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https://www.readbyqxmd.com/read/29451419/physical-exercise-nutrition-and-hormones-three-pillars-to-fight-sarcopenia
#1
Paolo Sgrò, Massimiliano Sansone, Andrea Sansone, Stefania Sabatini, Paolo Borrione, Francesco Romanelli, Luigi Di Luigi
BACKGROUND: Sarcopenia is a pathophysiological condition diffused in elderly people; it represents a social issue due to the longer life expectancy and the growing aging population. It affects negatively quality of life and it represents a risk factor for other pathologies, such as diabetes, cardiovascular disease, and obesity. No silver bullet exists to hinder sarcopenia, but it may be counteracted by physical exercise, nutrition, and a proper endocrine milieu. Indeed, we aim to analyze the scientific literature to give to clinician effective advices to counteract sarcopenia...
February 16, 2018: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/29440149/cancer-cachexia-rationale-for-the-menac-multimodal-exercise-nutrition-and-anti-inflammatory-medication-for-cachexia-trial
#2
REVIEW
Tora S Solheim, Barry J A Laird, Trude R Balstad, Asta Bye, Guro Stene, Vickie Baracos, Florian Strasser, Gareth Griffiths, Matthew Maddocks, Marie Fallon, Stein Kaasa, Kenneth Fearon
Cancer cachexia is a multifactorial syndrome characterised by an ongoing loss of skeletal muscle mass that cannot be fully reversed by conventional nutritional support alone. Cachexia has a high prevalence in cancer and a major impact on patient physical function, morbidity and mortality. Despite the consequences of cachexia, there is no licensed treatment for cachexia and no accepted standard of care. It has been argued that the multifactorial genesis of cachexia lends itself to therapeutic targeting through a multimodal treatment...
February 9, 2018: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/29431534/organisation-of-dietary-control-for-nutrition-training-intervention-involving-periodized-carbohydrate-cho-availability-and-ketogenic-low-cho-high-fat-lchf-diet
#3
Joanne G Mirtschin, Sara F Forbes, Louise E Cato, Ida A Heikura, Nicki Strobel, Rebecca Hall, Louise M Burke
We describe the implementation of a 3-week dietary intervention in elite race walkers at the Australian Institute of Sport, with a focus on the resources and strategies needed to accomplish a complex study of this scale. Interventions involved: traditional guidelines of high carbohydrate (CHO) availability for all training sessions (HCHO); a periodized CHO diet which integrated sessions with low CHO and high CHO availability within the same total CHO intake, and a ketogenic low-CHO high-fat diet (LCHF). 7-day menus and recipes were constructed for a communal eating setting to meet nutritional goals as well as individualized food preferences and special needs...
February 12, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29409733/nutrition-and-bone-density-in-boys-with-autism-spectrum-disorder
#4
Ann M Neumeyer, Natalia Cano Sokoloff, Erin I McDonnell, Eric A Macklin, Christopher J McDougle, Tara M Holmes, Jane L Hubbard, Madhusmita Misra
BACKGROUND: Boys with autism spectrum disorder (ASD) have lower bone mineral density (BMD) than typically developing controls. Differences in diet and exercise may contribute to low BMD. OBJECTIVE: Our aim was to examine macro- and micronutrient intakes and self-reported physical activity in boys with ASD compared to TDC and the relationship of these variables with BMD. DESIGN/METHODS: We conducted a cross-sectional study of 49 boys (25 ASD, 24 typically developing controls) assessed for 3-day food records and physical activity records, and BMD of the whole body less head, hip, and spine using dual-energy x-ray absorptiometry...
February 3, 2018: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/29392087/role-of-dietary-protein-and-muscular-fitness-on-longevity-and-aging
#5
REVIEW
Barbara Strasser, Konstantinos Volaklis, Dietmar Fuchs, Martin Burtscher
Muscle atrophy is an unfortunate effect of aging and many diseases and can compromise physical function and impair vital metabolic processes. Low levels of muscular fitness together with insufficient dietary intake are major risk factors for illness and mortality from all causes. Ultimately, muscle wasting contributes significantly to weakness, disability, increased hospitalization, immobility, and loss of independence. However, the extent of muscle wasting differs greatly between individuals due to differences in the aging process per se as well as physical activity levels...
February 2018: Aging and Disease
https://www.readbyqxmd.com/read/29389741/defining-anabolic-resistance-implications-for-delivery-of-clinical-care-nutrition
#6
Robert W Morton, Daniel A Traylor, Peter J M Weijs, Stuart M Phillips
PURPOSE OF REVIEW: Skeletal muscle mass with aging, during critical care, and following critical care is a determinant of quality of life and survival. In this review, we discuss the mechanisms that underpin skeletal muscle atrophy and recommendations to offset skeletal muscle atrophy with aging and during, as well as following, critical care. RECENT FINDINGS: Anabolic resistance is responsible, in part, for skeletal muscle atrophy with aging, muscle disuse, and during disease states...
January 31, 2018: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/29380851/effects-of-milk-proteins-supplementation-in-older-adults-undergoing-resistance-training-a-meta-analysis-of-randomized-control-trials
#7
K Hidayat, G-C Chen, Y Wang, Z Zhang, X Dai, I M Y Szeto, L-Q Qin
BACKGROUND: Older adults experience age-related physiological changes that affect body weight and body composition. In general, nutrition and exercise have been identified as potent stimulators of protein synthesis in skeletal muscle. Milk proteins are excellent sources of all the essential amino acids and may represent an ideal protein source to promote muscle anabolism in older adults undergoing resistance training. However, several randomized control trials (RCTs) have yielded mixed results on the effects of milk proteins supplementation in combination with resistance training on body weight and composition...
2018: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29371857/nutritional-strategies-of-high-level-natural-bodybuilders-during-competition-preparation
#8
A J Chappell, T Simper, M E Barker
Background: Competitive bodybuilders employ a combination of resistance training, cardiovascular exercise, calorie reduction, supplementation regimes and peaking strategies in order to lose fat mass and maintain fat free mass. Although recommendations exist for contest preparation, applied research is limited and data on the contest preparation regimes of bodybuilders are restricted to case studies or small cohorts. Moreover, the influence of different nutritional strategies on competitive outcome is unknown...
2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29368185/assessing-the-role-of-muscle-protein-breakdown-in-response-to-nutrition-and-exercise-in-humans
#9
REVIEW
Kevin D Tipton, D Lee Hamilton, Iain J Gallagher
Muscle protein breakdown (MPB) is an important metabolic component of muscle remodeling, adaptation to training, and increasing muscle mass. Degradation of muscle proteins occurs via the integration of three main systems-autophagy and the calpain and ubiquitin-proteasome systems. These systems do not operate independently, and the regulation is complex. Complete degradation of a protein requires some combination of the systems. Determination of MPB in humans is technically challenging, leading to a relative dearth of information...
January 24, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29344381/impact-of-nutritional-indices-on-mortality-in-patients-with-heart-failure
#10
Akiomi Yoshihisa, Yuki Kanno, Shunsuke Watanabe, Tetsuro Yokokawa, Satoshi Abe, Makiko Miyata, Takamasa Sato, Satoshi Suzuki, Masayoshi Oikawa, Atsushi Kobayashi, Takayoshi Yamaki, Hiroyuki Kunii, Kazuhiko Nakazato, Hitoshi Suzuki, Takafumi Ishida, Yasuchika Takeishi
Background: Malnutrition is a common condition that is associated with adverse prognosis in patients with heart failure (HF). The Prognostic Nutritional Index (PNI), Geriatric Nutritional Risk Index (GNRI) and controlling nutritional status (CONUT) have all been used as objective indices for evaluating nutritional status. We aimed to clarify the relationship between these nutritional indices and the parameters of inflammatory markers, cardiac function and exercise capacity, as well as to compare the ability of these indexes for predicting mortality...
2018: Open Heart
https://www.readbyqxmd.com/read/29327644/evaluation-of-supervised-multimodal-prehabilitation-programme-in-cancer-patients-undergoing-colorectal-resection-a-randomized-control-trial
#11
Guillaume Bousquet-Dion, Rashami Awasthi, Sarah-Ève Loiselle, Enrico M Minnella, Ramanakumar V Agnihotram, Andreas Bergdahl, Francesco Carli, Celena Scheede-Bergdahl
BACKGROUND: Prehabilitation has been previously shown to be more effective in enhancing postoperative functional capacity than rehabilitation alone. The purpose of this study was to determine whether a weekly supervised exercise session could provide further benefit to our current prehabilition program, when comparing to standard post-surgical rehabilitation. METHODS: A parallel-arm single-blind randomized control trial was conducted in patients scheduled for non-metastatic colorectal cancer resection...
January 12, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29326089/associations-between-markers-of-oxidative-stress-skeletal-muscle-mass-and-function-and-to-the-influence-of-resistance-exercise-training-in-older-adults
#12
Ciriaco Carru, Mariasole Da Boit, Panagiotis Paliogiannis, Angelo Zinellu, Salvatore Sotgia, Rachael Sibson, Judith R Meakin, Richard M Aspden, Arduino A Mangoni, Stuart R Gray
BACKGROUND: Oxidative stress (OS) negatively affects skeletal muscle homeostasis in experimental models of ageing. However, little is known about the associations between circulating OS markers and parameters of muscle mass and function, and their responses to exercise training, in humans. METHODS: Maximal voluntary contraction (MVC, primary outcome) and isokinetic torque of the knee extensors at 30° s-1 (MIT), muscle cross-sectional area (MCSA) and quality (MQ, secondary outcomes), and plasma concentrations of malondialdehyde (MDA, pro-OS), homocysteine (HCY, pro-OS), taurine (TAU, anti-OS), and protein sulphydryl groups (PSH, anti-OS) were measured in 27 healthy older males and 23 females at baseline and after an 18-week resistance exercise program, with or without a nutritional intervention (fish oil vs...
January 8, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29321394/-chrono-nutrition-and-n-3-polyunsaturated-fatty-acid
#13
Shigenobu Shibata, Akiko Furutani
Circadian clock system has been widely maintained in many spices from prokaryote to mammals. "Circadian" means "approximately day" in Latin, thus circadian rhythm means about 24 hour rhythms. The earth revolves once every 24 hours, and our circadian system has been developed for adjusting to this 24 hour cycles, to get sun light information for getting their foods or for alive in birds or mammals. We have two different circadian systems so-called main oscillator located in the suprachiasmatic nucleus (SCN) of the hypothalamus, and local oscillator located in the various peripheral organ tissues such as liver, kidney and skeletal muscle...
2018: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
https://www.readbyqxmd.com/read/29300423/effects-of-low-dose-dairy-protein-plus-micronutrient-supplementation-during-resistance-exercise-on-muscle-mass-and-physical-performance-in-older-adults-a-randomized-controlled-trial
#14
S Seino, K Sumi, M Narita, Y Yokoyama, K Ashida, A Kitamura, S Shinkai
OBJECTIVES: To investigate whether supplementation with low-dose dairy protein plus micronutrients augments the effects of resistance exercise (RE) on muscle mass and physical performance compared with RE alone among older adults. DESIGN: Randomized controlled trial. SETTING: Tokyo, Japan. PARTICIPANTS: Eighty-two community-dwelling older adults (mean age, 73.5 years) were randomly allocated to an RE plus dairy protein and micronutrient supplementation group or an RE only group (n = 41 each)...
2018: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29295548/potential-role-of-amino-acid-protein-nutrition-and-exercise-in-serum-albumin-redox-state
#15
REVIEW
Yasuaki Wada, Yasuhiro Takeda, Masashi Kuwahata
Albumin is the major protein in the serum of mammals. It is synthesized exclusively in the liver, before being secreted into the circulation. Similar to skeletal muscle protein, albumin synthesis is stimulated by dietary amino acids and proteins as well as exercise. Albumin has three isoforms based on the redox states of the free cysteine residue at position 34. The redox state of serum albumin has long been extensively investigated in terms of oxidative stress-related chronic diseases, with the redox state of serum albumin having been regarded as a marker of systemic oxidative stress...
December 24, 2017: Nutrients
https://www.readbyqxmd.com/read/29289514/nutrient-excess-and-autophagic-deficiency-explaining-metabolic-diseases-in-obesity
#16
REVIEW
Gustav van Niekerk, André duToit, Ben Loos, Anna-Mart Engelbrecht
Over-nutrition and a sedentary lifestyle are the driving forces behind the development of metabolic diseases. Conversely, caloric restriction and exercise have proven to be the most effective strategies in combating metabolic diseases. Interestingly, exercise and caloric restriction share a common feature: both represent a potent mechanism for upregulating autophagy. Autophagy is rapidly induced by nutrient deprivation, and conversely, inactivated by amino acids as well as growth factors (e.g. insulin). Here, we review evidence demonstrating that autophagy may indeed be attenuated in metabolic tissue such as liver, muscle, and adipose, in the context of obesity...
December 28, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29260401/the-impact-of-post-resistance-exercise-protein-consumption-on-subsequent-appetite-and-daily-energy-intake-of-sarcopenic-older-men-a-pilot-study
#17
Mathieu Maltais, Morgane Du Bois-Dit-Bonclaude, Taha Amamou, Eléonor Riesco, Isabelle J Dionne
BACKGROUND: Because of its satiating effect, it has been widely purported that a high-protein beverage may reduce subsequent appetite and food intake in healthy aged individuals, therefore annihilating any supplemental effect. AIMS: The goal of the study was to examine the impact of a post-exercise protein supplement from dairy products in the hours following resistance exercise on subsequent energy intake, sensation of hunger, appetite and satiety in sarcopenic older men...
December 19, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29232263/can-the-critically-ill-patient-generate-sufficient-energy-to-facilitate-exercise-in-the-icu
#18
Danielle E Bear, Selina M Parry, Zudin A Puthucheary
PURPOSE OF REVIEW: Trials of physical rehabilitation post critical illness have yet to deliver improved health-related quality of life in critical illness survivors. Muscle mass and strength are lost rapidly in critical illness and a proportion of patients continue to do so resulting in increased mortality and functional disability. Addressing this issue is therefore fundamental for recovery from critical illness. RECENT FINDINGS: Altered mitochondrial function occurs in the critically ill and is likely to result in decreased adenosine tri-phosphate (ATP) production...
March 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29226282/feasibility-of-conducting-a-6-month-long-home-based-exercise-program-with-protein-supplementation-in-elderly-community-dwelling-individuals-with-heart-failure
#19
Masil George, Gohar Azhar, Amanda Pangle, Eric Peeler, Amanda Dawson, Robert Coker, Kellie S Coleman, Amy Schrader, Jeanne Wei
Objective: Cardiac cachexia is a condition associated with heart failure, particularly in the elderly, and is characterized by loss of muscle mass with or without the loss of fat mass. Approximately 15% of elderly heart failure patients will eventually develop cardiac cachexia; such a diagnosis is closely associated with high morbidity and increased mortality. While the mechanism(s) involved in the progression of cardiac cachexia is incompletely established, certain factors appear to be contributory...
2017: Journal of Physiotherapy & Physical Rehabilitation
https://www.readbyqxmd.com/read/29203713/therapeutic-potential-of-heat-shock-protein-induction-for-muscular-dystrophy-and-other-muscle-wasting-conditions
#20
REVIEW
Savant S Thakur, Kristy Swiderski, James G Ryall, Gordon S Lynch
Duchenne muscular dystrophy is the most common and severe of the muscular dystrophies, a group of inherited myopathies caused by different genetic mutations leading to aberrant expression or complete absence of cytoskeletal proteins. Dystrophic muscles are prone to injury, and regenerate poorly after damage. Remorseless cycles of muscle fibre breakdown and incomplete repair lead to progressive and severe muscle wasting, weakness and premature death. Many other conditions are similarly characterized by muscle wasting, including sarcopenia, cancer cachexia, sepsis, denervation, burns, and chronic obstructive pulmonary disease...
January 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
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