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Ji X, Zhang C, Yang J, Tian Y, You L, Yang H, Li Y, Liu H, Pan D, Liu Z. Kaempferol Improves Exercise Performance by Regulating Glucose Uptake, Mitochondrial Biogenesis, and Protein Synthesis via PI3K/AKT and MAPK Signaling Pathways. Foods 2024; 13:1068. [PMID: 38611372 PMCID: PMC11011654 DOI: 10.3390/foods13071068] [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: 02/27/2024] [Revised: 03/25/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
Kaempferol is a natural flavonoid with reported bioactivities found in many fruits, vegetables, and medicinal herbs. However, its effects on exercise performance and muscle metabolism remain inconclusive. The present study investigated kaempferol's effects on improving exercise performance and potential mechanisms in vivo and in vitro. The grip strength, exhaustive running time, and distance of mice were increased in the high-dose kaempferol group (p < 0.01). Also, kaempferol reduced fatigue-related biochemical markers and increased the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) related to antioxidant capacity. Kaempferol also increased the glycogen and adenosine triphosphate (ATP) content in the liver and skeletal muscle, as well as glucose in the blood. In vitro, kaempferol promoted glucose uptake, protein synthesis, and mitochondrial function and decreased oxidative stress in both 2D and 3D C2C12 myotube cultures. Moreover, kaempferol activated the PI3K/AKT and MAPK signaling pathways in the C2C12 cells. It also upregulated the key targets of glucose uptake, mitochondrial function, and protein synthesis. These findings suggest that kaempferol improves exercise performance and alleviates physical fatigue by increasing glucose uptake, mitochondrial biogenesis, and protein synthesis and by decreasing ROS. Kaempferol's molecular mechanism may be related to the regulation of the PI3K/AKT and MAPK signaling pathways.
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Affiliation(s)
- Xiaoning Ji
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Chaozheng Zhang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Jing Yang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Yaru Tian
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Lijuan You
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Hui Yang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Yongning Li
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Haibo Liu
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Deng Pan
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
| | - Zhaoping Liu
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100022, China (H.Y.); (Z.L.)
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Wang W, Abdelrahman M, Yang Y, Lv H, Yang L. RNA Sequencing Reveals the Inhibitory Effect of High Levels of Arachidonic Acid and Linoleic Acid on C2C12 Differentiation and Myogenic Biomarkers. Nutrients 2024; 16:706. [PMID: 38474834 DOI: 10.3390/nu16050706] [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: 12/31/2023] [Revised: 02/18/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Over the past three decades, studies have shown that consuming polyunsaturated fatty acids (PUFAs) can enhance animal and human health and welfare through biological, biochemical, pathological, and pharmacological impacts. Furthermore, omega-6 plays key roles in the cardiopulmonary system, including promoting airway relaxation and inhibiting atherosclerosis and hypertension. However, findings from investigations of the effects of omega-6 fatty acids on molecular and cellular activity and discussions on their influence on biomarkers are still unclear. Therefore, the present study aimed to evaluate omega-6 fatty acids, the arachidonic acid (AA), and linoleic acid (LA) effects on C2C12 proliferation, myogenesis morphology, and relative myogenic biomarker expression through the Wnt pathway. C2C12 cells were cultured with and without 25, 50, 100, and 150 µM of LA and AA and then subjected to CCK8, Giemsa staining, RT qPCR, Western blotting, and RNA Sequencing. The CCK8 Assay results showed that 25, 50, 100, and 150 µM LA significantly decreased the viability after 72 h for 25, 50, 100, and 150 µM concentrations. Also, AA supplementation decreased cell viability after 24 h for 150 µM, 48 h for 150 µM, and 72 h for 50, 100, and 150 µM concentrations. Moreover, the LA and AA inhibitory effects noticed through Gimesa staining were morphological changes during myoblast differentiation. Both LA and AA showed inhibiting IGF1, Cola1, Col6a2, Col6a1, Itga10, Itga11, SFRP2, DAAM2, and NKD2 effects; however, the depressing effect was higher for AA compared to LA. The previous results were confirmed through Western blotting, which showed that 50 µM LA and AA significantly reduced DAAM2 and SFRP2 protein levels compared to the control. Regarding RNA sequencing results, LA and AA increased the number of differentially expressed (DE) Mt-rRNA and snoRNA; however, the numbers of lncRNA detected decreased compared to the control. Our findings demonstrate that high and moderate LA and AA concentrations reduce primary myoblast proliferation and differentiation. Also, they highlight novel biomarkers and regulatory factors to improve our understanding of how the nutrition of fatty acids can control and modulate the myogenesis and differentiation process through different biomarker families.
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Affiliation(s)
- Wei Wang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agriculture University, Wuhan 430070, China
| | - Mohamed Abdelrahman
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agriculture University, Wuhan 430070, China
- Animal Production Department, Faculty of Agriculture, Assuit University, Asyut 71515, Egypt
| | - Ying Yang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agriculture University, Wuhan 430070, China
| | - Haimiao Lv
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agriculture University, Wuhan 430070, China
| | - Liguo Yang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, Huazhong Agriculture University, Wuhan 430070, China
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Lowery LM, Anderson DE, Scanlon KF, Stack A, Escalante G, Campbell SC, Kerksick CM, Nelson MT, Ziegenfuss TN, VanDusseldorp TA, Kalman DS, Campbell BI, Kreider RB, Antonio J. International society of sports nutrition position stand: coffee and sports performance. J Int Soc Sports Nutr 2023; 20:2237952. [PMID: 37498180 PMCID: PMC10375938 DOI: 10.1080/15502783.2023.2237952] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/11/2023] [Indexed: 07/28/2023] Open
Abstract
Based on review and critical analysis of the literature regarding the contents and physiological effects of coffee related to physical and cognitive performance conducted by experts in the field and selected members of the International Society of Sports Nutrition (ISSN), the following conclusions represent the official Position of the Society:(1) Coffee is a complex matrix of hundreds of compounds. These are consumed with broad variability based upon serving size, bean type (e.g. common Arabica vs. Robusta), and brew method (water temperature, roasting method, grind size, time, and equipment).(2) Coffee's constituents, including but not limited to caffeine, have neuromuscular, antioxidant, endocrine, cognitive, and metabolic (e.g. glucose disposal and vasodilation) effects that impact exercise performance and recovery.(3) Coffee's physiologic effects are influenced by dose, timing, habituation to a small degree (to coffee or caffeine), nutrigenetics, and potentially by gut microbiota differences, sex, and training status.(4) Coffee and/or its components improve performance across a temporal range of activities from reaction time, through brief power exercises, and into the aerobic time frame in most but not all studies. These broad and varied effects have been demonstrated in men (mostly) and in women, with effects that can differ from caffeine ingestion, per se. More research is needed.(5) Optimal dosing and timing are approximately two to four cups (approximately 473-946 ml or 16-32 oz.) of typical hot-brewed or reconstituted instant coffee (depending on individual sensitivity and body size), providing a caffeine equivalent of 3-6 mg/kg (among other components such as chlorogenic acids at approximately 100-400 mg per cup) 60 min prior to exercise.(6) Coffee has a history of controversy regarding side effects but is generally considered safe and beneficial for healthy, exercising individuals in the dose range above.(7) Coffee can serve as a vehicle for other dietary supplements, and it can interact with nutrients in other foods.(8) A dearth of literature exists examining coffee-specific ergogenic and recovery effects, as well as variability in the operational definition of "coffee," making conclusions more challenging than when examining caffeine in its many other forms of delivery (capsules, energy drinks, "pre-workout" powders, gum, etc.).
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Affiliation(s)
- Lonnie M Lowery
- Walsh University, Department of Exercise Science, North Canton, OH, USA
- Nutrition, Exercise and Wellness Associates, Cuyahoga Falls, USA
| | - Dawn E Anderson
- Indiana Institute of Technology, Department of Biological and Physical Sciences, Fort Wayne, USA
| | - Kelsey F Scanlon
- Walsh University, Department of Exercise Science, North Canton, OH, USA
| | - Abigail Stack
- University of Mount Union, Department of Exercise, Nutrition, and Sport Science Alliance, USA
| | | | - Sara C Campbell
- The State University of New Jersey, Department of Kinesiology and Health, Rutgers, New Brunswick, USA
| | - Chad M Kerksick
- Lindenwood University, Exercise and Performance Nutrition Laboratory, St. Charles, USA
| | | | | | - Trisha A VanDusseldorp
- Bonafide Health, LLC p/b JDS Therapeutics, Harrison, USA
- Jacksonville University, Department of Health and Exercise Sciences, Jacksonville, USA
| | - Douglas S Kalman
- Nova Southeastern University, Department of Nutrition, College of Osteopathic Medicine, Fort Lauderdale, USA
| | - Bill I Campbell
- University of South Florida, Performance & Physique Enhancement Laboratory, Tampa, USA
| | - Richard B Kreider
- Texas A&M University, Exercise & Sport Nutrition Lab, Department of Kinesiology and Sports Management, College Station, USA
| | - Jose Antonio
- Nova Southeastern University, Department of Health and Human Performance, Davie, USA
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Costa MSD, Pontes KSDS, Guedes MR, Barreto Silva MI, Klein MRST. Association of habitual coffee consumption with obesity, sarcopenia, bone mineral density and cardiovascular risk factors: A two-year follow-up study in kidney transplant recipients. Clin Nutr 2023; 42:1889-1900. [PMID: 37625318 DOI: 10.1016/j.clnu.2023.08.004] [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: 03/18/2023] [Revised: 07/06/2023] [Accepted: 08/06/2023] [Indexed: 08/27/2023]
Abstract
BACKGROUND & AIMS Recent evidence suggests that moderate coffee intake is associated with multiple health benefits, including lower risk of obesity, sarcopenia and cardiovascular disease (CVD) in the general population. However, to date, no study has evaluated these associations in kidney transplant recipients (KTR). The aim of the present study was to evaluate the association of habitual coffee consumption with obesity, sarcopenia, bone mineral density and CVD risk factors in KTR. METHODS This prospective 2 years-follow-up study included 170 KTR (59% men) aged 49.5 (42.0-57.0) years. At baseline participants were submitted to the following evaluations: clinical, laboratorial, dietary intake (including coffee), muscle strength, anthropometric and body composition by bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA). After two years 163 KTR were re-evaluated by anthropometry, BIA and muscle strength. Sarcopenia was defined according to EWGSOP2. Risk factors for CVD were hypertension, diabetes mellitus, dyslipidemia, metabolic syndrome and hyperhomcysteinemia. Participants were stratified according to coffee intake: 0 or 1 time/day (Gr0-1) and 2 or 3 times/day (Gr2-3). RESULTS The median coffee consumption was 200 (150-250)mL/day and 112 (71-155)mL/1000 kcal/day. At baseline, Gr2-3 vs. Gr0-1 exhibited significantly higher values of waist circumference, waist-to-height ratio (WHtR) and presented a higher odds ratio for central obesity according to WHtR (2.68; 95%CI:1.19-6.02; p = 0.02) after adjustment for confounders. Coffee consumption (mL/1000 kcal/day) showed, even after adjustment for confounders, (1) a positive association with all parameters of body adiposity (anthropometry, BIA and DXA) and (2) a negative association with muscle quality index. After two years, coffee intake (mL/1000 kcal/day) at baseline presented a positive correlation with changes in fat mass (kg) by BIA (r = 0.22, p = 0.01) after adjustment for confounders. CONCLUSION This study suggests that in KTR, higher coffee consumption is associated with increased adiposity, specially, central adiposity and lower muscle quality, but is not related with the other evaluated parameters.
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Affiliation(s)
- Mariana Silva da Costa
- Post Graduation Program in Medical Science, Rio de Janeiro State University, Rio de Janeiro, Brazil.
| | - Karine Scanci da Silva Pontes
- Post-Graduation Program in Clinical and Experimental Pathophysiology, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil.
| | - Marcella Rodrigues Guedes
- Post-Graduation Program in Clinical and Experimental Pathophysiology, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil.
| | - Maria Inês Barreto Silva
- Department of Applied Nutrition, Nutrition Institute, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil; Department of Applied Nutrition, Nutrition School, Federal University of the State of Rio de Janeiro (UNIRIO), Rio de Janeiro, Brazil; Human Nutrition Research Unit, Department of Agricultural, Food and Nutritional Science, Division of Human Nutrition, University of Alberta, Edmonton, Alberta, Canada.
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Shakoor H, Hussein H, Al-Hassan N, Alketbi M, Kizhakkayil J, Platat C. The Muscle-Conditioned Medium Containing Protocatechuic Acid Improves Insulin Resistance by Modulating Muscle Communication with Liver and Adipose Tissue. Int J Mol Sci 2023; 24:ijms24119490. [PMID: 37298440 DOI: 10.3390/ijms24119490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/07/2023] [Accepted: 05/12/2023] [Indexed: 06/12/2023] Open
Abstract
Diabetes mellitus is a public health concern, affecting 10.5% of the population. Protocatechuic acid (PCA), a polyphenol, exerts beneficial effects on insulin resistance and diabetes. This study investigated the role of PCA in improving insulin resistance and the crosstalk between muscle with liver and adipose tissue. C2C12 myotubes received four treatments: Control, PCA, insulin resistance (IR), and IR-PCA. Conditioned media from C2C12 was used to incubate HepG2 and 3T3-L1 adipocytes. The impact of PCA was analyzed on glucose uptake and signaling pathways. PCA (80 µM) significantly enhanced glucose uptake in C2C12, HepG2, and 3T3-L1 adipocytes (p < 0.05). In C2C12, PCA significantly elevated GLUT-4, IRS-1, IRS-2, PPAR-γ, P-AMPK, and P-Akt vs. Control (p ≤ 0.05), and modulated pathways in IR-PCA. In HepG2, PPAR-γ and P-Akt increased significantly in Control (CM) vs. No CM, and PCA dose upregulated PPAR-γ, P-AMPK, and P-AKT (p < 0.05). In the 3T3-L1 adipocytes, PI3K and GLUT-4 expression was elevated in PCA (CM) vs. No CM. A significant elevation of IRS-1, GLUT-4, and P-AMPK was observed in IR-PCA vs. IR (p ≤ 0.001). Herein, PCA strengthens insulin signaling by activating key proteins of that pathway and regulating glucose uptake. Further, conditioned media modulated crosstalk between muscle with liver and adipose tissue, thus regulating glucose metabolism.
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Affiliation(s)
- Hira Shakoor
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Haneen Hussein
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Nour Al-Hassan
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Mouza Alketbi
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Jaleel Kizhakkayil
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Carine Platat
- Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain 15551, United Arab Emirates
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Son Y, Lorenz WW, Paton CM. Linoleic acid-induced ANGPTL4 inhibits C2C12 skeletal muscle differentiation by suppressing Wnt/β-catenin. J Nutr Biochem 2023; 116:109324. [PMID: 36963729 DOI: 10.1016/j.jnutbio.2023.109324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/15/2023] [Accepted: 03/16/2023] [Indexed: 03/26/2023]
Abstract
Skeletal muscle differentiation is an essential process in embryonic development as well as regeneration and repair throughout the lifespan. It is well-known that dietary fat intake impacts biological and physiological function in skeletal muscle, however, understanding of the contribution of nutritional factors in skeletal muscle differentiation is limited. Therefore, the objective of the current study was to evaluate the effects of free fatty acids (FFAs) on skeletal muscle differentiation in vitro. We used C2C12 murine myoblasts and treated them with various FFAs, which revealed a unique response of angiopoietin-like protein-4 (ANGPTL4) with linoleic acid (LA) treatment that was associated with reduced differentiation. LA significantly inhibited myotube formation and lowered the protein expression of myogenic regulatory factors, including MyoD and MyoG and increased Pax7 during cell differentiation. Next, recombinant ANGPTL4 protein or siRNA knockdown of ANGPTL4 was employed to examine its role in skeletal muscle differentiation, and we confirmed that ANGPTL4 knockdown at day 2 and -6 of differentiation restored myotube formation in the presence of LA. RNA-sequencing analysis revealed that ANGPTL4-mediated inhibition of skeletal muscle differentiation at day 2 as well as LA at day 2 or -6 led to a reduction in Wnt/β-catenin signaling pathways. We confirmed that LA reduced Wnt11 and Axin2 while increasing expression of the Wnt inhibitor, Dkk2. ANGPTL4 knockdown increased β-catenin protein in the nucleus in response to LA and increased Axin2 and Wnt11 expression. Taken together, these results demonstrate that LA induced ANGPTL4 inhibits C2C12 differentiation by suppressing Wnt/β-catenin signaling.
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Affiliation(s)
- Yura Son
- Department of Nutritional Sciences
| | - W Walter Lorenz
- Georgia Genomics and Bioinformatics Core and Institute of Bioinformatics
| | - Chad M Paton
- Department of Nutritional Sciences; Department of Food Science & Technology, University of Georgia, Athens, GA, USA.
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Lee DY, Shin S. Sarcopenic obesity is associated with coffee intake in elderly Koreans. Front Public Health 2023; 11:990029. [PMID: 36817878 PMCID: PMC9932983 DOI: 10.3389/fpubh.2023.990029] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 01/09/2023] [Indexed: 02/05/2023] Open
Abstract
This study assessed the association between sarcopenic obesity (S+O+) and coffee intake inelderly Koreans. This study obtained data from the Korea National Health and Nutrition Examination Survey (KNHANES, 2008-2011), a cross-sectional and nationally representative survey conducted by the Korean Centers for Disease Control and Prevention. Of the 2,661 participants included in this study, there was a significant difference between 5.861 (95% CI 2.024-16.971) in less than one cup of coffee, and 6.245 (95% CI 2.136-18.260) in one cup of coffee, and 4.323 (95% CI 1.457-12.824) in two cups of coffee compared to three or more than cups of coffee. In contrast, in the case of sarcopenia or obesity only (S+O- or S-O+), no significant difference was found in any model. The results suggest that the elderly who consume less than one cup of coffee per day had a greater risk of S+O+ than those who consume more than three cups per day. Furthermore, there was an association between coffee intake and sarcopenia but not with obesity. Therefore, coffee intake may have prevented musculoskeletal loss in these patients.
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Affiliation(s)
- Do-Youn Lee
- Research Institute of Human Ecology, Yeungnam University, Gyeongsan-si, Gyeongbuk, Republic of Korea,Neuromuscular Control Laboratory, Yeungnam University, Gyeongsan-si, Gyeongbuk, Republic of Korea
| | - Sunghoon Shin
- Research Institute of Human Ecology, Yeungnam University, Gyeongsan-si, Gyeongbuk, Republic of Korea,Neuromuscular Control Laboratory, Yeungnam University, Gyeongsan-si, Gyeongbuk, Republic of Korea,*Correspondence: Sunghoon Shin ✉
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Son Y, Paton CM. A Review of free fatty acid-induced cell signaling, angiopoietin-like protein 4, and skeletal muscle differentiation. Front Physiol 2022; 13:987977. [PMID: 36148297 PMCID: PMC9485487 DOI: 10.3389/fphys.2022.987977] [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: 07/06/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Postnatal skeletal muscle differentiation from quiescent satellite cells is a highly regulated process, although our understanding of the contribution of nutritional factors in myogenesis is limited. Free fatty acids (FFAs) are known to cause detrimental effects to differentiated skeletal muscle cells by increasing oxidative stress which leads to muscle wasting and insulin resistance in skeletal muscle. In addition, FFAs are thought to act as inhibitors of skeletal muscle differentiation. However, the precise molecular mechanisms underlying the effects of FFAs on skeletal muscle differentiation remains to be elucidated. There is a clear relationship between dietary FFAs and their ability to suppress myogenesis and we propose the hypothesis that the FFA-mediated increase in angiopoietin-like protein 4 (ANGPTL4) may play a role in the inhibition of differentiation. This review discusses the role of FFAs in skeletal muscle differentiation to-date and proposes potential mechanisms of FFA-induced ANGPTL4 mediated inhibition of skeletal muscle differentiation.
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Affiliation(s)
- Yura Son
- Department Nutritional Sciences, Athens, GA, United States
| | - Chad M. Paton
- Department Nutritional Sciences, Athens, GA, United States
- Department of Food Science and Technology, University of Georgia, Athens, GA, United States
- *Correspondence: Chad M. Paton,
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Mazeaud S, Castellana F, Coelho-Junior HJ, Panza F, Rondanelli M, Fassio F, De Pergola G, Zupo R, Sardone R. Coffee Drinking and Adverse Physical Outcomes in the Aging Adult Population: A Systematic Review. Metabolites 2022; 12:metabo12070654. [PMID: 35888778 PMCID: PMC9318773 DOI: 10.3390/metabo12070654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 02/01/2023] Open
Abstract
Declining physical functioning covers a prominent span of later life and, as a modifiable driver to be leveraged, lifestyle plays a critical role. This research aimed to undertake a systematic review investigating the association between levels of coffee consumption and declining conditions of physical functioning during aging, such as sarcopenia, frailty, weakness, falls, and disability, while trying to explain the underlying mechanisms, both from a metabolic and social angle. The literature was reviewed from inception to May 2022 using different electronic databases, not excluding the grey literature. Two independent researchers assessed the eligibility of 28 retrieved articles based on inclusion criteria; only 10 met the eligibility requirements. Different levels of coffee consumption were considered as exposure(s) and comparator(s) according to PECO concepts, while middle age was an inclusion criterion (40+ years). No limitations were set on the tool(s) assessing physical functioning, type of dietary assessment(s), study setting, general health status, country, and observational study design (cohort, cross-sectional). The cross-sectional design outnumbered the longitudinal (90%, n = 9/10). The overall quality rating was judged poor (70%) to good (30%). It was found that higher exposure to coffee drinking is strongly associated with better physical functioning outcomes, and the findings showed consistency in the direction of association across selected reports. Countering physical decline is a considerable challenge in easing the burden of population aging. For preventive models that aim to allow a better lifestyle, it has to be kept in mind that increased coffee consumption does not lead to poor physical functioning.
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Affiliation(s)
- Simon Mazeaud
- UFR of Biology, Campus Universitaire des Cézeaux, University of Clermont Auvergne (UCA), 63000 Clermont-Ferrand, France;
| | - Fabio Castellana
- Unit of Data Sciences and Technology Innovation for Population Health, Department of Basic Medicine, National Institute of Gastroenterology “Saverio de Bellis”, Research Hospital, 70013 Castellana Grotte, Italy; (F.C.); (R.S.)
| | - Hélio José Coelho-Junior
- Applied Kinesiology Laboratory-LCA, School of Physical Education, University of Campinas, Campinas 13083-970, Brazil;
- Department of Geriatrics, Neurosciences, and Orthopedics, Teaching Hospital “Agostino Gemelli”, Catholic University of the Sacred Heart, 00168 Rome, Italy
| | - Francesco Panza
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, 70013 Bari, Italy;
| | - Mariangela Rondanelli
- Unit of Human and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy;
| | - Federico Fassio
- Unit of Biostatistics and Clinical Epidemiology, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy;
| | - Giovanni De Pergola
- Unit of Geriatrics and Internal Medicine, National Institute of Gastroenterology “Saverio de Bellis”, Research Hospital, 70013 Castellana Grotte, Italy;
| | - Roberta Zupo
- Unit of Data Sciences and Technology Innovation for Population Health, Department of Basic Medicine, National Institute of Gastroenterology “Saverio de Bellis”, Research Hospital, 70013 Castellana Grotte, Italy; (F.C.); (R.S.)
- Correspondence:
| | - Rodolfo Sardone
- Unit of Data Sciences and Technology Innovation for Population Health, Department of Basic Medicine, National Institute of Gastroenterology “Saverio de Bellis”, Research Hospital, 70013 Castellana Grotte, Italy; (F.C.); (R.S.)
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Guan X, Yan Q, Wang D, Du G, Zhou J. IGF-1 Signaling Regulates Mitochondrial Remodeling during Myogenic Differentiation. Nutrients 2022; 14:nu14061249. [PMID: 35334906 PMCID: PMC8954578 DOI: 10.3390/nu14061249] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle is essential for locomotion, metabolism, and protein homeostasis in the body. Mitochondria have been considered as a key target to regulate metabolic switch during myo-genesis. The insulin-like growth factor 1 (IGF-1) signaling through the AKT/mammalian target of rapamycin (mTOR) pathway has a well-documented role in promoting muscle growth and regeneration, but whether it is involved in mitochondrial behavior and function remains un-examined. In this study, we investigated the effect of IGF-1 signaling on mitochondrial remodeling during myogenic differentiation. The results demonstrated that IGF-1 signaling stimulated mitochondrial biogenesis by increasing mitochondrial DNA copy number and expression of genes such as Cox7a1, Tfb1m, and Ppargc1a. Moreover, the level of mitophagy in differentiating myoblasts elevated significantly with IGF-1 treatment, which contributed to mitochondrial turnover. Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) and BCL2/adenovirus E1B 19 kDa protein-interacting protein 3 (BNIP3) were identified as two key mediators of IGF-1-induced mitochondrial biogenesis and mitophagy, respectively. In addition, IGF-1 supplementation could alleviate impaired myoblast differentiation caused by mitophagy deficiency, as evidenced by increased fusion index and myosin heavy chain expression. These findings provide new insights into the role of IGF-1 signaling and suggest that IGF-1 signaling can serve as a target for the research and development of drugs and nutrients that support muscle growth and regeneration.
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Affiliation(s)
- Xin Guan
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China; (X.G.); (Q.Y.); (D.W.); (G.D.)
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Qiyang Yan
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China; (X.G.); (Q.Y.); (D.W.); (G.D.)
| | - Dandan Wang
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China; (X.G.); (Q.Y.); (D.W.); (G.D.)
| | - Guocheng Du
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China; (X.G.); (Q.Y.); (D.W.); (G.D.)
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
| | - Jingwen Zhou
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China; (X.G.); (Q.Y.); (D.W.); (G.D.)
- Engineering Research Center of Ministry of Education on Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Jiangsu Province Engineering Research Center of Food Synthetic Biotechnology, Jiangnan University, Wuxi 214122, China
- Correspondence: ; Tel.: +86-510-8591-4371
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11
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Samadi M, Khosravy T, Azadbakht L, Rezaei M, Mosafaghadir M, Kamari N, Bagheri A, Pasdar Y, Najafi F, Hamze B, Soleimani D. Major dietary patterns in relation to muscle strength status among middle-aged people: A cross-sectional study within the RaNCD cohort. Food Sci Nutr 2021; 9:6672-6682. [PMID: 34925797 PMCID: PMC8645754 DOI: 10.1002/fsn3.2617] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 09/13/2021] [Accepted: 09/19/2021] [Indexed: 11/15/2022] Open
Abstract
Grip strength in midlife can predict physical disability in senior years. Recent evidence shows the critical role of nutritional status on muscle function. We aimed to elucidate whether adherence to a particular dietary pattern would be associated with abnormal muscle strength among middle-aged people. In this cross-sectional study, a semiquantitative Food Frequency Questionnaire was used to assess the dietary intake of 2781 participants in the Ravansar Non-Communicable Chronic Disease (RaNCD) cohort. Major dietary patterns from 28 main food groups were extracted using principal component analysis. Binary logistic regression was used to determine the association between the tertiles of the major dietary patterns and muscle strength status. Two major dietary patterns were identified: the "mixed dietary pattern" that heavily loaded with fruits, vegetables, nuts, dairies, sweets, legumes, dried fruits, fish, red meat, butter, whole grains, natural juices, poultry, pickles, olive, industrial juice, egg, processed meat, and snacks and "unhealthy dietary pattern" that heavily loaded by fats, sugar, refined grains, soft drink, salt, organ meat, tea, and coffee. Adherence to the mixed dietary pattern (OR = 1.03, 95% CI = 0.8-1.33, P for trend = 0.77) and the unhealthy dietary pattern (OR = 1.01, 95% CI = 0.79-0.13, P for trend = 0.89) did not associate with abnormal muscle strength. This study suggests that the dietary pattern involving the consumption of healthy and unhealthy food does not have an effect on muscle strength in middle-aged adults.
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Affiliation(s)
- Mehnoosh Samadi
- Department of Nutritional SciencesSchool of Nutritional Sciences and Food TechnologyKermanshah University of Medical SciencesKermanshahIran
- Department of Nutritional SciencesResearch Center for Environmental Determinants of Health (RCEDH)Health InstituteKermanshah University of Medical SciencesKermanshahIran
| | - Tina Khosravy
- Department of Health and NutritionLorestan University of Medical ScienceLorestanIran
| | - Leila Azadbakht
- Department of Community NutritionSchool of Nutritional Sciences and DieteticsTehran University of Medical SciencesTehranIran
| | - Mansour Rezaei
- Biostatistics and Epidemiology DepartmentSchool of Public HealthKermanshah University of Medical SciencesKermanshahIran
| | - Mohammad Mosafaghadir
- Department of Nutritional SciencesSchool of Nutritional Sciences and Food TechnologyKermanshah University of Medical SciencesKermanshahIran
| | - Negin Kamari
- Department of Nutritional SciencesSchool of Nutritional Sciences and Food TechnologyKermanshah University of Medical SciencesKermanshahIran
| | - Amir Bagheri
- Department of Nutritional SciencesResearch Center for Environmental Determinants of Health (RCEDH)Health InstituteKermanshah University of Medical SciencesKermanshahIran
| | - Yahya Pasdar
- Department of Nutritional SciencesSchool of Nutritional Sciences and Food TechnologyKermanshah University of Medical SciencesKermanshahIran
| | - Farid Najafi
- Department of EpidemiologyResearch Center for Environmental Determinants of Health (RCEDH)Health instituteKermanshah University of Medical SciencesKermanshahIran
| | - Behrouz Hamze
- Department of Public HealthKermanshah University of Medical SciencesKermanshahIran
| | - Davood Soleimani
- Department of Nutritional SciencesSchool of Nutritional Sciences and Food TechnologyKermanshah University of Medical SciencesKermanshahIran
- Research Center of Oils and FatsKermanshah University of Medical SciencesKermanshahIran
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12
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Iwasaka C, Yamada Y, Nishida Y, Hara M, Yasukata J, Miyoshi N, Shimanoe C, Nanri H, Furukawa T, Koga K, Horita M, Higaki Y, Tanaka K. Association between habitual coffee consumption and skeletal muscle mass in middle-aged and older Japanese people. Geriatr Gerontol Int 2021; 21:950-958. [PMID: 34405954 DOI: 10.1111/ggi.14264] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/22/2021] [Accepted: 07/28/2021] [Indexed: 12/28/2022]
Abstract
AIMS Coffee consumption has been suggested, in animal studies, to inhibit the progression of sarcopenia, possibly through its anti-inflammatory effects; however, few studies have been carried out in humans. We aimed to examine whether coffee consumption was related to indicators of sarcopenia in a Japanese population, and whether the association was mediated by reduced inflammation. METHODS This study was a cross-sectional design. Participants were community residents (n = 6369) aged 45-74 years. We measured skeletal muscle mass index (SMI; kg/m2 ) by a bioelectrical impedance method, and grip strength with a Smedley-type dynamometer. Habitual coffee consumption was assessed by a self-administered questionnaire. Serum high-sensitivity C-reactive protein was measured as an inflammatory marker. The association between habitual coffee consumption and SMI or grip strength was analyzed with a linear regression model adjusted for covariates. RESULTS A significant positive association was found between coffee consumption and SMI (men: β = 0.023; Ptrend = 0.004, women: β = 0.011; Ptrend = 0.012). Further adjustment for high-sensitivity C-reactive protein did not materially alter the results (men: β = 0.023; Ptrend = 0.005, women: β = 0.009; Ptrend = 0.024). The relationship between coffee consumption and grip strength did not reach statistical significance; however, a positive trend was observed (men: β = 0.208; Ptrend = 0.085, women: β = 0.092; Ptrend = 0.167). CONCLUSIONS We found that coffee consumption was positively associated with SMI independently of inflammation in middle-aged and older Japanese people. Reduced inflammation by coffee does not seem to be an important mediator, and further investigations are required to explore the mechanisms of this association. Geriatr Gerontol Int 2021; 21: 950-958.
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Affiliation(s)
- Chiharu Iwasaka
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan.,Department of Rehabilitation, Soejima Orthopedic Hospital, Saga, Japan
| | - Yosuke Yamada
- National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan
| | - Yuichiro Nishida
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Megumi Hara
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Jun Yasukata
- Faculty of Human Sciences, Department of Sports and Health Sciences, University of East Asia, Yamaguchi, Japan
| | - Nobuyuki Miyoshi
- Department of Childhood Care Education, Seika Women's Junior College, Fukuoka, Japan
| | | | - Hinako Nanri
- National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan
| | - Takuma Furukawa
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Kayoko Koga
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Mikako Horita
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Yasuki Higaki
- Laboratory of Exercise Physiology, Faculty of Sports and Health Science, Fukuoka University, Fukuoka, Japan
| | - Keitaro Tanaka
- Department of Preventive Medicine, Faculty of Medicine, Saga University, Saga, Japan
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13
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Polyphenols and Their Effects on Muscle Atrophy and Muscle Health. Molecules 2021; 26:molecules26164887. [PMID: 34443483 PMCID: PMC8398525 DOI: 10.3390/molecules26164887] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 12/17/2022] Open
Abstract
Skeletal muscle atrophy is the decrease in muscle mass and strength caused by reduced protein synthesis/accelerated protein degradation. Various conditions, such as denervation, disuse, aging, chronic diseases, heart disease, obstructive lung disease, diabetes, renal failure, AIDS, sepsis, cancer, and steroidal medications, can cause muscle atrophy. Mechanistically, inflammation, oxidative stress, and mitochondrial dysfunction are among the major contributors to muscle atrophy, by modulating signaling pathways that regulate muscle homeostasis. To prevent muscle catabolism and enhance muscle anabolism, several natural and synthetic compounds have been investigated. Recently, polyphenols (i.e., natural phytochemicals) have received extensive attention regarding their effect on muscle atrophy because of their potent antioxidant and anti-inflammatory properties. Numerous in vitro and in vivo studies have reported polyphenols as strongly effective bioactive molecules that attenuate muscle atrophy and enhance muscle health. This review describes polyphenols as promising bioactive molecules that impede muscle atrophy induced by various proatrophic factors. The effects of each class/subclass of polyphenolic compounds regarding protection against the muscle disorders induced by various pathological/physiological factors are summarized in tabular form and discussed. Although considerable variations in antiatrophic potencies and mechanisms were observed among structurally diverse polyphenolic compounds, they are vital factors to be considered in muscle atrophy prevention strategies.
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14
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Wang W, Wen C, Guo Q, Li J, He S, Yin Y. Dietary Supplementation With Chlorogenic Acid Derived From Lonicera macranthoides Hand-Mazz Improves Meat Quality and Muscle Fiber Characteristics of Finishing Pigs via Enhancement of Antioxidant Capacity. Front Physiol 2021; 12:650084. [PMID: 33959038 PMCID: PMC8096064 DOI: 10.3389/fphys.2021.650084] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 03/22/2021] [Indexed: 11/17/2022] Open
Abstract
Chlorogenic acid (CGA), one of the most abundant polyphenol compounds in nature, is regarded as a potential feed additive to promote animal health and enhance the meat products’ quality via its various biological properties. The current study aims: (1) to determine whether dietary CGA supplementation improves meat quality and muscle fiber characteristics, and (2) to ascertain whether the corresponding improvement is associated with enhancing the antioxidant capacity of the finishing pigs. Thirty-two (Large × White × Landrace) finishing pigs with an average initial body weight of 71.89 ± 0.92 kg were allotted to 4 groups, and each was fed diets supplemented with 0, 0.02, 0.04, or 0.08% (weight/weight) of CGA. The meat quality traits, muscle fiber characteristics, and the serum and muscle antioxidant capacity were assessed. Results suggested that, compared with the control group, dietary CGA supplementation at a level of 0.04% significantly decreased the b∗ value and distinctly increased the inosinic acid content of longissimus dorsi (LD) and biceps femoris (BF) muscles (P < 0.01). Moreover, dietary supplementation with 0.04% of CGA markedly improved the amino acid composition of LD and BF muscles, as well as augmented the mRNA abundance of Nrf-2, GPX-1, MyoD, MyoG, and oxidative muscle fiber (I and IIa) in LD muscle (P < 0.05). This result indicates that a diet supplemented with 0.04% of CGA promotes myogenesis and induces a transformation toward more oxidative muscle fibers in LD muscle, subsequently improving meat quality. Besides, dietary supplementation with 0.02% and 0.04% of CGA notably enhanced the serum GSH-PX level (P < 0.01). Considering all these effects are closely related to the alteration of antioxidant activities of the finishing pigs, the underlying metabolism is likely connected to the boosting of their antioxidant capacity induced by dietary CGA.
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Affiliation(s)
- Wenlong Wang
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, School of Life Sciences, Hunan Normal University, Changsha, China.,National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Chaoyue Wen
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, School of Life Sciences, Hunan Normal University, Changsha, China.,National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Qiuping Guo
- National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Jianzhong Li
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, School of Life Sciences, Hunan Normal University, Changsha, China
| | - Shanping He
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, School of Life Sciences, Hunan Normal University, Changsha, China
| | - Yulong Yin
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, School of Life Sciences, Hunan Normal University, Changsha, China.,National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China.,University of Chinese Academy of Sciences, Beijing, China
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15
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Habitual coffee intake and risk for nonalcoholic fatty liver disease: a two-sample Mendelian randomization study. Eur J Nutr 2020; 60:1761-1767. [PMID: 32856188 DOI: 10.1007/s00394-020-02369-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 08/19/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE Epidemiological studies support a protective role of habitual coffee and caffeine consumption against the risk of non-alcoholic fatty liver disease (NAFLD). We aimed to investigate the causal relationship between coffee intake and the risk of NAFLD. METHODS We performed a two-sample Mendelian randomization (MR) analysis using SNPs associated with habitual coffee intake in a published genome-wide association study (GWAS) as genetic instruments and summary-level data from a published GWAS of NAFLD (1122 cases and 399,900 healthy controls) in the UK Biobank. The causal relationship was estimated with the inverse weighted method using a 4-SNP and 6-SNP instrument based on the single largest non-UK Biobank GWAS (n = 91,462) and meta-analysis (n = 121,524) of GWAS data on habitual coffee intake, respectively. To maximize power, we also used up to 77 SNPs associated with coffee intake at a liberal significance level (p ≤ 1e-4) as instruments. RESULTS We observed a non-significant trend towards a causal protective effect of coffee intake on NAFLD based upon either the 4-SNP (OR: 0.76; 95% CI 0.51, 1.14, p = 0.19) or 6-SNP genetic instruments (OR: 0.77; 95% CI 0.48, 1.25, p = 0.29). The result also remains non-significant when using the more liberal 77-SNP instrument. CONCLUSION Our findings do not support a causal relationship between coffee intake and NAFLD risk. However, despite the largest-to-date sample size, the power of this study may be limited by the non-specificity and moderate effect size of the genetic alleles on coffee intake.
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Ahn J, Ha TY, Ahn J, Jung CH, Seo HD, Kim MJ, Kim YS, Jang YJ. Undaria pinnatifida extract feeding increases exercise endurance and skeletal muscle mass by promoting oxidative muscle remodeling in mice. FASEB J 2020; 34:8068-8081. [PMID: 32293073 DOI: 10.1096/fj.201902399rr] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 03/25/2020] [Accepted: 03/31/2020] [Indexed: 01/10/2024]
Abstract
Dietary habits can alter the skeletal muscle performance and mass, and Undaria pinnatifida extracts are considered a potent candidate for improving the muscle mass and function. Therefore, in this study, we aimed to assess the effect of U pinnatifida extracts on exercise endurance and skeletal muscle mass. C57BL/6 mice were fed a 0.25% U pinnatifida extract-containing diet for 8 weeks. U pinnatifida extract-fed mice showed increased running distance, total running time, and extensor digitorum longus and gastrocnemius muscle weights. U pinnatifida extract supplementation upregulated the expression of myocyte enhancer factor 2C, oxidative muscle fiber markers such as myosin heavy chain 1 (MHC1), and oxidative biomarkers in the gastrocnemius muscles. Compared to the controls, U pinnatifida extract-fed mice showed larger mitochondria and increased gene and protein expression of molecules involved in mitochondrial biogenesis and oxidative phosphorylation, including nuclear respiratory factor 2 and mitochondrial transcription factor A. U pinnatifida extract supplementation also increased the mRNA expression of angiogenesis markers, including VEGFa, VEGFb, FGF1, angiopoietin 1, and angiopoietin 2, in the gastrocnemius muscles. Importantly, U pinnatifida extracts upregulated the estrogen-related receptor γ and peroxisome proliferator-activated receptor gamma co-activator 1-alpha (PGC-1α)/AMP-activated protein kinase (AMPK)/sirtuin 1 (SIRT1) networks, which are partially increased by fucoxanthin, hesperetin, and caffeic acid treatments. Collectively, U pinnatifida extracts enhance mitochondrial biogenesis, increase oxidative muscle fiber, and promote angiogenesis in skeletal muscles, resulting in improved exercise capacity and skeletal muscle mass. These effects are attributable to fucoxanthin, hesperetin, and caffeic acid, bioactive components of U pinnatifida extracts.
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Affiliation(s)
- Jisong Ahn
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
- Department of Food Science and Technology, Chonbuk National University, Jeonju-si, Republic of Korea
| | - Tae Youl Ha
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
- Division of Food Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Jiyun Ahn
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
- Division of Food Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Chang Hwa Jung
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
- Division of Food Biotechnology, University of Science and Technology, Daejeon, Republic of Korea
| | - Hyo Deok Seo
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Min Jung Kim
- Healthcare Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
| | - Young-Soo Kim
- Department of Food Science and Technology, Chonbuk National University, Jeonju-si, Republic of Korea
| | - Young Jin Jang
- Natural Materials and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, Republic of Korea
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Kim C, Kim MB, Hwang JK. Red Bean Extract Inhibits Immobilization-Induced Muscle Atrophy in C57BL/6N Mice. J Med Food 2019; 23:29-36. [PMID: 31532323 DOI: 10.1089/jmf.2019.4426] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Muscle atrophy, which is characterized by a decrease in muscle mass, function, and protein content, can be caused by aging, disease, and physical inactivity. Red bean or Adzuki bean (Vigna angularis) has been consumed as an edible legume. Red bean possesses various functional properties, such as antidiabetes, antiaging, anti-inflammatory, anticancer, and hepatoprotective activities. However, little is known about its potential inhibitory effect on muscle atrophy. In this study, we investigated the inhibitory effect of red bean extract (RBE) on muscle atrophy in an immobilized hindlimb muscle of C57BL/6J mice. RBE dose-dependently increased grip strength, exercise endurance, muscle weight, and myofiber area. At the molecular level, RBE significantly reduced the mRNA expression of proteolysis-related genes, such as muscle ring finger and muscle atrophy F-box by preventing the translocation of Forkhead box 3. RBE also activated the phosphatidylinositol 3 kinase/Akt pathway, subsequently stimulating the mammalian target of rapamycin/70-kDa ribosomal protein S6 kinase/eukaryotic initiation factor 4E binding protein 1 pathway involved in protein synthesis. Overall, red bean could be used as a functional food ingredient or therapeutic agent to inhibit muscle atrophy.
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Affiliation(s)
- Changhee Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | - Mi-Bo Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | - Jae-Kwan Hwang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
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18
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Hwang SY, Sung B, Kim ND. Roles of folate in skeletal muscle cell development and functions. Arch Pharm Res 2019; 42:319-325. [DOI: 10.1007/s12272-018-1100-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 12/11/2018] [Indexed: 01/24/2023]
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Hong OK, Son JW, Kwon HS, Lee SS, Kim SR, Yoo SJ. Alpha-lipoic acid preserves skeletal muscle mass in type 2 diabetic OLETF rats. Nutr Metab (Lond) 2018; 15:66. [PMID: 30275871 PMCID: PMC6162899 DOI: 10.1186/s12986-018-0302-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 09/14/2018] [Indexed: 12/23/2022] Open
Abstract
Background Increased oxidative stress and impaired antioxidant defense are important mechanisms in the pathogenesis of diabetic myopathy. Alpha-lipoic acid (ALA) has been indicated as a weight-loss treatment in rodents and humans, but studies are limited. In the present study, we aimed to determine the influence of ALA, a potent biological antioxidant, on metabolic and growth processes in diabetic rat skeletal muscle. Methods Male 25-week-old type 2 diabetic rats (OLETF) were randomly divided into two groups, a control group (OLETF-C) and an ALA-treated group (OLETF-ALA) supplemented with 100 mg/kg ALA for 8 weeks. Age-matched, healthy, nondiabetic LETO (LETO-C) rats were used as controls. Results At 32 weeks of age, body weight was decreased by 6.8%, and the areas under the curve of IP-GTT, fasting glucose, and insulin were less in OLETF-ALA rats compared with OLETF-C rats. ALA significantly preserved muscle mass and enhanced muscle fiber cross-sectional area and fiber frequency percentage in the skeletal muscle of OLETF rats. Although the activation of myoD, myogenin, and myostatin in gastrocnemius muscle was significantly inhibited in OLETF-ALA rats relative to OLETF-C rats, there were no differences in the expression levels of muscle atrogin-1 and MuRF1 between the two groups. ALA treatment significantly increased the levels of phosphorylated 5'-AMPK, SIRT1, and PGC-1α, as well as the levels of phosphorylated AKT, mTOR, and p70S6 kinase in OLETF-ALA rats compared with OLETF-C rats. In contrast, the levels of phosphorylated p38 MAPK, IRS-1, and FOXO1 were decreased in OLETF-ALA rats compared with OLETF-C rats. Conclusions ALA treatment preserved mass in the gastrocnemius muscles of OLETF rats. ALA significantly upregulated the AMPK/SIRT1/PGC-1α and AKT/mTOR/p70S6K signaling pathways in OLETF rat skeletal muscle. Therefore, ALA may be a potential therapeutic intervention for skeletal muscle loss in animal models of insulin resistance.
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Affiliation(s)
- Oak-Kee Hong
- 1Department of Internal Medicine, College of Medicine, The Catholic University of Korea, 222, Banpo-daro, Seocho-gu, Seoul, 06591 Republic of Korea
| | - Jang-Won Son
- 2Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327, Sosa-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14647 Republic of Korea
| | - Hyuk-Sang Kwon
- 3Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 10, 63-ro, Yeongdeungpo-gu, Seoul, 07345 Republic of Korea
| | - Seong-Su Lee
- 2Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327, Sosa-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14647 Republic of Korea
| | - Sung-Rae Kim
- 2Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327, Sosa-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14647 Republic of Korea
| | - Soon Jib Yoo
- 2Division of Endocrinology and Metabolism, Department of Internal Medicine, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 327, Sosa-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14647 Republic of Korea
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