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Duarte C, Yamada C, Ngala B, Garcia C, Akkaoui J, Birsa M, Ho A, Nusbaum A, AlQallaf H, John V, Movila A. Effects of IL-34 and anti-IL-34 neutralizing mAb on alveolar bone loss in a ligature-induced model of periodontitis. Mol Oral Microbiol 2024; 39:93-102. [PMID: 37902168 PMCID: PMC11058120 DOI: 10.1111/omi.12437] [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: 05/31/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/31/2023]
Abstract
Macrophage colony-stimulating factor (M-CSF) and interleukin-34 (IL-34) are ligands for the colony-stimulating factor-1 receptor (CSF-1r) expressed on the surface of monocyte/macrophage lineage cells. The importance of coordinated signaling between M-CSF/receptor activator of the nuclear factor kappa-Β ligand (RANKL) in physiological and pathological bone remodeling and alveolar bone loss in response to oral bacterial colonization is well established. However, our knowledge about the IL-34/RANKL signaling in periodontal bone loss remains limited. Recently published cohort studies have demonstrated that the expression patterns of IL-34 are dramatically elevated in gingival crevicular fluid collected from patients with periodontitis. Therefore, the present study aims to evaluate the effects of IL-34 on osteoclastogenesis in vitro and in experimental ligature-mediated model of periodontitis using male mice. Our initial in vitro study demonstrated increased RANKL-induced osteoclastogenesis of IL-34-primed osteoclast precursors (OCPs) compared to M-CSF-primed OCPs. Using an experimental model of ligature-mediated periodontitis, we further demonstrated elevated expression of IL-34 in periodontal lesions. In contrast, M-CSF levels were dramatically reduced in these periodontal lesions. Furthermore, local injections of mouse recombinant IL-34 protein significantly elevated cathepsin K activity, increased the number of tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts and promoted alveolar bone loss in periodontitis lesions. In contrast, anti-IL-34 neutralizing monoclonal antibody significantly reduced the level of alveolar bone loss and the number of TRAP-positive osteoclasts in periodontitis lesions. No beneficial effects of locally injected anti-M-CSF neutralizing antibody were observed in periodontal lesions. This study illustrates the role of IL-34 in promoting alveolar bone loss in periodontal lesions and proposes the potential of anti-IL34 monoclonal antibody (mAb)-based therapeutic regimens to suppress alveolar bone loss in periodontitis lesions.
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Affiliation(s)
- Carolina Duarte
- Department of Oral Sciences and Translational Research, College of Dental Medicine, Nova Southeastern University, Davie, FL, USA
- Hussman Institute for Autism, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Chiaki Yamada
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Bidii Ngala
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Christopher Garcia
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Juliet Akkaoui
- Department of Oral Sciences and Translational Research, College of Dental Medicine, Nova Southeastern University, Davie, FL, USA
- School of Medicine, Florida International University, Miami, FL, USA
| | - Maxim Birsa
- Department of Oral Sciences and Translational Research, College of Dental Medicine, Nova Southeastern University, Davie, FL, USA
| | - Anny Ho
- Department of Oral Sciences and Translational Research, College of Dental Medicine, Nova Southeastern University, Davie, FL, USA
| | - Amilia Nusbaum
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Hawra AlQallaf
- Department of Periodontology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Vanchit John
- Department of Periodontology, Indiana University School of Dentistry, Indianapolis, IN, USA
| | - Alexandru Movila
- Department of Oral Sciences and Translational Research, College of Dental Medicine, Nova Southeastern University, Davie, FL, USA
- Department of Biomedical Sciences and Comprehensive Care, Indiana University School of Dentistry, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
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Ko YC, Lee J, Lee D, Seol YJ, Lee YM, Koo KT. Diagnostic performance of a point-of-care test device for periodontitis using human saliva: a single-center, single-blinded, confirmatory study. Clin Oral Investig 2023; 28:27. [PMID: 38147192 DOI: 10.1007/s00784-023-05443-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 12/17/2023] [Indexed: 12/27/2023]
Abstract
OBJECTIVE Recently, matrix metalloproteinase-8 (MMP-8) has been used to diagnose periodontal disease in a point-of-care (POC) test in order to save time and cost relative to the traditional diagnostic workflow. This study aimed to investigate the diagnostic performance of INCLIX TRF MMP-8, a POC testing device for periodontitis using the area under the receiver operating characteristic curve, sensitivity, specificity, and predictive values. MATERIALS AND METHODS Full-mouth periodontal examination and radiographic analysis were used for evaluating periodontal condition based on the 2018 classification of periodontal disease. A dichotomous diagnosis of clinical periodontal condition was performed using the POC device. The relationships among periodontal condition and the concentration of MMP-8, tooth loss (TL), gingival index (GI), plaque index (PI), and alveolar bone loss (ABL) were assessed by the Spearman rank correlations (rs). RESULTS In all, 108 cases of non-periodontitis (NP) and 191 cases of periodontitis (P), including 38 cases of periodontitis stage I, 42 cases of periodontitis stage II, 99 cases of periodontitis stage III, and 11 cases of periodontitis stage IV, were enrolled in this study. Diagnostic accuracy in assessing periodontal condition with the POC device improved when it was used with participants aged ≥ 40 years. There were weak positive correlations between periodontal condition and MMP-8 and between periodontal condition and GI (rs2 = 0.1124 and rs2 = 0.0906, respectively), whereas a strong positive correlation between periodontal condition and alveolar bone loss (rs2 = 0.6877) was observed. CONCLUSION The POC device investigated in this study is a potential tool to distinguish between NP and P in individuals ≥ 40 years of age.
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Affiliation(s)
- Young-Chang Ko
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Jungwon Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
- One-Stop Specialty Center, Seoul National University Dental Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
| | - Dongseob Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
- National Dental Care Center for Persons with Special Needs, Seoul National University Dental Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Yang-Jo Seol
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Yong-Moo Lee
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea
| | - Ki-Tae Koo
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, 101, Daehak-ro, Jongno-gu, Seoul, 03080, Republic of Korea.
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Shang J, Xu Y, Pu S, Sun X, Gao X. Role of IL-34 and its receptors in inflammatory diseases. Cytokine 2023; 171:156348. [PMID: 37683444 DOI: 10.1016/j.cyto.2023.156348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023]
Abstract
In recent years, IL-34 has been widely discussed as a novel cytokine. IL-34 is a pro-inflammatory cytokine binding four distinct receptors, namely CSF-1R, syndecan-1, PTP-ζ and TREM2. Previous studies have shown that IL-34 and its receptors play important roles in the development and progression of various inflammatory diseases. Therefore, IL-34 has the potential to be a biomarker and therapeutic target for inflammatory diseases. However, further study is still needed to identify the specific mechanism through which IL-34 contributes to illness. In this article, we review the recent advances in the biological roles of IL-34 and its receptors as well as their roles in the development and therapeutic application of inflammatory diseases.
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Affiliation(s)
- Jiameng Shang
- The First Affiliated Hospital of Harbin Medical University, People's Republic of China
| | - Yuxin Xu
- The First Affiliated Hospital of Harbin Medical University, People's Republic of China
| | - Shengdan Pu
- The First Affiliated Hospital of Harbin Medical University, People's Republic of China
| | - Xiaotong Sun
- The First Affiliated Hospital of Harbin Medical University, People's Republic of China
| | - Xinyuan Gao
- The First Affiliated Hospital of Harbin Medical University, People's Republic of China.
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Lee JH, Park JB. Exploration of the relationship between periodontal disease and skin disease in honor of Gum Day. J Periodontal Implant Sci 2023; 53:97-98. [PMID: 36973038 PMCID: PMC10133819 DOI: 10.5051/jpis.235302edi01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Affiliation(s)
- Ji Hyun Lee
- Department of Dermatology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jun-Beom Park
- Department of Periodontics, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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