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Lu TL, Zheng AC, Suzuki K, Lu CC, Wang CY, Fang SH. Supplementation of L-glutamine enhanced mucosal immunity and improved hormonal status of combat-sport athletes. J Int Soc Sports Nutr 2024; 21:2300259. [PMID: 38193521 PMCID: PMC10783826 DOI: 10.1080/15502783.2023.2300259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 12/21/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND Maintaining proper immune function and hormone status is important for athletes to avoid upper respiratory tract infection (URTI) and insufficient recovery, which is detrimental to sport performance and health. The aim of this study was to evaluate whether three-week supplementation of L-glutamine could benefit the mucosal immunity and hormonal status of combat-sport athletes as well as their rates of upper respiratory tract infection (URTI) and subjective feelings of well-being after intensive training. METHODS Twenty-one combat-sport athletes from the National Taiwan University of Sport were recruited in this study. After intensive training, two groups of the participants were asked to consume powder form of 0.3 g/kg body weight of L-glutamine (GLU group) or maltodextrin (PLA group) with drinking water in a randomized design at the same time every day during 3 weeks. Saliva samples were collected to measure immunoglobulin A (IgA), nitric oxide (NO), testosterone (T) and cortisol (C) before and after three-week supplementation; moreover, Hooper's index questionnaires were completed for wellness assessment. The incidence and duration of URTI were recorded by using a health checklist throughout the entire study period. RESULTS Supplementation of L-glutamine significantly enhanced the concentrations of IgA and NO in saliva; additionally, the incidence of URTI was significantly reduced. Regarding hormones, T concentration was significantly decreased in the PLA group, whereas C concentration was significantly increased, resulting in a significant decrease of T/C ratio. In contrast, the GLU group showed a significant increase of T/C ratio, while the mood scores of the Hooper's index questionnaire were higher in the PLA group. CONCLUSIONS Three-week supplementation of L-glutamine after intensive training enhanced the mucosal immunity, improved hormonal status and reduced the rate of URTI of combat-sport athletes while feelings of well-being were also enhanced. Therefore, L-glutamine would be beneficial for the sports performance and recovery of athletes.
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Affiliation(s)
- Tung-Lin Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | - Ai-Chi Zheng
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | | | - Chi-Cheng Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
| | - Chung-Yuan Wang
- Department of Combat Sports, National Taiwan University of Sport, Taichung, Taiwan
| | - Shih-Hua Fang
- Institute of Athletics, National Taiwan University of Sport, Taichung, Taiwan
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Fukami Y, Ariizumi R, Ijichi Y, Ohno T, Kashiwabara T, Shibuya T, Suzuki K, Hirata T. Variation in the relationship between odd isotopes of tin in mass-independent fractionation induced by the magnetic isotope effect. Proc Natl Acad Sci U S A 2024; 121:e2321616121. [PMID: 38635630 DOI: 10.1073/pnas.2321616121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 03/19/2024] [Indexed: 04/20/2024] Open
Abstract
Experimental results are presented showing the variation in the relationship between odd isotopes of tin (Sn) in mass-independent fractionation caused by the magnetic isotope effect (MIE), which has previously only been observed for mercury. These results are consistent with the trend predicted from the difference between the magnitudes of nuclear magnetic moments of odd isotopes with a nuclear spin. However, the correlation between odd isotopes in fractionation induced by the MIE for the reaction system used in this study (solvent extraction using a crown ether) was different from that reported for the photochemical reaction of methyltin. This difference between the two reaction systems is consistent with a theoretical prediction that the correlation between odd isotopes in fractionation induced by the MIE is controlled by the relationship between the spin conversion time and radical lifetime. The characteristic changes in the correlation between odd isotopes in fractionation induced by the MIE observed for Sn in this study provide a guideline for quantitatively determining fractionation patterns caused by the MIE for elements that have multiple isotopes with a nuclear spin. These results improve our understanding of the potential impact of the MIE on mass-independent fractionation observed in natural samples, such as meteorites, and analytical artifacts of high-precision isotope analysis for heavy elements.
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Affiliation(s)
- Yusuke Fukami
- Department of Chemistry, Faculty of Science, Gakushuin University, Tokyo 171-8588, Japan
| | - Ryoko Ariizumi
- Department of Chemistry, Faculty of Science, Gakushuin University, Tokyo 171-8588, Japan
| | - Yuta Ijichi
- Geochemical Research Center, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - Takeshi Ohno
- Department of Chemistry, Faculty of Science, Gakushuin University, Tokyo 171-8588, Japan
| | - Teruhiko Kashiwabara
- Submarine Resources Research Center (SRRC), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Japan
| | - Takazo Shibuya
- Super-cutting-edge Grand and Advanced Research (SUGAR) Program, Institute for Extra-cutting-edge Science and Technology Avant-garde Research (X-star), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Japan
| | - Katsuhiko Suzuki
- Submarine Resources Research Center (SRRC), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Japan
| | - Takafumi Hirata
- Geochemical Research Center, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan
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Ayano M, Tsubouchi K, Suzuki K, Kimoto Y, Arinobu Y, Akashi K, Horiuchi T, Okamoto I, Niiro H. Comparing the safety and efficacy of nintedanib starting dose in patients with connective tissue disease-associated interstitial lung diseases. Scand J Rheumatol 2024:1-8. [PMID: 38563202 DOI: 10.1080/03009742.2024.2327159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 03/04/2024] [Indexed: 04/04/2024]
Abstract
OBJECTIVE This study aimed to analyse whether initiating nintedanib treatment at a reduced dose could improve the treatment continuation rate while maintaining efficacy in patients with connective tissue disease (CTD)-associated interstitial lung disease. METHOD In total, 51 patients (age 61.6 ± 13.2 years; 38 women, 13 men) were retrospectively analysed. The primary endpoint was the cumulative discontinuation rate due to adverse events. Secondary endpoints included changes in drug dosage, efficacy evaluated based on annual changes in forced vital capacity (FVC), and safety assessed based on the frequency of adverse events. RESULTS Eighteen patients who started treatment at the standard dose of 300 mg (standard dosage group) were compared with 33 patients who started treatment at a reduced dose (reduced dosage group). Systemic sclerosis was the most common CTD (n = 32), followed by idiopathic inflammatory myopathies and, rarely, rheumatoid arthritis. Both groups exhibited comparable cumulative discontinuation rates due to adverse events and similar frequencies of adverse events. No significant differences were observed in maintenance doses between the two groups; however, patients in the reduced dosage group had a lower cumulative dose for up to 52 weeks than those in the standard dosage group. No significant differences were observed in changes in FVC between the two groups. CONCLUSION There was no evidence for a difference between the two groups in terms of discontinuation rates, efficacy, and safety. To provide further evidence, future studies using more precise dose-escalation protocols are warranted.
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Affiliation(s)
- M Ayano
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Tsubouchi
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Suzuki
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Y Kimoto
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Y Arinobu
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - K Akashi
- Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - T Horiuchi
- Department of Internal Medicine, Kyushu University Beppu Hospital, Beppu, Japan
| | - I Okamoto
- Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - H Niiro
- Department of Medical Education, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Mizokami T, Shimada M, Suzuki K. Neutrophil depletion attenuates acute renal injury after exhaustive exercise in mice. Exp Physiol 2024; 109:588-599. [PMID: 38241017 PMCID: PMC10988657 DOI: 10.1113/ep091362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/08/2024] [Indexed: 04/04/2024]
Abstract
Prolonged intense exercise induces acute renal injury; however, the precise mechanism remains unclear. We investigated the effects of neutrophil depletion in male C57BL/6J mice. Male C57BL/6J mice were divided into four groups: sedentary with control antibody; sedentary with antineutrophil antibody; exhaustive exercise with control antibody; and exhaustive exercise with antineutrophil antibody. Antineutrophil (1A8) or control antibody was administered i.p. to the mice before they ran on a treadmill. Plasma levels of creatinine and blood urea nitrogen (BUN) were measured. Renal histology was assessed 24 h after exhaustive exercise, and the concentration of kidney injury molecule (KIM)-1 was measured using an enzyme-linked immunosorbent assay. The expression levels of inflammatory cytokines were measured using qRT-PCR. Furthermore, NADPH oxidase activity and the hydrogen peroxide concentration in the kidney were measured. Immediately after exhaustive exercise, plasma BUN was significantly increased, but creatinine was not. The increase in BUN after exercise was suppressed by 1A8 treatment. The pathological changes manifested as congested and swollen glomeruli and nuclear infiltration after exhaustive exercise. These changes were suppressed by treatment with the 1A8 antibodies. The KIM-1 concentration increased after exhaustive exercise but was reduced by the 1A8 antibodies. Treatment with the 1A8 antibody also decreased exhaustive exercise-induced inflammation and reactive oxygen species levels in the kidney. These results suggest that neutrophils contribute to exercise-induced acute renal injury by regulating inflammation and oxidative stress.
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Affiliation(s)
- Tsubasa Mizokami
- Graduate School of Sport SciencesWaseda UniversityTokorozawaSaitamaJapan
| | - Michiko Shimada
- Community MedicineHirosaki University Graduate School of MedicineHirosakiJapan
| | - Katsuhiko Suzuki
- Faculty of Sport SciencesWaseda UniversityTokorozawaSaitamaJapan
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Kouzu K, Tsujimoto H, Ishinuki T, Shinji S, Shinkawa H, Tamura K, Uchino M, Ohge H, Shimizu J, Haji S, Mohri Y, Yamashita C, Kitagawa Y, Suzuki K, Kobayashi M, Kobayashi M, Hanai Y, Nobuhara H, Imaoka H, Yoshida M, Mizuguchi T, Mayumi T, Kitagawa Y. The effectiveness of fascial closure with antimicrobial-coated sutures in preventing incisional surgical site infections in gastrointestinal surgery: a systematic review and meta-analysis. J Hosp Infect 2024; 146:174-182. [PMID: 37734678 DOI: 10.1016/j.jhin.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/23/2023]
Abstract
The aim of this study was to conduct a systematic review and meta-analysis of the efficacy of fascial closure using antimicrobial-sutures specifically for the prevention of surgical site infections (SSIs) in gastrointestinal surgery, as part of the revision of the SSI prevention guidelines of the Japanese Society of Surgical Infectious Diseases (JSSI). We searched CENTRAL, PubMed and ICHUSHI-Web in May 2023, and included randomized controlled trials (RCTs) comparing antimicrobial-coated and non-coated sutures for fascial closure in gastrointestinal surgery (PROSPERO No. CRD42023430377). Three authors independently screened the RCTs. We assessed the risk of bias and the GRADE criteria for the extracted data. The primary outcome was incisional SSI and the secondary outcomes were abdominal wall dehiscence and the length of postoperative hospital stay. This study was supported partially by the JSSI. A total of 10 RCTs and 5396 patients were included. The use of antimicrobial-coated sutures significantly lowered the risk of incisional SSIs compared with non-coated suture (risk ratio: 0.79, 95% confidence intervals: 0.64-0.98). In subgroup analyses, antimicrobial-coated sutures reduced the risk of SSIs for open surgeries, and when monofilament sutures were used. Antimicrobial-coated sutures did not reduce the incidence of abdominal wall dehiscence and the length of hospital stay compared with non-coated sutures. The certainty of the evidence was rated as moderate according to the GRADE criteria, because of risk of bias. In conclusion, the use of antimicrobial-coated sutures for fascial closure in gastrointestinal surgery is associated with a significantly lower risk of SSI than non-coated sutures.
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Affiliation(s)
- K Kouzu
- Department of Surgery, National Defense Medical College, Japan
| | - H Tsujimoto
- Department of Surgery, National Defense Medical College, Japan.
| | - T Ishinuki
- Department of Nursing, Division of Surgical Science, Sapporo Medical University, Japan
| | - S Shinji
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Japan
| | - H Shinkawa
- Department of Hepatobiliary-Pancreatic Surgery, Osaka Metropolitan University Graduate School of Medicine, Japan
| | - K Tamura
- Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Japan
| | - M Uchino
- Department of Gastroenterological Surgery, Division of Inflammatory Bowel Disease, Hyogo Medical University, Japan
| | - H Ohge
- Department of Infectious Diseases, Hiroshima University Hospital, Japan
| | - J Shimizu
- Department of Surgery, Toyonaka Municipal Hospital, Japan
| | - S Haji
- Department of Surgery, Soseikai General Hospital, Japan
| | - Y Mohri
- Department of Surgery, Mie Prefectural General Medical Center, Japan
| | - C Yamashita
- Department of Anesthesiology and Critical Care Medicine, Fujita Health University School of Medicine, Japan
| | - Y Kitagawa
- Department of Infection Control, National Center for Geriatrics and Gerontology, Japan
| | - K Suzuki
- Department of Infectious Disease Medicine, School of Medicine, University of Occupational and Environmental Health, Japan
| | - M Kobayashi
- Department of Anesthesiology, Hokushinkai Megumino Hospital, Japan
| | - M Kobayashi
- Laboratory of Clinical Pharmacokinetics, School of Pharmacy, Kitasato University, Japan
| | - Y Hanai
- Department of Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Toho University, Japan
| | - H Nobuhara
- Department of Dentistry, Hiroshima Prefectural Hospital, Japan
| | - H Imaoka
- Department of Gastrointestinal and Pediatric Surgery, Mie University Graduate School of Medicine, Japan
| | - M Yoshida
- Department of Hepato-Biliary-Pancreatic and Gastrointestinal Surgery, International University of Health and Welfare, School of Medicine, Japan
| | - T Mizuguchi
- Department of Nursing, Division of Surgical Science, Sapporo Medical University, Japan
| | - T Mayumi
- Department of Intensive Care Unit, Japan Community Healthcare Organization Chukyo Hospital, Japan
| | - Y Kitagawa
- Keio University, School of Medicine, Japan
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Nakamura Y, Inaguma D, Imaizumi T, Kurasawa S, Hishida M, Okazaki M, Fujishima Y, Nishibori N, Suzuki K, Takeda Y, Maruyama S. Association between stopping renin-angiotensin system inhibitors immediately before hemodialysis initiation and subsequent cardiovascular events. Hypertens Res 2024:10.1038/s41440-024-01616-8. [PMID: 38438724 DOI: 10.1038/s41440-024-01616-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/09/2024] [Accepted: 01/27/2024] [Indexed: 03/06/2024]
Abstract
It is controversial whether renin-angiotensin system inhibitors (RASIs) should be stopped in patients with advanced chronic kidney disease (CKD). Recently, it was reported that stopping RASIs in advanced CKD was associated with increased mortality and cardiovascular (CV) events; however, it remains unclear whether stopping RASIs before dialysis initiation affects clinical outcomes after dialysis, which this study aimed to evaluate. In this multicenter prospective cohort study in Japan, we included 717 patients (mean age, 67 years; 68% male) who had a nephrology care duration ≥90 days, initiated hemodialysis, and used RASIs 3 months before hemodialysis initiation. The multivariable adjusted Cox models were used to compare mortality and CV event risk between 650 (91%) patients who continued RASIs until hemodialysis initiation and 67 (9.3%) patients who stopped RASIs. During a median follow-up period of 3.5 years, 170 (24%) patients died and 228 (32%) experienced CV events. Compared with continuing RASIs, stopping RASIs was unassociated with mortality (adjusted hazard ratio [aHR]: 0.82; 95% confidence interval [CI]: 0.50-1.34) but was associated with higher CV events (aHR: 1.59; 95% CI: 1.06-2.38). Subgroup analyses showed that the risk of stopping RASIs for CV events was particularly high in patients aged <75 years, with a significant interaction between stopping RASIs and age. This study revealed that patients who stopped RASIs immediately before dialysis initiation were associated with subsequent higher CV events. Active screening for CV disease may be especially beneficial for these patients.
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Affiliation(s)
- Yoshihiro Nakamura
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Daijo Inaguma
- Department of Internal Medicine, Fujita Health University Bantane Hospital, 3-6-10, Otobashi, Nakagawa-ku, Nagoya, Aichi, 454-8509, Japan
| | - Takahiro Imaizumi
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
- Department of Advanced Medicine, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Shimon Kurasawa
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Manabu Hishida
- Department of Nephrology, Kaikoukai Josai Hospital, Nagoya, Japan, 4-1, Kitahata-cho, Nakamura-ku, Nagoya, Aichi, 453-0815, Japan
| | - Masaki Okazaki
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
- Department of Clinical Research Education, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Yuki Fujishima
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Nobuhiro Nishibori
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Katsuhiko Suzuki
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Yuki Takeda
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Shoichi Maruyama
- Department of Nephrology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan.
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Saheli M, Moshrefi M, Baghalishahi M, Mohkami A, Firouzi Y, Suzuki K, Khoramipour K. Cognitive Fitness: Harnessing the Strength of Exerkines for Aging and Metabolic Challenges. Sports (Basel) 2024; 12:57. [PMID: 38393277 PMCID: PMC10891799 DOI: 10.3390/sports12020057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Addressing cognitive impairment (CI) represents a significant global challenge in health and social care. Evidence suggests that aging and metabolic disorders increase the risk of CI, yet promisingly, physical exercise has been identified as a potential ameliorative factor. Specifically, there is a growing understanding that exercise-induced cognitive improvement may be mediated by molecules known as exerkines. This review delves into the potential impact of aging and metabolic disorders on CI, elucidating the mechanisms through which various exerkines may bolster cognitive function in this context. Additionally, the discussion extends to the role of exerkines in facilitating stem cell mobilization, offering a potential avenue for improving cognitive impairment.
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Affiliation(s)
- Mona Saheli
- Department of Anatomical Sciences, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616913555, Iran; (M.S.); (M.B.)
| | - Mandana Moshrefi
- Department of Physiology and Pharmacology, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616913555, Iran;
| | - Masoumeh Baghalishahi
- Department of Anatomical Sciences, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616913555, Iran; (M.S.); (M.B.)
| | - Amirhossein Mohkami
- Department of Exercise Physiology, Faculty of Sport Sciences, Hakim Sabzevari University, Sabzevar 9617976487, Iran;
| | - Yaser Firouzi
- Department of Exercise Physiology, Faculty of Sport Sciences, Shahid Bahonar University, Kerman 7616913439, Iran;
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | - Kayvan Khoramipour
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman 7619813159, Iran
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Lu TL, He CS, Suzuki K, Lu CC, Wang CY, Fang SH. Concurrent Ingestion of Alkaline Water and L-Glutamine Enhanced Salivary α-Amylase Activity and Testosterone Concentration in Boxing Athletes. Nutrients 2024; 16:454. [PMID: 38337738 PMCID: PMC10857026 DOI: 10.3390/nu16030454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/23/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024] Open
Abstract
Athletes often take sport supplements to reduce fatigue and immune disturbances during or after training. This study evaluated the acute effects of concurrent ingestion of alkaline water and L-glutamine on the salivary immunity and hormone responses of boxers after training. Twelve male boxing athletes were recruited in this study. During regular training, the participants were randomly divided into three groups and asked to consume 400 mL of alkaline water (Group A), 0.15 g/kg body weight of L-glutamine with 400 mL of water (Group G), and 0.15 g/kg of L-glutamine with 400 mL of alkaline water (Group A+G) at the same time each day for three consecutive weeks. Before and immediately after the training, saliva, heart rates, and the rate of perceived exertion were investigated. The activity of α-amylase and concentrations of lactoferrin, immunoglobulin A (IgA), testosterone, and cortisol in saliva were measured. The results showed that the ratio of α-amylase activity/total protein (TP) significantly increased after training in Group A+G but not in Group A or G, whereas the ratios of lactoferrin/TP and IgA/TP were unaffected in all three groups. The concentrations of salivary testosterone after training increased significantly in Group A+G but not in Group A or G, whereas the salivary cortisol concentrations were unaltered in all groups. In conclusion, concurrent ingestion of 400 mL of alkaline water and 0.15 g/kg of L-glutamine before training enhanced the salivary α-amylase activity and testosterone concentration of boxers, which would be beneficial for post-exercise recovery.
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Affiliation(s)
- Tung-Lin Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
| | - Cheng-Shiun He
- Department of Athletic Sports, National Chung Cheng University, Minxiong 621301, Taiwan;
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan;
| | - Chi-Cheng Lu
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
| | - Chung-Yuan Wang
- Department of Combat Sports, National Taiwan University of Sport, Taichung 404401, Taiwan;
| | - Shih-Hua Fang
- Institute of Athletics, National Taiwan University of Sport, Taichung 404401, Taiwan; (T.-L.L.); (C.-C.L.)
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9
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Ruhee RT, Suzuki K. The Immunomodulatory Effects of Sulforaphane in Exercise-Induced Inflammation and Oxidative Stress: A Prospective Nutraceutical. Int J Mol Sci 2024; 25:1790. [PMID: 38339067 PMCID: PMC10855658 DOI: 10.3390/ijms25031790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/29/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
Sulforaphane (SFN) is a promising molecule for developing phytopharmaceuticals due to its potential antioxidative and anti-inflammatory effects. A plethora of research conducted in vivo and in vitro reported the beneficial effects of SFN intervention and the underlying cellular mechanisms. Since SFN is a newly identified nutraceutical in sports nutrition, only some human studies have been conducted to reflect the effects of SFN intervention in exercise-induced inflammation and oxidative stress. In this review, we briefly discussed the effects of SFN on exercise-induced inflammation and oxidative stress. We discussed human and animal studies that are related to exercise intervention and mentioned the underlying cellular signaling mechanisms. Since SFN could be used as a potential therapeutic agent, we mentioned briefly its synergistic attributes with other potential nutraceuticals that are associated with acute and chronic inflammatory conditions. Given its health-promoting effects, SFN could be a prospective nutraceutical at the forefront of sports nutrition.
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Affiliation(s)
- Ruheea Taskin Ruhee
- Research Fellow of Japan Society for the Promotion of Sciences, Tokyo 102-0083, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
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10
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Amiri Khosroshahi R, Mirzababaei A, Setayesh L, Bagheri R, Heidari Seyedmahalleh M, Wong A, Suzuki K, Mirzaei K. Dietary Insulin Index (DII) and Dietary Insulin load (DIL) and Caveolin gene variant interaction on cardiometabolic risk factors among overweight and obese women: a cross-sectional study. Eur J Med Res 2024; 29:74. [PMID: 38268038 PMCID: PMC10807169 DOI: 10.1186/s40001-024-01638-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND AND OBJECTIVE Studies have shown that Caveolin gene polymorphisms (CAV-1) are involved in chronic diseases, such as metabolic syndrome. Moreover, the dietary insulin index (DII) and dietary insulin load (DIL) have been shown to potentially elicit favorable effects on cardiovascular disease (CVD) risk. Therefore, this study sought to investigate the effect of DII DIL and CAV-1 interaction on CVD risk factors. METHODS This cross-sectional study consisted of 333 overweight and obese women aged 18-48 years. Dietary intakes, DII, and DIL were evaluated using the 147-item food frequency questionnaire (FFQ). Serum profiles were measured by standard protocols. The CAV-1 rs 3,807,992 and anthropometric data were measured by the PCR-RFLP method and bioelectrical impedance analysis (BIA), respectively. Participants were also divided into three groups based on DII, DIL score, and rs3807992 genotype. RESULTS This comparative cross-sectional study was conducted on 333 women classified as overweight or obese. Participants with A allele for the caveolin genotype and higher DII score showed significant interactions with high-density lipoprotein (HDL) (P for AA = 0.006 and P for AG = 0.019) and CRI-I (P for AA < 0.001 and P for AG = 0.024). In participants with AA genotype and greater DII score, interactions were observed in weight, systolic blood pressure (SBP), diastolic blood pressure (DBP), total cholesterol, CRI-II, fat-free mass (FFM), and skeletal muscle mass (SMM) (P < 0.079). Those with higher DIL scores and AA genotype had higher weight (P = 0.033), FFM (P = 0.022), and SMM (P = 0.024). In addition, DIL interactions for waist/hip ratio (WHR), waist circumference (WC), triglyceride (TG), CRI-I, and body fat mass (BFM) among individuals with AA genotype, while an HDL interaction was observed in individuals with AG and AA (P < 0.066). CONCLUSION The findings of the present study indicate that people who carry the caveolin rs3807992 (A) allele and have greater DII and DIL scores are at higher risk for several cardiovascular disease and metabolic syndrome biomarkers. These results highlight that diet, gene variants, and their interaction, should be considered in the risk evaluation of developing CVD.
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Affiliation(s)
- Reza Amiri Khosroshahi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Atieh Mirzababaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Leila Setayesh
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan, Iran
| | - Mohammad Heidari Seyedmahalleh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, USA
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, 359-1192, Japan.
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran.
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Shokri G, Mohammadian F, Noroozian M, Amani-Shalamzari S, Suzuki K. Effects of remote combine exercise-music training on physical and cognitive performance in patients with Alzheimer's disease: a randomized controlled trial. Front Aging Neurosci 2024; 15:1283927. [PMID: 38274987 PMCID: PMC10808523 DOI: 10.3389/fnagi.2023.1283927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 12/06/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction This study aimed to investigate the effects of combined remote music and exercise training on the cognitive, psychological, and physical function of patients with Alzheimer's disease (AD). Methods Forty-one AD patients were randomly allocated to three groups, including control (C), training (T), and training with music (TM) groups. Participants were evaluated by cognitive and performance test batteries before and after the interventions. Both experimental groups performed 36 remote workouts in 3 months online via WhatsApp video call individually with the trainer. Training included simple and varied movements of all physical indicators. The number of sets began with two sets and progressively increased to one set every month, 5-10 repetitions per set. The overload was applied by reducing the break between sets every week. The TM group performed the same exercises while listening to Mozart and traditional Iranian songs. Results We observed a significant main, group, time, and interaction effect on Romberg (ηp2:0.72), 30 s chair sit and stand (ηp2:0.75), and walking on steppe test (ηp2:0.63). Furthermore, there was a significant main time and interaction effect on push-ups (ηp2:0.43), sit and reach (ηp2:0.64), and MMSE (ηp2:0.76). In all variables, two experimental groups demonstrated substantial improvements than the C group (p < 0.01). In addition, the TM group (27.8%) showed a significant improvement compared to the C group (-6.4%) and the T group (12.2%) in MMSE. Conclusion Combined remote training with listening to music as adjuvant treatment is an appropriate item to improve the cognitive and physical performance of Alzheimer's patients, especially during the COVID-19 pandemic.
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Affiliation(s)
- Ghazaleh Shokri
- Department of Exercise Physiology, Faculty of Physical Education and Sports Science, Kharazmi University, Tehran, Iran
| | - Fatemeh Mohammadian
- Department of Neurology, Roozbeh Hospital, Tehran University of Medical Science, Tehran, Iran
| | - Maryam Noroozian
- Department of Neurology, Roozbeh Hospital, Tehran University of Medical Science, Tehran, Iran
| | - Sadegh Amani-Shalamzari
- Department of Exercise Physiology, Faculty of Physical Education and Sports Science, Kharazmi University, Tehran, Iran
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Kawamura T, Radak Z, Tabata H, Akiyama H, Nakamura N, Kawakami R, Ito T, Usui C, Jokai M, Torma F, Kim H, Miyachi M, Torii S, Suzuki K, Ishii K, Sakamoto S, Oka K, Higuchi M, Muraoka I, McGreevy KM, Horvath S, Tanisawa K. Associations between cardiorespiratory fitness and lifestyle-related factors with DNA methylation-based ageing clocks in older men: WASEDA'S Health Study. Aging Cell 2024; 23:e13960. [PMID: 37584423 PMCID: PMC10776125 DOI: 10.1111/acel.13960] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/17/2023] Open
Abstract
DNA methylation-based age estimators (DNAm ageing clocks) are currently one of the most promising biomarkers for predicting biological age. However, the relationships between cardiorespiratory fitness (CRF), measured directly by expiratory gas analysis, and DNAm ageing clocks are largely unknown. We investigated the relationships between CRF and the age-adjusted value from the residuals of the regression of DNAm ageing clock to chronological age (DNAmAgeAcceleration: DNAmAgeAccel) and attempted to determine the relative contribution of CRF to DNAmAgeAccel in the presence of other lifestyle factors. DNA samples from 144 Japanese men aged 65-72 years were used to appraise first- (i.e., DNAmHorvath and DNAmHannum) and second- (i.e., DNAmPhenoAge, DNAmGrimAge, and DNAmFitAge) generation DNAm ageing clocks. Various surveys and measurements were conducted, including physical fitness, body composition, blood biochemical parameters, nutrient intake, smoking, alcohol consumption, disease status, sleep status, and chronotype. Both oxygen uptake at ventilatory threshold (VO2 /kg at VT) and peak oxygen uptake (VO2 /kg at Peak) showed a significant negative correlation with GrimAgeAccel, even after adjustments for chronological age and smoking and drinking status. Notably, VO2 /kg at VT and VO2 /kg at Peak above the reference value were also associated with delayed GrimAgeAccel. Multiple regression analysis showed that calf circumference, serum triglyceride, carbohydrate intake, and smoking status, rather than CRF, contributed more to GrimAgeAccel and FitAgeAccel. In conclusion, although the contribution of CRF to GrimAgeAccel and FitAgeAccel is relatively low compared to lifestyle-related factors such as smoking, the results suggest that the maintenance of CRF is associated with delayed biological ageing in older men.
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Affiliation(s)
- Takuji Kawamura
- Waseda Institute for Sport Sciences, Waseda UniversitySaitamaJapan
- Research Centre for Molecular Exercise ScienceHungarian University of Sports ScienceBudapestHungary
| | - Zsolt Radak
- Research Centre for Molecular Exercise ScienceHungarian University of Sports ScienceBudapestHungary
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | - Hiroki Tabata
- Waseda Institute for Sport Sciences, Waseda UniversitySaitamaJapan
- Sportology CentreJuntendo University Graduate School of MedicineTokyoJapan
| | - Hiroshi Akiyama
- Graduate School of Sport SciencesWaseda UniversitySaitamaJapan
| | | | - Ryoko Kawakami
- Waseda Institute for Sport Sciences, Waseda UniversitySaitamaJapan
- Physical Fitness Research Institute, Meiji Yasuda Life Foundation of Health and WelfareTokyoJapan
| | - Tomoko Ito
- Waseda Institute for Sport Sciences, Waseda UniversitySaitamaJapan
- Department of Food and NutritionTokyo Kasei UniversityTokyoJapan
| | - Chiyoko Usui
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | - Matyas Jokai
- Research Centre for Molecular Exercise ScienceHungarian University of Sports ScienceBudapestHungary
| | - Ferenc Torma
- Faculty of Health and Sport SciencesUniversity of TsukubaIbarakiJapan
| | - Hyeon‐Ki Kim
- Research Centre for Molecular Exercise ScienceHungarian University of Sports ScienceBudapestHungary
| | | | - Suguru Torii
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | | | - Kaori Ishii
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | - Shizuo Sakamoto
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
- Faculty of Sport ScienceSurugadai UniversitySaitamaJapan
| | - Koichiro Oka
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | | | - Isao Muraoka
- Faculty of Sport SciencesWaseda UniversitySaitamaJapan
| | - Kristen M. McGreevy
- Department of Biostatistics, Fielding School of Public HealthUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Steve Horvath
- Department of Biostatistics, Fielding School of Public HealthUniversity of California Los AngelesLos AngelesCaliforniaUSA
- Department of Human Genetics, David Geffen School of MedicineUniversity of California Los AngelesLos AngelesCaliforniaUSA
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13
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Hirata K, Yamamoto Y, Hatanaka K, Kinoshita K, Abiko S, Suzuki K, Tanaka T, Ishibe E, Nakajima K, Naruse H, Umehara M, Tsuruga Y, Nakanishi K, Munakata S, Shimoyama N. Hepatobiliary and pancreatic: Tiny pigmented intra-hepatic ducts stones as the cause of jaundice and liver failure. J Gastroenterol Hepatol 2023; 38:2052. [PMID: 37680105 DOI: 10.1111/jgh.16350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/26/2023] [Accepted: 08/26/2023] [Indexed: 09/09/2023]
Affiliation(s)
- K Hirata
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - Y Yamamoto
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Hatanaka
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Kinoshita
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Abiko
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Suzuki
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - T Tanaka
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - E Ishibe
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Nakajima
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - H Naruse
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - M Umehara
- Department of Gastroenterological Surgery, Hakodate Municipal Hospital, Hakodate, Japan
| | - Y Tsuruga
- Department of Gastroenterological Surgery, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Nakanishi
- Department of Gastroenterological Surgery, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Munakata
- Department of Cancer Pathology, Hakodate Municipal Hospital, Hakodate, Japan
| | - N Shimoyama
- Department of Cancer Pathology, Hakodate Municipal Hospital, Hakodate, Japan
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14
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Nobari H, Cholewa JM, Suzuki K. Editorial: Sports immunometabolism, training load, and nutrition: effects on sports performance and psychological behavior of athletes. Front Psychol 2023; 14:1253502. [PMID: 37876837 PMCID: PMC10593466 DOI: 10.3389/fpsyg.2023.1253502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/25/2023] [Indexed: 10/26/2023] Open
Affiliation(s)
- Hadi Nobari
- Faculty of Sports Sciences, University of Extremadura, Cáceres, Spain
| | - Jason M. Cholewa
- Department of Exercise Physiology, College of Health Sciences, University of Lynchburg, Lynchburg, VA, United States
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15
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Higuchi M, Suzuki K, Kaminishi Y. Acute limb ischemia due to arterial dissection caused by mechanical compression of vascular tissue by the robotic arm during robot-assisted surgery: a case report. QJM 2023; 116:789-791. [PMID: 37225399 DOI: 10.1093/qjmed/hcad105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Indexed: 05/26/2023] Open
Affiliation(s)
- M Higuchi
- Department of Cardiology, Mito Saiseikai General Hospital, 3-3-10 Futabadai, Mito, Ibaraki Prefecture 311-4145, Japan
| | - K Suzuki
- Department of Cardiovascular Surgery, Mito Saiseikai General Hospital, 3-3-10 Futabadai, Mito Ibaraki Prefecture 311-4145, Japan
| | - Y Kaminishi
- Department of Cardiovascular Surgery, Mito Saiseikai General Hospital, 3-3-10 Futabadai, Mito Ibaraki Prefecture 311-4145, Japan
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16
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Jokai M, Torma F, McGreevy KM, Koltai E, Bori Z, Babszki G, Bakonyi P, Gombos Z, Gyorgy B, Aczel D, Toth L, Osvath P, Fridvalszky M, Teglas T, Posa A, Kujach S, Olek R, Kawamura T, Seki Y, Suzuki K, Tanisawa K, Goto S, Kerepesi C, Boldogh I, Ba X, Davies KJA, Horvath S, Radak Z. DNA methylation clock DNAmFitAge shows regular exercise is associated with slower aging and systemic adaptation. GeroScience 2023; 45:2805-2817. [PMID: 37209203 PMCID: PMC10643800 DOI: 10.1007/s11357-023-00826-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/10/2023] [Indexed: 05/22/2023] Open
Abstract
DNAmPhenoAge, DNAmGrimAge, and the newly developed DNAmFitAge are DNA methylation (DNAm)-based biomarkers that reflect the individual aging process. Here, we examine the relationship between physical fitness and DNAm-based biomarkers in adults aged 33-88 with a wide range of physical fitness (including athletes with long-term training history). Higher levels of VO2max (ρ = 0.2, p = 6.4E - 4, r = 0.19, p = 1.2E - 3), Jumpmax (p = 0.11, p = 5.5E - 2, r = 0.13, p = 2.8E - 2), Gripmax (ρ = 0.17, p = 3.5E - 3, r = 0.16, p = 5.6E - 3), and HDL levels (ρ = 0.18, p = 1.95E - 3, r = 0.19, p = 1.1E - 3) are associated with better verbal short-term memory. In addition, verbal short-term memory is associated with decelerated aging assessed with the new DNAm biomarker FitAgeAcceleration (ρ: - 0.18, p = 0.0017). DNAmFitAge can distinguish high-fitness individuals from low/medium-fitness individuals better than existing DNAm biomarkers and estimates a younger biological age in the high-fit males and females (1.5 and 2.0 years younger, respectively). Our research shows that regular physical exercise contributes to observable physiological and methylation differences which are beneficial to the aging process. DNAmFitAge has now emerged as a new biological marker of quality of life.
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Affiliation(s)
- Matyas Jokai
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Ferenc Torma
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
- Sports Neuroscience Division, Advanced Research Initiative for Human High Performance (ARIHHP), Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Tsukuba, 305-8574, Japan
- Laboratory of Exercise Biochemistry and Neuroendocrinology, Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Tsukuba, 305-8574, Japan
| | - Kristen M McGreevy
- Department of Biostatistics, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Erika Koltai
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Zoltan Bori
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Gergely Babszki
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Peter Bakonyi
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Zoltan Gombos
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Bernadett Gyorgy
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Dora Aczel
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Laszlo Toth
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Peter Osvath
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Marcell Fridvalszky
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Timea Teglas
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Aniko Posa
- Interdisciplinary Excellence Center, Department of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, 6700, Szeged, Hungary
| | - Sylwester Kujach
- Department of Physiology, Faculty of Physical Education, Gdansk University of Physical Education and Sport, Gdańsk, Poland
| | - Robert Olek
- Department of Athletics, Strength and Conditioning, Poznań University of Physical Education, Poznań, Poland
| | - Takuji Kawamura
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Yasuhiro Seki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Kumpei Tanisawa
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Sataro Goto
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Csaba Kerepesi
- Institute for Computer Science and Control (SZTAKI), Eötvös Loránd Research Network, Budapest, Hungary
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - Xueqing Ba
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, Jilin, China
| | - Kelvin J A Davies
- Ethel Percy Andrus Gerontology Centre of the Leonard Davis School of Gerontology; Division of Molecular & Computational Biology, Department of Biological Sciences, of the Dornsife College of Letters, Arts, and Sciences; and Department of Biochemistry & Molecular Medicine of the USC Keck School of Medicine, University of Southern California, Los Angeles, CA, 90089-0191, USA
| | - Steve Horvath
- Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, 90095, USA
- Altos Labs, Cambridge Institute of Science, Cambridge, UK
| | - Zsolt Radak
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary.
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan.
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Jafari Karegar S, Aryaeian N, Hajiluian G, Suzuki K, Shidfar F, Salehi M, Ashtiani BH, Farhangnia P, Delbandi AA. Ellagic acid effects on disease severity, levels of cytokines and T-bet, RORγt, and GATA3 genes expression in multiple sclerosis patients: a multicentral-triple blind randomized clinical trial. Front Nutr 2023; 10:1238846. [PMID: 37794975 PMCID: PMC10546207 DOI: 10.3389/fnut.2023.1238846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/28/2023] [Indexed: 10/06/2023] Open
Abstract
Background Multiple sclerosis (MS) is a chronic autoimmune disease. Ellagic acid is a natural polyphenol and affects the fate of neurons through its anti-inflammatory and antioxidant properties. The present study aimed to investigate ellagic acid effects on disease severity, the expression of involved genes in the pathogenesis of MS, and the levels of related cytokines. Methods The present study was a triple-blind clinical trial. Eligible patients were randomly assigned to two groups: Ellagic acid (25 subjects) for 12 weeks, receiving 180 mg of Ellagic acid (Axenic, Australia) and the control group (25 subjects) receiving a placebo, before the main meals. Before and after the study, the data including general information, foods intake, physical activity, anthropometric data, expanded disability status scale (EDSS), general health questionnaire (GHQ) and pain rating index (PRI), fatigue severity scale (FSS) were assessed, as well as serum levels of interferon-gamma (IFNγ), interleukin-17 (IL-17), interleukin-4 (IL-4) and transforming growth factor-beta (TGF-β), nitric-oxide (NO) using enzyme-linked immunoassay (ELISA) method and expression of T-box transcription factor (Tbet), GATA Binding Protein 3 (GATA3), retinoic acid-related orphan receptor-γt (RORγt) and Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) genes were determined using Real-Time Quantitative Reverse Transcription PCR (RT-qPCR) method. Findings Ellagic acid supplementation led to a reduction in IFNγ, IL-17, NO and increased IL-4 in the ellagic acid group, however in the placebo group no such changes were observed (-24.52 ± 3.79 vs. -0.05 ± 0.02, p < 0.01; -5.37 ± 0.92 vs. 2.03 ± 1.03, p < 0.01; -18.03 ± 1.02 vs. -0.06 ± 0.05, p < 0.01, 14.69 ± 0.47 vs. -0.09 ± 0.14, p < 0.01, respectively). Ellagic acid supplementation had no effect on TGF-β in any of the study groups (p > 0.05). Also, the Tbet and RORγt genes expression decreased, and the GATA3 gene expression in the group receiving ellagic acid compared to control group significantly increased (0.52 ± 0.29 vs. 1.51 ± 0.18, p < 0.01, 0.49 ± 0.18 vs. 1.38 ± 0.14, p < 0.01, 1.71 ± 0.39 vs. 0.27 ± 0.10, p < 0.01). Also, ellagic acid supplementation led to significant decrease in EDSS, FSS and GHQ scores (p < 0.05), and no significant changes observed in PRI score (p > 0.05). Conclusion Ellagic acid supplementation can improve the health status of MS patients by reduction of the inflammatory cytokines and Tbet and RORγt gene expression, and increment of anti-inflammatory cytokines and GATA3 gene expression.Clinical trial registration: (https://en.irct.ir/trial/53020), IRCT20120415009472N22.
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Affiliation(s)
- Sahar Jafari Karegar
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Naheed Aryaeian
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Ghazaleh Hajiluian
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Farzad Shidfar
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Salehi
- Department of Statistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Pooya Farhangnia
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali-Akbar Delbandi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
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Nemati J, Hemmatinafar M, Niknam A, Nikahd M, Zeighami N, Imanian B, Safari K, Jahaniboushehri N, Suzuki K. Effects of Different Doses of Caffeine Supplementation on Collegiate Male Volleyball Players' Specific Performance and Skills: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study. Nutrients 2023; 15:4049. [PMID: 37764832 PMCID: PMC10536286 DOI: 10.3390/nu15184049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/08/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND The improvement of performance and skill indices of volleyball players can affect their success rate. Therefore, the present study aimed to evaluate the effects of acute caffeine supplementation of varied doses on collegiate volleyball players' specific performance and skills. METHOD This research was a randomized, double-blind, crossover design study in which 15 male volleyball players aged 18 to 25 years participated voluntarily. Participants were randomly placed in three different conditions, including 3 mg of caffeine per kilogram of body weight (C3), 6 mg of caffeine per kilogram of body weight (C6), and a placebo (PLA) with a one-week wash-out period between exercise trials. The supplement was taken 60 min before each exercise session. Ball throwing, hand movement speed, agility, Sargent's jump and handgrip, and attacking and serving skill tests were measured and analyzed to check the performance and skill of the volleyball players. RESULTS This study showed a significant increase in agility test in C6 compared with the PLA condition (p = 0.02). Additionally, there was a significant improvement in Sargent's jump in C6 compared with PLA (p = 0.00) and C6 compared with the C3 condition (p = 0.00). Also, attacking skill significantly increased in C3 compared with PLA (p = 0.00) and C6 compared with the PLA condition (p = 0.00). In addition, there was a significant increase in serving skill for C6 compared with PLA (p = 0.00) and C3 (p = 0.00). However, there were no significant differences in hand movement speed (p = 0.06), left handgrip (p = 0.85), right handgrip (p = 0.47), or medicine ball throwing (p = 0.22) between the three conditions. CONCLUSIONS In conclusion, the findings of the current study suggested that a higher dose of caffeine compared with a lower dose may be more effective in movements requiring lower-body explosive power and the ability to change direction. Also, according to the findings, it seems that caffeine can lead to the improvement of complex skills, such as serving and attacking in volleyball.
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Affiliation(s)
- Javad Nemati
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Mohammad Hemmatinafar
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Alireza Niknam
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Mohammad Nikahd
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Narjes Zeighami
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Babak Imanian
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Kousar Safari
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Nima Jahaniboushehri
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71345, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
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19
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Sako H, Youssef M, Elisseeva O, Akimoto T, Suzuki K, Ushida T, Yamamoto T. microRNAs slow translating ribosomes to prevent protein misfolding in eukaryotes. EMBO J 2023; 42:e112469. [PMID: 37492926 PMCID: PMC10505912 DOI: 10.15252/embj.2022112469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 03/20/2023] [Accepted: 06/18/2023] [Indexed: 07/27/2023] Open
Abstract
Slower translation rates reduce protein misfolding. Such reductions in speed can be mediated by the presence of non-optimal codons, which allow time for proper folding to occur. Although this phenomenon is conserved from bacteria to humans, it is not known whether there are additional eukaryote-specific mechanisms which act in the same way. MicroRNAs (miRNAs), not present in prokaryotes, target both coding sequences (CDS) and 3' untranslated regions (UTR). Given their low suppressive efficiency, it has been unclear why miRNAs are equally likely to bind to a CDS. Here, we show that miRNAs transiently stall translating ribosomes, preventing protein misfolding with little negative effect on protein abundance. We first analyzed ribosome profiles and miRNA binding sites to examine whether miRNAs stall ribosomes. Furthermore, either global or specific miRNA deficiency accelerated ribosomes and induced aggregation of a misfolding-prone polypeptide reporter. These defects were rescued by slowing ribosomes using non-cleaving shRNAs as miRNA mimics. We finally show that proinsulin misfolding, associated with type II diabetes, was resolved by non-cleaving shRNAs. Our findings provide a eukaryote-specific mechanism of co-translational protein folding and a previously unknown mechanism of action to target protein misfolding diseases.
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Affiliation(s)
- Hiroaki Sako
- Cell Signal UnitOkinawa Institute of Science and Technology Graduate University (OIST)OkinawaJapan
| | - Mohieldin Youssef
- Cell Signal UnitOkinawa Institute of Science and Technology Graduate University (OIST)OkinawaJapan
| | - Olga Elisseeva
- Cell Signal UnitOkinawa Institute of Science and Technology Graduate University (OIST)OkinawaJapan
| | | | | | - Takashi Ushida
- Department of Mechanical EngineeringThe University of TokyoTokyoJapan
| | - Tadashi Yamamoto
- Cell Signal UnitOkinawa Institute of Science and Technology Graduate University (OIST)OkinawaJapan
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20
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Wu C, Suzuki K. The Effects of Flavonoids on Skeletal Muscle Mass, Muscle Function, and Physical Performance in Individuals with Sarcopenia: A Systematic Review of Randomized Controlled Trials. Nutrients 2023; 15:3897. [PMID: 37764681 PMCID: PMC10537400 DOI: 10.3390/nu15183897] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/03/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
Sarcopenia has become a significant obstacle to healthy aging in older adults. Flavonoids may contribute to treating sarcopenia, and attenuate the age-related loss of skeletal muscle mass, muscle strength, and physical function, however, their benefits in sarcopenic individuals remain unclear. This systematic review aimed to evaluate the effect of flavonoids on muscle mass, muscle strength, and physical performance in adults with sarcopenia based on randomized controlled trials (RCTs). This review was conducted in conformity with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and the risk of bias was assessed using the Cochrane risk of bias tool. The article search was conducted using PubMed, Scopus, Embase, Cochrane, Web of Science databases, and Google Scholar for the period until June 2023. RCTs that assessed the effects of flavonoids/flavonoids combined with other supplementation/flavonoid-rich supplementations on skeletal muscle mass, muscle strength, and physical performance in adults diagnosed with sarcopenia before intervention were included. From the 309 articles found, a total of 6 RCTs met the inclusion criteria. RCTs evaluated the main outcomes of tea catechins, epicatechin, and isoflavones intervention. Skeletal muscle mass significantly increased in three studies, muscle strength significantly elevated in two studies, and physical performance significantly improved in two studies. The majority of studies (five in six) found at least one of the main outcomes is elevated by flavonoids intervention. Flavonoids may have a great potential to treat sarcopenia.
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Affiliation(s)
- Cong Wu
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan;
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
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21
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Nakamura N, Akiyama H, Nishimura M, Zhu K, Suzuki K, Higuchi M, Tanisawa K. Acute social jetlag augments morning blood pressure surge: a randomized crossover trial. Hypertens Res 2023; 46:2179-2191. [PMID: 37452155 PMCID: PMC10477072 DOI: 10.1038/s41440-023-01360-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/18/2023]
Abstract
Although social jetlag (SJL) is generally considered a chronic condition, even acute SJL may have unfavorable effects on the cardiovascular system. We focused on the acute effects of SJL on morning blood pressure (BP) surge. This randomized crossover trial recruited 20 healthy men. In the SJL trial, participants delayed their bedtime by three hours on Friday and Saturday nights. Participants in the control (CON) trial implemented the same sleep-wake timing as on weekdays. Pre- and post-intervention measurements were performed to evaluate resting cardiovascular variables on Friday and Monday mornings, respectively. The ambulatory BP was automatically measured during the sleep and awake periods for 2 h after the participant woke up at night before pre- and post-intervention measurements. SJL (average mid-sleep time on weekends - average mid-sleep time on weekdays) occurred only in the SJL trial (SJL: 181 ± 24 min vs. CON: 8 ± 47 min). Carotid-femoral pulse wave velocity (cfPWV) and morning BP surge on Monday in the SJL trial were significantly higher than those on Friday in the SJL trial (cfPWV: P = 0.001, morning BP surge: P < 0.001), and those on Monday in the CON trial (cfPWV: P = 0.007; morning BP surge: P < 0.001). Furthermore, a significant positive correlation was found between ΔcfPWV and Δmorning BP surge (R = 0.587, P = 0.004). These results suggest that even acute SJL augments morning BP surge. This phenomenon may correspond to increased central arterial stiffness.State the details of Clinical Trials: Name: Effect of acute social jetlag on risk factors of lifestyle-related diseases. URL: https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000053204 . Unique identifier: UMIN000046639. Registration date: 17/01/2022.
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Affiliation(s)
- Nobuhiro Nakamura
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Hiroshi Akiyama
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Mei Nishimura
- School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Kejing Zhu
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Mitsuru Higuchi
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Kumpei Tanisawa
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan.
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22
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Tanaka H, Mizuma K, Nakamura Y, Hirata A, Miyazaki J, Suzuki K, Seta H, Watanabe H, Suzuki T, Watanabe R, Murayama N, Okamura T, Nakamura S. Predicting habitual water intake from lifestyle questions. Eur Rev Med Pharmacol Sci 2023; 27:8829-8841. [PMID: 37782192 DOI: 10.26355/eurrev_202309_33803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
OBJECTIVE Previous studies have used selective recall and descriptive dietary record methods, requiring considerable effort for assessing food and water intake. This study created a simplified lifestyle questionnaire to predict habitual water intake (SQW), accurately and quickly assessing the habitual water intake. We also evaluated the validity using descriptive dietary records as a cross-sectional study. SUBJECTS AND METHODS First, we used crowdsourcing and machine learning to collect data, predict water intake records, and create questionnaires. We collected 305 lifestyle-related questions as predictor variables and selective recall methods for assessing water intake as an outcome variable. Random forests were used for the machine learning models because of their interpretability and accurate estimation. Random forest and single regression correlation analysis were augmented by the synthetic minority oversampling that trained the model. We separated the data by sex and evaluated our model using unseen hold-out testing data, predicting the individual and overall habitual water intake from various sources, including non-alcoholic beverages, alcohol, and food. RESULTS We found a 0.60 Spearman's correlation coefficient for total water intake between the predicted and the selective recall method values, reflecting the target value to be achieved. This question set was then used for feasibility tests. The descriptive dietary record method helped to obtain a ground-truth value. We categorized the data by gender, season, and source: non-alcoholic beverages, alcohol, food, and total water intake, and the correlation was confirmed. Consequently, our results showed a Pearson's correlation coefficient of 0.50 for total water intake between the predicted and the selective recall method values. CONCLUSIONS We hypothesize that dissemination of SQW can lead to better health management by easily determining the habitual water intake.
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Affiliation(s)
- H Tanaka
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Nara, Japan.
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23
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Hemmatinafar M, Zaremoayedi L, Koushkie Jahromi M, Alvarez-Alvarado S, Wong A, Niknam A, Suzuki K, Imanian B, Bagheri R. Effect of Beetroot Juice Supplementation on Muscle Soreness and Performance Recovery after Exercise-Induced Muscle Damage in Female Volleyball Players. Nutrients 2023; 15:3763. [PMID: 37686795 PMCID: PMC10490293 DOI: 10.3390/nu15173763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/21/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
BACKGROUND Beetroot juice (BRJ) contains various bioactive compounds suggested to be effective in improving athlete recovery. However, the number of studies evaluating the effects of BRJ on recovery and muscle soreness (MS) indicators in female athletes is limited. Therefore, the present study aimed to determine the effects of BRJ consumption on the performance recovery indicators and MS after exercise-induced muscle damage (EIMD) in female volleyball players. METHODS Twelve young female volleyball players were evaluated in this study. We utilized a randomized, cross-over, and double-blind design during two phases with a 30-day interval (wash-out). During each phase, EIMD was performed first, followed by BRJ or placebo (PLA) supplementation for two days (eight servings of 50 mL). Recovery monitoring of performance indicators and MS was performed after EIMD. The results of wall-sit, V sit and reach (VSFT), vertical jump height (VJH), pressure pain threshold (PPT), and thigh swelling (Sw-T) tests were recorded 48 h after EIMD. Also, the Perceived Muscle Soreness was recorded using the visual analog scale (VAS) 12 (MS-12 h), 24 (MS-24 h), and 48 (MS-48 h) hours after EIMD. RESULTS The data were analyzed using two-way repeated measures of ANOVA at p < 0.05. Compared to PLA, BRJ supplementation improves wall-sit performance after EIMD (p < 0.05), while reducing Sw-T and perceived muscle soreness (p < 0.05). However, no significant difference was observed between PLA and BRJ in VJH and VSFT performance after EIMD (p > 0.05). CONCLUSIONS Our findings indicate that the consumption of BRJ in female volleyball players can be useful for improving some recovery indicators, such as muscle endurance, perceived muscle soreness, and tissue edema, after EIMD.
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Affiliation(s)
- Mohammad Hemmatinafar
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71946-84334, Iran
| | - Leila Zaremoayedi
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71946-84334, Iran
| | - Maryam Koushkie Jahromi
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71946-84334, Iran
| | - Stacey Alvarez-Alvarado
- Department of Neurology, College of Medicine—Jacksonville, University of Florida, Jacksonville, FL 32209, USA
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, TX 22207, USA
| | - Alireza Niknam
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71946-84334, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
| | - Babak Imanian
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz 71946-84334, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan 81746-73441, Iran
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24
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Amadutsumi T, Urashima Y, Urashima K, Suzuki K, Kurachi K, Nishihara M, Neo M, Myotoku M, Kobori T, Obata T. Semisolid Enteral Nutrients Alter the Pharmacokinetics of Orally Administered Levetiracetam in Rats. Pharmazie 2023; 78:117-121. [PMID: 37592422 DOI: 10.1691/ph.2023.3575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
Enteral nutrients (ENs) affect the plasma drug concentration of orally co-administered drugs, particularly those of antiepileptic drugs, such as phenytoin and carbamazepine. However, few studies have reported the interactions of levetiracetam (LEV), an upcoming antiepileptic drug, with ENs. In this study we aimed to investigate the pharmacokinetics of LEV in 55 rats after oral co-administration of LEV with liquid or semisolid ENs. Compared with the control group, co-administration with Terumeal ® Soft significantly decreased the plasma LEV concentration at 0.5, 1, and 2 h and area under the plasma concentration-time curve from 0 to 3 h (AUC0→3h) (P < 0.01). However, the AUC0→3h of LEV remained unchanged following the administration of Terumeal ® Soft 2 h after the initial LEV administration. Moreover, co-administration with semisolid Racol® NF delayed the absorption of LEV without decreasing the AUC0→3h, whereas liquid Racol ® NF did not alter LEV pharmacokinetics. Thus, co-administration of LEV with Terumeal® Soft reduced the absorption of LEV from the gastrointestinal tract, which was prevented by administering Terumeal ® Soft 2 h after LEV administration. Semisolid Racol ® NF altered LEV pharmacokinetics without decreasing its gastrointestinal absorption. Our findings suggested that careful monitoring of the plasma LEV levels is necessary when co-administering LEV with Terumeal ® Soft, semisolid Racol ® NF, or any other semisolid ENs, to prevent the inadvertent effects of the interaction between LEV and ENs.
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Affiliation(s)
| | - Y Urashima
- Laboratory of Clinical Pharmaceutics, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiorikita, Tondabayashi, Osaka 584-8540, Japan Tokio Obata, Laboratory of Clinical Pharmaceutics, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiorikita, Tondabayashi, Osaka 584-8540, Japan ,
| | | | | | | | | | | | | | | | - T Obata
- Laboratory of Clinical Pharmaceutics, Faculty of Pharmacy, Osaka Ohtani University, 3-11-1 Nishikiorikita, Tondabayashi, Osaka 584-8540, Japan
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25
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Setayesh L, Pourreza S, Zeinali Khosroshahi M, Asbaghi O, Bagheri R, Rezaei Kelishadi M, Wong A, Clark CCT, Larky DA, Suzuki K, Ghanavati M. The effects of guar gum supplementation on lipid profile in adults: a GRADE-assessed systematic review, meta-regression and dose-response meta-analysis of randomised placebo-controlled trials. Br J Nutr 2023; 129:1703-1713. [PMID: 35837742 DOI: 10.1017/s0007114522002136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Recent meta-analytic work indicated that guar gum supplementation might improve lipid profile markers in different populations. However, critical methodological limitations such as the use of some unreliable data and the lack of inclusion of several relevant studies, and the scarcity in assessments of regression and dose-specific effects make it difficult to draw meaningful conclusions from the meta-analysis. Therefore, current evidence regarding the effects of guar gum supplementation on lipid profile remains unclear. The present systematic review, meta-regression and dose-response meta-analysis aimed to examine the effects of guar gum supplementation on lipid profile (total cholesterol (TC), LDL, TAG and HDL) in adults. Relevant studies were obtained by searching the PubMed, SCOPUS, Embase and Web of Science databases (from inception to September 2021). Weighted mean differences (WMD) and 95 % CI were estimated via a random-effects model. Heterogeneity, sensitivity analysis and publication bias were reported using standard methods. Pooled analysis of nineteen randomised controlled trials (RCT) revealed that guar gum supplementation led to significant reductions in TC (WMD: -19·34 mg/dl, 95 % CI -26·18, -12·49, P < 0·001) and LDL (WMD: -16·19 mg/dl, 95 % CI -25·54, -6·83, P = 0·001). However, there was no effect on TAG and HDL among adults in comparison with control group. Our outcomes suggest that guar gum supplementation lowers TC and LDL in adults. Future large RCT on various populations are needed to show further beneficial effects of guar gum supplementation on lipid profile and establish guidelines for clinical practice.
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Affiliation(s)
- Leila Setayesh
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Sanaz Pourreza
- Department of Clinical Nutrition, School of Nutritional Science, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Omid Asbaghi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan, Iran
| | - Mahnaz Rezaei Kelishadi
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, USA
| | - Cain C T Clark
- Centre for Intelligent Healthcare, Coventry University, CoventryCV1 5FB, UK
| | - Damoon Ashtary Larky
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa359-1192, Japan
| | - Matin Ghanavati
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology, Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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26
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Wakasugi-Onogi S, Ma S, Ruhee RT, Tong Y, Seki Y, Suzuki K. Sulforaphane Attenuates Neutrophil ROS Production, MPO Degranulation and Phagocytosis, but Does Not Affect NET Formation Ex Vivo and In Vitro. Int J Mol Sci 2023; 24:ijms24108479. [PMID: 37239829 DOI: 10.3390/ijms24108479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/01/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Sulforaphane has several effects on the human body, including anti-inflammation, antioxidation, antimicrobial and anti-obesity effects. In this study, we examined the effect of sulforaphane on several neutrophil functions: reactive oxygen species (ROS) production, degranulation, phagocytosis, and neutrophil extracellular trap (NET) formation. We also examined the direct antioxidant effect of sulforaphane. First, we measured neutrophil ROS production induced by zymosan in whole blood in the presence of 0 to 560 µM sulforaphane. Second, we examined the direct antioxidant activity of sulforaphane using a HOCl removal test. In addition, inflammation-related proteins, including an azurophilic granule component, were measured by collecting supernatants following ROS measurements. Finally, neutrophils were isolated from blood, and phagocytosis and NET formation were measured. Sulforaphane reduced neutrophil ROS production in a concentration-dependent manner. The ability of sulforaphane to remove HOCl is stronger than that of ascorbic acid. Sulforaphane at 280 µM significantly reduced the release of myeloperoxidase from azurophilic granules, as well as that of the inflammatory cytokines TNF-α and IL-6. Sulforaphane also suppressed phagocytosis but did not affect NET formation. These results suggest that sulforaphane attenuates neutrophil ROS production, degranulation, and phagocytosis, but does not affect NET formation. Moreover, sulforaphane directly removes ROS, including HOCl.
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Affiliation(s)
| | - Sihui Ma
- Health Nutrition, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Ruheea Taskin Ruhee
- Research Fellow of Japan Society for the Promotion of Sciences, Tokyo 102-0083, Japan
| | - Yishan Tong
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | - Yasuhiro Seki
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
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27
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Kawanishi N, Tominaga T, Suzuki K. Electrical pulse stimulation-induced muscle contraction alters the microRNA and mRNA profiles of circulating extracellular vesicles in mice. Am J Physiol Regul Integr Comp Physiol 2023; 324:R761-R771. [PMID: 37092746 DOI: 10.1152/ajpregu.00121.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Extracellular vesicles, such as exosomes, are secreted by skeletal muscle tissues and may play a role in physiological adaptations induced by exercise. Endurance exercise changes the microRNA (miRNA) profile of circulating extracellular vesicles; however, the effects of resistance exercise are unknown. In this study, we examined the effect of resistance exercise as electrical pulse stimulation (EPS)-induced muscle contraction on the miRNA and mRNA profiles of circulating extracellular vesicles in mice using a comprehensive RNA sequencing-based approach. EPS-induced muscle contraction resulted in changes in the miRNA profile of circulating extracellular vesicles. In particular, 90 min after EPS-induced muscle contraction, a considerable increase in expression of muscle-specific microRNAs, such as miR-1, miR-133, and miR-206, was observed. Furthermore, we found that the expression of 208 mRNAs was considerably altered immediately after EPS-induced muscle contraction and that of 267 mRNAs changed considerably after 90 min. Gene ontology enrichment analysis showed that mRNA expression changes in circulating extracellular vesicles after EPS-induced muscle contraction promoted angiogenesis and regulated the immune response. Changes in the properties of circulating extracellular vesicles owing to muscle contraction may play an important role in resistance exercise-induced physiological adaptations.
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Affiliation(s)
- Noriaki Kawanishi
- Faculty of Advanced Engineering, Chiba Institute of Technology, Narashino, Japan
- Research Organization for Nano and Life Innovation, Waseda University, Tokorozawa, Saitama, Japan
| | - Takaki Tominaga
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
- Research Fellow of Japan Society for the Promotion of Sciences, Chiyoda-ku, Japan
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28
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Tominaga T, Huang J, Wang S, Noguchi M, Tong Y, Asano-Oritani M, Suzuki K. Collagen-Derived Dipeptides and Amino Acids Have Immunomodulatory Effects in M1-Differentiated RAW264.7 Cells and PBMC. Int J Mol Sci 2023; 24:ijms24086925. [PMID: 37108094 PMCID: PMC10138886 DOI: 10.3390/ijms24086925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
A number of food components, such as polyphenols and phytonutrients, have immunomodulatory effects. Collagen has various bioactivities, such as antioxidative effects, the promotion of wound healing, and relieving symptoms of bone/joint disease. Collagen is digested into dipeptides and amino acids in the gastrointestinal tract and subsequently absorbed. However, the difference in immunomodulatory effects between collagen-derived dipeptides and amino acids is unknown. To investigate such differences, we incubated M1 macrophages or peripheral blood mononuclear cells (PBMC) with collagen-derived dipeptides (hydroxyproline-glycine (Hyp-Gly) and proline-hydroxyproline (Pro-Hyp)) and amino acids (proline (Pro), hydroxyproline (Hyp), and glycine (Gly)). We first investigated the dose dependency of Hyp-Gly on cytokine secretion. Hyp-Gly modulates cytokine secretion from M1 macrophages at 100 µM, but not at 10 µM and 1 µM. We then compared immunomodulatory effects between dipeptides and mixtures of amino acids on M1 macrophages and PBMC. There was, however, no difference in cytokine secretion between dipeptides and their respective amino acids. We conclude that collagen-derived dipeptides and amino acids have immunomodulatory effects on M1-differentiated RAW264.7 cells and PBMC and that there is no difference in the immunomodulatory effects between dipeptides and amino acids.
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Affiliation(s)
- Takaki Tominaga
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
- Research Fellow of Japan Society for the Promotion of Sciences, Tokyo 102-0083, Japan
| | - Jiapeng Huang
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | - Shuo Wang
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | | | - Yishan Tong
- Graduate School of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | | | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
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Shams S, Amirinejad M, Amani-Shalamzari S, Rajabi H, Suzuki K. Swimming in cold water upregulates genes involved in thermogenesis and the browning of white adipose tissues. Comp Biochem Physiol B Biochem Mol Biol 2023; 265:110834. [PMID: 36740139 DOI: 10.1016/j.cbpb.2023.110834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/14/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
The purpose of this study was to investigate whether there is an interacting effect of six weeks of swimming in cold water on the gene expression of browning markers in adipose tissue in rodents. Twenty male Wistar rats were randomly divided into four groups: Control (C, 25 °C), Cold Exposure (CE, 4 °C), Swimming in tepid Water (STW, 30 °C), and Swimming in Cold Water (SCW, 15 °C). The swimming included 2-3 min intervals, 1 min rest, until exhaustion, three days a week for six weeks, with 3 to 6% of bodyweight overload. Rats from CE were exposed to cold for 2 h per day, five days per week. After the experimental protocol, interscapular brown (BAT) and inguinal subcutaneous white (WAT) fat tissues were excised, weighed, and processed for beiging and mitochondrial biogenesis markers gene expression. The experimental protocols resulted in an apparent increase in the number of brown adipocytes (per mm2) in the adipose deposits compared to the C group; substantial changes were observed in the SCW group. Compared to other groups, cold exposure alone increased significantly serum norepinephrine, and also β2-adrenergic receptor expression was upregulated in the adipocytes compared to the C group. The STW group increased the expression of peroxisome proliferator-activated receptor-γ (PPAR-γ) coactivator-1 alpha (PGC-1α), β2-adrenergic receptor, and CCAAT/enhancer-binding proteins-α(c/EBP-α) in WAT in comparison with the C group(p < 0.05). In both adipocytes, the SCW intervention significantly upregulated the expression of PGC-1α, PPAR-γ, and c/EBP-α genes in comparison with the C and CE groups. In addition, the expression of TFAM and UCP1 was upregulated substantially in the SCW group compared to other groups. Our data demonstrate that swim training and cold exposure present additive effects in the expression of genes involved in the beiging process and mitochondrial biogenesis markers in BAT and WAT. In addition, it seems that the upregulation of these genes is related to the activation of β2-adrenergic receptors.
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Affiliation(s)
- Sara Shams
- Department of Exercise Physiology, Faculty of Physical Education & Sports Science, Kharazmi University, Tehran, Iran
| | - Mahdi Amirinejad
- Department of Exercise Physiology, Faculty of Physical Education & Sports Science, Kharazmi University, Tehran, Iran
| | - Sadegh Amani-Shalamzari
- Department of Exercise Physiology, Faculty of Physical Education & Sports Science, Kharazmi University, Tehran, Iran.
| | - Hamid Rajabi
- Department of Exercise Physiology, Faculty of Physical Education & Sports Science, Kharazmi University, Tehran, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Mikajima, Tokorozawa, Saitama, Japan.
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Seki Y, Aczel D, Torma F, Jokai M, Boros A, Suzuki K, Higuchi M, Tanisawa K, Boldogh I, Horvath S, Radak Z. No strong association among epigenetic modifications by DNA methylation, telomere length, and physical fitness in biological aging. Biogerontology 2023; 24:245-255. [PMID: 36592269 PMCID: PMC10006047 DOI: 10.1007/s10522-022-10011-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/15/2022] [Indexed: 01/03/2023]
Abstract
Cellular senescence is greatly accelerated by telomere shortening, and the steps forward in human aging are strongly influenced by environmental and lifestyle factors, whether DNA methylation (DNAm) is affected by exercise training, remains unclear. In the present study, we investigated the relationships between physiological functions, maximal oxygen uptake (VO2max), vertical jump, working memory, telomere length (TL) assessed by RT-PCR, DNA methylation-based estimation of TL (DNAmTL), and DNA methylation-based biomarkers of aging of master rowers (N = 146) and sedentary subjects (N = 95), aged between 37 and 85 years. It was found that the TL inversely correlated with chronological age. We could not detect an association between telomere length and VO2max, vertical jump, and working memory by RT-PCR method, while these physiological test results showed a correlation with DNAmTL. DNAmGrimAge and DNAmPhenoAge acceleration were inversely associated with telomere length assessed by both methods. It appears that there are no strong beneficial effects of exercise or physiological fitness on telomere shortening, however, the degree of DNA methylation is associated with telomere length.
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Affiliation(s)
- Yasuhiro Seki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Dora Aczel
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Ferenc Torma
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Matyas Jokai
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Anita Boros
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Mitsuru Higuchi
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Kumpei Tanisawa
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan
| | - Istvan Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - Steve Horvath
- Department of Human Genetics, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Zsolt Radak
- Faculty of Sport Sciences, Waseda University, Tokorozawa, 2-579-15, Japan.
- Research Institute of Sport Science, Hungarian University of Sport Science, Budapest, Hungary.
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Aoki J, Wakaki S, Ishiniwa H, Kawakami T, Miyazaki T, Suzuki K, Takagai Y. Direct Quantification of Attogram Levels of Strontium-90 in Microscale Biosamples Using Isotope Dilution-Thermal Ionization Mass Spectrometry Assisted by Quadrupole Energy Filtering. Anal Chem 2023; 95:4932-4939. [PMID: 36906855 DOI: 10.1021/acs.analchem.2c04844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
Abstract
Although thermal ionization mass spectrometry (TIMS) has been employed for the high-precision analysis of isotope ratios, direct quantification of artificial mono-nuclide in the environment is difficult by even using isotope dilution (ID) due to the coexistence of the great magnitude of natural stable nuclides or isobars. In traditional TIMS and ID-TIMS, a sufficient amount of stable Sr doped on a filament is required to realize a stable and adequate ion-beam intensity (i.e., thermally ionized beams). However, the background noise (BGN) at m/z 90, detected by an electron multiplier, disturbs 90Sr analysis at low concentration levels due to peak tailing of a significant 88Sr ion beam dependent on the 88Sr-doping amount. Here, TIMS assisted by quadruple energy filtering was successfully employed for the direct quantification of attogram levels of an artificial monoisotopic radionuclide strontium-90 (90Sr) in microscale biosamples. Direct quantification was achieved by integrating the ID quantification of natural Sr and simultaneous 90Sr/86Sr isotope ratio analysis. Additionally, the measurement amount calculated by the combination of the ID and intercalibration was corrected for the net result amount of 90Sr by subtracting dark noise and the detected amount derived from the survived 88Sr, which are equivalent with the BGN intensity at m/z 90. Background correction revealed that the detection limits were in the range of 6.15 × 10-2-3.90 × 10-1 ag (0.31-1.95 μBq), depending on the concentration of natural Sr in a 1 μL sample, and the quantification of 0.98 ag (5.0 μBq) of 90Sr in 0-300 mg/L of natural Sr was successful. This method could analyze small sample quantities (1 μL), and the quantitative results were verified against authorized radiometric analysis techniques. Furthermore, the amount of 90Sr in actual teeth was successfully quantified. This method will be a powerful tool for measuring 90Sr in the measurement of micro-samples, which are required to assess and understand the degree of internal radiation exposure.
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Affiliation(s)
- Jo Aoki
- Faculty of Symbiotic Systems Science, Cluster of Science and Technology, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
| | - Shigeyuki Wakaki
- Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 200 Monobe Otsu, Nankoku, Kochi 783-8502, Japan
| | - Hiroko Ishiniwa
- Institute of Environmental Radioactivity, Fukushima University, 1 Kanayagawa, Fukushima 960-1296 Japan
| | | | - Takashi Miyazaki
- Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natushima, Yokosuka, Kanagawa 237-0061, Japan
| | - Katsuhiko Suzuki
- Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natushima, Yokosuka, Kanagawa 237-0061, Japan
| | - Yoshitaka Takagai
- Faculty of Symbiotic Systems Science, Cluster of Science and Technology, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
- Institute of Environmental Radioactivity, Fukushima University, 1 Kanayagawa, Fukushima 960-1296 Japan
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Khodadadi F, Bagheri R, Negaresh R, Moradi S, Nordvall M, Camera DM, Wong A, Suzuki K. The Effect of High-Intensity Interval Training Type on Body Fat Percentage, Fat and Fat-Free Mass: A Systematic Review and Meta-Analysis of Randomized Clinical Trials. J Clin Med 2023; 12:jcm12062291. [PMID: 36983289 PMCID: PMC10054577 DOI: 10.3390/jcm12062291] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
This systematic review and meta-analysis of randomized controlled trials (RCTs) compared body compositional changes, including fat mass (FM), body fat percentage (BF%), and fat-free mass (FFM), between different types of high-intensity interval training (HIIT) (cycling vs. overground running vs. treadmill running) as well as to a control (i.e., no exercise) condition. Meta-analyses were carried out using a random-effects model. The I2 index was used to assess the heterogeneity of RCTs. Thirty-six RCTs lasting between 3 to 15 weeks were included in the current systematic review and meta-analysis. RCTs that examined the effect of HIIT type on FM, BF%, and FFM were sourced from online databases including PubMed, Scopus, Web of Science, and Google Scholar up to 21 June 2022. HIIT (all modalities combined) induced a significant reduction in FM (weighted mean difference [WMD]: −1.86 kg, 95% CI: −2.55 to −1.18, p = 0.001) despite a medium between-study heterogeneity (I2 = 63.3, p = 0.001). Subgroup analyses revealed cycling and overground running reduced FM (WMD: −1.72 kg, 95% CI: −2.41 to −1.30, p = 0.001 and WMD: −4.25 kg, 95% CI: −5.90 to −2.61, p = 0.001, respectively); however, there was no change with treadmill running (WMD: −1.10 kg, 95% CI: −2.82 to 0.62, p = 0.210). There was a significant reduction in BF% with HIIT (all modalities combined) compared to control (WMD: −1.53%, 95% CI: −2.13, −0.92, p = 0.001). All forms of HIIT also decreased BF%; however, overground running induced the largest overall effect (WMD: −2.80%, 95% CI: −3.89 to −1.71, p = 0.001). All types of HIIT combined also induced an overall significant improvement in FFM (WMD: 0.51 kg, 95% CI: 0.06 to 0.95, p = 0.025); however, only cycling interventions resulted in a significant increase in FFM compared to other exercise modalities (WMD: 0.63 kg, 95% CI: 0.17 to 1.09, p = 0.007). Additional subgroup analyses suggest that training for more than 8 weeks, at least 3 sessions per week, with work intervals less than 60 s duration and separated by ≤90 s active recovery are more effective for eliciting favorable body composition changes. Results from this meta-analysis demonstrate favorable body composition outcomes following HIIT (all modalities combined) with overall reductions in BF% and FM and improved FFM observed. Overall, cycling-based HIIT may confer the greatest effects on body composition due to its ability to reduce BF% and FM while increasing FFM.
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Affiliation(s)
- Fatemeh Khodadadi
- Department of Exercise Physiology, Ferdowsi University of Mashhad, Mashhad 91779-48974, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan 81746-73441, Iran
- Correspondence: (R.B.); (K.S.)
| | - Raoof Negaresh
- Department of Physical Education & Sport Sciences, Tarbiat Modares University, Tehran 14117-13116, Iran
| | - Sajjad Moradi
- Nutritional Sciences Department, School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah 67158-47141, Iran
| | - Michael Nordvall
- Department of Health and Human Performance, Marymount University, Arlington, VA 22207, USA
| | - Donny M. Camera
- Department of Health and Biostatistics, Swinburne University, Melbourne, VIC 3122, Australia
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, VA 22207, USA
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
- Correspondence: (R.B.); (K.S.)
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Hirata M, Tominari T, Ichimaru R, Takiguchi N, Tanaka Y, Takatoya M, Arai D, Yoshinouchi S, Miyaura C, Matsumoto C, Ma S, Suzuki K, Grundler FMW, Inada M. Effects of 4′-Demethylnobiletin and 4′-Demethyltangeretin on Osteoclast Differentiation In Vitro and in a Mouse Model of Estrogen-Deficient Bone Resorption. Nutrients 2023; 15:nu15061403. [PMID: 36986133 PMCID: PMC10057105 DOI: 10.3390/nu15061403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 03/17/2023] Open
Abstract
Citrus nobiletin (NOB) and tangeretin (TAN) show protective effects against disease-related bone destruction. We achieved demethylation of NOB and TAN into 4′-demethylnobiletin (4′-DN) and 4′-demethyltangeretin (4′-DT) using enzyme-manufacturing methods. In this study, we examined the effects of 4′-DN and 4′-DT on in vitro osteoclast differentiation, and on in vivo osteoporotic bone loss in ovariectomized (OVX) mice. 4′-DN and 4′-DT clearly suppressed the osteoclast differentiation induced by interleukin IL-1 or RANKL treatment. 4′-DN and 4′-DT treatments resulted in higher inhibitory activity in osteoclasts in comparison to NOB or TAN treatments. RANKL induced the increased expression of its marker genes and the degradation of IκBα in osteoclasts, while these were perfectly attenuated by the treatment with 4′-MIX: a mixture of 4′-DN and 4′-DT. In an in silico docking analysis, 4′-DN and 4′-DT directly bound to the ATP-binding pocket of IKKβ for functional inhibition. Finally, the intraperitoneal administration of 4′-MIX significantly protected against bone loss in OVX mice. In conclusion, 4′-DN, 4′-DT and 4′-MIX inhibited the differentiation and function of bone-resorbing osteoclasts via suppression of the NF-κB pathway. Novel 4′-DN, 4′-DT and 4′-MIX are candidates for maintaining bone health, which may be applied in the prevention of metabolic bone diseases, such as osteoporosis.
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Affiliation(s)
- Michiko Hirata
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Tsukasa Tominari
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Ryota Ichimaru
- Cooperative Major of Advanced Health Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Naruhiko Takiguchi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Yuki Tanaka
- Cooperative Major of Advanced Health Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Masaru Takatoya
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Daichi Arai
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Shosei Yoshinouchi
- Cooperative Major of Advanced Health Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Chisato Miyaura
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Chiho Matsumoto
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Sihui Ma
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Tokyo 359-1192, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Tokyo 359-1192, Japan
| | - Florian M. W. Grundler
- Institute of Crop Science and Resource Conservation, University of Bonn, Karlrobert-Kreiten-Strasse 13, 53115 Bonn, Germany
- Life Science Inada Unit, Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Masaki Inada
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
- Life Science Inada Unit, Institute of Global Innovation Research, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
- Correspondence:
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Kawai T, Shimohira M, Nakayama K, Sato T, Ohta K, Suzuki K, Sawada Y, Wei Ng K, Huei Leong S, Hiwatashi A. Abstract No. 230 Robot-Assisted CT-Guided Biopsy with an Artificial Intelligence-Based Needle-Path Generator: A Phantom Study. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
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Shimohira M, Kawai T, Ohta K, Suzuki K, Nakayama K, Hiwatashi A. Abstract No. 162 Pulmonary Arteriovenous Malformations: Which Factors Are Associated with Symptomatic Neurologic Complications in Solitary Lesions? J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
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Naghashpour M, Dayer D, Karami H, Naghashpour M, Moghadam MT, Haeri SMJ, Suzuki K. Evaluating the Magnolol Anticancer Potential in MKN-45 Gastric Cancer Cells. Medicina (Kaunas) 2023; 59:medicina59020286. [PMID: 36837487 PMCID: PMC9963572 DOI: 10.3390/medicina59020286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/20/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Background and Objectives: Combination therapy improves the effect of chemotherapy on tumor cells. Magnolol, used in treating gastrointestinal disorders, has been shown to have anti-cancer properties. We investigated the synergistic effect of cisplatin and magnolol on the viability and maintenance of MKN-45 gastric cancer cells. Materials and Methods: The toxicity of magnolol and/or cisplatin was determined using the MTT technique. The trypan blue method was used to test magnolol and/or cisplatin's effect on MKN-45 cell growth. Crystal violet staining was used to assess the treated cells' tendency for colony formation. The expression of genes linked to apoptosis, cell cycle arrest, and cell migration was examined using the qPCR method. Results: According to MTT data, using magnolol and/or cisplatin significantly reduced cell viability. The ability of the treated cells to proliferate and form colonies was also reduced considerably. Magnolol and/or cisplatin treatment resulted in a considerable elevation in Bax expression. However, the level of Bcl2 expression was dramatically reduced. p21 and p53 expression levels were significantly increased in the treated cells, while MMP-9 expression was significantly reduced. Conclusions: These findings show that magnolol has a remarkable anti-tumor effect on MKN-45 cells. In combination with cisplatin, magnolol may be utilized to overcome cisplatin resistance in gastric cancer cells.
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Affiliation(s)
- Mahsa Naghashpour
- Department of Anatomical Sciences, Medical School, Arak University of Medical Sciences, Arak 38481-7-6341, Iran
| | - Dian Dayer
- Cellular and Molecular Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 61357-15794, Iran
| | - Hadi Karami
- Department of Molecular Medicine and Biotechnology, Faculty of Medicine, Arak University of Medical Sciences, Arak 38481-7-6341, Iran
| | - Mahshid Naghashpour
- Department of Basic Medical Sciences, Faculty of Medicine, Abadan University of Medical Sciences, Abadan 6313833177, Iran
| | - Mahin Taheri Moghadam
- Department of Anatomical Science, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 61357-15753, Iran
| | - Seyed Mohammad Jafar Haeri
- Department of Anatomical Sciences, Medical School, Arak University of Medical Sciences, Arak 38481-7-6341, Iran
- Correspondence: (S.M.J.H.); (K.S.); Tel.: +98-9123276391 (S.M.J.H.)
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
- Correspondence: (S.M.J.H.); (K.S.); Tel.: +98-9123276391 (S.M.J.H.)
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Selmi O, Ouergui I, Muscella A, Levitt DE, Suzuki K, Bouassida A. Monitoring mood state to improve performance in soccer players: A brief review. Front Psychol 2023; 14:1095238. [PMID: 36910823 PMCID: PMC9992435 DOI: 10.3389/fpsyg.2023.1095238] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 02/03/2023] [Indexed: 02/24/2023] Open
Abstract
Introduction Psychological aspects of sport are key in maintaining athlete motivation and make a difference in competitive outcomes. Adjustments to training may be necessary according to athletes' emotional state. Therefore, it is important to assess and quantify mood states throughout the season in team sports, including among soccer players. The Profile of Mood States (POMS) is a widely used questionnaire that assesses emotional states characterized by positive or negative feelings and can be administered repeatedly to assess changes in mood state. This review aims to assess and summarize the current literature on mood state variation in soccer players with a specific focus on training loads, training modalities, and competitive performance. Methods A literature search was systematically conducted and resulted in 156 records. After removing duplicates, items with irrelevant titles and abstracts were screened out, and full texts were then screened for relevance and compared with inclusion and exclusion criteria. The remaining 37 articles were included in the final qualitative synthesis. Results POMS scores were related to variability in training load, intensity of the training period, modality of training exercises, competitive performance and time of day in soccer players. Common recommendations include monitoring the mood state of soccer players during training sessions, matches, and throughout training periods to detect early signs of psychological disturbance and aid in optimizing high-level training performance. Conclusion The POMS allows for monitoring of players' psychological state, providing coaches with data to aid in adjusting acute program variables according to players' psychological states and improve performance. Results offer practical support for the use of a simple POMS measurement as part of an overall program to monitor the players' psychological states. Results also highlight how training choices (i.e., load and exercise modality) and competitive performance are related to mood states (i.e., tension, anger, confusion, depression, fatigue, and vigor).
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Affiliation(s)
- Okba Selmi
- High Institute of Sports and Physical Education of Kef, University of Jendouba, El Kef, Tunisia.,Research Unit: Sportive Sciences, Health and Movement, El Kef, Tunisia.,High Institute of Sports and Physical Education, Ksar Said, University of Manouba, Tunis, Tunisia
| | - Ibrahim Ouergui
- High Institute of Sports and Physical Education of Kef, University of Jendouba, El Kef, Tunisia.,Research Unit: Sportive Sciences, Health and Movement, El Kef, Tunisia
| | - Antonella Muscella
- Department of Biological and Environmental Science and Technologies, University of Salento, Lecce, Italy
| | - Danielle E Levitt
- Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, TX, United States
| | | | - Anissa Bouassida
- High Institute of Sports and Physical Education of Kef, University of Jendouba, El Kef, Tunisia.,Research Unit: Sportive Sciences, Health and Movement, El Kef, Tunisia
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Hidaka R, Masuda Y, Ogawa K, Tanaka T, Kanazawa M, Suzuki K, Stading M, Iijima K, Matsuo K. Impact of the Comprehensive Awareness Modification of Mouth, Chewing and Meal (CAMCAM) Program on the Attitude and Behavior Towards Oral Health and Eating Habits as Well as the Condition of Oral Frailty: A Pilot Study. J Nutr Health Aging 2023; 27:340-347. [PMID: 37248757 DOI: 10.1007/s12603-023-1913-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 03/29/2023] [Indexed: 05/31/2023]
Abstract
OBJECTIVES Preserving sufficient oral function and maintaining aadequate nutrition are essential for preventing physical frailty and the following long-term care. We recently developed the 6-month Comprehensive Awareness Modification of Mouth, Chewing And Meal (CAMCAM) program, in which participants gather monthly to learn about oral health and nutrition while eating a textured lunch together. This study examined whether the CAMCAM program could improve attitude and behavior towards oral health, mastication, and diet as well as ameliorate oral frailty in community-dwelling older adults. DESIGN Single-arm pre-post comparison study. SETTING AND PARTICIPANTS A total of 271 community-dwelling adults (72.3 ± 5.7 years of age; 159 women [58.7%]) in 4 Japanese municipalities were recruited, of which 249 participants (92%) were assessed at the final evaluation. INTERVENTION Participants gathered once a month at community centers to learn about oral health and nutrition while eating a "munchy" textured lunch containing proper nutrition. MEASUREMENTS Oral frailty, frailty, and eating behavior were evaluated with the Oral Frailty Index-8 (OFI-8), Kihon checklist (KCL), and CAMCAM checklist, respectively. Participants were divided into Oral frailty (OF) and Robust groups according to OFI-8 scores. The differences in KCL and CAMCAM checklist results between the OF and Robust groups were statistically tested along with changes in scores after the program. RESULTS KCL and CAMCAM checklist scores were significantly lower in the OF group at the initial assessment. OFI-8 and KCL findings were significantly improved in the OF group after completing the program (all P <0.05). Regarding the CAMCAM checklist, awareness of chewing improved significantly in the Robust group (P=0.009), with a similar tendency in the OF group (P=0.080). CONCLUSION The findings of this pilot study suggest that the CAMCAM program may improve both oral and systemic frailty in addition to attitudes towards chewing, oral health, and meals, especially in individuals with oral frailty. The CAMCAM program merits expansion as a community-based frailty prevention program.
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Affiliation(s)
- R Hidaka
- Koichiro Matsuo, Department of Oral Health Sciences for Community Welfare, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan, Phone: +81-3-5803-4545, E-mail:
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Nishi Y, Murakami Y, Teshima S, Tsukano K, Otsuka M, Hirata H, Tsuchiya M, Suzuki K. Endotoxin activity and leukocytic STAT3 mRNA alterations differ according to age in lipopolysaccharide-challenged calves. Res Vet Sci 2022; 152:300-306. [DOI: 10.1016/j.rvsc.2022.08.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 11/27/2022]
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Suzuki K, Nishio N, Kimura H, Tokura T, Kishi S, Ozaki N, Fujimoto Y, Sone M. Comparison of quality of life and psychological distress in patients with tongue cancer undergoing a total/subtotal glossectomy or extended hemiglossectomy and free flap transfer: a prospective evaluation. Int J Oral Maxillofac Surg 2022; 52:621-629. [PMID: 36470693 DOI: 10.1016/j.ijom.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/18/2022] [Accepted: 11/23/2022] [Indexed: 12/03/2022]
Abstract
The aim of this study was to assess changes in the quality of life and psychological distress of patients with tongue cancer undergoing total/subtotal glossectomy (TG) or extended hemiglossectomy (HG) and free flap transfer. Differences between the two groups were compared using the Short Form 8-Item Health Survey (SF-8) and Hospital Anxiety and Depression Scale (HADS). Of the 43 patients with tongue cancer, 24 (56%) underwent TG and 19 (44%) underwent HG. The general health and social functioning scores in the SF-8 and depression in the HADS were significantly worse in the TG group than in the HG group at 12 months after surgery, indicating that patients in the TG group may experience social isolation and psychological distress, and have difficulty in employability even 12 months after surgery. In contrast, all items of the SF-8 in the HG group were nearly equal to those in the general population. Due to the extensive psychological impact on patients with tongue cancer who are planned for an extended resection, curative surgery with free flap transfer and multidisciplinary psychiatric support are essential to improve quality of life and manage psychological distress.
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Kawakami R, Tanisawa K, Ito T, Usui C, Miyachi M, Torii S, Midorikawa T, Ishii K, Muraoka I, Suzuki K, Sakamoto S, Higuchi M, Oka K. Fat-Free Mass Index as a Surrogate Marker of Appendicular Skeletal Muscle Mass Index for Low Muscle Mass Screening in Sarcopenia. J Am Med Dir Assoc 2022; 23:1955-1961.e3. [PMID: 36179769 DOI: 10.1016/j.jamda.2022.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVES We aimed to examine the relationship between the fat-free mass index (FFMI; FFM/height2) and appendicular skeletal muscle mass index (ASMI; ASM/height2), measured using both bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA), and investigate the effects of age and obesity. We also evaluated the suitability of BIA-measured FFMI as a simple surrogate marker of the ASMI and calculated the optimal FFMI cutoff value for low muscle mass screening to diagnose sarcopenia. DESIGN Cross-sectional study. SETTING AND PARTICIPANTS This study included 1313 adults (women, 33.6%) aged 40-87 years (mean age, 55 ± 10 years) from the WASEDA'S Health Study. METHODS Body composition was measured using multifrequency BIA and DXA. Low muscle mass was defined according to the criteria of the Asian Working Group for Sarcopenia 2019. RESULTS BIA-measured FFMI showed strong positive correlations with both BIA- (r = 0.96) and DXA-measured (r = 0.95) ASMIs. Similarly, in the subgroup analysis according to age and obesity, the FFMI was correlated with the ASMI. The areas under the receiver operating characteristic curve for screening low muscle mass defined by DXA-measured ASMI using BIA-measured FFMI values were 0.95 (95% CI 0.93-0.97) for men and 0.91 (95% CI 0.87-0.94) for women. The optimal BIA-measured FFMI cutoff values for screening low muscle mass defined by DXA-measured ASMI were 17.5 kg/m2 (sensitivity 89%, specificity 88%) for men and 14.6 kg/m2 (sensitivity 80%, specificity 86%) for women. CONCLUSIONS AND IMPLICATIONS The FFMI showed a strong positive correlation with BIA- and DXA-measured ASMIs, regardless of age and obesity. The FFMI could be a useful simple surrogate marker of the ASMI for low muscle mass screening in sarcopenia in community settings. The suggested FFMI cutoff values for predicting low muscle mass are <18 kg/m2 in men and <15 kg/m2 in women.
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Affiliation(s)
- Ryoko Kawakami
- Cancer Prevention and Control Division, Kanagawa Cancer Center Research Institute, Kanagawa, Japan; Department of Genetic Medicine, Kanagawa Cancer Center, Kanagawa, Japan; Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan.
| | - Kumpei Tanisawa
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Tomoko Ito
- Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan; Department of Food and Nutrition, Tokyo Kasei University, Tokyo, Japan
| | - Chiyoko Usui
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | | | - Suguru Torii
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Taishi Midorikawa
- Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan; College of Health and Welfare, J. F. Oberlin University, Tokyo, Japan
| | - Kaori Ishii
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Isao Muraoka
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | | | - Shizuo Sakamoto
- Faculty of Sport Sciences, Waseda University, Saitama, Japan; Faculty of Sport Science, Surugadai University, Saitama, Japan
| | - Mitsuru Higuchi
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Koichiro Oka
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
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Girard O, Duan R, Suzuki K, Yan X. Editorial: Hypoxia and exercise: Tissue specific and systemic adaptive responses. Front Physiol 2022; 13:1095416. [DOI: 10.3389/fphys.2022.1095416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/25/2022] Open
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Suzuki K, Hekmatikar AHA, Jalalian S, Abbasi S, Ahmadi E, Kazemi A, Ruhee RT, Khoramipour K. The Potential of Exerkines in Women's COVID-19: A New Idea for a Better and More Accurate Understanding of the Mechanisms behind Physical Exercise. Int J Environ Res Public Health 2022; 19:ijerph192315645. [PMID: 36497720 PMCID: PMC9737724 DOI: 10.3390/ijerph192315645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 05/31/2023]
Abstract
The benefits of physical exercise are well-known, but there are still many questions regarding COVID-19. Chow et al.'s 2022 study, titled Exerkines and Disease, showed that a special focus on exerkines can help to better understand the underlying mechanisms of physical exercise and disease. Exerkines are a group of promising molecules that may underlie the beneficial effects of physical exercise in diseases. The idea of exerkines is to understand the effects of physical exercise on diseases better. Exerkines have a high potential for the treatment of diseases and, considering that, there is still no study of the importance of exerkines on the most dangerous disease in the world in recent years, COVID-19. This raises the fundamental question of whether exerkines have the potential to manage COVID-19. Most of the studies focused on the general changes in physical exercise in patients with COVID-19, both during the illness and after discharge from the hospital, and did not investigate the basic differences. A unique look at the management of COVID-19 by exerkines, especially in obese and overweight women who experience high severity of COVID-19 and whose recovery period is long after discharge from the hospital, can help to understand the basic mechanisms. In this review, we explore the potential of exerkines in COVID-19 by practicing physical exercise to provide compelling practice recommendations with new insights.
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Affiliation(s)
- Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan
| | - Amir Hossein Ahmadi Hekmatikar
- Department of Physical Education and Sport Sciences, Faculty of Humanities, Tarbiat Modares University, Tehran 10600, Iran
| | - Shadi Jalalian
- Department of Physical Education and Sport Sciences, Science and Research Branch, Islamic Azad University, Tehran 10600, Iran
| | - Shaghayegh Abbasi
- Department of Exercise Physiology, Faculty of Physical Education and Sport Sciences, Kharazmi University, Tehran 10600, Iran
| | - Elmira Ahmadi
- Department of Physical Education and Sport Sciences, Faculty of Humanities, Tarbiat Modares University, Tehran 10600, Iran
| | - Abdolreza Kazemi
- Department of Sports Science, Faculty of Literature and Humanities, Vali-e-Asr University, Rafsanjan 7718897111, Iran
| | | | - Kayvan Khoramipour
- Neuroscience Research Center, Institute of Neuropharmacology, Department of Physiology, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman 7616914115, Iran
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Shiraseb F, Hosseininasab D, Mirzababaei A, Bagheri R, Wong A, Suzuki K, Mirzaei K. Red, white, and processed meat consumption related to inflammatory and metabolic biomarkers among overweight and obese women. Front Nutr 2022; 9:1015566. [PMID: 36438769 PMCID: PMC9684714 DOI: 10.3389/fnut.2022.1015566] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/27/2022] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Considering that a high meat intake is directly associated with obesity, it is critical to address the relationship between consuming different types of meat with inflammation and metabolism in overweight and obese cohorts. Thus, we evaluated the association between red, white, and processed meat consumption with inflammatory and metabolic biomarkers in overweight and obese women. METHODS The current cross-sectional study was conducted on 391 overweight and obese Iranian women. Dietary intake was obtained from a food frequency questionnaire (FFQ) with 147 items. The anthropometric measurements, serum lipid profile, and inflammatory markers were measured by standard protocols. All associations were assessed utilizing one-way analysis of variance (ANOVA), analysis of covariance (ANCOVA), and linear regression models. RESULTS In the adjusted model, it was established that higher intake of processed meat had a significant positive association with leptin levels (β: 0.900, 95% CI: 0.031;1.233, p = 0.015). Moreover, after considering the confounders, a significant positive association between processed meat and macrophage inflammatory protein (MCP-1) levels was observed (β: 0.304, 95% CI:0.100;1.596, p = 0.025). Positive significant associations between high-sensitivity C-reactive protein (hs-CRP) (β:0.020, 95% CI:0.000;0.050, P = 0.014) and plasminogen activator inhibitor 1 (PAI-1) (β:0.263, 95% CI:0.112;0.345, p = 0.053) and MCP-1 (β:0.490, 95% CI: 0.175;1.464, p = 0.071) levels with red meat were also shown; while there was a significant negative association between red meat and the homeostasis model assessment of insulin resistance (HOMA-IR) (β: -0.016, 95% CI: -0.022, -0.001, p = 0.033). Furthermore, a significant negative association were established following confounding adjustment between Galectin-3 (Gal-3) (β: -0.110, 95% CI: -0.271;0.000, p = 0.044), MCP-1 (β: -1.933, 95% CI: -3.721;0.192, p = 0.022) and Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) (β: -0.011, 95% CI: -0.020,0.000, p = 0.070) levels with high adherence of white meat intake. In contrast, a significant marginally positive association between PAI-1 levels and high adherence to white meat intake (β: -0.340, 95% CI: -0.751;0.050, p = 0.070) has been shown. CONCLUSIONS Higher red and processed meat consumption were positively associated with inflammatory and metabolic markers in overweight and obese women. In contrast, negative relationships between high adherence to white meat and various inflammatory and metabolic parameters were established. Further studies are needed to confirm the causality of these associations and potential mediating pathways.
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Affiliation(s)
- Farideh Shiraseb
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Dorsa Hosseininasab
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Atieh Mirzababaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Reza Bagheri
- Department of Exercise Physiology, University of Isfahan, Isfahan, Iran
| | - Alexei Wong
- Department of Health and Human Performance, Marymount University, Arlington, VA, United States
| | - Katsuhiko Suzuki
- Faculty of Sports Sciences, Waseda University, Tokorozawa, Japan
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Yano S, Suzuki K, Hara T. Proteomic profiling of intestinal epithelial-like cell-derived exosomes regulated by epigallocatechin gallate. Biofactors 2022; 49:390-404. [PMID: 36342745 DOI: 10.1002/biof.1918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/18/2022] [Indexed: 11/09/2022]
Abstract
Exosomes are extracellular vesicles primarily responsible for intercellular communication, and they contain nucleic acids and proteins. Exosome secretion has been observed in the intestines, suggesting their physiological effects on the receptor cells of target tissues. It is possible that intestinal epithelial cells recognize food components as ligands, resulting in exosome secretion. However, research on intestine-derived exosomes regulated by food ingredients is limited. In this study, Caco-2 cells were utilized as an intestinal epithelial model for proteomic profiling. NanoLC-MS/MS analysis revealed the alteration of exosome properties by epigallocatechin gallate (EGCG) in differentiated Caco-2 cells. This natural polyphenol reduced both the number and size of secreted exosomes and altered the expression of exosomal proteins. The enriched proteins in exosomes were involved in immune response and cell proliferation. In contrast, those in the EGCG-treated group had distinctive functions in the maintenance of skin homeostasis. We also found variable expression of galectin-3-binding protein and fibronectin as molecular signatures in exosomes derived from EGCG-treated cells. These results could help elucidate the expression and mechanism of exosomal proteins related to food components.
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Affiliation(s)
- Satoshi Yano
- Laboratory of Food and Life Science, Faculty of Human Sciences, Waseda University, Tokorozawa, Japan
| | | | - Taichi Hara
- Laboratory of Food and Life Science, Faculty of Human Sciences, Waseda University, Tokorozawa, Japan
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Hirata K, Naruse H, Yamamoto Y, Hatanaka K, Kinoshita K, Abiko S, Suzuki K, Nakajima K, Katagiri M, Takano M, Ozasa M, Umemura M, Nakajima S, Aoyama K, Sasaki T, Kuwatani M, Sakamoto N, Tanikawa S, Okazaki N, Tanaka S. Gastrointestinal: Rare malignant biliary stricture with rapid progression. J Gastroenterol Hepatol 2022; 37:1839. [PMID: 35307882 DOI: 10.1111/jgh.15802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 12/09/2022]
Affiliation(s)
- K Hirata
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - H Naruse
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - Y Yamamoto
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Hatanaka
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Kinoshita
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Abiko
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Suzuki
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - K Nakajima
- Department of Gastroenterology, Hakodate Municipal Hospital, Hakodate, Japan
| | - M Katagiri
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Takano
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Ozasa
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Umemura
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - S Nakajima
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - K Aoyama
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - T Sasaki
- Department of Gastroenterology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | - M Kuwatani
- Department of Gastroenterology and Hepatology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - N Sakamoto
- Department of Gastroenterology and Hepatology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - S Tanikawa
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - N Okazaki
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - S Tanaka
- Department of Cancer Pathology, Hokkaido University Faculty of Medicine, Sapporo, Japan
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Ma S, Ono M, Mizugaki A, Kato H, Miyashita M, Suzuki K. Cystine/Glutamine Mixture Supplementation Attenuated Fatigue during Endurance Exercise in Healthy Young Men by Enhancing Fatty Acid Utilization. Sports (Basel) 2022; 10:sports10100147. [PMID: 36287760 PMCID: PMC9610368 DOI: 10.3390/sports10100147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Exercise-induced fatigue is a multi-origin physical and mental phenomenon. Efforts to diminish the above predisposition may contribute to endurance, along with athletic well-being, while development of nutritional strategies to optimize condition and exercise performance are essential issues for athletes and trainers. Dietary amino acids are being discussed for their specific health-promoting properties beyond their role as building blocks of proteins. Glutamine, along with cysteine, are two kinds of amino acids that are reported extensively for their anti-oxidation, anti-inflammation, and immune-regulation properties, and are promising in sport applications. In the present study, we designed a randomized, placebo-controlled, crossover trial to examine effects of 7-day supplementation of cystine/glutamine mixture (Cys2/Gln) on self-reporting fatigue index (ratings of perceived exertion, RPE), energy metabolism, and inflammation. We also employed a C2C12 myotube model to examine the capacity of cystine for fatty acid utilization. Cys2/Gln supplementation alleviated fatigue by decreasing RPE and enhanced fatty acid oxidation during a 60 min endurance exercise in human trials, while cystine increased fatty acid utilization in C2C12 myotubes by enhancing mitochondrial respiration. In summary, Cys2/Gln supplementation exerts positive effects on ameliorating exercise-induced fatigue, mechanisms of which can be attributed to enhancement of fatty acid utilization.
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Affiliation(s)
- Sihui Ma
- Faculty of Sport Sciences, Waseda University, Tokorozawa 3591141, Saitama, Japan
- Japan Society for the Promotion of Science, Chiyoda-ku 1020083, Tokyo, Japan
| | - Miho Ono
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 2108680, Kanagawa, Japan
| | - Ami Mizugaki
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 2108680, Kanagawa, Japan
| | - Hiroyuki Kato
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 2108680, Kanagawa, Japan
| | - Masashi Miyashita
- Faculty of Sport Sciences, Waseda University, Tokorozawa 3591141, Saitama, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa 3591141, Saitama, Japan
- Correspondence: ; Tel.: +81-04-2947-6898
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Orumiyehei A, Khoramipour K, Rezaei MH, Madadizadeh E, Meymandi MS, Mohammadi F, Chamanara M, Bashiri H, Suzuki K. High-Intensity Interval Training-Induced Hippocampal Molecular Changes Associated with Improvement in Anxiety-like Behavior but Not Cognitive Function in Rats with Type 2 Diabetes. Brain Sci 2022; 12:1280. [PMID: 36291214 PMCID: PMC9599079 DOI: 10.3390/brainsci12101280] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/16/2022] [Indexed: 09/29/2023] Open
Abstract
(1) Background: Exercise exerts many neuroprotective effects in diabetes-induced brain disorders. In this study, we investigated the effect of high-intensity interval training (HIIT) on brain molecular changes and cognitive and anxiety-like behaviors in rats with type 2 diabetes. (2) Methods: Twenty-eight adult male rats were divided into four groups (n = 7): control (C), exercise + control (C+EX), diabetes (DM), and diabetes + exercise (DM+EX). Diabetes was induced using a two-month high-fat diet and a single dose of streptozotocin (35 mg/kg) in the DM and DM+EX groups. After, the C+EX and DM+EX groups performed HIIT for eight weeks (five sessions per week, running at 80-100% of VMax, 4-10 intervals) on a motorized treadmill. Then, the elevated plus maze (EPM) and open field test (OFT) were performed to evaluate anxiety-like behaviors. The Morris water maze (MWM) and shuttle box were used to assess cognitive function. The hippocampal levels of beta-amyloid and tau protein were also assessed using Western blot. (3) Results: The hippocampal levels of beta-amyloid and tau protein were increased in the DM group, but HIIT restored these changes. While diabetes led to a significant decrease in open arm time percentage (%OAT) and open arm enters percentage (%OAE) in the EPM, indicating anxiety-like behavior, HIIT restored them. In the OFT, grooming was decreased in diabetic rats, which was restored by HIIT. No significant difference between groups was seen in the latency time in the shuttle box or for learning and memory in the MWM. (4) Conclusions: HIIT-induced hippocampal molecular changes were associated with anxiety-like behavior improvement but not cognitive function in rats with type 2 diabetes.
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Affiliation(s)
- Amin Orumiyehei
- Toxicology Research Center, Aja University of Medical Sciences, Tehran 1411718541, Iran
| | - Kayvan Khoramipour
- Neuroscience Research Center, Institute of Neuropharmacology, Department of Physiology and Pharmacology, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman 7616914115, Iran
| | - Maryam Hossein Rezaei
- Department of Exercise Physiology, Faculty of Sport Sciences, Shahid Bahonar University, Kerman 7616913439, Iran
| | - Elham Madadizadeh
- Department of Exercise Physiology, Faculty of Sport Sciences, Shahid Bahonar University, Kerman 7616913439, Iran
| | - Manzumeh Shamsi Meymandi
- Neuroscience Research Center, Institute of Neuropharmacology, Department of Physiology and Pharmacology, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman 7616914115, Iran
| | | | - Mohsen Chamanara
- Toxicology Research Center, Aja University of Medical Sciences, Tehran 1411718541, Iran
- Department of Pharmacology, School of Medicine, Aja University of Medical Sciences, Tehran 1411718541, Iran
| | - Hamideh Bashiri
- Physiology Research Center, Institute of Basic and Clinical Physiology Sciences, Department of Physiology and Pharmacology, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616914115, Iran
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Institute of Sports Nutrition, Waseda University, Saitama 359-1192, Japan
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Huang J, Tagawa T, Ma S, Suzuki K. Black Ginger ( Kaempferia parviflora) Extract Enhances Endurance Capacity by Improving Energy Metabolism and Substrate Utilization in Mice. Nutrients 2022; 14:3845. [PMID: 36145222 PMCID: PMC9501856 DOI: 10.3390/nu14183845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 11/17/2022] Open
Abstract
Black ginger (Kaempferia parviflora) extract (KPE), extracted from KP, a member of the ginger family that grows in Thailand, has a good promotion effect on cellular energy metabolism and therefore has been used to enhance exercise performance and treatment of obesity in previous studies. However, the effect of single-dose administration of KPE on endurance capacity has not been thoroughly studied, and whether the positive effect of KPE on cellular energy metabolism can have a positive effect on exercise capacity in a single dose is unknown. In the present study, we used a mouse model to study the effects of acute KPE administration 1 h before exercise on endurance capacity and the underlying mechanisms. The purpose of our study was to determine whether a single administration of KPE could affect endurance performance in mice and whether the effect was produced through a pro-cellular energy metabolic pathway. We found that a single administration of KPE (62.5 mg/kg·bodyweight) can significantly prolong the exercise time to exhaustion. By measuring the mRNA expression of Hk2, Slc2a4 (Glut4), Mct1, Ldh, Cd36, Cpt1β, Cpt2, Lpl, Pnpla2 (Atgl), Aco, Acadm (Mcad), Hadh, Acacb (Acc2), Mlycd (Mcd), Pparg, Ppargc1a (Pgc-1α), Tfam, Gp, Gs, Pfkm, Pck1 (Pepck), G6pc (G6pase), Cs, and Pfkl in skeletal muscle and liver, we found that acute high-concentration KPE administration significantly changed the soleus muscle gene expression levels (p < 0.05) related to lipid, lactate, and glycogen metabolism and mitochondrial function. In gastrocnemius muscle and liver, glycogen metabolism-related gene expression is significantly changed by a single-dose administration of KPE. These results suggest that KPE has the potential to improve endurance capacity by enhancing energy metabolism and substrate utilization in muscles and liver.
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Affiliation(s)
- Jiapeng Huang
- Graduate School of Sport Sciences, Tokorozawa Campus, Waseda University, Tokorozawa 3591192, Japan
| | - Takashi Tagawa
- Maruzen Pharmaceuticals Co., Ltd., Hiroshima 7293102, Japan
| | - Sihui Ma
- Faculty of Sport Sciences, Tokorozawa Campus, Waseda University, Tokorozawa 3591192, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Tokorozawa Campus, Waseda University, Tokorozawa 3591192, Japan
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Uchida S, Hattori A, Fukui M, Matsunaga T, Takamochi K, Suzuki K. EP02.03-025 Long-Term Oncological Outcomes and Risk Factors of Recurrence After Segmentectomy for Primary Lung Cancer. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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