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Xu J, Zhai J, Zhao J. Pathogenic roles of follicular helper T cells in IgG4-related disease and implications for potential therapy. Front Immunol 2024; 15:1413860. [PMID: 38911857 PMCID: PMC11190345 DOI: 10.3389/fimmu.2024.1413860] [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: 04/08/2024] [Accepted: 05/27/2024] [Indexed: 06/25/2024] Open
Abstract
IgG4-related disease (IgG4-RD) is a recently described autoimmune disorder characterized by elevated serum IgG4 levels and tissue infiltration of IgG4+ plasma cells in multiple organ systems. Recent advancements have significantly enhanced our understanding of the pathological mechanism underlying this immune-mediated disease. T cell immunity plays a crucial role in the pathogenesis of IgG4-RD, and follicular helper T cells (Tfh) are particularly important in germinal center (GC) formation, plasmablast differentiation, and IgG4 class-switching. Apart from serum IgG4 concentrations, the expansion of circulating Tfh2 cells and plasmablasts may also serve as novel biomarkers for disease diagnosis and activity monitoring in IgG4-RD. Further exploration into the pathogenic roles of Tfh in IgG4-RD could potentially lead to identifying new therapeutic targets that offer more effective alternatives for treating this condition. In this review, we will focus on the current knowledge regarding the pathogenic roles Tfh cells play in IgG4-RD and outline potential therapeutic targets for future clinical intervention.
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Affiliation(s)
- Jingyi Xu
- Department of Rheumatology and Immunology, Peking University Third Hospital, Beijing, China
| | - Jiayu Zhai
- Department of Rheumatology and Immunology, Peking University Third Hospital, Beijing, China
- Center for Rare Disease, Peking University Third Hospital, Beijing, China
| | - Jinxia Zhao
- Department of Rheumatology and Immunology, Peking University Third Hospital, Beijing, China
- Center for Rare Disease, Peking University Third Hospital, Beijing, China
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Oliveira SM, Gomes I, Trigo I, Fonseca E, Lopes RN, Oliveira AS. IgG4-related disease: Case report and 6-year follow-up of an elusive diagnosis mimicking malignancy. Clin Case Rep 2024; 12:e8894. [PMID: 38736580 PMCID: PMC11087225 DOI: 10.1002/ccr3.8894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/11/2024] [Accepted: 04/26/2024] [Indexed: 05/14/2024] Open
Abstract
Key Clinical Message IgG4-related disease is a rare and emerging pathology, characterized by the appearance of pseudotumors. Due to the ability to mimic other pathologies, it is essential to consider it as a differential diagnosis in multisystemic processes. The diagnosis is challenging, requiring a multidisciplinary approach, to minimize the associated morbidity and mortality. Abstract IgG4-related disease (IgG4-RD) is a rare, emerging, systemic and chronic pathology, characterized by the appearance of pseudotumors resulting from tissue infiltration by IgG4-positive plasma cells that promote eosinophilic inflammation of the tissue with subsequent fibrosis. We present the case of a male, 45-year-old patient, with marked weight loss and skin pallor detected by his family doctor during a child health consultation of his daughter. When questioned, the patient referred complaints of postprandial discomfort in the left hypochondrium with a feeling of fullness, weight loss, chronic fatigue and hyperhidrosis that had lasted for a month. On physical examination, he was pale, and had pain at palpation of the left hypochondrium. Laboratory data showed increased inflammation markers, abdominal ultrasound and CT demonstrated numerous enlarged lymph nodes in the upper quadrants, raising concern for a malignant lymphoproliferative process. Serological, imaging, clinical and laparoscopic excisional biopsy revealed features of IgG4-related disease and excluded malignant lymphoproliferative disease. The immediate response to treatment with oral prednisolone 30 mg/day also contributed for diagnosis confirmation. Due to refractory disease after gradual prednisolone reduction, second-line therapy with rituximab was initiated. Over the 6 years of follow-up, the patient presented multiple exacerbations characterized by the emergence of systemic symptoms, being maintained under close clinical and imaging follow-up by reumathology, infectious diseases, and family medicine specialists.
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Affiliation(s)
- Sara Melo Oliveira
- Family Health Unit of Barrinha, EsmorizLocal Health Unit of the Aveiro RegionAveiroPortugal
| | - Isabel Gomes
- Family Health Unit of Barrinha, EsmorizLocal Health Unit of the Aveiro RegionAveiroPortugal
| | - Inês Trigo
- Family Health Unit of Barrinha, EsmorizLocal Health Unit of the Aveiro RegionAveiroPortugal
| | - Elsa Fonseca
- Department of Pathology, Centro Hospitalar Universitário de São João; Instituto de Investigação e Inovação em Saúde (i3S) and Institute of Molecular Pathology and ImmunologyUniversity of Porto (Ipatimup); Faculty of Medicine of the University of PortoPortoPortugal
| | - Rita Neto Lopes
- Family Health Unit of Barrinha, EsmorizLocal Health Unit of the Aveiro RegionAveiroPortugal
| | - Ana Sofia Oliveira
- Family Health Unit of Barrinha, EsmorizLocal Health Unit of the Aveiro RegionAveiroPortugal
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Wei Q, Qi H, Wei H, Wang X, Zhang H. IgG4-related disease with massive pericardial effusion diagnosed clinically using FDG-PETCT: a case report. Front Immunol 2023; 14:1285822. [PMID: 38187395 PMCID: PMC10766768 DOI: 10.3389/fimmu.2023.1285822] [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: 08/30/2023] [Accepted: 11/23/2023] [Indexed: 01/09/2024] Open
Abstract
Background IgG4-related disease (IgG4-RD) is a systemic inflammatory disease which involves various organs such as the pancreas, lacrimal gland, salivary gland, retroperitoneum, and so on. These organs can be affected concomitantly. 18-Fluorodeoxyglucose positron emission tomography computed tomography (FDG-PETCT) is a systemic examination which can identify active inflammation and detect multiple organ involvement simultaneously. Pericardial involvement is rare in IgG4-RD, early detection and treatment can greatly improve the prognosis of patients. Case summary We reported a 82-year-old female patient referred to our department complaining of chest tightness and abdominal fullness for 8 months and massive pericardial effusion for 2 months. A large amount of pericardial effusion was found during the hospitalization of Gastroenterology. Then she was transferred to cardiology. Although infectious, tuberculous, and neoplastic pericardial effusions were excluded, there was still no diagnosis. The patients were examined by FDG-PETCT which considered IgG4-RD. After coming to our department, the results of the patient's laboratory tests showed that immunoglobulin subgroup IgG4 was 14.0 g/L. Then we performed a biopsy of the right submandibular gland. Pathological morphology and immunohistochemistry suggested IgG4-RD. Combined with level of IgG4, clinical, pathological and immunohistochemical results, we determined the final diagnosis of IgG4 related diseases. Then we gave glucocorticoid and immunosuppressant treatment. At the end, pericardial effusion was completely absorbed. As prednisone acetate was gradually reduced, no recurrence of the disease has been observed. Conclusion Pericardial effusion can be the initial presentation in IgG4-RD. For patients with massive pericardial effusion of unknown cause, early detection of IgG4 is recommended, and PETCT may be helpful for obtaining the diagnosis.
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Affiliation(s)
- Qiaofeng Wei
- Department of Rheumatology, Zibo Central Hospital, Shandong, Zibo, China
| | - Huili Qi
- Department of Rheumatology, Zibo Central Hospital, Shandong, Zibo, China
| | - Hongmei Wei
- Huaqiaocheng Clinic, Zibo Central Hospital, Shandong, Zibo, China
| | - Xiuhua Wang
- Department of Rheumatology and Autoimmunology, The First Affiliated Hospital of Shandong First Medical University, Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
| | - Hongju Zhang
- Department of Rheumatology, Zibo Central Hospital, Shandong, Zibo, China
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Kasashima S, Kawashima A, Kurose N, Ozaki S, Kasashima F, Matsumoto Y, Takemura H, Ikeda H, Harada K. Disordered Balance of T-Cell Subsets in Arterial Tertiary Lymphoid Organs in Immunoglobulin G4-Related Vascular Disease. J Am Heart Assoc 2023; 12:e030356. [PMID: 38063185 PMCID: PMC10863754 DOI: 10.1161/jaha.123.030356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/10/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND Arterial/aortic tertiary lymphoid organs (ATLOs), characterized by germinal centers, control local arterial immune responses. T follicular helper cells (Tfh), resident in germinal centers, regulate immunoglobulin production and germinal center development. They consist of Tfh1, Tfh2, and Tfh17 subsets. T follicular regulatory (Tfr) cells possess suppressive functions as regulatory T cells and migrate into germinal centers. Immunoglobulin G4 (IgG4)-related diseases manifest in vascular lesions as frequently formed inflammatory aneurysms (IgG4-related abdominal aortic aneurysm [IgG4-AAAs]). IgG4-AAAs contain several ATLOs. METHODS AND RESULTS We performed whole-slide immunohistochemical image analysis in surgical specimens of IgG4-AAAs (n=21), non-IgG4-related inflammatory AAAs (n=17), atherosclerotic AAAs (n=10), and Takayasu arteritis (n=5). IgG4-AAA was characterized by numerous, large, irregular-shaped ATLOs, and higher numbers of Tfr and Tfh2 cells than Tfh1 cells were present compared with others. The morphologic abnormalities (in number, area, and form) of ATLOs in IgG4-AAAs and the increased number of Tfr cells are closely related to the activity of IgG4-related diseases. All T-cell subsets were more enriched within ATLOs than outside ATLOs. In particular, an increase in Tfr cells in IgG4-AAAs was associated with ATLO formation. Increased Tfh17 cells were found in Takayasu arteritis, and atherosclerotic AAA and non-IgG4-related inflammatory AAAs were characterized by increased Tfh1 cells. CONCLUSIONS In the classification of vascular lesions, considering the imbalance in T-cell subsets, IgG4-AAA should be positioned as adventitial vasculitis with predominant Tfr and Tfh2 cells, accompanied by the abnormal appearance of ATLOs.
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Affiliation(s)
- Satomi Kasashima
- Department of Clinical Laboratory Science, Graduate School of Health ScienceKanazawa UniversityKanazawaJapan
- Department of PathologyNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
- Department of Clinical LaboratoryNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
| | - Atsuhiro Kawashima
- Department of PathologyNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
- Department of Clinical LaboratoryNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
| | - Nozomu Kurose
- Department of PathologyNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
- Department of Clinical LaboratoryNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
| | - Satoru Ozaki
- Department of Clinical Laboratory Science, Graduate School of Health ScienceKanazawa UniversityKanazawaJapan
| | - Fuminori Kasashima
- Department of Cardiovascular SurgeryNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
| | - Yasushi Matsumoto
- Department of Cardiovascular SurgeryNational Hospital Organization, Kanazawa Medical CenterKanazawaJapan
| | - Hirofumi Takemura
- Department of Cardiovascular SurgeryKanazawa University HospitalKanazawaJapan
| | - Hiroko Ikeda
- Department of PathologyKanazawa University HospitalKanazawaJapan
| | - Ken‐ichi Harada
- Department of Human Pathology, Graduate School of MedicineKanazawa UniversityKanazawaJapan
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Rispens T, Huijbers MG. The unique properties of IgG4 and its roles in health and disease. Nat Rev Immunol 2023; 23:763-778. [PMID: 37095254 PMCID: PMC10123589 DOI: 10.1038/s41577-023-00871-z] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 04/26/2023]
Abstract
IgG4 is the least abundant subclass of IgG in human serum and has unique functional features. IgG4 is largely unable to activate antibody-dependent immune effector responses and, furthermore, undergoes Fab (fragment antigen binding)-arm exchange, rendering it bispecific for antigen binding and functionally monovalent. These properties of IgG4 have a blocking effect, either on the immune response or on the target protein of IgG4. In this Review, we discuss the unique structural characteristics of IgG4 and how these contribute to its roles in health and disease. We highlight how, depending on the setting, IgG4 responses can be beneficial (for example, in responses to allergens or parasites) or detrimental (for example, in autoimmune diseases, in antitumour responses and in anti-biologic responses). The development of novel models for studying IgG4 (patho)physiology and understanding how IgG4 responses are regulated could offer insights into novel treatment strategies for these IgG4-associated disease settings.
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Affiliation(s)
- Theo Rispens
- Department of Immunopathology, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Maartje G Huijbers
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.
- Department of Neurology, Leiden University Medical Center, Leiden, The Netherlands.
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Li C, Wang C, Xie HY, Huang L. Cell-Based Biomaterials for Coronavirus Disease 2019 Prevention and Therapy. Adv Healthc Mater 2023; 12:e2300404. [PMID: 36977465 DOI: 10.1002/adhm.202300404] [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: 02/09/2023] [Revised: 03/17/2023] [Indexed: 03/30/2023]
Abstract
Coronavirus disease 2019 (COVID-19) continues to threaten human health, economic development, and national security. Although many vaccines and drugs have been explored to fight against the major pandemic, their efficacy and safety still need to be improved. Cell-based biomaterials, especially living cells, extracellular vesicles, and cell membranes, offer great potential in preventing and treating COVID-19 owing to their versatility and unique biological functions. In this review, the characteristics and functions of cell-based biomaterials and their biological applications in COVID-19 prevention and therapy are described. First the pathological features of COVID-19 are summarized, providing enlightenment on how to fight against COVID-19. Next, the classification, organization structure, characteristics, and functions of cell-based biomaterials are focused on. Finally, the progress of cell-based biomaterials in overcoming COVID-19 in different aspects, including the prevention of viral infection, inhibition of viral proliferation, anti-inflammation, tissue repair, and alleviation of lymphopenia are comprehensively described. At the end of this review, a look forward to the challenges of this aspect is presented.
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Affiliation(s)
- Chuyu Li
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Chenguang Wang
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Hai-Yan Xie
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Lili Huang
- School of Medical Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
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Ou Y, Zhang L, Ouyang R, Liang Q. Clinical characteristics of IgG4 -related disease with lung involvement in 14 patients. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2023; 48:59-67. [PMID: 36935178 PMCID: PMC10930550 DOI: 10.11817/j.issn.1672-7347.2023.220274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Indexed: 03/21/2023]
Abstract
OBJECTIVES Immunoglobulin G4-related diseases (IgG4-RD) is a rare autoimmune disease, and there is no specific diagnostic test for patients with lung involvement yet. This study aims to summarize the clinical characteristics of IgG4-RD with lung involvement and improve the understanding and diagnosis of this disease. METHODS All patients diagnosed with IgG4-RD in the Second Xiangya Hospital from December 2014 to February 2022 were re-diagnosed according to the recommendations of Chinese Expert Consensus on the Diagnosis and Treatment of IGG4-Related Diseases in 2021. The clinical data of 14 IgG4-RD patients with pulmonary abnormalities were collected and analyzed. RESULTS Among the 14 patients, 11 were males and 3 were females, and the median age of diagnosis was 66 (22-82) years old. Six cases had respiratory symptoms such as cough, sputum and short breath. Extrapulmonary involvement was the most common in the glands of head and neck (6/14), followed by pancreas and bile duct (4/14). Elevated serum IgG4 level was found in all patients, and most (11/14) were accompanied by abnormal inflammatory markers. Patients' pulmonary imaging findings were diverse, the most common performances were mediastinal/hilar lymphadenopathy (12/14), followed by multiple pulmonary nodules (9/14), patchy density enhancement (7/14) and the increased broncho vascular bundles (6/14). Lung biopsy was performed in 9 patients, their pathology results showed lymphoplasmic cell infiltration, 5 cases of them had interstitial fibrosis, 2 cases with phlebitis, and extrapulmonary biopsy was performed in 8 patients. Immunohistochemical results of all the patients showed that the number of IgG4+ plasma cells was more than 10 per high magnification, and the ratio of IgG4/IgG was more than 40%. For treatment, 12 patients received hormone therapy, and 5 patients combined immunosuppressive therapy with hormone. 10 patients were in remission after treatment, while 2 patients were progressed. CONCLUSIONS IgG4-RD with lung involvement is rare and has no specific clinical manifestation. Its pulmonary imaging is diverse. Diagnosis for it should combine with serum IgG4 level and pathological examination. Glucocorticoid is the first line treatment, and combination with immunosuppressant can help prevent disease recurrence.
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Affiliation(s)
- Yanru Ou
- Department of Respiratory and Critical Care Medicine, Second Xiangya Hospital, Central South University, Changsha 410011.
| | - Lianhua Zhang
- Department of Respiratory and Critical Care Medicine, Second Xiangya Hospital, Central South University, Changsha 410011
| | - Ruoyun Ouyang
- Department of Respiratory and Critical Care Medicine, Second Xiangya Hospital, Central South University, Changsha 410011.
| | - Qingchun Liang
- Department of Pathology, Second Xiangya Hospital, Central South University, Changsha 410011, China.
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Olejarz M, Szczepanek-Parulska E, Ostałowska-Klockiewicz A, Antosik P, Sawicka-Gutaj N, Helak-Łapaj C, Stopa M, Ruchala M. High IgG4 serum concentration is associated with active Graves orbitopathy. Front Endocrinol (Lausanne) 2023; 14:1083321. [PMID: 36936165 PMCID: PMC10014914 DOI: 10.3389/fendo.2023.1083321] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/07/2023] [Indexed: 03/05/2023] Open
Abstract
BACKGROUND The aim of the study was to evaluate the differences in clinical profile, laboratory parameters, and ophthalmological signs, and symptoms between patients with high IgG4 Graves orbitopathy and patients with normal IgG4 Graves orbitopathy. METHODS This was a prospective observational study. We recruited adult patients with Graves Orbitopathy(GO) referred to our clinic for further diagnostics and treatment. Eventually, 60 patients with GO were enrolled in the study. All patients underwent ophthalmological assessment, magnetic resonance imaging (MRI) of the orbits, and laboratory tests, including IgG4 serum concentration measurement. High IgG4 GO was diagnosed if the IgG4 concentration exceeded 135 mg/dl. We used both the clinical activity score (CAS) and magnetic resonance imaging (MRI) to assess the activity of GO. Eventually, active GO was defined according to MRI results. RESULTS Among 60 GO patients, 15 (25%) patients had elevated IgG4 levels. Patients in the high IgG4 group had a higher prevalence of active GO by MRI than patients with normal IgG4 (100% vs. 64.44%, P=0.006). They also had a higher eosinophile count in peripheral blood, a lower bilirubin level, a more frequent lower eyelid retraction, and a lower prevalence of glaucoma. There were no statistically significant differences between the groups in CAS. Patients with active GO, had higher median IgG4 level [89.95 (55.48; 171.1) vs 43.45 (32.48; 49.68) mg/dl, P<0.001]. The receiver operating characteristic (ROC) analysis for IgG4 as a marker of active GO revealed the following results: AUC 0.848 for the cut-off value of 54.2 mg/dl, sensitivity 79.5%, specificity 87.5%, positive predictive value 94.6%, negative predictive value 59.1%. CONCLUSIONS We demonstrated that IgG4 is a marker of GO activity. Certain differences in the clinical profile of patients with high IgG4 GO, and normal IgG4 GO were observed. More data is needed to establish whether patients with high IgG4 GO are GO patients with particularly active disease or actually represent a distinct clinical entity related to IgG4-Related Disease.
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Affiliation(s)
- Michał Olejarz
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
- *Correspondence: Michał Olejarz,
| | - Ewelina Szczepanek-Parulska
- Department of Ophthalmology, Chair of Ophthalmology and Optometry, Poznan University of Medical Sciences, Poznan, Poland
| | - Anna Ostałowska-Klockiewicz
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Patrycja Antosik
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Nadia Sawicka-Gutaj
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Celina Helak-Łapaj
- Department of Ophthalmology, Chair of Ophthalmology and Optometry, Poznan University of Medical Sciences, Poznan, Poland
| | - Marcin Stopa
- Department of Ophthalmology, Chair of Ophthalmology and Optometry, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Ruchala
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
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Lv Z, Wu L, Lu Y, Liu S, Li Q. Bibliometric analysis of IgG4-related disease research from 2003 to 2022 based on Web of Science Core Collection Databases. Clin Rheumatol 2023; 42:15-27. [PMID: 36121577 DOI: 10.1007/s10067-022-06377-8] [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: 07/29/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 01/11/2023]
Abstract
This study aimed to perform a bibliometric analysis of the IgG4-related disease (IgG4-RD) research field over the past 20 years to explore its research hotspots and trends. The literature of IgG4-RD published in the Web of Science Core Collection databases was reviewed from January 1, 2003, to April 30, 2022. A bibliometric analysis was carried out using CiteSpace software to evaluate and visualize the evolving dynamics and hotspots in the field of IgG4-RD. A total of 3174 IgG4-RD articles were reviewed. Since 2011, there has been a rapid increase in published literature. Japan is the highest yielding country and Kanazawa University the highest yielding institution. The USA has the highest centrality (0.34) and plays a critical role in cooperation and communication of IgG4-RD research. Nine highly connected clusters of IgG4-RD were observed by keyword analysis. Research hotspots included IgG4-RD involved organs and differentiation from Rosai-Dorfman disease and primary sclerosing cholangitis. Further research topics include pathogenesis, relapse, and malignancy. As a cross-discipline systemic disease, IgG4-RD requires attention by clinicians in multiple fields. This bibliometric analysis can help researchers grasp trends and provide new perspectives for future research on IgG4-RD.
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Affiliation(s)
- Zhijie Lv
- Department of Pharmacy, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, Zhejiang, China
| | - Li Wu
- Center of Clinical Evaluation, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, Zhejiang, China. .,Center of Clinical Evaluation, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, 310006, Zhejiang, China.
| | - Yan Lu
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Shan Liu
- Center of Clinical Evaluation, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, Zhejiang, China.,Center of Clinical Evaluation, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, 310006, Zhejiang, China
| | - Qiushuang Li
- Center of Clinical Evaluation, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, Zhejiang, China.,Center of Clinical Evaluation, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, 310006, Zhejiang, China
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Giovannini D, Belbezier A, Baillet A, Bouillet L, Kawano M, Dumestre-Perard C, Clavarino G, Noble J, Pers JO, Sturm N, Huard B. Heterogeneity of antibody-secreting cells infiltrating autoimmune tissues. Front Immunol 2023; 14:1111366. [PMID: 36895558 PMCID: PMC9989216 DOI: 10.3389/fimmu.2023.1111366] [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: 01/27/2023] [Indexed: 02/23/2023] Open
Abstract
The humoral response is frequently dysfunctioning in autoimmunity with a frequent rise in total serum immunoglobulins, among which are found autoantibodies that may be pathogenic by themselves and/or propagate the inflammatory reaction. The infiltration of autoimmune tissues by antibody-secreting cells (ASCs) constitutes another dysfunction. The known high dependency of ASCs on the microenvironment to survive combined to the high diversity of infiltrated tissues implies that ASCs must adapt. Some tissues even within a single clinical autoimmune entity are devoid of infiltration. The latter means that either the tissue is not permissive or ASCs fail to adapt. The origin of infiltrated ASCs is also variable. Indeed, ASCs may be commonly generated in the secondary lymphoid organ draining the autoimmune tissue, and home at the inflammation site under the guidance of specific chemokines. Alternatively, ASCs may be generated locally, when ectopic germinal centers are formed in the autoimmune tissue. Alloimmune tissues with the example of kidney transplantation will also be discussed own to their high similarity with autoimmune tissues. It should also be noted that antibody production is not the only function of ASCs, since cells with regulatory functions have also been described. This article will review all the phenotypic variations indicative of tissue adaptation described so for at the level of ASC-infiltrating auto/alloimmune tissues. The aim is to potentially define tissue-specific molecular targets in ASCs to improve the specificity of future autoimmune treatments.
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Affiliation(s)
- Diane Giovannini
- Department of Pathology, Grenoble University Hospital, Grenoble, France.,Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France
| | - Aude Belbezier
- Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France.,Department of Internal Medicine, Grenoble University Hospital, Grenoble, France
| | - Athan Baillet
- Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France.,Department of Rheumatology, Grenoble University Hospital, Grenoble, France
| | - Laurence Bouillet
- Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France.,Department of Internal Medicine, Grenoble University Hospital, Grenoble, France
| | - Mitsuhiro Kawano
- Department of Rheumatology, Kanazawa University Hospital, Kanazawa, Japan
| | | | | | - Johan Noble
- Department of Nephrology, Grenoble University Hospital, Grenoble, France
| | - Jacques-Olivier Pers
- B Lymphocytes, Autoimmunity and Immunotherapies, Brest University, INSERM, UMR1227, Brest, France.,Odontology Unit, Brest University Hospital, Brest, France
| | - Nathalie Sturm
- Department of Pathology, Grenoble University Hospital, Grenoble, France.,Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France
| | - Bertrand Huard
- Translational Research in Autoimmunity and Inflammation Group (TRAIG), Translational Innovation in Medicine and Complexity (TIMC), University Grenoble-Alpes, CNRS Unité mixte de recherche (UMR) 5525, Grenoble, France
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Kasashima S, Kawashima A, Kurose N, Ozaki S, Ikeda H, Harada K. The disturbance of the distribution of T helper cell subsets in the mantle area surrounding germinal centers in immunoglobulin G4-related sclerosing sialadenitis. Virchows Arch 2022; 481:767-777. [PMID: 35902401 DOI: 10.1007/s00428-022-03384-7] [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: 05/14/2022] [Revised: 06/30/2022] [Accepted: 07/18/2022] [Indexed: 11/29/2022]
Abstract
The function of germinal centers (GCs) is an important factor in the pathogenesis of immunoglobulin G4 (IgG4)-related disease, in which inflammatory and fibrotic processes are controlled by type 2 helper T (Th) cells and regulatory T cells. T follicular helper cells (Tfh), which are present in GCs, regulate GC development, and they consist of Tfh1, Tfh2, and Tfh17 subsets. This study examined the association of Th cell subsets in IgG4-RD and pathogenesis of the disease using whole-slide image analysis for immunohistochemistry. IgG4-related sclerosing sialadenitis (IgG4-SS, n = 19) was characterized by higher numbers of Tfh2 and Tfh17 cells than Tfh1 cells compared to the findings in patients with chronic sialadenitis (n = 18) or Sjögren syndrome (n = 17). The number of Tfh2 cells was significantly associated with all parameters of GC structures and the number of IgG4 + plasmacytes, whereas the number of Tfh1 cells was inversely associated with the aforementioned parameters. Concerning extrafollicular helper T (Teh) cells, among three groups, the Tfh2/Teh2 ratio was highest and the Tfh1/Teh1 ratio was lowest in the IgG4-SS group, which exhibited a characteristically regional distribution of Tfh and Teh subsets, especially higher numbers of Teh2 cells and lower numbers of Teh1 cells in the mantle areas surrounding GCs. Mantle Teh2 cells and central Tfh17 cells were significantly correlated with morphological abnormalities of GCs. Our results indicated that the peculiar regional distribution and altered balance of Tfh and Teh subsets are novel hallmarks of IgG4-SS that are associated with GC formation in IgG4-SS.
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Affiliation(s)
- Satomi Kasashima
- Department of Clinical Laboratory Science, Graduate School of Health Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, 920-0942, Japan. .,Department of Pathology, Kanazawa Medical Center, Kanazawa, Japan. .,Department of Clinical Laboratory, Kanazawa Medical Center, Kanazawa, Japan.
| | - Atsuhiro Kawashima
- Department of Pathology, Kanazawa Medical Center, Kanazawa, Japan.,Department of Clinical Laboratory, Kanazawa Medical Center, Kanazawa, Japan
| | - Nozomu Kurose
- Department of Pathology, Kanazawa Medical Center, Kanazawa, Japan.,Department of Clinical Laboratory, Kanazawa Medical Center, Kanazawa, Japan
| | - Satoru Ozaki
- Department of Clinical Laboratory Science, Graduate School of Health Science, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa, 920-0942, Japan
| | - Hiroko Ikeda
- Department of Pathology, Kanazawa University Hospital, Kanazawa, Japan
| | - Kenichi Harada
- Department of Human Pathology, Graduate School of Medicine, Kanazawa University, Kanazawa, Japan
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Orchestration of Immune Cells Contributes to Fibrosis in IgG4-Related Disease. IMMUNO 2022. [DOI: 10.3390/immuno2010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This review summarizes recent progress in understanding the pathogenesis of IgG4-related disease (IgG4-RD), with a focus on fibrosis. Several studies reported that CD4+ T cells with cytotoxic activity promoted by the secretion of granzyme and perforin, cytotoxic CD4+ T cells (CD4+CTLs), and disease-specific activated B cells, infiltrated inflamed tissues and cooperated to induce tissue fibrosis in autoimmune fibrotic diseases such as IgG4-RD, systemic sclerosis, and fibrosing mediastinitis. An accumulation of cells undergoing apoptotic cell death induced by CD4+CTLs and CD8+CTLs followed by macrophage-mediated clearing and finally tissue remodeling driven by cytokines released by CD4+CTLs, activated B cells, and M2 macrophages may contribute to the activation of fibroblasts and collagen production. In IgG4-RD, this process likely involves the apoptosis of non-immune, non-endothelial cells of mesenchymal origin and subsequent tissue remodeling. In summary, CD4+CTLs infiltrate affected tissues where they may cooperate with activated B cells, CD8+CTLs, and M2 macrophages, to induce apoptosis by secreting cytotoxic cytokines. These immune cells also drive fibrosis by secreting pro-fibrotic molecules in IgG4-RD.
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Adam Z, Zeman D, Čermák A, Dastych M, Doubková M, Horváth T, Skorkovská Š, Adamová Z, Řehák Z, Koukalová R, Pour L, Štork M, Krejčí M, Sandecká V, Ševčíková S, Král Z. IgG4-related disease. Clinical manifestation differential diagnosis and recent International Diagnostic Criteria for IgG4-related disease. VNITRNI LEKARSTVI 2022; 68:4-19. [PMID: 36283812 DOI: 10.36290/vnl.2022.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Immunoglobulin G4- related disease (IgG4-RD) is a rare systemic fibro-inflammatory disorder. Autoimmune pancreatitis is the most frequent manifestation of IgG4-RD. However, IgG4-RD can affect any organ such as salivary glands, orbits, retroperitoneum, prostate and many others. Recent research enabled a clear clinical and histopathological description of IgG4-RD and in 2019 four Clinical phenotypes of IgG4-related disease were described. Diagnosis is based on morphological examination with typical findings of lymphoplasmocellular inflammation, storiform fibrosis and obliterative phlebitis in IgG4-RD biopsies and the tissue invading plasma cells largely produce IgG4. Elevated serum IgG4 levels are found in many but not all patients. New diagnostic criteria for IgG4-RD have been published recently in 2019 and 2021. This review summarizes current knowledge on pathophysiology, clinical manifestations, diagnosis and differential diagnosis of IgG4-RD from the point of view 2022 and in next article brings overview of the IgG4-RD therapy.
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