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Kamounah S, Wei F, Park JK, Song YW, Chia D, Wong DTW, Pedersen AML. Seronegative patients with primary Sjögren's syndrome and non-pSS sicca test positive for anti-SSA/Ro52 and -Ro60 in saliva. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167168. [PMID: 38641012 DOI: 10.1016/j.bbadis.2024.167168] [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: 03/05/2024] [Accepted: 04/10/2024] [Indexed: 04/21/2024]
Abstract
OBJECTIVES Testing for anti-SSA/Ro antibodies in serum is essential in the diagnostic work-up for primary Sjögren's syndrome (pSS). In this study, we aimed to validate our previous assay for detection of salivary anti-SSA/Ro52, and to develop assays for detection of salivary anti-SSA/Ro60 and for detection of anti-Ro52 and -Ro60 in plasma using the electric field-induced release and measurement (EFIRM) platform. METHODS Whole saliva samples from two independent Danish cohorts (DN1 and DN2) including 49 patients with pSS, 73 patients with sicca symptoms, but not fulfilling the classification criteria for pSS (non-pSS sicca), and 51 healthy controls (HC), as well as plasma samples from the DN1 cohort were analyzed using EFIRM to detect anti-SSA/Ro52 and -Ro60. RESULTS In the DN1 cohort, 100 % in the pSS group and 16 % in the non-pSS sicca group were serum anti-SSA/Ro positive by ELISA. EFIRM detected anti-SSA (Ro52 and/or -Ro60) in plasma and saliva in 100 % and 96 % patients with pSS, and 16 % and 29 % with non-pSS sicca. In the DN2 cohort, 80 % patients with pSS and 26 % with non-pSS sicca were serum anti-SSA/Ro positive. Salivary anti-SSA discriminated patients with pSS from HC and non-pSS sicca with an AUC range of 0.74-0.96 in the DN1 and DN2 cohorts. EFIRM discriminated pSS from non-pSS sicca with an AUC of 0.98 in plasma. CONCLUSION Our findings suggest that salivary anti-SSA/Ro antibodies are potential discriminatory biomarkers for pSS, which may also identify seronegative patients, addressing the unmet clinical need of early detection and stratification of pSS.
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Affiliation(s)
- Sarah Kamounah
- Center of Oral/Head & Neck Oncology Research, UCLA School of Dentistry, Los Angeles, CA, USA; Department of Odontology, Section of Oral Biology and Immunopathology/Oral Medicine & Pathology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Fang Wei
- Center of Oral/Head & Neck Oncology Research, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Jin Kyun Park
- Division of Rheumatology, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Yeong-Wook Song
- Division of Rheumatology, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - David Chia
- Department of Pathology & Laboratory Medicine, David Geffen UCLA School of Medicine, Los Angeles, CA, USA
| | - David T W Wong
- Center of Oral/Head & Neck Oncology Research, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Anne Marie Lynge Pedersen
- Department of Odontology, Section of Oral Biology and Immunopathology/Oral Medicine & Pathology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Mihai A, Caruntu C, Jurcut C, Blajut FC, Casian M, Opris-Belinski D, Ionescu R, Caruntu A. The Spectrum of Extraglandular Manifestations in Primary Sjögren's Syndrome. J Pers Med 2023; 13:961. [PMID: 37373950 DOI: 10.3390/jpm13060961] [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: 04/30/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Extraglandular manifestations (EGMs) in primary Sjogren's syndrome (pSS) represent the clinical expression of the systemic involvement in this disease. EGMs are characterized by a wide heterogeneity; virtually any organ or system can be affected, with various degrees of dysfunction. The existing gaps of knowledge in this complex domain of extraglandular extension in pSS need to be overcome in order to increase the diagnostic accuracy of EGMs in pSS. The timely identification of EGMs, as early as from subclinical stages, can be facilitated using highly specific biomarkers, thus preventing decompensated disease and severe complications. To date, there is no general consensus on the diagnostic criteria for the wide range of extraglandular involvement in pSS, which associates important underdiagnosing of EGMs, subsequent undertreatment and progression to severe organ dysfunction in these patients. This review article presents the most recent basic and clinical science research conducted to investigate pathogenic mechanisms leading to EGMs in pSS patients. In addition, it presents the current diagnostic and treatment recommendations and the trends for future therapeutic strategies based on personalized treatment, as well as the latest research in the field of diagnostic and prognostic biomarkers for extraglandular involvement in pSS.
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Affiliation(s)
- Ancuta Mihai
- Department of Internal Medicine, Carol Davila Central Military Emergency Hospital, 010825 Bucharest, Romania
- Department of Rheumatology, Faculty of General Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
| | - Constantin Caruntu
- Department of Physiology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Dermatology, Prof. N.C. Paulescu National Institute of Diabetes, Nutrition and Metabolic Diseases, 011233 Bucharest, Romania
| | - Ciprian Jurcut
- Department of Internal Medicine, Carol Davila Central Military Emergency Hospital, 010825 Bucharest, Romania
| | - Florin Cristian Blajut
- Department of General Surgery, Carol Davila Central Military Emergency Hospital, 010825 Bucharest, Romania
- Department of Medical-Surgical Specialties, "Titu Maiorescu" University of Bucharest, 040441 Bucharest, Romania
| | - Mihnea Casian
- Emergency Institute for Cardiovascular Diseases Prof. Dr. C.C. Iliescu, 022328 Bucharest, Romania
- Department of Cardiology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Daniela Opris-Belinski
- Internal Medicine and Rheumatology Department, Sfanta Maria Clinical Hospital, 011172 Bucharest, Romania
- Internal Medicine and Rheumatology Department, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Ruxandra Ionescu
- Internal Medicine and Rheumatology Department, Sfanta Maria Clinical Hospital, 011172 Bucharest, Romania
| | - Ana Caruntu
- Department of Oral and Maxillofacial Surgery, Carol Davila Central Military Emergency Hospital, 010825 Bucharest, Romania
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
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Kamounah S, Sembler-Møller ML, Nielsen CH, Pedersen AML. Sjögren's syndrome: novel insights from proteomics and miRNA expression analysis. Front Immunol 2023; 14:1183195. [PMID: 37275849 PMCID: PMC10232878 DOI: 10.3389/fimmu.2023.1183195] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/09/2023] [Indexed: 06/07/2023] Open
Abstract
Introduction Sjögren's syndrome (SS) is a systemic autoimmune disease, which affects the exocrine glands leading to glandular dysfunction and, particularly, symptoms of oral and ocular dryness. The aetiology of SS remains unclear, and the disease lacks distinctive clinical features. The current diagnostic work-up is complex, invasive and often time-consuming. Thus, there is an emerging need for identifying disease-specific and, ideally, non-invasive immunological and molecular biomarkers that can simplify the diagnostic process, allow stratification of patients, and assist in monitoring the disease course and outcome of therapeutic intervention in SS. Methods This systematic review addresses the use of proteomics and miRNA-expression profile analyses in this regard. Results and discussion Out of 272 papers that were identified and 108 reviewed, a total of 42 papers on proteomics and 23 papers on miRNA analyses in saliva, blood and salivary gland tissue were included in this review. Overall, the proteomic and miRNA studies revealed considerable variations with regard to candidate biomarker proteins and miRNAs, most likely due to variation in sample size, processing and analytical methods, but also reflecting the complexity of SS and patient heterogeneity. However, interesting novel knowledge has emerged and further validation is needed to confirm their potential role as biomarkers in SS.
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Affiliation(s)
- Sarah Kamounah
- Section for Oral Biology and Immunopathology/Oral Medicine, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Maria Lynn Sembler-Møller
- Section for Oral Biology and Immunopathology/Oral Medicine, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Claus Henrik Nielsen
- Section for Oral Biology and Immunopathology/Oral Medicine, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Rheumatology and Spine Diseases, University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Anne Marie Lynge Pedersen
- Section for Oral Biology and Immunopathology/Oral Medicine, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Huang Z, Yang X, Huang Y, Tang Z, Chen Y, Liu H, Huang M, Qing L, Li L, Wang Q, Jie Z, Jin X, Jia B. Saliva - a new opportunity for fluid biopsy. Clin Chem Lab Med 2023; 61:4-32. [PMID: 36285724 DOI: 10.1515/cclm-2022-0793] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/29/2022] [Indexed: 12/15/2022]
Abstract
Saliva is a complex biological fluid with a variety of biomolecules, such as DNA, RNA, proteins, metabolites and microbiota, which can be used for the screening and diagnosis of many diseases. In addition, saliva has the characteristics of simple collection, non-invasive and convenient storage, which gives it the potential to replace blood as a new main body of fluid biopsy, and it is an excellent biological diagnostic fluid. This review integrates recent studies and summarizes the research contents of salivaomics and the research progress of saliva in early diagnosis of oral and systemic diseases. This review aims to explore the value and prospect of saliva diagnosis in clinical application.
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Affiliation(s)
- Zhijie Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Xiaoxia Yang
- Department of Endodontics, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Yisheng Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Zhengming Tang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Yuanxin Chen
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Hongyu Liu
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Mingshu Huang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Ling Qing
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Li Li
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Qin Wang
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
| | - Zhuye Jie
- BGI Genomics, BGI-Shenzhen, Shenzhen, P.R. China
- Shenzhen Key Laboratory of Human Commensal Microorganisms and Health Research, BGI-Shenzhen, Shenzhen, P.R. China
- Laboratory of Genomics and Molecular Biomedicine, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Xin Jin
- BGI Genomics, BGI-Shenzhen, Shenzhen, P.R. China
- School of Medicine, South China University of Technology, Guangzhou, P.R. China
| | - Bo Jia
- Department of Oral Surgery, Stomatological Hospital, Southern Medical University, Guangzhou, P.R. China
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Jung JY, Kim JW, Kim HA, Suh CH. Salivary Biomarkers in Patients with Sjögren's Syndrome-A Systematic Review. Int J Mol Sci 2021; 22:12903. [PMID: 34884709 PMCID: PMC8657642 DOI: 10.3390/ijms222312903] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/24/2021] [Accepted: 11/26/2021] [Indexed: 12/18/2022] Open
Abstract
Sjögren's syndrome (SS) is a chronic autoimmune disease characterized by dry mouth and dry eyes, with lymphocytic infiltration of the exocrine glands. Saliva is becoming a useful tool to determine the clinical and pathological characteristics of SS because the collection method is easy and non-invasive. Since 1900, salivary proteomic analysis has been performed continuously using a variety of optimized analytical methods. Many studies have identified distinct characteristics of salivary proteins in patients with primary SS, and the changes were related to chronic inflammation and overproduction of immunoglobulins or downregulated secretory function. Several proteomic studies using whole or parotid saliva have evaluated whether several salivary proteins can be used to discriminate SS, including salivary β2-microglobulin, calprotectin, carbonic anhydrase VI, neutrophil gelatinase-associated lipocalin, sialic acid-binding immunoglobulin-like lectin-5, and tripartite motif-containing protein 29. In addition, salivary proinflammatory cytokine levels have been reported to be increased in patients with SS. Although these candidate salivary proteins have exhibited considerable differences in patients with SS, more data are needed to confirm their role as biomarkers. Moreover, the identification of salivary characteristics that can accurately reflect disease activity, predict treatment response and prognosis, and diagnose SS is anticipated.
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Affiliation(s)
| | | | | | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea; (J.-Y.J.); (J.-W.K.); (H.-A.K.)
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