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Uzelac T, Takić M, Stevanović V, Vidović N, Pantović A, Jovanović P, Jovanović V. The Potential Benefits of Acute Aronia Juice Supplementation on Physical Activity Induced Alterations of the Serum Protein Profiles in Recreational Runners: A Pilot Study. Healthcare (Basel) 2024; 12:1276. [PMID: 38998811 PMCID: PMC11240927 DOI: 10.3390/healthcare12131276] [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: 06/03/2024] [Revised: 06/15/2024] [Accepted: 06/20/2024] [Indexed: 07/14/2024] Open
Abstract
Intensive physical activity (PA) can lead to proteinuria and, consequently, serum protein profiles in athletes. Therefore, the aim of this study was to investigate the effects of acute aronia juice consumption before a simulated half-marathon race on serum protein profiles in recreational runners. The pilot study was designed as a single-blind, placebo-controlled, crossover study, with 10 male participants who consumed aronia juice (containing 1.3 g polyphenols) or placebo before the race. The blood levels of total proteins, albumin, the non-albumin fractions gamma, beta, alpha2 and alpha1, as well as renal function parameters, were determined before and 15 min, 1 h and 24 h after the race. The significant changes in urea, creatinine and uric acid levels were noticed at selected time points in both groups. In the placebo group, a significant decrease in total proteins (p < 0.05) was observed 24 h after the race, along with an increase in gamma fraction abundance (p < 0.05). In addition, urea and uric acid levels returned to baseline only in the aronia group 24 h after the race. Thus, according to the results obtained, acute aronia juice supplementation before intensive PA could influence the transient change in renal function and PA-induced protein loss in recreational runners.
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Affiliation(s)
- Tamara Uzelac
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Marija Takić
- Institute for Medical Research, National Institute of Republic of Serbia, Group for Nutrition and Metabolism, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeuša Košćuškog 1, 11000 Belgrade, Serbia
| | - Vuk Stevanović
- Institute for Medical Research, National Institute of Republic of Serbia, Group for Nutrition and Metabolism, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeuša Košćuškog 1, 11000 Belgrade, Serbia
| | - Nevena Vidović
- Institute for Medical Research, National Institute of Republic of Serbia, Group for Nutrition and Metabolism, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeuša Košćuškog 1, 11000 Belgrade, Serbia
| | - Ana Pantović
- Institute for Medical Research, National Institute of Republic of Serbia, Group for Nutrition and Metabolism, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeuša Košćuškog 1, 11000 Belgrade, Serbia
| | - Petar Jovanović
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
- Institute for Medical Research, National Institute of Republic of Serbia, Group for Nutrition and Metabolism, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeuša Košćuškog 1, 11000 Belgrade, Serbia
| | - Vesna Jovanović
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
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Valder S, Habersatter E, Kostov T, Quenzer S, Herzig L, von Bernuth J, Matits L, Herdegen V, Diel P, Isenmann E. The Influence of a Polyphenol-Rich Red Berry Fruit Juice on Recovery Process and Leg Strength Capacity after Six Days of Intensive Endurance Exercise in Recreational Endurance Athletes. Nutrients 2024; 16:1428. [PMID: 38794667 PMCID: PMC11124493 DOI: 10.3390/nu16101428] [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: 03/17/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Various nutritional strategies are increasingly used in sports to reduce oxidative stress and promote recovery. Chokeberry is rich in polyphenols and can reduce oxidative stress. Consequently, chokeberry juices and mixed juices with chokeberry content are increasingly used in sports. However, the data are very limited. Therefore, this study investigates the effects of the short-term supplementation of a red fruit juice drink with chokeberry content or a placebo on muscle damage, oxidative status, and leg strength during a six-day intense endurance protocol. METHODS Eighteen recreational endurance athletes participated in a cross-over high intensity interval training (HIIT) design, receiving either juice or a placebo. Baseline and post-exercise assessments included blood samples, anthropometric data, and leg strength measurements. RESULTS A significant increase was measured in muscle damage following the endurance protocol in all participants (∆ CK juice: 117.12 ± 191.75 U/L, ∆ CK placebo: 164.35 ± 267.00 U/L; p = 0.001, η2 = 0.17). No group effects were detected in exercise-induced muscle damage (p = 0.371, η2 = 0.010) and oxidative status (p = 0.632, η2 = 0.000). The reduction in strength was stronger in the placebo group, but group effects are missing statistical significance (∆ e1RM juice: 1.34 ± 9.26 kg, ∆ e1RM placebo: -3.33 ± 11.49 kg; p = 0.988, η2 = 0.000). CONCLUSION Although a reduction in strength can be interpreted for the placebo treatment, no statistically significant influence of chokeberry could be determined. It appears that potential effects may only occur with prolonged application and a higher content of polyphenols, but further research is needed to confirm this.
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Affiliation(s)
- Sarah Valder
- Department of Preventive and Rehabilitative Sport Medicine, Institute of Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Elisabeth Habersatter
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Tihomir Kostov
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Sina Quenzer
- Eckes-Granini Group GmbH, 55268 Nieder-Olm, Germany
- Department of Beverage Research, Chair Analysis and Technology of Plant-Based Foods, Geisenheim University, 65366 Geisenheim, Germany
| | - Lukas Herzig
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Jakob von Bernuth
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Lynn Matits
- Clinical & Biological Psychology, Institute of Psychology and Education, Ulm University, 89081 Ulm, Germany
- Division of Sports and Rehabilitation Medicine, Department of Medicine, Ulm University Hospital, 89081 Ulm, Germany
| | | | - Patrick Diel
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Eduard Isenmann
- Department of Molecular and Cellular Sport Medicine, Institute for Cardiovascular Research and Sport Medicine, German Sport University Cologne, 50933 Cologne, Germany
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Fočak M, Mitrašinović-Brulić M, Suljević D. Aronia melanocarpa (Michx.) Elliott 1821 Extract Has Moderate Ameliorative Influence on Biochemical and Hematological Parameters in Gentamicin-Induced Nephropathy in Wistar Rats. Appl Biochem Biotechnol 2024; 196:896-908. [PMID: 37256488 DOI: 10.1007/s12010-023-04573-z] [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] [Accepted: 05/24/2023] [Indexed: 06/01/2023]
Abstract
Gentamicin (GM) is an aminoglycoside antibiotic used to treat bacterial infections. Nephrotoxicity refers to the impairments of the kidneys caused by the use of GM and can result in decreased kidney function and in severe cases, kidney failure. Aronia melanocarpa extract (AME), also known as the black chokeberry, has been used for its protective effects on the kidneys. AME concentration of 3.38 mg/kg (max antioxidant activity in vitro) was used to determine its effectiveness against induced nephropathy during 30 days. GM treatment caused significant hypoalbuminemia and high values of globulins, creatinine, and urea compared to the control group. GM application lead to hemolysis occurrence, echinocytosis, and platelets aggregation. Significantly high values of segmented neutrophils and low values of non-segmented neutrophils were recorded in the blood of rats treated with chokeberry extract (AME). In the pre-treatment (AME + GM), severe hypochromic anemia and a significant improvement in hematological parameters, as well as a reduction of anemia in the post-treatment (GM + AME), were noted. Post-treatment AME also significantly regulates urea and creatinine values. Statistically significantly low hemoglobin values were found in all groups treated with AME. Current study suggests that compounds in the AME have a moderate beneficial effect against renal injury and anti-inflammatory properties that may help protect the kidneys from injury caused by GM.
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Affiliation(s)
- Muhamed Fočak
- Department of Biology, Faculty of Science, University of Sarajevo, Zmaja Od Bosne 33-35, 71 000, Sarajevo, Bosnia and Herzegovina.
| | - Maja Mitrašinović-Brulić
- Department of Biology, Faculty of Science, University of Sarajevo, Zmaja Od Bosne 33-35, 71 000, Sarajevo, Bosnia and Herzegovina
| | - Damir Suljević
- Department of Biology, Faculty of Science, University of Sarajevo, Zmaja Od Bosne 33-35, 71 000, Sarajevo, Bosnia and Herzegovina
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Guo TT, Zhang ML, Sun ZC, Zhang LM, Xu XD, Hu BH. Three new triterpenoid glycosides from Aronia melanocarpa (Michx.) Elliott. Nat Prod Res 2023; 37:3572-3579. [PMID: 35762388 DOI: 10.1080/14786419.2022.2092863] [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: 11/30/2021] [Revised: 06/09/2022] [Accepted: 06/13/2022] [Indexed: 10/17/2022]
Abstract
Three new triterpenoid glycosides, 2α,3α,23,24-tetrahydroxyurs-12,19- dien-oic acid 28-O-β- D -glucopyranoside (1), 2α,3β,23,24-tetrahydroxyurs-12, 19(29) -dien-28-oic acid 28-O-β- D -glucopyranoside (2), and 2α,3β,23,24-tetrahydroxyurs-12, 18-dien-28-oic acid 28-O-β- D -glucopyranoside (3) were isolated from Aronia melanocarpa (Michx.) Elliott. Their structures were elucidated by extensive spectroscopic methods. All the isolated compounds displayed moderate inhibitory activity against nitric oxide production in macrophages.
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Affiliation(s)
- Ting-Ting Guo
- Guozhen Health Technology (Beijing) Co., Ltd, Beijing, P. R. China
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Man-Li Zhang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Zhao-Cui Sun
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Li-Mei Zhang
- Guozhen Health Technology (Beijing) Co., Ltd, Beijing, P. R. China
| | - Xu-Dong Xu
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Bi-Huang Hu
- School of Life and Pharmaceutical Sciences, Hainan University, Haikou, Hainan Province, China
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Hayashi N, Nagastuka H, Sato M, Goto K. Effect of long-term carnosine/anserine supplementation on iron regulation after a prolonged running session. Phys Act Nutr 2023; 27:70-77. [PMID: 37583074 PMCID: PMC10440176 DOI: 10.20463/pan.2023.0020] [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: 04/24/2023] [Revised: 06/08/2023] [Accepted: 06/26/2023] [Indexed: 08/17/2023] Open
Abstract
PURPOSE Exercise-induced hemolysis, which is caused by metabolic and/or mechanical stress during exercise, is considered a potential factor for upregulating hepcidin. Intramuscular carnosine has multiple effects including antioxidant activity. Therefore, this study aimed to determine whether long-term carnosine/anserine supplementation modulates exercise-induced hemolysis and subsequent hepcidin elevation. METHODS Seventeen healthy male participants were allocated to two different groups: participants consuming 1,500 mg/day of carnosine/anserine supplements (n = 9, C+A group) and participants consuming placebo powder supplements (n = 8, PLA group). The participants consumed carnosine/anserine or placebo supplements daily for 30.7 ± 0.4 days. They performed an 80-running session at 70% VO2peak pre-and post-supplementation. Iron regulation and inflammation in response to exercise were evaluated. RESULTS Serum iron concentrations significantly increased after exercise (p < 0.01) and serum haptoglobin concentrations decreased after exercise in both groups (p < 0.01). No significant differences in these variables were observed between pre-and post-supplementation. Serum hepcidin concentration significantly increased 180 min after exercise in both groups (p < 0.01). The integrated area under the curve of hepcidin significantly decreased after supplementation (p = 0.011) but did not vary between the C+A and PLA groups. CONCLUSION Long-term carnosine/anserine supplementation does not affect iron metabolism after a single endurance exercise session.
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Affiliation(s)
- Nanako Hayashi
- Research Organization of Science and Technology, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Haruna Nagastuka
- Faculty of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Mikako Sato
- NH Foods Ltd. R&D Center, Midorigahara, Tsukuba, Ibaraki, Japan
| | - Kazushige Goto
- Faculty of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
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Sangild J, Faldborg A, Schousboe C, Fedder MDK, Christensen LP, Lausdahl AK, Arnspang EC, Gregersen S, Jakobsen HB, Knudsen UB, Fedder J. Effects of Chokeberries ( Aronia spp.) on Cytoprotective and Cardiometabolic Markers and Semen Quality in 109 Mildly Hypercholesterolemic Danish Men: A Prospective, Double-Blinded, Randomized, Crossover Trial. J Clin Med 2023; 12:jcm12010373. [PMID: 36615174 PMCID: PMC9821700 DOI: 10.3390/jcm12010373] [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: 11/20/2022] [Revised: 12/21/2022] [Accepted: 12/28/2022] [Indexed: 01/05/2023] Open
Abstract
Background: Chokeberries (Aronia spp.) are known to exhibit both direct and indirect antioxidant properties and have been associated with beneficial effects on human health, including cardiovascular risk factors (inflammation, serum lipids, sugars, blood pressure), oxidative stress, and semen quality. This prospective, double-blinded, randomized, crossover clinical trial was conducted to elucidate the effects of Aronia supplementation on these health targets in mildly hypercholesterolemic men. Methods: The standardized Aronia supplementation comprised three wild Aronia spp. (A. arbutifolia, A prunifolia and A. melanocarpa) and the Aronia hybrid × Sorbaronia mitschurinii (standardized to 150 mg anthocyanins daily). Participants (n = 109) were healthy men with respect to all outcome targets except for the total cholesterol level (5.0−7.0 mM). Participants were randomized to supplementation with either Aronia or placebo for 90 days, followed by a wash-out period and lastly the complementary supplementation. Effects on the health parameters were compared among both the whole group of men and in subgroups according to age, body mass index (BMI), lifestyle, dietary habits, and serum glutathione levels at baseline. The study is registered in ClinicalTrials.gov.: NCT03405753. Results: Glutathione levels were significantly improved after 90 days intake of Aronia supplementation compared to placebo in the subgroup of men with a low level of glutathione at baseline (p = 0.038) and a high coffee intake (p = 0.045). A significant decrease in levels of sperm DNA fragmentation and an increase in the percentage of motile sperm were observed in men aged >40 and in men with BMI > 25. Further, these parameters were significantly improved in the dietary subgroup defined by a high level of coffee intake. Total cholesterol and low-density lipoprotein-cholesterol levels decreased significantly in men <40 years after Aronia supplementation. No statistically significant effects were observed regarding blood pressure, markers of blood sugar regulation, hemoglobin A1c, superoxide dismutase, catalase, isoprostane levels, high sensitivity C reactive protein, or other semen parameters. Conclusions: This study demonstrated a significant increase in glutathione levels and improvement of cytoprotective targets following Aronia supplementation in specific subgroups of men >40 years of age and BMI > 25 but did not demonstrate a significant effect in the overall analysis. The observed concurrent increase in glutathione levels and improvement of cytoprotective targets following Aronia supplementation in subgroups of men, suggests that the endogenous phase II antioxidant glutathione is involved in the modulation of the observed cytoprotective effects. This study is a good foundation for further investigation of these cytoprotective effects in groups with oxidative stress in a dose−response study.
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Affiliation(s)
- Julie Sangild
- Department of Clinical Medicine, Aarhus University, DK-8200 Aarhus, Denmark
| | - Anne Faldborg
- Department of Clinical Medicine, Aarhus University, DK-8200 Aarhus, Denmark
| | - Cecilie Schousboe
- Department of Clinical Medicine, Aarhus University, DK-8200 Aarhus, Denmark
| | | | - Lars Porskjær Christensen
- Department of Physics, Chemistry and Pharmacy, Faculty of Science, University of Southern Denmark, DK-5230 Odense, Denmark
| | - Astrid Komal Lausdahl
- Department of Green Technology, Faculty of Engineering, University of Southern Denmark, DK-5230 Odense, Denmark
| | - Eva Christensen Arnspang
- Department of Green Technology, Faculty of Engineering, University of Southern Denmark, DK-5230 Odense, Denmark
| | - Søren Gregersen
- Department of Clinical Medicine, Aarhus University, DK-8200 Aarhus, Denmark
- Steno Diabetes Center Aarhus, DK-8200 Aarhus, Denmark
| | | | - Ulla Breth Knudsen
- Department of Clinical Medicine, Aarhus University, DK-8200 Aarhus, Denmark
- Department of Obstetrics and Gynecology, Fertility Clinic, Horsens Regional Hospital, DK-8700 Horsens, Denmark
| | - Jens Fedder
- Centre of Andrology, Fertility Clinic, Department D, Odense University Hospital, DK-5000 Odense, Denmark
- Department of Clinical Medicine, University of Southern Denmark, DK-5000 Odense, Denmark
- Correspondence:
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Kimble R, Jones K, Howatson G. The effect of dietary anthocyanins on biochemical, physiological, and subjective exercise recovery: a systematic review and meta-analysis. Crit Rev Food Sci Nutr 2023; 63:1262-1276. [PMID: 34402657 DOI: 10.1080/10408398.2021.1963208] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Anthocyanins (ACN), the sub-class of (poly)phenols responsible for the red-blue-purple pigmentation of fruit and vegetables, have gained considerable interest in sport and exercise research due to their potential to facilitate exercise recovery. A systematic literature search was performed using PubMed, The Cochrane Library, MEDLINE, SPORTDiscus and CINAHL. Thirty nine studies were included and the standardized mean difference (Hedges g) for creatine kinase (CK), anti-oxidative and inflammatory markers, strength, power and delayed onset muscle soreness (DOMS) indices were pooled in separate meta-analyses; meta-regression was also performed on reported ACN dose. Immediately post-exercise there was an increase in antioxidant capacity (g: 0.56) and reduced C reactive protein (g: -0.24) and tumor necrosis factor α (g: -40); p ≤ 0.02. Strength was improved with ACN at all time points (g: 0.45-0.67). DOMS (g: -0.23) was lower 24 hours post-exercise and power was improved 24 hours (g: 0.62) and 48 hours (g: 0.57) post exercise. The CK was lower 48 hours post-exercise (g: -0.31) and there was a trend for a positive association with ACN dose (p = 0.057). This systematic review provides new data showing ACN-rich foods promote functional and subjective recovery likely due to the antioxidant and anti-inflammatory properties of ACN.
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Affiliation(s)
- Rachel Kimble
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle upon Tyne, UK
- Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | | | - Glyn Howatson
- Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle upon Tyne, UK
- Water Research Group, North West University, Potchefstroom, South Africa
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Papadopoulou SK, Mantzorou M, Kondyli-Sarika F, Alexandropoulou I, Papathanasiou J, Voulgaridou G, Nikolaidis PT. The Key Role of Nutritional Elements on Sport Rehabilitation and the Effects of Nutrients Intake. Sports (Basel) 2022; 10:sports10060084. [PMID: 35736824 PMCID: PMC9227980 DOI: 10.3390/sports10060084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/06/2022] [Accepted: 05/23/2022] [Indexed: 01/25/2023] Open
Abstract
Adequate nutrition is of utmost importance for athletes, especially during rehabilitation after injury in order to achieve fast healing and return to sports. The aim of this narrative review is to define the proper nutritional elements for athletes to meet their needs and facilitate their fast return to sports after surgery or injury, as well as determine the effects of specific nutrients intake. Studies on antioxidants, which are substances that protect against free radicals, for the injured athlete are few and unclear, yet poly-phenols and especially flavonoids might improve healing and inflammation following an injury. Benefits of vitamin C or E on muscle damage are disputable in relevant studies, while optimal levels of vitamin D and calcium contribute to bone healing. Minerals are also essential for athletes. Other supplements suggested for muscle damage treatment and protein synthesis include leucine, creatine, and hydroxymethylbutyrate. Diets that include high-quality products, rich in micronutrients (like vitamins, minerals, etc.) bio-active compounds and other nutritional elements (like creatine) are suggested, while an individualized nutrition program prescribed by a trained dietitian is important. Further studies are needed to clarify the underlying mechanisms of these nutritional elements, especially regarding injury treatment.
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Affiliation(s)
- Sousana K. Papadopoulou
- Department Nutritional Sciences and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece; (S.K.P.); (F.K.-S.); (I.A.); (G.V.)
| | - Maria Mantzorou
- Department of Food Science and Nutrition, University of the Aegean, 81400 Lemnos, Greece;
| | - Foivi Kondyli-Sarika
- Department Nutritional Sciences and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece; (S.K.P.); (F.K.-S.); (I.A.); (G.V.)
| | - Ioanna Alexandropoulou
- Department Nutritional Sciences and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece; (S.K.P.); (F.K.-S.); (I.A.); (G.V.)
| | - Jannis Papathanasiou
- Department of Medical Imaging, Allergology& Physiotherapy, Faculty of Dental Medicine, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria;
- Department of Kinesitherapy, Faculty of Public Health, Medical University of Sofia, 1431 Sofia, Bulgaria
| | - Gavriela Voulgaridou
- Department Nutritional Sciences and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece; (S.K.P.); (F.K.-S.); (I.A.); (G.V.)
| | - Pantelis T. Nikolaidis
- School of Health and Caring Sciences, University of West Attica, 12243 Athens, Greece
- Correspondence:
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Xu T, Zhang X, Liu Y, Wang H, Luo J, Luo Y, An P. Effects of dietary polyphenol supplementation on iron status and erythropoiesis: a systematic review and meta-analysis of randomized controlled trials. Am J Clin Nutr 2021; 114:780-793. [PMID: 33871598 DOI: 10.1093/ajcn/nqab068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 02/23/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND The iron-chelating activities of polyphenols raise concern whether there is a risk of iron deficiency or anemia induced by polyphenol supplementation. Results from clinical trials regarding the effects of polyphenol supplementation on iron status and erythropoiesis are inconclusive. OBJECTIVE We performed a systematic review and meta-analysis of randomized controlled trials to determine the effects of polyphenol supplementation on iron status and erythropoiesis. METHODS Published articles were searched between May 1988 and 7 December, 2020. Finally, we identified 34 randomized controlled trials. Random-effects meta-analyses were performed to obtain the weighted mean difference of serum iron (SI), transferrin saturation (TS), ferritin, and hemoglobin concentration. Funnel plots and Egger's test were used to determine the risk of bias. The robustness of the effect sizes was examined by sensitivity analysis. RESULTS Polyphenol supplementation had an inhibitory effect on the SI concentration (-13.72 μg/dL; 95% CI: -20.74, -6.71) and TS (-3.10%; 95% CI: -4.93, -1.27), with no effect on ferritin (-9.34 ng/mL; 95% CI: -28.55, 9.87). Polyphenols increased the hemoglobin concentration (8.53 g/L; 95% CI: 3.33, 13.73). In healthy participants, polyphenol reduced the TS (-3.83%; 95% CI: -7.47, -0.19) and increased the hemoglobin concentration (12.87 g/L; 95% CI: 1.61, 24.14). Similarly, polyphenol reduced the SI concentration (-8.60 μg/dL; 95% CI: -16.10, -1.10) and increased the hemoglobin concentration (8.50 g/L; 95% CI: 0.86, 16.15) in patients with metabolic diseases. In patients with β-thalassemia, polyphenol decreased the SI concentration (-23.19 μg/dL; 95% CI: -35.84, -10.55), TS (-3.23%; 95% CI: -5.54, -0.91), and ferritin concentration (-223.62 ng/mL; 95% CI: -359.32, -87.91), but had no effect on the hemoglobin concentration. CONCLUSION Healthy individuals and patients with metabolic diseases may benefit from the positive impact of polyphenols on erythropoiesis. Patients with β-thalassemia may benefit from the effect of polyphenols on reducing SI. This trial was registered at PROSPERO (International prospective register of systematic reviews) as CRD42020161983.
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Affiliation(s)
- Teng Xu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China.,College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xu Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Yuning Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Hao Wang
- Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou, China
| | - Junjie Luo
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Yongting Luo
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China
| | - Peng An
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, China.,College of Science, China Agricultural University, Beijing, China
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Stankiewicz B, Cieślicka M, Kujawski S, Piskorska E, Kowalik T, Korycka J, Skarpańska-Stejnborn A. Effects of antioxidant supplementation on oxidative stress balance in young footballers- a randomized double-blind trial. J Int Soc Sports Nutr 2021; 18:44. [PMID: 34098993 PMCID: PMC8185910 DOI: 10.1186/s12970-021-00447-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 05/25/2021] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Intensive physical exercise that competitive sports athletes participate in can negatively affect their pro-oxidative-antioxidant balance. Compounds with high antioxidant potential, such as those present in chokeberry (Aronia melanocarpa), can prevent these adverse changes. We here investigated the effect of antioxidant supplementation on oxidative stress balance in young footballers. METHODS The study was designed as a double-blind randomized trial. Diet of a group of young football players (male; n = 20; mean age, 15.8 years-old) was supplemented with 200 ml of chokeberry juice per day, for 7 weeks. The players were randomly assigned to the experimental (supplemented, FP-S; n = 12) and control (placebo, FB-C; n = 8) groups. Before and after the supplementation period, the participants performed a beep test. Venous blood was sampled for serum analysis before, immediately after, 3 h, and 24 h after the beep test. Serum levels of thiobarbituric acid reactive products, 8-hydroxy-2'-deoxyguanosine, total antioxidant capacity, iron, hepcidin, ferritin, myoglobin, and albumin, and morphological blood parameters (red blood cells, (RBC), haemoglobin (HGB), haematocrit (HCT) mean corpuscular volume (MCV) mean corpuscular haemoglobin (MCH), mean corpuscular haemoglobin concentration (MCHC), and lactic acid) were determined. RESULTS Chokeberry juice supplementation did not significantly affect the outcome of the beep test. The supplementation did not significantly affect any of the morphological, biochemical, or performance parameters analysed. CONCLUSIONS Chokeberry juice supplementation did not affect the measured parameters in the studied population, which may indicate insufficient antioxidant capacity of the juice.
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Affiliation(s)
- Błażej Stankiewicz
- Institute of Physical Education, Kazimierz Wielki University in Bydgoszcz, 2 Sportowa Str., 85-091, Bydgoszcz, Poland
| | - Mirosława Cieślicka
- Department of Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 24 Karłowicza Str, 85-092, Bydgoszcz, Poland
| | - Sławomir Kujawski
- Department of Hygiene, Epidemiology, Ergonomy and Postgraduate Education, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 9 M. Curie Skłodowskiej Str., 85-094, Bydgoszcz, Poland
| | - Elżbieta Piskorska
- Department of Pathobiochemistry and Clinical Chemistry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 9 M. Curie Skłodowskiej Str., 85-094, Bydgoszcz, Poland
| | - Tomasz Kowalik
- Institute of Physical Education, Kazimierz Wielki University in Bydgoszcz, 2 Sportowa Str., 85-091, Bydgoszcz, Poland
| | - Justyna Korycka
- Institute of Food Sciences and Agrotechnics, University of Zielona Góra, Off-Campus Faculty in Sulechów, Pałac Kalsk - Kalsk 67, 66-100, Sulechów, Poland
| | - Anna Skarpańska-Stejnborn
- Department of Morphological and Health Sciences, Faculty of Physical Culture in Gorzów Wielkopolski, 13 Estkowskiego Str, 66-400, Gorzów Wielkopolski, Poland.
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11
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Tasic N, Jakovljevic VLJ, Mitrovic M, Djindjic B, Tasic D, Dragisic D, Citakovic Z, Kovacevic Z, Radoman K, Zivkovic V, Bolevich S, Turnic TN. Black chokeberry Aronia melanocarpa extract reduces blood pressure, glycemia and lipid profile in patients with metabolic syndrome: a prospective controlled trial. Mol Cell Biochem 2021; 476:2663-2673. [PMID: 33666827 DOI: 10.1007/s11010-021-04106-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 02/11/2021] [Indexed: 12/16/2022]
Abstract
The aim of the study was to examine the effect of 4-week supplementation of Alixir 400 PROTECT® (Standardized Aronia L. Melanocarpa Extract Extract-SAE) on clinical and biochemical parameters in patients with confirmed metabolic syndrome (MetS). This study was designed as a prospective open-label clinical case-series study with 28 days of follow-up with cases selected and followed during the period from February 1, 2018 to November 2019. The study included 143 male and female patients with MetS who were subjected to SAE. SAE supplementation significantly altered SP, BP as well as HR values. After 2 weeks, CHOL levels significantly decreased in the fMetS-DM group compared to the baseline values in this group, while the LDL levels significantly decreased in the fMetS group. Triglycerides significantly decreased only after 4 weeks of SAE treatment in diabetic groups of patients (fMetS-DM and mMetS-DM) compared to the baseline, while in non-diabetic groups this marker was not significantly altered. Increased polyphenols or SAE consumption is correlated with a positive effect on body weight, total cholesterol, low and high-density lipoproteins, blood pressure and glycemia. Increasing consumption of polyphenol-rich foods could be a promising strategy to reduce cardiovascular risk.
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Affiliation(s)
- Nebojsa Tasic
- Department of Internal Medicine, Faculty of Medicine, University of Belgrade, Dr Subotica 8, 11000, Belgrade, Serbia
- Department of Cardiology, Cardiovascular Institute "Dedinje", Heroja Milana Tepica 1, 11000, Belgrade, Serbia
| | - Vladimir L J Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000, Kragujevac, Serbia.
- Department of Human Pathology, 1st Moscow State Medical, University IM Sechenov, Trubetskaya Street 8, Moscow, 119991, Russia.
| | - Miroslav Mitrovic
- Pharmaceutical Company "Pharmanova", Generala Arnija 6, 11010, Belgrade, Serbia
| | - Boris Djindjic
- Department of Cardiology, Clinical Center Nis, Bulevar dr Zorana Djindjica 48, 18108, Nis, Serbia
| | - Danijela Tasic
- Department of Internal Medicine, Faculty of Medicine, University of Belgrade, Dr Subotica 8, 11000, Belgrade, Serbia
- Department of Cardiology, Cardiovascular Institute "Dedinje", Heroja Milana Tepica 1, 11000, Belgrade, Serbia
| | - Dalibor Dragisic
- Department of Cardiology, Clinical Center "Dr Dragisa Misovic", Heroja Milana Tepica 1, 11000, Belgrade, Serbia
| | - Zoran Citakovic
- Department of Cardiology, Health Center Uzice, Milosa Obrenovica 17, 31000, Uzice, Serbia
| | - Zorana Kovacevic
- Department of Cardiology, Cardiovascular Institute "Dedinje", Heroja Milana Tepica 1, 11000, Belgrade, Serbia
| | | | - Vladimir Zivkovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000, Kragujevac, Serbia
| | - Sergey Bolevich
- Department of Human Pathology, 1st Moscow State Medical, University IM Sechenov, Trubetskaya Street 8, Moscow, 119991, Russia
| | - Tamara Nikolic Turnic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000, Kragujevac, Serbia
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12
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Cikiriz N, Milosavljevic I, Jakovljevic B, Bolevich S, Jeremic J, Nikolic Turnic T, Mitrovic M, Srejovic I, Bolevich S, Jakovljevic V. The influences of chokeberry extract supplementation on redox status and body composition in handball players during competition phase. Can J Physiol Pharmacol 2020; 99:42-47. [PMID: 32640181 DOI: 10.1139/cjpp-2020-0095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The aim of our study was to investigate the influence of 12 weeks of consumption of chokeberry extract on redox status, body composition, lipid profile, and biochemical parameters in active handball players. The study included 16 handball players aged 16-24 years (20.26 ± 2.86 years). Every morning before training, players received 30 mL of liquid chokeberry extract for 12 weeks during the regular competition season. The research consisted of morphofunctional and biochemical testing, which was performed at three points (at the beginning of the study and at 6 and 12 weeks after extract consumption). After the chokeberry extract treatment, we observed significant changes in three main aspects. The 12 week supplementation with chokeberry extract decreased the levels of prooxidants (TBARS and nitrites) and increased catalase activity. Analyzing the dynamic of body composition showed a decrease in body fat (9.4 ± 0.5 vs. 7.3 ± 0.6 kg) as well as its percent in a body (11.4 ± 0.4% vs. 8.8 ± 0.4%). On the other hand, the analysis showed an increase of high-density lipoprotein (1.3 ± 0.3 vs. 1.6 ± 0.2 mmol/L) and hemoglobin (144.4 ± 11.7 vs. 151.7 ± 9.9 g/L) after 6 weeks of treatment. At the same time, a decrease in leukocytes (7.2 × 109 ± 2.8 vs. 6.5 ± 1.2 × 109/L) and an increase in red blood cells count (4.9 ± 0.4 × 109 vs. 5.5 ± 0.5 × 109/L) were observed. Overall, these results emphatically show that the use of chokeberry extract dietary supplement induced a wide range of beneficial effects in the examined group of athletes.
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Affiliation(s)
- Nikola Cikiriz
- Military Medical Academy, Department of Exercise Physiology, Institute of Hygiene, Crnotrnavska 17, 11000 Belgrade, Serbia
| | - Isidora Milosavljevic
- University of Kragujevac, Faculty of Medical Sciences, Department of Pharmacy, Svetozara Markovica 69, 34 000 Kragujevac, Serbia
| | - Biljana Jakovljevic
- Medical College of applied sciences in Zemun, University of Belgrade, Cara Dusana 254, 11080 Belgrade, Serbia
| | - Stefani Bolevich
- I.M. Sechenov First Moscow State Medical University, Department of Pathology, 8 Trubetskaya St., 119991 Moscow, Russia
| | - Jovana Jeremic
- University of Kragujevac, Faculty of Medical Sciences, Department of Pharmacy, Svetozara Markovica 69, 34 000 Kragujevac, Serbia
| | - Tamara Nikolic Turnic
- University of Kragujevac, Faculty of Medical Sciences, Department of Pharmacy, Svetozara Markovica 69, 34 000 Kragujevac, Serbia
| | | | - Ivan Srejovic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34 000 Kragujevac, Serbia
| | - Sergey Bolevich
- I.M. Sechenov First Moscow State Medical University, Department of Pathophysiology, 8 Trubetskaya St., 119991 Moscow, Russia
| | - Vladimir Jakovljevic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34 000 Kragujevac, Serbia.,I.M. Sechenov First Moscow State Medical University, Department of Human Pathology, 8 Trubetskaya St., 119991 Moscow, Russia
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13
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Black Chokeberry Aronia melanocarpa L .-A Qualitative Composition, Phenolic Profile and Antioxidant Potential. Molecules 2019; 24:molecules24203710. [PMID: 31619015 PMCID: PMC6832535 DOI: 10.3390/molecules24203710] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/02/2019] [Accepted: 10/09/2019] [Indexed: 11/18/2022] Open
Abstract
Black chokeberry (Aronia melnocarpa) is a source of many bioactive compounds with a wide spectrum of health-promoting properties. Fresh, unprocessed chokeberry fruits are rarely consumed due to their astringent taste, but they are used in the food industry for the production of juices, nectars, syrups, jams, preserves, wines, tinctures, fruit desserts, jellies, fruit teas and dietary supplements. Polyphenols are biofactors that determine the high bioactivity of chokeberries, some of the richest sources of polyphenols, which include anthocyanins, proanthocyanidins, flavonols, flavanols, proanthocyanidins, and phenolic acids. Chokeberry fruit and products have great antioxidant and health-promoting potential as they reduce the occurrence of free radicals. This publication reviewed the scientific research regarding the phenolic compounds and the antioxidant potential of chokeberry fruits, products and isolated compounds. These findings may be crucial in future research concerning chokeberry based functional food products. Chokeberry fruits can be considered as promising component of designed food with enhanced antioxidant potential. However, like other plants and medicinal products of natural origin, black chokeberry requires extensive studies to determine its antioxidant potential, safety and mechanisms of action.
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14
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Urbaniak A, Skarpańska-Stejnborn A. Effect of pomegranate fruit supplementation on performance and various markers in athletes and active subjects: A systematic review. INT J VITAM NUTR RES 2019; 91:547-561. [PMID: 31512981 DOI: 10.1024/0300-9831/a000601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The aim of the study was to review recent findings on the use of POM supplements in athletes of various disciplines and physically active participants. Eleven articles published between 2010 and 2018 were included, where the total number of investigated subjects was 176. Male participants constituted the majority of the group (n = 155), as compared to females (n = 21). 45% of research described was conducted on athletes, whereas the remaining studies were based on highly active participants. Randomised, crossover, double-blind study designs constituted the majority of the experimental designs used. POM supplementation varied in terms of form (pills/juice), dosage (50 ml-500 ml) and time of intervention (7 days-2 months) between studies. Among the reviewed articles, POM supplementation had an effect on the improvement of the following: whole body strength; feeling of vitality; acute and delayed muscle fatigue and soreness; increase in vessel diameter; blood flow and serum level of TAC; reduction in the rate of increase for HR, SBP, CK and LDH; support in the recovery of post-training CK, LDH, CRP and ASAT to their baseline levels; reduction of MMP2, MMP9, hsCRP and MDA; and increased activity of antioxidant enzymes (glutathione peroxidase and superoxide dismutase). In the majority of reviewed articles POM supplementation had a positive effect on a variety of parameters studied and the authors recommended it as a supplement for athletes and physically active bodies.
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Affiliation(s)
- Alicja Urbaniak
- Department of Morphological Sciences, Biology and Health Sciences, Faculty of Physical Culture in Gorzów Wlkp., University School of Physical Education in Poznań, Poland
| | - Anna Skarpańska-Stejnborn
- Department of Morphological Sciences, Biology and Health Sciences, Faculty of Physical Culture in Gorzów Wlkp., University School of Physical Education in Poznań, Poland
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15
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Nocella C, Cammisotto V, Pigozzi F, Borrione P, Fossati C, D'Amico A, Cangemi R, Peruzzi M, Gobbi G, Ettorre E, Frati G, Cavarretta E, Carnevale R. Impairment between Oxidant and Antioxidant Systems: Short- and Long-term Implications for Athletes' Health. Nutrients 2019; 11:E1353. [PMID: 31208096 PMCID: PMC6627820 DOI: 10.3390/nu11061353] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/06/2019] [Accepted: 06/11/2019] [Indexed: 02/07/2023] Open
Abstract
The role of oxidative stress, an imbalance between reactive oxygen species production (ROS) and antioxidants, has been described in several patho-physiological conditions, including cardiovascular, neurological diseases and cancer, thus impacting on individuals' lifelong health. Diet, environmental pollution, and physical activity can play a significant role in the oxidative balance of an organism. Even if physical training has proved to be able to counteract the negative effects caused by free radicals and to provide many health benefits, it is also known that intensive physical activity induces oxidative stress, inflammation, and free radical-mediated muscle damage. Indeed, variations in type, intensity, and duration of exercise training can activate different patterns of oxidant-antioxidant balance leading to different responses in terms of molecular and cellular damage. The aim of the present review is to discuss (1) the role of oxidative status in athletes in relation to exercise training practice, (2) the implications for muscle damage, (3) the long-term effect for neurodegenerative disease manifestations, (4) the role of antioxidant supplementations in preventing oxidative damages.
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Affiliation(s)
- Cristina Nocella
- Department of Internal Medicine and Medical Specialities, Sapienza University of Rome, 00161 Rome, Italy.
| | - Vittoria Cammisotto
- Department of General Surgery and Surgical Speciality Paride Stefanini, Sapienza University of Rome, 00161 Rome, Italy.
| | - Fabio Pigozzi
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.
| | - Paolo Borrione
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.
| | - Chiara Fossati
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.
| | - Alessandra D'Amico
- Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", 00135 Rome, Italy.
| | - Roberto Cangemi
- Department of Internal Medicine and Medical Specialities, Sapienza University of Rome, 00161 Rome, Italy.
| | - Mariangela Peruzzi
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy.
- Mediterranea Cardiocentro, 80122 Napoli, Italy.
| | - Giuliana Gobbi
- Department of Biomedical, Biotechnological and Translational Sciences (S.Bi.Bi.T.), Anatomy and Histology Unit, University of Parma, Ospedale Maggiore, 43126 Parma, Italy.
| | - Evaristo Ettorre
- Department of Internal Medicine and Medical Specialities, Sapienza University of Rome, 00161 Rome, Italy.
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy.
- IRCCS Neuromed, 86077 Pozzilli IS, Italy.
| | - Elena Cavarretta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy.
- Mediterranea Cardiocentro, 80122 Napoli, Italy.
| | - Roberto Carnevale
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, 04100 Latina, Italy.
- Mediterranea Cardiocentro, 80122 Napoli, Italy.
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16
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Koivisto AE, Olsen T, Paur I, Paulsen G, Bastani NE, Garthe I, Raastad T, Matthews J, Blomhoff R, Bøhn SK. Effects of antioxidant-rich foods on altitude-induced oxidative stress and inflammation in elite endurance athletes: A randomized controlled trial. PLoS One 2019; 14:e0217895. [PMID: 31194785 PMCID: PMC6563980 DOI: 10.1371/journal.pone.0217895] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 05/17/2019] [Indexed: 12/27/2022] Open
Abstract
Background Various altitude training regimes, systematically used to improve oxygen carrying capacity and sports performance, have been associated with increased oxidative stress and inflammation. We investigated whether increased intake of common antioxidant-rich foods attenuates these processes. Methods In a randomized controlled trial, 31 elite endurance athletes (23 ± 5 years), ingested antioxidant-rich foods (n = 16), (> doubling their usual intake), or eucaloric control foods (n = 15) during a 3-week altitude training camp (2320 m). Fasting blood and urine samples were collected 7 days pre-altitude, after 5 and 18 days at altitude, and 7 days post-altitude. Change over time was compared between the groups using mixed models for antioxidant capacity [uric acid-free (ferric reducing ability of plasma (FRAP)], oxidative stress (8-epi-PGF2α) and inflammatory biomarkers (IFNγ, IL1α, IL1RA, IL1β, IL2, IL5, IL6, IL7, IL10, IL12p70, IL13, IL17, TNFα, MCP-1 and micro-CRP). The cytokine response to a stress-test (VO2max ramp test or 100 m swimming) was assessed at pre- and post-altitude. Results FRAP increased more in the antioxidant compared to the control group (p = 0.034). IL13 decreased in the antioxidant group, while increasing in the controls (p = 0.006). A similar trend was seen for IL6 (p = 0.062). A larger decrease in micro-CRP was detected in the antioxidant group compared to controls (β: -0.62, p = 0.02). We found no group differences for the remaining cytokines. 8-epi-PGF2α increased significantly in the whole population (p = 0.033), regardless group allocation. The stress response was significantly larger post-altitude compared with pre-altitude for IL1β, IL6, IL7, IL13, IL12p70 and TNFα, but we found no group differences. Conclusions Increased intake of antioxidant-rich foods elevated the antioxidant capacity and attenuated some of the altitude-induced systemic inflammatory biomarkers in elite athletes. The antioxidant intervention had no impact on the altitude-induced oxidative stress or changes in acute cytokine responses to exercise stress-tests.
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Affiliation(s)
- Anu Elisa Koivisto
- Norwegian Olympic Sports Centre, Norwegian Olympic and Paralympic Committee and Confederation of Sports, Oslo, Norway
| | - Thomas Olsen
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Ingvild Paur
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- Division of Clinical Service, Division of Cancer Medicine, Oslo University Hospital, Oslo, Norway
| | - Gøran Paulsen
- Norwegian Olympic Sports Centre, Norwegian Olympic and Paralympic Committee and Confederation of Sports, Oslo, Norway
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | | | - Ina Garthe
- Norwegian Olympic Sports Centre, Norwegian Olympic and Paralympic Committee and Confederation of Sports, Oslo, Norway
| | - Truls Raastad
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Jason Matthews
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Rune Blomhoff
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- Division of Clinical Service, Division of Cancer Medicine, Oslo University Hospital, Oslo, Norway
| | - Siv Kjølsrud Bøhn
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- Department of Chemistry, Biotechnology and Food Sciences, Norwegian University of Life Sciences, Ås, Norway
- * E-mail:
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Jakovljevic V, Milic P, Bradic J, Jeremic J, Zivkovic V, Srejovic I, Nikolic Turnic T, Milosavljevic I, Jeremic N, Bolevich S, Labudovic Borovic M, Mitrovic M, Vucic V. Standardized Aronia melanocarpa Extract as Novel Supplement against Metabolic Syndrome: A Rat Model. Int J Mol Sci 2018; 20:E6. [PMID: 30577476 PMCID: PMC6337203 DOI: 10.3390/ijms20010006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/11/2018] [Accepted: 12/12/2018] [Indexed: 12/13/2022] Open
Abstract
The aim of our study was to examine the effects of different dietary strategies, high-fat (HFd) or standard diet (Sd) alone or in combination with standardized oral supplementation (0.45 mL/kg/day) of Aronia melanocarpa extract (SAE) in rats with metabolic syndrome (MetS). SAE is an official product of pharmaceutical company Pharmanova (Belgrade, Serbia); however, the procedure for extraction was done by EU-Chem company (Belgrade, Serbia). Rats were divided randomly into six groups: control with Sd, control with Sd and SAE, MetS with HFd, MetS with HFd and SAE, MetS with Sd and MetS with Sd and SAE during 4 weeks. At the end of the 4-week protocol, cardiac function and liver morphology were assessed, while in the blood samples glucose, insulin, iron levels and systemic redox state were determined. Our results demonstrated that SAE had the ability to lower blood pressure and exert benefits on in vivo and ex vivo heart function. Moreover, SAE improved glucose tolerance, attenuated pathological liver alterations and oxidative stress present in MetS. Obtained beneficial effects of SAE were more prominent in combination with changing dietary habits. Promising potential of SAE supplementation alone or in combination with different dietary protocols in triggering cardioprotection should be further examined in future.
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Affiliation(s)
- Vladimir Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
- Department of Human Pathology, 1st Moscow State Medical, University IM Sechenov, Trubetskaya street 8, Moscow 119991, Russia.
| | - Petar Milic
- Department of Pharmacy, High Medical School of Professional Studies in Cuprija, Lole Ribara 1/2, 35000 Cuprija, Serbia.
| | - Jovana Bradic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Jovana Jeremic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Vladimir Zivkovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Ivan Srejovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Tamara Nikolic Turnic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Isidora Milosavljevic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Nevena Jeremic
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia.
| | - Sergey Bolevich
- Department of Human Pathology, 1st Moscow State Medical, University IM Sechenov, Trubetskaya street 8, Moscow 119991, Russia.
| | - Milica Labudovic Borovic
- Institute of Histology and Embryology "Aleksandar Dj. Kostic", Faculty of Medicine, University of Belgrade, Dr Subotic 8, 11000 Belgrad, Serbia.
| | | | - Vesna Vucic
- Institute for Medical Research, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Tadeusa Koscuska 1, 11129 Belgrade, Serbia.
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18
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Goto K, Kasai N, Kojima C, Ishibashi A. Postexercise serum hepcidin response to repeated sprint exercise under normoxic and hypoxic conditions. Appl Physiol Nutr Metab 2017; 43:221-226. [PMID: 28961407 DOI: 10.1139/apnm-2017-0418] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We determined the effects of repeated sprint exercise under normoxic and hypoxic conditions on serum hepcidin levels. Ten male athletes (age: 20.9 ± 0.3 years; height: 175.7 ± 6.0 cm; weight: 67.3 ± 6.3 kg) performed 2 exercise trials under normoxic (NOR; fraction of inspiratory oxygen (FiO2): 20.9%) or hypoxic conditions (HYPO; FiO2: 14.5%). The exercise consisted of 3 sets of 5 × 6 s of maximal pedaling (30-s rest periods between sprints, 10-min rest periods between sets). Blood samples were collected before exercise, immediately after exercise, and 1 and 3 h after exercise. Serum hepcidin levels were significantly elevated after exercise in both trials (both P < 0.01), with no significant difference between the trials. The postexercise blood lactate levels were significantly higher in the HYPO than the NOR (P < 0.05). Both trials caused similar increases in plasma interleukin-6 and serum iron levels (P < 0.001), with no significant difference between the trials. A significant interaction (trial × time) was apparent in terms of serum erythropoietin (EPO) levels (P = 0.003). The EPO level was significantly higher in the HYPO than the NOR at 3 h after exercise (P < 0.05). In conclusion, repeated sprint exercise significantly increased serum hepcidin levels to similar extent in 2 trials, despite differences in the inspired oxygen concentrations during both the exercise and the 3-h postexercise period.
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Affiliation(s)
- Kazushige Goto
- a Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, 525-8577, Japan
| | - Nobukazu Kasai
- a Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, 525-8577, Japan
| | - Chihiro Kojima
- a Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, 525-8577, Japan
| | - Aya Ishibashi
- a Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, 525-8577, Japan.,b Department of Sports Science, Japan Institute of Sports Science, Kitaku, Tokyo, 525-8577, Japan
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19
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Goto K, Sumi D, Kojima C, Ishibashi A. Post-exercise serum hepcidin levels were unaffected by hypoxic exposure during prolonged exercise sessions. PLoS One 2017; 12:e0183629. [PMID: 28829838 PMCID: PMC5567555 DOI: 10.1371/journal.pone.0183629] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 07/30/2017] [Indexed: 12/21/2022] Open
Abstract
The purpose of the present study was to determine the influence of hypoxic exposure during prolonged endurance exercise sessions (79 min in total) on post-exercise hepcidin levels in trained male endurance athletes. Ten endurance athletes (mean ± standard deviation; height: 169.8 ± 7.1 cm, weight: 57.1 ± 5.0 kg) conducted two endurance exercise sessions under either a normobaric hypoxic condition [inspired O2 fraction (FiO2) = 14.5%] or a normoxic condition (FiO2 = 20.9%). Exercise consisted of 10 × 3 min running on a treadmill at 95% of maximal oxygen uptake ([Formula: see text]) with 60s of active rest at 60% of [Formula: see text]. After 10 min of rest, they subsequently performed 30 min of continuous running at 85% of [Formula: see text]. Running velocities were significantly lower in the HYPO than in the NOR (P < 0.0001). Exercise-induced blood lactate elevation was significantly greater in the HYPO (P < 0.01). There were significant increases in plasma interleukin-6, serum iron, and blood glucose levels after exercise, with no significant difference between the trials [interaction (trial × time) or main effect for trial, P > 0.05]. Serum hepcidin levels increased significantly 120 min after exercise (HYPO: from 10.7 ± 9.4 ng/mL to 15.8 ± 11.2 ng/mL; NOR: from 7.9 ± 4.7 ng/mL to 13.2 ± 7.9 ng/mL, P < 0.05), and no difference was observed between the trials. In conclusion, endurance exercise at lower running velocity in hypoxic conditions resulted in similar post-exercise hepcidin elevations as higher running velocity in normoxic conditions.
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Affiliation(s)
- Kazushige Goto
- Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
- Faculty of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
- * E-mail:
| | - Daichi Sumi
- Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Chihiro Kojima
- Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
| | - Aya Ishibashi
- Graduate School of Sports and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan
- Japan Institute of Sports Sciences, Kitaku, Tokyo, Japan
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20
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Imam MU, Zhang S, Ma J, Wang H, Wang F. Antioxidants Mediate Both Iron Homeostasis and Oxidative Stress. Nutrients 2017; 9:E671. [PMID: 28657578 PMCID: PMC5537786 DOI: 10.3390/nu9070671] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 06/20/2017] [Accepted: 06/22/2017] [Indexed: 12/18/2022] Open
Abstract
Oxidative stress is a common denominator in the pathogenesis of many chronic diseases. Therefore, antioxidants are often used to protect cells and tissues and reverse oxidative damage. It is well known that iron metabolism underlies the dynamic interplay between oxidative stress and antioxidants in many pathophysiological processes. Both iron deficiency and iron overload can affect redox state, and these conditions can be restored to physiological conditions using iron supplementation and iron chelation, respectively. Similarly, the addition of antioxidants to these treatment regimens has been suggested as a viable therapeutic approach for attenuating tissue damage induced by oxidative stress. Notably, many bioactive plant-derived compounds have been shown to regulate both iron metabolism and redox state, possibly through interactive mechanisms. This review summarizes our current understanding of these mechanisms and discusses compelling preclinical evidence that bioactive plant-derived compounds can be both safe and effective for managing both iron deficiency and iron overload conditions.
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Affiliation(s)
- Mustapha Umar Imam
- Department of Nutrition, Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
| | - Shenshen Zhang
- Department of Nutrition, Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
| | - Jifei Ma
- Department of Nutrition, Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
| | - Hao Wang
- Department of Nutrition, Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
- Department of Nutrition, Nutrition Discovery Innovation Center, School of Public Health, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, School of Medicine, Zhejiang University, Hangzhou 310058, China.
| | - Fudi Wang
- Department of Nutrition, Precision Nutrition Innovation Center, School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
- Department of Nutrition, Nutrition Discovery Innovation Center, School of Public Health, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, School of Medicine, Zhejiang University, Hangzhou 310058, China.
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21
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Park CH, Kim JH, Lee EB, Hur W, Kwon OJ, Park HJ, Yoon SK. Aronia melanocarpa Extract Ameliorates Hepatic Lipid Metabolism through PPARγ2 Downregulation. PLoS One 2017; 12:e0169685. [PMID: 28081181 PMCID: PMC5230775 DOI: 10.1371/journal.pone.0169685] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Accepted: 12/19/2016] [Indexed: 12/30/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome. Studies have demonstrated that anthocyanin-rich foods may improve hyperlipidemia and ameliorate hepatic steatosis. Here, effects of Aronia melanocarpa (AM), known to be rich of anthocyanins, on hepatic lipid metabolism and adipogenic genes were determined. AM was treated to C57BL/6N mice fed with high fat diet (HFD) or to FL83B cells treated with free fatty acid (FFA). Changes in levels of lipids, enzymes and hormones were observed, and expressions of adipogenic genes involved in hepatic lipid metabolism were detected by PCR, Western blotting and luciferase assay. In mice, AM significantly reduced the body and liver weight, lipid accumulation in the liver, and levels of biochemical markers such as fatty acid synthase, hepatic triglyceride and leptin. Serum transaminases, indicators for hepatocyte injury, were also suppressed, while superoxide dismutase activity and liver antioxidant capacity were significantly increased. In FL83B cells, AM significantly reduced FFA-induced lipid droplet accumulation. Protein synthesis of an adipogenic transcription factor, peroxisome proliferator-activated receptor γ2 (PPARγ2) was inhibited in vivo. Furthermore, transcriptional activity of PPARγ2 was down-regulated in vitro, and mRNA expression of PPARγ2 and its downstream target genes, adipocyte protein 2 and lipoprotein lipase were down-regulated by AM both in vitro and in vivo. These results show beneficial effects of AM against hepatic lipid accumulation through the inhibition of PPARγ2 expression along with improvements in body weight, liver functions, lipid profiles and antioxidant capacity suggesting the potential therapeutic efficacy of AM on NAFLD.
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Affiliation(s)
- Chung-Hwa Park
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
- The Catholic University Liver Research Center (CULRC), The Catholic University of Korea, Seoul, Korea
| | - Jung-Hee Kim
- The Catholic University Liver Research Center (CULRC), The Catholic University of Korea, Seoul, Korea
- WHO Collaborating Center of Viral Hepatitis, The Catholic University of Korea, Seoul, Korea
| | - Eun Byul Lee
- The Catholic University Liver Research Center (CULRC), The Catholic University of Korea, Seoul, Korea
- WHO Collaborating Center of Viral Hepatitis, The Catholic University of Korea, Seoul, Korea
| | - Wonhee Hur
- The Catholic University Liver Research Center (CULRC), The Catholic University of Korea, Seoul, Korea
- WHO Collaborating Center of Viral Hepatitis, The Catholic University of Korea, Seoul, Korea
| | - Oh-Joo Kwon
- Department of Medical Biochemistry, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | | | - Seung Kew Yoon
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
- The Catholic University Liver Research Center (CULRC), The Catholic University of Korea, Seoul, Korea
- WHO Collaborating Center of Viral Hepatitis, The Catholic University of Korea, Seoul, Korea
- * E-mail:
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22
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Relationship between the Ingestion of a Polyphenol-Rich Drink, Hepcidin Hormone, and Long-Term Training. Molecules 2016; 21:molecules21101333. [PMID: 27740603 PMCID: PMC6273972 DOI: 10.3390/molecules21101333] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 09/28/2016] [Accepted: 10/01/2016] [Indexed: 12/21/2022] Open
Abstract
The effects of polyphenol-rich foods on the iron status of athletes, as well as the effect of physical training on the hormone hepcidin, implicated in iron metabolism, are not clear. We investigated the influence on iron metabolism of a long-term training intervention of 120 days, measuring the hepcidin concentration in the plasma of 16 elite triathletes, and the effect of the ingestion of 200 mL of either aronia-citrus juice or a placebo drink for 45 days, in a crossover design. The highest plasma hepcidin concentrations were observed at the beginning of the study (116 ± 63 nM) and levels steadily decreased until the end of the intervention (final value 10 ± 7.5 nM). Long-term training might reduce inflammation and, hence, could be responsible for the decrease in hepcidin in triathletes. Polyphenols from aronia-citrus juice did not interfere in iron absorption, as we did not observe significant differences between the intake of the placebo drink or juice with regard to hepcidin levels. Further studies are required to ascertain the time and conditions necessary to restore hepcidin levels, which reflect the iron status of triathletes.
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23
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Borowska S, Brzóska MM. Chokeberries (Aronia melanocarpa
) and Their Products as a Possible Means for the Prevention and Treatment of Noncommunicable Diseases and Unfavorable Health Effects Due to Exposure to Xenobiotics. Compr Rev Food Sci Food Saf 2016; 15:982-1017. [DOI: 10.1111/1541-4337.12221] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 06/15/2016] [Accepted: 06/21/2016] [Indexed: 12/23/2022]
Affiliation(s)
- Sylwia Borowska
- Borowska and Brzóska are with Dept. of Toxicology; Medical Univ. of Bialystok; Bialystok Poland
| | - Malgorzata M. Brzóska
- Borowska and Brzóska are with Dept. of Toxicology; Medical Univ. of Bialystok; Bialystok Poland
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24
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Kloubec J, Harris C. WHOLE FOODS NUTRITION FOR ENHANCED INJURY PREVENTION AND HEALING. ACSM'S HEALTH & FITNESS JOURNAL 2016. [DOI: 10.1249/fit.0000000000000189] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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