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Jäger R, Abou Sawan S, Purpura M, Grube B, Röske Y, De Costa P, Chong PW. Proprietary alpha-amylase inhibitor formulation from white kidney bean (Phaseolus vulgaris L.) promotes weight and fat loss: a 12-week, double-blind, placebo-controlled, randomized trial. Sci Rep 2024; 14:12685. [PMID: 38830962 PMCID: PMC11148185 DOI: 10.1038/s41598-024-63443-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024] Open
Abstract
White kidney bean (Phaseolus vulgaris L.) extracts can aid weight management by reducing calorie intake from complex carbohydrates through alpha-amylase inhibition. We examined the impact of a proprietary aqueous extract from whole dried white kidney beans standardized by its alpha-amylase inhibitor activity (Phase 2 white kidney bean extract (WKBE)) on weight management in subjects with overweight and moderate obesity. In a randomized, double-blind, placebo-controlled fashion, 81 participants completed the study and ingested either a high dose of Phase 2 (1000 mg, WKBE HIGH), a low dose (700 mg, WKBE LOW), or a matching placebo (microcrystalline cellulose, PLA) three times a day, 30 min before meals, for 12 weeks during a calorie restricted diet. In a dose-dependent manner, Phase 2 significantly reduced body weight, fat mass, BMI, waist, hip and in the WKBE HIGH group thigh circumference. Phase 2 is an effective and safe supplement aiding weight and fat loss. ClinicalTrials.gov identifier NCT02930668.
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Prado CM, Batsis JA, Donini LM, Gonzalez MC, Siervo M. Sarcopenic obesity in older adults: a clinical overview. Nat Rev Endocrinol 2024; 20:261-277. [PMID: 38321142 DOI: 10.1038/s41574-023-00943-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/15/2023] [Indexed: 02/08/2024]
Abstract
Sarcopenic obesity is characterized by a concurrent decline in muscle mass and function, along with increased adipose tissue. Sarcopenic obesity is a growing concern in older adults owing to significant health consequences, including implications for mortality, comorbidities and risk of developing geriatric syndromes. A 2022 consensus statement established a new definition and diagnostic criteria for sarcopenic obesity. The pathophysiology of this condition involves a complex interplay between muscle, adipose tissue, hormonal changes, inflammation, oxidative stress and lifestyle factors, among others. Sarcopenic obesity is treated with a range of management approaches, such as lifestyle interventions, exercise, nutrition and medical therapies. Emerging therapies that were developed for treating other conditions may be relevant to sarcopenic obesity, including novel pharmacological agents and personalized approaches such as precision medicine. In this Review, we synthesize the current knowledge of the clinical importance of sarcopenic obesity, its assessment and diagnosis, along with current and emerging management strategies.
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Affiliation(s)
- Carla M Prado
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada.
| | - John A Batsis
- Division of Geriatric Medicine, School of Medicine, and Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Lorenzo M Donini
- Department of Experimental Medicine, Sapienza University, Rome, Italy
| | - M Cristina Gonzalez
- Postgraduate Program in Nutrition and Food, Pelotas, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Mario Siervo
- School of Population Health, Curtin University, Perth, Western Australia, Australia
- Curtin Dementia Centre of Excellence, enAble Institute, Curtin University, Perth, Western Australia, Australia
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El-Aidie SAM, Khalifa GSA. Innovative applications of whey protein for sustainable dairy industry: Environmental and technological perspectives-A comprehensive review. Compr Rev Food Sci Food Saf 2024; 23:e13319. [PMID: 38506186 DOI: 10.1111/1541-4337.13319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 02/16/2024] [Accepted: 02/24/2024] [Indexed: 03/21/2024]
Abstract
Industrial waste management is critical to maintaining environmental sustainability. The dairy industry (DI), as one of the major consumers of freshwater, generates substantial whey dairy effluent, which is notably rich in organic matter and thus a significant pollutant. The effluent represents environmental risks due to its high biological and chemical oxygen demands. Today, stringent government regulations, environmental laws, and heightened consumer health awareness are compelling industries to responsibly manage and reuse whey waste. Therefore, this study investigates sustainable solutions for efficiently utilizing DI waste. Employing a systematic review approach, the research reveals that innovative technologies enable the creation of renewable, high-quality, value-added food products from dairy byproducts. These innovations offer promising sustainable waste management strategies for the dairy sector, aligning with economic interests. The main objectives of the study deal with, (a) assessing the environmental impact of dairy sector waste, (b) exploring the multifaceted nutritional and health benefits inherent in cheese whey, and (c) investigating diverse biotechnological approaches to fashion value-added, eco-friendly dairy whey-based products for potential integration into various food products, and thus fostering economic sustainability. Finally, the implications of this work span theoretical considerations, practical applications, and outline future research pathways crucial for advancing the sustainable management of dairy waste.
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Affiliation(s)
- Safaa A M El-Aidie
- Dairy Technology Department, Animal Production Research Institute, Agricultural Research Centre, Giza, Egypt
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Santangeli E, Abbati C, Chen R, Di Carlo A, Leoni S, Piscaglia F, Ferri S. Pathophysiological-Based Nutritional Interventions in Cirrhotic Patients with Sarcopenic Obesity: A State-of-the-Art Narrative Review. Nutrients 2024; 16:427. [PMID: 38337711 PMCID: PMC10857546 DOI: 10.3390/nu16030427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
In recent decades, following the spread of obesity, metabolic dysfunction has come to represent the leading cause of liver disease. The classical clinical presentation of the cirrhotic patient has, therefore, greatly changed, with a dramatic increase in subjects who appear overweight or obese. Due to an obesogenic lifestyle (lack of physical activity and overall malnutrition, with an excess of caloric intake together with a deficit of proteins and micronutrients), these patients frequently develop a complex clinical condition defined as sarcopenic obesity (SO). The interplay between cirrhosis and SO lies in the sharing of multiple pathogenetic mechanisms, including malnutrition/malabsorption, chronic inflammation, hyperammonemia and insulin resistance. The presence of SO worsens the outcome of cirrhotic patients, affecting overall morbidity and mortality. International nutrition and liver diseases societies strongly agree on recommending the use of food as an integral part of the healing process in the comprehensive management of these patients, including a reduction in caloric intake, protein and micronutrient supplementation and sodium restriction. Based on the pathophysiological paths shared by cirrhosis and SO, this narrative review aims to highlight the nutritional interventions currently advocated by international guidelines, as well as to provide hints on the possible role of micronutrients and nutraceuticals in the treatment of this multifaceted clinical condition.
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Affiliation(s)
- Ernestina Santangeli
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (E.S.); (C.A.); (R.C.); (F.P.)
| | - Chiara Abbati
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (E.S.); (C.A.); (R.C.); (F.P.)
| | - Rusi Chen
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (E.S.); (C.A.); (R.C.); (F.P.)
| | - Alma Di Carlo
- Division of Internal Medicine, Hepatobiliary and Immunoallergologic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.D.C.); (S.L.)
| | - Simona Leoni
- Division of Internal Medicine, Hepatobiliary and Immunoallergologic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.D.C.); (S.L.)
| | - Fabio Piscaglia
- Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy; (E.S.); (C.A.); (R.C.); (F.P.)
- Division of Internal Medicine, Hepatobiliary and Immunoallergologic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.D.C.); (S.L.)
| | - Silvia Ferri
- Division of Internal Medicine, Hepatobiliary and Immunoallergologic Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (A.D.C.); (S.L.)
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Janssen TAH, Van Every DW, Phillips SM. The impact and utility of very low-calorie diets: the role of exercise and protein in preserving skeletal muscle mass. Curr Opin Clin Nutr Metab Care 2023; 26:521-527. [PMID: 37724991 PMCID: PMC10552824 DOI: 10.1097/mco.0000000000000980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
PURPOSE OF REVIEW Very low-calorie diets (VLCD) are used as a weight loss intervention, but concerns have been raised about their potential negative impact on lean mass. Here, we review the available evidence regarding the effects of VLCD on lean mass and explore their utility and strategies to mitigate reductions in skeletal muscle. RECENT FINDINGS We observed that VLCD, despite their effects on lean mass, may be suitable in certain populations but have a risk in reducing lean mass. The extent of the reduction in lean mass may depend on various factors, such as the duration and degree of energy deficit of the diet, as well as the individual's starting weight and overall health. SUMMARY VLCD may be a viable option in certain populations; however, priority needs to be given to resistance exercise training, and secondarily to adequate protein intake should be part of this dietary regime to mitigate losing muscle mass.
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Kaspy MS, Hannaian SJ, Bell ZW, Churchward-Venne TA. The effects of branched-chain amino acids on muscle protein synthesis, muscle protein breakdown and associated molecular signalling responses in humans: an update. Nutr Res Rev 2023:1-14. [PMID: 37681443 DOI: 10.1017/s0954422423000197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Branched-chain amino acids (BCAA: leucine, isoleucine and valine) are three of the nine indispensable amino acids, and are frequently consumed as a dietary supplement by athletes and recreationally active individuals alike. The popularity of BCAA supplements is largely predicated on the notion that they can stimulate rates of muscle protein synthesis (MPS) and suppress rates of muscle protein breakdown (MPB), the combination of which promotes a net anabolic response in skeletal muscle. To date, several studies have shown that BCAA (particularly leucine) increase the phosphorylation status of key proteins within the mechanistic target of rapamycin (mTOR) signalling pathway involved in the regulation of translation initiation in human muscle. Early research in humans demonstrated that BCAA provision reduced indices of whole-body protein breakdown and MPB; however, there was no stimulatory effect of BCAA on MPS. In contrast, recent work has demonstrated that BCAA intake can stimulate postprandial MPS rates at rest and can further increase MPS rates during recovery after a bout of resistance exercise. The purpose of this evidence-based narrative review is to critically appraise the available research pertaining to studies examining the effects of BCAA on MPS, MPB and associated molecular signalling responses in humans. Overall, BCAA can activate molecular pathways that regulate translation initiation, reduce indices of whole-body and MPB, and transiently stimulate MPS rates. However, the stimulatory effect of BCAA on MPS rates is less than the response observed following ingestion of a complete protein source providing the full complement of indispensable amino acids.
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Affiliation(s)
- Matthew S Kaspy
- Department of Kinesiology and Physical Education, McGill University, 475 Avenue Des Pins H2W 1S4, Montreal, QC, Canada
| | - Sarkis J Hannaian
- Department of Kinesiology and Physical Education, McGill University, 475 Avenue Des Pins H2W 1S4, Montreal, QC, Canada
- Research Institute of the McGill University Health Centre, Glen Site, 1001 Boul. Décarie, H4A 3J1 Montreal, QC, Canada
| | - Zachary W Bell
- Department of Kinesiology and Physical Education, McGill University, 475 Avenue Des Pins H2W 1S4, Montreal, QC, Canada
| | - Tyler A Churchward-Venne
- Department of Kinesiology and Physical Education, McGill University, 475 Avenue Des Pins H2W 1S4, Montreal, QC, Canada
- Division of Geriatric Medicine, McGill University, Montreal General Hospital, Room D6 237.F, 1650 Cedar Avenue, H3G 1A4, Montreal, QC, Canada
- Research Institute of the McGill University Health Centre, Glen Site, 1001 Boul. Décarie, H4A 3J1 Montreal, QC, Canada
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Chisana N, Banharak S, Panpanit L, Chanaboon S, Tipkanjanaraykha K. Study of medication use and effects of medication among hospitalized older Buddhist monks: An embedded mixed-method study. J Adv Nurs 2023; 79:3609-3621. [PMID: 36978247 DOI: 10.1111/jan.15661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 01/29/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023]
Abstract
AIM The aim was to study medication use, effects of medication and perspective of participants involved in medication use among hospitalized older Buddhist monks. DESIGN An embedded mixed-method study. METHODS This study included 71 hospitalized older Buddhist monks and 23 participants involved in medication use. Quantitative data were collected from medical and medication records. Meanwhile, qualitative data were collected by using in-depth interviews. Data were analysed using descriptive statistics and content analysis. The study lasted from February to July 2021. RESULTS Over 77% of the monks had chronic diseases. The median of medicine use was seven medicines/person and 6 days of use. Effects of the medication were as expected (52.04%), not as expected (2.22%) and unmeasurable results (45.74%). Unexpected results were hypo-hyperglycaemia, nausea/vomiting, high blood pressure and confusion. From the interview, participants perceived and did not perceive unique practices and medication use in Buddhist monks. In addition, the Buddhist monks received medication following standards and Buddhist doctrine. Finally, recommendations for medication use were adhering to the standard, following Buddhist doctrine and being flexible as deemed necessary. CONCLUSION The results revealed medication use problems and medication effects among hospitalized older Buddhist monks. IMPACT Older adults and Buddhist monks have specific needs and practices related to culture and religion, affecting typical treatment, especially medication use. Cultural diversity and sensitivity should be a concern for healthcare staff. The results can be utilized to promote an understanding of cultural diversity and increase the safety of medication administration for hospitalized older Buddhist monks. PATIENT AND PUBLIC CONTRIBUTION Patient and public contributions were involved in this study. Participants involved in medication use were interviewed to answer the research objective. Moreover, a senior Buddhist monk at Wat Thai Washington D.C. reviewed content related to the Pali Canon for the final draft of the manuscript. CLINICAL TRIAL REGISTRATION NUMBER https://osf.io/b6p3e.
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Affiliation(s)
| | - Samoraphop Banharak
- Department of Gerontological Nursing, Faculty of Nursing, Khon Kaen University, Khon Kaen, Thailand
| | - Ladawan Panpanit
- Department of Gerontological Nursing, Faculty of Nursing, Khon Kaen University, Khon Kaen, Thailand
| | - Sutin Chanaboon
- Sirindhorn College of Public Health Khon Kaen, Khon Kaen, Thailand
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Giglio BM, Lobo PCB, Pimentel GD. Effects of whey protein supplementation on adiposity, body weight, and glycemic parameters: A synthesis of evidence. Nutr Metab Cardiovasc Dis 2023; 33:258-274. [PMID: 36543706 DOI: 10.1016/j.numecd.2022.09.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/25/2022]
Abstract
AIMS The aim of this review was to analyze the evidence of whey protein supplementation on body weight, fat mass, lean mass and glycemic parameters in subjects with overweight or type 2 diabetes mellitus (T2DM) undergoing calorie restriction or with ad libitum intake. DATA SYNTHESIS Overweight and obesity are considered risk factors for the development of chronic noncommunicable diseases such as T2DM. Calorie restriction is a dietary therapy that reduces weight and fat mass, promotes the improvement of glycemic parameters, and decreases muscle mass. The maintenance of muscle mass during weight loss is necessary in view of its implication in preventing chronic diseases and improving functional capacity and quality of life. The effects of increased protein consumption on attenuating muscle loss and reducing body fat during calorie restriction or ad libitum intake in overweight individuals are discussed. Some studies have demonstrated the positive effects of whey protein supplementation on improving satiety and postprandial glycemic control in short term; however, it remains unclear whether long-term whey protein supplementation can positively affect glycemic parameters. CONCLUSIONS Although whey protein is considered to have a high nutritional quality, its effects in the treatment of overweight, obese individuals and those with T2DM undergoing calorie restriction or ad libitum intake are still inconclusive.
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Affiliation(s)
- Bruna M Giglio
- Faculty of Nutrition, Federal University of Goias, Goiânia, GO, Brazil
| | - Patrícia C B Lobo
- Faculty of Nutrition, Federal University of Goias, Goiânia, GO, Brazil
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El Ghoch M, Rossi AP, Verde L, Barrea L, Muscogiuri G, Savastano S, Colao A. Understanding sarcopenic obesity in young adults in clinical practice: a review of three unsolved questions. Panminerva Med 2022; 64:537-547. [PMID: 36533664 DOI: 10.23736/s0031-0808.22.04784-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/25/2023]
Abstract
INTRODUCTION Our aim was to summarize the available literature on three yet unsolved questions, namely: 1) the dilemma surrounding definition of sarcopenic obesity (SO), especially in young adults; 2) the potential impact of this phenotype on weight-loss programme outcomes; and 3) the strategies for optimum management (prevention/treatment) of SO in clinical practice. EVIDENCE ACQUISITION A literature review using the PubMed/Medline database was conducted, and data were summarized based on a narrative approach. EVIDENCE SYNTHESIS Firstly, SO can be screened by the 30-sec sit-to-stand test; ≤25 and ≤21; and confirmed by the ratio of (appendicular lean mass/Body Mass Index) ≤0.789 and 0.512 in males and females, respectively. Secondly, SO is associated with impaired physical fitness, reduced resting energy expenditure and an inactive lifestyle, that seems to negatively impact on weight-management outcomes, namely increasing early dropout and difficulty in maintaining weight loss in the long term. Finally, prevention/treatment of SO in young adults must be realized through tailored lifestyle intervention (diet+exercise) to preserve and improve strength and muscle mass, even where weight loss is necessary. CONCLUSIONS Our findings have clinical implications since they may help in screening, managing and improving the weight-loss outcomes of patients with SO in clinical settings.
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Affiliation(s)
- Marwan El Ghoch
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Arab University of Beirut, Beirut, Lebanon
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Andrea P Rossi
- Division of Geriatrics, Department of Medicine, Healthy Aging Center, University of Verona, Verona, Italy
- Division of Geriatrics, Department of Medicine, Ospedale Ca' Foncello ULSS2 Treviso, Treviso, Italy
| | - Ludovica Verde
- Centro Italiano per la cura e il benessere del paziente (C.I.B.O), Unit of Endocrinology, Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
| | - Luigi Barrea
- Centro Italiano per la cura e il benessere del paziente (C.I.B.O), Unit of Endocrinology, Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
- Department of Human Sciences, Pegaso Telematic University, Naples, Italy
| | - Giovanna Muscogiuri
- Centro Italiano per la cura e il benessere del paziente (C.I.B.O), Unit of Endocrinology, Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy -
- Department of Clinical Medicine and Surgery, Section of Endocrinology, University Federico II, Naples, Italy
- UNESCO Chair for Health Education and Sustainable Development, Federico II University, Naples, Italy
| | - Silvia Savastano
- Centro Italiano per la cura e il benessere del paziente (C.I.B.O), Unit of Endocrinology, Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
- Department of Clinical Medicine and Surgery, Section of Endocrinology, University Federico II, Naples, Italy
| | - Annamaria Colao
- Centro Italiano per la cura e il benessere del paziente (C.I.B.O), Unit of Endocrinology, Department of Clinical Medicine and Surgery, University Federico II, Naples, Italy
- Department of Clinical Medicine and Surgery, Section of Endocrinology, University Federico II, Naples, Italy
- UNESCO Chair for Health Education and Sustainable Development, Federico II University, Naples, Italy
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Chitosan and chitosan oligosaccharide influence digestibility of whey protein isolate through electrostatic interaction. Int J Biol Macromol 2022; 222:1443-1452. [DOI: 10.1016/j.ijbiomac.2022.09.258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 09/08/2022] [Accepted: 09/28/2022] [Indexed: 11/20/2022]
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Kim YJ, Moon S, Yu JM, Chung HS. Implication of diet and exercise on the management of age‐related sarcopenic obesity in Asians. Geriatr Gerontol Int 2022; 22:695-704. [PMID: 35871525 PMCID: PMC9544230 DOI: 10.1111/ggi.14442] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/25/2022] [Accepted: 06/28/2022] [Indexed: 11/30/2022]
Abstract
The incidence of sarcopenic obesity among adults aged ≥65 years is rising worldwide. Sarcopenic obesity is a high‐risk geriatric syndrome defined as a gain in the amount of adipose tissue along with the age‐related loss of muscle mass and strength or physical performance. Sarcopenic obesity is associated with increased risks of falls, physical limitations, cardiovascular diseases, metabolic diseases, and/or mortality. Thus, the identification of preventive and treatment strategies against sarcopenic obesity is important for healthy aging. Diet and exercise are the reasons for the development of sarcopenic obesity and are key targets in its prevention and treatment. Regarding weight reduction alone, it is most effective to maintain a negative energy balance with dietary calorie restriction and aerobic exercise. However, it is important to preserve skeletal muscle mass while reducing fat mass. Resistance exercise and appropriate protein supply are the main ways of preserving skeletal muscle mass, as well as muscle function. Therefore, in order to improve sarcopenic obesity, a complex treatment strategy is needed to limit energy ingestion with proper nutrition and to increase multimodal exercises. In this review, we focus on recently updated interventions for diet and exercise and potential future management strategies for Asian individuals with aging‐related sarcopenic obesity. Geriatr Gerontol Int 2022; 22: 695–704.
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Affiliation(s)
- Yoon Jung Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangnam Sacred Heart Hospital College of Medicine, Hallym University Seoul South Korea
| | - Shinje Moon
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangnam Sacred Heart Hospital College of Medicine, Hallym University Seoul South Korea
| | - Jae Myung Yu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangnam Sacred Heart Hospital College of Medicine, Hallym University Seoul South Korea
| | - Hye Soo Chung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangnam Sacred Heart Hospital College of Medicine, Hallym University Seoul South Korea
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Howard EE, Shankaran M, Evans WJ, Berryman CE, Margolis LM, Lieberman HR, Karl JP, Young AJ, Montano MA, Matthews MD, Bizieff A, Nyangao E, Mohammed H, Harris MN, Hellerstein MK, Rood JC, Pasiakos SM. Effects of Testosterone on Mixed-Muscle Protein Synthesis and Proteome Dynamics During Energy Deficit. J Clin Endocrinol Metab 2022; 107:e3254-e3263. [PMID: 35532889 DOI: 10.1210/clinem/dgac295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Indexed: 11/19/2022]
Abstract
CONTEXT Effects of testosterone on integrated muscle protein metabolism and muscle mass during energy deficit are undetermined. OBJECTIVE The objective was to determine the effects of testosterone on mixed-muscle protein synthesis (MPS), proteome-wide fractional synthesis rates (FSR), and skeletal muscle mass during energy deficit. DESIGN This was a randomized, double-blind, placebo-controlled trial. SETTING The study was conducted at Pennington Biomedical Research Center. PARTICIPANTS Fifty healthy men. INTERVENTION The study consisted of 14 days of weight maintenance, followed by a 28-day 55% energy deficit with 200 mg testosterone enanthate (TEST, n = 24) or placebo (PLA, n = 26) weekly, and up to 42 days of ad libitum recovery feeding. MAIN OUTCOME MEASURES Mixed-MPS and proteome-wide FSR before (Pre), during (Mid), and after (Post) the energy deficit were determined using heavy water (days 1-42) and muscle biopsies. Muscle mass was determined using the D3-creatine dilution method. RESULTS Mixed-MPS was lower than Pre at Mid and Post (P < 0.0005), with no difference between TEST and PLA. The proportion of individual proteins with numerically higher FSR in TEST than PLA was significant by 2-tailed binomial test at Post (52/67; P < 0.05), but not Mid (32/67; P > 0.05). Muscle mass was unchanged during energy deficit but was greater in TEST than PLA during recovery (P < 0.05). CONCLUSIONS The high proportion of individual proteins with greater FSR in TEST than PLA at Post suggests exogenous testosterone exerted a delayed but broad stimulatory effect on synthesis rates across the muscle proteome during energy deficit, resulting in muscle mass accretion during subsequent recovery.
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Affiliation(s)
- Emily E Howard
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
- Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
| | - Mahalakshmi Shankaran
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Willian J Evans
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Claire E Berryman
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
- Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
- Department of Nutrition, Food, and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
| | - Lee M Margolis
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Harris R Lieberman
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - J Philip Karl
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Andrew J Young
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Monty A Montano
- MyoSyntax Corporation, Worcester, MA 01605, USA
- Harvard Medical School, Boston, MA 02115, USA
- Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Marcy D Matthews
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Alec Bizieff
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Edna Nyangao
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Hussein Mohammed
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Melissa N Harris
- Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
| | - Marc K Hellerstein
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Jennifer C Rood
- Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
| | - Stefan M Pasiakos
- Military Performance Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
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Margolis LM, Hatch-McChesney A, Allen JT, DiBella MN, Carrigan CT, Murphy NE, Karl JP, Gwin JA, Hennigar SR, McClung JP, Pasiakos SM. Circulating and skeletal muscle microRNA profiles are more sensitive to sustained aerobic exercise than energy balance in males. J Physiol 2022; 600:3951-3963. [PMID: 35822542 DOI: 10.1113/jp283209] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/22/2022] [Indexed: 11/08/2022] Open
Abstract
KEY POINTS Circulating and skeletal muscle miRNA profiles are more sensitive to high levels of aerobic exercise-induced energy expenditures compared to energy status Changes in circulating miRNA in response to high levels of daily sustained aerobic exercise are not reflective of changes in skeletal muscle miRNA. ABSTRACT MicroRNA (miRNA) regulate molecular processes governing muscle metabolism. Physical activity and energy balance influence both muscle anabolism and metabolism, but whether circulating and skeletal muscle miRNA mediate those effects remains unknown. This study assessed the impact of sustained physical activity with participants in energy balance (BAL) or deficit (DEF) on circulating and skeletal muscle miRNA. Using a randomized cross-over design, 10 recreational active healthy males (mean ± SD; 22±5 yrs, 87±11 kg) completed 72 hours of high aerobic exercise-induced energy expenditures in BAL (689±852 kcal/d) or DEF (-2047±920 kcal/d). Blood and muscle samples were collected under rested/fasted conditions before (PRE) and immediately after 120-min load carriage exercise bout at the end (POST) of the 72 hours. Trials were separated by 7 days. Circulating and skeletal muscle miRNA were measured using microarray RT-qPCR. Independent of energy status, 36 circulating miRNA decreased (P<0.05), while 10 miRNA increased and 3 miRNA decreased in skeletal muscle (P<0.05) at POST compared to PRE. Of these, miR-122-5p, miR-221-3p, miR-222-3p, and miR-24-3p decreased in circulation and increased in skeletal muscle. Two circulating (miR-145-5p and miR-193a-5p) and 4 skeletal muscle (miR-21-5p, miR-372-3p, miR-34a-5p, and miR-9-5p) miRNA had time-by-treatment effects (P<0.05). These data suggest that changes in miRNA profiles are more sensitive to increased physical activity compared to energy status, and that changes in circulating miRNA in response to high levels of daily aerobic exercise are not reflective of changes in skeletal muscle miRNA. Graphical abstract legend In response to 72 hours of high aerobic exercise, circulating miRNA decreased and miRNA in skeletal muscle primarily increased. The changes in miRNA occurred independent of energy status (i.e., exercise-induced energy defcit or exercise plus increased energy intake to achieve energy balance), and circulating miRNA did not refect changes in skeletal muscle. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Lee M Margolis
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | | | - Jillian T Allen
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA.,Oak Ridge Institute of Science and Technology, Belcamp, MD, USA
| | - Marissa N DiBella
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA.,Oak Ridge Institute of Science and Technology, Belcamp, MD, USA
| | - Christopher T Carrigan
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | - Nancy E Murphy
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | - J Philip Karl
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | - Jess A Gwin
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | - Stephen R Hennigar
- Department of Nutrition and Integrative Physiology, Florida State University, Tallahassee, FL, USA
| | - James P McClung
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
| | - Stefan M Pasiakos
- Military Performance Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA
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14
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Arciero PJ, Arciero KM, Poe M, Mohr AE, Ives SJ, Arciero A, Boyce M, Zhang J, Haas M, Valdez E, Corbet D, Judd K, Smith A, Furlong O, Wahler M, Gumpricht E. Intermittent fasting two days versus one day per week, matched for total energy intake and expenditure, increases weight loss in overweight/obese men and women. Nutr J 2022; 21:36. [PMID: 35658959 PMCID: PMC9166203 DOI: 10.1186/s12937-022-00790-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 05/26/2022] [Indexed: 02/08/2023] Open
Abstract
Background Intermittent fasting (IF), consisting of either a one-day (IF1) or two consecutive days (IF2) per week, is commonly used for optimal body weight loss. Our laboratory has previously shown an IF1 diet combined with 6d/week of protein pacing (P; 4–5 meals/day evenly spaced, ~ 30% protein/day) significantly enhances weight loss, body composition, and cardiometabolic health in obese men and women. Whether an IF1-P or IF2-P, matched for weekly energy intake (EI) and expenditure (EE), is superior for weight loss, body composition, and cardiometabolic health is unknown. Methods This randomized control study directly compared an IF1-P (n = 10) versus an IF2-P (n = 10) diet on weight loss and body composition, cardiovascular (blood pressure and lipids), hormone, and hunger responses in 20 overweight men and women during a 4-week weight loss period. Participants received weekly dietary counseling and monitoring of compliance from a registered dietitian. All outcome variables were assessed pre (week 0) and post (week 5). Results Both groups significantly reduced body weight, waist circumference, percent body fat, fat mass, hunger, blood pressure, lipids, glucose, and increased percent fat-free mass (p < 0.05). However, IF2-P resulted in significantly greater reductions in body weight (-29%) and waist circumference (-38%) compared to IF1-P (p < 0.05), and showed a strong tendency for greater reductions in fat mass, glucose, and hunger levels (p < 0.10) despite similar weekly total EI (IF1-P, 9058 ± 692 vs. IF2-P, 8389 ± 438 kcals/week; p = 0.90), EE (~ 300 kcals/day; p = 0.79), and hormone responses (p > 0.10). Conclusions These findings support short-term IF1-P and IF2-P to optimize weight loss and improve body composition, cardiometabolic health, and hunger management, with IF2-P providing enhanced benefits in overweight women and men. Trial registration This trial was registered March 03, 2020 at www.clinicaltrials.gov as NCT04327141. Supplementary Information The online version contains supplementary material available at 10.1186/s12937-022-00790-0.
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Affiliation(s)
- Paul J Arciero
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA.
| | - Karen M Arciero
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Michelle Poe
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Alex E Mohr
- College of Health Solutions, Arizona State University, Phoenix, AZ, 85004, USA
| | - Stephen J Ives
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Autumn Arciero
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Molly Boyce
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Jin Zhang
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Melissa Haas
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Emma Valdez
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Delaney Corbet
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Kaitlyn Judd
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Annika Smith
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Olivia Furlong
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
| | - Marley Wahler
- Human Nutrition and Metabolism Laboratory, Department of Health and Human Physiological Sciences, Skidmore College, 815 North Broadway, Saratoga Springs, NY, 12866, USA
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15
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Horstman AMH, Huppertz T. Milk proteins: Processing, gastric coagulation, amino acid availability and muscle protein synthesis. Crit Rev Food Sci Nutr 2022; 63:10267-10282. [PMID: 35611879 DOI: 10.1080/10408398.2022.2078782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
It is well-known that the postprandial muscle protein synthetic response to protein ingestion is regulated on various levels, including dietary protein digestion and amino acid (AA) absorption, splanchnic AA retention, the availability of dietary protein-derived AA in the circulation, delivery of AA to the muscle, uptake of AA by the muscle, and intramuscular signaling. AA availability after consumption of dairy products is primarily determined by the rate of gastric emptying of milk proteins, which is mainly linked to coagulation of milk proteins in the stomach. Caseins form gastric coagula, which make their gastric emptying and subsequent postprandial aminoacidemia notably slower than that of whey proteins. Only recently, the role of processing, food structure, preservation and matrix on coagulation herein has been getting attention. In this review we describe various processes, that affect gastric coagulation of caseins and therewith control gastric emptying, such as the conversion to caseinate, heat treatment in the presence of whey proteins, conversion to stirred yoghurt and enzymatic hydrolysis. Modulating product characteristics by processing can be very useful to steer the gastric behavior of protein, and the subsequent digestion and AA absorption and muscle anabolic response to maintain or increase muscle mass.
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Affiliation(s)
| | - Thom Huppertz
- Research & Development, FrieslandCampina, Amersfoort, The Netherlands
- Food Quality and Design, Wageningen University & Research, Wageningen, The Netherlands
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16
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Nutrition policy: developing scientific recommendations for food-based dietary guidelines for older adults living independently in Ireland. Proc Nutr Soc 2022; 81:49-61. [DOI: 10.1017/s0029665122001008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Older adults (≥65 years) are the fastest growing population group. Thus, ensuring nutritional well-being of the ‘over-65s’ to optimise health is critically important. Older adults represent a diverse population – some are fit and healthy, others are frail and many live with chronic conditions. Up to 78% of older Irish adults living independently are overweight or obese. The present paper describes how these issues were accommodated into the development of food-based dietary guidelines for older adults living independently in Ireland. Food-based dietary guidelines previously established for the general adult population served as the basis for developing more specific recommendations appropriate for older adults. Published international reports were used to update nutrient intake goals for older adults, and available Irish data on dietary intakes and nutritional status biomarkers were explored from a population-based study (the National Adult Nutrition Survey; NANS) and two longitudinal cohorts: the Trinity-Ulster and Department of Agriculture (TUDA) and the Irish Longitudinal Study on Ageing (TILDA) studies. Nutrients of public health concern were identified for further examination. While most nutrient intake goals were similar to those for the general adult population, other aspects were identified where nutritional concerns of ageing require more specific food-based dietary guidelines. These include, a more protein-dense diet using high-quality protein foods to preserve muscle mass; weight maintenance in overweight or obese older adults with no health issues and, where weight-loss is required, that lean tissue is preserved; the promotion of fortified foods, particularly as a bioavailable source of B vitamins and the need for vitamin D supplementation.
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17
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Oliveira-Junior G, Pinto RS, Shirley MK, Longman DP, Koehler K, Saunders B, Roschel H, Dolan E. The Skeletal Muscle Response to Energy Deficiency: A Life History Perspective. ADAPTIVE HUMAN BEHAVIOR AND PHYSIOLOGY 2022. [DOI: 10.1007/s40750-021-00182-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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18
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Zhao Y, Shui D, Li S, Lin X, Liang H, Zhang S, Ji C. Complexation behavior of
Auricularia auricula
polysaccharide and whey protein isolate: Characterization and potential beverage application. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yunsong Zhao
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Dongning Shui
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Shengjie Li
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Xinping Lin
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Huipeng Liang
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Sufang Zhang
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
| | - Chaofan Ji
- School of Food Science and Technology Dalian Polytechnic University Dalian PR China
- National Engineering Research Center of Seafood Dalian PR China
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19
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Strategies to Prevent Sarcopenia in the Aging Process: Role of Protein Intake and Exercise. Nutrients 2021; 14:nu14010052. [PMID: 35010928 PMCID: PMC8746908 DOI: 10.3390/nu14010052] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 12/19/2021] [Accepted: 12/21/2021] [Indexed: 12/24/2022] Open
Abstract
Sarcopenia is one of the main issues associated with the process of aging. Characterized by muscle mass loss, it is triggered by several conditions, including sedentary habits and negative net protein balance. According to World Health Organization, it is expected a 38% increase in older individuals by 2025. Therefore, it is noteworthy to establish recommendations to prevent sarcopenia and several events and comorbidities associated with this health issue condition. In this review, we discuss the role of these factors, prevention strategies, and recommendations, with a focus on protein intake and exercise.
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20
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Abstract
Milk proteins are known for their high nutritional quality, based on their essential amino acid composition, and they exhibit a wide range of bioactivities, including satiety, antimicrobial, mineral-binding, and anti-lipidemic properties. Because of their unique water solubility, milk proteins are readily separated into casein and whey fractions, which can be further fractionated into many individual proteins, including alpha-S1- and alpha-S2-caseins, beta-casein, and kappa-casein, and the whey proteins alpha-lactalbumin, lactoferrin, beta-lactoglobulin, and glycomacropeptide. Many of these proteins have unique bioactivities. Further, over the past 30 years, peptides that are encrypted in the primary amino acid sequences of proteins and released along with amino acids during digestion are increasingly recognized as biologically active protein metabolites that may have beneficial effects on human health. This review examines the current state of the science on the contribution of dairy proteins and their unique peptides and amino acids to human health.
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Affiliation(s)
| | - Donald K Layman
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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21
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Ruiz-Castellano C, Espinar S, Contreras C, Mata F, Aragon AA, Martínez-Sanz JM. Achieving an Optimal Fat Loss Phase in Resistance-Trained Athletes: A Narrative Review. Nutrients 2021; 13:nu13093255. [PMID: 34579132 PMCID: PMC8471721 DOI: 10.3390/nu13093255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 12/14/2022] Open
Abstract
Managing the body composition of athletes is a common practice in the field of sports nutrition. The loss of body weight (BW) in resistance-trained athletes is mainly conducted for aesthetic reasons (bodybuilding) or performance (powerlifting or weightlifting). The aim of this review is to provide dietary–nutritional strategies for the loss of fat mass in resistance-trained athletes. During the weight loss phase, the goal is to reduce the fat mass by maximizing the retention of fat-free mass. In this narrative review, the scientific literature is evaluated, and dietary–nutritional and supplementation recommendations for the weight loss phase of resistance-trained athletes are provided. Caloric intake should be set based on a target BW loss of 0.5–1.0%/week to maximize fat-free mass retention. Protein intake (2.2–3.0 g/kgBW/day) should be distributed throughout the day (3–6 meals), ensuring in each meal an adequate amount of protein (0.40–0.55 g/kgBW/meal) and including a meal within 2–3 h before and after training. Carbohydrate intake should be adapted to the level of activity of the athlete in order to training performance (2–5 g/kgBW/day). Caffeine (3–6 mg/kgBW/day) and creatine monohydrate (3–5 g/day) could be incorporated into the athlete’s diet due to their ergogenic effects in relation to resistance training. The intake of micronutrients complexes should be limited to special situations in which there is a real deficiency, and the athlete cannot consume through their diet.
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Affiliation(s)
| | - Sergio Espinar
- Faculty of Health Sciences, UCAM Universidad Católica de Murcia, 30107 Murcia, Spain;
- Correspondence:
| | - Carlos Contreras
- Faculty of Health Sciences, UCAM Universidad Católica de Murcia, 30107 Murcia, Spain;
| | - Fernando Mata
- Centro de Estudios Avanzados en Nutrición (CEAN), 14010 Córdoba, Spain;
| | - Alan A. Aragon
- Department of Family and Consumer Sciences, California State University, Northridge, CA 91330, USA;
| | - José Miguel Martínez-Sanz
- Research Group on Food and Nutrition (ALINUT), Nursing Department, Faculty of Health Sciences, University of Alicante, 03690 Alicante, Spain;
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22
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Varanoske AN, Shankaran M, Hennigar SR, Berryman CE, Margolis LM, Field TJ, Palacios H, Nyangau E, Mohammed H, Kelly AM, Anderson BJ, Evans WJ, McClung JP, Hellerstein MK, Pasiakos SM. Energy Restriction Suppresses Muscle Protein Synthesis, and High Protein Diets Extend Protein Half-Lives Across the Muscle Proteome in Obese Female Zucker Rats. J Nutr 2021; 151:2551-2563. [PMID: 34132333 DOI: 10.1093/jn/nxab181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/11/2021] [Accepted: 05/14/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Effects of high protein (HP) diets and prolonged energy restriction (ER) on integrated muscle protein kinetics have not been determined. OBJECTIVE The objective of this study was to measure protein kinetics in response to prolonged ER and HP on muscle protein synthesis (MPS; absolute rates of synthesis) and muscle protein breakdown (MPB; half-lives) for proteins across the muscle proteome. METHODS Female 6-wk-old obese Zucker rats (Leprfa+/fa+, n = 48) were randomly assigned to one of four diets for 10 wk: ad libitum-standard protein (AL-SP; 15% kcal from protein), AL-HP (35% kcal from protein), ER-SP, and ER-HP (both fed 60% feed consumed by AL-SP). During week 10, heavy/deuterated water (2H2O) was administered by intraperitoneal injection, and isotopic steady-state was maintained via 2H2O in drinking water. Rats were euthanized after 1 wk, and mixed-MPS as well as fractional replacement rate (FRR), relative concentrations, and half-lives of individual muscle proteins were quantified in the gastrocnemius. Data were analyzed using 2-factor (energy × protein) ANOVAs and 2-tailed t-tests or binomial tests as appropriate. RESULTS Absolute MPS was lower in ER than AL for mixed-MPS (-29.6%; P < 0.001) and MPS of most proteins measured [23/26 myofibrillar, 48/60 cytoplasmic, and 46/60 mitochondrial (P < 0.05)], corresponding with lower gastrocnemius mass in ER compared with AL (-29.4%; P < 0.001). Although mixed-muscle protein half-life was not different between groups, prolonged half-lives were observed for most individual proteins in HP compared with SP in ER and AL (P < 0.001), corresponding with greater gastrocnemius mass in HP than SP (+5.3%; P = 0.043). CONCLUSIONS ER decreased absolute bulk MPS and most individual MPS rates compared with AL, and HP prolonged half-lives of most proteins across the proteome. These data suggest that HP, independent of energy intake, may reduce MPB, and reductions in MPS may contribute to lower gastrocnemius mass during ER by reducing protein deposition in obese female Zucker rats.
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Affiliation(s)
- Alyssa N Varanoske
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - Mahalakshmi Shankaran
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Stephen R Hennigar
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA.,Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL, USA
| | - Claire E Berryman
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA.,Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL, USA
| | - Lee M Margolis
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Tyler J Field
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Hector Palacios
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Edna Nyangau
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Hussein Mohammed
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Alyssa M Kelly
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - Bradley J Anderson
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - William J Evans
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - James P McClung
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
| | - Marc K Hellerstein
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA
| | - Stefan M Pasiakos
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, USA
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23
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Comparison of the effect of soya protein and whey protein on body composition: a meta-analysis of randomised clinical trials. Br J Nutr 2021; 127:885-895. [PMID: 33971994 DOI: 10.1017/s0007114521001550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Essential amino acids (EAA) promote the process of regulating muscle synthesis. Thus, whey protein that contains higher amounts of EAA can have a considerable effect on modifying muscle synthesis. However, there is insufficient evidence regarding the effect of soya and whey protein supplementation on body composition. Thus, we sought to perform a meta-analysis of published randomised clinical trials that examined the effect of whey protein supplementation and soya protein supplementation on body composition (lean body mass, fat mass, body mass and body fat percentage) in adults. We searched PubMed, Scopus and Google Scholar, up to August 2020, for all relevant published articles assessing soya protein supplementation and whey protein supplementation on body composition parameters. We included all randomised clinical trials that investigated the effect of whey protein supplementation and soya protein supplementation on body composition in adults. Pooled means and standard deviations were calculated using random effects models. Subgroup analysis was applied to discern possible sources of heterogeneity. After excluding non-relevant articles, ten studies, with 596 participants, remained in this study. We found a significant increase in lean body mass after whey protein supplementation (weighted mean difference (WMD: 0·91; 95 % CI 0·15, 1·67; P = 0·019). We observed no significant change between whey protein supplementation and body mass, fat mass and body fat percentage. We found no significant change between soya protein supplementation and body composition parameters. Whey protein supplementation significantly improved body composition via increases in lean body mass, without influencing fat mass, body mass and body fat percentage.
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24
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Paulussen KJM, McKenna CF, Beals JW, Wilund KR, Salvador AF, Burd NA. Anabolic Resistance of Muscle Protein Turnover Comes in Various Shapes and Sizes. Front Nutr 2021; 8:615849. [PMID: 34026802 PMCID: PMC8131552 DOI: 10.3389/fnut.2021.615849] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 03/01/2021] [Indexed: 12/18/2022] Open
Abstract
Anabolic resistance is defined by a blunted stimulation of muscle protein synthesis rates (MPS) to common anabolic stimuli in skeletal muscle tissue such as dietary protein and exercise. Generally, MPS is the target of most exercise and feeding interventions as muscle protein breakdown rates seem to be less responsive to these stimuli. Ultimately, the blunted responsiveness of MPS to dietary protein and exercise underpins the loss of the amount and quality of skeletal muscle mass leading to decrements in physical performance in these populations. The increase of both habitual physical activity (including structured exercise that targets general fitness characteristics) and protein dense food ingestion are frontline strategies utilized to support muscle mass, performance, and health. In this paper, we discuss anabolic resistance as a common denominator underpinning muscle mass loss with aging, obesity, and other disease states. Namely, we discuss the fact that anabolic resistance exists as a dimmer switch, capable of varying from higher to lower levels of resistance, to the main anabolic stimuli of feeding and exercise depending on the population. Moreover, we review the evidence on whether increased physical activity and targeted exercise can be leveraged to restore the sensitivity of skeletal muscle tissue to dietary amino acids regardless of the population.
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Affiliation(s)
- Kevin J. M. Paulussen
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Colleen F. McKenna
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Joseph W. Beals
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, MO, United States
| | - Kenneth R. Wilund
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Amadeo F. Salvador
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Nicholas A. Burd
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
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Gwin JA, Church DD, Hatch-McChesney A, Allen JT, Wilson MA, Varanoske AN, Carrigan CT, Murphy NE, Margolis LM, Carbone JW, Wolfe RR, Ferrando AA, Pasiakos SM. Essential amino acid-enriched whey enhances post-exercise whole-body protein balance during energy deficit more than iso-nitrogenous whey or a mixed-macronutrient meal: a randomized, crossover study. J Int Soc Sports Nutr 2021; 18:4. [PMID: 33413462 PMCID: PMC7791816 DOI: 10.1186/s12970-020-00401-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023] Open
Abstract
Background The effects of ingesting varying essential amino acid (EAA)/protein-containing food formats on protein kinetics during energy deficit are undetermined. Therefore, recommendations for EAA/protein food formats necessary to optimize both whole-body protein balance and muscle protein synthesis (MPS) during energy deficit are unknown. We measured protein kinetics after consuming iso-nitrogenous amounts of free-form essential amino acid-enriched whey (EAA + W; 34.7 g protein, 24 g EAA sourced from whey and free-form EAA), whey (WHEY; 34.7 g protein, 18.7 g EAA), or a mixed-macronutrient meal (MEAL; 34.7 g protein, 11.4 g EAA) after exercise during short-term energy deficit. Methods Ten adults (mean ± SD; 21 ± 4 y; 25.7 ± 1.7 kg/m2) completed a randomized, double-blind crossover study consisting of three, 5 d energy-deficit periods (− 30 ± 3% of total energy requirements), separated by 14 d. Whole-body protein synthesis (PS), breakdown (PB), and net balance (NET) were determined at rest and in response to combination exercise consisting of load carriage treadmill walking, deadlifts, and box step-ups at the end of each energy deficit using L-[2H5]-phenylalanine and L-[2H2]-tyrosine infusions. Treatments were ingested immediately post-exercise. Mixed-muscle protein synthesis (mixed-MPS) was measured during exercise through recovery. Results Change (Δ postabsorptive + exercise to postprandial + recovery [mean treatment difference (95%CI)]) in whole-body (g/180 min) PS was 15.8 (9.8, 21.9; P = 0.001) and 19.4 (14.8, 24.0; P = 0.001) greater for EAA + W than WHEY and MEAL, respectively, with no difference between WHEY and MEAL. ΔPB was − 6.3 (− 11.5, − 1.18; P = 0.02) greater for EAA + W than WHEY and − 7.7 (− 11.9, − 3.6; P = 0.002) greater for MEAL than WHEY, with no difference between EAA + W and MEAL. ΔNET was 22.1 (20.5, 23.8; P = 0.001) and 18.0 (16.5, 19.5; P = 0.00) greater for EAA + W than WHEY and MEAL, respectively, while ΔNET was 4.2 (2.7, 5.6; P = 0.001) greater for MEAL than WHEY. Mixed-MPS did not differ between treatments. Conclusions While mixed-MPS was similar across treatments, combining free-form EAA with whey promotes greater whole-body net protein balance during energy deficit compared to iso-nitrogenous amounts of whey or a mixed-macronutrient meal. Trial registration ClinicalTrials.gov, Identifier no. NCT04004715. Retrospectively registered 28 June 2019, first enrollment 6 June 2019
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Affiliation(s)
- Jess A Gwin
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA.,Oak Ridge Institute for Science and Education, Belcamp, MD, USA
| | - David D Church
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Adrienne Hatch-McChesney
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA
| | - Jillian T Allen
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA.,Oak Ridge Institute for Science and Education, Belcamp, MD, USA
| | - Marques A Wilson
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA
| | - Alyssa N Varanoske
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA.,Oak Ridge Institute for Science and Education, Belcamp, MD, USA
| | - Christopher T Carrigan
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA
| | - Nancy E Murphy
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA
| | - Lee M Margolis
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA
| | - John W Carbone
- School of Health Sciences, Eastern Michigan University, Ypsilanti, MI, USA
| | - Robert R Wolfe
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Arny A Ferrando
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Stefan M Pasiakos
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, 10 General Greene Ave, Bldg. 42, Natick, MA, 01760, USA.
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Abdalgwad R, Rafey MF, Murphy C, Ioana I, O'Shea PM, Slattery E, Davenport C, O'Keeffe DT, Finucane FM. Changes in alanine aminotransferase in adults with severe and complicated obesity during a milk-based meal replacement programme. Nutr Metab (Lond) 2020; 17:87. [PMID: 33072167 PMCID: PMC7565317 DOI: 10.1186/s12986-020-00512-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 10/08/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction Excess adiposity is associated with fat accumulation within the liver, and non-alcoholic steatohepatitis (NASH) is highly prevalent in bariatric patients. Elevated alanine aminotransferase (ALT) is associated with prevalent NASH. We sought to determine the influence of a milk-based meal replacement weight-loss programme on ALT levels in adults with severe and complicated obesity.
Methods We conducted a retrospective cohort study of patients who completed a 24-week meal replacement programme, comprised of a weight loss phase followed by weight stabilisation and maintenance phases, each 8 weeks long. ALT was quantified using an enzymatic assay with spectrophotometric detection. We examined changes over time in ALT using the non-parametric Wilcoxon singed-rank test and the Friedman test. Results Of 105 patients, 56 were female, mean age was 51.2 ± 11.2 (range 18.0–71.6) years. There was an unanticipated but transient increase in ALT from 28.0 [20.0, 40.5] iu/L at baseline to 40.0 [26.0, 55.0] iu/L after 2 weeks (p < 0.0005), followed by a gradual reduction to 21.0 [17.0, 28.3] iu/L by 24 weeks (p < 0.0005). The overall reductions in ALT were more pronounced in patients who had elevated levels at baseline. Body weight decreased from 144.2 ± 28.0 kg at baseline to 121.6 ± 25.4 kg at 24 weeks (p < 0.0005) and body mass index (BMI) decreased from 50.7 ± 8.1 kg m−2 at baseline to 43.0 ± 7.6 kg m−2 by 24 weeks (p < 0.0005). Conclusion In adults with severe and complicated obesity undergoing a milk-based meal replacement programme, there was an initial unanticipated rise in ALT in the first 2 weeks, followed by a gradual overall reduction by 24 weeks. These findings suggest that rapid weight loss secondary to significant caloric restriction might induce a transient deterioration in hepatic steatosis prior to an ultimate overall improvement.
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Affiliation(s)
- Razk Abdalgwad
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Mohammed Faraz Rafey
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Conor Murphy
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Iulia Ioana
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland
| | - Paula Mary O'Shea
- Department of Clinical Biochemistry, Galway University Hospitals, Galway, Ireland
| | - Eoin Slattery
- HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Colin Davenport
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Derek Timothy O'Keeffe
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Francis Martin Finucane
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and and HRB Clinical Research Facility, Galway University Hospitals, Galway, Ireland.,HRB Clinical Research Facility, National University of Ireland Galway, Galway, Ireland.,Department of Medicine, National University of Ireland Galway, Galway, Ireland
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Sun HZ, Zhou M, Wang O, Chen Y, Liu JX, Guan LL. Multi-omics reveals functional genomic and metabolic mechanisms of milk production and quality in dairy cows. Bioinformatics 2020; 36:2530-2537. [PMID: 31873721 DOI: 10.1093/bioinformatics/btz951] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 11/04/2019] [Accepted: 12/20/2019] [Indexed: 11/13/2022] Open
Abstract
MOTIVATION Enhancing the utilization of human-inedible crop by-products by ruminants to produce high-quality milk for human consumption is an emerging global task. We performed a multi-omics-based study to decipher the regulatory biological processes of milk production when cows fed low-quality crop by-products with the aim to improve their utilization. RESULTS Seven types of different high-throughput omics data were generated across three central organs [rumen, liver and mammary gland (MG)] and biofluids (rumen fluid and blood) that involved in milk production. The integrated multi-omics analysis including metabolomics, metagenomics and transcriptomics showed altered microbiome at compositional and functional levels, microbial metabolites in the rumen, down-regulated genes and associated functions in liver and MG. These changes simultaneously contributed to down-regulated three key metabolic nodes (propionate, glucose and amino acid) across these organs and biofluids that led to lowered milk yield and quality when cows consumed corn stover (CS). Hippuric acid was identified as a biomarker that led to low milk production in CS-fed cows, suggesting a future evaluation parameter related to the metabolic mechanism of low-quality forage utilization. This study unveils the milk production-related biological mechanism across different biofluids and tissues under a low-quality forage diet, which provides a novel understanding and potential improvement strategies for future crop by-products utilization and sustainable ruminant production. AVAILABILITY AND IMPLEMENTATION The raw files of metagenomics, metabolomics, and transcriptomics data can be accessed at NCBI SRA (No. SRR5028206), EMBI-EBI (No. MTBLS411), and GEO (NO. GSE78524) databases respectively. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Hui-Zeng Sun
- Institute of Dairy Science, MoE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, P. R. China.,Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Mi Zhou
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Ou Wang
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Yanhong Chen
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Jian-Xin Liu
- Institute of Dairy Science, MoE Key Laboratory of Molecular Animal Nutrition, College of Animal Sciences, Zhejiang University, Hangzhou 310058, P. R. China
| | - Le Luo Guan
- Department of Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
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Animal, Plant, Collagen and Blended Dietary Proteins: Effects on Musculoskeletal Outcomes. Nutrients 2020; 12:nu12092670. [PMID: 32883033 PMCID: PMC7551889 DOI: 10.3390/nu12092670] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/26/2020] [Accepted: 08/29/2020] [Indexed: 02/06/2023] Open
Abstract
Dietary protein is critical for the maintenance of musculoskeletal health, where appropriate intake (i.e., source, dose, timing) can mitigate declines in muscle and bone mass and/or function. Animal-derived protein is a potent anabolic source due to rapid digestion and absorption kinetics stimulating robust increases in muscle protein synthesis and promoting bone accretion and maintenance. However, global concerns surrounding environmental sustainability has led to an increasing interest in plant- and collagen-derived protein as alternative or adjunct dietary sources. This is despite the lower anabolic profile of plant and collagen protein due to the inferior essential amino acid profile (e.g., lower leucine content) and subordinate digestibility (versus animal). This review evaluates the efficacy of animal-, plant- and collagen-derived proteins in isolation, and as protein blends, for augmenting muscle and bone metabolism and health in the context of ageing, exercise and energy restriction.
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Comparing the effects of whey and casein supplementation on nutritional status and immune parameters in patients with chronic liver disease: a randomised double-blind controlled trial. Br J Nutr 2020; 125:768-779. [PMID: 32807252 DOI: 10.1017/s0007114520003219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Protein supplementation may be beneficial for patients with chronic liver disease (CLD). This study compared the effects of whey protein isolate (WP) and casein (CA) supplementation on nutritional status and immune parameters of CLD patients who were randomly assigned to take 20 g of WP or CA twice per d as a supplement for 15 d. Body composition, muscle functionality and plasmatic immunomarkers were assessed before and after supplementation. Patients were also classified according to the model for end-stage liver disease (MELD) into less (MELD < 15) and more (MELD ≥ 15) severe disease groups. Malnutrition, determined by the Subjective Global Assessment at baseline, was observed in 57·4 % and 54·2 % of patients in the WP and CA groups, respectively (P = 0·649). Protein intake was lower at baseline in the WP group than in the CA group (P = 0·035), with no difference after supplementation (P = 0·410). Both the WP and CA MELD < 15 groups increased protein intake after supplementation according to the intragroup analysis. No differences were observed in body composition, muscle functionality, most plasma cytokines (TNF, IL-6, IL-1β and interferon-γ), immunomodulatory proteins (sTNFR1, sTNFR2, brain-derived neurotrophic factor and glial cell line-derived neurotrophic factor) or immunomodulatory hormones (adiponectin, insulin and leptin) after supplementation in the WP groups at the two assessed moments. WP supplementation increased the levels of interferon-γ-induced protein-10/CXCL10 (P = 0·022), eotaxin-1/CCL11 (P = 0·031) and monocyte chemoattractant protein-1/CCL2 (P = 0·018) and decreased IL-5 (P = 0·027), including among those in the MELD ≥ 15 group, for whom IL-10 was also increased (P = 0·008). Thus, WP consumption by patients with CLD impacted the immunomodulatory responses when compared with CA with no impact on nutritional status.
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Gwin JA, Church DD, Wolfe RR, Ferrando AA, Pasiakos SM. Muscle Protein Synthesis and Whole-Body Protein Turnover Responses to Ingesting Essential Amino Acids, Intact Protein, and Protein-Containing Mixed Meals with Considerations for Energy Deficit. Nutrients 2020; 12:nu12082457. [PMID: 32824200 PMCID: PMC7469068 DOI: 10.3390/nu12082457] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/07/2020] [Accepted: 08/13/2020] [Indexed: 02/07/2023] Open
Abstract
Protein intake recommendations to optimally stimulate muscle protein synthesis (MPS) are derived from dose-response studies examining the stimulatory effects of isolated intact proteins (e.g., whey, egg) on MPS in healthy individuals during energy balance. Those recommendations may not be adequate during periods of physiological stress, specifically the catabolic stress induced by energy deficit. Providing supplemental intact protein (20–25 g whey protein, 0.25–0.3 g protein/kg per meal) during strenuous military operations that elicit severe energy deficit does not stimulate MPS-associated anabolic signaling or attenuate lean mass loss. This occurs likely because a greater proportion of the dietary amino acids consumed are targeted for energy-yielding pathways, whole-body protein synthesis, and other whole-body essential amino acid (EAA)-requiring processes than the proportion targeted for MPS. Protein feeding formats that provide sufficient energy to offset whole-body energy and protein-requiring demands during energy deficit and leverage EAA content, digestion, and absorption kinetics may optimize MPS under these conditions. Understanding the effects of protein feeding format-driven alterations in EAA availability and subsequent changes in MPS and whole-body protein turnover is required to design feeding strategies that mitigate the catabolic effects of energy deficit. In this manuscript, we review the effects, advantages, disadvantages, and knowledge gaps pertaining to supplemental free-form EAA, intact protein, and protein-containing mixed meal ingestion on MPS. We discuss the fundamental role of whole-body protein balance and highlight the importance of comprehensively assessing whole-body and muscle protein kinetics when evaluating the anabolic potential of varying protein feeding formats during energy deficit.
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Affiliation(s)
- Jess A. Gwin
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA;
- Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
| | - David D. Church
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (D.D.C); (R.R.W.); (A.A.F.)
| | - Robert R. Wolfe
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (D.D.C); (R.R.W.); (A.A.F.)
| | - Arny A. Ferrando
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging & Longevity, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA; (D.D.C); (R.R.W.); (A.A.F.)
| | - Stefan M. Pasiakos
- Military Nutrition Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA;
- Correspondence: ; Tel.: +1-508-206-2353
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Synergetic effects of whey protein isolate and naringin on physical and oxidative stability of oil-in-water emulsions. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2019.105517] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Caloric restriction induces anabolic resistance to resistance exercise. Eur J Appl Physiol 2020; 120:1155-1164. [PMID: 32236752 PMCID: PMC8233264 DOI: 10.1007/s00421-020-04354-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 03/21/2020] [Indexed: 12/21/2022]
Abstract
Purpose Weight loss can result in the loss of muscle mass and bone mineral density. Resistance exercise is commonly prescribed to attenuate these effects. However, the anabolic endocrine response to resistance exercise during caloric restriction has not been characterized. Methods Participants underwent 3-day conditions of caloric restriction (15 kcal kg FFM−1) with post-exercise carbohydrate (CRC) and with post-exercise protein (CRP), and an energy balance control (40 kcal kg FFM−1) with post-exercise carbohydrate (CON). Serial blood draws were taken following five sets of five repetitions of the barbell back squat exercise on day 3 of each condition. Results In CRC and CRP, respectively, growth hormone peaked at 2.6 ± 0.4 and 2.5 ± 0.9 times the peak concentrations observed during CON. Despite this, insulin-like growth factor-1 concentrations declined 18.3 ± 3.4% in CRC and 27.2 ± 3.8% in CRP, which was greater than the 7.6 ± 3.6% decline in CON, over the subsequent 24 h. Sclerostin increased over the first 2 days of each intervention by 19.2 ± 5.6% in CRC, 21.8 ± 6.2% in CRP and 13.4 ± 5.9% in CON, but following the resistance exercise bout, these increases were attenuated and no longer significant. Conclusion During caloric restriction, there is considerable endocrine anabolic resistance to a single bout of resistance exercise which persists in the presence of post-exercise whey protein supplementation. Alternative strategies to restore the sensitivity of insulin-like growth factor-1 to growth hormone need to be explored. Electronic supplementary material The online version of this article (10.1007/s00421-020-04354-0) contains supplementary material, which is available to authorized users.
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Blair M, Kellow NJ, Dordevic AL, Evans S, Caissutti J, McCaffrey TA. Health Benefits of Whey or Colostrum Supplementation in Adults ≥35 Years; a Systematic Review. Nutrients 2020; 12:E299. [PMID: 31979025 PMCID: PMC7070284 DOI: 10.3390/nu12020299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/17/2020] [Accepted: 01/19/2020] [Indexed: 01/20/2023] Open
Abstract
Food-health claims are an important method of translating nutrition research to consumers. Whey and colostrum are thought to exert health benefits to adults, but it is unclear what measurable, objective health benefits they impart. This review aimed to identify the objective health benefits of bovine whey or colostrum-based beverages to healthy adults aged ≥35 years to substantiate a food-health claim. Seven databases were systematically searched. Eligible articles were RCTs that involved healthy adults aged ≥35 years, consuming whey or colostrum in beverage form and measuring objective health markers. Quality assessment and data extraction was conducted in duplicate. The searches identified 9943 papers and 16 were included in this review; 13 studies, reported across 15 papers, related to whey, one study to colostrum. The outcomes identified were body composition, bone mineral density, biochemical markers, such as blood glucose and lipids, and muscle strength and synthesis. Heterogeneous outcomes, high risk of bias and inconsistent findings resulted in inconclusive evidence to substantiate a food-health claim. Clearer reporting and consensus on a minimum set of objective measures would allow for more robust recommendations regarding food-health claims. Protecting consumers from misleading health claims will require collaboration between regulators, researchers, and the food industry.
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Affiliation(s)
| | | | | | | | | | - Tracy A. McCaffrey
- Department of Nutrition, Dietetics and Food, Monash University, Level 1 264 Ferntree Gully Road, Melbourne, VIC 3168, Australia; (M.B.); (N.J.K.); (A.L.D.); (S.E.); (J.C.)
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Rafey MF, Murphy CF, Abdalgwad R, Kilkelly K, Griffin H, Beatty N, O’Shea PM, Collins C, McGrath R, Hynes M, Davenport C, O’Donnell M, Finucane FM. Effects of a Milk-Based Meal Replacement Program on Weight and Metabolic Characteristics in Adults with Severe Obesity. Diabetes Metab Syndr Obes 2020; 13:197-205. [PMID: 32158243 PMCID: PMC6986176 DOI: 10.2147/dmso.s226327] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/15/2019] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE Low energy meal replacement regimens can induce short-term weight loss in patients with severe obesity, but usually require specially formulated dietary supplements. We sought to determine the effects of a milk-based meal replacement program on anthropometric and metabolic characteristics in adults with severe obesity. METHODS We conducted a retrospective cohort study of patients attending our hospital-based bariatric medicine service who completed a 24-week program consisting of eight weeks of milk-based meal replacement followed by weight stabilisation and maintenance phases. Patients were seen fortnightly by the bariatric physician, nurse and dietitian. We assessed changes in anthropometric and metabolic outcomes in completers at 0, 8, 16 and 24 weeks. RESULTS Of 105 program completers available for follow-up, 53.3% were female. Mean age was 51.1±11.2 years. Body weight decreased from 144.0±27.6 kg at baseline to 121.1±25.0 kg at 24 weeks (P<0.001), a mean total body weight loss of 15.9±6.0%, with a reduction in body mass index from 50.6±8.0 to 42.6±7.6 kg m-2 (P<0.001). In patients with diabetes, haemoglobin A1c decreased from 66.3±13.0 to 48.3±13.5 mmol/mol (P<0.001) and diabetes medication use decreased significantly. There were significant improvements also in lipid profiles and reductions in antihypertensive medication use. CONCLUSION These preliminary findings suggest that completion of a 24-week milk-based meal replacement program has large effects on important outcomes in adults with severe obesity. However, attrition was high. Prospective assessment of the efficacy, safety, durability and cost-effectiveness of this intervention seems warranted.
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Affiliation(s)
- Mohammed F Rafey
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
| | - Conor F Murphy
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
| | - Razk Abdalgwad
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
| | - Katriona Kilkelly
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
| | - Helena Griffin
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
| | - Niamh Beatty
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
| | - Paula M O’Shea
- Department of Clinical Biochemistry, Galway University Hospitals, Galway, Ireland
| | - Chris Collins
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
- Department of Surgery, Galway University Hospitals, Galway, Ireland
| | - Robert McGrath
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
| | - Mary Hynes
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
| | - Colin Davenport
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
| | - Martin O’Donnell
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
| | - Francis M Finucane
- Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospitals, Galway, Ireland
- HRB Clinical Research Facility, National University of Ireland, Galway, Ireland
- Correspondence: Francis M Finucane Bariatric Medicine Service, Centre for Diabetes, Endocrinology and Metabolism, Galway University Hospital, Galway, IrelandTel +353 91 542711 Email
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Mu Y, Kou T, Wei B, Lu X, Liu J, Tian H, Zhang W, Liu B, Li H, Cui W, Wang Q. Soy Products Ameliorate Obesity-Related Anthropometric Indicators in Overweight or Obese Asian and Non-Menopausal Women: A Meta-Analysis of Randomized Controlled Trials. Nutrients 2019; 11:nu11112790. [PMID: 31731772 PMCID: PMC6893485 DOI: 10.3390/nu11112790] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 01/14/2023] Open
Abstract
Background: The effect of soy products on the weight of overweight or obese people is controversial, so we aimed to conduct a systematic review and a meta-analysis of published randomized controlled trials to analyze whether supplementation with soy products can help them to lose weight. Methods: The relevant data before January 2019 in PubMed, Embase and Cochrane Library were searched. A random-effect model was adopted to calculate the weighted average difference of net changes of body weight, body mass index (BMI), body fat percentage, fat mass, waist circumference, etc. Results: A total of 22 trials (870 overweight or obese participants) were reflected in the present meta-analysis. Analysis showed that soy products significantly reduced body weight, BMI, body fat percent and waist circumference in overweight or obese Asian populations (−0.37 kg, P = 0.010; −0.27 kg/m2, P = 0.042; −0.36%, P = 0.032; −0.35 cm, P = 0.049) and more significant effects were observed in non-menopausal women reduced body weight (−0.59 kg, P = 0.041), BMI (−0.59, P = 0.041) and waist circumference (−0.59 cm, P = 0.041) in overweight or obese populations. Conclusion: This meta-analysis showed that soy products have weight loss effects, mainly due to soy protein, isoflavone and soy fiber.
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Affiliation(s)
- Yuze Mu
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Tingyan Kou
- Junan County Health Bureau, Linyi 276600, China;
| | - Boyang Wei
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Xuezhao Lu
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Jingyao Liu
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Huimin Tian
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Wenwen Zhang
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Bingkun Liu
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Huihui Li
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Wenbo Cui
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
| | - Qiuzhen Wang
- Department of the College of Public Health, Qingdao University, Qingdao 266071, China; (Y.M.); (B.W.); (X.L.); (J.L.); (H.T.); (W.Z.); (B.L.); (H.L.); (W.C.)
- Correspondence: ; Tel.: +86-532-8299-1503
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Beaudry KM, Devries MC. Nutritional Strategies to Combat Type 2 Diabetes in Aging Adults: The Importance of Protein. Front Nutr 2019; 6:138. [PMID: 31555655 PMCID: PMC6724448 DOI: 10.3389/fnut.2019.00138] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/13/2019] [Indexed: 12/14/2022] Open
Abstract
The prevalence of pre-diabetes (PD) and type II diabetes (T2D) has risen dramatically in recent years affecting an estimated 422 million adults worldwide. The risk of T2D increases with age, with the sharpest rise in diagnosis occurring after age 40. With age, there is also a progressive decline in muscle mass starting after the age of 30. The decline in muscle mass and function due to aging is termed sarcopenia and immediately precedes the sharp rise in T2D. The purpose of the current review is to discuss the role of protein to attenuate declines in muscle mass and insulin sensitivity to prevent T2D and sarcopenia in aging adults. The current recommended dietary allowance for protein consumption is set at 0.8 g/kg/day and is based on dated studies on young healthy men and may not be sufficient for older adults. Protein consumption upwards of 1.0-1.5 g/kg/day in older adults is able to induce improvements in glycemic control and muscle mass. Obesity, particularly central or visceral obesity is a major risk factor in the development of PD and T2D. However, the tissue composition of weight loss in older adults includes both lean body mass and fat mass and therefore may have adverse metabolic consequences in older adults who are already at a high risk of lean body mass loss. High protein diets have the ability to increase weight loss while preserving lean body mass therefore inducing "high-quality weight loss," which provides favorable metabolic changes in older adults. High protein diets also induce beneficial outcomes on glycemic markers due to satiety, lowered post-prandial glucose response, increased thermogenesis, and the ability to decrease rates of muscle protein breakdown (MPB). The consumption of dairy specific protein consumption has also been shown to improve insulin sensitivity by improving body composition, enhancing insulin release, accelerating fat oxidation, and stimulating rates of muscle protein synthesis (MPS) in older adults. Exercise, specifically resistance training, also works synergistically to attenuate the progression of PD and T2D by further stimulating rates of MPS thereby increasing muscle mass and inducing favorable changes in glycemic control independent of lean body mass increases.
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Affiliation(s)
- Kayleigh M Beaudry
- Department of Kinesiology, Faculty of Applied Health Sciences, University of Waterloo, Waterloo, ON, Canada
| | - Michaela C Devries
- Department of Kinesiology, Faculty of Applied Health Sciences, University of Waterloo, Waterloo, ON, Canada
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Abstract
Objective: In this review, we analyze the foundation of sarcopenia as a potentially modifiable risk factor for falls, and we try to formulate practical strategies for nutritional interventions aimed at reducing the risk for sarcopenia and falls in our elderly patients. Methods: An extensive literature search was performed using the PubMed and the Google Scholar databases. Results: Falls are a common and costly source of injury and death in elderly adults. A large proportion of injurious falls are due to a trip or slip, suggesting that muscular factors are major determinants of both fall risk and the risk for fall-related injury. Conclusion: An increasing body of evidence links sarcopenia, the loss of muscle strength and mass that occurs with advancing age, with an increased risk for falls. Nutritional factors, as well as exercise, can help with both prevention and treatment of sarcopenia and may reduce the risk of falls in the elderly. Abbreviations: 25-OHD = 25-hydroxyvitamin D; EAA = essential amino acid; IGF-1 = insulin-like growth factor 1; IU = international units; MPS = muscle protein synthesis; PUFA = polyunsaturated fatty acid.
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Beals JW, Burd NA, Moore DR, van Vliet S. Obesity Alters the Muscle Protein Synthetic Response to Nutrition and Exercise. Front Nutr 2019; 6:87. [PMID: 31263701 PMCID: PMC6584965 DOI: 10.3389/fnut.2019.00087] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022] Open
Abstract
Improving the health of skeletal muscle is an important component of obesity treatment. Apart from allowing for physical activity, skeletal muscle tissue is fundamental for the regulation of postprandial macronutrient metabolism, a time period that represents when metabolic derangements are most often observed in adults with obesity. In order for skeletal muscle to retain its capacity for physical activity and macronutrient metabolism, its protein quantity and composition must be maintained through the efficient degradation and resynthesis for proper tissue homeostasis. Life-style behaviors such as increasing physical activity and higher protein diets are front-line treatment strategies to enhance muscle protein remodeling by primarily stimulating protein synthesis rates. However, the muscle of individuals with obesity appears to be resistant to the anabolic action of targeted exercise regimes and protein ingestion when compared to normal-weight adults. This indicates impaired muscle protein remodeling in response to the main anabolic stimuli to human skeletal muscle tissue is contributing to poor muscle health with obesity. Deranged anabolic signaling related to insulin resistance, lipid accumulation, and/or systemic/muscle inflammation are likely at the root of the anabolic resistance of muscle protein synthesis rates with obesity. The purpose of this review is to discuss the impact of protein ingestion and exercise on muscle protein remodeling in people with obesity, and the potential mechanisms underlining anabolic resistance of their muscle.
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Affiliation(s)
- Joseph W Beals
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, MO, United States
| | - Nicholas A Burd
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Daniel R Moore
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON, Canada
| | - Stephan van Vliet
- Duke Molecular Physiology Institute, Duke University Medical Center, Durham, NC, United States
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Hu J, Zhao T, Li S, Wang Z, Wen C, Wang H, Yu C, Ji C. Stability, microstructure, and digestibility of whey protein isolate – Tremella fuciformis polysaccharide complexes. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.11.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Dietary Protein for Training Adaptation and Body Composition Manipulation in Track and Field Athletes. Int J Sport Nutr Exerc Metab 2019; 29:165-174. [PMID: 30507259 DOI: 10.1123/ijsnem.2018-0267] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Track and field athletes engage in vigorous training that places stress on physiological systems requiring nutritional support for optimal recovery. Of paramount importance when optimizing recovery nutrition are rehydration and refueling which are covered in other papers in this volume. Here, we highlight the benefits for dietary protein intake over and above requirements set out in various countries at ∼0.8-1.0 g·kg body mass (BM)-1·day-1 for training adaptation, manipulating body composition, and optimizing performance in track and field athletes. To facilitate the remodeling of protein-containing structures, which are turning over rapidly due to their training volumes, track and field athletes with the goal of weight maintenance or weight gain should aim for protein intakes of ∼1.6 g·kg BM-1·day-1. Protein intakes at this level would not necessarily require an overemphasis on protein-containing foods and, beyond convenience, does not suggest a need to use protein or amino acid-based supplements. This review also highlights that optimal protein intakes may exceed 1.6 g·kg BM-1·day-1 for athletes who are restricting energy intake and attempting to minimize loss of lean BM. We discuss the underpinning rationale for weight loss in track and field athletes, explaining changes in metabolic pathways that occur in response to energy restriction when manipulating protein intake and training. Finally, this review offers practical advice on protein intakes that warrant consideration in allowing an optimal adaptive response for track and field athletes seeking to train effectively and to lose fat mass while energy restricted with minimal (or no) loss of lean BM.
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Liao Y, Peng Z, Chen L, Zhang Y, Cheng Q, Nüssler AK, Bao W, Liu L, Yang W. Prospective Views for Whey Protein and/or Resistance Training Against Age-related Sarcopenia. Aging Dis 2019; 10:157-173. [PMID: 30705776 PMCID: PMC6345331 DOI: 10.14336/ad.2018.0325] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 03/25/2018] [Indexed: 12/12/2022] Open
Abstract
Skeletal muscle aging is characterized by decline in skeletal muscle mass and function along with growing age, which consequently leads to age-related sarcopenia, if without any preventive timely treatment. Moreover, age-related sarcopenia in elder people would contribute to falls and fractures, disability, poor quality of life, increased use of hospital services and even mortality. Whey protein (WP) and/or resistance training (RT) has shown promise in preventing and treating age-related sarcopenia. It seems that sex hormones could be potential contributors for gender differences in skeletal muscle and age-related sarcopenia. In addition, skeletal muscle and the development of sarcopenia are influenced by gut microbiota, which in turn is affected by WP or RT. Gut microbiota may be a key factor for WP and/or RT against age-related sarcopenia. Therefore, focusing on sex hormones and gut microbiota may do great help for preventing, treating and better understanding age-related sarcopenia.
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Affiliation(s)
- Yuxiao Liao
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhao Peng
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liangkai Chen
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Zhang
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Cheng
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Andreas K Nüssler
- 3Department of Traumatology, BG Trauma center, University of Tübingen, Tübingen, Germany
| | - Wei Bao
- 4Department of Epidemiology, College of Public Health, University of Iowa, IA 52242, USA
| | - Liegang Liu
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Yang
- 1Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,2MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Fassina P, Quadros Nunes G, Scherer Adami F, Goettert MI, Volken de Souza CF. Importance of Cheese Whey Processing: Supplements for Sports Activities – a Review. POL J FOOD NUTR SCI 2019. [DOI: 10.31883/pjfns-2019-0008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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43
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The Muscle Protein Synthetic Response to Meal Ingestion Following Resistance-Type Exercise. Sports Med 2019; 49:185-197. [DOI: 10.1007/s40279-019-01053-5] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Bell KE, Brook MS, Snijders T, Kumbhare D, Parise G, Smith K, Atherton PJ, Phillips SM. Integrated Myofibrillar Protein Synthesis in Recovery From Unaccustomed and Accustomed Resistance Exercise With and Without Multi-ingredient Supplementation in Overweight Older Men. Front Nutr 2019; 6:40. [PMID: 31032258 PMCID: PMC6470195 DOI: 10.3389/fnut.2019.00040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 03/20/2019] [Indexed: 12/30/2022] Open
Abstract
Background: We previously showed that daily consumption of a multi-ingredient nutritional supplement increased lean mass in older men, but did not enhance lean tissue gains during a high-intensity interval training (HIIT) plus resistance exercise training (RET) program. Here, we aimed to determine whether these divergent observations aligned with the myofibrillar protein synthesis (MyoPS) response to acute unaccustomed and accustomed resistance exercise. Methods: A sub-sample of our participants were randomly allocated (n = 15; age: 72 ± 7 years; BMI: 26.9 ± 3.1 kg/m2 [mean ± SD]) to ingest an experimental supplement (SUPP, n = 8: containing whey protein, creatine, vitamin D, and n-3 PUFA) or control beverage (CON, n = 7: 22 g maltodextrin) twice per day for 21 weeks. After 7 weeks of consuming the beverage alone (Phase 1: SUPP/CON only), subjects completed 12 weeks of RET (twice per week) + HIIT (once per week) (Phase 2: SUPP/CON + EX). Orally administered deuterated water was used to measure integrated rates of MyoPS over 48 h following a single session of resistance exercise pre- (unaccustomed) and post-training (accustomed). Results: Following an acute bout of accustomed resistance exercise, 0-24 h MyoPS was 30% higher than rest in the SUPP group (effect size: 0.86); however, in the CON group, 0-24 h MyoPS was 0% higher than rest (effect size: 0.04). Nonetheless, no within or between group changes in MyoPS were statistically significant. When collapsed across group, rates of MyoPS in recovery from acute unaccustomed resistance exercise were positively correlated with training-induced gains in whole body lean mass (r = 0.63, p = 0.01). Conclusion: There were no significant between-group differences in MyoPS pre- or post-training. Integrated rates of MyoPS post-acute exercise in the untrained state were positively correlated with training-induced gains in whole body lean mass. Our finding that supplementation did not alter 0-48 h MyoPS following 12 weeks of training suggests a possible adaptive response to longer-term increased protein intake and warrants further investigation. This study was registered at ClinicalTrials.gov. Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT02281331.
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Affiliation(s)
- Kirsten E. Bell
- Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada
| | - Matthew S. Brook
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Tim Snijders
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Dinesh Kumbhare
- Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Gianni Parise
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, ON, Canada
| | - Ken Smith
- School of Graduate Entry Medicine and Health, University of Nottingham, Derby, United Kingdom
| | - Philip J. Atherton
- School of Graduate Entry Medicine and Health, University of Nottingham, Derby, United Kingdom
| | - Stuart M. Phillips
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, ON, Canada
- *Correspondence: Stuart M. Phillips
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Carbone JW, McClung JP, Pasiakos SM. Recent Advances in the Characterization of Skeletal Muscle and Whole-Body Protein Responses to Dietary Protein and Exercise during Negative Energy Balance. Adv Nutr 2019; 10:70-79. [PMID: 30596808 PMCID: PMC6370268 DOI: 10.1093/advances/nmy087] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/01/2018] [Indexed: 01/02/2023] Open
Abstract
In a review published in 2012, we concluded that higher-protein diets preserve muscle mass during energy deficit via stimulated mammalian target of rapamycin complex 1 signaling, coincident increased muscle protein synthesis (PS), inhibited ubiquitin-mediated proteolysis, and suppressed muscle protein breakdown (PB). Since then, there have been significant advances in understanding the fundamental effects of higher-protein diets, with or without exercise training, on muscle and whole-body protein homeostasis during negative energy balance. Therefore, an update on the evolution of this field of research is warranted to better inform recommendations on best practices for healthy weight loss and muscle preservation. We will review the most recent studies examining the effects of higher-protein diets and negative energy balance on body composition, muscle PS, muscle PB, associated intracellular regulatory pathway activities, and whole-body protein homeostasis. In addition to critically analyzing contemporary findings, knowledge gaps and opportunities for continued research will be identified. Overall, the newest research confirms that consuming higher-protein diets, particularly when coupled with resistance exercise, preserves muscle mass and maintains whole-body protein homeostasis during moderate energy deficits (i.e., normal weight loss). However, these newer findings also indicate that as the magnitude of energy deficit increases, the efficacy of higher-protein diets for mitigating losses of fat-free mass is diminished. Further, recent results suggest that alterations in muscle PS, more so than muscle PB, may be primarily responsible for changes in muscle mass that occur in response to negative energy balance.
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Affiliation(s)
- John W Carbone
- School of Health Sciences, Eastern Michigan University, Ypsilanti, MI,Address correspondence to JWC (e-mail: )
| | - James P McClung
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA
| | - Stefan M Pasiakos
- Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA
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Larsen AE, Bibby BM, Hansen M. Effect of a Whey Protein Supplement on Preservation of Fat Free Mass in Overweight and Obese Individuals on an Energy Restricted Very Low Caloric Diet. Nutrients 2018; 10:E1918. [PMID: 30518130 PMCID: PMC6315656 DOI: 10.3390/nu10121918] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 11/29/2018] [Accepted: 12/02/2018] [Indexed: 12/17/2022] Open
Abstract
The obesity epidemic has caused a widespread interest in strategies to achieve a healthy "high quality" weight loss, where excess fat is lost, while fat free mass (FFM) is preserved. In this study, we aimed to examine the effect of whey protein supplementation given before night sleep on FFM preservation during a 4-week (wk) period on a very low caloric diet (VLCD). Twenty-nine obese subjects (body mass index (BMI) > 28 kg/m²) completed a 4-week intervention including a VLCD and a walking program (30 min walking × 5 times per week). Subjects were randomly assigned to either control (CON, n = 15) or a whey protein supplement (PRO, 0.4 g protein/kg/day, n = 14), ingested before bedtime. Body composition (dual-energy X-ray absorptiometry, DXA), blood analysis and physical test were performed pre and post intervention. We measured nitrogen excretion in three 24 h urine collections (Day 0, 7 and 28) to assess nitrogen balance. Changes in nitrogen balance (NB) after 7 and 28 days was different between treatment groups (interaction p < 0.05). PRO was in NB after 7 days and in positive NB at day 28. In contrast, CON was in negative NB at day 7, but in NB at day 28. Nevertheless, no significant group differences were observed in the change in pre- and post-FFM measurements (-2.5 kg, [95% CI: 1.9; 3.1], p = 0.65). In conclusion, ingestion of a whey protein supplement before bedtime during a 4-week period on a VLCD improved nitrogen balance, but did not lead to any significant improvement in the quality of the weight loss in regard to observed changes in body composition and health parameters compared with controls.
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Affiliation(s)
- Anne Ellegaard Larsen
- Section of Sport Sciences, Department of Public Health, Aarhus University, Dalgas Avenue 4, 8000 Aarhus C, Denmark.
| | - Bo Martin Bibby
- Section of Biostatistics, Department of Public Health, Aarhus University, Bartholins Alle 2, 800 Aarhus C, Denmark.
| | - Mette Hansen
- Section of Sport Sciences, Department of Public Health, Aarhus University, Dalgas Avenue 4, 8000 Aarhus C, Denmark.
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Matsuda T, Kato H, Suzuki H, Mizugaki A, Ezaki T, Ogita F. Within-Day Amino Acid Intakes and Nitrogen Balance in Male Collegiate Swimmers during the General Preparation Phase. Nutrients 2018; 10:E1809. [PMID: 30463354 PMCID: PMC6266158 DOI: 10.3390/nu10111809] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/08/2018] [Accepted: 11/16/2018] [Indexed: 11/16/2022] Open
Abstract
A higher protein intake is recommended for athletes compared to healthy non-exercising individuals. Additionally, the distribution and quality (i.e., leucine content) of the proteins consumed throughout the day should be optimized. This study aimed to determine the nitrogen balance and distribution of protein and amino acid intakes in competitive swimmers during the general preparation phase. Thirteen swimmers (age: 19.7 ± 1.0 years; VO₂max: 63.9 ± 3.7 mL·kg-1·min-1, mean ± standard deviation) participated in a five-day experimental training period. Nutrient intakes were assessed using dietary records. Nitrogen balance was calculated from the daily protein intake and urinary nitrogen excretion. The intake amounts of amino acids and protein at seven eating occasions were determined. The average and population-safe intakes for zero nitrogen balance were estimated at 1.43 and 1.92 g·kg-1·day-1, respectively. The intake amounts of protein and leucine at breakfast, lunch, and dinner satisfied current guidelines for the maximization of muscle protein synthesis, but not in the other four occasions. The population-safe protein intake level in competitive swimmers was in the upper range (i.e., 1.2⁻2.0 g·kg-1·day-1) of the current recommendations for athletes. The protein intake distribution and quality throughout the day may be suboptimal for the maximization of the skeletal muscle adaptive response to training.
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Affiliation(s)
- Takeshi Matsuda
- Department of Sports and Life Sciences, National Institute of Fitness and Sports, 1 Shiromizu-cho, Kanoya, Kagoshima 891-2393, Japan.
| | - Hiroyuki Kato
- Frontier Research Laboratories, Institute for Innovation, Ajinomoto Co., Inc., 1-1 Suzuki-cho, Kawasaki, Kanagawa 210-8681, Japan.
- Olympic and Paralympic Promotional Office, Ajinomoto Co., Inc., 1-15-1 Kyobashi, Tokyo 210-8681, Japan.
| | - Haruka Suzuki
- Olympic and Paralympic Promotional Office, Ajinomoto Co., Inc., 1-15-1 Kyobashi, Tokyo 210-8681, Japan.
| | - Ami Mizugaki
- Frontier Research Laboratories, Institute for Innovation, Ajinomoto Co., Inc., 1-1 Suzuki-cho, Kawasaki, Kanagawa 210-8681, Japan.
- Olympic and Paralympic Promotional Office, Ajinomoto Co., Inc., 1-15-1 Kyobashi, Tokyo 210-8681, Japan.
| | - Takahiko Ezaki
- Olympic and Paralympic Promotional Office, Ajinomoto Co., Inc., 1-15-1 Kyobashi, Tokyo 210-8681, Japan.
| | - Futoshi Ogita
- Department of Sports and Life Sciences, National Institute of Fitness and Sports, 1 Shiromizu-cho, Kanoya, Kagoshima 891-2393, Japan.
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Oppert JM, Bellicha A, Roda C, Bouillot JL, Torcivia A, Clement K, Poitou C, Ciangura C. Resistance Training and Protein Supplementation Increase Strength After Bariatric Surgery: A Randomized Controlled Trial. Obesity (Silver Spring) 2018; 26:1709-1720. [PMID: 30358153 DOI: 10.1002/oby.22317] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/27/2018] [Accepted: 08/16/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Physical activity and dietary regimens to optimize health outcomes after bariatric surgery are not well known. This study aimed to determine whether resistance training with dietary protein supplementation is effective in maintaining body composition and physical fitness after obesity surgery. METHODS Seventy-six women with obesity undergoing Roux-en-Y gastric bypass were randomly assigned at the time of surgery to receive either usual care (controls [CON], n = 22), usual care and additional (whey) protein intake (PRO, n = 31), or usual care, additional protein intake, and supervised strength training for 18 weeks (PRO+EX, n = 23). The primary outcome was pre- to 6-month postsurgery change in lean body mass (by dual-energy x-ray absorptiometry). Secondary outcomes included changes in muscle strength (by one-repetition maximum testing). RESULTS Loss over time in lean body mass did not differ between groups (CON: mean,-8.8 kg; 95% CI: -10.1 to -7.5 kg; PRO: mean, -8.2 kg; 95% CI: -9.3 to -7.1 kg; PRO+EX: mean, -7.7 kg; 95% CI: -9.0 to -6.5 kg; P = 0.899). The increase in relative lower-limb muscle strength was higher in the PRO+EX group (+0.6 [0.3 to 0.8]) versus +0.1 (-0.1 to 0.4) and +0.2 (0.0 to 0.4) kg/kg body mass in CON and PRO groups, respectively (P = 0.021). CONCLUSIONS Loss in muscle strength observed after bariatric surgery can be overcome by resistance training with additional protein intake.
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Affiliation(s)
- Jean-Michel Oppert
- Department of Nutrition, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
| | - Alice Bellicha
- Department of Nutrition, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
- Laboratory of Bioengineering, Tissues and Neuroplasticity (BIOTN), University Paris-Est, Créteil, France
| | - Celina Roda
- ISGlobal, The Barcelona Institute for Global Health, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
| | - Jean-Luc Bouillot
- Department of Visceral Surgery, Ambroise Paré Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), University Versailles-Saint-Quentin, Boulogne, France
| | - Adriana Torcivia
- Department of Digestive and Hepato-Pancreato-Biliary Surgery, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Paris, France
| | - Karine Clement
- Department of Nutrition, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
- Nutriomics Team, INSERM, UMRS U1166, Paris, France
| | - Christine Poitou
- Department of Nutrition, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
- Nutriomics Team, INSERM, UMRS U1166, Paris, France
| | - Cecile Ciangura
- Department of Nutrition, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Sorbonne Université, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
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Murphy CH, Roche HM. Nutrition and physical activity countermeasures for sarcopenia: Time to get personal? NUTR BULL 2018. [DOI: 10.1111/nbu.12351] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- C. H. Murphy
- University College Dublin; Belfield Dublin 4 Ireland
| | - H. M. Roche
- Institute of Global Food Security; Queens University Belfast; Belfast UK
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Silveira MR, Coutinho NM, Rocha RS, Moraes J, Esmerino EA, Pimentel TC, Freitas MQ, Silva MC, Raices RSL, Senaka Ranadheera C, Borges FO, Fonteles TV, Neto RPC, Tavares MIB, Fernandes FAN, Rodrigues S, Cruz AG. Guava flavored whey-beverage processed by cold plasma: Physical characteristics, thermal behavior and microstructure. Food Res Int 2018; 119:564-570. [PMID: 30884690 DOI: 10.1016/j.foodres.2018.10.033] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 09/30/2018] [Accepted: 10/07/2018] [Indexed: 11/15/2022]
Abstract
The present study aimed to compare the physicochemical (pH), physical (rheology parameters and particle size), microstructure (optical microscopy) and thermal properties (differential scanning calorimetry) of guava flavored whey-beverages submitted to cold plama technology in different processing time (5, 10, and 15 min) and gas flow (10, 20, and 30 mL min-1) conditions with a conventional pasteurized product. Whey beverages treated by cold plasma presented higher pH values, lower consistency and lower viscosity, and a flow behavior index similar to Newtonian fluids. Milder cold plasma conditions resulted in whey beverages with higher pH, lower viscosity and consistency, and similar particle distribution and microstructure compared to the pasteurized product. In contrast, more severe processing conditions resulted in a higher particle surface area ([D 3,2]) and smaller particles (~10 μM), due to the decrease in the number of larger particles (1000 μM), cell rupture, the formation of cell fragments, and higher viscosity and consistency. The treatments did not affect the thermal properties (enthalpy and bound water) of any sample.
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Affiliation(s)
- Marcello R Silveira
- Universidade Federal Fluminense (UFF), Faculdade de Medicina Veterinária, 24230-340 Niterói, Brazil
| | - Nathalia M Coutinho
- Universidade Federal Fluminense (UFF), Faculdade de Medicina Veterinária, 24230-340 Niterói, Brazil
| | - Ramon S Rocha
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, 20270-021 Rio de Janeiro, Brazil
| | - Jeremias Moraes
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, 20270-021 Rio de Janeiro, Brazil
| | - Erick A Esmerino
- Universidade Federal Rural do Rio de Janeiro (UFRRJ), Instituto de Tecnologia (IT), Seropédica 23890-000, Rio de Janeiro, Brazil
| | | | - Monica Q Freitas
- Universidade Federal Fluminense (UFF), Faculdade de Medicina Veterinária, 24230-340 Niterói, Brazil
| | - Marcia C Silva
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, 20270-021 Rio de Janeiro, Brazil
| | - Renata S L Raices
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, 20270-021 Rio de Janeiro, Brazil
| | - C Senaka Ranadheera
- The University of Melbourne, Faculty of Veterinary & Agricultural Sciences, School of Agriculture & Food, Melbourne, VIC 3010, Australia
| | - Fábio O Borges
- Universidade Federal Fluminense (UFF), Instituto de Física, 24210-340 Niteroi, Brazil
| | - Thatyane V Fonteles
- Universidade Federal do Ceará (UFC), Departamento de Engenharia de Alimentos, 60440-900 Fortaleza, Ceará, Brazil
| | - Roberto P C Neto
- Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Macromoléculas Professora Eloisa Mano (IMA), 21941-598 Rio de Janeiro, Brazil
| | - Maria Inês B Tavares
- Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Macromoléculas Professora Eloisa Mano (IMA), 21941-598 Rio de Janeiro, Brazil
| | - Fabiano A N Fernandes
- Universidade Federal do Ceará (UFC), Departamento de Engenharia Química, 60440-900 Fortaleza, Ceará, Brazil
| | - Sueli Rodrigues
- Universidade Federal do Ceará (UFC), Departamento de Engenharia de Alimentos, 60440-900 Fortaleza, Ceará, Brazil
| | - Adriano G Cruz
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Departamento de Alimentos, 20270-021 Rio de Janeiro, Brazil.
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