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Wang Y, Luo X, Xiang X, Hao C, Ma D. Roles of bacterial extracellular vesicles in systemic diseases. Front Microbiol 2023; 14:1258860. [PMID: 37840728 PMCID: PMC10569430 DOI: 10.3389/fmicb.2023.1258860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
Accumulating evidence suggests that in various systems, not all bidirectional microbiota-host interactions involve direct cell contact. Bacterial extracellular vesicles (BEVs) may be key participants in this interkingdom crosstalk. BEVs mediate microbiota functions by delivering effector molecules that modulate host signaling pathways, thereby facilitating host-microbe interactions. BEV production during infections by both pathogens and probiotics has been observed in various host tissues. Therefore, these vesicles released by microbiota may have the ability to drive or inhibit disease pathogenesis in different systems within the host. Here, we review the current knowledge of BEVs and particularly emphasize their interactions with the host and the pathogenesis of systemic diseases.
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Affiliation(s)
- Yanzhen Wang
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Xinghong Luo
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaozhen Xiang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Chunbo Hao
- Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Dandan Ma
- Department of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, Guangdong, China
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Wang R, Wang H, Mu J, Yuan H, Pang Y, Wang Y, Du Y, Han F. Molecular events in the jaw vascular unit: A traditional review of the mechanisms involved in inflammatory jaw bone diseases. J Biomed Res 2023; 37:313-325. [PMID: 37226540 PMCID: PMC10541772 DOI: 10.7555/jbr.36.20220266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/28/2023] [Accepted: 03/08/2023] [Indexed: 05/26/2023] Open
Abstract
Inflammatory jaw bone diseases are common in stomatology, including periodontitis, peri-implantitis, medication-related osteonecrosis of the jaw, radiation osteomyelitis of the jaw, age-related osteoporosis, and other specific infections. These diseases may lead to tooth loss and maxillofacial deformities, severely affecting patients' quality of life. Over the years, the reconstruction of jaw bone deficiency caused by inflammatory diseases has emerged as a medical and socioeconomic challenge. Therefore, exploring the pathogenesis of inflammatory diseases associated with jaw bones is crucial for improving prognosis and developing new targeted therapies. Accumulating evidence indicates that the integrated bone formation and dysfunction arise from complex interactions among a network of multiple cell types, including osteoblast-associated cells, immune cells, blood vessels, and lymphatic vessels. However, the role of these different cells in the inflammatory process and the 'rules' with which they interact are still not fully understood. Although many investigations have focused on specific pathological processes and molecular events in inflammatory jaw diseases, few articles offer a perspective of integration. Here, we review the changes and mechanisms of various cell types in inflammatory jaw diseases, with the hope of providing insights to drive future research in this field.
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Affiliation(s)
- Ruyu Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
| | - Haoran Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
| | - Junyu Mu
- International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Hua Yuan
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
| | - Yongchu Pang
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
- Department of Orthodontics, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yuli Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
| | - Yifei Du
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, Jiangsu 210029, China
| | - Feng Han
- International Joint Laboratory for Drug Target of Critical Illnesses, Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
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Li SD, Xing W, Wang SC, Li YB, Jiang H, Zheng HX, Li XM, Yang J, Guo DB, Xie XY, Jiang RQ, Fan C, Li L, Xu X, Fei J. Fibulin2: a negative regulator of BMSC osteogenic differentiation in infected bone fracture healing. Exp Mol Med 2023; 55:443-456. [PMID: 36797542 PMCID: PMC9981700 DOI: 10.1038/s12276-023-00942-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/26/2022] [Accepted: 12/02/2022] [Indexed: 02/18/2023] Open
Abstract
Bone fracture remains a common occurrence, with a population-weighted incidence of approximately 3.21 per 1000. In addition, approximately 2% to 50% of patients with skeletal fractures will develop an infection, one of the causes of disordered bone healing. Dysfunction of bone marrow mesenchymal stem cells (BMSCs) plays a key role in disordered bone repair. However, the specific mechanisms underlying BMSC dysfunction caused by bone infection are largely unknown. In this study, we discovered that Fibulin2 expression was upregulated in infected bone tissues and that BMSCs were the source of infection-induced Fibulin2. Importantly, Fibulin2 knockout accelerated mineralized bone formation during skeletal development and inhibited inflammatory bone resorption. We demonstrated that Fibulin2 suppressed BMSC osteogenic differentiation by binding to Notch2 and inactivating the Notch2 signaling pathway. Moreover, Fibulin2 knockdown restored Notch2 pathway activation and promoted BMSC osteogenesis; these outcomes were abolished by DAPT, a Notch inhibitor. Furthermore, transplanted Fibulin2 knockdown BMSCs displayed better bone repair potential in vivo. Altogether, Fibulin2 is a negative regulator of BMSC osteogenic differentiation that inhibits osteogenesis by inactivating the Notch2 signaling pathway in infected bone.
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Affiliation(s)
- Shi-Dan Li
- Department of Orthopaedics, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Wei Xing
- Department of Stem Cell and Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Shao-Chuan Wang
- Department of Orthopaedics, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - You-Bin Li
- Department of Orthopaedics, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Hao Jiang
- Department of Orthopaedics, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, People's Republic of China
| | - Han-Xuan Zheng
- Department of Nursing, Montreal Neurological Hospital, 3801 Rue University, Montréal, QC H3A 2B4, Canada
| | - Xiao-Ming Li
- Department of Military Traffic Injury Prevention, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Jing Yang
- Department of Emergency, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - De-Bin Guo
- Department of Emergency, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Xiao-Yu Xie
- Department of Orthopaedics, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Ren-Qing Jiang
- Department for Combat Casualty Care Training, Training Base for Army Health Care, Third Military Medical University, Chongqing, 400042, People's Republic of China
| | - Chao Fan
- Medical Research Center, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Southwest Jiaotong University, Chengdu, 610031, People's Republic of China
| | - Lei Li
- Department of Stem Cell and Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China
| | - Xiang Xu
- Department of Stem Cell and Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China.
| | - Jun Fei
- Department of Emergency, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, People's Republic of China.
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Porsch EA, Hernandez KA, Morreale DP, Montoya NR, Yount TA, St Geme JW. Pathogenic determinants of Kingella kingae disease. Front Pediatr 2022; 10:1018054. [PMID: 36304526 PMCID: PMC9592894 DOI: 10.3389/fped.2022.1018054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/16/2022] [Indexed: 01/18/2023] Open
Abstract
Kingella kingae is an emerging pediatric pathogen and is increasingly recognized as a leading etiology of septic arthritis, osteomyelitis, and bacteremia and an occasional cause of endocarditis in young children. The pathogenesis of K. kingae disease begins with colonization of the upper respiratory tract followed by breach of the respiratory epithelial barrier and hematogenous spread to distant sites of infection, primarily the joints, bones, and endocardium. As recognition of K. kingae as a pathogen has increased, interest in defining the molecular determinants of K. kingae pathogenicity has grown. This effort has identified numerous bacterial surface factors that likely play key roles in the pathogenic process of K. kingae disease, including type IV pili and the Knh trimeric autotransporter (adherence to the host), a potent RTX-family toxin (epithelial barrier breach), and multiple surface polysaccharides (complement and neutrophil resistance). Herein, we review the current state of knowledge of each of these factors, providing insights into potential approaches to the prevention and/or treatment of K. kingae disease.
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Affiliation(s)
- Eric A Porsch
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Kevin A Hernandez
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Daniel P Morreale
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Nina R Montoya
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Taylor A Yount
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Joseph W St Geme
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, United States.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
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