Xu, De Wu
Objective: The study was conducted to investigate the effects of replacing soybean meal (SBM) with different levels of detoxified Jatropha curcas kernel meal (DJM) in growing pig diets on growth performance, nutrients digestibility and meat edibility. Methods: A total of 144 pigs with initial body weight of 20.47 ± 1.44 kg, were randomly allocated to 6 dietary treatments with 6 replications per treatment and 4 pigs per replication for a period of 79 days. Six diets (DJM0, DJM15, DJM30, DJM45, DJM60, and DJM75) were formulated using DJM to replace 0, 15, 30, 45, 60, and 75% of SBM...
November 3, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/29101654/inflammatory-bowel-disease-effects-on-bone-and-mechanisms
#7
Francisco A Sylvester
Inflammatory bowel disease (IBD) is associated with decreased bone mass and alterations in bone geometry from the time of diagnosis, before anti-inflammatory therapy is instituted. Deficits in bone mass can persist despite absence of symptoms of active IBD. The effects of IBD on the skeleton are complex. Protein-calorie malnutrition, inactivity, hypogonadism, deficits in calcium intake and vitamin D consumption and synthesis, stunted growth in children, decreased skeletal muscle mass, and inflammation all likely play a role...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29092886/the-effects-of-dietary-protein-intake-on-appendicular-lean-mass-and-muscle-function-in-elderly-men-a-10-wk-randomized-controlled-trial
#8
Cameron J Mitchell, Amber M Milan, Sarah M Mitchell, Nina Zeng, Farha Ramzan, Pankaja Sharma, Scott O Knowles, Nicole C Roy, Anders Sjödin, Karl-Heinz Wagner, David Cameron-Smith
Background: The Recommended Daily Allowance (RDA) for protein intake in the adult population is widely promoted as 0.8 g · kg(-1) · d(-1) Aging may increase protein requirements, particularly to maintain muscle mass.Objective: We investigated whether controlled protein consumption at the current RDA or twice the RDA (2RDA) affects skeletal muscle mass and physical function in elderly men.Design: In this parallel-group randomized trial, 29 men aged >70 y [mean ± SD body mass index (in kg/m(2)): 28.3 ± 4...
November 1, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29083447/animal-derived-protein-consumption-is-associated-with-muscle-mass-and-strength-in-community-dwellers-results-from-the-milan-expo-survey
#9
F Landi, R Calvani, M Tosato, A M Martone, A Picca, E Ortolani, G Savera, S Salini, M Ramaschi, R Bernabei, E Marzetti
OBJECTIVES: Behavioral factors, including protein intake, influence the quantity and quality of skeletal muscle. The aim of this study was to explore the relationship between animal-derived protein intake and muscle mass and function in a large sample of unselected community-dwellers. MATERIAL AND METHODS: The VIP (Very Important Protein) study, conducted during Expo 2015 in Milan, was a population survey aimed at assessing major health metrics in a population outside of the research setting, with a special focus on the relation between animal-derived protein intake and muscle mass and function...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29083440/the-impact-of-dietary-protein-or-amino-acid-supplementation-on-muscle-mass-and-strength-in-elderly-people-individual-participant-data-and-meta-analysis-of-rct-s
#10
M Tieland, R Franssen, C Dullemeijer, C van Dronkelaar, H Kyung Kim, T Ispoglou, K Zhu, R L Prince, L J C van Loon, L C P G M de Groot
OBJECTIVES: Increasing protein or amino acid intake has been promoted as a promising strategy to increase muscle mass and strength in elderly people, however, long-term intervention studies show inconsistent findings. Therefore, we aim to determine the impact of protein or amino acid supplementation compared to placebo on muscle mass and strength in older adults by combining the results from published trials in a meta-analysis and pooled individual participant data analysis. DESIGN: We searched Medline and Cochrane databases and performed a meta-analysis on eight available trials on the effect of protein or amino acid supplementation on muscle mass and strength in older adults...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29071793/intramyocellular-lipid-droplet-size-rather-than-total-lipid-content-is-related-to-insulin-sensitivity-after-8-weeks-of-overfeeding
#11
Jeffrey D Covington, Darcy L Johannsen, Paul M Coen, David H Burk, Diana N Obanda, Philip J Ebenezer, Charmaine S Tam, Bret H Goodpaster, Eric Ravussin, Sudip Bajpeyi
OBJECTIVE: Intramyocellular lipid (IMCL) is inversely related to insulin sensitivity in sedentary populations, yet no prospective studies in humans have examined IMCL accumulation with overfeeding. METHODS: Twenty-nine males were overfed a high-fat diet (140% caloric intake, 44% from fat) for 8 weeks. Measures of IMCL, whole-body fat oxidation from a 24-hour metabolic chamber, muscle protein extracts, and muscle ceramide measures were obtained before and after the intervention...
October 25, 2017: Obesity
https://www.readbyqxmd.com/read/29070713/long-term-intake-of-a-high-protein-diet-affects-body-phenotype-metabolism-and-plasma-hormones-in-mice
#12
John P Vu, Leon Luong, William F Parsons, Suwan Oh, Daniel Sanford, Arielle Gabalski, John Rb Lighton, Joseph R Pisegna, Patrizia M Germano
Background: High-protein diets (HPDs) recently have been used to obtain body weight and fat mass loss and expand muscle mass. Several studies have documented that HPDs reduce appetite and food intake.Objective: Our goal was to determine the long-term effects of an HPD on body weight, energy intake and expenditure, and metabolic hormones.Methods: Male C57BL/6 mice (8 wk old) were fed either an HPD (60% of energy as protein) or a control diet (CD; 20% of energy as protein) for 12 wk. Body composition and food intakes were determined, and plasma hormone concentrations were measured in mice after being fed and after overnight feed deprivation at several time points...
October 25, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/29069356/glucocorticoid-receptor-signaling-impairs-protein-turnover-regulation-in-hypoxia-induced-muscle-atrophy-in-male-mice
#13
Chiel C de Theije, Annemie M W J Schols, Wouter H Lamers, Judith J M Ceelen, Rick H van Gorp, J J Rob Hermans, S Elonore Köhler, Ramon C J Langen
Hypoxemia may contribute to muscle wasting in conditions such as Chronic Obstructive Pulmonary Disease. Muscle wasting develops when muscle proteolysis exceeds protein synthesis. Hypoxia induces skeletal muscle atrophy in mice, which can in part be attributed to reduced food intake. We hypothesized that hypoxia elevates circulating corticosterone concentrations by reduced food intake and enhances GR signaling in muscle, which causes elevated protein degradation signaling and dysregulates protein synthesis signaling during hypoxia-induced muscle atrophy...
October 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/29066101/quality-of-meal-protein-determines-anabolic-response-in-older-adults
#14
Il-Young Kim, Yun-A Shin, Scott E Schutzler, Gohar Azhar, Robert R Wolfe, Arny A Ferrando
BACKGROUND & AIMS: It has been demonstrated that the relative content and profile of essential amino acids (EAA) play a determining role for stimulation of muscle protein synthesis (MPS) following intake of pure EAA or protein alone. METHODS: To test if this also holds in the context of mixed meals at both whole body and muscle levels, twelve older subjects (57-74 yrs) received primed continuous infusion of L-[ring-(2)H5]phenylalanine and L-[ring-(2)H2]tyrosine over a 9-h experimental period to determine whole body protein kinetics and MPS in the fasted state and following consumption of egg-based (EGG) or cereal-based (CEREAL) isocaloric and isonitrogenous breakfast...
October 6, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29059539/rosemary-distillation-residues-reduce-lipid-oxidation-increase-alpha-tocopherol-content-and-improve-fatty-acid-profile-of-lamb-meat
#15
Y Yagoubi, M Joy, G Ripoll, M Mahouachi, J R Bertolín, N Atti
The experiment studied the effects of rosemary distillation residues (RR) intake on lamb meat quality, oxidative stability and fatty acid (FA) profile. Barbarine lambs of Control group were fed 600g of hay, which was substituted by 600g of pellets containing 60 and 87% of RR for RR60 and RR87 groups; all animals received 600g of concentrate. Meat protein and fat content was similar for 3 treatments. Lipid oxidation was strongly reduced with RR diets. Both RR diets resulted in a higher α- tocopherol content in muscle...
October 12, 2017: Meat Science
https://www.readbyqxmd.com/read/29045496/at-same-leucine-intake-a-whey-plant-protein-blend-is-not-as-effective-as-whey-to-initiate-a-transient-post-prandial-muscle-anabolic-response-during-a-catabolic-state-in-mini-pigs
#16
Aurélia Revel, Marianne Jarzaguet, Marie-Agnès Peyron, Isabelle Papet, Noureddine Hafnaoui, Carole Migné, Laurent Mosoni, Sergio Polakof, Isabelle Savary-Auzeloux, Didier Rémond, Dominique Dardevet
BACKGROUND: Muscle atrophy has been explained by an anabolic resistance following food intake and an increase of dietary protein intake is recommended. To be optimal, a dietary protein has to be effective not only to initiate but also to prolong a muscle anabolic response in a catabolic state. To our knowledge, whether or not a dairy or a dairy/plant protein blend fulfills these criterions is unknown in a muscle wasting situation. OBJECTIVE: Our aim was, in a control and a catabolic state, to measure continuously muscle anabolism in term of intensity and duration in response to a meal containing casein (CAS), whey (WHEY) or a whey/ plant protein blend (BLEND) and to evaluate the best protein source to elicit the best post prandial anabolism according to the physio-pathological state...
2017: PloS One
https://www.readbyqxmd.com/read/29035968/the-final-word-on-nutritional-screening-and-assessment-in-older-persons
#17
Emanuele Cereda, Nicola Veronese, Riccardo Caccialanza
PURPOSE OF REVIEW: To provide an updated perspective of how nutritional screening and assessment in older persons should be performed and reasonably implemented in the near future. RECENT FINDINGS: Although nutritional screening and assessment should be fast and easy procedures, there is increasing evidence that more time should be dedicated to them. This is probably an answer to the claim to a medicine being more preventive than curative. Increasing interest is currently given to healthy aging and nutritional status is more likely to be addressed for its implications on functional status and disability...
October 14, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29035319/nutritional-therapy-in-liver-transplantation
#18
REVIEW
Ahmed Hammad, Toshimi Kaido, Vusal Aliyev, Claudia Mandato, Shinji Uemoto
Protein-energy malnourishment is commonly encountered in patients with end-stage liver disease who undergo liver transplantation. Malnutrition may further increase morbidity, mortality and costs in the post-transplantation setting. The importance of carefully assessing the nutritional status during the work-up of patients who are candidates for liver replacement is widely recognized. The metabolic abnormalities induced by liver failure render the conventional assessment of nutritional status to be challenging...
October 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29030561/oxidative-and-anti-oxidative-status-in-muscle-of-young-rats-in-response-to-six-protein-diets
#19
Jing Zhu, Xiao Li, Hao Qi, Zetong Gu, Shangxin Song, Xiangli Yang, Guanghong Zhou, Chunbao Li
We investigated the impact of six protein diets on oxidation and anti-oxidation status in the muscle of young rats. Rats were fed six protein diets for 14 days, including casein (control), and proteins isolated from soy, fish, chicken, pork and beef. Grx1, Trx1 and other oxidative metabolic indices in muscle were quantified. Compared with the casein diet, the soy protein diet had a similar oxidation level, but higher GSH and lower SOD activities. The chicken and fish protein groups had lower GSH and higher SOD activities, the pork protein group showed lower Grx1 levels than the casein group and the beef protein group showed the highest GSH, Grx1 and Trx1 levels as reflected by RT-PCR, Western blotting and immunohistochemistry analyses...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29016675/effect-of-small-sided-team-sport-training-and-protein-intake-on-muscle-mass-physical-function-and-markers-of-health-in-older-untrained-adults-a-randomized-trial
#20
RANDOMIZED CONTROLLED TRIAL
Jacob Vorup, Mogens Theisen Pedersen, Lena Kirchner Brahe, Pia Sandfeld Melcher, Joachim Meno Alstrøm, Jens Bangsbo
The effect of small-sided team sport training and protein intake on muscle mass, physical function, and adaptations important for health in untrained older adults was examined. Forty-eight untrained older (72±6 (±standard deviation, SD) years men and women were divided into either a team sport group ingesting a drink high in protein (18 g) immediately and 3 h after each training session (TS-HP, n = 13), a team sport group ingesting an isocaloric drink with low protein content (3 g; TS-LP, n = 18), or a control group continuing their normal activities (CON, n = 17)...
2017: PloS One
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