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Dasriya VL, Samtiya M, Ranveer S, Dhillon HS, Devi N, Sharma V, Nikam P, Puniya M, Chaudhary P, Chaudhary V, Behare PV, Dhewa T, Vemuri R, Raposo A, Puniya DV, Khedkar GD, Vishweswaraiah RH, Vij S, Alarifi SN, Han H, Puniya AK. Modulation of gut-microbiota through probiotics and dietary interventions to improve host health. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:6359-6375. [PMID: 38334314 DOI: 10.1002/jsfa.13370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 02/10/2024]
Abstract
Dietary patterns play an important role in regards to the modulation and control of the gut microbiome composition and function. The interaction between diet and microbiota plays an important role in order to maintain intestinal homeostasis, which ultimately affect the host's health. Diet directly impacts the microbes that inhabit the gastrointestinal tract (GIT), which then contributes to the production of secondary metabolites, such as short-chain fatty acids, neurotransmitters, and antimicrobial peptides. Dietary consumption with genetically modified probiotics can be the best vaccine delivery vector and protect cells from various illnesses. A holistic approach to disease prevention, treatment, and management takes these intrinsically linked diet-microbes, microbe-microbe interactions, and microbe-host interactions into account. Dietary components, such as fiber can modulate beneficial gut microbiota, and they have resulting ameliorative effects against metabolic disorders. Medical interventions, such as antibiotic drugs can conversely have detrimental effects on gut microbiota by disputing the balance between Bacteroides and firmicute, which contribute to continuing disease states. We summarize the known effects of various dietary components, such as fibers, carbohydrates, fatty acids, vitamins, minerals, proteins, phenolic acids, and antibiotics on the composition of the gut microbiota in this article in addition to the beneficial effect of genetically modified probiotics and consequentially their role in regards to shaping human health. © 2024 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
| | - Mrinal Samtiya
- Department of Nutrition Biology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, India
| | - Soniya Ranveer
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | | | - Nishu Devi
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Vikas Sharma
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Pranali Nikam
- College of Dairy Science and Food Technology, Dau Shri Vasudev Chandrakar, Kamdhenu University, Raipur, India
| | - Monica Puniya
- Science and Standards Division, Food Safety and Standards Authority of India, FDA Bhawan, New Delhi, India
| | - Priya Chaudhary
- Microbiology Department, VCSG Government Institute of Medical Science and Research, Srinagar, India
| | - Vishu Chaudhary
- University Institute of Biotechnology, Chandigarh University, Sahibzada Ajit Singh Nagar, India
| | - Pradip V Behare
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Tejpal Dhewa
- Department of Nutrition Biology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, India
| | - Ravichandra Vemuri
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - António Raposo
- CBIOS (Research Center for Biosciences and Health Technologies), Universidade Lusófona de Humanidades e Tecnologias, Lisboa, Portugal
| | - Dharun Vijay Puniya
- Center of One Health, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India
| | - Gulab D Khedkar
- Paul Hebert Center for DNA Barcoding and Biodiversity Studies, Dr Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | | | - Shilpa Vij
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Sehad N Alarifi
- Department of Food and Nutrition Science, Al-Quwayiyah College of Sciences and Humanities, Shaqra University, Shaqraa, Saudi Arabia
| | - Heesup Han
- College of Hospitality and Tourism Management, Sejong University, Seoul, South Korea
| | - Anil Kumar Puniya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
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Liu G, Liu X, Wang F, Jia G, Zhao H, Chen X, Wang J. Effects of Dietary Glutamine Supplementation on the Modulation of Microbiota and Th17/Treg Immune Response Signaling Pathway in Piglets after Lipopolysaccharide Challenge. J Nutr 2024; 154:1711-1721. [PMID: 38367809 DOI: 10.1016/j.tjnut.2024.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/05/2024] [Accepted: 02/13/2024] [Indexed: 02/19/2024] Open
Abstract
BACKGROUND Glutamine (Gln) has an important effect on the growth performance and immune function of piglets. However, the effect of Gln on intestinal immunity in piglets through modulating the signaling pathways of the helper T cells 17 (Th17)/regulatory T cells (Treg) immune response has not been reported. OBJECTIVE This study aimed to determine the effect of Gln on piglet growth performance and immune stress response and its mechanism in piglets. METHODS Twenty-four weaned piglets were randomly assigned to 4 treatments with 6 replicates each, using a 2 × 2 factorial arrangement: diet (basal diet or 1% Gln diet) and immunological challenge [saline or lipopolysaccharide (LPS)]. After 21 d, half of the piglets on the basal diet and 1% Gln diet received the intraperitoneal injection of LPS and the other half received the same volume of normal saline. RESULTS The results showed that Gln increased average daily feed intake and average daily weight gain in comparison with the control group (P < 0.05). Dietary Gln increased the villus height, villus height-to-crypt depth ratio, and the abundance of Bacteroidetes, Lactobacillus sp., and Ruminococcus sp. while reducing the abundance of Firmicutes, Clostridium sensu stricto 1 sp., and Terrisporobacter sp. (P < 0.05). Furthermore, Gln increased the concentration of short-chain fatty acids in the colon and the expression of genes of interleukin (IL)-10, transforming growth factor-beta-1, forkhead box P3 while downregulating the expression of genes of IL-6, IL-8, IL-1β, tumor necrosis factor-α, IL-17A, IL-21, signal transducer and activator of transcription 3, and rar-related orphan receptor c in ileum (P < 0.05). Correlation analysis demonstrated a strong association between colonic microbiota, short-chain fatty acids, and ileal inflammatory cytokines. CONCLUSIONS These results suggest that dietary Gln could improve growth performance and attenuate LPS-challenged intestinal inflammation by modulating microbiota and the Th17/Treg immune response signaling pathway in piglets.
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Affiliation(s)
- Guangmang Liu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China.
| | - Xinlian Liu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China
| | - Fang Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China
| | - Gang Jia
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China
| | - Hua Zhao
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China
| | - Xiaoling Chen
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, Sichuan, China; Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Chengdu, Sichuan, China
| | - Jing Wang
- Maize Research Institute, Sichuan Agricultural University, Chengdu, Sichuan, China
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Duncanson K, Williams G, Hoedt EC, Collins CE, Keely S, Talley NJ. Diet-microbiota associations in gastrointestinal research: a systematic review. Gut Microbes 2024; 16:2350785. [PMID: 38725230 PMCID: PMC11093048 DOI: 10.1080/19490976.2024.2350785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
Interactions between diet and gastrointestinal microbiota influence health status and outcomes. Evaluating these relationships requires accurate quantification of dietary variables relevant to microbial metabolism, however current dietary assessment methods focus on dietary components relevant to human digestion only. The aim of this study was to synthesize research on foods and nutrients that influence human gut microbiota and thereby identify knowledge gaps to inform dietary assessment advancements toward better understanding of diet-microbiota interactions. Thirty-eight systematic reviews and 106 primary studies reported on human diet-microbiota associations. Dietary factors altering colonic microbiota included dietary patterns, macronutrients, micronutrients, bioactive compounds, and food additives. Reported diet-microbiota associations were dominated by routinely analyzed nutrients, which are absorbed from the small intestine but analyzed for correlation to stool microbiota. Dietary derived microbiota-relevant nutrients are more challenging to quantify and underrepresented in included studies. This evidence synthesis highlights advancements needed, including opportunities for expansion of food composition databases to include microbiota-relevant data, particularly for human intervention studies. These advances in dietary assessment methodology will facilitate translation of microbiota-specific nutrition therapy to practice.
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Affiliation(s)
- Kerith Duncanson
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Georgina Williams
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Emily C. Hoedt
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Clare E. Collins
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Simon Keely
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Nicholas J. Talley
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
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Lakshmanan AP, Deola S, Terranegra A. The Promise of Precision Nutrition for Modulation of the Gut Microbiota as a Novel Therapeutic Approach to Acute Graft-versus-host Disease. Transplantation 2023; 107:2497-2509. [PMID: 37189240 PMCID: PMC10664798 DOI: 10.1097/tp.0000000000004629] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/08/2023] [Accepted: 02/20/2023] [Indexed: 05/17/2023]
Abstract
Acute graft-versus-host disease (aGVHD) is a severe side effect of allogeneic hematopoietic stem cell transplantation (aHSCT) that has complex phenotypes and often unpredictable outcomes. The current management is not always able to prevent aGVHD. A neglected actor in the management of aGVHD is the gut microbiota. Gut microbiota dysbiosis after aHSCT is caused by many factors and may contribute to the development of aGVHD. Diet and nutritional status modify the gut microbiota and a wide range of products are now available to manipulate the gut microbiota (pro-, pre-, and postbiotics). New investigations are testing the effect of probiotics and nutritional supplements in both animal models and human studies, with encouraging results. In this review, we summarize the most recent literature about the probiotics and nutritional factors able to modulate the gut microbiota and we discuss the future perspective in developing new integrative therapeutic approaches to reducing the risk of graft-versus-host disease in patients undergoing aHSCT.
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Affiliation(s)
| | - Sara Deola
- Advanced Cell Therapy Core, Research Branch, Sidra Medicine, Qatar
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Fan L, Xia Y, Wang Y, Han D, Liu Y, Li J, Fu J, Wang L, Gan Z, Liu B, Fu J, Zhu C, Wu Z, Zhao J, Han H, Wu H, He Y, Tang Y, Zhang Q, Wang Y, Zhang F, Zong X, Yin J, Zhou X, Yang X, Wang J, Yin Y, Ren W. Gut microbiota bridges dietary nutrients and host immunity. SCIENCE CHINA. LIFE SCIENCES 2023; 66:2466-2514. [PMID: 37286860 PMCID: PMC10247344 DOI: 10.1007/s11427-023-2346-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 04/05/2023] [Indexed: 06/09/2023]
Abstract
Dietary nutrients and the gut microbiota are increasingly recognized to cross-regulate and entrain each other, and thus affect host health and immune-mediated diseases. Here, we systematically review the current understanding linking dietary nutrients to gut microbiota-host immune interactions, emphasizing how this axis might influence host immunity in health and diseases. Of relevance, we highlight that the implications of gut microbiota-targeted dietary intervention could be harnessed in orchestrating a spectrum of immune-associated diseases.
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Affiliation(s)
- Lijuan Fan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Yaoyao Xia
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Youxia Wang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Dandan Han
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yanli Liu
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Jiahuan Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie Fu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Leli Wang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Zhending Gan
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Bingnan Liu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Jian Fu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Congrui Zhu
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Zhenhua Wu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jinbiao Zhao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Hui Han
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yiwen He
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha, 410081, China
| | - Yulong Tang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China
| | - Qingzhuo Zhang
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Yibin Wang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Fan Zhang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China
| | - Xin Zong
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Jie Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
| | - Xihong Zhou
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Xi'an, 712100, China.
| | - Junjun Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
| | - Yulong Yin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, China.
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
| | - Wenkai Ren
- Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, 510642, China.
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Chen Z, Hu Y, Hu FB, Manson JE, Rimm EB, Doria A, Sun Q. Dietary Glutamine and Glutamate in Relation to Cardiovascular Disease Incidence and Mortality in the United States Men and Women with Diabetes Mellitus. J Nutr 2023; 153:3247-3258. [PMID: 37660951 PMCID: PMC10687617 DOI: 10.1016/j.tjnut.2023.08.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/03/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND Evidence regarding the potential health effects of dietary amino acids glutamine and glutamate among individuals with type 2 diabetes (T2D) is limited. OBJECTIVES The aim was to examine dietary glutamine and glutamate in relation to subsequent risk of cardiovascular disease (CVD) and mortality among individuals with T2D. METHODS We prospectively followed 15,040 men and women with T2D at baseline or diagnosed during follow-up (Nurses' Health Study: 1980-2014 and Health Professionals Follow-Up Study: 1986-2018). Diet was repeatedly assessed using validated food frequency questionnaires every 2-4 y. Associations of energy-adjusted glutamine and glutamate intake, as well as their ratio, with CVD risk and mortality, were assessed using Cox proportional-hazards models with adjustments for demographics, dietary and lifestyle factors, and medical history. RESULTS During 196,955 and 225,371 person-years of follow-up in participants with T2D, there were 2927 incident CVD cases and 4898 deaths, respectively. Higher intake of glutamine was associated with lower risk of CVD incidence, CVD mortality, and total mortality: comparing extreme quintiles, the hazard ratios (HRs) (95% confidence intervals [CIs]) were 0.88 (0.77, 0.99), 0.78 (0.65, 0.92), and 0.84 (0.76, 0.92), respectively (all P-trend < 0.05). In contrast, higher intake of glutamate was associated with a higher risk of CVD incidence, CVD mortality, and total mortality; the HRs were 1.30 (1.15, 1.46), 1.46 (1.24, 1.72), and 1.20 (1.09, 1.32), respectively (all P-trend < 0.05). Furthermore, comparing extreme quintiles, a higher dietary glutamine-to-glutamate ratio was associated with a lower risk of CVD incidence (0.84 [0.75, 0.95]), CVD mortality (0.66 [0.57, 0.77]), and total mortality (0.82 [0.75, 0.90]). In addition, compared with participants with stable or decreased consumption of glutamine-to-glutamate ratio from prediabetes to postdiabetes diagnosis, those who increased the ratio had a 17% (5%, 27%) lower CVD mortality. CONCLUSIONS In adults with T2D, dietary glutamine was associated with a lower risk of CVD incidence and mortality, whereas the opposite was observed for glutamate intake.
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Affiliation(s)
- Zhangling Chen
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Yang Hu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Frank B Hu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - JoAnn E Manson
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Eric B Rimm
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Alessandro Doria
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States; Joslin Diabetes Center, Boston, MA, United States
| | - Qi Sun
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States; Joslin Diabetes Center, Boston, MA, United States.
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Zhou X, Zhang J, Sun Y, Shen J, Sun B, Ma Q. Glutamine Ameliorates Liver Steatosis via Regulation of Glycolipid Metabolism and Gut Microbiota in High-Fat Diet-Induced Obese Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15656-15667. [PMID: 37847053 DOI: 10.1021/acs.jafc.3c05566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Obesity and its associated conditions, such as nonalcoholic fatty liver disease (NAFLD), are risk factors for health. The aim of this study was to explore the effects of glutamine (Gln) on liver steatosis induced by a high-fat diet (HFD) and HEPG2 cells induced by oleic acid. Gln demonstrated a positive influence on hepatic homeostasis by suppressing acetyl CoA carboxylase (ACC) and fatty acid synthase (FAS) and promoting sirtuin 1 (SIRT1) expression while improving glucose metabolism by regulating serine/threonine protein kinase (AKT)/factor forkhead box O1 (FOXO1) signals in vivo and in vitro. Obese Gln-fed mice had higher colonic short-chain fatty acid (SCFA) contents and lower inflammation factor protein levels in the liver, HEPG2 cells, and jejunum. Gln-treated obese mice had an effective decrease in Firmicutes abundance. These findings indicate that Gln serves as a nutritional tool in managing obesity and related disorders.
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Affiliation(s)
- Xinbo Zhou
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Junjie Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Yutong Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Jian Shen
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Bo Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Qingquan Ma
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
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Widjaja F, Rietjens IMCM. From-Toilet-to-Freezer: A Review on Requirements for an Automatic Protocol to Collect and Store Human Fecal Samples for Research Purposes. Biomedicines 2023; 11:2658. [PMID: 37893032 PMCID: PMC10603957 DOI: 10.3390/biomedicines11102658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/22/2023] [Accepted: 09/24/2023] [Indexed: 10/29/2023] Open
Abstract
The composition, viability and metabolic functionality of intestinal microbiota play an important role in human health and disease. Studies on intestinal microbiota are often based on fecal samples, because these can be sampled in a non-invasive way, although procedures for sampling, processing and storage vary. This review presents factors to consider when developing an automated protocol for sampling, processing and storing fecal samples: donor inclusion criteria, urine-feces separation in smart toilets, homogenization, aliquoting, usage or type of buffer to dissolve and store fecal material, temperature and time for processing and storage and quality control. The lack of standardization and low-throughput of state-of-the-art fecal collection procedures promote a more automated protocol. Based on this review, an automated protocol is proposed. Fecal samples should be collected and immediately processed under anaerobic conditions at either room temperature (RT) for a maximum of 4 h or at 4 °C for no more than 24 h. Upon homogenization, preferably in the absence of added solvent to allow addition of a buffer of choice at a later stage, aliquots obtained should be stored at either -20 °C for up to a few months or -80 °C for a longer period-up to 2 years. Protocols for quality control should characterize microbial composition and viability as well as metabolic functionality.
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Affiliation(s)
- Frances Widjaja
- Division of Toxicology, Wageningen University & Research, 6708 WE Wageningen, The Netherlands;
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Beaumont M, Roura E, Lambert W, Turni C, Michiels J, Chalvon-Demersay T. Selective nourishing of gut microbiota with amino acids: A novel prebiotic approach? Front Nutr 2022; 9:1066898. [PMID: 36601082 PMCID: PMC9806265 DOI: 10.3389/fnut.2022.1066898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
Prebiotics are dietary substrates which promote host health when utilized by desirable intestinal bacteria. The most commonly used prebiotics are non-digestible oligosaccharides but the prebiotic properties of other types of nutrients such as polyphenols are emerging. Here, we review recent evidence showing that amino acids (AA) could function as a novel class of prebiotics based on: (i) the modulation of gut microbiota composition, (ii) the use by selective intestinal bacteria and the transformation into bioactive metabolites and (iii) the positive impact on host health. The capacity of intestinal bacteria to metabolize individual AA is species or strain specific and this property is an opportunity to favor the growth of beneficial bacteria while constraining the development of pathogens. In addition, the chemical diversity of AA leads to the production of multiple bacterial metabolites with broad biological activities that could mediate their prebiotic properties. In this context, we introduce the concept of "Aminobiotics," which refers to the functional role of some AA as prebiotics. We also present studies that revealed synergistic effects of the co-administration of AA with probiotic bacteria, indicating that AA can be used to design novel symbiotics. Finally, we discuss the difficulty to bring free AA to the distal gut microbiota and we propose potential solutions such as the use of delivery systems including encapsulation to bypass absorption in the small intestine. Future studies will need to further identify individual AA, dose and mode of administration to optimize prebiotic effects for the benefit of human and animal health.
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Affiliation(s)
- Martin Beaumont
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | - Eugeni Roura
- Centre of Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
| | | | - Conny Turni
- Centre for Animal Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Joris Michiels
- Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
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10
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Tian Y, Zuo L, Guan B, Wu H, He Y, Xu Z, Shen M, Hu J, Qian J. Microbiota from patients with ulcerative colitis promote colorectal carcinogenesis in mice. Nutrition 2022; 102:111712. [PMID: 35802940 DOI: 10.1016/j.nut.2022.111712] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 04/15/2022] [Accepted: 04/19/2022] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Long-term ulcerative colitis (UC) is associated with both dysbiosis in intestinal microbiota and predisposition to colorectal cancer. In this study, we investigated whether microbiota from patients with UC could increase colorectal carcinogenesis in mice, generated by azoxymethane through intraperitoneal injection. METHODS Mice were gavaged twice per week with intestinal microbiota from patients with UC or healthy individuals. Intestinal tissues were collected from mice and compared by histology, immunohistochemistry, expression microarray, quantitative polymerase chain reaction, Western blot, and flow cytometry analyses. Quantification of bacteria in feces was performed using 16 S ribosomal RNA gene selective quantitative polymerase chain reaction. RESULTS Compared with mice fed microbiota from healthy controls, increased tumorigenesis was observed in mice gavaged with microbiota from patients with UC, including a higher number of colon adenoma and a significantly higher proportion of grade dysplasia. Consistent with tumorigenesis, mice gavaged with microbiota from patients with UC showed an increased expression of Ki67 and proliferating cell nuclear antigen. In addition, an increased expression of cytokines and more abundant presence of T helper cells types 1 and 17 was observed in mice receiving microbiota from patients with UC. Moreover, a decrease in the abundance of short-chain fatty acids was detected in the feces, as well as an altered intestinal microbial composition in mice fed with microbiota from patients with UC. CONCLUSIONS Fecal microbiota from patients with UC exacerbate tumorigenesis in mice. The disturbance of intestinal microbiota and activation of T helper cells types 1 and 17 cytokines caused by gavaging microbiota from patients with UC both contributed to intestinal carcinogenesis.
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Affiliation(s)
- Yun Tian
- Department of Oncology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
| | - Lugen Zuo
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China
| | - Bing Guan
- Department of Pathology, Shanghai Sixth People's Hospital Jinshan Branch, Shanghai, China
| | - Huatao Wu
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Yifan He
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Zilong Xu
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Mengdi Shen
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Jianguo Hu
- Anhui Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China; Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Jun Qian
- Department of Oncology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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11
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He Y, Song Z, Ji Y, Tso P, Wu Z. Preventive Effects of l-Glutamine on High-Fat Diet-Induced Metabolic Disorders Linking with Regulation of Intestinal Barrier Integrity, Hepatic Lipid Metabolism, and Gut Microbiota in Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11923-11934. [PMID: 36122193 DOI: 10.1021/acs.jafc.2c01975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The present study was conducted to investigate the effects of l-glutamine (Gln) on a high-fat diet (HFD)-induced lipid metabolic abnormality and explore its possible mechanisms. The results demonstrated that Gln administration reduced body weight, improved serum lipids, and decreased glucose tolerance in HFD-fed rats. Meanwhile, Gln administration alleviated liver injury, reduced the hepatic inflammatory response by inhibiting NLRP3 inflammasome activation, and decreased hepatic lipid accumulation by promoting VLDL secretion and fatty acid β-oxidation, as well as reduced bile acid synthesis by activating hepatic and ileal FXR in HFD-fed rats. Moreover, Gln administration restored HFD-induced intestinal barrier dysfunction, promoted intestinal fat absorption, suppressed intestinal inflammation, and also reshaped the gut microbiota composition in HFD-fed rats by downregulating the abundance of potential pathogens Escherichia-Shigella and upregulating the abundance of beneficial bacteria such as Akkermansia. To conclude, the present results showed that Gln may be a potential option for preventing HFD-induced metabolic disorders via the gut-liver axis.
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Affiliation(s)
- Yu He
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Zhuan Song
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Yun Ji
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Patrick Tso
- Department of Pathology and Laboratory Medicine, Metabolic Diseases Institute, University of Cincinnati, Cincinnati, 2120 E. Galbraith Road, Building A, Cincinnati, Ohio 45237, United States
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
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12
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Xie H, Chen Z, Feng X, Wang M, Luo Y, Wang Y, Xu P. L-theanine exuded from Camellia sinensis roots regulates element cycling in soil by shaping the rhizosphere microbiome assembly. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 837:155801. [PMID: 35561922 DOI: 10.1016/j.scitotenv.2022.155801] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 05/04/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Root exudate metabolites are a key medium for the interaction between plants and soil microbiota. L-theanine is a unique non-protein amino acid critical for the flavor and potential health benefits of tea products; however, its biological function in tea plants is not well understood. As L-theanine is mainly synthesized in the roots of tea plants, we hypothesized that L-theanine could affect the function of the rhizosphere microbiota by modulating microbial assembly. In the present study, L-theanine was detected in the exudates of tea plant roots using liquid chromatography-mass spectrometry. Additionally, 16S rRNA gene sequencing revealed that L-theanine significantly altered the structure of the rhizosphere microbiota and selectively shaped rhizosphere microbial assembly. Moreover, metagenomic data showed that L-theanine affected the abundance of genes encoding element cycling in soil. Interestingly, the denitrification and complete nitrification pathways were significantly inhibited by L-theanine by decreasing the narH, napA, and napB genes abundance. These findings provide new insights into the biological function of L-theanine, as well as the implications of interactions between tea plant root exudates and the rhizosphere microbiome.
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Affiliation(s)
- Hengtong Xie
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China
| | - Zimeng Chen
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China
| | - Xiaoxiao Feng
- Agricultural Experiment Station, Zhejiang University, Hangzhou 310058, China
| | - Mengcen Wang
- Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture, Zhejiang University, Hangzhou 310058, China
| | - Yu Luo
- Institute of Soil & Water Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Yuefei Wang
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China
| | - Ping Xu
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China.
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Impact of Clarified Apple Juices with Different Processing Methods on Gut Microbiota and Metabolomics of Rats. Nutrients 2022; 14:nu14173488. [PMID: 36079746 PMCID: PMC9460580 DOI: 10.3390/nu14173488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/09/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022] Open
Abstract
The consumption of processed foods has increased compared to that of fresh foods in recent years, especially due to the coronavirus disease 2019 pandemic. Here, we evaluated the health effects of clarified apple juices (CAJs, devoid of pectin and additives) processed to different degrees, including not-from-concentrate (NFC) and from-concentrate (FC) CAJs. A 56-day experiment including a juice-switch after 28 days was designed. An integrated analysis of 16S rRNA sequencing and untargeted metabolomics of cecal content were performed. In addition, differences in the CAJs tested with respect to nutritional indices and composition of small-molecule compounds were analyzed. The NFC CAJ, which showed a higher phenolic content resulting from the lower processing degree, could improve microbiota diversity and influence its structure. It also reduced bile acid and bilirubin contents, as well as inhibited the microbial metabolism of tryptophan in the gut. However, we found that these effects diminished with time by performing experiment extension and undertaking juice-switching. Our study provides evidence regarding the health effects of processed foods that can potentially be applied to public health policy decision making. We believe that NFC juices with a lower processing degree could potentially be healthier than FC juice.
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14
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Dollet L, Kuefner M, Caria E, Rizo-Roca D, Pendergrast L, Abdelmoez AM, Karlsson HK, Björnholm M, Dalbram E, Treebak JT, Harada J, Näslund E, Rydén M, Zierath JR, Pillon NJ, Krook A. Glutamine Regulates Skeletal Muscle Immunometabolism in Type 2 Diabetes. Diabetes 2022; 71:624-636. [PMID: 35040927 PMCID: PMC8965677 DOI: 10.2337/db20-0814] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/23/2021] [Indexed: 11/23/2022]
Abstract
Dysregulation of skeletal muscle metabolism influences whole-body insulin sensitivity and glucose homeostasis. We hypothesized that type 2 diabetes-associated alterations in the plasma metabolome directly contribute to skeletal muscle immunometabolism and the subsequent development of insulin resistance. To this end, we analyzed the plasma and skeletal muscle metabolite profile and identified glutamine as a key amino acid that correlates inversely with BMI and insulin resistance index (HOMA-IR) in men with normal glucose tolerance or type 2 diabetes. Using an in vitro model of human myotubes and an in vivo model of diet-induced obesity and insulin resistance in male mice, we provide evidence that glutamine levels directly influence the inflammatory response of skeletal muscle and regulate the expression of the adaptor protein GRB10, an inhibitor of insulin signaling. Moreover, we demonstrate that a systemic increase in glutamine levels in a mouse model of obesity improves insulin sensitivity and restores glucose homeostasis. We conclude that glutamine supplementation may represent a potential therapeutic strategy to prevent or delay the onset of insulin resistance in obesity by reducing inflammatory markers and promoting skeletal muscle insulin sensitivity.
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Affiliation(s)
- Lucile Dollet
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Michael Kuefner
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Elena Caria
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - David Rizo-Roca
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Logan Pendergrast
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Ahmed M. Abdelmoez
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Håkan K.R. Karlsson
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Marie Björnholm
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Emilie Dalbram
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jonas T. Treebak
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jun Harada
- Cardiovascular-Metabolics Research Laboratories, Daiichi Sankyo Co., Ltd, Tokyo, Japan
| | - Erik Näslund
- Division of Surgery, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Mikael Rydén
- Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Juleen R. Zierath
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Integrative Physiology, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Nicolas J. Pillon
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Anna Krook
- Integrative Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Corresponding author: Anna Krook,
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Socioeconomic disparities and household crowding in association with the fecal microbiome of school-age children. NPJ Biofilms Microbiomes 2022; 8:10. [PMID: 35241676 PMCID: PMC8894399 DOI: 10.1038/s41522-022-00271-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 01/28/2022] [Indexed: 11/08/2022] Open
Abstract
The development of the gut microbiome occurs mainly during the first years of life; however, little is known on the role of environmental and socioeconomic exposures, particularly within the household, in shaping the microbial ecology through childhood. We characterized differences in the gut microbiome of school-age healthy children, in association with socioeconomic disparities and household crowding. Stool samples were analyzed from 176 Israeli Arab children aged six to nine years from three villages of different socioeconomic status (SES). Sociodemographic data were collected through interviews with the mothers. We used 16 S rRNA gene sequencing to characterize the gut microbiome, including an inferred analysis of metabolic pathways. Differential analysis was performed using the analysis of the composition of microbiomes (ANCOM), with adjustment for covariates. An analysis of inferred metagenome functions was performed implementing PICRUSt2. Gut microbiome composition differed across the villages, with the largest difference attributed to socioeconomic disparities, with household crowding index being a significant explanatory variable. Living in a low SES village and high household crowding were associated with increased bacterial richness and compositional differences, including an over-representation of Prevotella copri and depleted Bifidobacterium. Secondary bile acid synthesis, d-glutamine and d-glutamate metabolism and Biotin metabolism were decreased in the lower SES village. In summary, residential SES is a strong determinant of the gut microbiome in healthy school-age children, mediated by household crowding and characterized by increased bacterial richness and substantial taxonomic and metabolic differences. Further research is necessary to explore possible implications of SES-related microbiome differences on children's health and development.
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16
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Liu H, Li X, Zhu Y, Huang Y, Zhang Q, Lin S, Fang C, Li L, Lv Y, Mei W, Peng X, Yin J, Liu L. Effect of Plant-Derived n-3 Polyunsaturated Fatty Acids on Blood Lipids and Gut Microbiota: A Double-Blind Randomized Controlled Trial. Front Nutr 2022; 9:830960. [PMID: 35223959 PMCID: PMC8873928 DOI: 10.3389/fnut.2022.830960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 01/21/2022] [Indexed: 12/29/2022] Open
Abstract
Background Several cardioprotective mechanisms attributed to n-3 polyunsaturated fatty acids (PUFAs) have been widely documented. Significant interest has recently focused on the role of human gut microbiota in metabolic disorders. However, the role of plant-derived n-3 PUFAs on blood lipid profiles is controversial and the effect on gut microbiota is still unclear. Objectives We aimed to perform a double-blind randomized controlled trial to test the effect of plant-derived n-3 PUFAs on the blood lipids and gut microbiota of patients with marginal hyperlipidemia. Methods According to the inclusion and exclusion criteria, 75 participants with marginal hyperlipidemia were randomly assigned to the intervention group (supplied with n-3 PUFA-enriched plant oil) or control group (supplied with corn oil), respectively, for a 3-month treatment. Participants and assessors were blinded to the allocation. The primary outcomes of the trial were the changes in serum lipid levels. Secondary outcomes were changes in gut microbiota and metabolites. For the primary outcomes, we conducted both an intent-to-treat (ITT) analysis and a per protocol (PP) analysis. For the secondary outcomes, we only conducted the PP analysis among the participants who provided fecal sample. Results Fifty-one participants completed the trial. Relative to the control group, the n-3 PUFA supplementation resulted in significant reduction in total cholesterol (TC) levels (−0.43 mmol/L, 95% CI−0.84 to−0.01 mmol/L, P < 0.05). The n-3 PUFA supplementation was also associated with significantly increased relative abundance of Bacteroidetes in phylum level (P < 0.01; false discovery rate (FDR) corrected p = 0.11), and decreased the ratio between Firmicutes and Bacteroidetes (P < 0.05; FDR corrected p = 0.16). At genus level, the intervention of plant derived n-3 PUFAs resulted in a significant decrease in relative abundance of Phascolarctobacterium (P < 0.01; FDR corrected p = 0.18) and Veillonella (P < 0.01; FDR corrected p = 0.18) after the intervention. Conclusions Our results demonstrated that plant-derived n-3 PUFAs beneficially affected the serum levels of TC and decreased the ratio between Firmicutes and Bacteroidetes during the 12-week intervention period, which might confer advantageous consequences for lipid metabolism and intestinal health.
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Affiliation(s)
- Hongjie Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoqin Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yalun Zhu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yue Huang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qin Zhang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shan Lin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Can Fang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Linyan Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanling Lv
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenhua Mei
- Zhuhai Center for Disease Control and Prevention, Zhuhai, China
| | - Xiaolin Peng
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Shenzhen Nanshan Centre for Chronic Disease Control, Shenzhen, China
| | - Jiawei Yin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Jiawei Yin
| | - Liegang Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Liegang Liu
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Han X, Guo J, Qin Y, Huang W, You Y, Zhan J. Dietary regulation of the SIgA-gut microbiota interaction. Crit Rev Food Sci Nutr 2022; 63:6379-6392. [PMID: 35125055 DOI: 10.1080/10408398.2022.2031097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Gut microbiota (GM) is essential for host health, and changes in the GM are related to the development of various diseases. Recently, secretory immunoglobulin A (SIgA), the most abundant immunoglobulin isotype in the intestinal mucosa, has been found to play an essential role in controlling GM. SIgA dysfunction can lead to changes in the GM and is associated with the development of various GM-related diseases. Although in early stage, recent studies have shown that assorted dietary interventions, including vitamins, amino acids, fatty acids, polyphenols, oligo/polysaccharides, and probiotics, can influence the intestinal SIgA response and SIgA-GM interaction. Dietary intervention can enhance the SIgA response by directly regulating it (from top to bottom) or by regulating the GM structure or gene expression (from bottom to top). Furthermore, intensive studies involving the particular influence of dietary intervention on SIgA-binding to the GM and SIgA repertoire and the precise regulation of the SIgA response via dietary intervention are still exceedingly scarce and merit further consideration. This review summarizes the existing knowledge and (possible) mechanisms of the influence of dietary intervention on the SIgA-GM interaction. Key issues are considered, and the approaches in addressing these issues in future studies are also discussed.
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Affiliation(s)
- Xue Han
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Department of Physiology and Pathophysiology, Peking University Health Science Center, Beijing
| | - Jielong Guo
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Yue Qin
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Weidong Huang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Yilin You
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Jicheng Zhan
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
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18
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Dhaher R, Chen EC, Perez E, Rapuano A, Sandhu MRS, Gruenbaum SE, Deshpande K, Dai F, Zaveri HP, Eid T. Oral glutamine supplementation increases seizure severity in a rodent model of mesial temporal lobe epilepsy. Nutr Neurosci 2022; 25:64-69. [PMID: 31900092 PMCID: PMC8970572 DOI: 10.1080/1028415x.2019.1708568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background: Glutamine synthetase (GS) is the only enzyme known to synthesize significant amounts of glutamine in mammals, and loss of GS in the hippocampus has been implicated in the pathophysiology of medication refractory mesial temporal lobe epilepsy (MTLE). Moreover, loss-of-function mutations of the GS gene causes severe epileptic encephalopathy, and supplementation with glutamine has been shown to normalize EEG and possibly improve the outcome in these patients. Here we examined whether oral glutamine supplementation is an effective treatment for MTLE by assessing the frequency and severity of seizures after supplementation in a translationally relevant model of the disease.Methods: Male Sprague Dawley rats (380-400 g) were allowed to drink unlimited amounts of glutamine in water (3.6% w/v; n = 8) or pure water (n = 8) for several weeks. Ten days after the start of glutamine supplementation, GS was chronically inhibited in the hippocampus to induce MTLE. Continuous video-intracranial EEG was collected for 21 days to determine the frequency and severity of seizures.Results: While there was no change in seizure frequency between the groups, the proportion of convulsive seizures was significantly higher in glutamine treated animals during the first three days of GS inhibition.Conclusion: The results suggest that oral glutamine supplementation transiently increases seizure severity in the initial stages of an epilepsy model, indicating a potential role of the amino acid in seizure propagation and epileptogenesis.
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Affiliation(s)
- Roni Dhaher
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT 06520, USA,Correspondence Roni Dhaher, PhD, Associate Research Scientist in Neurosurgery, Yale School of Medicine, 330 Cedar St., P.O. Box 208035, New Haven, CT 06520-8035, USA, Fax: +1-203-688-8597,
| | - Eric C. Chen
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Edgar Perez
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Amedeo Rapuano
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT 06520, USA
| | | | - Shaun E. Gruenbaum
- Department of Anesthesiology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Ketaki Deshpande
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Feng Dai
- Department of Biostatistics, Yale School of Medicine, New Haven, CT 06520, USA
| | - Hitten P. Zaveri
- Department of Neurology, Yale School of Medicine, New Haven, CT 06520, USA
| | - Tore Eid
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT 06520, USA
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19
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Xie F, Liu Z, Liu M, Chen L, Ding W, Zhang H. Amino Acids Regulate Glycolipid Metabolism and Alter Intestinal Microbial Composition. Curr Protein Pept Sci 2021; 21:761-765. [PMID: 32072901 DOI: 10.2174/1389203721666200219100216] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 07/19/2019] [Accepted: 08/14/2019] [Indexed: 12/17/2022]
Abstract
Amino acids (AAs) and their metabolites regulate key metabolic pathways that are necessary for growth, reproduction, immunity and metabolism of the body. It has been convinced that metabolic diseases are closely related to disorders of glycolipid metabolism. A growing number of studies have shown that AAs are closely related to energy metabolism. This review focuses on the effects of amino acids (arginine, branched-chain amino acids, glutamine) and their metabolites (short chain fatty acids) on glycolipid metabolism by regulating PI3K/AKT/mTOR and AMPK signaling pathways and GPCRs receptors, reducing intestinal Firmicutes/Bacteroidetes ratio associated with obesity.
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Affiliation(s)
- Fei Xie
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences,
Beijing 100193, China
| | - Zhengqun Liu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences,
Beijing 100193, China
| | - Ming Liu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences,
Beijing 100193, China
| | - Liang Chen
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences,
Beijing 100193, China
| | - Wei Ding
- Department of Gerontology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Hongfu Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences,
Beijing 100193, China
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20
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Xu B, Yan Y, Yin B, Zhang L, Qin W, Niu Y, Tang Y, Zhou S, Yan X, Ma L. Dietary glycyl-glutamine supplementation ameliorates intestinal integrity, inflammatory response, and oxidative status in association with the gut microbiota in LPS-challenged piglets. Food Funct 2021; 12:3539-3551. [PMID: 33900316 DOI: 10.1039/d0fo03080e] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
During weaning transition, mammalian newborns suffer severe enteric infections and thus induced gut microbiota dysbiosis, which in turn aggravates enteric disorder. The synthetic dipeptide glycyl-glutamine (GlyGln) has been used as a diet supplement to improve the weaning transition of newborns. However, the effect of dietary GlyGln supplementation on the gut microbiota of piglets with enteric infection remains unclear. Here, weaned piglets received a basal diet or a basal diet supplemented with 0.25% GlyGln for 3 weeks. Five piglets in each group received an intraperitoneal injection of lipopolysaccharide (LPS) (100 μg per kg BW) (LPS and GlyGln + LPS groups) and meanwhile five piglets in a control group received an intraperitoneal injection of saline (Ctrl group). The results showed that dietary GlyGln supplementation improved the LPS induced inflammation response and damage to the ileum morphology by increasing interleukin 10, tight junction proteins, villus height, and the ratio villus height/crypt depth, but decreasing the crypt depth. For the oxidative status, dietary GlyGln supplementation increased the ileal superoxide dismutase and meanwhile reduced the malondialdehyde and nitric oxide synthase activity (NOS) (total NOS and inducible NOS), compared with that in the LPS group. LPS challenge reduced the diversity of gut microbiota and enriched the facultative anaerobic Escherichia coli. The GlyGln restored alpha diversity and the structure of the gut microbiota by enriching obligate anaerobes and short-chain fatty acid (SCFA)-producing bacteria, including Clostridium, Lachnospira, Phascolarctobacterium, Roseburia, Lachnospiraceae, and Synergistetes. GlyGln enriched the gut microbiota function of carbohydrate metabolism and elevated the ileal SCFA concentrations of propionic acid and butyric acid that had been decreased by the LPS challenge. The beneficial effects of dietary GlyGln supplementation are closely associated with its enriched bacteria and SCFAs. Taken together, dietary GlyGln supplementation improved the gut microbiota dysbiosis induced by LPS challenge and enriched obligate anaerobes and SCFA-producing bacteria, which contributed to the amelioration of intestinal integrity, inflammatory responses, and oxidative status.
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Affiliation(s)
- Baoyang Xu
- State Key Laboratory of Agricultural Microbiology, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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21
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Crovesy L, El-Bacha T, Rosado EL. Modulation of the gut microbiota by probiotics and symbiotics is associated with changes in serum metabolite profile related to a decrease in inflammation and overall benefits to metabolic health: a double-blind randomized controlled clinical trial in women with obesity. Food Funct 2021; 12:2161-2170. [PMID: 33565558 DOI: 10.1039/d0fo02748k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Modulation of the gut microbiota may help in treating obesity by improving host metabolic health. We aimed to evaluate the effects of probiotics or symbiotics on body weight and serum metabolite profile in women with obesity. A double-blind, parallel, randomized, controlled clinical trial was conducted with 32 adult women with body mass index ranging from 30 to 34.9 kg m-2. Volunteers followed a low-energy diet and were subjected to 8 weeks intervention: probiotic group (PG - Bifidobacterium lactis UBBLa-70, n = 10), symbiotic group (SG - Bifidobacterium lactis UBBLa-70 and fructooligosaccharide, n = 11), or control group (CG - placebo, n = 11). Analyses of anthropometric variables, gut microbiota and serum metabolites by 1H nuclear magnetic resonance (NMR) were performed at baseline and after the intervention. Multivariate statistics showed that all groups presented a decrease in glycerol and increase in arginine, glutamine and 2-oxoisovalerate. Therefore, a low-energy diet per se promoted changes in the metabolite profile related to decreased inflammation and positive effects on body weight. SG presented unique changes in metabolites (increase in pyruvate and alanine and decrease in citrate and BCAA). Negative correlations between arginine and glutamine with fat mass were observed in the SG. PG presented a decrease in 1H NMR lipid signals and negative correlation between Verrucomicrobia and Firmicutes with (CH2)n lipids. Both probiotics and symbiotics promoted changes in metabolites related to improved metabolic health. Specific metabolite changes following symbiotic intervention might suggest some advantage in providing Bifidobacterium lactis in combination with fructooligosaccharide in a low-energy diet, rather than probiotics or diet alone. Clinical trial: NCT02505854.
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Affiliation(s)
- Louise Crovesy
- Department of Nutrition and Dietetics (DND), Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro - RJ, Brazil.
| | - Tatiana El-Bacha
- Lebiome - Núcleo de estudos com bioativos, Mitocôndria e metabolismo da placenta, Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro - RJ, Brazil
| | - Eliane Lopes Rosado
- Department of Nutrition and Dietetics (DND), Institute of Nutrition Josué de Castro, Federal University of Rio de Janeiro, Rio de Janeiro - RJ, Brazil.
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22
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Deters BJ, Saleem M. The role of glutamine in supporting gut health and neuropsychiatric factors. FOOD SCIENCE AND HUMAN WELLNESS 2021. [DOI: 10.1016/j.fshw.2021.02.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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23
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Micó-Carnero M, Rojano-Alfonso C, Álvarez-Mercado AI, Gracia-Sancho J, Casillas-Ramírez A, Peralta C. Effects of Gut Metabolites and Microbiota in Healthy and Marginal Livers Submitted to Surgery. Int J Mol Sci 2020; 22:E44. [PMID: 33375200 PMCID: PMC7793124 DOI: 10.3390/ijms22010044] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/18/2020] [Accepted: 12/20/2020] [Indexed: 12/12/2022] Open
Abstract
Microbiota is defined as the collection of microorganisms within the gastrointestinal ecosystem. These microbes are strongly implicated in the stimulation of immune responses. An unbalanced microbiota, termed dysbiosis, is related to the development of several liver diseases. The bidirectional relationship between the gut, its microbiota and the liver is referred to as the gut-liver axis. The translocation of bacterial products from the intestine to the liver induces inflammation in different cell types such as Kupffer cells, and a fibrotic response in hepatic stellate cells, resulting in deleterious effects on hepatocytes. Moreover, ischemia-reperfusion injury, a consequence of liver surgery, alters the microbiota profile, affecting inflammation, the immune response and even liver regeneration. Microbiota also seems to play an important role in post-operative outcomes (i.e., liver transplantation or liver resection). Nonetheless, studies to determine changes in the gut microbial populations produced during and after surgery, and affecting liver function and regeneration are scarce. In the present review we analyze and discuss the preclinical and clinical studies reported in the literature focused on the evaluation of alterations in microbiota and its products as well as their effects on post-operative outcomes in hepatic surgery.
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Affiliation(s)
- Marc Micó-Carnero
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
| | - Carlos Rojano-Alfonso
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
| | - Ana Isabel Álvarez-Mercado
- Departamento de Bioquímica y Biología Molecular II, Escuela de Farmacia, Universidad de Granada, 18071 Granada, Spain;
- Institut of Nutrition and Food Technology “José Mataix”, Center of Biomedical Research, University of Granada, 18016 Granada, Spain
- Instituto de Investigación Biosanitaria ibs, GRANADA, Complejo Hospitalario Universitario de Granada, 18014 Granada, Spain
| | - Jordi Gracia-Sancho
- Liver Vascular Biology Research Group, Barcelona Hepatic Hemodynamic Laboratory IDIBAPS, 03036 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 08036 Barcelona, Spain
| | - Araní Casillas-Ramírez
- Hospital Regional de Alta Especialidad de Ciudad Victoria “Bicentenario 2010”, Ciudad Victoria 87087, Mexico;
- Facultad de Medicina e Ingeniería en Sistemas Computacionales de Matamoros, Universidad Autónoma de Tamaulipas, Matamoros 87300, Mexico
| | - Carmen Peralta
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (M.M.-C.); (C.R.-A.)
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24
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Ilich JZ. Nutritional and Behavioral Approaches to Body Composition and Low-Grade Chronic Inflammation Management for Older Adults in the Ordinary and COVID-19 Times. Nutrients 2020; 12:E3898. [PMID: 33419325 PMCID: PMC7767148 DOI: 10.3390/nu12123898] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/13/2022] Open
Abstract
As more insight is gained into personalized health care, the importance of personalized nutritional and behavioral approaches is even more relevant in the COVID-19 era, in addition to the need for further elucidation regarding several diseases/conditions. One of these concerning body composition (in this context; bone, lean and adipose tissue) is osteosarcopenic adiposity (OSA) syndrome. OSA occurs most often with aging, but also in cases of some chronic diseases and is exacerbated with the presence of low-grade chronic inflammation (LGCI). OSA has been associated with poor nutrition, metabolic disorders and diminished functional abilities. This paper addresses various influences on OSA and LGCI, as well as their mutual action on each other, and provides nutritional and behavioral approaches which could be personalized to help with either preventing or managing OSA and LGCI in general, and specifically in the time of the COVID-19 pandemic. Addressed in more detail are nutritional recommendations for and roles of macro- and micronutrients and bioactive food components; the microbiome; and optimal physical activity regimens. Other issues, such as food insecurity and nutritional inadequacy, circadian misalignment and shift workers are addressed as well. Since there is still a lack of longer-term primary studies in COVID-19 patients (either acute or recovered) and interventions for OSA improvement, this discussion is based on the existing knowledge, scientific hypotheses and observations derived from similar conditions or studies just being published at the time of this writing.
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Affiliation(s)
- Jasminka Z Ilich
- Institute for Successful Longevity, Florida State University, Tallahassee, FL 32306, USA
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25
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Associations between untargeted plasma metabolomic signatures and gut microbiota composition in the Milieu Intérieur population of healthy adults. Br J Nutr 2020; 126:982-992. [PMID: 33298217 DOI: 10.1017/s0007114520004870] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Host-microbial co-metabolism products are being increasingly recognised to play important roles in physiological processes. However, studies undertaking a comprehensive approach to consider host-microbial metabolic relationships remain scarce. Metabolomic analysis yielding detailed information regarding metabolites found in a given biological compartment holds promise for such an approach. This work aimed to explore the associations between host plasma metabolomic signatures and gut microbiota composition in healthy adults of the Milieu Intérieur study. For 846 subjects, gut microbiota composition was profiled through sequencing of the 16S rRNA gene in stools. Metabolomic signatures were generated through proton NMR analysis of plasma. The associations between metabolomic variables and α- and β-diversity indexes and relative taxa abundances were tested using multi-adjusted partial Spearman correlations, permutational ANOVA and multivariate associations with linear models, respectively. A multiple testing correction was applied (Benjamini-Hochberg, 10 % false discovery rate). Microbial richness was negatively associated with lipid-related signals and positively associated with amino acids, choline, creatinine, glucose and citrate (-0·133 ≤ Spearman's ρ ≤ 0·126). Specific associations between metabolomic signals and abundances of taxa were detected (twenty-five at the genus level and nineteen at the species level): notably, numerous associations were observed for creatinine (positively associated with eleven species and negatively associated with Faecalibacterium prausnitzii). This large-scale population-based study highlights metabolites associated with gut microbial features and provides new insights into the understanding of complex host-gut microbiota metabolic relationships. In particular, our results support the implication of a 'gut-kidney axis'. More studies providing a detailed exploration of these complex interactions and their implications for host health are needed.
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The Possible Importance of Glutamine Supplementation to Mood and Cognition in Hypoxia from High Altitude. Nutrients 2020; 12:nu12123627. [PMID: 33255790 PMCID: PMC7760805 DOI: 10.3390/nu12123627] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/09/2020] [Accepted: 11/13/2020] [Indexed: 11/16/2022] Open
Abstract
Hypoxia induced by low O2 pressure is responsible for several physiological and behavioral alterations. Changes in physiological systems are frequent, including inflammation and psychobiological declines such as mood and cognition worsening, resulting in increased reaction time, difficulty solving problems, reduced memory and concentration. The paper discusses the possible relationship between glutamine supplementation and worsening cognition mediated by inflammation induced by high altitude hypoxia. The paper is a narrative literature review conducted to verify the effects of glutamine supplementation on psychobiological aspects. We searched MEDLINE/PubMed and Web of Science databases and gray literature by Google Scholar for English articles. Mechanistic pathways mediated by glutamine suggest potential positive effects of its supplementation on mood and cognition, mainly its potential effect on inflammation. However, clinical studies are scarce, making any conclusions impossible. Although glutamine plays an important role and seems to mitigate inflammation, clinical studies should test this hypothesis, which will contribute to a better mood and cognition state for several people who suffer from problems mediated by hypoxia.
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27
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Atypical immunometabolism and metabolic reprogramming in liver cancer: Deciphering the role of gut microbiome. Adv Cancer Res 2020; 149:171-255. [PMID: 33579424 DOI: 10.1016/bs.acr.2020.10.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Hepatocellular carcinoma (HCC) is the fourth leading cause of cancer-related mortality worldwide. Much recent research has delved into understanding the underlying molecular mechanisms of HCC pathogenesis, which has revealed to be heterogenous and complex. Two major hallmarks of HCC include: (i) a hijacked immunometabolism and (ii) a reprogramming in metabolic processes. We posit that the gut microbiota is a third component in an entanglement triangle contributing to HCC progression. Besides metagenomic studies highlighting the diagnostic potential in the gut microbiota profile, recent research is pinpointing the gut microbiota as an instigator, not just a mere bystander, in HCC. In this chapter, we discuss mechanistic insights on atypical immunometabolism and metabolic reprogramming in HCC, including the examination of tumor-associated macrophages and neutrophils, tumor-infiltrating lymphocytes (e.g., T-cell exhaustion, regulatory T-cells, natural killer T-cells), the Warburg effect, rewiring of the tricarboxylic acid cycle, and glutamine addiction. We further discuss the potential involvement of the gut microbiota in these characteristics of hepatocarcinogenesis. An immediate highlight is that microbiota metabolites (e.g., short chain fatty acids, secondary bile acids) can impair anti-tumor responses, which aggravates HCC. Lastly, we describe the rising 'new era' of immunotherapies (e.g., immune checkpoint inhibitors, adoptive T-cell transfer) and discuss for the potential incorporation of gut microbiota targeted therapeutics (e.g., probiotics, fecal microbiota transplantation) to alleviate HCC. Altogether, this chapter invigorates for continuous research to decipher the role of gut microbiome in HCC from its influence on immunometabolism and metabolic reprogramming.
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28
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Zaher S. Nutrition and the gut microbiome during critical illness: A new insight of nutritional therapy. Saudi J Gastroenterol 2020; 26:300487. [PMID: 33208559 PMCID: PMC8019138 DOI: 10.4103/sjg.sjg_352_20] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/16/2020] [Accepted: 08/16/2020] [Indexed: 12/13/2022] Open
Abstract
Changes in the microbiome in response to environmental influences can affect the overall health. Critical illness is considered one of the major environmental factors that can potentially influence the normal gut homeostasis. It is associated with pathophysiological effects causing damage to the intestinal microbiome. Alteration of intestinal microbial composition during critical illness may subsequently compromise the integrity of the intestinal epithelial barrier and intestinal mucosa absorptive function. Many factors can impact the microbiome of critically ill patients including ischemia, hypoxia and hypotension along with the iatrogenic effects of therapeutic agents and the lack of enteral feeds. Factors related to disease state and medication are inevitable and they are part of the intensive care unit (ICU) exposure. However, a nutritional intervention targeting gut microbiota might have the potential to improve clinical outcomes in the critically ill population given the extensive vascular and lymphatic links between the intestines and other organs. Although nutrition is considered an integral part of the treatment plan of critically ill patients, still the role of nutritional intervention is restricted to improve nitrogen balance. What is dismissed is whether the nutrients we provide are adequate and how they are processed and utilised by the host and the microbiota. Therefore, the goal of nutrition therapy during critical illness should be extended to provide good quality feeds with balanced macronutrient content to feed up the entire body including the microbiota and host cells. The main aim of this review is to examine the current literature on the effect of critical illness on the gut microbiome and to highlight the role of nutrition as a factor affecting the intestinal microbiome-host relationship during critical illness.
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Affiliation(s)
- Sara Zaher
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, Taibah University, Saudi Arabia
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29
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Beaumont M, Blachier F. Amino Acids in Intestinal Physiology and Health. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1265:1-20. [PMID: 32761567 DOI: 10.1007/978-3-030-45328-2_1] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Dietary protein digestion is an efficient process resulting in the absorption of amino acids by epithelial cells, mainly in the jejunum. Some amino acids are extensively metabolized in enterocytes supporting their high energy demand and/or production of bioactive metabolites such as glutathione or nitric oxide. In contrast, other amino acids are mainly used as building blocks for the intense protein synthesis associated with the rapid epithelium renewal and mucin production. Several amino acids have been shown to support the intestinal barrier function and the intestinal endocrine function. In addition, amino acids are metabolized by the gut microbiota that use them for their own protein synthesis and in catabolic pathways releasing in the intestinal lumen numerous metabolites such as ammonia, hydrogen sulfide, branched-chain amino acids, polyamines, phenolic and indolic compounds. Some of them (e.g. hydrogen sulfide) disrupts epithelial energy metabolism and may participate in mucosal inflammation when present in excess, while others (e.g. indole derivatives) prevent gut barrier dysfunction or regulate enteroendocrine functions. Lastly, some recent data suggest that dietary amino acids might regulate the composition of the gut microbiota, but the relevance for the intestinal health remains to be determined. In summary, amino acid utilization by epithelial cells or by intestinal bacteria appears to play a pivotal regulator role for intestinal homeostasis. Thus, adequate dietary supply of amino acids represents a key determinant of gut health and functions.
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Affiliation(s)
- Martin Beaumont
- GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Toulouse, France
| | - François Blachier
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, Paris, France.
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30
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Guo Y, Bian X, Liu J, Zhu M, Li L, Yao T, Tang C, Ravichandran V, Liao P, Papadimitriou K, Yin J. Dietary Components, Microbial Metabolites and Human Health: Reading between the Lines. Foods 2020; 9:E1045. [PMID: 32756378 PMCID: PMC7466307 DOI: 10.3390/foods9081045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 02/06/2023] Open
Abstract
Trillions of bacteria reside in the human gut and they metabolize dietary substances to obtain nutrients and energy while producing metabolites. Therefore, different dietary components could affect human health in various ways through microbial metabolism. Many such metabolites have been shown to affect human physiological activities, including short-chain fatty acids metabolized from carbohydrates; indole, kynurenic acid and para-cresol, metabolized from amino acids; conjugated linoleic acid and linoleic acid, metabolized from lipids. Here, we review the features of these metabolites and summarize the possible molecular mechanisms of their metabolisms by gut microbiota. We discuss the potential roles of these metabolites in health and diseases, and the interactions between host metabolism and the gut microbiota. We also show some of the major dietary patterns around the world and hope this review can provide insights into our eating habits and improve consumers' health conditions.
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Affiliation(s)
- Yao Guo
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, College of Life Science, Hunan Normal University, Changsha 410006, China
| | - Xiaohan Bian
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, College of Life Science, Hunan Normal University, Changsha 410006, China
| | - Jiali Liu
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, College of Life Science, Hunan Normal University, Changsha 410006, China
| | - Ming Zhu
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
| | - Lin Li
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
| | - Tingyu Yao
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
| | - Congjia Tang
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
| | - Vinothkannan Ravichandran
- State Key Laboratory of Microbial Technology, Shandong University–Helmholtz Institute of Biotechnology, Shandong University, Qingdao 266237, China;
| | - Peng Liao
- Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
| | - Konstantinos Papadimitriou
- Department of Food Science and Technology, School of Agriculture and Food, University of Peloponnese, 22131 Antikalamos, Greece;
| | - Jia Yin
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, College of Life Sciences, Hunan Normal University, Changsha 410006, China; (Y.G.); (X.B.); (J.L.); (M.Z.); (L.L.); (T.Y.); (C.T.)
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, College of Life Science, Hunan Normal University, Changsha 410006, China
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van Sadelhoff JHJ, Wiertsema SP, Garssen J, Hogenkamp A. Free Amino Acids in Human Milk: A Potential Role for Glutamine and Glutamate in the Protection Against Neonatal Allergies and Infections. Front Immunol 2020; 11:1007. [PMID: 32547547 PMCID: PMC7270293 DOI: 10.3389/fimmu.2020.01007] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 04/28/2020] [Indexed: 12/12/2022] Open
Abstract
Breastfeeding is indicated to support neonatal immune development and to protect against neonatal infections and allergies. Human milk composition is widely studied in relation to these unique abilities, which has led to the identification of various immunomodulating components in human milk, including various bioactive proteins. In addition to proteins, human milk contains free amino acids (FAAs), which have not been well-studied. Of those, the FAAs glutamate and glutamine are by far the most abundant. Levels of these FAAs in human milk sharply increase during the first months of lactation, in contrast to most other FAAs. These unique dynamics are globally consistent, suggesting that their levels in human milk are tightly regulated throughout lactation and, consequently, that they might have specific roles in the developing neonate. Interestingly, free glutamine and glutamate are reported to exhibit immunomodulating capacities, indicating that these FAAs could contribute to neonatal immune development and to the unique protective effects of breastfeeding. This review describes the current understanding of the FAA composition in human milk. Moreover, it provides an overview of the effects of free glutamine and glutamate on immune parameters relevant for allergic sensitization and infections in early life. The data reviewed provide rationale to study the role of free glutamine and glutamate in human milk in the protection against neonatal allergies and infections.
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Affiliation(s)
- Joris H J van Sadelhoff
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | | | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands.,Danone Nutricia Research, Utrecht, Netherlands
| | - Astrid Hogenkamp
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, Netherlands
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Ji Y, Yin Y, Sun L, Zhang W. The Molecular and Mechanistic Insights Based on Gut-Liver Axis: Nutritional Target for Non-Alcoholic Fatty Liver Disease (NAFLD) Improvement. Int J Mol Sci 2020; 21:ijms21093066. [PMID: 32357561 PMCID: PMC7247681 DOI: 10.3390/ijms21093066] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/24/2020] [Accepted: 04/24/2020] [Indexed: 02/07/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is recognized as the most frequent classification of liver disease around the globe. Along with the sequencing technologies, gut microbiota has been regarded as a vital factor for the maintenance of human and animal health and the mediation of multiple diseases. The modulation of gut microbiota as a mechanism affecting the pathogenesis of NAFLD is becoming a growing area of concern. Recent advances in the communication between gut and hepatic tissue pave novel ways to better explain the molecular mechanisms regarding the pathological physiology of NAFLD. In this review, we recapitulate the current knowledge of the mechanisms correlated with the development and progression of NAFLD regulated by the gut microbiome and gut-liver axis, which may provide crucial therapeutic strategies for NAFLD. These mechanisms predominantly involve: (1) the alteration in gut microbiome profile; (2) the effects of components and metabolites from gut bacteria (e.g., lipopolysaccharides (LPS), trimethylamine-N-oxide (TMAO), and N,N,N-trimethyl-5-aminovaleric acid (TMAVA)); and (3) the impairment of intestinal barrier function and bile acid homeostasis. In particular, the prevention and therapy of NAFLD assisted by nutritional strategies are highlighted, including probiotics, functional oligosaccharides, dietary fibers, ω-3 polyunsaturated fatty acids, functional amino acids (L-tryptophan and L-glutamine), carotenoids, and polyphenols, based on the targets excavated from the gut-liver axis.
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Affiliation(s)
| | - Yue Yin
- Correspondence: (Y.Y.); (W.Z.); Fax.: +86-10-82802183 (Y.Y.); +86-10-82802183 (W.Z.)
| | | | - Weizhen Zhang
- Correspondence: (Y.Y.); (W.Z.); Fax.: +86-10-82802183 (Y.Y.); +86-10-82802183 (W.Z.)
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Ilich JZ, Gilman JC, Cvijetic S, Boschiero D. Chronic Stress Contributes to Osteosarcopenic Adiposity via Inflammation and Immune Modulation: The Case for More Precise Nutritional Investigation. Nutrients 2020; 12:nu12040989. [PMID: 32252359 PMCID: PMC7230299 DOI: 10.3390/nu12040989] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/29/2020] [Accepted: 03/31/2020] [Indexed: 02/07/2023] Open
Abstract
Chronic stress and low-grade chronic inflammation (LGCI) are key underlying factors formany diseases, including bone and body composition impairments. Objectives of this narrativereview were to examine the mechanisms by which chronic stress and LGCI may influenceosteosarcopenic adiposity (OSA) syndrome, originally named as ostoesarcopenic obesity (OSO).We also examined the crucial nutrients presumed to be affected by or cause of stress andinflammation and compared/contrasted them to those of our prehistoric ancestors. The evidenceshows that stress (particularly chronic) and its related inflammatory processes, contribute toosteoporosis, sarcopenia, and adiposity ultimately leading to OSA as a final and most derangedstate of body composition, commencing at the mesenchymal cell lineage disturbance. Thefoods/nutrients consumed by modern humans, as well as their altered lifestyle, also contribute tostress, LGCI and subsequently to OSA. The processes can also go in opposite direction when stressand inflammation impact nutritional status, particularly some micronutrients' levels. Whilenutritional management of body composition and LGCI have been studied, the nutrients (and theirquantities) most affected by stressors and those which may act toward the alleviation of stressfulstate, ultimately leading to better body composition outcomes, need to be elucidated.
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Affiliation(s)
- Jasminka Z. Ilich
- Institute for Successful Longevity, Florida State University, Tallahassee, FL 32306, USA
- Correspondence:
| | | | - Selma Cvijetic
- Institute for Medical Research and Occupational Health, 11000 Zagreb, Croatia;
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Parois SP, Duttlinger AW, Richert BT, Lindemann SR, Johnson JS, Marchant-Forde JN. Effects of Three Distinct 2-Week Long Diet Strategies After Transport on Weaned Pigs' Short and Long-Term Welfare Markers, Behaviors, and Microbiota. Front Vet Sci 2020; 7:140. [PMID: 32258069 PMCID: PMC7090170 DOI: 10.3389/fvets.2020.00140] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 02/24/2020] [Indexed: 01/14/2023] Open
Abstract
Alternative feed supplements have shown promising effects in terms of performance, but their effects on welfare have had little evaluation. In the present study, we aimed at evaluating the effect of diet supplementation on welfare indicators. A total of 246 piglets were weaned and transported for 12 h. After transport, they were assigned to one of 3 diets for a 14-day period: A-an antibiotic diet including chlortetracycline and tiamulin, NA-a control diet without any antibiotic or feed supplement, GLN-a diet including 0.20% L-glutamine. After the 14-day period, all piglets were fed the same diet. Tear staining was measured 11 times post-weaning (from d0 to 147). Skin lesions were counted before and after weaning (d-2, 2, and 36). Novel object tests (NOT) were done in groups 4 times post-weaning (d17, 47, 85, 111). Samples for 16S rRNA gene composition were collected prior to transport (d0), following the 14-day period (d14) and at the conclusion of the nursery phase (d34). The NA pigs appeared less interested in novel objects. On d17, they avoided the object less than A pigs (P < 0.05). They spent less time exploring the object on d85 and took longer to interact with the object on d111 than A and GLN pigs (P < 0.05). NA pigs also appeared more sensitive to environment and management. They had larger tear stains than GLN pigs on d84 and 110 (P < 0.05). On d2, NA pigs had more lesions than A and GLN (P < 0.01). In terms of microbiota composition, GLN had higher α-diversity than A and NA (P < 0.001). Differences between dietary treatments were absent at d0, were demonstrated at d14 and disappeared at d34. Pearson correlations between aggression, stress and anxiety indicators and bacterial populations were medium to high from 0.31 to 0.69. The results demonstrate that short-term feeding strategy can have both short- and long-term effects on behavior and welfare, that may partly be explained by changes in gut microbiota composition. Supplementation with GLN appears to confer similar benefits to dietary antibiotics and thus could be a viable alternative.
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Affiliation(s)
- Severine P. Parois
- PEGASE, Agrocampus Ouest, INRA, Saint-Gilles, France
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN, United States
| | - Alan W. Duttlinger
- Department of Animal Sciences, Purdue University, West Lafayette, IN, United States
| | - Brian T. Richert
- Department of Animal Sciences, Purdue University, West Lafayette, IN, United States
| | - Stephen R. Lindemann
- Department of Food Science, Purdue University, West Lafayette, IN, United States
| | - Jay S. Johnson
- USDA-ARS, Livestock Behavior Research Unit, West Lafayette, IN, United States
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35
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Ejtahed HS, Angoorani P, Soroush AR, Hasani-Ranjbar S, Siadat SD, Larijani B. Gut microbiota-derived metabolites in obesity: a systematic review. BIOSCIENCE OF MICROBIOTA FOOD AND HEALTH 2020; 39:65-76. [PMID: 32775123 PMCID: PMC7392910 DOI: 10.12938/bmfh.2019-026] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 01/21/2020] [Indexed: 12/15/2022]
Abstract
Recent evidence suggests that gut microbiota-derived metabolites affect many biological processes of the host, including appetite control and weight management. Dysbiosis of the
gut microbiome in obesity influences the metabolism and excretion of gut microbiota byproducts and consequently affects the physiology of the host. Since identification of the gut
microbiota-host co-metabolites is essential for clarifying the interactions between the intestinal flora and the host, we conducted this systematic review to summarize all human
studies that characterized the gut microbiota-related metabolites in overweight and obese individuals. A comprehensive search of the PubMed, Web of Science, and Scopus databases
yielded 2,137 articles documented up to July 2018. After screening abstracts and full texts, 12 articles that used different biosamples and methodologies of metabolic profiling and
fecal microbiota analysis were included. Amino acids and byproducts of amino acids, lipids and lipid-like metabolites, bile acids derivatives, and other metabolites derived from
degradation of carnitine, choline, polyphenols, and purines are among the gut microbiota-derived metabolites which showed alterations in obesity. These metabolites play an
important role in metabolic complications of obesity, including insulin resistance, hyperglycemia, and dyslipidemia. The results of this study could be useful in development of
therapeutic strategies with the aim of modulating gut microbiota and consequently the metabolic profile in obesity.
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Affiliation(s)
- Hanieh-Sadat Ejtahed
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 5th Floor, Shariati Hospital, North Kargar Ave, 1411413137, Tehran, Iran.,Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Pooneh Angoorani
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 5th Floor, Shariati Hospital, North Kargar Ave, 1411413137, Tehran, Iran
| | - Ahmad-Reza Soroush
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 5th Floor, Shariati Hospital, North Kargar Ave, 1411413137, Tehran, Iran
| | - Shirin Hasani-Ranjbar
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 5th Floor, Shariati Hospital, North Kargar Ave, 1411413137, Tehran, Iran
| | - Seyed-Davar Siadat
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Petrus P, Lecoutre S, Dollet L, Wiel C, Sulen A, Gao H, Tavira B, Laurencikiene J, Rooyackers O, Checa A, Douagi I, Wheelock CE, Arner P, McCarthy M, Bergo MO, Edgar L, Choudhury RP, Aouadi M, Krook A, Rydén M. Glutamine Links Obesity to Inflammation in Human White Adipose Tissue. Cell Metab 2020; 31:375-390.e11. [PMID: 31866443 DOI: 10.1016/j.cmet.2019.11.019] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 08/27/2019] [Accepted: 11/26/2019] [Indexed: 12/12/2022]
Abstract
While obesity and associated metabolic complications are linked to inflammation of white adipose tissue (WAT), the causal factors remain unclear. We hypothesized that the local metabolic environment could be an important determinant. To this end, we compared metabolites released from WAT of 81 obese and non-obese women. This identified glutamine to be downregulated in obesity and inversely associated with a pernicious WAT phenotype. Glutamine administration in vitro and in vivo attenuated both pro-inflammatory gene and protein levels in adipocytes and WAT and macrophage infiltration in WAT. Metabolomic and bioenergetic analyses in human adipocytes suggested that glutamine attenuated glycolysis and reduced uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) levels. UDP-GlcNAc is the substrate for the post-translational modification O-linked β-N-acetylglucosamine (O-GlcNAc) mediated by the enzyme O-GlcNAc transferase. Functional studies in human adipocytes established a mechanistic link between reduced glutamine, O-GlcNAcylation of nuclear proteins, and a pro-inflammatory transcriptional response. Altogether, glutamine metabolism is linked to WAT inflammation in obesity.
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Affiliation(s)
- Paul Petrus
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Simon Lecoutre
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Lucile Dollet
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Clotilde Wiel
- Department of Biosciences and Nutrition (BioNut), H2, Karolinska Institutet, Stockholm 141 86, Sweden
| | - André Sulen
- Integrated Cardio Metabolic Centre, Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Hui Gao
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Beatriz Tavira
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Jurga Laurencikiene
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Olav Rooyackers
- Perioperative Medicine and Intensive Care, B31, Karolinska University Hospital, Huddinge, 141 86 Stockholm, Sweden
| | - Antonio Checa
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Iyadh Douagi
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Craig E Wheelock
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Peter Arner
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden
| | - Mark McCarthy
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Old Road, Headington, Oxford OX3 7LJ, UK; Wellcome Centre for Human Genetics, University of Oxford, Roosevelt Drive, Oxford OX3 7BN, UK; Oxford NIHR Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford OX3 9DU, UK
| | - Martin O Bergo
- Department of Biosciences and Nutrition (BioNut), H2, Karolinska Institutet, Stockholm 141 86, Sweden
| | - Laurienne Edgar
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Robin P Choudhury
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Myriam Aouadi
- Integrated Cardio Metabolic Centre, Department of Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Anna Krook
- Department of Physiology and Pharmacology, Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Mikael Rydén
- Department of Medicine (H7), Karolinska Institutet, Stockholm 141 86, Sweden.
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37
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Yan Y, Xu B, Yin B, Xu X, Niu Y, Tang Y, Wang X, Xie C, Yang T, Zhou S, Yan X, Ma L. Modulation of Gut Microbial Community and Metabolism by Dietary Glycyl-Glutamine Supplementation May Favor Weaning Transition in Piglets. Front Microbiol 2020; 10:3125. [PMID: 32117085 PMCID: PMC7025575 DOI: 10.3389/fmicb.2019.03125] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/24/2019] [Indexed: 12/15/2022] Open
Abstract
Gut microbiota plays a crucial role in diet nutrient metabolism and maintaining host health. The synthetic dipeptides glycyl-glutamine (Gly-Gln) used as diet supplementation to improve the weaning transition of newborns could be metabolized by certain bacteria in vitro. However, the effect of diet Gly-Gln supplementation on gut microbiota in vivo remains largely unknown. 240 piglets at the age of 28 days (day 28) were randomly assigned to two groups that received a basal diet (Ctrl group) or a basal diet supplemented with 0.25% Gly-Gln (Gly-Gln group) for 3 weeks. Five piglets from each group were euthanized for sampling after overnight fasting on day 38 and day 49, respectively. We determined their structure shifts of the gut microbiota using 16S rDNA-based high-throughput sequencing analysis. Microbial metabolites short-chain fatty acids (SCFAs) in the ileum and the colon were determined with high-performance gas chromatography. The concentrations of endocrine peptides including epidermal growth factor, glucagon-like peptide-1, and glucagon-like peptide-2 in ileal mucosa, as well as the serum concentration of interleukin 1 beta, interleukin 6, interleukin 10, and tumor necrosis factor alpha were determined using Enzyme-Linked Immunosorbent Assay. In addition, we also checked the diarrhea ratio, growth performance, and intestinal morphology to assess the favorable effect of dietary Gly-Gln supplementation during the weaning transition. Dietary Gly-Gln supplementation beneficially altered the gut microbiota by increasing bacterial loading, elevating alpha diversity, and increasing the relative abundance of anaerobes and fiber-degrading bacteria (Phylum Fibrobacteres). Accordingly, the microbial metabolites SCFAs in both colon and ileum, as well as the downstream endocrine peptides in the ileum increased. Meanwhile, dietary Gly-Gln's favorable weaning transition was reflected in the increase of growth performance indices and the reduced inflammatory response in a time dependent manner. There were significant correlations among the bacteria which responded to dietary Gly-Gln supplementation and these checked indices. Taken together, dietary Gly-Gln supplementation selectively modulated the gut microbiota, which may favor piglets' weaning-transition. These findings suggest that gut microbiota targeted approaches can be potentially used to improve weaning transition of piglets by dietary functional amino acid.
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Affiliation(s)
- Yiqin Yan
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Baoyang Xu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Boqi Yin
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Xiaofan Xu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Yaorong Niu
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Yimei Tang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Xinkai Wang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Chunlin Xie
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Tao Yang
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Shuyi Zhou
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Xianghua Yan
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
| | - Libao Ma
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China.,The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, China.,Hubei Provincial Engineering Laboratory for Pig Precision Feeding and Feed Safety Technology, Wuhan, China
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Aljahdali N, Gadonna-Widehem P, Anton PM, Carbonero F. Gut Microbiota Modulation by Dietary Barley Malt Melanoidins. Nutrients 2020; 12:nu12010241. [PMID: 31963440 PMCID: PMC7019678 DOI: 10.3390/nu12010241] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/18/2019] [Accepted: 11/25/2019] [Indexed: 01/27/2023] Open
Abstract
Melanoidins are the final Maillard reaction products (protein–carbohydrate complexes) produced in food by prolonged and intense heating. We assessed the impact of the consumption of melanoidins from barley malts on gut microbiota. Seventy-five mice were assigned into five groups, where the control group consumed a non-melanoidin malt diet, and other groups received melanoidin-rich malts in increments of 25% up to 100% melanoidin malts. Feces were sampled at days 0, 1, 2, 3, 7, 14, and 21 and the microbiota was determined using V4 bacterial 16S rRNA amplicon sequencing and short-chain fatty acids (SCFA) by gas chromatography. Increased melanoidins was found to result in significantly divergent gut microbiota profiles and supported sustained SCFA production. The relative abundance of Dorea, Oscillibacter, and Alisitpes were decreased, while Lactobacillus, Parasutterella, Akkermansia, Bifidobacterium, and Barnesiella increased. Bifidobacterium spp. and Akkermansia spp. were significantly increased in mice consuming the highest melanoidin amounts, suggesting remarkable prebiotic potential.
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Affiliation(s)
- Nesreen Aljahdali
- Department of Biological Science, King Abdulaziz University, Jeddah 21551, Saudi Arabia;
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA
| | - Pascale Gadonna-Widehem
- Transformations et Agro-Ressources—EA7519-Institut Polytechnique UniLaSalle, 60026 Beauvais, France; (P.G.-W.); (P.M.A.)
| | - Pauline M. Anton
- Transformations et Agro-Ressources—EA7519-Institut Polytechnique UniLaSalle, 60026 Beauvais, France; (P.G.-W.); (P.M.A.)
| | - Franck Carbonero
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA
- Department of Food Science, University of Arkansas, Fayetteville, AR 72704, USA
- Department of Nutrition and Excercise Physiology, Elson Floyd School of Medicine, Washington State University-Spokane, 412 East Spokane Falls Boulevard, Spokane, WA 99202, USA
- Correspondence:
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Donati Zeppa S, Agostini D, Gervasi M, Annibalini G, Amatori S, Ferrini F, Sisti D, Piccoli G, Barbieri E, Sestili P, Stocchi V. Mutual Interactions among Exercise, Sport Supplements and Microbiota. Nutrients 2019; 12:nu12010017. [PMID: 31861755 PMCID: PMC7019274 DOI: 10.3390/nu12010017] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/10/2019] [Accepted: 12/17/2019] [Indexed: 12/18/2022] Open
Abstract
The adult gut microbiota contains trillions of microorganisms of thousands of different species. Only one third of gut microbiota are common to most people; the rest are specific and contribute to enhancing genetic variation. Gut microorganisms significantly affect host nutrition, metabolic function, immune system, and redox levels, and may be modulated by several environmental conditions, including physical activity and exercise. Microbiota also act like an endocrine organ and is sensitive to the homeostatic and physiological changes associated with training; in turn, exercise has been demonstrated to increase microbiota diversity, consequently improving the metabolic profile and immunological responses. On the other side, adaptation to exercise might be influenced by the individual gut microbiota that regulates the energetic balance and participates to the control of inflammatory, redox, and hydration status. Intense endurance exercise causes physiological and biochemical demands, and requires adequate measures to counteract oxidative stress, intestinal permeability, electrolyte imbalance, glycogen depletion, frequent upper respiratory tract infections, systemic inflammation and immune responses. Microbiota could be an important tool to improve overall general health, performance, and energy availability while controlling inflammation and redox levels in endurance athletes. The relationship among gut microbiota, general health, training adaptation and performance, along with a focus on sport supplements which are known to exert some influence on the microbiota, will be discussed.
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Affiliation(s)
- Sabrina Donati Zeppa
- Correspondence: (D.A.); (S.D.Z.); Tel.: +39-0722-303-423 (D.A.); +39-0722-303-422 (S.D.Z.); Fax: +39-0722-303-401 (D.A. & S.D.Z.)
| | - Deborah Agostini
- Correspondence: (D.A.); (S.D.Z.); Tel.: +39-0722-303-423 (D.A.); +39-0722-303-422 (S.D.Z.); Fax: +39-0722-303-401 (D.A. & S.D.Z.)
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40
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Perna S, Alalwan TA, Alaali Z, Alnashaba T, Gasparri C, Infantino V, Hammad L, Riva A, Petrangolini G, Allegrini P, Rondanelli M. The Role of Glutamine in the Complex Interaction between Gut Microbiota and Health: A Narrative Review. Int J Mol Sci 2019; 20:E5232. [PMID: 31652531 PMCID: PMC6834172 DOI: 10.3390/ijms20205232] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/16/2019] [Accepted: 10/20/2019] [Indexed: 02/07/2023] Open
Abstract
The scientific literature has demonstrated that glutamine is one of the main beneficial amino acids. It plays an important role in gut microbiota and immunity. This paper provides a critical overview of experimental studies (in vitro, in vivo, and clinical) investigating the efficacy of glutamine and its effect on gut microbiota. As a result of this review, we have summarized that glutamine could affect gut microbiota via different mechanisms including the reduction in the ratio of Firmicutes to Bacteroidetes, with the activation of NF-κB and PI3K-Akt pathways, reducing the intestinal colonization (Eimeria lesions) and bacterial overgrowth or bacterial translocation, increasing the production of secretory immunoglobulin A (SIgA) and immunoglobulin A+ (IgA+) cells in the intestinal lumen, and decreasing asparagine levels. The potential applications of glutamine on gut microbiota include, but are not limited to, the management of obesity, bacterial translocation and community, cytokines profiles, and the management of side effects during post-chemotherapy and constipation periods. Further studies and reviews are needed regarding the effects of glutamine supplementation on other conditions in humans.
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Affiliation(s)
- Simone Perna
- Department of Biology, College of Science, University of Bahrain, 32038 Sakhir, Bahrain.
| | - Tariq A Alalwan
- Department of Biology, College of Science, University of Bahrain, 32038 Sakhir, Bahrain.
| | - Zahraa Alaali
- Department of Biology, College of Science, University of Bahrain, 32038 Sakhir, Bahrain.
| | - Tahera Alnashaba
- Department of Biology, College of Science, University of Bahrain, 32038 Sakhir, Bahrain.
| | - Clara Gasparri
- Endocrinology and Nutrition Unit, Azienda di Servizi alla Persona ''Istituto Santa Margherita'', University of Pavia, Pavia 27100, Italy.
| | - Vittoria Infantino
- Department of Biomedical Science and Human Oncology, University of Bari, Bari 70121, Italy.
| | - Layla Hammad
- Department of Biology, College of Science, University of Bahrain, 32038 Sakhir, Bahrain.
| | - Antonella Riva
- Research and Development Department, Indena SpA, 20139 Milan, Italy.
| | | | - Pietro Allegrini
- Research and Development Department, Indena SpA, 20139 Milan, Italy.
| | - Mariangela Rondanelli
- IRCCS Mondino Foundation, Pavia 27100, Italy.
- Department of Public Health, Experimental and Forensic Medicine, Unit of Human and Clinical Nutrition, University of Pavia, Pavia 27100, Italy.
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41
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Forgie AJ, Fouhse JM, Willing BP. Diet-Microbe-Host Interactions That Affect Gut Mucosal Integrity and Infection Resistance. Front Immunol 2019; 10:1802. [PMID: 31447837 PMCID: PMC6691341 DOI: 10.3389/fimmu.2019.01802] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 07/17/2019] [Indexed: 12/17/2022] Open
Abstract
The gastrointestinal tract microbiome plays a critical role in regulating host innate and adaptive immune responses against pathogenic bacteria. Disease associated dysbiosis and environmental induced insults, such as antibiotic treatments can lead to increased susceptibility to infection, particularly in a hospital setting. Dietary intervention is the greatest tool available to modify the microbiome and support pathogen resistance. Some dietary components can maintain a healthy disease resistant microbiome, whereas others can contribute to an imbalanced microbial population, impairing intestinal barrier function and immunity. Characterizing the effects of dietary components through the host-microbe axis as it relates to gastrointestinal health is vital to provide evidence-based dietary interventions to mitigate infections. This review will cover the effect of dietary components (carbohydrates, fiber, proteins, fats, polyphenolic compounds, vitamins, and minerals) on intestinal integrity and highlight their ability to modulate host-microbe interactions as to improve pathogen resistance.
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Affiliation(s)
| | | | - Benjamin P. Willing
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
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42
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Takaoka M, Okumura S, Seki T, Ohtani M. Effect of amino-acid intake on physical conditions and skin state: a randomized, double-blind, placebo-controlled, crossover trial. J Clin Biochem Nutr 2019; 65:52-58. [PMID: 31379414 PMCID: PMC6667387 DOI: 10.3164/jcbn.18-108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/20/2019] [Indexed: 12/15/2022] Open
Abstract
The objective of this study is to elucidate the effect of a supplement enriched with l-leucine, l-arginine, and l-glutamine on body compositions/skin conditions. Healthy young women (n = 29) were allocated to a group (n = 14) receiving an amino-acid supplement (600 mg l-leucine, 250 mg l-arginine, and 300 mg l-glutamine) and a placebo group (n = 15) receiving a supplement not-containing the amino acids. The amino-acid supplement and placebo were given twice/day for 6 weeks. After a wash-out (2 months) from the 1st test, the amino-acid group received the placebo and the placebo group the amino-acid supplement. The body compositions/skin conditions were measured 4 times (day 1 and weeks 2, 4, and 6) in each test. Percentage-change of muscle mass in the amino-acid group increased up to 4 weeks (p = 0.05) and was higher than that in the placebo group (p = 0.09). Skin texture estimated by the image processing of neck skin replica tended to increase in the amino-acid group at 6 weeks compared with that at 0 week, though there was no significant intergroup difference. In conclusion, the young adult women having no fitness habit showed the significant increase of the muscle amount and improvement tendency of the skin texture by the continuous intake of the amino-acid supplement.
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Affiliation(s)
- Motoko Takaoka
- Department of Biosphere Sciences, School of Human Sciences, Kobe College, 4-1 Okadayama, Nishinomiya-shi, Hyogo 662-8506, Japan
| | - Saki Okumura
- Groupwide Research and Development, Noevir Co., Ltd., C-333 R&D KSP, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan
| | - Taizo Seki
- Groupwide Research and Development, Noevir Co., Ltd., C-333 R&D KSP, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan
| | - Masaru Ohtani
- Meiji University International Institute for Bio-Resource Research (MUIIBR), Kawasaki, Kanagawa 214-8571, Japan.,DAC Co., Ltd., 6-12-12 Ebara, Shinagawa-ku, Tokyo 142-0063, Japan
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43
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Zhong S, Zhou Z, Liang Y, Cheng X, Li Y, Teng W, Zhao M, Liu C, Guan M, Zhao C. Targeting strategies for chemotherapy-induced peripheral neuropathy: does gut microbiota play a role? Crit Rev Microbiol 2019; 45:369-393. [PMID: 31106639 DOI: 10.1080/1040841x.2019.1608905] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a progressive, often irreversible condition that produces severe neurological deficits. Emerging data suggest that chemotherapy also exerts detrimental effects on gut microbiota composition and intestinal permeability, contributing to dysbiosis and inflammation. Compared with other complications associated with chemotherapy, such as diarrhoea and mucositis, CIPN is of particular concern because it is the most common reason for terminating or suspending treatment. However, specific and effective curative treatment strategies are lacking. In this review, we provide an update on current preclinical and clinical understandings about the role of gut microbiota in CIPN. The gut microbiota serves as an intersection between the microbiome-gut-brain and the neuroimmune-endocrine axis, forming a complex network that can directly or indirectly affect key components involved in the manifestations of CIPN. Herein, we discuss several potential mechanisms within the context of the networks and summarize alterations in gut microbiome induced by chemotherapeutic drugs, providing great potential for researchers to target pathways associated with the gut microbiome and overcome CIPN.
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Affiliation(s)
- Shanshan Zhong
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Zhike Zhou
- Department of Geriatrics, The First Hospital of China Medical University , Shenyang , PR China
| | - Yifan Liang
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Xi Cheng
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Yong Li
- Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University , Shenyang , PR China
| | - Weiyu Teng
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Mei Zhao
- Department of Cardiology, Shengjing Hospital of China Medical University , Shenyang , PR China
| | - Chang Liu
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Meiting Guan
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
| | - Chuansheng Zhao
- Department of Neurology and Stroke Center, The First Hospital of China Medical University , Shenyang , PR China
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44
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Kurilshikov A, van den Munckhof ICL, Chen L, Bonder MJ, Schraa K, Rutten JHW, Riksen NP, de Graaf J, Oosting M, Sanna S, Joosten LAB, van der Graaf M, Brand T, Koonen DPY, van Faassen M, Slagboom PE, Xavier RJ, Kuipers F, Hofker MH, Wijmenga C, Netea MG, Zhernakova A, Fu J. Gut Microbial Associations to Plasma Metabolites Linked to Cardiovascular Phenotypes and Risk. Circ Res 2019; 124:1808-1820. [PMID: 30971183 DOI: 10.1161/circresaha.118.314642] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
RATIONALE Altered gut microbial composition has been linked to cardiovascular diseases (CVDs), but its functional links to host metabolism and immunity in relation to CVD development remain unclear. OBJECTIVES To systematically assess functional links between the microbiome and the plasma metabolome, cardiometabolic phenotypes, and CVD risk and to identify diet-microbe-metabolism-immune interactions in well-documented cohorts. METHODS AND RESULTS We assessed metagenomics-based microbial associations between 231 plasma metabolites and microbial species and pathways in the population-based LLD (Lifelines DEEP) cohort (n=978) and a clinical obesity cohort (n=297). After correcting for age, sex, and body mass index, the gut microbiome could explain ≤11.1% and 16.4% of the variation in plasma metabolites in the population-based and obesity cohorts, respectively. Obese-specific microbial associations were found for lipid compositions in the VLDL, IDL, and LDL lipoprotein subclasses. Bacterial L-methionine biosynthesis and a Ruminococcus species were associated to cardiovascular phenotypes in obese individuals, namely atherosclerosis and liver fat content, respectively. Integration of microbiome-diet-inflammation analysis in relation to metabolic risk score of CVD in the population cohort revealed 48 microbial pathways associated to CVD risk that were largely independent of diet and inflammation. Our data also showed that plasma levels rather than fecal levels of short-chain fatty acids were relevant to inflammation and CVD risk. CONCLUSIONS This study presents the largest metagenome-based association study on plasma metabolism and microbiome relevance to diet, inflammation, CVD risk, and cardiometabolic phenotypes in both population-based and clinical obesity cohorts. Our findings identified novel bacterial species and pathways that associated to specific lipoprotein subclasses and revealed functional links between the gut microbiome and host health that provide a basis for developing microbiome-targeted therapy for disease prevention and treatment.
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Affiliation(s)
- Alexander Kurilshikov
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Inge C L van den Munckhof
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Lianmin Chen
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands.,Department of Pediatrics (L.C., D.P.Y.K., F.K., M.H.H., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Marc J Bonder
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Kiki Schraa
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Joost H W Rutten
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Niels P Riksen
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Jacqueline de Graaf
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Marije Oosting
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Serena Sanna
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Marinette van der Graaf
- Department of Radiology and Nuclear Medicine (M.v.d.G.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Tessa Brand
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands
| | - Debby P Y Koonen
- Department of Pediatrics (L.C., D.P.Y.K., F.K., M.H.H., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Martijn van Faassen
- Department of Laboratory Medicine (M.v.F., F.K.), University of Groningen, University Medical Center Groningen, the Netherlands
| | | | - P Eline Slagboom
- Section of Molecular Epidemiology, Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, the Netherlands (P.E.S.)
| | - Ramnik J Xavier
- Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston (R.J.X.).,Broad Institute of MIT and Harvard, Cambridge, MA (R.J.X.).,Gastrointestinal Unit and Center for the Study of Inflammatory Bowel Disease, Massachusetts General Hospital, Harvard Medical School, Boston (R.J.X.).,Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge (R.J.X.)
| | - Folkert Kuipers
- Department of Pediatrics (L.C., D.P.Y.K., F.K., M.H.H., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands.,Department of Laboratory Medicine (M.v.F., F.K.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Marten H Hofker
- Department of Pediatrics (L.C., D.P.Y.K., F.K., M.H.H., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Cisca Wijmenga
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands.,Department of Immunology, K.G. Jebsen Coeliac Disease Research Centre, University of Oslo, Norway (C.W.)
| | - Mihai G Netea
- Department of Internal Medicine and Radboud Center for Infectious Diseases (I.C.L.v.d.M., K.S., J.H.W.R., N.P.R., J.d.G., M.O., L.A.B.J., T.B., M.G.N.), Radboud University Medical Center, Nijmegen, the Netherlands.,Department for Genomics and Immunoregulation, Life and Medical Sciences Institute, University of Bonn, Germany (M.G.N.).,Human Genomics Laboratory, Craiova University of Medicine and Pharmacy, Romania (M.G.N.)
| | - Alexandra Zhernakova
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
| | - Jingyuan Fu
- From the Department of Genetics (A.K., L.C., M.J.B., S.S., C.W., A.Z., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands.,Department of Pediatrics (L.C., D.P.Y.K., F.K., M.H.H., J.F.), University of Groningen, University Medical Center Groningen, the Netherlands
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45
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Abboud KY, Reis SK, Martelli ME, Zordão OP, Tannihão F, de Souza AZZ, Assalin HB, Guadagnini D, Rocha GZ, Saad MJA, Prada PO. Oral Glutamine Supplementation Reduces Obesity, Pro-Inflammatory Markers, and Improves Insulin Sensitivity in DIO Wistar Rats and Reduces Waist Circumference in Overweight and Obese Humans. Nutrients 2019; 11:nu11030536. [PMID: 30832230 PMCID: PMC6471297 DOI: 10.3390/nu11030536] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 02/18/2019] [Accepted: 02/24/2019] [Indexed: 12/16/2022] Open
Abstract
In the present study, we aimed to investigate whether chronic oral glutamine (Gln) supplementation may alter metabolic parameters and the inflammatory profile in overweight and obese humans as well as whether Gln may modulate molecular pathways in key tissues linked to the insulin action in rats. Thirty-nine overweight/obese volunteers received 30 g of Gln or alanine (Ala-control) for 14 days. Body weight (BW), waist circumference (WC), hormones, and pro-inflammatory markers were evaluated. To investigate molecular mechanisms, Gln or Ala was given to Wistar rats on a high-fat diet (HFD), and metabolic parameters, euglycemic hyperinsulinemic clamp with tracers, and Western blot were done. Gln reduced WC and serum lipopolysaccharide (LPS) in overweight volunteers. In the obese group, Gln diminished WC and serum insulin. There was a positive correlation between the reduction on WC and LPS. In rats on HFD, Gln reduced adiposity, improved insulin action and signaling, and reversed both defects in glucose metabolism in the liver and muscle. Gln supplementation increased muscle glucose uptake and reversed the increased hepatic glucose production, in parallel with a reduced glucose uptake in adipose tissue. This insulin resistance in AT was accompanied by enhanced IRS1 O-linked-glycosamine association in this tissue, but not in the liver and muscle. These data suggest that Gln supplementation leads to insulin resistance specifically in adipose tissue via the hexosamine pathway and reduces adipose mass, which is associated with improvement in the systemic insulin action. Thus, further investigation with Gln supplementation should be performed for longer periods in humans before prescribing as a beneficial therapeutic approach for individuals who are overweight and obese.
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Affiliation(s)
- Kahlile Youssef Abboud
- School of Applied Sciences, State University of Campinas (UNICAMP), Limeira 13484-350 SP, Brazil.
| | - Sabrina Karen Reis
- School of Applied Sciences, State University of Campinas (UNICAMP), Limeira 13484-350 SP, Brazil.
| | - Maria Eduarda Martelli
- School of Applied Sciences, State University of Campinas (UNICAMP), Limeira 13484-350 SP, Brazil.
| | - Olivia Pizetta Zordão
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
| | - Fabiana Tannihão
- School of Applied Sciences, State University of Campinas (UNICAMP), Limeira 13484-350 SP, Brazil.
| | | | - Heloisa Balan Assalin
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
| | - Dioze Guadagnini
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
| | - Guilherme Zweig Rocha
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
| | - Mario Jose Abdalla Saad
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
| | - Patricia Oliveira Prada
- School of Applied Sciences, State University of Campinas (UNICAMP), Limeira 13484-350 SP, Brazil.
- Department of Internal Medicine, State University of Campinas (UNICAMP), Campinas 13083-887 SP, Brazil.
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46
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Catinean A, Neag MA, Muntean DM, Bocsan IC, Buzoianu AD. An overview on the interplay between nutraceuticals and gut microbiota. PeerJ 2018; 6:e4465. [PMID: 29576949 PMCID: PMC5855885 DOI: 10.7717/peerj.4465] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 02/15/2018] [Indexed: 12/26/2022] Open
Abstract
Background Nowadays, growing attention was being given to the alternative ways to prevent or treat diseases. Nutraceuticals are used increasingly for this purpose. Many of these are being used as alternative therapy. Classic therapy with synthetic drugs, although very effective, has many side effects. The term “nutraceuticals” refers to the link between the nutritional and pharmaceutical domains. Also, lately, many studies have been done to investigate the role of microbiota in maintaining health. There is the hypothesis that some of the health benefits of nutraceuticals are due to their ability to change the microbiota. The aim of this review was to emphasize the link between the most commonly used nutraceuticals, the microbiota and the health benefits. Methods We selected the articles in PubMed, published up to July 2017, that provided information about most used nutraceuticals, microbiota and health benefits. In this review, we incorporate evidence from various types of studies, including observational, in vitro and in vivo, clinical studies or animal experiments. Results The results demonstrate that many nutraceuticals change the composition of microbiota and can interfere with health status of the patients. Discussion There is evidence which sustains the importance of nutraceuticals in people’s health through microbiota but further studies are needed to complete the assessment of nutraceuticals in health benefit as a consequence of microbiota’s changing.
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Affiliation(s)
- Adrian Catinean
- Department of Internal Medicine/Faculty of Medicine, University of Medicine and Pharmacy of Cluj-Napoca, Cluj-Napoca, Romania
| | - Maria Adriana Neag
- Department of Pharmacology, Toxicology and Clinical Pharmacology/Faculty of Medicine, University of Medicine and Pharmacy of Cluj-Napoca, Cluj-Napoca, Romania
| | - Dana Maria Muntean
- Department of Pharmaceutical Technology and Biopharmaceutics/Faculty of Pharmacy, University of Medicine and Pharmacy of Cluj-Napoca, Cluj-Napoca, Romania
| | - Ioana Corina Bocsan
- Department of Pharmacology, Toxicology and Clinical Pharmacology/Faculty of Medicine, University of Medicine and Pharmacy of Cluj-Napoca, Cluj-Napoca, Romania
| | - Anca Dana Buzoianu
- Department of Pharmacology, Toxicology and Clinical Pharmacology/Faculty of Medicine, University of Medicine and Pharmacy of Cluj-Napoca, Cluj-Napoca, Romania
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47
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Leber A, Hontecillas R, Tubau-Juni N, Zoccoli-Rodriguez V, Abedi V, Bassaganya-Riera J. NLRX1 Modulates Immunometabolic Mechanisms Controlling the Host-Gut Microbiota Interactions during Inflammatory Bowel Disease. Front Immunol 2018. [PMID: 29535731 PMCID: PMC5834749 DOI: 10.3389/fimmu.2018.00363] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Interactions among the gut microbiome, dysregulated immune responses, and genetic factors contribute to the pathogenesis of inflammatory bowel disease (IBD). Nlrx1−/− mice have exacerbated disease severity, colonic lesions, and increased inflammatory markers. Global transcriptomic analyses demonstrate enhanced mucosal antimicrobial defense response, chemokine and cytokine expression, and epithelial cell metabolism in colitic Nlrx1−/− mice compared to wild-type (WT) mice. Cell-specificity studies using cre-lox mice demonstrate that the loss of NLRX1 in intestinal epithelial cells (IEC) recapitulate the increased sensitivity to DSS colitis observed in whole body Nlrx1−/− mice. Further, organoid cultures of Nlrx1−/− and WT epithelial cells confirm the altered patterns of proliferation, amino acid metabolism, and tight junction expression. These differences in IEC behavior can impact the composition of the microbiome. Microbiome analyses demonstrate that colitogenic bacterial taxa such as Veillonella and Clostridiales are increased in abundance in Nlrx1−/− mice and in WT mice co-housed with Nlrx1−/− mice. The transfer of an Nlrx1−/−-associated gut microbiome through co-housing worsens disease in WT mice confirming the contributions of the microbiome to the Nlrx1−/− phenotype. To validate NLRX1 effects on IEC metabolism mediate gut–microbiome interactions, restoration of WT glutamine metabolic profiles through either exogenous glutamine supplementation or administration of 6-diazo-5-oxo-l-norleucine abrogates differences in inflammation, microbiome, and overall disease severity in Nlrx1−/− mice. The influence NLRX1 deficiency on SIRT1-mediated effects is identified to be an upstream controller of the Nlrx1−/− phenotype in intestinal epithelial cell function and metabolism. The altered IEC function and metabolisms leads to changes in barrier permeability and microbiome interactions, in turn, promoting greater translocation and inflammation and resulting in an increased disease severity. In conclusion, NLRX1 is an immunoregulatory molecule and a candidate modulator of the interplay between mucosal inflammation, metabolism, and the gut microbiome during IBD.
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Affiliation(s)
- Andrew Leber
- Landos Biopharma, Inc., Blacksburg, VA, United States.,Nutritional Immunology and Molecular Medicine Laboratory, Biocomplexity Institute of Virginia Tech, Blacksburg, VA, United States
| | - Raquel Hontecillas
- Landos Biopharma, Inc., Blacksburg, VA, United States.,Nutritional Immunology and Molecular Medicine Laboratory, Biocomplexity Institute of Virginia Tech, Blacksburg, VA, United States
| | - Nuria Tubau-Juni
- Nutritional Immunology and Molecular Medicine Laboratory, Biocomplexity Institute of Virginia Tech, Blacksburg, VA, United States
| | | | - Vida Abedi
- Nutritional Immunology and Molecular Medicine Laboratory, Biocomplexity Institute of Virginia Tech, Blacksburg, VA, United States.,Department of Biomedical and Translational Informatics, Geisinger Health System, Danville, PA, United States
| | - Josep Bassaganya-Riera
- Landos Biopharma, Inc., Blacksburg, VA, United States.,Nutritional Immunology and Molecular Medicine Laboratory, Biocomplexity Institute of Virginia Tech, Blacksburg, VA, United States
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48
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Fonseca FAH, Izar MC, Maugeri IML, Berwanger O, Damiani LP, Pinto IM, Szarf G, França CN, Bianco HT, Moreira FT, Caixeta A, Alves CMR, Soriano Lopes A, Klassen A, Tavares MFM, Fonseca HA, Carvalho ACC. Effects of four antiplatelet/statin combined strategies on immune and inflammatory responses in patients with acute myocardial infarction undergoing pharmacoinvasive strategy: Design and rationale of the B and T Types of Lymphocytes Evaluation in Acute Myocardial Infarction (BATTLE-AMI) study: study protocol for a randomized controlled trial. Trials 2017; 18:601. [PMID: 29258572 PMCID: PMC5735810 DOI: 10.1186/s13063-017-2361-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Accepted: 11/17/2017] [Indexed: 02/07/2023] Open
Abstract
Background Early reperfusion of the occluded coronary artery during acute myocardial infarction is considered crucial for reduction of infarcted mass and recovery of ventricular function. Effective microcirculation and the balance between protective and harmful lymphocytes may have roles in reperfusion injury and may affect final ventricular remodeling. Methods/design BATTLE-AMI is an open-label, randomized trial comparing the effects of four therapeutic strategies (rosuvastatin/ticagrelor, rosuvastatin/clopidogrel, simvastatin plus ezetimibe/ticagrelor, or simvastatin plus ezetimibe/clopidogrel) on infarcted mass and left ventricular ejection fraction (LVEF) (blinded endpoints) in patients with ST-segment elevation myocardial infarction submitted to fibrinolytic therapy before coronary angiogram (pharmacoinvasive strategy). All patients (n = 300, 75 per arm) will be followed up for six months. The effects of treatment on subsets of B and T lymphocytes will be determined by flow-cytometry/ELISPOT and will be correlated with the infarcted mass, LVEF, and microcirculation perfusion obtained by cardiac magnetic resonance imaging. The primary hypothesis is that the combined rosuvastatin/ticagrelor therapy will be superior to other therapies (particularly for the comparison with simvastatin plus ezetimibe/clopidogrel) for the achievement of better LVEF at 30 days (primary endpoint) and smaller infarcted mass (secondary endpoint) at 30 days and six months. The trial will also evaluate the improvement in the immune/inflammatory responses mediated by B and T lymphocytes. Omics field (metabolomics and proteomics) will help to understand these responses by molecular events. Discussion BATTLE-AMI is aimed to (1) evaluate the role of subsets of lymphocytes on microcirculation improvement and (2) show how the choice of statin/antiplatelet therapy may affect cardiac remodeling after acute myocardial infarction with ST elevation. Trial registration ClinicalTrials.gov, NCT02428374. Registered on 28 September 2014. Electronic supplementary material The online version of this article (doi:10.1186/s13063-017-2361-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Francisco A H Fonseca
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil.
| | - Maria Cristina Izar
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Ieda M L Maugeri
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Otavio Berwanger
- Hospital do Coração, Rua Desembargador Eliseu Guilherme, 147, São Paulo, Brazil
| | - Lucas P Damiani
- Hospital do Coração, Rua Desembargador Eliseu Guilherme, 147, São Paulo, Brazil
| | - Ibraim M Pinto
- Instituto Dante Pazzanese de Cardiologia, Avenida Dante Pazzanese 500, São Paulo, Brazil
| | - Gilberto Szarf
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Carolina N França
- Universidade Santo Amaro, Rua Professor Enéas de Siqueira 340, São Paulo, Brazil
| | - Henrique T Bianco
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Flavio T Moreira
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Adriano Caixeta
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Claudia M R Alves
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Aline Soriano Lopes
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Aline Klassen
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Marina F M Tavares
- Universidade de São Paulo, Avenida Professor Lineu Prestes, 748, São Paulo, Brazil
| | - Henrique A Fonseca
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
| | - Antonio C C Carvalho
- Universidade Federal de São Paulo, Rua Loefgren 1350, 04040-001, São Paulo, SP, Brazil
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Wilmore DW. Food and Drug Administration Approval of Glutamine for Sickle Cell Disease: Success and Precautions in Glutamine Research. JPEN J Parenter Enteral Nutr 2017; 41:912-917. [PMID: 28858569 DOI: 10.1177/0148607117727271] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Org E, Blum Y, Kasela S, Mehrabian M, Kuusisto J, Kangas AJ, Soininen P, Wang Z, Ala-Korpela M, Hazen SL, Laakso M, Lusis AJ. Relationships between gut microbiota, plasma metabolites, and metabolic syndrome traits in the METSIM cohort. Genome Biol 2017; 18:70. [PMID: 28407784 PMCID: PMC5390365 DOI: 10.1186/s13059-017-1194-2] [Citation(s) in RCA: 216] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 03/16/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND The gut microbiome is a complex and metabolically active community that directly influences host phenotypes. In this study, we profile gut microbiota using 16S rRNA gene sequencing in 531 well-phenotyped Finnish men from the Metabolic Syndrome In Men (METSIM) study. RESULTS We investigate gut microbiota relationships with a variety of factors that have an impact on the development of metabolic and cardiovascular traits. We identify novel associations between gut microbiota and fasting serum levels of a number of metabolites, including fatty acids, amino acids, lipids, and glucose. In particular, we detect associations with fasting plasma trimethylamine N-oxide (TMAO) levels, a gut microbiota-dependent metabolite associated with coronary artery disease and stroke. We further investigate the gut microbiota composition and microbiota-metabolite relationships in subjects with different body mass index and individuals with normal or altered oral glucose tolerance. Finally, we perform microbiota co-occurrence network analysis, which shows that certain metabolites strongly correlate with microbial community structure and that some of these correlations are specific for the pre-diabetic state. CONCLUSIONS Our study identifies novel relationships between the composition of the gut microbiota and circulating metabolites and provides a resource for future studies to understand host-gut microbiota relationships.
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Affiliation(s)
- Elin Org
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA. .,Estonian Genome Centre, University of Tartu, Tartu, 51010, Estonia.
| | - Yuna Blum
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Silva Kasela
- Estonian Genome Centre, University of Tartu, Tartu, 51010, Estonia.,Institute of Molecular and Cell Biology, University of Tartu, Tartu, 51010, Estonia
| | - Margarete Mehrabian
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Johanna Kuusisto
- Institute of Clinical Medicine, Internal Medicine, University of Eastern Finland, Kuopio, Finland.,Kuopio University Hospital, Kuopio, Finland
| | - Antti J Kangas
- Computational Medicine, Faculty of Medicine, University of Oulu and Biocenter Oulu, Oulu, Finland
| | - Pasi Soininen
- Computational Medicine, Faculty of Medicine, University of Oulu and Biocenter Oulu, Oulu, Finland.,NMR metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Zeneng Wang
- Department of Cellular and Molecular Medicine, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Mika Ala-Korpela
- Computational Medicine, Faculty of Medicine, University of Oulu and Biocenter Oulu, Oulu, Finland.,NMR metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland.,Computational Medicine, School of Social and Community Medicine, University of Bristol and Medical Research Council Integrative Epidemiology Unit at the University of Bristol, Bristol, UK
| | - Stanley L Hazen
- Department of Cellular and Molecular Medicine, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Markku Laakso
- Institute of Clinical Medicine, Internal Medicine, University of Eastern Finland, Kuopio, Finland.,Kuopio University Hospital, Kuopio, Finland
| | - Aldons J Lusis
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA. .,Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA. .,Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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