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Liu J, Qin X, Lin B, Cui J, Liao J, Zhang F, Lin Q. Analysis of gut microbiota diversity in Hashimoto's thyroiditis patients. BMC Microbiol 2022; 22:318. [PMID: 36564707 PMCID: PMC9789560 DOI: 10.1186/s12866-022-02739-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Hashimoto's thyroiditis (HT) is an autoimmune disease. Recent studies have found that the gut microbiota may play an important role in inducing HT, but there are no systematic studies on the changes in the gut microbiota during the development of HT. METHODS In this study, 16S rDNA high-throughput sequencing technology in combination with the Kruskal-Wallis test, CCA/RDA analysis, Spearman correlation analysis, and other statistical methods were used to analyze the effects of age, gender, hormones, and other environmental factors on gut microbiota by comparing the differences in the microbiota at different stages of HT development. RESULTS The results showed that there were differences in the gut microbiota composition between healthy people (HCA) and in patients with HT. Lachnoclostridium, Bilophila, and Klebsiella were enriched in the HCA group, while Akkermansia, Lachnospiraceae, Bifidobacterium, Shuttleia, and Clostriworthdia were enriched in the HT group. Environmental factors analysis revealed that the Bifidobacterium and Klebsiella were two groups of bacteria that have undergone dramatic changes in HCA and HT, and mainly affected by gender. Romboutsia and Haemophilus regulated by the hormone of free triiodothyronine (FT3) may promote the development of HT, while Faecalibacterium and Lachnospiraceae regulated by free thyroxine (FT4) may protect the host. CONCLUSIONS Comprehensive studies have shown that gender is an important factor affecting gut microbial composition, but with the development of HT, hormones, age, and TSH begin to become dominant factors.
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Affiliation(s)
- Jilai Liu
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Xuejun Qin
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Boxi Lin
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Jing Cui
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Juan Liao
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Fu Zhang
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
| | - Qing Lin
- Department of Clinical Laboratory, People’s Hospital Affiliated of Fujian University of Traditional Chinese Medicine, Fuzhou, 350004 China
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2
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Li Y, Yang F, Chen L, Duan S, Jin W, Liu Q, Xu H, Zhang W, Li Y, Wang J, He Z, Zhao Y. Intestinal microbial diversity in female rhesus ( Macaca mulatta) at different physiological periods. Front Microbiol 2022; 13:959315. [PMID: 36225360 PMCID: PMC9548999 DOI: 10.3389/fmicb.2022.959315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
To explore the relationship between the changes in the physiological period and the fecal microbial population of female rhesus monkeys by measuring microbial composition of fecal samples and the serum hormones. Blood and fecal samples were collected from six female adult rhesus monkeys during the menstrual period (MP), ovulation period (OP), and Luteal period (LP). Serum estradiol (E2) and progesterone (P) levels were determined by the chemiluminescence method and the stool samples were subjected to high-throughput 16S rRNA sequencing. The highest level of E2 and P secretions were during the MP, and LP, respectively. Stool samples produced valid sequences and the number of operational taxonomic unit/OTU was: 810056/3756 (MP), 845242/4159 (OP), 881560/3970 (LP). At the phylum level, the three groups of Firmicutes and Bacteroides accounted for > 95%. The dominant flora at the LP was Bacteroides (53.85%), the dominant flora at the MP and OP was Firmicutes, 64.08 and 56.53%, respectively. At the genus level, the dominant genus at the LP was Prevotella, the dominant genera at the MP were Prevotella, Oncococcus, Streptococcus, and Kurtella. The dominant genera at OP were Prevotella and Nocococcus. At the phylum level, P levels were negatively correlated to Firmicutes, Actinomycetes Actinobacteria, and Fibrobacteres, but positively correlated to Bacteroidetes. Likewise, E2 was positively correlated to Proteobacteria but negatively correlated to Euryarchaeota. At the genus level, P hormone showed a significant correlation with 16 bacterial species, and E2 was significantly correlated to seven bacterial species. Function prediction analysis revealed a high similarity between the MP and OP with six differentially functional genes (DFGs) between them and 11 DFGs between OP and LP (P < 0.05). Fecal microbiota types of female rhesus monkeys varied with different stages of the menstrual cycle, possibly related to changes in hormone levels.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Zhanlong He
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
| | - Yuan Zhao
- Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China
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3
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Raugh A, Allard D, Bettini M. Nature vs. nurture: FOXP3, genetics, and tissue environment shape Treg function. Front Immunol 2022; 13:911151. [PMID: 36032083 PMCID: PMC9411801 DOI: 10.3389/fimmu.2022.911151] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 07/11/2022] [Indexed: 12/11/2022] Open
Abstract
The importance of regulatory T cells (Tregs) in preventing autoimmunity has been well established; however, the precise alterations in Treg function in autoimmune individuals and how underlying genetic associations impact the development and function of Tregs is still not well understood. Polygenetic susceptibly is a key driving factor in the development of autoimmunity, and many of the pathways implicated in genetic association studies point to a potential alteration or defect in regulatory T cell function. In this review transcriptomic control of Treg development and function is highlighted with a focus on how these pathways are altered during autoimmunity. In combination, observations from autoimmune mouse models and human patients now provide insights into epigenetic control of Treg function and stability. How tissue microenvironment influences Treg function, lineage stability, and functional plasticity is also explored. In conclusion, the current efficacy and future direction of Treg-based therapies for Type 1 Diabetes and other autoimmune diseases is discussed. In total, this review examines Treg function with focuses on genetic, epigenetic, and environmental mechanisms and how Treg functions are altered within the context of autoimmunity.
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Affiliation(s)
- Arielle Raugh
- Department of Pathology, Microbiology and Immunology, University of Utah, Salt Lake City, UT, United States
- Translational Biology and Molecular Medicine Graduate Program, Baylor College of Medicine, Houston, TX, United States
| | - Denise Allard
- Department of Pathology, Microbiology and Immunology, University of Utah, Salt Lake City, UT, United States
| | - Maria Bettini
- Department of Pathology, Microbiology and Immunology, University of Utah, Salt Lake City, UT, United States
- *Correspondence: Maria Bettini,
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4
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Xiao S, Zhang G, Jiang C, Liu X, Wang X, Li Y, Cheng M, Lv H, Xian F, Guo X, Tan Y. Deciphering Gut Microbiota Dysbiosis and Corresponding Genetic and Metabolic Dysregulation in Psoriasis Patients Using Metagenomics Sequencing. Front Cell Infect Microbiol 2021; 11:605825. [PMID: 33869074 PMCID: PMC8047475 DOI: 10.3389/fcimb.2021.605825] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 03/09/2021] [Indexed: 12/21/2022] Open
Abstract
Background Increasing evidence has shown that alterations in the intestinal microbiota play an important role in the pathogenesis of psoriasis. The existing relevant studies focus on 16S rRNA gene sequencing, but in-depth research on gene functions and comprehensive identification of microbiota is lacking. Objectives To comprehensively identify characteristic gut microbial compositions, genetic functions and relative metabolites of patients with psoriasis and to reveal the potential pathogenesis of psoriasis. Methods DNA was extracted from the faecal microbiota of 30 psoriatic patients and 15 healthy subjects, and metagenomics sequencing and bioinformatic analyses were performed. The Kyoto Encyclopedia of Genes and Genomes (KEGG) database, cluster of orthologous groups (COG) annotations, and metabolic analyses were used to indicate relative target genes and pathways to reveal the pathogenesis of psoriasis. Results Compared with healthy individuals, the gut microbiota of psoriasis patients displayed an alteration in microbial taxa distribution, but no significant difference in microbial diversity. A distinct gut microbial composition in patients with psoriasis was observed, with an increased abundance of the phyla Firmicutes, Actinobacteria and Verrucomicrobia and genera Faecalibacterium, Bacteroides, Bifidobacterium, Megamonas and Roseburia and a decreased abundance of the phyla Bacteroidetes, Euryarchaeota and Proteobacteria and genera Prevotella, Alistipes, and Eubacterium. A total of 134 COGs were predicted with functional analysis, and 15 KEGG pathways, including lipopolysaccharide (LPS) biosynthesis, WNT signaling, apoptosis, bacterial secretion system, and phosphotransferase system, were significantly enriched in psoriasis patients. Five metabolites, hydrogen sulfide (H2S), isovalerate, isobutyrate, hyaluronan and hemicellulose, were significantly dysregulated in the psoriatic cohort. The dysbiosis of gut microbiota, enriched pathways and dysregulated metabolites are relevant to immune and inflammatory response, apoptosis, the vascular endothelial growth factor (VEGF) signaling pathway, gut-brain axis and brain-skin axis that play important roles in the pathogenesis of psoriasis. Conclusions A clear dysbiosis was displayed in the gut microbiota profile, genetic functions and relative metabolites of psoriasis patients. This study is beneficial for further understanding the inflammatory pathogenesis of psoriasis and could be used to develop microbiome-based predictions and therapeutic approaches.
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Affiliation(s)
- Shiju Xiao
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Graduate School, Capital Medical University, Beijing, China
| | - Guangzhong Zhang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Chunyan Jiang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xin Liu
- Puyang Hospital of Traditional Chinese Medicine, Puyang, China
| | - Xiaoxu Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Graduate School, Capital Medical University, Beijing, China
| | - Yafan Li
- Beijing University of Chinese Medicine, Beijing, China
| | - Meijiao Cheng
- Beijing QuantiHealth Technology Co., Ltd, Beijing, China
| | - Hongpeng Lv
- Beijing University of Chinese Medicine, Beijing, China
| | - Fuyang Xian
- Beijing University of Chinese Medicine, Beijing, China
| | - Xinwei Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China.,Graduate School, Capital Medical University, Beijing, China.,Beijing Institute of Traditional Chinese Medicine, Beijing, China
| | - Yong Tan
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
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5
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Wang Y, Ma XM, Wang X, Sun X, Wang LJ, Li XQ, Liu XY, Yu HS. Emerging Insights Into the Role of Epigenetics and Gut Microbiome in the Pathogenesis of Graves' Ophthalmopathy. Front Endocrinol (Lausanne) 2021; 12:788535. [PMID: 35069441 PMCID: PMC8766297 DOI: 10.3389/fendo.2021.788535] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022] Open
Abstract
Graves' Ophthalmopathy (GO) is an organ-specific autoimmune disease that is often characterized by infiltration of orbital tissues and is considered as the most common extra-thyroid manifestation of Graves' disease (GD). Although genetic susceptibility has been found to be critical for the phenotype of GO, the associated risk alleles in a single gene are generally insufficient to cause the disease. Accruing evidence has shown that epigenetic disorders can act as the potentially missing link between genetic risk and clinically significant disease development. Abnormal epigenetic modifications can lead to pro-inflammatory cascades and activation of orbital fibroblasts (OFs) by promoting the various inflammatory response pathways and regulating the diverse signaling molecules that are involved in the fibrogenesis and adipogenesis, thereby leading to the significant expansion of orbital tissues, fibrosis and inflammation infiltration. Additionally, emerging evidence has shown that the gut microbiome can possibly drive the pathogenesis of GO by influencing the secretion of Thyrotropin receptor antibody (TRAb) and T-helper 17 (Th17)/regulatory T cells (Treg) imbalance. This paper describes the latest epigenetic research evidence and progress made in comprehending the mechanisms of GO development, such as DNA methylation, histone modification, non-coding RNAs, and the gut microbiome.
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Affiliation(s)
- Yan Wang
- Department of Immunology, Special Key Laboratory of Ocular Diseases of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Xiao-Min Ma
- Department of Immunology, Special Key Laboratory of Ocular Diseases of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Xin Wang
- School of Basic Medical Sciences, Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Xin Sun
- School of Basic Medical Sciences, Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Ling-Jun Wang
- School of Basic Medical Sciences, Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Xin-Qi Li
- School of Basic Medical Sciences, Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Xiao-Yan Liu
- School of Basic Medical Sciences, Special Key Laboratory of Gene Detection and Therapy of Guizhou Province, Zunyi Medical University, Zunyi, China
| | - Hong-Song Yu
- Department of Immunology, Special Key Laboratory of Ocular Diseases of Guizhou Province, Zunyi Medical University, Zunyi, China
- *Correspondence: Hong-Song Yu,
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6
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Differential Microbial Pattern Description in Subjects with Autoimmune-Based Thyroid Diseases: A Pilot Study. J Pers Med 2020; 10:jpm10040192. [PMID: 33114469 PMCID: PMC7712884 DOI: 10.3390/jpm10040192] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 12/11/2022] Open
Abstract
The interaction between genetic susceptibility, epigenetic, endogenous, and environmental factors play a key role in the initiation and progression of autoimmune thyroid diseases (AITDs). Studies have shown that gut microbiota alterations take part in the development of autoimmune diseases. We have investigated the possible relationship between gut microbiota composition and the most frequent AITDs. A total of nine Hashimoto's thyroiditis (HT), nine Graves-Basedow's disease (GD), and 11 otherwise healthy donors (HDs) were evaluated. 16S rRNA pyrosequencing and bioinformatics analysis by Quantitative Insights into Microbial Ecology and Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt) were used to analyze the gut microbiota. Beta diversity analysis showed that gut microbiota from our groups was different. We observed an increase in bacterial richness in HT and a lower evenness in GD in comparison to the HDs. GD showed a significant increase of Fusobacteriaceae, Fusobacterium and Sutterella compared to HDs and the core microbiome features showed that Prevotellaceae and Prevotella characterized this group. Victivallaceae was increased in HT and was part of their core microbiome. Streptococcaceae, Streptococcus and Rikenellaceae were greater in HT compared to GD. Core microbiome features of HT were represented by Streptococcus, Alistipes, Anaerostipes, Dorea and Haemophilus. Faecalibacterium decreased in both AITDs compared to HDs. PICRUSt analysis demonstrated enrichment in the xenobiotics degradation, metabolism, and the metabolism of cofactors and vitamins in GD patients compared to HDs. Moreover, correlation studies showed that some bacteria were widely correlated with autoimmunity parameters. A prediction model evaluated a possible relationship between predominant concrete bacteria such as an unclassified genus of Ruminococcaceae, Sutterella and Faecalibacterium in AITDs. AITD patients present altered gut microbiota compared to HDs. These alterations could be related to the immune system development in AITD patients and the loss of tolerance to self-antigens.
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7
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Shi TT, Xin Z, Hua L, Zhao RX, Yang YL, Wang H, Zhang S, Liu W, Xie RR. Alterations in the intestinal microbiota of patients with severe and active Graves' orbitopathy: a cross-sectional study. J Endocrinol Invest 2019; 42:967-978. [PMID: 30674011 DOI: 10.1007/s40618-019-1010-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Accepted: 01/14/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND The intestinal microbiota was linked to autoimmune diseases. Graves' orbitopathy (GO) is an autoimmune disease that is usually associated with Graves' disease. However, information on the microbiome of GO patients is yet lacking. OBJECTIVES To investigate whether GO patients differ from healthy controls in the fecal microbiota. DESIGN A cross-sectional study. SETTING 33 patients with severe and active GO and 32 healthy controls of Han nationality were enrolled between March 2017 and March 2018. METHODS The Gut microbial communities of the fecal samples of GO patients and healthy controls were analyzed and compared by 16S rRNA gene sequencing. RESULTS Community diversity (Simpson and Shannon) was significantly reduced in fecal samples from patients with GO as compared to controls (p < 0.05). The similarity observed while assessing the community diversity (PCoA) proposed that the microbiota of patients with GO differ significantly from those of controls (p < 0.05). At the phyla levels, the proportion of Bacteroidetes increased significantly in patients with GO (p < 0.05), while at the genus and species levels, significant differences were observed in the bacterial profiles between the two groups (p < 0.05). LIMITATIONS Single-centered study design and limited fecal samples. CONCLUSIONS The present study indicated distinctive features of the gut microbiota in GO patients. The study provided evidence for further exploration in the field of intestinal microbiota with respect to the diagnosis and treatment of GO patients by modifying the microbiota profile.
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Affiliation(s)
- T-T Shi
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China
| | - Z Xin
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China.
| | - L Hua
- Department of Mathematics, School of Biomedical Engineering, Capital Medical University, Beijing, 100069, China.
| | - R-X Zhao
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China
| | - Y-L Yang
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China
| | - H Wang
- Department of Emergency, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - S Zhang
- Department of Pharmacy, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - W Liu
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China
| | - R-R Xie
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, 1 Dong Jiao Min Xiang, Beijing, 100730, China
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Huang S, Mao J, Zhou L, Xiong X, Deng Y. The imbalance of gut microbiota and its correlation with plasma inflammatory cytokines in pemphigus vulgaris patients. Scand J Immunol 2019; 90:e12799. [PMID: 31211854 PMCID: PMC9286422 DOI: 10.1111/sji.12799] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 05/08/2019] [Accepted: 06/09/2019] [Indexed: 12/20/2022]
Abstract
Pemphigus vulgaris (PV) is an autoimmune disease characterized by the production of IgG autoantibodies owing to an imbalance in the Th1/Th2 and Th17/Tregs cell pathways. The role of gut microbiota in the development of immune system and autoimmune diseases has been unraveled in the last two decades. However, data pertaining to gut microbiota of PV patients is largely lacking. We aimed to compare the gut microbiota of PV patients and healthy controls and assessed potential correlation with circulating cytokines of Th1/Th2/Th17 cell. Faecal bacterial diversity was analysed in 18 PV patients and 14 age‐ and gender‐matched healthy individuals using hypervariable tag sequencing of the V3‐V4 region of the 16S rRNA gene. Plasma levels of 20 inflammatory cytokines were assessed using the Luminex screening system. As a result, we identified 10 differentially abundant taxa between patients and controls. At the genera level, Lachnospiracea_incertae_sedis and Coprococcus decreased, while Granulicatella, Flavonifractor enriched in PV. Plasma levels of C5a, interleukin (IL)‐2R, IL‐6, IL‐8, IL‐7, IL‐1β, IL17A, IL‐5 and IL‐21 were significantly increased in PV Flavonifractor exhibited a positive correlation with C5a, IL‐6, IL‐8, IL‐7, IL‐1β, IL17A and IL‐21. Lachnospiracea_incertae_sedis and Coprococcus showed a negative correlation with IL‐17A. Our results are consistent with the hypothesis that PV patients have gut microbial dysbiosis which might contribute to the immune disorder and the development of PV.
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Affiliation(s)
- Shuli Huang
- Department of Dermatology & STD, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jing Mao
- Department of Dermatology & STD, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Lin Zhou
- Department of Dermatology & STD, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Xia Xiong
- Department of Dermatology & STD, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yongqiong Deng
- Department of Dermatology & STD, The Affiliated Hospital of Southwest Medical University, Luzhou, China
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Shi TT, Hua L, Wang H, Xin Z. The Potential Link between Gut Microbiota and Serum TRAb in Chinese Patients with Severe and Active Graves' Orbitopathy. Int J Endocrinol 2019; 2019:9736968. [PMID: 31933641 PMCID: PMC6942819 DOI: 10.1155/2019/9736968] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 11/07/2019] [Accepted: 11/11/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVE A previous study reported alterations in the intestinal microbiota in patients with Graves' orbitopathy (GO). Thyrotropin receptor autoantibody (TRAb) stimulates orbital and periorbital tissues and plays a pivotal role in the development of GO. However, the association between gut microbiota and TRAb in GO patients has still remained elusive. In this study, we explored the relationships between gut microbiota and GO-related traits, in which we applied a metabolic-network-driven analysis to identify GO trait-related modules and extracted significant operational taxonomic units (OTUs). METHODS In the present study, we profiled gut microbiota using 16S rRNA gene sequencing in 31 GO patients. We performed metabolic-network-driven analysis to investigate the association between gut microbiota and GO-related traits (e.g., TRAb, TGAb, and TPOAb) in the combination of microbial effects. RESULTS Applying microbiome network analysis of cooccurrence patterns and analysis of topological properties, we found that s_Prevotella_copri and f_Prevotellaceae showed a significant correlation with TRAb. In particular, we applied the latent class model to explore the association between gut microbiota and GO-related traits in the combination of microbial effects. It was revealed that the subjects involved in the latent class model with the higher abundance of s_Prevotella_copri and g_Bacteroides had a higher TRAb level. CONCLUSIONS Our results revealed the potential relationships between gut microbiota and GO-related traits in the combination of microbial effects. This study may provide a new insight into the interaction between the intestinal microbiota and TRAb-associated immune responses in GO patients.
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Affiliation(s)
- Ting-Ting Shi
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Lin Hua
- Department of Mathematics, School of Biomedical Engineering, Capital Medical University, Beijing, China
| | - Hua Wang
- Department of Emergency, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Zhong Xin
- Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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10
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Chen YJ, Ho HJ, Tseng CH, Lai ZL, Shieh JJ, Wu CY. Intestinal microbiota profiling and predicted metabolic dysregulation in psoriasis patients. Exp Dermatol 2018; 27:1336-1343. [PMID: 30238519 DOI: 10.1111/exd.13786] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 07/02/2018] [Accepted: 09/09/2018] [Indexed: 12/27/2022]
Abstract
OBJECTIVES The intestinal microbiota has been known to involve in obesity and host immune response. We aimed to investigate the intestinal microbiota and potential genetic function in relation to clinical presentation in psoriasis patients. METHODS Faecal microbiota and predicted genetic function inferred from high-throughput 16S ribosomal RNA sequencing were analysed between psoriasis (n = 32) and age-, gender- and body mass index (BMI)-matched non-psoriasis subjects (n = 64), from a referral medical centre. The correlation between altered microbiota and disease activity, arthritis and systemic anti-psoriatic drugs was also investigated. RESULTS We observed a distinct faecal microbial community structure in psoriasis patients, with an increased abundance of phylum Firmicutes and decreased abundance of phylum Bacteroidetes, across different subgroup of subjects. Ruminococcus and Megasphaera, of the phylum Firmicutes, were the top-two genera of discriminant abundance in psoriasis. A number of functional genes and metabolic pathways involving bacterial chemotaxis and carbohydrate transport were predicted over-represented, whereas genes related to cobalamin and iron transport were predicted under-represented in faecal microbiota of psoriasis patients. CONCLUSIONS The distinct faecal microbial composition in psoriasis might be associated with altered transport of carbohydrate, cobalamin and iron, as well as chemotaxis.
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Affiliation(s)
- Yi-Ju Chen
- Department of Dermatology, Taichung Veterans General Hospital, Taichung, Taiwan.,Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Hsiu J Ho
- Division of Translational Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | | | - Zi-Lun Lai
- Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Jeng-Jer Shieh
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan.,Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Chun-Ying Wu
- Faculty of Medicine and Graduate Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan.,Division of Translational Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Public Health and Graduate Institute of Clinical Medical Sciences, China Medical University, Taichung, Taiwan.,Department of Life Sciences and Rong Hsing Research Center for Translational Medicine, National Chung-Hsing University, Taichung, Taiwan
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11
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Dong X, Zheng Z, Zhai Y, Zheng Y, Ding J, Jiang J, Zhu P. ACPA mediates the interplay between innate and adaptive immunity in rheumatoid arthritis. Autoimmun Rev 2018; 17:845-853. [DOI: 10.1016/j.autrev.2018.02.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 02/20/2018] [Indexed: 01/17/2023]
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12
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Kinsey D, Paul CP, Taylor D, Caricchio R, Kulathinal RJ, Hayes-Conroy A. The whole lupus: Articulating biosocial interplay in systemic lupus erythematosus epidemiology and population disparities. Health Place 2018; 51:182-188. [DOI: 10.1016/j.healthplace.2018.03.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 03/22/2018] [Accepted: 03/27/2018] [Indexed: 01/23/2023]
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13
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Zhao F, Feng J, Li J, Zhao L, Liu Y, Chen H, Jin Y, Zhu B, Wei Y. Alterations of the Gut Microbiota in Hashimoto's Thyroiditis Patients. Thyroid 2018; 28:175-186. [PMID: 29320965 DOI: 10.1089/thy.2017.0395] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Hashimoto's thyroiditis (HT) is an organ-specific autoimmune disease in which both genetic predisposition and environmental factors serve as disease triggers. Many studies have indicated that alterations in the gut microbiota are important environmental factors in the development of inflammatory and autoimmune diseases. A comparative analysis was systematically performed of the gut microbiota in HT patients and healthy controls. METHODS First, a cross-sectional study of 28 HT patients and 16 matched healthy controls was conducted. Fecal samples were collected, and microbiota were analyzed using 16S ribosomal RNA gene sequencing. Second, an independent cohort of 22 HT patients and 11 healthy controls was used to evaluate the diagnostic potential of the selected biomarkers. RESULTS Similar levels of bacterial richness and diversity were found in the gut microbiota of HT patients and healthy controls (p = 0.11). A detailed fecal microbiota Mann-Whitney U-test (Q value <0.05) revealed that the abundance levels of Blautia, Roseburia, Ruminococcus_torques_group, Romboutsia, Dorea, Fusicatenibacter, and Eubacterium_hallii_group genera were increased in HT patients, whereas the abundance levels of Fecalibacterium, Bacteroides, Prevotella_9, and Lachnoclostridium genera were decreased. A correlation matrix based on the Spearman correlation distance confirmed correlations among seven clinical parameters. Additionally, the linear discriminant analysis effect size method showed significant differences in 27 genera between the two groups that were strongly correlated with clinical parameters. The linear discriminant analysis value was used to select the first 10 species from the 27 different genera as biomarkers, achieving area under the curve values of 0.91 and 0.88 for exploration and validation data, respectively. CONCLUSIONS Characterization of the gut microbiota in HT patients confirmed that HT patients have altered gut microbiota and that gut microbiota are correlated with clinical parameters, suggesting that microbiome composition data could be used for disease diagnosis. Further investigation is required to understand better the role of the gut microbiota in the pathogenesis of HT.
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Affiliation(s)
- Fuya Zhao
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Jing Feng
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Jun Li
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Lei Zhao
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Yang Liu
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Huinan Chen
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Ye Jin
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Biqiang Zhu
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
| | - Yunwei Wei
- Department of Oncological and Endoscopic Surgery, The First Affiliated Hospital of Harbin Medical University , Harbin, People's Republic of China
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14
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Chen B, Sun L, Zhang X. Integration of microbiome and epigenome to decipher the pathogenesis of autoimmune diseases. J Autoimmun 2017; 83:31-42. [DOI: 10.1016/j.jaut.2017.03.009] [Citation(s) in RCA: 92] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 03/15/2017] [Indexed: 02/07/2023]
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15
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Choi MY, Barber MRW, Barber CEH, Clarke AE, Fritzler MJ. Preventing the development of SLE: identifying risk factors and proposing pathways for clinical care. Lupus 2017; 25:838-49. [PMID: 27252260 DOI: 10.1177/0961203316640367] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Although challenging, developing evidence-based approaches to an early and accurate diagnosis of systemic lupus erythematosus is a key approach to preventing disease and lupus-associated morbidity and mortality. Advances in our understanding of preclinical and incomplete lupus erythematosus have enabled the identification of risk factors that may predict disease and the development of potential strategies aimed at primary prevention. Emerging data support the notion that there is a temporal disease progression from initial asymptomatic autoimmunity (preclinical lupus) through early clinical features of the disease (incomplete lupus erythematosus) to finally becoming fully classifiable systemic lupus erythematosus (complete lupus erythematosus). Here, we review the demographic, clinical, biomarker as well as genetic and environmental features that are reported to increase the risk of disease progression. Based on these risk factors, we propose a clinical care pathway for patients with early disease. We envisage that such a pathway, through early identification of disease, may improve patient outcomes, while reducing health care costs.
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Affiliation(s)
- M Y Choi
- University of Calgary, Cumming School of Medicine, Calgary, Canada
| | - M R W Barber
- University of Calgary, Cumming School of Medicine, Calgary, Canada
| | - C E H Barber
- University of Calgary, Cumming School of Medicine, Calgary, Canada
| | - A E Clarke
- University of Calgary, Cumming School of Medicine, Calgary, Canada
| | - M J Fritzler
- University of Calgary, Cumming School of Medicine, Calgary, Canada
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16
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Chen X, Liu S, Tan Q, Shoenfeld Y, Zeng Y. Microbiome, autoimmunity, allergy, and helminth infection: The importance of the pregnancy period. Am J Reprod Immunol 2017; 78. [PMID: 28224678 DOI: 10.1111/aji.12654] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 01/23/2017] [Indexed: 12/19/2022] Open
Abstract
Pregnancy is a special physical period in reproductive age women, which has a beneficial influence on the course of certain autoimmune diseases. It has been recently suggested that the microbiome undergoes profound changes during pregnancy that are associated with host physiological and immunological adaptations. The maternal microbiome remodeling during pregnancy is an active response of the mother, possibly to alter immune system status and to facilitate metabolic and immunological adaptations, which are needed for a successful pregnancy. In this review, we attempt to discuss (i) the role of maternal microbiome in pregnancy outcomes known to adversely influence neonatal and infant health, including preterm birth, cardiometabolic complications of pregnancy, and gestational weight gain; (ii) the association of microbiome with autoimmunity, allergy diseases, and asthma during pregnancy; and (iii) the impact of helminth infection during pregnancy.
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Affiliation(s)
- Xian Chen
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
| | - Su Liu
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
| | - Qiao Tan
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases Sheba Medical Center, Tel-Hashomer, Israel
| | - Yong Zeng
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
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17
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Nikitakis NG, Papaioannou W, Sakkas LI, Kousvelari E. The autoimmunity-oral microbiome connection. Oral Dis 2016; 23:828-839. [PMID: 27717092 DOI: 10.1111/odi.12589] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 09/29/2016] [Accepted: 09/30/2016] [Indexed: 12/17/2022]
Abstract
To date, there is a major effort in deciphering the role of complex microbial communities, especially the oral and gut microbiomes, in the pathogenesis of various diseases. Increasing evidence indicates a key role for the oral microbiome in autoimmune diseases. In this review article, we discuss links of the oral microbiota to a group of autoimmune diseases, that is, Sjögren's syndrome (SS), systemic lupus erythematosus (SLE), Crohn's disease (CD), and rheumatoid arthritis (RA). We particularly focus on factors that affect the balance between the immune system and the composition of microbiota leading to dysbiosis, loss of tolerance and subsequent autoimmune disease progression and maintenance.
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Affiliation(s)
- N G Nikitakis
- Department of Oral Pathology and Medicine, Dental School, University of Athens, Athens, Greece
| | | | - L I Sakkas
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - E Kousvelari
- Dental School, University of Athens, Athens, Greece
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18
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Simoniello MF, Contini L, Benavente E, Mastandrea C, Roverano S, Paira S. Different end-points to assess effects in systemic lupus erythematosus patients exposed to pesticide mixtures. Toxicology 2016; 376:23-29. [PMID: 27497885 DOI: 10.1016/j.tox.2016.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 07/21/2016] [Accepted: 08/03/2016] [Indexed: 12/11/2022]
Abstract
Systemic Lupus Erythematosus (SLE) is an autoimmune disease with high female predominance in reproductive years. It is characterized by a pronounced inflammation and production of a variety of autoantibodies. SLE pathogenesis is influenced by genes, hormones and environmental agents. The aim of this study was assess the possible effect of environmental pesticide mixtures in SLE patients. Oxidative DNA damage was measured using the comet assay modified by enzyme Endo III for detection of oxidized bases (Endo Sites), and oxidative stress by the measurement of the activity of catalase (CAT), superoxide dismutase (SOD) and lipid peroxidation (TBARS). Eighty-nine patients with diagnosis of SLE were included, 46% of them came from areas highly sprayed with pesticides and were compared with patients from urban areas with the same clinical and socio-demographic characteristics (p≥0.155). In order to identify factors that could predict DNA damage and oxidative stress, a binary logistic regression model with independent variables was developed: place of residence (p=0.007) have 75% of positive predictive value while smoking habit (p=0.186) have a 56% negative predictive value. The Odd Ratio (OR) obtained indicate that lupus patients living in rural areas presented 3.52 times more oxidative DNA damage compared to those living in the city. The prospects of applying biomarkers to assess exposure and biological effects, such as DNA damage and oxidative stress in autoimmune diseases, allow improving the characterization of individual risk.
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Affiliation(s)
- M F Simoniello
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
| | - L Contini
- Departamento de Matemática, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - E Benavente
- Servicio de Reumatología, Hospital Provincial Cullen, Santa Fe, Argentina
| | - C Mastandrea
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - S Roverano
- Servicio de Reumatología, Hospital Provincial Cullen, Santa Fe, Argentina
| | - S Paira
- Servicio de Reumatología, Hospital Provincial Cullen, Santa Fe, Argentina
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19
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Shamriz O, Mizrahi H, Werbner M, Shoenfeld Y, Avni O, Koren O. Microbiota at the crossroads of autoimmunity. Autoimmun Rev 2016; 15:859-69. [PMID: 27392501 DOI: 10.1016/j.autrev.2016.07.012] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Accepted: 06/01/2016] [Indexed: 12/20/2022]
Abstract
Autoimmune diseases have a multifactorial etiology including genetic and environmental factors. Recently, there has been increased appreciation of the critical involvement of the microbiota in the pathogenesis of autoimmunity, although in many cases, the cause and the consequence are not easy to distinguish. Here, we suggest that many of the known cues affecting the function of the immune system, such as genetics, gender, pregnancy and diet, which are consequently involved in autoimmunity, exert their effects by influencing, at least in part, the microbiota composition and activity. This, in turn, modulates the immune response in a way that increases the risk for autoimmunity in predisposed individuals. We further discuss current microbiota-based therapies.
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Affiliation(s)
- Oded Shamriz
- Pediatric Division, Hadassah-Hebrew University Medical Center, Ein Kerem, POB 12000 Kiryat Hadassah, 91120 Jerusalem, Israel
| | - Hila Mizrahi
- Faculty of Medicine, Bar-Ilan University, Henrietta Szold 8, Safed 1311502, Israel
| | - Michal Werbner
- Faculty of Medicine, Bar-Ilan University, Henrietta Szold 8, Safed 1311502, Israel
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Affiliated to the Sackler Faculty of Medicine Tel-Aviv University, Tel-Aviv, Israel
| | - Orly Avni
- Faculty of Medicine, Bar-Ilan University, Henrietta Szold 8, Safed 1311502, Israel.
| | - Omry Koren
- Faculty of Medicine, Bar-Ilan University, Henrietta Szold 8, Safed 1311502, Israel.
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20
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Sánchez B, Hevia A, González S, Margolles A. Interaction of Intestinal Microorganisms with the Human Host in the Framework of Autoimmune Diseases. Front Immunol 2015; 6:594. [PMID: 26635808 PMCID: PMC4653298 DOI: 10.3389/fimmu.2015.00594] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 11/05/2015] [Indexed: 01/03/2023] Open
Abstract
Autoimmune diseases, such as systemic lupus erythematosus (SLE), are caused by a complex interaction of environmental-, genetic-, and sex-related factors. Although SLE has traditionally been considered independent from the microbiota, recent work published during the last 5 years suggests a strong connection between SLE and the composition of our gut commensals as one of the main environmental factors linked to this disease. Preliminary data have evidenced that (i) interaction of certain microbial-derived molecules with specific cell receptors and (ii) the influence of certain commensal microorganisms over specific immune cell subsets plays an important role in the pathogenesis of SLE and SLE-like diseases. In addition, epigenetic changes driven by certain microbial groups have been recently proposed as an additional link between gut microbiota and SLE. As immune responses elicited against commensal bacteria are deeply dependent on the composition of the latter, and as microbial populations can be modified by dietary interventions, identifying the precise gut microorganisms responsible for worsening the SLE symptoms is of crucial importance for this and other SLE-related diseases, including antiphospholipid syndrome or lupus nephritis. In this minireview, the current knowledge on the relationships between microbes and SLE and SLE-related diseases is compiled and discussed.
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Affiliation(s)
- Borja Sánchez
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias, Consejo Superior de Investigaciones Científicas, Villaviciosa, Spain
| | - Arancha Hevia
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias, Consejo Superior de Investigaciones Científicas, Villaviciosa, Spain
| | - Sonia González
- Department of Functional Biology, University of Oviedo, Oviedo, Spain
| | - Abelardo Margolles
- Department of Microbiology and Biochemistry of Dairy Products, Instituto de Productos Lácteos de Asturias, Consejo Superior de Investigaciones Científicas, Villaviciosa, Spain
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