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Cheng L, Zhan H, Liu Y, Chen H, Zhang F, Zheng W, Li Y. Infectious agents and pathogenesis of Behçet's disease: An extensive review. Clin Immunol 2023; 251:109631. [PMID: 37127189 DOI: 10.1016/j.clim.2023.109631] [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: 02/27/2023] [Revised: 04/18/2023] [Accepted: 04/27/2023] [Indexed: 05/03/2023]
Abstract
Behçet's disease (BD) is a multisystemic chronic vasculitis. Sustained and enhanced immune responses were reportedly associated with active BD. Although genetic polymorphisms increase development risk, genetic factors alone cannot account for BD development, suggesting the involvement of exogenous factors. Also, how various infectious agents promote BD in high-risk populations is not fully understood. In this review, we summarized the current findings on the associations of infectious agents with BD pathogenesis. The review also highlights the potential microbial risk factors and their pathogenic role in BD progression. Interactions between genetic and infectious risk factors was also discussed. Furthermore, evidence implied that after the eradication of infectious agents, BD symptoms and recurrence decreased, thus highlighting that combined use of antibiotics may be an effective therapy for BD. Finally, we summarized the main limitation of the current related studies, providing valuable insights and a basis for future studies on BD pathogenic factors.
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Affiliation(s)
- Linlin Cheng
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Haoting Zhan
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yongmei Liu
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hua Chen
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Fengchun Zhang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Wenjie Zheng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China.
| | - Yongzhe Li
- Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
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Kalogeropoulos D, Barry R, Kalogeropoulos C. The association between intestinal microbiome and autoimmune uveitis. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2022; 97:264-275. [PMID: 35526950 DOI: 10.1016/j.oftale.2021.01.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 01/21/2021] [Indexed: 06/14/2023]
Abstract
INTRODUCTION AND OBJECTIVES The microbiome is strongly implicated in a wide spectrum of immune-mediated diseases, whereas gut commensal microbiota plays a pivotal role in immune and intestinal homeostasis. MATERIALS AND METHODS A thorough literature search was performed in PubMed database. An additional search was made in Google Scholar to complete the collected items. RESULTS Due to complex interactions with the host genetics and other factors, intestinal dysbiosis has been linked to various immune-mediated disorders. In particular, the role of intestinal microbiota in the pathogenesis of uveitis has been demonstrated by several studies, indicating that changes in the microbiome can trigger autoimmune ocular inflammatory processes or affect their severity. CONCLUSIONS This review summarizes how alterations in the intestinal microbiota can conduce to immune-mediated ocular pathologies and how microbiome can be targeted in order to form novel therapeutic approaches to treat these severe and potentially blinding conditions.
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Affiliation(s)
- D Kalogeropoulos
- Department of Ophthalmology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece.
| | - R Barry
- Institute of Clinical Sciences, University of Birmingham, College of Medical and Dental Sciences, Birmingham, United Kingdom; Department of Ophthalmology, Birmingham & Midland Eye Centre, Sandwell & West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom
| | - C Kalogeropoulos
- Department of Ophthalmology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
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Pellicano R, Ianiro G, Fagoonee S, Settanni CR, Gasbarrini A. Review: Extragastric diseases and Helicobacter pylori. Helicobacter 2020; 25 Suppl 1:e12741. [PMID: 32918343 DOI: 10.1111/hel.12741] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The involvement of Helicobacter pylori infection in many extra-gastroduodenal manifestations remains a fascinating field of investigation. However, for several of these supposed associations, the potential pathogenic mechanism remains unclear. The present review highlights the main associations of H pylori with extra-gastroduodenal manifestations reported during the last year. We searched for the most relevant studies on this topic, published between April 2019 and March 2020, identified using the term "Helicobacter" in the MEDLINE/Pubmed database. Consistent data emerged from studies investigating metabolic syndrome and ischaemic cardiovascular diseases. Other reported fields of investigation were hepatology, especially focused on non-alcoholic steatohepatitis, neurology, including Parkinson's disease and Alzheimer's disease, as well as dermatology. Inflammatory bowel disease (IBD), that comprises Crohn's disease and ulcerative colitis, may originate from a dysregulation of the host's immune response to commensal bacteria in individuals with genetic predisposition. The reduction of biodiversity and other specific imbalances in the faecal microbiome composition of IBD patients compared to that of healthy controls support this hypothesis. In this context, an inverse correlation between H pylori infection and IBD prevalence has been confirmed. Similar results were found in patients with kidney diseases and allergic manifestations. There are indications of the possible involvement of H pylori infection in metabolic syndrome and ischaemic cardiovascular diseases. However, due to a series of factors linked to study designs and the multifactorial pathogenesis of some diseases, further studies are needed.
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Affiliation(s)
| | - Gianluca Ianiro
- Digestive Disease Center, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University of Sacred Heart, Rome, Italy
| | - Sharmila Fagoonee
- Institute of Biostructure and Bioimaging (CNR) c/o Molecular Biotechnology Center, Turin, Italy
| | - Carlo R Settanni
- Digestive Disease Center, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University of Sacred Heart, Rome, Italy
| | - Antonio Gasbarrini
- Digestive Disease Center, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Catholic University of Sacred Heart, Rome, Italy
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Yu Y, Yao X, Liang J, Lu C, Yan T, Lin J. Is Helicobacter pylori associated with Behçet's syndrome? A meta-analysis. Helicobacter 2019; 24:e12663. [PMID: 31617289 DOI: 10.1111/hel.12663] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 09/21/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Preceding studies have reported the relationship between Helicobacter pylori (H pylori) and Behçet's syndrome (BS), but there still exists controversy. In this study, we firstly conducted a meta-analysis to clarify the relationship of these two diseases. METHODS Articles published until July 1, 2019, in the PubMed, MEDLINE, and Embase databases with restriction of English-language studies were searched and reviewed. According to the inclusion criteria, relevant statistical data were extracted and analyzed. RESULTS Six articles were finally included. The result showed that BS individuals were 1.39 times more susceptible to H pylori infection (OR = 1.39, 95% CI = (1.03, 1.87)). In addition, it found that oral ulceration (OR = 27.98, 95% CI = (3.49, 224.49)), genital ulceration (OR = 3.15, 95% CI = (1.51, 6.56)), and cutaneous lesions (OR = 4.29, 95% CI = (2.14, 8.61)) were alleviated after H pylori eradication. Publication bias and sensitivity analysis showed no statistical heterogeneity. CONCLUSIONS BS patients had higher rate of H pylori infection, and clinical symptoms including oral ulceration, genital ulceration, and cutaneous lesions can be improved after H pylori eradication. The results indicated that H pylori may be an etiological factor to BS.
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Affiliation(s)
- Ye Yu
- Division of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Xin Yao
- Division of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Junyu Liang
- Division of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chao Lu
- Division of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Tianlian Yan
- Division of Gastroenterology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jin Lin
- Division of Rheumatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Gheita TA, El-Latif EA, El-Gazzar II, Samy N, Hammam N, Abdel Noor RA, El-Shebeiny E, El-Najjar AR, Eesa NN, Salem MN, Ibrahim SE, El-Essawi DF, Elsaman AM, Fathi HM, Sallam RA, El-Shereef RR, Abd-Elazeem MI, Said EA, Khalil NM, Shahin D, El-Saadany HM, ElKhalifa MS, Nasef SI, Abdalla AM, Noshy N, Fawzy RM, Saad E, Moshrif AH, El-Shanawany AT, Abdel-Fattah YH, Khalil HM. Behçet’s disease in Egypt: a multicenter nationwide study on 1526 adult patients and review of the literature. Clin Rheumatol 2019; 38:2565-2575. [DOI: 10.1007/s10067-019-04570-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/14/2019] [Accepted: 04/18/2019] [Indexed: 12/19/2022]
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Lankarani KB, Honarvar B, Athari SS. The Mechanisms Underlying Helicobacter Pylori-Mediated Protection against Allergic Asthma. TANAFFOS 2017; 16:251-259. [PMID: 29849681 PMCID: PMC5971755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Helicobacter pylori, a gram negative pathogen, infects the stomach and gastrointestinal tract and causes pathological damage to these organs. H. pylori infection is more prevalent among people living in developing countries. Allergic asthma is a chronic inflammatory disease of the airways. Hyperinflation, hyperresponsiveness, and abnormal immunological and inflammatory processes in respiratory airways typically occur during an asthma attack. The results of recent studies have suggested an association between H. pylori and asthma risk. However, the role of H. pylori infection in the pathophysiology of asthma is still a matter of debate. The results of some studies indicate an association between H. pylori infection and protection against allergic asthma. Exposure to infectious agents might educate the immune system and provide protection against allergic diseases. H. pylori inflammation also changes gastric hormonal levels and could influence the autonomic nervous system. T-regs could be influenced by the immunological response to H. pylori and then inhibit the Th-2-mediated allergic response. Therefore, H. pylori might play a protective role against asthma. H. pylori can also reduce gastro-esophageal reflux, which is an asthma stimulator. High loads of H. pylori are not always present during infection. It is not definitely clear whether H. pylori is a pathogen or simply an opportunist. It has been suggested that early exposure to H. pylori prevents development of pediatric asthma. Therefore, it is possible that therapeutic products made from H. pylori can be used for the treatment or prevention of asthma.
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Affiliation(s)
- Kamran Bagheri Lankarani
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Behnam Honarvar
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Shamsadin Athari
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Immunology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
- Research Center for Food Hygiene and Safety, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Yorulmaz A, Kulcu SC. Helicobacter pylori and inflammatory skin diseases. World J Dermatol 2015; 4:120-128. [DOI: 10.5314/wjd.v4.i3.120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 05/21/2015] [Accepted: 07/02/2015] [Indexed: 02/06/2023] Open
Abstract
Throughout the history of mankind, infections have been the major cause of diseases. Over the last decades, not only the incidence of emerging infectious diseases have increased, but also tremendous strides have been made in understanding the biology of several pathogenic microorganisms. Helicobacter pylori (H. pylori) is a spiral-shaped, gram-negative bacterium, which infects over the half of the world’s population. H. pylori has been implicated in the pathogenesis of a number of gastrointestinal disorders. However, new researches have demonstrated that H. pylori is also involved in the pathogenesis of various extragastric diseases. The difference in the clinical outcome of H. pylori infection may be explained, at least in part, by host response to the infection and H. pylori virulence factors. It is obvious that as developments in the research on H. pylori spring up, an understanding of the pathophysiology of H. pylori infection will continue to be identified. Here in this review, we summarize the current knowledge about H. pylori and its association with inflammatory skin diseases.
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Khabbazi A, Noshad H, Shayan FK, Kavandi H, Hajialiloo M, Kolahi S. Demographic and clinical features of Behcet's disease in Azerbaijan. Int J Rheum Dis 2014; 21:1114-1119. [DOI: 10.1111/1756-185x.12512] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alireza Khabbazi
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Hamid Noshad
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Farid K. Shayan
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Hadise Kavandi
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Mehrzad Hajialiloo
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
| | - Sousan Kolahi
- Connective Tissue Diseases Research Center; Tabriz University of Medical Sciences; Tabriz Iran
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Doğan Z, Özdemir P, Ekşioğlu M, Filik L. Relationship between Helicobacter pylori infection and vitiligo: a prospective study. Am J Clin Dermatol 2014; 15:457-62. [PMID: 24985165 DOI: 10.1007/s40257-014-0087-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Helicobacter pylori is a worldwide bacteria that may affect several extra-gastric systems, including the endocrine, hematologic, vascular, respiratory, immune, and skin. Several skin diseases, including chronic urticaria, alopecia areata, psoriasis, and systemic lupus erythematosis have been found to be associated with H. pylori infection. AIM To our knowledge, there are no data showing an association between H. pylori and vitiligo. Therefore, in this study, we wanted to evaluate the relationship between H. pylori and vitiligo. METHODS This study is a prospective study carried out in our Gastroenterology and Dermatology and Venereology departments of the Ankara Education and Research Hospital (Ankara, Turkey) between July 2013 and December 2013. Seventy-nine consecutive patients with vitiligo and 72 patients with telogen effluvium (TE) were recruited from the dermatology outpatient clinic. A total of 133 patients with vitiligo (n=68) and TE (n=65) [excluding 18 patients who had suspicious urea breath test (UBT) results] were included in the study. All individuals were tested for H. pylori IgG and CagA. Also, a UBT was performed to detect the presence of H. pylori infection. RESULTS There were significantly higher rates of H. pylori positivity, H. pylori CagA, and IgG in serum in the vitiligo group than in the TE group (p<0.05). The number of patients with dyspepsia was significantly higher in the vitiligo group than in the TE group. No statistically significant relationship was seen between H. pylori positivity, CagA, H. pylori IgG, dyspepsia, and the Vitiligo Disease Activity score (p>0.05). Also, when patients with vitiligo were divided into localized and generalized types of vitiligo, there was no association between vitiligo involvement pattern and H. pylori positivity, CagA, H. pylori IgG, and dyspepsia (p>0.05). CONCLUSION Additional studies are necessary to evaluate the effect of H. pylori eradication on the clinical course of vitiligo. Further studies are also needed to explain the relationship between H. pylori and the pathogenesis of vitiligo.
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Affiliation(s)
- Zeynal Doğan
- Department of Gastroenterology, Ankara Training and Research Hospital, Sukriye District, Ulucanlar Street, Altındağ, Ankara 06230, Turkey,
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