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Mathews R, Chu Y. An encompassing review of meta-analyses and systematic reviews of the effect of oats on all-cause mortality, cardiovascular risk, diabetes risk, body weight/adiposity and gut health. Crit Rev Food Sci Nutr 2024:1-22. [PMID: 39137936 DOI: 10.1080/10408398.2024.2382352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2024]
Abstract
The ability of oats to reduce blood cholesterol is well established but there is increasing evidence that its health benefits extend well beyond that. The purpose of this review was to critically evaluate the state of the science of oats in relation to all-cause mortality, cardiovascular and diabetes risk and the effects of oats on blood lipids, blood glucose, blood pressure, weight management and gut health from meta-analyses and systematic reviews. Limited epidemiological data indicated a possible beneficial effect of oats on all-cause mortality and incident diabetes when high versus low oat consumers were compared, but its effect on cardiovascular events was not adequately discerned. Observational data also showed an inverse association between oat intake and blood cholesterol, blood pressure, body weight and obesity variables in different populations. Randomized controlled oat intervention studies demonstrated a significant reduction in postprandial blood glucose in both diabetic and non-diabetic subjects, fasting blood glucose in diabetic subjects, blood pressure in prehypertensive individuals, and body weight and adiposity in overweight individuals. Increased fecal bulk was observed but clinical data for a potential gut barrier effect is lacking. The mechanism of action of each health effect was reviewed. While beta-glucan viscosity was once considered the only mode of action, it is evident that the fermentation products of beta-glucan and the associated gut microbial changes, as well as other components in oats (i.e., avenanthramides etc.) also play an important role.
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Affiliation(s)
| | - YiFang Chu
- Nutrition Sciences, PepsiCo Global R&D, Chicago, Illinois, USA
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2
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Mio K, Iida-Tanaka N, Togo-Ohno M, Tadenuma N, Yamanaka C, Aoe S. Barley consumption under a high-fat diet suppresses lipogenic genes through altered intestinal bile acid composition. J Nutr Biochem 2024; 125:109547. [PMID: 38081474 DOI: 10.1016/j.jnutbio.2023.109547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 10/31/2023] [Accepted: 12/06/2023] [Indexed: 12/31/2023]
Abstract
We evaluated whether barley flour consumption in a high-fat environment affects lipid metabolism through signals mediated by bile acids. Four-week-old mice were fed a high-fat diet supplemented with cellulose (HC) or β-glucan-rich barley flour (HB) for 12 weeks. Bile acid composition in the intestinal tract and feces was measured by GC/MS. Gene expression levels involved in bile acid metabolism in the liver and intestinal tract were determined by RT-PCR. Similar parameters were measured in mice treated with antibiotics (antibiotics-cellulose [AC] and antibiotics-barley [AB]) to reduce the activity of intestinal bacteria. The Results showed that the HB group had lower liver blood cholesterol and triglyceride levels than the HC group. The HB group showed a significant decrease in primary bile acids in the gastrointestinal tract compared to the HC group. On the other hand, the concentration of secondary bile acids relatively increased in the cecum and feces. In the liver, Fxr activation suppressed gene expression levels in synthesizing bile acids and lipids. Furthermore, in the gastrointestinal tract, Tgr5 was activated by increased secondary bile acids. Correspondingly, AMP levels were increased in the HB group compared to the HC group, AMPK was phosphorylated in the liver, and gene expression involved in lipid synthesis was downregulated. A comparison of the AC and AB groups treated with antibiotics did not confirm these effects of barley intake. In summary, our results suggest that the prevention of lipid accumulation by barley consumption involves signaling through changes in bile acid composition in the intestinal tract.
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Affiliation(s)
- Kento Mio
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan; Research and Development Department, Hakubaku Co., Ltd., Yamanashi, Japan
| | - Naoko Iida-Tanaka
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan; The Institute of Human Culture Studies, Otsuma Women's University, Tokyo, Japan
| | - Marina Togo-Ohno
- Research and Development Department, Hakubaku Co., Ltd., Yamanashi, Japan
| | - Natsuki Tadenuma
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan
| | - Chiemi Yamanaka
- The Institute of Human Culture Studies, Otsuma Women's University, Tokyo, Japan
| | - Seiichiro Aoe
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan; The Institute of Human Culture Studies, Otsuma Women's University, Tokyo, Japan.
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3
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Rajabi A, Nejati M, Homayoonfal M, Arj A, Razavi ZS, Ostadian A, Mohammadzadeh B, Vosough M, Karimi M, Rahimian N, Hamblin MR, Anoushirvani AA, Mirzaei H. Doxorubicin-loaded zymosan nanoparticles: Synergistic cytotoxicity and modulation of apoptosis and Wnt/β-catenin signaling pathway in C26 colorectal cancer cells. Int J Biol Macromol 2024; 260:128949. [PMID: 38143055 DOI: 10.1016/j.ijbiomac.2023.128949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/08/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
Zymosan is a β-glucan isolated from Saccharomyces cerevisiae that could be employed for drug delivery. We synthesized zymosan nanoparticles and measured their structural and morphological properties using XRD, UV-Vis spectroscopy, TEM and AFM. The loading of doxorubicin (DOX) onto the nanoparticles was confirmed by FT-IR, and the DOX release was shown to be pH-dependent. The effect of these agents on C26 cell viability was evaluated by MTT tests and the expression of genes connected with the Wnt/β-catenin pathway and apoptosis were analyzed by RT-qPCR and Western blotting. Treatments were able to suppress the proliferation of C26 cells, and the zymosan nanocarriers loaded with DOX enhanced the anti-proliferative effect of DOX in a synergistic manner. Zymosan nanoparticles were able to suppress the expression of cyclin D1, VEGF, ZEB1, and Twist mRNAs. Treatment groups upregulated the expression of caspase-8, while reducing the Bax/Bcl-2 ratio, thus promoting apoptosis. In conclusion, zymosan nanoparticles as DOX nanocarriers could provide a more targeted drug delivery through pH-responsiveness, and showed synergistic cytotoxicity by modifying Wnt/β-catenin signaling and apoptosis.
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Affiliation(s)
- Ali Rajabi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Majid Nejati
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Mina Homayoonfal
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Abbas Arj
- Autoimmune Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran; Department of Internal Medicine, School of Medicine, Shahid Beheshti Hospital, Kashan University of Medical Sciences, Kashan, Iran
| | - Zahra Sadat Razavi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Amirreza Ostadian
- Department of Laboratory Medicine, School of Allied Medical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | | | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Merat Karimi
- Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran.
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran; Department of Internal Medicine, School of Medicine, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran.
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Ali Arash Anoushirvani
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran; Department of Internal Medicine, School of Medicine, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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Jaeger JW, Brandt A, Gui W, Yergaliyev T, Hernández-Arriaga A, Muthu MM, Edlund K, Elashy A, Molinaro A, Möckel D, Sarges J, Halibasic E, Trauner M, Kahles F, Rolle-Kampczyk U, Hengstler J, Schneider CV, Lammers T, Marschall HU, von Bergen M, Camarinha-Silva A, Bergheim I, Trautwein C, Schneider KM. Microbiota modulation by dietary oat beta-glucan prevents steatotic liver disease progression. JHEP Rep 2024; 6:100987. [PMID: 38328439 PMCID: PMC10844974 DOI: 10.1016/j.jhepr.2023.100987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/16/2023] [Accepted: 12/06/2023] [Indexed: 02/09/2024] Open
Abstract
Background & Aims Changes in gut microbiota in metabolic dysfunction-associated steatotic liver disease (MASLD) are important drivers of disease progression towards fibrosis. Therefore, reversing microbial alterations could ameliorate MASLD progression. Oat beta-glucan, a non-digestible polysaccharide, has shown promising therapeutic effects on hyperlipidemia associated with MASLD, but its impact on gut microbiota and most importantly MASLD-related fibrosis remains unknown. Methods We performed detailed metabolic phenotyping, including assessments of body composition, glucose tolerance, and lipid metabolism, as well as comprehensive characterization of the gut-liver axis in a western-style diet (WSD)-induced model of MASLD and assessed the effect of a beta-glucan intervention on early and advanced liver disease. Gut microbiota were modulated using broad-spectrum antibiotic treatment. Results Oat beta-glucan supplementation did not affect WSD-induced body weight gain or glucose intolerance and the metabolic phenotype remained largely unaffected. Interestingly, oat beta-glucan dampened MASLD-related inflammation, which was associated with significantly reduced monocyte-derived macrophage infiltration and fibroinflammatory gene expression, as well as strongly reduced fibrosis development. Mechanistically, this protective effect was not mediated by changes in bile acid composition or signaling, but was dependent on gut microbiota and was lost upon broad-spectrum antibiotic treatment. Specifically, oat beta-glucan partially reversed unfavorable changes in gut microbiota, resulting in an expansion of protective taxa, including Ruminococcus, and Lactobacillus followed by reduced translocation of Toll-like receptor ligands. Conclusions Our findings identify oat beta-glucan as a highly efficacious food supplement that dampens inflammation and fibrosis development in diet-induced MASLD. These results, along with its favorable dietary profile, suggest that it may be a cost-effective and well-tolerated approach to preventing MASLD progression and should be assessed in clinical studies. Impact and Implications Herein, we investigated the effect of oat beta-glucan on the gut-liver axis and fibrosis development in a mouse model of metabolic dysfunction-associated steatotic liver disease (MASLD). Beta-glucan significantly reduced inflammation and fibrosis in the liver, which was associated with favorable shifts in gut microbiota that protected against bacterial translocation and activation of fibroinflammatory pathways. Together, oat beta-glucan may be a cost-effective and well-tolerated approach to prevent MASLD progression and should be assessed in clinical studies.
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Affiliation(s)
- Julius W. Jaeger
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Annette Brandt
- Department of Nutritional Sciences, University of Vienna, Vienna, Austria
| | - Wenfang Gui
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Timur Yergaliyev
- Department Microbial Ecology of Livestock at the Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Angélica Hernández-Arriaga
- Department Microbial Ecology of Livestock at the Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Mukil Marutha Muthu
- Department Microbial Ecology of Livestock at the Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Karolina Edlund
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
| | - Ahmed Elashy
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Antonio Molinaro
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, Gothenburg, Sweden
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Diana Möckel
- Institute for Experimental Molecular Imaging (ExMI), RWTH Aachen University, Aachen, Germany
| | - Jan Sarges
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
| | - Emina Halibasic
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Michael Trauner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria
| | - Florian Kahles
- Department of Medicine I, University Hospital RWTH Aachen, Aachen, Germany
| | - Ulrike Rolle-Kampczyk
- Department of Molecular Systems Biology, Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany
| | - Jan Hengstler
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
| | | | - Twan Lammers
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Hanns-Ulrich Marschall
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine and Sahlgrenska Center for Cardiovascular and Metabolic Research, University of Gothenburg, Gothenburg, Sweden
| | - Martin von Bergen
- Department of Molecular Systems Biology, Helmholtz Centre for Environmental Research (UFZ), Leipzig, Germany
| | - Amélia Camarinha-Silva
- Department Microbial Ecology of Livestock at the Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Ina Bergheim
- Department of Nutritional Sciences, University of Vienna, Vienna, Austria
| | - Christian Trautwein
- Department of Medicine III, University Hospital RWTH Aachen, Aachen, Germany
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5
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Martinez TM, Wachsmuth HR, Meyer RK, Weninger SN, Lane AI, Kangath A, Schiro G, Laubitz D, Stern JH, Duca FA. Differential effects of plant-based flours on metabolic homeostasis and the gut microbiota in high-fat fed rats. Nutr Metab (Lond) 2023; 20:44. [PMID: 37858106 PMCID: PMC10585811 DOI: 10.1186/s12986-023-00767-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 10/13/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND The gut microbiome is a salient contributor to the development of obesity, and diet is the greatest modifier of the gut microbiome, which highlights the need to better understand how specific diets alter the gut microbiota to impact metabolic disease. Increased dietary fiber intake shifts the gut microbiome and improves energy and glucose homeostasis. Dietary fibers are found in various plant-based flours which vary in fiber composition. However, the comparative efficacy of specific plant-based flours to improve energy homeostasis and the mechanism by which this occurs is not well characterized. METHODS In experiment 1, obese rats were fed a high fat diet (HFD) supplemented with four different plant-based flours for 12 weeks. Barley flour (BF), oat bran (OB), wheat bran (WB), and Hi-maize amylose (HMA) were incorporated into the HFD at 5% or 10% total fiber content and were compared to a HFD control. For experiment 2, lean, chow-fed rats were switched to HFD supplemented with 10% WB or BF to determine the preventative efficacy of flour supplementation. RESULTS In experiment 1, 10% BF and 10% WB reduced body weight and adiposity gain and increased cecal butyrate. Gut microbiota analysis of WB and BF treated rats revealed increases in relative abundance of SCFA-producing bacteria. 10% WB and BF were also efficacious in preventing HFD-induced obesity; 10% WB and BF decreased body weight and adiposity, improved glucose tolerance, and reduced inflammatory markers and lipogenic enzyme expression in liver and adipose tissue. These effects were accompanied by alterations in the gut microbiota including increased relative abundance of Lactobacillus and LachnospiraceaeUCG001, along with increased portal taurodeoxycholic acid (TDCA) in 10% WB and BF rats compared to HFD rats. CONCLUSIONS Therapeutic and preventative supplementation with 10%, but not 5%, WB or BF improves metabolic homeostasis, which is possibly due to gut microbiome-induced alterations. Specifically, these effects are proposed to be due to increased concentrations of intestinal butyrate and circulating TDCA.
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Affiliation(s)
- Taylor M Martinez
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, AZ, USA
| | - Hallie R Wachsmuth
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, AZ, USA
| | - Rachel K Meyer
- School of Nutritional Science and Wellness, University of Arizona, Tucson, AZ, USA
| | - Savanna N Weninger
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, AZ, USA
| | - Adelina I Lane
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, AZ, USA
| | - Archana Kangath
- School of Animal and Comparative Biomedical Sciences, University of Arizona, ACBS Building, 1117 E Lowell St., Tucson, AZ, 85711, USA
| | - Gabriele Schiro
- The PANDA Core for Genomics and Microbiome Research, Department of Pediatrics, University of Arizona, Tucson, AZ, USA
| | - Daniel Laubitz
- The PANDA Core for Genomics and Microbiome Research, Department of Pediatrics, University of Arizona, Tucson, AZ, USA
| | - Jennifer H Stern
- Division of Endocrinology, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Frank A Duca
- School of Animal and Comparative Biomedical Sciences, University of Arizona, ACBS Building, 1117 E Lowell St., Tucson, AZ, 85711, USA.
- BIO 5 Institute, University of Arizona, Tucson, AZ, USA.
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Karimi R, Homayoonfal M, Malekjani N, Kharazmi MS, Jafari SM. Interaction between β-glucans and gut microbiota: a comprehensive review. Crit Rev Food Sci Nutr 2023; 64:7804-7835. [PMID: 36975759 DOI: 10.1080/10408398.2023.2192281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Gut microbiota (GMB) in humans plays a crucial role in health and diseases. Diet can regulate the composition and function of GMB which are associated with different human diseases. Dietary fibers can induce different health benefits through stimulation of beneficial GMB. β-glucans (BGs) as dietary fibers have gained much interest due to their various functional properties. They can have therapeutic roles on gut health based on modulation of GMB, intestinal fermentation, production of different metabolites, and so on. There is an increasing interest in food industries in commercial application of BG as a bioactive substance into food formulations. The aim of this review is considering the metabolizing of BGs by GMB, effects of BGs on the variation of GMB population, influence of BGs on the gut infections, prebiotic effects of BGs in the gut, in vivo and in vitro fermentation of BGs and effects of processing on BG fermentability.
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Affiliation(s)
- Reza Karimi
- Department of Food Science and Technology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Mina Homayoonfal
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Narjes Malekjani
- Department of Food Science and Technology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | | | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
- Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, Nutrition and Bromatology Group, Ourense, Spain
- College of Food Science and Technology, Hebei Agricultural University, Baoding, China
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7
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Mio K, Togo-Ohno M, Tadenuma N, Ogawa R, Yamanaka C, Aoe S. A single administration of barley β-glucan and arabinoxylan extracts reduces blood glucose levels at the second meal via intestinal fermentation. Biosci Biotechnol Biochem 2022; 87:99-107. [PMID: 36307381 DOI: 10.1093/bbb/zbac171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 10/17/2022] [Indexed: 12/24/2022]
Abstract
Diet with barley may suppress the glycemic response after consuming the next meal ("second meal effect"). This study aimed to investigate the second meal effect and its mechanism. Mice were given a single dose of β-glucan or arabinoxylan, the primary sources of soluble fiber in barley. A single dose of β-glucan or arabinoxylan extract, followed 6 h later by a 20% glucose solution (second meal), suppressed blood glucose elevation. Arabinoxylan and β-glucan increased the levels of short-chain fatty acids (SCFAs) in the ileum and cecum, respectively. Total GLP-1 secretion in the blood increased with β-glucan and showed an increasing trend with arabinoxylan. These results suggest barley β-glucan and arabinoxylan are fermented in the intestinal tract to generate SCFAs, which may induce GLP-1 secretion and control blood glucose levels during the second meal.
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Affiliation(s)
- Kento Mio
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan.,Research and Development Department, Hakubaku co., Ltd., Yamanashi, Japan
| | - Marina Togo-Ohno
- Research and Development Department, Hakubaku co., Ltd., Yamanashi, Japan
| | - Natsuki Tadenuma
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan
| | - Reina Ogawa
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan
| | - Chiemi Yamanaka
- The Institute of Human Culture Studies, Otsuma Women's University, Tokyo, Japan
| | - Seiichiro Aoe
- Graduate School of Studies in Human Culture, Otsuma Women's University, Tokyo, Japan.,The Institute of Human Culture Studies, Otsuma Women's University, Tokyo, Japan
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8
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Mio K, Ogawa R, Tadenuma N, Aoe S. Arabinoxylan as well as β-glucan in barley promotes GLP-1 secretion by increasing short-chain fatty acids production. Biochem Biophys Rep 2022; 32:101343. [PMID: 36123993 PMCID: PMC9482107 DOI: 10.1016/j.bbrep.2022.101343] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/16/2022] [Accepted: 09/05/2022] [Indexed: 11/21/2022] Open
Abstract
Barley is rich in soluble dietary fiber including β-glucan and arabinoxylan. Barley β-glucan is fermented by gut bacteria and, thereby contributes to an effect on intestinal bacterial composition and short-chain fatty acids (SCFAs). It also increases GLP-1 secretion via SCFAs receptor. However, few studies have focused on barley arabinoxylan. Therefore, we have investigated the effects of arabinoxylan from barley on intestinal fermentability and GLP-1 secretion. C57BL/6J mice were fed a high-fat diet containing arabinoxylan-dominant barley flour without β-glucan (bgl) and high β-glucan-containing barley flour (BF) for 12 weeks. We conducted oral glucose tolerance test (OGTT) to measure insulin and GLP-1 concentrations. The concentration of SCFAs in the cecum contents was also determined. Furthermore, we measured mRNA expression assay GLP-1 secretion using real-time PCR. The OGTT result showed that GLP-1 concentrations at 60 min were increased in mice fed bgl and BF. Acetic acid and total SCFAs concentrations in the cecum contents were increased in both the barley groups, and butyric acid was increased in the bgl group. Furthermore, the bgl and BF groups had increased Gpr43, a receptor for SCFAs, and NeuroD which is involved in L cell differentiation. These results show arabinoxylan as well as β-glucan is involved in the SCFAs-mediated increase in GLP-1 secretion upon barley consumption.
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9
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Chen Q, Li X, Cui J, Xu C, Wei H, Zhao Q, Yao H, You H, Zhang D, Yu H. Effects of Stocking Density on Fatty Acid Metabolism by Skeletal Muscle in Mice. Animals (Basel) 2022; 12:ani12192538. [PMID: 36230279 PMCID: PMC9559694 DOI: 10.3390/ani12192538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/22/2022] [Accepted: 09/18/2022] [Indexed: 11/16/2022] Open
Abstract
Specific pathogen-free (SPF) grade laboratory animals are kept in specific cages for life. The limited space could affect the characterization of colonization and dynamic changes related to gut microorganisms, and affect adipokines, even further affecting the fat synthesis and muscle quality of animals. The objective of this study was to analyze the stocking density on the dynamic distribution of gut microbiota, fat synthesis and muscle quality of SPF grade Kunming mice. Three housing densities were accomplished by raising different mice per cage with the same floor size. Kunming mice were reared at low stocking density (LSD, three mice a group), medium stocking density (MSD, 5 mice a group), and high stocking density (HSD, 10 mice a group) for 12 weeks. The results demonstrated that the stocking density affected intestinal microbial flora composition. We found that compared with the MSD group, the abundance of Lactobacillus in the LSD group and the HSD group decreased, but the abundance of unclassified_Porphyromonadaceae increased. Moreover, fat synthesis and muscle quality were linked to the intestinal microbial flora and stocking density. Compared with the LSD group and the HSD group, the MSD group had a more balanced gut flora, higher fat synthesis and higher muscle quality. Overall, this study demonstrated that stocking density could affect gut microbiota composition, and reasonable stocking density could improve fat synthesis and muscle quality. Our study will provide theoretical support for the suitable stocking density of laboratory animals.
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Affiliation(s)
- Qiuyan Chen
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Xiaohui Li
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Jiarun Cui
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Caiyun Xu
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Hongfei Wei
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Qian Zhao
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Hongli Yao
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Hailong You
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Dawei Zhang
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
- Correspondence: (D.Z.); (H.Y.); Tel.: +86-0-431-8561-9495 (H.Y.)
| | - Huimei Yu
- Center of Animal Experiment, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
- Correspondence: (D.Z.); (H.Y.); Tel.: +86-0-431-8561-9495 (H.Y.)
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10
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The effects of brewers' spent grain on high-fat diet-induced fatty liver. Biochem Biophys Res Commun 2022; 616:49-55. [PMID: 35636255 DOI: 10.1016/j.bbrc.2022.05.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/09/2022] [Accepted: 05/15/2022] [Indexed: 11/20/2022]
Abstract
Obesity drives nonalcoholic fatty liver disease (NAFLD). This study investigated the effects of dietary brewers' spent grain (BSG) supplementation on obesity-induced NAFLD. Mice fed a high-fat diet supplemented with 30% BSG (HFD30) had reduced body weight and decreased plasma total cholesterol (TC) concentrations compared with HFD-fed mice. Retroperitoneal white adipose tissue (RWAT) and liver weights were reduced. Consistent with reduced hepatic triacylglycerol, TC, and non-esterified fatty acid concentrations, HFD30-fed mice showed reduced hepatic steatosis. 3-hydroxy-3-methylglutaryl-CoA reductase and low-density lipoprotein receptor genes were increased, whereas carnitine palmitoyltransferase 1 alpha, ATP-binding cassette subfamily A member 1 (Abca1), and cholesterol 7 alpha-hydroxylase genes were upregulated in the liver of HFD30-fed mice. Abca1 gene expression was also increased in epididymal WAT and RWAT of HFD30-fed mice. BSG supplementation increased and decreased fecal fat and bile acid concentrations, respectively. Taken together, BSG supplementation reduced HFD-induced hepatic lipid accumulation by increasing fatty acid oxidation and bile acid synthesis in the liver as well as decreasing lipid absorption in the intestine.
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11
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Peng W, Li K, Yan AF, Shi Z, Zhang J, Cheskin LJ, Hussain A, Wang Y. Prevalence, Management, and Associated Factors of Obesity, Hypertension, and Diabetes in Tibetan Population Compared with China Overall. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19148787. [PMID: 35886633 PMCID: PMC9316255 DOI: 10.3390/ijerph19148787] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/14/2022] [Accepted: 07/16/2022] [Indexed: 02/04/2023]
Abstract
Tibetans’ life expectancy lags behind China’s average. Obesity and noncommunicable diseases (NCDs) contribute to health disparity, but NCD patterns among Tibetans are unknown. To examine the prevalence, management, and associated factors for obesity, hypertension, and diabetes among Tibetans, compared with China’s average, we systematically searched PubMed and China National Knowledge Infrastructure databases for studies between January 2010 and April 2021. Thirty-nine studies were included for systematic review, among thirty-seven that qualified for meta-analysis, with 115,403 participants. Pooled prevalence was 47.9% (95% CI 38.0–57.8) for overweight/obesity among adults (BMI ≥ 24 kg/m2) and 15.4% (13.7–17.2) among children using Chinese criteria, which are lower than the national rates of 51.2% and 19.0%, respectively. The estimate for hypertension (31.4% [27.1–35.7]) exceeded China’s average (27.5%), while diabetes (7.5% [5.2–9.8]) was lower than average (11.9%). Men had a higher prevalence of the three conditions than women. Residents in urban areas, rural areas, and Buddhist institutes had monotonically decreased prevalence in hypertension and diabetes. Awareness, treatment, and control rates for hypertension and diabetes were lower than China’s average. Urban residence and high altitude were consistent risk factors for hypertension. Limited studies investigated factors for diabetes, yet none exist for obesity. Tibetans have high burdens of obesity and hypertension. Representative and longitudinal studies are needed for tailored interventions. There are considerable variations in study design, study sample selection, and data-analysis methods, as well as estimates of reviewed studies.
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Affiliation(s)
- Wen Peng
- Nutrition and Health Promotion Center, Department of Public Health, Medical College, Qinghai University, Xining 810016, China;
- Global Health Institute, School of Public Health, Xi’an Jiaotong University, Xi’an 710049, China;
| | - Ke Li
- Global Health Institute, School of Public Health, Xi’an Jiaotong University, Xi’an 710049, China;
| | - Alice F. Yan
- Division of Research Patient Care Services, Stanford Health Care, Palo Alto, CA 94305, USA;
| | - Zumin Shi
- Human Nutrition Department, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar;
| | - Junyi Zhang
- Department of Clinical Nutrition, The Third People’s Hospital of Chengdu, Chengdu 610014, China;
| | - Lawrence J. Cheskin
- Department of Nutrition and Food Studies, College of Health and Human Services, George Mason University, Fairfax, VA 22030, USA;
- Johns Hopkins School of Medicine, Baltimore, MD 21218, USA
| | - Ahktar Hussain
- International Diabetes Federation (IDF), 1000 Brussels, Belgium;
- Faculty of Health Sciences, Belgian and Nord University, 8001 Bodø, Norway
| | - Youfa Wang
- Global Health Institute, School of Public Health, Xi’an Jiaotong University, Xi’an 710049, China;
- Correspondence: ; Tel.: +86-29-8896-7396
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12
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Chen H, Zheng H, Li T, Jiang Q, Liu S, Zhou X, Ding Y, Xiang X. Protective Effect of Oyster Peptides Derived From Crassostrea gigas on Intestinal Oxidative Damage Induced by Cyclophosphamide in Mice Mediated Through Nrf2-Keap1 Signaling Pathway. Front Nutr 2022; 9:888960. [PMID: 35651503 PMCID: PMC9149377 DOI: 10.3389/fnut.2022.888960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 04/08/2022] [Indexed: 11/13/2022] Open
Abstract
Oyster peptide (OP) has exhibited useful biological activities and can be used in multi-functional foods. OP has been reported to play a significant role in intestinal protection, but its specific mechanism is still not completely understood. The aim of this study was to analyze the potential effect of OP on oxidative damage of mice intestine induced by cyclophosphamide (Cy). The experimental results revealed that intragastric administration of OP significantly increased average bodyweight, improved ileum tissue morphology and villus structure, as well as increased the activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) in oxidized mice serum and liver. The content of malondialdehyde (MDA) in the mice serum and liver homogenate was found to be markedly decreased. Moreover, OP significantly increased the relative mRNA expression levels of superoxide dismutase (SOD), glutathione peroxidase (GSH-PX), quinone oxidoreductase (NQO1) and heme oxidase-1 (HO-1) in ileum. Western-blot results indicated that prior administration of OP significantly up-regulated the Nrf2 production in ileum, and substantially decreased then Keap1 gene expression. In conclusion, intake of OP was found to markedly improve intestinal oxidative stress in vivo, and this effect was primarily mediated through the simulation of antioxidant Nrf2-Keap1 signaling pathway. This study is beneficial to the application of peptide nutrients in the prevention or mitigation of intestinal oxidative damage.
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Affiliation(s)
- Hui Chen
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China.,National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Huizhen Zheng
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
| | - Tiejun Li
- Zhejiang Marine Fisheries Research Institute, Zhoushan, China
| | - Qihong Jiang
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
| | - Shulai Liu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
| | - Xuxia Zhou
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
| | - Yuting Ding
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
| | - Xingwei Xiang
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China.,Key Laboratory of Marine Fishery Resources Exploitment and Utilization of Zhejiang Province, Zhejiang University of Technology, Hangzhou, China
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13
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Allai FM, Dar BN, Gul K, Adnan M, Ashraf SA, Hassan MI, Pasupuleti VR, Azad ZRAA. Development of Protein Rich Pregelatinized Whole Grain Cereal Bar Enriched With Nontraditional Ingredient: Nutritional, Phytochemical, Textural, and Sensory Characterization. Front Nutr 2022; 9:870819. [PMID: 35464008 PMCID: PMC9024333 DOI: 10.3389/fnut.2022.870819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 03/01/2022] [Indexed: 11/24/2022] Open
Abstract
This study was aimed to use extrusion cooking as a pretreatment for non-conventional seeds (Indian horse chestnut flour) to blend them with whole grain flours (whole wheat flour, whole barley flour, and whole corn flour) for the development of a pregelatinized cereal bar (PCB). In this study, date paste (7.5-17.5%) and walnut grits (2.5-12.5%) were incorporated at varying levels to prepare PCB. The PCB was evaluated for its nutritional, color, textural (both three-point bending test and TPA), antioxidant activity, and sensory attributes. The flexural modulus, rupture stress, and fracture strain of PCB increased with the incorporation of a higher proportion of date paste. The protein and fiber content in PCB increased from 7.74 to 9.13% and 4.81 to 5.59% with the incorporation of walnut grits and date paste, respectively. The DPPH, total phenolic content, and water activity of PCB were determined, which progressively enhanced with increased levels of walnut grits and date paste. The correlation between sensory attributes and instrumental texture on PCB was also investigated. The correlation results showed a significant (p < 0.05) positive correlation between texture analysis and sensory hardness, springiness, adhesiveness, and negatively correlated to instrumental and sensory cohesiveness. For sensorial attributes, all PCB samples presented average scores of 7/10 and 4/5 for buying intention. Therefore, whole grain extrudates, date paste, and walnut grits can be efficiently used to develop PCB with improved nutritional, nutraceutical, and economic values.
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Affiliation(s)
- Farhana Mehraj Allai
- Department of Post-harvest Engineering and Technology, Faculty of Agricultural Science, Aligarh Muslim University, Aligarh, India
- Department of Food Technology, Islamic University of Science and Technology, Awantipora, India
| | - B. N. Dar
- Department of Food Technology, Islamic University of Science and Technology, Awantipora, India
| | - Khalid Gul
- Department of Food Process Engineering, National Institute of Technology, Rourkela, India
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Syed Amir Ashraf
- Department of Clinical Nutrition, College of Applied Medical Science, University of Hail, Hail, Saudi Arabia
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Visweswara Rao Pasupuleti
- Department of Biomedical Sciences and Therapeutics, Faculty of Medicine and Health Sciences, University Malaysia Sabah, Kota Kinabalu, Malaysia
- Department of Biochemistry, Faculty of Medicine and Health Sciences, Abdurrab University, Pekanbaru, Indonesia
- Centre for International Collaboration and Research, Reva University, Rukmini Knowledge Park, Bangalore, India
| | - Z. R. A. A. Azad
- Department of Post-harvest Engineering and Technology, Faculty of Agricultural Science, Aligarh Muslim University, Aligarh, India
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14
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Mio K, Iida-Tanaka N, Yamanaka C, Kimura I, Aoe S. Consumption of barley flour increases gut fermentation and improves glucose intolerance via the short-chain fatty acid receptor GPR43 in obese male mice. Food Funct 2022; 13:10970-10980. [DOI: 10.1039/d2fo02622h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ameliorative effect of barley intake on glucose intolerance is attenuated when Gpr43 is deficient.
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Affiliation(s)
- Kento Mio
- Graduate School of Studies in Human Culture, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
| | - Naoko Iida-Tanaka
- Graduate School of Studies in Human Culture, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
- Department of Food Science, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
| | - Chiemi Yamanaka
- The Institute of Human Culture Studies, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
| | - Ikuo Kimura
- Department of Applied Biological Science, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, 183-8509, Japan
- Laboratory of Molecular Neurobiology, Graduate School of Biostudies, Kyoto University, Kyoto-shi, Kyoto, 606-8501, Japan
| | - Seiichiro Aoe
- Graduate School of Studies in Human Culture, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
- Department of Food Science, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357, Japan
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15
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Beta-Glucan in Foods and Health Benefits. Nutrients 2021; 14:nu14010096. [PMID: 35010971 PMCID: PMC8746796 DOI: 10.3390/nu14010096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 12/16/2021] [Indexed: 11/16/2022] Open
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16
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Zhang Y, Li Y, Xia Q, Liu L, Wu Z, Pan D. Recent advances of cereal β-glucan on immunity with gut microbiota regulation functions and its intelligent gelling application. Crit Rev Food Sci Nutr 2021:1-17. [PMID: 34748438 DOI: 10.1080/10408398.2021.1995842] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
β-glucan from cereals such as wheat, barley, oats and rye are a water-soluble dietary fiber, which are composed of repeating (1→4)-β-bond β-D-glucopyranosyl units and a single (1→3)-β-D-bond separated unit. β-glucan has a series of physicochemical properties (such as viscosity, gelling properties, solubility, etc.), which can be used as a food gel and fat substitute. Its structure endows the healthy functions, including anti-oxidative stress, lowering blood glucose and serum cholesterol, regulating metabolic syndrome and exerting gut immunity via gut microbiota. Due to their unique structural properties and efficacy, cereal β-glucan are not only applied in food substrates in the food industry, but also in food coatings and packaging. This article reviewed the applications of cereal β-glucan in hydrogels, aerogels, intelligent packaging systems and targeted delivery carriers in recent years. Cereal β-glucan in edible film and gel packaging applications are becoming more diversified and intelligent in recent years. Those advances provide a potential solution based on cereal β-glucan as biodegradable substances for immune regulation delivery system and intelligent gelling material in the biomedicine field.
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Affiliation(s)
- Yunzhen Zhang
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
| | - Yueqin Li
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
| | - Qiang Xia
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
| | - Lianliang Liu
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
| | - Zufang Wu
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
| | - Daodong Pan
- College of Food and Pharmaceutical Sciences, Deep Processing Technology Key Laboratory of Zhejiang Province Animal Protein Food, Ningbo University, Ningbo, Zhejiang Province, PR China
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17
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Mathews R, Shete V, Chu Y. The effect of cereal Β-glucan on body weight and adiposity: A review of efficacy and mechanism of action. Crit Rev Food Sci Nutr 2021:1-13. [PMID: 34727805 DOI: 10.1080/10408398.2021.1994523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The current review examines the totality of the evidence to determine if there exists a relationship between β-glucan and body weight and adiposity and whether such a relationship is a consistent, causal and plausible one. Observational studies suggest an association between oat (i.e., β-glucan) intake and reduced body weight, waist circumference and adiposity. High and moderate quality randomized controlled trials that were specifically designed to evaluate the efficacy of β-glucan on anthropometric outcomes were given the highest weight. Several of these studies indicated a causal relationship between β-glucan consumption and reduction in body weight, BMI, and at least one measure of body fat within diets that were not calorie-restricted. A review of additional animal and human evidence suggests multiple plausible mechanisms by which β-glucan may impact satiety perception, gastric emptying, gut hormones, gut microbiota and short chain fatty acids in the complex interplay of appetite and energy regulation.
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Affiliation(s)
| | - Varsha Shete
- Health & Nutrition Sciences, Global R&D, PepsiCo, Inc. Barrington, Illinois, USA
| | - YiFang Chu
- Health & Nutrition Sciences, Global R&D, PepsiCo, Inc. Barrington, Illinois, USA
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18
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Mio K, Yamanaka C, Kohyama N, Ichinose Y, Yanagisawa T, Aoe S. Effect of roasted barley flour on lipid metabolism and gut fermentation in mice fed high-fat diets. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Microarray Analysis of Paramylon, Isolated from Euglena Gracilis EOD-1, and Its Effects on Lipid Metabolism in the Ileum and Liver in Diet-Induced Obese Mice. Nutrients 2021; 13:nu13103406. [PMID: 34684408 PMCID: PMC8538961 DOI: 10.3390/nu13103406] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/25/2021] [Accepted: 09/25/2021] [Indexed: 12/11/2022] Open
Abstract
We previously showed that supplementation of a high fat diet with paramylon (PM) reduces the postprandial glucose rise, serum total and LDL cholesterol levels, and abdominal fat accumulation in mice. The purpose of this study was to explore the underlying mechanism of PM using microarray analysis. Male mice (C57BL/BL strain) were fed an experimental diet (50% fat energy) containing 5% PM isolated from Euglena gracilis EOD-1 for 12 weeks. After confirming that PM had an improving effect on lipid metabolism, we assessed ileal and hepatic mRNA expression using DNA microarray and subsequent analysis by gene ontology (GO) classification and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. The results suggested that dietary supplementation with PM resulted in decreased abdominal fat accumulation and serum LDL cholesterol concentrations via suppression of the digestion and absorption pathway in the ileum and activation of the hepatic PPAR signaling pathway. Postprandial glucose rise was reduced in mice fed PM, whereas changes in the glucose metabolism pathway were not detected in GO classification and KEGG pathway analysis. PM intake might enhance serum secretory immunoglobulin A concentrations via promotion of the immunoglobulin production pathway in the ileum.
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20
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Liu H, Chen T, Xie X, Wang X, Luo Y, Xu N, Sa Z, Zhang M, Chen Z, Hu X, Li J. Hepatic Lipidomics Analysis Reveals the Ameliorative Effects of Highland Barley β-Glucan on Western Diet-Induced Nonalcoholic Fatty Liver Disease Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9287-9298. [PMID: 34347479 DOI: 10.1021/acs.jafc.1c03379] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is characterized by marked imbalances in lipid storage and metabolism. Because the beneficial health effects of cereal β-glucan (BG) include lowering cholesterol and regulating lipid metabolism, BG may alleviate the imbalances in lipid metabolism observed during NAFLD. The aim of our study was to investigate whether BG from highland barley has an effect on western diet-induced NAFLD in mice. Using lipidomics, we investigated the underlying mechanisms of BG intervention, and identified potential lipid biomarkers. The results reveal that BG (300 mg/kg body weight) significantly alleviated liver steatosis. Lipidomics analysis demonstrated that BG also altered lipid metabolic patterns. We were able to identify 13 differentially regulated lipid species that may be useful as lipid biomarkers. Several genes in the hepatic lipid and cholesterol metabolism pathways were also modulated. These findings provide evidence that BG ameliorates NAFLD by altering liver lipid metabolites and regulating lipid metabolism-related genes.
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Affiliation(s)
- Huicui Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Tao Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Xiaoqing Xie
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Xinlei Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Yiwen Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Nan Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Zhen Sa
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Min Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Zhifei Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
| | - Xinzhong Hu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi Province 710062, People's Republic of China
| | - Juxiu Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi Province 712100, People's Republic of China
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21
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Mio K, Otake N, Nakashima S, Matsuoka T, Aoe S. Ingestion of High β-Glucan Barley Flour Enhances the Intestinal Immune System of Diet-Induced Obese Mice by Prebiotic Effects. Nutrients 2021; 13:907. [PMID: 33799564 PMCID: PMC7999470 DOI: 10.3390/nu13030907] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/04/2021] [Accepted: 03/09/2021] [Indexed: 01/13/2023] Open
Abstract
The prebiotic effect of high β-glucan barley (HGB) flour on the innate immune system of high-fat model mice was investigated. C57BL/6J male mice were fed a high-fat diet supplemented with HGB flour for 90 days. Secretory immunoglobulin A (sIgA) in the cecum and serum were analyzed by enzyme-linked immunosorbent assays (ELISA). Real-time PCR was used to determine mRNA expression levels of pro- and anti-inflammatory cytokines such as interleukin (IL)-10 and IL-6 in the ileum as well as the composition of the microbiota in the cecum. Concentrations of short-chain fatty acids (SCFAs) and organic acids were analyzed by GC/MS. Concentrations of sIgA in the cecum and serum were increased in the HGB group compared to the control. Gene expression levels of IL-10 and polymeric immunoglobulin receptor (pIgR) significantly increased in the HGB group. HGB intake increased the bacterial count of microbiota, such as Bifidobacterium and Lactobacillus. Concentrations of propionate and lactate in the cecum were increased in the HGB group, and a positive correlation was found between these organic acids and the IL-10 expression level. Our findings showed that HGB flour enhanced immune function such as IgA secretion and IL-10 expression, even when the immune system was deteriorated by a high-fat diet. Moreover, we found that HGB flour modulated the gut microbiota, which increased the concentration of SCFAs, thereby stimulating the immune system.
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Affiliation(s)
- Kento Mio
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Nami Otake
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
| | - Satoko Nakashima
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Tsubasa Matsuoka
- Research and Development Department, Hakubaku Co. Ltd., Chuo-City, Yamanashi 409-3843, Japan; (S.N.); (T.M.)
| | - Seiichiro Aoe
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan; (K.M.); (N.O.)
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22
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Suzuki S, Aoe S. High β-Glucan Barley Supplementation Improves Glucose Tolerance by Increasing GLP-1 Secretion in Diet-Induced Obesity Mice. Nutrients 2021; 13:nu13020527. [PMID: 33561965 PMCID: PMC7915888 DOI: 10.3390/nu13020527] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/30/2021] [Accepted: 02/04/2021] [Indexed: 01/17/2023] Open
Abstract
The aim of this study was to investigate the underlying mechanism for the improvement of glucose tolerance following intake of high β-glucan barley (HGB) in terms of intestinal metabolism. C57BL/6J male mice were fed a fatty diet supplemented with HGB corresponding to 5% of dietary fiber for 83 days. An oral glucose tolerance test was performed at the end of the experimental period. The concentration of short-chain fatty acids (SCFAs) in the cecum was analyzed by GC–MS (gas chromatography–mass spectrometry). The mRNA expression levels related to L cell function in the ileum were measured by real-time PCR. Glucagon-like peptide-1 (GLP-1) levels in the portal vein and cecal content were assessed by enzyme-linked immunosorbent assay. GLP-1-producing L cells of the ileum were quantified by immunohistochemistry. HGB intake improved glucose tolerance and increased the cecal levels of SCFAs, acetate, and propionate. The number of GLP-1-positive L cells in the HGB group was significantly higher than in the control group. GLP-1 levels in the portal vein and cecal GLP-1 pool size in the HGB group were significantly higher than the control group. In conclusion, we report improved glucose tolerance after HGB intake induced by an increase in L cell number and subsequent rise in GLP-1 secretion.
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Affiliation(s)
- Sachina Suzuki
- The Institute of Human Culture Studies, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan;
| | - Seiichiro Aoe
- The Institute of Human Culture Studies, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan;
- Studies in Human Life Sciences, Graduate School of Studies in Human Culture, Otsuma Women’s University, Chiyoda-ku, Tokyo 102-8357, Japan
- Correspondence: ; Tel.: +81-3-5275-6048
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