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Mieliauskaitė D, Kontenis V, Šiaurys A. Lessons from Animal Models in Sjögren's Syndrome. Int J Mol Sci 2023; 24:12995. [PMID: 37629175 PMCID: PMC10454747 DOI: 10.3390/ijms241612995] [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: 07/24/2023] [Revised: 08/12/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Primary Sjögren's syndrome (pSS) is a connective tissue disease characterized by a wide spectrum of clinical features, extending from a benign glandular disease to an aggressive systemic disorder and/or lymphoma. The pathogenesis of Sjögren's syndrome (SS) is not completely understood, but it is assumed that pathogenesis of SS is multifactorial. The studies based on the animal models of SS provided significant insight in SS disease pathogenesis and management. The aim of this review is to summarize current studies on animal models with primary SS-like symptoms and discuss the impact of these studies on better understanding pathogenesis and management of Sjögren's syndrome. Databases PubMed, Web of Science, Scopus and Cochrane library were searched for summarizing studies on animal models in SS. Available data demonstrate that animal models are highly important for our understanding of SS disease.
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Affiliation(s)
- Diana Mieliauskaitė
- State Research Institute Center for Innovative Medicine, Department of Experimental, Preventive and Clinical Medicine, LT-08406 Vilnius, Lithuania;
| | - Vilius Kontenis
- State Research Institute Center for Innovative Medicine, Department of Experimental, Preventive and Clinical Medicine, LT-08406 Vilnius, Lithuania;
| | - Almantas Šiaurys
- State Research Institute Center for Innovative Medicine, Department of Immunology, LT-08406 Vilnius, Lithuania;
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Chang L, Kong A, Guo Y, Zhang J, Sun Y, Chen P, Wang X. Quercetin ameliorates salivary gland apoptosis and inflammation in primary Sjögren's syndrome through regulation of the leptin/OB-R signaling. Drug Dev Res 2022; 83:1351-1361. [PMID: 35749642 DOI: 10.1002/ddr.21964] [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: 01/17/2022] [Revised: 05/16/2022] [Accepted: 06/02/2022] [Indexed: 11/11/2022]
Abstract
Dry mouth is the main manifestation of Sjögren syndrome (SS). Quercetin has been reported to alleviate radiation-induced salivary gland damage, yet the effect of quercetin on SS-caused salivary gland damage remains unclear. This study aimed to investigate the effects of quercetin on SS-induced salivary gland damage and the mechanism underlying its therapeutic potential in SS. Here, NOD/Ltj mice were used to spontaneously mimic SS-induced salivary gland inflammation in vivo and salivary gland epithelial cells (SGECs) were stimulated by interferon-γ (IFN-γ) to mimic cell inflammation in vitro. Results showed that quercetin significantly reduced loss of saliva flow, salivary gland damage, cell apoptosis, and inflammatory response in NOD/Ltj mice. Quercetin treatment also significantly reduced the increased serum leptin (LP) levels in NOD/Ltj mice. Furthermore, quercetin blocked the increases in the expression of obesity receptor (OB-R) and its downstream Janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) signaling in the salivary glands. In vitro experiments confirmed that quercetin could protect SGECs from IFN-γ-induced cell apoptosis and inflammation through the LP/OB-R-activated JAK2/STAT3 signaling. Hence, quercetin might protect against SS-induced salivary gland damage by relieving cell apoptosis and inflammation by inhibiting the LP/OB-R signaling, providing a new perspective for treating SS-induced dry mouth.
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Affiliation(s)
- Lihua Chang
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Aibin Kong
- Department of Nephropathy and Rheumatology, People's Hospital of Tacheng Prefecture, Tacheng, People's Republic of China
| | - Yun Guo
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Jing Zhang
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Yue Sun
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Penglu Chen
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Xiaofei Wang
- Department of Rheumatology and Immunology, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
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Tian Y, Yang H, Liu N, Li Y, Chen J. Advances in Pathogenesis of Sjögren's Syndrome. J Immunol Res 2021; 2021:5928232. [PMID: 34660815 PMCID: PMC8516582 DOI: 10.1155/2021/5928232] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/01/2021] [Accepted: 09/08/2021] [Indexed: 01/09/2023] Open
Abstract
Sjögren's syndrome (SS) is a chronic autoimmune disease of unknown etiology that mainly involves exocrine glands. Patients present with dry mouth and eyes, fever, arthralgia, and other systemic symptoms. In severe cases, the quality of life of patients is affected. At present, there is no cure for SS, and the treatment options are extremely limited. In recent years, studies of patients and animal models have identified abnormalities of immune cell function and cytokines to be involved in SS. A systematic review of the literature may clarify the etiology and pathogenesis of SS, as well as provide a theoretical basis for the development of new drugs for the treatment of SS.
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Affiliation(s)
- Yao Tian
- Department of Rheumatology and Clinical Immunology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Hongyi Yang
- Department of Rheumatology and Clinical Immunology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Na Liu
- Department of Rheumatology and Clinical Immunology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Yan Li
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Jie Chen
- Department of Science and Techonology, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
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Sowa P, Misiolek M, Orecka B, Czecior E, Adamczyk-Sowa M. Serum levels of selected adipocytokines in benign and malignant parotid gland tumor patients. Cytokine 2018; 106:40-44. [PMID: 29549722 DOI: 10.1016/j.cyto.2018.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 03/04/2018] [Accepted: 03/06/2018] [Indexed: 01/27/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate serum levels of adiponectin, leptin, visfatin and IL-6 in patients with pleomorphic adenoma, Warthin's tumor and acinic cell carcinoma of the parotid gland. MATERIALS AND METHODS Venous blood samples were collected from 30 patients with pleomorphic adenoma, 21 patients with Warthin's tumor and 8 patients with acinic cell carcinoma. Serum adiponectin, leptin, visfatin, IL-6 and CRP concentrations were determined. RESULTS Our results revealed significantly lower adiponectin serum levels in patients with malignant tumors compared to benign tumor individuals. Moreover, in benign cases the level was significantly higher compared to controls. Furthermore, serum leptin concentrations of benign tumor patients were higher compared to controls. Those differences, however, were observed only in males. The serum visfatin level was elevated in all tumor subjects compared to healthy individuals, whereas the serum IL-6 concentration was similar. CONCLUSIONS We anticipate that adiponectin may play a potential protective role in salivary gland tumors. Also leptin and visfatin seem to play an important role in salivary gland tumor pathology, although in males and females leptin may act or be regulated in a different manner. The influence of visfatin on salivary gland tumors is probably independent of IL-6 production.
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Affiliation(s)
- Pawel Sowa
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, Curie-Sklodowskiej 10, 41-800 Zabrze, Poland.
| | - Maciej Misiolek
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, Curie-Sklodowskiej 10, 41-800 Zabrze, Poland
| | - Boguslawa Orecka
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, Curie-Sklodowskiej 10, 41-800 Zabrze, Poland
| | - Eugeniusz Czecior
- Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, Curie-Sklodowskiej 10, 41-800 Zabrze, Poland
| | - Monika Adamczyk-Sowa
- Department of Neurology in Zabrze, Medical University of Silesia in Katowice, 3-go Maja 15, 41-800 Zabrze, Poland
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Navarini L, Margiotta DPE, Vadacca M, Afeltra A. Leptin in autoimmune mechanisms of systemic rheumatic diseases. Cancer Lett 2018; 423:139-146. [PMID: 29548819 DOI: 10.1016/j.canlet.2018.03.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 03/08/2018] [Accepted: 03/08/2018] [Indexed: 12/28/2022]
Abstract
In the last two decades, white adipose tissue (WAT) has been recognized as a key actor of many physiological and pathological conditions. WAT is able to produce mediators, named "adipokines", which may affect systemic homeostasis. In particular, leptin is not only involved in appetite and energy metabolism, but also in immune system. Increasing evidence established that leptin can regulate both innate and adaptive immunity mainly with pro-inflammatory effects but also, to a lesser extent, with anti-inflammatory features. In autoimmune diseases, a failure or breakdown of the mechanisms of self-tolerance is observed. Leptin, which plays an important role in the control of immune balance, has been involved in autoimmunity generation and maintenance. In this review, it has been provided an up-to-date report about the role of leptin in systemic autoimmune diseases, with particular reference to connective tissue diseases, inflammatory arthritis, and vasculitis.
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Affiliation(s)
- Luca Navarini
- Unit of Allergology, Immunology, Rheumatology, Department of Medicine, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
| | - Domenico Paolo Emanuele Margiotta
- Unit of Allergology, Immunology, Rheumatology, Department of Medicine, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy.
| | - Marta Vadacca
- Unit of Allergology, Immunology, Rheumatology, Department of Medicine, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
| | - Antonella Afeltra
- Unit of Allergology, Immunology, Rheumatology, Department of Medicine, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo 21, 00128 Rome, Italy
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Xu T, Xie W, Ma Y, Zhou S, Zhang L, Chen J, Cai M, Sun R, Zhang P, Yu S, Xu Z, Jiang W, Wu M. Leptin/OB-R pathway promotes IL-4 secretion from B lymphocytes and induces salivary gland epithelial cell apoptosis in Sjögren's syndrome. Oncotarget 2017; 8:63417-63429. [PMID: 28969001 PMCID: PMC5609933 DOI: 10.18632/oncotarget.18823] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 06/01/2017] [Indexed: 12/16/2022] Open
Abstract
Sjögren's syndrome (SjS) is a chronic autoimmune epithelitis in which cell apoptosis promotes the formation of inflammatory lesions. We used immunohistochemistry and TUNEL to assay B cell infiltration and apoptosis in salivary gland tissue from 16-week-old NOD/LtJ mice with SjS. In co-cultures of primary salivary glandepithelial cells (SGECs) and spleen B cells, we assessed SGEC viability and apoptosis using CCK8 assays and flow cytometry. ELISAs were employed to assess cytokine levels in culture medium. Leptin protein, leptin receptor (OB-R), pro- and anti-apoptotic proteins, and Jak2/Stat3/ERK signaling molecules were analyzed using western blotting. B cell infiltration and salivary gland apoptosis were increased in salivary tissue from mice with SjS. Leptin treatment had no effect on cell viability or apoptosis among B cells and primary SGECs. B cell and SGEC co-culture systems showed that leptin increased apoptosis induced by B lymphocytes, reduced SGEC cell viability, and promoted IL-4 secretion from B cells. This suggests Leptin/OB-R signaling stimulates B cells-induced SGEC apoptosis via IL-4 secretion and OB-R-Jak2-Stat3 activation.
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Affiliation(s)
- Ting Xu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Wen Xie
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Yingchun Ma
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Shiliang Zhou
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Lu Zhang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Jinyun Chen
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Mingyuan Cai
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Rurong Sun
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Peirong Zhang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Shaobo Yu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Zheng Xu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Wanlan Jiang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
| | - Min Wu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital of Soochow University, Jiangsu, Changzhou 213003, China
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