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Morais HGDF, Costa CSDO, Medeiros MRDS, Carlan LM, Gonzaga AKG, Freitas RDA, da Silveira ÉJD, de Oliveira PT. Pemphigus vulgaris and mucous membrane pemphigoid: A systematic review of clinical manifestations, diagnosis, and treatment. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2024; 125:101960. [PMID: 38960026 DOI: 10.1016/j.jormas.2024.101960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 06/08/2024] [Accepted: 06/30/2024] [Indexed: 07/05/2024]
Abstract
Pemphigus vulgaris (PV) and mucous membrane pemphigoid (MMP) are mucocutaneous autoimmune diseases characterized by blistering lesions of mucous membranes and skin, with very similar clinical manifestations. This study aimed to systematically review the literature on the clinical and demographic profile, diagnostic methods, and treatment of patients with pemphigus vulgaris (PV) and mucous membrane pemphigoid (MMP). Studies describing cases of PV and MMP diagnosed by direct immunofluorescence that exhibited intraoral manifestations were included. Thirty-two articles were included, with 18 studies on PV and 15 on MMP, corresponding to 50 and 123 cases diagnosed as PV and MMP, respectively. Most patients with PV (64 %) and MMP (81.3 %) were women in the fifth and sixth decade of life, respectively. The mouth was the primary site of involvement both in PV (71.4 %) and in MMP (91 %). The cheek mucosa and gingiva were the most frequently affected intraoral sites in PV (30 %) and MMP (64.2 %), respectively. Direct immunofluorescence was positive for IgG in all cases of the two conditions. The treatment of choice was systemic corticosteroid therapy for patients with PV (50 %) and topical treatment for patients with MMP (53.7 %). Differences in intraoral site predilection, extraoral involvement, and the results of diagnostic tests allow us to trace the clinical, demographic, and diagnostic profile of PV and MMP that contributes to differential diagnosis and therapeutic management.
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van Beek N, Holtsche MM, Atefi I, Olbrich H, Schmitz MJ, Pruessmann J, Vorobyev A, Schmidt E. State-of-the-art diagnosis of autoimmune blistering diseases. Front Immunol 2024; 15:1363032. [PMID: 38903493 PMCID: PMC11187241 DOI: 10.3389/fimmu.2024.1363032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/15/2024] [Indexed: 06/22/2024] Open
Abstract
Autoimmune blistering disorders (AIBDs) are a heterogeneous group of approximately a dozen entities comprising pemphigus and pemphigoid disorders and dermatitis herpetiformis. The exact diagnosis of AIBDs is critical for both prognosis and treatment and is based on the clinical appearance combined with the detection of tissue-bound and circulating autoantibodies. While blisters and erosions on the skin and/or inspectable mucosal surfaces are typical, lesions may be highly variable with erythematous, urticarial, prurigo-like, or eczematous manifestations. While direct immunofluorescence microscopy (IFM) of a perilesional biopsy is still the diagnostic gold standard, the molecular identification of the major target antigens opened novel therapeutic avenues. At present, most AIBDs can be diagnosed by the detection of autoantigen-specific serum antibodies by enzyme-linked immunosorbent assay (ELISA) or indirect IFM when the clinical picture is known. This is achieved by easily available and highly specific and sensitive assays employing recombinant immunodominant fragments of the major target antigens, i.e., desmoglein 1 (for pemphigus foliaceus), desmoglein 3 (for pemphigus vulgaris), envoplakin (for paraneoplastic pemphigus), BP180/type XVII collagen (for bullous pemphigoid, pemphigoid gestationis, and mucous membrane pemphigoid), laminin 332 (for mucous membrane pemphigoid), laminin β4 (for anti-p200 pemphigoid), type VII collagen (for epidermolysis bullosa acquisita and mucous membrane pemphigoid), and transglutaminase 3 (for dermatitis herpetiformis). Indirect IFM on tissue substrates and in-house ELISA and immunoblot tests are required to detect autoantibodies in some AIBD patients including those with linear IgA disease. Here, a straightforward modern approach to diagnosing AIBDs is presented including diagnostic criteria according to national and international guidelines supplemented by long-term in-house expertise.
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Affiliation(s)
- Nina van Beek
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Maike M. Holtsche
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Ingeborg Atefi
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Henning Olbrich
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Marie J. Schmitz
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Jasper Pruessmann
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Artem Vorobyev
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
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Hu Z, Zheng M, Guo Z, Zhou W, Zhou W, Yao N, Zhang G, Lu Q, Zhao M. Single-cell sequencing reveals distinct immune cell features in cutaneous lesions of pemphigus vulgaris and bullous pemphigoid. Clin Immunol 2024; 263:110219. [PMID: 38631594 DOI: 10.1016/j.clim.2024.110219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/27/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
Bullous pemphigoid (BP) and pemphigus vulgaris (PV) are two common subtypes of autoimmune bullous disease (AIBD). The key role of circulating autoreactive immune cells contributing to skin damage of AIBD has been widely recognized. Nevertheless, the immune characteristics in cutaneous lesions remain unclear. Here, we performed single-cell RNA sequencing (scRNA-seq) and single-cell VDJ sequencing (scRNA-seq) to generate transcriptional profiles for cells and T/B cell clonetype in skin lesions of BP and PV. We found that the proportions of NK&T, macrophages/ dendritic cells, B cells, and mast cells increased in BP and PV lesions. Then, BP and PV cells constituted over 75% of all myeloid cell subtypes, CD4+ T cell subtypes and CD8+ T cell subtypes. Strikingly, CD8+ Trm was identified to be expanded in PV, and located in the intermediate state of the pseudotime trajectory from CD8+ Tm to CD8+ Tem. Interestingly, CD8+ Tem and CD4+ Treg highly expressed exhaustion-related genes, especially in BP lesions. Moreover, the enhanced cell communication between stromal cells and immune cells like B cells and macrophages/ dendritic cells was also identified in BP and PV lesions. Finally, clone expansion was observed in T cells of BP and PV compared with HC, while CD8+ Trm represented the highest ratio of hyperexpanded TCR clones among all T cell subtypes. Our study generally depicts a large and comprehensive single-cell landscape of cutaneous lesions and highlights immune cell features in BP and PV. This offers potential research targets for further investigation.
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Affiliation(s)
- Zhi Hu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing 210042, China; Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Meiling Zheng
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing 210042, China; Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Ziyu Guo
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Wenhui Zhou
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Wenyu Zhou
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Nan Yao
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Guiying Zhang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China.
| | - Qianjin Lu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing 210042, China.
| | - Ming Zhao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing 210042, China; Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital of Central South University, Changsha 410011, China.
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Rana D, Khurana N, Mandal S, Sahoo BL. Direct immunofluorescence (DIF) versus immunohistochemical (IHC) staining of complements and immunoglobulins (Ig) in pemphigus group. INDIAN J PATHOL MICR 2024; 67:336-339. [PMID: 38427745 DOI: 10.4103/ijpm.ijpm_113_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 09/15/2023] [Indexed: 03/03/2024] Open
Abstract
INTRODUCTION Pemphigus is a group of bullous disorders of the skin characterized by the formation of autoantibodies present in the intercellular junction of the epidermis. Diagnosis is made by clinical, histopathological examination, and DIF. As DIF needs frozen sections, fluorescent tagged antibodies, UV light microscope for examination, and trained personnel, its non-availability makes a definitive diagnosis challenging. AIMS AND OBJECTIVES To evaluate the utility of IHC staining of complements and Ig in cases of Pemphigus. MATERIALS AND METHODS Twenty-six diagnosed cases of Pemphigus were stained by Peroxidase immunohistochemical method using monoclonal antibody to IgG, IgA, IgM, IgG4, C3, C4 d with DAB as chromogen. Pemphigus cases include twenty of pemphigus vulgaris (PV), four cases of pemphigus foliaceous (PF), and two of pemphigus vegetans (Pveg). Positivity was defined as the deposition of Ig and complements as distinct, continuous brown staining of keratinocytes at intercellular junctions. RESULT On IHC total of 20 PV 17 showed positivity (85%) for IgG, 11 (55%) C4d, 19 (95%) C3d, and 16 (80%) IgG4 deposits at the intercellular junction of the epidermis. All cases of PF showed a deposit of IgG, with three (75%) cases for IgG4, C3d, and C4d. Both cases of Pveg showed positivity for IgG and C4d while one case was negative for IgG4 and C3d. The overall IgG, C3, IgG4, and C4d expression for pemphigus was seen in 88%, 88%, 76.9%, and 61.5% of cases. The relation between these markers, combination of IgG and C3, was best related to each other ( P value = 0.80). The sensitivities for IgG, IgG4, and C3 were 77.8%%, 73%, and 73% resp. CONCLUSION We conclude that IHC is a useful tool in the diagnosis of PV with the highest sensitivity of IgG and C3d. The combination of IgG and C3d could replace the DIF in almost all of our cases, so IHC on FFPE sections be used as an alternative method to DIF.
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Affiliation(s)
- Deepika Rana
- Department of Pathology, Maulana Azad Medical College, New Delhi, Delhi, India
| | - Nita Khurana
- Department of Pathology, Maulana Azad Medical College, New Delhi, Delhi, India
| | - Shramana Mandal
- Department of Pathology, Maulana Azad Medical College, New Delhi, Delhi, India
| | - Bijay Laxmi Sahoo
- Department of Dermatology, Maulana Azad Medical College, New Delhi, Delhi, India
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Mee JB. Diagnostic Techniques in Autoimmune Blistering Diseases. Br J Biomed Sci 2023; 80:11809. [PMID: 38074463 PMCID: PMC10704243 DOI: 10.3389/bjbs.2023.11809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023]
Abstract
Autoimmune blistering diseases (AIBD) comprise a heterogeneous group of uncommon disorders of the skin and mucous membranes, characterised by antibodies targeting structural proteins within epithelial tissue and the underlying basement membrane. There can be significant overlap in clinical presentation of these diseases and accurate diagnosis relies on the detection and characterisation of relevant autoantibodies. Immunofluorescence provides the gold-standard diagnostic tool for these diseases, identifying both tissue-bound autoantibodies in biopsy material using direct immunofluorescence and circulating antibodies in serum through indirect immunofluorescence. Following advances in the identification and subsequent characterisation of numerous antigenic targets in these diseases, the development of antigen-specific tests, in particular, enzyme-linked immunosorbent assays on serum specimens, has provided a third key tool to not only identify, but also quantify AIBD autoantibodies. This quantification has proven particularly useful in monitoring disease activity and informing clinical management decisions. Accurate diagnosis of these diseases is important since optimal treatment strategies differ between them and, prognostically, some diagnoses are associated with an increased risk of malignancy. This review outlines the molecular pathology underlying the major AIBD and describes how the three principal techniques can be used in combination, to provide best practice for diagnosis and treatment monitoring.
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Affiliation(s)
- John B. Mee
- Immunodermatology Laboratory, St John’s Institute of Dermatology, Synnovis Analytics, St Thomas’ Hospital, London, United Kingdom
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Hundt JE, Sadik CD, van Beek N, Busch H, Caux F, Goebeler M, Hammers CM, Hartmann K, Hashimoto T, Ibrahim S, Kasperkiewicz M, Murrell DF, Recke A, Rose C, Schumacher N, Shimanovich I, Sitaru C, Terheyden P, Thaçi D, Ludwig RJ, Schmidt E. A life for autoimmune blistering diseases: in memoriam Detlef Zillikens. Front Immunol 2023; 14:1291590. [PMID: 38175817 PMCID: PMC10621786 DOI: 10.3389/fimmu.2023.1291590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 09/22/2023] [Indexed: 01/06/2024] Open
Abstract
Detlef Zillikens, MD, director and chair of the Department of Dermatology at the University of Lübeck, Lübeck, Germany, died in September 2022, aged only 64. He dedicated his professional life to autoimmune blistering diseases (AIBDs) and built his department into one of the world's leading centers for these diseases. Herein, his professional life and the impact on the field of AIBDs and the research landscape at the University of Lübeck are addressed. With his warm, integrative, open-minded, ever-optimistic attitude, he was a highly reliable colleague, mentor, and friend to many in the field including each of the authors. Combined with his in-depth knowledge of dermatology, interest in many fields of life science, and hard work, Detlef Zillikens initiated the founding of two independent research institutes, the Lübeck Institute of Experimental Dermatology and the Institute and Comprehensive Center for Inflammation Medicine. He was also instrumental in establishing the Center for Research on Inflammation of the Skin, where in a new research building, over 140 scientists pursue research questions related to skin inflammation. By inviting numerous researchers and clinicians to his department and hosting two large international meetings, he brought the field of AIBDs much closer together and inspired multiple national and international research initiatives. His ideas will live on and grow in many of his colleagues and mentees.
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Affiliation(s)
- Jennifer E. Hundt
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | | | - Nina van Beek
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Hauke Busch
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - Frédéric Caux
- Department of Dermatology, Groupe Hospitalier Paris Seine-Saint-Denis, AP-HP, Bobigny, France
| | - Matthias Goebeler
- Department of Dermatology, University of Würzburg, Würzburg, Germany
| | - Christoph M. Hammers
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
- Department of Dermatology, University of Kiel, Kiel, Germany
| | | | - Takashi Hashimoto
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Saleh Ibrahim
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
- Khalifa University, Abu Dhabi, United Arab Emirates
| | - Michael Kasperkiewicz
- Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Dedee F. Murrell
- Department of Dermatology, St George Hospital, University of New South Wales (UNSW), Sydney, NSW, Australia
| | - Andreas Recke
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Christian Rose
- Department of Dermatology, University of Lübeck, Lübeck, Germany
- Dermatohistologisches Einsendelabor Lübeck, Lübeck, Germany
| | - Nina Schumacher
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | | | - Cassian Sitaru
- Department of Dermatology, Faculty of Medicine, Medical Center-University of Freiburg, Freiburg, Germany
| | | | - Diamant Thaçi
- Institute and Comprehensive Center for Inflammation Medicine (CCIM), University of Lübeck, Lübeck, Germany
| | - Ralf J. Ludwig
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
- Department of Dermatology, University of Lübeck, Lübeck, Germany
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Ahmed AR, Kalesinskas M, Kooper-Johnson S. Paraneoplastic autoimmune Laminin-332 syndrome (PALS): Anti-Laminin-332 mucous membrane pemphigoid as a prototype. Autoimmun Rev 2023; 22:103444. [PMID: 37673192 DOI: 10.1016/j.autrev.2023.103444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 09/03/2023] [Indexed: 09/08/2023]
Abstract
IMPORTANCE Laminin-332 is an important component of the basement membrane. Recently, autoantibodies to Laminin-332 have been described in several autoimmune diseases. Many of these autoimmune diseases have a high incidence of malignancy. The importance of Laminin-332 autoantibodies and its relationship to malignancy is highlighted by using Laminin-332 Pemphigoid (LM-332Pg) as a prototype. OBJECTIVE To identify several autoimmune diseases that have autoantibodies to Laminin-332 present, and to determine the prevalence of malignancy in them. Using Laminin-332 Pemphigoid (LM-332Pg) as a prototype, to compare clinical profiles of LM-332Pg patients with and without cancer. By identifying the temporal detection of cancer, can the influence of autoantibodies to Laminin-332 on prognosis be determined. EVIDENCE REVIEW A literature search was conducted to identify autoimmune and inflammatory diseases in which autoantibodies to Laminin-332 were present. Subsequently, the rate of malignancy in these autoimmune diseases was determined. A search for publications on LM-332Pg patients to determine cancer rates and clinical outcomes to examine if a relationship can be proposed, was performed. FINDINGS Autoantibodies to Laminin-332 were detected in recent studies of systemic lupus erythematosus (SLE), psoriasis, bronchiolitis obliterans (BO), graft-vs-host disease (GVH), bullous pemphigoid (BP), lichen planus (LP), epidermolysis bullosa acquisita (EBA), and membranous glomerulonephropathy (MGN). A high incidence of cancer rate was reported in these autoimmune diseases including primary Sjögren's syndrome (pSS), systemic sclerosis (SS), dermatomyositis (DM), multiple sclerosis (MS), immune thrombocytopenia purpura (ITP), and rheumatoid arthritis (RA). Data analysis demonstrated that LM-332Pg patients had a higher risk of developing ovarian, uterine, lung, gastric cancers and leukemia. The incidence for breast cancer was lower, when compared with global cancer rates. Patients diagnosed with cancer after the presence of LM-332Pg had higher rates of mortality and lower rates of remission, compared to those diagnosed with cancer prior to the discovery/diagnosis of LM-332Pg. When studied, levels of Laminin-332 autoantibodies correlated with the presence or absence of malignancy. CONCLUSIONS AND RELEVANCE Preliminary analysis suggests that autoantibodies to Laminin-332 are present in multiple autoimmune diseases, which also have a high incidence of malignancy. Detailed analysis of available data highlights that patients who developed LM-332Pg after cancer was diagnosed, had a more favorable prognosis, compared to patients who developed cancer when LM-332Pg was previously present. Preliminary data would suggest that autoantibodies to Laminin-332 could serve as an important biomarker in certain patients, for correlation with possible incidence of malignancy.
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Affiliation(s)
- A Razzaque Ahmed
- Department of Dermatology, Tufts University School of Medicine, Boston, MA 02111, USA; Center for Blistering Diseases, Boston, MA 02135, USA.
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Yuan Q, Yang W, Zhang X. Immune cells in pemphigus vulgaris and bullous Pemphigoid: From pathogenic roles to targeting therapies. Int Immunopharmacol 2023; 123:110694. [PMID: 37523970 DOI: 10.1016/j.intimp.2023.110694] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/27/2023] [Accepted: 07/19/2023] [Indexed: 08/02/2023]
Abstract
Pemphigus vulgaris (PV) and bullous pemphigoid (BP) are two major subtypes of autoimmune bullous diseases (AIBD), characterized by blisters and erosions of skin and/or mucous membranes with dysregulated immune activity. Current literature established that T and B cells are the main executors of PV and BP. Emerging evidence revealed that macrophages and related cytokines also contribute to these diseases. While the role of lymphocytes on PV and BP is well established, the definitive functions of macrophages in disease progression are not fully understood. Furthermore, current status of clinical trials targeting immune cells is poorly recapitulated in PV and BP. In this review, we summarized current knowledge in this rapidly advancing field, with emphasis on the individual functions of immune cells and their interactions, as well as ongoing clinical trials targeting immune cells, to provide novel insights in mechanistic understanding and clinical management of PV and BP.
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Affiliation(s)
- Qiuyun Yuan
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China
| | - Wanchun Yang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan Province, China
| | - Xuefeng Zhang
- State Key Laboratory of Oral Diseases, National Center of Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, Sichuan Province, China.
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Venkataswamy C, Vinayagam N, Shanmugasundaram S, Rai R. Utility of the pattern-based approach using BIOCHIP-indirect immunofluorescence in the evaluation of subepidermal bullous disorders. J Cutan Pathol 2023; 50:259-265. [PMID: 36444506 DOI: 10.1111/cup.14368] [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: 06/08/2022] [Revised: 11/12/2022] [Accepted: 11/26/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Subepidermal bullous disorders (SEBD) are a heterogeneous group of vesiculobullous diseases because of antibody-mediated destruction of proteins of the dermo-epidermal junction. Direct immunofluorescence (DIF) is the gold standard for diagnosis. BIOCHIP-indirect immunofluorescence (IIF) is a novel serological test that combines multiple target antigens in a single field. The present study aimed to evaluate the utility of the pattern-based approach in BIOCHIP-IIF for the diagnosis of SEBD. METHODS Seventy cases of BIOCHIP-IIF that showed clinical, histopathological, and/or DIF features favoring SEBD were included in the study. The interpretation in the BIOCHIP was categorized into one of the following patterns. Pattern I: basement membrane zone (BMZ) staining in monkey esophagus (ME), primate salt-split skin (SSS)-roof staining, BP180+ and/or BP230+; Pattern II: roof staining in SSS, BP180- and BP230- with or without BMZ staining in ME; Pattern III: floor staining in SSS, BP180- and BP230-; and pattern IV: negative in SSS and other substrates. The findings were correlated with histopathology and/or DIF. RESULTS Fifty (71.5%) cases showed pattern I or the typical bullous pemphigoid (BP) pattern. Eight (11.4%) cases showed pattern II. Patterns III and IV were observed in seven (10%) and five (7.1%) cases, respectively. BP was the most common diagnosis in patterns I and II, while anti-p200 pemphigoid was most common in pattern III, as confirmed by immunoblotting. The sensitivity of pattern I in the diagnosis of BP was 96%. CONCLUSION BIOCHIP-IIF showed a good correlation with DIF and histopathology in the diagnosis of SEBD. This can be used as a first-line investigation in case of bullous disorders.
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Affiliation(s)
- Chaitra Venkataswamy
- Department of Pathology, PSG Institute of Medical Sciences and Research, Coimbatore, India
| | - Nithyanandam Vinayagam
- Department of Pathology, PSG Institute of Medical Sciences and Research, Coimbatore, India
| | | | - Reena Rai
- Department of Dermatology, PSG Institute of Medical Sciences and Research, Coimbatore, India
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Huang SC, Chiu TM, Lee CY, Chang HC, Wu WJ, Gau SY. Researching trends in pemphigoid diseases: A bibliometric study of the top 100 most cited publications. Front Med (Lausanne) 2023; 9:1088083. [PMID: 36698818 PMCID: PMC9868262 DOI: 10.3389/fmed.2022.1088083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/09/2022] [Indexed: 01/11/2023] Open
Abstract
Background In the field of autoimmune and inflammatory disorders, different approaches were applied to provide information regarding disease activity, comorbidities, epidemiological reports and risk factors. However, no previous studies had thoroughly analyzed the research trend in the field, and the bibliometric analysis focusing on pemphigoid diseases was available. The objective of the current study was to evaluate the current research trend in the field. Methods A search has been conducted for the Web of Science database based on various subcategories of pemphigoid diseases. Detailed information including articles' publication types, Author information, citation, and publication information was attained for further analysis. Results Within the 6,995 studies, the top 100 most-cited articles were extracted for analysis. Among the top 100 studies, 70% of the studies focused on bullous pemphigoid. More than 60% of the top 100 studies were studies with original data. Furthermore, 30% of the studies were guidelines and narrative reviews. For the issues primarily focused on, most of the high-impact studies described the molecular mechanism of pemphigoid diseases (26%), managements (19%), risk factors of pemphigoid diseases (17%). Additionally, some other studies provided general review or discussed about the issue of epidemiology, diagnosis/definition, comorbidities and clinical characteristics of pemphigoid diseases. Conclusion This comprehensive bibliographic study of pemphigoid diseases provided an overview of current research focuses in the field. Topics such as disease management, molecular mechanism of pathogenesis, and drug-inducing pemphigoid diseases were highly mentioned in the most-cited studies. For researchers and clinicians, the researching trend and study focus in the top-100 cited studies could serve as a potential reference for future investigation and patient management.
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Affiliation(s)
- Shih-Cheng Huang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Tsu-Man Chiu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Dermatology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chien-Ying Lee
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Hui-Chin Chang
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Library, Chung Shan Medical University Hospital, Taichung, Taiwan
- Evidence-Based Medicine Center, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Wen-Jun Wu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Microbiology and Immunology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Shuo-Yan Gau
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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11
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Hocke J, Krauth J, Krause C, Gerlach S, Warnemünde N, Affeldt K, van Beek N, Schmidt E, Voigt J. Computer-aided classification of indirect immunofluorescence patterns on esophagus and split skin for the detection of autoimmune dermatoses. Front Immunol 2023; 14:1111172. [PMID: 36926325 PMCID: PMC10013071 DOI: 10.3389/fimmu.2023.1111172] [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: 11/29/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
Abstract
Autoimmune bullous dermatoses (AIBD) are rare diseases that affect human skin and mucous membranes. Clinically, they are characterized by blister formation and/or erosions. Depending on the structures involved and the depth of blister formation, they are grouped into pemphigus diseases, pemphigoid diseases, and dermatitis herpetiformis. Classification of AIBD into their sub-entities is crucial to guide treatment decisions. One of the most sensitive screening methods for initial differentiation of AIBD is the indirect immunofluorescence (IIF) microscopy on tissue sections of monkey esophagus and primate salt-split skin, which are used to detect disease-specific autoantibodies. Interpretation of IIF patterns requires a detailed examination of the image by trained professionals automating this process is a challenging task with these highly complex tissue substrates, but offers the great advantage of an objective result. Here, we present computer-aided classification of esophagus and salt-split skin IIF images. We show how deep networks can be adapted to the specifics and challenges of IIF image analysis by incorporating segmentation of relevant regions into the prediction process, and demonstrate their high accuracy. Using this semi-automatic extension can reduce the workload of professionals when reading tissue sections in IIF testing. Furthermore, these results on highly complex tissue sections show that further integration of semi-automated workflows into the daily workflow of diagnostic laboratories is promising.
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Affiliation(s)
- Jens Hocke
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Jens Krauth
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Christopher Krause
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Stefan Gerlach
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Nicole Warnemünde
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Kai Affeldt
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
| | - Nina van Beek
- Department of Dermatology, Allergology and Venerology, University Hospital Schleswig-Holstein/University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, Allergology and Venerology, University Hospital Schleswig-Holstein/University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - Jörn Voigt
- Institute for Experimental Immunology, affiliated to EUROIMMUN Medizinische Labordiagnostika AG, Lübeck, Germany
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12
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Ahmed AR, Aksoy M, Kinane TB. Pemphigoid of the pulmonary system (POPS): A review of a less recognized feature. Clin Exp Rheumatol 2022; 21:103180. [PMID: 35981700 DOI: 10.1016/j.autrev.2022.103180] [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: 08/04/2022] [Accepted: 08/11/2022] [Indexed: 11/02/2022]
Abstract
This review of Pemphigoid of the Pulmonary System (POPS) is a comprehensive description of pulmonary involvement in patients with mucous membrane pemphigoid (MMP), which is an orphan autoimmune blistering disease. The objective of the review was to analyze clinical features of pulmonary involvement in MMP. This POPS review is a case series in which multiple search engines were utilized from inception to June 2022 for cases of MMP with biopsy and immunopathology proven tracheal and bronchial pemphigoid. Clinical profiles prior to pulmonary involvement, bronchoscopy findings, clinical course and therapy were recorded and cause of death was analyzed. Patients with documented MMP who developed tracheal, bronchial and pulmonary involvement were included in the POPS review. Histology and immunopathology documentation were essential diagnostic criteria. Comparison groups were not possible. Patients were treated with immunosuppressive therapy. Some required surgical interventions. Six of the 11 patients attained complete or partial remission on or off therapy. Five patients died from pulmonary complications. The POPS review had six females and five males. The mean age at onset was 20 years (range 4-76), while 80% of the patients were under 40 years. All had severe widespread MMP involving three to five mucosal tissues. 100% had oral, 82% had ocular and cutaneous involvement. Pulmonary involvement occurred at 24 mo (range 2-372) after the onset of MMP. Bronchoscopy revealed acute inflammation during active disease and scarring of the trachea and bronchi in the later stages. Systemic infections occurred in 45%, while pulmonary infection occurred in 36%. Mortality due to respiratory failure, at the median age of 20 years (range 18-76), occurred in 45% of the patients, and was considered disease related. In spite of the young age, while there are some similarities in the clinical profile and response to systemic therapy, there are definitive differences from other patients with MMP. Early diagnosis with appropriate management could produce better clinical outcomes and prevent mortality in this orphan disease. Consequently, there is a critical need for early identification and diagnosis of POPS.
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Affiliation(s)
- A Razzaque Ahmed
- Center for Blistering Diseases, Department of Dermatology, Tufts University School of Medicine, Boston, MA, USA.
| | - Merve Aksoy
- Center for Blistering Diseases, Department of Dermatology, Tufts University School of Medicine, Boston, MA, USA
| | - T Bernard Kinane
- Chief Pediatric Pulmonary Medicine, Mass General Hospital, Harvard Medical School, Boston, MA, USA
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13
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Farooq MM, Miloslavsky EM, Konikov N, Ahmed AR. Use of rituximab in the treatment of mucous membrane pemphigoid: An analytic review. Autoimmun Rev 2022; 21:103119. [PMID: 35688385 DOI: 10.1016/j.autrev.2022.103119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/15/2022] [Indexed: 11/26/2022]
Abstract
Mucous Membrane Pemphigoid (MMP) is a potentially fatal mucocutaneous autoimmune blistering disease. Autoantibodies are produced against various components of the dermo-epidermal or mucosal-submucosal junction are referred to as basement membrane zone (BMZ). The hallmark is deposition of of Ig and C3 on the perilesional tissues and in some patients detection of anti-BMZ autoantibodies. A unique characteristic of MMP is that as the blisters or erosions heal, they leave irreversible scarring. This scarring results in serious and catastrophic sequelae that affect the quality of life. Conventional therapy consists of anti-inflammatory and immunosuppressive agents (ISA). In patients who fail conventional therapy or develop significant side effects to them, rituximab (RTX) has been used off label. In this review, the clinical outcomes of patients with MMP treated with RTX were studied. 124 patients were identified, 47.58% being male. 72 patients were treated by the Lymphoma Protocol and 51 by Rheumatoid Arthritis (RA) protocol. Follow up for the entire cohort was 36 months (range 0.5-72). On follow-up 64 patients (51.61%) achieved complete clinical remission (CR) off therapy, 25 patients (20.16%) were in CR on therapy, 5 patients (4.03%) were non-responders, and 9 patients (7.25%) were failures. 52 patients (41.93%) experienced a relapse, after 36 months follow-up. Duration between last RTX infusion and relapse was 10.5 months (range 1-30). Most patients with relapses were treated with additional RTX. A statistically significant better outcome was observed in patients treated with RTX as monotherapy compared to those who received RTX with ISA. Clinical outcomes in patients treated with Lymphoma protocol were better than RA protocol at a statistically significant level. Data on CD20+ B cell depletion and repopulation was limited. Interestingly relapses were seen in patients with CD20+ B cell depletion and after repopulation. In the final analysis, 89 patients (71.77%) were in complete remission. Data in this review indicated that RTX was a useful agent to treat MMP. While a randomized control trial may not be practically possible, better and disease specific protocols need to be developed. When publishing, authors should attempt to provide complete and detailed information. In doing so, they will benefit their colleagues and the patients with MMP they treat with RTX.
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Affiliation(s)
| | - Eli M Miloslavsky
- Massachusetts General Hospital, Department of Medicine, Division of Rheumatology, Boston, MA 02114, USA; Harvard Medical School, Boston, MA 02215, USA
| | - Nellie Konikov
- Boston VA health Care System, Jamaica Plain, Boston, MA 02130, USA
| | - A Razzaque Ahmed
- Center for Blistering Diseases, Boston, MA 02135, USA; Department of Dermatology, Tufts University School of Medicine, Boston, MA 02111, USA.
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14
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Conceptualization and validation of an innovative direct immunofluorescence technique utilizing fluorescein conjugate against IgG + IgG4 for routinely diagnosing autoimmune bullous dermatoses. Cent Eur J Immunol 2021; 46:183-190. [PMID: 34764786 PMCID: PMC8568037 DOI: 10.5114/ceji.2021.107028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 06/12/2020] [Indexed: 01/13/2023] Open
Abstract
Introduction Autoimmune bullous diseases (ABDs) are potentially life-threatening mucocutaneous illnesses that require diagnosis with direct immunofluorescence (DIF). In this study we compared the diagnostic accuracy of traditional DIF (DIFt; separate immunoglobulin (Ig) G, IgG1, IgG4, IgA, IgM and C3 deposits detection) and modified DIF (DIFm; simultaneous IgG + IgG4 deposits detection instead of separate IgG and IgG4 deposits detection) in routine diagnostics of ABDs. Material and methods Eighteen patients with ABDs (7 with pemphigus dermatoses and 11 with subepithelial ABDs) were evaluated with DIFt and DIFm. Results The agreement of detectability of IgG immunoreactants was obtained in 16 ABD cases (88.89%), as positive results in both DIFt and DIFm were obtained in 13 cases and negative results in both DIFt and DIFm were obtained in 3 cases. One ABD case (Brunsting-Perry pemphigoid) (5.56%) was negative in DIFm with a positive DIFt result (IgG1 deposits). One ABD case (bullous pemphigoid) (5.56%) had only C3 deposits in DIFt with a positive DIFm reading (IgG + IgG4 deposits). A statistically significant relationship (p = 0.0186) between DIFm and DIFt results was revealed using Fisher’s exact test. Conclusions Both DIFt and DIFm are useful methods to detect deposition of IgG immunoreactants, but it seems that the innovative DIFm method slightly increases the detectability of IgG/IgG4 immunoreactants in relation to DIFt. The introduction of DIFm into routine laboratory diagnostics of ABDs seems to be justified, as it enables the abandonment of separate FITC conjugates for IgG and IgG4, which is important for cost-effectiveness.
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15
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Karimova M, Moyes D, Ide M, Setterfield JF. The human microbiome in immunobullous disorders and lichen planus. Clin Exp Dermatol 2021; 47:522-528. [PMID: 34669983 DOI: 10.1111/ced.14987] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 10/05/2021] [Accepted: 10/11/2021] [Indexed: 12/18/2022]
Abstract
For several decades, there has been a significant growth in the incidence of autoimmune diseases. Studies indicate that genetic factors may not be the only trigger for disease development and that dysbiosis of the microbiome may be another mechanism involved in the pathogenesis of autoimmune diseases. The role of the microbiome in the development of common skin disorders such as psoriasis, atopic dermatitis, acne and rosacea is increasingly well understood. However, few studies have focused on lichen planus and the rare acquired immunobullous diseases, both mucocutaneous groups of disorders linked to skin, oral and gut microbiomes. This review provides an insight into the current understanding of how the microbiome may contribute to the development of autoimmunity and to the maintenance and exacerbation of acquired immunobullous and lichenoid diseases. These mechanisms may have implications for future preventive and therapeutic approaches.
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Affiliation(s)
- M Karimova
- Centre for Host Microbiome Interaction (CHMI), Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK
| | - D Moyes
- Centre for Host Microbiome Interaction (CHMI), Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK
| | - M Ide
- Centre for Host Microbiome Interaction (CHMI), Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK.,Department of Periodontology, Centre for Host-Microbiome Interactions (CHMI), Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, Guy's Hospital, London, UK
| | - J F Setterfield
- Centre for Host Microbiome Interaction (CHMI), Faculty of Dentistry, Oral and Craniofacial Sciences, King's College London, London, UK.,St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Department of Oral Medicine, Guy's and St Thomas' NHS Foundation Trust, London, UK
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16
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Jindal A, Rao C, Pai SB, Rao R. Utility of oral mucosa as a substrate for the serodiagnosis of pemphigus: A descriptive analysis. Indian J Dermatol Venereol Leprol 2021; 88:156-161. [PMID: 34491669 DOI: 10.25259/ijdvl_469_20] [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: 04/01/2020] [Accepted: 01/01/2021] [Indexed: 11/04/2022]
Abstract
BACKGROUND The indirect immunofluorescence test is useful in the serodiagnosis of pemphigus. As indirect immunofluorescence titers correlate with disease activity in pemphigus, it is often used as a monitoring tool. The sensitivity of indirect immunofluorescence depends on the substrate used, and the preferred substrates are monkey esophagus for pemphigus vulgaris and normal human skin for pemphigus foliaceus. AIMS We evaluated oral mucosa as a substrate for indirect immunofluorescence in pemphigus. METHODS Fifty patients with pemphigus (40 with pemphigus vulgaris and ten with pemphigus foliaceus) and 50 controls were enrolled for study. Demographic and clinical details were recorded and indirect immunofluorescence using two substrates (oral mucosa and normal human skin) was carried out in serial dilution. Desmoglein (Dsg) 1 and 3 enzyme-linked immunosorbent assay was also evaluated simultaneously. RESULTS Indirect immunofluorescence was positive in 40 patients (80%) with oral mucosa substrate and 34 patients (68%) with normal human skin substrate. Circulating antibodies were detected with oral mucosa in 33 (82.5%) of the 40 pemphigus vulgaris patients and in 26 (65%) patients using normal human skin. Antibodies were detected in eight of the ten pemphigus foliaceus patients (80%) with normal human skin and in seven (70%) patients with oral mucosa. Dsg enzyme-linked immunosorbent assay was positive in 45 (90%) patients, and 37 of these were also indirect immunofluorescence positive with oral mucosa. In the five Dsg enzyme-linked immunosorbent assay-negative patients, indirect immunofluorescence with oral mucosa was positive in three. LIMITATIONS A comparison of oral mucosa with monkey esophagus could not be performed. CONCLUSION Oral mucosa is a suitable and sensitive substrate for indirect immunofluorescence in pemphigus. Further studies comparing the sensitivity of indirect immunofluorescence using oral mucosa with monkey esophagus are recommended.
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Affiliation(s)
- Anuradha Jindal
- Department of Dermatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Chythra Rao
- Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Satish B Pai
- Department of Dermatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Raghavendra Rao
- Department of Dermatology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, India
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17
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Petruzzi M, Lucchese A, Contaldo M, Tampoia M, Frassanito MA, Lauritano D, Della Vella F. ELISA detection of anti-desmoglein 1 and anti-desmoglein 3 and indirect immunofluorescence in oral pemphigus: A retrospective study. Oral Dis 2021; 28:1149-1156. [PMID: 33721369 DOI: 10.1111/odi.13849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 03/03/2021] [Accepted: 03/07/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVE The aim of this study was to test the efficacy of autoantibodies to desmoglein 1 and desmoglein 3 detected by ELISA and indirect immunofluorescence in the diagnosis of oral pemphigus and to correlate the antibody titres with the severity of the disease. MATERIALS AND METHODS We report a retrospective cohort study of 22 patients with oral pemphigus and 64 controls from a single tertiary centre. Data about histopathological examination, direct immunofluorescence, indirect immunofluorescence and ELISA were analysed. Global validation of ELISA and IIF both alone and combined was established by calculating sensitivity, specificity, accuracy and both positive predictive value and negative predictive value. The relationship between Oral Disease Severity Score values and ELISA titres was analysed using Pearson's coefficient. RESULTS The best diagnostic performance was observed for anti-desmoglein 3 ELISA. The sensitivity was 75% and specificity 100% and positive predictive value and negative predictive value were 92.5% and accuracy 93.9%. The level of agreement with histopathology + direct immunofluorescence was substantial (k = .758). Anti-desmoglein 3 titres showed a significant correlation with Oral Disease Severity Score (p < .05). CONCLUSIONS Serological tests are commonly employed during clinical practice as adjunctive tools. Anti-desmoglein 3 ELISA should be considered as a first-instance diagnostic test for oral pemphigus early detection.
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Affiliation(s)
- Massimo Petruzzi
- Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Alberta Lucchese
- Multidisciplinary Department of Medical, Surgical and Odontostomatological Specialties, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Maria Contaldo
- Multidisciplinary Department of Medical, Surgical and Odontostomatological Specialties, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Marilina Tampoia
- Section of Clinical Pathology, Policlinico Hospital, Bari, Italy
| | | | - Dorina Lauritano
- Department of Medicine and Surgery, Center of Neuroscience Milan, University of "Milan Bicocca", Monza, Italy
| | - Fedora Della Vella
- Interdisciplinary Department of Medicine, University of Bari "Aldo Moro", Bari, Italy
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18
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Abstract
Paraneoplastic skin manifestations associated with malignancies are extremely polymorphous. Clinicians should be familiar with paraneoplastic dermatoses to establish an early diagnosis of the underlying neoplasm. Lack of familiarity with cutaneous clues for internal malignancies may delay diagnosis and treatment of cancer. In this review, we describe several paraneoplastic autoimmune dermatoses, including paraneoplastic autoimmune multiorgan syndrome, paraneoplastic bullous pemphigoid, and paraneoplastic dermatomyositis.
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Affiliation(s)
- D Didona
- Klinik für Dermatologie und Allergologie, Philipps-Universität Marburg, Baldingerstr., 35043, Marburg, Deutschland.
| | - M Hertl
- Klinik für Dermatologie und Allergologie, Philipps-Universität Marburg, Baldingerstr., 35043, Marburg, Deutschland
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19
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van Beek N, Weidinger A, Schneider SW, Kleinheinz A, Gläser R, Holtsche MM, von Georg A, Hammers CM, Hübner F, Lima AL, Gola D, Sadik CD, Zillikens D, Katalinic A, Schmidt E, König IR. Incidence of pemphigoid diseases in Northern Germany in 2016 - first data from the Schleswig-Holstein Registry of Autoimmune Bullous Diseases. J Eur Acad Dermatol Venereol 2021; 35:1197-1202. [PMID: 33428263 DOI: 10.1111/jdv.17107] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 12/10/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Autoimmune bullous diseases (AIBD) are rare disorders characterized by autoantibody formation against components of adhesion molecules; in pemphigoid diseases (PD), these are proteins of hemidesmosomes and basement membrane, important for cell-matrix adhesion in skin and/or mucous membranes. Incidences of these diseases vary considerably between different populations. OBJECTIVES To establish a registry prospectively recruiting all AIBD patients in a geographically well-defined region in Northern Germany (Schleswig-Holstein). METHODS Only patients with verified disease (by clinical presentation, histology, direct and/or indirect immunofluorescence and /or ELISA) living in Schleswig-Holstein were included. Incidences of PD were estimated based on the total number of inhabitants in Schleswig-Holstein, stratified by birth year and sex. RESULTS Of 67 patients with PD [35 male, 32 female, mean age 75 (standard deviation 14.3 years)], 83% were patients with bullous pemphigoid [n = 56, 28 male, 28 female, mean age 78 (SD 9.9)]. The resulting crude incidences were 23.4 patients/million/year for all pemphigoid patients, 19.6 patients/million/year for bullous pemphigoid (age-standardized 16.9 patients/million/year) with a strong increase in bullous pemphigoid patients in the age group of 85-90 years with 262 patients/million/year. Incidences for bullous pemphigoid were higher in urban compared to rural areas. Other PD (mucous membrane pemphigoid, linear IgA disease, anti-p200 pemphigoid) were less frequent with crude incidences of 2.1, 1.0 and 0.7 patients/million/year, respectively. CONCLUSIONS This study prospectively analyses the incidence of PD in a carefully defined geographical area. The highest incidence among PD patients was found for bullous pemphigoid. The incidence of bullous pemphigoid is considerably increased compared to previous reports and reveals regional differences. Further studies are needed in order to clarify these findings.
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Affiliation(s)
- N van Beek
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - A Weidinger
- Department of Dermatology, Venereology, and Allergology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - S W Schneider
- Department of Dermatology and Venerology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - A Kleinheinz
- Department of Dermatology, Elbe Medical Center, Buxtehude, Germany
| | - R Gläser
- Department of Dermatology, Venereology, and Allergology, University Hospital Schleswig-Holstein, Kiel, Germany
| | - M M Holtsche
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - A von Georg
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - C M Hammers
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - F Hübner
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - A-L Lima
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - D Gola
- Institute of Medical Biometry and Statistics, University of Lübeck, Lübeck, Germany
| | - C D Sadik
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - D Zillikens
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany
| | - A Katalinic
- Institute of Social Medicine and Epidemiology, University of Lübeck, Lübeck, Germany
| | - E Schmidt
- Department of Dermatology, Allergology, and Venereology, University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - I R König
- Institute of Medical Biometry and Statistics, University of Lübeck, Lübeck, Germany
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20
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de Souza Farias S, Montechese ACD, Bernardino T, Rodrigues PHM, de Araujo Oliveira CA, Zanella AJ. Two Hours of Separation Prior to Milking: Is This Strategy Stressful for Jennies and Their Foals? Animals (Basel) 2021; 11:ani11010178. [PMID: 33466573 PMCID: PMC7828724 DOI: 10.3390/ani11010178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 11/29/2022] Open
Abstract
Simple Summary The economic importance of donkeys has decreased in Brazil, which has led to their mass abandonment. Asinine milk production is a potential solution to the reintroduction of donkeys into the Brazilian social and economic scenario. The milk has nutraceutical properties that make it valuable for human consumption, and thus a donkey dairy industry is likely to help stop their abandonment. That said, in any such industry, the welfare of jennies maintained for milk production must be guaranteed. Few studies have been published measuring the impact of milking management on the welfare of jennies and foals, and the potential behavioural and physiological challenges it may cause. It is also unknown whether these animals adapt to the milking routine. The goal of this study was to assess the impact of separating Pêga jennies from their foals for 2 h on indicators of welfare. Animal welfare was analysed through behavioural and hormonal assessments, their potential adaptive responses and effects on milk yield. Few significant alterations were found in behaviour, salivary cortisol concentrations, or milk yield as a result of the 2-h separation, which could indicate that the welfare of the animals was not compromised; however, the adaptation of jennies and foals to separation stress remains to be fully verified. The 2-h separation period, based on the reported data, is possibly not a stressful experience for the assessed group of Pêga jennies and foals. The reported protocol, which included frequent positive interactions with the animals, may be useful to assure acceptable animal welfare levels for donkeys in small-scale dairy production settings. Abstract The goal of this study was to assess whether or not a separation period of 2 h is stressful for jennies and foals, as measured by changes in behaviour, salivary cortisol, and milk production. This study was reviewed and approved by the Committee for the Use and Care of Animals in Research (CEUA) of the School of Veterinary Medicine and Animal Science of the University of São Paulo. Fourteen multiparous Pêga jennies (245 kg average body weight) and their foals were assessed from day 45 to 135 of lactation. Dams and foals were separated for 2 h prior to milking. Behavioural assessments and saliva samples were collected before and after separation, every 15 days, resulting in 14 samples per individual animal. Behavioural states (affiliative and inactivity) and events (agonistic, abnormal, eliminative and vocalisations) of the jennies were observed during 6 min in both periods. Moreover, milk yield was measured. Few significant behavioural and salivary cortisol changes were observed, and milk yield was not affected by cortisol levels in response to the separation. The 2-h separation period, on the basis of the collected variables, did not appear to be stressful for the assessed group of Pêga jennies or foals; however, their ability to adapt to milking routine stress remains to be investigated.
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Affiliation(s)
- Sharacely de Souza Farias
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, Campus “Fernando Costa”, University of São Paulo, Pirassununga 13635-900, Brazil; (A.C.D.M.); (T.B.); (A.J.Z.)
- Correspondence:
| | - Ana Carolina Dierings Montechese
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, Campus “Fernando Costa”, University of São Paulo, Pirassununga 13635-900, Brazil; (A.C.D.M.); (T.B.); (A.J.Z.)
| | - Thiago Bernardino
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, Campus “Fernando Costa”, University of São Paulo, Pirassununga 13635-900, Brazil; (A.C.D.M.); (T.B.); (A.J.Z.)
| | - Paulo Henrique Mazza Rodrigues
- Department of Animal Nutrition and Production, School of Veterinary Medicine and Animal Science, Campus “Fernando Costa”, University of São Paulo, Pirassununga 13635-900, Brazil;
| | - Chiara Albano de Araujo Oliveira
- Department of Preventive Veterinary Medicine and Animal Production, School of Veterinary Medicine and Animal Science, Federal University of Bahia, Salvador 40170-110, Brazil;
| | - Adroaldo José Zanella
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, Campus “Fernando Costa”, University of São Paulo, Pirassununga 13635-900, Brazil; (A.C.D.M.); (T.B.); (A.J.Z.)
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21
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Role of BIOCHIP Indirect Immunofluorescence Test in Cutaneous Vesiculobullous Diseases. Am J Dermatopathol 2021; 42:322-328. [PMID: 31211701 DOI: 10.1097/dad.0000000000001471] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BIOCHIP mosaics for indirect immunofluorescence in cutaneous vesiculobullous diseases provide antibody profiles in a single run and can be an alternative to performing multistep assays. There is scanty data regarding their utility. BIOCHIP tests performed over 4 years were compared with biopsy and/or direct immunofluorescence (DIF). Of 209 BIOCHIP tests, 108 were positive. Pemphigus vulgaris and Bullous pemphigoid were the commonest. Dsg3 was the commonest positive substrate in pemphigus group (86%) with 100% sensitivity. Intercellular space pattern on BIOCHIP primate esophagus was seen only in 49%. BP 180 was the commonest positive substrate in pemphigoid (95%) with 78% sensitivity. In 68 cases, corresponding biopsy/DIF was available with concordance of 89% in pemphigus and 93% in pemphigoid groups. In 40 cases where BIOCHIP was positive without biopsy/DIF, 97.5% were concordant with clinical diagnosis. Among the negative results, 13 had biopsy/DIF that were diagnostic. The overall positivity of BIOCHIP was 92% for pemphigus and 84% for pemphigoid groups. Indirect immunofluorescence by BIOCHIP method shows good concordance with histopathology/DIF. However, the sensitivity of some of the substrates varies. It is an effective screening tool to identify cases requiring further ELISA/immunoblots or where biopsy is not feasible.
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22
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Abstract
Originally described by Anhalt as paraneoplastic pemphigus in 1990, paraneoplastic autoimmune multiorgan syndrome (PAMS) is a potentially lethal blistering disease, characterized by polymorphous clinical features, including mucocutaneous erosions, blisters, lichenoid papules, and erythemas. Several autoantibodies have been detected in serum of PAMS patients, including antiplakins, anti-alpha-2-macroglobulin like 1, and antidesmogleins autoantibodies. The mortality rate of PAMS is up to 90%. This is due on the one hand to the poor response to treatments and on the other hand to the delay in the diagnosis and to the prognosis of the underlying neoplasia.
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Affiliation(s)
- Dario Didona
- Department of Dermatology and Allergology, Philipps University, Marburg, Germany -
| | | | - Pascal Joly
- Department of Dermatology, Rouen University Hospital and INSERM U905, Reference center for autoimmune bullous diseases, Normandie University, Rouen, France
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23
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Rezazadeh F, Moshaverinia M, Handjani F, Khoshkholgh F, Saki N, Heiran A. The Evaluation of Serum Lipids Profile in Patients with Pemphigus Vulgaris: A Case-Control Study. Malays J Med Sci 2020; 27:57-63. [PMID: 32788842 PMCID: PMC7409567 DOI: 10.21315/mjms2020.27.2.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/14/2019] [Indexed: 11/15/2022] Open
Abstract
Background Pemphigus vulgaris (PV) is a chronic autoimmune disease. Dyslipidemia, increased risk of atherosclerosis and higher cardiovascular morbidity, and mortality have been reported in several autoimmune conditions. It has been hypothesised that there might be an association between dyslipidemia and PV. Therefore, the objective of this study was to compare the serum lipid profile of patients with PV with healthy controls. Methods This case-control study was carried out on 113 patients with PV and 100 healthy controls. Total cholesterol, high-density lipoprotein (HDL) and triglycerides (TG) levels were measured and low-density lipoprotein (LDL), non-HDL cholesterol (non-HDL-C) and atherogenic index of plasma (AIP) were calculated. Chi-squared test and independent Student t-test (or their alternatives) were used for group comparison. Results The mean age and BMI of patients and controls were 47.7 ± 14.5 and 28 ± 6.2 and, 44.5 ± 18.5 and 25.5 ± 5.1, respectively. Total cholesterol, LDL, HDL, non-HDL-C and TG were statistically different between the two groups (P values < 0.001; < 0.001; < 0.001; < 0.001 and 0.021, respectively). However, AIP was not significantly different (P-value = 0.752). Conclusion The serum lipid profile was significantly higher in PV patients compared to healthy controls. Therefore, PV patients may be more prone to develop atherosclerosis and this finding can be important in the overall management of these patients.
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Affiliation(s)
- Fahimeh Rezazadeh
- Department of Oral & Maxillofacial Medicine, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Moshaverinia
- Department of Oral & Maxillofacial Medicine, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farhad Handjani
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Dermatology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Khoshkholgh
- Dentistry Student, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nasrin Saki
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Dermatology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Heiran
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
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24
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Qian H, Cao Y, Sun J, Zu J, Ma L, Zhou H, Tang X, Li Y, Yu H, Zhang M, Bai Y, Xu C, Ishii N, Hashimoto T, Li X. Anti-human serum albumin autoantibody may be involved in the pathogenesis of autoimmune bullous skin diseases. FASEB J 2020; 34:8574-8595. [PMID: 32369236 DOI: 10.1096/fj.201903247rr] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 12/18/2022]
Abstract
Although effective immunological diagnostic systems for autoimmune bullous skin diseases (AIBD) have been established, there are still unidentified cutaneous autoantigens. The purpose of this study is to investigative whether anti-human serum albumin (HSA) autoantibodies exist in AIBD sera and their potential pathogenesis. By immunoprecipitation-immunoblotting, immunofluorescence assay, anti-HSA autoantibodies could be detected in AIBD sera; by ELISAs, positive rates of AIBD sera for IgG and IgA anti-HSA autoantibodies were 29% and 34%, respectively. The IgG anti-HSA autoantibodies in ABID sera recognized a number of HSA antigen epitopes and therefore a polyclonal antibody against HSA were next employed to study its pathogenesis. In vitro cell and tissue culture models, anti-HSA antibody could influence DNA damage-related signaling proteins, via activation of phospho-p38 signaling pathway. This is the first report that an autoantibody may influence DNA damage-related signaling proteins. Statistical analyses also proved that anti-HSA autoantibodies were positively correlated with various known autoantibodies and clinical features of ABID patients. In summary, IgG and IgA autoantibodies to HSA may have diagnosis values for AIBD. DNA damage-related signaling proteins might be involved in the pathogenic role of anti-HSA autoantibodies in AIBD. Phospho-p38 signaling pathway is a potential target for treatment of AIBD positive for serum anti-HSA autoantibodies.
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Affiliation(s)
- Hua Qian
- Central Laboratory, Dermatology Hospital of Jiangxi Province, Dermatology Institute of Jiangxi Province, The Affiliated Dermatology Hospital of Nanchang University, Nanchang, China.,Department of Pharmacology, College of Pharmacy, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Yan Cao
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Junfeng Sun
- Department of Cardiovascular Medicine, First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Jianing Zu
- Department of Orthopaedics, Second Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Liang Ma
- Department of Pharmacology, College of Pharmacy, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Haizhou Zhou
- Department of Laboratory Diagnosis, First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Xianling Tang
- Eye Hospital, First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yan Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Haiyang Yu
- Department of Ophthalmology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mingyu Zhang
- Department of Pharmacology, College of Pharmacy, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Yunlong Bai
- Department of Pharmacology, College of Pharmacy, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Chaoqian Xu
- Department of Pharmacology, Mudanjiang Medical University, Mudanjiang, China
| | - Norito Ishii
- Department of Dermatology, Kurume University School of Medicine, and Kurume University Institute of Cutaneous Cell Biology, Kurume, Japan
| | - Takashi Hashimoto
- Department of Dermatology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Xiaoguang Li
- Central Laboratory, Dermatology Hospital of Jiangxi Province, Dermatology Institute of Jiangxi Province, The Affiliated Dermatology Hospital of Nanchang University, Nanchang, China.,Department of Pharmacology, College of Pharmacy, Harbin Medical University and Heilongjiang Academy of Medical Sciences, Harbin, China
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25
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Carvajal Aguilera D, Fernández Moraga J, Valenzuela Ahumada F, Morales Huber C, Fernández Moraga A. Enfermedades ampollares autoinmunes: caracterización clínica, respuesta terapéutica y mortalidad en un centro universitario de Chile. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.piel.2019.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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26
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Scaglione GL, Fania L, De Paolis E, De Bonis M, Mazzanti C, Di Zenzo G, Lechiancole S, Messinese S, Capoluongo E. Evaluation of cutaneous, oral and intestinal microbiota in patients affected by pemphigus and bullous pemphigoid: A pilot study. Exp Mol Pathol 2019; 112:104331. [PMID: 31705881 DOI: 10.1016/j.yexmp.2019.104331] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 11/01/2019] [Accepted: 11/06/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Significant alterations of the cutaneous microbiota (CM) have been recently demonstrated in bullous pemphigoid (BP). Microbiome data of both oral cavity (OM) and gut (GM) from patients affected by bullous disease are not available yet and, further consistent studies focused on the role of such microbial populations are still missing. OBJECTIVE Objective: In this pilot study we characterized and compared GM, OM and CM of patients affected by pemphigus vulgaris (PV) and BP to investigate a distinctive microbiome composition in this two rare dermatological disorders. METHODS High-throughput sequencing of the V1-V3 hyper-variable regions of 16S rRNA was used to compare the bacterial community composition of stool, skin and oral mucosae swabs in a cohort of PV and BP patients. A dedicated bioinformatics software coupled with in-house pipeline was implemented to analyse and compare diseases dataset. RESULTS GM samples of both PV and BP patients were principally characterized by Firmicutes and Bacteroidetes phyla. Interestingly, the Firmicutes phylum and Staphylococcus genus were mainly represented in cutaneous samples. The diversity of phyla in oral mucosae was higher than those of gut and skin samples and, Bacteroidetes phylum was significantly underrepresented in all PV samples. CONCLUSION Firmicutes phylum and Staphilococcus genus were the most represented in OM and CM swabs of PV and BP microbial populations. Moreover, we argue the quantitative imbalance linked to the decrease of Bacteriodetes in the oral cavity of PV patients might be associated to disease typical fetor. To shed light on this peculiar feature further studies are still required.
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Affiliation(s)
- Giovanni Luca Scaglione
- Laboratory of Advanced Molecular Diagnostics (DIMA), Istituto Dermopatico dell'Immacolata, Fondazione Luigi Maria Monti, IRCCS, Rome, Italy; Laboratory of Molecular Oncology, "Giovanni Paolo II" Foundation, Catholic University of Sacred Heart, Campobasso, Italy
| | - Luca Fania
- First Dermatology Division, Istituto Dermopatico dell'Immacolata-IRCCS, FLMM, Roma, Italy
| | - Elisa De Paolis
- Laboratory of Advanced Molecular Diagnostics (DIMA), Istituto Dermopatico dell'Immacolata, Fondazione Luigi Maria Monti, IRCCS, Rome, Italy; Laboratory of Molecular Diagnostics and Genomics, Teaching and Research Hospital "Fondazione Policlinico Agostino Gemelli" - IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | - Maria De Bonis
- Laboratory of Advanced Molecular Diagnostics (DIMA), Istituto Dermopatico dell'Immacolata, Fondazione Luigi Maria Monti, IRCCS, Rome, Italy; Laboratory of Molecular Diagnostics and Genomics, Teaching and Research Hospital "Fondazione Policlinico Agostino Gemelli" - IRCCS, Catholic University of the Sacred Heart, Rome, Italy
| | - Cinzia Mazzanti
- Laboratory of Molecular Oncology, "Giovanni Paolo II" Foundation, Catholic University of Sacred Heart, Campobasso, Italy
| | - Giovanni Di Zenzo
- Laboratory of Molecular and Cell Biology, Istituto Dermopatico Dell'Immacolata, IDI-IRCCS, FLMM, Rome, Italy
| | - Stefania Lechiancole
- First Dermatology Division, Istituto Dermopatico dell'Immacolata-IRCCS, FLMM, Roma, Italy
| | - Serena Messinese
- First Dermatology Division, Istituto Dermopatico dell'Immacolata-IRCCS, FLMM, Roma, Italy
| | - Ettore Capoluongo
- Laboratory of Advanced Molecular Diagnostics (DIMA), Istituto Dermopatico dell'Immacolata, Fondazione Luigi Maria Monti, IRCCS, Rome, Italy; Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II - CEINGE, Napoli, Italy.
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27
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Abstract
Pemphigoid diseases are a group of autoimmune blistering skin diseases defined by an immune response against certain components of the dermal-epidermal adhesion complex. They are prototypical, autoantibody-driven, organ-specific diseases with the emergence of inflammatory skin lesions dependent on the recruitment of immune cells, particularly granulocytes, into the skin. During an acute flare of disease, inflammatory skin lesions typically progressing from erythema through urticarial plaques to subepidermal blisters erosions erupt and, finally, completely resolve, thus illustrating that resolution of inflammation is continuously executed in pemphigoid disease patients and can be directly monitored on the skin. Despite these superb conditions for examining resolution in pemphigoid diseases as paradigm diseases for antibody-induced tissue inflammation, the mechanisms of resolution in pemphigoid are underinvestigated and still largely elusive. In the last decade, mouse models for pemphigoid diseases were developed, which have been instrumental to identify several key pathways for the initiation of inflammation in these diseases. More recently, also protective pathways, specifically IL-10 and C5aR2 signalling on the molecular level and Tregs on the cellular level, counteracting skin inflammation have been highlighted and may contribute to the continuous execution of resolution in pemphigoid diseases. The upstream orchestrators of this process are currently under investigation. Pemphigoid disease patients, particularly bullous pemphigoid patients, who are predominantly above 75 years of age, often succumb to the side effects of the immunosuppressive therapeutics nowadays still required to suppress the disease. Pemphigoid disease patients may therefore represent a group of patients benefiting most substantially from the introduction of non-immunosuppressive, proresolving therapeutics into the treatment regimens for their disease.
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Affiliation(s)
- Christian D Sadik
- Department of Dermatology, Allergy, and Venerology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, Allergy, and Venerology, University of Lübeck, Lübeck, Germany.
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Germany.
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28
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Abstract
Mucocutaneous diseases affecting the oral cavity are predominantly immune mediated or inflammatory. Three of the most common and clinically significant conditions are reviewed in this article: lichen planus, pemphigus vulgaris, and mucous membrane pemphigoid. Because oral manifestations may be the first or only manifestation of mucocutaneous diseases, oral health professionals play a critical role in the early diagnosis and multidisciplinary management of these conditions.
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van Beek N, Zillikens D, Schmidt E. Diagnosis of autoimmune bullous diseases. J Dtsch Dermatol Ges 2019; 16:1077-1091. [PMID: 30179336 DOI: 10.1111/ddg.13637] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/28/2018] [Indexed: 12/25/2022]
Abstract
Autoimmune bullous disorders (AIBDs) are a heterogeneous group of rare diseases clinically characterized by erosions and/or blisters on the skin and mucous membranes. AIBDs can be categorized into two groups: pemphigus diseases, characterized by intraepidermal blistering and autoantibodies against desmosomal proteins such as desmoglein (Dsg) 1, Dsg3, members of the plakin family, and subepidermal AIBDs, comprised of pemphigoid diseases and dermatitis herpetiformis. Autoantibodies in dermatitis herpetiformis target transglutaminases 2 and 3, while in pemphigoid disease, autoantibodies are directed against structural proteins of the dermal-epidermal junction. Although analysis of a perilesional biopsy with direct immunofluorescence (IF) microscopy is still the diagnostic gold standard, several assays have become widely available that allow serological diagnosis in the majority of patients. Standard serological diagnosis includes indirect IF on monkey esophagus and salt-split human skin. Assays to further characterize autoantibody specificity include ELISA systems based on recombinant forms of the immunodominant regions of the target antigens as well as multivariant indirect IF microscopy tests with several miniature substrates. These serological assays are complemented by various in-house assays using immunoblotting and ELISA, which are only available in specialized laboratories. Here we review new developments in the diagnosis of AIBDs and describe state-of-the-art diagnostic procedures for this group of diseases.
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Affiliation(s)
- Nina van Beek
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Detlef Zillikens
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, University of Lübeck, Lübeck, Germany.,Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
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30
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Tintle SJ, Cruse AR, Brodell RT, Duong B. Classic Findings, Mimickers, and Distinguishing Features in Primary Blistering Skin Disease. Arch Pathol Lab Med 2019; 144:136-147. [DOI: 10.5858/arpa.2019-0175-ra] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Context.—
Blistering diseases comprise a large group of clinically polymorphic and sometimes devastating diseases. During the past few decades, we have developed an elegant understanding of the broad variety of blistering diseases and the specific histopathologic mechanism of each.
Objective.—
To review examples of the classic findings of specific blistering diseases and emphasize the importance of considering unrelated conditions that can mimic the classic finding.
Data Sources.—
This article combines data from expert review, the medical literature, and dermatology and pathology texts.
Conclusions.—
We have chosen several common examples of classic blistering diseases that are mimicked by other cutaneous conditions to highlight the basic findings in blistering conditions and the importance of clinician-to-pathologist communication.
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Affiliation(s)
- Suzanne J. Tintle
- From the Departments of Dermatology (Drs Cruse and Brodell) and Pathology (Drs Tintle, Cruse, and Brodell), and Affiliate Faculty, Dermatopathology Associates (Dr Duong), University of Mississippi Medical Center, Jackson; and the Department of Dermatology, University of Rochester Medical Center, Rochester, New York (Dr Brodell)
| | - Allison R. Cruse
- From the Departments of Dermatology (Drs Cruse and Brodell) and Pathology (Drs Tintle, Cruse, and Brodell), and Affiliate Faculty, Dermatopathology Associates (Dr Duong), University of Mississippi Medical Center, Jackson; and the Department of Dermatology, University of Rochester Medical Center, Rochester, New York (Dr Brodell)
| | - Robert T. Brodell
- From the Departments of Dermatology (Drs Cruse and Brodell) and Pathology (Drs Tintle, Cruse, and Brodell), and Affiliate Faculty, Dermatopathology Associates (Dr Duong), University of Mississippi Medical Center, Jackson; and the Department of Dermatology, University of Rochester Medical Center, Rochester, New York (Dr Brodell)
| | - Buu Duong
- From the Departments of Dermatology (Drs Cruse and Brodell) and Pathology (Drs Tintle, Cruse, and Brodell), and Affiliate Faculty, Dermatopathology Associates (Dr Duong), University of Mississippi Medical Center, Jackson; and the Department of Dermatology, University of Rochester Medical Center, Rochester, New York (Dr Brodell)
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31
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van Beek N, Zillikens D, Schmidt E. Diagnostik blasenbildender Autoimmundermatosen. J Dtsch Dermatol Ges 2019; 16:1077-1092. [PMID: 30179341 DOI: 10.1111/ddg.13637_g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/28/2018] [Indexed: 01/07/2023]
Abstract
Blasenbildende Autoimmundermatosen (BAIDs) sind eine heterogene Gruppe seltener Erkrankungen, die klinisch durch Erosionen und/oder Blasen an Haut und Schleimhäuten charakterisiert sind. BAIDs können in zwei Gruppen eingeteilt werden: Pemphigus-Erkrankungen, die durch intraepidermale Blasenbildung und Autoantikörper gegen desmosomale Proteine wie Desmoglein (Dsg) 1, Dsg3 und Mitglieder der Plakin-Familie charakterisiert sind, sowie subepidermale BAIDs, die Pemphigoid-Erkrankungen und die Dermatitis herpetiformis umfassen. Bei der Dermatitis herpetiformis greifen die Autoantikörper die Transglutaminasen 2 und 3 an, während sie bei Pemphigoid-Erkrankungen gegen Strukturproteine der dermoepidermalen Junktionszone gerichtet sind. Die Analyse einer periläsionalen Biopsie mittels direkter Immunfluoreszenzmikroskopie (IF-Mikroskopie) stellt zwar nach wie vor den diagnostischen Goldstandard dar, mittlerweile sind jedoch verschiedene Tests allgemein verfügbar, die eine serologische Diagnosefindung für den Großteil der Patienten ermöglichen. Zur serologischen Standarddiagnostik gehört die indirekte IF auf Affenösophagus und NaCl-separierter Spalthaut. Die Spezifität der Autoantikörper kann mit ELISA-Systemen, die auf rekombinanten Formen der immundominanten Regionen der Zielantigene basieren, sowie indirekter IF-Mikroskopie anhand multivarianter Tests mit mehreren multivariate näher charakterisiert werden. Diese serologischen Tests werden durch verschiedene hauseigene Immunoblotting- und ELISA-Systeme ergänzt, die nur in spezialisierten Laboratorien verfügbar sind. In diesem Review geben wir einen Überblick über neue Entwicklungen bei der Diagnose von BAIDs und beschreiben moderne Diagnoseverfahren für diese Krankheitsgruppe.
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Affiliation(s)
- Nina van Beek
- Klinik für Dermatologie, Allergologie und Venerologie, Universität zu Lübeck
| | - Detlef Zillikens
- Klinik für Dermatologie, Allergologie und Venerologie, Universität zu Lübeck
| | - Enno Schmidt
- Klinik für Dermatologie, Allergologie und Venerologie, Universität zu Lübeck.,Lübecker Institut für Experimentelle Dermatologie (LIED), Universität zu Lübeck
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32
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Sajedianfard S, Handjani F, Saki N, Heiran A. Family dermatology life quality index in patients with pemphigus vulgaris: A cross-sectional study. Indian J Dermatol Venereol Leprol 2019; 87:375-378. [PMID: 31464197 DOI: 10.4103/ijdvl.ijdvl_276_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 03/01/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND AND AIMS Pemphigus vulgaris is a rare autoimmune intraepidermal vesiculobullous disease involving the skin and mucosa. It impacts the quality of life of both patients and their families. METHODS A total of 70 patients with pemphigus vulgaris (either outpatient or hospitalized) were enrolled using the simple sampling method between 2016 and 2017 from the dermatology clinic at Faghihi Hospital, Shiraz, Iran. A validated Persian version of the Family Dermatology Life Quality Index (FLDQI) questionnaire was filled by a family caregiver. The questionnaire contained 10 items assessing the quality of life of the family. Demographic variables were recorded in a separate form. RESULTS The mean age of the patients was 51 ± 11.3 years and that of the family caregivers was 32 ± 8.8 years. The FLDQI score was higher (poorer quality of life) if the patient was male, older, had shorter disease duration or had fewer disease recurrences (P = 0.046, 0.01, 0.001 and >0.001, respectively). Higher scores were also obtained in the less-educated caregivers (P = 0.026) but there was no association with either gender or age (P = 0.399, 0.1). CONCLUSION Pemphigus vulgaris significantly affects the Family Dermatology Life Quality Index. Education and counseling of family caregivers by various support groups such as Pemphigus Family Associations could be effective in improving the quality of life of the caregivers. LIMITATIONS This study did not assess the effect of comprising domain analysis, severity of disease, patients' Dermatology Life Quality Index (DLQI), mucosal involvement, response to treatment, outpatient or admitted status, socioeconomic status, or the quality of life among the various family members.
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Affiliation(s)
- Sarvin Sajedianfard
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farhad Handjani
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Dermatology, Shahid Faghihi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nasrin Saki
- Molecular Dermatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Dermatology, Shahid Faghihi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Heiran
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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33
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Saschenbrecker S, Karl I, Komorowski L, Probst C, Dähnrich C, Fechner K, Stöcker W, Schlumberger W. Serological Diagnosis of Autoimmune Bullous Skin Diseases. Front Immunol 2019; 10:1974. [PMID: 31552014 PMCID: PMC6736620 DOI: 10.3389/fimmu.2019.01974] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 08/05/2019] [Indexed: 12/12/2022] Open
Abstract
Autoimmune bullous dermatoses (AIBD) encompass a variety of organ-specific autoimmune diseases that manifest with cutaneous and/or mucosal blisters and erosions. They are characterized by autoantibodies targeting structural proteins of the skin, which are responsible for the intercellular contact between epidermal keratinocytes and for adhesion of the basal keratinocytes to the dermis. The autoantibodies disrupt the adhesive functions, leading to splitting and blister formation. In pemphigus diseases, blisters form intraepidermally, whereas in all other disease types they occur subepidermally. Early identification of autoimmune bullous dermatoses is crucial for both treatment and prognosis, particularly as regards tumor-associated disease entities. The diagnosis is based on clinical symptoms, histopathology, direct immunofluorescence to detect antibody/complement deposits, and the determination of circulating autoantibodies. The identification of various target antigens has paved the way for the recent development of numerous specific autoantibody tests. In particular, optimized designer antigens and multiplex test formats for indirect immunofluorescence and ELISA have enhanced and refined the laboratory analysis, enabling highly efficient serodiagnosis and follow-up. This review elaborates on the current standards in the serological diagnostics for autoimmune bullous dermatoses.
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Affiliation(s)
| | - Ingolf Karl
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
| | - Lars Komorowski
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
| | - Christian Probst
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
| | - Cornelia Dähnrich
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
| | - Kai Fechner
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
| | - Winfried Stöcker
- Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
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Cao T, Shao S, Fang H, Li B, Wang G. Role of Regulatory Immune Cells and Molecules in Autoimmune Bullous Dermatoses. Front Immunol 2019; 10:1746. [PMID: 31428090 PMCID: PMC6688483 DOI: 10.3389/fimmu.2019.01746] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Accepted: 07/10/2019] [Indexed: 12/12/2022] Open
Abstract
Autoimmune bullous dermatoses (AIBD) include a series of typical organ-specific autoimmune diseases characterized by extensive mucocutaneous blisters. It is generally accepted to be caused by pathological autoantibodies that directly target specific adhesion components of the skin or the adjacent mucous membranes. Both innate and adaptive immune systems are critically involved in the misguided immune response against self-antigens. Recent studies have indicated that the dysfunction of regulatory T cells, regulatory B cells, and complement regulatory proteins that play essential roles in maintaining a healthy immune environment is also closely related to immune disorders in AIBD. It is important to summarize these studies, elucidate the changes in these regulatory immune cells and molecules for the pathogenesis of AIBD, and reveal the mechanisms by which they lose their ability to regulate immune disorders. In this review, we highlight the role of regulatory immune cells and molecules in the pathogenesis of pemphigus vulgaris and bullous pemphigoid, the two most representative forms of AIBD, and indicate issues that should be addressed in future investigations.
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Affiliation(s)
- Tianyu Cao
- Department of Dermatology, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Shuai Shao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Hui Fang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Bing Li
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Gang Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Carey B, Joshi S, Abdelghani A, Mee J, Andiappan M, Setterfield J. The optimal oral biopsy site for diagnosis of mucous membrane pemphigoid and pemphigus vulgaris. Br J Dermatol 2019; 182:747-753. [PMID: 31021396 DOI: 10.1111/bjd.18032] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2019] [Indexed: 12/25/2022]
Abstract
BACKGROUND Accepted 'standard practice' for the diagnosis of immunobullous disease is a perilesional sample for direct immunofluorescence (DIF). OBJECTIVES To compare diagnostic outcomes of a normal buccal punch biopsy (NBPB) with a perilesional biopsy (PLB) for mucous membrane pemphigoid (MMP) and pemphigus vulgaris (PV). METHODS A retrospective analysis of 251 DIF-positive patients with MMP and 77 DIF-positive patients with PV was undertaken. Parameters analysed included the intraoral sites of involvement and histopathological, DIF and indirect immunofluorescence (IIF) findings. RESULTS For MMP, PLB was positive in 134 of 143 (93·7%) samples, compared with 129 of 144 (89·6%) by NBPB. The diagnostic sensitivities for PLB (81%, 39 of 48) and NBPB (77%, 37 of 48) among 48 patients who underwent both techniques were not significantly different (P = 0·62). In gingival-only MMP, PLB was positive in 63 of 69 (91%) and NBPB was positive in 63 of 75 (84%). For multisite MMP, PLB was positive in 71 of 74 (96%) and NBPB was positive in 66 of 69 (96%). In gingival-only MMP, biopsies from reflected alveolar mucosa in 17 consecutive patients were positive in 17 of 17 cases (100%). For PV, PLB was positive in 42 of 43 (98%), compared with 42 of 42 (100%) by NBPB. Histopathology was diagnostic in 93 of 134 (69·4%) cases of MMP and 38 of 41 (93%) cases of PV. IIF was positive in 126 of 197 (64·0%) MMP and 68 of 74 (92%) PV patient sera. CONCLUSIONS In the largest series of combined oral DIF results in patients with MMP and PV, we have shown that NBPB is equivalent to PLB for the diagnosis of PV and multisite MMP, and is more sensitive than both histology and IIF. What's already known about this topic? The variation in sensitivity of oral biopsy sites for direct immunofluorescence (DIF) in the diagnosis of oral MMP and PV has not been studied in detail in large series of patients. Biopsy can be challenging due to difficult access and fragility of the oral mucosa. The diagnostic biopsy technique is therefore critical. What does this study add? We have shown that a normal buccal punch biopsy (NBPB) from uninvolved oral mucosa is as sensitive as a perilesional biopsy (PLB) for diagnosis of oral PV, and superior to serology and histology. For multisite MMP, NBPB is equivalent to PLB and is more sensitive than serology and histology. The oral punch biopsy technique on uninvolved buccal mucosa tissue is a simple and safe practical method for diagnosing oral PV and MMP.
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Affiliation(s)
- B Carey
- Oral Medicine, Dental Institute, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - S Joshi
- Oral Medicine, Dental Institute, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - A Abdelghani
- Oral Medicine, College of Dentistry, Taibah University, Al Madinah, Saudi Arabia
| | - J Mee
- Immunodermatology Laboratory, Viapath Analytics, St Thomas' Hospital, London, U.K
| | - M Andiappan
- Centre for Host-Microbiome Interactions, King's College London Faculty of Dentistry, Oral & Craniofacial Sciences, London, U.K
| | - J Setterfield
- Oral Medicine, Dental Institute, Guy's and St Thomas' NHS Foundation Trust, London, U.K.,Centre for Host-Microbiome Interactions, King's College London Faculty of Dentistry, Oral & Craniofacial Sciences, London, U.K.,St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
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Gornowicz-Porowska J, Bowszyc-Dmochowska M, Raptis-Bolwach M, Seraszek-Jaros A, Kaczmarek E, Dmochowski M. Blue light-emitting diode technology-operated microscopy is preferable to both short arc mercury lamp-operated microscopy and laser scanning confocal microscopy for direct immunofluorescence images evaluation in routinely diagnosing subepidermal autoimmune blistering diseases. Microsc Res Tech 2019; 82:1735-1740. [PMID: 31290199 DOI: 10.1002/jemt.23339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 01/04/2019] [Accepted: 06/25/2019] [Indexed: 11/07/2022]
Abstract
Direct immunofluorescence (DIF) microscopy still is the gold standard in diagnosing and differentiating subepidermal autoimmune blistering diseases (SABDs) from other bullous diseases. New optical systems were developed that aim to facilitate DIF images evaluation. The aim of the study was to evaluate the usefulness of three fluorescence microscopy systems with different light source for routine diagnostics of SABDs with DIF. In total, perilesional tissue samples for DIF from 34 SABD patients were examined under the three commercial microscopy systems (short arc mercury lamp-operated microscopy-MLM, blue light-emitting diode technology-operated microscopy-bLED and laser scanning confocal microscopy-LSCM) for the detection and pattern analysis of IgA, IgG, IgG1, IgG4, C3 immunoreactants along the dermal-epidermal junction (DEJ) by three independent observers simultaneously. MLM, bLED, and LSCM provided comparable quality of disease-characterizing immunoreactants imaging (number of immunoreactant types detected and patterns of their deposition along DEJ were the same) but screening of slides was quicker using bLED than both LSCM and MLM, as statistical analysis indicated. It is concluded that bLED is an efficient and preferable system for routinely diagnosing SABDs cost-effectively. RESEARCH HIGHLIGHTS: New optical systems were developed that aim to facilitate direct immunofluorescence evaluation. Here, we evaluate the usefulness of three fluorescence microscopy systems with different light source for routine diagnostics concluding that that bLED is an efficient and preferable system.
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Affiliation(s)
- Justyna Gornowicz-Porowska
- Department of Medicinal and Cosmetic Natural Products, Poznan University of Medical Sciences, Poznan, Poland.,Autoimmune Blistering Dermatoses Section, Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Monika Bowszyc-Dmochowska
- Cutaneous Histopathology and Immunopathology Section, Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Maria Raptis-Bolwach
- Cutaneous Histopathology and Immunopathology Section, Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
| | - Agnieszka Seraszek-Jaros
- Department of Bioinformatics and Computational Biology, Poznan University of Medical Sciences, Poznan, Poland
| | - Elżbieta Kaczmarek
- Department of Bioinformatics and Computational Biology, Poznan University of Medical Sciences, Poznan, Poland
| | - Marian Dmochowski
- Autoimmune Blistering Dermatoses Section, Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
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Sun S, Zhong B, Li W, Jin X, Yao Y, Wang J, Liu J, Dan H, Chen Q, Zeng X. Immunological methods for the diagnosis of oral mucosal diseases. Br J Dermatol 2019; 181:23-36. [PMID: 30585301 DOI: 10.1111/bjd.17589] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2018] [Indexed: 02/05/2023]
Abstract
Immunological methods, which have been widely used in autoimmune blistering diseases (AIBDs) of the oral mucosa, can also be adopted as auxiliary diagnostic tools in oral lichen planus (OLP) and discoid lupus erythematosus (DLE). AIBDs, characterized by autoantibodies against structural proteins of keratinocytes or the basement membrane zone, clinically present as blisters and erosions of the oral mucosa. When atypical lesions occur, OLP or DLE may be confused with AIBDs. The improvement of diagnostic accuracy is necessary due to the significant differences in treatment and prognosis among these diseases. A variety of immunological methods are used for qualitative and quantitative detection of target antigens and autoantibodies. These methods can evaluate efficacy of treatment, monitor diseases and guide treatment decisions. In this review, we discuss the application of immunofluorescence, biochemical tests, and protein microarrays for AIBDs, OLP and DLE, as well as the differential diagnostic methods using immunological tests.
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Affiliation(s)
- S Sun
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
| | - B Zhong
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - W Li
- Department of Dermatovenereology, Rare Disease Center, West China Hospital, Sichuan University, Chengdu, China
| | - X Jin
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences and College of Stomatology, Chongqing Medical University, Chongqing, China
| | - Y Yao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China.,Department of Oral Medicine, Affiliated Hospital of Stomatology, Zunyi Medical University, Zunyi, China
| | - J Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
| | - J Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
| | - H Dan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Q Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
| | - X Zeng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, China
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Abstract
BACKGROUND Pemphigus diseases are a heterogeneous group of potentially life-threatening autoimmune bullous disorders. Therefore, rapidly acting and effective therapeutic approaches are essential. OBJECTIVES In this review, current therapeutic options in line with available guidelines are presented and new therapeutic approaches are discussed. METHODS A literature search was performed using PubMed. RESULTS Treatment of pemphigus is based on systemic glucocorticosteroids, frequently combined with potentially corticosteroid-sparing immunosuppressants such as azathioprine and mycophenolate mofetil/mycophenolic acid. Recently, the impressive efficacy of the anti-CD20 antibody rituximab has been shown in a prospective randomized trial. In severe or treatment-refractory cases, immunoadsorption or high-dose intravenous immunoglobulins (IVIG) are recommended. Adjuvant immunoadsorption also seems to be useful within the first 8-12 weeks of therapy in patients with very high autoantibody levels. A variety of new therapeutic approaches is currently evaluated in phase IIa studies. CONCLUSION Therapy of pemphigus has been greatly improved by the employment of rituximab. The use of glucocorticosteroids, associated with a high number of adverse events and elevated mortality, could be reduced by the additional use of rituximab. After approval of rituximab for the treatment of pemphigus by the US Food and Drug Administration in 2018, licensing in Europe is expected in 2019.
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Affiliation(s)
- N van Beek
- Klinik für Dermatologie, Allergologie und Venerologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland.
| | - D Zillikens
- Klinik für Dermatologie, Allergologie und Venerologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland
| | - E Schmidt
- Klinik für Dermatologie, Allergologie und Venerologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland.,Lübecker Institut für Experimentelle Dermatologie (LIED), Universität zu Lübeck, Lübeck, Deutschland
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Buonavoglia A, Leone P, Dammacco R, Di Lernia G, Petruzzi M, Bonamonte D, Vacca A, Racanelli V, Dammacco F. Pemphigus and mucous membrane pemphigoid: An update from diagnosis to therapy. Autoimmun Rev 2019; 18:349-358. [PMID: 30738958 DOI: 10.1016/j.autrev.2019.02.005] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 11/02/2018] [Indexed: 12/23/2022]
Abstract
Pemphigus diseases (PDs) and mucous membrane pemphigoid (MMP) are a group of immune-mediated mucocutaneous disorders clinically characterized by the formation of blisters, erosions and ulcers. The skin and mucous membranes are predominantly affected, with the oropharyngeal mucosa as the initially involved site. Ocular involvement is also a frequent feature of these diseases. Because of the considerable overlap in their clinical presentations, the diagnosis of PDs vs. MMP can be challenging. A recognition of their specific immunological and histopathologic features is crucial in the differential diagnosis. Treatment modalities include systemically administered corticosteroids, steroid-sparing immunosuppressive agents, and biologic therapies (rituximab, intravenous immunoglobulins, and anti-tumor necrosis factor agents). Topical, oral, conjunctival, or intralesional corticosteroids as well as anti-inflammatory drugs and antibiotics are prescribed as needed.
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Affiliation(s)
- Alessio Buonavoglia
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy
| | - Patrizia Leone
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy
| | - Rosanna Dammacco
- Department of Ophthalmology and Neuroscience, University of Bari Medical School, Bari, Italy
| | - Giuseppe Di Lernia
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy
| | - Massimo Petruzzi
- Interdisciplinary Department of Medicine, Section of Dentistry, University of Bari Medical School, Bari, Italy
| | - Domenico Bonamonte
- Department of Biomedical Sciences and Human Oncology, Dermatology Unit, University of Bari Medical School, Bari, Italy
| | - Angelo Vacca
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy
| | - Vito Racanelli
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy.
| | - Franco Dammacco
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine "Guido Baccelli", University of Bari Medical School, Bari, Italy.
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Sernicola A, Russo I, Saponeri A, Alaibac M. Biochip detection of BP180 autoantibodies in blister fluid for the serodiagnosis of bullous pemphigoid: A pilot study. Medicine (Baltimore) 2019; 98:e14514. [PMID: 30762788 PMCID: PMC6408141 DOI: 10.1097/md.0000000000014514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Bullous pemphigoid is an autoimmune subepidermal blistering skin disease immunologically defined by autoantibodies directed against basement membrane zone antigens, the main of which is BP180. Laboratory tests are essential for diagnosis and include direct immunofluorescence and serologic assessments with indirect immunofluorescence and ELISA. Serology may be performed on blister fluid, in alternative to blood serum. This study investigated the use of a Biochip-based indirect immunofluorescence approach for the serum diagnosis of bullous pemphigoid on blister fluid. We compared the results using the Biochip-method with the ELISA detection of bullous pemphigoid-180 autoantibodies in blister fluid and observed a perfect correlation between these 2 methods in our group of 13 patients with clinical and direct immunofluorescence diagnosis of bullous pemphigoid. The Biochip is a simple, standardized and inexpensive diagnostic tool and its use on blister fluid may facilitate the diagnosis of this and other autoimmune bullous disorders. Our results suggest that the Biochip assay on serum of bullae is a non-invasive screening technique for the early diagnosis of bullous pemphigoid that is practical for fragile elderly patients and achievable even in small laboratory settings.
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Witte M, Zillikens D, Schmidt E. Diagnosis of Autoimmune Blistering Diseases. Front Med (Lausanne) 2018; 5:296. [PMID: 30450358 PMCID: PMC6224342 DOI: 10.3389/fmed.2018.00296] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 10/05/2018] [Indexed: 12/11/2022] Open
Abstract
Autoimmune skin blistering diseases (AIBD) are characterized by autoantibodies that are directed against structural proteins in the skin and adjacent mucous membranes. Some clinical signs are typical for a specific AIBD, however, correct diagnosis requires the detection of tissue-bound or circulating autoantibodies. The gold standard for diagnosis of AIBD is the detection of autoantibodies or complement component 3 by direct immunofluorescence (DIF) microscopy of a perilesional biopsy. Circulating antibodies can be detected via indirect immunofluorescence (IIF) microscopy of different tissue substrates including human skin, monkey esophagus, and more recently, recombinant forms of the different target antigens. Latter are also employed in various commercial ELISA systems and by immunoblotting in in-house assays available in specialized laboratories. ELISA systems are also particularly valuable for monitoring of the disease activity during the disease course which can be helpful for treatment decisions. Exact diagnosis is essential for both treatment and prognosis, since some AIBD are associated with malign tumors such as paraneoplastic pemphigus and anti-laminin 332 mucous membrane pemphigoid. This review presents clinical and immunopathological features of AIBD for the state-of the art diagnosis of these disorders.
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Affiliation(s)
- Mareike Witte
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Detlef Zillikens
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Enno Schmidt
- Department of Dermatology, University of Lübeck, Lübeck, Germany
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42
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Lopez AT, Geskin L. A Case of Nivolumab-Induced Bullous Pemphigoid: Review of Dermatologic Toxicity Associated with Programmed Cell Death Protein-1/Programmed Death Ligand-1 Inhibitors and Recommendations for Diagnosis and Management. Oncologist 2018; 23:1119-1126. [PMID: 30018132 PMCID: PMC6263133 DOI: 10.1634/theoncologist.2018-0128] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 05/18/2018] [Indexed: 01/05/2023] Open
Abstract
Immunotherapy has emerged as a highly effective treatment for numerous cancers. Use of checkpoint inhibitors against various molecules including programmed cell death protein-1 (PD-1), programmed death ligand-1 (PD-L1), and cytotoxic T-lymphocyte-associated protein-4 have become widespread in clinical practice. Compared with conventional chemotherapy, immunotherapy is associated with a unique set of immune reactions known collectively as immune-related adverse events (irAEs). Of known irAEs, cutaneous toxicity is among the most frequently observed in patients treated with immunotherapy. Although often mild, dermatologic toxicity can occasionally be high grade and potentially life-threatening. In this article, we report a case of PD-1 inhibitor-induced bullous pemphigoid-a serious adverse event that has been increasingly observed with use of PD-1/PD-L1 inhibitors. We will also review diagnosis and management of low-grade cutaneous irAEs and bullous disease with checkpoint inhibitors. KEY POINTS PD-1/PD-L1 inhibitor-induced bullous pemphigoid (BP) is a rare but potentially serious dermatologic toxicity associated with checkpoint inhibitorsIn patients with pruritus or rash that is refractory to topical steroids, physicians should have a greater index of suspicion for higher-grade cutaneous immune-related adverse events.There is no standardized treatment algorithm for management of PD-1/PD-L1 inhibitor-induced BP, but patients frequently require topical and systemic steroids.
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Affiliation(s)
- Adriana T Lopez
- Columbia University College of Physicians and Surgeons, New York, New York, USA
| | - Larisa Geskin
- Department of Dermatology, Columbia University Medical Center, New York, New York, USA
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Amber KT, Murrell DF, Schmidt E, Joly P, Borradori L. Autoimmune Subepidermal Bullous Diseases of the Skin and Mucosae: Clinical Features, Diagnosis, and Management. Clin Rev Allergy Immunol 2018; 54:26-51. [PMID: 28779299 DOI: 10.1007/s12016-017-8633-4] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Autoimmune subepidermal blistering diseases of the skin and mucosae constitute a large group of sometimes devastating diseases, encompassing bullous pemphigoid, gestational pemphigoid, mucous membrane pemphigoid, epidermolysis bullosa acquisita, and anti-p200 pemphigoid. Their clinical presentation is polymorphic. These autoimmune blistering diseases are associated with autoantibodies that target distinct components of the basement membrane zone of stratified epithelia. These autoantigens represent structural proteins important for maintenance of dermo-epidermal integrity. Bullous pemphigoid (BP) is the most common subepidermal autoimmune blistering disease of the skin and mucosae. Although the disease typically presents with a generalized blistering eruption associated with itch, atypical variants with either localized bullous lesions or "non-bullous" presentations are observed in approximately 20% of patients. A peculiar form of BP typically associated with pregnancy is pemphigoid gestationis. In anti-p200 pemphigoid, patients present with tense blisters on erythematosus or normal skin resembling BP, with a predilection for acral surfaces. These patients have antibodies targeting the 200-kDa basement membrane protein. Epidermolysis bullosa is a rare autoimmune blistering disease associated with autoantibodies against type VII collagen that can have several phenotypes including a classical form mimicking dystrophic epidermolysis bullosa, an inflammatory presentation mimicking BP, or mucous membrane pemphigoid-like lesions. Mucous membrane pemphigoid (MMP) is the term agreed upon by international consensus for an autoimmune blistering disorder, which affects one or more mucous membrane and may involve the skin. The condition involves a number of different autoantigens in the basement membrane zone. It may result in severe complications from scarring, such as blindness and strictures. Diagnosis of these diseases relies on direct immunofluorescence microscopy studies and immunoserological assays. Management of affected patients is often challenging. We will here review the clinical and immunopathological features as well as the pathophysiology of this group of organ-specific autoimmune diseases. Finally, we will discuss the diagnostic approach and the principles of management in clinical practice.
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Affiliation(s)
- Kyle T Amber
- Department of Dermatology, University of California Irvine Health, 118 Med Surg 1, Irvine, CA, 92697, USA.
| | - Dedee F Murrell
- Department of Dermatology, St. George Hospital, Gray Street, Kogarah, Sydney, NSW, Australia
| | - Enno Schmidt
- Department of Dermatology, University of Lübeck, Lübeck, Germany
- Lübeck Institute of Experimental Dermatology (LIED), University of Lübeck, Lübeck, Germany
| | - Pascal Joly
- Department of Dermatology, INSERM U901, University of Rouen, Rouen, France
| | - Luca Borradori
- Department of Dermatology, University of Bern, Bern, Switzerland
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Pietkiewicz P, Bowszyc-Dmochowska M, Gornowicz-Porowska J, Dmochowski M. Involvement of Nail Apparatus in Pemphigus Vulgaris in Ethnic Poles Is Infrequent. Front Med (Lausanne) 2018; 5:227. [PMID: 30155468 PMCID: PMC6102408 DOI: 10.3389/fmed.2018.00227] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 07/25/2018] [Indexed: 11/21/2022] Open
Abstract
Pemphigus vulgaris lesions have a tendency to localize around natural body orifices. The aim here was to analyze the involvement of nail apparatus in pemphigus vulgaris. Sixty seven ethnic Poles suffering from pemphigus vulgaris on photographic files archiving initial presentation were retrospectively evaluated. Pemphigus vulgaris was diagnosed using combination of clinical data, H+E histology, direct immunofluorescence of plucked scalp hair and/or perilesional tissue also for IgG1 and IgG4 deposits evaluation, indirect immunofluorescence on mosaic substrate and/or monkey esophagus, mono-analyte ELISA with desmoglein 1/3 or multi-analyte ELISA. The nail apparatus involvement was found in 9 of 67 patients (13.4%; 3 females and 6 males). Periungual fingernail lesions were found in 6 patients (2 females, 4 males), whereas periungual toenail lesions in just 3 patients (1 female, 2 males). Our patients nail apparatus changes included, by order of frequency, paronychia, nail discoloration, onychorrhexis, Beau lines, periungual hemorrhages, onychomadesis, cross-ridging, onycholysis, and trachyonychia. The average time between the onset, as recalled by patients, and the diagnosis of pemphigus vulgaris with direct immunofluorescence was not statistically different in PV patients with and without nail apparatus lesions. In this article the molecular and immunological rationale for of periungual involvement is discussed. Our single-center study suggests that nail apparatus involvement is infrequent in pemphigus vulgaris in ethnic Poles. Due to the fact that nail apparatus lesions in pemphigus vulgaris may clinically resemble onychomycosis, giving the proper diagnosis can be difficult particularly when other lesions are overlooked or misinterpreted.
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Affiliation(s)
- Pawel Pietkiewicz
- Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
- Surgical Oncology and General Surgery Clinic I, Greater Poland Cancer Center, Poznan, Poland
| | | | | | - Marian Dmochowski
- Department of Dermatology, Poznan University of Medical Sciences, Poznan, Poland
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Połap D, Winnicka A, Serwata K, Kęsik K, Woźniak M. An Intelligent System for Monitoring Skin Diseases. SENSORS 2018; 18:s18082552. [PMID: 30081540 PMCID: PMC6111999 DOI: 10.3390/s18082552] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 07/27/2018] [Accepted: 08/02/2018] [Indexed: 01/06/2023]
Abstract
The practical increase of interest in intelligent technologies has caused a rapid development of all activities in terms of sensors and automatic mechanisms for smart operations. The implementations concentrate on technologies which avoid unnecessary actions on user side while examining health conditions. One of important aspects is the constant inspection of the skin health due to possible diseases such as melanomas that can develop under excessive influence of the sunlight. Smart homes can be equipped with a variety of motion sensors and cameras which can be used to detect and identify possible disease development. In this work, we present a smart home system which is using in-built sensors and proposed artificial intelligence methods to diagnose the skin health condition of the residents of the house. The proposed solution has been tested and discussed due to potential use in practice.
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Affiliation(s)
- Dawid Połap
- Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland.
| | - Alicja Winnicka
- Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland.
| | - Kalina Serwata
- Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland.
| | - Karolina Kęsik
- Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland.
| | - Marcin Woźniak
- Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland.
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Tieppo Francio V, Towery C, Davani S, Allen T, Brown TL. Previously misdiagnosed linear IgA dermatosis resolved with dapsone. BMJ Case Rep 2018; 2018:bcr-2017-220623. [PMID: 29695389 DOI: 10.1136/bcr-2017-220623] [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: 11/04/2022] Open
Abstract
This is the case of a 25-year-old African American woman with a 3-week history of itching with burning, blistering lesions on her torso and extremities. Medical history was unremarkable. Medical treatments included three visits to urgent care, where she was treated with antivirals, oral and topical steroids, antibiotics and antifungals unsuccessfully. We performed a skin biopsy, and immunoflorescent studies revealed a linear deposition of IgA antigen at the basement membrane. The clinical diagnosis of linear IgA dermatosis (LAD) was established, with no eliciting cause, other than potential occupational exposure to Chlamydophila psittaci via her employment in a pet store. This is the first case to our knowledge to report such an association. However, confirmation of the exposure would only establish correlation, not causality. Resolution of symptoms and blisters was achieved with dapsone treatment. Accordingly, we highlight the crucial importance of reviewing exposures, along with the potential aetiology of LAD.
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Affiliation(s)
- Vinicius Tieppo Francio
- College of Medicine; MD/PhD Program, University of Science, Art and Technology, Olveston, BWI, Montserrat
| | - Chris Towery
- College of Medicine; MD/PhD Program, University of Science, Art and Technology, Olveston, BWI, Montserrat.,FACES Dermatology, Santa Clarita, California, USA
| | - Saeid Davani
- College of Medicine; MD/PhD Program, University of Science, Art and Technology, Olveston, BWI, Montserrat
| | - Travis Allen
- College of Medicine; MD/PhD Program, University of Science, Art and Technology, Olveston, BWI, Montserrat.,Internal Medicine, Maricopa Medical Center, Phoenix, AZ, USA
| | - Tony L Brown
- Harvard University, Cambridge, Massachusetts, USA
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BinJadeed HF, Alyousef AM, Alsaif FM, Alhumidi AA, Alotaibi HO. Histologic characterization of cellular infiltration in autoimmune subepidermal bullous diseases in a tertiary hospital in Saudi Arabia. Clin Cosmet Investig Dermatol 2018; 11:187-194. [PMID: 29731653 PMCID: PMC5927141 DOI: 10.2147/ccid.s158388] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Autoimmune subepidermal bullous dermatoses have similar clinical features to those of a spectrum of immune reactants at the dermoepidermal junction (DEJ). It is difficult to obtain a precise diagnosis without an immunofluorescence assay because of their similar clinical presentations. The aim of this study was to describe the cellular cutaneous infiltration among autoimmune subepidermal bullous dermatoses. Materials and methods This retrospective analysis was conducted at a hospital in Riyadh, Saudi Arabia using biopsy-based data collected from 65 patients. Results Spongiotic changes, neutrophils, and lymphocyte infiltrations in the epidermis differed among the subepidermal bullous diseases. The DEJ showed a difference in the extent of neutrophil infiltration. The dermis showed differences in perivascular lymphocytic infiltration, neutrophilic infiltration, eosinophilic infiltration, and dermal edema. Conclusion The dermal and DEJ showed most of the histopathologic changes in subepidermal autoimmune bullous dermatoses.
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Affiliation(s)
| | | | - Fahad M Alsaif
- Department of Dermatology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed A Alhumidi
- Department of Pathology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Homaid O Alotaibi
- Department of Dermatology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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48
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Yu X, Kasprick A, Hartmann K, Petersen F. The Role of Mast Cells in Autoimmune Bullous Dermatoses. Front Immunol 2018. [PMID: 29541076 PMCID: PMC5835758 DOI: 10.3389/fimmu.2018.00386] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Skin mast cells (MCs), a resident immune cell type with broad regulatory capacity, play an important role in sensing danger signals as well as in the control of the local immune response. It is conceivable to expect that skin MCs regulate autoimmune response and are thus involved in autoimmune diseases in the skin, e.g., autoimmune bullous dermatoses (AIBD). Therefore, exploring the role of MCs in AIBD will improve our understanding of the disease pathogenesis and the search for novel therapeutic targets. Previously, in clinical studies with AIBD, particularly bullous pemphigoid, patients' samples have demonstrated that MCs are likely involved in the development of the diseases. However, using MC-deficient mice, studies with mouse models of AIBD have obtained inconclusive or even discrepant results. Therefore, it is necessary to clarify the observed discrepancies and to elucidate the role of MCs in AIBD. Here, in this review, we aim to clarify discrepant findings and finally elucidate the role of MCs in AIBD by summarizing and discussing the findings in both clinical and experimental studies.
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Affiliation(s)
- Xinhua Yu
- Priority Area Asthma and Allergy, Research Center Borstel, Borstel, Germany.,Airway Research Center North (ARCN), German Center for Lung Research (DZL), Borstel, Germany
| | - Anika Kasprick
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
| | - Karin Hartmann
- Department of Dermatology, University of Lübeck, Lübeck, Germany
| | - Frank Petersen
- Priority Area Asthma and Allergy, Research Center Borstel, Borstel, Germany.,Airway Research Center North (ARCN), German Center for Lung Research (DZL), Borstel, Germany
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49
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Xuan RR, Yang A, Murrell DF. New biochip immunofluorescence test for the serological diagnosis of pemphigus vulgaris and foliaceus: A review of the literature. Int J Womens Dermatol 2018; 4:102-108. [PMID: 29872685 PMCID: PMC5986232 DOI: 10.1016/j.ijwd.2017.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 09/30/2017] [Accepted: 10/01/2017] [Indexed: 12/19/2022] Open
Abstract
The immunoassays that are available for the serological diagnosis of the more common subtypes of autoimmune blistering diseases such as pemphigus vulgaris (PV) and pemphigus foliaceus (PF) include enzyme-linked immunosorbent assay (ELISA) testing to specific antigens desmoglein (Dsg)1 and Dsg3, direct immunofluorescence (DIF), indirect immunofluorescence (IIF), and immunoblotting. A review of the literature on the biochip assay was conducted. Six studies investigated the validity of a new biochip, mosaic-based, IIF test in patients with pemphigus and demonstrated its relatively high sensitivity and specificity (Dsg3: 97.62-100%, 99.6-100%; Dsg1: 90%, 100%) in comparison with ELISA (Dsg3: 81-100%, 94-100%; Dsg1: 69-100%, 61.1-100%), and/or IIF (PV: 75-100%, 91.8-100%; PF: 67-100%) using suitable substrates. So far, validation studies of the biochip have been conducted in four countries (Germany, Italy, Turkey, and Poland) but none in the southern hemisphere. Caucasian patients were recruited as normal controls for these studies; thus, the diagnostic value of the biochip remains uncertain in population groups of other ethnicities. A range of disease control patients were recruited including patients with linear immunoglobulin A dermatosis, psoriasis, discoid lupus erythematosus, lichen planus, and noninflammatory skin diseases (e.g., squamous cell carcinoma, basal cell carcinoma, and vascular leg ulcers). Prospective studies with control patients from a diverse range of ethnicities are needed to better validate the biochip.
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Affiliation(s)
- Rachel R Xuan
- Department of Dermatology, St George Hospital, Sydney, New South Wales, Australia.,University of New South Wales, Sydney, New South Wales, Australia
| | - Anes Yang
- Department of Dermatology, St George Hospital, Sydney, New South Wales, Australia.,University of New South Wales, Sydney, New South Wales, Australia
| | - Dedee F Murrell
- Department of Dermatology, St George Hospital, Sydney, New South Wales, Australia.,University of New South Wales, Sydney, New South Wales, Australia
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Eckardt J, Eberle FC, Ghoreschi K. Diagnostic value of autoantibody titres in patients with bullous pemphigoid. Eur J Dermatol 2018; 28:3-12. [PMID: 29336324 DOI: 10.1684/ejd.2017.3166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Bullous pemphigoid (BP) is the most common autoimmune blistering disease of the skin requiring skin and serum tests for a precise diagnosis. OBJECTIVES We analysed the sensitivity and specificity of BP-relevant parameters and the value of autoantibody titres during follow-up of BP patients. MATERIALS & METHODS In a retrospective single-centre study, we included 200 consecutive patients with BP and 400 non-BP patients, and evaluated the test results of patients' serum and skin. In addition, we followed patients' autoantibody titres and clinical characteristics. RESULTS BP180-ELISA revealed the highest sensitivity (85.0%; specificity: 93.9%), while BP230-ELISA demonstrated the lowest sensitivity (55.5%; specificity: 92.9%). Direct and indirect immunofluorescence showed comparable results for sensitivity (77.2%/72.7%) and specificity (94.9%/93.7%). The sensitivity for skin histology was 76.3% (specificity: 81.3%). Longitudinal analysis showed significant changes in autoantibody titres. CONCLUSIONS BP diagnostics should include serum tests for BP autoantibodies and skin immunofluorescence. Skin histology is supportive for diagnosis. Autoantibody titres are markers for disease activity.
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Affiliation(s)
- Julia Eckardt
- Department of Dermatology, University Medical Centre, Eberhard Karls University Tübingen, Germany
| | - Franziska C Eberle
- Department of Dermatology, University Medical Centre, Eberhard Karls University Tübingen, Germany
| | - Kamran Ghoreschi
- Department of Dermatology, University Medical Centre, Eberhard Karls University Tübingen, Germany
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