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Pradhan R, Dieterich W, Natarajan A, Schwappacher R, Reljic D, Herrmann HJ, Neurath MF, Zopf Y. Influence of Amino Acids and Exercise on Muscle Protein Turnover, Particularly in Cancer Cachexia. Cancers (Basel) 2024; 16:1921. [PMID: 38791998 PMCID: PMC11119313 DOI: 10.3390/cancers16101921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
Cancer cachexia is a multifaceted syndrome that impacts individuals with advanced cancer. It causes numerous pathological changes in cancer patients, such as inflammation and metabolic dysfunction, which further diminish their quality of life. Unfortunately, cancer cachexia also increases the risk of mortality in affected individuals, making it an important area of focus for cancer research and treatment. Several potential nutritional therapies are being tested in preclinical and clinical models for their efficacy in improving muscle metabolism in cancer patients. Despite promising results, no special nutritional therapies have yet been validated in clinical practice. Multiple studies provide evidence of the benefits of increasing muscle protein synthesis through an increased intake of amino acids or protein. There is also increasing evidence that exercise can reduce muscle atrophy by modulating protein synthesis. Therefore, the combination of protein intake and exercise may be more effective in improving cancer cachexia. This review provides an overview of the preclinical and clinical approaches for the use of amino acids with and without exercise therapy to improve muscle metabolism in cachexia.
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Affiliation(s)
- Rashmita Pradhan
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Walburga Dieterich
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Anirudh Natarajan
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Raphaela Schwappacher
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Dejan Reljic
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Hans J. Herrmann
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
| | - Yurdagül Zopf
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
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Amawi A, AlKasasbeh W, Jaradat M, Almasri A, Alobaidi S, Hammad AA, Bishtawi T, Fataftah B, Turk N, Saoud HA, Jarrar A, Ghazzawi H. Athletes' nutritional demands: a narrative review of nutritional requirements. Front Nutr 2024; 10:1331854. [PMID: 38328685 PMCID: PMC10848936 DOI: 10.3389/fnut.2023.1331854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 12/21/2023] [Indexed: 02/09/2024] Open
Abstract
Nutrition serves as the cornerstone of an athlete's life, exerting a profound impact on their performance and overall well-being. To unlock their full potential, athletes must adhere to a well-balanced diet tailored to their specific nutritional needs. This approach not only enables them to achieve optimal performance levels but also facilitates efficient recovery and reduces the risk of injuries. In addition to maintaining a balanced diet, many athletes also embrace the use of nutritional supplements to complement their dietary intake and support their training goals. These supplements cover a wide range of options, addressing nutrient deficiencies, enhancing recovery, promoting muscle synthesis, boosting energy levels, and optimizing performance in their respective sports or activities. The primary objective of this narrative review is to comprehensively explore the diverse nutritional requirements that athletes face to optimize their performance, recovery, and overall well-being. Through a thorough literature search across databases such as PubMed, Google Scholar, and Scopus, we aim to provide evidence-based recommendations and shed light on the optimal daily intakes of carbohydrates, protein, fats, micronutrients, hydration strategies, ergogenic aids, nutritional supplements, and nutrient timing. Furthermore, our aim is to dispel common misconceptions regarding sports nutrition, providing athletes with accurate information and empowering them in their nutritional choices.
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Affiliation(s)
- Adam Amawi
- Department of Exercise Science and Kinesiology, School of Sport Science, The University of Jordan, Amman, Jordan
| | - Walaa AlKasasbeh
- Department of Physical and Health Education, Faculty of Educational Sciences, Al-Ahliyya Amman University, Amman, Jordan
| | - Manar Jaradat
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Amani Almasri
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Sondos Alobaidi
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Aya Abu Hammad
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Taqwa Bishtawi
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Batoul Fataftah
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Nataly Turk
- Department of Family and Community Medicine, Faculty of Medicine, The University of Jordan, Amman, Jordan
| | - Hassan Al Saoud
- Department of Exercise Science and Kinesiology, School of Sport Science, The University of Jordan, Amman, Jordan
| | - Amjad Jarrar
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
- Oxford Brookes Center for Nutrition and Health, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, United Kingdom
| | - Hadeel Ghazzawi
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
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3
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Xing J, Xie L, Qi X, Liu G, Akhtar MF, Li X, Bou G, Bai D, Zhao Y, Dugarjaviin M, Zhang X. Integrated analysis of transcriptome and proteome for exploring mechanism of promoting proliferation of equine satellite cells associated with leucine. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2023; 48:101118. [PMID: 37633218 DOI: 10.1016/j.cbd.2023.101118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/28/2023]
Abstract
The proliferation and differentiation of skeletal muscle satellite cells (SCs) are necessary for the development of mature skeletal muscle. Leucine (Leu) is both an essential amino acid (EAA) and a branched-chain amino acid (BCAA), which has attracted worldwide attention due to its ability to repair and become new fibers. We separated the equine SCs into the control group (CON) and the Leu-supplemented group (LEU), which the cells were cultured in Leu-deprived and Leu-supplemented media respectively. We combined the transcriptome (RNA-Seq) and quantitative proteome (TMT) profiling analyses on proliferation of equine SCs associated with Leu. 1839 up-regulated and 631 down-regulated genes made up the 2470 differentially expressed genes (DEGs), and the 253 differentially abundant proteins (DEPs) included 118 up-regulated and 135 down-regulated proteins. 110 overlapping genes were verified based on the mRNA and protein translation relationship. Moreover, by comparing overlapped pathways through enrichment analysis, we found 13 genes not only appeared among 110 key DEGs/DEPs but also enriched in the KEGG overlapping signaling pathway, including CCL26, STAT2, PCK2, ASNS, GPT2, SHMT2, PHGDH, PGAM2, PSAT1, FTL, HMOX1, STEAP1 and STEAP2. To our knowledge, this is the first report in the world to systematically show how Leu regulated the growth of equine SCs. Leu deficiency inhibits the proliferation of equine SCs and development of fresh muscle fibers was proved in this paper. The main genes in charge of the Leu-induced proliferation of horse SCs have been found. These genes will make it easier to understand the mechanism at work and offer new information for enhancing the performance of sport horses and alleviating the equine muscle damage during exercise in the future.
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Affiliation(s)
- Jingya Xing
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; College of animal science, Qingdao Agricultural University, Qingdao 266000, China
| | - Lan Xie
- College of Agronomy, Liaocheng University, Shandong Engineering Technology Research Center for Efficient Breeding and Ecological Feeding of Black Donkey, Shandong Donkey Industry Technology Collaborative Innovation Center, Liaocheng 252059, Shandong Province, China
| | - Xingzhen Qi
- College of Agronomy, Liaocheng University, Shandong Engineering Technology Research Center for Efficient Breeding and Ecological Feeding of Black Donkey, Shandong Donkey Industry Technology Collaborative Innovation Center, Liaocheng 252059, Shandong Province, China
| | - Guiqin Liu
- College of Agronomy, Liaocheng University, Shandong Engineering Technology Research Center for Efficient Breeding and Ecological Feeding of Black Donkey, Shandong Donkey Industry Technology Collaborative Innovation Center, Liaocheng 252059, Shandong Province, China
| | - Muhammad Faheem Akhtar
- College of Agronomy, Liaocheng University, Shandong Engineering Technology Research Center for Efficient Breeding and Ecological Feeding of Black Donkey, Shandong Donkey Industry Technology Collaborative Innovation Center, Liaocheng 252059, Shandong Province, China
| | - Xinyu Li
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Gerelchimeg Bou
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Dongyi Bai
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Yiping Zhao
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Manglai Dugarjaviin
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xinzhuang Zhang
- Key Laboratory of Equus Germplasm Innovation (Co-const ruction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Equus Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China.
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Qiu J, Cheng Y, Deng Y, Ren G, Wang J. Composition of gut microbiota involved in alleviation of dexamethasone-induced muscle atrophy by whey protein. NPJ Sci Food 2023; 7:58. [PMID: 37907516 PMCID: PMC10618183 DOI: 10.1038/s41538-023-00235-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/17/2023] [Indexed: 11/02/2023] Open
Abstract
Skeletal muscle atrophy is a condition associated with increased morbidity and mortality. While the concept of the gut-muscle axis has been proposed, the role of gut microbiota in dexamethasone (DEX)-induced skeletal muscle atrophy remains largely unknown, limiting its clinical applications. In this study, we found that administration of DEX caused a shift in the gut microbiota of mice, characterized by an increased ratio of Firmicutes/Bacteroidota and a reduction in alpha diversity. We also identified 480 new operational taxonomic units (OTUs), while 1168 specific OTUs were lost. Our Spearman correlation analysis revealed 28 key taxonomic genera of bacteria that were positively or negatively associated with skeletal muscle strength and weight (r: -0.881 to 0.845, p < 0.05). Moreover, supplementation with whey protein reshaped the gut microbiota structure in DEX-treated mice, making it more similar to that of the control group. Importantly, we further utilized a stepwise regression model to identify two enterotypes capable of predicting skeletal muscle function and weight. Notably, Ileibacterium and Lachnospiraceae_UCG-001 played significant roles in predicting both skeletal muscle function and weight. Our findings suggest that DEX causes shifts in the gut microbiota, which can be reversed by whey protein intervention. The enterotypes identified by our stepwise regression models predict muscle function and weight, underscoring the potential role of gut microbiota in modulating muscle atrophy and emphasizing the therapeutic opportunities of microbiota-altering interventions.
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Affiliation(s)
- JinLing Qiu
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs of the Reople's Republic of China, Beijing, China
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Yixing Cheng
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs of the Reople's Republic of China, Beijing, China
| | - Yang Deng
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, China
| | - Guangxu Ren
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs of the Reople's Republic of China, Beijing, China.
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, China.
| | - Jiaqi Wang
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs of the Reople's Republic of China, Beijing, China.
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, China.
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5
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Baranauskas M, Kupčiūnaitė I, Stukas R. Dietary Intake of Protein and Essential Amino Acids for Sustainable Muscle Development in Elite Male Athletes. Nutrients 2023; 15:4003. [PMID: 37764784 PMCID: PMC10535035 DOI: 10.3390/nu15184003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Athletes need to develop a relatively high muscle mass and low body adipose tissue for the sake of better athletic performance. A full range of nine essential amino acids and eleven non-essential amino acids have to attend in appropriate amounts for protein biosynthesis. The aim of the observational comparative cross-sectional study was to assess the association between the diet quality profile and training-induced muscle mass estimated by bioelectrical impedance among elite male athletes. The research sample comprised 18.1 ± 3.1 year-old Lithuanian professional male athletes (n = 234). The study participants were enrolled to complete 24-h dietary recalls of three non-consecutive days. The body composition was assessed using the bioelectrical impedance analysis (BIA) method. The present study showed a significant insufficiency of the mean carbohydrate intake of 5.7 g/kg/day in a group of aerobic male athletes. The lower muscle mass of aerobic male athletes was related to the lower-carbohydrate diet (adjusted odd ratio (ORadj) 0.3; 95% confidence interval (CI): 0.1-0.7). The mean protein intake of 1.8 g/kg/day was optimal for anabolism in the samples of both anaerobic and aerobic male athletes. The protein intake in appropriate doses was potentially associated with an increase in muscle mass only in anaerobic male athletes (ORadj 2.2; 95% CI: 1.3-3.7). The positive relationship was revealed between the possible muscle mass gain and the increased intakes of amino acids such as isoleucine and histidine among anaerobic athletes (ORadj 2.9; 95% CI: 1.1-4.7 and ORadj 2.9; 95% CI: 1.0-4.3, respectively). An inverse feasible association was indicated between a higher intake of valine and lower muscle mass quantities among anaerobic male athletes (ORadj 0.1; 95% CI: 0.1-0.5). The recommendations for sports nutritionists should emphasize the necessity of advising professional athletes on dietary strategies on how to manipulate dietary amino acid composition with respect to achieving long-term body composition goals.
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Affiliation(s)
- Marius Baranauskas
- Faculty of Biomedical Sciences, Panevėžys University of Applied Sciences, 35200 Panevėžys, Lithuania;
| | - Ingrida Kupčiūnaitė
- Faculty of Biomedical Sciences, Panevėžys University of Applied Sciences, 35200 Panevėžys, Lithuania;
| | - Rimantas Stukas
- Institute of Health Sciences, Faculty of Medicine, Department of Public Health, Vilnius University, 01513 Vilnius, Lithuania;
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Hyun J, Kang SI, Lee SW, Amarasiri RPGSK, Nagahawatta DP, Roh Y, Wang L, Ryu B, Jeon YJ. Exploring the Potential of Olive Flounder Processing By-Products as a Source of Functional Ingredients for Muscle Enhancement. Antioxidants (Basel) 2023; 12:1755. [PMID: 37760060 PMCID: PMC10526038 DOI: 10.3390/antiox12091755] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/06/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Olive flounder (OF) is a widely aqua-cultivated and recognized socioeconomic resource in Korea. However, more than 50% of by-products are generated when processing one OF, and there is no proper way to utilize them. With rising awareness and interest in eco-friendly bio-materialization recycling, this research investigates the potential of enzymatic hydrolysis of OF by-products (OFB) to produce functional ingredients. Various enzymatic hydrolysates of OFB (OFBEs) were generated using 11 commercial enzymes. Among them, Prozyme 2000P-assisted OFBE (OFBP) exhibited the highest protein content and yield, as well as low molecularization. The muscle regenerative potential of OFBEs was evaluated using C2C12 myoblasts, revealing that OFBP positively regulated myoblast differentiation. In an in vitro Dex-induced myotube atrophy model, OFBP protected against muscle atrophy and restored myotube differentiation and Dex-induced reactive oxygen species (ROS) production. Furthermore, zebrafish treated with OFBEs showed improved locomotor activity and body weight, with OFBP exhibiting outstanding restoration in the Dex-induced muscle atrophy zebrafish in vivo model. In conclusion, OFBEs, particularly OFBP, produce hydrolysates with enhanced physiological usability and muscle regenerative potential. Further research on its industrial application and mechanistic insights is needed to realize its potential as a high-quality protein food ingredient derived from OF processing by-products.
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Affiliation(s)
- Jimin Hyun
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
| | - Sang-In Kang
- Seafood Research Center, Silla University, Busan 49277, Republic of Korea;
| | - Sang-Woon Lee
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
| | - R. P. G. S. K. Amarasiri
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
| | - D. P. Nagahawatta
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
| | - Yujin Roh
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
| | - Lei Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China
| | - Bomi Ryu
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Republic of Korea; (J.H.)
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Dos Santos EM, Moreira ASB, Huguenin GVB, Tibiriça E, De Lorenzo A. Effects of Whey Protein Isolate on Body Composition, Muscle Mass, and Strength of Chronic Heart Failure Patients: A Randomized Clinical Trial. Nutrients 2023; 15:nu15102320. [PMID: 37242203 DOI: 10.3390/nu15102320] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 05/28/2023] Open
Abstract
Heart failure (HF) is associated with a reduction of skeletal muscle mass. Whey protein isolate (WPI) has been beneficial in increasing muscle mass and strength, in addition to improving body composition. The goal of this research was to evaluate the effect of WPI on the body composition, muscle mass, and strength of chronic HF patients. For this purpose, twenty-five patients of both genders with predominantly NYHA I functional class and a median age of 65.5 (60.5-71.0) years were used to conduct a randomized, single-blind, placebo-controlled clinical trial and received 30 g per day of WPI for 12 weeks. Anthropometric measurements, body composition analysis, and biochemical exams were performed at the beginning and end of the study. An increase in skeletal muscle mass was observed in the intervention group after 12 weeks. A reduction in waist circumference, body fat percentage, and an increase in skeletal muscle index was observed when compared to the placebo group. No significant effect on muscle strength was observed after 12 weeks of intervention. These data demonstrate that WPI consumption contributed to the increase of skeletal muscle mass, strength, and reduction of body fat in HF patients.
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Affiliation(s)
- Elisa M Dos Santos
- Institute of Heart Edson Saad, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil
- Department of Clinical Research, National Institute of Cardiology, Rio de Janeiro 22240-006, RJ, Brazil
| | - Annie S B Moreira
- Department of Clinical Research, National Institute of Cardiology, Rio de Janeiro 22240-006, RJ, Brazil
| | - Grazielle V B Huguenin
- Departamento de Nutrição e Dietética, Faculdade de Nutrição Emília de Jesus Ferreiro, Federal Fluminense University, Niterói 24020-140, RJ, Brazil
| | - Eduardo Tibiriça
- Department of Clinical Research, National Institute of Cardiology, Rio de Janeiro 22240-006, RJ, Brazil
| | - Andrea De Lorenzo
- Institute of Heart Edson Saad, Federal University of Rio de Janeiro, Rio de Janeiro 21941-913, RJ, Brazil
- Department of Clinical Research, National Institute of Cardiology, Rio de Janeiro 22240-006, RJ, Brazil
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8
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Nakazaki K, Nagano N, Katayama D, Shimizu S, Matsuda K, Tokunaga W, Aoki R, Fuwa K, Morioka I. Body Fat-Reducing Effects of Whey Protein Diet in Male Mice. Nutrients 2023; 15:nu15102263. [PMID: 37242144 DOI: 10.3390/nu15102263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
This study investigated the mechanism of reducing body fat via whey protein diet. Pregnant mice were fed whey or casein, and their offspring were fed by birth mothers. After weaning at 4 weeks, male pups received the diets administered to their birth mothers (n = 6 per group). At 12 weeks of age, body weight, fat mass, fasting blood glucose (FBG), insulin (IRI), homeostatic model assessment of insulin resistance (HOMA-IR), cholesterol (Cho), triglyceride (TG), the expression levels of lipid metabolism-related genes in liver tissues and metabolomic data of fat tissues were measured and compared between the groups. The birth weights of pups born were similar in the two groups. Compared to the pups in the casein group, at 12 weeks of age, pups in the whey group weighed less, had significantly lower fat mass, HOMA-IR and TG levels (p < 0.01, p = 0.02, p = 0.01, respectively), and significantly higher levels of the antioxidant glutathione and the anti-inflammatory 1-methylnicotinamide in fat tissues (p < 0.01, p = 0.04, respectively). No differences were observed in FBG, IRI, Cho levels (p = 0.75, p = 0.07, p = 0.63, respectively) and expression levels of lipid metabolism-related genes. Whey protein has more antioxidant and anti-inflammatory properties than casein protein, which may be its mechanism for reducing body fat.
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Affiliation(s)
- Kimitaka Nakazaki
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Nobuhiko Nagano
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Daichi Katayama
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Shoichi Shimizu
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Kengo Matsuda
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Wataru Tokunaga
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Ryoji Aoki
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Kazumasa Fuwa
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Ichiro Morioka
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo 173-8610, Japan
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Omi N, Yamamoto H, Yamaguchi T, Tsukiashi M, Yamamoto T, Tanaka R, Watanabe K, Maruki-Uchida H, Kawama T. Enzymatically modified isoquercitrin in soy protein temporarily enhanced the plasma amino-acid concentrations, antioxidant index, and plasma hormone levels: a randomized, double-blind cross-over trial. Amino Acids 2023:10.1007/s00726-023-03267-4. [PMID: 37154870 DOI: 10.1007/s00726-023-03267-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 04/10/2023] [Indexed: 05/10/2023]
Abstract
This study investigated the effects of a dietary protein supplement containing enzymatically modified isoquercitrin (EMIQ) on plasma amino-acid levels in healthy people. A randomized double-blind cross-over trial (UMIN000044791) was conducted with a sample of nine healthy individuals. These participants ingested soy protein with or without 42 mg EMIQ for 7 days after performing mild exercise. Plasma amino-acid levels were measured before ingestion and at 15, 30, 45, 60, 90, 120, 180, and 240 min after ingestion on the last day. The concentrations of total amino acids at 0 and 120 min and easily oxidized amino acids at 120 min were significantly higher in the plasma of individuals who consumed 42 mg EMIQ. Oxidative stress levels were lower and plasma testosterone levels were higher in participants who ingested soy protein with 42 mg EMIQ than in those who did not. These results suggest that daily ingestion of soy protein with 42 mg EMIQ can be useful for effective protein absorption.
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Affiliation(s)
- Naomi Omi
- Faculty of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan.
- Graduate School of Comprehensive Human Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan.
| | - Hayata Yamamoto
- Graduate School of Comprehensive Human Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan
| | - Taketo Yamaguchi
- Graduate School of Comprehensive Human Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan
| | - Motoki Tsukiashi
- Health Science Research Center, R&D Institute, Morinaga & Co., Ltd, 2-1-1 Shimosueyoshi, Tsurumi-Ku, Yokohama, 230-8504, Japan
| | - Takayuki Yamamoto
- Health Science Research Center, R&D Institute, Morinaga & Co., Ltd, 2-1-1 Shimosueyoshi, Tsurumi-Ku, Yokohama, 230-8504, Japan
| | - Ryo Tanaka
- Health Science Research Center, R&D Institute, Morinaga & Co., Ltd, 2-1-1 Shimosueyoshi, Tsurumi-Ku, Yokohama, 230-8504, Japan
| | - Koichi Watanabe
- Faculty of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan
- Graduate School of Comprehensive Human Science, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8574, Japan
| | - Hiroko Maruki-Uchida
- Health Science Research Center, R&D Institute, Morinaga & Co., Ltd, 2-1-1 Shimosueyoshi, Tsurumi-Ku, Yokohama, 230-8504, Japan
| | - Toshihiro Kawama
- Health Science Research Center, R&D Institute, Morinaga & Co., Ltd, 2-1-1 Shimosueyoshi, Tsurumi-Ku, Yokohama, 230-8504, Japan
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10
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Baek R, Tsuruta T, Nishino N. Modulatory Effects of A1 Milk, A2 Milk, Soy, and Egg Proteins on Gut Microbiota and Fermentation. Microorganisms 2023; 11:1194. [PMID: 37317168 DOI: 10.3390/microorganisms11051194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/29/2023] [Accepted: 05/02/2023] [Indexed: 06/16/2023] Open
Abstract
Milk can be divided into A1 and A2 types according to β-casein variants, and there is a debate about whether A1 milk consumption exacerbates gut environments. This study examined the cecum microbiota and fermentation in mice fed A1 casein, A2 casein, mixed casein (commercial casein), soy protein isolate, and egg white. The cecum acetic acid concentration was higher, and the relative abundances of Muribaculaceae and Desulfovibrionaceae were greater in mice fed A1 versus A2 casein. The other parameters of cecum fermentation and microbiota composition were similar among the mice fed A1, A2, and mixed caseins. The differences were more distinctive among the three caseins, soy, and egg feedings. Chao 1 and Shannon indices of the cecum microbiota were lowered in egg white-fed mice, and the microbiota of mice fed milk, soy, and egg proteins were separately grouped by principal coordinate analysis. Mice fed the three caseins were characterized by a high abundance of Lactobacillaceae and Clostridiaceae, those fed soy were characterized by Corynebacteriaceae, Muribaculaceae, and Ruminococcaceae, and those fed egg white were characterized by Eggerthellaceae, Rikenellaceae, and Erysipelatoclostridiaceae. Thus, although several differences can arise between A1 and A2 caseins in terms of their modulatory effects on gut environments, the differences between milk, soy, and egg proteins can be more distinctive and are worth further consideration.
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Affiliation(s)
- Riyang Baek
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan
| | - Takeshi Tsuruta
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan
| | - Naoki Nishino
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan
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11
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The Impact of Biotechnologically Produced Lactobionic Acid in the Diet of Lactating Dairy Cows on Their Performance and Quality Traits of Milk. Animals (Basel) 2023; 13:ani13050815. [PMID: 36899672 PMCID: PMC10000126 DOI: 10.3390/ani13050815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/22/2023] [Indexed: 03/03/2023] Open
Abstract
Dairy processing is one of the most polluting sectors of the food industry as it causes water pollution. Given considerable whey quantities obtained via traditional cheese and curd production methods, manufacturers worldwide are encountering challenges for its rational use. However, with the advancement in biotechnology, the sustainability of whey management can be fostered by applying microbial cultures for the bioconversion of whey components such as lactose to functional molecules. The present work was undertaken to demonstrate the potential utilization of whey for producing a fraction rich in lactobionic acid (Lba), which was further used in the dietary treatment of lactating dairy cows. The analysis utilizing high-performance liquid chromatography with refractive index (HPLC-RID) detection confirmed the abundance of Lba in biotechnologically processed whey, corresponding to 11.3 g L-1. The basic diet of two dairy cow groups involving nine animals, Holstein Black and White or Red breeds in each, was supplemented either with 1.0 kg sugar beet molasses (Group A) or 5.0 kg of the liquid fraction containing 56.5 g Lba (Group B). Overall, the use of Lba in the diet of dairy cows during the lactation period equal to molasses affected cows' performances and quality traits, especially fat composition. The observed values of urea content revealed that animals of Group B and, to a lesser extent, Group A received a sufficient amount of proteins, as the amount of urea in the milk decreased by 21.7% and 35.1%, respectively. After six months of the feeding trial, a significantly higher concentration of essential amino acids (AAs), i.e., isoleucine and valine, was observed in Group B. The percentage increase corresponded to 5.8% and 3.3%, respectively. A similar trend of increase was found for branched-chain AAs, indicating an increase of 2.4% compared with the initial value. Overall, the content of fatty acids (FAs) in milk samples was affected by feeding. Without reference to the decrease in individual FAs, the higher values of monounsaturated FAs (MUFAs) were achieved via the supplementation of lactating cows' diets with molasses. In contrast, the dietary inclusion of Lba in the diet promoted an increase in saturated FA (SFA) and polyunsaturated FA (PUFA) content in the milk after six months of the feeding trial.
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12
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Carey CC, Doyle L, Lucey A. Nutritional priorities, practices and preferences of athletes and active individuals in the context of new product development in the sports nutrition sector. Front Sports Act Living 2023; 5:1088979. [PMID: 36824582 PMCID: PMC9942779 DOI: 10.3389/fspor.2023.1088979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/13/2023] [Indexed: 02/10/2023] Open
Abstract
Introduction Sports nutrition is a rapidly growing sector with increasing demand for evidence-based nutritional products to support competitive and healthy lifestyles. The product development process for novel foods should rely heavily on end-user engagement to facilitate future success, however there is a dearth of published information available. An understanding of the practices and self-reported nutritional priorities of athletes and active individuals is required for the development of new food products, facilitating evidence-based product formulation. Methods Participants were at least 18 years of age, actively participating in competitive sport or structured physical activity on at least two occasions per week. Participants were asked to undertake a comprehensive online survey assessing their nutritional practice, perceived nutritional priorities and preferences for product characteristics. Questions were developed on the basis of critical evaluation of the current scientific literature and the hosting of two scoping focus group sessions with prospective end-users. Results 405 individuals (29 ± 9 years) completed this questionnaire. 295 participants reported active participation in competitive sport while the remaining 110 participants undertook structured physical activity exclusively. When asked to rank their top three most sought-after product claims in sports nutrition, "enhanced muscular recovery" was the most prioritised receiving 101 first choice preferences (25%) and 295 top 3 preferences. Fifty-eight percent of participants reported taking nutritional supplements. Caffeine containing functional foods (excluding caffeine supplements) were the most commonly used functional food group. A very low incidence of functional food usage was reported otherwise. When asked to rank the importance of various food product attributes, "nutritional profile" was ranked as the most important with rating of 3.37 ± 0.7 out of 4 followed by "taste" and "accessibility". Whole food nutritional products received the most first preference selections and most top 3 selections when presented with a number of popular performance and recovery products on the market. Conclusions The transition towards a food first approach in sports nutrition is vital for athletes and active individuals to achieve their goals; with the development of evidence-based functional foods, particularly with a focus on muscle recovery, endurance, and strength enhancement at the forefront for new food product design and innovation.
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Affiliation(s)
- Conor C. Carey
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Lorna Doyle
- Department of Sport and Exercise Science, South East Technological University, Waterford, Ireland
| | - Alice Lucey
- Cork Centre for Vitamin D and Nutrition Research, School of Food and Nutritional Sciences, University College Cork, Cork, Ireland,Correspondence: Alice Lucey
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Effects of Whey Protein, Leucine, and Vitamin D Supplementation in Patients with Sarcopenia: A Systematic Review and Meta-Analysis. Nutrients 2023; 15:nu15030521. [PMID: 36771225 PMCID: PMC9920795 DOI: 10.3390/nu15030521] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/04/2023] [Accepted: 01/18/2023] [Indexed: 01/21/2023] Open
Abstract
(1) Background: In this study, a meta-analysis was performed to investigate the effects of whey protein, leucine, and vitamin D in sarcopenia; (2) Methods: We searched PubMed, Cochrane Library, Embase, and Scopus databases and retrieved studies published until 5 December 2022. Randomized controlled trials were included to evaluate muscle mass, strength, and function, after using whey protein, leucine, and vitamin D supplementation in patients with sarcopenia; (3) Results: A total of three studies including 637 patients reported the effectiveness of using whey protein, leucine, and vitamin D supplementation in patients with sarcopenia. Without considering whether or not a physical exercise program was combined with nutritional supplementation, no significant differences in grip strength or short physical performance battery (SPPB) scores between the experimental and control groups were noted. However, appendicular muscle mass significantly improved in the experimental group compared to the control group. The results were analyzed according to the presence or absence of a concomitant physical exercise program. With the use of a concomitant physical exercise program, handgrip strength and SPPB scores in the experimental group significantly improved when compared to the control group. In contrast, when physical exercise was not combined, there was no significant improvement in the handgrip strength and SPPB scores of patients with sarcopenia. In addition, the appendicular muscle mass significantly increased regardless of the presence of a concomitant physical exercise program; (4) Conclusions: Whey protein, leucine, and vitamin D supplementation can increase appendicular muscle mass in patients with sarcopenia. In addition, combining a physical exercise program with whey protein, leucine, and vitamin D supplementation can improve muscle strength and function.
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Xing J, Qi X, Liu G, Li X, Gao X, Bou G, Bai D, Zhao Y, Du M, Dugarjaviin M, Zhang X. A Transcriptomic Regulatory Network among miRNAs, lncRNAs, circRNAs, and mRNAs Associated with L-leucine-induced Proliferation of Equine Satellite Cells. Animals (Basel) 2023; 13:ani13020208. [PMID: 36670748 PMCID: PMC9854542 DOI: 10.3390/ani13020208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/30/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
In response to muscle injury, muscle stem cells are stimulated by environmental signals to integrate into damaged tissue to mediate regeneration. L-leucine (L-leu), a branched-chain amino acid (BCAA) that belongs to the essential amino acids (AAs) of the animal, has gained global interest on account of its muscle-building and regenerating effects. The present study was designed to investigate the impact of L-leu exposure to promote the proliferation of equine skeletal muscle satellite cells (SCs) on the regulation of RNA networks, including mRNA, long non-coding RNA (lncRNA), covalently closed circular RNA (circRNA), and microRNA (miRNA) in skeletal muscles. Equine SCs were used as a cell model and cultured in different concentrations of L-leu medium. The cell proliferation assay found that the optimal concentration of L-leu was 2 mM, so we selected cells cultured with L-leu concentrations of 0 mM and 2 mM for whole-transcriptiome sequencing, respectively. By high-throughput sequencing analysis, 2470 differentially expressed mRNAs (dif-mRNAs), 363 differentially expressed lncRNAs (dif-lncRNAs), 634 differentially expressed circRNAs (dif-circRNAs), and 49 differentially expressed miRNAs (dif-miRNAs) were significantly altered in equine SCs treated with L-leu. To identify the function of autoimmunity and anti-inflammatory responses after L-leu exposure, enrichment analysis was conducted on those differentially expressed genes (DEGs) related to lncRNA, circRNA, and miRNA. The hub genes were selected from PPI Network, including ACACB, HMGCR, IDI1, HAO1, SHMT2, PSPH, PSAT1, ASS1, PHGDH, MTHFD2, and DPYD, and were further identified as candidate biomarkers to regulate the L-leu-induced proliferation of equine SCs. The up-regulated novel 699_star, down-regulated novel 170_star, and novel 360_mature were significantly involved in the competing endogenous RNA (ceRNA) complex network. The hub genes involved in cell metabolism and dif-miRNAs may play fundamental roles in the L-leu-induced proliferation of equine SCs. Our findings suggested that the potential network regulation of miRNAs, circ-RNAs, lncRNAs, and mRNAs plays an important role in the proliferation of equine SCs, so as to build up new perspectives on improving equine performance and treatment strategies for the muscle injuries of horses.
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Affiliation(s)
- Jingya Xing
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xingzhen Qi
- Liaocheng Research Institute of Donkey High-Breeding and Ecological Feeding, College of Agronomy, Liaocheng University, Liaocheng 252000, China
| | - Guiqin Liu
- Liaocheng Research Institute of Donkey High-Breeding and Ecological Feeding, College of Agronomy, Liaocheng University, Liaocheng 252000, China
| | - Xinyu Li
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xing Gao
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Gerelchimeg Bou
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Dongyi Bai
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Yiping Zhao
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Ming Du
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Manglai Dugarjaviin
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xinzhuang Zhang
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
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15
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D'Hulst G, Masschelein E, De Bock K. Resistance exercise enhances long-term mTORC1 sensitivity to leucine. Mol Metab 2022; 66:101615. [PMID: 36252815 PMCID: PMC9626937 DOI: 10.1016/j.molmet.2022.101615] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE Exercise enhances the sensitivity of mammalian target of rapamycin complex 1 (mTORC1) to amino acids, in particular leucine. How long this enhanced sensitivity lasts, and which mechanisms control enhanced leucine-mediated mTORC1 activation following exercise is currently unknown. METHODS C57BL/6J mice were exercised for one night in a resistance-braked running wheel after a 12-day acclimatization period. Mice were gavaged with a submaximal dose of l-leucine or saline acutely or 48 h after exercise cessation, following 3 h food withdrawal. Muscles were excised 30 min after leucine administration. To study the contribution of mTORC1, we repeated those experiments but blocked mTORC1 activation using rapamycin immediately before the overnight running bout and one hour before the first dose of leucine. mTORC1 signaling, muscle protein synthesis and amino acid sensing machinery were assessed using immunoblot and qPCR. Leucine uptake was measured using L-[14C(U)]-leucine tracer labeling. RESULTS When compared to sedentary conditions, leucine supplementation more potently activated mTORC1 and protein synthesis in acutely exercised muscle. This effect was observed in m. soleus but not in m. tibialis anterior nor m. plantaris. The synergistic effect in m. soleus was long-lasting as key downstream markers of mTORC1 as well as protein synthesis remained higher when leucine was administered 48 h after exercise. We found that exercise enhanced the expression of amino acid transporters and promoted uptake of leucine into the muscle, leading to higher free intramuscular leucine levels. This coincided with increased expression of activating transcription factor 4 (ATF4), a main transcriptional regulator of amino acid uptake and metabolism, and downstream activation of amino acid genes as well as leucyl-tRNA synthetase (LARS), a putative leucine sensor. Finally, blocking mTORC1 using rapamycin did not reduce expression and activation of ATF4, suggesting that the latter does not act downstream of mTORC1. Rather, we found a robust increase in eukaryotic initiation factor 2α (eIF2α) phosphorylation, suggesting that the integrated stress response pathway, rather than exercise-induced mTORC1 activation, drives long-term ATF4 expression in skeletal muscle after exercise. CONCLUSIONS The enhanced sensitivity of mTORC1 to leucine is maintained at least 48 h after exercise. This shows that the anabolic window of opportunity for protein ingestion is not restricted to the first hours immediately following exercise. Increased mTORC1 sensitivity to leucine coincided with enhanced leucine influx into muscle and higher expression of genes involved in leucine sensing and amino acid metabolism. Also, exercise induced an increase in ATF4 protein expression. Altogether, these data suggest that muscular contractions switch on a coordinated program to enhance amino acid uptake as well as intramuscular sensing of key amino acids involved in mTORC1 activation and the stimulation of muscle protein synthesis.
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Affiliation(s)
- Gommaar D'Hulst
- Laboratory of Exercise and Health, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Zürich, Switzerland
| | - Evi Masschelein
- Laboratory of Exercise and Health, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Zürich, Switzerland
| | - Katrien De Bock
- Laboratory of Exercise and Health, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Zürich, Switzerland.
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Application of Lactose-Free Whey Protein to Greek Yogurts: Potential Health Benefits and Impact on Rheological Aspects and Sensory Attributes. Foods 2022; 11:foods11233861. [PMID: 36496669 PMCID: PMC9737567 DOI: 10.3390/foods11233861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 12/05/2022] Open
Abstract
The application of β-galactosidase in the fermentation of milk enables the acquirement of lower levels of lactose that are tolerated by lactose maldigesters and can reduce the nutritional consequences of avoiding dairy products. The present study evaluated the viability of the fortification of lactose-free prebiotic Greek yogurt formulas with whey protein concentrate (WPC). Two rotational central composite designs (RCCDs) were applied: one to perform the hydrolysis of the whey protein concentrate and another for the yogurt formulations (α = 2 with 2 central points and 4 axial points). Two β-galactosidase enzymes obtained from Kluyveromyces lactis were used. The content of lactose, glucose, galactose, and lactic acid were determined in the WPC, milk (pasteurized and powdered), and yogurts. The three best formulations regarding the attributes’ viscosity, syneresis, firmness, and elasticity were sensorially evaluated by using a nine-point hedonic scale. A microbiological analysis was performed after 48 h of yogurt production. The characterization of the products and the comparison of the results obtained were evaluated using the Student’s T test and the analysis of variance with Tukey’s test (p-values < 0.05). The application of a lactose-free WPC promoted viscosity, firmness, and elasticity. The syneresis was reduced, and whey increased the protein and calcium content. Lactose-free WPC can be used as a partial substitute for skimmed powdered milk in yogurts. The obtained results are encouraging with respect to the production of lactose-free Greek yogurts by the dairy industry.
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Jung H, Jung D, Lee J, Ki W, Lee JM, Kim EM, Nam MS, Kim KK. Bioactive peptides in the pancreatin-hydrolysates of whey protein support cell proliferation and scavenge reactive oxygen species. Anim Cells Syst (Seoul) 2022; 26:232-242. [PMID: 36275446 PMCID: PMC9586699 DOI: 10.1080/19768354.2022.2130425] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Whey protein (WP) in milk shows physiologically active functions such as cholesterol control and immune system strengthening. In this study, we performed hydrolysis and peptide polarity fractionation to enhance the efficacy and diversity of its physiological activities, using the digesting enzyme, pancreatin. Our results indicate that hydrolysis significantly increased the cell proliferation of the WP fractions, with the lower-polarity fractions showing greater efficacy in this regard. Our results indicate that hydrolysis significantly increases cell proliferation of the WP fractions. Additionally, we confirmed differences in the antioxidant activity of the WP fractions as a function of polarity was confirmed via scavenging 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) assay in vitro. WP itself did not show anti-inflammatory efficacy. However, all the hydrolyzed fractions downregulated the mRNA expression levels of inflammatory cytokines in all treated cell lines and, based on a senescence-associated (SA)-β-galactosidase assay, the fraction with the lowest polarity (F6) inhibited cellular senescence to the greatest extent. Furthermore, we identified the peptide sequences with various physiological activities from whey protein hydrolysates through mass spectrometry. Taken together, our results indicate that the fractionation of WP via hydrolysis generates novel functions including promoting cellular cell proliferation, anti-inflammatory effects, and enhancing antioxidant and anti-cellular senescence.
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Affiliation(s)
- Haesoo Jung
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - Damin Jung
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - Jaehoon Lee
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - Woojin Ki
- Division of Animal Resource Science, Chungnam National University, Daejeon, Republic of Korea
| | - Jung-Min Lee
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - Eun-Mi Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon, Republic of Korea
| | - Myoung Soo Nam
- Division of Animal Resource Science, Chungnam National University, Daejeon, Republic of Korea
| | - Kee K. Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon, Republic of Korea
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Messina M, Duncan A, Messina V, Lynch H, Kiel J, Erdman JW. The health effects of soy: A reference guide for health professionals. Front Nutr 2022; 9:970364. [PMID: 36034914 PMCID: PMC9410752 DOI: 10.3389/fnut.2022.970364] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 07/25/2022] [Indexed: 11/22/2022] Open
Abstract
Soy is a hotly debated and widely discussed topic in the field of nutrition. However, health practitioners may be ill-equipped to counsel clients and patients about the use of soyfoods because of the enormous, and often contradictory, amount of research that has been published over the past 30 years. As interest in plant-based diets increases, there will be increased pressure for practitioners to gain a working knowledge of this area. The purpose of this review is to provide concise literature summaries (400-500 words) along with a short perspective on the current state of knowledge of a wide range of topics related to soy, from the cholesterol-lowering effects of soy protein to the impact of isoflavones on breast cancer risk. In addition to the literature summaries, general background information on soyfoods, soy protein, and isoflavones is provided. This analysis can serve as a tool for health professionals to be used when discussing soyfoods with their clients and patients.
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Affiliation(s)
- Mark Messina
- Soy Nutrition Institute Global, Washington, DC, United States
| | - Alison Duncan
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON, Canada
| | | | - Heidi Lynch
- Kinesiology Department, Point Loma Nazarene University, San Diego, CA, United States
| | - Jessica Kiel
- Scientific and Clinical Affairs, Medifast Inc., Baltimore, MD, United States
| | - John W. Erdman
- Division of Nutritional Sciences and Beckman Institute, Department of Food Science and Human Nutrition, University of Illinois at Urbana/Champaign, Urbana, IL, United States
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Effect of Whey Protein Supplementation on Weight and Body Composition Indicators: A Meta-Analysis of Randomized Clinical Trials. Clin Nutr ESPEN 2022; 50:74-83. [DOI: 10.1016/j.clnesp.2022.05.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/08/2022] [Accepted: 05/28/2022] [Indexed: 11/24/2022]
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Whey Protein Isolate Nanofibers Prepared by Subcritical Water Stabilized High Internal Phase Pickering Emulsion to Deliver Curcumin. Foods 2022; 11:foods11111625. [PMID: 35681375 PMCID: PMC9179974 DOI: 10.3390/foods11111625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to design a Pickering emulsion (PE) stabilized by whey protein isolate nanofibers (WPINs) prepared with subcritical water (SW) to encapsulate and prevent curcumin (Cur) degradation. Cur-loaded WPINs–SW stabilized PE (WPINs–SW–PE) and hydrothermally prepared WPINs stabilized PE (WPINs–H–PE) were characterized using the particle size, zeta potential, Congo Red, CD, and TEM. The results indicated that WPINs–SW–PE and WPINs–H–PE showed regular spherical shapes with average lengths of 26.88 ± 1.11 μm and 175.99 ± 2.31 μm, and zeta potential values were −38.00 ± 1.00 mV and −34.60 ± 2.03 mV, respectively. The encapsulation efficiencies of WPINs–SW–PE and WPINs–H–PE for Cur were 96.72 ± 1.05% and 94.07 ± 2.35%. The bio-accessibility of Cur of WPINs–SW–PE and WPINs–H–PE were 57.52 ± 1.24% and 21.94 ± 2.09%. In addition, WPINs–SW–PE had a better loading effect and antioxidant activities compared with WPINs–H–PE. SW could be a potential processing method to prepare a PE, laying the foundation for the subsequent production of functional foods.
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Olvera-Rosales LB, Cruz-Guerrero AE, García-Garibay JM, Gómez-Ruíz LC, Contreras-López E, Guzmán-Rodríguez F, González-Olivares LG. Bioactive peptides of whey: obtaining, activity, mechanism of action, and further applications. Crit Rev Food Sci Nutr 2022; 63:10351-10381. [PMID: 35612490 DOI: 10.1080/10408398.2022.2079113] [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
Bioactive peptides derived from diverse food proteins have been part of diverse investigations. Whey is a rich source of proteins and components related to biological activity. It is known that proteins have effects that promote health benefits. Peptides derived from whey proteins are currently widely studied. These bioactive peptides are amino acid sequences that are encrypted within the first structure of proteins, which required hydrolysis for their release. The hydrolysis could be through in vitro or in vivo enzymatic digestion and using microorganisms in fermented systems. The biological activities associated with bio-peptides include immunomodulatory properties, antibacterial, antihypertensive, antioxidant and opioid, etc. These functions are related to general conditions of health or reduced risk of certain chronic illnesses. To determine the suitability of these peptides/ingredients for applications in food technology, clinical studies are required to evaluate their bioavailability, health claims, and safety of them. This review aimed to describe the biological importance of whey proteins according to the incidence in human health, their role as bioactive peptides source, describing methods, and obtaining technics. In addition, the paper exposes biochemical mechanisms during the activity exerted by biopeptides of whey, and their application trends.
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Affiliation(s)
- L B Olvera-Rosales
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
| | - A E Cruz-Guerrero
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - J M García-Garibay
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
- Departamento de Ciencias de la Alimentación Lerma de Villada, Universidad Autónoma Metropolitana-Lerma, Edo. de México, México
| | - L C Gómez-Ruíz
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - E Contreras-López
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
| | - F Guzmán-Rodríguez
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa. División de Ciencias Biológicas y de la Salud, Colonia Vicentina, Ciudad de México, México
| | - L G González-Olivares
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Ciudad del Conocimiento, Mineral de la Reforma, Hidalgo, México
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Effect of Sucrose on Amino Acid Absorption of Whey: A Randomized Crossover Trial. Metabolites 2022; 12:metabo12040282. [PMID: 35448469 PMCID: PMC9028591 DOI: 10.3390/metabo12040282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 02/04/2023] Open
Abstract
Protein intake has been reported to secrete insulin and lower glucose levels, but the effect of carbohydrate and protein co-ingestion on amino acid absorption has not been well documented. A randomized, placebo-controlled, single-blinded, crossover trial was conducted to evaluate the effect of sucrose on blood amino acid levels. Eleven volunteers (both sexes aged 20–60 years with body mass index 21.4 ± 2.4 kg/m2) randomly received one of four test solutions: water (P-group), 10 g sucrose (S-group), 10 g whey protein (W-group), or 10 g whey protein + 10 g sucrose (W-S-group), and blood amino acid concentration, glucose levels, and insulin levels were monitored over 180 min. Following the wash-out period, randomized treatment and blood parameter monitoring were repeated. Consequently, amino acid concentration was significantly lower in the S-group than in the P-group, showing that single ingestion of sucrose decreased blood amino acid levels in a fasted state. However, there was no significant difference between blood amino acid levels of the W- and W-S-groups, suggesting that co-ingestion of sucrose does not affect blood amino acid concentration. Insulin levels were significantly higher in the W-S than in the S-group, and glucose levels were significantly lower in the W-S- than in the S-group, suggesting positive impact on glycotoxicity by reducing blood glucose levels. Therefore, whey protein co-ingestion with sucrose suppresses glucose levels and increases insulin levels as opposed to the sucrose ingestion, but does not affect amino acid absorption of whey protein, indicating that this co-ingestion may not be a problem for protein supplementation.
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Whey Protein Supplementation Is Superior to Leucine-Matched Collagen Peptides to Increase Muscle Thickness During a 10-Week Resistance Training Program in Untrained Young Adults. Int J Sport Nutr Exerc Metab 2022; 32:133-143. [PMID: 35042187 DOI: 10.1123/ijsnem.2021-0265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/14/2021] [Accepted: 12/06/2021] [Indexed: 11/18/2022]
Abstract
The purpose of this study was to investigate the effects of supplementation of whey protein (WP) versus leucine-matched collagen peptides (CP) on muscle thickness MT and performance after a resistance training (RT) program in young adults. Twenty-two healthy untrained participants were randomly assigned to either a WP (n = 11) or leucine-matched CP (n = 11) group and then submitted to a supervised 10-week RT program (3 days/week). The groups were supplemented with an equivalent amount of WP (35 g, containing 3.0 g of leucine) and CP (35 g, containing 1.0 g of leucine and 2.0 g of free leucine) during the intervention period (after each workout and in the evening on nontraining days). MT of the vastus lateralis and biceps brachii, isokinetic peak torque and mean power output of the elbow flexors, and peak power output of the lower body were assessed before and after the RT program. The WP group experienced a greater (interaction, p < .05) increase in the vastus lateralis (effect size, WP = 0.68 vs. CP = 0.38; % Δ, WP = 8.4 ± 2.5 vs. CP = 5.6 ± 2.6%) and biceps brachii muscle thickness (effect size, WP = 0.61 vs. CP = 0.35; % , WP = 10.1 ± 3.8 vs. CP = 6.0 ± 3.2%), with a similar increase in muscle performance (peak torque, mean power output, and peak power output) between groups (time p < .05). Supplementation with WP was superior to leucine content-matched CP supplementation in increasing muscle size, but not strength and power, after a 10-week RT program in young adults.
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PEHLIVANOĞLU H, BARDAKÇI HF, YAMAN M. Protein quality assessment of commercial whey protein supplements commonly consumed in Turkey by in vitro protein digestibility-corrected amino acid score (PDCAAS). FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.64720] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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The effects of baths and wet wraps with a sweet whey solution on the level of hydration and barrier function of the epidermis. Postepy Dermatol Alergol 2021; 38:798-803. [PMID: 34849126 PMCID: PMC8610060 DOI: 10.5114/ada.2021.110078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/04/2020] [Indexed: 11/17/2022] Open
Abstract
Introduction Sweet whey is known for its various pharmacological uses as an anti-inflammatory and antioxidant agent. This is because whey proteins accelerate the release of bioactive peptides, increase the level of intracellular glutathione and the production of interleukin IL-8. However, the potential skin care effects of whey, especially in its unprocessed state, are still not clear. Aim To evaluate in vivo the cosmetic features of sweet whey baths and wet wraps on human skin. Material and methods Thirteen healthy Caucasian adult females with no dermatological diseases were examined. We used the Courage-Khazaka MPA-9 device to evaluate the effects of sweet whey baths/wet wraps on skin hydration, transepidermal water loss (TEWL) and melanin and erythema index and pH level in human skin. Results It appeared that bathing in the sweet whey solution significantly improved the barrier function of the skin in comparison with tap water treated control area on the face cheek as well as on the forearm by decreasing the value of transepidermal water loss with statistical significance. Skin hydration was enhanced only on the facial skin. No significant differences concerning other parameters were observed. Conclusions We showed that sweet whey may have decreased the TEWL level and fixed the barrier function of epidermis in this way. It seems that a bath solution with sweet whey is well tolerated and may promote local blood circulation without affecting the pH value of the skin.
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Hotta K, Taniguchi R, Nakayama H, Yamaguchi F, Sato Y. The Effects of an Oral Nutritional Supplement with Whey Peptides and Branched-Chain Amino Acids for Cardiac Rehabilitation of Patients with Chronic Heart Failure. Int Heart J 2021; 62:1342-1347. [PMID: 34789638 DOI: 10.1536/ihj.21-102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of the present study was to determine whether the addition of an oral nutritional supplement with whey peptides and branched-chain amino acids for cardiac rehabilitation improves cardiopulmonary function, skeletal muscle function, and metabolism in CHF patients.In this randomized, parallel-group comparative pilot study, 20 CHF patients were randomly assigned to the nutrition group (n = 10) or the control group (n = 10). At baseline and 12 weeks, we performed physical examinations, motor function evaluation, clinical laboratory tests, nutritional status assessment, and echocardiography. The primary outcome was exercise tolerance, as determined by the cardiopulmonary stress test (CPX), 6-minute walking test (6MWT), and brain natriuretic peptide (BNP) levels.During follow-up, body weight, body mass index, total muscle mass, and total lean mass did not change significantly in either group. The total fat mass significantly increased in the nutrition group (14.3 ± 5.4 kg versus 16.1 ± 5.5 kg, P < 0.001) but did not change in the control group, and the difference in the changes in total fat mass between groups was significant (-0.26 ± 0.96 kg versus 1.49 ± 0.63 kg, P < 0.001). The peakVO2 and 6-minute walk test (6 MWT) significantly increased in the nutrition group (14.6 ± 3.4 mL/minute/kg versus 15.8 ± 3.8 mL/minute/kg, P = 0.029; 346.9 ± 103.1 m versus 382.7 ± 102.1 m, P = 0.048; respectively) but did not change in the control group. The changes in peakVO2 and 6MWT did not significantly differ between the groups.The oral nutritional supplement for the treatment of CHF was effective for cardiac rehabilitation in terms of fat mass and exercise capacity.The present study demonstrated that oral nutritional supplements with whey peptides and branched-chain amino acid (BCAA) for cardiac rehabilitation in patients with chronic heart failure (CHF) increased fat mass and exercise capacity. We conclude that whey peptides and BCAA supplementation may be a useful treatment for CHF patients.
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Affiliation(s)
- Kozo Hotta
- Departments of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | - Ryoji Taniguchi
- Departments of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | - Hiroyuki Nakayama
- Departments of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | - Fumitaka Yamaguchi
- Departments of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | - Yukihito Sato
- Departments of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
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Lee DY, Lee CY, Shin JN, Oh JH, Shim SM. Impact of soy lecithin, zinc oxide, and methylsulfonylmethane, as excipient ingredients, on the bioaccessibility and intestinal transport of branched-chain amino acids from animal and plant protein mixtures. Food Funct 2021; 12:11399-11407. [PMID: 34673869 DOI: 10.1039/d1fo01712h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To maximize the biological activity of branched-chain amino acids (BCAAs), it is necessary to find a new excipient agent to increase the bioavailability of BCAAs in protein mixtures. The aim of the current study was to investigate the effects of soy lecithin (SLC), zinc oxide (ZnO), and methylsulfonylmethane (MSM) on the bioaccessibility and intestinal transport of BCAAs from animal and plant protein mixtures (PMs) via an in vitro digestion model with human intestinal epithelial (Caco-2) cells. The bioaccessibility of total BCAAs in PMs considerably increased by 107.51 ± 1.50% with the addition of SLC, and the combined effects of SLC, ZnO, and MSM on enhancing the bioaccessibility of total BCAAs was observed (107.14 ± 0.18%). Interestingly, SLC showed a major role in binding bile acid, showing 65.78 ± 1.66% of binding capacity. Intestinal transport of BCAAs was measured to be at 100.48, 110.86, and 130.29 μg mL-1 for leucine, isoleucine, and valine, respectively, in PMs with SLC + ZnO + MSM, and it eventually amplified the amount of the total transported BCAAs (341.63 ± 6.34 μg mL-1), which was about 8.72 times higher than that of PM only. The cellular integrity of digesta-treated Caco-2 cells tended to decrease according to the incubation time, but it was recovered in the treatment of PM + SLC + ZnO + MSM, and nearly reached the control levels with 92.82 ± 0.53%. Results from the current study suggest that the co-consumption of proteins equally consisting of plant and animal sources with SLC, ZnO, and MSM could improve the bioavailability of total BCAAs, resulting in the improvement of health benefits.
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Affiliation(s)
- Da-Yeon Lee
- Department of Food Science and Biotechnology, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006 Republic of Korea. .,Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK, USA
| | - Chan-Yang Lee
- Department of Food Science and Biotechnology, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006 Republic of Korea.
| | - Jin-Na Shin
- Department of Food Science and Biotechnology, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006 Republic of Korea. .,Deepen Co., Ltd, 185, Donggwang-ro, Seocho-gu, Seoul, 06580 Republic of Korea
| | - Jeong-Ho Oh
- Department of Food Science and Biotechnology, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006 Republic of Korea.
| | - Soon-Mi Shim
- Department of Food Science and Biotechnology, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006 Republic of Korea.
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Sexton CL, Smith MA, Smith KS, Osburn SC, Godwin JS, Ruple BA, Hendricks AM, Mobley CB, Goodlett MD, Frugé AD, Young KC, Roberts MD. Effects of Peanut Protein Supplementation on Resistance Training Adaptations in Younger Adults. Nutrients 2021; 13:nu13113981. [PMID: 34836236 PMCID: PMC8621247 DOI: 10.3390/nu13113981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/29/2021] [Accepted: 11/05/2021] [Indexed: 12/11/2022] Open
Abstract
Protein supplementation is a commonly employed strategy to enhance resistance training adaptations. However, little research to date has examined if peanut protein supplementation is effective in this regard. Thus, we sought to determine if peanut protein supplementation (PP; 75 total g/d of powder providing 30 g/d protein, >9.2 g/d essential amino acids, ~315 kcal/d) affected resistance training adaptations in college-aged adults. Forty-seven college-aged adults (n = 34 females, n = 13 males) with minimal prior training experience were randomly assigned to a PP group (n = 18 females, n = 5 males) or a non-supplement group (CTL; n = 16 females, n = 8 males) (ClinicalTrials.gov trial registration NCT04707963; registered 13 January 2021). Body composition and strength variables were obtained prior to the intervention (PRE). Participants then completed 10 weeks of full-body resistance training (twice weekly) and PP participants consumed their supplement daily. POST measures were obtained 72 h following the last training bout and were identical to PRE testing measures. Muscle biopsies were also obtained at PRE, 24 h following the first exercise bout, and at POST. The first two biopsy time points were used to determine myofibrillar protein synthesis (MyoPS) rates in response to a naïve training bout with or without PP, and the PRE and POST biopsies were used to determine muscle fiber adaptations in females only. Dependent variables were analyzed in males and females separately using two-way (supplement × time) repeated measures ANOVAs, unless otherwise stated. The 24-h integrated MyoPS response to the first naïve training bout was similar between PP and CTL participants (dependent samples t-test p = 0.759 for females, p = 0.912 for males). For males, the only significant supplement × time interactions were for DXA-derived fat mass (interaction p = 0.034) and knee extensor peak torque (interaction p = 0.010); these variables significantly increased in the CTL group (p < 0.05), but not the PP group. For females, no significant supplement × time interactions existed, although interactions for whole body lean tissue mass (p = 0.088) and vastus lateralis thickness (p = 0.099) approached significance and magnitude increases in these characteristics favored the PP versus CTL group. In summary, this is the second study to determine the effects of PP supplementation on resistance training adaptations. While PP supplementation did not significantly enhance training adaptations, the aforementioned trends in females, the limited n-size in males, and this being the second PP supplementation study warrant more research to determine if different PP dosing strategies are more effective than the current approach.
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Affiliation(s)
- Casey L. Sexton
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Morgan A. Smith
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Kristen S. Smith
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (K.S.S.); (A.D.F.)
| | - Shelby C. Osburn
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Joshua S. Godwin
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Bradley A. Ruple
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Alex M. Hendricks
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Christopher B. Mobley
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
| | - Michael D. Goodlett
- Athletics Department, Auburn University, Auburn, AL 36849, USA;
- Department of Cell Biology and Physiology, Edward Via College of Osteopathic Medicine, Auburn, AL 36832, USA
| | - Andrew D. Frugé
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL 36849, USA; (K.S.S.); (A.D.F.)
| | - Kaelin C. Young
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
- Department of Cell Biology and Physiology, Edward Via College of Osteopathic Medicine, Auburn, AL 36832, USA
| | - Michael D. Roberts
- School of Kinesiology, Auburn University, Auburn, AL 36849, USA; (C.L.S.); (M.A.S.); (S.C.O.); (J.S.G.); (B.A.R.); (A.M.H.); (C.B.M.); (K.C.Y.)
- Department of Cell Biology and Physiology, Edward Via College of Osteopathic Medicine, Auburn, AL 36832, USA
- Correspondence: ; Tel.: +1-334-844-1925; Fax: +1-334-944-1467
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Paladii IV, Vrabie EG, Sprinchan KG, Bologa MK. Part 1: Classification, Composition, Properties, Derivatives, and Application. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2021. [DOI: 10.3103/s1068375521050112] [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]
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Bai GH, Tsai MC, Tsai HW, Chang CC, Hou WH. Effects of branched-chain amino acid-rich supplementation on EWGSOP2 criteria for sarcopenia in older adults: a systematic review and meta-analysis. Eur J Nutr 2021; 61:637-651. [PMID: 34705076 DOI: 10.1007/s00394-021-02710-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 10/13/2021] [Indexed: 12/19/2022]
Abstract
PURPOSE According to criteria recommended by the European Working Group on Sarcopenia in Older People 2 (EWGSOP2), we analyzed the effects of branched-chain amino acid (BCAA)-rich supplements on muscle strength, muscle mass, and physical performance in older people. METHODS We searched PubMed, Embase, Cochrane Library, and CINAHL from inception until March 2021. Randomized controlled trials that examined the effect of BCAA-rich supplements on older people were included. Random-effects meta-analyses and sensitivity analyses were performed. Subgroup analyses were stratified by participant and supplementation characteristics. Meta-regression analyses were performed to examine the effect of continuous variables. RESULTS Thirty-five studies were included in this meta-analysis. Quality assessment revealed that 14 of 35 RCTs had some potential bias. The overall standardized mean difference (SMD) in muscle strength, muscle mass, and physical performance between the supplement and control groups was 0.35 (95% CI = [0.15, 0.55], P = 0.0007), 0.25 (95% CI = [0.10, 0.40], P = 0.0008), and 0.29 (95% CI = [0.00, 0.57], P = 0.05), respectively. Subgroup analysis revealed that essential amino acid supplementation improved handgrip strength more significantly than whey protein supplementation in older people. Meta-regression analysis revealed a significant linear relationship between improvements in handgrip strength and body mass index. CONCLUSIONS BCAA-rich supplementation by older people may have beneficial effects on muscle mass and strength. However, the included studies had high heterogeneity, and the results must be interpreted with caution. PROSPERO REGISTRATION NUMBER CRD42020206674.
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Affiliation(s)
- Geng-Hao Bai
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
- Center of Evidence-Based Medicine, Department of Education, Taipei Medical University Hospital, 252 Wu-Xing Street, Taipei, Taiwan, ROC
| | - Meng-Chen Tsai
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
- Center of Evidence-Based Medicine, Department of Education, Taipei Medical University Hospital, 252 Wu-Xing Street, Taipei, Taiwan, ROC
| | - Han-Wei Tsai
- Center of Evidence-Based Medicine, Department of Education, Taipei Medical University Hospital, 252 Wu-Xing Street, Taipei, Taiwan, ROC
- Master Program in Long-Term Care and School of Gerontology Health Management, College of Nursing, Taipei Medical University, Taipei, Taiwan, ROC
| | - Chun-Chao Chang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan, ROC
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC
| | - Wen-Hsuan Hou
- Center of Evidence-Based Medicine, Department of Education, Taipei Medical University Hospital, 252 Wu-Xing Street, Taipei, Taiwan, ROC.
- Master Program in Long-Term Care and School of Gerontology Health Management, College of Nursing, Taipei Medical University, Taipei, Taiwan, ROC.
- Department of Geriatric Medicine, Taipei Medical University Hospital, Taipei, Taiwan, ROC.
- Department of Physical Medicine and Rehabilitation, Taipei Medical University Hospital, Taipei, Taiwan, ROC.
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31
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Wageh M, Fortino SA, McGlory C, Kumbhare D, Phillips SM, Parise G. The Effect of a Multi-ingredient Supplement on Resistance Training-induced Adaptations. Med Sci Sports Exerc 2021; 53:1699-1707. [PMID: 33756525 DOI: 10.1249/mss.0000000000002641] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Resistance exercise training (RET) induces muscle hypertrophy that, when combined with co-temporal protein ingestion, is enhanced. However, fewer studies have been conducted when RET is combined with multi-ingredient supplements. PURPOSE We aimed to determine the effect of a high-quality multi-ingredient nutritional supplement (SUPP) versus an isonitrogenous (lower protein quality), isoenergetic placebo (PL) on RET-induced gains in lean body mass (LBM), muscle thickness, and muscle cross-sectional area (CSA). We hypothesized that RET-induced gains in LBM and muscle CSA would be greater in SUPP versus PL. METHODS In a double-blind randomized controlled trial, 26 (13 male, 13 female) healthy young adults (mean ± SD, 22 ± 2 yr) were randomized to either the SUPP group (n = 13; 20 g whey protein, 2 g leucine, 2.5 g creatine monohydrate, 300 mg calcium citrate, 1000 IU vitamin D) or the PL group (n = 13; 20 g collagen peptides, 1.4 g alanine, 0.6 g glycine) groups, ingesting their respective supplements twice daily. Measurements were obtained before and after a 10-wk linear progressive RET program. RESULTS Greater increases in LBM were observed for SUPP versus PL (SUPP: +4.1 ± 1.3 kg, PL: +2.8 ± 1.7 kg, P < 0.05). No additive effect of the supplement could be detected on vastus lateralis muscle CSA, but SUPP did result in increased biceps brachii muscle CSA and thickness (P < 0.05). CONCLUSIONS We conclude that when combined with RET, the consumption of SUPP increased LBM and upper-body CSA and thickness to a greater extent than to that observed in the PL group of healthy young adults.
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Affiliation(s)
- Mai Wageh
- Department of Kinesiology, McMaster University, Hamilton, Ontario, CANADA
| | - Stephen A Fortino
- Department of Kinesiology, McMaster University, Hamilton, Ontario, CANADA
| | - Chris McGlory
- Department of Kinesiology, McMaster University, Hamilton, Ontario, CANADA
| | - Dinesh Kumbhare
- Toronto Rehabilitation Institute, University Health Network, Toronto, Ontario, CANADA
| | - Stuart M Phillips
- Department of Kinesiology, McMaster University, Hamilton, Ontario, CANADA
| | - Gianni Parise
- Department of Kinesiology, McMaster University, Hamilton, Ontario, CANADA
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Hirsch KR, Wolfe RR, Ferrando AA. Pre- and Post-Surgical Nutrition for Preservation of Muscle Mass, Strength, and Functionality Following Orthopedic Surgery. Nutrients 2021; 13:nu13051675. [PMID: 34063333 PMCID: PMC8156786 DOI: 10.3390/nu13051675] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022] Open
Abstract
Nutritional status is a strong predictor of postoperative outcomes and is recognized as an important component of surgical recovery programs. Adequate nutritional consumption is essential for addressing the surgical stress response and mitigating the loss of muscle mass, strength, and functionality. Especially in older patients, inadequate protein can lead to significant muscle atrophy, leading to a loss of independence and increased mortality risk. Current nutritional recommendations for surgery primarily focus on screening and prevention of malnutrition, pre-surgical fasting protocols, and combating post-surgical insulin resistance, while recommendations regarding macronutrient composition and timing around surgery are less established. The goal of this review is to highlight oral nutrition strategies that can be implemented leading up to and following major surgery to minimize atrophy and the resultant loss of functionality. The role of carbohydrate and especially protein/essential amino acids in combating the surgical stress cascade and supporting recovery are discussed. Practical considerations for nutrient timing to maximize oral nutritional intake, especially during the immediate pre- and post- surgical periods, are also be discussed.
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Perez-Cornago A. Commentary: Dairy milk intake and breast cancer risk: does an association exist, and what might be the culprit? Int J Epidemiol 2021; 49:1537-1539. [PMID: 33336257 PMCID: PMC7746400 DOI: 10.1093/ije/dyaa199] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/18/2020] [Indexed: 12/27/2022] Open
Affiliation(s)
- Aurora Perez-Cornago
- Cancer Epidemiology Unit, Nuffield Department of Population Health, Richard Doll Building, Old Road Campus, Headington, Oxford OX3 7LF, UK. E-mail:
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Avula B, Parveen I, Zhao J, Wang M, Techen N, Wang YH, Riaz M, Bae JY, Shami AA, Chittiboyina AG, Khan IA, Sharp JS. A Comprehensive Workflow for the Analysis of Bio-Macromolecular Supplements: Case Study of 20 Whey Protein Products. J Diet Suppl 2021; 19:515-533. [PMID: 33764265 DOI: 10.1080/19390211.2021.1897724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The presence of bio-macromolecules as major ingredients is a primary factor in marketing many biologically derived macromolecular supplements. Workflows for analyzing these supplements for quality assurance, adulteration, and other supply-chain difficulties must include a qualitative assessment of small-molecule and macromolecular components; however, no such integrated protocol has been reported for these bio-macromolecular supplements. Twenty whey protein supplements were analyzed using an integrated workflow to identify protein content, protein adulteration, inorganic elemental content, and macromolecular and small-molecule profiles. Orthogonal analytical methods were employed, including NMR profiling, LC-DAD-QToF analysis of small-molecule components, ICP-MS analysis of inorganic elements, determination of total protein content by a Bradford assay, SDS-PAGE protein profiling, and bottom-up shotgun proteomic analysis using LC-MS-MS. All 20 supplements showed a reduced protein content compared to the claimed content but no evidence of adulteration with protein from an unclaimed source. Many supplements included unlabeled small-molecule additives (but nontoxic) and significant deviations in metal content, highlighting the importance of both macromolecular and small-molecule analysis in the comprehensive profiling of macromolecular supplements. An orthogonal, integrated workflow allowed the detection of crucial product characteristics that would have remained unidentified using traditional workflows involving either analysis of small-molecule nutritional supplements or protein analysis.
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Affiliation(s)
- Bharathi Avula
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Iffat Parveen
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Jianping Zhao
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Mei Wang
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Natascha Techen
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Yan-Hong Wang
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Mohammad Riaz
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS, USA University
| | - Ji-Yeong Bae
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA.,College of Pharmacy, Jeju National University, Jeju, South Korea
| | - Anter A Shami
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS, USA University
| | - Amar G Chittiboyina
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA
| | - Ikhlas A Khan
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA.,Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS, USA University
| | - Joshua S Sharp
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS, USA University.,Department of Chemistry and Biochemistry, University of Mississippi, University, MS, USA
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Diaz JT, Foegeding EA, Lila MA. Whey protein-polyphenol aggregate particles mitigate bar hardening reactions in high protein bars. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110747] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Hirsch KR, Greenwalt CE, Saylor HE, Gould LM, Harrison CH, Brewer GJ, Blue MNM, Ferrando AA, Huffman KM, Mayer‐Davis EJ, Ryan ED, Smith‐Ryan AE. High-intensity interval training and essential amino acid supplementation: Effects on muscle characteristics and whole-body protein turnover. Physiol Rep 2021; 9:e14655. [PMID: 33369879 PMCID: PMC7769174 DOI: 10.14814/phy2.14655] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/23/2020] [Accepted: 10/29/2020] [Indexed: 12/15/2022] Open
Abstract
The purpose of this study was to compare the independent and combined effects of high-intensity interval training (HIIT) and essential amino acids (EAA) on lean mass, muscle characteristics of the quadriceps, and 24-hr whole-body protein turnover (WBPT) in overweight and obese adults. An exploratory aim was to evaluate potential modulatory effects of sex. Sixty-six adults (50% female; Age: 36.7 ± 6.0 yrs; %BF: 36.0 ± 7.8%) were assigned to 8 wks of: (a) HIIT, 2 days/wk; (b) EAA supplementation, 3.6 g twice daily; (c) HIIT + EAA; or (d) control. At baseline, 4 wks, and 8 wks, total body, thigh LM and muscle characteristics were measured via dual-energy x-ray absorptiometry and B-mode ultrasound, respectively. In a subsample, changes in WBPT was measured using [N15 ]alanine. Differences between groups were assessed using linear mixed models adjusted for baseline values, followed by 95% confidence intervals on adjusted mean change scores (Δ). HIIT and HIIT + EAA improved thigh LM (Δ: +0.17 ± 0.05 kg [0.08, 0.27]; +0.22 ± 0.05 kg [0.12,0.31]) and vastus lateralis cross-sectional area (Δ: +2.73 ± 0.52 cm2 [1.69,3.77]; +2.64 ± 0.53 cm2 [1.58,3.70]), volume (Δ: +54.50 ± 11.69 cm3 [31.07, 77.92]; +62.39 ± 12.05 cm3 [38.26, 86.52]), and quality (Δ: -5.46 ± 2.68a.u. [-10.84, -0.09]; -7.97 ± 2.76a.u.[-13.49, -2.45]). Protein synthesis, breakdown, and flux were greater with HIIT + EAA and EAA compared to HIIT (p < .05). Sex differences were minimal. Compared to women, men tended to respond more to HIIT, with or without EAA. For women, responses were greater with HIIT + EAA than HIIT. In overweight and obese adults, 8 weeks of HIIT, with or without EAA, improved thigh LM size and quality; EAA may enhance muscular adaptation via increases in protein turnover, supporting greater improvements in muscular size and quality.
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Affiliation(s)
- Katie R. Hirsch
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Human Movement Science CurriculumDepartment of Allied Health ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Department of GeriatricsDonald W. Reynolds Institute on AgingCenter for Translational Research in Aging & LongevityUniversity of Arkansas for Medical SciencesLittle RockARUSA
| | - Casey E. Greenwalt
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Hannah E. Saylor
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Human Movement Science CurriculumDepartment of Allied Health ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Lacey M. Gould
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Courtney H. Harrison
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Gabrielle J. Brewer
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Malia N. M. Blue
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Human Movement Science CurriculumDepartment of Allied Health ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Arny A. Ferrando
- Department of GeriatricsDonald W. Reynolds Institute on AgingCenter for Translational Research in Aging & LongevityUniversity of Arkansas for Medical SciencesLittle RockARUSA
| | - Kim M. Huffman
- Duke Molecular Physiology InstituteDuke UniversityDurhamNCUSA
- Department of MedicineDuke University School of MedicineDurhamNCUSA
| | - Elizabeth J. Mayer‐Davis
- Department of NutritionGillings School of Public HealthUniversity of North Carolina at Chapel Hill Chapel HillNCUSA
- Department of MedicineUniversity of North CarolinaChapel HillNCUSA
| | - Eric D. Ryan
- Human Movement Science CurriculumDepartment of Allied Health ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Neuromuscular Assessment LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
| | - Abbie E. Smith‐Ryan
- Applied Physiology LaboratoryDepartment of Exercise and Sport ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Human Movement Science CurriculumDepartment of Allied Health ScienceUniversity of North Carolina at Chapel HillChapel HillNCUSA
- Department of NutritionGillings School of Public HealthUniversity of North Carolina at Chapel Hill Chapel HillNCUSA
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The efficacy of essential amino acid supplementation for augmenting dietary protein intake in older adults: implications for skeletal muscle mass, strength and function. Proc Nutr Soc 2020; 80:230-242. [PMID: 33315000 DOI: 10.1017/s0029665120008010] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The primary aim of this review is to evaluate the efficacy of essential amino acid (EAA) supplementation as a strategy to increase dietary protein intake and improve muscle mass, strength and function in older adults. A sufficient daily protein intake is widely recognised to be fundamental for the successful management of sarcopenia in older undernourished adults. In practice, optimising protein intakes in older adults is complex, requiring consideration of the dose and amino acid composition (i.e. a complete EAA profile and abundant leucine content) of ingested protein on a per meal basis, alongside the age-related decline in appetite and the satiating properties of protein. Recent studies in older adults demonstrate that EAA-based supplements are non-satiating and can be administered alongside food to enhance the anabolic properties of a meal containing a suboptimal dose of protein; an effect magnified when combined with resistance exercise training. These findings support the notion that EAA supplementation could serve as an effective strategy to improve musculoskeletal health in older adults suffering from non-communicable diseases such as sarcopenia. Compliance is critical for the long-term success of complex interventions. Hence, aspects of palatability and desire to eat are important considerations regarding EAA supplementation. In conclusion, EAA-based supplements enriched with l-leucine offer an alternative strategy to whole protein sources to assist older adults in meeting protein recommendations. In practice, EAA supplements could be administered alongside meals of suboptimal protein content, or alternatively between meals on occasions when older adults achieve their per meal protein intake recommendations.
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Lamb DA, Moore JH, Smith MA, Vann CG, Osburn SC, Ruple BA, Fox CD, Smith KS, Altonji OM, Power ZM, Cerovsky AE, Ross CO, Cao AT, Goodlett MD, Huggins KW, Fruge AD, Young KC, Roberts MD. The effects of resistance training with or without peanut protein supplementation on skeletal muscle and strength adaptations in older individuals. J Int Soc Sports Nutr 2020; 17:66. [PMID: 33317565 PMCID: PMC7734909 DOI: 10.1186/s12970-020-00397-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 12/07/2020] [Indexed: 12/21/2022] Open
Abstract
Several studies suggest resistance training (RT) while supplementing with various protein supplements can enhance strength and muscle mass in older individuals. However, to date, no study has examined the effects of RT with a peanut protein powder (PP) supplement on these outcomes. Herein, 39 older, untrained individuals (n = 17 female, n = 22 male; age = 58.6 ± 8.0 years; body mass index =28.7 ± 5.8) completed a 6-week (n = 22) or 10-week (n = 17) RT program, where full-body training was implemented twice weekly (ClinicalTrials.gov trial registration NCT04015479; registered July 11, 2019). Participants in each program were randomly assigned to consume either a PP supplement once per day (75 total g powder providing 30 g protein, > 9.2 g essential amino acids, ~ 315 kcal; n = 20) or no supplement (CTL; n = 19). Right leg vastus lateralis (VL) muscle biopsies were obtained prior to and 24 h following the first training bout in all participants to assess the change in myofibrillar protein synthetic rates (MyoPS) as measured via the deuterium-oxide (D2O) tracer method. Pre- and Post-intervention testing in all participants was conducted using dual energy x-ray absorptiometry (DXA), VL ultrasound imaging, a peripheral quantitative computed tomography (pQCT) scan at the mid-thigh, and right leg isokinetic dynamometer assessments. Integrated MyoPS rates over a 24-h period were not significantly different (p < 0.05) between supplement groups following the first training bout. Regarding chronic changes, there were no significant supplement-by-time interactions in DXA-derived fat mass, lean soft tissue mass or percent body fat between supplementation groups. There was, however, a significant increase in VL thickness in PP versus CTL participants when the 6- and 10-week cohorts were pooled (interaction p = 0.041). There was also a significant increase in knee flexion torque in the 10-week PP group versus the CTL group (interaction p = 0.032). In conclusion, a higher-protein, defatted peanut powder supplement in combination with RT positively affects select markers of muscle hypertrophy and strength in an untrained, older adult population. Moreover, subanalyses indicated that gender did not play a role in these adaptations.
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Affiliation(s)
- Donald A Lamb
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL, 36849, USA
| | - Johnathon H Moore
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Morgan A Smith
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Christopher G Vann
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Shelby C Osburn
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Bradley A Ruple
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Carlton D Fox
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Kristen S Smith
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL, 36849, USA
| | - Olivia M Altonji
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL, 36849, USA
| | - Zade M Power
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Annsley E Cerovsky
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - C Owen Ross
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Andy T Cao
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA
| | - Michael D Goodlett
- Athletics Department, Auburn University, Auburn, AL, 36849, USA.,Edward Via College of Osteopathic Medicine Auburn, Auburn, AL, 36832, USA
| | - Kevin W Huggins
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL, 36849, USA
| | - Andrew D Fruge
- Department of Nutrition, Dietetics and Hospitality Management, Auburn University, Auburn, AL, 36849, USA
| | - Kaelin C Young
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA.,Edward Via College of Osteopathic Medicine Auburn, Auburn, AL, 36832, USA
| | - Michael D Roberts
- Molecular and Applied Sciences Laboratory, Applied Physiology Laboratory, School of Kinesiology, Auburn University, 301 Wire Road, Office 260, Auburn, AL, 36849, USA. .,Edward Via College of Osteopathic Medicine Auburn, Auburn, AL, 36832, USA.
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Abstract
With the increased consumer demand for nutritional foods, it is important to develop value-added products, which will not only catch the attention of a wider consumer group but also provide greater benefits in terms of enhanced nutrition and functionality. Milk whey proteins are one of the most valued constituents due to their nutritional and techno-functional attributes. Whey proteins are rich in bioactive peptides, possessing bioactive properties such as being antioxidant and antihypertensive as well as having antimicrobial activities, which, when ingested, confers several health benefits. These peptides have the potential to be used as an active food ingredient in the production of functional foods. In addition to their bioactivities, whey proteins are known to possess enhanced functional attributes that allow them to be utilized in broad applications, such as an encapsulating agent or carrier materials to entrap bioactive compounds, emulsification, and in edible and active packaging. Hence, over the recent years, several whey protein-based ingredients have been developed and utilized in making formulations for a wide range of foods to harness their beneficial properties. This review highlights the bioactive properties, functional characteristics, associated processing limitations, and applications of different whey protein fractions and derivatives in the field of food formulations, encapsulation, and packaging.
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Liu Y, Li D, Wei Y, Ma Y, Wang Y, Huang L, Wang Y. Hydrolyzed peptides from purple perilla (Perilla frutescens L. Britt.) seeds improve muscle synthesis and exercise performance in mice. J Food Biochem 2020; 44:e13461. [PMID: 32984958 DOI: 10.1111/jfbc.13461] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 01/04/2023]
Abstract
The purple perilla (Perilla frutescens L. Britt.) seed peptides (PPSP) were obtained and their improvement of muscle synthesis and exercise performance was investigated in this work. Results showed that the weight-average molecular weight of the PPSP was 869 Dalton. The PPSP were rich in branched-chain amino acids (18.82 g/100 g) and anti-fatigue amino acids, including glutamate (Glu), aspartic acid (Asp), and arginine (Arg). After the administration of PPSP at 1.2 g kg-1 day-1 for 4 weeks, the muscle coefficient and muscle fiber thickness in mice displayed a distinct (p < .05) increase via the upregulation of myogenic differentiation (MyoD) and myogenin (MyoG). The improved muscle strength and exercise tolerance were also observed. Simultaneously, the levels of the biochemical blood markers associated with fatigue and the glycogen degradation in liver and muscle were significantly (p < .05) suppressed. These results suggested that PPSP could effectively promote muscle synthesis and ameliorate exercise fatigue. PRACTICAL APPLICATIONS: Purple perilla is an annual herbal plant and widely grown in Asian countries as an important crop and food. It is believed that the protein content of purple perilla seeds can reach 23.7%, and the protein is rich in essential amino acids. However, the information about the beneficial effects of their proteins or peptides on muscle synthesis and anti-exercise fatigue were still limited. The present results discovered that the PPSP can effectively promote the growth of muscle tissue and improve exercise tolerance. It is indicated that PPSP may have a potential application value in partly or completely replacing animal proteins such as whey protein.
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Affiliation(s)
- Yixiang Liu
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Donghui Li
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Ying Wei
- The Department of Food Engineering, China National Research Institute of Food & Fermentation Industries Corporation Limited, Beijing, People's Republic of China
| | - Yu Ma
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Yuchen Wang
- The Department of Food Engineering, China National Research Institute of Food & Fermentation Industries Corporation Limited, Beijing, People's Republic of China
| | - Ling Huang
- College of Food and Biological Engineering, Jimei University, Xiamen, People's Republic of China
| | - Yanbo Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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So E, Joung H. Effect of Dairy Protein Intake on Muscle Mass among Korean Adults: A Prospective Cohort Study. Nutrients 2020; 12:E2537. [PMID: 32825743 PMCID: PMC7551315 DOI: 10.3390/nu12092537] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/18/2020] [Accepted: 08/18/2020] [Indexed: 12/23/2022] Open
Abstract
This cohort study aimed to identify the associations of dairy protein intake with the risk of developing a low muscle mass during a 12-year follow-up period, using data from 4412 middle-aged Korean Genome and Epidemiology Study participants with a normal baseline muscle mass. Dairy protein intake at baseline was assessed using a semi-quantitative Food Frequency Questionnaire. Skeletal muscle mass index (SMI), defined as the weight-adjusted skeletal muscle mass, was measured biennially using multi-frequency bioelectrical impedance analyses. Cox proportional hazards regression analysis was used to calculate multivariable-adjusted hazard ratios (HRs) and 95% confidence intervals (CIs). Overall, 395 subjects developed a low SMI (%) during an average follow-up of 141 (19-152) months. The average consumption of milk and other dairy products was 73.6 and 104.1 g/day, respectively. In men, a higher dairy protein intake was associated with a decreased risk of developing a low SMI (tertile 3 [T3] vs. T1, HR: 0.63; 95% CI: 0.42, 0.94; p for trend = 0.029). In a stratified analysis according to a total protein intake, this association was stronger in the lower-protein intake group (HR: 0.59; 95% CI: 0.35, 0.99; p for trend = 0.036) but not detected in the higher-protein intake group. Men who consumed milk ≥1 time/day had a significantly lower risk of developing a low SMI (HR: 0.62; 95% CI: 0.39, 0.98; p for trend = 0.023). No significant associations were observed in women. In summary, dairy consumption appears to be beneficial for decreasing the risk of developing a low muscle mass in middle-aged Korean men.
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Affiliation(s)
- Eunjin So
- Department of Clinical Nutrition, The Catholic University of Korea Seoul St, Mary’s Hospital, Seoul 06591, Korea;
| | - Hyojee Joung
- Department of Public Health, Graduate School of Public Health & Institute of Health and Environment, Seoul National University, Gwanak-gu, Seoul 08826, Korea
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Nakamura K, Nakano H, Naraba H, Mochizuki M, Takahashi Y, Sonoo T, Hashimoto H, Morimura N. High protein versus medium protein delivery under equal total energy delivery in critical care: A randomized controlled trial. Clin Nutr 2020; 40:796-803. [PMID: 32800385 DOI: 10.1016/j.clnu.2020.07.036] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 07/28/2020] [Accepted: 07/31/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Appropriate protein delivery amounts during the acute phase of critical care are unknown. Along with nutrition, early mobilization and the combination are important. We conducted a randomized controlled trial during critical care to assess high-protein and medium-protein delivery under equal total energy delivery with and without active early rehabilitation. METHODS ICU patients of August 2018-September 2019 were allocated to a high-protein group (target energy 20 kcal/kg/day, protein 1.8 g/kg/day) or a medium-protein group (target energy 20 kcal/kg/day, protein 0.9 g/kg/day) with the same nutrition protocol by day 10. By dividing the study period, standard rehabilitation was administered during the initial period. Rehabilitation with belt-type electrical muscle stimulation was given from day 2 in the latter as a historical comparison. Femoral muscle volume was evaluated on day 1 and day 10 using computed tomography. RESULTS This study analyzed 117 eligible patients with similar characteristics assigned to a high-protein or medium-protein group. Total energy delivery was around 20 kcal/kg/day in both groups, but protein delivery was 1.5 g/kg/day and 0.8 g/kg/day. As a primary outcome, femoral muscle volume loss was 12.9 ± 8.5% in the high-protein group and 16.9 ± 7.0% in the medium-protein group, with significant difference (p = 0.0059). Persistent inflammation, immunosuppression, and catabolism syndrome were significantly less frequent in the high-protein group. Muscle volume loss was significantly less in the high-protein group only during the electrical muscle stimulation period. CONCLUSIONS For critical care, high protein delivery provided better muscle volume maintenance, but only with active early rehabilitation. REGISTRATION University Hospital Medical Information Network, UMIN000033783 Registered on 16 Aug 2018. https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000038538.
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Affiliation(s)
- Kensuke Nakamura
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan.
| | - Hidehiko Nakano
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan.
| | - Hiromu Naraba
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan; TXP Medical Co. Ltd., 3-13 Nihonbashiyokoyamacho, Chuo-ku, Tokyo, 103-0003, Japan.
| | - Masaki Mochizuki
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan.
| | - Yuji Takahashi
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan.
| | - Tomohiro Sonoo
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan; TXP Medical Co. Ltd., 3-13 Nihonbashiyokoyamacho, Chuo-ku, Tokyo, 103-0003, Japan.
| | - Hideki Hashimoto
- Department of Emergency and Critical Care Medicine, Hitachi General Hospital, 2-1-1, Jonan-cho, Hitachi, Ibaraki, 317-0077, Japan.
| | - Naoto Morimura
- Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo, Tokyo, 113-8655, Japan.
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45
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Zang Z, Chou S, Tian J, Lang Y, Shen Y, Ran X, Gao N, Li B. Effect of whey protein isolate on the stability and antioxidant capacity of blueberry anthocyanins: A mechanistic and in vitro simulation study. Food Chem 2020; 336:127700. [PMID: 32768906 DOI: 10.1016/j.foodchem.2020.127700] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/17/2020] [Accepted: 07/26/2020] [Indexed: 01/06/2023]
Abstract
The processing stability and antioxidant capacity of blueberry anthocyanins (ANs) in the presence of whey protein isolate (WPI) were examined. WPI was found to enhance both the stability and antioxidant activity of ANs during processing and simulated in vitro digestion, especially at a concentration of 0.15 mg·mL-1. Fluorescence and ultraviolet-visible absorption spectroscopy showed that ANs were primarily stabilized by hydrophobic forces between WPI and malvidin-3-O-galactoside (M3G), the major anthocyanin monomer. Circular dichroism and Fourier-transform infrared spectroscopy confirmed that the structure of WPI changed and the microenvironments of certain amino acid residues were modulated by non-covalent binding to M3G; furthermore, fewer α-helices and more β-sheets were formed. Molecular docking studies revealed that WPI, especially immunoglobulin (IgG), contributed the most to ANs stability via hydrogen bonds and hydrophobic forces according to molecular docking scores (-141.30 kcal/mol). These results provided an important fundamental basis for improving the stabilities of ANs in milk systems.
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Affiliation(s)
- Zhihuan Zang
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Shurui Chou
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Jinlong Tian
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Yuxi Lang
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Yixiao Shen
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Xulong Ran
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Ningxuan Gao
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China
| | - Bin Li
- College of Food Science, Shenyang Agricultural University, Shenyang, Liaoning 110866, China.
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46
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Whey for Sarcopenia; Can Whey Peptides, Hydrolysates or Proteins Play a Beneficial Role? Foods 2020; 9:foods9060750. [PMID: 32517136 PMCID: PMC7353484 DOI: 10.3390/foods9060750] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 05/29/2020] [Accepted: 06/02/2020] [Indexed: 12/20/2022] Open
Abstract
As the human body ages, skeletal muscle loses its mass and strength. It is estimated that in 10% of individuals over the age of 60, this muscle frailty has progressed to sarcopenia. Biomarkers of sarcopenia include increases in inflammatory markers and oxidative stress markers and decreases in muscle anabolic markers. Whey is a high-quality, easily digested dairy protein which is widely used in the sports industry. This review explores the evidence that whey protein, hydrolysates or peptides may have beneficial effects on sarcopenic biomarkers in myoblast cell lines, in aged rodents and in human dietary intervention trials with the older consumer. A daily dietary supplementation of 35 g of whey is likely to improve sarcopenic biomarkers in frail or sarcopenia individuals. Whey supplementation, consumed by an older, healthy adult certainly improves muscle mTOR signaling, but exercise appears to have the greatest benefit to older muscle. In vitro cellular assays are central for bioactive and bioavailable peptide identification and to determine their mechanism of action on ageing muscle.
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47
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Farooq MA, Xu L, Aquib M, Ahsan A, Baig MMFA, Wang B. Denatured food protein-coated nanosuspension: A promising approach for anticancer delivery of hydrophobic drug. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112690] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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48
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Lin C, Han G, Ning H, Song J, Ran N, Yi X, Seow Y, Yin H. Glycine Enhances Satellite Cell Proliferation, Cell Transplantation, and Oligonucleotide Efficacy in Dystrophic Muscle. Mol Ther 2020; 28:1339-1358. [PMID: 32209436 DOI: 10.1016/j.ymthe.2020.03.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/10/2020] [Accepted: 03/05/2020] [Indexed: 12/25/2022] Open
Abstract
The need to distribute therapy evenly systemically throughout the large muscle volume within the body makes Duchenne muscular dystrophy (DMD) therapy a challenge. Cell and exon-skipping therapies are promising but have limited effects, and thus enhancing their therapeutic potency is of paramount importance to increase the accessibility of these therapies to DMD patients. In this study, we demonstrate that co-administered glycine improves phosphorodiamidate morpholino oligomer (PMO) potency in mdx mice with marked functional improvement and an up to 50-fold increase of dystrophin in abdominal muscles compared to PMO in saline. Glycine boosts satellite cell proliferation and muscle regeneration by increasing activation of mammalian target of rapamycin complex 1 (mTORC1) and replenishing the one-carbon unit pool. The expanded regenerating myofiber population then results in increased PMO uptake. Glycine also augments the transplantation efficiency of exogenous satellite cells and primary myoblasts in mdx mice. Our data provide evidence that glycine enhances satellite cell proliferation, cell transplantation, and oligonucleotide efficacy in mdx mice, and thus it has therapeutic utility for cell therapy and drug delivery in muscle-wasting diseases.
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Affiliation(s)
- Caorui Lin
- Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Gang Han
- School of Medical Laboratory, Tianjin Medical University, Guangdong Road, Tianjin 300203, China
| | - Hanhan Ning
- Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Jun Song
- Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Ning Ran
- Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Qixiangtai Road, Heping District, Tianjin 300070, China
| | - Xianfu Yi
- School of Biomedical Engineering, Tianjin Medical University, Tianjin, China
| | - Yiqi Seow
- Molecular Engineering Laboratory, Biomedical Sciences Institutes, Agency for Science Technology and Research, 61 Biopolis Way, Singapore 138668, Singapore
| | - HaiFang Yin
- Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Qixiangtai Road, Heping District, Tianjin 300070, China.
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49
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Björkman MP, Suominen MH, Kautiainen H, Jyväkorpi SK, Finne-Soveri HU, Strandberg TE, Pitkälä KH, Tilvis RS. Effect of Protein Supplementation on Physical Performance in Older People With Sarcopenia-A Randomized Controlled Trial. J Am Med Dir Assoc 2019; 21:226-232.e1. [PMID: 31734121 DOI: 10.1016/j.jamda.2019.09.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 09/01/2019] [Accepted: 09/05/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVES To test the long-term effects of whey-enriched protein supplementation on muscle and physical performance. DESIGN A 12-month randomized controlled double blind trial with a 43-month of post-trial follow-up. SETTING Porvoo, Finland. PARTICIPANTS A total of 218 older (>74 years of age) community-dwelling people with sarcopenia. INTERVENTION (1) Control with no supplementation; (2) isocaloric placebo; and (3) 20 g × 2 whey-enriched protein supplementation. All participants were given instructions on home-based exercise, dietary protein, and vitamin D supplementation of 20 μg/d. MEASUREMENTS Physical performance was assessed by short physical performance battery and continuous summary physical performance scores. Hand grip strength and calf intracellular resistance based skeletal muscle index were measured by bioimpedance spectroscopy. The measurements were performed at 0, 6, and 12 months. The post-trial follow-up was performed by a postal questionnaire and national census record data. RESULTS The participants were older (75-96 years of age) and mostly women (68%). The test supplements had no significant effects on physical performance; the 12-month changes for short physical performance battery were -0.55, -.05, and 0.03 points in control, isocaloric, and protein groups (P = .17), respectively. The changes in continuous summary physical performance scores were similar between the intervention groups (P = .76). The hand grip strength decreased significantly in all intervention groups, and the 12-month changes in calf intracellular resistance-based skeletal muscle index were minor and there were no differences between the intervention groups. One-half of the patients (56%) in both supplement groups reported mild gastrointestinal adverse effects. Differences were found neither in the all-cause mortality nor physical functioning in the post-trial follow-up. CONCLUSIONS The whey-enriched protein supplementation in combination with low intensity home-based physical exercise did not attenuate the deterioration of muscle and physical performance in community-dwelling older people with sarcopenia.
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Affiliation(s)
- Mikko P Björkman
- Geriatric Unit, Department of Internal Medicine, University of Helsinki, Helsinki, Finland.
| | - Merja H Suominen
- Unit of General Practice, Helsinki University Central Hospital, and University of Helsinki, Helsinki, Finland; Department of General Practice, University of Helsinki, Helsinki, Finland
| | - Hannu Kautiainen
- Unit of General Practice, Helsinki University Central Hospital, and University of Helsinki, Helsinki, Finland; Department of General Practice, University of Helsinki, Helsinki, Finland
| | - Satu K Jyväkorpi
- Department of General Practice, University of Helsinki, Helsinki, Finland
| | | | - Timo E Strandberg
- Geriatric Unit, Department of Internal Medicine, University of Helsinki, Helsinki, Finland
| | - Kaisu H Pitkälä
- Unit of General Practice, Helsinki University Central Hospital, and University of Helsinki, Helsinki, Finland; Department of General Practice, University of Helsinki, Helsinki, Finland
| | - Reijo S Tilvis
- Geriatric Unit, Department of Internal Medicine, University of Helsinki, Helsinki, Finland
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50
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Butterworth M, Lees M, Harlow P, Hind K, Duckworth L, Ispoglou T. Αcute effects of essential amino acid gel-based and whey protein supplements on appetite and energy intake in older women. Appl Physiol Nutr Metab 2019; 44:1141-1149. [DOI: 10.1139/apnm-2018-0650] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Deficiencies in protein and energy intakes are partly responsible for age-related sarcopenia. We investigated the effects of supplements matched in essential amino acid (EAA) content (7.5 g) on energy intake and appetite. Ten women aged 69.2 ± 2.7 years completed 3 trials in a randomised, crossover design. Composite appetite scores, peptide-YY (PYY), and insulin responses to a 200-mL whey protein (WP) isolate (275 kJ), a 50-mL EAA gel (GEL, 478 kJ), or nothing as the control (CON) condition were investigated over 1 h, followed by an ad libitum breakfast. Energy intake at breakfast (CON, 1957 ± 713; WP, 1413 ± 623; GEL, 1963 ± 611 kJ) was higher in CON and GEL than in WP (both P = 0.006). After accounting for supplement energy content, energy intake in GEL was higher than in CON (P = 0.0006) and WP (P = 0.0008). Time-averaged area under the curve for composite appetite scores (CON, 74 ± 20; WP, 50 ± 22; GEL, 60 ± 16 mm) was higher in CON than WP (P = 0.015). Time-averaged area under the curve for PYY (CON, 87 ± 13; WP, 119 ± 27; GEL, 97 ± 22 pg·mL−1) was higher in WP than CON (P = 0.009) and GEL (P = 0.012). In conclusion, supplementation with WP facilitated an increase in protein intake, whereas supplementation with GEL increases in both energy and protein intakes, when consumed before an ad libitum breakfast. Such findings highlight potential gel-based EAA supplementation intake for addressing age-related sarcopenia.
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Affiliation(s)
- Mathew Butterworth
- Carnegie School of Sport, Headingley Campus, Leeds Beckett University, Fairfax Hall, LS6 3QS, UK
| | - Matthew Lees
- Carnegie School of Sport, Headingley Campus, Leeds Beckett University, Fairfax Hall, LS6 3QS, UK
| | - Paul Harlow
- Carnegie School of Sport, Headingley Campus, Leeds Beckett University, Fairfax Hall, LS6 3QS, UK
| | - Karen Hind
- Department of Sport and Exercise Sciences, Durham University, 42 Old Elvet, Durham, DH1 3HN, UK
| | - Lauren Duckworth
- Carnegie School of Sport, Headingley Campus, Leeds Beckett University, Fairfax Hall, LS6 3QS, UK
| | - Theocharis Ispoglou
- Carnegie School of Sport, Headingley Campus, Leeds Beckett University, Fairfax Hall, LS6 3QS, UK
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