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Ijima S, Saito Y, Yamamoto S, Nagaoka K, Iwamoto T, Kita A, Miyajima M, Sato T, Miyazaki A, Chikenji TS. Senescence-associated secretory phenotypes in mesenchymal cells contribute to cytotoxic immune response in oral lichen planus. Immun Ageing 2023; 20:72. [PMID: 38053160 DOI: 10.1186/s12979-023-00400-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023]
Abstract
Oral lichen planus is a chronic inflammatory condition that adversely affects the oral mucosa; however, its etiology remains elusive. Consequently, therapeutic interventions for oral lichen planus are limited to symptomatic management. This study provides evidence of the accumulation of senescent mesenchymal cells, CD8 + T cells, and natural killer cells in patients with oral lichen planus. We profiled the patients' tissues using the National Center for Biotechnology Information Gene Expression Omnibus database and found that senescence-related genes were upregulated in these tissues by gene set enrichment analysis. Immunohistochemical analysis showed increased senescent mesenchymal cells in the subepithelial layer of patients with oral lichen planus. Single-cell RNA-seq data retrieved from the Gene Expression Omnibus database of patients with oral lichen planus revealed that mesenchymal cells were marked by the upregulation of senescence-related genes. Cell-cell communication analysis using CellChat showed that senescent mesenchymal cells significantly influenced CD8 + T cells and natural killer cells via CXCL12-CXCR4 signaling, which is known to activate and recruit CD8 + T cells and NK cells. Finally, in vitro assays demonstrated that the secretion of senescence-associated factors from mesenchymal cells stimulated the activation of T cells and natural killer cells and promoted epithelial cell senescence and cytotoxicity. These findings suggest that the accumulation of mesenchymal cells with senescence-associated secretory phenotype may be a key driver of oral lichen planus pathogenesis.
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Affiliation(s)
- Shogo Ijima
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Yuki Saito
- Department of Anatomy, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan.
| | - Sena Yamamoto
- Graduate School of Health Sciences, Hokkaido University, Sapporo, 060-0812, Japan
| | - Kentaro Nagaoka
- Department of Anatomy, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Taiki Iwamoto
- Department of Anatomy, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Arisa Kita
- Department of Anatomy, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Maki Miyajima
- Graduate School of Health Sciences, Hokkaido University, Sapporo, 060-0812, Japan
| | - Tsukasa Sato
- Graduate School of Health Sciences, Hokkaido University, Sapporo, 060-0812, Japan
| | - Akihiro Miyazaki
- Department of Oral Surgery, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Takako S Chikenji
- Graduate School of Health Sciences, Hokkaido University, Sapporo, 060-0812, Japan.
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Xu J, Zhang Z, Ren X, Zhang Y, Zhou Y, Lan X, Guo L. In situ photo-crosslinked hydrogel promotes oral mucosal wound healing through sustained delivery of ginsenoside Rg1. Front Bioeng Biotechnol 2023; 11:1252574. [PMID: 37840668 PMCID: PMC10569426 DOI: 10.3389/fbioe.2023.1252574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/15/2023] [Indexed: 10/17/2023] Open
Abstract
Oral mucosal wounds exhibit an increased susceptibility to inflammation as a consequence of their direct exposure to a diverse range of microorganisms. This causes pain, slow healing, and other complications that interfere with patients' daily activities like eating and speaking. Consequently, patients experience a significant decline in their overall quality of life. Therefore, the pursuit of novel treatment approaches is of great importance. In this study, ginsenoside Rg1, a natural active substance extracted from ginseng root, was chosen as a therapeutic agent. It was encapsulated in a screened photo-crosslinked hydrogel scaffold for the treatment of mucosal defects in the rat palate. The results demonstrated that Rg1-hydrogel possessed excellent physical and chemical properties, and that oral mucosa wounds treated with Rg1-hydrogel exhibited the greatest healing performance, as evidenced by more pronounced wound re-epithelialization, increased collagen deposition, and decreased inflammatory infiltration. Subsequent investigations in molecular biology confirmed that Rg1-hydrogel stimulated the secretion of repair-related factors and inhibited the secretion of inflammatory factors. This study demonstrated that the hydrogel containing ginsenoside Rg1 significantly promotes oral mucosal tissue healing in vivo. Based on the findings, it can be inferred that the Rg1-hydrogel has promising prospects for the therapeutic management of oral mucosal wounds.
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Affiliation(s)
- Jie Xu
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Zhenghao Zhang
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Xiaofeng Ren
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Yunan Zhang
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Yang Zhou
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Xiaorong Lan
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
| | - Ling Guo
- Department of Oral Prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Institute of Stomatology, Southwest Medical University, Luzhou, China
- School of Stomatology, Southwest Medical University, Luzhou, China
- Oral and Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou, China
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Sun Y, Chen Y, Wang J, Yuan W, Xue R, Li C, Xia Q, Hu L, Wei Y, He M, Lai K. Intratracheally administered iron oxide nanoparticles induced murine lung inflammation depending on T cells and B cells. Food Chem Toxicol 2023; 175:113735. [PMID: 36935073 DOI: 10.1016/j.fct.2023.113735] [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: 01/10/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/19/2023]
Abstract
Iron oxide nanoparticles (Fe2O3 NPs), produced in track traffic system and a wide range of industrial production, poses a great threat to human health. However, there is little research about the mechanism of Fe2O3 NPs toxicity on respiratory system. Rag1-/- mice which lack functional T and B cells were intratracheally challenged with Fe2O3 NPs, and interleukin (IL)-33 as an activator of group 2 innate lymphoid cells (ILC2s) to observe ILC2s changes. The lung inflammatory response to Fe2O3 NPs was alleviated in Rag1-/- mice compared with wild type (WT) mice. Infiltration of inflammatory cells and collagen deposition in tissue, leukocyte numbers (neutrophils, macrophages and lymphocytes), cytokine levels, such as IL-6, IL-13 and thymic stromal lymphopoietin (TSLP), and expression of Toll-like receptor (TLR)2, TLR4, and downstream myeloid differentiation factor (MyD)88, nuclear factor (NF)-κB and tumor necrosis factor (TNF)-α were decreased in lungs. Fe2O3 NPs markedly elevated ILC2s compared with the control, but ILC2s numbers were much lower compared with IL-33 in both WT and Rag1-/- mice. Furthermore, ILC2s amounts were strongly greater in Rag1-/- mice than WT mice. Our results suggested that Fe2O3 NPs induced sub-chronic pulmonary inflammation, which is majorly dependent on T cells and B cells rather than ILC2s.
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Affiliation(s)
- Yuan Sun
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Yuwei Chen
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Jiawei Wang
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Wenke Yuan
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Rou Xue
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Chao Li
- Division of Pneumoconiosis, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Qing Xia
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Longji Hu
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Yuan Wei
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Miao He
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China.
| | - Kefang Lai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, 510120, China.
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Vičić M, Hlača N, Kaštelan M, Brajac I, Sotošek V, Prpić Massari L. Comprehensive Insight into Lichen Planus Immunopathogenesis. Int J Mol Sci 2023; 24:ijms24033038. [PMID: 36769361 PMCID: PMC9918135 DOI: 10.3390/ijms24033038] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Lichen planus is a chronic disease affecting the skin, appendages, and mucous membranes. A cutaneous lichen planus is a rare disease occurring in less than 1% of the general population, while oral illness is up to five times more prevalent; still, both forms equally impair the patient's quality of life. The etiology of lichen planus is not entirely understood. Yet, immune-mediated mechanisms have been recognized since environmental factors such as hepatitis virus infection, mechanical trauma, psychological stress, or microbiome changes can trigger the disease in genetically susceptible individuals. According to current understanding, lichen planus immunopathogenesis is caused by cell-mediated cytotoxicity, particularly cytotoxic T lymphocytes, whose activity is further influenced by Th1 and IL-23/Th-17 axis. However, other immunocytes and inflammatory pathways complement these mechanisms. This paper presents a comprehensive insight into the actual knowledge about lichen planus, with the causal genetic and environmental factors being discussed, the immunopathogenesis described, and the principal effectors of its inflammatory circuits identified.
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Affiliation(s)
- Marijana Vičić
- Department of Dermatovenereology, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
| | - Nika Hlača
- Department of Dermatovenereology, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
| | - Marija Kaštelan
- Department of Dermatovenereology, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
| | - Ines Brajac
- Department of Dermatovenereology, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
| | - Vlatka Sotošek
- Department of Anesthesiology, Reanimation and Intensive Care, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Tome Strižića 3, 51000 Rijeka, Croatia
| | - Larisa Prpić Massari
- Department of Dermatovenereology, Medical Faculty, University of Rijeka, Clinical Hospital Center Rijeka, Krešimirova 42, 51000 Rijeka, Croatia
- Correspondence:
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