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Hano T, Ito M, Sato T, Sugaya T, Sato J, Jusup M, Iwasaki Y. Triple jeopardy: The combined effects of viral, chemical, and thermal stress on kuruma prawn (Penaeus japonicus) juveniles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 952:175934. [PMID: 39218101 DOI: 10.1016/j.scitotenv.2024.175934] [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: 05/24/2024] [Revised: 07/15/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Growing concerns have emerged over the combined effects of multiple stressors on ecosystems. Empirical evidence shows that the sensitivity of aquatic invertebrates to insecticides varies under thermally fluctuating conditions. Additionally, field surveys in estuarine areas of western Japan confirmed the presence of juvenile kuruma prawns (Penaeus japonicus) carrying the white spot syndrome virus (WSSV). Given the potential of co-exposure to multiple stressors, we performed a combined exposure experiment using a full-factorial design with three stressors: WSSV infection (presence or absence: initial 2 h exposure), fipronil (insecticide) exposure (0 or 0.1 μg/L: 14 d exposure), and temperature (20, 25, or 30 °C). We observed the highest mortality (75 %) in the WSSV + Fipronil treatment at 30 °C, with the associated specimens showing significant changes in the internal load of WSSV and concentrations of fipronil and its metabolite, fipronil sulfone. Severe perturbations of metabolites associated with increased energy expenditure and fatty acid utilization have been identified as potential factors underlying lethality in juvenile kuruma prawns. The results demonstrate that WSSV infection increases the susceptibility of thermally stressed juvenile kuruma prawns to fipronil. Therefore, further studies are required to determine the combined effects of multiple stressors in environmentally relevant scenarios on juvenile kuruma prawns as well as in estuarine ecosystems.
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Affiliation(s)
- Takeshi Hano
- Environmental Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5, Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan.
| | - Mana Ito
- Environmental Conservation Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-17-5, Maruishi, Hatsukaichi, Hiroshima 739-0452, Japan
| | - Taku Sato
- Production Engineering Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 1760 Momoshima, Onomichi, Hiroshima 722-0061, Japan
| | - Takuma Sugaya
- Production Engineering Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 1760 Momoshima, Onomichi, Hiroshima 722-0061, Japan
| | - Jun Sato
- Pathology Division, Fisheries Technology Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 422-1 Nakatsuhamaura, Minamiise, Mie 722-0061, Japan
| | - Marko Jusup
- Highly Migratory Resource Division, Fisheries Resources Institute, National Research and Development Agency, Japan Fisheries Research and Education Agency, 2-12-4, Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan
| | - Yuichi Iwasaki
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology, 16-1, Onogawa Tsukuba, Ibaraki 305-8569, Japan
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Duranti E, Villa C. From Brain to Muscle: The Role of Muscle Tissue in Neurodegenerative Disorders. BIOLOGY 2024; 13:719. [PMID: 39336146 PMCID: PMC11428675 DOI: 10.3390/biology13090719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 09/02/2024] [Accepted: 09/11/2024] [Indexed: 09/30/2024]
Abstract
Neurodegenerative diseases (NDs), like amyotrophic lateral sclerosis (ALS), Alzheimer's disease (AD), and Parkinson's disease (PD), primarily affect the central nervous system, leading to progressive neuronal loss and motor and cognitive dysfunction. However, recent studies have revealed that muscle tissue also plays a significant role in these diseases. ALS is characterized by severe muscle wasting as a result of motor neuron degeneration, as well as alterations in gene expression, protein aggregation, and oxidative stress. Muscle atrophy and mitochondrial dysfunction are also observed in AD, which may exacerbate cognitive decline due to systemic metabolic dysregulation. PD patients exhibit muscle fiber atrophy, altered muscle composition, and α-synuclein aggregation within muscle cells, contributing to motor symptoms and disease progression. Systemic inflammation and impaired protein degradation pathways are common among these disorders, highlighting muscle tissue as a key player in disease progression. Understanding these muscle-related changes offers potential therapeutic avenues, such as targeting mitochondrial function, reducing inflammation, and promoting muscle regeneration with exercise and pharmacological interventions. This review emphasizes the importance of considering an integrative approach to neurodegenerative disease research, considering both central and peripheral pathological mechanisms, in order to develop more effective treatments and improve patient outcomes.
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Affiliation(s)
| | - Chiara Villa
- School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy;
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Kurapkienė A, Vinauskienė R, Jasutienė I, Damulevičienė G, Knašienė J, Lesauskaitė V, Sulmont-Rossé C, Eisinaitė V, Leskauskaitė D. One-bite-sized 3D printed finger foods, oriented to malnutrition, sarcopenia and frailty prevention in the older people. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:6289-6297. [PMID: 38488316 DOI: 10.1002/jsfa.13463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 01/24/2024] [Accepted: 03/15/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND In this study, innovative chocolate, citrus and mixture flavoured tofu-based nutritionally customised, dysphagia-oriented, comfortably consumed, appetising, one-bite-sized finger foods, oriented to malnutrition, sarcopenia and frailty prevention in older people were created by using 3D printing technology. Developed products were characterised by evaluating chemical composition and physical properties and performing sensory evaluation among geriatric clinic residents (≥60 years). RESULTS The dietary composition of the developed foods was: 19-21 g (100 g)-1 protein, 6-8 g (100 g)-1 fibre, 8-9 g (100 g)-1 fat, 11 mg (100 g)-1 iron, 14 mg (100 g)-1 zinc, 70 μg (100 g)-1 selenium. Foods were also enriched with branched-chain amino acids, such as leucine, isoleucine and valine. All formulated foods were classified as level 6 by International Dysphagia Diet Standardisation Initiative classification. Chocolate-flavoured food was much harder (4914 g) with lower adhesiveness value (-33.6 g s), compared to the citrus- or mixture-flavoured foods. Older people evaluated all finger foods as very easy handled by hand, soft, easy to swallow, having a moderate flavour intensity and a weak afterfeel. Despite the fact that the chocolate food was evaluated as having the highest hardness and gumminess values by the instrumental method, this difference was not noticeable to the evaluators. However 7% of the participants said that 3D printed foods were sticky to dentures. CONCLUSION The results suggest that it is possible to create nutrient-dense comfortably consumed 3D printed foods, oriented to malnutrition, sarcopenia and frailty prevention in older people. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Aušrinė Kurapkienė
- Department of Food Science and Technology, Kaunas University of Technology, Kaunas, Lithuania
| | - Rimantė Vinauskienė
- Department of Food Science and Technology, Kaunas University of Technology, Kaunas, Lithuania
| | - Ina Jasutienė
- Department of Food Science and Technology, Kaunas University of Technology, Kaunas, Lithuania
| | - Gytė Damulevičienė
- Clinical Department of Geriatrics, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Jurgita Knašienė
- Clinical Department of Geriatrics, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vita Lesauskaitė
- Clinical Department of Geriatrics, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Claire Sulmont-Rossé
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne, Dijon, France
| | - Viktorija Eisinaitė
- Department of Food Science and Technology, Kaunas University of Technology, Kaunas, Lithuania
| | - Daiva Leskauskaitė
- Department of Food Science and Technology, Kaunas University of Technology, Kaunas, Lithuania
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Fernicola J, Vyavahare S, Gupta SK, Kalwaghe A, Kosmac K, Davis A, Nicholson M, Isales CM, Shinde R, Fulzele S. The Role of Branched Chain Ketoacid Dehydrogenase Kinase (BCKDK) in Skeletal Muscle Biology and Pathogenesis. Int J Mol Sci 2024; 25:7601. [PMID: 39062842 PMCID: PMC11277350 DOI: 10.3390/ijms25147601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/18/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
Muscle wasting can be caused by nutrition deficiency and inefficient metabolism of amino acids, including Branched Chain Amino Acids (BCAAs). Branched Chain Amino Acids are a major contributor to the metabolic needs of healthy muscle and account for over a tenth of lean muscle mass. Branched chain alpha-ketoacid dehydrogenase (BCKD) is the rate limiting enzyme of BCAA metabolism. Inhibition of BCKD is achieved through a reversible phosphorylation event by Branched Chain a-ketoacid dehydrogenase kinase (BCKDK). Our study set out to determine the importance of BCKDK in the maintenance of skeletal muscle. We used the Gene Expression Omnibus Database to understand the role of BCKDK in skeletal muscle pathogenesis, including aging, muscular disease, and interrupted muscle metabolism. We found BCKDK expression levels were consistently decreased in pathologic conditions. These results were most consistent when exploring muscular disease followed by aging. Based on our findings, we hypothesize that decreased BCKDK expression alters BCAA catabolism and impacts loss of normal muscle integrity and function. Further research could offer valuable insights into potential therapeutic strategies for addressing muscle-related disorders.
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Affiliation(s)
- Joshua Fernicola
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Sagar Vyavahare
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Sonu Kumar Gupta
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Aditya Kalwaghe
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Kate Kosmac
- Department of Physical Therapy, Augusta University, Augusta, GA 30912, USA
| | - Adam Davis
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Matthew Nicholson
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
| | - Carlos M Isales
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
- Center for Healthy Aging, Augusta University, Augusta, GA 30912, USA
| | - Rahul Shinde
- Immunology, Microenvironment and Metastasis Program, The Wistar Institute Cancer Center, Philadelphia, PA 19104, USA
| | - Sadanand Fulzele
- Department of Medicine, Division of Endocrinology, Augusta University, Augusta, GA 30912, USA
- Center for Healthy Aging, Augusta University, Augusta, GA 30912, USA
- Department of Cell Biology and Anatomy, Augusta University, Augusta, GA 30912, USA
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Salem A, Ben Maaoui K, Jahrami H, AlMarzooqi MA, Boukhris O, Messai B, Clark CCT, Glenn JM, Ghazzaoui HA, Bragazzi NL, Ammar A, Trabelsi K, Chtourou H. Attenuating Muscle Damage Biomarkers and Muscle Soreness After an Exercise-Induced Muscle Damage with Branched-Chain Amino Acid (BCAA) Supplementation: A Systematic Review and Meta-analysis with Meta-regression. SPORTS MEDICINE - OPEN 2024; 10:42. [PMID: 38625669 PMCID: PMC11021390 DOI: 10.1186/s40798-024-00686-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 02/16/2024] [Indexed: 04/17/2024]
Abstract
BACKGROUND Branched-chain amino acid (BCAA) supplementation is one of the most popular strategies used by the general population and athletes to reduce muscle soreness and accelerate the recovery process of muscle damage biomarkers after an intense exercise or training session. OBJECTIVES This systematic review and meta-analysis investigated the effects of BCAA supplementation on muscle damage biomarkers and muscle soreness after exercise-induced muscle damage (EIMD). METHODS The systematic literature search for randomized controlled trials was conducted using seven databases, up to September 13th, 2022. The eligibility criteria for selecting studies were as follows: studies performed on healthy active participants, using BCAA at least once, controlled with a placebo or control group, performing resistance or endurance exercises, and followed up at least once post-EIMD. The methodological quality of the studies was assessed using the "SIGN RCT checklist". Random-effects meta-analyses were processed to compute the standardized mean difference (Hedges' g). Meta-regression analyses were completed with daily and total dosage and supplementation as continuous moderator variables. RESULTS Of the 18 studies included in this meta-analysis, 13 were of high quality and five were of acceptable quality. Our results revealed BCAA supplementation elicits a significant effect on reducing creatine kinase (CK) levels immediately (g = - 0.44; p = 0.006) and 72 h (g = - 0.99; p = 0.002), but not 24 h, 48 h, and 96 h post-EIMD. Additionally, a significant effect on delayed onset of muscle soreness (DOMS) was identified at 24 h (g = - 1.34; p < 0.001), 48 h (g = - 1.75; p < 0.001), 72 h (g = - 1.82; p < 0.001), and 96 h (g = - 0.82; p = 0.008), but not immediately post-EIMD. No significant effect was found on lactate dehydrogenase (LDH) levels at any time point. Meta-regression indicated higher daily and total dosages of BCAA, and longer supplementation periods were related to the largest beneficial effects on CK (total dosage and supplementation period) at 48 h, and on DOMS at 24 h (only daily dosage). CONCLUSION The overall effects of BCAA supplementation could be considered useful for lowering CK and DOMS after EIMD, but not LDH. The longer supplementation period prior to the EIMD could be more effective for CK and DOMS reduction.
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Affiliation(s)
- Atef Salem
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia.
- Physical Activity, Sport, and Health, UR18JS01, National Observatory of Sport, 1003, Tunis, Tunisia.
- Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, Mainz, Germany.
| | - Khouloud Ben Maaoui
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
| | - Haithem Jahrami
- Ministry of Health, Manama, 410, Bahrain
- Department of Psychiatry, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, 323, Bahrain
| | | | - Omar Boukhris
- Sport and Exercise Science, School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, 3086, Australia
| | - Balsam Messai
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
- Physical Activity, Sport, and Health, UR18JS01, National Observatory of Sport, 1003, Tunis, Tunisia
| | - Cain C T Clark
- Centre for Intelligent Healthcare, Coventry University, Coventry, CV1 5FB, UK
| | - Jordan M Glenn
- Department of Health, Exercise Science Research Center Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Hadeel A Ghazzaoui
- Department Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, 11942, Jordan
| | - Nicola Luigi Bragazzi
- Laboratory for Industrial and Applied Mathematics (LIAM), Department of Mathematics and Statistics, York University, Toronto, ON, M3J 1P3, Canada
| | - Achraf Ammar
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
- Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Khaled Trabelsi
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
- Research Laboratory: Education, Motricity, Sport and Health, EM2S, LR19JS01, University of Sfax, 3000, Sfax, Tunisia
| | - Hamdi Chtourou
- Higher Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
- Physical Activity, Sport, and Health, UR18JS01, National Observatory of Sport, 1003, Tunis, Tunisia
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Robberechts R, Poffé C, Ampe N, Bogaerts S, Hespel P. Partly Substituting Whey for Collagen Peptide Supplementation Improves Neither Indices of Muscle Damage Nor Recovery of Functional Capacity During Eccentric Exercise Training in Fit Males. Int J Sport Nutr Exerc Metab 2024; 34:69-78. [PMID: 37922892 DOI: 10.1123/ijsnem.2023-0070] [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: 03/27/2023] [Revised: 08/31/2023] [Accepted: 09/18/2023] [Indexed: 11/07/2023]
Abstract
Previous studies showed that collagen peptide supplementation along with resistance exercise enhance muscular recovery and function. Yet, the efficacy of collagen peptide supplementation in addition to standard nutritional practices in athletes remains unclear. Therefore, the objective of the study was to compare the effects of combined collagen peptide (20 g) and whey protein (25 g) supplementation with a similar daily protein dose (45 g) of whey protein alone on indices of muscle damage and recovery of muscular performance during eccentric exercise training. Young fit males participated in a 3-week training period involving unilateral eccentric exercises for the knee extensors. According to a double-blind, randomized, parallel-group design, before and after training, they received either whey protein (n = 11) or whey protein + collagen peptides (n = 11). Forty-eight hours after the first training session, maximal voluntary isometric and dynamic contraction of the knee extensors were transiently impaired by ∼10% (Ptime < .001) in whey protein and whey protein + collagen peptides, while creatine kinase levels were doubled in both groups (Ptime < .01). Furthermore, the training intervention improved countermovement jump performance and maximal voluntary dynamic contraction by respectively 8% and 10% (Ptime < .01) and increased serum procollagen type 1N-terminal peptide concentration by 10% (Ptime < .01). However, no differences were found for any of the outcomes between whey and whey protein + collagen peptides. In conclusion, substituting a portion of whey protein for collagen peptide, within a similar total protein dose, improved neither indices of eccentric muscle damage nor functional outcomes during eccentric training.
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Affiliation(s)
- Ruben Robberechts
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Chiel Poffé
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Noémie Ampe
- Department of Physical and Rehabilitation Medicine, University Hospitals Leuven, Leuven, Belgium
| | - Stijn Bogaerts
- Department of Physical and Rehabilitation Medicine, University Hospitals Leuven, Leuven, Belgium
- Department of Development & Regeneration, KU Leuven, Leuven, Belgium
| | - Peter Hespel
- Department of Movement Sciences, KU Leuven, Leuven, Belgium
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Siegel L, Rooney J, Marjoram L, Mason L, Bowles E, van Keulen TV, Helander C, Rayo V, Hong MY, Liu C, Hooshmand S, Kern M, Witard OC. Chronic almond nut snacking alleviates perceived muscle soreness following downhill running but does not improve indices of cardiometabolic health in mildly overweight, middle-aged, adults. Front Nutr 2024; 10:1298868. [PMID: 38260074 PMCID: PMC10800814 DOI: 10.3389/fnut.2023.1298868] [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: 09/22/2023] [Accepted: 12/05/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction As a popular food snack rich in protein, fiber, unsaturated fatty acids, antioxidants and phytonutrients, almond nut consumption is widely associated with improvements in cardiometabolic health. However, limited data exists regarding the role of almond consumption in improving exercise recovery. Accordingly, we aimed to investigate the impact of chronic almond snacking on muscle damage and cardiometabolic health outcomes during acute eccentric exercise recovery in mildly overweight, middle-aged, adults. Methods Using a randomized cross-over design, 25 mildly overweight (BMI: 25.8 ± 3.6 kg/m2), middle-aged (35.1 ± 4.7 y) males (n = 11) and females (n = 14) performed a 30-min downhill treadmill run after 8-weeks of consuming either 57 g/day of whole almonds (ALMOND) or an isocaloric amount (86 g/day) of unsalted pretzels (CONTROL). Muscle soreness (visual analogue scale), muscle function (vertical jump and maximal isokinetic torque) and blood markers of muscle damage (creatine kinase (CK) concentration) and inflammation (c-reactive protein concentration) were measured pre and post (24, 48, and 72 h) exercise. Blood biomarkers of cardiometabolic health (total cholesterol, triglycerides, HDL cholesterol, and LDL cholesterol), body composition and psycho-social assessments of mood (POMS-2 inventory), appetite and well-being were measured pre and post intervention. Results Downhill running successfully elicited muscle damage, as evidenced by a significant increase in plasma CK concentration, increased perception of muscle soreness, and impaired vertical jump performance (all p < 0.05) during acute recovery. No effect of trial order was observed for any outcome measurement. However, expressed as AUC over the cumulative 72 h recovery period, muscle soreness measured during a physical task (vertical jump) was reduced by ~24% in ALMOND vs. CONTROL (p < 0.05) and translated to an improved maintenance of vertical jump performance (p < 0.05). However, ALMOND did not ameliorate the CK response to exercise or isokinetic torque during leg extension and leg flexion (p > 0.05). No pre-post intervention changes in assessments of cardiometabolic health, body composition, mood state or appetite were observed in ALMOND or CONTROL (all p > 0.05). Conclusion Chronic almond supplementation alleviates task-specific perceived feelings of muscle soreness during acute recovery from muscle damaging exercise, resulting in the better maintenance of muscle functional capacity. These data suggest that almonds represent a functional food snack to improve exercise tolerance in mildly overweight, middle-aged adults.
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Affiliation(s)
- Leah Siegel
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Jessica Rooney
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Lindsey Marjoram
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Lauren Mason
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Elena Bowles
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Thomas Valente van Keulen
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Carina Helander
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
| | - Vernon Rayo
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, United States
| | - Mee Young Hong
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, United States
| | - Changqi Liu
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, United States
| | - Shirin Hooshmand
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, United States
| | - Mark Kern
- School of Exercise and Nutritional Sciences, San Diego State University, San Diego, CA, United States
| | - Oliver C. Witard
- Centre for Human & Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
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8
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Nishida Y, Tokunaga M, Kameyama A, Miyamoto M, Yoshifuku S, Sasahara K, Otagiri N, Tauchi K. A prospective clinical study evaluating short-term changes in body composition and quality of life after gastrectomy in elderly patients receiving postoperative exercise and nutritional therapies. BMC Surg 2023; 23:181. [PMID: 37386398 DOI: 10.1186/s12893-023-02086-4] [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: 01/10/2023] [Accepted: 06/20/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Muscle mass loss after gastrectomy is associated with a negative impact on quality of life (QOL) and long-term prognosis following gastric cancer treatment, especially in elderly patients. We conducted a prospective study to examine short-term changes in body composition and QOL after gastrectomy in elderly patients with gastric cancer who received exercise and nutritional therapies. METHODS Patients over aged 65 years of age who underwent gastrectomies for gastric cancer were enrolled in our study. Patients received exercise and nutritional therapies with branched-chain amino acid (BCAA)-rich supplements during 1 month after surgery. Body composition was evaluated using InBody S10 before surgery, and at 1 week and 1 month postoperatively. Other variables including QOL status (EQ-5D-5 L), serum albumin level, hand grip strength, and gait speed were evaluated at the same time. RESULTS Eighteen patients were analyzed. The mean loss of skeletal muscle mass index (SMI) was 4.6% (1 week) and 2.1% (1 month) compared to the preoperative period. QOL scores showed almost the same degree of recovery at 1 month after gastrectomy as preoperative scores. Serum albumin levels, hand grip strength, and gait speed decreased at 1 week and then increased at 1 month after surgery, similar to the changes seen in SMI. CONCLUSIONS Multidisciplinary approaches play key role in the surgical treatment of elderly patients. Postoperative exercise and nutritional therapies with BCAA-rich supplements may benefit elderly patients after gastrectomy by reducing loss of SMI and decreases in QOL. TRIAL REGISTRATION UMIN Clinical Trials Registry; UMIN000034374 (registration date: 10/10/2018).
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Affiliation(s)
- Yasunori Nishida
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan.
| | - Mai Tokunaga
- Rehabilitation Center, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Akira Kameyama
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Masatake Miyamoto
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Seijiro Yoshifuku
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Kotaro Sasahara
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Noriaki Otagiri
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
| | - Katsunori Tauchi
- Department of Surgery, Aizawa Hospital, 2-5-1 Honjou Matsumoto, Nagano, 390-8510, Japan
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9
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Liu J, Zhu F, Yang J, Wang Y, Ma X, Lou Y, Li Y. Effects of high-voltage electrostatic field (HVEF) on frozen shrimp (Solenocera melantho) based on UPLC-MS untargeted metabolism. Food Chem 2023; 411:135499. [PMID: 36696717 DOI: 10.1016/j.foodchem.2023.135499] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 01/11/2023] [Accepted: 01/14/2023] [Indexed: 01/19/2023]
Abstract
Shrimp meat is prone to autolysis and decay due to the abundance of endogenous enzymes and contamination from microorganisms. HVEF freezing can slow the spoilage of shrimp, producing small and uniform ice crystals, resulting in less damage to muscle tissue. In this study, HVEF technique was used to freeze the shrimp (Solenocera melantho), and the UPLC-MS metabolic technique was used to investigate the metabolites of frozen shrimp meat. Compared with the control group, 367 differential metabolites were identified in the HVEF group. Mapping them to the KEGG database, there were 108 with KEGG ID. Purine metabolism and pyrimidine metabolism were the most enriched pathways. In addition, phosphatidylcholines (PCs), inosine (HxR), and l-valine were identified as potential biomarkers associated with lipid, nucleotide, and organic acid metabolism, respectively. Overall, HVEF can improve freezing quality of shrimp meat by slowing down the metabolism of substances in the muscle of S. melantho.
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Affiliation(s)
- Jiao Liu
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Feixia Zhu
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Jing Yang
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Yue Wang
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Xiaohan Ma
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Yongjiang Lou
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China
| | - Yongyong Li
- Key Laboratory of Food Deep Processing Technology of Animal Protein of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China; Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315800, PR China.
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10
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Mendelian Randomization Analysis Provides Insights into the Pathogenesis of Serum Levels of Branched-Chain Amino Acids in Cardiovascular Disease. Metabolites 2023; 13:metabo13030403. [PMID: 36984843 PMCID: PMC10059809 DOI: 10.3390/metabo13030403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023] Open
Abstract
Several observational studies have indicated an association between high serum levels of branched-chain amino acids (BCAAs) and an increased risk of cardiovascular disease (CVD). To assess whether theses associations reflect causality, we carried out two-sample Mendelian randomization (MR). Single-nucleotide polymorphisms (SNPs) associated with BCAA were evaluated in 10 studies, including 24,925 participants. The association between SNPs and coronary artery disease (CAD) were assessed using summary estimates from the CARDIoGRAMplusC4D consortium. Further MR analysis of BCAAs and seven CVD outcomes was performed. The BCAA-raising gene functions were also analyzed. MR analyses revealed a risk-increasing causal relationship between serum BCAA concentrations and CAD (odds ratio 1.08; 95% confidence interval (CI) 1.02–1.14), which was partly mediated by blood pressure and type 2 diabetes. BCAA also demonstrated a causal relationship with ischemic CVD events induced by plaque rupture and thrombosis (false discovery rate <0.05). Two BCAA-raising genes (MRL33 and CBLN1) were preferentially associated with myocardial infarction risk in the presence of atherosclerosis (p < 0.003). Functional analysis of the BCAA-raising genes suggested the causal involvement of two pathophysiological pathways, including glucose metabolism (PPM1K and TRMT61A) related to plaque progression, and the newly discovered neuroendocrine disorders regulating blood pressure (MRPL33, CBLN1, and C2orf16) related to plaque rupture and thrombosis. This comprehensive MR analysis provided insights into the potential causal mechanisms linking BCAA with CVD risk and suggested targeting neuroendocrine disorders as a potential strategy for the prevention of CVD. These results warrant further studies to elucidate the mechanisms underlying these reported causal associations.
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11
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Zhou M, Li R, Chen Y, Gao Y, Wei Y, Lu M, Xi J, Lin Z, Zheng X, Jiang H. Impact of resistance exercise rehabilitation and whey protein supplementation in elderly patients with heart failure with preserved ejection fraction with sarcopenia: a study protocol for a randomised controlled trial. BMJ Open 2022; 12:e066331. [PMID: 36600348 PMCID: PMC9730387 DOI: 10.1136/bmjopen-2022-066331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Heart failure with preserved ejection fraction (HFpEF) affects more than half of the patients with heart failure. HFpEF and sarcopenia can interact with each other and contribute to reduced physiological function and increased mortality in elderly patients. Resistance training (RT) or resistance exercise rehabilitation (RER) may have benefits for elderly HFpEF patients with sarcopenia. Whey protein supplementation (WPS) may increase the effects of exercise on strength and muscle mass, in addition to promoting heart function and quality of life (QoL). However, studies are needed to evaluate effects of RER and WPS in patients with HFpEF with sarcopenia. METHODS AND ANALYSIS This is a prospective, randomised, controlled clinical trial in which patients with HFpEF with sarcopenia will be randomly allocated to three groups, control, RT and RT+WP. Participants in all groups will receive basic intervention including standard medicine treatment, home-based aerobic exercise and basic nutritional intervention. The RT group will undergo resistance exercise programmes, and the RT+WP group will receive daily WPS apart from resistance exercise. The study variables will be evaluated at baseline and 12 weeks. Primary outcome measure is the change of 6 min walking distance. Secondary outcomes include parameters of muscle status, cardiac function, nutritional status, QoL and major adverse cardiovascular events. The primary efficacy analysis will follow the intention-to-treat principle. ETHICS AND DISSEMINATION This study was approved by Ethics Committee of China-Japan Friendship Hospital for Clinical Research (No. 2022-KY-003). The results of this study will be disseminated via peer-reviewed publications and presentations at conferences. TRIAL REGISTRATION NUMBER ChiCTR2200061069.
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Affiliation(s)
- Mo Zhou
- Department of Health Care, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Rui Li
- Department of Health Care, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Yi Chen
- Department of Health Care, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Yan Gao
- Department of Health Care, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Yuhao Wei
- China-Japan Friendship School of Clinical Medicine, Peking University, Beijing, Beijing, China
- Department of Integrative Cardiology, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Meishan Lu
- Department of Integrative Cardiology, China-Japan Friendship Hospital, Beijing, Beijing, China
- Beijing University of Chinese Medicine, Beijing, Beijing, China
| | - Jieren Xi
- Department of Integrative Cardiology, China-Japan Friendship Hospital, Beijing, Beijing, China
- Beijing University of Chinese Medicine, Beijing, Beijing, China
| | - Zhizhou Lin
- Department of Integrative Cardiology, China-Japan Friendship Hospital, Beijing, Beijing, China
- Beijing University of Chinese Medicine, Beijing, Beijing, China
| | - Xiaoyun Zheng
- Department of Health Care, China-Japan Friendship Hospital, Beijing, Beijing, China
| | - Hong Jiang
- Department of Integrative Cardiology, China-Japan Friendship Hospital, Beijing, Beijing, China
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12
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The circadian rhythm regulates branched-chain amino acids metabolism in fast muscle of Chinese perch ( Siniperca chuatsi) during short-term fasting by Clock-KLF15-Bcat2 pathway. Br J Nutr 2022:1-12. [PMID: 36373572 DOI: 10.1017/s0007114522003646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
As an internal time-keeping mechanism, circadian rhythm plays crucial role in maintaining homoeostasis when in response to nutrition change; meanwhile, branched-chain amino acids (BCAA) in skeletal muscle play an important role in preserving energy homoeostasis during fasting. Previous results from our laboratory suggested that fasting can influence peripheral circadian rhythm and BCAA metabolism in fish, but the relationship between circadian rhythm and BCAA metabolism, and whether circadian rhythm regulates BCAA metabolism to maintain physiological homoeostasis during fasting remains unclear. This study shows that the expression of fifteen core clock genes as well as KLF15 and Bcat2 is highly responsive to short-term fasting in fast muscle of Siniperca chuatsi, and the correlation coefficient between Clock and KLF15 expression is enhanced after fasting treatment. Furthermore, we demonstrate that the transcriptional expression of KLF15 is regulated by Clock, and the transcriptional expression of Bcat2 is regulated by KLF15 by using dual-luciferase reporter gene assay and Vivo-morpholinos-mediated gene knockdown technique. Therefore, fasting imposes a dynamic coordination of transcription between the circadian rhythm and BCAA metabolic pathways. The findings highlight the interaction between circadian rhythm and BCAA metabolism and suggest that fasting induces a switch in KLF15 expression through affecting the rhythmic expression of Clock, and then KLF15 promotes the transcription of Bcat2 to enhance the metabolism of BCAA, thus maintaining energy homoeostasis and providing energy for skeletal muscle as well as other tissues.
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13
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Xu F, Zeng J, Liu X, Lai J, Xu J. Exercise-Induced Muscle Damage and Protein Intake: A Bibliometric and Visual Analysis. Nutrients 2022; 14:nu14204288. [PMID: 36296973 PMCID: PMC9610071 DOI: 10.3390/nu14204288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/23/2022] [Accepted: 10/10/2022] [Indexed: 01/24/2023] Open
Abstract
Numerous studies have covered exercise-induced muscle damage (EIMD) topics, ranging from nutritional strategies to recovery methods, but few attempts have adequately explored and analyzed large volumes of scientific output. The purpose of this study was to assess the scientific output and research activity regarding EIMD and protein intake by conducting a bibliometric and visual analysis. Relevant publications from 1975-2022 were retrieved from the Web of Science Core Collection database. Quantitative and qualitative variables were collected, including the number of publications and citations, H-indexes, journals of citation reports, co-authorship, co-citation, and the co-occurrence of keywords. There were 351 total publications, with the number of annual publications steadily increasing. The United States has the highest total number of publications (26.21% of total publications, centrality 0.44). Institutional cooperation is mostly geographically limited, with few transnational cooperation links. EIMD and protein intake research is concentrated in high-quality journals in the disciplines of Sport Science, Physiology, Nutrition, and Biochemistry & Molecular Biology. The top ten journals in the number of publications are mostly high-quality printed journals, and the top ten journals in centrality have an average impact factor of 13.845. The findings of the co-citation clusters and major keyword co-occurrence reveal that the most discussed research topics are "exercise mode", "nutritional strategies", "beneficial outcomes", and "proposed mechanisms". Finally, we identified the following research frontiers and research directions: developing a comprehensive understanding of new exercise or training models, nutritional strategies, and recovery techniques to alleviate EIMD symptoms and accelerate recovery; applying the concept of hormesis in EIMD to induce muscle hypertrophy; and investigating the underlying mechanisms of muscle fiber and membrane damage.
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Affiliation(s)
- Fei Xu
- School of Physical Education, Hangzhou Normal University, Hangzhou 311121, China
- Correspondence: (F.X.); (J.X.)
| | - Jinshu Zeng
- School of Physical Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Xuan Liu
- Division of Library and Information Services, Hangzhou Normal University, Hangzhou 311121, China
| | - Jiaming Lai
- San Diego Jewish Academy, San Diego, CA 92130, USA
| | - Jing Xu
- School of Physical Education, Hangzhou Normal University, Hangzhou 311121, China
- Correspondence: (F.X.); (J.X.)
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14
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Edible insect Locusta migratoria shows intestinal protein digestibility and improves plasma and hepatic lipid metabolism in male rats. Food Chem 2022; 396:133701. [PMID: 35882087 DOI: 10.1016/j.foodchem.2022.133701] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/16/2022] [Accepted: 07/12/2022] [Indexed: 11/21/2022]
Abstract
Although edible insect migratory locusts are considered sustainable food resources with proteins and n-3 lipids, their physiological effects on lipid metabolism are not clarified. Here, we clarified the amino acid (AA) value of the edible migratory locust powder (MLP), protein digestibility, and dietary effects of MLP on growth and lipid metabolism in rats. The AA score was 63, which was low score due to the limiting AA (Trp). MLP protein digestibility was resistant to gut pepsin but digestible to intestinal trypsin and chymotrypsin. Dietary MLP represented favorable growth and enhanced intestinal condition and lipid metabolism in rats, particularly, low-density lipoprotein metabolism and arteriosclerosis-related fatty acid profiles. Liver triglyceride accumulation and fatty acid desaturation indices were increased by activating lipids uptake into the liver, while lipogenic protein expression and enzyme activities and liver function indices were reduced by MLP. Conclusively, intestinal digestible MLP is a nutraceutical for the prevention of dyslipidemia.
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15
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Lee MC, Hsu YJ, Wu FY, Huang CC, Li HY, Chen WC. Isolated Soy Protein Supplementation Combined With Resistance Training Improves Muscle Strength, Mass, and Physical Performance of Aging Female Mice. Front Physiol 2022; 13:893352. [PMID: 35721547 PMCID: PMC9204525 DOI: 10.3389/fphys.2022.893352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/25/2022] [Indexed: 12/02/2022] Open
Abstract
Background/Purpose: In recent years, the aging population has gradually increased, and the aging process is accompanied by health-associated problems, such as loss of muscle mass and weakness. Therefore, it is important to explore alternative strategies for improving the health status and physical fitness of the aged population. In this study, we investigated the effect of soy protein supplementation combined with resistance training on changes in the muscle mass, muscle strength, and functional activity performance of aging mice. Methods: Female Institute of Cancer Research (ICR) mice were divided into four groups (n = 8 per group): sedentary control (SC), isolated soy protein (ISP) supplementation, resistance training (RT), and a combination of ISP and RT (ISP + RT). The mice in designated groups received oral ISP supplementation (0.123 g/kg/day), RT (5 days/week for a period of 4 weeks), or a combination of both ISP plus RT for 4 weeks. Afterward, we assessed muscle strength, endurance, and anaerobic endurance performance and analyzed blood biochemical and pathological tissue sections to investigate whether there were adverse effects or not in mice. Results: ISP supplementation effectively improved the muscle mass, muscle endurance, and endurance performance of aging female mice. The RT group not only showed similar results with ISP but also increased muscle strength and glycogen content. Nevertheless, the combination of ISP supplementation and RT had greater beneficial effects on muscle strength, physical performance, and glycogen levels (p < 0.05). In addition, the combination of ISP supplementation and RT had significantly increased type II muscle percentage and cross-sectional area (p < 0.05). Conclusion: Although ISP or RT alone improved muscle mass and performance, the combination of ISP with RT showed greater beneficial effects in aging mice. Our findings suggest that regular exercise along with protein supplementation could be an effective strategy to improve overall health and physical fitness among the elderly.
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Affiliation(s)
- Mon-Chien Lee
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan, Taiwan
| | - Yi-Ju Hsu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan, Taiwan
| | - Fang-Yu Wu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan, Taiwan
| | - Chi-Chang Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan, Taiwan
| | - Hsueh-Yu Li
- Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou-Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Wen-Chyuan Chen
- Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou-Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Center for General Education, Chang Gung University of Science and Technology, Taoyuan, Taiwan
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16
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Hanyuda A, Rosner BA, Wiggs JL, Willett WC, Tsubota K, Pasquale LR, Kang JH. Prospective study of dietary intake of branched-chain amino acids and the risk of primary open-angle glaucoma. Acta Ophthalmol 2022; 100:e760-e769. [PMID: 34240564 DOI: 10.1111/aos.14971] [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: 09/23/2020] [Accepted: 06/17/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE Metabolomic and preclinical studies suggest that branched-chain amino acids (BCAA) may be inversely associated with neurodegenerative diseases including glaucoma. We therefore assessed the long-term association between dietary intake of BCAA and incident primary open-angle glaucoma (POAG) and POAG subtypes. METHODS We followed biennially participants of the Nurses' Health Study (NHS; 65 531 women: 1984-2016), Health Professionals Follow-up Study (42 254 men: 1986-2016) and NHSII (66 904 women; 1991-2017). Eligible participants were 40+ years old and reported eye examinations. Repeated validated food frequency questionnaires were used to assess dietary intake of BCAA. Incident cases of POAG and POAG subtypes defined by visual field (VF) loss and untreated intraocular pressure (IOP) were confirmed by medical record review. Multivariable-adjusted relative risks (MVRRs) and 95% confidence intervals (CIs) were estimated using Cox proportional hazards models. RESULTS We identified 1946 incident POAG cases. The pooled MVRRs of POAG for the highest quintile (Q5 = 17.1 g/day) versus lowest quintile (Q1 = 11.2 g/day) of total BCAA intake was 0.93 (95% CI, 0.73-1.19; ptrend = 0.45; pheterogeneity by sex = 0.24). For subtypes of POAG defined by IOP level or POAG with only peripheral VF loss, no associations were observed for men or women (ptrend ≥ 0.20); however, for the POAG subtype with early paracentral VF loss, there was a suggestion of an inverse association in women (MVRRQ5versusQ1 = 0.80 [95% CI, 0.57-1.12; ptrend = 0.12]) but not in men (MVRRQ5versusQ1 = 1.38 [95% CI, 0.81-2.34; ptrend = 0.28; pheterogeneity by sex = 0.06]). CONCLUSION Higher dietary intake of BCAA was not associated with POAG risk.
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Affiliation(s)
- Akiko Hanyuda
- Department of Nutrition Harvard T.H. Chan School of Public Health Boston Massachusetts USA
- Department of Ophthalmology Keio University School of Medicine Tokyo Japan
- Epidemiology and Prevention Group Center for Public Health Sciences National Cancer Center Tokyo Japan
| | - Bernard A. Rosner
- Department of Biostatistics Harvard T.H. Chan School of Public Health Boston Massachusetts USA
- Channing Division of Network Medicine Department of Medicine Brigham and Women’s Hospital Harvard Medical School Boston Massachusetts USA
| | - Janey L. Wiggs
- Department of Ophthalmology Harvard Medical School Massachusetts Eye and Ear Boston Massachusetts USA
| | - Walter C. Willett
- Department of Nutrition Harvard T.H. Chan School of Public Health Boston Massachusetts USA
- Channing Division of Network Medicine Department of Medicine Brigham and Women’s Hospital Harvard Medical School Boston Massachusetts USA
- Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA
| | - Kazuo Tsubota
- Department of Ophthalmology Keio University School of Medicine Tokyo Japan
| | - Louis R. Pasquale
- Channing Division of Network Medicine Department of Medicine Brigham and Women’s Hospital Harvard Medical School Boston Massachusetts USA
- Department of Ophthalmology Icahn School of Medicine at Mount Sinai New York New York USA
| | - Jae H. Kang
- Channing Division of Network Medicine Department of Medicine Brigham and Women’s Hospital Harvard Medical School Boston Massachusetts USA
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17
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Lu YH, Yang X, Ding HY, Tian CR, Gao CY. Nutritional profile and DNA damage protective activity of Ottelia acuminata, an endemic plant from southwestern China. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2057531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yue-Hong Lu
- School of Biological Science and Engineering, North Minzu University, Yinchuan PR China
- School of Public Health, Dali University, Dali, PR China
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, PR China
| | - Xi Yang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, PR China
| | - Hai-Yan Ding
- School of Public Health, Dali University, Dali, PR China
| | - Cheng-Rui Tian
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, PR China
| | - Chun-Yan Gao
- School of Biological Science and Engineering, North Minzu University, Yinchuan PR China
- School of Public Health, Dali University, Dali, PR China
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18
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Evaluating the Effects of Increased Protein Intake on Muscle Strength, Hypertrophy and Power Adaptations with Concurrent Training: A Narrative Review. Sports Med 2022; 52:441-461. [PMID: 34822138 DOI: 10.1007/s40279-021-01585-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/16/2021] [Indexed: 12/17/2022]
Abstract
Concurrent training incorporates dual exercise modalities, typically resistance and aerobic-based exercise, either in a single session or as part of a periodized training program, that can promote muscle strength, mass, power/force and aerobic capacity adaptations for the purposes of sports performance or general health/wellbeing. Despite multiple health and exercise performance-related benefits, diminished muscle hypertrophy, strength and power have been reported with concurrent training compared to resistance training in isolation. Dietary protein is well-established to facilitate skeletal muscle growth, repair and regeneration during recovery from exercise. The degree to which increased protein intake can amplify adaptation responses with resistance exercise, and to a lesser extent aerobic exercise, has been highly studied. In contrast, much less focus has been directed toward the capacity for protein to enhance anabolic and metabolic responses with divergent contractile stimuli inherent to concurrent training and potentially negate interference in muscle strength, power and hypertrophy. This review consolidates available literature investigating increased protein intake on rates of muscle protein synthesis, hypertrophy, strength and force/power adaptations following acute and chronic concurrent training. Acute concurrent exercise studies provide evidence for the significant stimulation of myofibrillar protein synthesis with protein compared to placebo ingestion. High protein intake can also augment increases in lean mass with chronic concurrent training, although these increases do not appear to translate into further improvements in strength adaptations. Similarly, the available evidence indicates protein intake twice the recommended intake and beyond does not rescue decrements in selective aspects of muscle force and power production with concurrent training.
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19
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Xu C, Huang XP, Guan JF, Chen ZM, Ma YC, Xie DZ, Ning LJ, Li YY. Effects of dietary leucine and valine levels on growth performance, glycolipid metabolism and immune response in Tilapia GIFT Oreochromis niloticus. FISH & SHELLFISH IMMUNOLOGY 2022; 121:395-403. [PMID: 35065275 DOI: 10.1016/j.fsi.2022.01.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/15/2022] [Accepted: 01/16/2022] [Indexed: 06/14/2023]
Abstract
An 8-week feeding trial was performed to evaluate the effects of dietary leucine (Leu) and valine (Val) levels on growth performance, glycolipid metabolism and immune response in Oreochromis niloticus. Fish (15.23 ± 0.05 g) were randomly fed four diets containing two Leu levels (1.2% and 2.3%) and two Val levels (0.7% and 1.4%) as a 2 × 2 experimental design (LL-LV, LL-HV, HL-LV and HL-HV). Compared with LL-LV group, the growth parameters (final weight, daily growth coefficient (DGC) and growth rate per metabolic body weight (GRMBW)), feed conversion rate (FCR), the activities of intestinal amylase, lipase, creatine kinase (CK) and Na+, K+-ATPase, liver NAD+/NADH ratio, as well as the expression of SIRT1, GK, PK, FBPase, PPARα, CPT IA, ACO and IL10 all increased significantly in the HL-LV group; however, in the high Val group, final weight, DGC, GRMBW, intestinal enzyme activities, as well as the expression of PEPCK, SREBP1, FAS, IL8 and IL10 of the HL-HV group were significantly lower than those of the LL-HV group, while the opposite was true for the remaining indicators. Significant interactions between dietary Leu and Val were observed in final weight, DGC, GRMBW, plasma IL1β and IL6 levels, intestinal amylase and CK activities, liver NAD+/NADH ratio, as well as the expression of SIRT1, PK, PEPCK, FBPase, SREBP1, FAS, PPARα, CPT IA, ACO, NF-κB1, IL1β, IL6 and IL10. The highest values of growth parameters, intestinal enzyme activities and expression of SIRT1, FBPase, PPARα, CPT IA and ACO were observed in the HL-LV group, while the opposite was true for the expression of SREBP1, FAS, PPARα, NF-κB1, IL1β and IL6. Overall, our findings indicated that dietary Leu and Val can effect interactively, and fish fed with diets containing 2.3% Leu with 0.7% Val had the best growth performance and hepatic health status of O. niloticus.
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Affiliation(s)
- Chao Xu
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Xiao-Ping Huang
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Jun-Feng Guan
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Ze-Min Chen
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Yong-Cai Ma
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Di-Zhi Xie
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Li-Jun Ning
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China
| | - Yuan-You Li
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou, 510642, China.
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20
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Li S, Huang B, Liu ML, Cui XT, Cao YF, Gao ZN. The Association Between Leucine and Diabetic Retinopathy in Different Genders: A Cross-Sectional Study in Chinese Patients With Type 2 Diabetes. Front Endocrinol (Lausanne) 2022; 13:806807. [PMID: 35321336 PMCID: PMC8936088 DOI: 10.3389/fendo.2022.806807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/09/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To explore the association between serum leucine (leu) and diabetic retinopathy (DR) in patients with type 2 diabetes (T2D) and then to analyze the influence of gender on the association. METHOD The electronic medical records of 1,149 T2D patients who met inclusion and exclusion criteria were retrieved from the Second Affiliated Hospital of Dalian Medical University and the First Affiliated Hospital of Jinzhou Medical University. Serum leu levels of all subjects were measured by liquid chromatography-mass spectrometry. Logistic regression was used to obtain the odds ratio (OR) and CI of leu-DR risk in multiple models. When using these models, restricted cubic spline (RCS) was used to test the potential non-linear relationship between multiple continuous independent variables, such as leu and DR (classification), and dependent variables. We also used the additive interaction method to evaluate the interaction effect between leu and gender on DR. RESULTS Leu was a protective factor of DR [0.78 (0.66, 0.92)]. When gender was divided into male and female, the above relationship was statistically significant only in men [0.73 (0.58, 0.94)]. Three indicators of additive interaction-RERI, AP, and S-suggested that there is no interaction between gender and leu on the risk of DR. CONCLUSIONS Male T2D patients with high leu levels may have a lower risk of DR.
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Affiliation(s)
- Shen Li
- Department of Endocrinology, Dalian Municipal Central Hospital, Dalian, China
| | - Bing Huang
- Department of Science, Dalian Runsheng Kangtai Medical Lab Co. Ltd., Dalian, China
| | - Ming-Li Liu
- Department of Science, Dalian Runsheng Kangtai Medical Lab Co. Ltd., Dalian, China
| | - Xue-Ting Cui
- Department of Science, Dalian Runsheng Kangtai Medical Lab Co. Ltd., Dalian, China
| | - Yun-Feng Cao
- Shanghai Institute for Biomedical and Pharmaceutical Technologies, NHC Key Laboratory of Reproduction Regulation, Shanghai Engineering Research Center of Reproductive Health Drug and Devices, Shanghai, China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
- *Correspondence: Zheng-Nan Gao, ; Yun-Feng Cao,
| | - Zheng-Nan Gao
- Department of Endocrinology, Dalian Municipal Central Hospital, Dalian, China
- *Correspondence: Zheng-Nan Gao, ; Yun-Feng Cao,
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21
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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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22
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Singh Tejavath A, Mathur A, Nathiya D, Singh P, Raj P, Suman S, Mundada PR, Atif S, Rai RR, Tomar BS. Impact of Branched Chain Amino Acid on Muscle Mass, Muscle Strength, Physical Performance, Combined Survival, and Maintenance of Liver Function Changes in Laboratory and Prognostic Markers on Sarcopenic Patients With Liver Cirrhosis (BCAAS Study): A Randomized Clinical Trial. Front Nutr 2021; 8:715795. [PMID: 34631765 PMCID: PMC8494250 DOI: 10.3389/fnut.2021.715795] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/11/2021] [Indexed: 01/10/2023] Open
Abstract
Background: This study aimed to investigate the long-term effects of branched-chain amino acids (BCAAs) supplementations on the parameters associated with improved prognosis in sarcopenic patients with liver cirrhosis (LC) and evaluate its impact on cirrhotic-related events. Methods: A 24-week, single-center, randomized, open-label, controlled, two cohort parallel-group intervention study was carried out by comparing the efficacy of BCAAs against lactoalbumin (L-ALB) on 106 sarcopenic patients with LC. The BCAA (intervention) group was treated with 7.2 g BCAA per dose, whereas the L-ALB group was treated with 6.3 g of L-ALB. The primary outcome was to assess the effect of BCAA on the parameters of sarcopenia, such as muscle mass, muscle strength, and physical performance. The secondary outcomes were to study the combined survival and maintenance of liver function changes in laboratory and prognostic markers over the duration of 6 months. Results: The treatment with BCAA leads to the significant improvement in sarcopenic parameters, such as muscle strength, muscle function, and muscle mass. The total cirrhotic-related complications and cumulative event-free survival occurred fewer in the BCAA group than in the L-ALB group. In addition, prognostic markers improved significantly in the study. Conclusion: The current study demonstrated that long-term BCAAs supplementation improved sarcopenia and prognostic markers in patients with advanced LC.
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Affiliation(s)
- Arun Singh Tejavath
- Department of Gastroenterology, National Institute of Medical Sciences, Nims University Rajasthan, Jaipur, India
| | - Amit Mathur
- Department of Gastroenterology, National Institute of Medical Sciences, Nims University Rajasthan, Jaipur, India
| | - Deepak Nathiya
- Institute of Pharmacy, Nims University Rajasthan, Jaipur, India
| | - Pratima Singh
- Institute of Pharmacy, Nims University Rajasthan, Jaipur, India
| | - Preeti Raj
- Institute of Pharmacy, Nims University Rajasthan, Jaipur, India
| | - Supriya Suman
- Institute of Pharmacy, Nims University Rajasthan, Jaipur, India
| | | | - Sheikh Atif
- Institute of Pharmacy, Nims University Rajasthan, Jaipur, India
| | - Ramesh Roop Rai
- Department of Gastroenterology, National Institute of Medical Sciences, Nims University Rajasthan, Jaipur, India
| | - Balvir Singh Tomar
- Department of Gastroenterology, National Institute of Medical Sciences, Nims University Rajasthan, Jaipur, India.,Institute of Pharmacy, Nims University Rajasthan, Jaipur, India.,Institute of Pediatric Gastroenterology and Hepatology, Nims University Rajasthan, Jaipur, India
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23
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Doma K, Singh U, Boullosa D, Connor JD. The effect of branched-chain amino acid on muscle damage markers and performance following strenuous exercise: a systematic review and meta-analysis. Appl Physiol Nutr Metab 2021; 46:1303-1313. [PMID: 34612716 DOI: 10.1139/apnm-2021-0110] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This systematic review and meta-analysis determined whether the ergogenic effects of branched-chain amino acids (BCAA) ameliorated markers of muscle damage and performance following strenuous exercise. In total, 25 studies were included, consisting of 479 participants (age 24.3 ± 8.3 years, height 1.73 ± 0.06 m, body mass 70.8 ± 9.5 kg, females 26.3%). These studies were rated as fair to excellent following the PEDro scale. The outcome measures were compared between the BCAA and placebo conditions at 24 and 48 hours following muscle-damaging exercises, using standardised mean differences and associated p-values via forest plots. Our meta-analysis demonstrated significantly lower levels of indirect muscle damage markers (creatine kinase, lactate dehydrogenase and myoglobin) at 48 hours post-exercise (standardised mean difference [SMD] = -0.41; p < 0.05) for the BCAA than placebo conditions, whilst muscle soreness was significant at 24 hours post-exercise (SMD = -0.28 ≤ d ≤ -0.61; p < 0.05) and 48 hours post-exercise (SMD = -0.41 ≤ d≤ -0.92; p < 0.01). However, no significant differences were identified between the BCAA and placebo conditions for muscle performance at 24 or 48 hours post-exercise (SMD = 0.08 ≤ d ≤ 0.21; p > 0.05). Overall, BCAA reduced the level of muscle damage biomarkers and muscle soreness following muscle-damaging exercises. However, the potential benefits of BCAA for muscle performance recovery is questionable and warrants further investigation to determine the practicality of BCAA for ameliorating muscle damage symptoms in diverse populations. PROSPERO registration number: CRD42020191248. Novelty: BCAA reduces the level of creatine kinase and muscle soreness following strenuous exercise with a dose-response relationship. BCAA does not accelerate recovery for muscle performance.
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Affiliation(s)
- Kenji Doma
- College of Healthcare Sciences, Sports and Exercise Science, James Cook University, Douglas, Queensland, Australia
| | - Utkarsh Singh
- Sports Dynamix Private Limited, Chennai, Nadu, India
| | - Daniel Boullosa
- College of Healthcare Sciences, Sports and Exercise Science, James Cook University, Douglas, Queensland, Australia.,INISA, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Jonathan Douglas Connor
- College of Healthcare Sciences, Sports and Exercise Science, James Cook University, Douglas, Queensland, Australia
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24
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Mantuano P, Boccanegra B, Bianchini G, Conte E, De Bellis M, Sanarica F, Camerino GM, Pierno S, Cappellari O, Allegretti M, Aramini A, De Luca A. BCAAs and Di-Alanine supplementation in the prevention of skeletal muscle atrophy: preclinical evaluation in a murine model of hind limb unloading. Pharmacol Res 2021; 171:105798. [PMID: 34352400 DOI: 10.1016/j.phrs.2021.105798] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 01/07/2023]
Abstract
Skeletal muscle atrophy occurs in response to various pathophysiological stimuli, including disuse, aging, and neuromuscular disorders, mainly due to an imbalance of anabolic/catabolic signaling. Branched Chain Amino Acids (BCAAs: leucine, isoleucine, valine) supplements can be beneficial for counteracting muscle atrophy, in virtue of their reported anabolic properties. Here, we carried out a proof-of-concept study to assess the in vivo/ex vivo effects of a 4-week treatment with BCAAs on disuse-induced atrophy, in a murine model of hind limb unloading (HU). BCAAs were formulated in drinking water, alone, or plus two equivalents of L-Alanine (2 ALA) or the dipeptide L-Alanyl-L-Alanine (Di-ALA), to boost BCAAs bioavailability. HU mice were characterized by reduction of body mass, decrease of soleus - SOL - muscle mass and total protein, alteration of postural muscles architecture and fiber size, dysregulation of atrophy-related genes (Atrogin-1, MuRF-1, mTOR, Mstn). In parallel, we provided new robust readouts in the HU murine model, such as impaired in vivo isometric torque and ex vivo SOL muscle contractility and elasticity, as well as altered immune response. An acute pharmacokinetic study confirmed that L-ALA, also as dipeptide, enhanced plasma exposure of BCAAs. Globally, the most sensitive parameters to BCAAs action were muscle atrophy and myofiber cross-sectional area, muscle force and compliance to stress, protein synthesis via mTOR and innate immunity, with the new BCAAs + Di-ALA formulation being the most effective treatment. Our results support the working hypothesis and highlight the importance of developing innovative formulations to optimize BCAAs biodistribution.
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Affiliation(s)
- Paola Mantuano
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Brigida Boccanegra
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Gianluca Bianchini
- Research & Early Development, Dompé farmaceutici S.p.A., Via Campo di Pile, s.n.c., 67100 L'Aquila, Italy
| | - Elena Conte
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Michela De Bellis
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Francesca Sanarica
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Giulia Maria Camerino
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Sabata Pierno
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Ornella Cappellari
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy
| | - Marcello Allegretti
- Research & Early Development, Dompé farmaceutici S.p.A., Via Campo di Pile, s.n.c., 67100 L'Aquila, Italy
| | - Andrea Aramini
- Research & Early Development, Dompé farmaceutici S.p.A., Via Campo di Pile, s.n.c., 67100 L'Aquila, Italy.
| | - Annamaria De Luca
- Section of Pharmacology, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro", Orabona 4 - Campus, 70125 Bari, Italy.
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25
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Narita K, Amiya E. Is branched-chain amino acid nutritional supplementation beneficial or detrimental in heart failure? World J Cardiol 2021; 13:163-169. [PMID: 34194634 PMCID: PMC8223699 DOI: 10.4330/wjc.v13.i6.163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/12/2021] [Accepted: 05/22/2021] [Indexed: 02/06/2023] Open
Abstract
Sarcopenia or cachexia is often complicated in heart failure. Nutritional support, particularly branched-chain amino acid (BCAA) supplementation, is a candidate treatment for improving sarcopenia or cachexia in elderly patients. However, the efficacy of BCAA supplementation in patients with heart failure has not been established, and the issue is comparatively more complex. Indeed, there are conflicting reports on the efficacy of BCAA supplementation. The evidence for including BCAA supplementation in treating patients with heart failure was reviewed, and the complexity of the issue was discussed.
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Affiliation(s)
- Koichi Narita
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Eisuke Amiya
- Department of Cardiovascular Medicine, The University of Tokyo, Tokyo 113-8655, Japan
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26
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Leal Yepes FA, Mann S, Overton TR, Behling-Kelly E, Nydam DV, Wakshlag JJ. Hepatic effects of rumen-protected branched-chain amino acids with or without propylene glycol supplementation in dairy cows during early lactation. J Dairy Sci 2021; 104:10324-10337. [PMID: 34176626 DOI: 10.3168/jds.2021-20265] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 05/03/2021] [Indexed: 12/27/2022]
Abstract
Essential amino acids (EAA) are critical for multiple physiological processes. Branched-chain amino acid (BCAA) supplementation provides energy substrates, promotes protein synthesis, and stimulates insulin secretion in rodents and humans. Most dairy cows face a protein and energy deficit during the first weeks postpartum and utilize body reserves to counteract this shortage. The objective was to evaluate the effect of rumen-protected BCAA (RP-BCAA; 375 g of 27% l-leucine, 85 g of 48% l-isoleucine, and 91 g of 67% l-valine) with or without oral propylene glycol (PG) administration on markers of liver health status, concentrations of nonesterified fatty acids (NEFA) and β-hydroxybutyrate (BHB) in plasma, and liver triglycerides (TG) during the early postpartum period in dairy cows. Multiparous Holstein cows were enrolled in blocks of 3 and randomly assigned to either the control group or 1 of the 2 treatments from calving until 35 d postpartum. The control group (n = 16) received 200 g of dry molasses per cow/d; the RP-BCAA group (n = 14) received RP-BCAA mixed with 200 g of dry molasses per cow/d; the RP-BCAA plus PG (RP-BCAAPG) group (n = 16) received RP-BCAA mixed with 200 g of dry molasses per cow/d, plus 300 mL of PG, once daily from calving until 7 d in milk (DIM). The RP-BCAA and RP-BCAAGP groups, on average (± standard deviation), were predicted to receive a greater supply of metabolizable protein in the form of l-Leu 27.4 ± 3.5 g/d, l-Ile 15.2 ± 1.8 g/d, and l-Val 24.2 ± 2.4 g/d compared with the control cows. Liver biopsies were collected at d 9 ± 4 prepartum and at 5 ± 1 and 21 ± 1 DIM. Blood was sampled 3 times per week from calving until 21 DIM. Milk yield, dry matter intake, NEFA, BHB, EAA blood concentration, serum chemistry, insulin, glucagon, and liver TG and protein abundance of total and phosphorylated branched-chain ketoacid dehydrogenase E1α (p-BCKDH-E1α) were analyzed using repeated measures ANOVA. Cows in the RP-BCAA and RP-BCAAPG groups had lower liver TG and lower activities of aspartate aminotransferase and glutamate dehydrogenase during the first 21 DIM, compared with control. All cows, regardless of treatment, showed an upregulation of p-BCKDH-E1α at d 5 postpartum, compared with levels at 21 d postpartum. Insulin, Met, and Glu blood concentration were greater in RP-BCAA and RP-BCAAPG compared with control during the first 35 DIM. Therefore, the use of RP-BCAA in combination with PG might be a feasible option to reduce hepatic lipidosis in dairy cows during early lactation.
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Affiliation(s)
- F A Leal Yepes
- Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, NY 14853.
| | - S Mann
- Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, NY 14853
| | - T R Overton
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - E Behling-Kelly
- Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, NY 14853
| | - D V Nydam
- Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, NY 14853
| | - J J Wakshlag
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
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27
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Chen YJ, Kuo CY, Kong ZL, Lai CY, Chen GW, Yang AJ, Lin LH, Wang MF. Anti-Fatigue Effect of a Dietary Supplement from the Fermented By-Products of Taiwan Tilapia Aquatic Waste and Monostroma nitidum Oligosaccharide Complex. Nutrients 2021; 13:1688. [PMID: 34063516 PMCID: PMC8156273 DOI: 10.3390/nu13051688] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/08/2021] [Accepted: 05/10/2021] [Indexed: 11/16/2022] Open
Abstract
The Taiwan Tilapia is an important aquaculture product in Taiwan. The aquatic by-products generated during Tilapia processing, such as fish bones and skin, are rich in minerals and protein. We aimed to explore the effect of a dietary supplement, comprising a mixture of fermented Tilapia by-products and Monostroma nitidum oligosaccharides as the raw materials, combined with physical training on exercise performance and fatigue. We used a mouse model that displays a phenotype of accelerated aging. Male senescence-accelerated mouse prone-8 (SAMP8) mice were divided into two control groups-with or without physical training-and supplemented with different doses (0.5 times: 412 mg/kg body weight (BW)/day; 1 time: 824 mg/kg BW/day; 2 times: 1648 mg/kg BW/day) of fermented Tilapia by-products and Monostroma nitidum oligosaccharide-containing mixture and combined with exercise training groups. Exercise performance was determined by testing forelimb grip strength and with a weight-bearing exhaustive swimming test. Animals were sacrificed to collect physical fatigue-related biomarkers. Mice dosed at 824 or 1648 mg/kg BW/day showed improvement in their exercise performance (p < 0.05). In terms of biochemical fatigue indicators, supplementation of 824 or 1648 mg/kg BW/day doses of test substances could effectively reduce blood urea nitrogen concentration and lactate concentration and increase the lactate ratio (p < 0.05) and liver glycogen content post-exercise (p < 0.05). Based on the above results, the combination of physical training and consumption of a dietary supplementation mixture of fermented Tilapia by-products and Monostroma nitidum oligosaccharides could improve the exercise performance of mice and help achieve an anti-fatigue effect.
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Affiliation(s)
- Ying-Ju Chen
- Bachelor Program in Health Care and Social Work for Indigenous Students, College of Humanities & Social Sciences, Providence University, Shalu Dist., Taichung 43301, Taiwan; (Y.-J.C.); (A.-J.Y.)
| | - Chun-Yen Kuo
- Department of Social Work and Child Welfare, Providence University, Shalu Dist., Taichung 43301, Taiwan;
| | - Zwe-Ling Kong
- Department of Food Science, National Taiwan Ocean University, No.2, Pei-Ning Road, Jhongjheng Dist., Keelung 20224, Taiwan; (Z.-L.K.); (G.-W.C.)
| | - Chin-Ying Lai
- Master Program in Social Enterprises & Cultural Creativity, College of Humanities & Social Sciences, Providence University, Shalu Dist., Taichung 43301, Taiwan;
| | - Guan-Wen Chen
- Department of Food Science, National Taiwan Ocean University, No.2, Pei-Ning Road, Jhongjheng Dist., Keelung 20224, Taiwan; (Z.-L.K.); (G.-W.C.)
| | - An-Jen Yang
- Bachelor Program in Health Care and Social Work for Indigenous Students, College of Humanities & Social Sciences, Providence University, Shalu Dist., Taichung 43301, Taiwan; (Y.-J.C.); (A.-J.Y.)
| | - Liang-Hung Lin
- Department of Food and Nutrition, Providence University, Shalu Dist., Taichung 43301, Taiwan
- Division of Allergy, Immunology & Rheumatology, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Tanzi Dist., Taichung 42743, Taiwan
| | - Ming-Fu Wang
- Department of Food and Nutrition, Providence University, Shalu Dist., Taichung 43301, Taiwan
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28
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Lim IS. Effects of branched-chain amino acid supplement on knee peak torque and indicators of muscle damage following isokinetic exercise-induced delayed onset muscle soreness. Phys Act Nutr 2021; 24:28-33. [PMID: 33539692 PMCID: PMC7934470 DOI: 10.20463/pan.2020.0025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 12/22/2020] [Indexed: 12/02/2022] Open
Abstract
[Purpose] This study aimed to investigate the effects of branched-chain amino acid (BCAA) supplement on delayed onset muscle soreness (DOMS) by analyzing the maximum muscle strength and indicators of muscle damage. [Methods] Twelve men with majors in physical education were assigned to the BCAA group and placebo group in a double-blinded design, and repeated measurements were conducted. DOMS was induced with an isokinetic exercise. Following BCAA administration, the changes in the knee extension peak torque, flexion peak torque, aspartate aminotransferase (AST), creatine kinase (CK), and lactate dehydrogenase (LDH) concentrations were analyzed. The maximum knee muscle strength was measured at the baseline (pre-D0) following BCAA administration for 5 days before exercise (-D5, -4D, -3D, -2D, -1D). In contrast, the post-treatment measurements (D3) were recorded after BCAA administration for 3 days (post-D0, D1, D2). Blood samples were obtained before (pre-D0), immediately after (post-D0), 24 h (D1), 48 h (D2), and 72 h (D3) after the exercise to analyze the indicators of muscle strength. BCAA was administered twice daily for 8 days (5 days and 3 days before inducing DOMS and during the experimental period, respectively). [Results] There was no difference in the flexion peak torque between the groups. However, the BCAA group showed a significantly higher extension peak torque at D3 (second isokinetic exercise), compared to the placebo group (p<.05). There was no difference in AST changes between the groups. Nonetheless, the CK and LDH were significantly reduced in the BCAA group, compared to the placebo group. There was no correlation between the extension peak torque and flexion peak torque. However, the CK and LDH increased proportionately in DOMS. Moreover, their concentrations significantly increased with a decreasing peak torque (p<.01). [Conclusion] An exercise-induced DOMS results in a decrease in the peak torque and a proportional increase in the CK and LDH concentrations. Moreover, the administration of BCAA inhibits the reduction of the extension peak torque and elevation of CK and LDH concentrations. Therefore, BCAA might be administered as a supplement to maintain the muscle strength and prevent muscle damage during vigorous exercises that may induce DOMS in sports settings.
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Affiliation(s)
- In-Soo Lim
- Department of Physical Education, Changwon National University, Changwon, Republic of Korea
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29
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Different Blood Metabolomics Profiles in Infants Consuming a Meat- or Dairy-Based Complementary Diet. Nutrients 2021; 13:nu13020388. [PMID: 33513734 PMCID: PMC7912106 DOI: 10.3390/nu13020388] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Research is limited in evaluating the mechanisms responsible for infant growth in response to different protein-rich foods; Methods: Targeted and untargeted metabolomics analysis were conducted on serum samples collected from an infant controlled-feeding trial that participants consumed a meat- vs. dairy-based complementary diet from 5 to 12 months of age, and followed up at 24 months. Results: Isoleucine, valine, phenylalanine increased and threonine decreased over time among all participants; Although none of the individual essential amino acids had a significant impact on changes in growth Z scores from 5 to 12 months, principal component heavily weighted by BCAAs (leucine, isoleucine, valine) and phenylalanine had a positive association with changes in length-for-age Z score from 5 to 12 months. Concentrations of acylcarnitine-C4, acylcarnitine-C5 and acylcarnitine-C5:1 significantly increased over time with the dietary intervention, but none of the acylcarnitines were associated with infant growth Z scores. Quantitative trimethylamine N-oxide increased in the meat group from 5 to 12 months; Conclusions: Our findings suggest that increasing total protein intake by providing protein-rich complementary foods was associated with increased concentrations of certain essential amino acids and short-chain acyl-carnitines. The sources of protein-rich foods (e.g., meat vs. dairy) did not appear to differentially impact serum metabolites, and comprehensive mechanistic investigations are needed to identify other contributors or mediators of the diet-induced infant growth trajectories.
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Wang J, Liang XF, He S, Zhang YP, Li J, Huang K, Shi LJ, Ren P. Valine acts as a nutritional signal in brain to activate TORC1 and attenuate postprandial ammonia-N excretion in Chinese perch (Siniperca chuatsi). FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:2015-2025. [PMID: 32749664 DOI: 10.1007/s10695-020-00767-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 01/13/2020] [Indexed: 06/11/2023]
Abstract
An emerging concept is that the hypothalamic nutrient sensor can regulate peripheral energy metabolism via a brain-liver circuit. Valine is an essential branched-chain amino acid (BCAA) that drives intracellular signaling cascades by the activation of target of rapamycin complex 1 (TORC1) which is critical to protein metabolism in mammals. However, in teleost fish, it remains scarce in this area especially about how the intraventricular (ICV) injection of valine can mediate the protein metabolism in peripheral organs. This study would tentatively explore the effects of ICV injection of valine on protein metabolism in peripheral organs through evaluating the postprandial ammonia-N excretion rate in Chinese perch. The control group was injected with 5-μL PBS, and the Val group was injected with 20-μg L valine dissolved into 5-μL PBS. The ammonia-N excretion rate of Val group was lower than control group at 4-, 12-, and 24-h postinjection, while the concertation of plasma glucose was increased sharply at 0.5-, 4-, 12-, and 24-h postinjection. We further checked both mRNA level and the enzyme activity of glutamate dehydrogenase (GDH) in the liver and adenosine monophosphate deaminase (AMPD) in muscle, and we found that they were obviously decreased in Val group at 4-, 12-, and 24-h postinjection. The phosphorylation level of ribosomal protein S6, a downstream target protein of TORC1, was markedly enhanced in the liver of Val group at 4-, 12-, and 24-h postinjection. Collectively, these results illustrated that ICV injection of valine can attenuate protein degradation in peripheral organs by depressing the GDH and AMPD enzyme activity; on the other hand, the injected valine can trigger the activation of TORC1 in the liver via a brain-liver circuit and then interdict proteolysis.
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Affiliation(s)
- Jie Wang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Xu-Fang Liang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China.
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China.
| | - Shan He
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Yan-Peng Zhang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Jiao Li
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Kang Huang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Lin-Jie Shi
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
| | - Ping Ren
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, 430070, Hubei Province, China
- Innovation Base for Chinese Perch Breeding, Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, 430070, China
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Tang S, Du Y, Oh C, No J. Effects of Soy Foods in Postmenopausal Women: A Focus on Osteosarcopenia and Obesity. J Obes Metab Syndr 2020; 29:180-187. [PMID: 32843586 PMCID: PMC7539339 DOI: 10.7570/jomes20006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/22/2020] [Accepted: 05/01/2020] [Indexed: 12/12/2022] Open
Abstract
Chronic diseases in postmenopausal women are caused by rapid changes in hormones and are accompanied by rapid changes in body composition (muscle, bone, and fat). In an aging society, the health of postmenopausal women is a social issue, and people’s interest in ingesting high-quality protein is increasing in order to maintain a healthy body composition. This review aims to summarize the efficacy of soy foods and their impact on body composition. The soy protein and isoflavones contained in soy foods can improve muscle and bone density quality and reduce body weight. It is considered a breakthrough in preventing osteosarcopenia and obesity that may occur after menopause.
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Affiliation(s)
- Sijia Tang
- Department of Food and Nutrition, Kyungsung University, Busan, Korea
| | - Yang Du
- Department of Food and Nutrition, Kyungsung University, Busan, Korea
| | - Chorong Oh
- Department of Food and Nutrition, Kyungsung University, Busan, Korea
| | - Jaekyung No
- Department of Food and Nutrition, Kyungsung University, Busan, Korea
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32
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Ergogenic Effect of BCAAs and L-Alanine Supplementation: Proof-of-Concept Study in a Murine Model of Physiological Exercise. Nutrients 2020; 12:nu12082295. [PMID: 32751732 PMCID: PMC7468919 DOI: 10.3390/nu12082295] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/20/2022] Open
Abstract
Background: Branched-chain amino acids (BCAAs: leucine, isoleucine, valine) account for 35% of skeletal muscle essential amino acids (AAs). As such, they must be provided in the diet to support peptide synthesis and inhibit protein breakdown. Although substantial evidence has been collected about the potential usefulness of BCAAs in supporting muscle function and structure, dietary supplements containing BCAAs alone may not be effective in controlling muscle protein turnover, due to the rate-limiting bioavailability of other AAs involved in BCAAs metabolism. Methods: We aimed to evaluate the in vivo/ex vivo effects of a 4-week treatment with an oral formulation containing BCAAs alone (2:1:1) on muscle function, structure, and metabolism in a murine model of physiological exercise, which was compared to three modified formulations combining BCAAs with increasing concentrations of L-Alanine (ALA), an AA controlling BCAAs catabolism. Results: A preliminary pharmacokinetic study confirmed the ability of ALA to boost up BCAAs bioavailability. After 4 weeks, mix 2 (BCAAs + 2ALA) had the best protective effect on mice force and fatigability, as well as on muscle morphology and metabolic indices. Conclusion: Our study corroborates the use of BCAAs + ALA to support muscle health during physiological exercise, underlining how the relative BCAAs/ALA ratio is important to control BCAAs distribution.
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An YH, Kim J, Kim HJ, Lim K. Effects of leucine-enriched essential amino acid supplementation on muscular fatigue and inflammatory cytokines in wheelchair basketball players. Phys Act Nutr 2020; 24:38-46. [PMID: 32698260 PMCID: PMC7451841 DOI: 10.20463/pan.2020.0013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/26/2020] [Accepted: 06/26/2020] [Indexed: 11/22/2022] Open
Abstract
PURPOSE This study aimed to investigate the effects of leucine-enriched essential amino acid (LEAA) supplementation on muscle fatigue and the level of inflammatory cytokines in wheelchair basketball players after a basketball game and interval training. METHODS Of the ten recruited wheelchair basketball players (aged 34.5±8.9 years; lean body mass of 34.3±10.0 kg) who had spinal cord injury (SCI) and had undergone amputation, nine participated in the final test. These nine athletes received LEAA supplements (3 times 4.0 g/day) or placebo treatment in a double-blind, randomized, crossover study. We measured variables related to muscular fatigue and inflammatory response before the intense exercise and 4 days after recovery. RESULTS The significant effect of LEAA supplementation was inhibition of circulating IL-6 levels in the LEAA-treated group compared with the placebo group (P < .05). However, no changes were observed in the TNF-α and creatinine kinase levels. Moreover, analysis of variance analysis showed no significant difference in the relative values of muscle soreness. However, the effect size analysis with Cohen's d reported a significant improvement in the relative values of whole body and back muscle soreness. CONCLUSION Our results revealed that LEAA supplementation before and after intense exercise could help reduce muscle soreness and IL-6 levels in wheelchair basketball players.
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Affiliation(s)
- Young Hwan An
- Department of Physical Education, Konkuk University, SeoulRepublic of Korea
| | - Jisu Kim
- Department of Sports Medicine and Science in Graduate School, Konkuk University, SeoulRepublic of Korea
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
| | - Hee-Jae Kim
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
| | - Kiwon Lim
- Department of Physical Education, Konkuk University, SeoulRepublic of Korea
- Department of Sports Medicine and Science in Graduate School, Konkuk University, SeoulRepublic of Korea
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
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Lee HK, Kim K, Lee J, Lee J, Lee J, Kim S, Lee SE, Kim JH. Targeted toxicometabolomics of endosulfan sulfate in adult zebrafish (Danio rerio) using GC-MS/MS in multiple reaction monitoring mode. JOURNAL OF HAZARDOUS MATERIALS 2020; 389:122056. [PMID: 32000124 DOI: 10.1016/j.jhazmat.2020.122056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/16/2019] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Endosulfan sulfate is a major oxidative metabolite of the chlorinated insecticide endosulfan. In this study, a targeted metabolomics approach was used to investigate the toxic mechanisms of endosulfan sulfate in adult zebrafish using the multiple reaction monitoring mode of a GC-MS/MS. The LC50 of endosulfan sulfate in adult zebrafish was determined and then zebrafish were exposed to endosulfan sulfate at one-tenth the LC50 (0.1LC50) or the LC50 for 24 and 48 h. After exposure, the fish were extracted, derivatized and analyzed by GC-MS/MS for 379 metabolites to identify 170 metabolites. Three experimental groups (control, 0.1LC50 and LC50) were clearly separated in PLS-DA score plots. Based on the VIP, ANOVA, and fold change results, 40 metabolites were selected as biomarkers. Metabolic pathways associated with those metabolites were identified using MetaboAnalyst 4.0 as follows: aminoacyl-tRNA biosynthesis, valine/leucine/isoleucine biosynthesis, citrate cycle, glycerolipid metabolism, and arginine/proline metabolism. Gene expression studies confirmed the activation of citrate cycle and glycerolipids metabolism. MDA levels of the exposed group significantly increased in oxidative toxicity assay tests. Such significant perturbations of important metabolites within key biochemical pathways must result in biologically hazardous effects in zebrafish.
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Affiliation(s)
- Hwa-Kyung Lee
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kyeongnam Kim
- School of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Junghak Lee
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jonghwa Lee
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Jiho Lee
- Environmental Medical Center, Korea Conformity Laboratories, Incheon, 21999, Republic of Korea
| | - Sooyeon Kim
- Gyeongnam Department of Environmental Toxicology and Chemistry, Korea Institute of Toxicology, Gyeongsangnam-do, 52834, Republic of Korea
| | - Sung-Eun Lee
- School of Applied Biosciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
| | - Jeong-Han Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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Waskiw-Ford M, Hannaian S, Duncan J, Kato H, Abou Sawan S, Locke M, Kumbhare D, Moore D. Leucine-Enriched Essential Amino Acids Improve Recovery from Post-Exercise Muscle Damage Independent of Increases in Integrated Myofibrillar Protein Synthesis in Young Men. Nutrients 2020; 12:nu12041061. [PMID: 32290521 PMCID: PMC7231404 DOI: 10.3390/nu12041061] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/06/2020] [Accepted: 04/08/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Leucine-enriched essential amino acids (LEAAs) acutely enhance post-exercise myofibrillar protein synthesis (MyoPS), which has been suggested to be important for muscle repair and recovery. However, the ability of LEAAs to concurrently enhance MyoPS and muscle damage recovery in free-living humans has not been studied. METHODS In a randomized, double-blind, placebo-controlled, parallel-group design, twenty recreationally active males consuming a controlled diet (1.2 g/kg/d of protein) were supplemented thrice daily with 4 g of LEAAs (containing 1.6 g leucine) or isocaloric placebo for four days following an acute bout of lower-body resistance exercise (RE). MyoPS at rest and integrated over 96 h of recovery was measured by D2O. Isometric and isokinetic torque, muscle soreness, Z-band streaming, muscle heat shock protein (HSP) 25 and 72, plasma creatine kinase (CK), and plasma interleukin-6 (IL-6) were measured over 96 h post-RE to assess various direct and indirect markers of muscle damage. RESULTS Integrated MyoPS increased ~72% over 96 h after RE (p < 0.05), with no differences between groups (p = 0.98). Isometric, isokinetic, and total peak torque decreased ~21% by 48 h after RE (p < 0.05), whereas total peak torque was ~10% greater overall during recovery in LEAAs compared to placebo (p < 0.05). There were moderate to large effects for peak torque in favour of LEAAs. Muscle soreness increased during recovery with no statistical differences between groups but small to moderate effects in favour of LEAAs that correlated with changes in peak torque. Plasma CK, plasma IL-6, and muscle HSP25 increased after RE (p < 0.05) but were not significantly different between groups (p ≥ 0.13). Consistent with a trend toward attenuated Z-band streaming in LEAAs (p = 0.07), muscle HSP72 expression was lower (p < 0.05) during recovery in LEAAs compared with placebo. There were no correlations between MyoPS and any measures of muscle damage (p ≥ 0.37). CONCLUSION Collectively, our data suggest that LEAAs moderately attenuated muscle damage without concomitant increases in integrated MyoPS in the days following an acute bout of resistance exercise in free-living recreationally active men.
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Affiliation(s)
- Marcus Waskiw-Ford
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
| | - Sarkis Hannaian
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
| | - Justin Duncan
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
| | - Hiroyuki Kato
- Technology Development Center, Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki, Kanagawa 210-8681, Japan;
| | - Sidney Abou Sawan
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
| | - Marius Locke
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
| | - Dinesh Kumbhare
- Toronto Rehabilitation Institute, Toronto, ON M5G 2A2, Canada;
| | - Daniel Moore
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, ON M5S 2C9, Canada; (M.W.-F.); (S.H.); (J.D.); (S.A.S.); (M.L.)
- Correspondence: ; Tel.: +1-416-946-4088
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Tsuboshima K, Urakawa S, Takamoto K, Taguchi T, Matsuda T, Sakai S, Mizumura K, Ono T, Nishijo H. Distinct effects of thermal treatments after lengthening contraction on mechanical hyperalgesia and exercise-induced physiological changes in rat muscle. J Appl Physiol (1985) 2020; 128:296-306. [PMID: 31999528 DOI: 10.1152/japplphysiol.00355.2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Delayed-onset muscle soreness (DOMS) is a common but displeasing event induced by excessive muscle use or unaccustomed exercise and characterized by tenderness and movement-related pain in the exercised muscle. Thermal therapies, either icing or heating applied to muscles immediately after exercise, have been used as therapeutic interventions for DOMS. However, the mechanisms of their analgesic effects, and physiological and metabolic changes in the muscle during thermal therapy, remain unclear. In the present study, we investigated the effects of both thermal treatments on mechanical hyperalgesia of DOMS and physiological and muscle metabolite changes using the rat DOMS model induced by lengthening contraction (LC) to the gastrocnemius muscle. Heating treatment just after LC induced analgesic effects, while rats with icing treatment showed mechanical hyperalgesia similar to that of the LC group. Furthermore, increased physiological responses (e.g., muscle temperature and blood flow) following the LC were significantly kept high only in the rats with heating treatment. In addition, heating treatment increased metabolites involved in the improvement of blood flow and oxidative metabolisms in the exercised muscle. The results indicated that heating treatment just after LC has analgesic effects on DOMS, which might be mediated partly through the improvement of muscle oxidative metabolisms by changes in metabolites and elevated physiological responses.NEW & NOTEWORTHY Physiological effects of thermal therapy in the muscle and its mechanisms of analgesic effects remain unclear. The results indicated that heating, but not icing, treatment just after lengthening contractions induced analgesic effects in the rat muscle. Increases in hemodynamics, muscle temperature, and metabolites such as nicotinamide were more prominent in heating treatment, consistent with improvement of muscle oxidative metabolisms, which might reduce chemical factors to induce mechanical hyperalgesia.
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Affiliation(s)
- Katsuyuki Tsuboshima
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Susumu Urakawa
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan.,Department of Musculoskeletal Functional Research and Regeneration, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kouichi Takamoto
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Toru Taguchi
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan.,Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, Niigata, Japan
| | - Teru Matsuda
- Department of Physical Therapy, College of Life and Health Sciences, Chubu University, Kasugai, Japan
| | - Shigekazu Sakai
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Kazue Mizumura
- Department of Physical Therapy, College of Life and Health Sciences, Chubu University, Kasugai, Japan
| | - Taketoshi Ono
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Hisao Nishijo
- Department of System Emotional Science, Faculty of Medicine, University of Toyama, Toyama, Japan
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Oliveira MSF, Htoo JK, González-Vega JC, Stein HH. Bioavailability of valine in spray-dried L-valine biomass is not different from that in crystalline L-valine when fed to weanling pigs1. J Anim Sci 2020; 97:4227-4234. [PMID: 31420673 DOI: 10.1093/jas/skz275] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 08/14/2019] [Indexed: 11/13/2022] Open
Abstract
An experiment was conducted to test the hypothesis that Val from a spray dried L-Val fermentation biomass (Val-FB; 64.4% L-Val) has a bioavailability of 100% relative to Val from L-Val (98% L-Val) when fed to weanling pigs. A Val-deficient basal diet containing 0.63% standardized ileal digestible (SID) Val was formulated. Six additional diets were prepared by supplementing the basal diet with 0.08%, 0.17%, or 0.25% L-Val or 0.12%, 0.25%, or 0.37% Val-FB to create experimental diets from both Val sources that contained 0.71%, 0.79%, or 0.87% SID Val. Two hundred twenty-four weaned pigs (6.87 ± 0.64 kg initial BW) were allotted to a randomized complete block design with 7 diets, 4 pigs per pen, and 8 replicate pens per diet. Diets were fed for 20 d. At the conclusion of the experiment, a blood sample from 1 pig per pen was analyzed for blood urea nitrogen (BUN) and plasma free AA. A linear regression model was used to estimate the relative bioavailability (RBV) of Val in Val-FB relative to Val from L-Val. Results indicated that the final BW and ADG were greater (P < 0.01) for pigs fed diets supplemented with Val-FB than pigs fed diets supplemented with L-Val. The ADFI decreased (linear, P ≤ 0.01), whereas G:F increased (linear, P < 0.01) by increasing inclusion of both Val sources in the diets. Regardless of source of dietary Val, BUN values were reduced (linear and quadratic, P < 0.01) as the concentration of Val in the diet increased. Pigs fed diets supplemented with L-Val had increased (linear and quadratic, P ≤ 0.05) concentrations of Val and Arg in plasma, and plasma concentrations of Ile, Leu, Lys, Ala, Cys, and Pro linearly increased (P < 0.05). There was also an increase (linear, P < 0.05) in plasma concentrations of Ile, Leu, Met, Ala, Asp, Cys, and Pro as Val-FB was added to the diets, and the concentration of Val in plasma increased (linear and quadratic, P < 0.05). Using L-Val as the standard, the RBV of Val in Val-FB as determined by ADG, G:F, and final BW was 146%, 135%, and 143%, respectively, with 95% confidence intervals of 99% to 191%, 83% to 187%, and 70% to 217%, respectively. In conclusion, the linear regression estimated a RBV of at least 100% for Val in Val-FB relative to Val from L-Val, and pigs fed diet supplemented with Val-FB had greater final BW, ADG, and G:F than pigs fed diets supplemented with the same amount of Val from L-Val.
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Affiliation(s)
- Maryane S F Oliveira
- Department of Animal Sciences, University of Illinois at Urbana - Champaign, Urbana, IL
| | - John K Htoo
- Evonik Nutrition & Care GmbH, Hanau-Wolfgang, Germany
| | | | - Hans H Stein
- Department of Animal Sciences, University of Illinois at Urbana - Champaign, Urbana, IL.,Division of Nutritional Sciences, University of Illinois, Urbana, IL
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Nakatani F, Ienaga T, Wu X, Tahara Y, Ikezaki H, Sano H, Muto Y, Kaneda Y, Toko K. Development of a Sensor with a Lipid/Polymer Membrane Comprising Na + Ionophores to Evaluate the Saltiness Enhancement Effect. SENSORS (BASEL, SWITZERLAND) 2019; 19:E5251. [PMID: 31795329 PMCID: PMC6928804 DOI: 10.3390/s19235251] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/19/2019] [Accepted: 11/26/2019] [Indexed: 12/21/2022]
Abstract
The saltiness enhancement effect is the effect whereby saltiness is enhanced by adding specific substances to salt (sodium chloride). Since this effect can be used in the development of salt-reduced foods, a method to objectively evaluate the saltiness with this effect is required. A taste sensor with lipid/polymer membranes has been used to quantify the taste of food and beverages in recent years. The sensor electrodes of this taste sensor have the feature of selectively responding to each of the five basic tastes, which is realized by the lipid/polymer membranes. In this study, we developed a new saltiness sensor based on the lipid/polymer membrane with the aim of quantifying the saltiness enhancement effect. In addition to the conventional components of a lipid, plasticizer, and polymer supporting reagent, the membrane we developed comprises ionophores, which selectively capture sodium ions. As a result, the response of the sensor increased logarithmically with the activity of NaCl in measured samples, similarly to the taste response of humans. In addition, all of the sensor responses increased upon adding saltiness-enhancing substances, such as citric acid, tartaric acid and branched-chain amino acids (BCAAs), to NaCl samples. These findings suggest that it is possible to quantify the saltiness enhancement effect using a taste sensor with lipid/polymer membranes.
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Affiliation(s)
- Futa Nakatani
- Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (T.I.); (Y.M.); (Y.K.)
| | - Tomofumi Ienaga
- Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (T.I.); (Y.M.); (Y.K.)
| | - Xiao Wu
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (X.W.); (Y.T.); (K.T.)
| | - Yusuke Tahara
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (X.W.); (Y.T.); (K.T.)
| | - Hidekazu Ikezaki
- Intelligent Sensor Technology, Inc., 5-1-1 Onna, Atsugi-shi, Kanagawa 243-0032, Japan;
| | - Hiroyuki Sano
- Fuji Foods Corp., 5-14 Hanedaasahi-cho, Ota-ku, Tokyo 144-0042, Japan;
| | - Yuki Muto
- Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (T.I.); (Y.M.); (Y.K.)
| | - Yuya Kaneda
- Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (T.I.); (Y.M.); (Y.K.)
| | - Kiyoshi Toko
- Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan; (X.W.); (Y.T.); (K.T.)
- Institute for Advanced Study, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Fedewa MV, Spencer SO, Williams TD, Becker ZE, Fuqua CA. Effect of branched-Chain Amino Acid Supplementation on Muscle Soreness following Exercise: A Meta-Analysis. INT J VITAM NUTR RES 2019; 89:348-356. [DOI: 10.1024/0300-9831/a000543] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Abstract. Delayed onset muscle soreness (DOMS) is a symptom of exercise-induced muscle damage that occurs following exercise. Previous research has indicated that branched-chain amino acid (BCAA) supplementation may attenuate exercise-induced muscle damage that causes delayed onset muscle soreness, however the results are inconsistent. The primary aim of this study was to examine the previous literature assessing the effect of BCAA supplementation on DOMS following an acute bout of exercise in adults. This review was conducted in accordance with PRISMA guidelines (Preferred Reporting Items for Systematic Reviews and Meta-analyses), and identified peer-reviewed articles comparing a BCAA supplement to a placebo non-BCAA supplement following an acute bout of exercise. An electronic search of three databases (EbscoHost, Web of Science, and SPORTDiscus) yielded 42 articles after duplicates were removed. All studies included in the current analyis were: 1) peer-reviewed publications; 2) available in English; 3) utilized a random control design that compared a BCAA group to a placebo control group following exercise; 4) and assessed soreness of muscle tissue during recovery. DOMS was assessed in 61 participants following ingestion of a BCAA supplement over the course of these interventions. The cumulative results of 37 effects gathered from 8 studies published between 2007 and 2017 indicated that BCAA supplementation reduced DOMS following exercise training (ES = 0.7286, 95% CI: 0.5017 to 0.9555, p < 0.001). A large decrease in DOMS occurs following BCAA supplementation after exercise compared to a placebo supplement.
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Affiliation(s)
- Michael V. Fedewa
- Department of Kinesiology, The University of Alabama, Tuscaloosa, Alabama, United States
| | - Steven O. Spencer
- Department of Kinesiology, The University of Alabama, Tuscaloosa, Alabama, United States
| | - Tyler D. Williams
- Department of Kinesiology, The University of Alabama, Tuscaloosa, Alabama, United States
- Department of Kinesiology, Samford University, Birmingham, Alabama, United States
| | - Zachery E. Becker
- Department of Kinesiology, The University of Alabama, Tuscaloosa, Alabama, United States
| | - Collin A. Fuqua
- Department of Kinesiology, The University of Alabama, Tuscaloosa, Alabama, United States
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40
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Tsuji S, Koyama S, Taniguchi R, Fujiwara T, Fujiwara H, Sato Y. Association of Serum Amino Acid Concentration With Loss of Skeletal Muscle Mass After 1 Year in Cardiac Rehabilitation Center Patients. Circ Rep 2019; 1:456-461. [PMID: 33693083 PMCID: PMC7897544 DOI: 10.1253/circrep.cr-19-0053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Background:
Decreased skeletal muscle mass index (SMI) is a major complication of severe chronic heart failure (HF), but no appropriate indices have been developed to predict decreased SMI. Methods and Results:
We enrolled patients with a structural heart disease or history of HF and collected body composition and blood sample data, including serum amino acid concentration. On multivariate logistic regression analysis and receiver operating characteristic curve analysis, serum branched-chain amino acid (BCAA) concentration was a significant predictor of decreased SMI at 1-year follow-up. Conclusions:
Serum BCAA concentration at baseline was significantly associated with decreased SMI at 1-year follow-up.
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Affiliation(s)
- Shuhei Tsuji
- Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
| | - Satoshi Koyama
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
| | - Ryoji Taniguchi
- Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | | | - Hisayoshi Fujiwara
- Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
| | - Yukihito Sato
- Department of Cardiology, Hyogo Prefectural Amagasaki General Medical Center
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41
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Estoche JM, Jacinto JL, Roveratti MC, Gabardo JM, Buzzachera CF, de Oliveira EP, Ribeiro AS, da Silva RA, Aguiar AF. Branched-chain amino acids do not improve muscle recovery from resistance exercise in untrained young adults. Amino Acids 2019; 51:1387-1395. [PMID: 31468208 DOI: 10.1007/s00726-019-02776-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 08/20/2019] [Indexed: 01/24/2023]
Abstract
The purpose of this study was to investigate the effects of BCAA supplementation on muscle recovery from resistance exercise (RE) in untrained young adults. Twenty-four young adults (24.0 ± 4.3 years old) were assigned to 1 of 2 groups (n = 12 per group): a placebo-supplement group or a BCAA-supplement group. The groups were supplemented for a period of 5 days. On day 1 and 3, both groups underwent a RE session involving two lower body exercises (hack squat and leg press) and then were evaluated for muscle recovery on the 3 subsequent moments after the RE session [30 min (day 3), 24 h (day 4), and 48 h (day 5)]. The following indicators of muscle recovery were assessed: number of repetitions, rating of perceived exertion in the last RE session, muscle soreness and countermovement jump (CMJ) during recovery period (30 min, 24 h, and 48 h after RE session). Number of repetitions remained unchanged over time (time, P > 0.05), while the rating of perceived exertion increased (time, P < 0.05) over 3 sets, with no difference between groups (group × time, P > 0.05). Muscle soreness increased (time, P < 0.05) and jumping weight decreased (time, P < 0.05) at 30 min post-exercise and then progressively returned to baseline at 24 and 48 h post-exercise, with no difference between groups (group × time, P > 0.05). The results indicate that BCAA supplementation does not improve muscle recovery from RE in untrained young adults.
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Affiliation(s)
- José Maria Estoche
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | - Jeferson Lucas Jacinto
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | - Mirela Casonato Roveratti
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | - Juliano Moro Gabardo
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | - Cosme Franklim Buzzachera
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | | | - Alex Silva Ribeiro
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil
| | - Rubens Alexandre da Silva
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil.,Département des Sciences de la Santé, Programme de Physiothérapie de L'université McGill Offert em Extension à l'université du Québec à Chicoutimi (UQAC) et Laboratoire de recherche BioNR, 555 boul. De L'université, ville du Saguenay, Québec, QC, G7H 5B8, Canada
| | - Andreo Fernando Aguiar
- Center of Research in Health Sciences, North University of Paraná (UNOPAR), Avenue Paris, 675, Jardim Piza, Londrina, Paraná, CEP 86041-120, Brazil.
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42
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Wang Y, Jiang F, Ma C, Rui Y, Tsang DCW, Xing B. Effect of metal oxide nanoparticles on amino acids in wheat grains (Triticum aestivum) in a life cycle study. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 241:319-327. [PMID: 31015082 DOI: 10.1016/j.jenvman.2019.04.041] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 04/06/2019] [Accepted: 04/13/2019] [Indexed: 05/04/2023]
Abstract
Engineered nanoparticles (NPs) are now used as additives in pesticides and fungicides and as novel fertilizers in agriculture so there is an urgent need to explore their effects on crop yield and quality in a full life cycle study. In the present study, three widely used NPs (TiO2, Fe2O3 and CuO NPs applied at doses of 50 and 500 mg/kg) were selected to investigate their long-term impact on wheat growth. TiO2 NPs did not affect the growth and development of wheat, but Fe2O3 NPs promoted wheat precocity and CuO NPs inhibited the growth and development of the wheat grains. The Cu content in grains treated with CuO NP increased by 18.84%-30.45% compared with the control. However, the contents of Fe and Zn were both significantly lower in the CuO NP treatments. Univariate and multivariate analyses were used to analyze the effect of different NPs on the composition of amino acids in wheat grains. Exposure to TiO2 NPs at dose of 500 mg/kg increased the overall amino acid nutrition in the edible portion of wheat. Fe2O3 NPs at both doses increased the contents of cysteine (Cys) and tyrosine (Tyr). The addition of CuO NPs reduced the level of some essential amino acids in wheat grains, isoleucine (Ile), leucine (Leu), threonine (Thr) and histidine (His). Overall, evaluation of the potential impacts of metal-based NPs on the nutritional quality of wheat grains could provide important information for their safe use when incorporated into agrichemicals in sustainable agriculture.
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Affiliation(s)
- Yaoyao Wang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Fuping Jiang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China
| | - Chuanxin Ma
- Department of Analytical Chemistry, The Connecticut Agricultural Experiment Station, New Haven, CT, 06504, United States; Stockbridge School of Agriculture, University of Massachusetts Amherst, MA, 01003, United States.
| | - Yukui Rui
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China.
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts Amherst, MA, 01003, United States
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43
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Park Y, Park HY, Kim J, Hwang H, Jung Y, Kreider R, Lim K. Effects of whey protein supplementation prior to, and following, resistance exercise on body composition and training responses: A randomized double-blind placebo-controlled study. J Exerc Nutrition Biochem 2019; 23:34-44. [PMID: 31337204 PMCID: PMC6651693 DOI: 10.20463/jenb.2019.0015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 06/24/2019] [Accepted: 06/25/2019] [Indexed: 01/05/2023] Open
Abstract
PURPOSE The composition of protein supplements, the consumption timing immedi¬ately before and after resistance exercise training (RET), and the quantity of protein supplementation may be important factors for the im-provement of muscle mass and function. Although these factors should be considered comprehensively for effective improvement of muscular function in protein supplementation, relatively few studies have focused on this area. Therefore, this study was designed to investigate whether a protein blend supplement before and after resistance exercise for 12 weeks would be effective in increasing muscular function. METHODS In total, 18 participants were randomly assigned to a placebo (PLA) or protein blend supplement (PRO) group. All subjects followed the same training routine 3 times per week for 12 weeks, taking placebo or protein supplements immediately before and after each exercise session. The protein supplement consisted of 40 g of blend protein, including hydrolyzed whey protein. The RET consisted of lower body (barbell squat, dead lift, seated leg extension, and lying leg curl) and upper body (bench press, barbell rowing, preacher bench biceps curl, and dumbbell shoulder press) exercises. A repetition was defined as three sets of 10-12 times with 80% of one repetition maximum (1RM). RESULTS Although the PRO group had a lower protein intake in terms of total food intake than the PLA group, the mean changes in muscle circumference, strength, and exercise volume increased, especially at week 12, compared to the PLA group. CONCLUSION These results suggest that the composition and timing of protein intake are more important than the total amount.
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Affiliation(s)
- Yeram Park
- Department of Physical Education, Konkuk University, SeoulRepublic of Korea
| | - Hun-Young Park
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
| | - Jisu Kim
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
| | - Hyejung Hwang
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
| | - Yanghoon Jung
- CJ Research Institute, CJ CheilJedang, SuwonRepublic of Korea
| | - Richard Kreider
- Department of Health and Kinesiology, Texas A&M University, TexasU.S.A.
| | - Kiwon Lim
- Department of Physical Education, Konkuk University, SeoulRepublic of Korea
- Physical Activity and Performance Institute, Konkuk University, SeoulRepublic of Korea
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44
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Zhao L, Pascual F, Bacudio L, Suchanek AL, Young PA, Li LO, Martin SA, Camporez JP, Perry RJ, Shulman GI, Klett EL, Coleman RA. Defective fatty acid oxidation in mice with muscle-specific acyl-CoA synthetase 1 deficiency increases amino acid use and impairs muscle function. J Biol Chem 2019; 294:8819-8833. [PMID: 30975900 DOI: 10.1074/jbc.ra118.006790] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 03/21/2019] [Indexed: 01/07/2023] Open
Abstract
Loss of long-chain acyl-CoA synthetase isoform-1 (ACSL1) in mouse skeletal muscle (Acsl1M -/-) severely reduces acyl-CoA synthetase activity and fatty acid oxidation. However, the effects of decreased fatty acid oxidation on skeletal muscle function, histology, use of alternative fuels, and mitochondrial function and morphology are unclear. We observed that Acsl1M -/- mice have impaired voluntary running capacity and muscle grip strength and that their gastrocnemius muscle contains myocytes with central nuclei, indicating muscle regeneration. We also found that plasma creatine kinase and aspartate aminotransferase levels in Acsl1M -/- mice are 3.4- and 1.5-fold greater, respectively, than in control mice (Acsl1flox/flox ), indicating muscle damage, even without exercise, in the Acsl1M -/- mice. Moreover, caspase-3 protein expression exclusively in Acsl1M -/- skeletal muscle and the presence of cleaved caspase-3 suggested myocyte apoptosis. Mitochondria in Acsl1M -/- skeletal muscle were swollen with abnormal cristae, and mitochondrial biogenesis was increased. Glucose uptake did not increase in Acsl1M -/- skeletal muscle, and pyruvate oxidation was similar in gastrocnemius homogenates from Acsl1M -/- and control mice. The rate of protein synthesis in Acsl1M -/- glycolytic muscle was 2.1-fold greater 30 min after exercise than in the controls, suggesting resynthesis of proteins catabolized for fuel during the exercise. At this time, mTOR complex 1 was activated, and autophagy was blocked. These results suggest that fatty acid oxidation is critical for normal skeletal muscle homeostasis during both rest and exercise. We conclude that ACSL1 deficiency produces an overall defect in muscle fuel metabolism that increases protein catabolism, resulting in exercise intolerance, muscle weakness, and myocyte apoptosis.
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Affiliation(s)
| | | | | | | | | | - Lei O Li
- From the Departments of Nutrition and
| | - Sarah A Martin
- the Department of Molecular Genetics and Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas 75390, and
| | | | - Rachel J Perry
- the Departments of Internal Medicine and.,Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, Connecticut 06520
| | - Gerald I Shulman
- the Departments of Internal Medicine and.,Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, Connecticut 06520
| | - Eric L Klett
- Medicine, University of North Carolina, Chapel Hill, North Carolina 27599
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45
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Leal Yepes FA, Mann S, Overton TR, Ryan CM, Bristol LS, Granados GE, Nydam DV, Wakshlag JJ. Effect of rumen-protected branched-chain amino acid supplementation on production- and energy-related metabolites during the first 35 days in milk in Holstein dairy cows. J Dairy Sci 2019; 102:5657-5672. [PMID: 30928273 DOI: 10.3168/jds.2018-15508] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 02/09/2019] [Indexed: 12/27/2022]
Abstract
Essential AA are critical for multiple physiological processes. Branched-chain AA (BCAA) supplementation has beneficial effects on body weight, lipogenesis, and insulin resistance in several species. The BCAA are used for milk and body protein synthesis as well as being oxidized by the tricarboxylic acid cycle to produce ATP during catabolic states. The objective was to evaluate the effect of rumen-protected BCAA (375 g of 27% l-Leu, 85 g of 48% l-Ile, and 91 g of 67% l-Val) with or without propylene glycol (PG) oral administration on milk production, dry matter intake, nonesterified fatty acids, β-hydroxybutyrate, and plasma urea nitrogen during the first 35 d in milk (DIM) in dairy cattle. Multiparous Holstein cows were enrolled in blocks of three 28 d before expected calving and assigned randomly to either the control or 1 of 2 treatments. The control (n = 26) received 200 g/d of dry molasses, the BCAA treatment (n = 23) received BCAA mixed with 200 g/d of dry molasses from calving until 35 DIM, and the BCAA plus PG (BCAAPG) treatment (n = 25) received BCAA mixed with 200 g/d of dry molasses from calving until 35 DIM plus 300 mL of PG once daily from calving until 7 DIM. Postpartum, dry matter intake least squares means (LSM; 95% confidence interval) were 20.7 (19.9, 21.7), 21.3 (20.4, 22.3), and 21.9 (20.9, 22.8) kg for control, BCAA, and BCAAPG, respectively. Milk yield (1-35 DIM) LSM were 41.7 (39.4, 44.0), 42.7 (40.3, 45.0), and 43.7 (41.4, 46.0) kg for control, BCAA, and BCAAPG, respectively. Energy-corrected milk LSM were 50.3 (46.8, 53.7), 52.4 (48.9, 55.8), and 52.9 (49.5, 56.4) kg for control, BCAA, and BCAAPG, respectively. Milk urea nitrogen LSM in milk for control, BCAA, and BCAAPG were 8.60 (8.02, 9.22), 9.70 (9.01, 10.45), and 9.75 (9.08, 10.47) mg/dL. Plasma urea nitrogen concentrations LSM for control, BCAA, and BCAAPG were 8.3 (7.7, 8.9), 10.1 (9.4, 10.9), and 9.6 (9.4, 10.3) mg/dL, respectively. The numbers of plasma samples classified as hyperketonemia were 77, 44, and 57 in control, BCAA, and BCAAPG, respectively. The BCAA supplementation increased plasma urea nitrogen and milk urea nitrogen, free valine concentration in plasma, and decreased hyperketonemia events during the postpartum period.
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Affiliation(s)
- F A Leal Yepes
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - S Mann
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
| | - T R Overton
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - C M Ryan
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - L S Bristol
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
| | - G E Granados
- Department of Animal Science, Cornell University, Ithaca, NY 14853
| | - D V Nydam
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
| | - J J Wakshlag
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853.
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Selected In-Season Nutritional Strategies to Enhance Recovery for Team Sport Athletes: A Practical Overview. Sports Med 2018; 47:2201-2218. [PMID: 28702900 PMCID: PMC5633631 DOI: 10.1007/s40279-017-0759-2] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Team sport athletes face a variety of nutritional challenges related to recovery during the competitive season. The purpose of this article is to review nutrition strategies related to muscle regeneration, glycogen restoration, fatigue, physical and immune health, and preparation for subsequent training bouts and competitions. Given the limited opportunities to recover between training bouts and games throughout the competitive season, athletes must be deliberate in their recovery strategy. Foundational components of recovery related to protein, carbohydrates, and fluid have been extensively reviewed and accepted. Micronutrients and supplements that may be efficacious for promoting recovery include vitamin D, omega-3 polyunsaturated fatty acids, creatine, collagen/vitamin C, and antioxidants. Curcumin and bromelain may also provide a recovery benefit during the competitive season but future research is warranted prior to incorporating supplemental dosages into the athlete's diet. Air travel poses nutritional challenges related to nutrient timing and quality. Incorporating strategies to consume efficacious micronutrients and ingredients is necessary to support athlete recovery in season.
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Lin CL, Lee MC, Hsu YJ, Huang WC, Huang CC, Huang SW. Isolated Soy Protein Supplementation and Exercise Improve Fatigue-Related Biomarker Levels and Bone Strength in Ovariectomized Mice. Nutrients 2018; 10:nu10111792. [PMID: 30453643 PMCID: PMC6266037 DOI: 10.3390/nu10111792] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 11/14/2018] [Accepted: 11/15/2018] [Indexed: 01/10/2023] Open
Abstract
Isolated soy protein (ISP) is a well-known supplement and has been reported to improve health, exercise performance, body composition, and energy utilization. ISP exhibits multifunctional bioactivities and also contains branched-chain amino acids (BCAAs), which have been confirmed to positively affect body weight (BW) regulation and muscle protein synthesis. The combined effects of BCAA supplements and exercise in older postmenopausal women with osteoporosis, sarcopenia, and obesity have been inadequately investigated. Therefore, in this study, we evaluated the potential beneficial effects of soy protein supplementation and exercise training on postmenopausal mice. Forty mice (14 weeks old) with ovariectomy-induced osteosarcopenic obesity were divided into five groups (n = 8), namely sham ovariectomy (OVX, control), OVX, OVX with ISP supplementation (OVX+ISP), OVX with exercise training (ET, OVX+ET), and OVX with ISP and ET (OVX+ISP+ET). The mice received a vehicle or soy protein (3.8 g/kg BW) by oral gavage for four weeks, and the exercise performance (forelimb grip strength and exhaustive swimming time) was evaluated. In the biochemical profiles, we evaluated the serum glucose level and tissue damage markers, such as lactate, ammonia, glucose, blood urine nitrogen (BUN), and creatinine phosphate kinase (CPK). The body composition was determined by evaluating bone stiffness and muscle mass. All data were analyzed using one-way repeated measures analysis of variance. The physical performance of the OVX+ISP+ET group did not differ from that of the other groups. The OVX+ISP+ET group exhibited lower levels of serum lactate, ammonia, CPK, and BUN as well as economized glucose metabolism after an acute exercise challenge. The OVX+ISP+ET group also exhibited higher muscle mass and bone strength than the OVX group. Our study demonstrated that a combination of ISP supplementation and exercise reduced fatigue and improved bone function in OVX mice.
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Affiliation(s)
- Che-Li Lin
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 33301, Taiwan.
- Department of Orthopedic Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City 23561, Taiwan.
| | - Mon-Chien Lee
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 33301, Taiwan.
| | - Yi-Ju Hsu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 33301, Taiwan.
| | - Wen-Ching Huang
- Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei 11219, Taiwan.
| | - Chi-Chang Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 33301, Taiwan.
| | - Shih-Wei Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 33301, Taiwan.
- Department of Physical Medicine and Rehabilitation, Shuang Ho Hospital, Taipei Medical University, Taipei 23561, Taiwan.
- Department of Physical Medicine and Rehabilitation, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.
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Effect of Branched-Chain Amino Acid Supplementation on Recovery Following Acute Eccentric Exercise. Nutrients 2018; 10:nu10101389. [PMID: 30275356 PMCID: PMC6212987 DOI: 10.3390/nu10101389] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 09/19/2018] [Accepted: 09/26/2018] [Indexed: 01/10/2023] Open
Abstract
This study investigated the effect of branched-chain amino acid (BCAA) supplementation on recovery from eccentric exercise. Twenty males ingested either a BCAA supplement or placebo (PLCB) prior to and following eccentric exercise. Creatine kinase (CK), vertical jump (VJ), maximal voluntary isometric contraction (MVIC), jump squat (JS) and perceived soreness were assessed. No significant (p > 0.05) group by time interaction effects were observed for CK, soreness, MVIC, VJ, or JS. CK concentrations were elevated above baseline (p < 0.001) in both groups at 4, 24, 48 and 72 hr, while CK was lower (p = 0.02) in the BCAA group at 48 hr compared to PLCB. Soreness increased significantly from baseline (p < 0.01) in both groups at all time-points; however, BCAA supplemented individuals reported less soreness (p < 0.01) at the 48 and 72 hr time-points. MVIC force output returned to baseline levels (p > 0.05) at 24, 48 and 72 hr for BCAA individuals. No significant difference between groups (p > 0.05) was detected for VJ or JS. BCAA supplementation may mitigate muscle soreness following muscle-damaging exercise. However, when consumed with a diet consisting of ~1.2 g/kg/day protein, the attenuation of muscular performance decrements or corresponding plasma CK levels are likely negligible.
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49
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Baccolo G, Stamerra G, Coppola DP, Orlandi I, Vai M. Mitochondrial Metabolism and Aging in Yeast. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2018; 340:1-33. [PMID: 30072089 DOI: 10.1016/bs.ircmb.2018.05.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mitochondrial functionality is one of the main factors involved in cell survival, and mitochondrial dysfunctions have been identified as an aging hallmark. In particular, the insurgence of mitochondrial dysfunctions is tightly connected to mitochondrial metabolism. During aging, both mitochondrial oxidative and biosynthetic metabolisms are progressively altered, with the development of malfunctions, in turn affecting mitochondrial functionality. In this context, the relation between mitochondrial pathways and aging is evolutionarily conserved from single-celled organisms, such as yeasts, to complex multicellular organisms, such as humans. Useful information has been provided by the yeast Saccharomyces cerevisiae, which is being increasingly acknowledged as a valuable model system to uncover mechanisms underlying cellular longevity in humans. On this basis, we review the impact of specific aspects of mitochondrial metabolism on aging supported by the contributions brought by numerous studies performed employing yeast. Initially, we will focus on the tricarboxylic acid cycle and oxidative phosphorylation, describing how their modulation has consequences on cellular longevity. Afterward, we will report information regarding the importance of nicotinamide adenine dinucleotide (NAD) metabolism during aging, highlighting its relation with mitochondrial functionality. The comprehension of these key points regarding mitochondrial metabolism and their physiological importance is an essential first step for the development of therapeutic interventions that point to increase life quality during aging, therefore promoting "healthy aging," as well as lifespan itself.
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Affiliation(s)
- Giacomo Baccolo
- SYSBIO Centre for Systems Biology, Milano, Italy; Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano, Italy
| | - Giulia Stamerra
- SYSBIO Centre for Systems Biology, Milano, Italy; Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano, Italy
| | | | - Ivan Orlandi
- SYSBIO Centre for Systems Biology, Milano, Italy; Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano, Italy
| | - Marina Vai
- SYSBIO Centre for Systems Biology, Milano, Italy; Dipartimento di Biotecnologie e Bioscienze, Università di Milano-Bicocca, Milano, Italy
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Li C, Shen K, Chu L, Liu P, Song Y, Kang X. Decreased levels of urinary free amino acids in children with autism spectrum disorder. J Clin Neurosci 2018; 54:45-49. [PMID: 29853226 DOI: 10.1016/j.jocn.2018.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Revised: 04/09/2018] [Accepted: 05/17/2018] [Indexed: 11/26/2022]
Abstract
Autism spectrum disorder (ASD) is a range of neurodevelopmental problems without certain causes. Conventional diagnostic or screening tools for ASD rely on the observation of children's behavioral presentations. Novel methods are focused on the alterations of some important biochemical matters in ASD patients, which are applicable in the screening for ASD. This study investigated and compared amino acids in the first morning urine from age and sex matched ASD and non-ASD children using high performance liquid chromatography. Significantly lower urinary free methionine, phenylalanine, valine, tryptophan, and leucine plus isoleucine were observed in ASD children. The effects of using urinary free amino acids (UFAAs) singly or conjointly to classify participants into ASD or control group were analyzed and compared. ROC curves on these UFAAs singly in classification performed the sensitivity of 0.593-0.889 and the specificity of 0.704-0.963. Binary-logistic regression analysis of these UFAAs obtained a final regression model comprised of urinary free valine and tryptophan. The ROC curve established by the linear combination of the two amino acids achieved a sensitivity of 0.926 and a specificity of 0.889, which showed superiority to single UFAA and comparability to existing diagnostic or screening tools. It was suggested that the multivariate model based on UFAAs was possibly applicable in screening for children at higher risk of ASD.
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Affiliation(s)
- Chen Li
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, China
| | - Kangwei Shen
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, China
| | - Lanling Chu
- School of Public Health, Southeast University, China
| | - Ping Liu
- Division of Child Care, Suzhou Municipal Hospital, China
| | - Yuan Song
- Division of Child Care, Suzhou Municipal Hospital, China
| | - Xuejun Kang
- Key Laboratory of Child Development and Learning Science of Ministry of Education of China, School of Biological Sciences and Medical Engineering, Southeast University, China.
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