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Zhang Y, Zhen S, Xu H, Sun S, Wang Z, Li M, Zou L, Zhang Y, Zhao Y, Cui Y, Han J. Vitamin C alleviates rheumatoid arthritis by modulating gut microbiota balance. Biosci Trends 2024; 18:187-194. [PMID: 38599880 DOI: 10.5582/bst.2024.01037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic and symmetric in-flammation. Our previous research revealed an imbalance in the gut flora of RA patients and showed that certain gut microbiota can accelerate RA progression by enhancing vitamin C degradation. However, it is unclear whether vitamin C supplementation could improve the gut microbiota to prevent the development of arthritis by interfering with the gut-joint axis. In this work, we aimed to evaluate the effects of vitamin C in regulating the gut microbiota and to elucidate its potential role in the onset and progression of RA in a mouse model, thus providing a basis for the development of new intervention strategies and treatments for RA. In this study, collagen-induced arthritis (CIA) mouse models, biochemical, histological and 16S rRNA microbiological methods were used to investigate the role and possible mechanism of vitamin C in rheumatoid arthritis. The results showed that treatment of CIA mice with vitamin C effectively rescued the gut mi-crobiota imbalance and suppressed the inflammatory response associated with RA, and effectively alleviated arthritis symptoms in mice in which levels of the pro-inflammatory cytokines IL-6 and TNF-α were specifi-cally reduced. In conclusion, our results demonstrate the potential of vitamin C as a potential therapeutic choice for RA.
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Affiliation(s)
- Yanjie Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Sibin Zhen
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Hao Xu
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Songfang Sun
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Ziwei Wang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Mian Li
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Liang Zou
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- Bone Biomechanics Engineering Laboratory of Shandong Province, Neck-Shoulder and Lumbocrural Pain Hospital of Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, China
| | - Yangyang Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Yan Zhao
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Yazhou Cui
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
| | - Jinxiang Han
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji' nan, Shandong, China
- NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Ji'nan, Shandong, China
- Key Lab for Rare & Uncommon Diseases of Shandong Province, Ji'nan, Shandong, China
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Lu ZF, Hsu CY, Younis NK, Mustafa MA, Matveeva EA, Al-Juboory YHO, Adil M, Athab ZH, Abdulraheem MN. Exploring the significance of microbiota metabolites in rheumatoid arthritis: uncovering their contribution from disease development to biomarker potential. APMIS 2024; 132:382-415. [PMID: 38469726 DOI: 10.1111/apm.13401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/27/2024] [Indexed: 03/13/2024]
Abstract
Rheumatoid arthritis (RA) is a multifaceted autoimmune disorder characterized by chronic inflammation and joint destruction. Recent research has elucidated the intricate interplay between gut microbiota and RA pathogenesis, underscoring the role of microbiota-derived metabolites as pivotal contributors to disease development and progression. The human gut microbiota, comprising a vast array of microorganisms and their metabolic byproducts, plays a crucial role in maintaining immune homeostasis. Dysbiosis of this microbial community has been linked to numerous autoimmune disorders, including RA. Microbiota-derived metabolites, such as short-chain fatty acids (SCFAs), tryptophan derivatives, Trimethylamine-N-oxide (TMAO), bile acids, peptidoglycan, and lipopolysaccharide (LPS), exhibit immunomodulatory properties that can either exacerbate or ameliorate inflammation in RA. Mechanistically, these metabolites influence immune cell differentiation, cytokine production, and gut barrier integrity, collectively shaping the autoimmune milieu. This review highlights recent advances in understanding the intricate crosstalk between microbiota metabolites and RA pathogenesis and also discusses the potential of specific metabolites to trigger or suppress autoimmunity, shedding light on their molecular interactions with immune cells and signaling pathways. Additionally, this review explores the translational aspects of microbiota metabolites as diagnostic and prognostic tools in RA. Furthermore, the challenges and prospects of translating these findings into clinical practice are critically examined.
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Affiliation(s)
- Zi-Feng Lu
- Heilongjiang Beidahuang Group General Hospital, Heilongjiang, China
| | - Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | | | - Mohammed Ahmed Mustafa
- Department of Medical Laboratory Technology, University of Imam Jaafar AL-Sadiq, Kirkuk, Iraq
| | - Elena A Matveeva
- Department of Orthopaedic Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | | | - Mohaned Adil
- Pharmacy College, Al-Farahidi University, Baghdad, Iraq
| | - Zainab H Athab
- Department of Pharmacy, Al-Zahrawi University College, Karbala, Iraq
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Huang Z, Chen C, Tan L, Ling Y, Ma W, Zhang J. 16S rRNA Gene Sequencing of Gut Microbiota in Rheumatoid Arthritis Treated with 99Tc-MDP. Pharmgenomics Pers Med 2024; 17:237-249. [PMID: 38807628 PMCID: PMC11130713 DOI: 10.2147/pgpm.s451065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 04/27/2024] [Indexed: 05/30/2024] Open
Abstract
Background Rheumatoid arthritis (RA) is a common autoimmune disease with the main symptoms being joint swelling and pain. In severe cases, joint deformity or even complete loss of function occurs. Technetium methylene diphosphonate (99Tc-MDP) is widely used for RA treatment in China, but there are no studies on the effects of 99Tc-MDP on intestinal flora. Objective To explore the effects of 99Tc-MDP treatment on the composition and function of the intestinal flora and to provide new information on the mechanism of 99Tc-MDP in RA treatment. Methods Stool samples from RA patients before and after 99Tc-MDP treatment were collected to form two groups (Before and After). Total genomic DNA of the samples was extracted for 16S rRNA gene sequencing. The altered composition of the intestinal flora, the key target bacteria regulated by 99Tc-MDP, and the pathways of action of 99 Tc-MDP were analyzed by bioinformatics. Results A total of 64 fresh stool samples were collected from 32 RA patients. Compared to the Before group, the After group showed increased Bacteroidetes abundance and decreased Firmicutes abundance. At the genus level, Prevotella increased whereas Escherichia decreased. Both α and β diversity analyses showed that 99Tc-MDP treatment did not affect gut microbial diversity in RA patients. LEfSe analyses and random forest analyses showed Bacteroidetes, Prevotella, Enterococcus, Escherichia and Ruminococcaceae were the main 99Tc-MDP regulating bacteria. Functional enrichment analysis revealed that the functional differences in gut flora of the two groups centered on Metabolism and Genetic Information Processing. Conclusion This study revealed differences in the composition of the gut microbiota in RA patients before and after 99Tc-MDP treatment. The therapeutic effect of 99Tc MDP is mainly achieved through Bacteroidetes, Prevotella, and Enterococcus. Regulating metabolism and genetic information processing of gut flora may be the mechanism of 99Tc-MDP in treating RA.
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Affiliation(s)
- Zhaowei Huang
- Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, People’s Republic of China
| | - Changming Chen
- Department of Rheumatology & Immunology, The Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Linlin Tan
- Department of Internal Medicine, Jinshazhou Hospital Affiliated to Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Yi Ling
- Department of Rheumatology & Immunology, The Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Wukai Ma
- Department of Rheumatology & Immunology, The Second Affiliated Hospital of Guizhou University of Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Jinan Zhang
- Graduate School, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, People’s Republic of China
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Wu Y, Li X, Meng H, Wang Y, Sheng P, Dong Y, Yang J, Chen B, Wang X. Dietary fiber may benefit chondrocyte activity maintenance. Front Cell Infect Microbiol 2024; 14:1401963. [PMID: 38803575 PMCID: PMC11129558 DOI: 10.3389/fcimb.2024.1401963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 04/15/2024] [Indexed: 05/29/2024] Open
Abstract
The understanding of the link between the gut-bone axis is growing yearly, but the mechanisms involved are not yet clear. Our study analyzed the role of Sestrin2 (SESN2)pathway in the gut-bone axis. We established an osteoarthritis (OA) model in Sprague-Dawley (SD) rats using the anterior cruciate ligament transection (ACLT) procedure, followed by a dietary intervention with varying levels of dietary fiber content for 8 weeks. By 16S rRNA sequencing of the gut microbiota, we found that high dietary fiber (HDF) intake could significantly increase the Bacillota-dominant gut microbiota. Meanwhile, enzyme linked immunosorbent assay (ELISA) and histological analysis showed that intervention with HDF could reduce the degree of bone and joint lesions and inflammation. We hypothesize that HDF increased the dominant flora of Bacillota, up-regulated the expression of SESN2 in knee joint, and reduced gut permeability, thereby reducing systemic inflammatory response and the degree of bone and joint lesions. Therefore, the present study confirms that changes in gut microbiota induced by increased dietary fiber intake delayed the onset of OA by promoting up-regulation of SESN2 expression at the knee joint to maintain chondrocyte activity and reduce synovial inflammation.
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Affiliation(s)
- Ying Wu
- Department of Orthopedics, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
| | - XiangJie Li
- Department of Orthopedics, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
| | - Hao Meng
- Department of Orthopedics, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
| | - Ying Wang
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
| | - Peng Sheng
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
| | - YongNing Dong
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
| | - Ju Yang
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
| | - BingQian Chen
- Department of Orthopaedics, Changshu Hospital Affiliated to Soochow University, First Peoples’ Hospital of Changshu City, Changshu, Jiangsu, China
| | - XueSong Wang
- Department of Orthopedics, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China
- Department of Nutrition, Affiliated Hospital of Jiangnan University, Wuxi, China
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China
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Yang KL, Mullins BJ, Lejeune A, Ivanova E, Shin J, Bajwa S, Possemato R, Cadwell K, Scher JU, Koralov SB. Mitigation of Osteoclast-Mediated Arthritic Bone Remodeling By Short Chain Fatty Acids. Arthritis Rheumatol 2024; 76:647-659. [PMID: 37994265 DOI: 10.1002/art.42765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 10/24/2023] [Accepted: 11/13/2023] [Indexed: 11/24/2023]
Abstract
OBJECTIVE The objective for this study was to evaluate the effects of short chain fatty acids (SCFAs) on arthritic bone remodeling. METHODS We treated a recently described preclinical murine model of psoriatic arthritis (PsA), R26STAT3Cstopfl/fl CD4Cre mice, with SCFA-supplemented water. We also performed in vitro osteoclast differentiation assays in the presence of serum-level SCFAs to evaluate the direct impact of these microbial metabolites on maturation and function of osteoclasts. We further characterized the molecular mechanism of SCFAs by transcriptional analysis. RESULTS The osteoporosis condition in R26STAT3Cstopfl/fl CD4Cre animals is attributed primarily to robust osteoclast differentiation driven by an expansion of osteoclast progenitor cells (OCPs), accompanied by impaired osteoblast development. We show that SCFA supplementation can rescue the osteoporosis phenotype in this model of PsA. Our in vitro experiments revealed an inhibitory effect of the SCFAs on osteoclast differentiation, even at very low serum concentrations. This suppression of osteoclast differentiation enabled SCFAs to impede osteoporosis development in R26STAT3Cstopfl/fl CD4Cre mice. Further interrogation revealed that bone marrow-derived OCPs from diseased mice expressed a higher level of SCFA receptors than those of control mice and that the progenitor cells in the bone marrow of SCFA-treated mice presented a modified transcriptomic landscape, suggesting a direct impact of SCFAs on bone marrow progenitors in the context of osteoporosis. CONCLUSION We demonstrated how gut microbiota-derived SCFAs can regulate distal pathology (ie, osteoporosis) and identified a potential therapeutic option for restoring bone density in rheumatic disease, further highlighting the critical role of the gut-bone axis in these disorders.
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Affiliation(s)
| | | | | | | | - Jong Shin
- New York University Langone Health, New York City
| | - Sofia Bajwa
- New York University Langone Health, New York City
| | | | - Ken Cadwell
- New York University Langone Health, New York City, and University of Pennsylvania Perelman School of Medicine, Philadelphia
| | - Jose U Scher
- New York University Langone Health and New York University School of Medicine, New York City
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Yang X, Zhang W, Wang L, Zhao Y, Wei W. Metabolite-sensing GPCRs in rheumatoid arthritis. Trends Pharmacol Sci 2024; 45:118-133. [PMID: 38182481 DOI: 10.1016/j.tips.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/05/2023] [Accepted: 12/12/2023] [Indexed: 01/07/2024]
Abstract
Persistent inflammation in damaged joints results in metabolic dysregulation of the synovial microenvironment, causing pathogenic alteration of cell activity in rheumatoid arthritis (RA). Recently, the role of metabolite and metabolite-sensing G protein-coupled receptors (GPCRs) in the RA-related inflammatory immune response (IIR) has become a focus of research attention. These GPCRs participate in the progression of RA by modulating immune cell activation, migration, and inflammatory responses. Here, we discuss recent evidence implicating metabolic dysregulation in RA pathogenesis, focusing on the connection between RA-related IIR and GPCR signals originating from the synovial joint and gut. Furthermore, we discuss future directions for targeting metabolite-sensing GPCRs for therapeutic benefit, emphasizing the importance of identifying endogenous ligands and investigating the various transduction mechanisms involved.
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Affiliation(s)
- Xuezhi Yang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei 230032, China
| | - Wankang Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei 230032, China
| | - Luping Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei 230032, China
| | - Yingjie Zhao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China.
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Ministry of Education, Hefei 230032, China.
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Moerings BG, Abbring S, Tomassen MM, Schols HA, Witkamp RF, van Norren K, Govers C, van Bergenhenegouwen J, Mes JJ. Rice-derived arabinoxylan fibers are particle size-dependent inducers of trained immunity in a human macrophage-intestinal epithelial cell co-culture model. Curr Res Food Sci 2023; 8:100666. [PMID: 38179220 PMCID: PMC10765302 DOI: 10.1016/j.crfs.2023.100666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/12/2023] [Accepted: 12/16/2023] [Indexed: 01/06/2024] Open
Abstract
Arabinoxylans have been identified for a wide range of purported health-promoting applications, primarily attributed to its immunomodulatory effects. Previously, we have reported the ability of arabinoxylans to induce non-specific memory in innate immune cells, commonly referred to as "trained innate immunity". In the present study, we investigated the effect of particle size on innate immune training and resilience in primary human macrophages as well as in a more physiologically relevant macrophage-intestinal epithelial cell co-culture model. We demonstrated that smaller (>45 & < 90 μm) compared to larger (>90 μm) particle size fractions of rice bran-derived arabinoxylan preparations have a higher enhancing effect on training and resilience in both models. Smaller particle size fractions elevated TNF-α production in primary macrophages and enhanced Dectin-1 receptor activation in reporter cell lines compared to larger particles. Responses were arabinoxylan source specific as only the rice-derived arabinoxylans showed these immune-supportive effects. This particle size-dependent induction of trained immunity was confirmed in the established co-culture model. These findings demonstrate the influence of particle size on the immunomodulatory potential of arabinoxylans, provide further insight into the structure-activity relationship, and offer new opportunities to optimize the immune-enhancing effects of these dietary fibers.
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Affiliation(s)
- Bart G.J. Moerings
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, the Netherlands
| | - Suzanne Abbring
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, the Netherlands
| | - Monic M.M. Tomassen
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, the Netherlands
| | - Henk A. Schols
- Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, the Netherlands
| | - Renger F. Witkamp
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Klaske van Norren
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, the Netherlands
| | - Coen Govers
- Cell Biology and Immunology Group, Wageningen University & Research, Wageningen, the Netherlands
| | | | - Jurriaan J. Mes
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, the Netherlands
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Lin L, Zhang K, Xiong Q, Zhang J, Cai B, Huang Z, Yang B, Wei B, Chen J, Niu Q. Gut microbiota in pre-clinical rheumatoid arthritis: From pathogenesis to preventing progression. J Autoimmun 2023; 141:103001. [PMID: 36931952 DOI: 10.1016/j.jaut.2023.103001] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 12/30/2022] [Accepted: 01/31/2023] [Indexed: 03/17/2023]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by progressive polyarthritis that leads to cartilage and bone damage. Pre-clinical RA is a prolonged state before clinical arthritis and RA develop, in which autoantibodies (antibodies against citrullinated proteins, rheumatoid factors) can be present due to the breakdown of immunologic self-tolerance. As early treatment initiation before the onset of polyarthritis may achieve sustained remission, optimize clinical outcomes, and even prevent RA progression, the pre-clinical RA stage is showing the prospect to be the window of opportunity for RA treatment. Growing evidence has shown the role of the gut microbiota in inducing systemic inflammation and polyarthritis via multiple mechanisms, which may involve molecular mimicry, impaired intestinal barrier function, gut microbiota-derived metabolites mediated immune regulation, modulation of the gut microbiota's effect on immune cells, intestinal epithelial cells autophagy, and the interaction between the microbiome and human leukocyte antigen alleles as well as microRNAs. Since gut microbiota alterations in pre-clinical RA have been reported, potential therapies for modifying the gut microbiota in pre-clinical RA, including natural products, antibiotic therapy, fecal microbiota transplantation, probiotics, microRNAs therapy, vitamin D supplementation, autophagy inducer-based treatment, prebiotics, and diet, holds great promise for the successful treatment and even prevention of RA via altering ongoing inflammation. In this review, we summarized current studies that include pathogenesis of gut microbiota in RA progression and promising therapeutic strategies to provide novel ideas for the management of pre-clinical RA and possibly preventing arthritis progression.
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Affiliation(s)
- Liyan Lin
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Keyi Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Qiao Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Infection Control, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Junlong Zhang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Bei Cai
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Zhuochun Huang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Yang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Wei
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jie Chen
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.
| | - Qian Niu
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China.
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9
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Ying ZH, Mao CL, Xie W, Yu CH. Postbiotics in rheumatoid arthritis: emerging mechanisms and intervention perspectives. Front Microbiol 2023; 14:1290015. [PMID: 38029106 PMCID: PMC10662086 DOI: 10.3389/fmicb.2023.1290015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Rheumatoid arthritis (RA) is a prevalent chronic autoimmune disease that affects individuals of all age groups. Recently, the association between RA and the gut microbiome has led to the investigation of postbiotics as potential therapeutic strategies. Postbiotics refer to inactivated microbial cells, cellular components, or their metabolites that are specifically intended for the microbiota. Postbiotics not only profoundly influence the occurrence and development of RA, but they also mediate various inflammatory pathways, immune processes, and bone metabolism. Although they offer a variety of mechanisms and may even be superior to more conventional "biotics" such as probiotics and prebiotics, research on their efficacy and clinical significance in RA with disruptions to the intestinal microbiota remains limited. In this review, we provide an overview of the concept of postbiotics and summarize the current knowledge regarding postbiotics and their potential use in RA therapy. Postbiotics show potential as a viable adjunctive therapy option for RA.
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Affiliation(s)
- Zhen-Hua Ying
- Zhejiang Key Laboratory of Arthritis Diagnosis and Research, Zhejiang Provincial People’s Hospital, Hangzhou Medical College, Hangzhou, China
| | - Cheng-Liang Mao
- Zhejiang Key Laboratory of Arthritis Diagnosis and Research, Zhejiang Provincial People’s Hospital, Hangzhou Medical College, Hangzhou, China
- Zhejiang University of Technology, Hangzhou, China
| | - Wei Xie
- Key Laboratory of Experimental Animal and Safety Evaluation, Hangzhou Medical College, Hangzhou, China
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China
| | - Chen-Huan Yu
- Institute of Cancer and Basic Medicine, Chinese Academy of Sciences, Hangzhou, China
- Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
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10
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Cheong KL, Yu B, Teng B, Veeraperumal S, Xu B, Zhong S, Tan K. Post-COVID-19 syndrome management: Utilizing the potential of dietary polysaccharides. Biomed Pharmacother 2023; 166:115320. [PMID: 37595427 DOI: 10.1016/j.biopha.2023.115320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/29/2023] [Accepted: 08/10/2023] [Indexed: 08/20/2023] Open
Abstract
The COVID-19 pandemic has caused significant global impact, resulting in long-term health effects for many individuals. As more patients recover, there is a growing need to identify effective management strategies for ongoing health concerns, such as post-COVID-19 syndrome, characterized by persistent symptoms or complications beyond several weeks or months from the onset of symptoms. In this review, we explore the potential of dietary polysaccharides as a promising approach to managing post-COVID-19 syndrome. We summarize the immunomodulatory, antioxidant, antiviral, and prebiotic activities of dietary polysaccharides for the management of post-COVID-19 syndrome. Furthermore, the review investigates the role of polysaccharides in enhancing immune response, regulating immune function, improving oxidative stress, inhibiting virus binding to ACE2, balancing gut microbiota, and increasing functional metabolites. These properties of dietary polysaccharides may help alleviate COVID-19 symptoms, providing a promising avenue for effective treatment strategies.
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Affiliation(s)
- Kit-Leong Cheong
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
| | - Biao Yu
- Department of Biology, College of Science, Shantou University, Shantou 515063, Guangdong, China
| | - Bo Teng
- Department of Biology, College of Science, Shantou University, Shantou 515063, Guangdong, China
| | - Suresh Veeraperumal
- Department of Biology, College of Science, Shantou University, Shantou 515063, Guangdong, China
| | - Baojun Xu
- Programme of Food Science and Technology, Department of Life Sciences, BNU-HKBU United International College, Zhuhai, China
| | - Saiyi Zhong
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
| | - Karsoon Tan
- Guangxi Key Laboratory of Beibu Gulf Biodiversity Conservation, Beibu Gulf University, Qinzhou 535011, Guangxi, China.
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11
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Hu J, Ni J, Zheng J, Guo Y, Yang Y, Ye C, Sun X, Xia H, Liu Y, Liu H. Tripterygium hypoglaucum extract ameliorates adjuvant-induced arthritis in mice through the gut microbiota. Chin J Nat Med 2023; 21:730-744. [PMID: 37879792 DOI: 10.1016/s1875-5364(23)60466-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Indexed: 10/27/2023]
Abstract
Traditionally, Tripterygium hypoglaucum (Levl.) Hutch (THH) are widely used in Chinese folk to treat rheumatoid arthritis (RA). This study aimed to investigate whether the anti-RA effect of THH is related with the gut microbiota. The main components of prepared THH extract were identified by HPLC-MS. C57BL/6 mice with adjuvant-induced arthritis (AIA) were treated with THH extract by gavage for one month. THH extract significantly alleviated swollen ankle, joint cavity exudation, and articular cartilage destruction in AIA mice. The mRNA and protein levels of inflammatory mediators in muscles and plasma indicated that THH extract attenuated inflammatory responses in the joint by blocking TLR4/MyD88/MAPK signaling pathways. THH extract remarkably restored the dysbiosis of the gut microbiota in AIA mice, featuring the increases of Bifidobacterium, Akkermansia, and Lactobacillus and the decreases of Butyricimonas, Parabacteroides, and Anaeroplasma. Furthermore, the altered bacteria were closely correlated with physiological indices and drove metabolic changes of the intestinal microbiota. In addition, antibiotic-induced pseudo germ-free mice were employed to verify the role of the intestinal flora. Strikingly, THH treatment failed to ameliorate the arthritis symptoms and signaling pathways in pseudo germ-free mice, which validates the indispensable role of the intestinal flora. For the first time, we demonstrated that THH extract protects joint inflammation by manipulating the intestinal flora and regulating the TLR4/MyD88/MAPK signaling pathway. Therefore, THH extract may serve as a microbial modulator to recover RA in clincial practice.ver RA in clincial practice.
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Affiliation(s)
- Jianghui Hu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Jimin Ni
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Junping Zheng
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Yanlei Guo
- Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China
| | - Yong Yang
- Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China
| | - Cheng Ye
- Wuhan Customs Technology Center, Wuhan 430050, China
| | - Xiongjie Sun
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Hui Xia
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Yanju Liu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China.
| | - Hongtao Liu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan 430065, China; Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China.
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12
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Yoshida M, Funasaka Y, Saeki H, Yamamoto M, Kanda N. Dietary Fiber Inulin Improves Murine Imiquimod-Induced Psoriasis-like Dermatitis. Int J Mol Sci 2023; 24:14197. [PMID: 37762500 PMCID: PMC10531541 DOI: 10.3390/ijms241814197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/15/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Psoriasis is a chronic skin disease with interleukin (IL)-17-dominated inflammation and hyperproliferation of epidermis. Dietary fiber is fermented by the gut microbiome into short-chain fatty acids (SCFAs) that manifest anti-inflammatory effects. We examined if feeding with an inulin-enriched high-fiber diet (HFD) might improve topical imiquimod-induced psoriasis-like dermatitis in mice. HFD reduced thickening and total severity scores of imiquimod-induced dermatitis and reduced epidermal thickness, inflammatory infiltrates, including Ly6G+ neutrophils, and epidermal Ki67+ proliferating cells. HFD reduced mRNA levels of IL-17A, IL-17F, IL-22, IL-1β, tumor necrosis factor (TNF)-α, CXCL1, CXCL2, and keratin 16 and increased those of transforming growth factor (TGF)-β1 and cyclin-dependent kinase inhibitor 1A in imiquimod-induced dermatitis. In 16S rRNA sequencing of the gut microbiome, imiquimod increased relative abundance of phylum Firmicutes, while HFD increased that of phylum Bacteroidota and genus Bacteroides. HFD increased serum and fecal concentrations of SCFA propionate. Oral propionate reduced inflammatory infiltrates and epidermal Ki67+ cells and reduced mRNA levels of IL-17A, IL-17F, IL-17C, IL-22, IL-1β, IL-6, TNF-α, CXCL1, CCL20 and increased those of TGF-β1and IL-10 in imiquimod-indued dermatitis. Dietary inulin supplementation improves imiquimod-induced psoriasis-like dermatitis partially via propionate, and may be a promising adjunctive therapy for psoriasis.
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Affiliation(s)
- Mai Yoshida
- Department of Dermatology, Nippon Medical School, Bunkyo City 113-8602, Tokyo, Japan; (M.Y.); (Y.F.); (H.S.)
| | - Yoko Funasaka
- Department of Dermatology, Nippon Medical School, Bunkyo City 113-8602, Tokyo, Japan; (M.Y.); (Y.F.); (H.S.)
| | - Hidehisa Saeki
- Department of Dermatology, Nippon Medical School, Bunkyo City 113-8602, Tokyo, Japan; (M.Y.); (Y.F.); (H.S.)
| | - Masami Yamamoto
- Department of Applied Science, School of Veterinary Nursing and Technology, Nippon Veterinary and Life Science University, Musashino 180-8602, Tokyo, Japan;
| | - Naoko Kanda
- Department of Dermatology, Nippon Medical School Chiba Hokusoh Hospital, Inzai 270-1694, Chiba, Japan
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13
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Rasouli-Saravani A, Jahankhani K, Moradi S, Gorgani M, Shafaghat Z, Mirsanei Z, Mehmandar A, Mirzaei R. Role of microbiota short-chain fatty acid chains in the pathogenesis of autoimmune diseases. Biomed Pharmacother 2023; 162:114620. [PMID: 37004324 DOI: 10.1016/j.biopha.2023.114620] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
There is emerging evidence that microbiota and its metabolites play an important role in helath and diseases. In this regard, gut microbiota has been found as a crucial component that influences immune responses as well as immune-related disorders such as autoimmune diseases. Gut bacterial dysbiosis has been shown to cause disease and altered microbiota metabolite synthesis, leading to immunological and metabolic dysregulation. Of note, microbiota in the gut produce short-chain fatty acids (SCFAs) such as acetate, butyrate, and propionate, and remodeling in these microbiota metabolites has been linked to the pathophysiology of a number of autoimmune disorders such as type 1 diabetes, multiple sclerosis, inflammatory bowel disease, rheumatoid arthritis, celiac disease, and systemic lupus erythematosus. In this review, we will address the most recent findings from the most noteworthy studies investigating the impact of microbiota SCFAs on various autoimmune diseases.
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Affiliation(s)
- Ashkan Rasouli-Saravani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kasra Jahankhani
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shadi Moradi
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Melika Gorgani
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Shafaghat
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Mirsanei
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirreza Mehmandar
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rasoul Mirzaei
- Venom and Biotherapeutics Molecules Lab, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
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14
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Keyßer G, Michalsen A, Reuß-Borst M, Frohne I, Gläß M, Pfeil A, Schultz O, Seifert O, Sander O. [Recommendations of the committee on complementary medicine and nutrition in ayurvedic medicine, homeopathy, nutrition and Mediterranean diet]. Z Rheumatol 2023:10.1007/s00393-023-01356-z. [PMID: 37212842 PMCID: PMC10382356 DOI: 10.1007/s00393-023-01356-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2023] [Indexed: 05/23/2023]
Abstract
Methods of complementary and alternative medicine (CAM) are appealing for many patients with rheumatic diseases. The scientific data are currently characterized by a large number of publications that stand in contrast to a remarkable shortage of valid clinical studies. The applications of CAM procedures are situated in an area of conflict between efforts for an evidence-based medicine and high-quality therapeutic concepts on the one hand and ill-founded or even dubious offers on the other hand. In 2021 the German Society of Rheumatology (DGRh) launched a committee for CAM and nutrition, which aims to collect and to evaluate the current evidence for CAM applications and nutritional medical interventions in rheumatology, in order to elaborate recommendations for the clinical practice. The current article presents recommendations for nutritional interventions in the rheumatological routine for four areas: nutrition, Mediterranean diet, ayurvedic medicine and homeopathy.
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Affiliation(s)
- Gernot Keyßer
- Klinik für Innere Medizin II, Universitätsklinikum Halle (Saale), Ernst-Grube-Str. 40, 06120, Halle, Deutschland.
| | - Andreas Michalsen
- Immanuel Krankenhaus Berlin, Königstr. 63, 14109, Berlin-Wannsee, Deutschland
| | - Monika Reuß-Borst
- Facharztpraxis für Innere Medizin, Frankenstr. 36, 97708, Bad Bocklet, Deutschland
| | - Inna Frohne
- Privatpraxis für Rheumatologie, Frankenstr. 238, 45134, Essen, Deutschland
| | - Mandy Gläß
- Helios Fachklinik Vogelsang-Gommern, Sophie-von-Boetticher-Str. 1, 39245, Vogelsang-Gommern, Deutschland
| | - Alexander Pfeil
- Klinik für Innere Medizin III, Universitätsklinikum Jena, Am Klinikum 1, 07747, Jena, Deutschland
| | - Olaf Schultz
- Rheumazentrum, ACURA Kliniken Baden-Baden, Rotenbachtalstr. 5, 76530, Baden-Baden, Deutschland
| | - Olga Seifert
- Klinik und Poliklinik für Rheumatologie, Universitätsklinikum Leipzig, Liebigstr. 20, Haus 4, 04103, Leipzig, Deutschland
| | - Oliver Sander
- Klinik für Rheumatologie, Universitätsklinikum Düsseldorf, Moorenstr. 5, 40225, Düsseldorf, Deutschland
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15
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Heidt C, Kämmerer U, Fobker M, Rüffer A, Marquardt T, Reuss-Borst M. Assessment of Intestinal Permeability and Inflammation Bio-Markers in Patients with Rheumatoid Arthritis. Nutrients 2023; 15:nu15102386. [PMID: 37242269 DOI: 10.3390/nu15102386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/27/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Increased intestinal permeability and inflammation, both fueled by dysbiosis, appear to contribute to rheumatoid arthritis (RA) pathogenesis. This single-center pilot study aimed to investigate zonulin, a marker of intestinal permeability, and calprotectin, a marker of intestinal inflammation, measured in serum and fecal samples of RA patients using commercially available kits. We also analyzed plasma lipopolysaccharide (LPS) levels, a marker of intestinal permeability and inflammation. Furthermore, univariate, and multivariate regression analyses were carried out to determine whether or not there were associations of zonulin and calprotectin with LPS, BMI, gender, age, RA-specific parameters, fiber intake, and short-chain fatty acids in the gut. Serum zonulin levels were more likely to be abnormal with a longer disease duration and fecal zonulin levels were inversely associated with age. A strong association between fecal and serum calprotectin and between fecal calprotectin and LPS were found in males, but not in females, independent of other biomarkers, suggesting that fecal calprotectin may be a more specific biomarker than serum calprotectin is of intestinal inflammation in RA. Since this was a proof-of-principle study without a healthy control group, further research is needed to validate fecal and serum zonulin as valid biomarkers of RA in comparison with other promising biomarkers.
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Affiliation(s)
- Christina Heidt
- University of Muenster, D-48149 Muenster, Germany
- Department of General Pediatrics, Metabolic Diseases, University of Muenster, Albert-Schweitzer-Campus, D-48149 Muenster, Germany
| | - Ulrike Kämmerer
- Department of Obstetrics and Gynaecology, University Hospital of Wuerzburg, D-97080 Wuerzburg, Germany
| | - Manfred Fobker
- Centre of Laboratory Medicine, University Hospital Muenster, D-48149 Muenster, Germany
| | | | - Thorsten Marquardt
- Department of General Pediatrics, Metabolic Diseases, University of Muenster, Albert-Schweitzer-Campus, D-48149 Muenster, Germany
| | - Monika Reuss-Borst
- Hescuro Center for Rehabilitation and Prevention Bad Bocklet, D-97708 Bad Bocklet, Germany
- Department of Nephrology and Rheumatology, Georg-August University of Goettingen, D-37075 Goettingen, Germany
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16
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Kondo N, Kanai T, Okada M. Rheumatoid Arthritis and Reactive Oxygen Species: A Review. Curr Issues Mol Biol 2023; 45:3000-3015. [PMID: 37185721 PMCID: PMC10137217 DOI: 10.3390/cimb45040197] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic inflammatory disease that causes progressive joint damage and can lead to lifelong disability. Numerous studies support the hypothesis that reactive oxygen species (ROS) are associated with RA pathogenesis. Recent advances have clarified the anti-inflammatory effect of antioxidants and their roles in RA alleviation. In addition, several important signaling pathway components, such as nuclear factor kappa B, activator-protein-1, nuclear factor (erythroid-derived 2)-like 2/kelch-like associated protein, signal transducer and activator of transcription 3, and mitogen-activated protein kinases, including c-Jun N-terminal kinase, have been identified to be associated with RA. In this paper, we outline the ROS generation process and relevant oxidative markers, thereby providing evidence of the association between oxidative stress and RA pathogenesis. Furthermore, we describe various therapeutic targets in several prominent signaling pathways for improving RA disease activity and its hyper oxidative state. Finally, we reviewed natural foods, phytochemicals, chemical compounds with antioxidant properties and the association of microbiota with RA pathogenesis.
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Affiliation(s)
- Naoki Kondo
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Tomotake Kanai
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Masayasu Okada
- Department of Neurosurgery, Brain Research Institute, Niigata University, Niigata 951-8510, Japan
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17
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Kim CH. Complex regulatory effects of gut microbial short-chain fatty acids on immune tolerance and autoimmunity. Cell Mol Immunol 2023; 20:341-350. [PMID: 36854801 PMCID: PMC10066346 DOI: 10.1038/s41423-023-00987-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 02/10/2023] [Indexed: 03/02/2023] Open
Abstract
Immune tolerance deletes or suppresses autoreactive lymphocytes and is established at multiple levels during the development, activation and effector phases of T and B cells. These mechanisms are cell-intrinsically programmed and critical in preventing autoimmune diseases. We have witnessed the existence of another type of immune tolerance mechanism that is shaped by lifestyle choices, such as diet, microbiome and microbial metabolites. Short-chain fatty acids (SCFAs) are the most abundant microbial metabolites in the colonic lumen and are mainly produced by the microbial fermentation of prebiotics, such as dietary fiber. This review focuses on the preventive and immunomodulatory effects of SCFAs on autoimmunity. The tissue- and disease-specific effects of dietary fiber, SCFAs and SCFA-producing microbes on major types of autoimmune diseases, including type I diabetes, multiple sclerosis, rheumatoid arthritis and lupus, are discussed. Additionally, their key regulatory mechanisms for lymphocyte development, tissue barrier function, host metabolism, immunity, autoantibody production, and inflammatory effector and regulatory lymphocytes are discussed. The shared and differential effects of SCFAs on different types and stages of autoimmune diseases are discussed.
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Affiliation(s)
- Chang H Kim
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, MI, 48109, USA.
- Mary H. Weiser Food Allergy Center, Center for Gastrointestinal Research, and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, MI, 48109, USA.
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18
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Berding K, Bastiaanssen TFS, Moloney GM, Boscaini S, Strain CR, Anesi A, Long-Smith C, Mattivi F, Stanton C, Clarke G, Dinan TG, Cryan JF. Feed your microbes to deal with stress: a psychobiotic diet impacts microbial stability and perceived stress in a healthy adult population. Mol Psychiatry 2023; 28:601-610. [PMID: 36289300 PMCID: PMC9908549 DOI: 10.1038/s41380-022-01817-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 09/18/2022] [Accepted: 09/23/2022] [Indexed: 11/09/2022]
Abstract
The impact of diet on the microbiota composition and the role of diet in supporting optimal mental health have received much attention in the last decade. However, whether whole dietary approaches can exert psychobiotic effects is largely understudied. Thus, we investigated the influence of a psychobiotic diet (high in prebiotic and fermented foods) on the microbial profile and function as well as on mental health outcomes in a healthy human population. Forty-five adults were randomized into either a psychobiotic (n = 24) or control (n = 21) diet for 4 weeks. Fecal microbiota composition and function was characterized using shotgun sequencing. Stress, overall health and diet were assessed using validated questionnaires. Metabolic profiling of plasma, urine and fecal samples was performed. Intervention with a psychobiotic diet resulted in reductions of perceived stress (32% in diet vs. 17% in control group), but not between groups. Similarly, biological marker of stress were not affected. Additionally, higher adherence to the diet resulted in stronger decreases in perceived stress. While the dietary intervention elicited only subtle changes in microbial composition and function, significant changes in the level of 40 specific fecal lipids and urinary tryptophan metabolites were observed. Lastly, microbial volatility was linked to greater changes in perceived stress scores in those on the psychobiotic diet. These results highlight that dietary approaches can be used to reduce perceived stress in a human cohort. Using microbiota-targeted diets to positively modulate gut-brain communication holds possibilities for the reduction of stress and stress-associated disorders, but additional research is warranted to investigate underlying mechanisms, including the role of the microbiota.
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Affiliation(s)
| | | | - Gerard M Moloney
- APC Microbiome Ireland, Cork, Ireland.,Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
| | | | - Conall R Strain
- APC Microbiome Ireland, Cork, Ireland.,Teagsac Food Research Centre, Moorepark, Fermoy, County Cork, Ireland
| | - Andrea Anesi
- Unit of Metabolomics, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy
| | | | - Fulvio Mattivi
- Unit of Metabolomics, Research and Innovation Centre, Fondazione Edmund Mach, San Michele all'Adige, Italy.,Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Catherine Stanton
- APC Microbiome Ireland, Cork, Ireland.,Teagsac Food Research Centre, Moorepark, Fermoy, County Cork, Ireland.,Department of Psychiatry and Neurobehavioural Sciences, University College Cork, Cork, Ireland
| | - Gerard Clarke
- APC Microbiome Ireland, Cork, Ireland.,Department of Psychiatry and Neurobehavioural Sciences, University College Cork, Cork, Ireland
| | - Timothy G Dinan
- APC Microbiome Ireland, Cork, Ireland.,Department of Psychiatry and Neurobehavioural Sciences, University College Cork, Cork, Ireland
| | - John F Cryan
- APC Microbiome Ireland, Cork, Ireland. .,Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland.
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19
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Shon HJ, Kim YM, Kim KS, Choi JO, Cho SH, An S, Park SH, Cho YJ, Park JH, Seo SU, Cho JY, Kim WU, Kim D. Protective role of colitis in inflammatory arthritis via propionate-producing Bacteroides in the gut. Front Immunol 2023; 14:1064900. [PMID: 36793721 PMCID: PMC9923108 DOI: 10.3389/fimmu.2023.1064900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 01/16/2023] [Indexed: 01/31/2023] Open
Abstract
Objectives To investigate whether and how inflammatory disease in the intestine influences the development of arthritis, considering that organ-to-organ communication is associated with many physiological and pathological events. Methods First, mice were given drinking water containing dextran sodium sulfate (DSS) and then subjected to inflammatory arthritis. We compared the phenotypic symptoms between the cohoused and separately-housed mice. Next, donor mice were divided into DSS-treated and untreated groups and then cohoused with recipient mice. Arthritis was then induced in the recipients. The fecal microbiome was analyzed by 16S rRNA amplicon sequencing. We obtained type strains of the candidate bacteria and generated propionate-deficient mutant bacteria. Short-chain fatty acids were measured in the bacterial culture supernatant, serum, feces, and cecum contents using gas chromatography-mass spectrometry. Mice fed with candidate and mutant bacteria were subjected to inflammatory arthritis. Results Contrary to expectations, the mice treated with DSS exhibited fewer symptoms of inflammatory arthritis. Intriguingly, the gut microbiota contributes, at least in part, to the improvement of colitis-mediated arthritis. Among the altered microorganisms, Bacteroides vulgatus and its higher taxonomic ranks were enriched in the DSS-treated mice. B. vulgatus, B. caccae, and B. thetaiotaomicron exerted anti-arthritic effects. Propionate production deficiency further prevented the protective effect of B. thetaiotaomicron on arthritis. Conclusions We suggest a novel relationship between the gut and joints and an important role of the gut microbiota as communicators. Moreover, the propionate-producing Bacteroides species examined in this study may be a potential candidate for developing effective treatments for inflammatory arthritis.
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Affiliation(s)
- Hoh-Jeong Shon
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yu-Mi Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kyeong Seog Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jin-Ouk Choi
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sang-Hyun Cho
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sujin An
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Se-Hyeon Park
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yong-Joon Cho
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea.,Institute for Basic Science, Seoul, Republic of Korea.,Department of Molecular Bioscience, College of Biomedical Science, Kangwon National University, Chuncheon, Republic of Korea
| | - Joo-Hong Park
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Sang-Uk Seo
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Joo-Youn Cho
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Wan-Uk Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Rheumatology, Department of Internal Medicine, the Catholic University of Korea, Seoul, Republic of Korea
| | - Donghyun Kim
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea.,Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul, Republic of Korea
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20
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Abdul Latif FA, Wan Ghazali WS, Mohamad SM, Lee LK. High fiber multigrain supplementation improved disease activity score, circulating inflammatory and oxidative stress biomarkers in rheumatoid arthritis (RA) patients: A randomized human clinical trial. J Funct Foods 2023. [DOI: 10.1016/j.jff.2022.105392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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21
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Ferenc K, Jarmakiewicz-Czaja S, Filip R. Components of the Fiber Diet in the Prevention and Treatment of IBD-An Update. Nutrients 2022; 15:nu15010162. [PMID: 36615818 PMCID: PMC9823509 DOI: 10.3390/nu15010162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 01/01/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a group of diseases with a chronic course, characterized by periods of exacerbation and remission. One of the elements that could potentially predispose to IBD is, among others, a low-fiber diet. Dietary fiber has many functions in the human body. One of the most important is its influence on the composition of the intestinal microflora. Intestinal dysbiosis, as well as chronic inflammation that occurs, are hallmarks of IBD. Individual components of dietary fiber, such as β-glucan, pectin, starch, inulin, fructooligosaccharides, or hemicellulose, can significantly affect preventive effects in IBD by modulating the composition of the intestinal microbiota or sealing the intestinal barrier, among other things. The main objective of the review is to provide information on the effects of individual fiber components of the diet on the risk of IBD, including, among other things, altering the composition of the intestinal microbiota.
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Affiliation(s)
- Katarzyna Ferenc
- Institute of Medicine, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
| | | | - Rafał Filip
- Institute of Medicine, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
- Department of Gastroenterology with IBD Unit, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
- Correspondence:
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22
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Heidt C, Kämmerer U, Marquardt T, Reuss-Borst M. Nutrition Patterns and Their Gender Differences among Rheumatoid Arthritis Patients: A Descriptive Study. Nutrients 2022; 15:nu15010095. [PMID: 36615753 PMCID: PMC9824000 DOI: 10.3390/nu15010095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/08/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Dietary factors probably play a role in the pathogenesis and clinical course of rheumatoid arthritis (RA). There is a paucity of specific dietary guidelines for RA patients and little information on their implementation in daily life. Therefore, this study aimed to determine the nutritional status and provision of nutritional education among outpatients with RA. Here, 61 patients were included with a sex ratio of 2.03 (f/m). Based on BMI, 22% of women were overweight and 32% obese, whereas 50% of men were overweight and 30% obese. Fasting blood and a 3-day estimated dietary record were collected. Additionally, patients were asked whether they had already received information about a specific diet as part of their disease treatment plan. Elevated total cholesterol levels were found in 76% of women and in 60% of men caused by increased non-HDL-C levels. The dietary intake assessment showed a lower self-reported intake of energy, polyunsaturated fat, carbohydrates, fiber, and several micronutrients than recommended. Regarding healthy eating, all patients reported familiarity with dietary recommendations, but found it difficult to implement the recommendations into their diets. These findings suggested that RA patients need more specific recommendations and education in clinical practice to improve the quality of their diet.
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Affiliation(s)
- Christina Heidt
- University of Muenster, D-48149 Muenster, Germany
- Correspondence:
| | - Ulrike Kämmerer
- Department of Obstetrics and Gynaecology, University Hospital of Wuerzburg, D-97080 Wuerzburg, Germany
| | - Thorsten Marquardt
- Department of General Pediatrics, Metabolic Diseases, University of Muenster, Albert-Schweitzer-Campus, D-48149 Muenster, Germany
| | - Monika Reuss-Borst
- Center for Rehabilitation and Prevention Bad Bocklet, D-97708 Bad Bocklet, Germany
- Department of Nephrology and Rheumatology, Georg-August University of Goettingen, D-37075 Goettingen, Germany
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23
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Zhang F, Fan D, Huang JL, Zuo T. The gut microbiome: linking dietary fiber to inflammatory diseases. MEDICINE IN MICROECOLOGY 2022. [DOI: 10.1016/j.medmic.2022.100070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
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24
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High fat diet-induced hyperlipidemia and tissue steatosis in rabbits through modulating ileal microbiota. Appl Microbiol Biotechnol 2022; 106:7187-7207. [PMID: 36173452 DOI: 10.1007/s00253-022-12203-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 11/02/2022]
Abstract
High-fat diet (HFD) and overnutrition are important starting factors that may alter intestinal microbiota, lipid metabolism, and systemic inflammation. However, there were few studies on how intestinal microbiota contributes to tissue steatosis and hyperlipidemia. Here, we investigated the effect of lipid metabolism disorder-induced inflammation via toll-like receptor 2 (TLR-2), toll-like receptor 4 (TLR-4), and nuclear factor-κB (NF-κB) pathways at the intestinal level in response to HFD. Twenty 80-day-old male New Zealand White rabbits were randomly divided into the normal diet group (NDG) and the high-fat diet group (HDG) for 80 days. Growth performance, blood biochemical parameters, lipid metabolism, inflammation, degree of tissue steatosis, and intestinal microbial composition were measured. HFD increased the relative abundance of Christensenellaceae_R_7_group, Marvinbryantia, Akkermansia etc., with a reduced relative abundance of Enterorhabdus and Lactobacillus. Moreover, HFD caused steatosis in the liver and abdominal fat and abnormal expression of some genes related to lipid metabolism and tight junction proteins. The TLR-2, TLR-4, NF-κB, TNF-α, and IL-6 were confirmed by overexpression with downregulation of IL-10. Serum biochemical indices (TG, TCHO, LDL-C, and HDL-C) were also increased, indicating evidence for the development of the hyperlipidemia model. Correlation analysis showed that this microbial dysbiosis was correlated with lipid metabolism and inflammation, which were associated with the intestinal tract's barrier function and hyperlipidemia. These results provide an insight into the relationship between HFD, the intestinal microbiota, intestinal barrier, tissue inflammation, lipid metabolism, and hyperlipidemia. KEY POINTS: • High-fat diet leads to ileal microbiota disorders • Ileal microbiota mediates local and systemic lipid metabolism disorders and inflammation • There is a specific link between ileal microbiota, histopathology, and hyperlipidemia.
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25
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Lanspa M, Kothe B, Pereira MR, Kesselman MM, Petrosky SN. A Systematic Review of Nutritional Interventions on Key Cytokine Pathways in Rheumatoid Arthritis and Its Implications for Comorbid Depression: Is a More Comprehensive Approach Required? Cureus 2022; 14:e28031. [PMID: 35990558 PMCID: PMC9380898 DOI: 10.7759/cureus.28031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 08/15/2022] [Indexed: 11/23/2022] Open
Abstract
Rheumatoid arthritis (RA) is associated with both local and systemic inflammatory processes via the aberrant regulation of inflammatory pathways and imbalances in several mediators of inflammation. Cytokines, tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1B, IL-6, IL-17, IL-18, rheumatoid factor, anti-cyclic citrullinated protein, C-reactive protein (CRP), and erythrocyte sedimentation rate (ESR) have been used in diagnosing and tracking the progression of RA. The primary objective of this review is to identify and summarize which specific dietary patterns and nutritional interventions go beyond symptom management to improve the response to known inflammatory cytokines and possibly decrease markers of inflammation in the RA disease process. Analysis of the 41 identified publications demonstrated that certain dietary patterns, the consumption of specific macronutrients, and supplementation with herbals or other compounds have shown some effect on improving cytokine profiles in patients with RA. This review illustrates the importance of proper patient education on the anti-inflammatory and potential protective impacts substantial dietary change may have on the disease progression and symptoms of RA. Identifying nutritional interventions and dietary patterns that improve the inflammatory cytokine profile, and therefore disease progression and inflammatory comorbidities of RA will help further focus research on treatments that may provide a better overall improvement in quality of life for RA patients by focusing on the root cause inflammatory processes that affect not only joint destruction but also depression-rated disability. This review further notes that while depression is commonly found in patients who suffer from chronic illnesses, it is especially prevalent in the RA population. The pathology of depression is associated with systemic inflammation, which is a known outcome of RA and may explain this strong association. Cytokines IL-6, IL-1, and TNF-α, known mediators involved in the progression of RA, are strongly associated with stress-related disorders including depression and anxiety. The presence of these cytokines is also correlated with the severity and duration of depression. This may signal a potential use of cytokines in diagnosing and following the progression of depression not only in patients with RA but also others. Given the statistics presented on depression and suicide in patients with RA, and the shared inflammatory pathway between the two diseases, depression and suicide screening scales should be included along with analysis of inflammatory markers and disease activity scores (DAS) in any future RA study.
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Attur M, Scher JU, Abramson SB, Attur M. Role of Intestinal Dysbiosis and Nutrition in Rheumatoid Arthritis. Cells 2022; 11:2436. [PMID: 35954278 PMCID: PMC9368368 DOI: 10.3390/cells11152436] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 12/11/2022] Open
Abstract
Rheumatoid arthritis is a chronic systemic immune-mediated disease caused by genetic and environmental factors. It is often characterized by the generation of autoantibodies that lead to synovial inflammation and eventual multi-joint destruction. A growing number of studies have shown significant differences in the gut microbiota composition of rheumatoid arthritis (RA) patients compared to healthy controls. Environmental factors, and changes in diet and nutrition are thought to play a role in developing this dysbiosis. This review aims to summarize the current knowledge of intestinal dysbiosis, the role of nutritional factors, and its implications in the pathogenesis of rheumatoid arthritis and autoimmunity. The future direction focuses on developing microbiome manipulation therapeutics for RA disease management.
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Affiliation(s)
- Malavikalakshmi Attur
- Drexel University College of Medicine, Drexel University, Philadelphia, PA 19129, USA
| | - Jose U Scher
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, NYU Langone Health, New York, NY 10003, USA
| | - Steven B. Abramson
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, NYU Langone Health, New York, NY 10003, USA
| | - Mukundan Attur
- Division of Rheumatology, Department of Medicine, NYU Grossman School of Medicine, NYU Langone Health, New York, NY 10003, USA
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Schiweck C, Edwin Thanarajah S, Aichholzer M, Matura S, Reif A, Vrieze E, Weigert A, Visekruna A. Regulation of CD4 + and CD8 + T Cell Biology by Short-Chain Fatty Acids and Its Relevance for Autoimmune Pathology. Int J Mol Sci 2022; 23:8272. [PMID: 35955407 PMCID: PMC9368239 DOI: 10.3390/ijms23158272] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 07/07/2022] [Indexed: 02/01/2023] Open
Abstract
The gut microbiota encodes a broad range of enzymes capable of synthetizing various metabolites, some of which are still uncharacterized. One well-known class of microbiota-derived metabolites are the short-chain fatty acids (SCFAs) such as acetate, propionate, butyrate and valerate. SCFAs have long been considered a mere waste product of bacterial metabolism. Novel results have challenged this long-held dogma, revealing a central role for microbe-derived SCFAs in gut microbiota-host interaction. SCFAs are bacterial signaling molecules that act directly on host T lymphocytes by reprogramming their metabolic activity and epigenetic status. They have an essential biological role in promoting differentiation of (intestinal) regulatory T cells and in production of the anti-inflammatory cytokine interleukin-10 (IL-10). These small molecules can also reach the circulation and modulate immune cell function in remote tissues. In experimental models of autoimmune and inflammatory diseases, such as inflammatory bowel disease, multiple sclerosis or diabetes, a strong therapeutic potential of SCFAs through the modulation of effector T cell function was observed. In this review, we discuss current research activities toward understanding a relevance of microbial SCFA for treating autoimmune and inflammatory pathologies from in vitro to human studies.
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Affiliation(s)
- Carmen Schiweck
- Department for Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt-Goethe University, 60528 Frankfurt, Germany; (S.E.T.); (M.A.); (S.M.); (A.R.)
| | - Sharmili Edwin Thanarajah
- Department for Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt-Goethe University, 60528 Frankfurt, Germany; (S.E.T.); (M.A.); (S.M.); (A.R.)
| | - Mareike Aichholzer
- Department for Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt-Goethe University, 60528 Frankfurt, Germany; (S.E.T.); (M.A.); (S.M.); (A.R.)
| | - Silke Matura
- Department for Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt-Goethe University, 60528 Frankfurt, Germany; (S.E.T.); (M.A.); (S.M.); (A.R.)
| | - Andreas Reif
- Department for Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital Frankfurt-Goethe University, 60528 Frankfurt, Germany; (S.E.T.); (M.A.); (S.M.); (A.R.)
| | - Elske Vrieze
- Department of Psychiatry and Neurosciences, UPC KU Leuven, Campus Gasthuisberg, KU Leuven, 3000 Leuven, Belgium;
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt/Main, 60590 Frankfurt, Germany;
| | - Alexander Visekruna
- Institute for Medical Microbiology and Hygiene, Philipps-University Marburg, 35043 Marburg, Germany;
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28
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Palm CL, Nijholt KT, Bakker BM, Westenbrink BD. Short-Chain Fatty Acids in the Metabolism of Heart Failure – Rethinking the Fat Stigma. Front Cardiovasc Med 2022; 9:915102. [PMID: 35898266 PMCID: PMC9309381 DOI: 10.3389/fcvm.2022.915102] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/23/2022] [Indexed: 12/12/2022] Open
Abstract
Heart failure (HF) remains a disease with immense global health burden. During the development of HF, the myocardium and therefore cardiac metabolism undergoes specific changes, with decreased long-chain fatty acid oxidation and increased anaerobic glycolysis, diminishing the overall energy yield. Based on the dogma that the failing heart is oxygen-deprived and on the fact that carbohydrates are more oxygen-efficient than FA, metabolic HF drugs have so far aimed to stimulate glucose oxidation or inhibit FA oxidation. Unfortunately, these treatments have failed to provide meaningful clinical benefits. We believe it is time to rethink the concept that fat is harmful to the failing heart. In this review we discuss accumulating evidence that short-chain fatty acids (SCFAs) may be an effective fuel for the failing heart. In contrast to long-chain fatty acids, SCFAs are readily taken up and oxidized by the heart and could serve as a nutraceutical treatment strategy. In addition, we discuss how SCFAs activate pathways that increase long chain fatty acid oxidation, which could help increase the overall energy availability. Another potential beneficial effect we discuss lies within the anti-inflammatory effect of SCFAs, which has shown to inhibit cardiac fibrosis – a key pathological process in the development of HF.
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Affiliation(s)
- Constantin L. Palm
- Department of Cardiology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Kirsten T. Nijholt
- Department of Cardiology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - Barbara M. Bakker
- Department of Pediatrics, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - B. Daan Westenbrink
- Department of Cardiology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
- *Correspondence: B. Daan Westenbrink
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29
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Martinez B, Schwerdtfeger LA, Richardson A, Tobet SA, Henry CS. 1H-NMR Profiling of Short-Chain Fatty Acid Content from a Physiologically Accurate Gut-on-a-Chip Device. Anal Chem 2022; 94:9987-9992. [PMID: 35797422 DOI: 10.1021/acs.analchem.1c05146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
It has been shown that short-chain fatty acids (SCFAs) produced by the gut microbiome are of importance to host tissue health; however, measuring such compounds in biological samples is often limited to using hours to days old fecal and blood plasma samples. Organ-on-a-chip models have been created to simplify the complexity but struggle to reproduce the full biology of the gut specifically. We recently reported a tissue-in-a-chip gut model that incorporates gut explanted tissue into a microfluidic device. The system maintains a biologically relevant oxygen gradient and tissue ex vivo for days at a time, but minimal characterization of biological activity was reported. Herein, we use 1H-NMR to analyze the SCFA content of tissue media effluents from gut explants cultured in the recently developed microfluidic organotypic device (MOD). 1H-NMR can identify key SCFAs in the complex samples with minimal sample preparation. Our findings show that maintaining physiologically relevant oxygen conditions, something often missing from many other culture systems, significantly impacts the SCFA profile. Additionally, we noted the changes in SCFAs with culture time and potential variability between SCFA levels in male and female mouse tissue explants cultured in the MOD system based on 1H-NMR spectral profiles.
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Affiliation(s)
- Brandaise Martinez
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
| | - Luke A Schwerdtfeger
- Department of Biomedical Sciences, Colorado State University, Fort Collins, Colorado 80523-1617, United States
| | - Alec Richardson
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States.,School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523-1376, United States
| | - Stuart A Tobet
- Department of Biomedical Sciences, Colorado State University, Fort Collins, Colorado 80523-1617, United States.,School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523-1376, United States
| | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States.,School of Biomedical Engineering, Colorado State University, Fort Collins, Colorado 80523-1376, United States
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30
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Schett G, Rahman P, Ritchlin C, McInnes IB, Elewaut D, Scher JU. Psoriatic arthritis from a mechanistic perspective. Nat Rev Rheumatol 2022; 18:311-325. [PMID: 35513599 DOI: 10.1038/s41584-022-00776-6] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2022] [Indexed: 12/13/2022]
Abstract
Psoriatic arthritis (PsA) is part of a group of closely related clinical phenotypes ('psoriatic disease') that is defined by shared molecular pathogenesis resulting in excessive, prolonged inflammation in the various tissues affected, such as the skin, the entheses or the joints. Psoriatic disease comprises a set of specific drivers that promote an aberrant immune response and the consequent development of chronic disease that necessitates therapeutic intervention. These drivers include genetic, biomechanical, metabolic and microbial factors that facilitate a robust and continuous mobilization, trafficking and homing of immune cells into the target tissues. The role of genetic variants involved in the immune response, the contribution of mechanical factors triggering an exaggerated inflammatory response (mechanoinflammation), the impact of adipose tissue and altered lipid metabolism and the influence of intestinal dysbiosis in the disease process are discussed. Furthermore, the role of key cytokines, such as IL-23, IL-17 and TNF, in orchestrating the various phases of the inflammatory disease process and as therapeutic targets in PsA is reviewed. Finally, the nature and the mechanisms of inflammatory tissue responses inherent to PsA are summarized.
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Affiliation(s)
- Georg Schett
- Department of Medicine 3, Friedrich Alexander University Erlangen-Nuremberg and Universitaets-klinikum Erlangen, Erlangen, Germany. .,Deutsches Zentrum Immuntherapie DZI, Friedrich Alexander University Erlangen-Nuremberg and Universitaets-klinikum Erlangen, Erlangen, Germany.
| | - Proton Rahman
- St. Clare's Mercy Hospital, St. John's, Newfoundland, Canada
| | - Christopher Ritchlin
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center Rochester, Rochester, NY, USA
| | - Iain B McInnes
- College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Dirk Elewaut
- VIB-UGent Center for Inflammation Research and Ghent University Hospital, Ghent, Belgium
| | - Jose U Scher
- Department of Medicine, Division of Rheumatology, NYU Grossman School of Medicine, New York, NY, USA
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31
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Gill PA, Inniss S, Kumagai T, Rahman FZ, Smith AM. The Role of Diet and Gut Microbiota in Regulating Gastrointestinal and Inflammatory Disease. Front Immunol 2022; 13:866059. [PMID: 35450067 PMCID: PMC9016115 DOI: 10.3389/fimmu.2022.866059] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/14/2022] [Indexed: 12/20/2022] Open
Abstract
Diet is an important lifestyle factor that is known to contribute in the development of human disease. It is well established that poor diet plays an active role in exacerbating metabolic diseases, such as obesity, diabetes and hypertension. Our understanding of how the immune system drives chronic inflammation and disease pathogenesis has evolved in recent years. However, the contribution of dietary factors to inflammatory conditions such as inflammatory bowel disease, multiple sclerosis and arthritis remain poorly defined. A western diet has been associated as pro-inflammatory, in contrast to traditional dietary patterns that are associated as being anti-inflammatory. This may be due to direct effects of nutrients on immune cell function. Diet may also affect the composition and function of gut microbiota, which consequently affects immunity. In animal models of inflammatory disease, diet may modulate inflammation in the gastrointestinal tract and in other peripheral sites. Despite limitations of animal models, there is now emerging evidence to show that anti-inflammatory effects of diet may translate to human gastrointestinal and inflammatory diseases. However, appropriately designed, larger clinical studies must be conducted to confirm the therapeutic benefit of dietary therapy.
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Affiliation(s)
- Paul A Gill
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, London, United Kingdom
| | - Saskia Inniss
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, London, United Kingdom
| | - Tomoko Kumagai
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, London, United Kingdom
| | - Farooq Z Rahman
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, London, United Kingdom.,Department of Gastroenterology, University College London Hospitals National Health Service (NHS) Foundation Trust, London, United Kingdom
| | - Andrew M Smith
- Department of Microbial Diseases, UCL Eastman Dental Institute, University College London, London, United Kingdom
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32
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Yao Y, Cai X, Zheng Y, Zhang M, Fei W, Sun D, Zhao M, Ye Y, Zheng C. Short-chain fatty acids regulate B cells differentiation via FFAR2 to alleviate rheumatoid arthritis. Br J Pharmacol 2022; 179:4315-4329. [PMID: 35393660 DOI: 10.1111/bph.15852] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 03/10/2022] [Accepted: 03/28/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND AND PURPOSE Short-chain fatty acids (SCFAs) are metabolites of gut microbes involved in the host's inflammatory response and immunity. The aim of this study was to investigate the role of SCFAs in RA and the possible mechanisms. EXPERIMENTAL APPROACH Gut microbiota diversity in mice was analysed by 16S rDNA sequencing. SCFAs levels were analysed by gas chromatography mass spectrometry. T cells and B cells were analysed by flow cytometry. Bone damage was analysed by micro-CT and x-ray. Histopathological status was analysed by HE staining. The protein in tissues were analysed by immunohistochemistry and PCR. Mice with CD19+ B cells specifically deficient in FFAR2 were used to explore the molecular mechanisms involved. KEY RESULTS Levels of acetate, propionate, butyrate, and valerate were decreased in RA patients, and the first three levels correlated positively with the frequency of Bregs in peripheral blood but not with Tregs. Administration of the three SCFAs prior to the onset of collagen-induced arthritis in mice improved arthritic symptoms, increased the Bregs frequency, and decreased transitional B cells and follicular B cells frequency. However, the preceding phenomena could not be observed in mice with CD19+ B cells deficient in FFAR2. The effects of the three SCFAs in RA were dependent on FFAR2 while were independent of the other five B cell receptors (FFAR3, GPR109A, PPARγ, Olfr-78, and AhR). CONCLUSIONS AND IMPLICATIONS SCFAs regulate B cells differentiation via FFAR2 to alleviate RA. This will provide new insights into the treatment of RA from an immunological and microbiological perspective.
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Affiliation(s)
- Yao Yao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoyu Cai
- Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongquan Zheng
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Meng Zhang
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weidong Fei
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dongli Sun
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengdan Zhao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yiqing Ye
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Caihong Zheng
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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33
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Onyango SO, Juma J, De Paepe K, Van de Wiele T. Oral and Gut Microbial Carbohydrate-Active Enzymes Landscape in Health and Disease. Front Microbiol 2021; 12:653448. [PMID: 34956106 PMCID: PMC8702856 DOI: 10.3389/fmicb.2021.653448] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022] Open
Abstract
Inter-individual variability in the microbial gene complement encoding for carbohydrate-active enzymes (CAZymes) can profoundly regulate how the host interacts with diverse carbohydrate sources thereby influencing host health. CAZy-typing, characterizing the microbiota-associated CAZyme-coding genes within a host individual, can be a useful tool to predict carbohydrate pools that the host can metabolize, or identify which CAZyme families are underrepresented requiring supplementation via microbiota transplantation or probiotics. CAZy-typing, moreover, provides a novel framework to search for disease biomarkers. As a proof of concept, we used publicly available metagenomes (935) representing 310 type strain bacterial genomes to establish the link between disease status and CAZymes in the oral and gut microbial ecosystem. The abundance and distribution of 220 recovered CAZyme families in saliva and stool samples from patients with colorectal cancer, rheumatoid arthritis, and type 1 diabetes were compared with healthy subjects. Based on the multivariate discriminant analysis, the disease phenotype did not alter the CAZyme profile suggesting a functional conservation in carbohydrate metabolism in a disease state. When disease and healthy CAZyme profiles were contrasted in differential analysis, CAZyme markers that were underrepresented in type 1 diabetes (15), colorectal cancer (12), and rheumatoid arthritis (5) were identified. Of interest, are the glycosyltransferase which can catalyze the synthesis of glycoconjugates including lipopolysaccharides with the potential to trigger inflammation, a common feature in many diseases. Our analysis has also confirmed the expansive carbohydrate metabolism in the gut as evidenced by the overrepresentation of CAZyme families in the gut compared to the oral site. Nevertheless, each site exhibited specific CAZyme markers. Taken together, our analysis provides an insight into the CAZyme landscape in health and disease and has demonstrated the diversity in carbohydrate metabolism in host-microbiota which can be a sound basis for optimizing the selection of pre, pro, and syn-biotic candidate products.
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Affiliation(s)
- Stanley O Onyango
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
| | - John Juma
- International Livestock Research Institute (ILRI), Nairobi, Kenya
| | - Kim De Paepe
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology (CMET), Ghent University, Ghent, Belgium
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34
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Yeom J, Yim DJ, Ma S, Lim YH. Propionibacterium freudenreichii Inhibits RANKL-Induced Osteoclast Differentiation and Ameliorates Rheumatoid Arthritis in Collagen-Induced Arthritis Mice. Microorganisms 2021; 10:microorganisms10010048. [PMID: 35056497 PMCID: PMC8780394 DOI: 10.3390/microorganisms10010048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/21/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022] Open
Abstract
Osteoclast differentiation is crucial for bone absorption, and osteoclasts are involved in bone destruction in rheumatoid arthritis (RA). Dairy Propionibacterium freudenreichii is used as a cheese starter and possesses prebiotic and postbiotic properties. It is known to stimulate the growth of bifidobacteria and produces valuable metabolites, such as vitamin B12 and propionic acid. However, limited information is available on the beneficial effects of P. freudenreichii on human disease. Herein, we aimed to investigate the inhibitory effect of P. freudenreichii MJ2 (MJ2) isolated from raw milk on osteoclast differentiation and evaluate the improvement in RA. The murine macrophage cell line, RAW 264.7, and a collagen-induced arthritis (CIA) mouse model were used to perform in vitro and in vivo studies, respectively. Heat-killed P. freudenreichii MJ2 (hkMJ2)-treated cells significantly inhibited RANKL-induced osteoclast differentiation and TRAP activity. HkMJ2-treated cells exhibited significantly decreased expression of genes and proteins related to RANKL-induced osteoclast differentiation. MJ2 administration decreased the arthritic score in the CIA mouse model. Live and dead MJ2 inhibited bone loss and afforded protection against bone erosion and joint damage in CIA mice. MJ2 decreased the levels of collagen-specific antibodies and inflammatory cytokines and the expression of osteoclast differentiation-related genes and proteins in CIA mice. Interestingly, live and dead MJ2 showed similar RA improvement effects in CIA mice. In conclusion, P. freudenreichii MJ2 inhibited osteoclast differentiation by inhibiting the NF-κB signaling pathway and ameliorated CIA.
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Affiliation(s)
- Jiah Yeom
- Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul 02841, Korea; (J.Y.); (D.J.Y.); (S.M.)
| | - Dong Joon Yim
- Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul 02841, Korea; (J.Y.); (D.J.Y.); (S.M.)
| | - Seongho Ma
- Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul 02841, Korea; (J.Y.); (D.J.Y.); (S.M.)
| | - Young-Hee Lim
- Department of Integrated Biomedical and Life Sciences, Graduate School, Korea University, Seoul 02841, Korea; (J.Y.); (D.J.Y.); (S.M.)
- School of Biosystems and Biomedical Sciences, College of Health Science, Korea University, Seoul 02841, Korea
- Department of Laboratory Medicine, Korea University Guro Hospital, Seoul 08308, Korea
- Correspondence: ; Tel.: +82-2-3290-5635
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35
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Effect of Anti-Inflammatory Diets on Pain in Rheumatoid Arthritis: A Systematic Review and Meta-Analysis. Nutrients 2021; 13:nu13124221. [PMID: 34959772 PMCID: PMC8706441 DOI: 10.3390/nu13124221] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 02/07/2023] Open
Abstract
Various nutritional therapies have been proposed in rheumatoid arthritis, particularly diets rich in ω-3 fatty acids, which may lead to eicosanoid reduction. Our aim was to investigate the effect of potentially anti-inflammatory diets (Mediterranean, vegetarian, vegan, ketogenic) on pain. The primary outcome was pain on a 10 cm visual analogue scale. Secondary outcomes were C-reactive protein levels, erythrocyte sedimentation rate, health assessment questionnaire, disease activity score 28, tender/swollen joint counts, weight, and body mass index. We searched MEDLINE (OVID), Embase (Elsevier), and CINAHL for studies published from database inception to 12 November 2021. Two authors independently assessed studies for inclusion, extracted study data, and assessed the risk of bias. We performed a meta-analysis with all eligible randomized controlled trials using RevMan 5. We used mean differences or standardized mean differences and the inverse variance method of pooling using a random-effects model. The search retrieved 564 unique publications, of which we included 12 in the systematic review and 7 in the meta-analysis. All studies had a high risk of bias and the evidence was very low. The main conclusion is that anti-inflammatory diets resulted in significantly lower pain than ordinary diets (-9.22 mm; 95% CI -14.15 to -4.29; p = 0.0002; 7 RCTs, 326 participants).
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Martinsson K, Dürholz K, Schett G, Zaiss MM, Kastbom A. Higher serum levels of short-chain fatty acids are associated with non-progression to arthritis in individuals at increased risk of RA. Ann Rheum Dis 2021; 81:445-447. [PMID: 34819270 PMCID: PMC8862054 DOI: 10.1136/annrheumdis-2021-221386] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/27/2021] [Indexed: 11/25/2022]
Affiliation(s)
- Klara Martinsson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Kerstin Dürholz
- Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Mario M Zaiss
- Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany .,Deutsches Zentrum Immuntherapie (DZI), Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Alf Kastbom
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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37
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Alghamdi MA, Redwan EM. Interplay of Microbiota and Citrullination in the Immunopathogenesis of Rheumatoid Arthritis. Probiotics Antimicrob Proteins 2021; 14:99-113. [PMID: 34036479 DOI: 10.1007/s12602-021-09802-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2021] [Indexed: 12/18/2022]
Abstract
Microbiota is a balanced ecosystem that has important functions to the host health including development, defense, digestion, and absorption of dietary fibers and minerals, vitamin synthesizes, protection, and training the host immune system. On the other hand, its dysbiosis is linked to many human diseases such as rheumatoid arthritis (RA). The RA is an inflammatory autoimmune disorder caused by genetic and environmental factors; microbiota may be considered as a risk environmental factor for it. Citrullination is a post-translation modification (PMT) that converts the amino acid arginine to amino acid citrulline in certain proteins. These citrullinated proteins are recognized as a foreign antigen by the immune system resulting in the upregulation of inflammatory action such as in RA. The current work highlights the effect of both gut and oral microbiota dysbiosis on the development of RA, as well as discusses how the alteration in microbiota composition leads to the overgrowth of some bacterial species that entangled in RA pathogenicity. The evidence suggested that some oral and gut microbial species such as Porphyromonas gingivalis and Prevotella copri, respectively, contribute to RA pathogenesis. During dysbiosis, these bacteria can mediate the citrullination of either human or bacteria proteins to trigger an immune response that leads to the generation of autoantibodies.
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Affiliation(s)
- Mohammed A Alghamdi
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia.,Laboratory Department, University Medical Services Center, King Abdulaziz University, P.O. Box 80200, Jeddah, 21589, Saudi Arabia
| | - Elrashdy M Redwan
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia. .,Therapeutic and Protective Proteins Laboratory, Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City for Scientific Research and Technology Applications, New Borg EL-Arab, Alexandria, 21934, Egypt.
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38
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Dietary Derived Propionate Regulates Pathogenic Fibroblast Function and Ameliorates Experimental Arthritis and Inflammatory Tissue Priming. Nutrients 2021; 13:nu13051643. [PMID: 34068191 PMCID: PMC8152983 DOI: 10.3390/nu13051643] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/04/2021] [Accepted: 05/10/2021] [Indexed: 12/15/2022] Open
Abstract
Short-chain fatty acids are gut-bacteria-derived metabolites that execute important regulatory functions on adaptive immune responses, yet their influence on inflammation driven by innate immunity remains understudied. Here, we show that propionate treatment in drinking water or upon local application into the joint reduced experimental arthritis and lowered inflammatory tissue priming mediated by synovial fibroblasts. On a cellular level, incubation of synovial fibroblasts with propionate or a physiological mixture of short-chain fatty acids interfered with production of inflammatory mediators and migration and induced immune-regulatory fibroblast senescence. Our study suggests that propionate mediates its alleviating effect on arthritis by direct abrogation of local arthritogenic fibroblast function.
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Berding K, Carbia C, Cryan JF. Going with the grain: Fiber, cognition, and the microbiota-gut-brain-axis. Exp Biol Med (Maywood) 2021; 246:796-811. [PMID: 33641478 PMCID: PMC8719029 DOI: 10.1177/1535370221995785] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 01/29/2021] [Indexed: 12/31/2022] Open
Abstract
Healthy dietary intake has been acknowledged for decades as one of the main contributors to health. More recently, the field of nutritional psychiatry has progressed our understanding regarding the importance of nutrition in supporting mental health and cognitive function. Thereby, individual nutrients, including omega-3 fatty acids and polyphenols, have been recognized to be key drivers in this relationship. With the progress in appreciating the influence of dietary fiber on health, increasingly research is focusing on deciphering its role in brain processes. However, while the importance of dietary fiber in gastrointestinal and metabolic health is well established, leading to the development of associated health claims, the evidence is not conclusive enough to support similar claims regarding cognitive function. Albeit the increasing knowledge of the impact of dietary fiber on mental health, only a few human studies have begun to shed light onto the underexplored connection between dietary fiber and cognition. Moreover, the microbiota-gut-brain axis has emerged as a key conduit for the effects of nutrition on the brain, especially fibers, that are acted on by specific bacteria to produce a variety of health-promoting metabolites. These metabolites (including short chain fatty acids) as well as the vagus nerve, the immune system, gut hormones, or the kynurenine pathway have been proposed as underlying mechanisms of the microbiota-brain crosstalk. In this minireview, we summarize the evidence available from human studies on the association between dietary fiber intake and cognitive function. We provide an overview of potential underlying mechanisms and discuss remaining questions that need to be answered in future studies. While this field is moving at a fast pace and holds promise for future important discoveries, especially data from human cohorts are required to further our understanding and drive the development of public health recommendations regarding dietary fiber in brain health.
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Affiliation(s)
- Kirsten Berding
- APC Microbiome Ireland, University College Cork, Cork T12 YT20, Ireland
| | - Carina Carbia
- APC Microbiome Ireland, University College Cork, Cork T12 YT20, Ireland
| | - John F Cryan
- APC Microbiome Ireland, University College Cork, Cork T12 YT20, Ireland
- Department of Anatomy and Neuroscience, University College Cork, Cork T12 YT20, Ireland
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40
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Cassotta M, Forbes-Hernandez TY, Cianciosi D, Elexpuru Zabaleta M, Sumalla Cano S, Dominguez I, Bullon B, Regolo L, Alvarez-Suarez JM, Giampieri F, Battino M. Nutrition and Rheumatoid Arthritis in the 'Omics' Era. Nutrients 2021; 13:763. [PMID: 33652915 PMCID: PMC7996781 DOI: 10.3390/nu13030763] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/16/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Modern high-throughput 'omics' science tools (including genomics, transcriptomics, proteomics, metabolomics and microbiomics) are currently being applied to nutritional sciences to unravel the fundamental processes of health effects ascribed to particular nutrients in humans and to contribute to more precise nutritional advice. Diet and food components are key environmental factors that interact with the genome, transcriptome, proteome, metabolome and the microbiota, and this life-long interplay defines health and diseases state of the individual. Rheumatoid arthritis (RA) is a chronic autoimmune disease featured by a systemic immune-inflammatory response, in genetically susceptible individuals exposed to environmental triggers, including diet. In recent years increasing evidences suggested that nutritional factors and gut microbiome have a central role in RA risk and progression. The aim of this review is to summarize the main and most recent applications of 'omics' technologies in human nutrition and in RA research, examining the possible influences of some nutrients and nutritional patterns on RA pathogenesis, following a nutrigenomics approach. The opportunities and challenges of novel 'omics technologies' in the exploration of new avenues in RA and nutritional research to prevent and manage RA will be also discussed.
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Affiliation(s)
- Manuela Cassotta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Tamara Y. Forbes-Hernandez
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, 36310 Vigo, Spain;
| | - Danila Cianciosi
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Maria Elexpuru Zabaleta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Sandra Sumalla Cano
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Irma Dominguez
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Beatriz Bullon
- Department of Periodontology, Dental School, University of Sevilla, 41004 Sevilla, Spain;
| | - Lucia Regolo
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Josè Miguel Alvarez-Suarez
- AgroScience & Food Research Group, Universidad de Las Américas, Quito 170125, Ecuador;
- King Fahd Medical Research Center, King Abdulaziz University, Jedda 21589, Saudi Arabia
| | - Francesca Giampieri
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Maurizio Battino
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
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