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Chen J, Cheng J, Li F, Deng Y, Li Y, Li H, Zeng J, You Y, Zhou X, Chen Q, Luo R, Lai Y, Zhao X. Gut microbiome and metabolome alterations in traditional Chinese medicine damp-heat constitution following treatment with a Chinese patent medicine and lifestyle intervention. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 131:155787. [PMID: 38851100 DOI: 10.1016/j.phymed.2024.155787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 05/06/2024] [Accepted: 05/27/2024] [Indexed: 06/10/2024]
Abstract
BACKGROUND The gut microbiota is crucial in human health and diseases. Traditional Chinese Medicine Constitution (TCMC) divides people into those with a balanced constitution (Ping-he [PH]) and those with an unbalanced constitution. Dampness-heat constitution (Shi-re [SR]) is a common unbalanced constitution in the Chinese population and is susceptible to diseases. However, unbalanced constitutions can be regulated by Chinese medicine and lifestyle interventions in clinical practice. Ermiao Pill (EMP) is a Chinese medicine known for clearing heat and draining dampness and improving SR. However, the efficacy and mechanism of EMP are unclear. HYPOTHESIS/PURPOSE To determine alterations in the gut microbiota and metabolome in SR and any changes after EMP treatment combined with lifestyle intervention. STUDY DESIGN Randomized clinical trial. METHODS We enrolled 112 healthy SR individuals and evaluated the efficacy of EMP along with lifestyle interventions. We further assessed serum cytokine levels, serum and urinary metabolomes, and the gut microbiota by 16S rRNA gene sequencing analysis before and after the EMP and lifestyle interventions. RESULTS 107 SR individuals (55 in the intervention group and 52 in the control group) completed the 1-month-intervention and 1-year-follow-up. The intervention group significantly improved their health status within 1 month, with a reduced SR symptom score, and the efficacy lasted to the 1-year follow-up. The control group needed a further 6 months to reduce the SR symptom score. The gut microbiota of PH individuals was more diverse and had significantly higher proportions of many bacterial species than the SR. Microbiota co-occurrence network analysis showed that SR enriches metabolites correlating with microbial community structure, consistent with traits of healthy SR-enriched microbiota. CONCLUSION EMP combined with lifestyle intervention produced health benefits in SR individuals. Our study indicates a pivotal role of gut microbiota and metabolome alterations in distinguishing between healthy SR and PH. Furthermore, the study reveals structural changes of gut microbiota and metabolites induced by EMP and lifestyle intervention. The treatment enriched the number of beneficial bacteria, such as Akkermansia muciniphila and Lactobacillus in the gut. Our findings provide a strong indication that several metabolite factors are associated with the gut microbiota. Moreover, the gut microbiome and metabolome might be powerful tools for TCMC diagnosis and personalized therapy.
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Affiliation(s)
- Jieyu Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Jingru Cheng
- Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Fei Li
- Oncology Department, People's Hospital of Boluo County, Huizhou, 516100, China
| | - Yijian Deng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Yutong Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Haipeng Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Jingyi Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Yanting You
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Xinghong Zhou
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Qinghong Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Ren Luo
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Yigui Lai
- Department of Traditional Chinese Medicine, People's Hospital of Yangjiang, Yangjiang, 529500, China.
| | - Xiaoshan Zhao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China; Department of Traditional Chinese Medicine, Zhujiang Hospital of Southern Medical University, Guangzhou, 510280, China.
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Tsigalou C, Tsolou A, Stavropoulou E, Konstantinidis T, Zafiriou E, Dardiotis E, Tsirogianni A, Bogdanos D. Unraveling the intricate dance of the Mediterranean diet and gut microbiota in autoimmune resilience. Front Nutr 2024; 11:1383040. [PMID: 38818135 PMCID: PMC11137302 DOI: 10.3389/fnut.2024.1383040] [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: 02/07/2024] [Accepted: 05/07/2024] [Indexed: 06/01/2024] Open
Abstract
The nutritional habits regulate the gut microbiota and increase risk of an autoimmune disease. Western diet is rich in sugars, meat, and poly-unsaturated fatty acids, which lead to dysbiosis of intestinal microbiota, disruption of gut epithelial barrier and chronic mucosal inflammation. In contrast, the Mediterranean Diet (MedDiet) is abundant in ω3 fatty acids, fruits, and vegetables, possessing anti-inflammatory properties that contribute to the restoration of gut eubiosis. Numerous studies have extensively examined the impact of MedDiet and its components on both health and various disease states. Additionally, specific investigations have explored the correlation between MedDiet, microbiota, and the risk of autoimmune diseases. Furthermore, the MedDiet has been linked to a reduced risk of cardiovascular diseases, playing a pivotal role in lowering mortality rates among individuals with autoimmune diseases and comorbidities. The aim of the present review is to specifically highlight current knowledge regarding possible interactions of MedDiet with the patterns of intestinal microbiota focusing on autoimmunity and a blueprint through dietary modulations for the prevention and management of disease's activity and progression.
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Affiliation(s)
- Christina Tsigalou
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, University Hospital, Alexandroupolis, Greece
| | - Avgi Tsolou
- Laboratory of Molecular Cell Biology, Cell Cycle and Proteomics, Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis, Greece
| | - Elisavet Stavropoulou
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, University Hospital, Alexandroupolis, Greece
| | - Theocharis Konstantinidis
- Laboratory of Hygiene and Environmental Protection, Medical School, Democritus University of Thrace, University Hospital, Alexandroupolis, Greece
| | - Efterpi Zafiriou
- Department of Dermatology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Efthymios Dardiotis
- Department of Neurology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Alexandra Tsirogianni
- Department of Immunology-Histocompatibility, Evangelismos General Hospital, Athens, Greece
| | - Dimitrios Bogdanos
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
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Wang X, Yuan W, Yang C, Wang Z, Zhang J, Xu D, Sun X, Sun W. Emerging role of gut microbiota in autoimmune diseases. Front Immunol 2024; 15:1365554. [PMID: 38765017 PMCID: PMC11099291 DOI: 10.3389/fimmu.2024.1365554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/22/2024] [Indexed: 05/21/2024] Open
Abstract
Accumulating studies have indicated that the gut microbiota plays a pivotal role in the onset of autoimmune diseases by engaging in complex interactions with the host. This review aims to provide a comprehensive overview of the existing literatures concerning the relationship between the gut microbiota and autoimmune diseases, shedding light on the complex interplay between the gut microbiota, the host and the immune system. Furthermore, we aim to summarize the impacts and potential mechanisms that underlie the interactions between the gut microbiota and the host in autoimmune diseases, primarily focusing on systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome, type 1 diabetes mellitus, ulcerative colitis and psoriasis. The present review will emphasize the clinical significance and potential applications of interventions based on the gut microbiota as innovative adjunctive therapies for autoimmune diseases.
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Affiliation(s)
- Xinyi Wang
- School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Wei Yuan
- Department of Radiation Oncology, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Chunjuan Yang
- Department of Central Laboratory, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
- Department of Rheumatology, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Zhangxue Wang
- Department of Rheumatology, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Jin Zhang
- Department of Rheumatology, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Donghua Xu
- Department of Central Laboratory, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
- Department of Rheumatology, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Xicai Sun
- Department of Hospital Office, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
| | - Wenchang Sun
- Department of Central Laboratory, The First Affiliated Hospital of Shandong Second Medical University, Weifang, China
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Zhou Z, Li Y, Wu S, Liu T, Jiang J. Host-microbiota interactions in collagen-induced arthritis rats treated with human umbilical cord mesenchymal stem cell exosome and ginsenoside Rh2. Biomed Pharmacother 2024; 174:116515. [PMID: 38569276 DOI: 10.1016/j.biopha.2024.116515] [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: 01/21/2024] [Revised: 03/19/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024] Open
Abstract
Mesenchymal stem cell exosome (MSCs-exo) is a class of products secreted by mesenchymal stem cells (MSCs) that contain various biologically active substances. MSCs-exo is a promising alternative to MSCs due to their lower immunogenicity and lack of ethical constraints. Ginsenoside Rh2 (Rh2) is a hydrolyzed component of the primary active substance of ginsenosides. Rh2 has a variety of pharmacological functions, including anti-inflammatory, anti-tumor, and antioxidant. Studies have demonstrated that gut microbiota and metabolites are critical in developing rheumatoid arthritis (RA). In this study, we constructed a collagen-induced arthritis (CIA) model in rats. We used MSCs-exo combined with Rh2 to treat CIA rats. To observe the effect of MSCs-exo combined with Rh2 on joint inflammation, rat feces were collected for 16 rRNA amplicon sequencing and untargeted metabolomics analysis. The results showed that the arthritis index score and joint swelling of CIA rats treated with MSCs-exo in combination with Rh2 were significantly lower than those of the model and MSCs-exo alone groups. MSCs-exo and Rh2 significantly ameliorated the disturbed gut microbiota in CIA rats. The regulation of Candidatus_Saccharibacteria and Clostridium_XlVb regulation may be the most critical. Rh2 enhanced the therapeutic effect of MSCs-exo compared with the MSCs-exo -alone group. Furthermore, significant changes in gut metabolites were observed in the CIA rat group, and these differentially altered metabolites may act as messengers for host-microbiota interactions. These differential metabolites were enriched into relevant critical metabolic pathways, revealing possible pathways for host-microbiota interactions.
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Affiliation(s)
- Zhongsheng Zhou
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yang Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shuhui Wu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Te Liu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China; Yibin Jilin University Research Institute, Jilin University, Yibin, Sichuan, China.
| | - Jinlan Jiang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, China.
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Deng Z, Yang C, Xiang T, Dou C, Sun D, Dai Q, Ling Z, Xu J, Luo F, Chen Y. Gold nanoparticles exhibit anti-osteoarthritic effects via modulating interaction of the "microbiota-gut-joint" axis. J Nanobiotechnology 2024; 22:157. [PMID: 38589904 PMCID: PMC11000357 DOI: 10.1186/s12951-024-02447-y] [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: 02/07/2024] [Accepted: 03/30/2024] [Indexed: 04/10/2024] Open
Abstract
Osteoarthritis (OA) is a common degenerative joint disease that can cause severe pain, motor dysfunction, and even disability. A growing body of research indicates that gut microbiota and their associated metabolites are key players in maintaining bone health and in the progression of OA. Short-chain fatty acids (SCFAs) are a series of active metabolites that widely participate in bone homeostasis. Gold nanoparticles (GNPs) with outstanding anti-bacterial and anti-inflammatory properties, have been demonstrated to ameliorate excessive bone loss during the progression of osteoporosis (OP) and rheumatoid arthritis (RA). However, the protective effects of GNPs on OA progression are not clear. Here, we observed that GNPs significantly alleviated anterior cruciate ligament transection (ACLT)-induced OA in a gut microbiota-dependent manner. 16S rDNA gene sequencing showed that GNPs changed gut microbial diversity and structure, which manifested as an increase in the abundance of Akkermansia and Lactobacillus. Additionally, GNPs increased levels of SCFAs (such as butyric acid), which could have improved bone destruction by reducing the inflammatory response. Notably, GNPs modulated the dynamic balance of M1/M2 macrophages, and increased the serum levels of anti-inflammatory cytokines such as IL-10. To sum up, our study indicated that GNPs exhibited anti-osteoarthritis effects via modulating the interaction of "microbiota-gut-joint" axis, which might provide promising therapeutic strategies for OA.
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Affiliation(s)
- Zihan Deng
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Chuan Yang
- Department of Biomedical Materials Science, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Tingwen Xiang
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Ce Dou
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Dong Sun
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Qijie Dai
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Zhiguo Ling
- Institute of Immunology, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
| | - Jianzhong Xu
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
| | - Fei Luo
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
| | - Yueqi Chen
- Department of Orthopedics, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China.
- Department of Orthopedics, Chinese PLA 76th Army Corps Hospital, Xining, People's Republic of China.
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Ran X, Hu G, Guo W, Li K, Wang X, Liu J, Fu S. Hesperetin regulates the intestinal flora and inhibits the TLR4/NF-κB signaling axis to protect the blood-milk barrier and prevent mastitis. Life Sci 2024; 342:122533. [PMID: 38428570 DOI: 10.1016/j.lfs.2024.122533] [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: 12/17/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/03/2024]
Abstract
The World Health Organization recommends breastfeeding for 6 months, but mastitis, a common disease during lactation, presents a major obstacle to fulfilling this recommendation. Maternal nutrient intake during lactation has been shown to be related to mastitis. Therefore, this study aimed to explore the effect of hesperetin, a phytonutrient, on mastitis. The oral administration of hesperetin to lipopolysaccharide (LPS)-induced mastitis mice alleviated their pathological damage, reduced the secretion of pro-inflammatory cytokines, and maintained the integrity of their blood-milk barrier. Moreover, our results showed that oral administration of hesperetin regulates the composition of the intestinal flora of mice. Fecal microbial transplantation (FMT) from the mice of hesperetin group alleviated LPS-induced mastitis in recipient mice. In additional, hesperetin attenuated the inflammatory response and increased the expression of tight junction proteins (TJs) in LPS-stimulated mouse mammary epithelial cells (mMECs). Through network pharmacological analysis and further research, we demonstrated hesperetin inhibits the expression of TLR4 and the activation of NF-κB signaling. In conclusion, hesperetin protects the blood-milk barrier and improve mastitis by regulating intestinal flora and inhibiting the activation of TLR4/NF-κB signaling axis. This study provides a theoretical basis for lactating females to consume hesperetin as a supplement to prevent mastitis and maintain mammary health.
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Affiliation(s)
- Xin Ran
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Guiqiu Hu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Weiwei Guo
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Kefei Li
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Xiaoxuan Wang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Juxiong Liu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China.
| | - Shoupeng Fu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, Institute of Zoonosis, and College of Veterinary Medicine, Jilin University, Changchun 130062, China.
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Seymour BJ, Allen BE, Kuhn KA. Microbial Mechanisms of Rheumatoid Arthritis Pathogenesis. Curr Rheumatol Rep 2024; 26:124-132. [PMID: 38300467 PMCID: PMC11141067 DOI: 10.1007/s11926-024-01135-y] [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] [Accepted: 01/19/2024] [Indexed: 02/02/2024]
Abstract
PURPOSE OF REVIEW Host-microbiome interactions have been implicated in the pathophysiology of rheumatoid arthritis (RA), but the data linking specific microbes to RA is largely associative. Here, we review recent studies that have interrogated specific mechanistic links between microbes and host in the setting of RA. RECENT FINDINGS Several candidate bacterial species and antigens that may trigger the conversion of an anti-bacterial to an autoimmune response have been recently identified. Additional studies have identified microbial metabolic pathways that are altered in RA. Some of these microbial species and metabolic pathways have been validated in mouse models to induce RA-like immune responses, providing initial evidence of specific mechanisms by which the microbiota contributes to the development of RA. Several microbial species, antigens, and metabolites have been identified as potential contributors to RA pathophysiology. Further interrogation and validation of these pathways may identify novel biomarkers of or therapeutic avenues for RA.
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Affiliation(s)
- Brenda J Seymour
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Brendan E Allen
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Kristine A Kuhn
- Division of Rheumatology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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Xiao YL, Gong Y, Qi YJ, Shao ZM, Jiang YZ. Effects of dietary intervention on human diseases: molecular mechanisms and therapeutic potential. Signal Transduct Target Ther 2024; 9:59. [PMID: 38462638 PMCID: PMC10925609 DOI: 10.1038/s41392-024-01771-x] [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: 08/01/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 03/12/2024] Open
Abstract
Diet, serving as a vital source of nutrients, exerts a profound influence on human health and disease progression. Recently, dietary interventions have emerged as promising adjunctive treatment strategies not only for cancer but also for neurodegenerative diseases, autoimmune diseases, cardiovascular diseases, and metabolic disorders. These interventions have demonstrated substantial potential in modulating metabolism, disease trajectory, and therapeutic responses. Metabolic reprogramming is a hallmark of malignant progression, and a deeper understanding of this phenomenon in tumors and its effects on immune regulation is a significant challenge that impedes cancer eradication. Dietary intake, as a key environmental factor, can influence tumor metabolism. Emerging evidence indicates that dietary interventions might affect the nutrient availability in tumors, thereby increasing the efficacy of cancer treatments. However, the intricate interplay between dietary interventions and the pathogenesis of cancer and other diseases is complex. Despite encouraging results, the mechanisms underlying diet-based therapeutic strategies remain largely unexplored, often resulting in underutilization in disease management. In this review, we aim to illuminate the potential effects of various dietary interventions, including calorie restriction, fasting-mimicking diet, ketogenic diet, protein restriction diet, high-salt diet, high-fat diet, and high-fiber diet, on cancer and the aforementioned diseases. We explore the multifaceted impacts of these dietary interventions, encompassing their immunomodulatory effects, other biological impacts, and underlying molecular mechanisms. This review offers valuable insights into the potential application of these dietary interventions as adjunctive therapies in disease management.
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Affiliation(s)
- Yu-Ling Xiao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yue Gong
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ying-Jia Qi
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Zhi-Ming Shao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yi-Zhou Jiang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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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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Yang D, Cheng X, Fan M, Xie D, Liu Z, Zheng F, Dai Y, Pi Z, Yue H. Regulation of polysaccharide in Wu-tou decoction on intestinal microflora and pharmacokinetics of small molecular compounds in AIA rats. Chin Med 2024; 19:9. [PMID: 38218825 PMCID: PMC10787407 DOI: 10.1186/s13020-024-00878-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/01/2024] [Indexed: 01/15/2024] Open
Abstract
Wu-tou decoction (WTD), a traditional Chinese medicine prescription, is used to treat rheumatoid arthritis (RA). It works by controlling intestinal flora and its metabolites, which in turn modulates the inflammatory response and intestinal barrier function. Small molecular compounds (SM) and polysaccharides (PS) were the primary constituents of WTD extract. In this work, a model of adjuvant-induced arthritis (AIA) in rats was established and treated with WTD, SM, and PS, respectively. 16S rRNA gene sequencing was used to examine the regulatory impact of the various groups on the disturbance of the gut flora induced by RA. Further, since PS cannot be absorbed into the blood, the influence of PS on the absorption and metabolism of SM was studied by examining their pharmacokinetic (PK) parameters of 23 active components in SM by UPLC-MS/MS. WTD was found to be more effective than PS and SM in alleviating arthritis in AIA rats, which may be related to changes in gut flora. The PK properties of 13 active compounds were altered after PS intervene. Based on the findings, PS may be able to manage the disruption of intestinal microbiota, enhance the intestinal environment of model animals, and hence influence SM absorption and metabolism.
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Affiliation(s)
- Di Yang
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China
| | - Xiaoxu Cheng
- Jiangzhong Pharmaceutical Co, Ltd., Nanchang, 330000, China
| | - Meiling Fan
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China
| | - Dong Xie
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China
| | - Zhiqiang Liu
- National Center of Mass Spectrometry in Changchun and Jilin Provincal Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Fei Zheng
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China
| | - Yulin Dai
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China
| | - Zifeng Pi
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China.
| | - Hao Yue
- Changchun University of Chinese Medicine, No. 1035 Boshuo Rd, Nanguan District, Changchun, 130117, China.
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Su J, Lin X, Li D, Yang C, Lv S, Chen X, Yang X, Pan B, Xu R, Ren L, Zhang Y, Xie Y, Chen Q, Xia C. Prevotella copri exhausts intrinsic indole-3-pyruvic acid in the host to promote breast cancer progression: inactivation of AMPK via UHRF1-mediated negative regulation. Gut Microbes 2024; 16:2347757. [PMID: 38773738 PMCID: PMC11123460 DOI: 10.1080/19490976.2024.2347757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 04/22/2024] [Indexed: 05/24/2024] Open
Abstract
Emerging evidence has revealed the novel role of gut microbiota in the development of cancer. The characteristics of function and composition in the gut microbiota of patients with breast cancer patients has been reported, however the detailed causation between gut microbiota and breast cancer remains uncertain. In the present study, 16S rRNA sequencing revealed that Prevotella, particularly the dominant species Prevotella copri, is significantly enriched and prevalent in gut microbiota of breast cancer patients. Prior-oral administration of P. copri could promote breast cancer growth in specific pathogen-free mice and germ-free mice, accompanied with sharp reduction of indole-3-pyruvic acid (IPyA). Mechanistically, the present of excessive P. copri consumed a large amount of tryptophan (Trp), thus hampering the physiological accumulation of IPyA in the host. Our results revealed that IPyA is an intrinsic anti-cancer reagent in the host at physiological level. Briefly, IPyA directly suppressed the transcription of UHRF1, following by the declined UHRF1 and PP2A C in nucleus, thus inhibiting the phosphorylation of AMPK, which is just opposite to the cancer promoting effect of P. copri. Therefore, the exhaustion of IPyA by excessive P. copri strengthens the UHRF1-mediated negative control to inactivated the energy-controlling AMPK signaling pathway to promote tumor growth, which was indicated by the alternation in pattern of protein expression and DNA methylation. Our findings, for the first time, highlighted P. copri as a risk factor for the progression of breast cancer.
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Affiliation(s)
- Jiyan Su
- Scientific Research Center, Foshan Maternity & Child Healthcare Hospital, Foshan, P. R. China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, P. R. China
| | - Xiaojie Lin
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Dan Li
- Institute of Microbiology, Guangdong Academy of Sciences, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangzhou, P. R. China
- Department of Pharmacy, Guangdong Second Provincial General Hospital, Guangzhou, P. R. China
| | - Chunmin Yang
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Shumei Lv
- Institute of Microbiology, Guangdong Academy of Sciences, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangzhou, P. R. China
| | - Xiaohong Chen
- Institute of Microbiology, Guangdong Academy of Sciences, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangzhou, P. R. China
- Department of Basic Medical Science, Xiamen Medical College, Xiamen, P. R. China
| | - Xiujuan Yang
- Scientific Research Center, Foshan Maternity & Child Healthcare Hospital, Foshan, P. R. China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, P. R. China
| | - Botao Pan
- Scientific Research Center, Foshan Maternity & Child Healthcare Hospital, Foshan, P. R. China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, P. R. China
| | - Rui Xu
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Liping Ren
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Yanfang Zhang
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Yizhen Xie
- Institute of Microbiology, Guangdong Academy of Sciences, State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application, Ministry of Agriculture and Rural Affairs, Guangzhou, P. R. China
- R&D Department, Guangdong Yuewei Edible Fungi Technology Co. Ltd, Guangzhou, P. R. China
| | - Qianjun Chen
- Breast Department, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, P. R. China
| | - Chenglai Xia
- Scientific Research Center, Foshan Maternity & Child Healthcare Hospital, Foshan, P. R. China
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, P. R. China
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Mei S, He G, Chen Z, Zhang R, Liao Y, Zhu M, Xu D, Shen Y, Zhou B, Wang K, Wang C, Zhu E, Chen C. Probiotic-Fermented Distillers Grain Alters the Rumen Microbiome, Metabolome, and Enzyme Activity, Enhancing the Immune Status of Finishing Cattle. Animals (Basel) 2023; 13:3774. [PMID: 38136811 PMCID: PMC10740804 DOI: 10.3390/ani13243774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/28/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
A total of 30 Simmental crossbred cattle (6.50 months old, 265.0 ± 22.48 kg) were randomly divided into three groups, with 10 heads per group, and fed for 45 days. The diet treatments consisted of the Control group without PFDG supplementation, the PFDG-15% group with 15% PFDG substituting for 15% concentrate, and PFDG-30% group with 30% PFDG substituting for 30% concentrate. The results showed that compared with the Control group, the average daily gain (ADG) of the cattle in the PFDG-30% group decreased significantly (0.890 vs. 0.768 kg/d, p = 0.005). The serum malondialdehyde content of cattle in the PFDG-15% and PFDG-30% groups decreased significantly (p = 0.047) compared to that of the Control group. However, the serum superoxide dismutase activity of cattle in the PFDG-30% group was significantly higher than that of the Control group (p = 0.047). Meanwhile, both the PFDG-15% and PFDG-30% groups (1758.47 vs. 2061.30 μg/mL) showed higher serum levels of immunoglobulin G, while the interleukin-10 concentration was lower in the PFDG-30% group (p = 0.027). In addition, the PFDG-15% and PFDG-30% groups shifted the rumen microbiota by improving the abundances of F082 (related to propionic acid production) and fiber-degrading bacteria (Lachnospiraceae_UGG-009 and Prevotellaceae_UCG-001) and reducing the abundance of the disease-associated bacteria Selenomonas. A Kyoto encyclopedia of genes and genomes (KEGG) analysis illustrated that three key metabolic pathways, including phenylalanine metabolism, pyrimidine metabolism, and tryptophan metabolism, were enriched in the PFDG-15% group, but eight key metabolic pathways, including arachidonic acid metabolism, were enriched in the PFDG-30% group. Importantly, both the PFDG-15% and PFDG-30% groups increased (p < 0.01) the activities of cellulase, lipase, and protease in the rumen. Finally, the different bacterial abundance in the rumen was associated with changes in the ADG, serum antioxidant capacity, immune status, rumen enzyme activity, and metabolites. These results suggest that PFDG alters rumen microbiome abundance, metabolome, and enzyme activity for enhancing serum antioxidant capacity and the immune status, but when the supplemental level reaches 30%, it has a negative effect on ADG and the anti-inflammatory factors in finishing cattle.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Chao Chen
- College of Animal Science, Guizhou University, Guiyang 550025, China; (S.M.); (G.H.); (Z.C.); (R.Z.); (Y.L.); (M.Z.); (D.X.); (Y.S.); (B.Z.); (K.W.); (C.W.); (E.Z.)
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13
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Tie Y, Huang Y, Chen R, Li L, Chen M, Zhang S. Current insights on the roles of gut microbiota in inflammatory bowel disease-associated extra-intestinal manifestations: pathophysiology and therapeutic targets. Gut Microbes 2023; 15:2265028. [PMID: 37822139 PMCID: PMC10572083 DOI: 10.1080/19490976.2023.2265028] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic, recurrent inflammatory disease of the gastrointestinal tract. In addition to digestive symptoms, patients with IBD may also develop extra-intestinal manifestations (EIMs), the etiology of which remains undefined. The gut microbiota has been reported to exert a critical role in the pathogenesis of IBD, with a similar pattern of gut dysbiosis observed between patients with IBD and those with EIMs. Therefore, it is hypothesized that the gut microbiota is also involved in the pathogenesis of EIMs. The potential mechanisms are presented in this review, including: 1) impaired gut barrier: dysbiosis induces pore formation in the intestinal epithelium, and activates pattern recognition receptors to promote local inflammation; 2) microbial translocation: intestinal pathogens, antigens, and toxins translocate via the impaired gut barrier into extra-intestinal sites; 3) molecular mimicry: certain microbial antigens share similar epitopes with self-antigens, inducing inflammatory responses targeting extra-intestinal tissues; 4) microbiota-related metabolites: dysbiosis results in the dysregulation of microbiota-related metabolites, which could modulate the differentiation of lymphocytes and cytokine production; 5) immunocytes and cytokines: immunocytes are over-activated and pro-inflammatory cytokines are excessively released. Additionally, we summarize microbiota-related therapies, including probiotics, prebiotics, postbiotics, antibiotics, and fecal microbiota transplantation, to promote better clinical management of IBD-associated EIMs.
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Affiliation(s)
- Yizhe Tie
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yongle Huang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Department of Clinical Medicine, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Rirong Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li Li
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Minhu Chen
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shenghong Zhang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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14
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Huo L, Li H, Zhu M, Liu Y, Ren L, Hu J, Wang X. Enhanced trimethylamine metabolism and gut dysbiosis in type 2 diabetes mellitus with microalbumin. Front Endocrinol (Lausanne) 2023; 14:1257457. [PMID: 38075058 PMCID: PMC10698370 DOI: 10.3389/fendo.2023.1257457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 10/11/2023] [Indexed: 12/18/2023] Open
Abstract
Background Abnormal gut microbiota and blood trimethylamine-N-oxide (TMAO) metabolome have been reported in patients with type 2 diabetes mellitus (T2DM) and advanced diabetic nephropathy. This study aimed to investigate the gut microbiota profiles and a group of targeted urine metabolic characteristics in T2DM patients with or without microalbuminuria, to determine the correlation between the gut microbiota composition, trimethylamine (TMA) metabolism, and the clinical features during progression of diabetic kidney disease (DKD). Methods This study included 26 T2DM patients with microalbuminuria (Micro), 26 T2DM patients with normoalbuminuria (Normo), and 15 healthy controls (HC). Urine and Fecal samples were detected using ultra performance liquid chromatography tandem mass spectrometry and 16S ribosomal DNA gene sequencing, respectively. Results The TMAO/TMA ratio decreased gradually during the HC-Normo-Micro transition. The levels of TMA, choline and betaine were significantly different between the HC group and the T2DM patients belonging to both Normo and Micro groups. At the operational taxonomic unit (OTU) level, the gut microflora diversity was significantly reduced in the Micro groups compared to the HC groups and the Normo groups. Taxonomic analyses revealed significant consumption in the relative abundances of eight bacterial genera and significant enrichment of two bacterial genera during the HC-Normo-Micro transition. Furthermore, the relative abundances of six bacterial genera, namely, Ruminococcus_1, [Eubacterium]_ruminantium_group, Roseburia, Faecalibacterium, Fusicatenibacter and Coprococcus_3 exhibited significant differences, and were associated with elevated urinary albumin creatinine ratio (UACR), TMAO/TMA, TMA and its precursors in the Micro group compared with the other groups. Conclusion The imbalance of gut microbiota has occurred in patients with early-stage DKD, and the consumption of short-chain fatty acid-producing bacteria were associated with the accumulation of TMA and UACR.
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Affiliation(s)
- Lixia Huo
- Huzhou Key Laboratory of Translational Medicine, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Hui Li
- Department of Environmental and Occupational Health, Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Ming Zhu
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Yang Liu
- Huzhou Key Laboratory of Translational Medicine, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Lingyan Ren
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Jia Hu
- Department of Endocrinology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Xiaoyi Wang
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
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15
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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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16
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Liu X, Chen X, Zhang C, Huang M, Yu H, Wang Y, Wang Y. Mitochondrion-NLRP3 inflammasome activation in macrophages: A novel mechanism of the anti-inflammatory effect of Notopterygium in rheumatoid arthritis treatment. Biomed Pharmacother 2023; 167:115560. [PMID: 37769392 DOI: 10.1016/j.biopha.2023.115560] [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: 07/28/2023] [Revised: 09/18/2023] [Accepted: 09/19/2023] [Indexed: 09/30/2023] Open
Abstract
OBJECTIVE The mechanism by which Notopterygium (NE) regulates the nucleotide-binding, oligomerization domain (NOD)-like receptor family and pyrin domain-containing 3 (NLRP3) inflammasome to treat rheumatoid arthritis (RA) was investigated to reveal the scientific implications of NE in RA treatment. METHODS Adjuvant arthritis (AA) rats were replicated. After NE intervention, the anti-inflammatory efficacy of NE in vivo was determined. The mechanism of NE in RA treatment was predicted by network pharmacology, and the key target for further experiments was found through the analysis of Kyoto Encyclopedia of Genes and Genomes (KEGG). The effect of NE on the NLRP3 inflammasome in AA rats was verified. Furthermore, with the induction of inflammation in RAW264.7 cells by lipopolysaccharide (LPS), several techniques, such as Griess assay, enzyme linked immunosorbent assays, electron microscopy, and fluorescence probe technology, were used to investigate the anti-inflammatory and related mechanisms of NE in RA treatment. RESULTS NE could inhibit inflammation in AA rats. KEGG results showed that NLRP3 participated in the top three pathways of NE in RA treatment. Through Western blotting and immunofluorescence assays, this study demonstrated that NE can regulate NLRP3, pro-Caspase-1, Caspase-1, and CD11b in the ankle joint of AA rats. NE may significantly reduce the LPS-induced inflammatory response of RAW264.7 cells by alleviating mitochondrial damage, reducing the number of mitochondrial deoxyribonucleic Acid and mitochondrial reactive oxygen species, inhibiting NLRP3 inflammasome activation. CONCLUSION The anti-inflammatory and antirheumatic effect of NE may involve regulating NLRP3 inflammasome activation through mitochondria. NLRP3 is probably the key target molecule of NE in the treatment of RA.
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Affiliation(s)
- Xiangxiang Liu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Xiaomei Chen
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Cheng Zhang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Meixia Huang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Hongmin Yu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Yingzheng Wang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Yinghao Wang
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
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Superdock DK, Zhang W, Poole AC. Processing and storage methods affect oral and gut microbiome composition. Front Microbiol 2023; 14:1253570. [PMID: 37854339 PMCID: PMC10579807 DOI: 10.3389/fmicb.2023.1253570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 09/08/2023] [Indexed: 10/20/2023] Open
Abstract
In microbiome studies, fecal and oral samples are stored and processed in different ways, which could affect the observed microbiome composition. In this study, we compared storage and processing methods applied to samples prior to DNA extraction to determine how each affected microbial community diversity as assessed by 16S rRNA gene sequencing. We collected dental swabs, saliva, and fecal samples from 10 individuals, with three technical replicates per condition. We assessed four methods of storing and processing fecal samples prior to DNA extraction. We also compared different fractions of thawed saliva and dental samples to fresh samples. We found that lyophilized fecal samples, fresh whole saliva samples, and the supernatant fraction of thawed dental samples had the highest levels of alpha diversity. The supernatant fraction of thawed saliva samples had the second highest evenness compared to fresh saliva samples. Then, we investigated the differences in observed community composition at the domain and phylum levels and identified the amplicon sequence variants (ASVs) that significantly differed in relative abundance between the conditions. Lyophilized fecal samples had a greater prevalence of Archaea as well as a greater ratio of Firmicutes to Bacteroidetes compared to the other conditions. Our results provide practical considerations not only for the selection of storage and processing methods but also for comparing results across studies. Differences in processing and storage methods could be a confounding factor influencing the presence, absence, or differential abundance of microbes reported in conflicting studies.
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Affiliation(s)
| | - Wei Zhang
- School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
| | - Angela C. Poole
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, United States
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Zhang X, Yang H, Zuo X, Wu L, Peng J, Li Z, Li H, Ji W, Zhang L, Li X, Dai L, Lu L, Yang N, Wei W, Shuai Z, Jiang Y, Liu Y, Lipsky PE, Chen H. Efficacy and safety of tripterygium wilfordii Hook F plus TNF inhibitor for active rheumatoid arthritis: A multicentre, randomized, double-blind, triple-dummy controlled trial. Clin Immunol 2023; 255:109749. [PMID: 37657525 DOI: 10.1016/j.clim.2023.109749] [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: 08/14/2023] [Revised: 08/29/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023]
Abstract
An investigator-initiated, multicentre, randomized, double-blind, triple-dummy, controlled trial was conducted at 14 tertiary rheumatology centers in China to evaluate the efficacy and safety of Tripterygium wilfordii Hook F (TwHF) with recombinant human TNF receptor IgGFc fusion protein (rhTNFR-Fc) in active Rheumatoid Arthritis (RA). Primary endpoint was the proportion of patients achieved a 50% improvement of American College of Rheumatology criteria (ACR50) in TwHF+rhTNFR-Fc vs. methotrexate (MTX) group at week 12. ACR50 was achieved in 57.1% (72/126), 41.3% (52/126), 23.0% (29/126), and 26.2% (33/126) patients receiving TwHF+rhTNFR-Fc, MTX + rhTNFR-Fc, TwHF and MTX monotherapy, respectively, at week 12 (TwHF+rhTNFR-Fc vs. other three groups, all p < 0.05). No statistical difference in serious adverse events or adverse events leading to discontinuation of study across all groups was documented. TwHF+rhTNFR-Fc was superior to MTX for active RA, and was more effective than MTX + rhTNFR-Fc on ACR50, with a similar safety profile. Trial registration:ClinicalTrials.govNCT03589833.
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Affiliation(s)
- Xuan Zhang
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Clinical Immunology Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Huaxia Yang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaoxia Zuo
- Department of Rheumatology, Central South University Xiangya Hospital, Central South University, Changsha, China
| | - Lijun Wu
- Department of Rheumatology and Immunology, People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Clinical Research Center for Rheumatoid arthritis, Urumqi, Xinjiang, China
| | - Jiangyun Peng
- Department of Rheumatology, Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming, China
| | - Zhenbin Li
- Department of Rheumatology and Immunology, Bethune International Peace Hospital, Shijiazhuang, Hebei Province, China
| | - Hongbin Li
- Department of Rheumatology and Immunology, Affiliated Hospital of Inner Mongolia Medical College, Hohhot, China
| | - Wei Ji
- Department of Rheumatology, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Liyun Zhang
- Department of Rheumatology, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Taiyuan, China
| | - Xiaomei Li
- Department of Rheumatology, The First Affiliated Hospital of University of Science and Technology of China, Hefei, China
| | - Lie Dai
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Liangjing Lu
- Department of Rheumatology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Niansheng Yang
- Department of Rheumatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Wei
- Department of Rheumatology, Tianjin Medical University General Hospital, Tianjin, China
| | - Zongwen Shuai
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ying Jiang
- Department of Rheumatology, Central South University Xiangya Hospital, Central South University, Changsha, China
| | - Yudong Liu
- Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Clinical Immunology Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Peter E Lipsky
- RILITE Research Institute, Charlottesville, VA, United States
| | - Hua Chen
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Maisha JA, El-Gabalawy HS, O’Neil LJ. Modifiable risk factors linked to the development of rheumatoid arthritis: evidence, immunological mechanisms and prevention. Front Immunol 2023; 14:1221125. [PMID: 37767100 PMCID: PMC10520718 DOI: 10.3389/fimmu.2023.1221125] [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: 05/11/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Rheumatoid Arthritis (RA) is a common autoimmune disease that targets the synovial joints leading to arthritis. Although the etiology of RA remains largely unknown, it is clear that numerous modifiable risk factors confer increased risk to developing RA. Of these risk factors, cigarette smoking, nutrition, obesity, occupational exposures and periodontal disease all incrementally increase RA risk. However, the precise immunological mechanisms by which these risk factors lead to RA are not well understood. Basic and translational studies have provided key insights into the relationship between inflammation, antibody production and the influence in other key cellular events such as T cell polarization in RA risk. Improving our general understanding of the mechanisms which lead to RA will help identify targets for prevention trials, which are underway in at-risk populations. Herein, we review the modifiable risk factors that are linked to RA development and describe immune mechanisms that may be involved. We highlight the few studies that have sought to understand if modification of these risk factors reduces RA risk. Finally, we speculate that modification of risk factors may be an appealing avenue for prevention for some at-risk individuals, specifically those who prefer lifestyle interventions due to safety and economic reasons.
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Affiliation(s)
| | | | - Liam J. O’Neil
- Manitoba Centre for Proteomics and Systems Biology, Department of Internal Medicine, University of Manitoba, Winnipeg, MB, Canada
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20
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Superdock DK, Zhang W, Poole AC. Processing and Storage Methods Affect Oral and Gut Microbiome Composition. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.13.544865. [PMID: 37398124 PMCID: PMC10312680 DOI: 10.1101/2023.06.13.544865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Across microbiome studies, fecal and oral samples are stored and processed in different ways, which could affect the observed microbiome composition. Here, we compared treatment methods, which included both storage conditions and processing methods, applied to samples prior to DNA extraction to determine how each affects microbial community diversity as assessed by 16S rRNA gene sequencing. We collected dental swab, saliva, and fecal samples from 10 individuals, with three technical replicates per treatment method. We assessed four methods of processing fecal samples prior to DNA extraction. We also compared different fractions of frozen saliva and dental samples to fresh samples. We found that lyophilized fecal samples, fresh whole saliva samples, and the supernatant fraction of thawed dental samples retained the highest levels of alpha diversity in samples. The supernatant fraction of thawed saliva samples had the second highest alpha diversity compared to fresh. Then we investigated the differences in microbes between different treatments at the domain and phylum levels as well as identified the amplicon sequence variants (ASVs) that were significantly different between the methods producing the highest alpha diversity and the other treatment methods. Lyophilized fecal samples had a greater prevalence of Archaea as well as a greater ratio of Firmicutes to Bacteroidetes compared to the other treatment methods. Our results provide practical considerations, not only for selection of processing method, but also for comparing results across studies that use these methods. Our findings also indicate differences in treatment method could be a confounding factor influencing the presence, absence, or differential abundance of microbes reported in conflicting studies.
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Wang L, Wang L, Yan C, Fu Y, Yang JF, Ma J, Song S. Structural characterization of a fucoidan from Ascophyllum nodosum and comparison of its protective effect against cellular oxidative stress with its analogues. Int J Biol Macromol 2023; 239:124295. [PMID: 37011755 DOI: 10.1016/j.ijbiomac.2023.124295] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/05/2023] [Accepted: 03/29/2023] [Indexed: 04/04/2023]
Abstract
In the present study, a fucoidan fraction (ANP-3) was isolated from Ascophyllum nodosum, and the combined application of desulfation, methylation, HPGPC, HPLC-MSn, FT-IR, GC-MS, NMR, and Congo red test elucidated ANP-3 (124.5 kDa) as a triple-helical sulfated polysaccharide constituted by →2)-α-Fucp3S-(1→, →3)-α-Fucp2S4S-(1→, →3,6)-β-Galp4S-(1→, →3,6)-β-Manp4S-(1→, →3,6)-β-Galp4S-(1→,→6)-β-Manp-(1→, →3)-β-Galp-(1→, α-Fucp-(1→, and α-GlcAp-(1→ residues. To better understand the relationship between the fucoidan structure of A. nodosum and protective effects against oxidative stress, two fractions ANP-6 and ANP-7 were used as contrast. ANP-6 (63.2 kDa) exhibited no protective effect against H2O2-induced oxidative stress. However, ANP-3 and ANP-7 with the same molecular weight of 124.5 kDa could protect against oxidative stress by down-regulating reactive oxygen species (ROS) and malondialdehyde (MDA) levels and up-regulating total antioxidant capability (T-AOC), superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) activities. Then metabolites analysis indicated that arginine biosynthesis and phenylalanine, tyrosine, and tryptophan biosynthesis metabolic pathways and metabolic biomarkers such as betaine were involved in the effects of ANP-3 and ANP-7. The better protective effect of ANP-7 compared to that of ANP-3 could be attributed to its relatively higher molecular weight, sulfate substitution and →6)-β-Galp-(1→ content, and lower uronic acid content.
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Affiliation(s)
- Lilong Wang
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Linlin Wang
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Chunhong Yan
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China; National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian 116034, PR China
| | - Yinghuan Fu
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China; National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian 116034, PR China
| | - Jing-Feng Yang
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China; National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian 116034, PR China
| | - Jiale Ma
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China
| | - Shuang Song
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, PR China; National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian 116034, PR China.
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Hong M, Li Z, Liu H, Zheng S, Zhang F, Zhu J, Shi H, Ye H, Chou Z, Gao L, Diao J, Zhang Y, Zhang D, Chen S, Zhou H, Li J. Fusobacterium nucleatum aggravates rheumatoid arthritis through FadA-containing outer membrane vesicles. Cell Host Microbe 2023; 31:798-810.e7. [PMID: 37054714 DOI: 10.1016/j.chom.2023.03.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 12/09/2022] [Accepted: 03/16/2023] [Indexed: 04/15/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disorder that has been associated with the gut microbiota. However, whether and how the gut microbiota plays a pathogenic role in RA remains unexplored. Here, we observed that Fusobacterium nucleatum is enriched in RA patients and positively associated with RA severity. F. nucleatum similarly aggravates arthritis in a mouse model of collagen-induced arthritis (CIA). F. nucleatum outer membrane vesicles (OMVs) containing the virulence determinant FadA translocate into the joints, triggering local inflammatory responses. Specifically, FadA acts on synovial macrophages, resulting in the activation of the Rab5a GTPase involved in vesicle trafficking and inflammatory pathways and YB-1, a key regulator of inflammatory mediators. OMVs containing FadA and heightened Rab5a-YB-1 expression were observed in RA patients compared with controls. These findings suggest a causal role of F. nucleatum in aggravating RA and provide promising therapeutic targets for clinically ameliorating RA.
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Affiliation(s)
- Mukeng Hong
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China; Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Zhuang Li
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Haihua Liu
- Department of Obstetrics & Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Songyuan Zheng
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Fangling Zhang
- Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Junqing Zhu
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Hao Shi
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Haixing Ye
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Zhantu Chou
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Lei Gao
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Jianxin Diao
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Yang Zhang
- Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Dongxin Zhang
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Shixian Chen
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China.
| | - Hongwei Zhou
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510000, China.
| | - Juan Li
- Department of Rheumatic & TCM Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China; Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China.
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Romero-Figueroa MDS, Ramírez-Durán N, Montiel-Jarquín AJ, Horta-Baas G. Gut-joint axis: Gut dysbiosis can contribute to the onset of rheumatoid arthritis via multiple pathways. Front Cell Infect Microbiol 2023; 13:1092118. [PMID: 36779190 PMCID: PMC9911673 DOI: 10.3389/fcimb.2023.1092118] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/16/2023] [Indexed: 02/14/2023] Open
Abstract
Rheumatoid Arthritis (RA) is an autoimmune disease characterized by loss of immune tolerance and chronic inflammation. It is pathogenesis complex and includes interaction between genetic and environmental factors. Current evidence supports the hypothesis that gut dysbiosis may play the role of environmental triggers of arthritis in animals and humans. Progress in the understanding of the gut microbiome and RA. has been remarkable in the last decade. In vitro and in vivo experiments revealed that gut dysbiosis could shape the immune system and cause persistent immune inflammatory responses. Furthermore, gut dysbiosis could induce alterations in intestinal permeability, which have been found to predate arthritis onset. In contrast, metabolites derived from the intestinal microbiota have an immunomodulatory and anti-inflammatory effect. However, the precise underlying mechanisms by which gut dysbiosis induces the development of arthritis remain elusive. This review aimed to highlight the mechanisms by which gut dysbiosis could contribute to the pathogenesis of RA. The overall data showed that gut dysbiosis could contribute to RA pathogenesis by multiple pathways, including alterations in gut barrier function, molecular mimicry, gut dysbiosis influences the activation and the differentiation of innate and acquired immune cells, cross-talk between gut microbiota-derived metabolites and immune cells, and alterations in the microenvironment. The relative weight of each of these mechanisms in RA pathogenesis remains uncertain. Recent studies showed a substantial role for gut microbiota-derived metabolites pathway, especially butyrate, in the RA pathogenesis.
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Affiliation(s)
| | - Ninfa Ramírez-Durán
- Laboratory of Medical and Environmental Microbiology, Department of Medicine, Autonomous University of the State of Mexico, Toluca, Mexico
| | - Alvaro José Montiel-Jarquín
- Dirección de Educación e Investigación en Salud, Hospital de Especialidades de Puebla, Instituto Mexicano del Seguro Social, Puebla, Mexico
| | - Gabriel Horta-Baas
- Rheumatology Service, Internal Medicine Department, Instituto Mexicano del Seguro Social, Merida, Mexico,*Correspondence: Gabriel Horta-Baas,
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Dong Y, Yao J, Deng Q, Li X, He Y, Ren X, Zheng Y, Song R, Zhong X, Ma J, Shan D, Lv F, Wang X, Yuan R, She G. Relationship between gut microbiota and rheumatoid arthritis: A bibliometric analysis. Front Immunol 2023; 14:1131933. [PMID: 36936921 PMCID: PMC10015446 DOI: 10.3389/fimmu.2023.1131933] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/14/2023] [Indexed: 03/05/2023] Open
Abstract
Introduction Rheumatoid arthritis (RA) is a multifactorial autoimmune disease. Recently, growing evidence demonstrates that gut microbiota (GM) plays an important role in RA. But so far, no bibliometric studies pertaining to GM in RA have ever been published. This study attempts to depict the knowledge framework in this field from a holistic and systematic perspective based on the bibliometric analysis. Methods Literature related to the involvement of GM in RA was searched and picked from the Web of Science Core Collection (WOSCC) database. The annual output, cooperation, hotspots, research status and development trend of this field were analyzed by bibliometric software (VOSviewer and Bibliometricx). Results 255 original research articles and 204 reviews were included in the analysis. The articles in this field that can be retrieved in WOSCC were first published in 2004 and increased year by year since then. 2013 is a growth explosion point. China and the United States are the countries with the most contributions, and Harvard University is the affiliation with the most output. Frontiers in Immunology (total citations = 603) is the journal with the most publications and the fastest growth rate. eLife is the journal with the most citations (total citations = 1248). Scher, Jose U. and Taneja, Veena are the most productive and cited authors. The research in this field is mainly distributed in the evidence, mechanism and practical application of GM participating in RA through the analysis of keywords and documents. There is sufficient evidence to prove the close relationship between GM and RA, which lays the foundation for this field. This extended two colorful and tender branches of mechanism research and application exploration, which have made some achievements but still have broad exploration space. Recently, the keywords "metabolites", "metabolomics", "acid", "b cells", "balance", "treg cells", "probiotic supplementation" appeared most frequently, which tells us that research on the mechanism of GM participating in RA and exploration of its application are the hotspots in recent years. Discussion Taken together, these results provide a data-based and objective introduction to the GM participating in RA, giving readers a valuable reference to help guide future research.
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Affiliation(s)
- Ying Dong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jianling Yao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Qingyue Deng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xianxian Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yingyu He
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xueyang Ren
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yuan Zheng
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Ruolan Song
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiangjian Zhong
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Jiamu Ma
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Dongjie Shan
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Fang Lv
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Xiuhuan Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- Peking University HuiLongGuan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Ruijuan Yuan
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Ruijuan Yuan, ; Gaimei She,
| | - Gaimei She
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Ruijuan Yuan, ; Gaimei She,
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Abstract
Succinate is a circulating metabolite, and the relationship between abnormal changes in the physiological concentration of succinate and inflammatory diseases caused by the overreaction of certain immune cells has become a research focus. Recent investigations have shown that succinate produced by the gut microbiota has the potential to regulate host homeostasis and treat diseases such as inflammation. Gut microbes are important for maintaining intestinal homeostasis. Microbial metabolites serve as nutrients in energy metabolism, and act as signal molecules that stimulate host cell and organ function and affect the structural balance between symbiotic gut microorganisms. This review focuses on succinate as a metabolite of both host cells and gut microbes and its involvement in regulating the gut - immune tissue axis by activating intestinal mucosal cells, including macrophages, dendritic cells, and intestinal epithelial cells. We also examined its role as the mediator of microbiota - host crosstalk and its potential function in regulating intestinal microbiota homeostasis. This review explores feasible ways to moderate succinate levels and provides new insights into succinate as a potential target for microbial therapeutics for humans.
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Affiliation(s)
- Yi-Han Wei
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xi Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jiang-Chao Zhao
- Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR, USA
| | - Xiu-Qi Wang
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
| | - Chun-Qi Gao
- College of Animal Science, South China Agricultural University, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, Guangzhou, China
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