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Wu Y, Li P, Jiang Z, Sun X, He H, Yan P, Xu Y, Liu Y. Bioinspired yeast-based β-glucan system for oral drug delivery. Carbohydr Polym 2023; 319:121163. [PMID: 37567689 DOI: 10.1016/j.carbpol.2023.121163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/06/2023] [Accepted: 06/27/2023] [Indexed: 08/13/2023]
Abstract
Oral drug delivery is the preferred route of drug administration for patients, especially those who need long-term medication. Recently, bioinspired drug delivery systems have emerged for the oral delivery of various therapeutics. Among them, the yeast-based β-glucan system is a novel and promising platform, for oral administration that can overcome the biological barriers of the harsh gastrointestinal environment. Remarkably, the yeast-based β-glucan system not only protects the drug through the harsh gastrointestinal environment but also achieves targeted therapeutic effects by specifically recognizing immune cells, especially macrophages. Otherwise, it exhibits immunomodulatory properties. Based on the pleasant characteristics of the yeast-based β-glucan system, they are widely used in various macrophage-related diseases for oral administration. In this review, we introduced the structure and function of yeast-based β-glucan. Subsequently, we further summarized the current preparation methods of yeast-based β-glucan carriers and the strategies for preparing yeast-based β-glucan drug delivery systems. In addition, we focus on discussing the applications of β-glucan drug delivery systems in various diseases. Finally, the current challenges and future perspectives of the β-glucan drug delivery system are introduced.
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Affiliation(s)
- Ya Wu
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Pengyun Li
- Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Zongzhe Jiang
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China
| | - Xiaolei Sun
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China
| | - Huqiang He
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China
| | - Pijun Yan
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China
| | - Yong Xu
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan, China.
| | - Yong Liu
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Metabolic Vascular Disease Key Laboratory of Sichuan Province, The Affiliated Hospital of Southwest Medical University, 646000 Luzhou, China; Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China.
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Alagawany M, Bilal RM, Elnesr SS, Elwan HAM, Farag MR, Dhama K, Naiel MAE. Yeast in layer diets: its effect on production, health, egg composition and economics. WORLD POULTRY SCI J 2023. [DOI: 10.1080/00439339.2023.2164235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Mahmoud Alagawany
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Rana Muhammad Bilal
- College of Veterinary and Animal Sciences, The Islamia University of Bahawalpur Pakistan, Bahawalpur, Pakistan
| | - Shaaban S. Elnesr
- Department of Poultry Production, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | - Hamada A. M. Elwan
- Animal and Poultry Production Department, Faculty of Agriculture, Minia University, Miniya, Egypt
| | - Mayada R. Farag
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Mohammed A. E. Naiel
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Krogdahl Å, Chikwati EM, Krasnov A, Dhanasiri A, Berge GM, Aru V, Khakimov B, Engelsen SB, Vinje H, Kortner TM. Dietary Fish Meal Level and a Package of Choline, β-Glucan, and Nucleotides Modulate Gut Function, Microbiota, and Health in Atlantic Salmon ( Salmo salar, L.). Aquac Nutr 2023; 2023:5422035. [PMID: 36860972 PMCID: PMC9973201 DOI: 10.1155/2023/5422035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/27/2022] [Accepted: 12/10/2022] [Indexed: 06/01/2023]
Abstract
Steatosis and inflammation have been common gut symptoms in Atlantic salmon fed plant rich diets. Choline has recently been identified as essential for salmon in seawater, and β-glucan and nucleotides are frequently used to prevent inflammation. The study is aimed at documenting whether increased fishmeal (FM) levels (8 levels from 0 to 40%) and supplementation (Suppl) with a mixture of choline (3.0 g/kg), β-glucan (0.5 g/kg), and nucleotides (0.5 g/kg) might reduce the symptoms. Salmon (186 g) were fed for 62 days in 16 saltwater tanks before samples were taken from 12 fish per tank for observation of biochemical, molecular, metabolome, and microbiome indicators of function and health. Steatosis but no inflammation was observed. Lipid digestibility increased and steatosis decreased with increasing FM levels and supplementation, seemingly related to choline level. Blood metabolites confirmed this picture. Genes in intestinal tissue affected by FM levels are mainly involved in metabolic and structural functions. Only a few are immune genes. The supplement reduced these FM effects. In gut digesta, increasing FM levels increased microbial richness and diversity, and changed the composition, but only for unsupplemented diets. An average choline requirement of 3.5 g/kg was indicated for Atlantic salmon at the present life stage and under the present condition.
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Affiliation(s)
- Åshild Krogdahl
- Norwegian University of Life Sciences, Department of Paraclinical Sciences, Ås, Norway
| | | | - Aleksei Krasnov
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Anusha Dhanasiri
- Norwegian University of Life Sciences, Department of Paraclinical Sciences, Ås, Norway
| | | | - Violetta Aru
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Bekzod Khakimov
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | | | - Hilde Vinje
- Norwegian University of Life Sciences, Department of Paraclinical Sciences, Ås, Norway
| | - Trond M. Kortner
- Norwegian University of Life Sciences, Department of Paraclinical Sciences, Ås, Norway
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Abstract
PURPOSE OF REVIEW Epidemiologic studies and clinical trials have demonstrated the benefits of dietary fiber. This occurs through a combination of the physiochemical properties of fiber and through microbial fermentation that occurs in the colon which result in the production of short-chain fatty acids (SCFA). The purpose of this review is to highlight the physiochemical properties of fiber that result in the range of physiologic effects and to review the literature on the health benefits of acetate, propionate, and butyrate. RECENT FINDINGS Of the variety of properties and functions exerted by dietary fibers, the fermentability and production of SCFA's are emphasized in this review. Studies done in both animal and humans reveal the anti-obesity, anti-inflammatory, and possible anti-neoplastic roles SCFAs exert at the mucosal level. Many clinical questions remain regarding the optimal dose, type, and method of delivery of fiber to exert the desired beneficial effects. It has the potential to be used in the management of clinical symptoms, prevention of disease, and improvement in human health. Further studies to address this novel use of fiber has the potential to make a large impact in clinical practice.
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Mitchelson KAJ, Tran TTT, Dillon ET, Vlckova K, Harrison SM, Ntemiri A, Cunningham K, Gibson I, Finucane FM, O'Connor EM, Roche HM, O'Toole PW. Yeast β-Glucan Improves Insulin Sensitivity and Hepatic Lipid Metabolism in Mice Humanized with Obese Type 2 Diabetic Gut Microbiota. Mol Nutr Food Res 2022; 66:e2100819. [PMID: 36038526 PMCID: PMC9787509 DOI: 10.1002/mnfr.202100819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Indexed: 12/30/2022]
Abstract
SCOPE Gut microbiota alterations are associated with obesity and type 2 diabetes. Yeast β-glucans are potential modulators of the innate immune-metabolic response, by impacting glucose, lipid, and cholesterol homeostasis. The study examines whether yeast β-glucan interacts differentially with either an obese healthy or obese diabetic gut microbiome, to impact metabolic health through hepatic effects under high-fat dietary challenge. METHODS AND RESULTS Male C57BL/6J mice are pre-inoculated with gut microbiota from obese healthy (OBH) or obese type 2 diabetic (OBD) subjects, in conjunction with a high-fat diet (HFD) with/without yeast β-glucan. OBD microbiome colonization adversely impacts metabolic health compared to OBH microbiome engraftment. OBD mice are more insulin resistant and display hepatic lipotoxicity compared to weight matched OBH mice. Yeast β-glucan supplementation resolves this adverse metabolic phenotype, coincident with increasing the abundance of health-related bacterial taxa. Hepatic proteomics demonstrates that OBD microbiome transplantation increases HFD-induced hepatic mitochondrial dysfunction, disrupts oxidative phosphorylation, and reduces protein synthesis, which are partly reverted by yeast β-glucan supplementation. CONCLUSIONS Hepatic metabolism is adversely affected by OBD microbiome colonization with high-fat feeding, but partially resolved by yeast β-glucan. More targeted dietary interventions that encompass the interactions between diet, gut microbiota, and host metabolism may have greater treatment efficacy.
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Affiliation(s)
- Kathleen A. J. Mitchelson
- Nutrigenomics Research Group and Institute of Food and HealthUniversity College DublinDublinDublin 4Republic of Ireland
| | - Tam T. T. Tran
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland,School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland,Present address:
Vietnam Academy of Science and TechnologyUniversity of Science and Technology of HanoiHanoiVietnam
| | - Eugene T. Dillon
- Mass Spectrometry ResourceConway Institute of Biomolecular & Biomedical ResearchUniversity College DublinDublinDublin 4Republic of Ireland
| | - Klara Vlckova
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland,School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
| | - Sabine M. Harrison
- UCD School of Agriculture & Food ScienceUniversity College DublinDublinDublin 4Republic of Ireland
| | - Alexandra Ntemiri
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland,School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
| | - Katie Cunningham
- Bariatric Medicine ServiceCentre for Diabetes, Endocrinology and MetabolismGalway University HospitalsGalwayH91 YR71Republic of Ireland,Heart and Stroke CentreCroiThe West of Ireland Cardiac FoundationMoyola Lane, NewcastleGalwayGalwayH91 FF68Republic of Ireland
| | - Irene Gibson
- Heart and Stroke CentreCroiThe West of Ireland Cardiac FoundationMoyola Lane, NewcastleGalwayGalwayH91 FF68Republic of Ireland
| | - Francis M. Finucane
- Bariatric Medicine ServiceCentre for Diabetes, Endocrinology and MetabolismGalway University HospitalsGalwayH91 YR71Republic of Ireland,HRB Clinical Research FacilityNational University of IrelandGalwayH91 TK33Republic of Ireland
| | - Eibhlís M. O'Connor
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland,Department of Biological SciencesSchool of Natural SciencesUniversity of LimerickLimerickV94 T9PXRepublic of Ireland,Health Research InstituteUniversity of LimerickLimerickV94 T9PXRepublic of Ireland
| | - Helen M. Roche
- Nutrigenomics Research Group and Institute of Food and HealthUniversity College DublinDublinDublin 4Republic of Ireland,Diabetes Complications Research CentreUniversity College DublinDublinDublin 4Republic of Ireland,The Institute for Global Food SecuritySchool of Biological SciencesQueen's University BelfastBelfastBT9 5DLUK
| | - Paul W. O'Toole
- APC Microbiome IrelandUniversity College CorkCorkT12 K8AFRepublic of Ireland,School of MicrobiologyUniversity College CorkCorkT12 K8AFRepublic of Ireland
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Upadhyay TK, Trivedi R, Khan F, Al-Keridis LA, Pandey P, Sharangi AB, Alshammari N, Abdullah NM, Yadav DK, Saeed M. In vitro elucidation of antioxidant, antiproliferative, and apoptotic potential of yeast-derived β-1,3-glucan particles against cervical cancer cells. Front Oncol 2022; 12:942075. [PMID: 36059639 PMCID: PMC9436396 DOI: 10.3389/fonc.2022.942075] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 07/12/2022] [Indexed: 11/24/2022] Open
Abstract
Cancer is the leading cause of mortality worldwide and in particular is the fourth most common cause of mortality in women every year. Conventional treatments for cancer are chemotherapy and radiation therapy, which have various kinds of side effects. Hence, there is a high need to develop alternative, efficient, and safer therapies for cancer treatment. β-Glucan, a novel polysaccharide isolated from baker’s yeast Saccharomyces cerevisiae, shows noteworthy cytotoxicity toward a variety of cancer cell lines in vitro. In this research, we characterized the β-glucan with high-performance thin-layer chromatography (HPTLC) analysis and found that d-glucose units with β-1,3 links are the major component of the extracted β-glucan particles. Fourier transform IR (FTIR) analysis confirmed a β-(1→3)-linked glucan structure. In vitro cell cytotoxicity was evaluated by MTT with IC50 136 μg/ml, and therapeutic potential was assessed by various assays using values below and above the IC50. A significant reactive oxygen species (ROS) generation at 50–150 μg/ml of concentrations indicated the apoptosis of cervical cancer cells. Along with ROS generation, these concentrations were also found to induce morphological changes such as fragmentation in DNA upon staining HeLa cells with DAPI. Mitochondrial membrane potential was significantly reduced after increasing the dose of treatment, assessed with the help of MitoTracker dye. Hence, by all these experimental supports, we observed that β-glucan has the potential to slow down the growth of cervical cancer cells, and it can be further investigated for unfolding its complete anticancer potential.
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Affiliation(s)
- Tarun Kumar Upadhyay
- Department of Biotechnology, Parul Institute of Applied Sciences and Centre of Research for Development, Parul University, Vadodara, India
- *Correspondence: Mohd Saeed, ; Dharmendra Kumar Yadav, ; Tarun Kumar Upadhyay, ; Lamya Ahmed Al-Keridis,
| | - Rashmi Trivedi
- Department of Biotechnology, Parul Institute of Applied Sciences and Centre of Research for Development, Parul University, Vadodara, India
| | - Fahad Khan
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, India
| | - Lamya Ahmed Al-Keridis
- Biology Department, Faculty of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
- *Correspondence: Mohd Saeed, ; Dharmendra Kumar Yadav, ; Tarun Kumar Upadhyay, ; Lamya Ahmed Al-Keridis,
| | - Pratibha Pandey
- Department of Biotechnology, Noida Institute of Engineering and Technology, Greater Noida, India
| | - Amit Baran Sharangi
- Department of Plantation, Spices, Medicinal and Aromatic Crops, Bidhan Chandra Krishi Viswavidyalaya (BCKV)-Agricultural University, Mohanpur, India
| | - Nawaf Alshammari
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
| | - Nadiya M. Abdullah
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Dharmendra Kumar Yadav
- Department of Pharmacy and Gachon Institute of Pharmaceutical Science, College of Pharmacy, Gachon University, Yeonsu-gu, Incheon, South Korea
- *Correspondence: Mohd Saeed, ; Dharmendra Kumar Yadav, ; Tarun Kumar Upadhyay, ; Lamya Ahmed Al-Keridis,
| | - Mohd Saeed
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
- *Correspondence: Mohd Saeed, ; Dharmendra Kumar Yadav, ; Tarun Kumar Upadhyay, ; Lamya Ahmed Al-Keridis,
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Bornaei L, Salari S, Erfani majd N. Effect of electron beam irradiated barley grains on growth performance, blood parameters, nutrient digestibility, microbial population, and intestinal histomorphometry in broiler chickens. Journal of Applied Animal Research 2022. [DOI: 10.1080/09712119.2022.2089151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Lotfollah Bornaei
- Department of Animal Science, Animal Science and Food Technology Faculty, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran
| | - Somayyeh Salari
- Department of Animal Science, Animal Science and Food Technology Faculty, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran
| | - Naeem Erfani majd
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University, Ahvaz, Iran
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Choi M, Lee SM, Lee JW, Kim I, Pack CG, Ha CH. Yeast beta-glucan mediates histone deacetylase 5-induced angiogenesis in vascular endothelial cells. Int J Biol Macromol 2022; 211:556-567. [PMID: 35569678 DOI: 10.1016/j.ijbiomac.2022.05.057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/28/2022] [Accepted: 05/08/2022] [Indexed: 12/13/2022]
Abstract
The role of yeast-derived β-glucan in angiogenesis has not been elucidated because there have been few specific studies on its clinical and physiological significance. Therefore, this study investigated the correlation between β-glucan and histone deacetylase 5 (HDAC5) in human umbilical vein endothelial cells (HUVECs), revealing the role of β-glucan in angiogenesis. We confirmed that HDAC5 was phosphorylated by β-glucan stimulation and released from the nucleus to the cytoplasm. Furthermore, we found that β-glucan-stimulated HDAC5 translocation mediates the transcriptional activation of MEF2. As a result, the expression of KLF2, EGR2, and NR4A2, whose expression is MEF2-dependent and involved in angiogenesis, increased. Thus, we showed the activity of β-glucan in angiogenesis through in vitro and ex vivo assays including cell migration, tube formation, and aortic ring analyses. Specifically, application of an HDAC5 inhibitor repressed MEF2 transcriptional activation in both in vitro and ex vivo angiogenesis. HDAC5 inhibitor LMK235 inhibited the proangiogenic activity of beta-glucan, suggesting that β-glucan induces angiogenesis through HDAC5. These findings suggest that HDAC5 is essential for angiogenesis, and that β-glucan induces angiogenesis. In conclusion, this study demonstrates that β-glucan induces angiogenesis through HDAC5. It also suggests that β-glucan has potential value as a novel therapeutic agent for modulating angiogenesis.
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Affiliation(s)
- Min Choi
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seung Min Lee
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jin Woo Lee
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Inki Kim
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chan-Gi Pack
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chang Hoon Ha
- Department of Convergence Medicine and Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Hu P, Lei Q, Duan S, Fu Y, Pan H, Chang C, Zheng Z, Wu Y, Zhang Z, Li R, Li YY, Ao N. In-situ formable dextran/chitosan-based hydrogels functionalized with collagen and EGF for diabetic wounds healing. Biomater Adv 2022; 136:212773. [PMID: 35929312 DOI: 10.1016/j.bioadv.2022.212773] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/05/2022] [Accepted: 03/20/2022] [Indexed: 06/15/2023]
Abstract
Delayed or non-healing skin wounds causing gangrene or even amputation, greatly threats diabetic patients lives. Herein, a bioactive, in-situ formable hydrogel based wound dressing was designed through simple Schiff base reaction. Oxidized dextran (OD) and carboxyethyl chitosan (CEC) were crosslinked together and applied as the main porous framework of hydrogel. To improve the mechanical strength and biocompatibility, collagen (Col) and EGF (Epidermal Growth Factor) were introduced into OD-CEC precursors: (1) after addition of only Col, the mechanical strength of hydrogels was improved by participating the functional -NH2 group of Col into the crosslinking process. Moreover, swelling ratio was as high as 750% on 3%OD-3%CEC-Col (water retention rate was 65 wt% after 7 days). (2) Once we introduced both Col and EGF into the OD-CEC hydrogel, the proliferation of mouse embryonic fibroblast (NIH 3T3) cells was promoted using 3%OD-3%CEC-Col/EGF, an accelerated wound healing was observed with 86% wound closure after only 14 operative days. Hematoxylin and eosin (H&E) staining and Masson staining indicated the synergy of Col and EGF might promote new tissue's formation, well collagen distributions and thus accelerate skin regeneration, presenting great potentials in wound healing of diabetic patients.
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Affiliation(s)
- Ping Hu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China; Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Qiqi Lei
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China; Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Shuxia Duan
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China; Key Laboratory of Medical Protective Equipment, Henan Province, PR China
| | - Yingkun Fu
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China; Key Laboratory of Medical Protective Equipment, Henan Province, PR China
| | - Hongfu Pan
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Cong Chang
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Ziqi Zheng
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Yue Wu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China; Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China
| | - Zhengnan Zhang
- Henan Yadu Industrial Co. Ltd, Xinxiang 453000, PR China; Key Laboratory of Medical Protective Equipment, Henan Province, PR China
| | - Riwang Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China
| | - Yan Yan Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China.
| | - Ningjian Ao
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, PR China.
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Fu W, Zhao G, Liu J. Effect of preparation methods on physiochemical and functional properties of yeast β-glucan. Lebensm Wiss Technol 2022; 160:113284. [DOI: 10.1016/j.lwt.2022.113284] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Canaan MM, Reis-Canaan JC, Zangerônimo MG, Andrade EF, Gonçalves TMSV, Pereira MCA, Lima RR, Pardi V, Murata RM, Pereira LJ. Yeast Beta-Glucans Ingestion Does Not Influence Body Weight: A Systematic Review and Meta-Analysis of Pre-Clinical Studies. Nutrients 2021; 13:nu13124250. [PMID: 34959802 PMCID: PMC8707765 DOI: 10.3390/nu13124250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/12/2021] [Accepted: 11/17/2021] [Indexed: 12/09/2022] Open
Abstract
Dietary fiber supplementation has been studied as a promising strategy in the treatment of obesity and its comorbidities. A systematic review and meta-analysis were performed to verify whether the consumption of yeast beta-glucan (BG) favors weight loss in obese and non-obese rodents. The PICO strategy was employed, investigating rodents (Population), subjected to the oral administration of yeast BG (Intervention) compared to animals receiving placebo (Comparison), evaluating body weight changes (Outcome), and based on preclinical studies (Study design). Two reviewers searched six databases and the grey literature. We followed the PRISMA 2020 guidelines, and the protocol was registered on PROSPERO (CRD42021267788). The search returned 2467 articles. Thirty articles were selected for full-text evaluation, and seven studies remained based on the eligibility criteria. The effects of BG intake on body weight were analyzed based on obese (n = 4 studies) and non-obese animals (n = 4 studies). Even though most studies on obese rodents (75%) indicated a reduction in body weight (qualitative analysis), the meta-analysis showed this was not significant (mean difference −1.35 g—95% CI −5.14:2.45). No effects were also observed for non-obese animals. We concluded that the ingestion of yeast BG barely affects the body weight of obese and non-obese animals.
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Affiliation(s)
- Marcelo M. Canaan
- Health Sciences Department, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil; (M.M.C.); (J.C.R.-C.); (E.F.A.)
| | - Juliana C. Reis-Canaan
- Health Sciences Department, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil; (M.M.C.); (J.C.R.-C.); (E.F.A.)
| | - Márcio G. Zangerônimo
- Veterinary Science Department, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil;
| | - Eric F. Andrade
- Health Sciences Department, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil; (M.M.C.); (J.C.R.-C.); (E.F.A.)
- Agrarian Sciences Institute, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Unaí BR-38610-000, Brazil
| | - Thais M. S. V. Gonçalves
- Dentistry Department, Universidade Federal de Santa Catarina (UFSC), Florianópolis BR-88040-900, Brazil;
| | - Michel C. A. Pereira
- Department of Nutrition, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil;
| | - Renato R. Lima
- Department of Statistics, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil;
| | - Vanessa Pardi
- Department of Foundational Sciences, School of Dental Medicine, East Carolina University (ECU), Greenville, NC 27834, USA;
| | - Ramiro M. Murata
- Department of Foundational Sciences, School of Dental Medicine, East Carolina University (ECU), Greenville, NC 27834, USA;
- Correspondence: (R.M.M.); (L.J.P.); Tel.: +1-252-737-6960 (R.M.M.); +55-35-3829-5211 (L.J.P.)
| | - Luciano J. Pereira
- Health Sciences Department, Universidade Federal de Lavras (UFLA), Lavras BR-37200-000, Brazil; (M.M.C.); (J.C.R.-C.); (E.F.A.)
- Correspondence: (R.M.M.); (L.J.P.); Tel.: +1-252-737-6960 (R.M.M.); +55-35-3829-5211 (L.J.P.)
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12
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Shui Y, Hu X, Hirano H, Kusano K, Tsukamoto H, Li M, Hasumi K, Guo WZ, Li XK. β-glucan from Aureobasidium pullulans augments the anti-tumor immune responses through activated tumor-associated dendritic cells. Int Immunopharmacol 2021; 101:108265. [PMID: 34715491 DOI: 10.1016/j.intimp.2021.108265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 11/25/2022]
Abstract
Dendritic cells (DCs) are recognized as the most potent antigen-presenting cells, capable of priming both naïve and memory T cells. Thus, tumor-resident DCs (tumor-associated DCs: TADCs) play a crucial role in the immune response against tumors. However, TADCs are also well known as a "double-edged sword" because an immunosuppressive environment, such as a tumor microenvironment, maintains the immature and tolerogenic properties of TADCs, resulting in the deterioration of the tumor. Therefore, it is essential to maintain and enhance the anti-tumoral activity of TADCs to aid tumor elimination. This study demonstrated the potential for tumor growth inhibition of Aureobasidium pullulan-derived β-glucan (AP-BG). Administration of AP-BG dramatically limited the development of different types of tumor cell lines transplanted into mice. Examination of the tumor-infiltrating leukocytes revealed that AP-BG caused high expression of co-stimulatory molecules on TADCs and enhanced the production of cytolytic granules as well as pro-inflammatory cytokines by the tumor-resident T cells. Furthermore, the syngeneic mixed lymphoid reaction assay and popliteal lymph node assay showed the significant ability of AP-BG to improve DCs' antigen-specific priming of T cells in vitro and in vivo. Taken together, β-glucan might be an immune-potentiating adjuvant for cancer treatment. This highly widely-used reagent will initiate a new way to activate DC-targeted cancer immune therapy.
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Affiliation(s)
- Yifang Shui
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Division of Transplantation Immunology, National Research Institute for Child Health and Development, Tokyo, Japan; Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xin Hu
- Division of Transplantation Immunology, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Hiroshi Hirano
- Division of Transplantation Immunology, National Research Institute for Child Health and Development, Tokyo, Japan; Hasumi International Research Foundation, Tokyo, Japan
| | | | - Hirotake Tsukamoto
- Department of Immunology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan; Division of Clinical Immunology and Cancer Immunotherapy, Center for Cancer Immunotherapy and Immunobiology, Graduate School of Medicine, Kyoto University, Japan
| | - Mengquan Li
- Department of Breast Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | | | - Wen-Zhi Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Xiao-Kang Li
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Division of Transplantation Immunology, National Research Institute for Child Health and Development, Tokyo, Japan.
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13
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Martinez TM, Meyer RK, Duca FA. Therapeutic Potential of Various Plant-Based Fibers to Improve Energy Homeostasis via the Gut Microbiota. Nutrients 2021; 13:3470. [PMID: 34684471 DOI: 10.3390/nu13103470] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/19/2022] Open
Abstract
Obesity is due in part to increased consumption of a Western diet that is low in dietary fiber. Conversely, an increase in fiber supplementation to a diet can have various beneficial effects on metabolic homeostasis including weight loss and reduced adiposity. Fibers are extremely diverse in source and composition, such as high-amylose maize, β-glucan, wheat fiber, pectin, inulin-type fructans, and soluble corn fiber. Despite the heterogeneity of dietary fiber, most have been shown to play a role in alleviating obesity-related health issues, mainly by targeting and utilizing the properties of the gut microbiome. Reductions in body weight, adiposity, food intake, and markers of inflammation have all been reported with the consumption of various fibers, making them a promising treatment option for the obesity epidemic. This review will highlight the current findings on different plant-based fibers as a therapeutic dietary supplement to improve energy homeostasis via mechanisms of gut microbiota.
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Wouk J, Dekker RFH, Queiroz EAIF, Barbosa-Dekker AM. β-Glucans as a panacea for a healthy heart? Their roles in preventing and treating cardiovascular diseases. Int J Biol Macromol 2021; 177:176-203. [PMID: 33609583 DOI: 10.1016/j.ijbiomac.2021.02.087] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 02/04/2021] [Accepted: 02/12/2021] [Indexed: 02/07/2023]
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death worldwide. Factors increasing the risks for CVD development are related to obesity, diabetes, high blood cholesterol, high blood pressure and lifestyle. CVD risk factors may be treated with appropriate drugs, but prolonged can use cause undesirable side-effects. Among the natural products used in complementary and alternative medicines, are the β-ᴅ-glucans; biopolymers found in foods (cereals, mushrooms), and can easily be produced by microbial fermentation. Independent of source, β-glucans of the mixed-linked types [(1 → 3)(1 → 6)-β-ᴅ-glucans - fungal, and (1 → 3)(1 → 4)-β-ᴅ-glucans - cereal] have widely been studied because of their biological activities, and have demonstrated cardiovascular protective effects. In this review, we discuss the roles of β-ᴅ-glucans in various pathophysiological conditions that lead to CVDs including obesity, dyslipidemia, hyperglycemia, oxidative stress, hypertension, atherosclerosis and stroke. The β-glucans from all of the sources cited demonstrated potential hypoglycemic, hypocholesterolemic and anti-obesogenicity activities, reduced hypertension and ameliorated the atherosclerosis condition. More recently, β-glucans are recognized as possessing prebiotic properties that modulate the gut microbiome and impact on the health benefits including cardiovascular. Overall, all the studies investigated unequivocally demonstrated the dietary benefits of consuming β-glucans regardless of source, thus constituting a promising panaceutical approach to reduce CVD risk factors.
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Affiliation(s)
- Jéssica Wouk
- Programa de Pós-graduação em Ciências Farmacêuticas, Universidade Estadual do Centro-Oeste, Campus CEDETEG, CEP: 85040-167, Guarapuava, Paraná, Brazil
| | - Robert F H Dekker
- Universidade Tecnológica Federal do Paraná, Programa de Pós-Graduação em Engenharia Ambiental, Câmpus Londrina, CEP: 86036-370 Londrina, Paraná, Brazil; Beta-Glucan Produtos Farmoquímicos - EIRELI, Avenida João Miguel Caram 731, Lote 24(A), Bloco Zircônia, Universidade Tecnológica Federal do Paraná, CEP: 86036-700 Londrina, Paraná, Brazil.
| | - Eveline A I F Queiroz
- Núcleo de Pesquisa e Apoio Didático em Saúde, Instituto de Ciências da Saúde, Câmpus Universitário de Sinop, Universidade Federal de Mato Grosso, CEP: 78.557-267 Sinop, Mato Grosso, Brazil
| | - Aneli M Barbosa-Dekker
- Beta-Glucan Produtos Farmoquímicos - EIRELI, Avenida João Miguel Caram 731, Lote 24(A), Bloco Zircônia, Universidade Tecnológica Federal do Paraná, CEP: 86036-700 Londrina, Paraná, Brazil
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15
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Liu Y, Wu Q, Wu X, Algharib SA, Gong F, Hu J, Luo W, Zhou M, Pan Y, Yan Y, Wang Y. Structure, preparation, modification, and bioactivities of β-glucan and mannan from yeast cell wall: A review. Int J Biol Macromol 2021; 173:445-56. [PMID: 33497691 DOI: 10.1016/j.ijbiomac.2021.01.125] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 02/06/2023]
Abstract
In order to solve the antibiotic resistance, the research on antibiotic substitutes has received an extensive attention. Many studies have shown that β-glucan and mannan from yeast cell wall have the potential to replace antibiotics for the prevention and treatment of animal diseases, thereby reducing the development and spread of antibiotic-resistant bacterial pathogens. β-Glucan and mannan had a variety of biological functions, including improving the intestinal environment, stimulating innate and acquired immunity, adsorbing mycotoxins, enhancing antioxidant capacity, and so on. The biological activities of β-glucan and mannan can be improved by chemically modifying its primary structure or reducing molecular weight. In this paper, the structure, preparation, modification, and biological activities of β-glucan and mannan were reviewed, which provided future perspectives of β-glucan and mannan.
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Szuba-Trznadel A, Hikawczuk T, Korzeniowska M, Fuchs B. Effect of Different Amounts of Hybrid Barley in Diets on the Growth Performance and Selected Biochemical Parameters of Blood Serum Characterizing Health Status in Fattening Pigs. Animals (Basel) 2020; 10:ani10111987. [PMID: 33137945 PMCID: PMC7692960 DOI: 10.3390/ani10111987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 12/31/2022] Open
Abstract
Simple Summary The aim of the present study was to determine the effect of dietary hybrid barley and/or wheat on production parameters, selected biochemical parameters of blood serum characterizing health status in fattening pigs. The use of hybrid barley as the basic ingredient of diets for fattening pigs provided similar production parameters as those obtained with wheat. No significant differences were noted in case of performance results and meatiness of fatteners. However, usage of hybrid barley with high level in diet decreased level of total cholesterol and LDL (low-density lipoprotein fraction) fraction in blood. It means that barley had a beneficial effect on blood lipid indices. Abstract The aim of the study was to determine the effect of dietary hybrid barley and/or wheat on production parameters, selected biochemical parameters of blood serum characterizing health status in fattening pigs. In group I, hybrid barley constituted 80% of feed; in II—wheat and hybrid barley were used, each in amount of 40% feed; in III—contained 80% of wheat. No significant differences were noted in case of performance results (body weight gains, feed intake, and feed conversion ratio) and meatiness of fatteners. All estimated biochemical indices determined in serum were within normal range. Usage of 80% hybrid barley decreased concentration of total cholesterol, low-density lipoprotein fraction (LDL), and triglycerides in blood (p < 0.05). However, high-density lipoprotein fraction (HDL) content increased (p < 0.01) up to 1.04 mmol·dm−3, comparing to the group with 80% of wheat (0.84 mmol·dm−3). Summarized, the diet with high level of barley had a beneficial effect on blood lipid indices, what indicate a good health status of all animals.
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Affiliation(s)
- Anna Szuba-Trznadel
- Department of Animal Nutrition and Feed Management, The Faculty of Biology and Animal Sciences, Wrocław University of Environmental and Life Sciences, J. Chełmońskiego 38 C, 51-630 Wrocław, Poland; (T.H.); (B.F.)
- Correspondence:
| | - Tomasz Hikawczuk
- Department of Animal Nutrition and Feed Management, The Faculty of Biology and Animal Sciences, Wrocław University of Environmental and Life Sciences, J. Chełmońskiego 38 C, 51-630 Wrocław, Poland; (T.H.); (B.F.)
| | - Małgorzata Korzeniowska
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Sciences, Wrocław University of Environmental and Life Sciences, Chełmońskiego 37, 51-630 Wrocław, Poland;
| | - Bogusław Fuchs
- Department of Animal Nutrition and Feed Management, The Faculty of Biology and Animal Sciences, Wrocław University of Environmental and Life Sciences, J. Chełmońskiego 38 C, 51-630 Wrocław, Poland; (T.H.); (B.F.)
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Karim A, Gerliani N, Aïder M. Kluyveromyces marxianus: An emerging yeast cell factory for applications in food and biotechnology. Int J Food Microbiol 2020; 333:108818. [PMID: 32805574 DOI: 10.1016/j.ijfoodmicro.2020.108818] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 08/04/2020] [Accepted: 08/05/2020] [Indexed: 11/18/2022]
Abstract
Several yeasts, which are eukaryotic microorganisms, have long been used in different industries due to their potential applications, both for fermentation and for the production of specific metabolites. Kluyveromyces marxianus is one of the most auspicious nonconventional yeasts, generally isolated from wide-ranging natural habitats such as fermented traditional dairy products, kefir grain, sewage from sugar industries, sisal leaves, and plants. This is a food-grade yeast with various beneficial traits, such as rapid growth rate and thermotolerance that make it appealing for different industrial food and biotechnological applications. K. marxianus is a respiro-fermentative yeast likely to produce energy by either respiration or fermentation pathways. It generates a wide-ranging specific metabolites and could contribute to a variety of different food and biotechnological industries. Although Saccharomyces cerevisiae is the most widely used dominant representative in all aspects, many applications of K. marxianus in biotechnology, food and environment have only started to emerge nowadays; some of the most promising applications are reviewed here. The general physiology of K. marxianus is outlined, and then the different applications are discussed: first, the applications of K. marxianus in biotechnology, and then the recent advances and possible applications in food, feed and environmental industries. Finally, this review provides a discussion of the main challenges and some perspectives for targeted applications of K. marxianus in the modern food technology and applied biotechnology in order to exploit the full potential of this yeast which can be used as a cell factory with great efficiency.
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Affiliation(s)
- Ahasanul Karim
- Department of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada; Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
| | - Natela Gerliani
- Department of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada; Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
| | - Mohammed Aïder
- Department of Soil Sciences and Agri-food Engineering, Université Laval, Quebec, QC G1V 0A6, Canada; Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada.
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Valero-Pérez M, Bermejo LM, López-Plaza B, García MA, Palma-Milla S, Gómez-Candela C. Regular Consumption of Lipigo ® Promotes the Reduction of Body Weight and Improves the Rebound Effect of Obese People Undergo a Comprehensive Weight Loss Program. Nutrients 2020; 12:nu12071960. [PMID: 32630079 PMCID: PMC7399819 DOI: 10.3390/nu12071960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 11/23/2022] Open
Abstract
Obesity is a global public health problem. Objective: To evaluate the effect of the regular consumption of the product Lipigo® on body weight and rebound effect on overweight/obese subjects undergoing a comprehensive weight loss program. Methods: A randomized, parallel, double-blind, placebo-controlled clinical trial was conducted with male and female subjects presenting a BMI 25–39.9 kg/m2. All subjects underwent a comprehensive weight loss program (WLP) for 12 weeks, which included an individualized hypocaloric diet, physical activity recommendations, nutritional education seminars, and three times a day consumption of the product Lipigo® or Placebo. After-WLP, subjects continued the treatment for 9 months to assess rebound effect. Body weight (BW), BMI, and body composition were measured at the beginning and the end of the WLP, and in the follow-up. Results: A total of 120 subjects (85% women) 49.0 ± 9.5 years old and with a BW of 81.57 ± 13.26 kg (BMI 31.19 ± 3.44 kg/m2) were randomized and 73 subjects finished the study. At the end of the WLP, there was a tendency toward reduced BW (p = 0.093), BMI (p = 0.063), and WC (p = 0.059) in the treated group. However, subjects with obesity type 1 (OB1) from the treated group significantly reduced body weight (−5.27 ± 2.75 vs. −3.08 ± 1.73 kg; p = 0.017) and BMI (−1.99 ± 1.08 vs. −1.09 ± 0.55 kg/m2; p = 0.01) compared with placebo. They also presented a minor rebound effect after 9 months with product consumption (−4.19 ± 3.61 vs. −1.44 ± 2.51 kg; p = 0.026), minor BMI (−1.61 ± 1.43 vs. −0.52 ± 0.96 kg/m2; p = 0.025) and tended to have less fat-mass (−3.44 ± 2.46 vs. −1.44 ± 3.29 kg; p = 0.080) compared with placebo. Conclusions: The regular consumption of the product Lipigo® promotes the reduction of body weight and reduces the rebound effect of obese people after 52 weeks (12 months), mainly in obesity type 1, who undergo a comprehensive weight loss program.
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Affiliation(s)
- Marlhyn Valero-Pérez
- Nutrition Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), 2804 Madrid, Spain; (M.V.-P.); (B.L.-P.)
| | - Laura M. Bermejo
- Nutrition Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), Complutense University of Madrid, 28040 Madrid, Spain
- Correspondence: ; Tel.: +34-917-277-000 (ext. 42199)
| | - Bricia López-Plaza
- Nutrition Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), 2804 Madrid, Spain; (M.V.-P.); (B.L.-P.)
| | | | - Samara Palma-Milla
- Nutrition Department, La Paz University Hospital, Nutrition Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), Autonomous University of Madrid, 28046 Madrid, Spain; (S.P.-M.); (C.G.-C.)
| | - Carmen Gómez-Candela
- Nutrition Department, La Paz University Hospital, Nutrition Research Group, Hospital La Paz Institute for Health Research (IdiPAZ), Autonomous University of Madrid, 28046 Madrid, Spain; (S.P.-M.); (C.G.-C.)
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19
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Korolenko TA, Bgatova NP, Ovsyukova MV, Shintyapina A, Vetvicka V. Hypolipidemic Effects of β-Glucans, Mannans, and Fucoidans: Mechanism of Action and Their Prospects for Clinical Application. Molecules 2020; 25:molecules25081819. [PMID: 32316136 PMCID: PMC7221696 DOI: 10.3390/molecules25081819] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/10/2020] [Accepted: 04/10/2020] [Indexed: 12/17/2022] Open
Abstract
The search for lipid-lowering drugs is important for clinical medicine. This review summarizes our research findings regarding the hypolipidemic activity of polysaccharides. There are several validated agents altering lipid levels which reduce the risk of atherosclerotic cardiovascular events. Nonetheless, for many people, the risk of such an event remains unacceptably high despite treatment with these agents. This situation has prompted the search for new therapies to reduce the residual cardiovascular risk. The lipid-lowering effect of β-glucans consumed with food was demonstrated in patients with atherosclerosis. The mechanism of the protective effect of β-glucans is poorly studied. The effects of β-glucans are mediated by Toll-like receptors, by dectin-1, and possibly by other receptors. Nevertheless, the mechanism of the protective action of β-glucan in lipemic mice has been studied insufficiently. This review will present up-to-date information regarding experimental hypolipidemic polysaccharide compounds that hold promise for medicine. Phagocyte-specific chitotriosidase in humans contributes to innate immune responses against chitin-containing fungi. This enzyme has been first described in patients with Gaucher disease and serves as an important diagnostic biomarker. It has been reported that, in mice, chitin particles of certain size are recognized by macrophages through Toll-like receptors, dectin-1, and to a lesser extent through mannose receptor.
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Affiliation(s)
- Tatiana A. Korolenko
- Department of Clinical Neuroscience, Behavior and Neurotechnologies, Institute of Physiology and Basic Medicine, Timakov St. 4, Novosibirsk 630117, Russia; (T.A.K.); (M.V.O.)
| | - Nataliya P. Bgatova
- Laboratory of Ultrastructural Research, Department of Experimental Pharmacology, Research Institute of Clinical and Experimental Lymphology—Branch of the Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, Novosibirsk 630117, Russia;
| | - Marina V. Ovsyukova
- Department of Clinical Neuroscience, Behavior and Neurotechnologies, Institute of Physiology and Basic Medicine, Timakov St. 4, Novosibirsk 630117, Russia; (T.A.K.); (M.V.O.)
| | - Alexandra Shintyapina
- Institute of Molecular Biology and Biophysics, Federal Research Center, Timakov St. 2, Novosibirsk 630117, Russia;
| | - Vaclav Vetvicka
- Department of Pathology, University of Louisville, Louisville, KY 40292, USA
- Correspondence:
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20
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Armet AM, Deehan EC, Thöne JV, Hewko SJ, Walter J. The Effect of Isolated and Synthetic Dietary Fibers on Markers of Metabolic Diseases in Human Intervention Studies: A Systematic Review. Adv Nutr 2020; 11:420-438. [PMID: 31342059 PMCID: PMC7442353 DOI: 10.1093/advances/nmz074] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/22/2019] [Accepted: 06/14/2019] [Indexed: 12/25/2022] Open
Abstract
Observational studies provide strong evidence for the health benefits of dietary fiber (DF) intake; however, human intervention studies that supplement isolated and synthetic DFs have shown inconsistent results. Therefore, we conducted a systematic review to summarize the effects of DF supplementation on immunometabolic disease markers in intervention studies in healthy adults, and considered the role of DF dose, DF physicochemical properties, intervention duration, and the placebo used. Five databases were searched for studies published from 1990 to 2018 that assessed the effect of DF on immunometabolic markers. Eligible studies were those that supplemented isolated or synthetic DFs for ≥2 wk and reported baseline data to assess the effect of the placebo. In total, 77 publications were included. DF supplementation reduced total cholesterol (TC), LDL cholesterol, HOMA-IR, and insulin AUC in 36-49% of interventions. In contrast, <20% of the interventions reduced C-reactive protein (CRP), IL-6, glucose, glucose AUC, insulin, HDL cholesterol, and triglycerides. A higher proportion of interventions showed an effect if they used higher DF doses for CRP, TC, and LDL cholesterol (40-63%), viscous and mixed plant cell wall DFs for TC and LDL cholesterol (>50%), and longer intervention durations for CRP and glucose (50%). Half of the placebo-controlled studies used digestible carbohydrates as the placebo, which confounded findings for IL-6, glucose AUC, and insulin AUC. In conclusion, interventions with isolated and synthetic DFs resulted mainly in improved cholesterol concentrations and an attenuation of insulin resistance, whereas markers of dysglycemia and inflammation were largely unaffected. Although more research is needed to make reliable recommendations, a more targeted supplementation of DF with specific physicochemical properties at higher doses and for longer durations shows promise in enhancing several of its health effects.
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Affiliation(s)
- Anissa M Armet
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Edward C Deehan
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Address correspondence to ECD (e-mail: )
| | - Julia V Thöne
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Medical Department, Justus-Liebig University Giessen, Giessen, Germany
| | - Sarah J Hewko
- Department of Applied Human Sciences, University of Prince Edward Island, Charlottetown, Prince Edward Island, Canada
| | - Jens Walter
- Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada,Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada,Address correspondence to JW (e-mail: )
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21
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Yuan H, Lan P, He Y, Li C, Ma X. Effect of the Modifications on the Physicochemical and Biological Properties of β-Glucan-A Critical Review. Molecules 2019; 25:E57. [PMID: 31877995 PMCID: PMC6983044 DOI: 10.3390/molecules25010057] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/13/2019] [Accepted: 12/18/2019] [Indexed: 12/14/2022] Open
Abstract
β-Glucan exhibits many biological activities and functions such as stimulation of the immune system and anti-inflammatory, anti-microbial, anti-infective, anti-viral, anti-tumor, anti-oxidant, anti-coagulant, cholesterol-lowering, radio protective, and wound healing effects. It has a wide variety of uses in pharmaceutical, cosmetic, and chemical industries as well as in food processing units. However, due to its dense triple helix structure, formed by the interaction of polyhydroxy groups in the β-d-glucan molecule, it features poor solubility, which not only constrains its applications, but also inhibits its physiological function in vivo. One aim is to expand the applications for modified β-glucan with potential to prevent disease, various therapeutic purposes and as health-improving ingredients in functional foods and cosmetics. This review introduces the major modification methods required to understand the bioactivity of β-glucan and critically provides a literature survey on the structural features of this molecule and reported biological activity. We also discuss a new method to create novel opportunities to exploit maximally various properties of β-glucan, namely ultrasound-assisted enzymatic modification.
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Affiliation(s)
- Hongjie Yuan
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, China; (H.Y.); (Y.H.)
| | - Ping Lan
- Guangxi Key Laboratory of Polysaccharide Materials and Modification, School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530008, China;
| | - Yan He
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, China; (H.Y.); (Y.H.)
| | - Chengliang Li
- LB Cosmeceutical Technology Co., Ltd., Shanghai 201499, China;
| | - Xia Ma
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, China; (H.Y.); (Y.H.)
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Micháľová A, Micháľ M, Fialkovičová M. Combination of Beta Glucan, Honey and Chlorhexidine in the Wound Management in a Cat a Case Report. Folia Veterinaria 2019; 63:70-7. [DOI: 10.2478/fv-2019-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Wound management is one of the oldest and one of the most frequent therapeutic activities in medicine. Over the centuries there has been described and tested many therapeutic substances for the treatment of wounds with various effects. Due to the discovery of antibiotics, a wound management regime used to be limited only to a local application. Over years, it has been shown, that comprehensive therapy which uses only antibacterial preparations, also may contain some negative points (resistance of aggressive pathogens, toxicity, allergic reactions, etc.). According to studies, the best solution to this problem is a local application, using preparations that ensure the sterility of the affected parts of the skin, and the utilization of agents that are able to accelerate the granulation and lead to the healing process of the wound. Products that contain beta glucan combined with a gentle but effective antiseptics (chlorhexidine digluconate), or natural substance with antiseptic and also nourishment effect (honey), are very beneficial in wound management. A good penetration of active agents, the ability to moisturize defective tissues, and to make a protective film that hinder the intersection of impurities and decrease secondary contamination, are the benefits of a gel formulation, that is the most appropriate external form of application in veterinary practice that can improve and accelerate a successful healing process of wounds in animals.
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Hill E, Sapa H, Negrea L, Bame K, Hostetter T, Barkoukis H, Dusso A, Dobre M. Effect of Oat β-Glucan Supplementation on Chronic Kidney Disease: A Feasibility Study. J Ren Nutr 2019; 30:208-215. [PMID: 31668649 DOI: 10.1053/j.jrn.2019.06.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 05/20/2019] [Accepted: 06/29/2019] [Indexed: 12/28/2022] Open
Abstract
OBJECTIVE Dietary supplementation with grains containing high β-glucan fiber has been shown to attenuate the progression of chronic kidney disease (CKD) and vascular calcification in animal models. The aim of this study was to investigate the feasibility of consuming an oat β-glucan supplement and to assess its effects on certain uremic toxins and markers of mineral metabolism in patients with CKD. DESIGN This is a 20-week, nonrandomized, single-center, pretest-posttest study. Twenty-eight subjects with CKD stages 3-4 were enrolled. The mean age was 67.6 ± 8.9 years, and the mean estimated glomerular filtration rate was 35 ± 14 mL/min/1.73 m2. Subjects received a dietary supplement containing 3 g of oat β-glucan per day for 12 weeks. The 4-week period before the start of the intervention was used as a baseline comparison for each subject. The primary outcome was pre-post supplement changes in plasma levels of two uremic toxins: trimethylamine N-oxide (TMAO) and asymmetric dimethylarginine. Secondary outcomes were pre-post supplement changes in serum calcium, phosphorus, and Klotho levels. Repeated-measures analysis of variance was used to test the differences in outcomes over the three-month-long intervention. RESULTS Serum levels of TMAO decreased by a median of -17% (interquartile range: -46%, 7%) at the end of the intervention. A nonstatistically significant change was observed for asymmetric dimethylarginine (median -0.6% [-12%, 20%]) and serum Klotho (median -3% [-8%, 7%]). There were no changes in serum levels of calcium and phosphorus. One month after discontinuation of β-glucan therapy, TMAO levels increased by a median of 16% (-12%, 36%) but remained slightly below the pretreatment levels. Eight subjects experienced side effects and discontinued the treatment. CONCLUSION A diet supplemented with β-glucan is safe and potentially efficacious in lowering serum concentrations of TMAO in patients with CKD. Larger trials with longer follow-up times are needed to determine whether such reductions translate into clinical benefits.
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Affiliation(s)
- Eddie Hill
- School of Medicine, Case Western Reserve University, Cleveland, Ohio.
| | - Hima Sapa
- School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Lavinia Negrea
- School of Medicine, Case Western Reserve University, Cleveland, Ohio; Division of Nephrology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Kristin Bame
- Clinical Nutrition Services Department, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Thomas Hostetter
- School of Medicine, Case Western Reserve University, Cleveland, Ohio; Division of Nephrology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
| | - Hope Barkoukis
- School of Medicine, Case Western Reserve University, Cleveland, Ohio
| | - Adriana Dusso
- Bone and Mineral Research Unit, Hospital Universitario Central de Asturias, Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
| | - Mirela Dobre
- School of Medicine, Case Western Reserve University, Cleveland, Ohio; Division of Nephrology, University Hospitals Cleveland Medical Center, Cleveland, Ohio
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Zhang JY, Park JW, Kim IH. Effect of supplementation with brewer's yeast hydrolysate on growth performance, nutrients digestibility, blood profiles and meat quality in growing to finishing pigs. Asian-Australas J Anim Sci 2019; 32:1565-1572. [PMID: 31011001 PMCID: PMC6718907 DOI: 10.5713/ajas.18.0837] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/04/2019] [Indexed: 11/27/2022]
Abstract
Objective This study was aimed to investigate the effects of brewer’s yeast hydrolysate (YH) on growth performance, nutrients digestibility, blood profiles and meat quality of growing pigs. Methods A total of 200 growing pigs ([Landrace×Yorkshire]×Duroc) (initial body weight, 25.31±1.29 kg) were allotted to 5 treatments as follow: CON, basic diet; and YH treatment, CON+0.05%, 0.1%, 0.5%, and 1.0% of YH, respectively. Results On wk 11, 16 and overall phase, pigs fed YH diet showed a linear improvement in average daily body gain and gain/feed (p<0.05). The pigs that received YH linearly increased the digestibility of dry matter, nitrogen, and energy on wk 11 and 16. The concentration of serum urea nitrogen was linearly increased in YH treatments on wk 16. However, the carcass weight, back fat and lean muscle percentage of pigs receiving YH had no significant change. Besides, no difference was observed in creatinine and total protein in the blood among treatments. Conclusion The pigs fed a graded YH diet had improved growth performance and nutrient digestibility, meanwhile, the YH increased the serum urea nitrogen in the growing pigs.
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Affiliation(s)
- Jian Ying Zhang
- Department of Animal Resource and Science, Dankook University, Cheonan 31116, Korea
| | - Jae Won Park
- Department of Animal Resource and Science, Dankook University, Cheonan 31116, Korea
| | - In Ho Kim
- Department of Animal Resource and Science, Dankook University, Cheonan 31116, Korea
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Silva AZ, Costa FP, Souza IL, Ribeiro MC, Giordani MA, Queiroz DA, Luvizotto RA, Nascimento AF, Bomfim GF, Sugizaki MM, Dekker RF, Barbosa-Dekker AM, Queiroz EA. Botryosphaeran reduces obesity, hepatic steatosis, dyslipidaemia, insulin resistance and glucose intolerance in diet-induced obese rats. Life Sci 2018; 211:147-156. [DOI: 10.1016/j.lfs.2018.09.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/06/2018] [Accepted: 09/14/2018] [Indexed: 01/11/2023]
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Strączkowski M, Nikołajuk A, Majewski R, Filarski R, Stefanowicz M, Matulewicz N, Karczewska-Kupczewska M. The effect of moderate weight loss, with or without (1, 3)(1, 6)-β-glucan addition, on subcutaneous adipose tissue inflammatory gene expression in young subjects with uncomplicated obesity. Endocrine 2018; 61:275-284. [PMID: 29737494 PMCID: PMC6061191 DOI: 10.1007/s12020-018-1619-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 04/24/2018] [Indexed: 12/21/2022]
Abstract
PURPOSE Obesity is characterized by insulin resistance and low-grade systemic and adipose tissue (AT) inflammation. It remains unclear whether beneficial effects of weight loss are related to AT inflammation. We aimed to assess the effect of weight loss during low-calorie diet on insulin sensitivity, AT expression of genes associated with inflammation in young subjects with obesity. Furthermore, we estimated the effects of immunomodulatory (1, 3)(1, 6)-β-glucan (BG) on the above parameters. METHODS The study group comprised 52 subjects with obesity. Twelve-week dietary intervention was applied, with randomization to receive or not 500 mg BG daily. Euglycemic hyperinsulinemic clamp, subcutaneous AT biopsy were performed before and after the program. Twenty normal-weight subjects, examined at baseline, served as a control group. RESULTS At baseline, obese subjects had lower insulin sensitivity, lower AT ADIPOQ, JAK1, and JAK2 expression and higher AT expression of LEP, IL6ST, STAT3, MIF, CCL2, MMP9, and IL18. Forty obese subjects completed dietary intervention program, which resulted in 11.3% weight loss and 27% increase in insulin sensitivity (both p < 0.0001). AT IL6R, IL6ST, JAK1, and JAK2 expression increased, whereas MIF, CCL2, MMP9, and IL18 gene expression did not change in response to weight loss. BG addition had no effect on any of the parameters studied. CONCLUSIONS Our data indicate that reduction in AT inflammation is not required for an improvement in insulin action during weight loss in subjects with uncomplicated obesity. BG does not have effects during dietary intervention.
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Affiliation(s)
- Marek Strączkowski
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland.
- Department of Metabolic Diseases, Medical University of Bialystok, Bialystok, Poland.
| | - Agnieszka Nikołajuk
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Radosław Majewski
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Remigiusz Filarski
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
| | - Magdalena Stefanowicz
- Department of Metabolic Diseases, Medical University of Bialystok, Bialystok, Poland
| | - Natalia Matulewicz
- Department of Metabolic Diseases, Medical University of Bialystok, Bialystok, Poland
| | - Monika Karczewska-Kupczewska
- Department of Prophylaxis of Metabolic Diseases, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
- Department of Metabolic Diseases, Medical University of Bialystok, Bialystok, Poland
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Bashir KMI, Choi JS. Clinical and Physiological Perspectives of β-Glucans: The Past, Present, and Future. Int J Mol Sci 2017; 18:E1906. [PMID: 28872611 DOI: 10.3390/ijms18091906] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 08/31/2017] [Accepted: 08/31/2017] [Indexed: 12/28/2022] Open
Abstract
β-Glucans are a group of biologically-active fibers or polysaccharides from natural sources with proven medical significance. β-Glucans are known to have antitumor, anti-inflammatory, anti-obesity, anti-allergic, anti-osteoporotic, and immunomodulating activities. β-Glucans are natural bioactive compounds and can be taken orally, as a food supplement, or as part of a daily diet, and are considered safe to use. The medical significance and efficiency of β-glucans are confirmed in vitro, as well as using animal- and human-based clinical studies. However, systematic study on the clinical and physiological significance of β-glucans is scarce. In this review, we not only discuss the clinical and physiological importance of β-glucans, we also compare their biological activities through the existing in vitro and animal-based in vivo studies. This review provides extensive data on the clinical study of β-glucans.
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Santas J, Lázaro E, Cuñé J. Effect of a polysaccharide-rich hydrolysate from Saccharomyces cerevisiae (LipiGo®) in body weight loss: randomised, double-blind, placebo-controlled clinical trial in overweight and obese adults. J Sci Food Agric 2017; 97:4250-4257. [PMID: 28251654 DOI: 10.1002/jsfa.8301] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 02/27/2017] [Accepted: 02/27/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND In the present study we evaluated the weight loss effect of a polysaccharide-rich food supplement, LipiGo®, comprising a specific β-glucan-chitin-chitosan fraction (BGCC) obtained from the chemical hydrolysis of Saccharomyces cerevisiae, resulting as a by-product of the brewing process. RESULTS A randomised, double-blind, placebo-controlled clinical trial was performed enrolling 56 overweight and obese subjects (body mass index, BMI, 25-35 kg m-2 ) who were not following any specific diet, and were given placebo or BGCC (3 g d-1 ) for 12 weeks. Results were analysed by intention-to-treat (ITT) and per-protocol (PP) methods. Body weight increased in the placebo group compared to baseline (ITT: 1.0 kg, P < 0.001; PP: 1.5 kg, P = 0.003), while it was slightly lowered in the BGCC group (ITT: -0.8 kg, P = 0.210; PP: -1.1 kg, P = 0.182). BGCC, but not the consumption of placebo, also resulted in a reduction of waist circumference and body fat compared to baseline. CONCLUSIONS Results suggest that daily supplementation of BGCC may be useful for improving body weight and waist circumference in overweight and obese subjects, without relevant adverse effects. © 2017 Society of Chemical Industry.
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Affiliation(s)
| | | | - Jordi Cuñé
- AB-Biotics, Sant Cugat del Vallès, Barcelona, Spain
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29
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Affiliation(s)
- Montana Camara
- Dpto. Nutrición y Bromatología II. Facultad de Farmacia. Universidad Complutense de Madrid (UCM). Pza Ramón y Cajal, s/n. E-28040 Madrid, Spain
| | - Virginia Fernandez-Ruiz
- Dpto. Nutrición y Bromatología II. Facultad de Farmacia. Universidad Complutense de Madrid (UCM). Pza Ramón y Cajal, s/n. E-28040 Madrid, Spain
| | - Patricia Morales
- Dpto. Nutrición y Bromatología II. Facultad de Farmacia. Universidad Complutense de Madrid (UCM). Pza Ramón y Cajal, s/n. E-28040 Madrid, Spain
| | - Maria Cortes Sanchez-Mata
- Dpto. Nutrición y Bromatología II. Facultad de Farmacia. Universidad Complutense de Madrid (UCM). Pza Ramón y Cajal, s/n. E-28040 Madrid, Spain
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30
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Affiliation(s)
- Ruge Cao
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
- Engineering Research Center of Food Biotechnology, Ministry of Education, Tianjin, China
| | - Xingyue Yang
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
| | - Wenting Shang
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
| | - Zhongkai Zhou
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science and Technology, Tianjin, China
- ARC Industrial Transformation Training Centre for Functional Grains, Charles Sturt University, Wagga Wagga, NSW, Australia
| | - Padraig Strappe
- School of Medical and Applied Sciences, Central Queensland University, Rockhampton, Qld, Australia
| | - Chris Blanchard
- ARC Industrial Transformation Training Centre for Functional Grains, Charles Sturt University, Wagga Wagga, NSW, Australia
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Abstract
The microbes colonizing the infant gastrointestinal tract have been implicated in later-life disease states such as allergies and obesity. Recently, the medical research community has begun to realize that very early colonization events may be most impactful on future health, with the presence of key taxa required for proper immune and metabolic development. However, most studies to date have focused on bacterial colonization events and have left out fungi, a clinically important sub-population of the microbiota. A number of recent findings indicate the importance of host-associated fungi (the mycobiota) in adult and infant disease states, including acute infections, allergies, and metabolism, making characterization of early human mycobiota an important frontier of medical research. This review summarizes the current state of knowledge with a focus on factors influencing infant mycobiota development and associations between early fungal exposures and health outcomes. We also propose next steps for infant fungal mycobiome research, including longitudinal studies of mother-infant pairs while monitoring long-term health outcomes, further exploration of bacterium-fungus interactions, and improved methods and databases for mycobiome quantitation.
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Affiliation(s)
- Tonya L Ward
- Biotechnology Institute, University of Minnesota, Saint Paul, MN, USA
| | - Dan Knights
- Biotechnology Institute, University of Minnesota, Saint Paul, MN, USA.,Department of Computer Science and Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Cheryl A Gale
- Department of Pediatrics, University of Minnesota, 2450 Riverside Ave, Minneapolis, MN, 55454, USA.
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Mosikanon K, Arthan D, Kettawan A, Tungtrongchitr R, Prangthip P. Yeast β–Glucan Modulates Inflammation and Waist Circumference in Overweight and Obese Subjects. J Diet Suppl 2016; 14:173-185. [DOI: 10.1080/19390211.2016.1207005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Meneses ME, Martínez-Carrera D, Torres N, Sánchez-Tapia M, Aguilar-López M, Morales P, Sobal M, Bernabé T, Escudero H, Granados-Portillo O, Tovar AR. Hypocholesterolemic Properties and Prebiotic Effects of Mexican Ganoderma lucidum in C57BL/6 Mice. PLoS One 2016; 11:e0159631. [PMID: 27438015 PMCID: PMC4954724 DOI: 10.1371/journal.pone.0159631] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 07/05/2016] [Indexed: 12/30/2022] Open
Abstract
Edible and medicinal mushrooms contain bioactive compounds with promising effects on several cardiovascular risk biomarkers. However, strains of Ganoderma lucidum of Mexican origin have not yet been studied. Standardized extracts of G. lucidum (Gl) were given to C57BL/6 mice fed a high-cholesterol diet compared with the drug simvastatin. The effects of the extracts on serum biochemical parameters, liver lipid content, cholesterol metabolism, and the composition of gut microbiota were assessed. Acetylsalicylic acid (10 mM) added to the cultivation substrate modulated properties of Gl extracts obtained from mature basidiomata. Compared to the high-cholesterol diet group, the consumption of Gl extracts significantly reduced total serum cholesterol (by 19.2% to 27.1%), LDL-C (by 4.5% to 35.1%), triglyceride concentration (by 16.3% to 46.6%), hepatic cholesterol (by 28.7% to 52%) and hepatic triglycerides (by 43.8% to 56.6%). These effects were associated with a significant reduction in the expression of lipogenic genes (Hmgcr, Srebp1c, Fasn, and Acaca) and genes involved in reverse cholesterol transport (Abcg5 and Abcg8), as well as an increase in Ldlr gene expression in the liver. No significant changes were observed in the gene expression of Srebp2, Abca1 or Cyp7a1. In several cases, Gl-1 or Gl-2 extracts showed better effects on lipid metabolism than the drug simvastatin. A proposed mechanism of action for the reduction in cholesterol levels is mediated by α-glucans and β-glucans from Gl, which promoted decreased absorption of cholesterol in the gut, as well as greater excretion of fecal bile acids and cholesterol. The prebiotic effects of Gl-1 and Gl-2 extracts modulated the composition of gut microbiota and produced an increase in the Lactobacillaceae family and Lactobacillus genus level compared to the control group, high-cholesterol diet group and group supplemented with simvastatin. Mexican genetic resources of Gl represent a new source of bioactive compounds showing hypocholesterolemic properties and prebiotic effects.
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Affiliation(s)
- María E. Meneses
- CONACYT–Colegio de Postgraduados, Campus Puebla, Puebla, Puebla, México
| | - Daniel Martínez-Carrera
- Biotecnología de Hongos Comestibles, Funcionales y Medicinales, Colegio de Postgraduados (CP), Campus Puebla, Puebla, Puebla, México
| | - Nimbe Torres
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México, México
| | - Mónica Sánchez-Tapia
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México, México
| | - Miriam Aguilar-López
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México, México
| | - Porfirio Morales
- Biotecnología de Hongos Comestibles, Funcionales y Medicinales, Colegio de Postgraduados (CP), Campus Puebla, Puebla, Puebla, México
| | - Mercedes Sobal
- Biotecnología de Hongos Comestibles, Funcionales y Medicinales, Colegio de Postgraduados (CP), Campus Puebla, Puebla, Puebla, México
| | - Teodoro Bernabé
- Biotecnología de Hongos Comestibles, Funcionales y Medicinales, Colegio de Postgraduados (CP), Campus Puebla, Puebla, Puebla, México
| | - Helios Escudero
- Biotecnología de Hongos Comestibles, Funcionales y Medicinales, Colegio de Postgraduados (CP), Campus Puebla, Puebla, Puebla, México
| | - Omar Granados-Portillo
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México, México
| | - Armando R. Tovar
- Departamento de Fisiología de la Nutrición, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (INCMNSZ), Ciudad de México, México
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Xu X, Yang J, Luo Z, Zhang X. Lentinula edodes-derived polysaccharide enhances systemic and mucosal immunity by spatial modulation of intestinal gene expression in mice. Food Funct 2016; 6:2068-80. [PMID: 26034783 DOI: 10.1039/c4fo01192a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Mushroom polysaccharides have been reported to possess significant biological activities. However, their molecular mechanisms are not fully elucidated. In this study, the immunostimulating activity of a newly purified heteropolysaccharide L2 from Lentinula edodes is evaluated in Caco-2 cells and a Caco-2/RAW264.7 co-culture system, as well as in mice. Subsequently, the customized RT-PCR array containing 112 genes is employed to investigate the effects of L2 on gene expressions in the small intestine, cecum and colon. The results show that L2 significantly enhances immune responses by differentially affecting the gene expressions of small intestine, cecum and colon, in which 55, 26 and 25 genes are markedly changed, respectively. In particular, 3 core regulation networks are identified for various parts of gut. These data demonstrate the potential of L2 as a potent immune stimulator and for the first time provide a detailed landscape of tissue-specific gene expressions and core regulation networks in response to L. edodes-derived heteropolysaccharide treatment.
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Affiliation(s)
- Xiaofei Xu
- College of Light Industry and Food Sciences, South China University of Technology, Guangzhou, China.
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Zhu Y, Yao Y, Gao Y, Hu Y, Shi Z, Ren G. Suppressive Effects of Barley β-Glucans with Different Molecular Weight on 3T3-L1 Adipocyte Differentiation. J Food Sci 2016; 81:H786-93. [PMID: 26860768 DOI: 10.1111/1750-3841.13226] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 12/22/2015] [Indexed: 11/29/2022]
Abstract
In this study, 2 β-glucans with different molecular weight were prepared and purified from hull-less barley bran. The aim was to evaluate their effects on the differentiation of 3T3-L1 pre-adipocytes. Results showed that barley β-glucans inhibited the differentiation of 3T3-L1 pre-adipocytes induced by differentiation medium in a dose-dependent manner, the suppressive effect of high-molecular-weight barley β-glucans (552 kDa, BGH) was stronger (P < 0.05) than that of low-molecular-weight barley β-glucan (32 kDa, BGL), evidenced by the significantly decrease (P < 0.05) of Oil-red O staining and intracellular triglyceride content in the mature adipocytes. Besides, gene expression analysis and Western Blot analysis revealed that both BGH and BGL inhibited the mRNA and protein levels of adipogenesis related transcription factors peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT-enhancer-binding protein α (C/EBPα) which are principal regulators of adipogenesis. Furthermore, the mRNA and protein expression levels of PPARγ target genes in adipose tissue including adipocyte fatty acid binding protein (ap2), lipoprotein lipase (LPL), uncoupling protein-2 (UCP-2), and glucose-transporter 4 (Glut4) in 3T3-L1 cells was also markedly downregulated (P < 0.05). These findings were anticipated to help develop barley β-glucans based functional food for the management of obesity.
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Affiliation(s)
- Yingying Zhu
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China.,Animal Science Unit, Gembloux Agro-Bio Tech, Univ. of Liège, Passage des Déportés 2, B-5030, Gembloux, Belgium
| | - Yang Yao
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Yue Gao
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China.,Qilu Univ. of Technology, Daxue Road, Western Univ, Science Park, Jinan, Shandong, 250353, P. R. China
| | - Yibo Hu
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Zhenxing Shi
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Guixing Ren
- Inst. of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
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Araújo VB, de Melo AN, de Souza NT, da Silva VM, Castro-Gomez RH, Silva AS, de Souza EL, Magnani M. Oral Intake of Carboxymethyl-Glucan (CM-G) from Yeast (Saccharomyces uvarum) Reduces Malondialdehyde Levels in Healthy Men. Molecules 2015; 20:14950-8. [PMID: 26287149 DOI: 10.3390/molecules200814950] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 08/10/2015] [Accepted: 08/12/2015] [Indexed: 12/12/2022] Open
Abstract
Carboxymethyl-glucan (CM-G) is a water-soluble derivative of β(1→3)(1→6) glucan, a well-known immunostimulant and antioxidant compound. In this experimental, randomized and placebo-controlled study, the effects of oral CM-G intake over a 60-day period on the peripheral blood, cholesterol, glycemic index and malondialdehyde (MDA) levels of healthy men was assessed. The CM-G was obtained from spent brewer’s yeast (S. uvarum) with DS 0.8 and molecular weight of 2.2 × 105 Da. Following CM-G administration, no changes were observed in red and white blood cell, hematocrit, hemoglobin and platelet counts, or in cholesterol and glycemic indices. After 30 days of CM-G administration, the MDA levels decreased significantly (p ≤ 0.05) in men receiving CM-G. The results showed for the first time that CM-G may act as an adjuvant in preventing oxidative damage in healthy humans.
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London LEE, Kumar AHS, Wall R, Casey PG, O'Sullivan O, Shanahan F, Hill C, Cotter PD, Fitzgerald GF, Ross RP, Caplice NM, Stanton C. Exopolysaccharide-producing probiotic Lactobacilli reduce serum cholesterol and modify enteric microbiota in ApoE-deficient mice. J Nutr 2014; 144:1956-62. [PMID: 25320181 DOI: 10.3945/jn.114.191627] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Probiotic bacteria have been associated with a reduction in cardiovascular disease risk, a leading cause of death and disability. OBJECTIVES The aim of this study was to assess the impact of dietary administration of exopolysaccharide-producing probiotic Lactobacillus cultures on lipid metabolism and gut microbiota in apolipoprotein E (apoE)-deficient mice. METHODS First, we examined lipid metabolism in response to dietary supplementation with recombinant β-glucan-producing Lactobacillus paracasei National Food Biotechnology Centre (NFBC) 338 expressing the glycosyltransferase (Gtf) gene from Pediococcus parvulus 2.6 (GTF), and naturally exopolysaccharide-producing Lactobacillus mucosae Dairy Product Culture Collection (DPC) 6426 (DPC 6426) compared with the non-β-glucan-producing isogenic control strain Lactobacillus paracasei NFBC 338 (PNZ) and placebo (15% wt:vol trehalose). Second, we examined the effects on the gut microbiota of dietary administration of DPC 6426 compared with placebo. Probiotic Lactobacillus strains at 1 × 10(9) colony-forming units/d per animal were administered to apoE(-/-) mice fed a high-fat (60% fat)/high-cholesterol (2% wt:wt) diet for 12 wk. At the end of the study, aortic plaque development and serum, liver, and fecal variables involved in lipid metabolism were analyzed, and culture-independent microbial analyses of cecal content were performed. RESULTS Total cholesterol was reduced in serum (P < 0.001; ∼33-50%) and liver (P < 0.05; ∼30%) and serum triglyceride concentrations were reduced (P < 0.05; ∼15-25%) in mice supplemented with GTF or DPC 6426 compared with the PNZ or placebo group, respectively. In addition, dietary intervention with GTF led to increased amounts of fecal cholesterol excretion (P < 0.05) compared with all other groups. Compositional sequencing of the gut microbiota revealed a greater prevalence of Porphyromonadaceae (P = 0.001) and Prevotellaceae (P = 0.001) in the DPC 6426 group and lower proportions of Clostridiaceae (P < 0.05), Peptococcaceae (P < 0.001), and Staphylococcaceae (P < 0.01) compared with the placebo group. CONCLUSION Ingestion of exopolysaccharide-producing lactobacilli resulted in seemingly favorable improvements in lipid metabolism, which were associated with changes in the gut microbiota of mice.
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Affiliation(s)
- Lis E E London
- Alimentary Pharmabiotic Centre, Teagasc, Food Research Centre Moorepark, Fermoy, Cork, Ireland
| | | | | | - Pat G Casey
- Alimentary Pharmabiotic Centre, Department of Microbiology, University College Cork, Cork, Ireland; and
| | - Orla O'Sullivan
- Teagasc, Food Research Centre Moorepark, Fermoy, Cork, Ireland
| | | | - Colin Hill
- Alimentary Pharmabiotic Centre, Department of Microbiology, University College Cork, Cork, Ireland; and
| | - Paul D Cotter
- Alimentary Pharmabiotic Centre, Teagasc, Food Research Centre Moorepark, Fermoy, Cork, Ireland
| | - Gerald F Fitzgerald
- Alimentary Pharmabiotic Centre, Department of Microbiology, University College Cork, Cork, Ireland; and
| | - R Paul Ross
- Alimentary Pharmabiotic Centre, Department of Microbiology, University College Cork, Cork, Ireland; and
| | | | - Catherine Stanton
- Alimentary Pharmabiotic Centre, Teagasc, Food Research Centre Moorepark, Fermoy, Cork, Ireland
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Modak S, Kushner BH, Kramer K, Vickers A, Cheung IY, Cheung NKV. Anti-GD2 antibody 3F8 and barley-derived (1 → 3),(1 → 4)-β- D-glucan: A Phase I study in patients with chemoresistant neuroblastoma. Oncoimmunology 2014; 2:e23402. [PMID: 23802080 PMCID: PMC3661165 DOI: 10.4161/onci.23402] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2012] [Revised: 12/13/2012] [Accepted: 12/21/2012] [Indexed: 12/02/2022] Open
Abstract
β-glucans are complex, naturally-occurring polysaccharides that prime leukocyte dectin and complement receptor 3. Based on our preclinical findings, indicating that oral barley-derived (1 → 3),(1 → 4)-β-D-glucan (BG) synergizes with the murine anti-GD2 antibody 3F8 against neuroblastoma, we conducted a Phase I clinical study to evaluate the safety of this combinatorial regimen in patients affected by chemoresistant neuroblastoma. In this setting, four cohorts of six heavily pre-treated patients bearing recurrent or refractory advanced-stage neuroblastoma were treated with 3F8 plus BG. Each cycle consisted of intravenous 3F8 at a fixed dose of 10 mg/m2/day plus concurrent oral BG, dose-escalated from 10 to 80 mg/Kg/day, for 10 d. Patients who did not develop human anti-mouse antibodies could be treated for up to 4 cycles. Twenty-four patients completed 50 cycles of therapy. All patients completed at least one cycle and were evaluable for the assessment of toxicity and responses. The maximum tolerated dose of BG was not reached, but two patients developed dose-limiting toxicities. These individuals developed grade 4 thrombocytopenia after one cycle of BG at doses of 20 mg/Kg/day and 40 mg/Kg/day, respectively. Platelet counts recovered following the administration of idiopathic thrombocytopenic purpura therapy. There were no other toxicities of grade > 2. Eleven and 13 patients manifested stable and progressive disease, respectively. Thirteen out of 22 patients with pre-treatment positive 123I-MIBG scans demonstrated clinical improvement on semiquantitative scoring. Responses did not correlate with BG dose or with in vitro cytotoxicity. In summary, 3F8 plus BG is well tolerated and shows antineoplastic activity in recurrent or refractory advanced-stage neuroblastoma patients. Further clinical investigation of this novel combinatorial immunotherapeutic regimen is warranted.
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Affiliation(s)
- Shakeel Modak
- Department of Pediatrics; Memorial Sloan-Kettering Cancer Center; New York, NY USA
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Thompson IJ, Oyston PCF, Williamson DE. Potential of the β-glucans to enhance innate resistance to biological agents. Expert Rev Anti Infect Ther 2014; 8:339-52. [DOI: 10.1586/eri.10.10] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Talbott SM, Talbott JA, Talbott TL, Dingler E. β-Glucan supplementation, allergy symptoms, and quality of life in self-described ragweed allergy sufferers. Food Sci Nutr 2014; 1:90-101. [PMID: 24804018 PMCID: PMC3951572 DOI: 10.1002/fsn3.11] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 10/31/2012] [Accepted: 11/06/2012] [Indexed: 12/03/2022] Open
Abstract
This randomized, placebo-controlled, double-blind study compared the effects of daily supplementation for 4 week with 250 mg Wellmune WGP® β-1,3/1,6-Glucan (WGP) with placebo 250 mg/day (rice flour) on physical and psychological health attributes of self-described “moderate” ragweed allergy sufferers. Study participants (mean age = 36 ± 9 year; range 18–53 year) were recruited before the beginning of ragweed season (September) in Northeastern Ohio. Serum IgE concentration, allergy symptoms [via self-report, Visual Analog Scale (VAS), and Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ)], psychological well-being [Profile of Mood States (POMS)], and physical function (RAND SF-36 Medical Outcomes Study) were measured immediately prior to and after supplementation with WGP (n = 24) or placebo (n = 24) for 4 weeks. Data were analyzed using repeated measures analyses of variance (ANOVA). Compared with placebo, WGP reduced total allergy symptoms (28%), symptom severity (52%), and symptom rating on the VAS (37%) (P < 0.05), but had no effect on serum IgE levels. As measured by the POMS, WGP increased participants' rating of vigor (10%), but reduced tension (34%), depression (45%), anger (41%), fatigue (38%), and confusion (34%) (P < 0.05). Study participants given WGP reported increased physical health (11%), energy (19%), and emotional well-being (7%) compared with study participants given the placebo (RAND SF-36 Medical Outcomes Study). The WGP group also reported decreased sleep problems (53%), reduced nasal symptoms (59%), eye symptoms (57%), non-nasal symptoms (50%), activities (53%), emotions (57%), and improved quality of life (QOL) (56%), as well as improved global mood state (13%). Supplementation with WGP for 4 weeks improved allergy symptoms, overall physical health, and emotional well-being compared with placebo in self-described “moderate” ragweed allergy sufferers during ragweed allergy season.
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Seker A, Deger KC, Bostanci EB, Ozer I, Dalgic T, Bilgihan A, Akmansu M, Ekinci O, Ercin U, Akoglu M. Effects of β-glucan on colon anastomotic healing in rats given preoperative irradiation. J INVEST SURG 2013; 27:155-62. [PMID: 24354442 DOI: 10.3109/08941939.2013.865820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Radiation therapy is an essential therapeutic modality in the management of a wide variety of tumors. We aimed to investigate the short-term effects of pelvic irradiation on the healing of colon anastomoses and to determine the potential protective effects of β-glucan in this situation. MATERIAL AND METHODS Sixty Wistar albino rats were randomized into three experimental groups: a control group (n = 20), an irradiation (IR) group (n = 20), and an irradiation+β-glucan (IR+β-glucan) group (n = 20). Only segmental colonic resection and anastomosis were performed on the control group. The IR group underwent the same surgical procedure as the control group 5 days after pelvic irradiation. In the IR+β-glucan group, the same procedure was applied as in the IR group after β-glucan administration. The groups were subdivided into subgroups according to the date of euthanasia (third [n = 10] or seventh [n = 10] postoperative [PO] day), and anastomotic colonic segments were resected to evaluate bursting pressures and biochemical and histopathological parameters. RESULTS Bursting pressure values were significantly lower in the IR group (p < .001). Malondialdehyde (MDA) levels were significantly higher in the IR group, whereas β-glucan significantly decreased MDA levels on the third PO day (p < .001). Granulation tissue formation scores were significantly lower in the IR+β-glucan group compared with the control group and the IR group (p < .001). CONCLUSIONS The results of this study indicate that irradiation has negative effects on the early healing of colon anastomoses. The administration of β-glucan ameliorates these unfavorable effects by altering bursting pressures and biochemical parameters.
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Affiliation(s)
- Ahmet Seker
- 1Department of General Surgery, Faculty of Medicine, Harran University , Sanlıurfa , Turkey
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Túrmina JA, Carraro E, Alves da Cunha MA, Dekker RFH, Barbosa AM, Seidel dos Santos F, Silva LA, Malfatti CRM. Toxicological assessment of β-(1-->6)-glucan (lasiodiplodan) in mice during a 28-day feeding study by gavage. Molecules 2012; 17:14298-309. [PMID: 23208465 PMCID: PMC6268985 DOI: 10.3390/molecules171214298] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2012] [Revised: 11/19/2012] [Accepted: 11/20/2012] [Indexed: 01/12/2023] Open
Abstract
Studies evaluating the toxicity caused by fungal exopolysaccharides of the β-(1-->6)-D-glucan type are rare. In this study, the toxicological effects of sub-chronic treatments with lasiodiplodan (β-(1-->6)-D-glucan from Lasiodiplodia theobromae MMPI) were evaluated in mice through the assessment of biochemical, hematological, and histopathological alterations. Thirty-two mice (16 male, 16 female) were used in this study divided in two groups; one group received lasiodiplodan (50 mg/kg body weight) daily for 28 days via gavage, and another (control group) received saline during the same period. Blood samples were collected via cardiac puncture for hematological and biochemical analyses. Liver, heart, kidney, and spleen were collected for histopathological analysis. Statistical analysis was performed through one-way analysis of variance and only p < 0.05 F-values were presented. Significant reduction in blood glucose in the male group (35%; p < 0.01), transaminases activity in both sexes (AST and ALT; ~35%; p < 0.05), and urea (20%; p < 0.01) in the female group was observed with the lasiodiplodan treatment. The results showed that sub-chronic treatments with lasiodiplodan did not generate hematological and histopathological alterations leading to signs of toxicity in healthy mice, independent of gender.
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Affiliation(s)
- Janaína A. Túrmina
- Pharmaceutical Science and Biodiversity Postgraduate Programs, Midwest State University, Campus CEDETEG, Guarapuava, PR, 85040-080, Brazil; E-Mails: (J.A.T.); (E.C.); (F.S.S.); (L.A.S.)
| | - Emerson Carraro
- Pharmaceutical Science and Biodiversity Postgraduate Programs, Midwest State University, Campus CEDETEG, Guarapuava, PR, 85040-080, Brazil; E-Mails: (J.A.T.); (E.C.); (F.S.S.); (L.A.S.)
| | - Mário A. Alves da Cunha
- Department of Chemistry, Federal Technological University of Parana, Pato Branco, PR, 85503-390, Brazil, E-Mail:
| | - Robert F. H. Dekker
- Biorefining Research Institute, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; E-Mails: (R.F.H.D.); (A.M.B.)
| | - Aneli M. Barbosa
- Biorefining Research Institute, Lakehead University, Thunder Bay, ON P7B 5E1, Canada; E-Mails: (R.F.H.D.); (A.M.B.)
| | - Fábio Seidel dos Santos
- Pharmaceutical Science and Biodiversity Postgraduate Programs, Midwest State University, Campus CEDETEG, Guarapuava, PR, 85040-080, Brazil; E-Mails: (J.A.T.); (E.C.); (F.S.S.); (L.A.S.)
| | - Luiz A. Silva
- Pharmaceutical Science and Biodiversity Postgraduate Programs, Midwest State University, Campus CEDETEG, Guarapuava, PR, 85040-080, Brazil; E-Mails: (J.A.T.); (E.C.); (F.S.S.); (L.A.S.)
| | - Carlos R. M. Malfatti
- Pharmaceutical Science and Biodiversity Postgraduate Programs, Midwest State University, Campus CEDETEG, Guarapuava, PR, 85040-080, Brazil; E-Mails: (J.A.T.); (E.C.); (F.S.S.); (L.A.S.)
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Bays HE, Evans JL, Maki KC, Evans M, Maquet V, Cooper R, Anderson JW. Chitin-glucan fiber effects on oxidized low-density lipoprotein: a randomized controlled trial. Eur J Clin Nutr 2013; 67:2-7. [PMID: 22948945 DOI: 10.1038/ejcn.2012.121] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Background/objectives: Elevated oxidized low-density lipoprotein (OxLDL) may promote inflammation, and is associated with increased risk of atherosclerotic coronary heart disease and worsening complications of diabetes mellitus. The primary objective of this study was to evaluate the efficacy of chitin-glucan (CG), alone and in combination with a potentially anti-inflammatory olive oil (OO) extract, for reducing OxLDL in subjects with borderline to high LDL cholesterol (LDL-C) levels. Subjects/methods: This 6-week, randomized, double-blind, placebo-controlled study of a novel, insoluble fiber derived from the Aspergillus niger mycelium, CG, evaluated 130 subjects free of diabetes mellitus with fasting LDL-C 3.37–4.92 mmol/l and glucose ⩽6.94 mmol/l. Participants were randomly assigned to receive CG (4.5 g/day; n=33), CG (1.5 g/day; n=32), CG (1.5 g/day) plus OO extract (135 mg/day; n=30), or matching placebo (n=35). Results: Administration of 4.5 g/day CG for 6 weeks significantly reduced OxLDL compared with placebo (P=0.035). At the end of study, CG was associated with lower LDL-C levels relative to placebo, although this difference was statistically significant only for the CG 1.5 g/day group (P=0.019). CG did not significantly affect high-density lipoprotein cholesterol, triglycerides, glucose, insulin or F2-isoprostane levels. Adverse events did not substantively differ between treatments and placebo. Conclusions: In this 6-week study, CG (4.5 g/day) reduced OxLDL, an effect that might affect the risk for atherosclerosis.
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Lindström C, Holst O, Hellstrand P, Öste R, Andersson KE. Evaluation of commercial microbial hydrocolloids concerning their effects on plasma lipids and caecal formation of SCFA in mice. Food Hydrocoll 2012. [DOI: 10.1016/j.foodhyd.2012.01.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Yalçın S, Yalçın S, Uzunoğlu K, Duyum H, Eltan Ö. Effects of dietary yeast autolysate (Saccharomyces cerevisiae) and black cumin seed (Nigella sativa L.) on performance, egg traits, some blood characteristics and antibody production of laying hens. Livest Sci 2012. [DOI: 10.1016/j.livsci.2011.12.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zhang Y, Xia L, Pang W, Wang T, Chen P, Zhu B, Zhang J. A novel soluble β-1,3-D-glucan salecan reduces adiposity and improves glucose tolerance in high-fat diet-fed mice. Br J Nutr 2013; 109:254-62. [PMID: 22716316 DOI: 10.1017/S0007114512000980] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Salecan is a recently identified water-soluble viscous extracellular β-1,3-D-glucan polysaccharide from an Agrobacterium species. It is a high-molecular-mass polymer (about 2 × 10⁶ Da) and composed of a linear chain of glucosyl residues linked through a repeat unit of seven β-(1,3) and two α-(1,3) glucosidic bonds. In the present study, we examined the effects of dietary Salecan fed at 2 and 5 % in a high-fat diet (64 % energy) in C57BL/6J mice. After 6 weeks, mice fed 2 and 5 % Salecan had significantly lower body weight, fat mass and percentage of body fat mass compared with those fed a high-fat cellulose (control) diet. Both the Salecan groups significantly and dose-dependently improved glucose tolerance, with a 9 and 26 % reduction of glucose AUC, respectively. Liver and adipose tissue weights were also significantly decreased by the Salecan treatment. Supplementation with 5 % Salecan led to lower serum TAG, total cholesterol (TC) and HDL-cholesterol (52, 18 and 19 %, respectively) and lower hepatic TAG by 56 % and TC by 22 % compared with the high-fat cellulose control group. Dietary Salecan intake caused an obvious elevation of fat in the faeces. Supplementation with Salecan disturbed bile acid-promoted emulsification and reduced the size of emulsion droplets in vitro. These results indicate that Salecan decreases fat absorption, improves glucose tolerance and has biologically important, dose-related effects on reducing high-fat diet-induced obesity.
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Firat C, Samdanci E, Erbatur S, Aytekin AH, Ak M, Turtay MG, Coban YK. β-Glucan treatment prevents progressive burn ischaemia in the zone of stasis and improves burn healing: an experimental study in rats. Burns 2012; 39:105-12. [PMID: 22469518 DOI: 10.1016/j.burns.2012.02.031] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Revised: 02/25/2012] [Accepted: 02/27/2012] [Indexed: 10/28/2022]
Abstract
Saving the zone of stasis is one of the major goals of burn specialists. Increasing the tissue tolerance to ischaemia and inhibiting inflammation have been proposed to enable salvage of this zone. After a burn, excessive inflammation, including increased vascular permeability, local tissue oedema and neutrophil activation, causes local tissue damage by triggering vascular thrombosis and blocking capillaries, resulting in tissue ischaemia and necrosis. Oxygen radicals also contribute to tissue damage after a burn. However, macrophages play a pivotal role in the response to burn. We studied β-glucan because of its many positive systemic effects that are beneficial to burn healing, including immunomodulatory effects, antioxidant effects (free-radical scavenging activity) and effects associated with the reduction of the inflammatory response. There were four test groups in this study with eight rats in each group. Group 1 was the control group, group 2 was administered a local pomade (bacitracin+neomycin sulphate), group 3 received β-glucan (50 mg kg(-1), orally) + the local pomade and group 4 received β-glucan. Burns were created using a brass comb model. Macroscopic, histopathological and statistical assessments were performed. Samples were harvested on the 3rd, 7th and 21 days for analysis. The neutrophilic infiltration into the zone of stasis was analysed on day 3. Macrophage infiltration, fibroblast proliferation, angiogenesis and re-epithelialisation ratios in the zone of stasis were analysed on days 7 and 21. The β-glucan groups (groups 3 and 4) exhibited lower neutrophil counts on the 3rd day, and macrophage infiltration, fibroblast proliferation, angiogenesis and re-epithelialisation were very high in these groups on the 7th day. In particular, re-epithelialisation on the 21st day was significantly better in the β-glucan groups. This study demonstrated that β-glucan may prevent neutrophil-dependent tissue damage and burn-induced oxidative injury through its anti-inflammatory and antioxidant properties. We speculate that the inhibition of neutrophil activation preserves vascular patency by preventing capillary blockage. β-Glucan is also a powerful macrophage stimulator, and is therefore very effective in saving the zone of stasis.
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Affiliation(s)
- Cemal Firat
- Inonu University School of Medicine, Department of Plastic Reconstructive Surgery, Malatya, Turkey.
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El Khoury D, Cuda C, Luhovyy BL, Anderson GH. Beta glucan: health benefits in obesity and metabolic syndrome. J Nutr Metab 2012; 2012:851362. [PMID: 22187640 DOI: 10.1155/2012/851362] [Citation(s) in RCA: 206] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Accepted: 10/27/2011] [Indexed: 12/27/2022] Open
Abstract
Despite the lack of international agreement regarding the definition and classification of fiber, there is established evidence on the role of dietary fibers in obesity and metabolic syndrome. Beta glucan (β-glucan) is a soluble fiber readily available from oat and barley grains that has been gaining interest due to its multiple functional and bioactive properties. Its beneficial role in insulin resistance, dyslipidemia, hypertension, and obesity is being continuously documented. The fermentability of β-glucans and their ability to form highly viscous solutions in the human gut may constitute the basis of their health benefits. Consequently, the applicability of β-glucan as a food ingredient is being widely considered with the dual purposes of increasing the fiber content of food products and enhancing their health properties. Therefore, this paper explores the role of β-glucans in the prevention and treatment of characteristics of the metabolic syndrome, their underlying mechanisms of action, and their potential in food applications.
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Fonseca-García C, López MG, Aréchiga-Carvajal ET, Ruiz-Herrera J. A novel polysaccharide secreted by pal/rim mutants of the phytopathogen fungus Ustilago maydis. Carbohydr Polym 2011. [DOI: 10.1016/j.carbpol.2011.06.077] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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