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Lu TL, Zheng AC, Suzuki K, Lu CC, Wang CY, Fang SH. Supplementation of L-glutamine enhanced mucosal immunity and improved hormonal status of combat-sport athletes. J Int Soc Sports Nutr 2024; 21:2300259. [PMID: 38193521 PMCID: PMC10783826 DOI: 10.1080/15502783.2023.2300259] [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: 06/21/2023] [Accepted: 12/21/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND Maintaining proper immune function and hormone status is important for athletes to avoid upper respiratory tract infection (URTI) and insufficient recovery, which is detrimental to sport performance and health. The aim of this study was to evaluate whether three-week supplementation of L-glutamine could benefit the mucosal immunity and hormonal status of combat-sport athletes as well as their rates of upper respiratory tract infection (URTI) and subjective feelings of well-being after intensive training. METHODS Twenty-one combat-sport athletes from the National Taiwan University of Sport were recruited in this study. After intensive training, two groups of the participants were asked to consume powder form of 0.3 g/kg body weight of L-glutamine (GLU group) or maltodextrin (PLA group) with drinking water in a randomized design at the same time every day during 3 weeks. Saliva samples were collected to measure immunoglobulin A (IgA), nitric oxide (NO), testosterone (T) and cortisol (C) before and after three-week supplementation; moreover, Hooper's index questionnaires were completed for wellness assessment. The incidence and duration of URTI were recorded by using a health checklist throughout the entire study period. RESULTS Supplementation of L-glutamine significantly enhanced the concentrations of IgA and NO in saliva; additionally, the incidence of URTI was significantly reduced. Regarding hormones, T concentration was significantly decreased in the PLA group, whereas C concentration was significantly increased, resulting in a significant decrease of T/C ratio. In contrast, the GLU group showed a significant increase of T/C ratio, while the mood scores of the Hooper's index questionnaire were higher in the PLA group. CONCLUSIONS Three-week supplementation of L-glutamine after intensive training enhanced the mucosal immunity, improved hormonal status and reduced the rate of URTI of combat-sport athletes while feelings of well-being were also enhanced. Therefore, L-glutamine would be beneficial for the sports performance and recovery of athletes.
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Affiliation(s)
- Tung-Lin Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | - Ai-Chi Zheng
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | | | - Chi-Cheng Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | - Chung-Yuan Wang
- Department of Combat Sports, National Taiwan University of Sport, Taichung, Taiwan
| | - Shih-Hua Fang
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
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2
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Li G, Li Z, Liu J. Amino acids regulating skeletal muscle metabolism: mechanisms of action, physical training dosage recommendations and adverse effects. Nutr Metab (Lond) 2024; 21:41. [PMID: 38956658 PMCID: PMC11220999 DOI: 10.1186/s12986-024-00820-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 06/24/2024] [Indexed: 07/04/2024] Open
Abstract
Maintaining skeletal muscle mass is important for improving muscle strength and function. Hence, maximizing lean body mass (LBM) is the primary goal for both elite athletes and fitness enthusiasts. The use of amino acids as dietary supplements is widespread among athletes and physically active individuals. Extensive literature analysis reveals that branched-chain amino acids (BCAA), creatine, glutamine and β-alanine may be beneficial in regulating skeletal muscle metabolism, enhancing LBM and mitigating exercise-induced muscle damage. This review details the mechanisms of these amino acids, offering insights into their efficacy as supplements. Recommended dosage and potential side effects are then outlined to aid athletes in making informed choices and safeguard their health. Lastly, limitations within the current literature are addressed, highlighting opportunities for future research.
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Affiliation(s)
- Guangqi Li
- School of Physical Education, Northeast Normal university, No. 5268, Renmin Street, Changchun city, Jilin province, 130024, People's Republic of China
| | - Zhaojun Li
- Gaomi Municipal Center for Disease Control and Prevention, Gaomi city, Shandong, People's Republic of China
| | - Junyi Liu
- School of Physical Education, Northeast Normal university, No. 5268, Renmin Street, Changchun city, Jilin province, 130024, People's Republic of China.
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Duttagupta S, Krishna Roy N, Dey G. Efficacy of amino acids in sports nutrition- review of clinical evidences. Food Res Int 2024; 187:114311. [PMID: 38763626 DOI: 10.1016/j.foodres.2024.114311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/15/2024] [Accepted: 04/16/2024] [Indexed: 05/21/2024]
Abstract
The efficacy of amino acids as popular sports supplements has triggered debates, with their impact on athletic performance varying across sports disciplines due to diversity and heterogeneity in clinical trials. This review evaluates the ergogenic potential of amino acids, by critical appraisal of results of clinical trials of Branched chain amino acids (BCAAs), arginine, glutamine, citrulline, β-alanine, and taurine, performed on elite sportsmen from various land and water sports. Clinical trials reviewed here confirm notable physiological benefits thereby supporting the claim that BCAA, citrulline and arginine in various doses can have positive effects on endurance and overall performance in sportsperson. Furthermore, results of clinical trials and metabolomic studies indicate that in future it would be more beneficial to design precise formulations to target the requirement of specific sports. For instance, some combinations of amino acids may be more suitable for long term endurance and some others may be suitable for short burst of excessive energy. The most important insights from this review are the identification of three key areas where research is urgently needed: a) Biomarkers that can identify the physiological end points and to distinguish the specific role of amino acid as anti-fatigue or reducing muscle soreness or enhancing energy b) In-depth sports-wise clinical trials on elite sportsperson to understand the ergogenic needs for the particular sports c) Design of precision formula for similar types of sports instead of common supplements.
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Affiliation(s)
- Sreya Duttagupta
- School of Biotechnology, KIIT-Deemed to be University, Bhubaneswar 751024, India
| | - Niladri Krishna Roy
- School of Biotechnology, KIIT-Deemed to be University, Bhubaneswar 751024, India
| | - Gargi Dey
- School of Biotechnology, KIIT-Deemed to be University, Bhubaneswar 751024, India.
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4
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Yu T, Hu T, Na K, Zhang L, Lu S, Guo X. Glutamine-derived peptides: Current progress and future directions. Compr Rev Food Sci Food Saf 2024; 23:e13386. [PMID: 38847753 DOI: 10.1111/1541-4337.13386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 04/25/2024] [Accepted: 05/18/2024] [Indexed: 06/13/2024]
Abstract
Glutamine, the most abundant amino acid in the body, plays a critical role in preserving immune function, nitrogen balance, intestinal integrity, and resistance to infection. However, its limited solubility and instability present challenges for its use a functional nutrient. Consequently, there is a preference for utilizing glutamine-derived peptides as an alternative to achieve enhanced functionality. This article aims to review the applications of glutamine monomers in clinical, sports, and enteral nutrition. It compares the functional effectiveness of monomers and glutamine-derived peptides and provides a comprehensive assessment of glutamine-derived peptides in terms of their classification, preparation, mechanism of absorption, and biological activity. Furthermore, this study explores the potential integration of artificial intelligence (AI)-based peptidomics and synthetic biology in the de novo design and large-scale production of these peptides. The findings reveal that glutamine-derived peptides possess significant structure-related bioactivities, with the smaller molecular weight fraction serving as the primary active ingredient. These peptides possess the ability to promote intestinal homeostasis, exert hypotensive and hypoglycemic effects, and display antioxidant properties. However, our understanding of the structure-function relationships of glutamine-derived peptides remains largely exploratory at current stage. The combination of AI based peptidomics and synthetic biology presents an opportunity to explore the untapped resources of glutamine-derived peptides as functional food ingredients. Additionally, the utilization and bioavailability of these peptides can be enhanced through the use of delivery systems in vivo. This review serves as a valuable reference for future investigations of and developments in the discovery, functional validation, and biomanufacturing of glutamine-derived peptides in food science.
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Affiliation(s)
- Tianfei Yu
- College of Life Science, South-Central Minzu University, Wuhan City, China
| | - Tianshuo Hu
- College of Life Science, South-Central Minzu University, Wuhan City, China
| | - Kai Na
- College of Life Science, South-Central Minzu University, Wuhan City, China
| | - Li Zhang
- College of Life Science, South-Central Minzu University, Wuhan City, China
| | - Shuang Lu
- College of Life Science, South-Central Minzu University, Wuhan City, China
| | - Xiaohua Guo
- College of Life Science, South-Central Minzu University, Wuhan City, China
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Yang Y, Feng Z, Luo YH, Chen JM, Zhang Y, Liao YJ, Jiang H, Long Y, Wei B. Exercise-Induced Central Fatigue: Biomarkers, and Non-Medicinal Interventions. Aging Dis 2024:AD.2024.0567. [PMID: 39012671 DOI: 10.14336/ad.2024.0567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Accepted: 06/27/2024] [Indexed: 07/17/2024] Open
Abstract
Fatigue, commonly experienced in daily life, is a feeling of extreme tiredness, shortage or lack of energy, exhaustion, and difficulty in performing voluntary tasks. Central fatigue, defined as a progressive failure to voluntarily activate the muscle, is typically linked to moderate- or light-intensity exercise. However, in some instances, high-intensity exercise can also trigger the onset of central fatigue. Exercise-induced central fatigue often precedes the decline in physical performance in well-trained athletes. This leads to a reduction in nerve impulses, decreased neuronal excitability, and an imbalance in brain homeostasis, all of which can adversely impact an athlete's performance and the longevity of their sports career. Therefore, implementing strategies to delay the onset of exercise-induced central fatigue is vital for enhancing athletic performance and safeguarding athletes from the debilitating effects of fatigue. In this review, we discuss the structural basis, measurement methods, and biomarkers of exercise-induced central fatigue. Furthermore, we propose non-pharmacological interventions to mitigate its effects, which can potentially foster improvements in athletes' performances in a healthful and sustainable manner.
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Affiliation(s)
- Ying Yang
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Zhi Feng
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Yu-Hang Luo
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Jue-Miao Chen
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Yu Zhang
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Yi-Jun Liao
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Hui Jiang
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
| | - Yinxi Long
- Department of Neurology, Affiliated Hengyang Hospital of Hunan Normal University &;amp Hengyang Central Hospital, Hengyang, 421001, China
| | - Bo Wei
- Institute of Translational Medicine, School of Basic Medical, Department of Special Medicine, School of Public Health, Hengyang Medical College, University of South China, Hengyang, 421001, China
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Zhang D, Liang G, Gui L, Zheng W, Zeng Y, Liu Y, Li X, Yang Y, Fan R, Lu Y, Hu X, Guan J, Li T, Yang H, Cheng J, Gong M. Nanometabolomics Elucidated Biological Prospective of Mo 4/3B 2-x Nanosheets: Toward Metabolic Reprogramming of Amino Acid Metabolism. ACS APPLIED MATERIALS & INTERFACES 2024; 16:30622-30635. [PMID: 38857197 DOI: 10.1021/acsami.4c02018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Mo4/3B2-x nanosheets are newly developed, and 2D transition metal borides (MBene) were reported in 2021, but there is no report on their further applications and modification; hence, this article sheds light on the significance of potential biological prospects for future biomedical applications. Therefore, elucidation of the biocompatibility, biotoxicology, and bioactivity of Mo4/3B2-x nanosheets has been an urgent need to be fulfilled. Nanometabolomics (also referred as nanomaterials-based metabolomics) was first proposed and utilized in our previous work, which specialized in interpreting nanomaterials-induced metabolic reprogramming through aqueous metabolomics and lipidomics approach. Hence, nanometabolomics could be considered as a novel concept combining nanoscience and metabolomics to provide bioinformation on nanomaterials' biomedical applications. In this work, the safe range of concentration (<50 mg/L) with good biosafety toward human umbilical vein endothelial cells (HUVECs) was discovered. The low concentration (5 mg/L) and high concentration (50 mg/L) of Mo4/3B2-x nanosheets were utilized for the in vitro Mo4/3B2-x-cell interaction. Nanometabolomics has elucidated the biological prospective of Mo4/3B2-x nanosheets via monitoring its biocompatibility and metabolic shift of HUVECs. The results revealed that 50 mg/L Mo4/3B2-x nanosheets could lead to a stronger alteration of amino acid metabolism with disturbance of the corresponding amino acid-related pathways (including amino acid metabolism, amino acid degradation, fatty acid biosynthesis, and lipid biosynthesis and metabolism). These interesting results were closely involved with the oxidative stress and production of excess ROS. This work could be regarded as a pathbreaking study on Mo4/3B2-x nanosheets at a biological level, which also designates their further biochemical, medical, and industrial application and development based on nanometabolomics bioinformation.
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Affiliation(s)
- Dingkun Zhang
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ge Liang
- Metabolomics and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Luolan Gui
- Metabolomics and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wen Zheng
- Metabolomics and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yu Zeng
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yumeng Liu
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xin Li
- Metabolomics and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yin Yang
- Department of Clinical Research Management, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Rong Fan
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR; Chengdu Research Institute, City University of Hong Kong, Hong Kong 999077, China
| | - Yang Lu
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR; Chengdu Research Institute, City University of Hong Kong, Hong Kong 999077, China
| | - Xinyi Hu
- Metabolomics and Proteomics Technology Platform, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Junwen Guan
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tao Li
- Laboratory of Mitochondria and Metabolism, Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hao Yang
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Jingqiu Cheng
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Meng Gong
- Department of Plastic and Burn Surgery, Laboratory of Clinical Proteomics and Metabolomics, Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
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7
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Zhang L, Xu Z, Li Y, Wu KJ, Yu C, Zhu W, Sun DL, Zhu L, Zhou J. Glutamine supplementation improves the activity and immunosuppressive action of induced regulatory T cells in vitro and in vivo. Transpl Immunol 2024; 84:102044. [PMID: 38663757 DOI: 10.1016/j.trim.2024.102044] [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: 10/12/2023] [Revised: 04/04/2024] [Accepted: 04/14/2024] [Indexed: 05/12/2024]
Abstract
BACKGROUND Glutamine is crucial for the activation and efficacy of T cells, and may play a role in regulating the immune environment. This study aimed to investigate the potential role of glutamine in the activation and proliferation of induced regulatory T cells (iTregs). METHODS CD4+CD45RA+T cells were sorted from peripheral blood mononuclear cells and cultured to analyze iTreg differentiation. Glutamine was then added to the culture system to evaluate the effects of glutamine on iTregs by determining oxidative phosphorylation (OXPHOS), apoptosis, and cytokine secretion. Additionally, a humanized murine graft-versus-host disease (GVHD) model was constructed to confirm the efficacy of glutamine-treated iTregs in vivo. RESULTS After being cultured in vitro, glutamine significantly enhanced the levels of Foxp3, CTLA-4, CD39, CD69, IL-10, TGF-β, and Ki67 (CTLA-4, IL-10, TGF-β are immunosuppressive markers of iTregs) compared with that of the control iTregs (P < 0.05). Furthermore, the growth curve showed that the proliferative ability of glutamine-treated iTregs was better than that of the control iTregs (P < 0.01). Compared with the control iTregs, glutamine supplementation significantly increased oxygen consumption rates and ATP production (P < 0.05), significantly downregulated Annexin V and Caspase 3, and upregulated BCL2 (P < 0.05). However, GPNA significantly reversed the effects of glutamine (P < 0.05). Finally, a xeno-GVHD mouse model was successfully established to confirm that glutamine-treated iTregs increased the mice survival rate, delayed weight loss, and alleviated colon injury. CONCLUSION Glutamine supplementation can improve the activity and immunosuppressive action of iTregs, and the possible mechanisms by which this occurs are related to cell proliferation, apoptosis, and OXPHOS.
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Affiliation(s)
- Li Zhang
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China; Liyang People's Hospital, Liyang 213300, China
| | - Zhongya Xu
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yuanjiu Li
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China
| | - Ke-Jia Wu
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China
| | - Chongyuan Yu
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China
| | - Wenjie Zhu
- Kangda College of Nanjing Medical University, Nanjing, China
| | - Dong-Lin Sun
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China.
| | - Li Zhu
- The Third Affiliated Hospital of Soochow University, Changzhou 213000, China.
| | - Jun Zhou
- Children's Hospital of Nanjing Medical University, Nanjing, China.
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Bellanti F, Lo Buglio A, Pannone G, Pedicillo MC, De Stefano IS, Pignataro A, Capurso C, Vendemiale G. An Amino Acid Mixture to Counteract Skeletal Muscle Atrophy: Impact on Mitochondrial Bioenergetics. Int J Mol Sci 2024; 25:6056. [PMID: 38892242 PMCID: PMC11173258 DOI: 10.3390/ijms25116056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/22/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Skeletal muscle atrophy (SMA) is caused by a rise in muscle breakdown and a decline in protein synthesis, with a consequent loss of mass and function. This study characterized the effect of an amino acid mixture (AA) in models of SMA, focusing on mitochondria. C57/Bl6 mice underwent immobilization of one hindlimb (I) or cardiotoxin-induced muscle injury (C) and were compared with controls (CTRL). Mice were then administered AA in drinking water for 10 days and compared to a placebo group. With respect to CTRL, I and C reduced running time and distance, along with grip strength; however, the reduction was prevented by AA. Tibialis anterior (TA) muscles were used for histology and mitochondria isolation. I and C resulted in TA atrophy, characterized by a reduction in both wet weight and TA/body weight ratio and smaller myofibers than those of CTRL. Interestingly, these alterations were lightly observed in mice treated with AA. The mitochondrial yield from the TA of I and C mice was lower than that of CTRL but not in AA-treated mice. AA also preserved mitochondrial bioenergetics in TA muscle from I and C mice. To conclude, this study demonstrates that AA prevents loss of muscle mass and function in SMA by protecting mitochondria.
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Affiliation(s)
- Francesco Bellanti
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (F.B.); (A.L.B.); (C.C.)
| | - Aurelio Lo Buglio
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (F.B.); (A.L.B.); (C.C.)
| | - Giuseppe Pannone
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (G.P.); (M.C.P.); (I.S.D.S.); (A.P.)
| | - Maria Carmela Pedicillo
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (G.P.); (M.C.P.); (I.S.D.S.); (A.P.)
| | - Ilenia Sara De Stefano
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (G.P.); (M.C.P.); (I.S.D.S.); (A.P.)
| | - Angela Pignataro
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (G.P.); (M.C.P.); (I.S.D.S.); (A.P.)
| | - Cristiano Capurso
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (F.B.); (A.L.B.); (C.C.)
| | - Gianluigi Vendemiale
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (F.B.); (A.L.B.); (C.C.)
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9
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Pradhan R, Dieterich W, Natarajan A, Schwappacher R, Reljic D, Herrmann HJ, Neurath MF, Zopf Y. Influence of Amino Acids and Exercise on Muscle Protein Turnover, Particularly in Cancer Cachexia. Cancers (Basel) 2024; 16:1921. [PMID: 38791998 PMCID: PMC11119313 DOI: 10.3390/cancers16101921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/15/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024] Open
Abstract
Cancer cachexia is a multifaceted syndrome that impacts individuals with advanced cancer. It causes numerous pathological changes in cancer patients, such as inflammation and metabolic dysfunction, which further diminish their quality of life. Unfortunately, cancer cachexia also increases the risk of mortality in affected individuals, making it an important area of focus for cancer research and treatment. Several potential nutritional therapies are being tested in preclinical and clinical models for their efficacy in improving muscle metabolism in cancer patients. Despite promising results, no special nutritional therapies have yet been validated in clinical practice. Multiple studies provide evidence of the benefits of increasing muscle protein synthesis through an increased intake of amino acids or protein. There is also increasing evidence that exercise can reduce muscle atrophy by modulating protein synthesis. Therefore, the combination of protein intake and exercise may be more effective in improving cancer cachexia. This review provides an overview of the preclinical and clinical approaches for the use of amino acids with and without exercise therapy to improve muscle metabolism in cachexia.
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Affiliation(s)
- Rashmita Pradhan
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Walburga Dieterich
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Anirudh Natarajan
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Raphaela Schwappacher
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Dejan Reljic
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Hans J. Herrmann
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
| | - Yurdagül Zopf
- Department of Medicine, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany; (R.P.); (W.D.); (A.N.); (R.S.); (D.R.); (H.J.H.); (M.F.N.)
- Hector-Center for Nutrition, Exercise and Sports, Department of Medicine 1, Friedrich-Alexander University Erlangen-Nürnberg, 91054 Erlangen, Germany
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10
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Mallardo M, Daniele A, Musumeci G, Nigro E. A Narrative Review on Adipose Tissue and Overtraining: Shedding Light on the Interplay among Adipokines, Exercise and Overtraining. Int J Mol Sci 2024; 25:4089. [PMID: 38612899 PMCID: PMC11012884 DOI: 10.3390/ijms25074089] [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: 03/18/2024] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
Lifestyle factors, particularly physical inactivity, are closely linked to the onset of numerous metabolic diseases. Adipose tissue (AT) has been extensively studied for various metabolic diseases such as obesity, type 2 diabetes, and immune system dysregulation due to its role in energy metabolism and regulation of inflammation. Physical activity is increasingly recognized as a powerful non-pharmacological tool for the treatment of various disorders, as it helps to improve metabolic, immune, and inflammatory functions. However, chronic excessive training has been associated with increased inflammatory markers and oxidative stress, so much so that excessive training overload, combined with inadequate recovery, can lead to the development of overtraining syndrome (OTS). OTS negatively impacts an athlete's performance capabilities and significantly affects both physical health and mental well-being. However, diagnosing OTS remains challenging as the contributing factors, signs/symptoms, and underlying maladaptive mechanisms are individualized, sport-specific, and unclear. Therefore, identifying potential biomarkers that could assist in preventing and/or diagnosing OTS is an important objective. In this review, we focus on the possibility that the endocrine functions of AT may have significant implications in the etiopathogenesis of OTS. During physical exercise, AT responds dynamically, undergoing remodeling of endocrine functions that influence the production of adipokines involved in regulating major energy and inflammatory processes. In this scenario, we will discuss exercise about its effects on AT activity and metabolism and its relevance to the prevention and/or development of OTS. Furthermore, we will highlight adipokines as potential markers for diagnosing OTS.
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Affiliation(s)
- Marta Mallardo
- Department of Molecular and Biotechnological Medicine, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
| | - Aurora Daniele
- Department of Molecular and Biotechnological Medicine, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Anatomy, Histology and Movement Sciences Section, School of Medicine, University of Catania, Via S. Sofia 87, 95123 Catania, Italy
- Research Center on Motor Activities (CRAM), University of Catania, 95123 Catania, Italy
| | - Ersilia Nigro
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
- Department of Pharmaceutical, Biological, Environmental Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via G. Vivaldi 42, 81100 Caserta, Italy
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11
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Lu X, Wang M, Yue H, Feng X, Tian Y, Xue C, Zhang T, Wang Y. Novel peptides from sea cucumber intestines hydrolyzed by neutral protease alleviate exercise-induced fatigue via upregulating the glutaminemediated Ca 2+ /Calcineurin signaling pathway in mice. J Food Sci 2024; 89:1727-1738. [PMID: 38258958 DOI: 10.1111/1750-3841.16934] [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: 09/06/2023] [Revised: 12/15/2023] [Accepted: 12/24/2023] [Indexed: 01/24/2024]
Abstract
Sea cucumber intestines are considered a valuable resource in the sea cucumber processing industry due to their balanced amino acid composition. Studies have reported that peptides rich in glutamate and branched-chain amino acids have anti-fatigue properties. However, the function of the sea cucumber intestine in reducing exercise-induced fatigue remains unclear. In this study, we enzymatically hydrolyzed low molecular weight peptides from sea cucumber intestines (SCIP) and administered SCIP orally to mice to examine its effects on exercise-induced fatigue using swimming and pole-climbing exhaustion experiments. The results revealed that supplementation with SCIP significantly prolonged the exhaustion time of swimming in mice, decreased blood lactate and urea nitrogen levels, and increased liver and muscle glycogen levels following a weight-loaded swimming test. Immunofluorescence analysis indicated a notable increase the proportion of slow-twitch muscle fiber and a significant decrease the proportion of fast-twitch muscle fiber following SCIP supplementation. Furthermore, SCIP upregulated mRNA expression levels of Ca2+ /Calcineurin upstream and downstream regulators, thereby contributing to the promotion of skeletal muscle fiber type conversion. This study presents the initial evidence establishing SCIP as a potential enhancer of skeletal muscle fatigue resistance, consequently providing a theoretical foundation for the valuable utilization of sea cucumber intestines.
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Affiliation(s)
- Xutong Lu
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Meng Wang
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Hao Yue
- Institute of Food & Nutrition Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, P. R. China
| | - Xiaoxuan Feng
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Yingying Tian
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Changhu Xue
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Tiantian Zhang
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
| | - Yuming Wang
- SKL of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao, P. R. China
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12
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Zetterman T, Nieminen AI, Markkula R, Kalso E, Lötsch J. Machine learning identifies fatigue as a key symptom of fibromyalgia reflected in tyrosine, purine, pyrimidine, and glutaminergic metabolism. Clin Transl Sci 2024; 17:e13740. [PMID: 38411371 PMCID: PMC10897869 DOI: 10.1111/cts.13740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/15/2024] [Accepted: 01/28/2024] [Indexed: 02/28/2024] Open
Abstract
Fibromyalgia patients vary in clinical phenotype and treatment can be challenging. The pathophysiology of fibromyalgia is incompletely understood but appears to involve metabolic changes at rest or in response to stress. We enrolled 54 fibromyalgia patients and 31 healthy controls to this prospective study. Symptoms were assessed using the Fibromyalgia Impact Questionnaire (FIQ) and blood samples were collected for metabolomics analysis at baseline and after an oral glucose tolerance test and a cardiopulmonary exercise test. We identified key symptoms of fibromyalgia and related them to changes in metabolic pathways with supervised and unsupervised machine learning methods. Algorithms trained with the FIQ information assigned the fibromyalgia diagnosis in new data with balanced accuracy of 88% while fatigue alone already provided the diagnosis with 86% accuracy. Supervised analyses reduced the metabolomic information from 77 to 13 key markers. With these metabolites, fibromyalgia could be identified in new cases with 79% accuracy. In addition, 5-hydroxyindole-3-acetic acid and glutamine levels correlated with the severity of fatigue. Patients differed from controls at baseline in tyrosine and purine pathways, and in the pyrimidine pathway after the stress challenges. Several key markers are involved in glutaminergic neurotransmission. This data-driven analysis highlights fatigue as a key symptom of fibromyalgia. Fibromyalgia is associated with metabolic changes which also reflect the degree of fatigue. Responses to metabolic and physical stresses result in a metabolic pattern that allows discrimination of fibromyalgia patients from controls and narrows the focus on key pathophysiological processes in fibromyalgia as treatment targets.
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Affiliation(s)
- Teemu Zetterman
- Department of Anaesthesiology, Intensive Care and Pain MedicineHelsinki University Hospital and University of HelsinkiHelsinkiFinland
- Wellbeing Services County of Vantaa and KeravaVantaa and KeravaFinland
- Department of General Practice and Primary Health Care, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
| | - Anni I. Nieminen
- FIMM Metabolomics UnitInstitute for Molecular Medicine Finland, University of HelsinkiHelsinkiFinland
| | - Ritva Markkula
- Department of Anaesthesiology, Intensive Care and Pain MedicineHelsinki University Hospital and University of HelsinkiHelsinkiFinland
| | - Eija Kalso
- Department of Anaesthesiology, Intensive Care and Pain MedicineHelsinki University Hospital and University of HelsinkiHelsinkiFinland
- SleepWell Research Programme, Faculty of MedicineUniversity of HelsinkiHelsinkiFinland
| | - Jörn Lötsch
- Institute of Clinical Pharmacology, Goethe‐UniversityFrankfurt am MainGermany
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP)Frankfurt am MainGermany
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13
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Lu TL, He CS, Suzuki K, Lu CC, Wang CY, Fang SH. Concurrent Ingestion of Alkaline Water and L-Glutamine Enhanced Salivary α-Amylase Activity and Testosterone Concentration in Boxing Athletes. Nutrients 2024; 16:454. [PMID: 38337738 PMCID: PMC10857026 DOI: 10.3390/nu16030454] [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: 12/13/2023] [Revised: 01/23/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024] Open
Abstract
Athletes often take sport supplements to reduce fatigue and immune disturbances during or after training. This study evaluated the acute effects of concurrent ingestion of alkaline water and L-glutamine on the salivary immunity and hormone responses of boxers after training. Twelve male boxing athletes were recruited in this study. During regular training, the participants were randomly divided into three groups and asked to consume 400 mL of alkaline water (Group A), 0.15 g/kg body weight of L-glutamine with 400 mL of water (Group G), and 0.15 g/kg of L-glutamine with 400 mL of alkaline water (Group A+G) at the same time each day for three consecutive weeks. Before and immediately after the training, saliva, heart rates, and the rate of perceived exertion were investigated. The activity of α-amylase and concentrations of lactoferrin, immunoglobulin A (IgA), testosterone, and cortisol in saliva were measured. The results showed that the ratio of α-amylase activity/total protein (TP) significantly increased after training in Group A+G but not in Group A or G, whereas the ratios of lactoferrin/TP and IgA/TP were unaffected in all three groups. The concentrations of salivary testosterone after training increased significantly in Group A+G but not in Group A or G, whereas the salivary cortisol concentrations were unaltered in all groups. In conclusion, concurrent ingestion of 400 mL of alkaline water and 0.15 g/kg of L-glutamine before training enhanced the salivary α-amylase activity and testosterone concentration of boxers, which would be beneficial for post-exercise recovery.
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Affiliation(s)
- Tung-Lin Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
| | - Cheng-Shiun He
- Department of Athletic Sports, National Chung Cheng University, Minxiong 621301, Taiwan;
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan;
| | - Chi-Cheng Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
| | - Chung-Yuan Wang
- Department of Combat Sports, National Taiwan University of Sport, Taichung 404401, Taiwan;
| | - Shih-Hua Fang
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
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14
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la Torre ME, Monda A, Messina A, de Stefano MI, Monda V, Moscatelli F, Tafuri F, Saraiello E, Latino F, Monda M, Messina G, Polito R, Tafuri D. The Potential Role of Nutrition in Overtraining Syndrome: A Narrative Review. Nutrients 2023; 15:4916. [PMID: 38068774 PMCID: PMC10708264 DOI: 10.3390/nu15234916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/13/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Competition between athletes and an increase in sporting knowledge have greatly influenced training methods while increasing the number of them more and more. As a result, the number of athletes who have increased the number and intensity of their workouts while decreasing recovery times is rising. Positive overtraining could be considered a natural and fundamental process when the result is adaptation and improved performance; however, in the absence of adequate recovery, negative overtraining could occur, causing fatigue, maladaptation, and inertia. One of the earliest forms of fatigue is overreaching. It is considered to be an accumulation of training that leads to reduced sports performance, requiring days or weeks to recover. Overreaching, if followed by adequate recovery, can lead to an increase in athletic performance. Nonetheless, if overreaching becomes extreme, combined with additional stressors, it could lead to overtraining syndrome (OTS). OTS, caused by systemic inflammation, leads to central nervous system (CNS) effects, including depressed mood, further inflammation, central fatigue, and ultimately neurohormonal changes. There are therefore not only physiological, biochemical, and immunological but also psychological symptoms or markers that must be considered, independently or together, being intrinsically linked with overtraining, to fully understand OTS. However, to date, there are very few published studies that have analyzed how nutrition in its specific food aspects, if compromised during OTS, can be both etiology and consequence of the syndrome. To date, OTS has not yet been fully studied, and the topic needs further research. The purpose of this narrative review is therefore to study how a correct diet and nutrition can influence OTS in all its aspects, from prevention to treatment.
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Affiliation(s)
- Maria Ester la Torre
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (M.E.l.T.); (M.I.d.S.); (G.M.)
| | - Antonietta Monda
- Department of Experimental Medicine, Section of Human Physiology, Unit of Dietetics and Sports Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (A.M.); (M.M.)
| | - Antonietta Messina
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Maria Ida de Stefano
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (M.E.l.T.); (M.I.d.S.); (G.M.)
| | - Vincenzo Monda
- Department of Economics, Law, Cybersecurity, and Sports Sciences, University of Naples “Parthenope”, 80131 Naples, Italy; (V.M.); (E.S.); (D.T.)
| | - Fiorenzo Moscatelli
- Department of Human Sciences, Telematic University Pegaso, 80100 Naples, Italy; (F.M.); (F.L.)
| | - Francesco Tafuri
- Heracle Lab Research in Educational Neuroscience, Niccolò Cusano University, 00166 Roma, Italy;
| | - Emma Saraiello
- Department of Economics, Law, Cybersecurity, and Sports Sciences, University of Naples “Parthenope”, 80131 Naples, Italy; (V.M.); (E.S.); (D.T.)
| | - Francesca Latino
- Department of Human Sciences, Telematic University Pegaso, 80100 Naples, Italy; (F.M.); (F.L.)
| | - Marcellino Monda
- Department of Experimental Medicine, Section of Human Physiology, Unit of Dietetics and Sports Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (A.M.); (M.M.)
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (M.E.l.T.); (M.I.d.S.); (G.M.)
| | - Rita Polito
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (M.E.l.T.); (M.I.d.S.); (G.M.)
| | - Domenico Tafuri
- Department of Economics, Law, Cybersecurity, and Sports Sciences, University of Naples “Parthenope”, 80131 Naples, Italy; (V.M.); (E.S.); (D.T.)
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15
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Chen YZ, Rong WT, Qin YC, Lu LY, Liu J, Li MJ, Xin L, Li XD, Guan DL. Integrative analysis of microbiota and metabolomics in chromium-exposed silkworm ( Bombyx mori) midguts based on 16S rDNA sequencing and LC/MS metabolomics. Front Microbiol 2023; 14:1278271. [PMID: 37954243 PMCID: PMC10635416 DOI: 10.3389/fmicb.2023.1278271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/27/2023] [Indexed: 11/14/2023] Open
Abstract
The gut microbiota, a complex ecosystem integral to host wellbeing, is modulated by environmental triggers, including exposure to heavy metals such as chromium. This study aims to comprehensively explore chromium-induced gut microbiota and metabolomic shifts in the quintessential lepidopteran model organism, the silkworm (Bombyx mori). The research deployed 16S rDNA sequence analysis and LC/MS metabolomics in its experimental design, encompassing a control group alongside low (12 g/kg) and high (24 g/kg) feeding chromium dosing regimens. Considerable heterogeneity in microbial diversity resulted between groups. Weissella emerged as potentially resilient to chromium stress, while elevated Propionibacterium was noted in the high chromium treatment group. Differential analysis tools LEfSe and random forest estimation identified key species like like Cupriavidus and unspecified Myxococcales, offering potential avenues for bioremediation. An examination of gut functionality revealed alterations in the KEGG pathways correlated with biosynthesis and degradation, suggesting an adaptive metabolic response to chromium-mediated stress. Further results indicated consequential fallout in the context of metabolomic alterations. These included an uptick in histidine and dihydropyrimidine levels under moderate-dose exposure and a surge of gentisic acid with high-dose chromium exposure. These are critical players in diverse biological processes ranging from energy metabolism and stress response to immune regulation and antioxidative mechanisms. Correlative analyses between bacterial abundance and metabolites mapped noteworthy relationships between marker bacterial species, such as Weissella and Pelomonas, and specific metabolites, emphasizing their roles in enzyme regulation, synaptic processes, and lipid metabolism. Probiotic bacteria showed robust correlations with metabolites implicated in stress response, lipid metabolism, and antioxidant processes. Our study reaffirms the intricate ties between gut microbiota and metabolite profiles and decodes some systemic adaptations under heavy-metal stress. It provides valuable insights into ecological and toxicological aspects of chromium exposure that can potentially influence silkworm resilience.
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Affiliation(s)
- Ya-Zhen Chen
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Wan-Tao Rong
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Ying-Can Qin
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Lin-Yuan Lu
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Jing Liu
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Ming-Jie Li
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Lei Xin
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - Xiao-Dong Li
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
| | - De-Long Guan
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, Hechi University, Hechi, China
- Guangxi Collaborative Innovation Center of Modern Sericulture and Silk, Hechi University, Hechi, China
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16
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Moldovan OL, Vari CE, Tero-Vescan A, Cotoi OS, Cocuz IG, Tabaran FA, Pop R, Fülöp I, Chis RF, Lungu IA, Rusu A. Potential Defence Mechanisms Triggered by Monosodium Glutamate Sub-Chronic Consumption in Two-Year-Old Wistar Rats. Nutrients 2023; 15:4436. [PMID: 37892513 PMCID: PMC10610236 DOI: 10.3390/nu15204436] [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: 09/18/2023] [Revised: 10/15/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Monosodium glutamate (MSG) is the sodium salt of glutamic acid (GLA), used as a flavour enhancer. MSG is considered a controversial substance. It is incriminated in disturbing the antioxidant system, but also has beneficial effects, as GLA metabolism plays a crucial role in homeostasis. This study highlights which positive or negative aspects of MSG sub-chronic consumption are better reflected in subjects potentially affected by advanced age. Daily doses of MSG were administered to four groups of two-year-old Wistar rats for 90 days: (I) 185 mg/kg bw, (II) 1500 mg/kg bw, (III) 3000 mg/kg bw and (IV) 6000 mg/kg bw, compared to a MSG non-consumer group. Aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, direct and total bilirubin, total cholesterol, triglycerides, creatinine and urea levels were analysed; stomach, liver and kidney samples were subjected to histopathological analysis. Although, in most cases, there were no statistical differences, interesting aspects of the dose-effect relationship were observed. After MSG sub-chronic consumption, the positive aspects of GLA seem to be reflected better than the negative ones. The hormesis effect, with low-level reactive oxygen species' protective effects and GLA metabolism, may represent the hypothesis of a potential defence mechanism triggered by MSG sub-chronic consumption in ageing rats.
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Affiliation(s)
- Octavia-Laura Moldovan
- Medicine and Pharmacy Doctoral School, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Camil-Eugen Vari
- Pharmacology and Clinical Pharmacy Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Amelia Tero-Vescan
- Medical Chemistry and Biochemistry Department, Faculty of Medicine in English, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Ovidiu Simion Cotoi
- Pathophysiology Department, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania; (O.S.C.); (I.G.C.)
- Pathology Department, Mures Clinical County Hospital, 540011 Targu Mures, Romania
| | - Iuliu Gabriel Cocuz
- Pathophysiology Department, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania; (O.S.C.); (I.G.C.)
- Pathology Department, Mures Clinical County Hospital, 540011 Targu Mures, Romania
| | - Flaviu Alexandru Tabaran
- Department of Pathology, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372 Cluj-Napoca, Romania; (F.A.T.); (R.P.)
| | - Romelia Pop
- Department of Pathology, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 400372 Cluj-Napoca, Romania; (F.A.T.); (R.P.)
| | - Ibolya Fülöp
- Toxicology and Biopharmacy Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Rafael Florin Chis
- Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Ioana-Andreea Lungu
- Medicine and Pharmacy Doctoral School, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Aura Rusu
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
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17
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Yan L, Fang YX, Lu EQ, Xu E, Zhang YY, Chen X, Zhu M. Extracellular Glutamine Promotes Intestinal Porcine Epithelial Cell Proliferation via Arf1-mTORC1 Pathway Independently of Rag GTPases. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14251-14262. [PMID: 37738360 DOI: 10.1021/acs.jafc.3c00339] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Glutamine (Gln) is the major energy source of intestinal porcine epithelial cells (IPEC-J2 cells) and plays a critical role in the nutritional physiological function of the intestine. However, the underlying mechanism requires further investigation. Here, the Gln-sensing pathway in IPEC-J2 cells was investigated. The results showed that Gln increased the cell proliferation. Subsequently, an analysis of the phosphorylated proteome revealed that Gln markedly upregulated ribosomal protein S6 (RPS6) phosphorylation at serine 235/236, suggesting that Gln activated the mTORC1 pathway. mTOR inhibition revealed that Gln promotes cell proliferation through the mTORC1 pathway. Similarly, blocking ADP-ribosylation factor 1 (Arf1) activity indicated that Gln-induced mTORC1 activation promoted cell proliferation in an Arf1-dependent manner. Additionally, the RagA/B pathway did not participate in Gln-induced mTORC1 activation. Collectively, these findings suggest that Gln-induced mTORC1 activation promotes IPEC-J2 cell proliferation via Arf1, not Rag GTPases. These results broaden our understanding of functional-cell-sensing amino acids, particularly Gln, that are regulated by mTORC1.
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Affiliation(s)
- Ling Yan
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
- Institute of Animal Nutrition and Feed Science, Guizhou University, Guiyang 550025, China
| | - Yong-Xia Fang
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
- Institute of Animal Nutrition and Feed Science, Guizhou University, Guiyang 550025, China
| | - En-Qing Lu
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
- Institute of Animal Nutrition and Feed Science, Guizhou University, Guiyang 550025, China
| | - E Xu
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
- Institute of Animal Nutrition and Feed Science, Guizhou University, Guiyang 550025, China
| | - Yi-Yu Zhang
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
| | - Xiang Chen
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
| | - Min Zhu
- Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, College of Animal Science, Guizhou University, Guiyang 550025, Guizhou Province China
- Institute of Animal Nutrition and Feed Science, Guizhou University, Guiyang 550025, China
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Juan S, Lee JH, Won SJ, Oh S, Ha MS. Effect of Saengmaeksan on Fatigue, Liver Function, and Immunity Combined with High-Intensity Training. J Immunol Res 2023; 2023:3269293. [PMID: 37425492 PMCID: PMC10328733 DOI: 10.1155/2023/3269293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 03/08/2023] [Accepted: 03/24/2023] [Indexed: 07/11/2023] Open
Abstract
Saengmaeksan (SMS) is a traditional drink that consists of three natural herbs, Lirio platyphlla, Panax ginseng, and Schisandra chinensis, and improves fatigue, liver function, and immunity. Moderate-intensity exercise has a positive effect on fatigue, liver function, and immune function, whereas long-term high-intensity training has a negative effect on these aspects. We hypothesized that SMS intake will improve fatigue (ammonia, lactic acid), liver function (aspartate transaminidase (AST) and alanine aminotransferase (ALT)), and immunity (IgA, IgG, IgM) with high-intensity training. To investigate this hypothesis, 17 male college tennis players were randomly assigned to SMS and placebo groups with high-intensity training. SMS and placebo were consumed in 110 mL doses for a total of 770 mL. High-intensity training was performed at 70%-90% of heart rate reserve, conducted five times weekly for 4 weeks. A significant interaction effect was observed between the SMS and control (CON) groups regarding ammonia, ALT, and IgA levels. Ammonia levels significantly decreased in the SMS group, but there was no difference in the lactic acid levels. AST significantly decreased in the SMS group. IgA significantly increased in the SMS group, IgM significantly decreased in both groups, but there was no change in IgG. The correlation analysis revealed positive correlation in ΔAST vs. ΔALT, ΔALT vs. ΔIgG, and ΔIgA vs. ΔIgG in the SMS group. These findings demonstrate that SMS intake can reduce ammonia, AST, ALT, and IgM levels, while causing an increase in IgA, which has a positive effect on fatigue reduction, liver function, and immunoglobulins in a high-intensity training or related environment.
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Affiliation(s)
- Shi Juan
- Xi'an FanYi University, Shaanxi 710105, China
| | - Jae-Hoon Lee
- Department of Sports Science, College of the Arts and Sports, University of Seoul, 163 Seoulsiripdaero Dongdaemun-gu, Seoul 02504, Republic of Korea
| | - Se-Jong Won
- Taekwondo Diplomacy, Chungbuk National University of Health Science, 10 Deogam-gil Naesu-eup Cheongwon-gu, Cheongju-si 28644, Chungcheongbuk-do, Republic of Korea
| | - SiYeon Oh
- College of Art and Physical Education, Chosun University, 309 Pilmun-daero Dong-gu, Gwangju 61452, Republic of Korea
| | - Min-Seong Ha
- Department of Sports Science, College of the Arts and Sports, University of Seoul, 163 Seoulsiripdaero Dongdaemun-gu, Seoul 02504, Republic of Korea
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Chen J, Lu X, Chen P, Shen Y, Zheng B, Guo Z. Anti-fatigue effect of glycoprotein from hairtail (Trichiurus lepturus) by-products in a behavioral mouse model. Food Chem X 2023; 18:100645. [PMID: 36968310 PMCID: PMC10034424 DOI: 10.1016/j.fochx.2023.100645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Hairtail (Trichiurus lepturus) is a kind of abundant marine fish, and its by-products contain rich protein resources, which can be better exploited and utilized in the food industry. In this study, the glycoprotein of hairtail by-products (GHB) was extracted using ultrasonic-assisted salt solution extraction with hairtail by-products as the raw material. The anti-fatigue effect of GHB was explored by mouse behavior experiments (shuttle box test, open field test and load swimming test). The results showed that the active escape times of the GHB group increased compared with the blank group in the shuttle box test, and the GHB group stayed in the central area for more time in the open field test. At the same time, the exhaustive swimming time of high-dose-group mice was 122.01% longer than that of the blank control group. GHB can improve the memory learning ability and activity of mice, and exert its anti-fatigue effect by eliminating excessive free radicals, slowing the metabolism of amino acids and proteins, and increasing glycogen reserves. This study provides a theoretical basis for the function mechanism of glycoprotein of hairtail by-products and the development of supplementary material in functional foods.
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Affiliation(s)
- Jiaqi Chen
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Xiaodan Lu
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Peixin Chen
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
| | - Yijie Shen
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
| | - Baodong Zheng
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Zebin Guo
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, PR China
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
- Corresponding author at: College of Food Science, Fujian Agriculture and Forestry University, No. 15, Shangxiadian Road, Cangshan District, Fuzhou City, Fujian Province 350002, PR China.
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Li Y, Liu Y, Liu S, Gao M, Wang W, Chen K, Huang L, Liu Y. Diabetic vascular diseases: molecular mechanisms and therapeutic strategies. Signal Transduct Target Ther 2023; 8:152. [PMID: 37037849 PMCID: PMC10086073 DOI: 10.1038/s41392-023-01400-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 02/19/2023] [Accepted: 02/28/2023] [Indexed: 04/12/2023] Open
Abstract
Vascular complications of diabetes pose a severe threat to human health. Prevention and treatment protocols based on a single vascular complication are no longer suitable for the long-term management of patients with diabetes. Diabetic panvascular disease (DPD) is a clinical syndrome in which vessels of various sizes, including macrovessels and microvessels in the cardiac, cerebral, renal, ophthalmic, and peripheral systems of patients with diabetes, develop atherosclerosis as a common pathology. Pathological manifestations of DPDs usually manifest macrovascular atherosclerosis, as well as microvascular endothelial function impairment, basement membrane thickening, and microthrombosis. Cardiac, cerebral, and peripheral microangiopathy coexist with microangiopathy, while renal and retinal are predominantly microangiopathic. The following associations exist between DPDs: numerous similar molecular mechanisms, and risk-predictive relationships between diseases. Aggressive glycemic control combined with early comprehensive vascular intervention is the key to prevention and treatment. In addition to the widely recommended metformin, glucagon-like peptide-1 agonist, and sodium-glucose cotransporter-2 inhibitors, for the latest molecular mechanisms, aldose reductase inhibitors, peroxisome proliferator-activated receptor-γ agonizts, glucokinases agonizts, mitochondrial energy modulators, etc. are under active development. DPDs are proposed for patients to obtain more systematic clinical care requires a comprehensive diabetes care center focusing on panvascular diseases. This would leverage the advantages of a cross-disciplinary approach to achieve better integration of the pathogenesis and therapeutic evidence. Such a strategy would confer more clinical benefits to patients and promote the comprehensive development of DPD as a discipline.
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Affiliation(s)
- Yiwen Li
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Yanfei Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
- The Second Department of Gerontology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Shiwei Liu
- Department of Nephrology and Endocrinology, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Mengqi Gao
- Department of Nephrology and Endocrinology, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Wenting Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Keji Chen
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Luqi Huang
- China Center for Evidence-based Medicine of TCM, China Academy of Chinese Medical Sciences, Beijing, 100010, China.
| | - Yue Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China.
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Liang X, Li X, Jin Y, Wang Y, Wei C, Zhu Z. Effect of Aerobic Exercise on Intestinal Microbiota with Amino Acids and Short-Chain Fatty Acids in Methamphetamine-Induced Mice. Metabolites 2023; 13:metabo13030361. [PMID: 36984800 PMCID: PMC10055719 DOI: 10.3390/metabo13030361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/19/2023] [Accepted: 02/24/2023] [Indexed: 03/04/2023] Open
Abstract
This study aimed to investigate the changes in intestinal homeostasis and metabolism in mice after methamphetamine (MA) administration and exercise intervention. In this study, male C57BL/B6J mice were selected to establish a model of methamphetamine-induced addiction, and the gut microbiota composition, short-chain fatty acids (SCFAs), and amino acid levels were assessed by 16S rRNA, liquid chromatography–tandem mass spectrometry, and gas chromatography–tandem mass spectrometry, respectively. The results showed that 23 dominant microbiota, 12 amino acids, and 1 SCFA were remarkably higher and 9 amino acids and 6 SCFAs were remarkably lower in the exercise model group than in the control group. Among the top 10 markers with opposite trends between the exercise intervention group and model group, the differential microbiomes included Oscillibacter, Alloprevotella, Colidextribacter, Faecalibaculum, Uncultured, Muribaculaceae, and Negativibacillus; amino acids included proline; and SCFAs included isovaleric acid and pentanoic acid. Proline was negatively correlated with Negativibacillus and positively correlated with pentanoic acid. The results suggested that moderate-intensity aerobic exercise may modulate changes in the composition of the gut microbiota and the levels of amino acids and SCFAs induced by MA administration.
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Affiliation(s)
- Xin Liang
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Xue Li
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
- Correspondence: ; Tel.: +86-135-5014-6822
| | - Yu Jin
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Yi Wang
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Changling Wei
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Zhicheng Zhu
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
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Effect of Glutamine on the Growth Performance, Oxidative Stress, and Nrf2/p38 MAPK Expression in the Livers of Heat-Stressed Broilers. Animals (Basel) 2023; 13:ani13040652. [PMID: 36830439 PMCID: PMC9951748 DOI: 10.3390/ani13040652] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/10/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
The purpose of this work was to study the effects of glutamine (Gln) on the growth performance, oxidative stress, Nrf2, and p38 MAPK pathway in the livers of heat-stressed broilers. In total, 300 broilers were divided into five groups, including a normal temperature (NT, without dietary Gln) group and four cyclic high temperature groups (HT, GHT1, GHT2, and GHT3) fed with 0%, 0.5%, 1.0%, and 1.5% Gln, respectively. High temperature conditions increased (p < 0.05) liver malonaldehyde (MDA) concentration, but decreased (p < 0.05), body weight gain (BWG), feed intake (FI), liver superoxide dismutase (SOD), total antioxidant capacity (T-AOC), glutathione peroxidase (GSH-Px), glutathione S-transferase (GST), and glutathione (GSH) levels in broilers. Nrf2 and p38 MAPK protein and mRNA expression levels were lower (p < 0.05) in the NT group than that in the HT group. However, dietary 1.5% Gln decreased (p < 0.05) liver MDA concentration, but increased (p < 0.05) BWG, FI, liver SOD, T-AOC, GSH-Px, GST, and GSH levels in heat-stressed broilers. Nrf2 and p38 MAPK protein and mRNA expression levels were higher (p < 0.05) in the GHT3 group than that in the HT group. In summary, Gln improved oxidative damage through the activation of Nrf2 and p38 MAPK expression in the livers of heat-stressed broilers.
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Guerrero-Molina MP, Morales-Conejo M, Delmiro A, Morán M, Domínguez-González C, Arranz-Canales E, Ramos-González A, Arenas J, Martín MA, de la Aleja JG. High-dose oral glutamine supplementation reduces elevated glutamate levels in cerebrospinal fluid in patients with mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes syndrome. Eur J Neurol 2023; 30:538-547. [PMID: 36334048 DOI: 10.1111/ene.15626] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 10/07/2022] [Accepted: 10/27/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND PURPOSE Mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (MELAS) syndrome is a genetically heterogeneous disorder caused by mitochondrial DNA mutations. There are no disease-modifying therapies, and treatment remains mainly supportive. It has been shown previously that patients with MELAS syndrome have significantly increased cerebrospinal fluid (CSF) glutamate and significantly decreased CSF glutamine levels compared to controls. Glutamine has many metabolic fates in neurons and astrocytes, and the glutamate-glutamine cycle couples with many metabolic pathways depending on cellular requirements. The aim was to compare CSF glutamate and glutamine levels before and after dietary glutamine supplementation. It is postulated that high-dose oral glutamine supplementation could reduce the increase in glutamate levels. METHOD This open-label, single-cohort study determined the safety and changes in glutamate and glutamine levels in CSF after 12 weeks of oral glutamine supplementation. RESULTS Nine adult patients with MELAS syndrome (66.7% females, mean age 35.8 ± 3.2 years) were included. After glutamine supplementation, CSF glutamate levels were significantly reduced (9.77 ± 1.21 vs. 18.48 ± 1.34 μmol/l, p < 0.001) and CSF glutamine levels were significantly increased (433.66 ± 15.31 vs. 336.31 ± 12.92 μmol/l, p = 0.002). A side effect observed in four of nine patients was a mild sensation of satiety. One patient developed mild and transient elevation of transaminases, and another patient was admitted for an epileptic status without stroke-like episode. DISCUSSION This study demonstrates that high-dose oral glutamine supplementation significantly reduces CSF glutamate and increases CSF glutamine levels in patients with MELAS syndrome. These findings may have potential therapeutic implications in these patients. TRIAL REGISTRATION INFORMATION ClinicalTrials.gov Identifier: NCT04948138. Initial release 24 June 2021, first patient enrolled 1 July 2021. https://clinicaltrials.gov/ct2/show/NCT04948138.
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Affiliation(s)
| | - Montserrat Morales-Conejo
- Department of Internal Medicine, University Hospital, Madrid, Spain
- National Reference Center for Congenital Errors of Metabolism (CSUR) and European Reference Center for Inherited Metabolic Disease (MetabERN), University Hospital, Madrid, Spain
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
| | - Aitor Delmiro
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital '12 de Octubre' ('imas12'), Madrid, Spain
- Research Institute ('imas12'), University Hospital, Madrid, Spain
| | - María Morán
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital '12 de Octubre' ('imas12'), Madrid, Spain
- Research Institute ('imas12'), University Hospital, Madrid, Spain
| | - Cristina Domínguez-González
- Neurology Department, Neuromuscular Disorders Unit, University Hospital, Madrid, Spain
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
- Research Institute ('imas12'), University Hospital, Madrid, Spain
| | - Elena Arranz-Canales
- Department of Internal Medicine, University Hospital, Madrid, Spain
- National Reference Center for Congenital Errors of Metabolism (CSUR) and European Reference Center for Inherited Metabolic Disease (MetabERN), University Hospital, Madrid, Spain
| | | | - Joaquín Arenas
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital '12 de Octubre' ('imas12'), Madrid, Spain
- Research Institute ('imas12'), University Hospital, Madrid, Spain
| | - Miguel A Martín
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), Madrid, Spain
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital '12 de Octubre' ('imas12'), Madrid, Spain
- Research Institute ('imas12'), University Hospital, Madrid, Spain
| | - Jesús González de la Aleja
- National Reference Center for Congenital Errors of Metabolism (CSUR) and European Reference Center for Inherited Metabolic Disease (MetabERN), University Hospital, Madrid, Spain
- Neurology Department, Epilepsy Unit, University Hospital, Madrid, Spain
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24
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Lu CC, Ke CY, Wu WT, Lee RP. L-Glutamine is better for treatment than prevention in exhaustive exercise. Front Physiol 2023; 14:1172342. [PMID: 37187963 PMCID: PMC10175630 DOI: 10.3389/fphys.2023.1172342] [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: 02/23/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
Introduction: Glutamine is known as the richest nonessential amino acid in the human body. The intake of glutamine is not only beneficial to nutrition but also reported to enhance inflammation reducing bioactivity in exercise. Although studies have demonstrated that glutamine is beneficial for exercise, the optimal intake timing remains unclear. This study examined whether the effects of glutamine on tissue damage and physiology differ between intake timings. Methods: Rats were divided into without L-glutamine supplementation (vehicle), with L-glutamine before exhaustive exercise (prevention), and with L-glutamine after exhaustive exercise (treatment) groups. Exhaustive exercise was induced by treadmill running and L-glutamine was given by oral feeding. The exhaustive exercise began at a speed of 10 miles/min and increased in increments of 1 mile/min, to a maximum running speed of 15 miles/min with no incline. The blood samples were collected before exhaustive exercise, 12 h and 24 h after exercise to compare the creatine kinase isozyme MM (CK-MM), red blood cell count and platelet count. The animals were euthanized on 24 h after exercise, and tissue samples were collected for pathological examination and scored the severity of organ injury from 0 to 4. Results: The CK-MM was elevated gradually after exercise in the vehicle group; however, CK-MM was decreased after L-glutamine supplementation in the treatment group. The treatment group had higher red blood cell count and platelet count than the vehicle and prevention group after exercise. In addition, the treatment group had less tissue injury in the cardiac muscles, and kidneys than prevention group. Conclusion: The therapeutic effect of L-glutamine after exhaustive exercise was more effective than preventive before exercise.
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Affiliation(s)
- Cheng-Chung Lu
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
- Office of Physical Education, Hsing Wu University, New Taipei City, Taiwan
| | - Chun-Yen Ke
- Center for General Education, Cheng Shiu University, Kaohsiung, Taiwan
| | - Wen-Tien Wu
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Ru-Ping Lee
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan
- *Correspondence: Ru-Ping Lee,
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Du LW, Xu BQ, Xun K, Zhang FQ. Glutamine supplementation attenuates intestinal apoptosis by inducing heat shock protein 70 in heatstroke rats. World J Emerg Med 2023; 14:37-43. [PMID: 36713336 PMCID: PMC9842468 DOI: 10.5847/wjem.j.1920-8642.2023.011] [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: 08/06/2022] [Accepted: 11/18/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Heatstroke is the most hazardous heat-related illness and has a high fatality rate. We investigated whether glutamine supplementation could have a protective effect on heatstroke rats. METHODS Twenty-five 12-week-old male Wistar rats (weight 305±16 g) were randomly divided into a control group (n=5), heatstroke (HS) group (n=10), and heatstroke+glutamine (HSG) group (n=10). Seven days before heat exposure, glutamine (0.4 g/[kg·d]) was administered to the rats in the HSG group by gavage every day. Three hours after heat exposure, serum samples were collected to detect white blood cells, coagulation indicators, blood biochemical indicators, and inflammatory cytokines in the rats. The small intestine tissue was stained to analyze pathological structural changes and apoptosis. Finally, immunohistochemistry and Western blotting were used to analyze the expression levels of heat shock protein 70 (HSP70). Multiple comparisons were analyzed by using one-way analysis of variance, and the Bonferroni test was conducted for the post hoc comparisons. RESULTS After heat exposure, the core temperature of the HS group (40.65±0.31 °C) was higher than the criterion of heatstroke, whereas the core temperature of the HSG group (39.45±0.14 °C) was lower than the criterion. Glutamine supplementation restored the increased white blood cells, coagulation indicators, blood biochemical indicators, and inflammatory cytokines that were induced by heatstroke to normal levels. The intestinal mucosa was injured, and the structure of tight junctions was damaged in the HS group; however, the structure of intestinal mucosal epithelial cells was stable in the HSG group. Glutamine supplementation alleviated intestinal apoptosis and up-regulated HSP70 expression. CONCLUSION Glutamine supplementation may alleviate intestinal apoptosis by inducing the expression of HSP70 and have a protective effect on heatstroke rats.
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Affiliation(s)
- Li-wen Du
- Department of Emergency, Ningbo No. 2 Hospital, Ningbo 315000, China
| | - Bao-qing Xu
- Department of Pathology, the 900 Hospital of Joint Logistics Support Force of Chinese PLA, Fuzhou 350025, China
| | - Kai Xun
- Department of Emergency, Ningbo No. 2 Hospital, Ningbo 315000, China
| | - Fang-qi Zhang
- Department of Pulmonary and Critical Care Medicine, the 987 Hospital of Joint Logistics Support Force of Chinese PLA, Baoji 721000, China,Corresponding Author: Fang-qi Zhang,
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Li C, Zhu X, Zhang J, Xu T, Zhang H, Zheng Z, Kumar RR. Polysaccharides from apple pomace exhibit anti-fatigue activity through increasing glycogen content. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:283-291. [PMID: 36618038 PMCID: PMC9813301 DOI: 10.1007/s13197-022-05613-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 10/05/2022] [Accepted: 10/28/2022] [Indexed: 11/21/2022]
Abstract
The polysaccharides were isolated from apple pomace by hot-water extraction, and their anti-fatigue activity was evaluated in C2C12 muscle myoblasts and male Kunming mice. The purified polysaccharides from apple pomace (PAP) have a molecular weight of 1.74 × 105 Da and were composed of mannose, rhamnose, glucose, galactose and arabinose. In C2C12 myoblasts, PAP showed no cytotoxicity in the concentrations of 0-300 μg/ml. PAP treatment increased the glycogen content, while the ATP content was not affected in C2C12 myoblasts. Further investigation found that the activity and gene expression of glycogen synthase, rather than glycogen phosphorylase, were upregulated by PAP treatment. The studies in vivo showed that PAP treatment did not affect the food intake and weight again in mice. Importantly, PAP prolonged the exhaustive swimming time, increased hepatic and skeletal muscle glycogen levels, and effectively inhibited the accumulation of blood lactic and blood urea nitrogen in mice. Taken together, the results suggested that PAP exhibit anti-fatigue activity in vitro and in vivo through increasing glycogen content.
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Affiliation(s)
- Chunguang Li
- College of Physical Education, Dezhou University, #566 Daxuexi Road, Dezhou, 253023 People’s Republic of China
| | - Xinjun Zhu
- College of Life Science, Dezhou University, Dezhou, 253023 People’s Republic of China
| | - Jingxia Zhang
- College of Life Science, Dezhou University, Dezhou, 253023 People’s Republic of China
| | - Tisen Xu
- College of Life Science, Dezhou University, Dezhou, 253023 People’s Republic of China
| | - Hong Zhang
- College of Life Science, Dezhou University, Dezhou, 253023 People’s Republic of China
| | - Zhiping Zheng
- College of Physical Education, Dezhou University, #566 Daxuexi Road, Dezhou, 253023 People’s Republic of China
| | - Ramasamy Rajesh Kumar
- Key Laboratory of Nuclear Agriculture Sciences Ministry of Agriculture China, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058 People’s Republic of China
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Plasma Amino Acids and Acylcarnitines Are Associated with the Female but Not Male Adolescent Swimmer's Performance: An Integration between Mass Spectrometry and Complex Network Approaches. BIOLOGY 2022; 11:biology11121734. [PMID: 36552244 PMCID: PMC9774704 DOI: 10.3390/biology11121734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/26/2022] [Accepted: 11/14/2022] [Indexed: 12/05/2022]
Abstract
The main aim of this study was to compare the performance over different distances, the critical velocity (CV), and plasma acylcarnitines/amino acids of male and female adolescent swimmers. Moreover, we applied the complex network approach to identify which molecules are associated with athletes' performances. On the first day under a controlled environment, blood samples were collected after 12 h of overnight fasting. Performance trials (100, 200, 400, and 800-m) were randomly performed in the subsequent four days in a swimming pool, and CV was determined by linear distance versus time mathematical function. Metabolomic analyses were carried out on a triple quadrupole mass spectrometer performing electrospray ionization in the positive ionization mode. No difference was observed between the performance of male and female swimmers. Except for 200-m distance (p = 0.08), plasma tyrosine was positively and significantly associated with the female times during the trials (100-m, p = 0.04; 400-m, p = 0.04; 800-m, p = 0.02), and inversely associated with the CV (p = 0.02). The complex network approach showed that glycine (0.406), glutamine (0.400), arginine (0.335), free carnitine (0.355), tryptophan (0.289), and histidine (0.271) were the most influential nodes to reach tyrosine. These results revealed a thread that must be explored in further randomized/controlled designs, improving the knowledge surrounding nutrition and the performance of adolescent swimmers.
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Acute heat stress-indued apoptosis in mouse skeletal muscle is not associated with alteration of glutamine homeostasis. PLoS One 2022; 17:e0278176. [PMID: 36441734 PMCID: PMC9704566 DOI: 10.1371/journal.pone.0278176] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 11/10/2022] [Indexed: 11/30/2022] Open
Abstract
We previously demonstrated that exposing mice to heat causes functional and ultrastructural mitochondrial alterations and apoptosis in skeletal muscle. Emerging evidence indicates that glutamine (Gln) deprivation may increase cell susceptibility to apoptosis whereas Gln supplementation may protect cells against heat stress. In this study, we investigated the effect of short-term Gln treatment on heat-induced changes in mouse skeletal muscle. Male mice received vehicle, low-dose Gln (100 mg/kg/d) or high-dose Gln (300 mg/kg/d) through daily gavage for 10 days before a heat exposure test. During heat exposure, mice displayed a hyperthermic response and no significant differences in peak core body temperature were noted across the three groups. Neither heat exposure nor pretreatment with low-dose or high-dose Gln significantly affected Gln concentrations in plasma and gastrocnemius muscles. Heat-exposed mice had significantly higher caspase 3/7 levels in gastrocnemius muscle compared to unexposed controls. Heat exposure significantly increased ROS production and mitochondrial fragmentation and decreased mitochondrial membrane potential in flexor digitorum brevis muscle. These changes were not affected by low- or high-dose Gln pretreatment. Together, acute heat stress did not disrupt Gln homeostasis in mouse skeletal muscle and Gln supplementation did not protect mouse skeletal muscle against heat-induced injury. The results of this study do not support a role of Gln in heat-induced skeletal muscle apoptosis.
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Ehigiator BE, Adikwu E, Igweze ZN. Glutamine Supplementation Attenuates Bisphenol A-Induced Testicular Toxicity in Rats. J Hum Reprod Sci 2022; 15:337-342. [PMID: 37033138 PMCID: PMC10077737 DOI: 10.4103/jhrs.jhrs_54_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 04/11/2023] Open
Abstract
Background The induction of testicular toxicity by bisphenol A (BPA) may involve oxidative stress. Glutamine (Gln) is a rate limiter for the synthesis of glutathione (GSH), which inhibits oxidative stress. Aim This study assessed the potential of BPA to preserve testicular structure and function in BPA-treated albino rats. Study Settings and Design Thirty-two adult male albino rats (210-250 g) were randomly allocated to 4 (A-D) of 8 rats per group with the approval of the Research Ethics Committee. Materials and Methods Groups B-D were orally treated with Gln (20 mg/kg body weight), BPA (50 mg/kg body weight) and Gln (20 mg/kg body weight) + BPA (50 mg/kg body weight) daily for 65 days, respectively. Group A (control) was orally treated with normal saline (0.2 mL) daily for 65 days. At the termination of treatment, the rats were weighed and anaesthetized blood samples were collected and evaluated for gonadal hormones. The testes were weighed and evaluated for sperm parameters, oxidative stress markers and histology. Statistical Analysis Used The data were analysed using one-way analysis of variance and Bonferroni post hoc test. Results BPA caused a significant (P < 0.001) decrease in testis and body weights, sperm count, volume, motility and normal morphology when compared to the control. BPA significantly (P < 0.001) decreased serum testosterone, follicle-stimulating hormone, luteinising hormone, testicular catalase, superoxide dismutase, GSH and GSH peroxidase levels relative to control. Significantly (P < 0.001) increased serum prolactin, estradiol and testicular malondialdehyde levels occurred in BPA-treated rats relative to control. The testes of BPA-treated rats showed sloughing and coalescence of germ cells. However, Gln supplementation prevents BPA-induced testicular toxicity. Gln supplementation restored testis histology. Conclusion Based on the observation in this study, Gln seems effective against BPA-induced testicular toxicity.
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Affiliation(s)
- Ben E. Ehigiator
- Department of Pharmacology/Toxicology, Faculty of Pharmacy, Madonna University, Elele, Rivers State, Nigeria
| | - Elias Adikwu
- Department of Pharmacology/Toxicology, Faculty of Pharmacy, Niger Delta University, Wilberofrce Island, Bayelsa State, Nigeria
| | - Zellijo N. Igweze
- Department of Pharmacology/Toxicology, Faculty of Pharmacy, Madonna University, Elele, Rivers State, Nigeria
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Zhu H, Zeng W, Zhao T, Shi W, Dong X, Zhang A, Li X, Xu L. Synthesis and evaluation of 5-aminimidazole-4-carboxamide riboside derivatives as anti-fatigue agents. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Negro M, Cerullo G, Perna S, Beretta-Piccoli M, Rondanelli M, Liguori G, Cena H, Phillips SM, Cescon C, D’Antona G. Effects of a Single Dose of a Creatine-Based Multi-Ingredient Pre-workout Supplement Compared to Creatine Alone on Performance Fatigability After Resistance Exercise: A Double-Blind Crossover Design Study. Front Nutr 2022; 9:887523. [PMID: 35799580 PMCID: PMC9255897 DOI: 10.3389/fnut.2022.887523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/28/2022] [Indexed: 11/25/2022] Open
Abstract
Background This study aims to investigate the acute effects of a single oral administration of a creatine-based multi-ingredient pre-workout supplement (MIPS) on performance fatigability and maximal force production after a resistance exercise protocol (REP). Methods Eighteen adult males (age: 23 ± 1 years; body mass: 76.4 ± 1.5 kg; height: 1.77 ± 0.01 m) were enrolled in a randomized, double-blind, crossover design study. Subjects received a single dose of a MIPS (3 g of creatine, 2 g of arginine, 1 g of glutamine, 1 g of taurine, and 800 mg of β-alanine) or creatine citrate (CC) (3 g of creatine) or a placebo (PLA) in three successive trials 1 week apart. In a randomized order, participants consumed either MIPS, CC, or PLA and performed a REP 2 h later. Before ingestion and immediately after REP, subjects performed isometric contractions of the dominant biceps brachii: two maximal voluntary contractions (MVCs), followed by a 20% MVC for 90 s and a 60% MVC until exhaustion. Surface electromyographic indices of performance fatigability, conduction velocity (CV), and fractal dimension (FD) were obtained from the surface electromyographic signal (sEMG). Time to perform the task (TtT), basal blood lactate (BL), and BL after REP were also measured. Results Following REP, statistically significant (P < 0.05) pre–post mean for ΔTtT between MIPS (−7.06 s) and PLA (+0.222 s), ΔCV slopes (20% MVC) between MIPS (0.0082%) and PLA (−0.0519%) and for ΔCV slopes (60% MVC) between MIPS (0.199%) and PLA (−0.154%) were found. A pairwise comparison analysis showed no statistically significant differences in other variables between groups and condition vs. condition. Conclusion After REP, a creatine-enriched MIPS resulted in greater improvement of sEMG descriptors of performance fatigability and TtT compared with PLA. Conversely, no statistically significant differences in outcomes measured were observed between CC and PLA or MIPS and CC.
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Affiliation(s)
- Massimo Negro
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS) – Sport Medicine Centre, University of Pavia, Voghera, Italy
| | - Giuseppe Cerullo
- Department of Movement Sciences and Wellbeing, University of Naples Parthenope, Naples, Italy
| | - Simone Perna
- Department of Biology, College of Science, University of Bahrain, Sakhir, Bahrain
| | - Matteo Beretta-Piccoli
- Rehabilitation Research Laboratory 2rLab, Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland
| | - Mariangela Rondanelli
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Mondino Foundation, Pavia, Italy
| | - Giorgio Liguori
- Department of Movement Sciences and Wellbeing, University of Naples Parthenope, Naples, Italy
| | - Hellas Cena
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Clinical Nutrition and Dietetics Service, Unit of Internal Medicine and Endocrinology, Istituti Clinici Scientifici (ICS) Maugeri Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), University of Pavia, Pavia, Italy
| | - Stuart M. Phillips
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, ON, Canada
| | - Corrado Cescon
- Rehabilitation Research Laboratory 2rLab, Department of Business Economics, Health and Social Care, University of Applied Sciences and Arts of Southern Switzerland, Manno, Switzerland
| | - Giuseppe D’Antona
- Centro di Ricerca Interdipartimentale nelle Attività Motorie e Sportive (CRIAMS) – Sport Medicine Centre, University of Pavia, Voghera, Italy
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- *Correspondence: Giuseppe D’Antona,
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Experimental Investigation on the Bioprotective Role of Trehalose on Glutamine Solutions by Infrared Spectroscopy. MATERIALS 2022; 15:ma15124329. [PMID: 35744387 PMCID: PMC9231094 DOI: 10.3390/ma15124329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/12/2022] [Accepted: 06/16/2022] [Indexed: 12/15/2022]
Abstract
Glutamine plays a significant role in several basic metabolic processes and is an important regulator of heat shock protein response. The present work is focused on the analysis of the thermal response of aqueous solutions of Glutamine and aqueous solutions of Glutamine in the presence of Trehalose by means of infrared absorption technique. The performed study shows how in the case of a multicomponent system, characterized by a huge number of spectral contributions whose assignment are questionable, the Spectral Distance (SD) and the Cross Wavelet Correlation (XWT) approaches are able to furnish explanatory parameters that can characterize the variations in the spectra behaviour, which is an efficient tool for quantitative comparisons. With this purpose, the analysis has been performed by evaluating the SD and the XWT parameters for the whole investigated spectral range, i.e., 4000–400 cm−1, for scans collected as a function of temperature in the range 20 °C ÷ 60 °C both for Glutamine/Water compounds and for Glutamine /Water/Trehalose mixtures. By means of these analyses, it is found that in aqueous solutions of Glutamine, with respect to aqueous solutions of Glutamine in the presence of Trehalose, the SD and XWT temperature trends follow a linear behaviour where the angular coefficient for Glutamine /Water/Trehalose compounds are lower than that of the Glutamine-Water system in both cases. The obtained findings suggest that Trehalose stabilizes Glutamine against heat treatment.
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Feng Z, Wei Y, Xu Y, Zhang R, Li M, Qin H, Gu R, Cai M. The anti-fatigue activity of corn peptides and their effect on gut bacteria. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3456-3466. [PMID: 34839540 DOI: 10.1002/jsfa.11693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 10/11/2021] [Accepted: 11/28/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Corn peptides (CPs) are rich in branched-chain amino acids such as leucine and have a variety of biological activities such as antioxidant and improved lipid distribution. In this article, we prepared CPs by enzymatic digestion of corn proteins and evaluated their anti-fatigue activity. RESULTS We evaluated the anti-fatigue effect of CPs through an exhaustive swimming experiment. The results showed that CPs were able to significantly reduce the rate of body weight gain and prolong the duration of exhaustive swimming. Besides, CPs reduced blood urea nitrogen (BUN) levels after exercise, while they significantly increased muscle glycogen and liver glycogen stores. They reduced muscle cell damage from exercise. In addition, CPs were effective in increasing AMPK, PGC-1α and PI3K protein expression levels and promoting Akt phosphorylation. Correlation analysis showed that CPs increased the abundance of probiotics such as Lactobacillus and Akkermansia in the gut microflora. CONCLUSION CPs, which enhanced exercise performance in mice and could modulate gut microbial composition, had significant anti-fatigue activity. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Zhiyuan Feng
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
- Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin Economic and Technological Development Area, Tianjin, China
| | - Ying Wei
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
| | - Yaguang Xu
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
| | - Ruixue Zhang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
| | - Mingliang Li
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
| | - Huimin Qin
- Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin Economic and Technological Development Area, Tianjin, China
| | - Ruizeng Gu
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
| | - Muyi Cai
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Fermentation Industries Co. Ltd, Beijing, China
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Focus on the Protein Fraction of Sports Nutrition Supplements. Molecules 2022; 27:molecules27113487. [PMID: 35684425 PMCID: PMC9182466 DOI: 10.3390/molecules27113487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/26/2022] [Accepted: 05/26/2022] [Indexed: 02/04/2023] Open
Abstract
Increasing awareness of balanced diet benefits is boosting the demand for high-protein food and beverages. Sports supplements are often preferred over traditional protein sources to meet the appropriate dietary intake since they are widely available on the market as stable ready-to-eat products. However, the protein components may vary depending on both sources and processing conditions. The protein fraction of five commercial sports supplements was characterized and compared with that of typical industrial ingredients, i.e., whey protein concentrates and isolates and whey powder. The capillary electrophoresis profiles and the amino acid patterns indicated that, in some cases, the protein was extensively glycosylated and the supplemented amino acids did not correspond to those declared on the label by manufacturers. The evaluation by confocal laser scanning microscopy evidenced the presence of large aggregates mainly enforced by covalent crosslinks. The obtained findings suggest that, beside composition figures, provisions regarding sports supplements should also consider quality aspects, and mandatory batch testing of these products would provide more reliable information to sport dieticians.
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Study on the Antifatigue Effect of Compound Amino Acid Capsules. Cell Microbiol 2022. [DOI: 10.1155/2022/6593811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Supplementing amino acids was proven to relieve fatigue caused by exercise. This study explored the antifatigue effects of compound amino acid capsules (CAAC) on rats undergoing the forced swimming test (FST). CAAC augmented the endurance of FST in rats and alleviated the damage of skeletal muscle tissue and reduced the content of biochemical indicators in the serum. Furthermore, CAAC prevented skeletal muscle dysfunction in FST rats by modulating inflammation and oxidation reactions. After the treatment with CAAC, apoptosis and apoptosis-related protein and p-p65 were weakened, while the levels of SIRT1 and SIRT1/PGC-1α/Nrf2 pathway-related proteins were enhanced. The antifatigue properties of CAAC were associated with its antioxidant and anti-inflammatory capabilities, which were realized by activating the SIRT1/PGC-1α/Nrf2 pathway.
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The Effect of Hot Water Extract of Tilapia on Exercise Capacity in Mice. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12052601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Tilapia (Oreochromis mossambicus) has become one of the main aquatic products of Taiwan. The aim of this study was to evaluate the efficacy of a hot water extract of tilapia (HWET) in relieving fatigue and enhancing exercise performance in mice in a swimming endurance test. Male ICR mice were randomly divided into four groups (n = 10 per group) and treated with either a vehicle (control group) or different doses of HWET, which were designated as HWET-L (800 mg/kg/day), HWET-M (1600 mg/kg/day), and HWET-H (4000 mg/kg/day). The results of the swimming endurance test showed that HWET treatment significantly improved exercise-induced fatigue as the swimming time of the mice increased (p < 0.05). One hour after the test, blood samples were collected from each mouse and serum biochemical parameters were measured. The serum levels of lactate, creatine kinase (CK), and blood urea nitrogen (BUN) were lower in mice treated with HWET compared to the control group. Moreover, HWET treatment increased serum glucose levels and glycogen content in the liver. Enhanced glutathione (GSH) content in the liver and muscle was also found in the HWET-M and HWET-H groups. Western blot results showed that the expression of tumor necrosis factor-α (TNF-α) in the liver tissue was downregulated by HWET treatment. Taken together, our results demonstrate that HWET supplementation could enhance exercise performance and alleviate fatigue via biochemical profile improvements. This suggests that HWET has the potential for future development into functional foods or nutritional supplements to relieve fatigue.
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Escribano-Ott I, Calleja-González J, Mielgo-Ayuso J. Ergo-Nutritional Intervention in Basketball: A Systematic Review. Nutrients 2022; 14:638. [PMID: 35276997 PMCID: PMC8839588 DOI: 10.3390/nu14030638] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/25/2022] [Accepted: 01/31/2022] [Indexed: 11/16/2022] Open
Abstract
Using nutritional supplements is a widespread strategy among basketball players to ensure the appropriate provision of energy and nutrients to avoid certain complaints. Particularly in basketball, there is no consensus on the type, quantity or form of use in which these supplements should be administered. Therefore, the main aim of this systematic review is to highlight the ergo-nutritional aids that may be effective in basketball. A structured search was carried out following the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA®) guidelines in the Medline/PubMed and Web of Science, Cochrane Library, and Scopus databases until 31 December 2021; no year restriction was applied to the search strategy. There were no filters applied to the basketball players' level, gender, race, or age to increase the power of the analysis. The results of this systematic review have shown that the effective dose of caffeine to enhance anaerobic performance and the feeling of vigorousness and energy ranges from 3 to 6 mg·kg-1, showing more positive effects when is supplemented 60-75 min before exercise in the morning and in test-based task. On the other hand, vitamin E (ranging from 200 to 268 mg), vitamin D (10,000 IU) and EPA (2 g) may have a potential role in recovery and wellness. The primary limitation of this study is the scarcity of studies related to nutritional supplementation in basketball players. However, a major strength is that this is the first systematic review describing what ergo-nutritional aids may be specifically helpful for basketball. Despite the need for future studies, certain nutritional supplements may have promising advantages for basketball (long-term supplementation of nitrates for recovery), whereas others (β-alanine, sodium bicarbonate, and acute nitrate supplementation) might theoretically be regarded as not interesting for basketball, or even not recommended by the World Anti-Doping Agency (WADA) as bovine colostrum.
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Affiliation(s)
- Ignacio Escribano-Ott
- Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country, 01007 Vitoria, Spain;
| | - Julio Calleja-González
- Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country, 01007 Vitoria, Spain;
| | - Juan Mielgo-Ayuso
- Department of Health Sciences, Faculty of Health Sciences, University of Burgos, 09001 Burgos, Spain;
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A Review on Dietary Additive, Food Supplement and Exercise Effects on the Prevention of Covid-19. NUTRITION AND FOOD SCIENCES RESEARCH 2022. [DOI: 10.52547/nfsr.9.1.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Haapala EA, Leppänen MH, Lehti M, Lintu N, Tompuri T, Viitasalo A, Schwab U, Lakka TA. Cross-sectional associations between cardiorespiratory fitness and NMR-derived metabolic biomarkers in children - the PANIC study. Front Endocrinol (Lausanne) 2022; 13:954418. [PMID: 36213296 PMCID: PMC9538338 DOI: 10.3389/fendo.2022.954418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Cardiorespiratory fitness has been inversely associated with cardiovascular risk across the lifespan. Some studies in adults suggest that higher cardiorespiratory fitness is associated with cardioprotective metabolite profile, but the evidence in children is lacking. Therefore, we investigated the cross-sectional association of cardiorespiratory fitness with serum nuclear magnetic resonance derived metabolic biomarkers in children. METHODS A population sample of 450 children aged 6-8 years was examined. Cardiorespiratory fitness was assessed by a maximal exercise test on a cycle ergometer and quantified as maximal power output normalised for lean body mass assessed by dual-energy X-ray absorbtiometry. Serum metabolites were assessed using a high throughput nuclear magnetic resonance platform. The data were analysed using linear regression analyses adjusted for age and sex and subsequently for body fat percentage (BF%) assessed by DXA. RESULTS Cardiorespiratory fitness was directly associated with high density lipoprotein (HDL) cholesterol (β=0.138, 95% CI=0.042 to 0.135, p=0.005), average HDL particle diameter (β=0.102, 95% CI=0.004 to 0.199, p=0.041), and the concentrations of extra-large HDL particles (β=0.103, 95% CI=0.006 to 0.201, p=0.038), large HDL particles (β=0.122, 95% CI=0.025 to 0.220, p=0.014), and medium HDL particles (β=0.143, 95% CI=0.047 to 0.239, p=0.004) after adjustment for age and sex. Higher cardiorespiratory fitness was also associated with higher concentrations of ApoA1 (β=0.145, 95% CI=0.047 to 0.242, p=0.003), glutamine (β=0.161, 95% CI=0.064 to 0.257, p=0.001), and phenylalanine (β=0.187, 95% CI=0.091 to 0.283, p<0.001). However, only the direct associations of cardiorespiratory fitness with the concentrations of HDL cholesterol (β=0.114, 95% CI=0.018 to 0.210, p=0.021), medium HDL particles (β=0.126, 95% CI=0.030 to 0.223, p=0.010), ApoA1 (β=0.126, 95% CI=0.030 to 0.223, p=0.011), glutamine (β=0.147, 95% CI=0.050 to 0.224, p=0.003), and phenylalanine (β=0.217, 95% CI=0.122 to 0.311, p<0.001) remained statistically significant after further adjustment for BF%. CONCLUSIONS Higher cardiorespiratory fitness was associated with a cardioprotective biomarker profile in children. Most associations were independent of BF% suggesting that the differences in serum metabolites between children are driven by cardiorespiratory fitness and not adiposity.
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Affiliation(s)
- Eero A. Haapala
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
- *Correspondence: Eero A. Haapala,
| | - Marja H. Leppänen
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
- Folkhälsan Research Center, Helsinki, Finland
| | - Maarit Lehti
- Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Niina Lintu
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Tuomo Tompuri
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland
| | - Anna Viitasalo
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
| | - Ursula Schwab
- Institute of Public Health and Clinical Nutrition, School of Medicine, University of Eastern Finland, Kuopio, Finland
- Department of Medicine, Endocrinology and Clinical Nutrition, Kuopio University Hospital, Kuopio, Finland
| | - Timo A. Lakka
- Institute of Biomedicine, School of Medicine, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland
- Foundation for Research in Health Exercise and Nutrition, Kuopio Research Institute of Exercise Medicine, Kuopio, Finland
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Anti-Fatigue Peptides from the Enzymatic Hydrolysates of Cervus elaphus Blood. Molecules 2021; 26:molecules26247614. [PMID: 34946691 PMCID: PMC8708016 DOI: 10.3390/molecules26247614] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/10/2021] [Accepted: 12/11/2021] [Indexed: 11/18/2022] Open
Abstract
Red deer (Cervus elaphus) blood is widely used as a health product. Mixed culture fermentation improves the flavor and bioavailability of deer blood (DB), and both DB and its enzymatic hydrolysates exhibit anti-fatigue activities in vivo. To elucidate the bioactive ingredients, enzymatic hydrolysates were fractioned into different peptide groups using reversed phase resin chromatography, and then evaluated using an exhaustive swimming mice model to assess swimming time and biochemical parameters. The structures of the bioactive peptides were elucidated by high performance liquid chromatography with tandem mass detection. Thirty-one compounds were identified as glutamine or branched-chain amino acids containing short peptides, of which Val-Ala-Asn, Val-Val-Ser-Ala, Leu(Ile)-Leu(Ile)-Val-Thr, Pro-His-Pro-Thr-Thr, Glu-Val-Ala-Phe and Val-Leu(Ile)-Asp-Ala-Phe are new peptides. The fractions containing glutamine or valine short peptides, Ala-Gln, Val-Gln, Val-Val-Ser-Ala, Val-Leu(Ile)-Ser improved exercise endurance by increasing hepatic glycogen (HG) storage. The peptides group containing Leu(Ile)-Leu(Ile), Asp-Gln, Phe- Leu(Ile), Val-Val-Tyr-Pro contributed to decreased muscle lactic acid (MLA)accumulation and to an increase in HG. The anti-fatigue activities of DB hydrolysates were attributed to the synergistic effects of different types of peptides.
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Synergistic effect of combined oyster peptide and ginseng extracts on anti-exercise-fatigue and promotion of sexual interest activity in male ICR mice. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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Fernández-Lázaro D, Mielgo-Ayuso J, del Valle Soto M, Adams DP, Gutiérrez-Abejón E, Seco-Calvo J. Impact of Optimal Timing of Intake of Multi-Ingredient Performance Supplements on Sports Performance, Muscular Damage, and Hormonal Behavior across a Ten-Week Training Camp in Elite Cyclists: A Randomized Clinical Trial. Nutrients 2021; 13:3746. [PMID: 34836002 PMCID: PMC8618318 DOI: 10.3390/nu13113746] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/20/2021] [Accepted: 10/20/2021] [Indexed: 12/11/2022] Open
Abstract
Multi-ingredient performance supplements (MIPS), ingested pre- or post-workout, have been shown to increase physiological level effects and integrated metabolic response on exercise. The purpose of this study was to determine the efficacy of pre-and post-training supplementation with its own MIPS, associated with CHO (1 g·kg-1) plus protein (0.3 g·kg-1) on exercise-related benchmarks across a training camp for elite cyclists. Thirty elite male cyclists participated in a randomized non-placebo-controlled trial for ten weeks assigned to one of three groups (n = 10 each): a control group treated with CHO plus protein after training (CG); a group treated with MIPS before training and a CHO plus protein after training, (PRE-MIPS); a group treated with CHO plus protein plus MIPS after training, (POST-MIPS). Performance parameters included (VO2max, peak; median and minimum power (W) and fatigue index (%)); hormonal response (Cortisol; Testosterone; and Testosterone/Cortisol ratio); and muscle biomarkers (Creatine kinase (CK), Lactate dehydrogenase (LDH), and Myoglobin (Mb)) were assessed. MIPS administered before or after training (p ≤ 0.05) was significantly influential in attenuating CK, LDH, and MB; stimulating T response and modulating C; and improved on all markers of exercise performance. These responses were greater when MIPS was administered post-workout.
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Affiliation(s)
- Diego Fernández-Lázaro
- Department of Cellular Biology, Histology and Pharmacology, Faculty of Health Sciences, University of Valladolid, Campus of Soria, 42003 Soria, Spain
- Neurobiology Research Group, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain
| | - Juan Mielgo-Ayuso
- Department of Health Sciences, Faculty of Health Sciences, University of Burgos, 09001 Burgos, Spain
| | - Miguel del Valle Soto
- Department of Morphology and Cell Biology, University of Oviedo, Health Research Institute of the Principality of Asturias (ISPA), 33003 Oviedo, Spain;
| | - David P. Adams
- Dual Enrollment Program, Point University, Savannah, GA 31419, USA;
| | - Eduardo Gutiérrez-Abejón
- Pharmacological Big Data Laboratory, University of Valladolid, 47005 Valladolid, Spain;
- Technical Direction of Pharmaceutical Assistance, Regional Health Management of Castilla y León, 47005 Valladolid, Spain
| | - Jesús Seco-Calvo
- Physiotherapy Department, Institute of Biomedicine (IBIOMED), University of Leon, Visiting Researcher of Basque Country University, Campus de Vegazana, 24071 Leon, Spain;
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Nutritional Compositions of Optimally Processed Umqombothi (a South African Indigenous Beer). FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7040225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Umqombothi (a South African indigenous beer) is an important dietary beverage for many undernourished, low-income consumers in rural, semi-urban and urban areas. Umqombothi was brewed using optimal conditions earlier obtained and compared to the customary beer brew (CB) and mixed raw ingredients (RI). The products were evaluated for proximate compositions, minerals, amino acids, B-group vitamins, and sugar compounds. The optimised beer brew (OPB) was relatively higher in energy (165 kcal), crude protein (8.6%), and ash content (1.0%). The CB had the highest concentration of sodium (299.8 mg/kg), magnesium (1170.5 mg/kg), potassium (2993.8 mg/kg), and phosphorus (2100.7 mg/kg). Glutamic acid was the highest detected amino acid, with concentrations of 1.5 g/100 g, 1.5 g/100 g, and 1.6 g/100 g in the RI, CB, and OPB, respectively. The OPB contained a higher concentration of the two forms of vitamin B3, nicotinamide (0.2 µg/g) and nicotinic acid (0.7 µg/g) in comparison to the CB. The concentration of the antioxidant, mannitol, was 0.4 mg/g, 0.2 mg/g, and 2.0 mg/g in the RI, CB, and OPB respectively. Overall, OPB displayed a desirable nutritional profile compared to the CB.
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Alipanah-Moghadam R, Molazadeh L, Jafari-Suha Z, Naghizadeh-Baghi A, Mohajeri M, Nemati A. Glutamine supplementation can reduce some atherosclerosis markers after exhaustive exercise in young healthy males. Nutrition 2021; 94:111506. [PMID: 34844156 DOI: 10.1016/j.nut.2021.111506] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 08/29/2021] [Accepted: 09/26/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Glutamine can be beneficial to athletes for its antiinflammatory and antioxidant effects. The present study was designed to investigate the effect of glutamine supplementation on some atherosclerosis markers after exhaustive exercise in young healthy males. METHODS In an intervention study, 30 healthy males (case = 15 and control = 15) were randomly assigned into two groups. For 14 d, the intervention group received 0.3 g of glutamine per kilogram of body weight per day, with 25 g of sugar in 250 mL of water, and the control group received 25 g of sugar per 250 mL of water. At the end of the intervention, the participants completed one session of exhaustive exercise, and then fasting blood samples were taken to test serum levels of atherosclerosis markers. RESULTS In the intervention group, the serum levels of leptin, cholesterol, and oxidized low-density lipoprotein were lower than in the control group after 2 wk of glutamine supplementation (P < 0.05). Interleukin-6 serum levels were lower in the intervention group compared to the control group after supplementation, but not significantly. Serum levels of leptin, interleukin-6, cholesterol, and oxidized low-density lipoprotein, as well as the ratio of oxidized low-density lipoprotein to high-density lipoprotein, were significantly decreased in the intervention group compared to the control group after exhaustive exercise (P < 0.05). CONCLUSIONS Glutamine supplementation has beneficial effects for athletes, particularly those doing strenuous physical exercise, through reducing atherosclerosis-related biomarkers and elevating serum adiponectin levels, and it can potentially play a role in decreasing the initiation and progression of atherosclerosis.
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Affiliation(s)
- Reza Alipanah-Moghadam
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Leila Molazadeh
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Zeinab Jafari-Suha
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | | | - Mahsa Mohajeri
- Digestive Disease Research Center, Ardabil University of Medical Sciences, Ardabil, Iran; Academic Center for Education, Culture and Research, Ardabil, Iran.
| | - Ali Nemati
- Department of Clinical Biochemistry, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran; Digestive Disease Research Center, Ardabil University of Medical Sciences, Ardabil, Iran.
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Supruniuk E, Żebrowska E, Chabowski A. Branched chain amino acids-friend or foe in the control of energy substrate turnover and insulin sensitivity? Crit Rev Food Sci Nutr 2021; 63:2559-2597. [PMID: 34542351 DOI: 10.1080/10408398.2021.1977910] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Branched chain amino acids (BCAA) and their derivatives are bioactive molecules with pleiotropic functions in the human body. Elevated fasting blood BCAA concentrations are considered as a metabolic hallmark of obesity, insulin resistance, dyslipidaemia, nonalcoholic fatty liver disease, type 2 diabetes and cardiovascular disease. However, since increased BCAA amount is observed both in metabolically healthy and obese subjects, a question whether BCAA are mechanistic drivers of insulin resistance and its morbidities or only markers of metabolic dysregulation, still remains open. The beneficial effects of BCAA on body weight and composition, aerobic capacity, insulin secretion and sensitivity demand high catabolic potential toward amino acids and/or adequate BCAA intake. On the opposite, BCAA-related inhibition of lipogenesis and lipolysis enhancement may preclude impairment in insulin sensitivity. Thereby, the following review addresses various strategies pertaining to the modulation of BCAA catabolism and the possible roles of BCAA in energy homeostasis. We also aim to elucidate mechanisms behind the heterogeneity of ramifications associated with BCAA modulation.
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Affiliation(s)
- Elżbieta Supruniuk
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Ewa Żebrowska
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, Bialystok, Poland
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Posey EA, Bazer FW, Wu G. Amino Acids and Their Metabolites for Improving Human Exercising Performance. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1332:151-166. [PMID: 34251643 DOI: 10.1007/978-3-030-74180-8_9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Achieving adequate nutrition for exercising humans is especially important for improving both muscle mass and metabolic health. One of the most common misunderstandings in the fitness industry is that the human body has requirements for dietary whole protein and that exercising individuals must consume only whole protein to meet their physiological needs. This view, however, is incorrect. Instead, humans at rest or during exercise have requirements for dietary amino acids (AAs), and dietary protein is a source of AAs in the body. The requirements for AAs must be met each day to avoid a negative nitrogen balance in individuals with moderate or intense physical activity. By properly meeting increased requirements for AAs through increased intake of high-quality protein (the source of AAs) plus supplemental AAs, athletes can improve their overall athletic performance. AAs or metabolites that are of special importance for exercising individuals include arginine, branched-chain AAs, creatine, glycine, taurine, and glutamine. The AAs play vital roles as both substrates for protein synthesis and molecules for regulating blood flow and nutrient metabolism. The functional roles of AAs include the maintenance of cell and tissue integrity; stimulation of mechanistic target of rapamycin and AMP-activated protein kinase cell signaling pathways; energy sources for the small intestine, cells of the immune system, and skeletal muscle; antioxidant and anti-inflammatory reactions; production of neurotransmitters; modulation of acid-base balance in the body. All of those roles are crucial for the overall goal of improving exercise performance. Therefore, adequate intakes of proteinogenic AAs and their functional metabolites, especially those noted in this review, are essential for optimal human health (including optimum muscle mass and function) and should be a primary goal of exercising individuals.
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Affiliation(s)
- Erin A Posey
- Department of Animal Science, Texas A&M University, College Station, Texas, TX, 77843, USA
| | - Fuller W Bazer
- Department of Animal Science, Texas A&M University, College Station, Texas, TX, 77843, USA
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, Texas, TX, 77843, USA.
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Streese L, Springer AM, Deiseroth A, Carrard J, Infanger D, Schmaderer C, Schmidt-Trucksäss A, Madl T, Hanssen H. Metabolic profiling links cardiovascular risk and vascular end organ damage. Atherosclerosis 2021; 331:45-53. [PMID: 34344526 DOI: 10.1016/j.atherosclerosis.2021.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/01/2021] [Accepted: 07/09/2021] [Indexed: 01/09/2023]
Abstract
BACKGROUND AND AIMS An untargeted metabolomics approach allows for a better understanding and identification of new candidate metabolites involved in the etiology of vascular disease. We aimed to investigate the associations of cardiovascular (CV) risk factors with the metabolic fingerprint and macro- and microvascular health in an untargeted metabolomic approach in predefined CV risk groups of aged individuals. METHODS The metabolic fingerprint and the macro- and microvascular health from 155 well-characterized aged (50-80 years) individuals, based on the EXAMIN AGE study, were analysed. Nuclear magnetic resonance spectroscopy was used to analyse the metabolic fingerprint. Carotid-femoral pulse wave velocity and retinal vessel diameters were assessed to quantify macro- and microvascular health. RESULTS The metabolic fingerprint became more heterogeneous with an increasing number of risk factors. There was strong evidence for higher levels of glutamine [estimate (95% CI): -14.54 (-17.81 to -11.27), p < 0.001], glycine [-5.84 (-7.88 to -3.79), p < 0.001], histidine [-0.73 (-0.96 to -0.50), p < 0.001], and acetate [-1.68 (-2.91 to -0.46), p = 0.007] to be associated with a lower CV risk profile. Tryptophan, however, was positively associated with higher CV risk [0.31 (0.06-0.56), p = 0.015]. The combination of a priori defined CV risk factors explained up to 45.4% of the metabolic variation. The metabolic fingerprint explained 20% of macro- and 23% of microvascular variation. CONCLUSIONS Metabolic profiling has the potential to improve CV risk stratification by identifying new underlying metabolic pathways associated with atherosclerotic disease development, from cardiovascular risk to metabolites, to vascular end organ damage.
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Affiliation(s)
- Lukas Streese
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
| | - Anna Maria Springer
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and Biochemistry, Medical University of Graz, Graz, Austria
| | - Arne Deiseroth
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
| | - Justin Carrard
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
| | - Denis Infanger
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
| | - Christoph Schmaderer
- Department of Nephrology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Arno Schmidt-Trucksäss
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
| | - Tobias Madl
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and Biochemistry, Medical University of Graz, Graz, Austria; BioTechMed Graz, Graz, Austria.
| | - Henner Hanssen
- Department of Sport, Exercise and Health, Medical Faculty, University of Basel, Basel, Switzerland
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Ma X, Chen H, Cao L, Zhao S, Zhao C, Yin S, Hu H. Mechanisms of Physical Fatigue and its Applications in Nutritional Interventions. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6755-6768. [PMID: 34124894 DOI: 10.1021/acs.jafc.1c01251] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Physical fatigue during exercise can be defined as an impairment of physical performance. Multiple factors have been found contributing to physical fatigue, including neurotransmitter-mediated defense action, insufficient energy supply, and induction of oxidative stress. These mechanistic findings provide a sound theoretical rationale for nutritional intervention since most of these factors can be modulated by nutrient supplementation. In this review, we summarize the current evidence regarding the functional role of nutrients supplementation in managing physical performance and propose the issues that need to be addressed for better utilization of nutritional supplementation approach to improve physical performance.
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Affiliation(s)
- Xuan Ma
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Hui Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Lixing Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shuang Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Chong Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shutao Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Hongbo Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
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Luo C, Peng W, Kang J, Chen C, Peng J, Wang Y, Tang Q, Xie H, Li Y, Pan X. Glutamine Regulates Cell Growth and Casein Synthesis through the CYTHs/ARFGAP1-Arf1-mTORC1 Pathway in Bovine Mammary Epithelial Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6810-6819. [PMID: 34096300 DOI: 10.1021/acs.jafc.1c02223] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the dairy industry, glutamine (Gln) is often used as a feed additive to increase milk yield and quality; however, the molecular regulation underneath needs further clarification. Here, with bovine mammary epithelial cells (BMECs), the effects and mechanisms of Gln on cell growth and casein synthesis were assessed. When Gln was added or depleted from BMECs, both cell growth and β-casein (CSN2) expression were increased or decreased, respectively. Overexpressing or inhibiting the mechanistic target of rapamycin (mTOR) revealed that Gln regulated cell growth and CSN2 synthesis through the mTORC1 pathway. A similar intervention of ADP-ribosylation factor 1 (Arf1) uncovered that Gln activated the mTORC1 pathway through Arf1. We next observed that both guanine nucleotide exchange factors, Cytohesin-1/2/3 (CYTH1/2/3, CYTHs) and ADP-ribosylation factor GTPase activating protein 1 (ARFGAP1), interacted with Arf1. Inhibiting CYTHs or ARFGAP1 showed that Gln supplement or depletion activated or inactivated Arf1 through CYTHs or ARFGAP1, respectively. Collectively, this study demonstrated that Gln positively regulated cell growth and casein synthesis in BMECs, which works through the CYTHs/ARFGAP1-Arf1-mTORC1 pathway. These results greatly enhanced current understanding regarding the regulation of the mTOR pathway and provided new insights for the processes of cell growth and casein synthesis by amino acids, particularly Gln.
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Córdova-Martínez A, Caballero-García A, Bello HJ, Pérez-Valdecantos D, Roche E. Effect of Glutamine Supplementation on Muscular Damage Biomarkers in Professional Basketball Players. Nutrients 2021; 13:nu13062073. [PMID: 34204359 PMCID: PMC8234492 DOI: 10.3390/nu13062073] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 01/29/2023] Open
Abstract
Scientific evidence supports the role of L-glutamine in improving immune function. This could suggest a possible role of L-glutamine in recovery after intense exercise. To this end, the present report aimed to study if oral L-glutamine supplementation could attenuate muscle damage in a group of players of a mainly eccentric sport discipline such as basketball. Participants (n = 12) were supplemented with 6 g/day of glutamine (G group) or placebo (P group) for 40 days in a crossover study design (20 days with glutamine + 20 days with placebo and vice versa). Blood samples were obtained at the beginning and at the end of each period and markers from exercise-induced muscle damage were determined. The glutamine supplemented group displayed significantly low values of aspartate transaminase, creatine kinase and myoglobin in blood, suggesting less muscle damage compared to the placebo. In addition, adrenocorticotropic hormone levels were lower in the glutamine supplemented group than in the placebo. As a result, the circulating cortisol levels did not increase at the end of the study in the glutamine supplemented group. Altogether, the results indicate that glutamine could help attenuate exercise-induced muscle damage in sport disciplines with predominantly eccentric actions.
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Affiliation(s)
- Alfredo Córdova-Martínez
- Departamento Bioquímica, Biología Molecular y Fisiología, Facultad de Ciencias de la Salud, GIR: “Ejercicio Físico y Envejecimiento” Universidad Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain;
- Correspondence:
| | - Alberto Caballero-García
- Departamento de Anatomía y Radiología, Facultad de Ciencias de la Salud, GIR: “Ejercicio Físico y Envejecimiento” Universidad Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain;
| | - Hugo J Bello
- Departamento Matemáticas, Escuela de Ingeniería de la Industria Forestal, Agronómica y de la Bioenergía, GIR: “Ejercicio Físico y Envejecimiento” Universidad Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain;
| | - Daniel Pérez-Valdecantos
- Departamento Bioquímica, Biología Molecular y Fisiología, Facultad de Ciencias de la Salud, GIR: “Ejercicio Físico y Envejecimiento” Universidad Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain;
| | - Enrique Roche
- Instituto de Bioingeniería y Departamento de Biología Aplicada-Nutrición, Universidad Miguel Hernández, 03202 Elche, Spain;
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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