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Cai L, Lv Y, Yan Q, Guo W. Cytokines: The links between bone and the immune system. Injury 2024; 55:111203. [PMID: 38043143 DOI: 10.1016/j.injury.2023.111203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 11/05/2023] [Accepted: 11/12/2023] [Indexed: 12/05/2023]
Abstract
Osteoporosis results from an imbalance in a highly balanced physiological process called bone remodeling, in which osteoclast-mediated bone resorption and osteoblast-mediated bone formation play important roles. Osteoimmunology is a newly discovered interdisciplinary research field that focuses on the relationship between bone and the immune system. Specifically, bone and the immune system interact through cytokines, immune cells secrete cytokines, and cytokines finely regulate bone metabolism by mediating the differentiation and activity of osteoclasts and osteoblasts. Therefore, understanding the influence of cytokines on bone metabolism is conducive for the development of novel targeted drugs against immune-related bone diseases. This review summarizes the pathophysiological functions of various common cytokines in bone and discusses the potential clinical value of multiple cytokines in immune-mediated bone diseases.
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Affiliation(s)
- Liping Cai
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin 130021, China; Department of Endocrinology, Rheumatology and Immunology, Anyang People's Hospital, Anyang, Henan 455000, China
| | - You Lv
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Qihui Yan
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Weiying Guo
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, Jilin 130021, China.
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Xu Y, Chu Y, Yang W, Chu K, Li S, Guo L. BML-111 inhibit H 2O 2-induced pyroptosis and osteogenic dysfunction of human periodontal ligament fibroblasts by activating the Nrf2/HO-1 pathway. BMC Oral Health 2024; 24:40. [PMID: 38191432 PMCID: PMC10773113 DOI: 10.1186/s12903-023-03827-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 12/25/2023] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND Periodontitis is a common and harmful chronic inflammatory oral disease, characterized by the destruction of periodontal soft and hard tissues. The NLRP3 inflammasome-related pyroptosis and human periodontal ligament fibroblasts (hPDLFs) osteogenic dysfunction are involved in its pathogenesis. Studies have shown that lipoxin A4 is an endogenous anti-inflammatory mediator and BML-111 is a lipoxin A4 analog, which was found to have potent and durable anti-inflammatory effects in inflammatory diseases, but the mechanism remains unclear. The purpose of this study was to investigate whether BML-111 inhibits H2O2-induced dysfunction of hPDLFs, attenuates inflammatory responses, and identifies the underlying mechanisms. METHODS The oxidative stress model was established with H2O2, and the cell proliferation activity was measured by CCK-8. ALP staining and alizarin red staining were used to detect the osteogenic differentiation capacity of cells; flow cytometry and ELISA were used to detect cell pyroptosis; we explored the effect of BML-111 on hPDLFs under oxidative stress by analyzing the results of PCR and Western blotting. The Nrf2 inhibitor ML385 was added to further identify the target of BML-111 and clarify its mechanism. RESULTS BML-111 can alleviate the impaired cell proliferation viability induced by H2O2. H2O2 treatment can induce NLRP3 inflammasome-related pyroptosis, impairing the osteogenic differentiation capacity of hPDLFs. BML-111 can effectively alleviate H2O2-induced cellular dysfunction by activating the Nrf2/HO-1 signaling pathway. CONCLUSION The results of this study confirmed the beneficial effects of BML-111 on H2O2-induced NLRP3 inflammasome-related pyroptosis in hPDLFs, and BML-111 could effectively attenuate the impaired osteogenic differentiation function. This beneficial effect is achieved by activating the Nrf2/HO-1 signaling pathway, therefore, our results suggest that BML-111 is a potential drug for the treatment of periodontitis.
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Affiliation(s)
- Yao Xu
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- The people's hospital of pengzhou, Chengdu, China
| | - Yi Chu
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Wanrong Yang
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Kefei Chu
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Sihui Li
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China
| | - Ling Guo
- Luzhou Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.
- Department of Oral prosthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou, China.
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Tian Y, Hu Y, Hou X, Tian F. Impacts and mechanisms of PM 2.5 on bone. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 0:reveh-2023-0024. [PMID: 37527559 DOI: 10.1515/reveh-2023-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 06/28/2023] [Indexed: 08/03/2023]
Abstract
Osteoporosis is a metabolic bone disease, which is characterized by a decreased bone mass and deterioration of bone microstructure, resulting in increased bone fragility and a higher risk of fracture. The main pathological process of osteoporosis is the dynamic imbalance between bone absorption and bone formation, which can be caused by various factors such as air pollution. Particulate matter (PM)2.5 refers to the fine particles in the atmosphere, which are small in volume and large in specific surface area. These particles are prone to carrying toxic substances and have negative effects on several extrapulmonary organs, including bones. In this review, we present relevant data from studies, which show that PM2.5 is associated with abnormal bone turnover and osteoporosis. PM2.5 may cause or aggravate bone loss by stimulating an inflammatory response, inducing oxidative damage, reducing estrogen efficiency by competitive binding to estrogen receptors, or endocrine disorder mediated by binding with aromatic hydrocarbon receptors, and affecting the synthesis of vitamin D to reduce calcium absorption. The cellular and molecular mechanisms involved in these processes are also summarized in this review.
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Affiliation(s)
- Yuqing Tian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China
| | - Yunpeng Hu
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China
| | - Xiaoli Hou
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China
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Wu J, Huang H, Yu X. How does Hashimoto's thyroiditis affect bone metabolism? Rev Endocr Metab Disord 2023; 24:191-205. [PMID: 36509987 DOI: 10.1007/s11154-022-09778-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/07/2022] [Indexed: 12/15/2022]
Abstract
Bone marrow contains resident cellular components that are not only involved in bone maintenance but also regulate hematopoiesis and immune responses. The immune system and bone interact with each other, coined osteoimmunology. Hashimoto's thyroiditis (HT) is one of the most common chronic autoimmune diseases which is accompanied by lymphocytic infiltration. It shows elevating thyroid autoantibody levels at an early stage and progresses to thyroid dysfunction ultimately. Different effects exert on bone metabolism during different phases of HT. In this review, we summarized the mechanisms of the long-term effects of HT on bone and the relationship between thyroid autoimmunity and osteoimmunology. For patients with HT, the bone is affected not only by thyroid function and the value of TSH, but also by the setting of the autoimmune background. The autoimmune background implies a breakdown of the mechanisms that control self-reactive system, featuring abnormal immune activation and presence of autoantibodies. The etiology of thyroid autoimmunity and osteoimmunology is complex and involves a number of immune cells, cytokines and chemokines, which regulate the pathogenesis of HT and osteoporosis at the same time, and have potential to affect each other. In addition, vitamin D works as a potent immunomodulator to influence both thyroid immunity and osteoimmunology. We conclude that HT affects bone metabolism at least through endocrine and immune pathways.
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Affiliation(s)
- Jialu Wu
- Laboratory of Endocrinology and Metabolism/Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, 37 Guoxue Lane, 610041, Chengdu, P.R. China
| | - Hui Huang
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, 37 Guoxue Lane, 610041, Chengdu, P.R. China
| | - Xijie Yu
- Laboratory of Endocrinology and Metabolism/Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, 37 Guoxue Lane, 610041, Chengdu, P.R. China.
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Yu X, Wang J, Han Q, Chu W, Lu S, Liu Y, Peng Y, Xu J, Shui Y. Effects of Yunnan Baiyao on the Differentiation of HPDLFs on the Bio-Oss® Collagen Scaffold in vivo. Int J Gen Med 2022; 15:5395-5405. [PMID: 35685694 PMCID: PMC9173728 DOI: 10.2147/ijgm.s359921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/09/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Xiaohong Yu
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Jing Wang
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Qianqian Han
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Wen Chu
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Shaowen Lu
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Yu Liu
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Yi Peng
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Jie Xu
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
| | - Yanqing Shui
- Department of Periodontology, School and Hospital of Stomatology, Kunming Medical University, Yunnan, People’s Republic of China
- Correspondence: Yanqing Shui, Department of Periodontology, Affiliated Stomatology Hospital of Kunming Medical University, Block C, Hecheng International, No. 1088 Haiyuan Middle Road, Wuhua District, Kunming, 650106, Yunnan, People’s Republic of China, Tel +86 15987150210, Email
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