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Shan L, Chelliah R, Rahman SME, Hwan Oh D. Unraveling the gut microbiota's role in Rheumatoid arthritis: dietary pathways to modulation and therapeutic potential. Crit Rev Food Sci Nutr 2024:1-11. [PMID: 38832654 DOI: 10.1080/10408398.2024.2362412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Rheumatoid arthritis (RA) is a significant global health issue. Recent research highlights the gut microbiota's critical role in RA's development, noting how dietary factors can alter these microbial communities. This has led to an increased focus on how the gut microbiota (GM) influences RA and the potential for dietary ingredients to offer anti-RA benefits by modifying GM. This review presents a concise examination of the GM associated with RA, identifying specific microbial taxa at various levels that are implicated in the disease. It delves into dietary components known for their anti-RA properties through GM modulation and their mechanisms. Findings from numerous studies, including both animal and human research, show significant differences in the GM composition between individuals with early and established RA. Certain microbes like Tenericutes, Synergistetes, and Proteobacteria have been linked to RA progression, whereas Bacteroidetes and some strains of Lactobacillus are shown to have protective effects against RA. Dietary elements such as fibers, polysaccharides, resistant starch, and peptides have been identified as influential in combating RA. These components work by altering the GM's metabolites and impacting immune cells related to the GM. This review suggests the potential for developing functional foods aimed at treating RA by targeting GM.
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Affiliation(s)
- LingYue Shan
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Republic of South Korea
- Future F Biotech Co., Ltd, Chuncheon, Republic of South Korea
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Republic of South Korea
- Future F Biotech Co., Ltd, Chuncheon, Republic of South Korea
| | - Syed Mohammad Ehsanur Rahman
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Republic of South Korea
- Department of Animal Science, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Deog Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Republic of South Korea
- Future F Biotech Co., Ltd, Chuncheon, Republic of South Korea
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Su R, Zhang T, Wang H, Yan G, Wu R, Zhang X, Gao C, Li X, Wang C. New sights of low dose IL-2: Restoration of immune homeostasis for viral infection. Immunology 2024; 171:324-338. [PMID: 37985960 DOI: 10.1111/imm.13719] [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: 08/16/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023] Open
Abstract
Viral infection poses a significant threat to human health. In addition to the damage caused by viral replication, the immune response it triggers often leads to more serious adverse consequences. After the occurrence of viral infection, in addition to the adverse consequences of infection, chronic infections can also lead to virus-related autoimmune diseases and tumours. At the same time, the immune response triggered by viral infection is complex, and dysregulated immune response may lead to the occurrence of immune pathology and macrophage activation syndrome. In addition, it may cause secondary immune suppression, especially in patients with compromised immune system, which could lead to the occurrence of secondary infections by other pathogens. This can often result in more severe clinical outcomes. Therefore, regarding the treatment of viral infections, restoring the balance of the immune system is crucial in addition to specific antiviral medications. In recent years, scientists have made an interesting finding that low dose IL-2 (ld-IL-2) could potentially have a crucial function in regulating the immune system and reducing the chances of infection, especially viral infection. Ld-IL-2 exerts immune regulatory effects in different types of viral infections by modulating CD4+ T subsets, CD8+ T cells, natural killer cells, and so on. Our review summarised the role of IL-2 or IL-2 complexes in viral infections. Ld-IL-2 may be an effective strategy for enhancing host antiviral immunity and preventing infection from becoming chronic; additionally, the appropriate use of it can help prevent excessive inflammatory response after infection. In the long term, it may reduce the occurrence of infection-related autoimmune diseases and tumours by promoting the restoration of early immune homeostasis. Furthermore, we have also summarised the application of ld-IL-2 in the context of autoimmune diseases combined with viral infections; it may be a safe and effective strategy for restoring immune homeostasis without compromising the antiviral immune response. In conclusion, focusing on the role of ld-IL-2 in viral infections may provide a new perspective for regulating immune responses following viral infections and improving prognosis.
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Affiliation(s)
- Rui Su
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Tingting Zhang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Hui Wang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Gaofei Yan
- Second department, Hamony Long Stomatological Hospital, Taiyuan, China
| | - Ruihe Wu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Xin Zhang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Chong Gao
- Department of Pathology, Brigham and Women's Hospital/Children's Hospital Boston, Joint Program in Transfusion Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Xiaofeng Li
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
| | - Caihong Wang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
- Shanxi Key Laboratory of Immunomicroecology, Taiyuan, Shanxi, China
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Lai J, Fang B, Luo L, Xie W, Xu Y, Li J. Causal relationship between asthma and inflammatory bowel disease : A two-sample bidirectional mendelian randomization analysis. Heart Lung 2024; 63:108-113. [PMID: 37844535 DOI: 10.1016/j.hrtlng.2023.10.004] [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: 07/29/2023] [Revised: 10/03/2023] [Accepted: 10/11/2023] [Indexed: 10/18/2023]
Abstract
BACKGROUND Based on the findings of current observational studies, asthma and inflammatory bowel disease (including Crohn's disease and ulcerative colitis) are associated; however, their causal association cannot be established due to methodological limitations. OBJECTIVES we use two-sample bidirectional mendelian randomization (MR) to overcome the confounding factors and explore the causal link between asthma and inflammatory bowel disease. METHODS After selecting asthma and IBD-related genome-wide association studies (GWAS) data and screening single nucleotide polymorphisms (SNPs), MR analysis was performed by four methods: inverse variance weighted (IVW), MR-Egger, maximum likelihood, and weighted median (WM), while Cochran's Q test was used to detect heterogeneity and MR-Egger intercept to detect horizontal pleiotropy. Finally, we used the leave-one-out method and funnel plot to perform sensitivity analysis. RESULTS We screened 57, 59, and 60 SNPs in the association analysis of asthma and IBD, CD, and UC, respectively. The results of MR analysis showed that asthma only increased the risk of CD (IVW: OR = 1.1712, 95% CI = 1.0418-1.3167, P value = 0.0082; maximum likelihood: OR = 1.1739, 95% CI = 1.0428-1.3215, P value = 0.0080). Neither forward nor reverse MR analysis revealed heterogeneity or horizontal pleiotropy. Similarly, we did not find potential directional pleiotropy by funnel plot, and the leave-one-out method did not suggest a significant effect of a single SNP on the overall results. CONCLUSIONS we found a negative correlation between asthma and Crohn's disease, but more research is needed to confirm this.
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Affiliation(s)
- Jianxiong Lai
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China
| | - Bin Fang
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China
| | - Lirong Luo
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China
| | - Wenjie Xie
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China
| | - Yuanhui Xu
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China
| | - Jian Li
- Department of General Surgery, The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang 621054, Sichuan Province, China.
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Wu Y, Huang L, Li M, Cui X, Zhan Q, Wang C. The role of lung microbiota in primary graft dysfunction in lung transplant recipients. Clin Transplant 2023; 37:e15152. [PMID: 37788167 DOI: 10.1111/ctr.15152] [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: 06/21/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/05/2023]
Abstract
BACKGROUND Recent studies have shown that the lung microbiota is altered in critically ill patients and predicts clinical outcomes. Primary graft dysfunction (PGD) is a common complication and a leading cause of death within 1 month of lung transplantation, but the clinical significance of changes in the lung bacterial community during PGD is unclear. The aim of this study was to determine the contribution of the lung microbiota to the development and course of severe PGD. METHODS We conducted a retrospective study to characterize the lung microbiota of 32 lung transplant patients with combined PGD using next-generation sequencing of bronchoalveolar lavage samples. The relationship between lung flora dysbiosis and lung immunity in PGD was assessed by quantification of alveolar cytokines. The contribution of microbiota characteristics to patient outcomes was assessed by estimating overall survival. RESULTS Patients diagnosed with PGD grade 3 showed a reduction in alpha diversity, driven by a significant increase in the abundance of the genera Modestobacter, Scardovia and Selenomonas, and a reduction in the proportion of the genera Klebsiella and Oribacterium. Alpha diversity of the lung microbiota in PGD3 patients was negatively correlated with BALF interleukin (IL)-2 (r = -.752, p < .05). In addition, bacterial diversity in the lung microbiota of non-survivors was lower than that of survivors (p = .041). CONCLUSIONS There is variation in the lung microbiota of PGD grade 3 patients and dysbiosis of the lung microbiota is associated with lung immunity. The lung microbiota has potential in the diagnosis and treatment of PGD grade 3.
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Affiliation(s)
- Yuhan Wu
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Harbin Medical University, Harbin, China
- Harbin Medical University, Harbin, China
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Linna Huang
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Min Li
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Xiaoyang Cui
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Qingyuan Zhan
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Chen Wang
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Harbin Medical University, Harbin, China
- Harbin Medical University, Harbin, China
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, Beijing, China
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Niu S, Zhu X, Zhang J, Ma Y, Lang X, Luo L, Li W, Zhao Y, Zhang Z. Arsenic trioxide modulates the composition and metabolic function of the gut microbiota in a mouse model of rheumatoid arthritis. Int Immunopharmacol 2022; 111:109159. [PMID: 35987143 DOI: 10.1016/j.intimp.2022.109159] [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: 06/01/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 11/30/2022]
Abstract
The mechanism of rheumatoid arthritis (RA) has been widely investigated, and studies on the use of arsenic trioxide (ATO) in the treatment of RA have been reported in recent years. However, the exact mechanism of action of ATO in RA remains unclear. This study explores alterations in the gut microbiota and metabolism during ATO treatment in a mouse model of RA and provides an integrative analysis of the biomechanism. The purpose of this study was to verify whether ATO can alleviate RA by altering the gut microbiota. In this study, the mice were randomly divided into four different groups: the normal control (NC) group, the collagen-induced arthritis (CIA) group, the ATO 1.0 mg/kg/day group, and the ATO 2.0 mg/kg/day group. Fecal samples were collected. Through 16S rDNA gene sequencing and metabolomic analysis, the effect of ATO on the composition and metabolites of gut microbiota in CIA mice was investigated. The results showed that compared with NC mice, CIA mice showed differences at both the phylum level (Firmicutes and Bacteroidetes) and the genus level (Muribaculaceae_unclassified and Alistipes). Meanwhile, many metabolites were significantly changed between the two groups, including benzoic acid and (s)-2-acetolactate. However, these alterations were partially reversed in ATO-treated CIA mice. These results indicated that ATO treatment modulated gut microbiota disorder and improved fecal metabolite abnormalities. In conclusion, this study provided important evidence for alterations of the gut microbiota and metabolites and the role of these alterations in a potential novel mechanism of ATO treatment in RA.
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Affiliation(s)
- Sijia Niu
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Xiaoying Zhu
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Juan Zhang
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Yeye Ma
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Xueying Lang
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Lili Luo
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Wenjing Li
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Yanping Zhao
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China
| | - Zhiyi Zhang
- Department of Rheumatology, The First Affiliated Hospital of Harbin Medical University, 23 Youzheng St., Nangang District, Harbin, China.
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