1
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Mukai R, Hata N. Tissue distribution and pharmacokinetics of isoxanthohumol from hops in rodents. Food Sci Nutr 2024; 12:2210-2219. [PMID: 38455172 PMCID: PMC10916623 DOI: 10.1002/fsn3.3900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 11/03/2023] [Accepted: 12/04/2023] [Indexed: 03/09/2024] Open
Abstract
Vegetables and fruits contain prenylflavonoids with biological functions that might improve human health. The prenylflavonoid isoxanthohumol (IXA) and its derivative, 8-prenylnaringenin (8-PN), have beneficial activities, including anti-cancer effects and suppression of insulin resistance. However, their pharmacokinetic profile is unclear. Previous studies suggested flavonoids have low systemic availability and are excreted via the feces. Therefore, this study investigated the tissue distribution dynamics of high-purity IXA (>90%) from hops administered orally, either singly (50 mg/kg body weight [BW]) or daily for 14 days (30 mg/kg BW), to mice. High-pressure liquid chromatography demonstrated that IXA was absorbed rapidly after a single administration and reached plasma maximum concentration (C max) (3.95 ± 0.81 μmol/L) by 0.5 h. IXA was present at high levels in the liver compared with the kidney, pancreas, lung, skeletal muscle, spleen, thymus, and heart. The highest IXA level after 14 days of IXA ingestion was observed in the liver, followed by the kidney, thymus, spleen, lung, and brain. There was no significant difference in IXA accumulation in tissues between the single and multiple dose groups. Analyses of the livers of rats treated with different concentrations of IXA (112.5-1500 mg/kg BW) once a day for 28 days demonstrated that IXA accumulated dose-dependently with a correlation coefficient of .813. The accumulation of 8-PN was dependent on the intake period but not the intake amount of IXA (correlation coefficient -.255). In summary, IXA and 8-PN were detected in tissues and organs up to 24 h after ingestion, suggesting that orally ingested IXA might have health benefits as a nutraceutical.
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Affiliation(s)
- Rie Mukai
- Department of Food Science, Graduate School of Technology, Industrial and Social SciencesTokushima UniversityTokushimaJapan
| | - Natsumi Hata
- Department of Food Science, Graduate School of Technology, Industrial and Social SciencesTokushima UniversityTokushimaJapan
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2
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Liu S, Zhang L, Li S. Advances in nutritional supplementation for sarcopenia management. Front Nutr 2023; 10:1189522. [PMID: 37492597 PMCID: PMC10365293 DOI: 10.3389/fnut.2023.1189522] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 06/20/2023] [Indexed: 07/27/2023] Open
Abstract
Sarcopenia is a syndrome characterized by a decline in muscular mass, strength, and function with advancing age. The risk of falls, fragility, hospitalization, and death is considerably increased in the senior population due to sarcopenia. Although there is no conclusive evidence for drug treatment, resistance training has been unanimously recognized as a first-line treatment for managing sarcopenia, and numerous studies have also pointed to the combination of nutritional supplementation and resistance training as a more effective intervention to improve quality of life for people with sarcopenia. People with both malnutrition and sarcopenia have a higher mortality rate, so identifying people at risk of malnutrition and intervening early is extremely important to avoid sarcopenia and its associated problems. This article provides important information for dietary interventions in sarcopenia by summarizing the discoveries and developments of nutritional supplements such as protein, leucine, β-hydroxy-β-methylbutyric acid, vitamin D, vitamin C, vitamin E, omega-3 fatty acids, creatine, inorganic nitrate, probiotics, minerals, collagen peptides, and polyphenols in the management of sarcopenia.
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Affiliation(s)
- Simin Liu
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Zhang
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Shuangqing Li
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- National Clinical Research Center for Geriatrics, Multimorbidity Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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3
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Tanaka Y, Okuyama H, Nishikawa M, Ikushiro SI, Ikeda M, Ishima Y, Ukawa Y, Oe K, Terao J, Mukai R. 8-Prenylnaringenin tissue distribution and pharmacokinetics in mice and its binding to human serum albumin and cellular uptake in human embryonic kidney cells. Food Sci Nutr 2022; 10:1070-1080. [PMID: 35432956 PMCID: PMC9007292 DOI: 10.1002/fsn3.2733] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/27/2021] [Accepted: 01/02/2022] [Indexed: 12/17/2022] Open
Abstract
8-Prenylnaringenin (8-PN), a hop flavonoid, is a promising food substance with health benefits. Compared with nonprenylated naringenin, 8-PN exhibits stronger estrogenic activity and prevents muscle atrophy. Moreover, 8-PN prevents hot flushes and bone loss. Considering that prenylation reportedly improves the bioavailability of flavonoids, we compared the parameters related to the bioavailability [pharmacokinetics and tissue distribution in C57/BL6 mice, binding affinity to human serum albumin (HSA), and cellular uptake in HEK293 cells] of 8-PN and its mother (non-prenylated) compound naringenin. C57/BL6 mice were fed an 8-PN or naringenin mixed diet for 22 days. The amount of 8-PN (nmol/g tissue) in the kidneys (16.8 ± 9.20), liver (14.8 ± 2.58), muscles (3.33 ± 0.60), lungs (2.07 ± 0.68), pancreas (1.80 ± 0.38), heart (1.71 ± 0.27), spleen (1.36 ± 0.29), and brain (0.31 ± 0.09) was higher than that of naringenin. A pharmacokinetic study in mice demonstrated that the C max of 8-PN (50 mg/kg body weight) was lower than that of naringenin; however, the plasma concentration of 8-PN 8 h after ingestion was higher than that of naringenin. The binding affinity of 8-PN to HSA and cellular uptake in HEK293 cells were higher than those of naringenin. 8-PN bioavailability features assessed in mouse or human model experiments were obviously different from those of naringenin.
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Affiliation(s)
- Yoshiaki Tanaka
- Department of Food Science Graduate School of Biomedical Sciences Tokushima University Tokushima Japan
| | - Hitomi Okuyama
- Department of Food Science Graduate School of Technology, Industrial and Social Sciences Tokushima University Tokushima Japan
| | - Miyu Nishikawa
- Department of Biotechnology Faculty of Engineering Toyama Prefectural University Toyama Japan
| | - Shin-Ichi Ikushiro
- Department of Biotechnology Faculty of Engineering Toyama Prefectural University Toyama Japan
| | - Mayumi Ikeda
- Department of Pharmacokinetics and Biopharmaceutics Institute of Biomedical Sciences Tokushima University Tokushima Japan
| | - Yu Ishima
- Department of Pharmacokinetics and Biopharmaceutics Institute of Biomedical Sciences Tokushima University Tokushima Japan
| | - Yuichi Ukawa
- Healthcare SBU Business Strategy Business Planning Daicel Corporation Tokyo Japan
| | - Kenichi Oe
- Healthcare SBU Business Strategy, R&D Daicel Corporation Niigata Japan
| | - Junji Terao
- Faculty of Clinical Nutrition and Dietetics Konan Women's University Hyogo Japan
| | - Rie Mukai
- Department of Food Science Graduate School of Biomedical Sciences Tokushima University Tokushima Japan.,Department of Food Science Graduate School of Technology, Industrial and Social Sciences Tokushima University Tokushima Japan
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4
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The Potent Phytoestrogen 8-Prenylnaringenin: A Friend or a Foe? Int J Mol Sci 2022; 23:ijms23063168. [PMID: 35328588 PMCID: PMC8953904 DOI: 10.3390/ijms23063168] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/12/2022] [Accepted: 03/13/2022] [Indexed: 12/29/2022] Open
Abstract
8-prenylnaringenin (8-PN) is a prenylated flavonoid, occurring, in particular, in hop, but also in other plants. It has proven to be one of the most potent phytoestrogens in vitro known to date, and in the past 20 years, research has unveiled new effects triggered by it in biological systems. These findings have aroused the hopes, expectations, and enthusiasm of a “wonder-drug” for a host of human diseases. However, the majority of 8-PN effects require such high concentrations that they cannot be reached by normal dietary exposure, only pharmacologically; thus, adverse impacts may also emerge. Here, we provide a comprehensive and up-to-date review on this fascinating compound, with special reference to the range of beneficial and untoward health consequences that may ensue from exposure to it.
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5
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Polyphenols and Their Effects on Muscle Atrophy and Muscle Health. Molecules 2021; 26:molecules26164887. [PMID: 34443483 PMCID: PMC8398525 DOI: 10.3390/molecules26164887] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 12/17/2022] Open
Abstract
Skeletal muscle atrophy is the decrease in muscle mass and strength caused by reduced protein synthesis/accelerated protein degradation. Various conditions, such as denervation, disuse, aging, chronic diseases, heart disease, obstructive lung disease, diabetes, renal failure, AIDS, sepsis, cancer, and steroidal medications, can cause muscle atrophy. Mechanistically, inflammation, oxidative stress, and mitochondrial dysfunction are among the major contributors to muscle atrophy, by modulating signaling pathways that regulate muscle homeostasis. To prevent muscle catabolism and enhance muscle anabolism, several natural and synthetic compounds have been investigated. Recently, polyphenols (i.e., natural phytochemicals) have received extensive attention regarding their effect on muscle atrophy because of their potent antioxidant and anti-inflammatory properties. Numerous in vitro and in vivo studies have reported polyphenols as strongly effective bioactive molecules that attenuate muscle atrophy and enhance muscle health. This review describes polyphenols as promising bioactive molecules that impede muscle atrophy induced by various proatrophic factors. The effects of each class/subclass of polyphenolic compounds regarding protection against the muscle disorders induced by various pathological/physiological factors are summarized in tabular form and discussed. Although considerable variations in antiatrophic potencies and mechanisms were observed among structurally diverse polyphenolic compounds, they are vital factors to be considered in muscle atrophy prevention strategies.
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6
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Isogai S, Okahashi N, Asama R, Nakamura T, Hasunuma T, Matsuda F, Ishii J, Kondo A. Synthetic production of prenylated naringenins in yeast using promiscuous microbial prenyltransferases. Metab Eng Commun 2021; 12:e00169. [PMID: 33868922 PMCID: PMC8040282 DOI: 10.1016/j.mec.2021.e00169] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 01/19/2021] [Accepted: 03/01/2021] [Indexed: 11/29/2022] Open
Abstract
Reconstitution of prenylflavonoids using the flavonoid biosynthetic pathway and prenyltransferases (PTs) in microbes can be a promising attractive alternative to plant-based production or chemical synthesis. Here, we demonstrate that promiscuous microbial PTs can be a substitute for regiospecific but mostly unidentified botanical PTs. To test the prenylations of naringenin, we constructed a yeast strain capable of producing naringenin from l-phenylalanine by genomic integration of six exogenous genes encoding components of the naringenin biosynthetic pathway. Using this platform strain, various microbial PTs were tested for prenylnaringenin production. In vitro screening demonstrated that the fungal AnaPT (a member of the tryptophan dimethylallyltransferase family) specifically catalyzed C-3′ prenylation of naringenin, whereas SfN8DT-1, a botanical PT, specifically catalyzed C-8 prenylation. In vivo, the naringenin-producing strain expressing the microbial AnaPT exhibited heterologous microbial production of 3′-prenylnaringenin (3′-PN), in contrast to the previously reported in vivo production of 8-prenylnaringenin (8-PN) using the botanical SfN8DT-1. These findings provide strategies towards expanding the production of a variety of prenylated compounds, including well-known prenylnaringenins and novel prenylflavonoids. These results also suggest the opportunity for substituting botanical PTs, both known and unidentified, that display relatively strict regiospecificity of the prenyl group transfer. Promiscuous microbial prenyltransferases replaced regiospecific botanical enzymes. A stable yeast strain that produced naringenin from l-phenylalanine was constructed. A fungal prenyltransferase (AnaPT) catalyzed C-3′ prenylation of naringenin. AnaPT catalyzed the first microbial production of 3′-prenylnaringenin. Microbial prenyltransferases permit the production of various prenylated compounds.
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Affiliation(s)
- Shota Isogai
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Technology Research Association of Highly Efficient Gene Design (TRAHED), Kobe, Japan
| | - Nobuyuki Okahashi
- Department of Bioinformatic Engineering, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Ririka Asama
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan
| | - Tomomi Nakamura
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Technology Research Association of Highly Efficient Gene Design (TRAHED), Kobe, Japan
| | - Tomohisa Hasunuma
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Technology Research Association of Highly Efficient Gene Design (TRAHED), Kobe, Japan.,Engineering Biology Research Center, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan
| | - Fumio Matsuda
- Department of Bioinformatic Engineering, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Jun Ishii
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Technology Research Association of Highly Efficient Gene Design (TRAHED), Kobe, Japan.,Engineering Biology Research Center, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan
| | - Akihiko Kondo
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Technology Research Association of Highly Efficient Gene Design (TRAHED), Kobe, Japan.,Engineering Biology Research Center, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe, 657-8501, Japan.,Center for Sustainable Resource Science, RIKEN, 1-7-22 Suehiro, Tsurumi, Yokohama, 230-0045, Japan
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7
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Alcoholic and Non-Alcoholic Beer Modulate Plasma and Macrophage microRNAs Differently in a Pilot Intervention in Humans with Cardiovascular Risk. Nutrients 2020; 13:nu13010069. [PMID: 33379359 PMCID: PMC7823561 DOI: 10.3390/nu13010069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 02/07/2023] Open
Abstract
Beer is a popular beverage and some beneficial effects have been attributed to its moderate consumption. We carried out a pilot study to test if beer and non-alcoholic beer consumption modify the levels of a panel of 53 cardiometabolic microRNAs in plasma and macrophages. Seven non-smoker men aged 30–65 with high cardiovascular risk were recruited for a non-randomised cross-over intervention consisting of the ingestion of 500 mL/day of beer or non-alcoholic beer for 14 days with a 7-day washout period between interventions. Plasma and urine isoxanthohumol were measured to assess compliance with interventions. Monocytes were isolated and differentiated into macrophages, and plasma and macrophage microRNAs were analysed by quantitative real-time PCR. Anthropometric, biochemistry and dietary parameters were also measured. We found an increase in plasma miR-155-5p, miR-328-3p, and miR-92a-3p after beer and a decrease after non-alcoholic beer consumption. Plasma miR-320a-3p levels decreased with both beers. Circulating miR-320a-3p levels correlated with LDL-cholesterol. We found that miR-17-5p, miR-20a-5p, miR-145-5p, miR-26b-5p, and miR-223-3p macrophage levels increased after beer and decreased after non-alcoholic beer consumption. Functional analyses suggested that modulated microRNAs were involved in catabolism, nutrient sensing, Toll-like receptors signalling and inflammation. We concluded that beer and non-alcoholic beer intake modulated differentially plasma and macrophage microRNAs. Specifically, microRNAs related to inflammation increased after beer consumption and decreased after non-alcoholic beer consumption.
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8
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Kim C, Hwang JK. Flavonoids: nutraceutical potential for counteracting muscle atrophy. Food Sci Biotechnol 2020; 29:1619-1640. [PMID: 33282430 PMCID: PMC7708614 DOI: 10.1007/s10068-020-00816-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/10/2020] [Accepted: 08/21/2020] [Indexed: 12/16/2022] Open
Abstract
Skeletal muscle plays a vital role in the conversion of chemical energy into physical force. Muscle atrophy, characterized by a reduction in muscle mass, is a symptom of chronic disease (cachexia), aging (sarcopenia), and muscle disuse (inactivity). To date, several trials have been conducted to prevent and inhibit muscle atrophy development; however, few interventions are currently available for muscle atrophy. Recently, food ingredients, plant extracts, and phytochemicals have received attention as treatment sources to prevent muscle wasting. Flavonoids are bioactive polyphenol compounds found in foods and plants. They possess diverse biological activities, including anti-obesity, anti-diabetes, anti-cancer, anti-oxidation, and anti-inflammation. The effects of flavonoids on muscle atrophy have been investigated by monitoring molecular mechanisms involved in protein turnover, mitochondrial activity, and myogenesis. This review summarizes the reported effects of flavonoids on sarcopenia, cachexia, and disuse muscle atrophy, thus, providing an insight into the understanding of the associated molecular mechanisms.
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Affiliation(s)
- Changhee Kim
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722 Republic of Korea
| | - Jae-Kwan Hwang
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722 Republic of Korea
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9
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Soluble Whey Protein Hydrolysate Ameliorates Muscle Atrophy Induced by Immobilization via Regulating the PI3K/Akt Pathway in C57BL/6 Mice. Nutrients 2020; 12:nu12113362. [PMID: 33139592 PMCID: PMC7692342 DOI: 10.3390/nu12113362] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/23/2020] [Accepted: 10/28/2020] [Indexed: 12/11/2022] Open
Abstract
Sarcopenia, a loss of skeletal muscle mass and function, is prevalent in older people and associated with functional decline and mortality. Protein supplementation is necessary to maintain skeletal muscle mass and whey protein hydrolysates have the best nutrient quality among food proteins. In the first study, C57BL/6 mice were subjected to immobilization for 1 week to induce muscle atrophy. Then, mice were administered with four different whey protein hydrolysates for 2 weeks with continuous immobilization. Among them, soluble whey protein hydrolysate (WP-S) had the greatest increase in grip strength, muscle weight, and cross-sectional area of muscle fiber than other whey protein hydrolysates. To investigate the molecular mechanism, we conducted another experiment with the same experimental design. WP-S significantly promoted the phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) pathway and inhibited the PI3K/Akt/forkhead box O (FoxO) pathway. In addition, it increased myosin heavy chain (MyHC) expression in both the soleus and quadriceps and changed MyHC isoform expressions. In conclusion, WP-S attenuated muscle atrophy induced by immobilization by enhancing the net protein content regulating muscle protein synthesis and degradation. Thus, it is a necessary and probable candidate for developing functional food to prevent sarcopenia.
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10
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Approaching Gravity as a Continuum Using the Rat Partial Weight-Bearing Model. Life (Basel) 2020; 10:life10100235. [PMID: 33049988 PMCID: PMC7599661 DOI: 10.3390/life10100235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 09/30/2020] [Accepted: 10/03/2020] [Indexed: 12/12/2022] Open
Abstract
For decades, scientists have relied on animals to understand the risks and consequences of space travel. Animals remain key to study the physiological alterations during spaceflight and provide crucial information about microgravity-induced changes. While spaceflights may appear common, they remain costly and, coupled with limited cargo areas, do not allow for large sample sizes onboard. In 1979, a model of hindlimb unloading (HU) was successfully created to mimic microgravity and has been used extensively since its creation. Four decades later, the first model of mouse partial weight-bearing (PWB) was developed, aiming at mimicking partial gravity environments. Return to the Lunar surface for astronauts is now imminent and prompted the need for an animal model closer to human physiology; hence in 2018, our laboratory created a new model of PWB for adult rats. In this review, we will focus on the rat model of PWB, from its conception to the current state of knowledge. Additionally, we will address how this new model, used in conjunction with HU, will help implement new paradigms allowing scientists to anticipate the physiological alterations and needs of astronauts. Finally, we will discuss the outstanding questions and future perspectives in space research and propose potential solutions using the rat PWB model.
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11
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Tronina T, Popłoński J, Bartmańska A. Flavonoids as Phytoestrogenic Components of Hops and Beer. Molecules 2020; 25:molecules25184201. [PMID: 32937790 PMCID: PMC7570471 DOI: 10.3390/molecules25184201] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/14/2022] Open
Abstract
The value of hops (Humulus lupulus L.) in beer production has been undisputed for centuries. Hops is rich in humulones and lupulones which gives the characteristic aroma and bitter taste, and preserves this golden drink against growing bacteria and molds. Besides α- and β-acids, the lupulin glands of hop cones excrete prenylated flavonoids, which exhibit a broad spectrum of biological activities and therefore has therapeutic potential in humans. Recently, interest in hops was raised due to hop prenylated flavanones which show extraordinary estrogen activities. The strongest known phytoestrogen so far is 8-prenylnaringenin (8-PN), which along with 6-prenylanaringenin (6-PN), 6,8-diprenylnaringenin (6,8-DPN) and 8-geranylnaringenin (8-GN) are fundamental for the potent estrogen activity of hops. This review provides insight into the unusual hop phytoestrogens and shows numerous health benefits associated with their wide spectrum of biological activities including estrogenic, anticancer, neuropreventive, antinflamatory, and antimicrobial properties, which were intensively studied, and potential applications of these compounds such as, as an alternative to hormone replacement therapy (HRT).
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12
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Rosa-Caldwell ME, Greene NP. Muscle metabolism and atrophy: let's talk about sex. Biol Sex Differ 2019; 10:43. [PMID: 31462271 PMCID: PMC6714453 DOI: 10.1186/s13293-019-0257-3] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 08/16/2019] [Indexed: 02/07/2023] Open
Abstract
Skeletal muscle health is a strong predictor of overall health and longevity. Pathologies affecting skeletal muscle such as cancer cachexia, intensive care unit treatment, muscular dystrophies, and others are associated with decreased quality of life and increased mortality. Recent research has begun to determine that these muscular pathologies appear to present and develop differently between males and females. However, to our knowledge, there has yet to be a comprehensive review on musculoskeletal differences between males and females and how these differences may contribute to sex differences in muscle pathologies. Herein, we present a review of the current literature on muscle phenotype and physiology between males and females and how these differences may contribute to differential responses to atrophic stimuli. In general, females appear to be more susceptible to disuse induced muscle wasting, yet protected from inflammation induced (such as cancer cachexia) muscle wasting compared to males. These differences may be due in part to differences in muscle protein turnover, satellite cell content and proliferation, hormonal interactions, and mitochondrial differences between males and females. However, more works specifically examining muscle pathologies in females are necessary to more fully understand the inherent sex-based differences in muscle pathologies between the sexes and how they may correspond to different clinical treatments.
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Affiliation(s)
- Megan E Rosa-Caldwell
- Integrative Muscle Metabolism Laboratory, Exercise Science Research Center, Department of Human Health Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA
| | - Nicholas P Greene
- Integrative Muscle Metabolism Laboratory, Exercise Science Research Center, Department of Human Health Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
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13
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Damiot A, Demangel R, Noone J, Chery I, Zahariev A, Normand S, Brioche T, Crampes F, de Glisezinski I, Lefai E, Bareille MP, Chopard A, Drai J, Collin-Chavagnac D, Heer M, Gauquelin-Koch G, Prost M, Simon P, Py G, Blanc S, Simon C, Bergouignan A, O'Gorman DJ. A nutrient cocktail prevents lipid metabolism alterations induced by 20 days of daily steps reduction and fructose overfeeding: result from a randomized study. J Appl Physiol (1985) 2018; 126:88-101. [PMID: 30284519 DOI: 10.1152/japplphysiol.00018.2018] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Physical inactivity and sedentary behaviors are independent risk factors for numerous diseases. We examined the ability of a nutrient cocktail composed of polyphenols, omega-3 fatty acids, vitamin E, and selenium to prevent the expected metabolic alterations induced by physical inactivity and sedentary behaviors. Healthy trained men ( n = 20) (averaging ∼14,000 steps/day and engaged in sports) were randomly divided into a control group (no supplementation) and a cocktail group for a 20-day free-living intervention during which they stopped exercise and decreased their daily steps (averaging ∼3,000 steps/day). During the last 10 days, metabolic changes were further triggered by fructose overfeeding. On days 0, 10, and 20, body composition (dual energy X-ray), blood chemistry, glucose tolerance [oral glucose tolerance test (OGTT)], and substrate oxidation (indirect calorimetry) were measured. OGTT included 1% fructose labeled with (U-13C) fructose to assess liver de novo lipogenesis. Histological changes and related cellular markers were assessed from muscle biopsies collected on days 0 and 20. While the cocktail did not prevent the decrease in insulin sensitivity and its muscular correlates induced by the intervention, it fully prevented the hypertriglyceridemia, the drop in fasting HDL and total fat oxidation, and the increase in de novo lipogenesis. The cocktail further prevented the decrease in the type-IIa muscle fiber cross-sectional area and was associated with lower protein ubiquitination content. The circulating antioxidant capacity was improved by the cocktail following the OGTT. In conclusion, a cocktail of nutrient compounds from dietary origin protects against the alterations in lipid metabolism induced by physical inactivity and fructose overfeeding. NEW & NOTEWORTHY This is the first study to test the efficacy of a novel dietary nutrient cocktail on the metabolic and physiological changes occurring during 20 days of physical inactivity along with fructose overfeeding. The main findings of this study are that 1) reduction in daily steps leads to decreased insulin sensitivity and total fat oxidation, resulting in hyperlipemia and increased de novo lipogenesis and 2) a cocktail supplement prevents the alterations on lipid metabolism.
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Affiliation(s)
- Anthony Damiot
- Université de Strasbourg, Centre national de la recherche scientifique, Institut pluridisciplinaire Hubert Curien UMR 7178, Strasbourg , France
| | - Rémi Demangel
- Université de Montpellier, Institut National de la Recherche Agronomique, UMR866 34060, Dynamique Musculaire et Métabolisme, Montpellier , France
| | - John Noone
- National Institute for Cellular Biotechnology and School of Health and Human Performance, Dublin City University , Dublin , Ireland
| | - Isabelle Chery
- Université de Strasbourg, Centre national de la recherche scientifique, Institut pluridisciplinaire Hubert Curien UMR 7178, Strasbourg , France
| | - Alexandre Zahariev
- Université de Strasbourg, Centre national de la recherche scientifique, Institut pluridisciplinaire Hubert Curien UMR 7178, Strasbourg , France
| | - Sylvie Normand
- CARMEN, Centre de Recherche en Nutrition Humaine, Institut national de la santé et de la recherche médicale U1060/University of Lyon 1/INRA U1235 Lyon , France
| | - Thomas Brioche
- Université de Montpellier, Institut National de la Recherche Agronomique, UMR866 34060, Dynamique Musculaire et Métabolisme, Montpellier , France
| | - François Crampes
- Institut national de la santé et de la recherche médicale, UMR 1048, Obesity Research Laboratory, Institute of Metabolic and Cardiovascular Diseases , Toulouse , France.,Paul Sabatier University , Toulouse , France
| | - Isabelle de Glisezinski
- Institut national de la santé et de la recherche médicale, UMR1048, Obesity Research Laboratory, Institute of Metabolic and Cardiovascular Diseases and University of Toulouse, Paul Sabatier University and Toulouse University Hospitals, Departments of Clinical Biochemistry and Sports Medicine , Toulouse , France
| | - Etienne Lefai
- CARMEN, Centre de Recherche en Nutrition Humaine, Institut national de la santé et de la recherche médicale U1060/University of Lyon 1/INRA U1235 Lyon , France
| | | | - Angèle Chopard
- Université de Montpellier, Institut National de la Recherche Agronomique, UMR866 34060, Dynamique Musculaire et Métabolisme, Montpellier , France
| | - Jocelyne Drai
- CARMEN, Centre de Recherche en Nutrition Humaine, Institut national de la santé et de la recherche médicale U1060/University of Lyon 1/INRA U1235 Lyon , France.,Laboratoire de Biochimie, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - Delphine Collin-Chavagnac
- CARMEN, Centre de Recherche en Nutrition Humaine, Institut national de la santé et de la recherche médicale U1060/University of Lyon 1/INRA U1235 Lyon , France.,Laboratoire de Biochimie, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - Martina Heer
- Institute of Nutritional and Food Sciences, University of Bonn , Bonn , Germany
| | | | - Michel Prost
- Laboratoire de recherches appliquées Spiral/Kirial International, Couternon, France
| | | | - Guillaume Py
- Université de Montpellier, Institut National de la Recherche Agronomique, UMR866 34060, Dynamique Musculaire et Métabolisme, Montpellier , France
| | - Stéphane Blanc
- Université de Strasbourg, Centre national de la recherche scientifique, Institut pluridisciplinaire Hubert Curien UMR 7178, Strasbourg , France
| | - Chantal Simon
- CARMEN, Centre de Recherche en Nutrition Humaine, Institut national de la santé et de la recherche médicale U1060/University of Lyon 1/INRA U1235 Lyon , France.,Laboratoire de Biochimie, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - Audrey Bergouignan
- Université de Strasbourg, Centre national de la recherche scientifique, Institut pluridisciplinaire Hubert Curien UMR 7178, Strasbourg , France.,Anschutz Health and Wellness Center, Anschutz Medical Campus, Aurora, Colorado.,Division of Endocrinology, Metabolism and Diabetes, University of Colorado, Anschutz Medical Campus, Aurora, Colorado
| | - Donal J O'Gorman
- National Institute for Cellular Biotechnology and School of Health and Human Performance, Dublin City University , Dublin , Ireland.,3U Diabetes Consortium, Dublin City University , Ireland
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14
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Mukai R. Prenylation enhances the biological activity of dietary flavonoids by altering their bioavailability. Biosci Biotechnol Biochem 2018; 82:207-215. [DOI: 10.1080/09168451.2017.1415750] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Flavonoids are distributed across the plant kingdom and have attracted substantial attention owing to their potential benefits for human health. Several studies have demonstrated that flavonoids prenylation enhances various biological activities, suggesting an attractive tool for developing functional foods. This review provides an overview of the current knowledge on how prenylation influences the biological activity and bioavailability of flavonoids. The enhancement effect of prenylation on the biological activities of dietary flavonoids in mammals was demonstrated by comparing the effect of 8-prenyl naringenin (8PN) with that of parent naringenin in the prevention of disuse muscle atrophy in mice. This enhancement results from higher muscular accumulation of 8PN than naringenin. As to bioavailability, despite the lower absorption of 8-prenyl quercetin (8PQ) compared with quercetin, higher 8PQ accumulation was found in the liver and kidney. These data imply that prenylation interferes with the elimination of flavonoids from tissues.
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Affiliation(s)
- Rie Mukai
- Field of Food Science and Technology, Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
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15
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Katsuta W, Aihara M, Hirose N, Saito F, Hagiwara H. Changes in oxidative stress severity and antioxidant potential during muscle atrophy and reloading in mice. J Phys Ther Sci 2018; 30:42-46. [PMID: 29410563 PMCID: PMC5788772 DOI: 10.1589/jpts.30.42] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 10/04/2017] [Indexed: 01/27/2023] Open
Abstract
[Purpose] Changes in oxidative stress severity and antioxidant potential are routinely
used as oxidative stress markers. While several studies have reported the relationship
between these markers and exercise, little is known about the dynamic nature of these
markers during muscle atrophy and reloading. Therefore, we examined changes in oxidative
stress severity and antioxidant potential during muscle atrophy and reloading. [Subjects
and Methods] Muscle atrophy was induced in mice by casting the limb for 2 weeks. Mice were
then subjected to reloading for 2 weeks. The severity of oxidative stress (hydroperoxide)
and antioxidant potential (degree of reduction) were quantified. [Results] Muscle atrophy
was induced by cast immobilization. The muscle mass of mice recovered to similar levels as
the control group following 2 weeks of reloading. The degree of oxidative stress was
within the normal range throughout the experimental period. The antioxidant potential
decreased to the clinical borderline level 2 weeks after immobilization, further decreased
after 1 day of reloading, and then recovered to within the normal range. [Conclusion]
Performing d-ROMs and BAP tests may contribute to the understanding to atrophic process of
skeletal muscle in clinical practice of physical therapy.
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Affiliation(s)
- Wakana Katsuta
- Division of Biosciences, Graduate School of Science and Engineering, Teikyo University of Science: 2525 Yatsuzawa, Uenohara, Yamanashi 409-0193, Japan.,Department of Rehabilitation, National Center of Neurology and Psychiatry, Japan
| | - Masahiro Aihara
- Department of Physical Therapy, Faculty of Medical Sciences, Teikyo University of Science, Japan.,Department of Health Science, International University of Health and Welfare Graduate School, Japan
| | - Noboru Hirose
- Department of Physical Therapy, Faculty of Medical Sciences, Teikyo University of Science, Japan.,Department of Neurology, Teikyo University School of Medicine, Japan
| | - Fumiaki Saito
- Department of Neurology, Teikyo University School of Medicine, Japan
| | - Hiroki Hagiwara
- Division of Biosciences, Graduate School of Science and Engineering, Teikyo University of Science: 2525 Yatsuzawa, Uenohara, Yamanashi 409-0193, Japan.,Department of Physical Therapy, Faculty of Medical Sciences, Teikyo University of Science, Japan.,Department of Neurology, Teikyo University School of Medicine, Japan
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