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Ferruta A, Stangalino M. Embodied intersubjectivity: Forms of psyche-soma structuring in the encounter between self and other-than-self. THE INTERNATIONAL JOURNAL OF PSYCHOANALYSIS 2024; 105:455-474. [PMID: 39230497 DOI: 10.1080/00207578.2024.2362807] [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] [Accepted: 04/26/2024] [Indexed: 09/05/2024]
Abstract
This paper explores the mechanisms that lead to a destructive tendency in the formation and functioning of the psychic apparatus, to the characteristic states of subjects who are drawn to non-life. The dynamics of the primary mother-child relationship involve a structural interaction between mind and body, subject and object. The dialectic between the life drive and the death drive is conceptualized as the structuring of homeostatic dynamic equilibria, in which both drives belong to the living, provided they are kept in a non-isolated system. This conception has analogies with other disciplines that have changed their paradigms, such as neurobiology, which, for living beings in open systems, hypothesises a continuous interconnected Becoming of undivided separation and of discontinuity. In unitary psyche-soma functioning, a dynamic homoeostatic balance marks the state of health of the relating subject; or if, instead, the system is isolated, a pathological dysregulation depending on the emotional-affective vicissitudes it undergoes. Two clinical cases illustrate these dynamics. For this tendency on the level of the somatopsychic unit, the name alloiosis has been put forward, in analogy with cellular apoptosis.
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Affiliation(s)
- Anna Ferruta
- Italian Psychoanalytical Society (SPI), Milano, Italy
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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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Singh M, Wambua S, Lee SI, Okoth K, Wang Z, Fayaz FFA, Eastwood KA, Nelson-Piercy C, Reynolds JA, Nirantharakumar K, Crowe F. Autoimmune diseases and adverse pregnancy outcomes: an umbrella review. BMC Med 2024; 22:94. [PMID: 38438886 PMCID: PMC10913233 DOI: 10.1186/s12916-024-03309-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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 02/19/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND There is a high prevalence of autoimmune conditions in women specially in the reproductive years; thus, the association with adverse pregnancy outcomes has been widely studied. However, few autoimmune conditions/adverse outcomes have been studied more than others, and this umbrella review aims to consolidate existing knowledge in this area with the aim to provide new knowledge and also identify gaps in this research area. METHODS Medline, Embase, and Cochrane databases were searched from inception to December 2023. Screening, data extraction, and quality appraisal (AMSTAR 2) were done by two independent reviewers. Data were synthesised narratively and quantitatively. Relative risks (RR)/odds ratio (OR) with 95% confidence intervals were reported. RESULTS Thirty-two reviews were included consisting of 709 primary studies. The review reported the association between 12 autoimmune conditions and 16 adverse pregnancy outcomes. Higher risk of miscarriage is reported in women with Sjögren's syndrome RR 8.85 (95% CI 3.10-25.26) and systemic lupus erythematosus (SLE) OR 4.90 (3.10-7.69). Pre-eclampsia was reported higher in women with type 1 diabetes mellitus (T1DM) OR 4.19 (3.08-5.71) and SLE OR 3.20 (2.54-4.20). Women reported higher risk of diabetes during pregnancy with inflammatory bowel disease (IBD) OR 2.96 (1.47-5.98). There was an increased risk of intrauterine growth restriction in women with systemic sclerosis OR 3.20 (2.21-4.53) and coeliac disease OR 1.71 (1.36-2.14). Preterm birth was associated with T1DM OR 4.36 (3.72-5.12) and SLE OR 2.79 (2.07-3.77). Low birth weight babies were reported in women with women with SLE or systemic sclerosis OR 5.95 (4.54-7.80) and OR 3.80 (2.16-6.56), respectively. There was a higher risk of stillbirth in women with T1DM OR 3.97 (3.44-4.58), IBD OR 1.57 (1.03-2.38), and coeliac disease OR 1.57 (1.17-2.10). T1DM in women was associated with 32% lower odds of small for gestational age baby OR 0.68 (0.56-0.83). CONCLUSIONS Pregnant women with autoimmune conditions are at a greater risk of developing adverse pregnancy outcomes. Further research is required to develop better preconception to postnatal care for women with autoimmune conditions.
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Affiliation(s)
- Megha Singh
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Steven Wambua
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Siang Ing Lee
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Kelvin Okoth
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Zhaonan Wang
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | | | - Kelly-Ann Eastwood
- Centre for Public Health, University of Belfast, Belfast, Queen, BT7 1NN, UK
- Michael's Hospital, University Hospitals Bristol NHS Foundation Trust, Bristol, BS2 8EG, UK
| | | | - John A Reynolds
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | | | - Francesca Crowe
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
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Dauchy RT, Hanifin JP, Brainard GC, Blask DE. Light: An Extrinsic Factor Influencing Animal-based Research. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2024; 63:116-147. [PMID: 38211974 PMCID: PMC11022951 DOI: 10.30802/aalas-jaalas-23-000089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 01/13/2024]
Abstract
Light is an environmental factor that is extrinsic to animals themselves and that exerts a profound influence on the regulation of circadian, neurohormonal, metabolic, and neurobehavioral systems of all animals, including research animals. These widespread biologic effects of light are mediated by distinct photoreceptors-rods and cones that comprise the conventional visual system and melanopsin-containing intrinsically photosensitive retinal ganglion cells (ipRGCs) of the nonvisual system that interact with the rods and cones. The rods and cones of the visual system, along with the ipRGCs of the nonvisual system, are species distinct in terms of opsins and opsin concentrations and interact with one another to provide vision and regulate circadian rhythms of neurohormonal and neurobehavioral responses to light. Here, we review a brief history of lighting technologies, the nature of light and circadian rhythms, our present understanding of mammalian photoreception, and current industry practices and standards. We also consider the implications of light for vivarium measurement, production, and technological application and provide simple recommendations on artificial lighting for use by regulatory authorities, lighting manufacturers, designers, engineers, researchers, and research animal care staff that ensure best practices for optimizing animal health and well-being and, ultimately, improving scientific outcomes.
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Key Words
- blad, blue-enriched led light at daytime
- clock, circadian locomotor output kaput
- cct, correlated color temperature
- cwf, cool white fluorescent
- ign, intergeniculate nucleus
- iprgc, intrinsically photosensitive retinal ganglion cell
- hiomt, hydroxyindole-o-methyltransferase
- k, kelvin temperature
- lan, light at night
- led, light-emitting diode
- lgn, lateral geniculate nucleus
- plr, pupillary light reflex
- pot, primary optic tract
- rht, retinohypothalamic tract
- scn, suprachiasmatic nuclei
- spd, spectral power distribution.
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Affiliation(s)
- Robert T Dauchy
- Department of Structural and Cellular Biology, Laboratory of Chrono-Neuroendocrine Oncology, Tulane University School of Medicine, New Orleans, Louisiana;,
| | - John P Hanifin
- Department of Neurology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - George C Brainard
- Department of Neurology, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - David E Blask
- Department of Structural and Cellular Biology, Laboratory of Chrono-Neuroendocrine Oncology, Tulane University School of Medicine, New Orleans, Louisiana
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Liu S, He M, Jiang J, Duan X, Chai B, Zhang J, Tao Q, Chen H. Triggers for the onset and recurrence of psoriasis: a review and update. Cell Commun Signal 2024; 22:108. [PMID: 38347543 PMCID: PMC10860266 DOI: 10.1186/s12964-023-01381-0] [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: 08/15/2023] [Accepted: 11/02/2023] [Indexed: 02/15/2024] Open
Abstract
Psoriasis is an immune-mediated inflammatory skin disease, involving a complex interplay between genetic and environmental factors. Previous studies have demonstrated that genetic factors play a major role in the pathogenesis of psoriasis. However, non-genetic factors are also necessary to trigger the onset and recurrence of psoriasis in genetically predisposed individuals, which include infections, microbiota dysbiosis of the skin and gut, dysregulated lipid metabolism, dysregulated sex hormones, and mental illness. Psoriasis can also be induced by other environmental triggers, such as skin trauma, unhealthy lifestyles, and medications. Understanding how these triggers play a role in the onset and recurrence of psoriasis provides insights into psoriasis pathogenesis, as well as better clinical administration. In this review, we summarize the triggers for the onset and recurrence of psoriasis and update the current evidence on the underlying mechanism of how these factors elicit the disease. Video Abstract.
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Grants
- No.82173423, No.81974475, No.82103731 the National Natural Science Foundation of China
- No.82173423, No.81974475, No.82103731 the National Natural Science Foundation of China
- No.82173423, No.81974475, No.82103731 the National Natural Science Foundation of China
- Basic Research Project, No. JCYJ20190809103805589 Shenzhen Natural Science Foundation
- Basic Research Project, No. JCYJ20190809103805589 Shenzhen Natural Science Foundation
- Basic Research Project, No. JCYJ20190809103805589 Shenzhen Natural Science Foundation
- Key Project, No.2019003 Shenzhen Nanshan District Science and Technology Project
- Key Project, No.2019003 Shenzhen Nanshan District Science and Technology Project
- Key Project, No.2019003 Shenzhen Nanshan District Science and Technology Project
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Affiliation(s)
- Suwen Liu
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Mengwen He
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 518052, China
| | - Jian Jiang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaoru Duan
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bao Chai
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 518052, China
- Department of Dermatology, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, 518052, China
| | - Jingyu Zhang
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 518052, China
- Department of Dermatology, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, 518052, China
| | - Qingxiao Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hongxiang Chen
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Department of Dermatology, Huazhong University of Science and Technology Union Shenzhen Hospital, Shenzhen, 518052, China.
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Zhang F, Cui Y, Gao X. Time trends in the burden of autoimmune diseases across the BRICS: an age-period-cohort analysis for the GBD 2019. RMD Open 2023; 9:e003650. [PMID: 38056916 DOI: 10.1136/rmdopen-2023-003650] [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: 08/30/2023] [Accepted: 11/05/2023] [Indexed: 12/08/2023] Open
Abstract
BACKGROUND This study aims to evaluate the long-term trend of prevalence and DALY (disability-adjusted life-year) rate on the age, period and cohort (APC) of the BRICS (Brazil, Russia, India, China and South Africa) country for autoimmune diseases (rheumatoid arthritis (RA), inflammatory bowel disease (IBD), multiple sclerosis (MS) and psoriasis). METHODS The data are sourced from the Global Burden of Disease Study 2019, and it uses the Joinpoint regression model to estimate the time trends of autoimmune diseases from 1990 to 2019. Additionally, it employs the Age-Period-Cohort (APC) model to estimate the age, period, and cohort effects from 1990 to 2019. RESULTS For 1990 to 2019, the ASPR (age-standardised prevalence rate) of IBD increased significantly for China and South Africa, and decreased significantly for Brazil, India, Russian. The Russian ASPR of MS demonstrated a significantly decreasing trend (average annual percent change=-0.5%, 95% CI -0.6 to -0.5), with the most increased occurring in Brazil at 2009-2014. The cohort effect on DALY rates for Psoriasis displayed an ongoing decreasing trend from the 1929-1933 birth cohort to the 1999-2003 birth cohort. Specifically, the five countries relative risk values (RRs) of DALYs due to RA increased significantly by 7.98, 16.07, 5.98, 3.19, 9.13 times, from 20 to 24 age group to 65 to 69 age group. CONCLUSIONS The population of the BRICS countries accounts for more than 40% of the global population. And we found that the age effect of various autoimmune diseases is heavily influenced by population ageing.
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Affiliation(s)
- Fenghao Zhang
- Department of Neonatology, Xiangtan Central Hospital, Xiangtan, Hunan, China
| | - Yiran Cui
- Department of Epidemiology and Medical Statistics, Xiangya School of Public Health, Central South university, Changsha, China
| | - Xiao Gao
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, Hunan, China
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Czaja AJ. Incorporating the Molecular Mimicry of Environmental Antigens into the Causality of Autoimmune Hepatitis. Dig Dis Sci 2023:10.1007/s10620-023-07967-5. [PMID: 37160542 PMCID: PMC10169207 DOI: 10.1007/s10620-023-07967-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/01/2023] [Indexed: 05/11/2023]
Abstract
Molecular mimicry between foreign and self-antigens has been implicated as a cause of autoimmune hepatitis in experimental models and cross-reacting antibodies in patients. This review describes the experimental and clinical evidence for molecular mimicry as a cause of autoimmune hepatitis, indicates the limitations and uncertainties of this premise, and encourages investigations that assess diverse environmental antigens as sources of disease-relevant molecular mimics. Pertinent articles were identified in PubMed using multiple search phrases. Several pathogens have linear or conformational epitopes that mimic the self-antigens of autoimmune hepatitis. The occurrence of an acute immune-mediated hepatitis after vaccination for severe acute respiratory syndrome (SARS)-associated coronavirus 2 (SARS-CoV-2) has suggested that vaccine-induced peptides may mimic disease-relevant tissue antigens. The intestinal microbiome is an under-evaluated source of gut-derived antigens that could also engage in molecular mimicry. Chaperone molecules may enhance the pathogenicity of molecular mimics, and they warrant investigation. Molecular mimics of immune dominant epitopes within cytochrome P450 IID6, the autoantigen most closely associated with autoimmune hepatitis, should be sought in diverse environmental antigens and assessed for pathogenicity. Avoidance strategies, dietary adjustments, vaccine improvement, and targeted manipulation of the intestinal microbiota may emerge as therapeutic possibilities. In conclusion, molecular mimicry may be a missing causality of autoimmune hepatitis. Molecular mimics of key immune dominant epitopes of disease-specific antigens must be sought in diverse environmental antigens. The ubiquity of molecular mimicry compels rigorous assessments of peptide mimics for immunogenicity and pathogenicity in experimental models. Molecular mimicry may complement epigenetic modifications as causative mechanisms of autoimmune hepatitis.
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Affiliation(s)
- Albert J Czaja
- Professor Emeritus of Medicine, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA.
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Zhang X, Liu Y, Zhang T, Tan Y, Dai X, Yang YG, Zhang X. Advances in the potential roles of Cullin-RING ligases in regulating autoimmune diseases. Front Immunol 2023; 14:1125224. [PMID: 37006236 PMCID: PMC10064048 DOI: 10.3389/fimmu.2023.1125224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023] Open
Abstract
Cullin-RING ligases (CRLs) are the largest class of E3 ubiquitin ligases regulating the stability and subsequent activity of a large number of important proteins responsible for the development and progression of various diseases, including autoimmune diseases (AIDs). However, the detailed mechanisms of the pathogenesis of AIDs are complicated and involve multiple signaling pathways. An in-depth understanding of the underlying regulatory mechanisms of the initiation and progression of AIDs will aid in the development of effective therapeutic strategies. CRLs play critical roles in regulating AIDs, partially by affecting the key inflammation-associated pathways such as NF-κB, JAK/STAT, and TGF-β. In this review, we summarize and discuss the potential roles of CRLs in the inflammatory signaling pathways and pathogenesis of AIDs. Furthermore, advances in the development of novel therapeutic strategies for AIDs through targeting CRLs are also highlighted.
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Affiliation(s)
- Xiaoying Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Yu’e Liu
- Tongji University Cancer Center, Shanghai Tenth People’s Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, China
| | - Tong Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Yuying Tan
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
| | - Xiangpeng Dai
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
- *Correspondence: Xiangpeng Dai, ; Yong-Guang Yang, ; Xiaoling Zhang,
| | - Yong-Guang Yang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
- International Center of Future Science, Jilin University, Changchun, China
- *Correspondence: Xiangpeng Dai, ; Yong-Guang Yang, ; Xiaoling Zhang,
| | - Xiaoling Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital, Jilin University, Changchun, China
- *Correspondence: Xiangpeng Dai, ; Yong-Guang Yang, ; Xiaoling Zhang,
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Innate and adaptive immune abnormalities underlying autoimmune diseases: the genetic connections. SCIENCE CHINA. LIFE SCIENCES 2023:10.1007/s11427-021-2187-3. [PMID: 36738430 PMCID: PMC9898710 DOI: 10.1007/s11427-021-2187-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/10/2022] [Indexed: 02/05/2023]
Abstract
With the exception of an extremely small number of cases caused by single gene mutations, most autoimmune diseases result from the complex interplay between environmental and genetic factors. In a nutshell, etiology of the common autoimmune disorders is unknown in spite of progress elucidating certain effector cells and molecules responsible for pathologies associated with inflammatory and tissue damage. In recent years, population genetics approaches have greatly enriched our knowledge regarding genetic susceptibility of autoimmunity, providing us with a window of opportunities to comprehensively re-examine autoimmunity-associated genes and possible pathways. In this review, we aim to discuss etiology and pathogenesis of common autoimmune disorders from the perspective of human genetics. An overview of the genetic basis of autoimmunity is followed by 3 chapters detailing susceptibility genes involved in innate immunity, adaptive immunity and inflammatory cell death processes respectively. With such attempts, we hope to expand the scope of thinking and bring attention to lesser appreciated molecules and pathways as important contributors of autoimmunity beyond the 'usual suspects' of a limited subset of validated therapeutic targets.
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Safety and efficacy of immune checkpoint inhibitors in advanced cancer patients with autoimmune disease: A meta-analysis. Hum Vaccin Immunother 2022; 18:2145102. [PMID: 36471629 PMCID: PMC9762847 DOI: 10.1080/21645515.2022.2145102] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Cancer patients with autoimmune disease (AID) are usually excluded from clinical trials involving immune checkpoint inhibitors (ICIs). The available electronic databases were systematically searched from inception until July 3, 2022. We recorded the incidence of immune-related adverse events (irAEs), progression-free survival (PFS), and overall survival (OS) data of included studies. This meta-analysis included 14 studies comprising 11511 participants; however, only 8716 participants were treated with ICI. Therefore, the analysis was conducted on 8716 patients (769 patients with AID compared to 7947 patients without AID). The pooled risk ratio (RR) for any grade and grade ≥3 irAEs was 1.74 (95% confidence interval [CI]: 1.27-2.37) and 1.43 (95% CI: 1.10-1.88), respectively. The irAEs in the same system as that of the AID were referred to as AID-homogeneous irAEs; in the other cases, there were referred to as AID-heterogeneous irAEs. Subgroup analysis found that the higher risk of AID-homogeneous irAEs contributed to the higher risk of overall irAEs among patients with AID. The pooled hazard ratio (HR) for PFS and OS was 1.09 (95% CI: 0.96-1.24) and 1.07 (95% CI: 0.94-1.22), respectively. The results of PFS and OS subgroup analyses matched the overall results. Patients with AID had a significantly higher risk of developing any grade and ≥3 grade irAEs under ICI therapy, specifically AID-homogeneous irAEs; however, the frequency of AID-heterogeneous irAEs in patients with AID was similar to irAEs in patients without AID. No statistically significant differences in PFS and OS were observed between the two groups.
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Jou E, Rodriguez-Rodriguez N, McKenzie ANJ. Emerging roles for IL-25 and IL-33 in colorectal cancer tumorigenesis. Front Immunol 2022; 13:981479. [PMID: 36263033 PMCID: PMC9573978 DOI: 10.3389/fimmu.2022.981479] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/15/2022] [Indexed: 12/31/2022] Open
Abstract
Colorectal cancer (CRC) is the second leading cause of cancer-related death worldwide, and is largely refractory to current immunotherapeutic interventions. The lack of efficacy of existing cancer immunotherapies in CRC reflects the complex nature of the unique intestinal immune environment, which serves to maintain barrier integrity against pathogens and harmful environmental stimuli while sustaining host-microbe symbiosis during homeostasis. With their expression by barrier epithelial cells, the cytokines interleukin-25 (IL-25) and IL-33 play key roles in intestinal immune responses, and have been associated with inappropriate allergic reactions, autoimmune diseases and cancer pathology. Studies in the past decade have begun to uncover the important roles of IL-25 and IL-33 in shaping the CRC tumour immune microenvironment, where they may promote or inhibit tumorigenesis depending on the specific CRC subtype. Notably, both IL-25 and IL-33 have been shown to act on group 2 innate lymphoid cells (ILC2s), but can also stimulate an array of other innate and adaptive immune cell types. Though sometimes their functions can overlap they can also produce distinct phenotypes dependent on the differential distribution of their receptor expression. Furthermore, both IL-25 and IL-33 modulate pathways previously known to contribute to CRC tumorigenesis, including angiogenesis, tumour stemness, invasion and metastasis. Here, we review our current understanding of IL-25 and IL-33 in CRC tumorigenesis, with specific focus on dissecting their individual function in the context of distinct subtypes of CRC, and the potential prospects for targeting these pathways in CRC immunotherapy.
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Affiliation(s)
- Eric Jou
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
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12
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Drenovska K, Ivanova M, Vassileva S, Shahid MA, Naumova E. Association of specific HLA alleles and haplotypes with pemphigus vulgaris in the Bulgarian population. Front Immunol 2022; 13:901386. [PMID: 35983062 PMCID: PMC9378788 DOI: 10.3389/fimmu.2022.901386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Pemphigus vulgaris (PV) is an autoimmune bullous dermatosis with uneven geographic distribution and higher incidence in certain populations. In previous studies, a relatively high incidence of PV was reported in Bulgaria (0.47/100,000/year) comparable to that in other countries. The genetic background was considered responsible for the disease susceptibility, and multiple reports have proven PV to be an HLA-associated condition. The aim of our study was to analyze the role of genetic factors in the development of PV in Bulgaria. HLA genotyping was performed in 56 PV patients, ethnic Bulgarians whose diagnosis was confirmed based on clinical, histological, and immunofluorescent findings. The control group consisted of 204 healthy individuals from the Bulgarian population without evidence for HLA-associated autoimmune diseases. HLA-A,-B,-DRB1,-DQB1 analysis was performed by PCR-SSP. Our results revealed predisposing associations with DRB1*14, DRB1*04:02, and B*38, B*55, while allele DRB1*03:01 and the corresponding haplotypes were significantly decreased in the PV patients. The predisposing role of these alleles has been observed in other populations. All reported predisposing DRB1 alleles have the same amino acids at key positions of the beta chain of the HLA molecules, 26 (Phe), 67 (Leu or Ileu), 70 and 71 (hydrophobic AA: Gln, Arg, Asp, or Glu), and 86 (Val), which is important for the selective presentation of desmoglein 3 peptides. Additionally, specific alleles HLA-A*01 and DRB1*11 were identified with decreased frequencies in the patients’ group, the last one being a common protective allele for autoimmune diseases in the Bulgarian population. The elucidation of the role of genetic factors for the development of pemphigus will help explain its higher incidence and clinical variability in certain populations.
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Affiliation(s)
- Kossara Drenovska
- Department of Dermatology and Venereology, University Hospital “Alexandrovska”, Medical Faculty, Medical University - Sofia, Sofia, Bulgaria
- *Correspondence: Kossara Drenovska,
| | - Milena Ivanova
- Department of Clinical Immunology, University Hospital “Alexandrovska”, Medical Faculty, Medical University – Sofia, Sofia, Bulgaria
| | - Snejina Vassileva
- Department of Dermatology and Venereology, University Hospital “Alexandrovska”, Medical Faculty, Medical University - Sofia, Sofia, Bulgaria
| | - Martin Abu Shahid
- Department of Dermatology and Venereology, University Hospital “Alexandrovska”, Medical Faculty, Medical University - Sofia, Sofia, Bulgaria
| | - Elissaveta Naumova
- Department of Clinical Immunology, University Hospital “Alexandrovska”, Medical Faculty, Medical University – Sofia, Sofia, Bulgaria
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13
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Winters NC. Autoimmunity and its expression in the analytic situation: A contemporary reflection on our inherent self-destructiveness. THE INTERNATIONAL JOURNAL OF PSYCHOANALYSIS 2022; 103:558-580. [PMID: 35997055 DOI: 10.1080/00207578.2022.2100785] [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: 10/15/2022]
Abstract
This article explores the psychical expression of autoimmunity in the analytic situation; it is informed by biological theories of autoimmunity in contemporary immunology. Several of my patients developed autoimmune conditions in the course of their analyses, leading me to consider the role of psychical change in disrupting one's somatopsychic equilibrium. In the psychoanalytic literature, autoimmunity is used metaphorically for attack against what is foreign or unwanted in ourselves. Contemporary immunology, however, suggests a somewhat different metaphor. "Self-reactive" cells present in the body may attack self unless suppressed by inhibitory mechanisms. Biologically, limited self-destructiveness is necessary, but in autoimmune disease it becomes excessive and pathological. I suggest that the presence of biological "self-reactivity" implies an inherent self-destructiveness in line with Freud's thinking on the death instinct; the notion that this self-destructiveness also has adaptive aspects may contribute to our understanding of Freud's ideas. In three vignettes I illustrate clinical application of a modified metaphor of autoimmunity, finding that not only is the fusion of life and death instincts important for psychic development, but so is defusion when contained within the analytic relationship. The analytic task is to restore the balance between constructive and pathological self-destructiveness. Implications regarding controversies in psychosomatic theory are briefly considered.
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Affiliation(s)
- Nancy C Winters
- Training/Supervising Analyst, Oregon Psychoanalytic Institute, Portland, USA.,Clinical Professor, Oregon Health & Science Univ., Portland, USA
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14
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Arleevskaya M, Takha E, Petrov S, Kazarian G, Renaudineau Y, Brooks W, Larionova R, Korovina M, Valeeva A, Shuralev E, Mukminov M, Kravtsova O, Novikov A. Interplay of Environmental, Individual and Genetic Factors in Rheumatoid Arthritis Provocation. Int J Mol Sci 2022; 23:ijms23158140. [PMID: 35897715 PMCID: PMC9329780 DOI: 10.3390/ijms23158140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 02/05/2023] Open
Abstract
In this review, we explore systemization of knowledge about the triggering effects of non-genetic factors in pathogenic mechanisms that contribute to the development of rheumatoid arthritis (RA). Possible mechanisms involving environmental and individual factors in RA pathogenesis were analyzed, namely, infections, mental stress, sleep deprivation ecology, age, perinatal and gender factors, eating habits, obesity and smoking. The non-genetic factors modulate basic processes in the body with the impact of these factors being non-specific, but these common challenges may be decisive for advancement of the disease in the predisposed body at risk for RA. The provocation of this particular disease is associated with the presence of congenital loci minoris resistentia. The more frequent non-genetic factors form tangles of interdependent relationships and, thereby, several interdependent external factors hit one vulnerable basic process at once, either provoking or reinforcing each other. Understanding the specific mechanisms by which environmental and individual factors impact an individual under RA risk in the preclinical stages can contribute to early disease diagnosis and, if the factor is modifiable, might be useful for the prevention or delay of its development.
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Affiliation(s)
- Marina Arleevskaya
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
- Correspondence: ; Tel.: +7-89172-886-679; Fax: +7-843-238-5413
| | - Elena Takha
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Sergey Petrov
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Gevorg Kazarian
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Yves Renaudineau
- Department of Immunology, CHU Toulouse, INSERM U1291, CNRS U5051, University Toulouse IIII, 31000 Toulouse, France;
| | - Wesley Brooks
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA;
| | - Regina Larionova
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Marina Korovina
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
| | - Anna Valeeva
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Eduard Shuralev
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Malik Mukminov
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Olga Kravtsova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
| | - Andrey Novikov
- Mathematical Center, Sobolev Instiute of Mathematics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia;
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15
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Onisiforou A, Spyrou GM. Immunomodulatory effects of microbiota-derived metabolites at the crossroad of neurodegenerative diseases and viral infection: network-based bioinformatics insights. Front Immunol 2022; 13:843128. [PMID: 35928817 PMCID: PMC9344014 DOI: 10.3389/fimmu.2022.843128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Bidirectional cross-talk between commensal microbiota and the immune system is essential for the regulation of immune responses and the formation of immunological memory. Perturbations of microbiome-immune system interactions can lead to dysregulated immune responses against invading pathogens and/or to the loss of self-tolerance, leading to systemic inflammation and genesis of several immune-mediated pathologies, including neurodegeneration. In this paper, we first investigated the contribution of the immunomodulatory effects of microbiota (bacteria and fungi) in shaping immune responses and influencing the formation of immunological memory cells using a network-based bioinformatics approach. In addition, we investigated the possible role of microbiota-host-immune system interactions and of microbiota-virus interactions in a group of neurodegenerative diseases (NDs): Amyotrophic Lateral Sclerosis (ALS), Multiple Sclerosis (MS), Parkinson’s disease (PD) and Alzheimer’s disease (AD). Our analysis highlighted various aspects of the innate and adaptive immune response systems that can be modulated by microbiota, including the activation and maturation of microglia which are implicated in the development of NDs. It also led to the identification of specific microbiota components which might be able to influence immune system processes (ISPs) involved in the pathogenesis of NDs. In addition, it indicated that the impact of microbiota-derived metabolites in influencing disease-associated ISPs, is higher in MS disease, than in AD, PD and ALS suggesting a more important role of microbiota mediated-immune effects in MS.
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16
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Ortíz-Fernández L, Martín J, Alarcón-Riquelme ME. A Summary on the Genetics of Systemic Lupus Erythematosus, Rheumatoid Arthritis, Systemic Sclerosis, and Sjögren's Syndrome. Clin Rev Allergy Immunol 2022; 64:392-411. [PMID: 35749015 DOI: 10.1007/s12016-022-08951-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2022] [Indexed: 11/03/2022]
Abstract
Systemic lupus erythematosus, systemic sclerosis, rheumatoid arthritis, and Sjögren's syndrome are four major autoimmune rheumatic diseases characterized by the presence of autoantibodies, caused by a dysregulation of the immune system that leads to a wide variety of clinical manifestations. These conditions present complex etiologies strongly influenced by multiple environmental and genetic factors. The human leukocyte antigen (HLA) region was the first locus identified to be associated and still represents the strongest susceptibility factor for each of these conditions, particularly the HLA class II genes, including DQA1, DQB1, and DRB1, but class I genes have also been associated. Over the last two decades, the genetic component of these disorders has been extensively investigated and hundreds of non-HLA risk genetic variants have been uncovered. Furthermore, it is widely accepted that autoimmune rheumatic diseases share molecular disease pathways, such as the interferon (IFN) type I pathways, which are reflected in a common genetic background. Some examples of well-known pleiotropic loci for autoimmune rheumatic diseases are the HLA region, DNASEL13, TNIP1, and IRF5, among others. The identification of the causal molecular mechanisms behind the genetic associations is still a challenge. However, recent advances have been achieved through mouse models and functional studies of the loci. Here, we provide an updated overview of the genetic architecture underlying these four autoimmune rheumatic diseases, with a special focus on the HLA region.
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Affiliation(s)
- Lourdes Ortíz-Fernández
- Institute of Parasitology and Biomedicine López-Neyra, CSIC, Parque Tecnológico de La Salud, 18016, Granada, Spain
| | - Javier Martín
- Institute of Parasitology and Biomedicine López-Neyra, CSIC, Parque Tecnológico de La Salud, 18016, Granada, Spain
| | - Marta E Alarcón-Riquelme
- GENYO. Center for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Av de la Ilustración 114, Parque Tecnológico de La Salud, 18016, Granada, Spain. .,Institute for Environmental Medicine, Karolinska Institutet, 171 77, Solna, Sweden.
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17
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The Role of Exposomes in the Pathophysiology of Autoimmune Diseases II: Pathogens. PATHOPHYSIOLOGY 2022; 29:243-280. [PMID: 35736648 PMCID: PMC9231084 DOI: 10.3390/pathophysiology29020020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/28/2022] [Accepted: 05/29/2022] [Indexed: 11/21/2022] Open
Abstract
In our continuing examination of the role of exposomes in autoimmune disease, we use this review to focus on pathogens. Infections are major contributors to the pathophysiology of autoimmune diseases through various mechanisms, foremost being molecular mimicry, when the structural similarity between the pathogen and a human tissue antigen leads to autoimmune reactivity and even autoimmune disease. The three best examples of this are oral pathogens, SARS-CoV-2, and the herpesviruses. Oral pathogens reach the gut, disturb the microbiota, increase gut permeability, cause local inflammation, and generate autoantigens, leading to systemic inflammation, multiple autoimmune reactivities, and systemic autoimmunity. The COVID-19 pandemic put the spotlight on SARS-CoV-2, which has been called “the autoimmune virus.” We explore in detail the evidence supporting this. We also describe how viruses, in particular herpesviruses, have a role in the induction of many different autoimmune diseases, detailing the various mechanisms involved. Lastly, we discuss the microbiome and the beneficial microbiota that populate it. We look at the role of the gut microbiome in autoimmune disorders, because of its role in regulating the immune system. Dysbiosis of the microbiota in the gut microbiome can lead to multiple autoimmune disorders. We conclude that understanding the precise roles and relationships shared by all these factors that comprise the exposome and identifying early events and root causes of these disorders can help us to develop more targeted therapeutic protocols for the management of this worldwide epidemic of autoimmunity.
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18
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Lamichhane S, Siljander H, Salonen M, Ruohtula T, Virtanen SM, Ilonen J, Hyötyläinen T, Knip M, Orešič M. Impact of Extensively Hydrolyzed Infant Formula on Circulating Lipids During Early Life. Front Nutr 2022; 9:859627. [PMID: 35685890 PMCID: PMC9171511 DOI: 10.3389/fnut.2022.859627] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/11/2022] [Indexed: 12/25/2022] Open
Abstract
Background Current evidence suggests that the composition of infant formula (IF) affects the gut microbiome, intestinal function, and immune responses during infancy. However, the impact of IF on circulating lipid profiles in infants is still poorly understood. The objectives of this study were to (1) investigate how extensively hydrolyzed IF impacts serum lipidome compared to conventional formula and (2) to associate changes in circulatory lipids with gastrointestinal biomarkers including intestinal permeability. Methods In a randomized, double-blind controlled nutritional intervention study (n = 73), we applied mass spectrometry-based lipidomics to analyze serum lipids in infants who were fed extensively hydrolyzed formula (HF) or conventional, regular formula (RF). Serum samples were collected at 3, 9, and 12 months of age. Child's growth (weight and length) and intestinal functional markers, including lactulose mannitol (LM) ratio, fecal calprotectin, and fecal beta-defensin, were also measured at given time points. At 3 months of age, stool samples were analyzed by shotgun metagenomics. Results Concentrations of sphingomyelins were higher in the HF group as compared to the RF group. Triacylglycerols (TGs) containing saturated and monounsaturated fatty acyl chains were found in higher levels in the HF group at 3 months, but downregulated at 9 and 12 months of age. LM ratio was lower in the HF group at 9 months of age. In the RF group, the LM ratio was positively associated with ether-linked lipids. Such an association was, however, not observed in the HF group. Conclusion Our study suggests that HF intervention changes the circulating lipidome, including those lipids previously found to be associated with progression to islet autoimmunity or overt T1D. Clinical Trial Registration [Clinicaltrials.gov], identifier [NCT01735123].
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Affiliation(s)
- Santosh Lamichhane
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Heli Siljander
- Pediatric Research Center, Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Marja Salonen
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Terhi Ruohtula
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Suvi M. Virtanen
- Health and Well-Being Promotion Unit, Finnish Institute for Health and Welfare, Helsinki, Finland
- Faculty of Social Sciences, Unit of Health Sciences, Tampere University, Tampere, Finland
- Center for Child Health Research and Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Jorma Ilonen
- Immunogenetics Laboratory, Institute of Biomedicine, University of Turku, Turku, Finland
| | | | - Mikael Knip
- Pediatric Research Center, Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Center for Child Health Research and Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
- Department of Paediatrics, Tampere University Hospital, Tampere, Finland
| | - Matej Orešič
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- School of Medical Sciences, Örebro University, Örebro, Sweden
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19
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Jamerson TA, Li Q, Sreeskandarajan S, Budunova IV, He Z, Kang J, Gudjonsson JE, Patrick MT, Tsoi LC. Roles Played by Stress-Induced Pathways in Driving Ethnic Heterogeneity for Inflammatory Skin Diseases. Front Immunol 2022; 13:845655. [PMID: 35572606 PMCID: PMC9095822 DOI: 10.3389/fimmu.2022.845655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/23/2022] [Indexed: 12/25/2022] Open
Abstract
Immune-mediated skin conditions (IMSCs) are a diverse group of autoimmune diseases associated with significant disease burden. Atopic dermatitis and psoriasis are among the most common IMSCs in the United States and have disproportionate impact on racial and ethnic minorities. African American patients are more likely to develop atopic dermatitis compared to their European American counterparts; and despite lower prevalence of psoriasis among this group, African American patients can suffer from more extensive disease involvement, significant post-inflammatory changes, and a decreased quality of life. While recent studies have been focused on understanding the heterogeneity underlying disease mechanisms and genetic factors at play, little emphasis has been put on the effect of psychosocial or psychological stress on immune pathways, and how these factors contribute to differences in clinical severity, prevalence, and treatment response across ethnic groups. In this review, we explore the heterogeneity of atopic dermatitis and psoriasis between African American and European American patients by summarizing epidemiological studies, addressing potential molecular and environmental factors, with a focus on the intersection between stress and inflammatory pathways.
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Affiliation(s)
- Taylor A. Jamerson
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Qinmengge Li
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | | | - Irina V. Budunova
- Department of Dermatology, Northwestern Medicine, Northwestern University, Chicago, IL, United States,Department of Urology, Northwestern Medicine, Northwestern University, Chicago, IL, United States
| | - Zhi He
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Jian Kang
- Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States
| | - Johann E. Gudjonsson
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Matthew T. Patrick
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Lam C. Tsoi
- Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, United States,Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, MI, United States,Department of Computational Medicine and Bioinformatics, Michigan Medicine, University of Michigan, Ann Arbor, MI, United States,*Correspondence: Lam C. Tsoi,
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20
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Zhang W, Lopez H, Boselli L, Bigini P, Perez-Potti A, Xie Z, Castagnola V, Cai Q, Silveira CP, de Araujo JM, Talamini L, Panini N, Ristagno G, Violatto MB, Devineau S, Monopoli MP, Salmona M, Giannone VA, Lara S, Dawson KA, Yan Y. A Nanoscale Shape-Discovery Framework Supporting Systematic Investigations of Shape-Dependent Biological Effects and Immunomodulation. ACS NANO 2022; 16:1547-1559. [PMID: 34958549 PMCID: PMC8793145 DOI: 10.1021/acsnano.1c10074] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 12/20/2021] [Indexed: 05/29/2023]
Abstract
Since it is now possible to make, in a controlled fashion, an almost unlimited variety of nanostructure shapes, it is of increasing interest to understand the forms of biological control that nanoscale shape allows. However, a priori rational investigation of such a vast universe of shapes appears to present intractable fundamental and practical challenges. This has limited the useful systematic investigation of their biological interactions and the development of innovative nanoscale shape-dependent therapies. Here, we introduce a concept of biologically relevant inductive nanoscale shape discovery and evaluation that is ideally suited to, and will ultimately become, a vehicle for machine learning discovery. Combining the reproducibility and tunability of microfluidic flow nanochemistry syntheses, quantitative computational shape analysis, and iterative feedback from biological responses in vitro and in vivo, we show that these challenges can be mastered, allowing shape biology to be explored within accepted scientific and biomedical research paradigms. Early applications identify significant forms of shape-induced biological and adjuvant-like immunological control.
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Affiliation(s)
- Wei Zhang
- Guangdong
Provincial Education Department Key Laboratory of Nano-Immunoregulation
Tumor Microenvironment, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou 510260, Guangdong P.R. China
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Hender Lopez
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
- School
of Physics and Optometric & Clinical Sciences, Technological University Dublin, Grangegorman D07XT95, Ireland
| | - Luca Boselli
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Paolo Bigini
- Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - André Perez-Potti
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Zengchun Xie
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Valentina Castagnola
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Qi Cai
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Camila P. Silveira
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Joao M. de Araujo
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
- Departamento
de Física Teórica e Experimental, Universidade Federal do Rio Grande do Norte, 59078970 Natal, RN, Brazil
| | - Laura Talamini
- Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Nicolò Panini
- Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Giuseppe Ristagno
- Department
of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
| | - Martina B. Violatto
- Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Stéphanie Devineau
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Marco P. Monopoli
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Mario Salmona
- Istituto
di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Valeria A. Giannone
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Sandra Lara
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Kenneth A. Dawson
- Guangdong
Provincial Education Department Key Laboratory of Nano-Immunoregulation
Tumor Microenvironment, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou 510260, Guangdong P.R. China
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Yan Yan
- Centre
for BioNano Interactions, School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
- School of
Biomolecular and Biomedical Science, UCD Conway Institute of Biomolecular
and Biomedical Research, University College
Dublin, Belfield, Dublin 4, Ireland
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21
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The Role of Exposomes in the Pathophysiology of Autoimmune Diseases I: Toxic Chemicals and Food. PATHOPHYSIOLOGY 2021; 28:513-543. [PMID: 35366249 PMCID: PMC8830458 DOI: 10.3390/pathophysiology28040034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 12/12/2022] Open
Abstract
Autoimmune diseases affect 5–9% of the world’s population. It is now known that genetics play a relatively small part in the pathophysiology of autoimmune disorders in general, and that environmental factors have a greater role. In this review, we examine the role of the exposome, an individual’s lifetime exposure to external and internal factors, in the pathophysiology of autoimmune diseases. The most common of these environmental factors are toxic chemicals, food/diet, and infections. Toxic chemicals are in our food, drink, common products, the air, and even the land we walk on. Toxic chemicals can directly damage self-tissue and cause the release of autoantigens, or can bind to human tissue antigens and form neoantigens, which can provoke autoimmune response leading to autoimmunity. Other types of autoimmune responses can also be induced by toxic chemicals through various effects at the cellular and biochemical levels. The food we eat every day commonly has colorants, preservatives, or packaging-related chemical contamination. The food itself may be antigenic for susceptible individuals. The most common mechanism for food-related autoimmunity is molecular mimicry, in which the food’s molecular structure bears a similarity with the structure of one or more self-tissues. The solution is to detect the trigger, remove it from the environment or diet, then repair the damage to the individual’s body and health.
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Sánchez J, Cohen M, Zapater JL, Eisenberg Y. Primary Adrenal Insufficiency After COVID-19 Infection. AACE Clin Case Rep 2021; 8:51-53. [PMID: 34805497 PMCID: PMC8590605 DOI: 10.1016/j.aace.2021.11.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 11/01/2021] [Accepted: 11/08/2021] [Indexed: 11/26/2022] Open
Abstract
Background/Objective The multisystemic effects of COVID-19 are becoming evident. In the adrenal gland, adrenal hemorrhage and infarction after COVID-19 infection have been reported. Our objective is to present a case of autoimmune adrenal insufficiency diagnosed after COVID-19 infection, without the evidence of a hemorrhage or an infarction. Case Report A 64-year-old woman with hypothyroidism and type 2 diabetes presented with a 1-week history of abdominal pain, nausea, and vomiting. She had experienced asymptomatic COVID-19 infection 5 months prior and reported an unintentional 30-lb weight loss. The home medications included enalapril, atorvastatin, and levothyroxine. A physical examination was notable for hypotension, epigastric tenderness, and mucocutaneous hyperpigmentation. Laboratory tests revealed a serum sodium level of 117 mmol/L (range, <20 mmol/L), thyroid-stimulating hormone level of 0.33 μIU/mL (range, 0.35-4.00 μIU/mL), free thyroxine level of 1.4 ng/dL (range, 0.6-1.7 ng/dL), serum osmoles of 253 mOsm/kg (range, 279-300 mOsm/kg), urine osmoles of 324 mOsm/kg (range, 300-900 mOsm/kg), and urine sodium level of 104 mmol/L. The morning cortisol level was 2.6 μg/dL (reference [ref], >18 μg/dL). This was followed by a high-dose, 250-μg adrenocorticotropic hormone (ACTH) stimulation test, which revealed that the cortisol level was 2.3, 2.9, and 2.6 μg/dL (ref, >18 μg/dL) at baseline, 30 minutes, and 60 minutes, respectively. The ACTH level was 1944 pg/mL (range, 7.2-63.3 pg/mL), the aldosterone level was <3.0 ng/dL (range, 4.0-31.0 ng/dL), and anti-21-hydroxylase antibody was present (ref, negative). A computed tomography scan of the adrenals was unremarkable. Hypotension and hyponatremia resolved after initiation of intravenous hydrocortisone, and she was discharged on hydrocortisone and fludrocortisone. Discussion The patient’s symptoms, elevated ACTH level, low cortisol level, and presence of 21-hydroxylase antibodies were consistent with Addison disease. COVID-19 might have contributed to rapid, clinically relevant disease progression after the infection. Conclusion The development of autoimmune Addison disease in the patient might be related to the prior COVID-19 infection.
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Affiliation(s)
- Julienne Sánchez
- Internal Medicine Residency, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA; 840 South Wood Street, Room 440 (M/C 718), Chicago, Illinois, USA, 60612
| | - Melissa Cohen
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA; 835 South Wolcott Avenue, Suite 625E (M/C 640), Chicago, IL, USA, 60612
| | - Joseph L Zapater
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA; 835 South Wolcott Avenue, Suite 625E (M/C 640), Chicago, IL, USA, 60612
| | - Yuval Eisenberg
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA; 835 South Wolcott Avenue, Suite 625E (M/C 640), Chicago, IL, USA, 60612
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Lu MC, Shia BC, Kao YW, Lin SC, Wang CY, Lin WC, Chen SY. The impact of rotavirus vaccination in the prevalence of gastroenteritis and comorbidities among children after suboptimal rotavirus vaccines implementation in Taiwan: A population-based study. Medicine (Baltimore) 2021; 100:e25925. [PMID: 34160381 PMCID: PMC8238267 DOI: 10.1097/md.0000000000025925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 04/19/2021] [Indexed: 01/04/2023] Open
Abstract
In Taiwan, rotavirus vaccination was implemented in 2006 in the private sector. The population-based impact of rotavirus vaccination on gastroenteritis and comorbidities of children remains under-investigated.We analyzed the annual prevalence of rotavirus-related disease, including gastroenteritis, convulsions, epilepsy, type I diabetes mellitus, intussusception, and biliary atresia among children under 5 years of age. Data were collected from Taiwan's National Health Insurance Research Database, a nationwide population-based database. A 16-year retrospective cohort study was conducted between 2000 and 2015.Among children <5 years of age, the prevalence of gastroenteritis decreased after 2012 (44,259.69 per 100 thousands) and remained lower through 2015 (39,931.11per 100 thousands, P < .001). The prevalence of convulsions rose steadily and significantly from 2007 (775.90 per 100 thousands) to 2015 (962.17 per 100 thousands, P < .001). The prevalence of epilepsy decreased significantly until reaching a nadir in 2013 (from 501.56 to 293.53 per 100 thousands, P < .001). The prevalence of biliary atresia tended upward, and surged suddenly in 2007 with a peak in 2013 (18.74 per 100 thousands). Among infants (<1 year of age) from 2000 to 2015, the prevalence of gastroenteritis declined steadily, and more rapidly after 2007 (22,513 to 17,285 per 100 thousands).In Taiwan, after introducing rotavirus vaccination, gastroenteritis in young children decreased, especially in infancy. However, gastroenteritis is still common in children, given other emerging pathogens. Our results highlight the impact of rotavirus vaccines on children's health in Taiwan and provide indications for future preventive medicine and healthcare strategies in children.
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Affiliation(s)
- Meng-Che Lu
- Division of Allergy, Asthma and Immunology, Department of Pediatrics, Shuang Ho Hospital, Taipei Medical University, New Taipei City
| | - Ben-Chang Shia
- Graduate Institute of Business Administration, College of Management, Fu Jen Catholic University, New Taipei City
| | - Yi-Wei Kao
- Graduate Institute of Business Administration, College of Management, Fu Jen Catholic University, New Taipei City
- Research Center of Big Data, College of management
| | - Sheng-Chieh Lin
- Division of Allergy, Asthma and Immunology, Department of Pediatrics, Shuang Ho Hospital, Taipei Medical University, New Taipei City
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei
| | - Chuan-Yu Wang
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei
- Division of Pediatric Neurology, Department of Pediatrics, Shuang Ho Hospital, Taipei Medical University, New Taipei City
| | - Wen-Chuan Lin
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei
- Division of Pediatric Infectious Disease, Department of Pediatrics, Shuang Ho Hospital, Taipei Medical University, New Taipei City
| | - Shih-Yen Chen
- Division of Pediatric Gastroenterology and Hepatology, Department of Pediatrics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
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Epigenetic Changes Induced by Maternal Factors during Fetal Life: Implication for Type 1 Diabetes. Genes (Basel) 2021; 12:genes12060887. [PMID: 34201206 PMCID: PMC8227197 DOI: 10.3390/genes12060887] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/06/2021] [Accepted: 06/07/2021] [Indexed: 02/07/2023] Open
Abstract
Organ-specific autoimmune diseases, such as type 1 diabetes, are believed to result from T-cell-mediated damage of the target tissue. The immune-mediated tissue injury, in turn, is known to depend on complex interactions between genetic and environmental factors. Nevertheless, the mechanisms whereby environmental factors contribute to the pathogenesis of autoimmune diseases remain elusive and represent a major untapped target to develop novel strategies for disease prevention. Given the impact of the early environment on the developing immune system, epigenetic changes induced by maternal factors during fetal life have been linked to a likelihood of developing an autoimmune disease later in life. In humans, DNA methylation is the epigenetic mechanism most extensively investigated. This review provides an overview of the critical role of DNA methylation changes induced by prenatal maternal conditions contributing to the increased risk of immune-mediated diseases on the offspring, with a particular focus on T1D. A deeper understanding of epigenetic alterations induced by environmental stressors during fetal life may be pivotal for developing targeted prevention strategies of type 1 diabetes by modifying the maternal environment.
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De Medeiros VLS, Monteiro-Neto AU, França DDT, Castelo Branco R, de Miranda Coelho ÉO, Takano DM. Pemphigus Vulgaris After COVID-19: a Case of Induced Autoimmunity. ACTA ACUST UNITED AC 2021; 3:1768-1772. [PMID: 34075351 PMCID: PMC8159521 DOI: 10.1007/s42399-021-00971-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2021] [Indexed: 12/12/2022]
Abstract
Bullae autoimmune diseases can be induced by environmental factors in a genetically susceptible individual, and viruses may be important triggers for this process. Coronavirus disease 2019 (COVID-19) is a multisystemic disease known for developing many types of skin lesions. However, little is known about post-COVID-19 manifestations. A previous healthy male patient, 43 years old, with resistant mediastinal Hodgkin's lymphoma stage II diagnosed in 2019, without treatment at the moment, developed monomorphic flaccid bullae on the trunk 40 days after testing positive for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Although he had risk factors for IgA and paraneoplastic pemphigus, there were no elements for these diseases. The investigation confirmed a pemphigus vulgaris (PV). PV had a good response to treatment with prednisolone 1 mg/kg per day, and methotrexate 15 mg subcutaneously was added per week. The patient was discharged with oral methotrexate and prednisolone at the same dose. Prednisolone was decreased by 20 mg per day during the follow-up. Viruses such as herpesvirus, cytomegalovirus, and varicela zoster can act as triggers for PV. This process is not immediate after the infection because it depends on the change in antibodies initially produced against the virus that start to identify antigens present in the skin's anchoring structures. SARS-CoV-2 can induce autoimmunity, as seen in Guillán-Barré syndrome and in Kawasaki disease. It is a highly immunogenic virus that is the perfect agent for triggering PV. This case can be considered a cutaneous autoimmune post-COVID-19 manifestation.
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Affiliation(s)
- Vanessa Lucilia Silveira De Medeiros
- Dermatology Clinics, Tropical Medicine Department, Clinics Hospital, Federal University of Pernambuco, Recife, PE Brazil.,Unimed Recife, Unimed Recife III Hospital, Recife, Brazil.,Medical Faculty of Recife, Medical Sciences Center, Federal University of Pernambuco, Recife, PE Brazil
| | | | | | - Rebecca Castelo Branco
- Dermatology Clinics, Tropical Medicine Department, Clinics Hospital, Federal University of Pernambuco, Recife, PE Brazil
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A Role for Folate in Microbiome-Linked Control of Autoimmunity. J Immunol Res 2021; 2021:9998200. [PMID: 34104654 PMCID: PMC8159645 DOI: 10.1155/2021/9998200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/04/2021] [Indexed: 02/03/2023] Open
Abstract
The microbiome exerts considerable control over immune homeostasis and influences susceptibility to autoimmune and autoinflammatory disease (AD/AID) such as inflammatory bowel disease (IBD), multiple sclerosis (MS), type 1 diabetes (T1D), psoriasis, and uveitis. In part, this is due to direct effects of the microbiome on gastrointestinal (GI) physiology and nutrient transport, but also to indirect effects on immunoregulatory controls, including induction and stabilization of T regulatory cells (T reg). Secreted bacterial metabolites such as short-chain fatty acids (SCFA) are under intense investigation as mediators of these effects. In contrast, folate (vitamin B9), an essential micronutrient, has attracted less attention, possibly because it exerts global physiological effects which are difficult to differentiate from specific effects on the immune system. Here, we review the role of folate in AD/AID with some emphasis on sight-threatening autoimmune uveitis. Since folate is required for the generation and maintenance of T reg , we propose that one mechanism for microbiome-based control of AD/AID is via folate-dependent induction of GI tract T reg , particularly colonic T reg, via anergic T cells (T an). Hence, folate supplementation has potential prophylactic and/or therapeutic benefit in AID/AD.
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27
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Gupta A, Das SN, Das BK, Bhuyan L. Characterization of anti-nuclear antibodies in patients with oral submucous fibrosis and its clinicopathologic implications - An immunofluorescence study. J Oral Maxillofac Pathol 2021; 25:201. [PMID: 34349441 PMCID: PMC8272473 DOI: 10.4103/jomfp.jomfp_376_20] [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: 09/15/2020] [Revised: 12/15/2020] [Accepted: 02/20/2021] [Indexed: 11/25/2022] Open
Abstract
Background: Oral submucous fibrosis (OSF), widespread in the Indian subcontinent, is a chronic debilitating disease of the oral cavity having a high potential for malignancy. The etiology of OSF is debatable. However, recently, autoimmunity had been suggested to play a significant role in its etiology, yet unproven. Hence, this study was conducted to explore the presence of antinuclear antibodies (ANAs) in the serum of OSF patients which is one of the serum markers of autoimmune diseases and its possible clinicopathologic associations. Materials and Methods: A total of 105 blood samples were collected from patients with OSF (n = 45), age- and sex-matched healthy controls with (n = 30) and without (n = 30) areca nut chewing habit. Serum positivity of ANA was determined by immunofluorescence and correlated with the oral habits and severity of the disease measured by maximum mouth opening (MMO) and site of involvement. Results: Significantly higher incidence of ANA (35.6%) was found in 45 OSF patients than in the healthy group (P = 0.001). Prevalence of ANA positivity was found higher in females (n = 11; 68%) than males (P < 0.001). A significantly lower MMO (P = 0.00) was found in ANA positive patients (17 ± 6.21 mm) in contrast to MMO in ANA-negative patients (28.74 ± 6.58 mm). The mean duration of habit and frequency of habit between ANA positive and negative patients was not significant. A significantly more number of sites of involvement was seen in ANA positive cases (P = 0.004). Out of 16 ANA positive OSF cases, 10 cases showed + 2 and 6 cases showed + 3 fluorescence intensity. Speckled (n = 8), homogeneous (n = 5) and nucleolar pattern (n = 3) were the fluorescence patterns observed. Conclusion: The presence of autoantibodies such as ANA, female predilection, alteration of humoral and cellular immunity justifies OSF as an autoimmune disease. This study provides broader prospective to adopt therapies that selectively target autoimmune pathways.
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Affiliation(s)
- Aprna Gupta
- Department of Oral and Maxillofacial Pathology, HITECH Dental College and Hospital, Bhubaneswar, Odisha, India
| | - Surya Narayan Das
- Department of Oral and Maxillofacial Pathology, SCB Dental College and Hospital, Cuttack, Odisha, India
| | - Bijoy Kumar Das
- Department of Oral and Maxillofacial Pathology, SCB Dental College and Hospital, Cuttack, Odisha, India
| | - Lipsa Bhuyan
- Department of Oral and Maxillofacial Pathology, Kalinga Institute of Dental Sciences, KIIT University, Bhubaneswar, Odisha, India
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Klukas J, Pudszuhn A, Kusch K, Obermueller T, Hofmann VM. [Dermatomyositis as a paraneoplastic syndrome of head-neck-cancer: Case series & literature review]. Laryngorhinootologie 2021; 100:542-549. [PMID: 33906244 DOI: 10.1055/a-1408-6551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Dermatomyositis (DM) is a rare disease with the clinical manifestation of weakness and pain of proximal muscles as well as lilac-coloured skin lesions. One fifth of the cases is associated with the occurrence of a malignant tumor disease. The aim of this study is to evaluate the relevance of DM as a paraneoplastic syndrome in head and neck cancer taken into account the current literature. MATERIAL/METHODS After retrospective analysis of medical records of head-neck-cancer patients treated between 2008 and 2018, 8 patients with DM were detected: 4 patients with tonsil carcinoma, 1 patient with nasopharyngeal carcinoma, 1 patient carcinoma of the parotid gland and two patients with lymphoma. The diagnosis, therapy and treatment results of these cases are described. Furthermore, a selective analysis of the literature (pubmed) about DM with head-neck cancer was conducted. A total of 290 cases were identified: In 283 cases, the tumors were located in the nasopharynx, in five cases in the tonsil and in two cases in the hypopharynx. CONCLUSION DM as a paraneoplastic syndrome of head and neck tumors is rare and more often associated with nasopharyngeal cancer and rarely with tonsil cancer. The clustering of DM with head and neck tumors regarding ethnicity (nasopharyngeal carcinoma - Asian origin, tonsillar carcinoma- Caucasian origin) might be due to the regional different incidences of these tumor entities.In patients with DM, especially in presence of cervical lymphadenopathy a tumor in the head and neck area should be evaluated. The course of tumor-associated DM is positively influenced by tumor therapy. The consistent therapy and monitoring of DM is fundamental for a successful tumor treatment as well.
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Affiliation(s)
- Jana Klukas
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Klinik für Hals-Nasen-Ohrenheilkunde, Campus Benjamin Franklin
| | - Annett Pudszuhn
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Klinik für Hals-Nasen-Ohrenheilkunde, Campus Benjamin Franklin
| | - Kerstin Kusch
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Klinik für Dermatologie, Venerologie und Allergologie, Campus Benjamin Franklin
| | - Theresa Obermueller
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Klinik für Hals-Nasen-Ohrenheilkunde, Campus Benjamin Franklin
| | - Veit M Hofmann
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Klinik für Hals-Nasen-Ohrenheilkunde, Campus Benjamin Franklin
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Lerner A, Benzvi C. "Let Food Be Thy Medicine": Gluten and Potential Role in Neurodegeneration. Cells 2021; 10:756. [PMID: 33808124 PMCID: PMC8065505 DOI: 10.3390/cells10040756] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/20/2021] [Accepted: 03/25/2021] [Indexed: 12/12/2022] Open
Abstract
Wheat is a most favored staple food worldwide and its major protein is gluten. It is involved in several gluten dependent diseases and lately was suggested to play a role in non-celiac autoimmune diseases. Its involvement in neurodegenerative conditions was recently suggested but no cause-and-effect relationship were established. The present narrative review expands on various aspects of the gluten-gut-brain axes events, mechanisms and pathways that connect wheat and gluten consumption to neurodegenerative disease. Gluten induced dysbiosis, increased intestinal permeabillity, enteric and systemic side effects, cross-reactive antibodies, and the sequence of homologies between brain antigens and gluten are highlighted. This combination may suggest molecular mimicry, alluding to some autoimmune aspects between gluten and neurodegenerative disease. The proverb of Hippocrates coined in 400 BC, "let food be thy medicine," is critically discussed in the frame of gluten and potential neurodegeneration evolvement.
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Affiliation(s)
- Aaron Lerner
- Chaim Sheba Medical Center, The Zabludowicz Research Center for Autoimmune Diseases, Tel Hashomer 5262000, Israel;
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Abstract
The human organism is a very complex system. To be in good health, its components must function properly. One of the most important systems of an organism is the immune system. It protects the body from the harmful effects of various external and internal agents. Sometimes, however, the immune system starts attacking its own healthy cells, tissues and organs. Then autoimmune diseases arise. They are widespread in recent decades. There is evidence that often autoimmune responses occur due to viral infections. In this paper, a new mathematical model of a general autoimmune disease is proposed. It describes the interactions between viral particles and host cells. The model is formulated by using integro-differential equations of Boltzmann type. This approach is typical for the nonequilibrium statistical mechanics. A preliminary qualitative and quantitative analysis of the model is presented.
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31
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Blackburn KM, Wang C. Post-infectious neurological disorders. Ther Adv Neurol Disord 2020; 13:1756286420952901. [PMID: 32944082 PMCID: PMC7466892 DOI: 10.1177/1756286420952901] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 07/08/2020] [Indexed: 12/18/2022] Open
Abstract
A multitude of environmental factors can result in breakdown of immune tolerance in susceptible hosts. Infectious pathogens are among the most important environmental triggers in the pathogenesis of autoimmunity. Certain autoimmune disorders have a strong association with specific infections. Several neurological autoimmune disorders are thought to occur through post-infectious mechanisms. In this review, we discuss the proposed mechanisms underlying pathogen-induced autoimmunity, and highlight the clinical presentation and treatment of several post-infectious autoimmune neurological disorders. We also highlight post-infectious neurological disorders in the setting of recent outbreaks.
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Affiliation(s)
- Kyle M. Blackburn
- Department of Neurology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA
| | - Cynthia Wang
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
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32
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Lindfors K, Lin J, Lee HS, Hyöty H, Nykter M, Kurppa K, Liu E, Koletzko S, Rewers M, Hagopian W, Toppari J, Ziegler AG, Akolkar B, Krischer JP, Petrosino JF, Lloyd RE, Agardh D. Metagenomics of the faecal virome indicate a cumulative effect of enterovirus and gluten amount on the risk of coeliac disease autoimmunity in genetically at risk children: the TEDDY study. Gut 2020; 69:1416-1422. [PMID: 31744911 PMCID: PMC7234892 DOI: 10.1136/gutjnl-2019-319809] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/01/2019] [Accepted: 11/05/2019] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Higher gluten intake, frequent gastrointestinal infections and adenovirus, enterovirus, rotavirus and reovirus have been proposed as environmental triggers for coeliac disease. However, it is not known whether an interaction exists between the ingested gluten amount and viral exposures in the development of coeliac disease. This study investigated whether distinct viral exposures alone or together with gluten increase the risk of coeliac disease autoimmunity (CDA) in genetically predisposed children. DESIGN The Environmental Determinants of Diabetes in the Young study prospectively followed children carrying the HLA risk haplotypes DQ2 and/or DQ8 and constructed a nested case-control design. From this design, 83 CDA case-control pairs were identified. Median age of CDA was 31 months. Stool samples collected monthly up to the age of 2 years were analysed for virome composition by Illumina next-generation sequencing followed by comprehensive computational virus profiling. RESULTS The cumulative number of stool enteroviral exposures between 1 and 2 years of age was associated with an increased risk for CDA. In addition, there was a significant interaction between cumulative stool enteroviral exposures and gluten consumption. The risk conferred by stool enteroviruses was increased in cases reporting higher gluten intake. CONCLUSIONS Frequent exposure to enterovirus between 1 and 2 years of age was associated with increased risk of CDA. The increased risk conferred by the interaction between enteroviruses and higher gluten intake indicate a cumulative effect of these factors in the development of CDA.
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Affiliation(s)
- Katri Lindfors
- Faculty of Medicine and Health Techology, Tampere University, Tampere, Finland
| | - Jake Lin
- Faculty of Medicine and Health Techology, Tampere University, Tampere, Finland,Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland
| | - Hye-Seung Lee
- Morsani College of Medicine, University of South Florida, Tampa, Florida, USA
| | - Heikki Hyöty
- Faculty of Medicine and Health Techology, Tampere University, Tampere, Finland
| | - Matti Nykter
- Faculty of Medicine and Health Techology, Tampere University, Tampere, Finland
| | - Kalle Kurppa
- Faculty of Medicine and Health Techology, Tampere University, Tampere, Finland,Center for Child Health Research, Tampere University and Tampere University Hospital, Tampere, Finland,The University Consortium of Seinäjoki, Seinäjoki, Finland
| | - Edwin Liu
- University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA,Digestive Health Institute, Children's Hospital Colorado, Aurora, United States
| | - Sibylle Koletzko
- Ludwig-Maximilians-Universitat Munchen, Munchen, Bayern, Germany,Division of Paediatric Gastroenterology and Hepatology, Dr von Hauner Children's Hospital, Munchen, Germany
| | - Marian Rewers
- Barbara Davis Center for Childhood Diabetes, University of Colorado Denver, Denver, Colorado, USA
| | | | - Jorma Toppari
- Research Centre for Integrative Physiology and Phamacology, Institute of Biomedicine, University of Turku, Turku, Finland,Department of Paediatrics, Turku University Hospital, Turku, Finland
| | - Annette-Gabriele Ziegler
- Kliikum Rechts der Isar, Technische Universität München, Munchen, Bayern, Germany,Institute of Diabetes Research, Helmholtz Zentrum München, Germany,Forschergruppe Diabetes e.V, Neuherberg, Germany
| | - Beena Akolkar
- National Institute of Diabetes and Digestive and Kidney Disease, National Institutes of Health, Bethesda, Maryland, USA
| | - Jeffrey P Krischer
- Morsani College of Medicine, University of South Florida, Tampa, Florida, USA
| | - Joseph F Petrosino
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Richard E Lloyd
- Alkek Center for Metagenomics and Microbiome Research, Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
| | - Daniel Agardh
- The Diabetes and Celiac Disease Unit, Department of Clinical Sciences, Lund University, Lund, Sweden
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Peravali R, Acharya S, Raza SH, Pattanaik D, Randall MB. Dermatomyositis Developed After Exposure to Epstein-Barr Virus Infection and Antibiotics Use. Am J Med Sci 2020; 360:402-405. [PMID: 32591093 DOI: 10.1016/j.amjms.2020.05.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/30/2020] [Accepted: 05/07/2020] [Indexed: 11/19/2022]
Abstract
Dermatomyositis is an inflammatory disorder involving muscle and skin. Similar to many other autoimmune diseases, environmental factors appear to trigger the onset of disease in some cases. Many drugs have been reported to be associated with dermatomyositis, and rarely infections have been described as potential triggering agents. Here we are describing a case of dermatomyositis that developed after doxycycline and levofloxacin use, who also had recent Epstein-Barr virus infection. Dermatomyositis associated with doxycycline or levofloxacin use has not yet been described in the literature, while reports of dermatomyositis after Epstein-Barr virus infection have been rare and limited to juvenile dermatomyositis or in association with cancer. It is important for clinicians to be aware of this rare association so that the diagnosis and treatment can be exercised promptly.
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Affiliation(s)
- Rahul Peravali
- University of Tennessee Medical School, Memphis, Tennessee
| | - Saurav Acharya
- Division of Rheumatology, University of Tennessee Health Science Center, Memphis, Tennessee.
| | - Syed Hasan Raza
- Division of Rheumatology, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Debendra Pattanaik
- Division of Rheumatology, University of Tennessee Health Science Center, Memphis, Tennessee
| | - Milton Barry Randall
- Department of Dermatology, University of Tennessee Health Science Center, Memphis, Tennessee
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Pernicious Anemia and Vitiligo in an HIV Patient: An Unfamiliar Case Presentation. Case Rep Gastrointest Med 2020; 2020:7942453. [PMID: 32551143 PMCID: PMC7277020 DOI: 10.1155/2020/7942453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/15/2020] [Accepted: 05/16/2020] [Indexed: 11/18/2022] Open
Abstract
Pernicious anemia (PA) is a rarely considered cause of anemia in HIV-infected population and is seldom on the list of differential diagnoses. However, PA can have serious consequences if misdiagnosed or left untreated. We present the case of a 38-year-old HIV-positive man who was diagnosed with PA, which was preceded by a one-year history of vitiligo. Our case is a reminder for clinicians to have a high index of suspicion for an autoimmune process as a potential cause of anemia in HIV-infected individuals.
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Abstract
The interplay between the commensal microbiota and the mammalian immune system development and function includes multifold interactions in homeostasis and disease. The microbiome plays critical roles in the training and development of major components of the host's innate and adaptive immune system, while the immune system orchestrates the maintenance of key features of host-microbe symbiosis. In a genetically susceptible host, imbalances in microbiota-immunity interactions under defined environmental contexts are believed to contribute to the pathogenesis of a multitude of immune-mediated disorders. Here, we review features of microbiome-immunity crosstalk and their roles in health and disease, while providing examples of molecular mechanisms orchestrating these interactions in the intestine and extra-intestinal organs. We highlight aspects of the current knowledge, challenges and limitations in achieving causal understanding of host immune-microbiome interactions, as well as their impact on immune-mediated diseases, and discuss how these insights may translate towards future development of microbiome-targeted therapeutic interventions.
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36
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Zheng D, Liwinski T, Elinav E. Interaction between microbiota and immunity in health and disease. Cell Res 2020; 30:492-506. [PMID: 32433595 PMCID: PMC7264227 DOI: 10.1038/s41422-020-0332-7] [Citation(s) in RCA: 1630] [Impact Index Per Article: 407.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 04/20/2020] [Indexed: 02/08/2023] Open
Abstract
The interplay between the commensal microbiota and the mammalian immune system development and function includes multifold interactions in homeostasis and disease. The microbiome plays critical roles in the training and development of major components of the host's innate and adaptive immune system, while the immune system orchestrates the maintenance of key features of host-microbe symbiosis. In a genetically susceptible host, imbalances in microbiota-immunity interactions under defined environmental contexts are believed to contribute to the pathogenesis of a multitude of immune-mediated disorders. Here, we review features of microbiome-immunity crosstalk and their roles in health and disease, while providing examples of molecular mechanisms orchestrating these interactions in the intestine and extra-intestinal organs. We highlight aspects of the current knowledge, challenges and limitations in achieving causal understanding of host immune-microbiome interactions, as well as their impact on immune-mediated diseases, and discuss how these insights may translate towards future development of microbiome-targeted therapeutic interventions.
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Affiliation(s)
- Danping Zheng
- Immunology Department, Weizmann Institute of Science, 234 Herzl Street, 7610001, Rehovot, Israel.,Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Timur Liwinski
- Immunology Department, Weizmann Institute of Science, 234 Herzl Street, 7610001, Rehovot, Israel.,1st Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Eran Elinav
- Immunology Department, Weizmann Institute of Science, 234 Herzl Street, 7610001, Rehovot, Israel. .,Cancer-Microbiome Division, Deutsches Krebsforschungszentrum (DKFZ), Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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37
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Kechida M. Update on Autoimmune Diseases Pathogenesis. Curr Pharm Des 2020; 25:2947-2952. [PMID: 31686634 DOI: 10.2174/1381612825666190709205421] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 06/30/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Autoimmune diseases result from the interplay of cellular effectors like T and B cells, regulatory cells in addition to molecular factors like cytokines and regulatory molecules. METHODS Different electronic databases were searched in a non-systematic way to find out the literature of interest. RESULTS Pathogenesis of autoimmune diseases involves typical factors such as genetic background including HLA and non HLA system genes, environmental factors such as infectious agents and inflammatory cells mainly T and B lymphocytes abnormally activated leading to immune dysfunction. Other recently reported less typical factors such as micro-RNAs, circular RNAs, myeloperoxidase, vimentine and microbiome dysbiosis seem to be potential target therapies. CONCLUSION We aimed in this manuscript to review common factors in the pathogenesis of autoimmune diseases.
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Affiliation(s)
- Melek Kechida
- Internal Medicine and Endocrinology Department of Fattouma Bourguiba University Hospital, University of Monastir, BP 56 Avenue Taher Haddad, Monastir 5000, Tunisia
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38
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Koelmel JP, Napolitano MP, Ulmer CZ, Vasiliou V, Garrett TJ, Yost RA, Prasad MNV, Godri Pollitt KJ, Bowden JA. Environmental lipidomics: understanding the response of organisms and ecosystems to a changing world. Metabolomics 2020; 16:56. [PMID: 32307636 DOI: 10.1007/s11306-020-01665-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 03/13/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Understanding the interaction between organisms and the environment is important for predicting and mitigating the effects of global phenomena such as climate change, and the fate, transport, and health effects of anthropogenic pollutants. By understanding organism and ecosystem responses to environmental stressors at the molecular level, mechanisms of toxicity and adaptation can be determined. This information has important implications in human and environmental health, engineering biotechnologies, and understanding the interaction between anthropogenic induced changes and the biosphere. One class of molecules with unique promise for environmental science are lipids; lipids are highly abundant and ubiquitous across nearly all organisms, and lipid profiles often change drastically in response to external stimuli. These changes allow organisms to maintain essential biological functions, for example, membrane fluidity, as they adapt to a changing climate and chemical environment. Lipidomics can help scientists understand the historical and present biofeedback processes in climate change and the biogeochemical processes affecting nutrient cycles. Lipids can also be used to understand how ecosystems respond to historical environmental changes with lipid signatures dating back to hundreds of millions of years, which can help predict similar changes in the future. In addition, lipids are direct targets of environmental stressors, for example, lipids are easily prone to oxidative damage, which occurs during exposure to most toxins. AIM OF REVIEW This is the first review to summarize the current efforts to comprehensively measure lipids to better understand the interaction between organisms and their environment. This review focuses on lipidomic applications in the arenas of environmental toxicology and exposure assessment, xenobiotic exposures and health (e.g., obesity), global climate change, and nutrient cycles. Moreover, this review summarizes the use of and the potential for lipidomics in engineering biotechnologies for the remediation of persistent compounds and biofuel production. KEY SCIENTIFIC CONCEPT With the preservation of certain lipids across millions of years and our ever-increasing understanding of their diverse biological roles, lipidomic-based approaches provide a unique utility to increase our understanding of the contemporary and historical interactions between organisms, ecosystems, and anthropogenically-induced environmental changes.
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Affiliation(s)
- Jeremy P Koelmel
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - Michael P Napolitano
- CSS, Inc., under contract to National Oceanic and Atmospheric Administration, National Centers for Coastal Ocean Science, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, SC, 29412, USA
| | - Candice Z Ulmer
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Ft. Johnson Road, Charleston, SC, 29412, USA
| | - Vasilis Vasiliou
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - Timothy J Garrett
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Richard A Yost
- Department of Chemistry, University of Florida, 125 Buckman Drive, Gainesville, FL, 32611, USA
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - M N V Prasad
- Department of Plant Sciences, University of Hyderabad, Hyderabad, Telangana, 500046, India
| | - Krystal J Godri Pollitt
- Department of Environmental Health Sciences, School of Public Health, Yale University, New Haven, CT, 06510, USA
| | - John A Bowden
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, 1333 Center Drive, Gainesville, FL, 32610, USA.
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Bo M, Niegowska M, Eames HL, Almuttaqi H, Arru G, Erre GL, Passiu G, Khoyratty TE, van Grinsven E, Udalova IA, Sechi LA. Antibody response to homologous epitopes of Epstein-Barr virus, Mycobacterium avium subsp. paratuberculosis and IRF5 in patients with different connective tissue diseases and in mouse model of antigen-induced arthritis. J Transl Autoimmun 2020; 3:100048. [PMID: 32743529 PMCID: PMC7388397 DOI: 10.1016/j.jtauto.2020.100048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 12/29/2022] Open
Abstract
Background Improved knowledge of different biomarkers is crucial for early diagnosis of rheumatic diseases and to provide important insights for clinical management. In this study, we evaluated the seroreactivity of patients with different connective tissue diseases (CTDs) (rheumatoid arthritis, RA; systemic lupus erythematosus, SLE; systemic sclerosis, SSc; and Sjogren’s syndrome, SSj) to interferon regulatory factor 5 (IRF5) peptide and homologs derived from Epstein-Barr virus (EBV) and Mycobacterium avium subsp. paratuberculosis (MAP). Antigen-induced arthritis (AIA) experiments have been performed in control and IRF5 conditional knockout mice to reinforce the hypothesis that antibodies generated against the three homologous peptides are cross-reactive. Methods Reactivity against wild-type (wt) and citrullinated (cit) IRF5 (IRF5424-434), MAP (MAP_402718-32) and EBV (BOLF1305-320) peptides were tested by indirect ELISA in sera from 100 RA patients, 54 patients with other CTDs (14 SLE, 28 SSc and 12 SSj) and 100 healthy subjects (HCs). Antibody responses to the same wt peptides have been tested in AIA mouse sera after immunization with complete Freud’s adjuvant (CFA) and methylated bovine serum albumin (mBSA) to induce arthritis in the knee joint. Results BOLF1, MAP_4027 and IRF5 peptides triggered different antibody responses in CTD diseases with a stronger reactivity in RA (p=0.0001). Similar trends were observed in AIA mice with significantly higher reactivity after 7 days from induction of arthritis. We also found statistically significant differences in antibody responses between SSc and HCs for BOLF1 (p=0.003), MAP_4027 (p=0.0076) and IRF5 (p=0.0042). Peripheral reactivity to cit peptides was lower compared to their wt counterparts, except for cit-MAP_402718-32, which induced stronger responses in RA than wt-MAP_402718-32 (46% vs. 26%, p=0.0170). Conclusion(s): Our results show differential antibody responses to BOLF1, MAP_4027 and IRF5 peptides among CTDs, highlighting their potential as diagnostic biomarkers in these diseases. Experiments performed in IRF5 conditional knockout mice support the hypothesis of cross-reactivity between the investigated homologous antigens. Serum IgG anti-BOLF1, MAP_4027 and IRF5 Abs responses are significantly higher in RA than in other rheumatic conditions. Antibody responses to epitopes of EBV, IRF5 and MAP in AIA mouse model is comparable to results obtained in humans. Antigens present in the CFA are homologous to MAP, EBV and IRF5 peptides trigger cross-reactive responses. MAP might be a possible triggering factor in the etiology of systemic sclerosis and RA.
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Affiliation(s)
- Marco Bo
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy
| | - Magdalena Niegowska
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy
| | - Hayley L Eames
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Roosevelt Drive, Headington, OX3 7FY, United Kingdom
| | - Hannah Almuttaqi
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Roosevelt Drive, Headington, OX3 7FY, United Kingdom
| | - Giannina Arru
- Department of Clinical, Surgical and Experimental Medicine, Neurological Clinic, University of Sassari, Viale San Pietro 8, 07100, Sassari, Italy
| | - Gian Luca Erre
- Department of Clinical and Experimental Medicine, Azienda Ospedaliero-Universitaria di Sassari, UOC of Rheumatology, Viale San Pietro 8, 07100, Sassari, Italy
| | - Giuseppe Passiu
- Department of Clinical and Experimental Medicine, Azienda Ospedaliero-Universitaria di Sassari, UOC of Rheumatology, Viale San Pietro 8, 07100, Sassari, Italy
| | - Tariq E Khoyratty
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Roosevelt Drive, Headington, OX3 7FY, United Kingdom
| | - Erinke van Grinsven
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Roosevelt Drive, Headington, OX3 7FY, United Kingdom
| | - Irina A Udalova
- Kennedy Institute of Rheumatology, Oxford University, Oxford, Roosevelt Drive, Headington, OX3 7FY, United Kingdom
| | - Leonardo A Sechi
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy
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Dedrick S, Sundaresh B, Huang Q, Brady C, Yoo T, Cronin C, Rudnicki C, Flood M, Momeni B, Ludvigsson J, Altindis E. The Role of Gut Microbiota and Environmental Factors in Type 1 Diabetes Pathogenesis. Front Endocrinol (Lausanne) 2020; 11:78. [PMID: 32174888 PMCID: PMC7057241 DOI: 10.3389/fendo.2020.00078] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 02/06/2020] [Indexed: 12/11/2022] Open
Abstract
Type 1 Diabetes (T1D) is regarded as an autoimmune disease characterized by insulin deficiency resulting from destruction of pancreatic β-cells. The incidence rates of T1D have increased worldwide. Over the past decades, progress has been made in understanding the complexity of the immune response and its role in T1D pathogenesis, however, the trigger of T1D autoimmunity remains unclear. The increasing incidence rates, immigrant studies, and twin studies suggest that environmental factors play an important role and the trigger cannot simply be explained by genetic predisposition. Several research initiatives have identified environmental factors that potentially contribute to the onset of T1D autoimmunity and the progression of disease in children/young adults. More recently, the interplay between gut microbiota and the immune system has been implicated as an important factor in T1D pathogenesis. Although results often vary between studies, broad compositional and diversity patterns have emerged from both longitudinal and cross-sectional human studies. T1D patients have a less diverse gut microbiota, an increased prevalence of Bacteriodetes taxa and an aberrant metabolomic profile compared to healthy controls. In this comprehensive review, we present the data obtained from both animal and human studies focusing on the large longitudinal human studies. These studies are particularly valuable in elucidating the environmental factors that lead to aberrant gut microbiota composition and potentially contribute to T1D. We also discuss how environmental factors, such as birth mode, diet, and antibiotic use modulate gut microbiota and how this potentially contributes to T1D. In the final section, we focus on existing recent literature on microbiota-produced metabolites, proteins, and gut virome function as potential protectants or triggers of T1D onset. Overall, current results indicate that higher levels of diversity along with the presence of beneficial microbes and the resulting microbial-produced metabolites can act as protectors against T1D onset. However, the specifics of the interplay between host and microbes are yet to be discovered.
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Affiliation(s)
- Sandra Dedrick
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | | | - Qian Huang
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Claudia Brady
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Tessa Yoo
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Catherine Cronin
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Caitlin Rudnicki
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Michael Flood
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Babak Momeni
- Biology Department, Boston College, Chestnut Hill, MA, United States
| | - Johnny Ludvigsson
- Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - Emrah Altindis
- Biology Department, Boston College, Chestnut Hill, MA, United States
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41
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Teh SH, You RI, Yang YC, Hsu CY, Pang CY. A cohort study: The Association Between Autoimmune Disorders and Leptospirosis. Sci Rep 2020; 10:3276. [PMID: 32094396 PMCID: PMC7039877 DOI: 10.1038/s41598-020-60267-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 02/10/2020] [Indexed: 11/17/2022] Open
Abstract
There are limited studies on the association between systemic autoimmune rheumatic diseases (SARDs) and leptospirosis. Therefore, this study aims to identify the effects of leptospirosis on the risks of developing SARDs with a nationwide retrospective cohort study. Patients with leptospirosis who did not have a diagnosis of SARDs before the index date were enrolled from the Taiwan National Health Insurance Research Database between 2000 and 2010, as the leptospirosis cohort. For each patient with leptospirosis, one control without a history of leptospirosis and SARDs was randomly selected (non-leptospirosis cohort). Cox proportional hazards regression models were used to analyze the risk of SARDs according to sex, age, and comorbidities. Among the 23 million people in the cohort, 3,393 patients with leptospirosis (68.91% men, mean age 52.65 years) and 33,930 controls were followed for 18,778 and 232,999 person-years, respectively. The incidence of SARDs was higher in the leptospirosis cohort than in the non-leptospirosis cohort (1.38 vs 0.33 per 1000 person-years), with a hazard ratio (HR) of 4.42 (95% confidence interval [CI] = 2.82–6.92). The risk of developing SARDs was highest for leptospirosis patients aged ≥65 years (HR = 2.81% CI = 1.07–7.36) compared with patients aged ≤39 years. Patients with leptospirosis have a 4.42-fold higher risk of SARDs than that in the general population. Further research is warranted to investigate the mechanism underlying this association.
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Affiliation(s)
- Soon-Hian Teh
- Division of Infectious Disease, Department of Internal Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Ren-In You
- Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Yu-Cih Yang
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan.,College of Medicine, China Medical University, Taichung, Taiwan
| | - Chung Y Hsu
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan
| | - Cheng-Yoong Pang
- Department of Medical Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan. .,Cardiovascular and Metabolomics Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan. .,Institute of Medical Sciences, College of Medicine, Tzu Chi University, Hualien, Taiwan.
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42
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Reaction of Lectin-Specific Antibody with Human Tissue: Possible Contributions to Autoimmunity. J Immunol Res 2020; 2020:1438957. [PMID: 32104714 PMCID: PMC7036108 DOI: 10.1155/2020/1438957] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 01/14/2020] [Indexed: 12/28/2022] Open
Abstract
The aim of this study was to examine the direct reaction of specific lectin/agglutinin antibodies to different tissue antigens to confirm the theory that reactivity between them may contribute to autoimmunities. Lectins are carbohydrate-binding proteins found in nearly all fruits and vegetables. Undigested lectins can penetrate the gut barriers, provoking an immune response that results in the production of antibodies against them. Using an enzyme-linked immunosorbent assay, we reacted lectin-specific antibodies with 62 different tissue antigens. Wheat germ agglutinin-specific antibody was the most reactive with the tissue antigens (37 tissues out of 62), followed by red kidney bean phytohemagglutinin-specific antibody (20), soybean agglutinin-specific antibody (20), and peanut agglutinin-specific antibody (15). This reaction between anti-lectin antibodies and many human tissue antigens may be due to possible molecular mimicry and cross-reactivity. After our results confirmed that anti-lectin antibodies bind with human tissues, we wanted to determine the prevalence of these antibodies in the blood of 500 nominally healthy donors. The percentage elevation of antibodies against different lectins ranged from 12 to 16% (Immunoglobulin G), 9.7-14.7% (Immunoglobulin A), 12-18% (Immunoglobulin M), and 7.8-14.6% (Immunoglobulin E). Serial dilutions and inhibition study confirmed that these reactions were specific. Finally, we tested the lectin-specific antibody level in sera both negative and positive for RF and ANA and found that IgM anti-lectin antibody levels were highly correlated with RF but not with ANA level. The reaction of anti-lectin antibodies with human tissue components and their detection in RF-positive samples may describe mechanisms by which the production of antibodies against undigested lectins may contribute to the pathogenesis of some autoimmune diseases.
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43
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Khan MF, Wang H. Environmental Exposures and Autoimmune Diseases: Contribution of Gut Microbiome. Front Immunol 2020; 10:3094. [PMID: 31998327 PMCID: PMC6970196 DOI: 10.3389/fimmu.2019.03094] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/18/2019] [Indexed: 12/12/2022] Open
Abstract
Environmental agents have been gaining more attention in recent years for their role in the pathogenesis of autoimmune diseases (ADs). Increasing evidence has linked environmental exposures, including trichloroethene (TCE), silica, mercury, pristane, pesticides, and smoking to higher risk for ADs. However, potential mechanisms by which these environmental agents contribute to the disease pathogenesis remains largely unknown. Dysbiosis of the gut microbiome is another important environmental factor that has been linked to the onset of different ADs. Altered microbiota composition is associated with impaired intestinal barrier function and dysregulation of mucosal immune system, but it is unclear if gut dysbiosis is a causal factor or an outcome of ADs. In this review article, we first describe the recent epidemiological and mechanistic evidences linking environmental/occupational exposures with various ADs (especially SLE). Secondly, we discuss how changes in the gut microbiome composition (dysbiosis) could contribute to the disease pathogenesis, especially in response to exposure to environmental chemicals.
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Affiliation(s)
- M. Firoze Khan
- Department of Pathology, University of Texas Medical Branch at Galveston, Galveston, TX, United States
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Khatri S, Mellins ED, Torok KS, Bukhari SA, Astakhova K. Combined Assay for Detecting Autoantibodies to Nucleic Acids and Apolipoprotein H in Patients with Systemic Lupus Erythematosus. Methods Mol Biol 2020; 2063:57-71. [PMID: 31667763 DOI: 10.1007/978-1-0716-0138-9_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The complicated clinical picture and biomolecular pattern of human autoimmune diseases (ADs) make knowledge on their etiology still fragmentary. The diagnostic approaches for ADs require improvement both for clinical and research effort to progress. Synthetic biomolecular antigens find growing applications for diagnosis and investigation of ADs. The main goal of this work is to detect interaction between synthetic antigens and autoantibodies in systemic lupus erythematosus within a combined, high-throughput assay. A panel of synthetic antigens has been prepared from DNA, RNA, locked nucleic acids and apolipoprotein H. The binding of synthetic antigens to autoantibodies has been confirmed in sera samples from those with active systemic lupus erythematosus (SLE) by indirect enzyme linked immunosorbent assay. Our study provides an efficient methodology for combined autoantibody profiling in SLE.
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Affiliation(s)
- Sangita Khatri
- Department of Chemistry, Technical University of Denmark, Kgs Lyngby, Denmark.
| | - Elizabeth D Mellins
- Program in Immunology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Kathryn S Torok
- Division of Rheumatology, Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA
| | - Syeda Atia Bukhari
- Department of Chemistry, Technical University of Denmark, Kgs Lyngby, Denmark
| | - Kira Astakhova
- Department of Chemistry, Technical University of Denmark, Kgs Lyngby, Denmark
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45
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Abstract
A new mathematical model of a general autoimmune disease is presented. Basic information about autoimmune diseases is given and illustrated with examples. The model is developed by using ideas from the kinetic theory describing individuals expressing certain functions. The modeled problem is formulated by ordinary and partial equations involving a variable for a functional state. Numerical results are presented and discussed from a medical view point.
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46
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De Luca F, Shoenfeld Y. The microbiome in autoimmune diseases. Clin Exp Immunol 2019; 195:74-85. [PMID: 29920643 DOI: 10.1111/cei.13158] [Citation(s) in RCA: 264] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/23/2018] [Accepted: 05/17/2018] [Indexed: 12/14/2022] Open
Abstract
The microbiome is represented by microorganisms which live in a symbiotic way with the mammalian. Microorganisms have the ability to influence different physiological aspects such as the immune system, metabolism and behaviour. In recent years, several studies have highlighted the role of the microbiome in the pathogenesis of autoimmune diseases. Notably, in systemic lupus erythematosus an alteration of the intestinal flora (lower Firmicutes/Bacteroidetes ratio) has been described. Conversely, changes to the gut commensal and periodontal disease have been proposed as important factors in the pathogenesis of rheumatoid arthritis. At the same time, other autoimmune diseases (i.e. systemic sclerosis, Sjögren's syndrome and anti-phospholipid syndrome) also share modifications of the microbiome in the intestinal tract and oral flora. Herein, we describe the role of the microbiome in the maintenance homeostasis of the immune system and then the alterations of the microorganisms that occur in systemic autoimmune diseases. Finally, we will consider the use of probiotics and faecal transplantation as novel therapeutic targets.
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Affiliation(s)
- F De Luca
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Y Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Israel.,Department of Allergology and Immunology, Niguarda Ca' Granda Metropolitan Hospital, Milan, Italy
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47
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Liu X, Ni S, Li C, Xu N, Chen W, Wu M, van Wijnen AJ, Wang Y. Circulating microRNA-23b as a new biomarker for rheumatoid arthritis. Gene 2019; 712:143911. [PMID: 31176730 PMCID: PMC6724744 DOI: 10.1016/j.gene.2019.06.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 06/03/2019] [Indexed: 01/08/2023]
Abstract
MicroRNA-23b (miR-23b) is associated with inflammation and autoimmune diseases. This study evaluated miR-23b expression and assessed its potential as a biomarker of disease activity for rheumatoid arthritis (RA). Differential expression of microRNAs was determined by miRNA microarray analysis in fibroblast-like synoviocytes (FLSs) from four trauma patients as healthy controls (HCs) and eight RA patients. The microarray results showed elevated expression of miR-23b in FLSs from RA patients and this finding was corroborated by real-time quantitative polymerase chain reaction (RT-qPCR) and in situ hybridization using synovial tissues (STs). Furthermore, we found miR-23b levels in plasma of RA patients were significantly higher than in HCs, and plasma miR-23b levels positively correlated with the erythrocyte sedimentation rate (ESR), hypersensitive C-reactive protein (hs-CRP), C-reactive protein (CRP), DAS28, and platelet (PLT) count (P < 0.05). MiR-23b levels in plasma inversely correlated with the levels of hemoglobin (Hb), total bilirubin (TBIL), direct bilirubin (DBIL), indirect bilirubin (IBIL), total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) (P < 0.05), but not with rheumatoid factor (RF) or anti-cyclic citrullinated peptide antibodies (ACPA) (P > 0.05). Moreover, patients with anorexia showed higher levels of miR-23b in plasma than those without anorexia. Similar results were observed with fatigue. Appropriate treatment for RA not only ameliorated the disease condition but also reversed the elevated plasma miR-23b level remarkably. These results suggest that circulating miR-23b may be a promising biomarker for RA disease activity.
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Affiliation(s)
- Xi Liu
- Department of Rheumatology, The First People's Hospital of Changhzhou, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou 213003, China; Department of Rheumatology, The People's Hospital of Jianyang City, 180 Yiyuan Road, Jianyang 641400, China
| | - Su Ni
- Medical Research Center, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, 29 Xinglong Alley, Changzhou 213003, China
| | - Chenkai Li
- Medical Research Center, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, 29 Xinglong Alley, Changzhou 213003, China
| | - Nanwei Xu
- Department of Orthopedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, 29 Xinglong Alley, Changzhou 213003, China
| | - Wenyang Chen
- Medical Research Center, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, 29 Xinglong Alley, Changzhou 213003, China
| | - Min Wu
- Department of Rheumatology, The First People's Hospital of Changhzhou, The Third Affiliated Hospital of Soochow University, 185 Juqian Road, Changzhou 213003, China
| | - Andre J van Wijnen
- Department of Orthopedic Surgery and Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA.
| | - Yuji Wang
- Department of Orthopedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, 29 Xinglong Alley, Changzhou 213003, China; Department of Orthopedic Surgery and Biochemistry & Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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48
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Martirosyan A, Aminov R, Manukyan G. Environmental Triggers of Autoreactive Responses: Induction of Antiphospholipid Antibody Formation. Front Immunol 2019; 10:1609. [PMID: 31354742 PMCID: PMC6635959 DOI: 10.3389/fimmu.2019.01609] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 06/27/2019] [Indexed: 12/19/2022] Open
Abstract
Antiphospholipid antibodies (aPLs) comprise a diverse family of autoantibodies targeted against proteins with the affinity toward negatively charged phospholipids or protein-phospholipid complexes. Their clinical significance, including prothrombotic potential of anti-cardiolipin antibodies (aCLs), anti-β2-glycoprotein I antibodies (aβ2-GPIs), and lupus anti-coagulant (LA), is well-established. However, the ontogeny of these pathogenic aPLs remains less clear. While transient appearance of aPLs could be induced by various environmental factors, in genetically predisposed individuals these factors may eventually lead to the development of the antiphospholipid syndrome (APS). Since the first description of APS, it has been found that a wide variety of microbial and viral agents influence aPLs production and contribute to clinical manifestations of APS. Many theories attempted to explain the pathogenic potential of different environmental factors as well as a phenomenon termed molecular mimicry between β2-GPI molecule and infection-relevant structures. In this review, we summarize and critically assess the pathogenic and non-pathogenic formation of aPLs and its contribution to the development of APS.
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Affiliation(s)
- Anush Martirosyan
- Laboratory of Molecular and Cellular Immunology, Institute of Molecular Biology, Yerevan, Armenia.,Russian-Armenian (Slavonic) University, Yerevan, Armenia
| | - Rustam Aminov
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, United Kingdom
| | - Gayane Manukyan
- Laboratory of Molecular and Cellular Immunology, Institute of Molecular Biology, Yerevan, Armenia.,Russian-Armenian (Slavonic) University, Yerevan, Armenia
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49
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Systemic Sclerosis is Linked to Psoriasis and May Impact on Patients' Survival: A Large Cohort Study. J Clin Med 2019; 8:jcm8040521. [PMID: 30995800 PMCID: PMC6517892 DOI: 10.3390/jcm8040521] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 04/02/2019] [Accepted: 04/08/2019] [Indexed: 12/12/2022] Open
Abstract
Although skin manifestations are quite common in systemic sclerosis (SSc), a link between SSc and psoriasis (PsO) has been poorly investigated. We assessed the Clalit medical database in a cohort study to compare the prevalence of PsO between SSc-patients and SSc-free controls. We also evaluated the SSc-related autoantibodies’ role in the co-existence of the two conditions. Survival analysis was performed using both univariate (Kaplan–Meier, log-rank test) and multivariate (Cox proportional-hazards technique) analyses. Our cohort of 2,431 SSc-patients was age- and gender-matched with 12,710 controls (case-control match 1:5.2). There were 150 (1.2%) cases of PsO among controls and 47 (1.9%) among SSc-patients (p = 0.0027). A SSc diagnosis was an independent risk factor for PsO with an odds ratio (OR) of 2.16 (95%CI 1.38–3.39, p = 0.0008). Among SSc-patients, 98.6% with PsO were antinuclear antibodies (ANA)-negative. In terms of survival, the mortality rate in SSc-patients with PsO was lower than SSc without PsO (14.9% vs. 26%, p < 0.0001). At the multivariate-analysis, SSc-patients with PsO compared to SSc-patients without PsO had an OR for death of 0.44 (95%CI 0.19–0.99, p < 0.05). SSc is independently associated with PsO. The cases with concurrent PsO and SSc are almost exclusively ANA-negative and may exhibit a better survival.
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50
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Zamanpoor M. The genetic pathogenesis, diagnosis and therapeutic insight of rheumatoid arthritis. Clin Genet 2019; 95:547-557. [PMID: 30578544 DOI: 10.1111/cge.13498] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 12/16/2022]
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease that causes chronic inflammation of the joints. RA is a heterogeneous disorder caused by an abnormal autoimmune response triggered by the complex interactions of genetic and environmental factors that contribute to RA etiology. However, its underlying pathogenic mechanisms are yet to be fully understood. In this review, I provide an overview of the pathogenesis, diagnosis and therapeutic insight in the clinical management of RA in light of the recent updates to classification criteria and recent discoveries of genetic loci associated with susceptibility for RA.
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Affiliation(s)
- Mansour Zamanpoor
- Department of Biochemistry, University of Otago, Dunedin, New Zealand.,Wellington Regional Genetics Laboratory, Genetic Health Service New Zealand, Wellington Regional Hospital, Wellington, New Zealand
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