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Xu M, Leskinen K, Gritti T, Groma V, Arola J, Lepistö A, Sipponen T, Saavalainen P, Söderlund-Venermo M. Prevalence, Cell Tropism, and Clinical Impact of Human Parvovirus Persistence in Adenomatous, Cancerous, Inflamed, and Healthy Intestinal Mucosa. Front Microbiol 2022; 13:914181. [PMID: 35685923 PMCID: PMC9171052 DOI: 10.3389/fmicb.2022.914181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 04/25/2022] [Indexed: 11/18/2022] Open
Abstract
Parvoviruses are single-stranded DNA viruses, infecting many animals from insects to humans. Human parvovirus B19 (B19V) causes erythema infectiosum, arthropathy, anemia, and fetal death, and human bocavirus (HBoV) 1 causes respiratory tract infections, while HBoV2-4 are enteric. Parvoviral genomes can persist in diverse non-permissive tissues after acute infection, but the host-cell tropism and the impact of their tissue persistence are poorly studied. We searched for parvoviral DNA in a total of 427 intestinal biopsy specimens, as paired disease-affected and healthy mucosa, obtained from 130 patients with malignancy, ulcerative colitis (UC), or adenomas, and in similar intestinal segments from 55 healthy subjects. Only three (1.6%) individuals exhibited intestinal HBoV DNA (one each of HBoV1, 2, and 3). Conversely, B19V DNA persisted frequently in the intestine, with 50, 47, 31, and 27% detection rates in the patients with malignancy, UC, or adenomas, and in the healthy subjects, respectively. Intra-individually, B19V DNA persisted significantly more often in the healthy intestinal segments than in the inflamed colons of UC patients. The highest loads of B19V DNA were seen in the ileum and colon specimens of two healthy individuals. With dual-RNAscope in situ hybridization and immunohistochemistry assays, we located the B19V persistence sites of these intestines in mucosal B cells of lymphoid follicles and vascular endothelial cells. Viral messenger RNA transcription remained, however, undetected. RNA sequencing (RNA-seq) identified 272 differentially expressed cellular genes between B19V DNA-positive and -negative healthy ileum biopsy specimens. Pathway enrichment analysis revealed that B19V persistence activated the intestinal cell viability and inhibited apoptosis. Lifelong B19V DNA persistence thus modulates host gene expression, which may lead to clinical outcomes.
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Affiliation(s)
- Man Xu
- Department of Virology, University of Helsinki, Helsinki, Finland
| | - Katarzyna Leskinen
- Research Programs Unit, Department of Immunobiology, University of Helsinki, Helsinki, Finland
| | - Tommaso Gritti
- Department of Virology, University of Helsinki, Helsinki, Finland
| | - Valerija Groma
- Joint Laboratory of Electron Microscopy, Riga Stradin,s University, Riga, Latvia
| | - Johanna Arola
- Department of Pathology, University of Helsinki, Helsinki, Finland
- HUS Diagnostic Centre, Helsinki University Hospital, Helsinki, Finland
| | - Anna Lepistö
- Department of Colorectal Surgery, Helsinki University Hospital, Helsinki, Finland
- Applied Tumor Genomics, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - Taina Sipponen
- HUCH Abdominal Center, Helsinki University Hospital, Helsinki, Finland
| | - Päivi Saavalainen
- Research Programs Unit, Department of Immunobiology, University of Helsinki, Helsinki, Finland
- Folkhälsan Research Center, Helsinki, Finland
| | - Maria Söderlund-Venermo
- Department of Virology, University of Helsinki, Helsinki, Finland
- *Correspondence: Maria Söderlund-Venermo,
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Scott J, Hartnett J, Mockler D, Little MA. Environmental risk factors associated with ANCA associated vasculitis: A systematic mapping review. Autoimmun Rev 2020; 19:102660. [PMID: 32947040 DOI: 10.1016/j.autrev.2020.102660] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 03/29/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND Anti-neutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV) is a rare multi-system autoimmune disease, characterised by a pauci-immune necrotising small-vessel vasculitis, with a relapsing and remitting course. Like many autoimmune diseases, the exact aetiology of AAV, and the factors that influence relapse are unknown. Evidence suggests a complex interaction of polygenic genetic susceptibility, epigenetic influences and environmental triggers. This systematic mapping review focuses on the environmental risk factors associated with AAV. The aim was to identify gaps in the literature, thus informing further research. METHODS Articles that examined any environmental risk factor in AAV disease activity (new onset disease or relapse) were included. Studies had to make explicit reference to AAV, which includes the 3 clinico-pathological phenotypes (GPA, MPA and EGPA), rather than isolated ANCA-positivity. All articles identified were English-language, full manuscripts involving adult humans (>16 years). There was no restriction on publication date and all study designs, except single case reports, were included. The systematic search was performed on 9th December 2019, using the following databases: EMBASE, Medline (Ovid), Cochrane Library, CINAHL and Web of Science. RESULTS The search yielded a total of 2375 articles. 307 duplicates were removed, resulting in the title and abstract of 2068 articles for screening. Of these, 1809 were excluded. Thus, 259 remained for full-text review, of which 181 were excluded. 78 articles were included in this review. The most notable findings support the role of various pollutants - primarily silica and other environmental antigens released during natural disasters and through farming. Assorted geoepidemiological triggers were also identified including seasonality and latitude-dependent factors such as UV radiation. Finally, infection was tightly associated, but the exact microorganism(s) is not clear - Staphylococcus aureus is the most presently convincing. CONCLUSION The precise aetiology of AAV has yet to be elucidated. It is likely that different triggers, and the degree to which they influence disease activity, vary by subgroup (e.g. ANCA subtype, geographic region). There is a need for more interoperable disease registries to facilitate international collaboration and hence large-scale epidemiological studies, with novel analytical techniques.
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Affiliation(s)
- Jennifer Scott
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Ireland
| | - Jack Hartnett
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Ireland
| | - David Mockler
- John Stearne Medical Library, School of Medicine, Trinity College Dublin, Ireland
| | - Mark A Little
- Trinity Health Kidney Centre, Trinity Translational Medicine Institute, Trinity College Dublin, Ireland; ADAPT Centre, Trinity College Dublin, Ireland.
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Luqmani RA, Águeda A, O'Neill L. Small- and Medium-Vessel Primary Vasculitis. Clin Immunol 2019. [DOI: 10.1016/b978-0-7020-6896-6.00058-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Abstract
Parvovirus B19 (B19V) and human bocavirus 1 (HBoV1), members of the large Parvoviridae family, are human pathogens responsible for a variety of diseases. For B19V in particular, host features determine disease manifestations. These viruses are prevalent worldwide and are culturable in vitro, and serological and molecular assays are available but require careful interpretation of results. Additional human parvoviruses, including HBoV2 to -4, human parvovirus 4 (PARV4), and human bufavirus (BuV) are also reviewed. The full spectrum of parvovirus disease in humans has yet to be established. Candidate recombinant B19V vaccines have been developed but may not be commercially feasible. We review relevant features of the molecular and cellular biology of these viruses, and the human immune response that they elicit, which have allowed a deep understanding of pathophysiology.
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Affiliation(s)
- Jianming Qiu
- Department of Microbiology, Molecular Genetics and Immunology, University of Kansas Medical Center, Kansas City, Kansas, USA
| | | | - Neal S Young
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
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Almouhawis HA, Leao JC, Fedele S, Porter SR. Wegener's granulomatosis: a review of clinical features and an update in diagnosis and treatment. J Oral Pathol Med 2013; 42:507-16. [PMID: 23301777 DOI: 10.1111/jop.12030] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2012] [Indexed: 01/31/2023]
Abstract
Wegener's granulomatosis (WG) is an idiopathic, systemic inflammatory disease characterized by necrotizing granulomatous inflammation and pauci-immune small-vessel vasculitis of upper and lower respiratory tract and kidneys. The condition affects both genders equally, although some inconsistent gender differences have been observed. The aetiology of WG remains unknown although a number of exogenous factors have been suggested to be of aetiological relevance. Most clinical characteristics of this disease are non-specific, making clinical diagnosis challenging. Histopathological examination of lesional and peritoneal tissue is not pathognomonic, but is an essential investigation to confirm the presence of disease and exclude other disorders. At present, despite the increasingly wide range of potential therapies, cyclophosphamide plus corticosteroids remain the most recognized and effective means of inducing and sustaining remission of WG.
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Affiliation(s)
- Hanan A Almouhawis
- Oral Medicine unit, Department of Maxillofacial Medicine and Surgery, UCL Eastman Dental Institute, London, UK
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Chen M, Kallenberg CG. The environment, geoepidemiology and ANCA-associated vasculitides. Autoimmun Rev 2010; 9:A293-8. [DOI: 10.1016/j.autrev.2009.10.008] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Abstract
Infectious agents have been implicated in the etiopathogenesis of various vasculitides via numerous and overlapping mechanisms including direct microbial invasion of endothelial cells, immune complex mediated vessel wall damage and stimulation of autoreactive B and/or T cells through molecular mimicry and superantigens. While the causative role of hepatitis B virus in polyarteritis nodosa and hepatitis C virus in mixed cryoglobulinemia is clearly established, evidence for the association of other infectious agents with vasculitis, including human immunodeficiency virus, parvovirus B19, cytomegalovirus, varicella zoster virus, Staphylococcus aureus, rickettsiaceae, Treponema pallidum and Borrelia burgdorferi, among numerous others, is accumulating. The spectrum of association of infectious agents; bacteria, viruses and parasites, with systemic vasculitides, will be reviewed herewith.
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Affiliation(s)
- Merav Lidar
- Center for Autoimmune Diseases, Rheumatology Unit, Sheba Medical Center (SMC), Tel Hashomer and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Pordeus V, Szyper-Kravitz M, Levy RA, Vaz NM, Shoenfeld Y. Infections and autoimmunity: a panorama. Clin Rev Allergy Immunol 2008; 34:283-99. [PMID: 18231878 PMCID: PMC7090595 DOI: 10.1007/s12016-007-8048-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
For more than 2,000 years, it was thought that malignant spirits caused diseases. By the end of nineteenth century, these beliefs were displaced by more modern concepts of disease, namely, the formulation of the “germ theory,” which asserted that bacteria or other microorganisms caused disease. With the emergence of chronic degenerative and of autoimmune diseases in the last century, the causative role of microorganisms has been intensely debated; however, no clear explanatory models have been achieved. In this review, we examine the current available literature regarding the relationships between infections and 16 autoimmune diseases. We critically analyzed clinical, serological, and molecular associations, and reviewed experimental models of induction of and, alternatively, protection from autoimmune diseases by infection. After reviewing several studies and reports, a clinical and experimental pattern emerges: Chronic and multiple infections with viruses, such as Epstein–Barr virus and cytomegalovirus, and bacteria, such as H. pylori, may, in susceptible individuals, play a role in the evolvement of autoimmune diseases. As the vast majority of infections pertain to our resident microbiota and endogenous retroviruses and healthy carriage of infections is the rule, we propose to focus on understanding the mechanisms of this healthy carrier state and what changes its configurations to infectious syndromes, to the restoration of health, or to the sustaining of illness into a chronic state and/or autoimmune disease. It seems that in the development of this healthy carriage state, the infection or colonization in early stages of ontogenesis with key microorganisms, also called ‘old friends’ (lactobacilli, bifidobacteria among others), are important for the healthy living and for the protection from infectious and autoimmune syndromes.
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Affiliation(s)
- V Pordeus
- Clinical Research, Pro Cardiaco Hospital Research Center-PROCEP, Rio de Janeiro, Brazil
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de Lind van Wijngaarden RAF, van Rijn L, Hagen EC, Watts RA, Gregorini G, Tervaert JWC, Mahr AD, Niles JL, de Heer E, Bruijn JA, Bajema IM. Hypotheses on the etiology of antineutrophil cytoplasmic autoantibody associated vasculitis: the cause is hidden, but the result is known. Clin J Am Soc Nephrol 2007; 3:237-52. [PMID: 18077783 DOI: 10.2215/cjn.03550807] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The first description of what is now known as antineutrophil cytoplasmic autoantibody-associated necrotizing vasculitis appeared more than 140 yr ago. Since then, many aspects of the pathogenic pathway have been elucidated, indicating the involvement of antineutrophil cytoplasmic autoantibodies, but why antineutrophil cytoplasmic autoantibodies are produced in the first place remains unknown. Over the years, many hypotheses have emerged addressing the etiology of antineutrophil cytoplasmic antibody production, but no exclusive factor or set of factors can so far be held responsible. Herein is reviewed the most influential hypotheses regarding the causes of antineutrophil cytoplasmic antibody-associated vasculitis with the aim of placing in an epidemiologic background the different hypotheses that are centered on environmental and genetic influences.
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Abstract
The participation of genetic and environmental factors has always been invoked in the pathogenesis of the autoimmune systemic diseases, including the primary vasculitides. Among the environmental factors, infections, fundamentally those having a viral nature, have always been focused on, especially after the discovery of the close existing relationship between the polyarteritis nodosa and the hepatitis B virus, on the one hand, and mixed cryoglobulinemia and the hepatitis C virus, on the other. The present review summarizes data from the most recent literature related to associations between virus infections and primary vasculitides, following the Chapel-Hill vasculitis classification.
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Affiliation(s)
- B Cervantes Bonet
- Unidad de Enfermedades Autoinmunes Sistémicas, Hospital Clínico San Cecilio, Granada, España
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Abstract
OBJECTIVES The knowledge of systemic necrotizing vasculitides improved since new classifications have been established along with a better understanding of pathogenesis of the diseases. The major vasculitides are described herein. CURRENT KNOWLEDGE AND KEY POINTS Pathogenesis plays now a major role for classifying diseases and influences the diagnostic strategies. The prospective therapeutic trials established by French and European groups are largely based on our better knowledge of the diseases. FUTURE PROSPECTS AND PROJECTS Despite the good results obtained with and demonstrated in prospective trials, the vasculitides remain severe and deserve new studies testing new drugs but also strategies based on prognostic factors and scores which should play a major role in treatments decision.
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