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Wang Q, Mackay CR. High metabolite concentrations in portal venous blood as a possible mechanism for microbiota effects on the immune system and Western diseases. J Allergy Clin Immunol 2024; 153:980-982. [PMID: 37992816 DOI: 10.1016/j.jaci.2023.10.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 10/02/2023] [Accepted: 10/25/2023] [Indexed: 11/24/2023]
Affiliation(s)
- Quanbo Wang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in the Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Charles R Mackay
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in the Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China; Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne, Australia.
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2
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R Muralitharan R, Nakai ME, Snelson M, Zheng T, Dinakis E, Xie L, Jama H, Paterson M, Shihata W, Wassef F, Vinh A, Drummond GR, Kaye DM, Mackay CR, Marques FZ. Influence of angiotensin II on the gut microbiome: Modest effects in comparison to experimental factors. Cardiovasc Res 2024:cvae062. [PMID: 38518247 DOI: 10.1093/cvr/cvae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/12/2023] [Accepted: 01/08/2024] [Indexed: 03/24/2024] Open
Abstract
INTRODUCTION Animal models are regularly used to test the role of the gut microbiome in hypertension. Small-scale pre-clinical studies have investigated changes to the gut microbiome in the angiotensin II hypertensive model. However, the gut microbiome is influenced by internal and external experimental factors which are not regularly considered in the study design. Once these factors are accounted for, it is unclear if microbiome signatures are reproduceable. We aimed to determine the influence of angiotensin II treatment on the gut microbiome using a large and diverse cohort of mice and to quantify the magnitude by which other factors contribute to microbiome variations. METHODS AND RESULTS We conducted a retrospective study to establish a diverse mouse cohort resembling large human studies. We sequenced the V4 region of the 16S rRNA gene from 538 samples across the gastrointestinal tract of 303 male and female C57BL/6J mice randomised into sham or angiotensin II treatment from different genotypes, diets, animal facilities, and age groups. Analysing over 17 million sequencing reads, we observed that angiotensin II treatment influenced α-diversity (P = 0.0137) and β-diversity (i.e., composition of the microbiome, P < 0.001). Bacterial abundance analysis revealed patterns consistent with a reduction in short-chain fatty acid-producers, microbial metabolites that lower blood pressure. Furthermore, animal facility, genotype, diet, age, sex, intestinal sampling site, and sequencing batch had significant effects on both α- and β-diversity (all P < 0.001). Sampling site (6.8%) and diet (6%) had the largest impact on the microbiome, while angiotensin II and sex had the smallest effect (each 0.4%). CONCLUSIONS Our large-scale data confirmed findings from small-scale studies that angiotensin II impacted the gut microbiome. However, this effect was modest relative to most of the other factors studied. Accounting for these factors in future pre-clinical hypertensive studies will increase the likelihood that microbiome findings are replicable and translatable.
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Affiliation(s)
- Rikeish R Muralitharan
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia
| | - Michael E Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Matthew Snelson
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Victorian Heart Institute, Monash University, Melbourne, Australia
| | - Tenghao Zheng
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Evany Dinakis
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Liang Xie
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Hamdi Jama
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Madeleine Paterson
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Waled Shihata
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Flavia Wassef
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - Antony Vinh
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - Grant R Drummond
- Department of Microbiology, Anatomy, Physiology, La Trobe University, Melbourne, Australia
| | - David M Kaye
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
- Department of Cardiology, Alfred Hospital, Melbourne, Australia
- Central Clinical School, Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biodiscovery Institute, Monash University, Melbourne, Australia
- Department of Biochemistry, Monash University, Melbourne, Australia
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
- Victorian Heart Institute, Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia
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3
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Qu X, Song Y, Li Q, Xu Q, Li Y, Zhang H, Cheng X, Mackay CR, Wang Q, Liu W. Indole-3-acetic acid ameliorates dextran sulfate sodium-induced colitis via the ERK signaling pathway. Arch Pharm Res 2024; 47:288-299. [PMID: 38489148 DOI: 10.1007/s12272-024-01488-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 03/06/2024] [Indexed: 03/17/2024]
Abstract
Microbiota-derived catabolism of nutrients is closely related to ulcerative colitis (UC). The level of indole-3-acetic acid (IAA), a microbiota-dependent metabolite of tryptophan, was decreased significantly in the feces of UC patients. Thus supplementation with IAA could be a potential therapeutic method for ameliorating colitis. In this work, the protective effect of supplementation with IAA on dextran sulfate sodium (DSS)-induced colitis was evaluated, and the underlying mechanism was elucidated. The results indicated that the administration of IAA significantly relieved DSS-induced weight loss, reduced the disease activity index (DAI), restored colon length, alleviated intestinal injury, and improved the intestinal tight junction barrier. Furthermore, IAA inhibited intestinal inflammation by reducing the expression of proinflammatory cytokines and promoting the production of IL-10 and TGF-β1. In addition, the ERK signaling pathway is an important mediator of various physiological processes including inflammatory responses and is closely associated with the expression of IL-10. Notably, IAA treatment induced the activation of extracellular signal-regulated kinase (ERK), which is involved in the progression of colitis, while the ERK inhibitor U0126 attenuated the beneficial effects of IAA. In summary, IAA could attenuate the clinical symptoms of colitis, and the ERK signaling pathway was involved in the underlying mechanism. Supplementation with IAA could be a potential option for preventing or ameliorating UC.
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Affiliation(s)
- Xinyan Qu
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Yingying Song
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Qingjun Li
- Experimental Center, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Qi Xu
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Yanru Li
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Huimin Zhang
- Shandong Academy of Chinese Medicine, Jinan, China
| | - Xuemei Cheng
- Shandong Center for Disease Control and Prevention, Jinan, China
| | - Charles R Mackay
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Quanbo Wang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.
| | - Wei Liu
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.
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Fahimi F, Alam MJ, Ang C, Adhyatma GP, Xie L, Mackay CR, Robert R. Human CXCR1 knock-in mice infer functional expression of a murine ortholog. J Leukoc Biol 2023; 114:373-380. [PMID: 37478375 DOI: 10.1093/jleuko/qiad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 06/05/2023] [Accepted: 06/26/2023] [Indexed: 07/23/2023] Open
Abstract
Targeting CXCR1 and CXCR2 chemokine receptors to block neutrophil migration to sites of inflammation is a promising therapeutic approach for various inflammatory and autoimmune diseases. However, assessing the translational potential of such therapies using mouse models is challenging due to the unclear expression of CXCR1 at the protein level. Although CXCR2 has been well characterized in both mice and humans, the protein-level expression of CXCR1 in mice (mCXCR1) remains controversial. To address this issue, we generated a novel human CXCR1 knock-in (hCXCR1 KI) mouse model in which the transgene is under the control of the native mouse promoter and regulatory elements. Using an anti-human CXCR1 monoclonal antibody (anti-hCXCR1 monoclonal antibody), we found that hCXCR1 was highly expressed on neutrophils in the hCXCR1 KI mice, comparable to levels observed in human neutrophils. This successful expression of hCXCR1 in this mouse model suggests that functional mCXCR1 likely exists. To investigate the functional role of CXCR1, we investigated how antagonizing this receptor using anti-hCXCR1 monoclonal antibody in the arthritis model would affect disease outcomes. Antibody treatment significantly alleviated all signs of joint inflammation. In summary, our newly generated hCXCR1 KI transgenic mice provide a valuable tool to investigate the therapeutic efficacy of small molecules or monoclonal antibodies that antagonize this receptor in neutrophil-mediated pathologies.
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Affiliation(s)
- Farnaz Fahimi
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Md Jahangir Alam
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Caroline Ang
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Galih Prakasa Adhyatma
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Liang Xie
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Charles R Mackay
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Remy Robert
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
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Zhou Y, Xie L, Schröder J, Schuster IS, Nakai M, Sun G, Sun YBY, Mariño E, Degli-Esposti MA, Marques FZ, Grubman A, Polo JM, Mackay CR. Dietary Fiber and Microbiota Metabolite Receptors Enhance Cognition and Alleviate Disease in the 5xFAD Mouse Model of Alzheimer's Disease. J Neurosci 2023; 43:6460-6475. [PMID: 37596052 PMCID: PMC10506626 DOI: 10.1523/jneurosci.0724-23.2023] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/20/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder with poorly understood etiology. AD has several similarities with other "Western lifestyle" inflammatory diseases, where the gut microbiome and immune pathways have been associated. Previously, we and others have noted the involvement of metabolite-sensing GPCRs and their ligands, short-chain fatty acids (SCFAs), in protection of numerous Western diseases in mouse models, such as Type I diabetes and hypertension. Depletion of GPR43, GPR41, or GPR109A accelerates disease, whereas high SCFA yielding diets protect in mouse models. Here, we extended the concept that metabolite-sensing receptors and SCFAs may be a more common protective mechanism against Western diseases by studying their role in AD pathogenesis in the 5xFAD mouse model. Both male and female mice were included. Depletion of GPR41 and GPR43 accelerated cognitive decline and impaired adult hippocampal neurogenesis in 5xFAD and WT mice. Lack of fiber/SCFAs accelerated a memory deficit, whereas diets supplemented with high acetate and butyrate (HAMSAB) delayed cognitive decline in 5xFAD mice. Fiber intake impacted on microglial morphology in WT mice and microglial clustering phenotype in 5xFAD mice. Lack of fiber impaired adult hippocampal neurogenesis in both W and AD mice. Finally, maternal dietary fiber intake significantly affects offspring's cognitive functions in 5xFAD mice and microglial transcriptome in both WT and 5xFAD mice, suggesting that SCFAs may exert their effect during pregnancy and lactation. Together, metabolite-sensing GPCRs and SCFAs are essential for protection against AD, and reveal a new strategy for disease prevention.Significance Statement Alzheimer's disease (AD) is one of the most common neurodegenerative diseases; currently, there is no cure for AD. In our study, short-chain fatty acids and metabolite receptors play an important role in cognitive function and pathology in AD mouse model as well as in WT mice. SCFAs also impact on microglia transcriptome, and immune cell recruitment. Out study indicates the potential of specialized diets (supplemented with high acetate and butyrate) releasing high amounts of SCFAs to protect against disease.
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Affiliation(s)
- Yichen Zhou
- Department of Microbiology, Monash University, Clayton, Victoria, Australia, 3800
| | - Liang Xie
- Department of Microbiology, Monash University, Clayton, Victoria, Australia, 3800
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, Victoria, Australia, 3800
| | - Jan Schröder
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia, 3800
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Victoria, Australia, 3800
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia, 3800
| | - Iona S Schuster
- Department of Microbiology, Monash University, Clayton, Victoria, Australia, 3800
- Center for Experimental Immunology, Lions Eye Institute, Nedlands, Western Australia, Australia, 6009
| | - Michael Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, Victoria, Australia, 3800
| | - Guizhi Sun
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia, 3800
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Victoria, Australia, 3800
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia, 3800
| | - Yu B Y Sun
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia, 3800
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Victoria, Australia, 3800
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia, 3800
| | - Eliana Mariño
- Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia, 3800
| | - Mariapia A Degli-Esposti
- Department of Microbiology, Monash University, Clayton, Victoria, Australia, 3800
- Center for Experimental Immunology, Lions Eye Institute, Nedlands, Western Australia, Australia, 6009
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, Victoria, Australia, 3800
- Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia, 6009
| | - Alexandra Grubman
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia, 3800
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Victoria, Australia, 3800
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia, 3800
| | - Jose M Polo
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia, 3800
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Victoria, Australia, 3800
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia, 3800
| | - Charles R Mackay
- Department of Microbiology, Monash University, Clayton, Victoria, Australia, 3800
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China, 6009
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Zhang W, Mackay CR, Gershwin ME. Immunomodulatory Effects of Microbiota-Derived Short-Chain Fatty Acids in Autoimmune Liver Diseases. J Immunol 2023; 210:1629-1639. [PMID: 37186939 PMCID: PMC10188201 DOI: 10.4049/jimmunol.2300016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 02/01/2023] [Indexed: 05/17/2023]
Abstract
Nonpathogenic commensal microbiota and their metabolites and components are essential to maintain a tolerogenic environment and promote beneficial health effects. The metabolic environment critically impacts the outcome of immune responses and likely impacts autoimmune and allergic responses. Short-chain fatty acids (SCFAs) are the main metabolites produced by microbial fermentation in the gut. Given the high concentration of SCFAs in the gut and portal vein and their broad immune regulatory functions, SCFAs significantly influence immune tolerance and gut-liver immunity. Alterations of SCFA-producing bacteria and SCFAs have been identified in a multitude of inflammatory diseases. These data have particular significance in primary biliary cholangitis, primary sclerosing cholangitis, and autoimmune hepatitis because of the close proximity of the liver to the gut. In this focused review, we provide an update on the immunologic consequences of SCFA-producing microbiota and in particular on three dominant SCFAs in autoimmune liver diseases.
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Affiliation(s)
- Weici Zhang
- Division of Rheumatology, Allergy, and Clinical Immunology, School of Medicine, University of California Davis, CA, USA
| | - Charles R. Mackay
- Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, Melbourne, Australia
| | - M. Eric Gershwin
- Division of Rheumatology, Allergy, and Clinical Immunology, School of Medicine, University of California Davis, CA, USA
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Xie L, Alam MJ, Marques FZ, Mackay CR. A major mechanism for immunomodulation: Dietary fibres and acid metabolites. Semin Immunol 2023; 66:101737. [PMID: 36857894 DOI: 10.1016/j.smim.2023.101737] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 01/17/2023] [Accepted: 02/09/2023] [Indexed: 03/01/2023]
Abstract
Diet and the gut microbiota have a profound influence on physiology and health, however, mechanisms are still emerging. Here we outline several pathways that gut microbiota products, particularly short-chain fatty acids (SCFAs), use to maintain gut and immune homeostasis. Dietary fibre is fermented by the gut microbiota in the colon, and large quantities of SCFAs such as acetate, propionate, and butyrate are produced. Dietary fibre and SCFAs enhance epithelial integrity and thereby limit systemic endotoxemia. Moreover, SCFAs inhibit histone deacetylases (HDAC), and thereby affect gene transcription. SCFAs also bind to 'metabolite-sensing' G-protein coupled receptors (GPCRs) such as GPR43, which promotes immune homeostasis. The enormous amounts of SCFAs produced in the colon are sufficient to lower pH, which affects the function of proton sensors such as GPR65 expressed on the gut epithelium and immune cells. GPR65 is an anti-inflammatory Gαs-coupled receptor, which leads to the inhibition of inflammatory cytokines. The importance of GPR65 in inflammatory diseases is underscored by genetics associated with the missense variant I231L (rs3742704), which is associated with human inflammatory bowel disease, atopic dermatitis, and asthma. There is enormous scope to manipulate these pathways using specialized diets that release very high amounts of specific SCFAs in the gut, and we believe that therapies that rely on chemically modified foods is a promising approach. Such an approach includes high SCFA-producing diets, which we have shown to decrease numerous inflammatory western diseases in mouse models. These diets operate at many levels - increased gut integrity, changes to the gut microbiome, and promotion of immune homeostasis, which represents a new and highly promising way to prevent or treat human disease.
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Affiliation(s)
- Liang Xie
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, VIC 3800, Australia
| | - Md Jahangir Alam
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, VIC 3800, Australia; Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne,VIC 3004, Australia
| | - Charles R Mackay
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China.
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8
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Song Y, Qu X, Guo M, Hu Q, Mu Y, Hao N, Wei Y, Wang Q, Mackay CR. Indole acetylated high-amylose maize starch: Synthesis, characterization and application for amelioration of colitis. Carbohydr Polym 2023; 302:120425. [PMID: 36604087 DOI: 10.1016/j.carbpol.2022.120425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022]
Abstract
Tryptophan metabolites such as indole-3-acetic acid (IAA) are critical for gut health, through their binding to the aryl hydrocarbon receptor (AhR), and may be useful for treatment of gastrointestinal diseases. Delivery of IAA to the colon is necessary, and one strategy is use of esterified starches which get digested in the colon by gut microbes. High amylose maize starch (HAMS) resists digestion in the upper gastrointestinal tract and is fermented by gut microbiota to release short-chain fatty acids (SCFAs), which are also beneficial to intestinal homeostasis. IAA esterified to HAMS (HAMSIAA) was synthesized with different degrees of substitution (DSs) by controlling the ratio of IAA vs HAMS. Successful incorporation of indole acetyl group was verified by NMR and FTIR spectra. XRD revealed that the crystalline type of HAMSIAA changed from B to V-type. SEM showed the destroyed surface of the starch granules. HAMSIAA with DS ~ 0.3 effectively increased IAA in the colon, to levels unachievable by oral IAA delivery. HAMSIAA increased pathways downstream of AhR activation, including CYP1A1 mRNA expression and IL-22 protein levels, and greatly improved DSS-induced colitis. HAMSIAA could serve as an ideal means for colon-targeted delivery of IAA and a promising nutraceutical for amelioration of inflammatory conditions.
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Affiliation(s)
- Yingying Song
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Xinyan Qu
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Mei Guo
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Qiongzheng Hu
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yan Mu
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Na Hao
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Yunbo Wei
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Quanbo Wang
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China.
| | - Charles R Mackay
- Laboratory of Immunology for Environment and Health, School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne 3800, Australia.
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Affiliation(s)
- Charles R Mackay
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China (C.R.M.).,Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia (C.R.M.)
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, VIC, Australia (F.Z.M.).,Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M.)
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10
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Xu Q, Zhang R, Mu Y, Song Y, Hao N, Wei Y, Wang Q, Mackay CR. Propionate Ameliorates Alcohol-Induced Liver Injury in Mice via the Gut-Liver Axis: Focus on the Improvement of Intestinal Permeability. J Agric Food Chem 2022; 70:6084-6096. [PMID: 35549256 DOI: 10.1021/acs.jafc.2c00633] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Alcohol-related liver disease (ALD) is a major cause of chronic liver disease worldwide with limited therapeutic options. Here, we first revealed the promising beneficial effect of gut microbiota-derived propionate on alcoholic liver injury in mice. This effect was dependent on the modulation of homeostasis of the gut-liver axis, especially the improvement of intestinal permeability. Dietary supplementation with propionate protected against ethanol-induced loss of hepatic function and hepatic steatosis in mice. Meanwhile, propionate treatment attenuated intestinal epithelial barrier dysfunction, restored the expression of intestinal mucus layer components, suppressed intestinal inflammation, and altered intestinal microbiota dysbiosis, which inhibited the intestinal hyperpermeability and subsequently reduced lipopolysaccharide leakage in ALD mice. Furthermore, as a consequence of endotoxemia amelioration, the liver inflammation-related TLR4-NF-κB pathway was inhibited. Collectively, our results suggested that propionate supplementation may be a promising option for the prevention and treatment of ALD.
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Affiliation(s)
- Qi Xu
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Renshuai Zhang
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266071, China
| | - Yan Mu
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yue Song
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Na Hao
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yunbo Wei
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Charles R Mackay
- School of Pharmaceutical Sciences, Laboratory of Immunology for Environment and Health, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne 3800, Australia
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11
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Mayer JU, Hilligan KL, Chandler JS, Eccles DA, Old SI, Domingues RG, Yang J, Webb GR, Munoz-Erazo L, Hyde EJ, Wakelin KA, Tang SC, Chappell SC, von Daake S, Brombacher F, Mackay CR, Sher A, Tussiwand R, Connor LM, Gallego-Ortega D, Jankovic D, Le Gros G, Hepworth MR, Lamiable O, Ronchese F. Author Correction: Homeostatic IL-13 in healthy skin directs dendritic cell differentiation to promote T H2 and inhibit T H17 cell polarization. Nat Immunol 2022; 23:985. [PMID: 35418649 DOI: 10.1038/s41590-022-01203-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Johannes U Mayer
- Malaghan Institute of Medical Research, Wellington, New Zealand.,Department of Dermatology and Allergology, Phillips University Marburg, Marburg, Germany
| | - Kerry L Hilligan
- Malaghan Institute of Medical Research, Wellington, New Zealand.,Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | | | - David A Eccles
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Samuel I Old
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Rita G Domingues
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Jianping Yang
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Greta R Webb
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | | | - Evelyn J Hyde
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | | | | | | | | | - Frank Brombacher
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town component & Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology, Health Science Faculty, University of Cape Town, Cape Town, South Africa
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Roxane Tussiwand
- Department of Biomedicine, University of Basel, Basel, Switzerland.,Immune Regulation Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Lisa M Connor
- Malaghan Institute of Medical Research, Wellington, New Zealand.,School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - David Gallego-Ortega
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,Centre for Single-Cell Technology, School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, Australia
| | - Dragana Jankovic
- Immunoparasitology Unit, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Graham Le Gros
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Matthew R Hepworth
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | | | - Franca Ronchese
- Malaghan Institute of Medical Research, Wellington, New Zealand.
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12
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Bell KJ, Saad S, Tillett BJ, McGuire HM, Bordbar S, Yap YA, Nguyen LT, Wilkins MR, Corley S, Brodie S, Duong S, Wright CJ, Twigg S, de St Groth BF, Harrison LC, Mackay CR, Gurzov EN, Hamilton-Williams EE, Mariño E. Metabolite-based dietary supplementation in human type 1 diabetes is associated with microbiota and immune modulation. Microbiome 2022; 10:9. [PMID: 35045871 PMCID: PMC8772108 DOI: 10.1186/s40168-021-01193-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 11/04/2021] [Indexed: 05/04/2023]
Abstract
BACKGROUND Short-chain fatty acids (SCFAs) produced by the gut microbiota have beneficial anti-inflammatory and gut homeostasis effects and prevent type 1 diabetes (T1D) in mice. Reduced SCFA production indicates a loss of beneficial bacteria, commonly associated with chronic autoimmune and inflammatory diseases, including T1D and type 2 diabetes. Here, we addressed whether a metabolite-based dietary supplement has an impact on humans with T1D. We conducted a single-arm pilot-and-feasibility trial with high-amylose maize-resistant starch modified with acetate and butyrate (HAMSAB) to assess safety, while monitoring changes in the gut microbiota in alignment with modulation of the immune system status. RESULTS HAMSAB supplement was administered for 6 weeks with follow-up at 12 weeks in adults with long-standing T1D. Increased concentrations of SCFA acetate, propionate, and butyrate in stools and plasma were in concert with a shift in the composition and function of the gut microbiota. While glucose control and insulin requirements did not change, subjects with the highest SCFA concentrations exhibited the best glycemic control. Bifidobacterium longum, Bifidobacterium adolescentis, and vitamin B7 production correlated with lower HbA1c and basal insulin requirements. Circulating B and T cells developed a more regulatory phenotype post-intervention. CONCLUSION Changes in gut microbiota composition, function, and immune profile following 6 weeks of HAMSAB supplementation were associated with increased SCFAs in stools and plasma. The persistence of these effects suggests that targeting dietary SCFAs may be a mechanism to alter immune profiles, promote immune tolerance, and improve glycemic control for the treatment of T1D. TRIAL REGISTRATION ACTRN12618001391268. Registered 20 August 2018, https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375792 Video Abstract.
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Affiliation(s)
- Kirstine J Bell
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Faculty of Medicine and Health, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Sonia Saad
- Kolling Institute of Medical Research, Royal North Shore Hospital, Sydney Medical School, University of Sydney, St Leonards, Sydney, New South Wales, Australia
| | - Bree J Tillett
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, Brisbane, Queensland, 4102, Australia
| | - Helen M McGuire
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Discipline of Pathology, Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Ramaciotti Facility for Human Systems Biology, The University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
| | - Sara Bordbar
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Melbourne, Victoria, 3800, Australia
| | - Yu Anne Yap
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Melbourne, Victoria, 3800, Australia
| | - Long T Nguyen
- Kolling Institute of Medical Research, Royal North Shore Hospital, Sydney Medical School, University of Sydney, St Leonards, Sydney, New South Wales, Australia
| | - Marc R Wilkins
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Susan Corley
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Shannon Brodie
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
| | - Sussan Duong
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
| | - Courtney J Wright
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Faculty of Medicine and Health, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Stephen Twigg
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Faculty of Medicine and Health, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Barbara Fazekas de St Groth
- Charles Perkins Centre, University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Discipline of Pathology, Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
- Ramaciotti Facility for Human Systems Biology, The University of Sydney, Camperdown, Sydney, New South Wales, 2050, Australia
| | - Leonard C Harrison
- Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, Victoria, 3052, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Melbourne, Victoria, 3800, Australia
| | - Esteban N Gurzov
- Signal Transduction and Metabolism Laboratory, Université libre de Bruxelles, 1070, Brussels, Belgium
| | - Emma E Hamilton-Williams
- The University of Queensland Diamantina Institute, The University of Queensland, Woolloongabba, Brisbane, Queensland, 4102, Australia.
| | - Eliana Mariño
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Melbourne, Victoria, 3800, Australia.
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13
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Zhang Y, Wang Q, Mackay CR, Ng LG, Kwok I. Neutrophil subsets and their differential roles in viral respiratory diseases. J Leukoc Biol 2022; 111:1159-1173. [PMID: 35040189 PMCID: PMC9015493 DOI: 10.1002/jlb.1mr1221-345r] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/28/2021] [Accepted: 01/04/2022] [Indexed: 12/19/2022] Open
Abstract
Neutrophils play significant roles in immune homeostasis and as neutralizers of microbial infections. Recent evidence further suggests heterogeneity of neutrophil developmental and activation states that exert specialized effector functions during inflammatory disease conditions. Neutrophils can play multiple roles during viral infections, secreting inflammatory mediators and cytokines that contribute significantly to host defense and pathogenicity. However, their roles in viral immunity are not well understood. In this review, we present an overview of neutrophil heterogeneity and its impact on the course and severity of viral respiratory infectious diseases. We focus on the evidence demonstrating the crucial roles neutrophils play in the immune response toward respiratory infections, using influenza as a model. We further extend the understanding of neutrophil function with the studies pertaining to COVID‐19 disease and its neutrophil‐associated pathologies. Finally, we discuss the relevance of these results for future therapeutic options through targeting and regulating neutrophil‐specific responses.
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Affiliation(s)
- Yuning Zhang
- Department of Research, National Skin Centre, Singapore, Singapore
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Charles R Mackay
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne, Australia
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, Singapore.,State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.,Department of Microbiology and Immunology, Immunology Translational Research Program, Yong Loo Lin School of Medicine, Immunology Program, Life Sciences Institute, National University of Singapore, Singapore, Singapore.,National Cancer Centre Singapore, Singapore, Singapore
| | - Immanuel Kwok
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, Singapore
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14
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Mayer JU, Hilligan KL, Chandler JS, Eccles DA, Old SI, Domingues RG, Yang J, Webb GR, Munoz-Erazo L, Hyde EJ, Wakelin KA, Tang SC, Chappell SC, von Daake S, Brombacher F, Mackay CR, Sher A, Tussiwand R, Connor LM, Gallego-Ortega D, Jankovic D, Le Gros G, Hepworth MR, Lamiable O, Ronchese F. Homeostatic IL-13 in healthy skin directs dendritic cell differentiation to promote T H2 and inhibit T H17 cell polarization. Nat Immunol 2021; 22:1538-1550. [PMID: 34795444 DOI: 10.1038/s41590-021-01067-0] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 10/05/2021] [Indexed: 01/27/2023]
Abstract
The signals driving the adaptation of type 2 dendritic cells (DC2s) to diverse peripheral environments remain mostly undefined. We show that differentiation of CD11blo migratory DC2s-a DC2 population unique to the dermis-required IL-13 signaling dependent on the transcription factors STAT6 and KLF4, whereas DC2s in lung and small intestine were STAT6-independent. Similarly, human DC2s in skin expressed an IL-4 and IL-13 gene signature that was not found in blood, spleen and lung DCs. In mice, IL-13 was secreted homeostatically by dermal innate lymphoid cells and was independent of microbiota, TSLP or IL-33. In the absence of IL-13 signaling, dermal DC2s were stable in number but remained CD11bhi and showed defective activation in response to allergens, with diminished ability to support the development of IL-4+GATA3+ helper T cells (TH), whereas antifungal IL-17+RORγt+ TH cells were increased. Therefore, homeostatic IL-13 fosters a noninflammatory skin environment that supports allergic sensitization.
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Affiliation(s)
- Johannes U Mayer
- Malaghan Institute of Medical Research, Wellington, New Zealand
- Department of Dermatology and Allergology, Phillips University Marburg, Marburg, Germany
| | - Kerry L Hilligan
- Malaghan Institute of Medical Research, Wellington, New Zealand
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | | | - David A Eccles
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Samuel I Old
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Rita G Domingues
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Jianping Yang
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Greta R Webb
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | | | - Evelyn J Hyde
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | | | | | | | | | - Frank Brombacher
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town component & Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology, Health Science Faculty, University of Cape Town, Cape Town, South Africa
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Roxane Tussiwand
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Immune Regulation Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Lisa M Connor
- Malaghan Institute of Medical Research, Wellington, New Zealand
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - David Gallego-Ortega
- The Kinghorn Cancer Centre, Garvan Institute of Medical Research, Darlinghurst, NSW, Australia
- Centre for Single-Cell Technology, School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, Australia
| | - Dragana Jankovic
- Immunoparasitology Unit, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Graham Le Gros
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - Matthew R Hepworth
- Lydia Becker Institute of Immunology and Inflammation, Manchester Collaborative Centre for Inflammation Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | | | - Franca Ronchese
- Malaghan Institute of Medical Research, Wellington, New Zealand.
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15
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Xie L, McKenzie CI, Qu X, Mu Y, Wang Q, Bing N, Naidoo K, Alam MJ, Yu D, Gong F, Ang C, Robert R, Marques FZ, Furlotte N, Hinds D, Gasser O, Xavier RJ, Mackay CR. pH and Proton Sensor GPR65 Determine Susceptibility to Atopic Dermatitis. J Immunol 2021; 207:101-109. [PMID: 34135065 PMCID: PMC8674371 DOI: 10.4049/jimmunol.2001363] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 04/15/2021] [Indexed: 12/15/2022]
Abstract
pH sensing by GPR65 regulates various inflammatory conditions, but its role in skin remains unknown. In this study, we performed a phenome-wide association study and report that the T allele of GPR65-intronic single-nucleotide polymorphism rs8005161, which reduces GPR65 signaling, showed a significant association with atopic dermatitis, in addition to inflammatory bowel diseases and asthma, as previously reported. Consistent with this genetic association in humans, we show that deficiency of GPR65 in mice resulted in markedly exacerbated disease in the MC903 experimental model of atopic dermatitis. Deficiency of GPR65 also increased neutrophil migration in vitro. Moreover, GPR65 deficiency in mice resulted in higher expression of the inflammatory cytokine TNF-α by T cells. In humans, CD4+ T cells from rs8005161 heterozygous individuals expressed higher levels of TNF-α after PMA/ionomycin stimulation, particularly under pH 6 conditions. pH sensing by GPR65 appears to be important for regulating the pathogenesis of atopic dermatitis.
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Affiliation(s)
- Liang Xie
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, Victoria, Australia
| | - Craig I McKenzie
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Xinyan Qu
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Yan Mu
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | | | - Karmella Naidoo
- Malaghan Institute of Medical Research, Victoria University of Wellington, Wellington, New Zealand
| | - Md Jahangir Alam
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Di Yu
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Fang Gong
- Department of Laboratory Medicine, Wuxi Hospital of Integrated Traditional Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - Caroline Ang
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Remy Robert
- Department of Physiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Clayton, Victoria, Australia
- Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | | | | | - Olivier Gasser
- Malaghan Institute of Medical Research, Victoria University of Wellington, Wellington, New Zealand
| | - Ramnik J Xavier
- Broad Institute, MA
- Center for Computational and Integrative Biology, Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA; and
- Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA
| | - Charles R Mackay
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia;
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
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16
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He Y, Fu L, Li Y, Wang W, Gong M, Zhang J, Dong X, Huang J, Wang Q, Mackay CR, Fu YX, Chen Y, Guo X. Gut microbial metabolites facilitate anticancer therapy efficacy by modulating cytotoxic CD8 + T cell immunity. Cell Metab 2021; 33:988-1000.e7. [PMID: 33761313 DOI: 10.1016/j.cmet.2021.03.002] [Citation(s) in RCA: 236] [Impact Index Per Article: 78.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 10/20/2020] [Accepted: 02/26/2021] [Indexed: 12/13/2022]
Abstract
Recent studies in both mice and humans have suggested that gut microbiota could modulate tumor responsiveness to chemo- or immunotherapies. However, the underlying mechanism is not clear yet. Here, we found that gut microbial metabolites, especially butyrate, could promote the efficacy of oxaliplatin by modulating CD8+ T cell function in the tumor microenvironment. Butyrate treatment directly boosted the antitumor cytotoxic CD8+ T cell responses both in vitro and in vivo in an ID2-dependent manner by promoting the IL-12 signaling pathway. In humans, the oxaliplatin responder cancer patients exhibited a higher amount of serum butyrate than did non-responders, which could also increase ID2 expression and function of human CD8+ T cells. Together, our findings suggest that the gut microbial metabolite butyrate could promote antitumor therapeutic efficacy through the ID2-dependent regulation of CD8+ T cell immunity, indicating that gut microbial metabolites could be effective as a part of cancer therapy.
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Affiliation(s)
- Yao He
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Liuhui Fu
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Yiping Li
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Wenyan Wang
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Mingli Gong
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Jing Zhang
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Xin Dong
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Jiaoyan Huang
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China
| | - Charles R Mackay
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne 3800, Australia
| | - Yang-Xin Fu
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX 75235, USA
| | - Yun Chen
- Department of Immunology, Key Laboratory of Immune Microenvironment and Disease, Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing 211166, China; Research center for clinical oncology, Jiangsu Cancer Hospital, the Affiliated Cancer Hospital of Nanjing Medical University, Nanjing 210018, China
| | - Xiaohuan Guo
- Institute for Immunology, School of Medicine, Tsinghua University, Beijing 100084, China; Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing 100084, China.
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17
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Jennings-Almeida B, Castelpoggi JP, Ramos-Junior ES, Ferreira EDO, Domingues RMCP, Echevarria-Lima J, Coutinho-Silva R, Moreira-Souza ACA, Mariño E, Mackay CR, Zamboni DS, Bellio M, Scharfstein J, Lobo LA, Oliveira AC. Dietary Fiber Drives IL-1β-Dependent Peritonitis Induced by Bacteroides fragilis via Activation of the NLRP3 Inflammasome. J Immunol 2021; 206:2441-2452. [PMID: 33941658 DOI: 10.4049/jimmunol.2000078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 12/23/2020] [Indexed: 11/19/2022]
Abstract
Intestinal barrier is essential for dietary products and microbiota compartmentalization and therefore gut homeostasis. When this barrier is broken, cecal content overflows into the peritoneal cavity, leading to local and systemic robust inflammatory response, characterizing peritonitis and sepsis. It has been shown that IL-1β contributes with inflammatory storm during peritonitis and sepsis and its inhibition has beneficial effects to the host. Therefore, we investigated the mechanisms underlying IL-1β secretion using a widely adopted murine model of experimental peritonitis. The combined injection of sterile cecal content (SCC) and the gut commensal bacteria Bacteroides fragilis leads to IL-1β-dependent peritonitis, which was mitigated in mice deficient in NLRP3 (nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3) inflammasome components. Typically acting as a damage signal, SCC, but not B. fragilis, activates canonical pathway of NLRP3 promoting IL-1β secretion in vitro and in vivo. Strikingly, absence of fiber in the SCC drastically reduces IL-1β production, whereas high-fiber SCC conversely increases this response in an NLRP3-dependent manner. In addition, NLRP3 was also required for IL-1β production induced by purified dietary fiber in primed macrophages. Extending to the in vivo context, IL-1β-dependent peritonitis was worsened in mice injected with B. fragilis and high-fiber SCC, whereas zero-fiber SCC ameliorates the pathology. Corroborating with the proinflammatory role of dietary fiber, IL-1R-deficient mice were protected from peritonitis induced by B. fragilis and particulate bran. Overall, our study highlights a function, previously unknown, for dietary fibers in fueling peritonitis through NLRP3 activation and IL-1β secretion outside the gut.
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Affiliation(s)
- Bruno Jennings-Almeida
- Laboratório de Imunologia Molecular e Celular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juliana P Castelpoggi
- Laboratório de Imunologia Molecular e Celular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Erivan S Ramos-Junior
- Laboratório de Imunologia Molecular e Celular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Dental College of Georgia, Department of Oral Biology and Diagnostic Sciences, Augusta University, Augusta GA
| | | | - Regina M C P Domingues
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juliana Echevarria-Lima
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Robson Coutinho-Silva
- Laboratório de Imunofisiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Aline C A Moreira-Souza
- Laboratório de Imunofisiologia, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eliana Mariño
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Melbourne, Victoria, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Department of Biochemistry and Molecular Biology, Monash University, Melbourne, Victoria, Australia
| | - Dario S Zamboni
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Maria Bellio
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Julio Scharfstein
- Laboratório de Imunologia Molecular e Celular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leandro A Lobo
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Carolina Oliveira
- Laboratório de Imunologia Molecular e Celular, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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18
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Snelson M, R Muralitharan R, Dinakis E, Nakai M, Jama HA, Shihata WA, Johnson C, Kaye DM, Mackay CR, Burrell LM, Coughlan MT, Marques FZ. Renal ACE2 (Angiotensin-Converting Enzyme 2) Expression Is Modulated by Dietary Fiber Intake, Gut Microbiota, and Their Metabolites. Hypertension 2021; 77:e53-e55. [PMID: 33866801 DOI: 10.1161/hypertensionaha.121.17039] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Matthew Snelson
- Department of Diabetes, Central Clinical School, Faculty of Medicine Nursing and Health Sciences (M.S., M.T.C.), Monash University, Melbourne, Australia
| | - Rikeish R Muralitharan
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., E.D., M.N., H.A.J., F.Z.M.), Monash University, Melbourne, Australia.,Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur (R.R.M.)
| | - Evany Dinakis
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., E.D., M.N., H.A.J., F.Z.M.), Monash University, Melbourne, Australia
| | - Michael Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., E.D., M.N., H.A.J., F.Z.M.), Monash University, Melbourne, Australia
| | - Hamdi A Jama
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., E.D., M.N., H.A.J., F.Z.M.), Monash University, Melbourne, Australia
| | - Waled A Shihata
- Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia (W.A.S., F.Z.M., D.M.K.)
| | - Chad Johnson
- Monash Micro Imaging (C.J., D.M.K., F.Z.M.), Monash University, Melbourne, Australia
| | - David M Kaye
- Monash Micro Imaging (C.J., D.M.K., F.Z.M.), Monash University, Melbourne, Australia.,Central Clinical School, Faculty of Medicine Nursing and Health Sciences (D.M.K.), Monash University, Melbourne, Australia.,Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia (W.A.S., F.Z.M., D.M.K.).,Department of Cardiology, Alfred Hospital, Melbourne, Australia (D.M.K.)
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute (C.R.M.), Monash University, Melbourne, Australia.,Department of Biochemistry and Molecular Biology (C.R.M.), Monash University, Melbourne, Australia
| | - Louise M Burrell
- Department of Medicine, Austin Health, University of Melbourne, Australia (L.M.B.)
| | - Melinda T Coughlan
- Department of Diabetes, Central Clinical School, Faculty of Medicine Nursing and Health Sciences (M.S., M.T.C.), Monash University, Melbourne, Australia
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (R.R.M., E.D., M.N., H.A.J., F.Z.M.), Monash University, Melbourne, Australia.,Monash Micro Imaging (C.J., D.M.K., F.Z.M.), Monash University, Melbourne, Australia.,Heart Failure Research Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia (W.A.S., F.Z.M., D.M.K.)
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19
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Liu Y, Li YJ, Loh YW, Singer J, Zhu W, Macia L, Mackay CR, Wang W, Chadban SJ, Wu H. Fiber Derived Microbial Metabolites Prevent Acute Kidney Injury Through G-Protein Coupled Receptors and HDAC Inhibition. Front Cell Dev Biol 2021; 9:648639. [PMID: 33898439 PMCID: PMC8060457 DOI: 10.3389/fcell.2021.648639] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 03/16/2021] [Indexed: 01/02/2023] Open
Abstract
Short-chain fatty acids (SCFA) derived from gut microbial fermentation of fiber have been shown to exert anti-inflammatory and immune-modulatory properties in acute kidney injury (AKI). However the direct mechanistic link between SCFAs, diet and the gut microbiome is yet to be established. Using the murine model of folic-acid nephropathy (FAN), we examined the effect of dietary fiber on development of AKI (day 2) and subsequent chronic kidney disease (CKD) (day 28). FAN was induced in wild-type and knockout mice lacking G protein–coupled receptors GPR41, GPR43, or GPR109A. Mice were randomized to high-fiber or normal-chow diets, or SCFAs in drinking water. We used 16S rRNA sequencing to assess the gut microbiome and 1H-NMR spectroscopy for metabolic profiles. Mice fed high-fiber were partially protected against development of AKI and subsequent CKD, exhibiting better kidney function throughout, less tubular injury at day 2 and less interstitial fibrosis and chronic inflammation at day 28 vs controls. Fiber modified the gut microbiome and alleviated dysbiosis induced by AKI, promoting expansion of SCFA-producing bacteria Bifidobacterium and Prevotella, which increased fecal and serum SCFA concentrations. SCFA treatment achieved similar protection, but not in the absence of GPR41 or GPR109A. Histone deacetylase activity (HDAC) was inhibited in kidneys of high-fiber fed mice. We conclude that dietary manipulation of the gut microbiome protects against AKI and subsequent CKD, mediated by HDAC inhibition and activation of GPR41 and GPR109A by SCFAs. This study highlights the potential of the gut microbiome as a modifiable target in the prevention of AKI.
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Affiliation(s)
- Yunzi Liu
- Department of Nephrology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia
| | - Yan J Li
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Yik W Loh
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia
| | - Julian Singer
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Weiping Zhu
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,Department of Nephrology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Laurence Macia
- Nutritional Immuno-metabolism Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Weiming Wang
- Department of Nephrology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Steven J Chadban
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Huiling Wu
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Camperdown, NSW, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Sydney, NSW, Australia
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20
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Ng MSF, Tan L, Wang Q, Mackay CR, Ng LG. Neutrophils in cancer-unresolved questions. Sci China Life Sci 2021; 64:1829-1841. [PMID: 33661490 DOI: 10.1007/s11427-020-1853-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/16/2020] [Indexed: 12/19/2022]
Abstract
There is growing recognition that neutrophils play an important role in cancer initiation, progression and metastasis. Although they are typically characterized as short-lived effector cells, neutrophils have been shown to acquire immunosuppressive and pro-tumorigenic functions that promote tumor progression and escape. As such, inhibition of their function or depletion of neutrophils are being explored as potential cancer therapies. However, growing evidence of neutrophil diversification in cancer and their potential anti-tumor roles raise many unresolved questions. Here, we review recent advances that address the definition, origin and function of neutrophils in cancer, and elaborate on obstacles that make the study of neutrophils challenging. We envision that this review will provide the groundwork for focused design of therapeutics that will specifically target "tumorreprogrammed" neutrophils while sparing normal neutrophils to improve patient outcomes.
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Affiliation(s)
- Melissa S F Ng
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore.
| | - Leonard Tan
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Charles R Mackay
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, 138648, Singapore. .,State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China.
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21
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Snelson M, Tan SM, Clarke RE, de Pasquale C, Thallas-Bonke V, Nguyen TV, Penfold SA, Harcourt BE, Sourris KC, Lindblom RS, Ziemann M, Steer D, El-Osta A, Davies MJ, Donnellan L, Deo P, Kellow NJ, Cooper ME, Woodruff TM, Mackay CR, Forbes JM, Coughlan MT. Processed foods drive intestinal barrier permeability and microvascular diseases. Sci Adv 2021; 7:7/14/eabe4841. [PMID: 33789895 PMCID: PMC8011970 DOI: 10.1126/sciadv.abe4841] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 02/12/2021] [Indexed: 05/04/2023]
Abstract
Intake of processed foods has increased markedly over the past decades, coinciding with increased microvascular diseases such as chronic kidney disease (CKD) and diabetes. Here, we show in rodent models that long-term consumption of a processed diet drives intestinal barrier permeability and an increased risk of CKD. Inhibition of the advanced glycation pathway, which generates Maillard reaction products within foods upon thermal processing, reversed kidney injury. Consequently, a processed diet leads to innate immune complement activation and local kidney inflammation and injury via the potent proinflammatory effector molecule complement 5a (C5a). In a mouse model of diabetes, a high resistant starch fiber diet maintained gut barrier integrity and decreased severity of kidney injury via suppression of complement. These results demonstrate mechanisms by which processed foods cause inflammation that leads to chronic disease.
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Affiliation(s)
- Matthew Snelson
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Sih Min Tan
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Rachel E Clarke
- Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Cassandra de Pasquale
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Vicki Thallas-Bonke
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Tuong-Vi Nguyen
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Sally A Penfold
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Brooke E Harcourt
- Murdoch Children's Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Karly C Sourris
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Runa S Lindblom
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Mark Ziemann
- Deakin University, School of Life and Environmental Sciences, Geelong, Victoria, Australia
| | - David Steer
- Monash Proteomics and Metabolomics Facility, Monash University, Melbourne, Victoria, Australia
| | - Assam El-Osta
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Michael J Davies
- Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Leigh Donnellan
- Health and Biomedical Innovation, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Permal Deo
- Health and Biomedical Innovation, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, South Australia, Australia
| | - Nicole J Kellow
- Department of Nutrition, Dietetics and Food, Monash University, Melbourne, Victoria, Australia
| | - Mark E Cooper
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia
| | - Trent M Woodruff
- School of Biomedical Sciences, University of Queensland, Brisbane, Queensland, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
- Department of Microbiology, Monash University, Melbourne, Victoria, Australia
| | - Josephine M Forbes
- Glycation and Diabetes Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Melinda T Coughlan
- Department of Diabetes, Central Clinical School, Alfred Medical Research and Education Precinct, Monash University, Melbourne, Victoria, Australia.
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
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22
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Yap YA, McLeod KH, McKenzie CI, Gavin PG, Davalos-Salas M, Richards JL, Moore RJ, Lockett TJ, Clarke JM, Eng VV, Pearson JS, Hamilton-Williams EE, Mackay CR, Mariño E. An acetate-yielding diet imprints an immune and anti-microbial programme against enteric infection. Clin Transl Immunology 2021; 10:e1233. [PMID: 33489123 PMCID: PMC7809703 DOI: 10.1002/cti2.1233] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 11/16/2020] [Accepted: 12/09/2020] [Indexed: 12/19/2022] Open
Abstract
Objectives During gastrointestinal infection, dysbiosis can result in decreased production of microbially derived short‐chain fatty acids (SCFAs). In response to the presence of intestinal pathogens, we examined whether an engineered acetate‐ or butyrate‐releasing diet can rectify the deficiency of SCFAs and lead to the resolution of enteric infection. Methods We tested whether a high acetate‐ or butyrate‐producing diet (HAMSA or HAMSB, respectively) condition Citrobacterrodentium infection in mice and assess its impact on host‐microbiota interactions. We analysed the adaptive and innate immune responses, changes in gut microbiome function, epithelial barrier function and the molecular mechanism via metabolite sensing G protein‐coupled receptor 43 (GPR43) and IL‐22 expression. Results HAMSA diet rectified the deficiency in acetate production and protected against enteric infection. Increased SCFAs affect the expression of pathogen virulence genes. HAMSA diet promoted compositional and functional changes in the gut microbiota during infection similar to healthy microbiota from non‐infected mice. Bacterial changes were evidenced by the production of proteins involved in acetate utilisation, starch and sugar degradation, amino acid biosynthesis, carbohydrate transport and metabolism. HAMSA diet also induced changes in host proteins critical in glycolysis, wound healing such as GPX1 and epithelial architecture such as EZR1 and PFN1. Dietary acetate assisted in rapid epithelial repair, as shown by increased colonic Muc‐2, Il‐22, and anti‐microbial peptides. We found that acetate increased numbers of colonic IL‐22 producing TCRαβ+CD8αβ+ and TCRγδ+CD8αα+ intraepithelial lymphocytes expressing GPR43. Conclusion HAMSA diet may be an effective therapeutic approach for fighting inflammation and enteric infections and offer a safe alternative that may impact on human health.
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Affiliation(s)
- Yu Anne Yap
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Keiran H McLeod
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Craig I McKenzie
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Patrick G Gavin
- The University of Queensland Diamantina Institute The University of Queensland Brisbane QLD Australia
| | - Mercedes Davalos-Salas
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - James L Richards
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Robert J Moore
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,School of Science RMIT University Bundoora VIC Australia
| | | | | | - Vik Ven Eng
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,Centre for Innate Immunity and Infectious Diseases Hudson Institute of Medical Research Clayton, Melbourne VIC Australia
| | - Jaclyn S Pearson
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia.,Centre for Innate Immunity and Infectious Diseases Hudson Institute of Medical Research Clayton, Melbourne VIC Australia.,Department of Molecular and Translational Research Monash University Clayton, Melbourne VIC Australia
| | - Emma E Hamilton-Williams
- The University of Queensland Diamantina Institute The University of Queensland Brisbane QLD Australia
| | - Charles R Mackay
- Department of Microbiology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
| | - Eliana Mariño
- Department of Biochemistry and Molecular Biology Infection and Immunity Program Biomedicine Discovery Institute Monash University Clayton, Melbourne VIC Australia
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23
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Alam MJ, Xie L, Ang C, Fahimi F, Willingham SB, Kueh AJ, Herold MJ, Mackay CR, Robert R. Therapeutic blockade of CXCR2 rapidly clears inflammation in arthritis and atopic dermatitis models: demonstration with surrogate and humanized antibodies. MAbs 2020; 12:1856460. [PMID: 33347356 PMCID: PMC7757791 DOI: 10.1080/19420862.2020.1856460] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Neutrophils are the most abundant effector cells of the innate immune system and represent the first line of defense against infection. However, in many common pathologies, including autoimmune diseases, excessive recruitment and activation of neutrophils can drive a chronic inflammatory response leading to unwanted tissue destruction. Several strategies have been investigated to tackle pathologic neutrophil biology, and thus provide a novel therapy for chronic inflammatory diseases. The chemokine receptor CXCR2 plays a crucial role in regulating neutrophil homeostasis and is a promising pharmaceutical target. In this study, we report the discovery and validation of a humanized anti-human CXCR2 monoclonal antibody. To enable in vivo studies, we developed a surrogate anti-mouse CXCR2 antibody, as well as a human knock-in CXCR2 mouse. When administered in models of atopic dermatitis (AD) and rheumatoid arthritis (RA), the antibodies rapidly clear inflammation. Our findings support further developments of anti-CXCR2 mAb approaches not only for RA and AD, but also for other neutrophil-mediated inflammatory conditions where neutrophils are pathogenic and medical needs are unmet.
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Affiliation(s)
- Md Jahangir Alam
- Department of Microbiology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
| | - Liang Xie
- Department of Microbiology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
| | - Caroline Ang
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
| | - Farnaz Fahimi
- Department of Physiology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
| | | | - Andrew J Kueh
- Walter and Eliza Hall Institute of Medical Research , Parkville, Victoria, Australia.,Department of Medical Biology, University of Melbourne , Parkville, VIC, Australia
| | - Marco J Herold
- Walter and Eliza Hall Institute of Medical Research , Parkville, Victoria, Australia.,Department of Medical Biology, University of Melbourne , Parkville, VIC, Australia
| | - Charles R Mackay
- Department of Microbiology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
| | - Remy Robert
- Department of Physiology, Biomedicine Discovery Institute, Monash University , Clayton, Victoria, Australia
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24
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Jama HA, Fiedler A, Tsyganov K, Nelson E, Horlock D, Nakai ME, Kiriazis H, Johnson C, Du XJ, Mackay CR, Marques FZ, Kaye DM. Manipulation of the gut microbiota by the use of prebiotic fibre does not override a genetic predisposition to heart failure. Sci Rep 2020; 10:17919. [PMID: 33087738 PMCID: PMC7578080 DOI: 10.1038/s41598-020-73614-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 09/11/2020] [Indexed: 01/01/2023] Open
Abstract
Increasing evidence supports a role for the gut microbiota in the development of cardiovascular diseases such as hypertension and its progression to heart failure (HF). Dietary fibre has emerged as a modulator of the gut microbiota, resulting in the release of gut metabolites called short-chain fatty acids (SCFAs), such as acetate. We have shown previously that fibre or acetate can protect against hypertension and heart disease in certain models. HF is also commonly caused by genetic disorders. In this study we investigated whether the intake of fibre or direct supplementation with acetate could attenuate the development of HF in a genetic model of dilated cardiomyopathy (DCM) due to overexpression of the cardiac specific mammalian sterile 20-like kinase (Mst1). Seven-week-old male mice DCM mice and littermate controls (wild-type, C57BL/6) were fed a control diet (with or without supplementation with 200 mM magnesium acetate in drinking water), or a high fibre diet for 7 weeks. We obtained hemodynamic, morphological, flow cytometric and gene expression data. The gut microbiome was characterised by 16S rRNA amplicon sequencing. Fibre intake was associated with a significant shift in the gut microbiome irrespective of mouse genotype. However, neither fibre or supplementation with acetate were able to attenuate cardiac remodelling or cardiomyocyte apoptosis in Mst1 mice. Furthermore, fibre and acetate did not improve echocardiographic or hemodynamic parameters in DCM mice. These data suggest that although fibre modulates the gut microbiome, neither fibre nor acetate can override a strong genetic contribution to the development of heart failure in the Mst1 model.
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Affiliation(s)
- Hamdi A Jama
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - April Fiedler
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia
| | - Kirill Tsyganov
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Erin Nelson
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia
| | - Duncan Horlock
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia
| | - Michael E Nakai
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - Helen Kiriazis
- Experimental Cardiology Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Chad Johnson
- Monash Micro Imaging, Monash University, Melbourne, Australia
| | - Xiao-Jun Du
- Experimental Cardiology Laboratory, Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Melbourne, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Melbourne, Australia
| | - Francine Z Marques
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science, Monash University, Melbourne, Australia
| | - David M Kaye
- Heart Failure Research Group, Baker Heart and Diabetes Institute, St Kilda Rd Central, PO Box 6492, Melbourne, VIC, 8008, Australia.
- Department of Cardiology, Alfred Hospital, Melbourne, Australia.
- Faculty of Medicine Nursing and Health Sciences, Monash University, Melbourne, Australia.
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25
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Chow SH, Deo P, Yeung ATY, Kostoulias XP, Jeon Y, Gao ML, Seidi A, Olivier FAB, Sridhar S, Nethercott C, Cameron D, Robertson AAB, Robert R, Mackay CR, Traven A, Jin ZB, Hale C, Dougan G, Peleg AY, Naderer T. Targeting NLRP3 and Staphylococcal pore-forming toxin receptors in human-induced pluripotent stem cell-derived macrophages. J Leukoc Biol 2020; 108:967-981. [PMID: 32531864 DOI: 10.1002/jlb.4ma0420-497r] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/28/2020] [Accepted: 05/19/2020] [Indexed: 12/26/2022] Open
Abstract
Staphylococcus aureus causes necrotizing pneumonia by secreting toxins such as leukocidins that target front-line immune cells. The mechanism by which leukocidins kill innate immune cells and trigger inflammation during S. aureus lung infection, however, remains unresolved. Here, we explored human-induced pluripotent stem cell-derived macrophages (hiPSC-dMs) to study the interaction of the leukocidins Panton-Valentine leukocidin (PVL) and LukAB with lung macrophages, which are the initial leukocidin targets during S. aureus lung invasion. hiPSC-dMs were susceptible to the leukocidins PVL and LukAB and both leukocidins triggered NLPR3 inflammasome activation resulting in IL-1β secretion. hiPSC-dM cell death after LukAB exposure, however, was only temporarily dependent of NLRP3, although NLRP3 triggered marked cell death after PVL treatment. CRISPR/Cas9-mediated deletion of the PVL receptor, C5aR1, protected hiPSC-dMs from PVL cytotoxicity, despite the expression of other leukocidin receptors, such as CD45. PVL-deficient S. aureus had reduced ability to induce lung IL-1β levels in human C5aR1 knock-in mice. Unexpectedly, inhibiting NLRP3 activity resulted in increased wild-type S. aureus lung burdens. Our findings suggest that NLRP3 induces macrophage death and IL-1β secretion after PVL exposure and controls S. aureus lung burdens.
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Affiliation(s)
- Seong H Chow
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Pankaj Deo
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Amy T Y Yeung
- The Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Xenia P Kostoulias
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Microbiology, Monash University, Clayton, Victoria, Australia
| | - Yusun Jeon
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Mei-Ling Gao
- Laboratory of Stem Cell & Retinal Regeneration, Institute of Stem Cell Research, Division of Ophthalmic Genetics, The Eye Hospital, Wenzhou Medical University, Wenzhou, China.,National Center for International Research in Regenerative Medicine and Neurogenetics, National Clinical Research Center for Ophthalmology, State Key Laboratory of Ophthalmology, Optometry and Visual Science, Wenzhou, China
| | - Azadeh Seidi
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Françios Alwyn Benson Olivier
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Sushmita Sridhar
- The Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Cara Nethercott
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Microbiology, Monash University, Clayton, Victoria, Australia
| | - David Cameron
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Microbiology, Monash University, Clayton, Victoria, Australia
| | - Avril A B Robertson
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Remy Robert
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Charles R Mackay
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Microbiology, Monash University, Clayton, Victoria, Australia
| | - Ana Traven
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Zi-Bing Jin
- Laboratory of Stem Cell & Retinal Regeneration, Institute of Stem Cell Research, Division of Ophthalmic Genetics, The Eye Hospital, Wenzhou Medical University, Wenzhou, China.,National Center for International Research in Regenerative Medicine and Neurogenetics, National Clinical Research Center for Ophthalmology, State Key Laboratory of Ophthalmology, Optometry and Visual Science, Wenzhou, China
| | - Christine Hale
- The Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Gordon Dougan
- The Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK.,Department of Medicine, Addenbrookes Hospital, Cambridge, UK
| | - Anton Y Peleg
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Microbiology, Monash University, Clayton, Victoria, Australia.,Department of Infectious Diseases, the Alfred Hospital and Central Clinical School, Monash University, Melbourne, Australia
| | - Thomas Naderer
- Infection & Immunity Program, Biomedicine Discovery Institute and Department of Biochemistry & Molecular Biology, Monash University, Clayton, Victoria, Australia
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26
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Li YJ, Chen X, Kwan TK, Loh YW, Singer J, Liu Y, Ma J, Tan J, Macia L, Mackay CR, Chadban SJ, Wu H. Dietary Fiber Protects against Diabetic Nephropathy through Short-Chain Fatty Acid-Mediated Activation of G Protein-Coupled Receptors GPR43 and GPR109A. J Am Soc Nephrol 2020; 31:1267-1281. [PMID: 32358041 DOI: 10.1681/asn.2019101029] [Citation(s) in RCA: 134] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 03/09/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Studies have reported "dysbiotic" changes to gut microbiota, such as depletion of gut bacteria that produce short-chain fatty acids (SCFAs) through gut fermentation of fiber, in CKD and diabetes. Dietary fiber is associated with decreased inflammation and mortality in CKD, and SCFAs have been proposed to mediate this effect. METHODS To explore dietary fiber's effect on development of experimental diabetic nephropathy, we used streptozotocin to induce diabetes in wild-type C57BL/6 and knockout mice lacking the genes encoding G protein-coupled receptors GPR43 or GPR109A. Diabetic mice were randomized to high-fiber, normal chow, or zero-fiber diets, or SCFAs in drinking water. We used proton nuclear magnetic resonance spectroscopy for metabolic profiling and 16S ribosomal RNA sequencing to assess the gut microbiome. RESULTS Diabetic mice fed a high-fiber diet were significantly less likely to develop diabetic nephropathy, exhibiting less albuminuria, glomerular hypertrophy, podocyte injury, and interstitial fibrosis compared with diabetic controls fed normal chow or a zero-fiber diet. Fiber beneficially reshaped gut microbial ecology and improved dysbiosis, promoting expansion of SCFA-producing bacteria of the genera Prevotella and Bifidobacterium, which increased fecal and systemic SCFA concentrations. Fiber reduced expression of genes encoding inflammatory cytokines, chemokines, and fibrosis-promoting proteins in diabetic kidneys. SCFA-treated diabetic mice were protected from nephropathy, but not in the absence of GPR43 or GPR109A. In vitro, SCFAs modulated inflammation in renal tubular cells and podocytes under hyperglycemic conditions. CONCLUSIONS Dietary fiber protects against diabetic nephropathy through modulation of the gut microbiota, enrichment of SCFA-producing bacteria, and increased SCFA production. GPR43 and GPR109A are critical to SCFA-mediated protection against this condition. Interventions targeting the gut microbiota warrant further investigation as a novel renoprotective therapy in diabetic nephropathy.
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Affiliation(s)
- Yan Jun Li
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia .,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Xiaochen Chen
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia
| | - Tony K Kwan
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia
| | - Yik Wen Loh
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia
| | - Julian Singer
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Yunzi Liu
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia
| | - Jin Ma
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia
| | - Jian Tan
- Nutritional Immunometabolism Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia.,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Laurence Macia
- Nutritional Immunometabolism Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia.,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
| | - Steven J Chadban
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
| | - Huiling Wu
- Kidney Node Laboratory, The Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia .,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia.,Renal Medicine, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
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27
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Kaye DM, Shihata WA, Jama HA, Tsyganov K, Ziemann M, Kiriazis H, Horlock D, Vijay A, Giam B, Vinh A, Johnson C, Fiedler A, Donner D, Snelson M, Coughlan MT, Phillips S, Du XJ, El-Osta A, Drummond G, Lambert GW, Spector TD, Valdes AM, Mackay CR, Marques FZ. Deficiency of Prebiotic Fiber and Insufficient Signaling Through Gut Metabolite-Sensing Receptors Leads to Cardiovascular Disease. Circulation 2020; 141:1393-1403. [PMID: 32093510 DOI: 10.1161/circulationaha.119.043081] [Citation(s) in RCA: 153] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND High blood pressure (BP) continues to be a major, poorly controlled but modifiable risk factor for cardiovascular death. Among key Western lifestyle factors, a diet poor in fiber is associated with prevalence of high BP. The impact of lack of prebiotic fiber and the associated mechanisms that lead to higher BP are unknown. Here we show that lack of prebiotic dietary fiber leads to the development of a hypertensinogenic gut microbiota, hypertension and its complications, and demonstrate a role for G-protein coupled-receptors (GPCRs) that sense gut metabolites. METHODS One hundred seventy-nine mice including C57BL/6J, gnotobiotic C57BL/6J, and knockout strains for GPR41, GPR43, GPR109A, and GPR43/109A were included. C57BL/6J mice were implanted with minipumps containing saline or a slow-pressor dose of angiotensin II (0.25 mg·kg-1·d-1). Mice were fed diets lacking prebiotic fiber with or without addition of gut metabolites called short-chain fatty acids ([SCFA)] produced during fermentation of prebiotic fiber in the large intestine), or high prebiotic fiber diets. Cardiac histology and function, BP, sodium and potassium excretion, gut microbiome, flow cytometry, catecholamines and methylation-wide changes were determined. RESULTS Lack of prebiotic fiber predisposed mice to hypertension in the presence of a mild hypertensive stimulus, with resultant pathological cardiac remodeling. Transfer of a hypertensinogenic microbiota to gnotobiotic mice recapitulated the prebiotic-deprived hypertensive phenotype, including cardiac manifestations. Reintroduction of SCFAs to fiber-depleted mice had protective effects on the development of hypertension, cardiac hypertrophy, and fibrosis. The cardioprotective effect of SCFAs were mediated via the cognate SCFA receptors GPR43/GPR109A, and modulated L-3,4-dihydroxyphenylalanine levels and the abundance of T regulatory cells regulated by DNA methylation. CONCLUSIONS The detrimental effects of low fiber Westernized diets may underlie hypertension, through deficient SCFA production and GPR43/109A signaling. Maintaining a healthy, SCFA-producing microbiota is important for cardiovascular health.
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Affiliation(s)
- David M Kaye
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia.,Central Clinical School, Faculty of Medicine Nursing and Health Sciences (D.M.K.).,Department of Cardiology, Alfred Hospital, Melbourne, Australia (D.M.K.)
| | - Waled A Shihata
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Hamdi A Jama
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia.,Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (H.A.J., K.T., F.Z.M.)
| | - Kirill Tsyganov
- Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (H.A.J., K.T., F.Z.M.).,Monash Bioinformatics Platform (K.T.)
| | - Mark Ziemann
- Epigenetics in Human Health and Disease (M.Z., A.E-O.).,School of Life and Environmental Sciences, Deakin University, Geelong, Australia (M.Z.)
| | - Helen Kiriazis
- Mouse Cardiology Research Platform (H.K., D.D., X-J.D.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Duncan Horlock
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Amrita Vijay
- Department for Twin Research and Genetic Epidemiology, King's College London, UK (A.Vijay, T.D.S., A.M.V.)
| | - Beverly Giam
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Antony Vinh
- Centre for Cardiovascular Biology and Disease Research, and Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Australia (A.Vinh, G.D.)
| | | | - April Fiedler
- Centre for Cardiovascular Biology and Disease Research, and Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Australia (A.Vinh, G.D.)
| | - Daniel Donner
- Mouse Cardiology Research Platform (H.K., D.D., X-J.D.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Matthew Snelson
- Department of Diabetes, Central Clinical School (M.S., M.T.C.)
| | | | | | - Xiao-Jun Du
- Mouse Cardiology Research Platform (H.K., D.D., X-J.D.), Baker Heart and Diabetes Institute, Melbourne, Australia
| | - Assam El-Osta
- Epigenetics in Human Health and Disease (M.Z., A.E-O.).,Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories (A.E-O.)
| | - Grant Drummond
- Centre for Cardiovascular Biology and Disease Research, and Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Australia (A.Vinh, G.D.)
| | - Gavin W Lambert
- Iverson Health Innovation Research Institute and School of Health Sciences, Swinburne University of Technology, Melbourne, Australia (G.W.L.)
| | - Tim D Spector
- Department for Twin Research and Genetic Epidemiology, King's College London, UK (A.Vijay, T.D.S., A.M.V.)
| | - Ana M Valdes
- Department for Twin Research and Genetic Epidemiology, King's College London, UK (A.Vijay, T.D.S., A.M.V.).,School of Medicine, University of Nottingham, UK; NIHR Nottingham Biomedical Research Centre, UK (A.M.V.)
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute (C.R.M.).,Department of Biochemistry and Molecular Biology (C.R.M.), Monash University, Melbourne, Australia
| | - Francine Z Marques
- Heart Failure Research Group (D.M.K., W.A.S., H.A.J., D.H., B.G., A.F., F.Z.M.), Baker Heart and Diabetes Institute, Melbourne, Australia.,Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (H.A.J., K.T., F.Z.M.)
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28
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Marques FZ, Jama HA, Tsyganov K, Gill PA, Rhys-Jones D, Muralitharan RR, Muir J, Holmes A, Mackay CR. Guidelines for Transparency on Gut Microbiome Studies in Essential and Experimental Hypertension. Hypertension 2019; 74:1279-1293. [DOI: 10.1161/hypertensionaha.119.13079] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Hypertension is a complex and modifiable condition in which environmental factors contribute to both onset and progression. Recent evidence has accumulated for roles of diet and the gut microbiome as environmental factors in blood pressure regulation. However, this is complex because gut microbiomes are a unique feature of each individual reflecting that individual’s developmental and environmental history creating caveats for both experimental models and human studies. Here, we describe guidelines for conducting gut microbiome studies in experimental and clinical hypertension. We provide a complete guide for authors on proper design, analyses, and reporting of gut microbiota/microbiome and metabolite studies and checklists that can be used by reviewers and editors to support robust reporting and interpretation. We discuss factors that modulate the gut microbiota in animal (eg, cohort, controls, diet, developmental age, housing, sex, and models used) and human studies (eg, blood pressure measurement and medication, body mass index, demographic characteristics including age, cultural identification, living structure, sex and socioeconomic environment, and exclusion criteria). We also provide best practice advice on sampling, storage of fecal/cecal samples, DNA extraction, sequencing methods (including metagenomics and 16S rRNA), and computational analyses. Finally, we discuss the measurement of short-chain fatty acids, metabolites produced by the gut microbiota, and interpretation of data. These guidelines should support better transparency, reproducibility, and translation of findings in the field of gut microbiota/microbiome in hypertension and cardiovascular disease.
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Affiliation(s)
- Francine Z. Marques
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M., H.A.J.)
| | - Hamdi A. Jama
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M., H.A.J.)
| | - Kirill Tsyganov
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
| | - Paul A. Gill
- Translational Nutrition Science in the Department of Gastroenterology, Central Clinical School (P.A.G., J.M., D.R-J.), Monash University, Melbourne, Australia
| | - Dakota Rhys-Jones
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
| | - Rikeish R. Muralitharan
- From the Hypertension Research Laboratory, School of Biological Sciences, Faculty of Science (F.Z.M., H.A.J., K.T., D.R.-J., R.R.M.), Monash University, Melbourne, Australia
- Institute for Medical Research, Ministry of Health Malaysia, Kuala Lumpur, Malaysia (R.R.M.)
| | - Jane Muir
- Translational Nutrition Science in the Department of Gastroenterology, Central Clinical School (P.A.G., J.M., D.R-J.), Monash University, Melbourne, Australia
| | - Andrew Holmes
- Charles Perkin Centre and School of Life and Environmental Sciences, University of Sydney, Australia (A.H.)
| | - Charles R. Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute (C.R.M.), Monash University, Melbourne, Australia
- Department of Biochemistry and Molecular Biology (C.R.M.), Monash University, Melbourne, Australia
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29
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Macia L, Mackay CR. Dysfunctional microbiota with reduced capacity to produce butyrate as a basis for allergic diseases. J Allergy Clin Immunol 2019; 144:1513-1515. [DOI: 10.1016/j.jaci.2019.10.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/04/2019] [Accepted: 10/11/2019] [Indexed: 10/25/2022]
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30
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Felizardo RJF, de Almeida DC, Pereira RL, Watanabe IKM, Doimo NTS, Ribeiro WR, Cenedeze MA, Hiyane MI, Amano MT, Braga TT, Ferreira CM, Parmigiani RB, Andrade-Oliveira V, Volpini RA, Vinolo MAR, Mariño E, Robert R, Mackay CR, Camara NOS. Gut microbial metabolite butyrate protects against proteinuric kidney disease through epigenetic- and GPR109a-mediated mechanisms. FASEB J 2019; 33:11894-11908. [PMID: 31366236 DOI: 10.1096/fj.201901080r] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Butyrate is a short-chain fatty acid derived from the metabolism of indigestible carbohydrates by the gut microbiota. Butyrate contributes to gut homeostasis, but it may also control inflammatory responses and host physiology in other tissues. Butyrate inhibits histone deacetylases, thereby affecting gene transcription, and also signals through the metabolite-sensing G protein receptor (GPR)109a. We produced an mAb to mouse GPR109a and found high expression on podocytes in the kidney. Wild-type and Gpr109a-/- mice were induced to develop nephropathy by a single injection of Adriamycin and treated with sodium butyrate or high butyrate-releasing high-amylose maize starch diet. Butyrate improved proteinuria by preserving podocyte at glomerular basement membrane and attenuated glomerulosclerosis and tissue inflammation. This protective phenotype was associated with increased podocyte-related proteins and a normalized pattern of acetylation and methylation at promoter sites of genes essential for podocyte function. We found that GPR109a is expressed by podocytes, and the use of Gpr109a-/- mice showed that the protective effects of butyrate depended on GPR109a expression. A prebiotic diet that releases high amounts of butyrate also proved highly effective for protection against kidney disease. Butyrate and GPR109a play a role in the pathogenesis of kidney disease and provide one of the important molecular connections between diet, the gut microbiota, and kidney disease.-Felizardo, R. J. F., de Almeida, D. C., Pereira, R. L., Watanabe, I. K. M., Doimo, N. T. S., Ribeiro, W. R., Cenedeze, M. A., Hiyane, M. I., Amano, M. T., Braga, T. T., Ferreira, C. M., Parmigiani, R. B., Andrade-Oliveira, V., Volpini, R. A., Vinolo, M. A. R., Mariño, E., Robert, R., Mackay, C. R., Camara, N. O. S. Gut microbial metabolite butyrate protects against proteinuric kidney disease through epigenetic- and GPR109a-mediated mechanisms.
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Affiliation(s)
- Raphael J F Felizardo
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil.,Department of Biochemistry and Molecular Biology, Biodiscovery Institute, Monash University, Clayton, Victoria, Australia
| | - Danilo C de Almeida
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
| | - Rafael L Pereira
- Department of Physiology, Universidade Federal do Paraná, Curitiba, Brazil
| | - Ingrid K M Watanabe
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
| | - Nayara T S Doimo
- Center for Molecular Oncology, Hospital Sírio-Libanês, São Paulo, Brazil
| | - Willian R Ribeiro
- Department of Pharmaceutics Sciences, Institute of Environmental Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, Brazil
| | - Marcos A Cenedeze
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Meire I Hiyane
- Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
| | - Mariane T Amano
- Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil.,Center for Molecular Oncology, Hospital Sírio-Libanês, São Paulo, Brazil
| | - Tárcio T Braga
- Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
| | - Caroline M Ferreira
- Department of Pharmaceutics Sciences, Institute of Environmental Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, Brazil
| | | | - Vinicius Andrade-Oliveira
- Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
| | - Rildo A Volpini
- Laboratório de Investigação Médica 12 (LIM12), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Marco Aurélio R Vinolo
- Department of Genetics, Evolution, Microbiology, and Immunology, Institute of Biology, Universidade Estadual de Campinas, Campinas, Brazil
| | - Eliana Mariño
- Department of Biochemistry and Molecular Biology, Biodiscovery Institute, Monash University, Clayton, Victoria, Australia
| | - Remy Robert
- Department of Biochemistry and Molecular Biology, Biodiscovery Institute, Monash University, Clayton, Victoria, Australia
| | - Charles R Mackay
- Department of Biochemistry and Molecular Biology, Biodiscovery Institute, Monash University, Clayton, Victoria, Australia
| | - Niels O S Camara
- Nephrology Division, Department of Medicine, Universidade Federal de São Paulo, São Paulo, Brazil.,Department of Immunology, Institute of Biomedical Sciences IV, Universidade de São Paulo, São Paulo, Brazil
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31
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Antunes KH, Fachi JL, de Paula R, da Silva EF, Pral LP, Dos Santos AÁ, Dias GBM, Vargas JE, Puga R, Mayer FQ, Maito F, Zárate-Bladés CR, Ajami NJ, Sant'Ana MR, Candreva T, Rodrigues HG, Schmiele M, Silva Clerici MTP, Proença-Modena JL, Vieira AT, Mackay CR, Mansur D, Caballero MT, Marzec J, Li J, Wang X, Bell D, Polack FP, Kleeberger SR, Stein RT, Vinolo MAR, de Souza APD. Microbiota-derived acetate protects against respiratory syncytial virus infection through a GPR43-type 1 interferon response. Nat Commun 2019; 10:3273. [PMID: 31332169 PMCID: PMC6646332 DOI: 10.1038/s41467-019-11152-6] [Citation(s) in RCA: 199] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 06/25/2019] [Indexed: 02/07/2023] Open
Abstract
Severe respiratory syncytial virus (RSV) infection is a major cause of morbidity and mortality in infants <2 years-old. Here we describe that high-fiber diet protects mice from RSV infection. This effect was dependent on intestinal microbiota and production of acetate. Oral administration of acetate mediated interferon-β (IFN-β) response by increasing expression of interferon-stimulated genes in the lung. These effects were associated with reduction of viral load and pulmonary inflammation in RSV-infected mice. Type 1 IFN signaling via the IFN-1 receptor (IFNAR) was essential for acetate antiviral activity in pulmonary epithelial cell lines and for the acetate protective effect in RSV-infected mice. Activation of Gpr43 in pulmonary epithelial cells reduced virus-induced cytotoxicity and promoted antiviral effects through IFN-β response. The effect of acetate on RSV infection was abolished in Gpr43−/− mice. Our findings reveal antiviral effects of acetate involving IFN-β in lung epithelial cells and engagement of GPR43 and IFNAR. Dietary fibers and SCFAs can exert a protective effect against respiratory syncytial virus (RSV). Here, the authors report that microbiota-derived acetate protects mice against RSV infection via GPR43- mediated type 1 interferon response induction in the lungs.
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Affiliation(s)
- Krist Helen Antunes
- Laboratory of Clinical and Experimental Immunology, Infant Center, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90610-000, RS, Brazil
| | - José Luís Fachi
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology and Immunology - Institute of Biology, University of Campinas, Campinas, 13083007, São Paulo, Brazil
| | - Rosemeire de Paula
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology and Immunology - Institute of Biology, University of Campinas, Campinas, 13083007, São Paulo, Brazil
| | - Emanuelle Fraga da Silva
- Laboratory of Clinical and Experimental Immunology, Infant Center, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90610-000, RS, Brazil
| | - Laís Passariello Pral
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology and Immunology - Institute of Biology, University of Campinas, Campinas, 13083007, São Paulo, Brazil
| | - Adara Áurea Dos Santos
- Laboratory of Imunobiology, Departament of Microbiology, Immunology and Parasitology, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Santa Catarina, 88040900, Brazil
| | - Greicy Brisa Malaquias Dias
- Laboratory of Imunobiology, Departament of Microbiology, Immunology and Parasitology, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Santa Catarina, 88040900, Brazil
| | - José Eduardo Vargas
- Biological Science Institute (ICB), Passo Fundo University, Passo Fundo, 99052900, State of Rio Grande do Sul, Brazil
| | - Renato Puga
- Clinical Research Center, Hospital Israelita Albert Einstein HIAE, São Paulo, 05652900, Brazil
| | - Fabiana Quoos Mayer
- Molecular Biology Laboratory, Veterinary Research Institute Desidério Finamor, Agricultural Diagnosis and Research Department, Secretariat of Agriculture, Livestock and Irrigation, Eldorado do Sul, 92990000, RS, Brazil
| | - Fábio Maito
- Laboratory of Pathology, Healthy Science School, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90610-000, RS, Brazil
| | - Carlos R Zárate-Bladés
- Laboratory of Iimmunoregulation, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, UFSC, Florianopolis, 8804900, SC, Brazil
| | - Nadim J Ajami
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Marcella Ramos Sant'Ana
- Laboratory of Nutritional Genomics, School of Applied Sciences, University of Campinas, Limeira, 13484350, São Paulo, Brazil
| | - Thamiris Candreva
- Laboratory of Nutrients and Tissue Repair, School of Applied Sciences, University of Campinas, Limeira, 13484350, São Paulo, Brazil
| | - Hosana Gomes Rodrigues
- Laboratory of Nutrients and Tissue Repair, School of Applied Sciences, University of Campinas, Limeira, 13484350, São Paulo, Brazil
| | - Marcio Schmiele
- Institute of Science and Technology, Federal University of Jequitinhonha and Mucuri Valleys (UFVJM), Teófilo Otoni, 39803371, MG, Brazil
| | - Maria Teresa Pedrosa Silva Clerici
- Department of Food Technology, School of Food Engineering, University of Campinas (UNICAMP) - Cidade Universitária Zeferino Vaz, Monteiro Lobato, 80, Campinas, 13083970, São Paulo, Brazil
| | - José Luiz Proença-Modena
- Emerging viruses study Laboratory, Department of Genetics, Evolution, Microbiology and Immunology, Institute of Biology, University of Campinas, Campinas, 13083970, Brazil
| | - Angélica Thomas Vieira
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, 31270901, MG, Brazil
| | - Charles R Mackay
- Biodiscovery Research Institute, Monash University, Clayton, 3800, Australia
| | - Daniel Mansur
- Laboratory of Imunobiology, Departament of Microbiology, Immunology and Parasitology, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Santa Catarina, 88040900, Brazil
| | | | - Jacqui Marzec
- National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle, Durham, 27709, NC, USA
| | - Jianying Li
- National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle, Durham, 27709, NC, USA
| | - Xuting Wang
- National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle, Durham, 27709, NC, USA
| | - Douglas Bell
- National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle, Durham, 27709, NC, USA
| | - Fernando P Polack
- Fundación INFANT, Buenos Aires, 1406, Argentina.,Vanderbilt University, EUA, Nashville, 37240, TN, USA
| | - Steven R Kleeberger
- National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle, Durham, 27709, NC, USA
| | - Renato T Stein
- Infant Center, School of Medicine, Department of Pediatrics, São Lucas Hospital PUCRS, Porto Alegre, 90610-000, RS, Brazil
| | - Marco Aurélio Ramirez Vinolo
- Laboratory of Immunoinflammation, Department of Genetics, Evolution, Microbiology and Immunology - Institute of Biology, University of Campinas, Campinas, 13083007, São Paulo, Brazil.
| | - Ana Paula Duarte de Souza
- Laboratory of Clinical and Experimental Immunology, Infant Center, School of Medicine, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, 90610-000, RS, Brazil. .,School of Heath Science, PUCRS, Porto Alegre, 90610-000, RS, Brazil.
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32
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Hu M, Eviston D, Hsu P, Mariño E, Chidgey A, Santner-Nanan B, Wong K, Richards JL, Yap YA, Collier F, Quinton A, Joung S, Peek M, Benzie R, Macia L, Wilson D, Ponsonby AL, Tang MLK, O'Hely M, Daly NL, Mackay CR, Dahlstrom JE, Vuillermin P, Nanan R. Decreased maternal serum acetate and impaired fetal thymic and regulatory T cell development in preeclampsia. Nat Commun 2019; 10:3031. [PMID: 31292453 PMCID: PMC6620275 DOI: 10.1038/s41467-019-10703-1] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 05/23/2019] [Indexed: 12/27/2022] Open
Abstract
Maternal immune dysregulation seems to affect fetal or postnatal immune development. Preeclampsia is a pregnancy-associated disorder with an immune basis and is linked to atopic disorders in offspring. Here we show reduction of fetal thymic size, altered thymic architecture and reduced fetal thymic regulatory T (Treg) cell output in preeclamptic pregnancies, which persists up to 4 years of age in human offspring. In germ-free mice, fetal thymic CD4+ T cell and Treg cell development are compromised, but rescued by maternal supplementation with the intestinal bacterial metabolite short chain fatty acid (SCFA) acetate, which induces upregulation of the autoimmune regulator (AIRE), known to contribute to Treg cell generation. In our human cohorts, low maternal serum acetate is associated with subsequent preeclampsia, and correlates with serum acetate in the fetus. These findings suggest a potential role of acetate in the pathogenesis of preeclampsia and immune development in offspring.
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Affiliation(s)
- Mingjing Hu
- Charles Perkins Centre Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
| | - David Eviston
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
| | - Peter Hsu
- Discipline of Paediatrics and Child Health, Sydney Medical School, The University of Sydney, Sydney, 2006, NSW, Australia
- Department of Allergy and Immunology, The Children's Hospital at Westmead, Sydney, 2145, NSW, Australia
| | - Eliana Mariño
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Ann Chidgey
- Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Brigitte Santner-Nanan
- Charles Perkins Centre Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
| | - Kahlia Wong
- Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - James L Richards
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Yu Anne Yap
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Fiona Collier
- Deakin University, Geelong, 3220, VIC, Australia
- Barwon Health, Geelong, 3220, VIC, Australia
- Murdoch Children's Research Institute, Parkville, 3052, VIC, Australia
| | - Ann Quinton
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
- School of Health, Medical and Applied Science, Central Queensland University, Sydney, 2000, NSW, Australia
| | - Steven Joung
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
- Nepean Hospital, Penrith, 2750, NSW, Australia
| | - Michael Peek
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
- ANU Medical School, College of Health and Medicine, The Australian National University, Canberra, 0200, ACT, Australia
| | - Ron Benzie
- Nepean Hospital, Penrith, 2750, NSW, Australia
- Discipline of Obstetrics, Gynaecology and Neonatology, Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia
| | - Laurence Macia
- Department of Pathology, School of Medical Sciences, Charles Perkins Centre, The University of Sydney, Sydney, 2006, NSW, Australia
| | - David Wilson
- Centre for Molecular Therapeutics, AITHM, James Cook University, Cairns, 4814, QLD, Australia
| | - Ann-Louise Ponsonby
- Murdoch Children's Research Institute, Parkville, 3052, VIC, Australia
- National Centre for Epidemiology and Population Health, Research School of Population Health, College of Health and Medicine, The Australian National University, Canberra, 0200, ACT, Australia
| | - Mimi L K Tang
- Murdoch Children's Research Institute, Parkville, 3052, VIC, Australia
- The Royal Children's Hospital, Parkville, Melbourne, 3052, VIC, Australia
- Department of Paediatrics, University of Melbourne, Melbourne, 3010, VIC, Australia
| | - Martin O'Hely
- Deakin University, Geelong, 3220, VIC, Australia
- Murdoch Children's Research Institute, Parkville, 3052, VIC, Australia
| | - Norelle L Daly
- Centre for Molecular Therapeutics, AITHM, James Cook University, Cairns, 4814, QLD, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, 3800, VIC, Australia
| | - Jane E Dahlstrom
- Anatomical Pathology, ACT Pathology, Canberra Hospital and ANU Medical School, College of Health and Medicine, The Australian National University, Canberra, 0200, ACT, Australia
| | - Peter Vuillermin
- Deakin University, Geelong, 3220, VIC, Australia
- Barwon Health, Geelong, 3220, VIC, Australia
- Murdoch Children's Research Institute, Parkville, 3052, VIC, Australia
- Centre for Food and Allergy Research, Parkville, 3052, VIC, Australia
| | - Ralph Nanan
- Charles Perkins Centre Nepean, The University of Sydney, Penrith, 2750, NSW, Australia.
- Sydney Medical School Nepean, The University of Sydney, Penrith, 2750, NSW, Australia.
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33
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McKenzie C, Tan J, Macia L, Mackay CR. The nutrition-gut microbiome-physiology axis and allergic diseases. Immunol Rev 2018; 278:277-295. [PMID: 28658542 DOI: 10.1111/imr.12556] [Citation(s) in RCA: 183] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Indexed: 02/06/2023]
Abstract
Dietary and bacterial metabolites influence immune responses. This raises the question whether the increased incidence of allergies, asthma, some autoimmune diseases, cardiovascular disease, and others might relate to intake of unhealthy foods, and the decreased intake of dietary fiber. In recent years, new knowledge on the molecular mechanisms underpinning a 'diet-gut microbiota-physiology axis' has emerged to substantiate this idea. Fiber is fermented to short chain fatty acids (SCFAs), particularly acetate, butyrate, and propionate. These metabolites bind 'metabolite-sensing' G-protein-coupled receptors such as GPR43, GPR41, and GPR109A. These receptors play fundamental roles in the promotion of gut homeostasis and the regulation of inflammatory responses. For instance, these receptors and their metabolites influence Treg biology, epithelial integrity, gut homeostasis, DC biology, and IgA antibody responses. The SCFAs also influence gene transcription in many cells and tissues, through their inhibition of histone deacetylase expression or function. Contained in this mix is the gut microbiome, as commensal bacteria in the gut have the necessary enzymes to digest dietary fiber to SCFAs, and dysbiosis in the gut may affect the production of SCFAs and their distribution to tissues throughout the body. SCFAs can epigenetically modify DNA, and so may be one mechanism to account for diseases with a 'developmental origin', whereby in utero or post-natal exposure to environmental factors (such as nutrition of the mother) may account for disease later in life. If the nutrition-gut microbiome-physiology axis does underpin at least some of the Western lifestyle influence on asthma and allergies, then there is tremendous scope to correct this with healthy foodstuffs, probiotics, and prebiotics.
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Affiliation(s)
- Craig McKenzie
- Infection and Immunity Program, Department of Biochemistry, Biomedicine Discovery Institute, Monash University, Clayton, Vic., Australia
| | - Jian Tan
- Infection and Immunity Program, Department of Biochemistry, Biomedicine Discovery Institute, Monash University, Clayton, Vic., Australia
| | - Laurence Macia
- Nutritional Immunometabolism Node Laboratory, Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia.,School of Medical Sciences, University of Sydney, Sydney, NSW, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Department of Biochemistry, Biomedicine Discovery Institute, Monash University, Clayton, Vic., Australia
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34
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Abstract
See also: Outstanding Observation by Wirasinha et al., Short Communication by Barnes & Cyster.
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Affiliation(s)
- Remy Robert
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
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35
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Galvão I, Tavares LP, Corrêa RO, Fachi JL, Rocha VM, Rungue M, Garcia CC, Cassali G, Ferreira CM, Martins FS, Oliveira SC, Mackay CR, Teixeira MM, Vinolo MAR, Vieira AT. The Metabolic Sensor GPR43 Receptor Plays a Role in the Control of Klebsiella pneumoniae Infection in the Lung. Front Immunol 2018. [PMID: 29515566 PMCID: PMC5826235 DOI: 10.3389/fimmu.2018.00142] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Pneumonia is one of the leading causes of death and mortality worldwide. The inflammatory responses that follow respiratory infections are protective leading to pathogen clearance but can also be deleterious if unregulated. The microbiota is known to be an important protective barrier against infections, mediating both direct inhibitory effects against the potential pathogen and also regulating the immune responses contributing to a proper clearance of the pathogen and return to homeostasis. GPR43 is one receptor for acetate, a microbiota metabolite shown to induce and to regulate important immune functions. Here, we addressed the role of GPR43 signaling during pulmonary bacterial infections. We have shown for the first time that the absence of GPR43 leads to increased susceptibility to Klebsiella pneumoniae infection, which was associated to both uncontrolled proliferation of bacteria and to increased inflammatory response. Mechanistically, we showed that GPR43 expression especially in neutrophils and alveolar macrophages is important for bacterial phagocytosis and killing. In addition, treatment with the GPR43 ligand, acetate, is protective during bacterial lung infection. This was associated to reduction in the number of bacteria in the airways and to the control of the inflammatory responses. Altogether, GPR43 plays an important role in the “gut–lung axis” as a sensor of the host gut microbiota activity through acetate binding promoting a proper immune response in the lungs.
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Affiliation(s)
- Izabela Galvão
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Luciana P Tavares
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Renan O Corrêa
- Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, Brazil
| | - José Luís Fachi
- Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Vitor Melo Rocha
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Marcela Rungue
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Cristiana C Garcia
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Geovanni Cassali
- Department of General Pathology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Caroline M Ferreira
- Department of Pharmaceutics Sciences, Institute of Environmental, Chemistry and Pharmaceutical Sciences, Universidade Federal de São Paulo, Diadema, Brazil
| | - Flaviano S Martins
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Sergio C Oliveira
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Charles R Mackay
- Department of Immunology, Monash University, Melborne, VIC, Australia
| | - Mauro M Teixeira
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Marco Aurélio R Vinolo
- Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, Campinas, Brazil
| | - Angélica T Vieira
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil
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36
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Tan JK, McKenzie C, Mariño E, Macia L, Mackay CR. Metabolite-Sensing G Protein-Coupled Receptors-Facilitators of Diet-Related Immune Regulation. Annu Rev Immunol 2018; 35:371-402. [PMID: 28446062 DOI: 10.1146/annurev-immunol-051116-052235] [Citation(s) in RCA: 183] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Nutrition and the gut microbiome regulate many systems, including the immune, metabolic, and nervous systems. We propose that the host responds to deficiency (or sufficiency) of dietary and bacterial metabolites in a dynamic way, to optimize responses and survival. A family of G protein-coupled receptors (GPCRs) termed the metabolite-sensing GPCRs bind to various metabolites and transmit signals that are important for proper immune and metabolic functions. Members of this family include GPR43, GPR41, GPR109A, GPR120, GPR40, GPR84, GPR35, and GPR91. In addition, bile acid receptors such as GPR131 (TGR5) and proton-sensing receptors such as GPR65 show similar features. A consistent feature of this family of GPCRs is that they provide anti-inflammatory signals; many also regulate metabolism and gut homeostasis. These receptors represent one of the main mechanisms whereby the gut microbiome affects vertebrate physiology, and they also provide a link between the immune and metabolic systems. Insufficient signaling through one or more of these metabolite-sensing GPCRs likely contributes to human diseases such as asthma, food allergies, type 1 and type 2 diabetes, hepatic steatosis, cardiovascular disease, and inflammatory bowel diseases.
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Affiliation(s)
- Jian K Tan
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; , , ,
| | - Craig McKenzie
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; , , ,
| | - Eliana Mariño
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; , , , .,Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria 3800, Australia
| | - Laurence Macia
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; , , , .,Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria 3800, Australia.,Charles Perkins Centre, University of Sydney, Sydney, New South Wales 2006, Australia; .,Department of Physiology, Faculty of Medicine, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; , , ,
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37
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Mariño E, Richards JL, McLeod KH, Stanley D, Yap YA, Knight J, McKenzie C, Kranich J, Oliveira AC, Rossello FJ, Krishnamurthy B, Nefzger CM, Macia L, Thorburn A, Baxter AG, Morahan G, Wong LH, Polo JM, Moore RJ, Lockett TJ, Clarke JM, Topping DL, Harrison LC, Mackay CR. Erratum: Gut microbial metabolites limit the frequency of autoimmune T cells and protect against type 1 diabetes. Nat Immunol 2017; 18:1271. [PMID: 29044240 DOI: 10.1038/ni1117-1271c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This corrects the article DOI: 10.1038/ni.3713.
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38
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Tan J, McKenzie C, Vuillermin PJ, Goverse G, Vinuesa CG, Mebius RE, Macia L, Mackay CR. Dietary Fiber and Bacterial SCFA Enhance Oral Tolerance and Protect against Food Allergy through Diverse Cellular Pathways. Cell Rep 2017; 15:2809-24. [PMID: 27332875 DOI: 10.1016/j.celrep.2016.05.047] [Citation(s) in RCA: 407] [Impact Index Per Article: 58.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/02/2016] [Accepted: 05/10/2016] [Indexed: 02/07/2023] Open
Abstract
The incidence of food allergies in western countries has increased dramatically in recent decades. Tolerance to food antigens relies on mucosal CD103(+) dendritic cells (DCs), which promote differentiation of regulatory T (Treg) cells. We show that high-fiber feeding in mice improved oral tolerance and protected from food allergy. High-fiber feeding reshaped gut microbial ecology and increased the release of short-chain fatty acids (SCFAs), particularly acetate and butyrate. High-fiber feeding enhanced oral tolerance and protected against food allergy by enhancing retinal dehydrogenase activity in CD103(+) DC. This protection depended on vitamin A in the diet. This feeding regimen also boosted IgA production and enhanced T follicular helper and mucosal germinal center responses. Mice lacking GPR43 or GPR109A, receptors for SCFAs, showed exacerbated food allergy and fewer CD103(+) DCs. Dietary elements, including fiber and vitamin A, therefore regulate numerous protective pathways in the gastrointestinal tract, necessary for immune non-responsiveness to food antigens.
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Affiliation(s)
- Jian Tan
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Craig McKenzie
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | | | - Gera Goverse
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Carola G Vinuesa
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, ACT 0200, Australia
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, 1081 HZ Amsterdam, the Netherlands
| | - Laurence Macia
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia; Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; Department of Physiology, Faculty of Medicine, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia; Charles Perkins Centre, The University of Sydney, Sydney, NSW 2006, Australia; Department of Physiology, Faculty of Medicine, The University of Sydney, Sydney, NSW 2006, Australia.
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39
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Abstract
Hypertension is the leading risk factor for heart disease and stroke, and is estimated to cause 9.4 million deaths globally every year. The pathogenesis of hypertension is complex, but lifestyle factors such as diet are important contributors to the disease. High dietary intake of fruit and vegetables is associated with reduced blood pressure and lower cardiovascular mortality. A critical relationship between dietary intake and the composition of the gut microbiota has been described in the literature, and a growing body of evidence supports the role of the gut microbiota in the regulation of blood pressure. In this Review, we describe the mechanisms by which the gut microbiota and its metabolites, including short-chain fatty acids, trimethylamine N-oxide, and lipopolysaccharides, act on downstream cellular targets to prevent or contribute to the pathogenesis of hypertension. These effects have a direct influence on tissues such as the kidney, the endothelium, and the heart. Finally, we consider the role of the gut microbiota in resistant hypertension, the possible intergenerational effect of the gut microbiota on blood pressure regulation, and the promising therapeutic potential of gut microbiota modification to improve health and prevent disease.
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Affiliation(s)
- Francine Z Marques
- Heart Failure Research Group, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, Victoria 3004, Australia.,Department of Pharmacology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Wellington Road, Clayton Victoria 3800, Australia
| | - Charles R Mackay
- Infection and Immunity Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, 23 Innovation Walk, Clayton, Victoria 3800, Australia
| | - David M Kaye
- Heart Failure Research Group, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, Victoria 3004, Australia.,Heart Centre, Alfred Hospital, Philip Block, Level 3, 55 Commercial Road, Melbourne, Victoria 3004, Australia.,Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, 99 Commercial Road, Melbourne, Victoria 3004, Australia
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40
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Robert R, Ang C, Sun G, Juglair L, Lim EX, Mason LJ, Payne NL, Bernard CC, Mackay CR. Essential role for CCR6 in certain inflammatory diseases demonstrated using specific antagonist and knockin mice. JCI Insight 2017; 2:94821. [PMID: 28768901 DOI: 10.1172/jci.insight.94821] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 06/23/2017] [Indexed: 12/15/2022] Open
Abstract
The chemokine receptor CCR6 marks subsets of T cells and innate lymphoid cells that produce IL-17 and IL-22, and as such may play a role in the recruitment of these cells to certain inflammatory sites. However, the precise role of CCR6 has been controversial, in part because no effective monoclonal antibody (mAb) inhibitors against this receptor exist for use in mouse models of inflammation. We circumvented this problem using transgenic mice expressing human CCR6 (hCCR6) under control of its native promoter (hCCR6-Tg/mCCR6-/-). We also developed a fully humanized mAb against hCCR6 with antagonistic activity. The expression pattern of hCCR6 in hCCR6-Tg/mCCR6-/- mice was consistent with the pattern observed in humans. In mouse models of experimental autoimmune encephalomyelitis (EAE) and psoriasis, treatment with anti-hCCR6 mAb was remarkably effective in both preventive and therapeutic regimens. For instance, in the imiquimod model of psoriasis, anti-CCR6 completely abolished all signs of inflammation. Moreover, anti-hCCR6 attenuated clinical symptoms of myelin oligodendrocyte glycoprotein-induced (MOG-induced) EAE and reduced infiltration of inflammatory cells in the central nervous system. CCR6 plays a critical role in Th17 type inflammatory reactions, and CCR6 inhibition may offer an alternative approach for the treatment of these lesions.
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Affiliation(s)
- Remy Robert
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Caroline Ang
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Guizhi Sun
- Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | - Laurent Juglair
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Ee X Lim
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Linda J Mason
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
| | - Natalie L Payne
- Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | - Claude Ca Bernard
- Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | - Charles R Mackay
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Clayton, Australia
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41
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Mariño E, Richards JL, McLeod KH, Stanley D, Yap YA, Knight J, McKenzie C, Kranich J, Oliveira AC, Rossello FJ, Krishnamurthy B, Nefzger CM, Macia L, Thorburn A, Baxter AG, Morahan G, Wong LH, Polo JM, Moore RJ, Lockett TJ, Clarke JM, Topping DL, Harrison LC, Mackay CR. Gut microbial metabolites limit the frequency of autoimmune T cells and protect against type 1 diabetes. Nat Immunol 2017; 18:552-562. [PMID: 28346408 DOI: 10.1038/ni.3713] [Citation(s) in RCA: 458] [Impact Index Per Article: 65.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 02/21/2017] [Indexed: 12/18/2022]
Abstract
Gut dysbiosis might underlie the pathogenesis of type 1 diabetes. In mice of the non-obese diabetic (NOD) strain, we found that key features of disease correlated inversely with blood and fecal concentrations of the microbial metabolites acetate and butyrate. We therefore fed NOD mice specialized diets designed to release large amounts of acetate or butyrate after bacterial fermentation in the colon. Each diet provided a high degree of protection from diabetes, even when administered after breakdown of immunotolerance. Feeding mice a combined acetate- and butyrate-yielding diet provided complete protection, which suggested that acetate and butyrate might operate through distinct mechanisms. Acetate markedly decreased the frequency of autoreactive T cells in lymphoid tissues, through effects on B cells and their ability to expand populations of autoreactive T cells. A diet containing butyrate boosted the number and function of regulatory T cells, whereas acetate- and butyrate-yielding diets enhanced gut integrity and decreased serum concentration of diabetogenic cytokines such as IL-21. Medicinal foods or metabolites might represent an effective and natural approach for countering the numerous immunological defects that contribute to T cell-dependent autoimmune diseases.
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Affiliation(s)
- Eliana Mariño
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - James L Richards
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Keiran H McLeod
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Dragana Stanley
- Central Queensland University, School of Medical and Applied Sciences, Rockhampton, Australia
| | - Yu Anne Yap
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Jacinta Knight
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Craig McKenzie
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Jan Kranich
- Institute for Immunology, Ludwig Maximilians University, Munich, Munich, Germany
| | - Ana Carolina Oliveira
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernando J Rossello
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Australia.,Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Australia.,Australian Regenerative Medicine Institute, Monash University, Clayton, Australia
| | | | - Christian M Nefzger
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Australia.,Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Australia.,Australian Regenerative Medicine Institute, Monash University, Clayton, Australia
| | - Laurence Macia
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia.,Nutritional Immunometabolism Node Laboratory, Charles Perkins Centre, University of Sydney, Sydney, Australia.,School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Alison Thorburn
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Alan G Baxter
- Comparative Genomics Centre, Molecular Sciences, James Cook University, Townsville, Australia
| | - Grant Morahan
- Harry Perkins Institute for Medical Research, Nedlands, Australia
| | - Lee H Wong
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
| | - Jose M Polo
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Australia.,Development and Stem Cells Program, Monash Biomedicine Discovery Institute, Clayton, Australia.,Australian Regenerative Medicine Institute, Monash University, Clayton, Australia
| | - Robert J Moore
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Microbiology, Monash University, Clayton, Australia.,School of Science, RMIT University, Bundoora West Campus, Bundoora, Australia
| | | | | | | | | | - Charles R Mackay
- Infection and Immunity Program, Biomedicine Discovery Institute, Department of Biochemistry, Monash University, Clayton, Australia
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Marques FZ, Nelson E, Chu PY, Horlock D, Fiedler A, Ziemann M, Tan JK, Kuruppu S, Rajapakse NW, El-Osta A, Mackay CR, Kaye DM. High-Fiber Diet and Acetate Supplementation Change the Gut Microbiota and Prevent the Development of Hypertension and Heart Failure in Hypertensive Mice. Circulation 2017; 135:964-977. [DOI: 10.1161/circulationaha.116.024545] [Citation(s) in RCA: 496] [Impact Index Per Article: 70.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 11/29/2016] [Indexed: 01/11/2023]
Abstract
Background:
Dietary intake of fruit and vegetables is associated with lower incidence of hypertension, but the mechanisms involved have not been elucidated. Here, we evaluated the effect of a high-fiber diet and supplementation with the short-chain fatty acid acetate on the gut microbiota and the prevention of cardiovascular disease.
Methods:
Gut microbiome, cardiorenal structure/function, and blood pressure were examined in sham and mineralocorticoid excess–treated mice with a control diet, high-fiber diet, or acetate supplementation. We also determined the renal and cardiac transcriptome of mice treated with the different diets.
Results:
We found that high consumption of fiber modified the gut microbiota populations and increased the abundance of acetate-producing bacteria independently of mineralocorticoid excess. Both fiber and acetate decreased gut dysbiosis, measured by the ratio of Firmicutes to Bacteroidetes, and increased the prevalence of
Bacteroides acidifaciens
. Compared with mineralocorticoid-excess mice fed a control diet, both high-fiber diet and acetate supplementation significantly reduced systolic and diastolic blood pressures, cardiac fibrosis, and left ventricular hypertrophy. Acetate had similar effects and markedly reduced renal fibrosis. Transcriptome analyses showed that the protective effects of high fiber and acetate were accompanied by the downregulation of cardiac and renal
Egr1
, a master cardiovascular regulator involved in cardiac hypertrophy, cardiorenal fibrosis, and inflammation. We also observed the upregulation of a network of genes involved in circadian rhythm in both tissues and downregulation of the renin-angiotensin system in the kidney and mitogen-activated protein kinase signaling in the heart.
Conclusions:
A diet high in fiber led to changes in the gut microbiota that played a protective role in the development of cardiovascular disease. The favorable effects of fiber may be explained by the generation and distribution of one of the main metabolites of the gut microbiota, the short-chain fatty acid acetate. Acetate effected several molecular changes associated with improved cardiovascular health and function.
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Affiliation(s)
- Francine Z. Marques
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Erin Nelson
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Po-Yin Chu
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Duncan Horlock
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - April Fiedler
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Mark Ziemann
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Jian K. Tan
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Sanjaya Kuruppu
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Niwanthi W. Rajapakse
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Assam El-Osta
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - Charles R. Mackay
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
| | - David M. Kaye
- From Heart Failure Research Group (F.Z.M., E.N., P.-Y.C., D.H., A.F., N.W.R., D.M.K.) and Human Epigenetics Group (M.Z., A.E.-O.), Baker Heart and Diabetes Institute, Melbourne, Australia; Central Clinical School, Faculty of Medicine Nursing and Health Sciences (F.Z.M., A.E.-O., D.M.K.), Infection and Immunity Program, Monash Biomedicine Discovery Institute (J.K.T., C.R.M.), Department of Biochemistry and Molecular Biology (J.K.T., S.K., C.R.M.), and Department of Physiology (N.W.R.), Monash
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43
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Goverse G, Molenaar R, Macia L, Tan J, Erkelens MN, Konijn T, Knippenberg M, Cook ECL, Hanekamp D, Veldhoen M, Hartog A, Roeselers G, Mackay CR, Mebius RE. Diet-Derived Short Chain Fatty Acids Stimulate Intestinal Epithelial Cells To Induce Mucosal Tolerogenic Dendritic Cells. J I 2017; 198:2172-2181. [DOI: 10.4049/jimmunol.1600165] [Citation(s) in RCA: 127] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 12/16/2016] [Indexed: 12/27/2022]
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44
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Brooks L, Viardot A, Tsakmaki A, Stolarczyk E, Howard JK, Cani PD, Everard A, Sleeth ML, Psichas A, Anastasovskaj J, Bell JD, Bell-Anderson K, Mackay CR, Ghatei MA, Bloom SR, Frost G, Bewick GA. Fermentable carbohydrate stimulates FFAR2-dependent colonic PYY cell expansion to increase satiety. Mol Metab 2016; 6:48-60. [PMID: 28123937 PMCID: PMC5220466 DOI: 10.1016/j.molmet.2016.10.011] [Citation(s) in RCA: 154] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 10/27/2016] [Accepted: 10/28/2016] [Indexed: 12/24/2022] Open
Abstract
Objective Dietary supplementation with fermentable carbohydrate protects against body weight gain. Fermentation by the resident gut microbiota produces short-chain fatty acids, which act at free fatty acid receptor 2 (FFAR2). Our aim was to test the hypothesis that FFAR2 is important in regulating the beneficial effects of fermentable carbohydrate on body weight and to understand the role of gut hormones PYY and GLP-1. Methods Wild-type or Ffar2−/− mice were fed an inulin supplemented or control diet. Mice were metabolically characterized and gut hormone concentrations, enteroendocrine cell density measurements were carried out. Intestinal organoids and colonic cultures were utilized to substantiate the in vivo findings. Results We provide new mechanistic insight into how fermentable carbohydrate regulates metabolism. Using mice that lack FFAR2, we demonstrate that the fermentable carbohydrate inulin acts via this receptor to drive an 87% increase in the density of cells that produce the appetite-suppressing hormone peptide YY (PYY), reduce food intake, and prevent diet-induced obesity. Conclusion Our results demonstrate that FFAR2 is predominantly involved in regulating the effects of fermentable carbohydrate on metabolism and does so, in part, by enhancing PYY cell density and release. This highlights the potential for targeting enteroendocrine cell differentiation to treat obesity. Fermentable carbohydrate protects against diet-induced obesity via FFAR2. Fermentable carbohydrate increases GLP-1 cell density independently of FFAR2. FFAR2 signaling increases PYY cell density and circulating PYY concentration.
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Affiliation(s)
- Lucy Brooks
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK
| | - Alexander Viardot
- Diabetes & Metabolism Division, Garvan Institute of Medical Research, Sydney-Darlinghurst, NSW, 2010, Australia
| | - Anastasia Tsakmaki
- Division of Diabetes and Nutritional Sciences, King's College London, London, SE1 9RT, UK
| | - Emilie Stolarczyk
- Division of Diabetes and Nutritional Sciences, King's College London, London, SE1 9RT, UK
| | - Jane K Howard
- Division of Diabetes and Nutritional Sciences, King's College London, London, SE1 9RT, UK
| | - Patrice D Cani
- Louvain Drug Research Institute, Metabolism and Nutrition Research Group, WELBIO (Walloon Excellence in Life sciences and BIOtechnology), Université catholique de Louvain, B-1200, Brussels, Belgium
| | - Amandine Everard
- Louvain Drug Research Institute, Metabolism and Nutrition Research Group, WELBIO (Walloon Excellence in Life sciences and BIOtechnology), Université catholique de Louvain, B-1200, Brussels, Belgium
| | - Michelle L Sleeth
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK
| | - Arianna Psichas
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK
| | - Jelena Anastasovskaj
- Metabolic and Molecular Imaging Group, MRC Clinical Science Centre, Imperial College London, London, W12 0NN, UK
| | - Jimmy D Bell
- Metabolic and Molecular Imaging Group, MRC Clinical Science Centre, Imperial College London, London, W12 0NN, UK
| | - Kim Bell-Anderson
- School of Molecular Bioscience, University of Sydney, Sydney, NSW, 2006, Australia
| | - Charles R Mackay
- Charles Perkins Centre, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia; Department of Immunology, Monash University, Clayton, VIC, 3800, Australia
| | - Mohammad A Ghatei
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK
| | - Stephen R Bloom
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK
| | - Gary Frost
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK.
| | - Gavin A Bewick
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, W12 0NN, UK; Division of Diabetes and Nutritional Sciences, King's College London, London, SE1 9RT, UK.
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Kamp ME, Shim R, Nicholls AJ, Oliveira AC, Mason LJ, Binge L, Mackay CR, Wong CHY. G Protein-Coupled Receptor 43 Modulates Neutrophil Recruitment during Acute Inflammation. PLoS One 2016; 11:e0163750. [PMID: 27658303 PMCID: PMC5033414 DOI: 10.1371/journal.pone.0163750] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 09/13/2016] [Indexed: 12/14/2022] Open
Abstract
Fermentation of dietary fibre in the gut yields large amounts of short chain fatty acids (SCFAs). SCFAs can impart biological responses in cells through their engagement of ‘metabolite-sensing’ G protein-coupled receptors (GPCRs). One of the main SCFA receptors, GPR43, is highly expressed by neutrophils, which suggests that the actions of GPR43 and dietary fibre intake may affect neutrophil recruitment during inflammatory responses in vivo. Using intravital imaging of the small intestine, we found greater intravascular neutrophil rolling and adhesion in Gpr43−/−mice in response to LPS at 1 h. After 4 h of LPS challenge, the intravascular rolling velocity of GPR43-deficient neutrophils was reduced significantly and increased numbers of neutrophils were found in the lamina propria of Gpr43−/−mice. Additionally, GPR43-deficient leukocytes demonstrated exacerbated migration into the peritoneal cavity following fMLP challenge. The fMLP-induced neutrophil migration was significantly suppressed in wildtype mice that were treated with acetate, but not in Gpr43−/−mice, strongly suggesting a role for SCFAs in modulating neutrophil migration via GPR43. Indeed, neutrophils of no fibre-fed wildtype mice exhibited elevated migratory behaviour compared to normal chow-fed wildtype mice. Interestingly, this elevated migration could also be reproduced through simple transfer of a no fibre microbiota into germ-free mice, suggesting that the composition and function of microbiota stemming from a no fibre diet mediated the changes in neutrophil migration. Therefore, GPR43 and a microbiota composition that allows for SCFA production function to modulate neutrophil recruitment during inflammatory responses.
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Affiliation(s)
- Marjon E. Kamp
- School of Biomedical Sciences, Monash University, Victoria, Australia
| | - Raymond Shim
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Victoria, Australia
| | - Alyce J. Nicholls
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Victoria, Australia
| | - Ana Carolina Oliveira
- Laboratório de Imunologia Molecular, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Linda J. Mason
- School of Biomedical Sciences, Monash University, Victoria, Australia
| | - Lauren Binge
- School of Biomedical Sciences, Monash University, Victoria, Australia
| | - Charles R. Mackay
- School of Biomedical Sciences, Monash University, Victoria, Australia
| | - Connie H. Y. Wong
- Centre for Inflammatory Diseases, Department of Medicine, School of Clinical Sciences, Monash University, Victoria, Australia
- * E-mail:
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Chevalier N, Macia L, Tan JK, Mason LJ, Robert R, Thorburn AN, Wong CHY, Tsai LM, Bourne K, Brink R, Yu D, Mackay CR. The Role of Follicular Helper T Cell Molecules and Environmental Influences in Autoantibody Production and Progression to Inflammatory Arthritis in Mice. Arthritis Rheumatol 2016; 68:1026-38. [PMID: 26501485 DOI: 10.1002/art.39481] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 10/22/2015] [Indexed: 01/17/2023]
Abstract
OBJECTIVE Antibody-mediated autoimmunity involves cognate interactions between self-reactive T cells and B cells during germinal center (GC) reactions. The aim of this study was to determine the role of essential follicular helper T (Tfh) cell molecules (CXCR5, signaling lymphocytic activation molecule-associated protein) on autoreactive CD4+ cells and the role of certain environmental influences that may determine GC-driven autoantibody production and arthritis development. METHODS We transferred self-reactive CD4+ cells from KRN-Tg mice into recipient mice, which induced autoantibodies and autoinflammatory arthritis. This model allowed manipulation of environmental effects, such as inflammation, and use of transferred cells that were genetically deficient in important Tfh cell-associated molecules. RESULTS A deficiency of signaling lymphocytic activation molecule-associated protein (SAP) in CD4+ cells from KRN-Tg mice completely protected against arthritis, indicating that stable T cell-B cell interactions are required for GC formation, autoantibody production, and arthritis induction. In contrast, a CXCR5 deficiency in CD4+ cells from KRN-Tg mice still induced disease when these cells were transferred into wild-type mice, suggesting that T cell help for B cells could rely on other migration mechanisms. However, various manipulations influenced this system, including elimination of bystander effects through use of CD28(-/-) recipient mice (reduced disease) or use of inflammation-inducing Freund's complete adjuvant (progression to arthritis). We also examined the capacity of preexisting GCs with a nonautoimmune specificity to co-opt autoimmune T cells and observed no evidence for any influence. CONCLUSION In addition to the quality and quantity of cognate CD4+ cell help, external factors such as inflammation and noncognate CD4+ cell bystander activation trigger autoimmunity by shaping events within autoimmune GC responses. SAP is an essential molecule for autoimmune antibody production, whereas the importance of CXCR5 varies depending on the circumstances.
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Affiliation(s)
- Nina Chevalier
- University Medical Centre Freiburg, Freiburg, Germany, Monash University, Clayton Campus, Melbourne, Victoria, Australia, and Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Laurence Macia
- Monash University, Clayton Campus, Melbourne, Victoria, Australia, and Charles Perkins Centre, University of Sydney, Camperdown, New South Wales, Australia
| | - Jian K Tan
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | - Linda J Mason
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | - Remy Robert
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | | | - Connie H Y Wong
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | - Louis M Tsai
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | - Katherine Bourne
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Robert Brink
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Di Yu
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
| | - Charles R Mackay
- Monash University, Clayton Campus, Melbourne, Victoria, Australia
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Vieira AT, Galvão I, Macia LM, Sernaglia ÉM, Vinolo MAR, Garcia CC, Tavares LP, Amaral FA, Sousa LP, Martins FS, Mackay CR, Teixeira MM. Dietary fiber and the short-chain fatty acid acetate promote resolution of neutrophilic inflammation in a model of gout in mice. J Leukoc Biol 2016; 101:275-284. [PMID: 27496979 DOI: 10.1189/jlb.3a1015-453rrr] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 07/18/2016] [Accepted: 07/21/2016] [Indexed: 11/24/2022] Open
Abstract
Gout is a disease characterized by the deposition of monosodium urate (MSU) crystals in the joints. Continuous gout episodes may lead to unresolved inflammatory responses and tissue damage. We investigated the effects of a high-fiber diet and acetate, a short-chain fatty acid (SCFA) resulting from the metabolism of fiber by gut microbiota, on the inflammatory response in an experimental model of gout in mice. Injection of MSU crystals into the knee joint of mice induced neutrophil influx and inflammatory hypernociception. The onset of inflammatory response induced by MSU crystals was not altered in animals given a high-fiber diet, but the high-fiber diet induced faster resolution of the inflammatory response. Similar results were obtained in animals given the SCFA acetate. Acetate was effective, even when given after injection of MSU crystals at the peak of the inflammatory response and induced caspase-dependent apoptosis of neutrophils that accounted for the resolution of inflammation. Resolution of neutrophilic inflammation was associated with decreased NF-κB activity and enhanced production of anti-inflammatory mediators, including IL-10, TGF-β, and annexin A1. Acetate treatment or intake of a high-fiber diet enhanced efferocytosis, an effect also observed in vitro with neutrophils treated with acetate. In conclusion, a high-fiber diet or one of its metabolic products, acetate, controls the inflammatory response to MSU crystals by favoring the resolution of the inflammatory response. Our studies suggest that what we eat plays a determinant role in our capacity to fine tune the inflammatory response. INTRODUCTION
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Affiliation(s)
- Angélica T Vieira
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil.,Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Minas Gerais, Brazil
| | - Izabela Galvão
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Laurence M Macia
- Department of Immunology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia; and
| | - Érica M Sernaglia
- Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Marco Aurélio R Vinolo
- Department of Genetics, Evolution and Bioagents, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Cristiana C Garcia
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Luciana P Tavares
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Flávio A Amaral
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Lirlândia P Sousa
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil
| | - Flaviano S Martins
- Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Minas Gerais, Brazil
| | - Charles R Mackay
- Department of Immunology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia; and
| | - Mauro M Teixeira
- Immunopharmacology Group, Department of Biochemistry and Immunology, Federal University of Minas Gerais, Minas Gerais, Brazil;
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48
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Lassen KG, McKenzie CI, Mari M, Murano T, Begun J, Baxt LA, Goel G, Villablanca EJ, Kuo SY, Huang H, Macia L, Bhan AK, Batten M, Daly MJ, Reggiori F, Mackay CR, Xavier RJ. Genetic Coding Variant in GPR65 Alters Lysosomal pH and Links Lysosomal Dysfunction with Colitis Risk. Immunity 2016; 44:1392-405. [PMID: 27287411 DOI: 10.1016/j.immuni.2016.05.007] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/19/2016] [Accepted: 03/21/2016] [Indexed: 12/28/2022]
Abstract
Although numerous polymorphisms have been associated with inflammatory bowel disease (IBD), identifying the function of these genetic factors has proved challenging. Here we identified a role for nine genes in IBD susceptibility loci in antibacterial autophagy and characterized a role for one of these genes, GPR65, in maintaining lysosome function. Mice lacking Gpr65, a proton-sensing G protein-coupled receptor, showed increased susceptibly to bacteria-induced colitis. Epithelial cells and macrophages lacking GPR65 exhibited impaired clearance of intracellular bacteria and accumulation of aberrant lysosomes. Similarly, IBD patient cells and epithelial cells expressing an IBD-associated missense variant, GPR65 I231L, displayed aberrant lysosomal pH resulting in lysosomal dysfunction, impaired bacterial restriction, and altered lipid droplet formation. The GPR65 I231L polymorphism was sufficient to confer decreased GPR65 signaling. Collectively, these data establish a role for GPR65 in IBD susceptibility and identify lysosomal dysfunction as a potentially causative element in IBD pathogenesis with effects on cellular homeostasis and defense.
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Affiliation(s)
- Kara G Lassen
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA.
| | - Craig I McKenzie
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC 3800, Australia
| | - Muriel Mari
- Department of Cell Biology, University of Groningen, University Medical Center Groningen, 3713 AV Groningen, the Netherlands; Department of Cell Biology, University Medical Center Utrecht, 3564 CX Utrecht, the Netherlands
| | - Tatsuro Murano
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jakob Begun
- Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA; Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA 02114, USA; Mater Research Institute and School of Medicine, University of Queensland, Brisbane, QLD 4101, Australia
| | - Leigh A Baxt
- Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Gautam Goel
- Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Eduardo J Villablanca
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA; Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Szu-Yu Kuo
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Hailiang Huang
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Analytic and Translational Genetics Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Laurence Macia
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC 3800, Australia
| | - Atul K Bhan
- Pathology Department, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA; Center for the Study of Inflammatory Bowel Disease, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Marcel Batten
- Garvan Institute of Medical Research and St. Vincent's Clinical School, University of New South Wales, Sydney, NSW 2010, Australia
| | - Mark J Daly
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Analytic and Translational Genetics Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Center for the Study of Inflammatory Bowel Disease, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Fulvio Reggiori
- Department of Cell Biology, University of Groningen, University Medical Center Groningen, 3713 AV Groningen, the Netherlands; Department of Cell Biology, University Medical Center Utrecht, 3564 CX Utrecht, the Netherlands
| | - Charles R Mackay
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Melbourne, VIC 3800, Australia
| | - Ramnik J Xavier
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114, USA; Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA 02114, USA; Center for the Study of Inflammatory Bowel Disease, Massachusetts General Hospital, Boston, MA 02114, USA.
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49
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Richards JL, Yap YA, McLeod KH, Mackay CR, Mariño E. Dietary metabolites and the gut microbiota: an alternative approach to control inflammatory and autoimmune diseases. Clin Transl Immunology 2016; 5:e82. [PMID: 27350881 PMCID: PMC4910123 DOI: 10.1038/cti.2016.29] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 04/04/2016] [Accepted: 04/04/2016] [Indexed: 02/06/2023] Open
Abstract
It is now convincingly clear that diet is one of the most influential lifestyle factors contributing to the rise of inflammatory diseases and autoimmunity in both developed and developing countries. In addition, the modern 'Western diet' has changed in recent years with increased caloric intake, and changes in the relative amounts of dietary components, including lower fibre and higher levels of fat and poor quality of carbohydrates. Diet shapes large-bowel microbial ecology, and this may be highly relevant to human diseases, as changes in the gut microbiota composition are associated with many inflammatory diseases. Recent studies have demonstrated a remarkable role for diet, the gut microbiota and their metabolites—the short-chain fatty acids (SCFAs)—in the pathogenesis of several inflammatory diseases, such as asthma, arthritis, inflammatory bowel disease, colon cancer and wound-healing. This review summarizes how diet, microbiota and gut microbial metabolites (particularly SCFAs) can modulate the progression of inflammatory diseases and autoimmunity, and reveal the molecular mechanisms (metabolite-sensing G protein-coupled receptor (GPCRs) and inhibition of histone deacetylases (HDACs)). Therefore, considerable benefit could be achieved simply through the use of diet, probiotics and metabolites for the prevention and treatment of inflammatory diseases and autoimmunity.
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Affiliation(s)
- James L Richards
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Victoria, Australia
| | - Yu Anne Yap
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Victoria, Australia
| | - Keiran H McLeod
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Victoria, Australia
| | - Charles R Mackay
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Victoria, Australia
| | - Eliana Mariño
- Department of Biochemistry and Molecular Biology, Monash University , Clayton, Victoria, Australia
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50
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McKenzie CI, Mackay CR, Macia L. GPR43 - A Prototypic Metabolite Sensor Linking Metabolic and Inflammatory Diseases. Trends Endocrinol Metab 2015; 26:511-512. [PMID: 26412151 DOI: 10.1016/j.tem.2015.07.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 07/30/2015] [Accepted: 07/31/2015] [Indexed: 10/23/2022]
Abstract
Short-chain fatty acids (SCFAs) are released upon fermentation of dietary fiber by gut bacteria. G protein-coupled receptor 43 (GPR43), a key receptor for SCFAs, is expressed on cell types important for immunity and metabolism. GPR43 modulates both inflammatory and metabolic processes, and is crucial for understanding the pathogenesis of 'Western lifestyle' diseases.
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Affiliation(s)
- Craig I McKenzie
- Department of Immunology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Wellington Road, Clayton, Victoria 3800, Australia
| | - Charles R Mackay
- Department of Immunology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Wellington Road, Clayton, Victoria 3800, Australia; Pfizer Inc., 610 Main Street, Cambridge, MA 02139, USA.
| | - Laurence Macia
- Department of Immunology, Faculty of Medicine, Nursing and Health Sciences, Monash University, Wellington Road, Clayton, Victoria 3800, Australia; Charles Perkins Centre, The University of Sydney, NSW 2006, Australia; School of Medical Sciences, The University of Sydney, NSW 2006, Australia.
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