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Qiu M, Tulufu N, Tang G, Ye W, Qi J, Deng L, Li C. Black Phosphorus Accelerates Bone Regeneration Based on Immunoregulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304824. [PMID: 37953457 PMCID: PMC10767454 DOI: 10.1002/advs.202304824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/25/2023] [Indexed: 11/14/2023]
Abstract
A fundamental understanding of inflammation and tissue healing suggests that the precise regulation of the inflammatory phase, both in terms of location and timing, is crucial for bone regeneration. However, achieving the activation of early inflammation without causing chronic inflammation while facilitating quick inflammation regression to promote bone regeneration continues to pose challenges. This study reveals that black phosphorus (BP) accelerates bone regeneration by building an osteogenic immunological microenvironment. BP amplifies the acute pro-inflammatory response and promotes the secretion of anti-inflammatory factors to accelerate inflammation regression and tissue regeneration. Mechanistically, BP creates an osteoimmune-friendly microenvironment by stimulating macrophages to express interleukin 33 (IL-33), amplifying the inflammatory response at an early stage, and promoting the regression of inflammation. In addition, BP-mediated IL-33 expression directly promotes osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), which further facilitates bone repair. To the knowledge, this is the first study to reveal the immunomodulatory potential of BP in bone regeneration through the regulation of both early-stage inflammatory responses and later-stage inflammation resolution, along with the associated molecular mechanisms. This discovery serves as a foundation for the clinical use of BP and is an efficient approach for managing the immune microenvironment during bone regeneration.
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Affiliation(s)
- Minglong Qiu
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Nijiati Tulufu
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Guoqing Tang
- Kunshan Hospital of Traditional Chinese MedicineAffiliated Hospital of Yangzhou University388 Zuchongzhi RoadKunshan CityJiangsu Province215300P. R. China
| | - Wenkai Ye
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Jin Qi
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Lianfu Deng
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Changwei Li
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
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Molecular Basis beyond Interrelated Bone Resorption/Regeneration in Periodontal Diseases: A Concise Review. Int J Mol Sci 2023; 24:ijms24054599. [PMID: 36902030 PMCID: PMC10003253 DOI: 10.3390/ijms24054599] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/19/2023] [Accepted: 02/06/2023] [Indexed: 03/02/2023] Open
Abstract
Periodontitis is the sixth most common chronic inflammatory disease, destroying the tissues supporting the teeth. There are three distinct stages in periodontitis: infection, inflammation, and tissue destruction, where each stage has its own characteristics and hence its line of treatment. Illuminating the underlying mechanisms of alveolar bone loss is vital in the treatment of periodontitis to allow for subsequent reconstruction of the periodontium. Bone cells, including osteoclasts, osteoblasts, and bone marrow stromal cells, classically were thought to control bone destruction in periodontitis. Lately, osteocytes were found to assist in inflammation-related bone remodeling besides being able to initiate physiological bone remodeling. Furthermore, mesenchymal stem cells (MSCs) either transplanted or homed exhibit highly immunosuppressive properties, such as preventing monocytes/hematopoietic precursor differentiation and downregulating excessive release of inflammatory cytokines. In the early stages of bone regeneration, an acute inflammatory response is critical for the recruitment of MSCs, controlling their migration, and their differentiation. Later during bone remodeling, the interaction and balance between proinflammatory and anti-inflammatory cytokines could regulate MSC properties, resulting in either bone formation or bone resorption. This narrative review elaborates on the important interactions between inflammatory stimuli during periodontal diseases, bone cells, MSCs, and subsequent bone regeneration or bone resorption. Understanding these concepts will open up new possibilities for promoting bone regeneration and hindering bone loss caused by periodontal diseases.
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De Martinis M, Ginaldi L, Sirufo MM, Pioggia G, Calapai G, Gangemi S, Mannucci C. Alarmins in Osteoporosis, RAGE, IL-1, and IL-33 Pathways: A Literature Review. MEDICINA (KAUNAS, LITHUANIA) 2020; 56:medicina56030138. [PMID: 32204562 PMCID: PMC7142770 DOI: 10.3390/medicina56030138] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/10/2020] [Accepted: 03/12/2020] [Indexed: 12/13/2022]
Abstract
Alarmins are endogenous mediators released by cells following insults or cell death to alert the host’s innate immune system of a situation of danger or harm. Many of these, such as high-mobility group box-1 and 2 (HMGB1, HMGB2) and S100 (calgranulin proteins), act through RAGE (receptor for advanced glycation end products), whereas the IL-1 and IL-33 cytokines bind the IL-1 receptors type I and II, and the cellular receptor ST2, respectively. The alarmin family and their signal pathways share many similarities of cellular and tissue localization, functions, and involvement in various physiological processes and inflammatory diseases including osteoporosis. The aim of the review was to evaluate the role of alarmins in osteoporosis. A bibliographic search of the published scientific literature regarding the role of alarmins in osteoporosis was organized independently by two researchers in the following scientific databases: Pubmed, Scopus, and Web of Science. The keywords used were combined as follows: “alarmins and osteoporosis”, “RAGE and osteoporosis”, “HMGB1 and osteoporosis”, “IL-1 and osteoporosis”, “IL 33 and osteopororsis”, “S100s protein and osteoporosis”. The information was summarized and organized in the present review. We highlight the emerging roles of alarmins in various bone remodeling processes involved in the onset and development of osteoporosis, as well as their potential role as biomarkers of osteoporosis severity and progression. Findings of the research suggest a potential use of alarmins as pharmacological targets in future therapeutic strategies aimed at preventing bone loss and fragility fractures induced by aging and inflammatory diseases.
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Affiliation(s)
- Massimo De Martinis
- Department of Life, Health, & Environmental Sciences, University of L’Aquila, 6700 L’Aquila, Italy; (M.D.M.); (L.G.); (M.M.S.)
| | - Lia Ginaldi
- Department of Life, Health, & Environmental Sciences, University of L’Aquila, 6700 L’Aquila, Italy; (M.D.M.); (L.G.); (M.M.S.)
| | - Maria Maddalena Sirufo
- Department of Life, Health, & Environmental Sciences, University of L’Aquila, 6700 L’Aquila, Italy; (M.D.M.); (L.G.); (M.M.S.)
| | - Giovanni Pioggia
- National Research Council of Italy (CNR)-Institute for Biomedical Research and Innovation (IRIB), 98164 Messina, Italy;
| | - Gioacchino Calapai
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy;
| | - Sebastiano Gangemi
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, 98125 Messina, Italy;
| | - Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy;
- Correspondence: ; Tel.: +39-090-22-12-697
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De Martinis M, Sirufo MM, Suppa M, Ginaldi L. IL-33/IL-31 Axis in Osteoporosis. Int J Mol Sci 2020; 21:E1239. [PMID: 32069819 PMCID: PMC7072890 DOI: 10.3390/ijms21041239] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/08/2020] [Accepted: 02/11/2020] [Indexed: 12/11/2022] Open
Abstract
The study of the immunoskeletal interface has led to the discovery of numerous cytokines involved in the regulation of bone remodeling, providing valuable information on the pathogenesis of osteoporosis. The role of inflammatory cytokines of the Th1 and Th17 profile in osteoporosis is well known. Here we focus on two newly discovered Th2 cytokines, IL-31 and IL-33, whose implications in osteoporosis are recently emerging. Clinical and experimental observations suggest an important role of the IL-33/IL-31 axis in osteoporosis. IL-33 induces IL-31 secretion by Th2 cells and inhibits RANKL-dependent osteoclastogenesis, thus counteracting bone loss. IL-31 influences Th1/Th17 osteoclastogenetic inflammation and limits Th2 osteoprotective processes, thus favoring osteoporosis. Better knowledge of the role of IL-31 and IL-33 and their receptor complexes in osteoporosis could provide an interesting perspective for the development of new and more effective therapies, possibly with less side effects.
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Affiliation(s)
- Massimo De Martinis
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Maria Maddalena Sirufo
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
| | - Mariano Suppa
- Department of Dermatology, Hôpital Erasme, Université Libre de Bruxelles, 1070 Brussels, Belgium;
| | - Lia Ginaldi
- Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (M.M.S.); (L.G.)
- Allergy and Clinical Immunology Unit, Center for the Diagnosis and Treatment of Osteoporosis, AUSL 04 64100 Teramo, Italy
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IL-33 Inhibits TNF-α-Induced Osteoclastogenesis and Bone Resorption. Int J Mol Sci 2020; 21:ijms21031130. [PMID: 32046264 PMCID: PMC7038169 DOI: 10.3390/ijms21031130] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 02/03/2020] [Accepted: 02/05/2020] [Indexed: 11/17/2022] Open
Abstract
Interleukin (IL)-33 is a member of the IL-1 family, which acts as an alarmin. Several studies suggested that IL-33 inhibited osteoclastogenesis and bone resorption. Tumor necrosis factor-α (TNF-α) is considered a direct inducer of osteoclastogenesis. However, there has been no report regarding the effect of IL-33 on TNF-α-induced osteoclastogenesis and bone resorption. The objective of this study is to investigate the role of IL-33 on TNF-α-induced osteoclastogenesis and bone resorption. In an in vitro analysis of osteoclastogenesis, osteoclast precursors, which were derived from bone marrow cells, were treated with or without IL-33 in the presence of TNF-α. Tartrate-resistant acid phosphatase (TRAP) staining solution was used to assess osteoclast formation. In an in vivo analysis of mouse calvariae, TNF-α with or without IL-33 was subcutaneously administrated into the supracalvarial region of mice daily for 5 days. Histological sections were stained for TRAP, and osteoclast numbers were determined. Using micro-CT reconstruction images, the ratio of bone destruction area on the calvariae was evaluated. The number of TRAP-positive cells induced by TNF-α was significantly decreased with IL-33 in vitro and in vivo. Bone resorption was also reduced. IL-33 inhibited IκB phosphorylation and NF-κB nuclear translocation. These results suggest that IL-33 inhibited TNF-α-induced osteoclastogenesis and bone resorption.
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Abstract
Cytokines and hematopoietic growth factors have traditionally been thought of as regulators of the development and function of immune and blood cells. However, an ever-expanding number of these factors have been discovered to have major effects on bone cells and the development of the skeleton in health and disease (Table 1). In addition, several cytokines have been directly linked to the development of osteoporosis in both animal models and in patients. In order to understand the mechanisms regulating bone cells and how this may be dysregulated in disease states, it is necessary to appreciate the diverse effects that cytokines and inflammation have on osteoblasts, osteoclasts, and bone mass. This chapter provides a broad overview of this topic with extensive references so that, if desired, readers can access specific references to delve into individual topics in greater detail.
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Affiliation(s)
- Joseph Lorenzo
- Departments of Medicine and Orthopaedic Surgery, UConn Health, Farmington, CT, USA.
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Mannucci C, Calapai G, Gangemi S. Commentary: Circulatory pattern of cytokines, adipokines and bone markers in postmenopausal women with low BMD. Front Immunol 2019; 10:2666. [PMID: 31798591 PMCID: PMC6868060 DOI: 10.3389/fimmu.2019.02666] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/28/2019] [Indexed: 12/03/2022] Open
Affiliation(s)
- Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Gioacchino Calapai
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Sebastiano Gangemi
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
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Gegen T, Zhu Y, Sun Q, Hou B. Role of interleukin-33 in the clinical pathogenesis of chronic apical periodontitis. J Int Med Res 2019; 47:3332-3343. [PMID: 31218936 PMCID: PMC6683938 DOI: 10.1177/0300060519854630] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective This study investigated interleukin (IL)-33 expression in chronic apical periodontitis (CAP) lesions and possible relationships with receptor activator of nuclear factor κ-Β ligand (RANKL) and osteoprotegerin (OPG). Methods Inflammatory cell infiltration in CAP lesions and samples of healthy periapical tissue (n = 30 each) was evaluated by hematoxylin and eosin staining. IL-33, RANKL, and OPG expression levels were assessed by immunohistochemistry and real-time PCR. In CAP lesions alone, relationships between mRNA level of IL-33 and mRNA levels of both RANKL and OPG were analyzed by Spearman rank correlation. Results Histological analysis revealed a large number of inflammatory cells in CAP lesions, and immunohistochemistry revealed IL-33-positive cells. There were more IL-33- and RANKL-positive cells in CAP lesions than in healthy periapical tissue, whereas there were fewer OPG-positive cells in CAP lesions than in healthy periapical tissue. In CAP lesions alone, IL-33 mRNA level was negatively correlated with mRNA level of RANKL and positively correlated with mRNA level of OPG. Conclusions IL-33 is highly expressed in CAP lesions, where it is negatively correlated with RANKL and positively correlated with OPG expression. IL-33 may protect against bone resorption via RANKL suppression and OPG induction, and constitutes a potential target for CAP treatment.
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Affiliation(s)
- Tana Gegen
- Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Yanxia Zhu
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Qinnuan Sun
- Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Benxiang Hou
- Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
- Benxiang Hou, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China.
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Ginaldi L, De Martinis M, Saitta S, Sirufo MM, Mannucci C, Casciaro M, Ciccarelli F, Gangemi S. Interleukin-33 serum levels in postmenopausal women with osteoporosis. Sci Rep 2019; 9:3786. [PMID: 30846811 PMCID: PMC6405990 DOI: 10.1038/s41598-019-40212-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 02/07/2019] [Indexed: 11/09/2022] Open
Abstract
There are many cytokines involved in the pathogenesis of osteoporosis. So far IL-33 involvement in osteoporotic patients has not yet been studied. IL-33 is a pro-inflammatory cytokine which mediates several immune functions; its involvement in a wide range of diseases, such as atopic dermatitis, asthma, and rheumatoid arthritis, is now emerging. In view of the crucial role of this cytokine in inflammation and bone remodeling, we measured IL-33 levels in the serum of postmenopausal women with osteoporosis. In 50 postmenopausal osteoporotic patients and 28 healthy postmenopausal control women, serum IL-33 levels were measured by enzyme linked immunosorbent assay. In both patients and controls the bone mineral density (BMD) was measured by double-energy X-ray absorptiometry (DXA). Vitamin D, calcium, alkaline phosphatase (ALP), parathyroid hormone (PTH) serum levels, as well as bone turnover markers, such as C-terminal telopeptide of type 1 collagen (CTX) and N-terminal propeptide of type 1 procollagen (P1NP) were also evaluated. In postmenopausal osteoporotic women IL-33 levels were significantly lower compared to healthy controls (3.53 ± 2.45 vs. 13.72 ± 5.39 pg/ml; P = 0.009) and positively correlated respectively with serum PTH (rho = 0.314; P = 0.026) and P1NP (rho = 0.373; P = 0.011) levels, while a statistically significant inverse correlation was observed between serum IL-33 and CTX levels (rho = -0.455; P = 0.002). Our results thus suggest that IL-33 represents an important bone-protecting cytokine which may be of therapeutic benefit in treating bone resorption.
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Affiliation(s)
- Lia Ginaldi
- School of Allergy and Clinical Immunology, Department of Life, Health & Environmental Sciences, University of L'Aquila and Allergy and Clinical Immunology Unit "Mazzini" Hospital AUSL4, Teramo, Italy
| | - Massimo De Martinis
- School of Allergy and Clinical Immunology, Department of Life, Health & Environmental Sciences, University of L'Aquila and Allergy and Clinical Immunology Unit "Mazzini" Hospital AUSL4, Teramo, Italy.
| | - Salvatore Saitta
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
| | - Maria Maddalena Sirufo
- School of Allergy and Clinical Immunology, Department of Life, Health & Environmental Sciences, University of L'Aquila and Allergy and Clinical Immunology Unit "Mazzini" Hospital AUSL4, Teramo, Italy
| | - Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Marco Casciaro
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
| | - Fedra Ciccarelli
- School of Allergy and Clinical Immunology, Department of Life, Health & Environmental Sciences, University of L'Aquila and Allergy and Clinical Immunology Unit "Mazzini" Hospital AUSL4, Teramo, Italy
| | - Sebastiano Gangemi
- School and Division of Allergy and Clinical Immunology, Department of Experimental Medicine, University of Messina, Messina, Italy
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Kang C, Zhao J, Wang Y, Yang C, Chen J, Zhi L. Relationship of common variants in Interleukin 33 gene with susceptibility and prognosis of osteosarcoma in Han Chinese population. J Cancer 2019; 10:1138-1144. [PMID: 30854122 PMCID: PMC6400670 DOI: 10.7150/jca.29086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 01/04/2019] [Indexed: 12/13/2022] Open
Abstract
Osteosarcoma (OS) is one of the most common malignant bone tumors. Many previous studies have indicated that OS is a complex disease and that its development may be affected by multiple genetic factors, which may contribute to its carcinogenesis. The aim of the present study was to evaluate the relationship of IL-33 with susceptibility and prognosis of OS in Han Chinese individuals. A total of 1,605 study subjects including 507 OS patients and 1,098 controls were recruited. Eighteen SNPs mapped to IL-33 were selected for genotyping. Genetic associations between selected SNPs and OS disease status were evaluated. Survival analyses, including Kaplan-Meier analysis and Cox model fitting for significant SNPs, were performed. The functional consequences of significant SNPs were analyzed using a publicly available database. SNP rs1048274 was identified to be significantly associated with OS disease status (OR=0.75, P=1.53×10-4). Compared to the GA and GG groups, OS patients with the AA genotype of rs1048274 had better survival rate. The hazard ratio of SNP rs1048274 (AA group compared to GG+GA group) was 0.35 (95% confidence interval of 0.25-0.5) following adjustment for several clinical variables. In conclusion, our results suggested that IL-33 may play a key role in the etiology of OS, indicating IL-33 as a potential genetic risk factor of the development and prognosis of OS.
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Affiliation(s)
- Chao Kang
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Jianwu Zhao
- Department of Hand & Foot Microsurgery, the Second Affiliated Hospital of Yanan University, Yulin, China
| | - Yuanchun Wang
- The First Department of Oncology, Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, China
| | - Chenguang Yang
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Jie Chen
- Department of Oncology, Shaanxi Traditional Chinese Medicine Hospital, Xi'an, China
| | - Liqiang Zhi
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
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Macari S, Madeira MFM, Lima ILA, Pereira TSF, Dias GJ, Cirelli JA, de Molon RS, Fukada SY, Szawka RE, Garlet GP, Teixeira MM, Silva TA. ST2 regulates bone loss in a site-dependent and estrogen-dependent manner. J Cell Biochem 2018; 119:8511-8521. [PMID: 30011081 DOI: 10.1002/jcb.27080] [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: 12/20/2017] [Accepted: 04/26/2018] [Indexed: 12/13/2022]
Abstract
Interleukin-33 (IL-33) and its receptor, ST2, are implicated in bone remodeling. The lack of estrogen after menopause results in an accelerated bone loss. Here we investigated the role of ST2 in the bone loss induced by estrogen deficiency. ST2-deficient mice (ST2-/- ) and their littermates (wildtype [WT]) were ovariectomized (OVX), while ovary-intact mice were used as controls. Bone sites were analyzed by microcomputed tomography, histomorphometry, and quantitative real-time polymerase chain reaction (qPCR). Deletion of IL-33 or ST2 resulted in a similar bone loss in the femur and maxilla. Ovariectomy in WT mice caused bone loss in the same areas. The lack of ST2 in OVX mice did not alter bone remodeling in the femur but prevented bone loss in the maxilla. Consistently, ovariectomy increased the IL-33 messenger RNA (mRNA) levels in the maxilla but not in the femur. Under mechanical stimulation, ovariectomy and ST2 deletion independently increased bone remodeling induced by orthodontic tooth movement, which was also associated with a greater number of osteoclasts and a reduced number of osteoblasts in the maxillary bone. ST2-/- OVX mice, however, displayed twice as many osteoblasts as that of WT OVX mice. Ovariectomy and ST2 deletion differently altered the cytokine mRNA levels in the maxilla. Remarkably, interleukin-10 expression was decreased in both WT OVX and ST2-/- mice, and this reduction was completely restored in ST2-/- OVX mice. The results demonstrate that estrogen and IL33/ST2 independently protect against bone loss. However, the ovariectomy-induced bone loss is IL-33/ST2-dependent in the maxilla but not in the femur, indicating a bimodal and site-specific role of ST2 in bone remodeling.
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Affiliation(s)
- Soraia Macari
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Mila F M Madeira
- Department of Microbiology, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Izabella L A Lima
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Thaís S F Pereira
- Faculty of Dentistry, Department of Oral Pathology and Surgery, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - George J Dias
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - Joni A Cirelli
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, São Paulo State University, Araraquara, Brazil
| | - Rafael S de Molon
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, São Paulo State University, Araraquara, Brazil
| | - Sandra Y Fukada
- Department of Physics and Chemistry, School of Pharmaceutical Sciences of Ribeirao Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Raphael E Szawka
- Department of Physiology and Biophysics, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Gustavo P Garlet
- Department of Biological Sciences, School of Dentistry of Bauru, São Paulo University, Bauru, Brazil
| | - Mauro M Teixeira
- Department of Biochemistry and Immunology, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Tarcília A Silva
- Faculty of Dentistry, Department of Oral Pathology and Surgery, Federal University of Minas Gerais, Belo Horizonte, Brazil
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Zhao Y, De Los Santos FG, Wu Z, Liu T, Phan SH. An ST2-dependent role of bone marrow-derived group 2 innate lymphoid cells in pulmonary fibrosis. J Pathol 2018; 245:399-409. [DOI: 10.1002/path.5092] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 04/17/2018] [Accepted: 04/26/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Yuyue Zhao
- Department of Respiratory Medicine, Peking Union Medical College Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
| | | | - Zhe Wu
- Department of Pathology; University of Michigan Medical School; Ann Arbor Michigan USA
| | - Tianju Liu
- Department of Pathology; University of Michigan Medical School; Ann Arbor Michigan USA
| | - Sem H Phan
- Department of Pathology; University of Michigan Medical School; Ann Arbor Michigan USA
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Abstract
When orthodontic patients desire shorter treatment times with aesthetic results and long-term stability, it is important for the orthodontist to understand the potential limitations and problems that may arise during standard and/or technology-assisted accelerated treatment. Bone density plays an important role in facilitating orthodontic tooth movement (OTM), such that reductions in bone density can significantly increase movement velocity. Lifestyle, genetic background, environmental factors, and disease status all can influence a patients' overall health and bone density. In some individuals, these factors may create specific conditions that influence systemic-wide bone metabolism. Both genetic variation and the onset of a bone-related disease can influence systemic bone density and local bone density, such as observed in the mandible and maxilla. These types of localized density changes can affect the rate of OTM and may also influence the risk of unwanted outcomes, i.e., the occurrence of dental external apical root resorption (EARR).
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Affiliation(s)
- Alejandro Iglesias-Linares
- Department of Orthodontics, Complutense University of Madrid, Plaza Ramon y Cajal sn, Phone: +34636705246,
| | - Lorri Ann Morford
- University of Kentucky Center for the Biologic Basis of Oral/Systemic Diseases, 1095 Veterans Administration Drive, HSRB Room 414, Lexington, KY 40536-0305 USA, Phone: 859-323-2595 Fax: 859-257-6566,
| | - James Kennedy Hartsfield
- University of Kentucky Center for the Biologic Basis of Oral/Systemic Diseases, 1095 Veterans Administration Drive, HSRB Room 414, Lexington, KY 40536-0305 USA, Phone: 859-323-0296 Fax: 859-257-6566,
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Heckt T, Keller J, Peters S, Streichert T, Chalaris A, Rose-John S, Mell B, Joe B, Amling M, Schinke T. Parathyroid hormone induces expression and proteolytic processing of Rankl in primary murine osteoblasts. Bone 2016; 92:85-93. [PMID: 27554428 DOI: 10.1016/j.bone.2016.08.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 08/16/2016] [Accepted: 08/18/2016] [Indexed: 01/06/2023]
Abstract
Rankl, the major pro-osteoclastogenic cytokine, is synthesized as a transmembrane protein that can be cleaved by specific endopeptidases to release a soluble form (sRankl). We have previously reported that interleukin-33 (IL-33) induces expression of Tnfsf11, the Rankl-encoding gene, in primary osteoblasts, but we failed to detect sRankl in the medium. Since we also found that PTH treatment caused sRankl release in a similar experimental setting, we directly compared the influence of the two molecules. Here we show that treatment of primary murine osteoblasts with PTH causes sRankl release into the medium, whereas IL-33 only induces Tnfsf11 expression. This difference was not explainable by alternative splicing or by PTH-specific induction of endopeptidases previously shown to facilitate Rankl processing. Since sRankl release after PTH administration was blocked in the presence a broad-spectrum matrix metalloprotease inhibitor, we applied genome-wide expression analyses to identify transcriptional targets of PTH in osteoblasts. We thereby confirmed some of the effects of PTH established in other systems, but additionally identified few PTH-induced genes encoding metalloproteases. By comparing expression of these genes following administration of IL-33, PTH and various other Tnfsf11-inducing molecules, we observed that PTH was the only molecule simultaneously inducing sRankl release and Adamts1 expression. The functional relevance of the putative influence of PTH on Rankl processing was further confirmed in vivo, as we found that daily injection of PTH into wildtype mice did not only increase bone formation, but also osteoclastogenesis and sRankl concentrations in the serum. Taken together, our findings demonstrate that transcriptional effects on Tnfsf11 expression do not generally trigger sRankl release and that PTH has a unique activity to promote the proteolytic processing of Rankl.
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Affiliation(s)
- Timo Heckt
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany
| | - Johannes Keller
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany
| | - Stephanie Peters
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany
| | - Thomas Streichert
- Department of Clinical Chemistry, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany; Department of Clinical Chemistry, University Hospital Cologne, Cologne 50937, Germany
| | - Athena Chalaris
- Biochemical Institute, Christian-Albrechts-University Kiel, Kiel 24098, Germany
| | - Stefan Rose-John
- Biochemical Institute, Christian-Albrechts-University Kiel, Kiel 24098, Germany
| | - Blair Mell
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614-2598, United States; Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614-2598, United States
| | - Bina Joe
- Program in Physiological Genomics, Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614-2598, United States; Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614-2598, United States
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg Eppendorf, Hamburg 20246, Germany.
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15
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Carotid plaque and bone density and microarchitecture in psoriatic arthritis: the correlation with soluble ST2. Sci Rep 2016; 6:32116. [PMID: 27554830 PMCID: PMC4995470 DOI: 10.1038/srep32116] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 08/02/2016] [Indexed: 01/04/2023] Open
Abstract
Psoriatic arthritis (PsA) patients have increased risk of both atherosclerosis and osteoporosis. Previous studies revealed that IL-33/ST2 axis may be related to both conditions; however, these associations were never evaluated in a single patients’ group. Here we explored the association among plasma levels of IL-33 and its decoy receptor soluble ST2 (sST2), carotid plaque determined by ultrasound, and volumetric bone mineral density (vBMD)/microstructure of distal radius measured by high-resolution peripheral quantitative computed tomography (HR-pQCT) in 80 PsA patients (55% male; 53.0 ± 10.1 years). Plasma sST2 levels were significantly higher in 33 (41%) patients with carotid plaques (11.2 ± 4.5 vs 7.7 ± 3.7 ng/ml, P < 0.001). In multivariate analysis, sST2 was an independent explanatory variable associated with carotid plaques (OR = 1.296, 95% CI: [1.091,1.540]; P = 0.003). After adjustment for the osteoporotic risk factors, sST2 was significantly associated with higher cortical porosity (β = 0.184, [0.042,0.325]; P = 0.012) and cortical pore volume (2.247, [0.434,4.060]; P = 0.016); and had a trend to be associated with lower cortical vBMD (−2.918, [−6.111,0.275]; P = 0.073). IL-33 was not associated with carotid plaque or vBMD/microstructure. In conclusion, plasma sST2 levels were independently correlated with both carotid plaque and compromised cortical vBMD/microstructure in PsA patients. IL-33/ST2 axis may be a link between accelerated atherosclerosis and osteoporosis in PsA.
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16
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Athari SK, Poirier E, Biton J, Semerano L, Hervé R, Raffaillac A, Lemeiter D, Herbelin A, Girard JP, Caux F, Boissier MC, Bessis N. Collagen-induced arthritis and imiquimod-induced psoriasis develop independently of interleukin-33. Arthritis Res Ther 2016; 18:143. [PMID: 27317338 PMCID: PMC4912820 DOI: 10.1186/s13075-016-1042-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 06/03/2016] [Indexed: 01/14/2023] Open
Abstract
Background Interleukin (IL)-33 is a dual cytokine with both an alarmin role and a T helper 2 cell (Th2)-like inducing effect. It is involved in the pathogenesis of rheumatoid arthritis (RA) and its models; we recently demonstrated that exogenous IL-33 could inhibit collagen-induced arthritis (CIA) in C57BL/6 mice. However, its pathophysiological role in RA is unclear. Indeed, mice deficient in the IL-33 receptor ST2 show reduced susceptibility to arthritis, and the disease is not modified in IL-33-deficient mice. We examined the immune response in wild-type (WT) and IL-33-deficient mice with CIA. To further understand the role of endogenous IL-33 in inflammatory diseases, we studied its role in a skin psoriasis model. Mice on a C57BL/6 background were deficient in IL-33 but expressed lacZ under the IL-33 promoter. Therefore, IL-33 promotor activity could be analyzed by lacZ detection and IL-33 gene expression was analyzed by X-Gal staining in various mice compartments. Frequencies of CD4+FoxP3+ regulatory T cells (Tregs) and Th1 and Th17 cells were evaluated by flow cytometry in WT and IL-33-/- mice. Bone resorption was studied by evaluating osteoclast activity on a synthetic mineral matrix. Psoriasis-like dermatitis was induced by application of imiquimod to the skin of mice. Results Severity of CIA was similar in IL-33-/- and WT littermates. Joints of IL-33-/- mice with CIA showed IL-33 promotor activity. In mice with CIA, frequencies of Tregs, Th1 and Th17 in the spleen or lymph nodes did not differ between the genotypes; osteoclast activity was higher but not significantly in IL-33-/- than WT mice. Psoriasis development did not differ between the genotypes. Conclusions Despite its expression in the synovium of arthritic mice and normal keratinocytes, IL-33 is not required for CIA development in arthritis or psoriasis. Its absence does not induce a T cell shift toward Th1, Th17 or Treg subpopulations. Altogether, these data and our previous ones, showing that exogenous IL-33 can almost completely inhibit CIA development, suggest that this cytokine is not crucial for development of chronic inflammation. Studies of RA patients are needed to determine whether treatment targeting the IL-33/ST2 axis would be effective.
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Affiliation(s)
- Sara Khaleghparast Athari
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France
| | - Elodie Poirier
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France
| | - Jérôme Biton
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France.,Present address: INSERM UMRS 1138 Equipe 13, Centre de Recherche des Cordeliers, 75006, Paris, France
| | - Luca Semerano
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France.,Assistance Publique-Hôpitaux de Paris, Avicenne Hospital, Rheumatology Department, 93009, Bobigny, France
| | - Roxane Hervé
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France
| | - Aurélie Raffaillac
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France
| | - Delphine Lemeiter
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France
| | - André Herbelin
- INSERM U1082, Pôle Biologie Santé, CHU Poitiers, BP 633, Poitiers, 86022, France
| | - Jean-Philippe Girard
- Institut de Pharmacologie et de Biologie Structurale (IPBS) CNRS-Université de Toulouse III, 31077, Toulouse, France
| | - Frédéric Caux
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France.,Assistance Publique-Hôpitaux de Paris, Avicenne Hospital, Dermatology Department, 93009, Bobigny, France
| | - Marie-Christophe Boissier
- INSERM, UMR 1125, 93017, Bobigny, France.,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France.,Assistance Publique-Hôpitaux de Paris, Avicenne Hospital, Rheumatology Department, 93009, Bobigny, France
| | - Natacha Bessis
- INSERM, UMR 1125, 93017, Bobigny, France. .,Sorbonne Paris Cité Université Paris 13, 74 rue Marcel Cachin, 93000, Bobigny, France.
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17
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Lima ILA, Macari S, Madeira MFM, Rodrigues LFD, Colavite PM, Garlet GP, Soriani FM, Teixeira MM, Fukada SY, Silva TA. Osteoprotective Effects of IL-33/ST2 Link to Osteoclast Apoptosis. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 185:3338-48. [PMID: 26598236 DOI: 10.1016/j.ajpath.2015.08.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 06/24/2015] [Accepted: 08/04/2015] [Indexed: 01/06/2023]
Abstract
The relevance of IL-33 and its receptor ST2 for bone remodeling is not well-defined. Our aim was to assess the role and underlying mechanisms of IL-33/ST2 in mechanically induced bone remodeling. BALB/c (wild type) and ST2 deficient (St2(-/-)) mice were subjected to mechanical loading in alveolar bone. Microtomography, histology, and real-time quantitative PCR were performed to analyze bone parameters, apoptosis and bone cell counts, and expression of bone remodeling markers, respectively. MC3T3-E1 osteoblastic cells and bone marrow cells were used to verify if mechanical force triggered IL-33 and ST2 expression as well as the effects of IL-33 on osteoclast differentiation and activity. Mechanical loading increased the expression of IL-33 and ST2 in alveolar bone in vivo and in osteoblastic cells in vitro. St2(-/-) mice had increased mechanical loading-induced bone resorption, number of osteoclasts, and expression of proresorptive markers. In contrast, St2(-/-) mice exhibited reduced numbers of osteoblasts and apoptotic cells in periodontium and diminished expression of osteoblast signaling molecules. In vitro, IL-33 treatment inhibited osteoclast differentiation and activity even in the presence of receptor activator of NF-κB ligand. IL-33 also increased the expression of pro-apoptotic molecules, including Bcl-2-associated X protein (BAX), cell-surface Fas receptor (FAS), FASL, FAS-associated death domain, tumor necrosis factor-related apoptosis-inducing ligand, and BH3 interacting-domain death (BID). Overall, these findings suggest that IL-33/ST2 have anti-osteoclastogenic effects and reduce osteoclast formation and activity by inducing their apoptosis.
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Affiliation(s)
- Izabella L A Lima
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Soraia Macari
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Mila F M Madeira
- Department of Oral Pathology, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Letícia F D Rodrigues
- Department of Oral Pathology, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Priscila M Colavite
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Gustavo P Garlet
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Frederico M Soriani
- Department of General Biology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Mauro M Teixeira
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Sandra Y Fukada
- School of Medicine of Ribeirao Preto, and the Department of Physics and Chemistry, Faculty of Pharmaceutical Sciences of Ribeirão Preto, São Paulo University, São Paulo, Brazil
| | - Tarcília A Silva
- Department of Oral Pathology, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
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18
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Macari S, Ajay Sharma L, Wyatt A, Knowles P, Szawka R, Garlet G, Grattan D, Dias G, Silva T. Osteoprotective Effects of Estrogen in the Maxillary Bone Depend on ERα. J Dent Res 2016; 95:689-96. [DOI: 10.1177/0022034516633154] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Estrogen deficiency results in disruption of maxillary alveolar bone microarchitecture. Most of the actions of estrogen in long bones occur via estrogen receptor α (ERα). However, the function of ERα in the maxillary bone has not been defined. We aimed to investigate the role and underlying mechanisms of ERα in the physiological and mechanically induced alveolar bone remodeling in female and male mice. Wild-type (WT) and ERα−/− (ERKOα) mice were subjected to mechanically stimulated bone remodeling by inducing orthodontic tooth movement (OTM). The maxillary bone was analyzed using histomorphometric analysis, micro–computed tomography, quantitative polymerase chain reaction, and energy-dispersive spectroscopy. Bone marrow cells (BMCs) from WT and ERKOα mice were tested for their capacity to differentiate into osteoblasts and osteoclasts. Both male and female ERKOα mice exhibited marked reduction of alveolar bone mass and increased OTM. This response was associated with an increased number of osteoclasts and reduced number of apoptotic cells and osteoblasts in the periodontium and alveolar bone. Consistently, ERKOα mice exhibited lower levels of calcium in bone and increased expression of IL-33 (interleukin-33), TNF-α (tumor necrosis factor α), and IL-1β (interleukin-1β) and decreased expression of dentin matrix acidic phosphoprotein and alkaline phosphatase in periodontal tissues. Moreover, the differentiation of osteoclasts and osteoblasts in vitro was significantly higher in BMCs obtained from ERKOα. ERα is required to maintain the microarchitecture of maxillary alveolar bone. This process is linked to bone cell differentiation and apoptosis, as well as local production of inflammatory molecules such as IL-33, TNF-α, and IL-1β.
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Affiliation(s)
- S. Macari
- Department of Oral Pathology and Surgery, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - L. Ajay Sharma
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - A. Wyatt
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - P. Knowles
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - R.E. Szawka
- Department of Physiology and Biophysics, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - G.P. Garlet
- Department of Biological Sciences, School of Dentistry of Bauru, São Paulo University, Bauru, SP, Brazil
| | - D.R. Grattan
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - G.J. Dias
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - T.A. Silva
- Department of Oral Pathology and Surgery, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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19
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Okragly AJ, Hamang MJ, Pena EA, Baker HE, Bullock HA, Lucchesi J, Martin AP, Ma YL, Benschop RJ. Elevated levels of Interleukin (IL)-33 induce bone pathology but absence of IL-33 does not negatively impact normal bone homeostasis. Cytokine 2016; 79:66-73. [PMID: 26771472 DOI: 10.1016/j.cyto.2015.12.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/05/2015] [Accepted: 12/11/2015] [Indexed: 10/22/2022]
Abstract
Interleukin (IL)-33 is a member of the IL-1 family. IL-33 effects are mediated through its receptor, ST2 and IL-1RAcP, and its signaling induces the production of a number of pro-inflammatory mediators, including TNFα, IL-1β, IL-6, and IFN-γ. There are conflicting reports on the role of IL-33 in bone homeostasis, with some demonstrating a bone protective role for IL-33 whilst others show that IL-33 induces inflammatory arthritis with concurrent bone destruction. To better clarify the role IL-33 plays in bone biology in vivo, we studied IL-33 KO mice as well as mice in which the cytokine form of IL-33 was overexpressed. Mid-femur cortical bone mineral density (BMD) and bone strength were similar in the IL-33 KO mice compared to WT animals during the first 8months of life. However, in the absence of IL-33, we observed higher BMD in lumbar vertebrae and distal femur in female mice. In contrast, overexpression of IL-33 resulted in a marked and rapid reduction of bone volume, mineral density and strength. Moreover, this was associated with a robust increase in inflammatory cytokines (including IL-6 and IFN-γ), suggesting the bone pathology could be a direct effect of IL-33 or an indirect effect due to the induction of other mediators. Furthermore, the detrimental bone effects were accompanied by increases in osteoclast number and the bone resorption marker of C-terminal telopeptide collagen-I (CTX-I). Together, these results demonstrate that absence of IL-33 has no negative consequences in normal bone homeostasis while high levels of circulating IL-33 contributes to pathological bone loss.
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Affiliation(s)
- Angela J Okragly
- Biotechnology Discovery Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Matthew J Hamang
- Musculoskeletal-Biology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Emily A Pena
- Musculoskeletal-Biology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Hana E Baker
- Biotechnology Discovery Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Heather A Bullock
- Musculoskeletal-Biology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Jonathan Lucchesi
- Musculoskeletal-Biology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Andrea P Martin
- Biotechnology Discovery Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Y Linda Ma
- Musculoskeletal-Biology, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA
| | - Robert J Benschop
- Biotechnology Discovery Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, USA.
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20
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Shaw AT, Gravallese EM. Mediators of inflammation and bone remodeling in rheumatic disease. Semin Cell Dev Biol 2015; 49:2-10. [PMID: 26481971 DOI: 10.1016/j.semcdb.2015.10.013] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 10/09/2015] [Indexed: 12/17/2022]
Abstract
Remodeling of bone is a continuous process that occurs throughout life. Under normal physiologic conditions, bone-resorbing osteoclasts and bone-forming osteoblasts are tightly coupled and regulated to ensure proper balance, such that there is no net change in bone mass. However, inflammation perturbs normal bone homeostasis. The impact of inflammation on bone is dependent upon the anatomic site affected, cell types, factors and cytokines present in the local microenvironment, and local mechanical forces. Cytokines are central to the pathogenesis of inflammation-induced bone loss and contribute to the uncoupling of osteoclast-mediated bone resorption and osteoblast-mediated bone formation, thereby disrupting normal remodeling. In this review, we will discuss the effects of cytokines on bone in two settings, rheumatoid arthritis and spondyloarthritis, a disease category that includes ankylosing spondylitis, psoriatic arthritis, reactive arthritis, inflammatory bowel disease, and juvenile onset spondyloarthropathy. The outcome for bone in these disease settings is quite different, and an understanding of the pathogenic mechanisms leading to the net impact on bone has been essential in developing new therapeutic approaches to bone health in these diseases.
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Affiliation(s)
- Anita T Shaw
- Department of Medicine, Division of Rheumatology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
| | - Ellen M Gravallese
- Department of Medicine, Division of Rheumatology, University of Massachusetts Medical School, Worcester, MA 01605, USA.
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21
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Palomo J, Dietrich D, Martin P, Palmer G, Gabay C. The interleukin (IL)-1 cytokine family--Balance between agonists and antagonists in inflammatory diseases. Cytokine 2015; 76:25-37. [PMID: 26185894 DOI: 10.1016/j.cyto.2015.06.017] [Citation(s) in RCA: 308] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Accepted: 06/29/2015] [Indexed: 12/14/2022]
Abstract
The interleukin (IL)-1 family of cytokines comprises 11 members, including 7 pro-inflammatory agonists (IL-1α, IL-1β, IL-18, IL-33, IL-36α, IL-36β, IL-36γ) and 4 defined or putative antagonists (IL-1R antagonist (IL-1Ra), IL-36Ra, IL-37, and IL-38) exerting anti-inflammatory activities. Except for IL-1Ra, IL-1 cytokines do not possess a leader sequence and are secreted via an unconventional pathway. In addition, IL-1β and IL-18 are produced as biologically inert pro-peptides that require cleavage by caspase-1 in their N-terminal region to generate active proteins. N-terminal processing is also required for full activity of IL-36 cytokines. The IL-1 receptor (IL-1R) family comprises 10 members and includes cytokine-specific receptors, co-receptors and inhibitory receptors. The signaling IL-1Rs share a common structure with three extracellular immunoglobulin (Ig) domains and an intracellular Toll-like/IL-1R (TIR) domain. IL-1 cytokines bind to their specific receptor, which leads to the recruitment of a co-receptor and intracellular signaling. IL-1 cytokines induce potent inflammatory responses and their activity is tightly controlled at the level of production, protein processing and maturation, receptor binding and post-receptor signaling by naturally occurring inhibitors. Some of these inhibitors are IL-1 family antagonists, while others are IL-1R family members acting as membrane-bound or soluble decoy receptors. An imbalance between agonist and antagonist levels can lead to exaggerated inflammatory responses. Several genetic modifications or mutations associated with dysregulated IL-1 activity and autoinflammatory disorders were identified in mouse models and in patients. These findings paved the road to the successful use of IL-1 inhibitors in diseases that were previously considered as untreatable.
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Affiliation(s)
- Jennifer Palomo
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Damien Dietrich
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Praxedis Martin
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Gaby Palmer
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland
| | - Cem Gabay
- Division of Rheumatology, Departments of Internal Medicine Specialties and of Pathology-Immunology, University of Geneva School of Medicine, Switzerland.
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22
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Kiyomiya H, Ariyoshi W, Okinaga T, Kaneuji T, Mitsugi S, Sakurai T, Habu M, Yoshioka I, Tominaga K, Nishihara T. IL-33 inhibits RANKL-induced osteoclast formation through the regulation of Blimp-1 and IRF-8 expression. Biochem Biophys Res Commun 2015; 460:320-6. [PMID: 25795135 DOI: 10.1016/j.bbrc.2015.03.033] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 03/07/2015] [Indexed: 01/09/2023]
Abstract
Interleukin (IL)-33 is a recently discovered proinflammatory cytokine that belongs to the IL-1 family. Several studies have reported that IL-33 inhibits osteoclast differentiation. However, the mechanism of IL-33 regulation of osteoclastogenesis remains unclear. In the present study, we examined the effect of IL-33 on osteoclast formation in vitro. IL-33 suppressed osteoclast formation in both mouse bone marrow cells and monocyte/macrophage cell line RAW264.7 cells induced by receptor activator of NF-κB ligand (RANKL) and/or macrophage stimulating factor (M-CSF). IL-33 also inhibited the expression of RANKL-induced nuclear factor of activated T-cell cytoplasmic 1 (NFATc1), thereby decreasing the expression of osteoclastogenesis-related marker genes, including Cathepsin K, Osteoclast stimulatory transmembrane protein (Oc-stamp) and Tartrate-resistant acid phosphatase (Trap). Blockage of IL-33-ST2 binding suppressed the IL-33-mediated inhibition of NFATc1. RANKL-induced B-lymphocyte-induced maturation protein-1 (Blimp-1) expression was also suppressed by IL-33, which was followed by the stimulation of anti-osteoclastic genes such as interferon regulatory factor-8 (IRF-8). These results suggest that IL-33-ST2 interactions down-regulate both RANKL-induced NFATc1 activation and osteoclast differentiation via the regulation of Blimp-1 and IRF-8 expression.
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Affiliation(s)
- Hiroyasu Kiyomiya
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan; Division of Oral and Maxillofacial Surgery, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Wataru Ariyoshi
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Toshinori Okinaga
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Takeshi Kaneuji
- Division of Oral Medicine, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Sho Mitsugi
- Division of Oral and Maxillofacial Surgery, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Takuma Sakurai
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan; Division of Oral and Maxillofacial Surgery, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Manabu Habu
- Division of Oral and Maxillofacial Surgery, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Izumi Yoshioka
- Division of Oral Medicine, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Kazuhiro Tominaga
- Division of Oral and Maxillofacial Surgery, Department of Science of Physical Functions, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan
| | - Tatsuji Nishihara
- Division of Infections and Molecular Biology, Department of Health Promotion, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, Fukuoka 803-8580, Japan.
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Eeles DG, Hodge JM, Singh PP, Schuijers JA, Grills BL, Gillespie MT, Myers DE, Quinn JMW. Osteoclast formation elicited by interleukin-33 stimulation is dependent upon the type of osteoclast progenitor. Mol Cell Endocrinol 2015; 399:259-66. [PMID: 25458701 DOI: 10.1016/j.mce.2014.10.014] [Citation(s) in RCA: 9] [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: 06/17/2014] [Revised: 10/03/2014] [Accepted: 10/14/2014] [Indexed: 10/24/2022]
Abstract
Osteoclasts are bone resorbing multinucleated cells (MNCs) derived from macrophage progenitors. IL-33 has been reported to drive osteoclastogenesis independently of receptor activator of NFκB ligand (RANKL) but this remains controversial as later studies did not confirm this. We found IL-33 clearly elicited functional dentine-resorbing osteoclast formation from human adult monocytes. However, monocytes from only 3 of 12 donors responded this way, while all responded to RANKL. Human cord blood-derived progenitors and murine bone marrow macrophages lacked an osteoclastogenic response to IL-33. In RAW264.7 cells, IL-33 elicited NFκB and p38 responses but not NFATc1 signals (suggesting poor osteoclastogenic responses) and formed only mononuclear tartrate-resistant acid phosphatase positive (TRAP(+)) cells. Since TGFβ boosts osteoclastogenesis in RAW264.7 cells we employed an IL-33/TGFβ co-treatment, which resulted in small numbers of MNCs expressing key osteoclast markers TRAP and calcitonin receptors. Thus, IL-33 possesses weak osteoclastogenic activity suggesting pathological significance and, perhaps, explaining previous conflicting reports.
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Affiliation(s)
- Damien G Eeles
- MIMR-PHI Institute of Medical Research, Clayton, VIC, Australia; Department of Human Biosciences, La Trobe University, Bundoora, VIC, Australia
| | - Jason M Hodge
- Barwon Biomedical Research, Department of Medicine, The Geelong Hospital, Geelong, VIC, Australia; School of Medicine, Deakin University, Geelong, VIC, Australia
| | | | | | - Brian L Grills
- Department of Human Biosciences, La Trobe University, Bundoora, VIC, Australia
| | - Matthew T Gillespie
- MIMR-PHI Institute of Medical Research, Clayton, VIC, Australia; Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - Damian E Myers
- Department of Orthopaedics, St Vincent's Hospital, Fitzroy, VIC, Australia; Department of Surgery, St Vincent's Hospital, Fitzroy, VIC, Australia
| | - Julian M W Quinn
- MIMR-PHI Institute of Medical Research, Clayton, VIC, Australia; Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia.
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24
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Araujo-Pires AC, Francisconi CF, Biguetti CC, Cavalla F, Aranha AMF, Letra A, Trombone APF, Faveri M, Silva RM, Garlet GP. Simultaneous analysis of T helper subsets (Th1, Th2, Th9, Th17, Th22, Tfh, Tr1 and Tregs) markers expression in periapical lesions reveals multiple cytokine clusters accountable for lesions activity and inactivity status. J Appl Oral Sci 2014; 22:336-46. [PMID: 25141207 PMCID: PMC4126831 DOI: 10.1590/1678-775720140140] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 05/20/2014] [Indexed: 01/08/2023] Open
Abstract
UNLABELLED Previous studies demonstrate that the balance between pro- and anti-inflammatory mediators determines the stable or progressive nature of periapical granulomas by modulating the balance of the osteoclastogenic factor RANKL and its antagonist OPG. However, the cytokine networks operating in the development of periapical lesions are quite more complex than what the simple pro- versus anti-inflammatory mediators' paradigm suggests. Here we simultaneously investigated the patterns of Th1, Th2, Th9, Th17, Th22, Thf, Tr1 and Tregs cytokines/markers expression in human periapical granulomas. METHODS The expression of TNF-α, IFN-γ, IL-17A, IL23, IL21, IL-33, IL-10, IL-4, IL-9, IL-22, FOXp3 markers (via RealTimePCR array) was accessed in active/progressive (N=40) versus inactive/stable (N=70) periapical granulomas (as determined by RANKL/OPG expression ratio), and also to compare these samples with a panel of control specimens (N=26). A cluster analysis of 13 cytokine levels was performed to examine possible clustering between the cytokines in a total of 110 granulomas. RESULTS The expression of all target cytokines was higher in the granulomas than in control samples. TNF-α, IFN-γ, IL-17A and IL-21 mRNA levels were significantly higher in active granulomas, while in inactive lesions the expression levels of IL-4, IL-9, IL-10, IL-22 and FOXp3 were higher than in active granulomas. Five clusters were identified in inactive lesion groups, being the variance in the expression levels of IL-17, IL-10, FOXp3, IFN-γ, IL-9, IL-33 and IL-4 statistically significant (KW p<0.05). Three clusters were identified in active lesions, being the variance in the expression levels of IL-22, IL-10, IFN-γ, IL-17, IL-33, FOXp3, IL-21 and RANKL statistically significant (KW p<0.05). CONCLUSION There is a clear dichotomy in the profile of cytokine expression in inactive and active periapical lesions. While the widespread cytokine expression seems to be a feature of chronic lesions, hierarchical cluster analysis demonstrates the association of TNF-α, IL-21, IL-17 and IFN-γ with lesions activity, and the association of FOXP3, IL-10, IL-9, IL-4 and IL-22 with lesions inactivity.
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Affiliation(s)
- Ana Claudia Araujo-Pires
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | | | - Claudia Cristina Biguetti
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Franco Cavalla
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Andreza Maria Fabio Aranha
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Ariadne Letra
- Department of Endodontics, School of Dentistry, University of Texas Health Science Center at Houston, Houston, USA
| | | | - Marcelo Faveri
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil
| | - Renato Menezes Silva
- Department of Endodontics, School of Dentistry, University of Texas Health Science Center at Houston, Houston, USA
| | - Gustavo Pompermaier Garlet
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
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25
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Köseoğlu S, Hatipoğlu M, Sağlam M, Enhoş Ş, Esen HH. Interleukin-33 could play an important role in the pathogenesis of periodontitis. J Periodontal Res 2014; 50:525-34. [DOI: 10.1111/jre.12235] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2014] [Indexed: 12/22/2022]
Affiliation(s)
- S. Köseoğlu
- Department of Periodontology; Faculty of Dentistry; İzmir Katip Çelebi University; İzmir Turkey
| | - M. Hatipoğlu
- Department of Periodontology; Faculty of Dentistry; Akdeniz University; Antalya Turkey
| | - M. Sağlam
- Department of Periodontology; Faculty of Dentistry; İzmir Katip Çelebi University; İzmir Turkey
| | - Ş. Enhoş
- Department of Periodontology; Faculty of Dentistry; İzmir Katip Çelebi University; İzmir Turkey
| | - H. H. Esen
- Department of Pathology; School of Medicine; Necmettin Erbakan University; Konya Turkey
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26
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Jiang C, Li Z, Quan H, Xiao L, Zhao J, Jiang C, Wang Y, Liu J, Gou Y, An S, Huang Y, Yu W, Zhang Y, He W, Yi Y, Chen Y, Wang J. Osteoimmunology in orthodontic tooth movement. Oral Dis 2014; 21:694-704. [PMID: 25040955 DOI: 10.1111/odi.12273] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 06/18/2014] [Accepted: 06/26/2014] [Indexed: 02/05/2023]
Abstract
The skeletal and immune systems share a multitude of regulatory molecules, including cytokines, receptors, signaling molecules, and signaling transducers, thereby mutually influencing each other. In recent years, several novel insights have been attained that have enhanced our current understanding of the detailed mechanisms of osteoimmunology. In orthodontic tooth movement, immune responses mediated by periodontal tissue under mechanical force induce the generation of inflammatory responses with consequent alveolar bone resorption, and many regulators are involved in this process. In this review, we take a closer look at the cellular/molecular mechanisms and signaling involved in osteoimmunology and at relevant research progress in the context of the field of orthodontic tooth movement.
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Affiliation(s)
- C Jiang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Z Li
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - H Quan
- Qingdao First Sanatorium of Jinan Military Distract of PLA, Qingdao, Shandong, China
| | - L Xiao
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Zhao
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - C Jiang
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Y Wang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Liu
- Laboratory of Stem Cell Biology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Y Gou
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - S An
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Huang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - W Yu
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Zhang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - W He
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Yi
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Y Chen
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - J Wang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, Sichuan, China.,Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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27
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The physiopathological role of IL-33: new highlights in bone biology and a proposed role in periodontal disease. Mediators Inflamm 2014; 2014:342410. [PMID: 24692848 PMCID: PMC3945897 DOI: 10.1155/2014/342410] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/03/2014] [Accepted: 01/06/2014] [Indexed: 02/07/2023] Open
Abstract
Interleukin-33 (IL-33) is a recently described member of the IL-1 family. IL-33 acts as an alarmin, chemoattractant, and nuclear factor. ST2, a member of the Toll-like receptor/IL-1R superfamily, the receptor of IL-33, triggers a plethora of downstream effectors and leads the activation of NFK-B, leading the expression of several genes. IL-33 and ST2 are expressed in the majority of cell types, and the IL-33/ST2 axis has a role in immune response, bone homeostasis, and osteoclastogenesis. Several studies show opposite roles of IL-33 in osteoclastogenesis and the implication in bone biology. Few works studied the role of IL-33 in periodontal disease, but we hypothesize a possible role of IL-33 in periodontal disease and bone loss.
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28
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Pei C, Barbour M, Fairlie-Clarke KJ, Allan D, Mu R, Jiang HR. Emerging role of interleukin-33 in autoimmune diseases. Immunology 2014; 141:9-17. [PMID: 24116703 DOI: 10.1111/imm.12174] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Revised: 09/20/2013] [Accepted: 09/22/2013] [Indexed: 12/12/2022] Open
Abstract
Interleukin-33 (IL-33) is a member of the IL-1 cytokine family. It predominantly induces type 2 immune responses and thus is protective against atherosclerosis and nematode infections but contributes to allergic airway inflammation. Interleukin-33 also plays a pivotal role in the development of many autoimmune diseases through mechanisms that are still not fully understood. In this review, we focus on the recent advances in understanding of the expression and function of IL-33 in some autoimmune disorders, aiming to provide insight into its potential role in disease development.
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Affiliation(s)
- Cheng Pei
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK; Department of Ophthalmology, First Affiliated Hospital of the Medical College, Xi'an Jiaotong University, Xi'an, China
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29
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Wintges K, Beil FT, Albers J, Jeschke A, Schweizer M, Claass B, Tiegs G, Amling M, Schinke T. Impaired bone formation and increased osteoclastogenesis in mice lacking chemokine (C-C motif) ligand 5 (Ccl5). J Bone Miner Res 2013; 28:2070-80. [PMID: 23553711 DOI: 10.1002/jbmr.1937] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 03/01/2013] [Accepted: 03/12/2013] [Indexed: 01/24/2023]
Abstract
Chemokines play crucial roles in the recruitment of specific hematopoietic cell types, and some of them have been suggested to be involved in the regulation of bone remodeling. Because we have previously observed that chemokine (C-C motif) ligand 2 (Ccl2) and Ccl5 are direct target genes of noncanonical Wnt signaling in osteoblasts, we analyzed the skeletal phenotypes of Ccl2-deficient and Ccl5-deficient mice. In line with previous studies, Ccl2-deficient mice display a moderate reduction of osteoclastogenesis at the age of 6 months. In contrast, 6-month-old Ccl5-deficient mice display osteopenia associated with decreased bone formation and increased osteoclastogenesis. Moreover, unlike in wild-type and Ccl2-deficient mice, large areas of their trabecular and endocortical bone surfaces are not covered by osteoblasts or bone-lining cells, and this is associated with a severe reduction of endosteal bone formation. Although this phenotype diminishes with age, it is important that we could further identify a reduced number of osteal macrophages in 6-month-old Ccl5-deficient mice, because this cell type has previously been reported to promote endosteal bone formation. Because Ccl5-deficient mice also display increased osteoclastogenesis, we finally addressed the question of whether osteal macrophages could differentiate into osteoclasts and/or secrete inhibitors of osteoclastogenesis. For that purpose we isolated these cells by CD11b affinity purification from calvarial cultures and characterized them ex vivo. Here we found that they are unable to differentiate into osteoblasts or osteoclasts, but that their conditioned medium mediates an antiosteoclastogenic effect, possibly caused by interleukin-18 (IL-18), an inhibitor of osteoclastogenesis expressed by osteal macrophages. Taken together, our data provide in vivo evidence supporting the previously suggested role of Ccl5 in bone remodeling. Moreover, to the best of our knowledge, Ccl5-deficient mice represent the first model with a spontaneous partial deficiency of osteal macrophages, a recently identified cell type, whose impact on bone remodeling is just beginning to be understood.
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Affiliation(s)
- Kristofer Wintges
- Department of Osteology and Biomechanics, University Medical Center Eppendorf, Hamburg, Germany
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30
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31
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Zupan J, Jeras M, Marc J. Osteoimmunology and the influence of pro-inflammatory cytokines on osteoclasts. Biochem Med (Zagreb) 2013; 23:43-63. [PMID: 23457765 PMCID: PMC3900089 DOI: 10.11613/bm.2013.007] [Citation(s) in RCA: 116] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bone and immune system are functionally interconnected. Immune and bone cells derive from same progenitors in the bone marrow, they share a common microenvironment and are being influenced by similar mediators. The evidence on increased bone resorption associated with inappropriate activation of T cells such as during inflammation, is well established. However, the molecular mechanisms beyond this clinical observation have begun to be intensively studied with the advancement of osteoimmunology. Now days, we have firm evidence on the influence of numerous proinflammatory cytokines on bone cells, with the majority of data focused on osteoclasts, the bone resorbing cells. It has been shown that some proinflammatory cytokines could possess osteoclastogenic and/or anti-osteoclastogenic properties and can target osteoclasts directly or via receptor activator of nuclear factor κB (RANK)/RANK ligand(RANKL)/osteoprotegerin (OPG) system. Several studies have reported opposing data regarding (anti)osteoclastogenic properties of these cytokines. Therefore, the first part of this review is summarizing current evidence on the influence of pro-inflammatory cytokines on osteoclasts and thus on bone resorption. In the second part, the evidence on the role of pro-inflammatory cytokines in osteoporosis and osteoarthritis is reviewed to show that unravelling the mechanisms beyond such complex bone diseases, is almost impossible without considering skeletal and immune systems as an indivisible integrated system.
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Affiliation(s)
- Janja Zupan
- University of Ljubljana, Faculty of Pharmacy, Department of Clinical Biochemistry, Ljubljana, Slovenia
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32
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Koehne T, Marshall RP, Jeschke A, Kahl-Nieke B, Schinke T, Amling M. Osteopetrosis, osteopetrorickets and hypophosphatemic rickets differentially affect dentin and enamel mineralization. Bone 2013; 53:25-33. [PMID: 23174213 DOI: 10.1016/j.bone.2012.11.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 10/16/2012] [Accepted: 11/13/2012] [Indexed: 01/09/2023]
Abstract
Osteopetrosis (OP) is an inherited disorder of defective bone resorption, which can be accompanied by impaired skeletal mineralization, a phenotype termed osteopetrorickets (OPR). Since individuals with dysfunctional osteoclasts often develop osteomyelitis of the jaw, we have analyzed, if dentin and enamel mineralization are differentially affected in OP and OPR. Therefore, we have applied non-decalcified histology and quantitative backscattered electron imaging (qBEI) to compare the dental phenotypes of Src(-/-), oc/oc and Hyp(-/0) mice, which serve as models for OP, OPR and hypophosphatemic rickets, respectively. While both, Src(-/-) and oc/oc mice, were characterized by defects of molar root formation, only oc/oc mice displayed a severe defect of dentin mineralization, similar to Hyp(-/0) mice. Most importantly, while enamel thickness was not affected in either mouse model, the calcium content within the enamel phase was significantly reduced in oc/oc, but not in Src(-/-) or Hyp(-/0) mice. Taken together, these data demonstrate that dentin and enamel mineralization are differentially affected in Src(-/-) and oc/oc mice. Moreover, since defects of dental mineralization may trigger premature tooth decay and thereby osteomyelitis of the jaw, they further underscore the importance of discriminating between OP and OPR in the respective individuals.
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Affiliation(s)
- Till Koehne
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
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33
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Martin P, Talabot-Ayer D, Seemayer CA, Vigne S, Lamacchia C, Rodriguez E, Finckh A, Smith DE, Gabay C, Palmer G. Disease severity in K/BxN serum transfer-induced arthritis is not affected by IL-33 deficiency. Arthritis Res Ther 2013; 15:R13. [PMID: 23324173 PMCID: PMC3672723 DOI: 10.1186/ar4143] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 01/08/2013] [Indexed: 12/12/2022] Open
Abstract
Introduction Interleukin (IL)-33 is a cytokine of the IL-1 family, which signals through the ST2 receptor. Previous work suggested implication of the IL-33/ST2 axis in the pathogenesis of human and mouse arthritis. Here, we directly investigated the role of endogenous IL-33 in K/BxN serum transfer-induced arthritis by using IL-33 knockout (KO) mice. Methods Arthritis was induced by injection of complete K/BxN serum or purified IgG. Disease severity was monitored by clinical and histological scoring. Results K/BxN serum transfer induced pronounced arthritis with similar incidence and severity in IL-33 KO and wild-type (WT) mice. In contrast, disease development was significantly reduced in ST2 KO mice. IL-33 expression in synovial tissue was comparable in arthritic WT and ST2 KO mice, and absent in IL-33 KO mice. Transfer of purified arthritogenic IgG instead of complete K/BxN serum also resulted in similar arthritis severity in IL-33 KO and WT mice, excluding a contribution of IL-33 contained in the serum of donor mice to explain this result. We investigated additional potential confounding factors, including purity of genetic background, but the mechanisms underlying reduced arthritis in ST2 KO mice remained unclear. Conclusions The data obtained with IL-33 KO mice indicate that endogenous IL-33 is not required for the development of joint inflammation in K/BxN serum transfer-induced arthritis. On the contrary, arthritis severity was reduced in ST2 KO mice. This observation might relate to IL-33 independent effects of ST2, and/or reveal the existence of confounding variables affecting the severity of joint inflammation in these KO strains.
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Abstract
Chronic inflammation including autoimmune disease is an important risk factor for the development of osteoporosis. Receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (M-CSF) play a central role in osteoclast differentiation and function, and the molecular pathways by which M-CSF and RANKL induce osteoclast differentiation have been analyzed in detail. Proinflammatory cytokines directly or indirectly regulate osteoclastogenesis and bone resorption providing a link between inflammation and osteoporosis. Tumor necrosis factor-α, interleukin (IL)-1, IL-6, and IL-17 are the most important proinflammatory cytokines triggering inflammatory bone loss. Inhibition of these cytokines has provided potent therapeutic effects in the treatment of diseases such as rheumatoid arthritis. Further investigation is needed to understand the pathophysiology and to develop new strategies to treat inflammatory bone loss. This review summarizes new data on inflammatory bone loss obtained in 2011.
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Affiliation(s)
- Tobias Braun
- Department of Internal Medicine 3 and Institute for Clinical Immunology, University of Erlangen-Nuremberg, Krankenhausstrasse 12, 91054, Erlangen, Germany
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35
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Abstract
Intercellular communication within the bone microenvironment is critical for the maintenance of normal bone structure. Osteoblast-lineage cells at all stages of differentiation, from pluripotent precursors to matrix-embedded osteocytes, produce regulatory factors that modulate the differentiation and activity of both bone-forming osteoblasts and bone-resorbing osteoclasts. Osteoclasts can also release factors that feed back to regulate osteoblast activity. Intercellular cross-talk within the bone microenvironment is not restricted only to these bone cells. Other cells within the bone marrow microenvironment, including adipocytes, T cells, and macrophages, play key roles that influence the processes of bone formation and resorption. This review discusses recent work that provides new insights into some of these communication networks and the factors involved, including osteocytic production of receptor activator of nuclear factor-κB ligand (RANKL) and sclerostin, osteoblastic production of interleukin-33, osteoclast-derived Semaphorin 4D, ephrin signaling, and signals from T helper cells and resident osteal macrophages (osteomacs).
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Affiliation(s)
- Natalie A Sims
- St. Vincent's Institute of Medical Research and The University of Melbourne, 9 Princes Street, Fitzroy, 3065, Melbourne, Victoria, Australia.
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