1
|
Cavalli S, Lonati PA, Gerosa M, Caporali R, Cimaz R, Chighizola CB. Beyond Systemic Lupus Erythematosus and Anti-Phospholipid Syndrome: The Relevance of Complement From Pathogenesis to Pregnancy Outcome in Other Systemic Rheumatologic Diseases. Front Pharmacol 2022; 13:841785. [PMID: 35242041 PMCID: PMC8886148 DOI: 10.3389/fphar.2022.841785] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/27/2022] [Indexed: 12/17/2022] Open
Abstract
Evidence about the relevance of the complement system, a highly conserved constituent of the innate immunity response that orchestrates the elimination of pathogens and the inflammatory processes, has been recently accumulated in many different rheumatologic conditions. In rheumatoid arthritis, complement, mainly the classical pathway, contributes to tissue damage especially in seropositive subjects, with complement activation occurring in the joint. Data about complement pathways in psoriatic arthritis are dated and poorly consistent; among patients with Sjögren syndrome, hypocomplementemia exerts a prognostic role, identifying patients at risk of extra-glandular manifestations. Hints about complement involvement in systemic sclerosis have been recently raised, following the evidence of complement deposition in affected skin and in renal samples from patients with scleroderma renal crisis. In vasculitides, complement plays a dual role: on one hand, stimulation of neutrophils with anti-neutrophil cytoplasmic antibodies (ANCA) results in the activation of the alternative pathway, on the other, C5a induces translocation of ANCA antigens, favouring the detrimental role of antibodies. Complement deposition in the kidneys identifies patients with more aggressive renal disease; patients with active disease display low serum levels of C3 and C4. Even though in dermatomyositis sC5b-9 deposits are invariably present in affected muscles, data on C3 and C4 fluctuation during disease course are scarce. C3 and C1q serum levels have been explored as potential markers of disease activity in Takayasu arteritis, whereas data in Behçet disease are limited to in vitro observations. Pregnancies in women with rheumatologic conditions are still burdened by a higher rate of pregnancy complications, thus the early identification of women at risk would be invaluable. A fine-tuning of complement activation is required from a physiological progression of pregnancy, from pre-implantation stages, through placentation to labour. Complement deregulation has been implicated in several pregnancy complications, such as recurrent abortion, eclampsia and premature birth; low complement levels have been shown to reliably identify women at risk of complications. Given its physiologic role in orchestrating pregnancy progression and its involvement as pathogenic effector in several rheumatologic conditions, complement system is an attractive candidate biomarker to stratify the obstetric risk among women with rheumatologic conditions.
Collapse
Affiliation(s)
- Silvia Cavalli
- Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy.,Clinical Rheumatology Unit, ASST G. Pini & CTO, Milan, Italy
| | - Paola Adele Lonati
- Experimental Laboratory of Immunorheumatological Researches, IRCCS Istituto Auxologico Italiano, Cusano Milanino, Italy
| | - Maria Gerosa
- Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy.,Clinical Rheumatology Unit, ASST G. Pini & CTO, Milan, Italy
| | - Roberto Caporali
- Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy.,Clinical Rheumatology Unit, ASST G. Pini & CTO, Milan, Italy
| | - Rolando Cimaz
- Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy.,Pediatric Rheumatology Unit, ASST G. Pini & CTO, Milan, Italy
| | - Cecilia Beatrice Chighizola
- Department of Clinical Sciences and Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, University of Milan, Milan, Italy.,Pediatric Rheumatology Unit, ASST G. Pini & CTO, Milan, Italy
| |
Collapse
|
2
|
Wang P, Wu Q, Shuai ZW. Emerging role of ficolins in autoimmune diseases. Pharmacol Res 2021; 163:105266. [PMID: 33127557 DOI: 10.1016/j.phrs.2020.105266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/15/2020] [Accepted: 10/18/2020] [Indexed: 12/22/2022]
Abstract
Ficolins are pattern-recognition molecules (PRMs) that could form complexes with mannose-binding lectin-associated serine proteases (MASPs) to trigger complement activation via the lectin pathway, thereby mediating a series of immune responses including opsonization, phagocytosis and cytokine production. In the past few decades, accumulating evidence have suggested that ficolins play a major role in the onset and development of several autoimmune diseases (ADs), including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), Type 1 diabetes (T1D), inflammatory bowel disease (IBD), etc. In this review, we synthesized previous literatures and recent advances to elucidate the immunological regulations of ficolins and discuss the potential diagnostic ability of ficolins in ADs, as well as giving an insight into the future therapeutic options for ficolins in ADs.
Collapse
Affiliation(s)
- Peng Wang
- Center for Genetic Epidemiology and Genomics, School of Public Health, Soochow University Medical College, 199 Renai Road, Suzhou, Jiangsu, 215123, China.
| | - Qian Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230016, Anhui, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, 81 Meishan Road, Hefei, 230016, Anhui, China
| | - Zong-Wen Shuai
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, 81 Meishan Road, Hefei, 230016, Anhui, China.
| |
Collapse
|
3
|
Vogt S, Trendelenburg M, Tamm M, Stolz D, Hostettler KE, Osthoff M. Local and Systemic Concentrations of Pattern Recognition Receptors of the Lectin Pathway of Complement in a Cohort of Patients With Interstitial Lung Diseases. Front Immunol 2020; 11:562564. [PMID: 33101280 PMCID: PMC7546814 DOI: 10.3389/fimmu.2020.562564] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/31/2020] [Indexed: 11/13/2022] Open
Abstract
Background The role of the lectin pathway of complement in the pathogenesis of interstitial lung diseases (ILDs) is largely unknown. Pattern recognition receptors (PRR) of the lectin pathway are involved in the clearance of apoptotic cells either via activation of the complement system or as direct opsonins. As recent findings suggest a role of apoptosis in the development of pulmonary fibrosis, the influence of plasma lectins has lately been considered in various ILDs, but data on local concentrations in the lungs are lacking. This study investigated the role of mannose-binding lectin (MBL), ficolin-2 and ficolin-3 in ILD patients with a focus on idiopathic pulmonary fibrosis (IPF) and sarcoidosis. Methods A case control study was conducted involving 80 patients with different forms of ILD as well as 40 control patients undergoing routine flexible bronchoscopy with bronchoalveolar lavage (BAL). Plasma and BAL fluid (BALF) levels of MBL, ficolin-2 and ficolin-3 as well as complement split products C4d and C5a (only in BALF) were measured by enzyme-linked immunosorbent assays. Eight single-nucleotide polymorphisms (SNPs) of MBL and ficolin-2 were determined by genotyping and tested for their association with ILDs. Results We included 35, 35, 10, and 40 patients with sarcoidosis, idiopathic pulmonary fibrosis (IPF), other ILD, and a control group, respectively. BALF but not plasma levels of the three PRR were significantly elevated in sarcoidosis patients compared to a control group without ILD (MBL: median 66.8 vs. 24.6 ng/ml, p = 0.02, ficolin-2: 140 vs. 58.8 ng/ml, p = 0.01, ficolin-3: 2523 vs. 1180 ng/ml, p = 0.02), whereas the frequency of the investigated SNPs was similar. In line, complement split products were markedly elevated in BALF of sarcoidosis patients (C4d, median 97.4 vs. 0 ng/ml, p = 0.10; C5a, 23.9 vs. 9.1 ng/ml, p = 0.01). There was a weak positive correlation of BALF ficolin-3 with serum neopterin, a marker of sarcoidosis activity. In IPF patients, we observed numerically higher MBL plasma and BALF levels (plasma, median 1511 vs. 879 ng/ml, p = 0.44; BALF, 37.5 vs. 24.6 ng/ml, p = 0.7) as well as lower ficolin-2 plasma levels (plasma 1111 vs. 1647 ng/ml, p = 0.11). Ficolin-2 plasma levels were inversely correlated with the forced vital capacity (r = 0.55, p = 0.1). Conclusion This is the first study to simultaneously assess systemic and local lectin pathway protein levels in ILD patients. Our data suggest an involvement of PRR of the lectin pathway in the pathogenesis of sarcoidosis given the significantly higher BALF levels compared to a control group. Additional analyses in a larger patient cohort are required to confirm or refute a potential effect of local and/or systemic ficolin-2 levels in IPF patients.
Collapse
Affiliation(s)
- Severin Vogt
- Division of Internal Medicine, University Hospital of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Marten Trendelenburg
- Division of Internal Medicine, University Hospital of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Michael Tamm
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Clinic of Respiratory Medicine, University Hospital of Basel, Basel, Switzerland
| | - Daiana Stolz
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Clinic of Respiratory Medicine, University Hospital of Basel, Basel, Switzerland
| | - Katrin Esther Hostettler
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Clinic of Respiratory Medicine, University Hospital of Basel, Basel, Switzerland
| | - Michael Osthoff
- Division of Internal Medicine, University Hospital of Basel, Basel, Switzerland
- Department of Biomedicine, University of Basel, Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| |
Collapse
|
4
|
Osthoff M, Jaeger VK, Heijnen IAFM, Trendelenburg M, Jordan S, Distler O, Walker UA. Role of lectin pathway complement proteins and genetic variants in organ damage and disease severity of systemic sclerosis: a cross-sectional study. Arthritis Res Ther 2019; 21:76. [PMID: 30885245 PMCID: PMC6423822 DOI: 10.1186/s13075-019-1859-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/05/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The role of the complement system in the pathogenesis of systemic sclerosis (SSc) is controversial. This study investigated the role of the lectin pathway of complement as a mediator of ischemia/reperfusion injury in SSc. METHODS This is a prospective observational cross-sectional study of 211 SSc patients and 29 patients with Raynaud's phenomenon in undifferentiated connective tissue disease (UCTD) at risk of developing SSc from two outpatient clinics. Serum levels of lectin pathway proteins (FCN-2, FCN-3, MBL, and MASP-2) and eight MBL2 and FCN2 single-nucleotide polymorphisms (SNP) were analyzed by sandwich-type immunoassays and genotyping and examined for their association with disease manifestations. RESULTS Lectin pathway protein levels and SNPs were similar between SSc and UCTD patients. FCN-2 levels were however higher in SSc patients with present evidence of digital ulcers (mean 1.4 vs. 1.0 μg/mL, p = 0.05), pitting scars (mean 1.3 vs. 1.0 μg/mL, p = 0.01), and puffy fingers (mean 1.2 vs. 1.0 μg/mL, p = 0.04). Similarly, higher FCN-2 levels were observed in SSc patients with Scl-70 autoantibodies (mean 1.5 vs. 1.0 μg/mL, p = 0.001), interstitial lung disease (mean 1.2 vs. 0.9 μg/mL, p = 0.02), and a forced vital capacity (FVC) below 80% (mean 1.4 vs. 1.0 μg/mL, p = 0.02). In line, variant alleles in the FCN-2 SNP at position + 6359 were associated with a significantly reduced FVC and diffusion capacity. Furthermore, patients with SSc renal crisis harbored higher MBL levels (mean 2.7 vs. 1.5 μg/mL, p = 0.04). No other lectin pathway protein levels or polymorphisms were associated with disease manifestations, low complement C3 and/or C4 levels, or inflammatory markers. CONCLUSIONS This study does not support a relevant role for several lectin pathway complement proteins in the pathogenesis of SSc. Higher FCN-2 levels were however associated with Scl-70 autoantibody positivity, interstitial lung involvement, and digital vasculopathy. Elevated MBL levels were associated with renal crisis.
Collapse
Affiliation(s)
- Michael Osthoff
- Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
- Department of Biomedicine, University Basel, 4031 Basel, Switzerland
| | - Veronika K. Jaeger
- Department of Rheumatology, University Hospital Basel, 4031 Basel, Switzerland
| | - Ingmar A. F. M. Heijnen
- Division of Medical Immunology, Laboratory Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Marten Trendelenburg
- Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
- Department of Biomedicine, University Basel, 4031 Basel, Switzerland
| | - Suzana Jordan
- Department of Rheumatology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Oliver Distler
- Department of Rheumatology, University Hospital Zurich, 8091 Zurich, Switzerland
| | - Ulrich A. Walker
- Department of Rheumatology, University Hospital Basel, 4031 Basel, Switzerland
| |
Collapse
|
5
|
Llombart B, Serra C, Requena C, Alsina M, Morgado-Carrasco D, Través V, Sanmartín O. Guidelines for Diagnosis and Treatment of Cutaneous Sarcomas: Dermatofibrosarcoma Protuberans. ACTAS DERMO-SIFILIOGRAFICAS 2018. [DOI: 10.1016/j.adengl.2018.05.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
|
6
|
Llombart B, Serra C, Requena C, Alsina M, Morgado-Carrasco D, Través V, Sanmartín O. Guidelines for Diagnosis and Treatment of Cutaneous Sarcomas: Dermatofibrosarcoma Protuberans. ACTAS DERMO-SIFILIOGRAFICAS 2018; 109:868-877. [PMID: 30539729 DOI: 10.1016/j.ad.2018.05.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 04/21/2018] [Accepted: 05/23/2018] [Indexed: 12/26/2022] Open
Abstract
Sarcomas comprise a broad group of tumors, many of whose biological behavior and aggressiveness differ from one type to another. The therapeutic approach is generally multidisciplinary and often complex. Developments in surgical and oncological dermatology during the last few decades have positioned dermatologists as specialists in the diagnosis and treatment of skin cancer. The aim of this article is to review the main soft tissue sarcomas that typically affect the skin. Dermatofibrosarcoma protuberans is a low-grade malignant sarcoma. It exhibits slow-growth, is locally invasive, and has low metastatic potential (<3%). Mohs micrographic surgery is the treatment of choice. The COL1A1-PDGFB translocation should be analyzed in cases of unclear diagnosis and when it is necessary to identify candidates for tyrosine kinase inhibitors. Imatinib is indicated for the treatment of locally advanced and metastatic dermatofibrosarcoma protuberans.
Collapse
Affiliation(s)
- B Llombart
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España.
| | - C Serra
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| | - C Requena
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| | - M Alsina
- Servicio de Dermatología, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, España
| | - D Morgado-Carrasco
- Servicio de Dermatología, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, España
| | - V Través
- Servicio de Anatomía Patológica, Instituto Valenciano de Oncología, Valencia, España
| | - O Sanmartín
- Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, España
| |
Collapse
|