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Kobayashi H, Terkawi MA, Ota M, Hasegawa T, Yamamoto T, Shimizu T, Sato D, Fujita R, Murakami T, Amizuka N, Iwasaki N, Takahata M. Involvement of Siglec-15 in regulating RAP1/RAC signaling in cytoskeletal remodeling in osteoclasts mediated by macrophage colony-stimulating factor. Bone Res 2024; 12:35. [PMID: 38849345 PMCID: PMC11161467 DOI: 10.1038/s41413-024-00340-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: 12/19/2022] [Revised: 04/12/2024] [Accepted: 04/28/2024] [Indexed: 06/09/2024] Open
Abstract
DNAX-associated protein 12 kD size (DAP12) is a dominant immunoreceptor tyrosine-based activation motif (ITAM)-signaling adaptor that activates costimulatory signals essential for osteoclastogenesis. Although several DAP12-associated receptors (DARs) have been identified in osteoclasts, including triggering receptor expressed on myeloid cells 2 (TREM-2), C-type lectin member 5 A (CLEC5A), and sialic acid-binding Ig-like lectin (Siglec)-15, their precise role in the development of osteoclasts and bone remodeling remain poorly understood. In this study, mice deficient in Trem-2, Clec5a, Siglec-15 were generated. In addition, mice double deficient in these DAR genes and FcεRI gamma chain (FcR)γ, an alternative ITAM adaptor to DAP12, were generated. Bone mass analysis was conducted on all mice. Notably, Siglec-15 deficient mice and Siglec-15/FcRγ double deficient mice exhibited mild and severe osteopetrosis respectively. In contrast, other DAR deficient mice showed normal bone phenotype. Likewise, osteoclasts from Siglec-15 deficient mice failed to form an actin ring, suggesting that Siglec-15 promotes bone resorption principally by modulating the cytoskeletal organization of osteoclasts. Furthermore, biochemical analysis revealed that Sigelc-15 activates macrophage colony-stimulating factor (M-CSF)-induced Ras-associated protein-1 (RAP1)/Ras-related C3 botulinum toxin substrate 1 (Rac1) pathway through formation of a complex with p130CAS and CrkII, leading to cytoskeletal remodeling of osteoclasts. Our data provide genetic and biochemical evidence that Siglec-15 facilitates M-CSF-induced cytoskeletal remodeling of the osteoclasts.
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Affiliation(s)
- Hideyuki Kobayashi
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - M Alaa Terkawi
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Masahiro Ota
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Tomoka Hasegawa
- Department of Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Tomomaya Yamamoto
- Department of Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Shimizu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Dai Sato
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Ryo Fujita
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Toshifumi Murakami
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Norio Amizuka
- Department of Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, 060-8638, Japan.
- Department of Orthopaedic Surgery, Dokkyo Medical University, Mibu Shimotsuga, 321-0293, Japan.
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2
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Zhang X, Yang Z, Zhang D, Bai M. The role of Semaphorin 3A in oral diseases. Oral Dis 2024; 30:1887-1896. [PMID: 37771213 DOI: 10.1111/odi.14748] [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: 04/12/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/30/2023]
Abstract
Semaphorin 3A (SEMA3A), also referred to as H-Sema III, is a molecule with significant biological importance in regulating physiological and pathological processes. However, its role in oral diseases, particularly its association with inflammatory immunity and alveolar bone remodeling defects, remains poorly understood. This comprehensive review article aims to elucidate the recent advances in understanding SEMA3A in the oral system, encompassing nerve formation, periodontitis, pulpitis, apical periodontitis, and oral squamous cell carcinoma. Notably, we explore its novel function in inflammatory immunomodulation and alveolar bone formation during oral infectious diseases. By doing so, this review enhances our comprehension of SEMA3A's role in oral biology and opens up possibilities for modulatory approaches and potential treatments in oral diseases.
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Affiliation(s)
- Xinyue Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Zhenqi Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Demao Zhang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Mingru Bai
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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3
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Xie G, Huang C, Jiang S, Li H, Gao Y, Zhang T, Zhang Q, Pavel V, Rahmati M, Li Y. Smoking and osteoimmunology: Understanding the interplay between bone metabolism and immune homeostasis. J Orthop Translat 2024; 46:33-45. [PMID: 38765605 PMCID: PMC11101877 DOI: 10.1016/j.jot.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/07/2024] [Accepted: 04/10/2024] [Indexed: 05/22/2024] Open
Abstract
Smoking continues to pose a global threat to morbidity and mortality in populations. The detrimental impact of smoking on health and disease includes bone destruction and immune disruption in various diseases. Osteoimmunology, which explores the communication between bone metabolism and immune homeostasis, aims to reveal the interaction between the osteoimmune systems in disease development. Smoking impairs the differentiation of mesenchymal stem cells and osteoblasts in bone formation while promoting osteoclast differentiation in bone resorption. Furthermore, smoking stimulates the Th17 response to increase inflammatory and osteoclastogenic cytokines that promote the receptor activator of NF-κB ligand (RANKL) signaling in osteoclasts, thus exacerbating bone destruction in periodontitis and rheumatoid arthritis. The pro-inflammatory role of smoking is also evident in delayed bone fracture healing and osteoarthritis development. The osteoimmunological therapies are promising in treating periodontitis and rheumatoid arthritis, but further research is still required to block the smoking-induced aggravation in these diseases. Translational potential This review summarizes the adverse effect of smoking on mesenchymal stem cells, osteoblasts, and osteoclasts and elucidates the smoking-induced exacerbation of periodontitis, rheumatoid arthritis, bone fracture healing, and osteoarthritis from an osteoimmune perspective. We also propose the therapeutic potential of osteoimmunological therapies for bone destruction aggravated by smoking.
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Affiliation(s)
- Guangyang Xie
- Deparment of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Cheng Huang
- Department of Orthopeadics, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Shide Jiang
- The Central Hospital of Yongzhou, Yongzhou, 425000, China
| | - Hengzhen Li
- Deparment of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Yihan Gao
- Deparment of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha 410083, Hunan, China
| | - Tingwei Zhang
- Department of Orthopaedics, Wendeng Zhenggu Hospital of Shandong Province, Weihai, 264400, China
| | - Qidong Zhang
- Department of Orthopeadics, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Volotovski Pavel
- Republican Scientific and Practical Center of Traumatology and Orthopedics, Minsk 220024, Belarus
| | - Masoud Rahmati
- Department of Physical Education and Sport Sciences, Faculty of Literature and Human Sciences, Lorestan University, Khoramabad, Iran
- Department of Physical Education and Sport Sciences, Faculty of Literature and Humanities, Vali-E-Asr University of Rafsanjan, Rafsanjan, Iran
| | - Yusheng Li
- Deparment of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
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Kumar S, Acharya TK, Kumar S, Rokade TP, Das NK, Chawla S, Goswami L, Goswami C. TRPV4 Activator-Containing CMT-Hy Hydrogel Enhances Bone Tissue Regeneration In Vivo by Enhancing Mitochondrial Health. ACS Biomater Sci Eng 2024; 10:2367-2384. [PMID: 38470969 DOI: 10.1021/acsbiomaterials.3c01304] [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] [Indexed: 03/14/2024]
Abstract
Treating different types of bone defects is difficult, complicated, time-consuming, and expensive. Here, we demonstrate that transient receptor potential cation channel subfamily V member 4 (TRPV4), a mechanosensitive, thermogated, and nonselective cation channel, is endogenously present in the mesenchymal stem cells (MSCs). TRPV4 regulates both cytosolic Ca2+ levels and mitochondrial health. Accordingly, the hydrogel made from a natural modified biopolymer carboxymethyl tamarind CMT-Hy and encapsulated with TRPV4-modulatory agents affects different parameters of MSCs, such as cell morphology, focal adhesion points, intracellular Ca2+, and reactive oxygen species- and NO-levels. TRPV4 also regulates cell differentiation and biomineralization in vitro. We demonstrate that 4α-10-CMT-Hy and 4α-50-CMT-Hy (the hydrogel encapsulated with 4αPDD, 10 and 50 nM, TRPV4 activator) surfaces upregulate mitochondrial health, i.e., an increase in ATP- and cardiolipin-levels, and improve the mitochondrial membrane potential. The same scaffold turned out to be nontoxic in vivo. 4α-50-CMT-Hy enhances the repair of the bone-drill hole in rat femur, both qualitatively and quantitatively in vivo. We conclude that 4α-50-CMT-Hy as a scaffold is suitable for treating large-scale bone defects at low cost and can be tested for clinical trials.
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Affiliation(s)
- Satish Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Tusar K Acharya
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Shamit Kumar
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Tejas P Rokade
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Nilesh K Das
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
| | - Saurabh Chawla
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
| | - Luna Goswami
- School of Biotechnology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India
- School of Chemical Technology, KIIT Deemed to be University, Patia, Bhubaneswar 751024, India
| | - Chandan Goswami
- School of Biological Sciences, National Institute of Science Education and Research, HBNI, Khordha, Jatni 752050, Odisha, India
- Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Khordha, Jatni 752050, Odisha, India
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Wang H, Yuan T, Wang Y, Liu C, Li D, Li Z, Sun S. Osteoclasts and osteoarthritis: Novel intervention targets and therapeutic potentials during aging. Aging Cell 2024; 23:e14092. [PMID: 38287696 PMCID: PMC11019147 DOI: 10.1111/acel.14092] [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: 10/17/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024] Open
Abstract
Osteoarthritis (OA), a chronic degenerative joint disease, is highly prevalent among the aging population, and often leads to joint pain, disability, and a diminished quality of life. Although considerable research has been conducted, the precise molecular mechanisms propelling OA pathogenesis continue to be elusive, thereby impeding the development of effective therapeutics. Notably, recent studies have revealed subchondral bone lesions precede cartilage degeneration in the early stage of OA. This development is marked by escalated osteoclast-mediated bone resorption, subsequent imbalances in bone metabolism, accelerated bone turnover, and a decrease in bone volume, thereby contributing significantly to the pathological changes. While the role of aging hallmarks in OA has been extensively elucidated from the perspective of chondrocytes, their connection with osteoclasts is not yet fully understood. There is compelling evidence to suggest that age-related abnormalities such as epigenetic alterations, proteostasis network disruption, cellular senescence, and mitochondrial dysfunction, can stimulate osteoclast activity. This review intends to systematically discuss how aging hallmarks contribute to OA pathogenesis, placing particular emphasis on the age-induced shifts in osteoclast activity. It also aims to stimulate future studies probing into the pathological mechanisms and therapeutic approaches targeting osteoclasts in OA during aging.
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Affiliation(s)
- Haojue Wang
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Tao Yuan
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Yi Wang
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Changxing Liu
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
| | - Dengju Li
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Ziqing Li
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
| | - Shui Sun
- Department of Joint Surgery, Shandong Provincial Hospital, Cheeloo College of MedicineShandong UniversityJinanShandongChina
- Department of Joint SurgeryShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Orthopaedic Research Laboratory, Medical Science and Technology Innovation CenterShandong First Medical University and Shandong Academy of Medical SciencesJinanShandongChina
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6
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De Almeida SD, Richter GM, de Coo A, Jepsen S, Kapferer-Seebacher I, Dommisch H, Berger K, Laudes M, Lieb W, Loos BG, van der Velde N, van Schoor N, de Groot L, Blanco J, Carracedo A, Cruz R, Schaefer AS. A genome-wide association study meta-analysis in a European sample of stage III/IV grade C periodontitis patients ≤35 years of age identifies new risk loci. J Clin Periodontol 2024; 51:431-440. [PMID: 38140892 DOI: 10.1111/jcpe.13922] [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: 09/06/2023] [Revised: 11/07/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023]
Abstract
AIM Few genome-wide association studies (GWAS) have been conducted for severe forms of periodontitis (stage III/IV grade C), and the number of known risk genes is scarce. To identify further genetic risk variants to improve the understanding of the disease aetiology, a GWAS meta-analysis in cases with a diagnosis at ≤35 years of age was performed. MATERIALS AND METHODS Genotypes from German, Dutch and Spanish GWAS studies of III/IV-C periodontitis diagnosed at age ≤35 years were imputed using TopMed. After quality control, a meta-analysis was conducted on 8,666,460 variants in 1306 cases and 7817 controls with METAL. Variants were prioritized using FUMA for gene-based tests, functional annotation and a transcriptome-wide association study integrating eQTL data. RESULTS The study identified a novel genome-wide significant association in the FCER1G gene (p = 1.0 × 10-9 ), which was previously suggestively associated with III/IV-C periodontitis. Six additional genes showed suggestive association with p < 10-5 , including the known risk gene SIGLEC5. HMCN2 showed the second strongest association in this study (p = 6.1 × 10-8 ). CONCLUSIONS This study expands the set of known genetic loci for severe periodontitis with an age of onset ≤35 years. The putative functions ascribed to the associated genes highlight the significance of oral barrier tissue stability, wound healing and tissue regeneration in the aetiology of these periodontitis forms and suggest the importance of tissue regeneration in maintaining oral health.
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Affiliation(s)
- Silvia Diz De Almeida
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER-ISCIII), Instituto de Salud Carlos III, Madrid, Spain
| | - Gesa M Richter
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Alicia de Coo
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Søren Jepsen
- Department of Periodontology, Operative and Preventive Dentistry, University of Bonn, Bonn, Germany
| | - Ines Kapferer-Seebacher
- Department of Dental and Oral Medicine and Cranio-Maxillofacial and Oral Surgery, University Hospital for Conservative Dentistry and Periodontology, Medical University Innsbruck, Innsbruck, Austria
| | - Henrik Dommisch
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Klaus Berger
- Institute of Epidemiology and Social Medicine, University Münster, Münster, Germany
| | - Matthias Laudes
- Institute of Diabetes and Clinical Metabolic Research, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Wolfgang Lieb
- Institute of Epidemiology, Christian-Albrechts-University, Kiel, Germany
| | - Bruno G Loos
- Department of Periodontology and Oral Biochemistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Nathalie van der Velde
- Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
- Department of Internal Medicine Section of Geriatrics, Amsterdam Medical Center, Amsterdam, The Netherlands
| | - Natasja van Schoor
- Department of Epidemiology and Data Science, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Lisette de Groot
- Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands
| | - Juan Blanco
- Research Group of Medical-Surgery Dentistry (OMEQUI), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Angel Carracedo
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER-ISCIII), Instituto de Salud Carlos III, Madrid, Spain
- Fundación Pública Galega de Medicina Xenómica, Sistema Galego de Saúde (SERGAS) Santiago de Compostela, Santiago de Compostela, Spain
- Genetics Research Group, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain
| | - Raquel Cruz
- Centro Singular de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER-ISCIII), Instituto de Salud Carlos III, Madrid, Spain
| | - Arne S Schaefer
- Department of Periodontology, Oral Medicine and Oral Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany
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7
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Zheng H, Liu Y, Deng Y, Li Y, Liu S, Yang Y, Qiu Y, Li B, Sheng W, Liu J, Peng C, Wang W, Yu H. Recent advances of NFATc1 in rheumatoid arthritis-related bone destruction: mechanisms and potential therapeutic targets. Mol Med 2024; 30:20. [PMID: 38310228 PMCID: PMC10838448 DOI: 10.1186/s10020-024-00788-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: 12/07/2023] [Accepted: 01/22/2024] [Indexed: 02/05/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease characterized by inflammation of the synovial tissue and joint bone destruction, often leading to significant disability. The main pathological manifestation of joint deformity in RA patients is bone destruction, which occurs due to the differentiation and proliferation of osteoclasts. The transcription factor nuclear factor-activated T cell 1 (NFATc1) plays a crucial role in this process. The regulation of NFATc1 in osteoclast differentiation is influenced by three main factors. Firstly, NFATc1 is activated through the upstream nuclear factor kappa-B ligand (RANKL)/RANK signaling pathway. Secondly, the Ca2+-related co-stimulatory signaling pathway amplifies NFATc1 activity. Finally, negative regulation of NFATc1 occurs through the action of cytokines such as B-cell Lymphoma 6 (Bcl-6), interferon regulatory factor 8 (IRF8), MAF basic leucine zipper transcription factor B (MafB), and LIM homeobox 2 (Lhx2). These three phases collectively govern NFATc1 transcription and subsequently affect the expression of downstream target genes including TRAF6 and NF-κB. Ultimately, this intricate regulatory network mediates osteoclast differentiation, fusion, and the degradation of both organic and inorganic components of the bone matrix. This review provides a comprehensive summary of recent advances in understanding the mechanism of NFATc1 in the context of RA-related bone destruction and discusses potential therapeutic agents that target NFATc1, with the aim of offering valuable insights for future research in the field of RA. To assess their potential as therapeutic agents for RA, we conducted a drug-like analysis of potential drugs with precise structures.
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Affiliation(s)
- Hao Zheng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yuexuan Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yasi Deng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yunzhe Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Shiqi Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yong Yang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yun Qiu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Bin Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Wenbing Sheng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Jinzhi Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Caiyun Peng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China.
| | - Huanghe Yu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Innovative Materia Medica Research Institute, Hunan University of Chinese Medicine, Changsha, 410208, China.
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8
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Keshvari S, Masson JJR, Ferrari-Cestari M, Bodea LG, Nooru-Mohamed F, Tse BWC, Sokolowski KA, Batoon L, Patkar OL, Sullivan MA, Ebersbach H, Stutz C, Parton RG, Summers KM, Pettit AR, Hume DA, Irvine KM. Reversible expansion of tissue macrophages in response to macrophage colony-stimulating factor (CSF1) transforms systemic lipid and carbohydrate metabolism. Am J Physiol Endocrinol Metab 2024; 326:E149-E165. [PMID: 38117267 DOI: 10.1152/ajpendo.00347.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/01/2023] [Accepted: 12/17/2023] [Indexed: 12/21/2023]
Abstract
Macrophages regulate metabolic homeostasis in health and disease. Macrophage colony-stimulating factor (CSF1)-dependent macrophages contribute to homeostatic control of the size of the liver. This study aimed to determine the systemic metabolic consequences of elevating circulating CSF1. Acute administration of a CSF1-Fc fusion protein to mice led to monocytosis, increased resident tissue macrophages in the liver and all major organs, and liver growth. These effects were associated with increased hepatic glucose uptake and extensive mobilization of body fat. The impacts of CSF1 on macrophage abundance, liver size, and body composition were rapidly reversed to restore homeostasis. The effects of CSF1 on metabolism were independent of several known endocrine regulators and did not impact the physiological fasting response. Analysis using implantable telemetry in metabolic cages revealed progressively reduced body temperature and physical activity with no change in diurnal food intake. These results demonstrate the existence of a dynamic equilibrium between CSF1, the mononuclear phagocyte system, and control of liver-to-body weight ratio, which in turn controls systemic metabolic homeostasis. This novel macrophage regulatory axis has the potential to promote fat mobilization, without changes in appetence, which may have novel implications for managing metabolic syndrome.NEW & NOTEWORTHY CSF1 administration expands tissue macrophages, which transforms systemic metabolism. CSF1 drives fat mobilization and glucose uptake to support liver growth. The effects of CSF1 are independent of normal hormonal metabolic regulation. The effects of CSF1 are rapidly reversible, restoring homeostatic body composition. CSF1-dependent macrophages and liver size are coupled in a dynamic equilibrium.
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Affiliation(s)
- Sahar Keshvari
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Jesse J R Masson
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Michelle Ferrari-Cestari
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Liviu-Gabriel Bodea
- Clem Jones Centre for Ageing and Dementia Research, Queensland Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
| | - Fathima Nooru-Mohamed
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Brian W C Tse
- Preclinical Imaging Facility, Translational Research Institute, Brisbane, Queensland, Australia
| | - Kamil A Sokolowski
- Preclinical Imaging Facility, Translational Research Institute, Brisbane, Queensland, Australia
| | - Lena Batoon
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Omkar L Patkar
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Mitchell A Sullivan
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Hilmar Ebersbach
- Novartis Institutes for Biomedical Research (NIBR), Basel, Switzerland
| | - Cian Stutz
- Novartis Institutes for Biomedical Research (NIBR), Basel, Switzerland
| | - Robert G Parton
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
- Centre for Microscopy and Microanalysis, The University of Queensland, Brisbane, Queensland, Australia
| | - Kim M Summers
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Allison R Pettit
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - David A Hume
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Katharine M Irvine
- Mater Research Institute-The University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
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9
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Takegahara N, Kim H, Choi Y. Unraveling the intricacies of osteoclast differentiation and maturation: insight into novel therapeutic strategies for bone-destructive diseases. Exp Mol Med 2024; 56:264-272. [PMID: 38297158 PMCID: PMC10907717 DOI: 10.1038/s12276-024-01157-7] [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: 08/18/2023] [Revised: 10/20/2023] [Accepted: 11/07/2023] [Indexed: 02/02/2024] Open
Abstract
Osteoclasts are the principal cells that efficiently resorb bone. Numerous studies have attempted to reveal the molecular pathways leading to the differentiation and activation of osteoclasts to improve the treatment and prevention of osteoporosis and other bone-destructive diseases. While the cumulative knowledge of osteoclast regulatory molecules, such as receptor activator of nuclear factor-kB ligand (RANKL) and nuclear factor of activated T cells 1 (NFATc1), contributes to the understanding of the developmental progression of osteoclasts, little is known about how the discrete steps of osteoclastogenesis modify osteoclast status but not the absolute number of osteoclasts. The regulatory mechanisms involved in osteoclast maturation but not those involved in differentiation deserve special attention due to their potential use in establishing a more effective treatment strategy: targeting late-phase differentiation while preserving coupled bone formation. Recent studies have shed light on the molecules that govern late-phase osteoclast differentiation and maturation, as well as the metabolic changes needed to adapt to shifting metabolic demands. This review outlines the current understanding of the regulation of osteoclast differentiation, as well as osteoclast metabolic adaptation as a differentiation control mechanism. Additionally, this review introduces molecules that regulate the late-phase osteoclast differentiation and thus minimally impact coupled bone formation.
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Affiliation(s)
- Noriko Takegahara
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA
| | - Hyunsoo Kim
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA
| | - Yongwon Choi
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, 19104, USA.
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10
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Nakamura A, Towheed T. Pathogenesis, assessment, and management of bone loss in axial spondyloarthritis. Semin Arthritis Rheum 2024; 64:152345. [PMID: 38103486 DOI: 10.1016/j.semarthrit.2023.152345] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023]
Abstract
INTRODUCTION Axial spondyloarthritis (axSpA) presents a complex scenario where both new bone formation in entheseal tissues and significant trabecular bone loss coexist, emphasizing the intricate nature of bone dynamics in this context. METHODS A search of the literature was conducted to compose a narrative review exploring the pathogenesis, possible assessment methods, and potential management options for axSpA. RESULTS While chronic systemic and local inflammation contribute to bone loss, the mechanisms behind axSpA-associated bone loss exhibit distinct characteristics influenced by factors like mechanical stress and the gut microbiome. These factors directly or indirectly stimulate osteoclast differentiation and activation through the RANK-RANKL axis, while simultaneously impeding osteoblast differentiation via negative regulation of bone anabolic pathways, including the Wnt signaling pathway. This disruption in the balance between bone-resorbing osteoclasts and bone-forming osteoblasts contributes to overall bone loss in axSpA. Early evaluation at diagnosis is prudent for detecting bone changes. While traditional dual x-ray absorptiometry (DXA) has limitations due to potential overestimation from spinal new bone formation, alternative methods like trabecular bone score (TBS), quantitative CT (QCT), and quantitative ultrasound (QUS) show promise. However, their integration into routine clinical practice remains limited. In addition to approved anti-inflammatory drugs, lifestyle adjustments like regular exercise play a key role in preserving bone health. Tailoring interventions based on individual risk profiles holds potential for mitigating bone loss progression. CONCLUSION Recognizing the pivotal role of bone loss in axSpA underscores the importance of integrating regular assessments and effective management strategies into clinical practice. Given the multifaceted contributors to bone loss in axSpA, a multidisciplinary approach is essential.
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Affiliation(s)
- Akihiro Nakamura
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Translational Institute of Medicine, School of Medicine, Queen's University, Ontario, Canada; Kingston Health Science Centre, Kingston, Ontario, Canada.
| | - Tanveer Towheed
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Translational Institute of Medicine, School of Medicine, Queen's University, Ontario, Canada; Kingston Health Science Centre, Kingston, Ontario, Canada.
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11
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Jiang L, Qiu W, Wang X, Duan X, Han X, Yu T, Wen S, Luo Z, Feng R, Teng Y, Yin H, Hedrich CM, Deng GM. Immunoglobulin G inhibits glucocorticoid-induced osteoporosis through occupation of FcγRI. iScience 2023; 26:107749. [PMID: 37701568 PMCID: PMC10493602 DOI: 10.1016/j.isci.2023.107749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/03/2023] [Accepted: 08/24/2023] [Indexed: 09/14/2023] Open
Abstract
Glucocorticoid-induced osteoporosis (GIOP) is a severe and common complication of long-term usage of glucocorticoids (GCs) and lacks of efficient therapy. Here, we investigated the mechanism of anti-inflammation effect and osteoclastogenesis side effect of GCs and immunoglobulin G (IgG) treatment against GIOP. GCs inhibited SLE IgG-induced inflammation, while IgG inhibited GCs-induced osteoclastogenesis. FcγRI and glucocorticoid receptor (GR) were found directly interacted with each other. GCs and IgG could reduce the expression of FcγRI on macrophages. The deficiency of FcγRI affected osteoclastogenesis by GCs and systemic lupus erythematosus (SLE) IgG-induced inflammation. Also, IgG efficiently reduced GIOP in mice. These data showed that GCs could induce osteoporosis and inhibit IgG-induced inflammation through FcγRI while IgG efficiently suppressed osteoporosis induced by GCs through FcγRI. Hence, our findings may help in developing a feasible therapeutic strategy against osteoporosis, such as GIOP.
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Affiliation(s)
- Lijuan Jiang
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenlin Qiu
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xuefei Wang
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoru Duan
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoxiao Han
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Tong Yu
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shenghui Wen
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhijun Luo
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Ruizhi Feng
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yao Teng
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Haifeng Yin
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Christian M. Hedrich
- Department of Pediatric Rheumatology, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool, UK
| | - Guo-Min Deng
- Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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12
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Kim GM, Park DR, Nguyen TTH, Kim J, Kim J, Sohn MH, Lee WK, Lee SY, Shim H. Development of Anti-OSCAR Antibodies for the Treatment of Osteoarthritis. Biomedicines 2023; 11:2844. [PMID: 37893216 PMCID: PMC10604876 DOI: 10.3390/biomedicines11102844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Osteoarthritis (OA) is the most common joint disease that causes local inflammation and pain, significantly reducing the quality of life and normal social activities of patients. Currently, there are no disease-modifying OA drugs (DMOADs) available, and treatment relies on pain relief agents or arthroplasty. To address this significant unmet medical need, we aimed to develop monoclonal antibodies that can block the osteoclast-associated receptor (OSCAR). Our recent study has revealed the importance of OSCAR in OA pathogenesis as a novel catabolic regulator that induces chondrocyte apoptosis and accelerates articular cartilage destruction. It was also shown that blocking OSCAR with a soluble OSCAR decoy receptor ameliorated OA in animal models. In this study, OSCAR-neutralizing monoclonal antibodies were isolated and optimized by phage display. These antibodies bind to and directly neutralize OSCAR, unlike the decoy receptor, which binds to the ubiquitously expressed collagen and may result in reduced efficacy or deleterious off-target effects. The DMOAD potential of the anti-OSCAR antibodies was assessed with in vitro cell-based assays and an in vivo OA model. The results demonstrated that the anti-OSCAR antibodies significantly reduced cartilage destruction and other OA signs, such as subchondral bone plate sclerosis and loss of hyaline cartilage. Hence, blocking OSCAR with a monoclonal antibody could be a promising treatment strategy for OA.
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Affiliation(s)
- Gyeong Min Kim
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Doo Ri Park
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Thi Thu Ha Nguyen
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
| | - Jiseon Kim
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
| | - Jihee Kim
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Myung-Ho Sohn
- New Drug Development Center, Osong Medical Innovation Foundation, Cheongju 28160, Republic of Korea; (M.-H.S.); (W.-K.L.)
| | - Won-Kyu Lee
- New Drug Development Center, Osong Medical Innovation Foundation, Cheongju 28160, Republic of Korea; (M.-H.S.); (W.-K.L.)
| | - Soo Young Lee
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hyunbo Shim
- Department of Life Sciences, Ewha Womans University, Seoul 03760, Republic of Korea; (G.M.K.); (D.R.P.); (T.T.H.N.); (J.K.); (J.K.)
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13
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Lai Y, Guo Y, Liao C, Mao C, Liu J, Ren C, Yang W, Luo L, Chen W. Osteoclast differentiation and dynamic mRNA expression during mice embryonic palatal bone development. Sci Rep 2023; 13:15170. [PMID: 37704707 PMCID: PMC10499879 DOI: 10.1038/s41598-023-42423-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 09/10/2023] [Indexed: 09/15/2023] Open
Abstract
This study is the first to investigate the process of osteoclast (OCL) differentiation, its potential functions, and the associated mRNA and signalling pathways in embryonic palatal bone. Our findings suggest that OCLs are involved in bone remodelling, bone marrow cavity formation, and blood vessel formation in embryonic palatal bone. We observed TRAP-positive OCLs at embryonic day 16.5 (E16.5), E17.5, and E18.5 at the palatal process of the palate (PPP) and posterior and anterior parts of the palatal process of the maxilla (PPMXP and PPMXA, respectively), with OCL differentiation starting 2 days prior to TRAP positivity. By comparing the key periods of OCL differentiation between PPMX and PPP (E14.5, E15.5, and E16.5) using RNA-seq data of the palates, we found that the PI3K-AKT and MAPK signalling pathways were sequentially enriched, which may play critical roles in OCL survival and differentiation. Csf1r, Tnfrsff11a, Ctsk, Fos, Tyrobp, Fcgr3, and Spi1 were significantly upregulated, while Pik3r3, Tgfbr1, and Mapk3k7 were significantly downregulated, in both PPMX and PPP. Interestingly, Tnfrsff11b was upregulated in PPMX but downregulated in PPP, which may regulate the timing of OCL appearance. These results contribute to the limited knowledge regarding mRNA-specific steps in OCL differentiation in the embryonic palatal bone.
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Affiliation(s)
- Yongzhen Lai
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Yan Guo
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Caiyu Liao
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Chuanqing Mao
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China
| | - Jing Liu
- Department of Stomatology, Fujian Maternal and Child Health Hospital, No. 18 Dao Shan Road, Fuzhou, 350001, Fujian, China
| | - Chengyan Ren
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Wen Yang
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Lin Luo
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China
| | - Weihui Chen
- Department of Oral and Craniomaxillofacial Science, Fujian Medical University Union Hospital, No. 28, Xinquan Road, Fuzhou, 350001, Fujian, China.
- Stomatological Key Laboratory of Fujian College and University, Fuzhou, China.
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14
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Shibata T, Sato R, Taoka M, Saitoh SI, Komine M, Yamaguchi K, Goyama S, Motoi Y, Kitaura J, Izawa K, Yamauchi Y, Tsukamoto Y, Ichinohe T, Fujita E, Hiranuma R, Fukui R, Furukawa Y, Kitamura T, Takai T, Tojo A, Ohtsuki M, Ohto U, Shimizu T, Ozawa M, Yoshida N, Isobe T, Latz E, Mukai K, Taguchi T, Hemmi H, Akira S, Miyake K. TLR7/8 stress response drives histiocytosis in SLC29A3 disorders. J Exp Med 2023; 220:e20230054. [PMID: 37462944 PMCID: PMC10354536 DOI: 10.1084/jem.20230054] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/02/2023] [Accepted: 06/09/2023] [Indexed: 07/21/2023] Open
Abstract
Loss-of-function mutations in the lysosomal nucleoside transporter SLC29A3 cause lysosomal nucleoside storage and histiocytosis: phagocyte accumulation in multiple organs. However, little is known about the mechanism by which lysosomal nucleoside storage drives histiocytosis. Herein, histiocytosis in Slc29a3-/- mice was shown to depend on Toll-like receptor 7 (TLR7), which senses a combination of nucleosides and oligoribonucleotides (ORNs). TLR7 increased phagocyte numbers by driving the proliferation of Ly6Chi immature monocytes and their maturation into Ly6Clow phagocytes in Slc29a3-/- mice. Downstream of TLR7, FcRγ and DAP10 were required for monocyte proliferation. Histiocytosis is accompanied by inflammation in SLC29A3 disorders. However, TLR7 in nucleoside-laden splenic monocytes failed to activate inflammatory responses. Enhanced production of proinflammatory cytokines was observed only after stimulation with ssRNAs, which would increase lysosomal ORNs. Patient-derived monocytes harboring the G208R SLC29A3 mutation showed enhanced survival and proliferation in a TLR8-antagonist-sensitive manner. These results demonstrated that TLR7/8 responses to lysosomal nucleoside stress drive SLC29A3 disorders.
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Affiliation(s)
- Takuma Shibata
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Ryota Sato
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Masato Taoka
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Shin-Ichiroh Saitoh
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Mayumi Komine
- Department of Dermatology, Jichi Medical University, Tochigi, Japan
| | - Kiyoshi Yamaguchi
- Division of Clinical Genome Research, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Susumu Goyama
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuji Motoi
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Jiro Kitaura
- Atopy Research Center, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kumi Izawa
- Atopy Research Center, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Yoshio Yamauchi
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Yumiko Tsukamoto
- Department of Mycobacteriology, Leprosy Research Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takeshi Ichinohe
- Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Etsuko Fujita
- Department of Dermatology, Jichi Medical University, Tochigi, Japan
| | - Ryosuke Hiranuma
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Ryutaro Fukui
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Yoichi Furukawa
- Division of Clinical Genome Research, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Toshio Kitamura
- Division of Cellular Therapy, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Toshiyuki Takai
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Arinobu Tojo
- Department of Hematology and Oncology, Research Hospital, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Mamitaro Ohtsuki
- Department of Dermatology, Jichi Medical University, Tochigi, Japan
| | - Umeharu Ohto
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Toshiyuki Shimizu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Manabu Ozawa
- Laboratory of Developmental Genetics, Center for Experimental Medicine and Systems Biology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Nobuaki Yoshida
- Laboratory of Developmental Genetics, Center for Experimental Medicine and Systems Biology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Toshiaki Isobe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Eicke Latz
- Institute of Innate Immunity, University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Kojiro Mukai
- Department of Integrative Life Sciences, Laboratory of Organelle Pathophysiology, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Tomohiko Taguchi
- Department of Integrative Life Sciences, Laboratory of Organelle Pathophysiology, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Hiroaki Hemmi
- Laboratory of Immunology, Faculty of Veterinary Medicine, Okayama University of Science, Imabari, Japan
| | - Shizuo Akira
- Laboratory of Host Defense, World Premier Institute—Immunology Frontier Research Center (WPI-IFReC), Osaka University, Osaka, Japan
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Osaka, Japan
| | - Kensuke Miyake
- Division of Innate Immunity, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
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15
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Ye Z, Wang Y, Xiang B, Wang H, Tao H, Zhang C, Zhang S, Sun D, Luo F, Song L. Roles of the Siglec family in bone and bone homeostasis. Biomed Pharmacother 2023; 165:115064. [PMID: 37413904 DOI: 10.1016/j.biopha.2023.115064] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/23/2023] [Accepted: 06/23/2023] [Indexed: 07/08/2023] Open
Abstract
Tremendous progress has been seen in the study of the role of sialic acid binding im-munoglobulin type lectins (Siglecs) in osteoimmunology in the past two decades. Interest in Siglecs as immune checkpoints has grown from the recognition that Siglecs have relevance to human disease. Siglecs play important roles in inflammation and cancer, and play key roles in immune cell signaling. By recognizing common sialic acid containing glycans on glycoproteins and glycolipids as regulatory receptors for immune cell signals, Siglecs are expressed on most immune cells and play important roles in normal homeostasis and self-tolerance. In this review, we describe the role that the siglec family plays in bone and bone homeostasis, including the regulation of osteoclast differentiation as well as recent advances in inflammation, cancer and osteoporosis. Particular emphasis is placed on the relevant functions of Siglecs in self-tolerance and as pattern recognition receptors in immune responses, thereby potentially providing emerging strategies for the treatment of bone related diseases.
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Affiliation(s)
- Zi Ye
- The Fourth Corps of Students of the Basic Medical College, Army Medical University, Chongqing 400037, China
| | - Yetong Wang
- The Fourth Corps of Students of the Basic Medical College, Army Medical University, Chongqing 400037, China
| | - Binqing Xiang
- Department of Surgical Anesthesia, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Heng Wang
- Army Border Defense 331st Brigade, Dandong 118000, China
| | - Haiyan Tao
- Health Management Center, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Chengmin Zhang
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Shuai Zhang
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Dong Sun
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
| | - Fei Luo
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
| | - Lei Song
- Department of Orthopaedics, First Affiliated Hospital, Army Medical University, Chongqing 400038, China.
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16
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Shigemi S, Sato T, Sakamoto M, Yajima T, Honda T, Tsumaki H, Deguchi T, Ichikawa H, Fukunaga T, Mizoguchi I. The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats. Sci Rep 2023; 13:13718. [PMID: 37608122 PMCID: PMC10444840 DOI: 10.1038/s41598-023-41019-2] [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: 03/24/2023] [Accepted: 08/21/2023] [Indexed: 08/24/2023] Open
Abstract
When orthodontic forces are applied to teeth, bone remodeling, which consists of bone resorption and bone formation, occurs around the teeth. Transient receptor potential vanilloid 2 (TRPV2) is a cation channel expressed in various cell types that responds to various stimuli, including mechanical stress, and involved in calcium oscillations during the early stages of osteoclast differentiation. However, in vivo expression of TRPV2 in osteoclasts has not yet been reported, and temporo-spatial expression of TRPV2 during osteoclast differentiation is unclear. In this study, we examined the TRPV2 expression during experimental tooth movement and assessed the effect of TRPV2 on osteoclast differentiation. TRPV2 was detected on day 1 after experimental tooth movement on the compression side, and the number of TRPV2-expressing cells significantly increased on day 7. These TRPV2-expressing cells had a single, or multiple nuclei and were positive for TRAP activity. Consistent with these in vivo findings, in vitro experiments using RAW264.7 osteoclast progenitor cells showed that TRPV2 mRNA was increased at the early stage of osteoclast differentiation and maintained until the late stage. Furthermore, a TRPV2 channel selective antagonist significantly inhibited osteoclast differentiation. These findings suggest that TRPV2 may have a regulatory role in osteoclast differentiation during orthodontic tooth movement.
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Affiliation(s)
- Shohei Shigemi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Tadasu Sato
- Division of Oral and Craniofacial Anatomy, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Mayuri Sakamoto
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Takehiro Yajima
- Division of Oral and Craniofacial Anatomy, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Takahiro Honda
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Hiroka Tsumaki
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Toru Deguchi
- Division of Orthodontics and Prosthodontics, University of Louisville, 501 S. Preston St., Room 362A, Louisville, KY, 40202, USA
| | - Hiroyuki Ichikawa
- Division of Oral and Craniofacial Anatomy, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Tomohiro Fukunaga
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.
| | - Itaru Mizoguchi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
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17
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Furuya H, Nguyen CT, Gu R, Hsieh SL, Maverakis E, Adamopoulos IE. Interleukin-23 Regulates Inflammatory Osteoclastogenesis via Activation of CLEC5A(+) Osteoclast Precursors. Arthritis Rheumatol 2023; 75:1477-1489. [PMID: 36787107 PMCID: PMC10423744 DOI: 10.1002/art.42478] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/12/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023]
Abstract
OBJECTIVE To investigate the role of interleukin-23 (IL-23) in pathologic bone remodeling in inflammatory arthritis. METHODS In this study we investigated the role of IL-23 in osteoclast differentiation and activation using in vivo gene transfer techniques in wild-type and myeloid DNAX-activation protein 12-associating lectin-1 (MDL-1)-deficient mice, and by performing in vitro and in vivo osteoclastogenesis assays using spectral flow cytometry, micro-computed tomography analysis, Western blotting, and immunoprecipitation. RESULTS Herein, we show that IL-23 induces the expansion of a myeloid osteoclast precursor population and supports osteoclastogenesis and bone resorption in inflammatory arthritis. Genetic ablation of C-type lectin domain family member 5A, also known as MDL-1, prevents the induction of osteoclast precursors by IL-23 that is associated with bone destruction, as commonly observed in inflammatory arthritis. Moreover, osteoclasts derived from the bone marrow of MDL-1-deficient mice showed impaired osteoclastogenesis, and MDL-1-/- mice had increased bone mineral density. CONCLUSION Our data show that IL-23 signaling regulates the availability of osteoclast precursors in inflammatory arthritis that could be effectively targeted for the treatment of inflammatory bone loss in inflammatory arthritis.
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Affiliation(s)
- Hiroki Furuya
- Department of Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School
| | - Cuong Thach Nguyen
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis
| | - Ran Gu
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis
| | - Shie-Liang Hsieh
- Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, Taiwan
| | - Emanual Maverakis
- Department of Dermatology, University of California, Davis, Sacramento, CA, USA
| | - Iannis E Adamopoulos
- Department of Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis
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18
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Kaifu T, Maruhashi T, Chung SH, Shimizu K, Nakamura A, Iwakura Y. DCIR suppresses osteoclastic proliferation and resorption by downregulating M-CSF and RANKL signaling. Front Immunol 2023; 14:1159058. [PMID: 37266426 PMCID: PMC10230091 DOI: 10.3389/fimmu.2023.1159058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/02/2023] [Indexed: 06/03/2023] Open
Abstract
Dendritic cell immunoreceptor (DCIR) is an inhibitory C-type lectin receptor that acts as a negative regulator in the immune system and bone metabolism. We previously revealed that DCIR deficiency enhanced osteoclastogenesis and antigen presentation of dendritic cells, and that asialo-biantennary N-glycan (NA2) functions as a ligand for DCIR. NA2 binding to DCIR suppressed murine and human osteoclastogenesis that occurs in the presence of M-CSF and RANKL. The DCIR-NA2 axis, therefore, plays an important role in regulating osteoclastogenesis in both mice and humans, although the underlying mechanisms remain unclear. Here we found that Dcir -/- bone marrow-derived macrophages (BMMs) exhibited greater proliferative and differentiation responses to M-CSF and RANKL, respectively, than wild-type (WT) BMMs. Moreover, Dcir -/- osteoclasts (OCs) increased resorptive activity and cell fusion more significantly than WT OCs. DCIR deficiency affects gene expression patterns in OCs, and we found that the expression of neuraminidase 4 was increased in Dcir -/- OCs. Furthermore, DCIR-NA2 interaction in WT BMMs, but not Dcir -/- BMMs, decreased Akt phosphorylation in response to M-CSF and RANKL. These data suggest that DCIR regulates osteoclastogenesis by downregulating M-CSF and RANKL signaling, and that DCIR-mediated signaling may contribute to the terminal modification of oligosaccharides by controlling the expression of glycosylation enzymes.
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Affiliation(s)
- Tomonori Kaifu
- Division of Immunology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
| | - Takumi Maruhashi
- Laboratory of Molecular Immunology, Institute for Quantitative Biosciences, The University of Tokyo, Tokyo, Japan
| | - Soo-Hyun Chung
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Noda, Chiba, Japan
| | - Kenji Shimizu
- Laboratory of Molecular Immunology, Institute for Quantitative Biosciences, The University of Tokyo, Tokyo, Japan
| | - Akira Nakamura
- Division of Immunology, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
| | - Yoichiro Iwakura
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Noda, Chiba, Japan
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19
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Hu N, Wang J, Ju B, Li Y, Fan P, Jin X, Kang X, Wu S. Recent advances of osteoimmunology research in rheumatoid arthritis: From single-cell omics approach. Chin Med J (Engl) 2023:00029330-990000000-00608. [PMID: 37166215 DOI: 10.1097/cm9.0000000000002678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Indexed: 05/12/2023] Open
Abstract
ABSTRACT Cellular immune responses as well as generalized and periarticular bone loss are the key pathogenic features of rheumatoid arthritis (RA). Under the pathological conditions of RA, dysregulated inflammation and immune processes tightly interact with skeletal system, resulting in pathological bone damage via inhibition of bone formation or induction of bone resorption. Single-cell omics technologies are revolutionary tools in the field of modern biological research.They enable the display of the state and function of cells in various environments from a single-cell resolution, thus making it conducive to identify the dysregulated molecular mechanisms of bone destruction in RA as well as the discovery of potential therapeutic targets and biomarkers. Here, we summarize the latest findings of single-cell omics technologies in osteoimmunology research in RA. These results suggest that single-cell omics have made significant contributions to transcriptomics and dynamics of specific cells involved in bone remodeling, providing a new direction for our understanding of cellular heterogeneity in the study of osteoimmunology in RA.
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Affiliation(s)
- Nan Hu
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Jing Wang
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Bomiao Ju
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Yuanyuan Li
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Ping Fan
- Department of Rheumatology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xinxin Jin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China
| | - Xiaomin Kang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Shufang Wu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
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20
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Burciaga SD, Saavedra F, Fischer L, Johnstone K, Jensen ED. Protein kinase D3 conditional knockout impairs osteoclast formation and increases trabecular bone volume in male mice. Bone 2023; 172:116759. [PMID: 37044359 DOI: 10.1016/j.bone.2023.116759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/15/2023] [Accepted: 04/04/2023] [Indexed: 04/14/2023]
Abstract
Studies using kinase inhibitors have shown that the protein kinase D (PRKD) family of serine/threonine kinases are required for formation and function of osteoclasts in culture. However, the involvement of individual protein kinase D genes and their in vivo significance to skeletal dynamics remains unclear. In the current study we present data indicating that protein kinase D3 is the primary form of PRKD expressed in osteoclasts. We hypothesized that loss of PRKD3 would impair osteoclast formation, thereby decreasing bone resorption and increasing bone mass. Conditional knockout (cKO) of Prkd3 using a murine Cre/Lox system driven by cFms-Cre revealed that its loss in osteoclast-lineage cells reduced osteoclast differentiation and resorptive function in culture. Examination of the Prkd3 cKO mice showed that bone parameters were unaffected in the femur at 4 weeks of age, but consistent with our hypothesis, Prkd3 conditional knockout resulted in 18 % increased trabecular bone mass in male mice at 12 weeks and a similar increase at 6 months. These effects were not observed in female mice. As a further test of our hypothesis, we asked if Prkd3 cKO could protect against bone loss in a ligature-induced periodontal disease model but did not see any reduction in bone destruction in this system. Together, our data indicate that PRKD3 promotes osteoclastogenesis both in vitro and in vivo.
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Affiliation(s)
- Samuel D Burciaga
- Department of Diagnostic & Biological Sciences, University of Minnesota School of Dentistry, Minneapolis, MN 55455, USA
| | - Flavia Saavedra
- Department of Diagnostic & Biological Sciences, University of Minnesota School of Dentistry, Minneapolis, MN 55455, USA
| | - Lori Fischer
- Department of Diagnostic & Biological Sciences, University of Minnesota School of Dentistry, Minneapolis, MN 55455, USA
| | - Karen Johnstone
- Department of Diagnostic & Biological Sciences, University of Minnesota School of Dentistry, Minneapolis, MN 55455, USA
| | - Eric D Jensen
- Department of Diagnostic & Biological Sciences, University of Minnesota School of Dentistry, Minneapolis, MN 55455, USA.
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21
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Matsuda K, Shiba N, Hiraoka K. New Insights into the Role of Synovial Fibroblasts Leading to Joint Destruction in Rheumatoid Arthritis. Int J Mol Sci 2023; 24:ijms24065173. [PMID: 36982247 PMCID: PMC10049180 DOI: 10.3390/ijms24065173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Rheumatoid arthritis (RA), one of the most common autoimmune diseases, is characterized by multiple-joint synovitis with subsequent destruction of bone and cartilage. The excessive autoimmune responses cause an imbalance in bone metabolism, promoting bone resorption and inhibiting bone formation. Preliminary studies have revealed that receptor activator of NF-κB ligand (RANKL)-mediated osteoclast induction is an important component of bone destruction in RA. Synovial fibroblasts are the crucial producers of RANKL in the RA synovium; novel analytical techniques, primarily, single-cell RNA sequencing, have confirmed that synovial fibroblasts include heterogeneous subsets of both pro-inflammatory and tissue-destructive cell types. The heterogeneity of immune cells in the RA synovium and the interaction of synovial fibroblasts with immune cells have recently received considerable attention. The current review focused on the latest findings regarding the crosstalk between synovial fibroblasts and immune cells, and the pivotal role played by synovial fibroblasts in joint destruction in RA.
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Affiliation(s)
- Kotaro Matsuda
- Department of Orthopedic Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Fukuoka, Japan
| | - Naoto Shiba
- Department of Orthopedic Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Fukuoka, Japan
| | - Koji Hiraoka
- Department of Orthopedic Surgery, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830-0011, Fukuoka, Japan
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22
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Madel MB, Halper J, Ibáñez L, Claire L, Rouleau M, Boutin A, Mahler A, Pontier-Bres R, Ciucci T, Topi M, Hue C, Amiaud J, Iborra S, Sancho D, Heymann D, Garchon HJ, Czerucka D, Apparailly F, Duroux-Richard I, Wakkach A, Blin-Wakkach C. Specific targeting of inflammatory osteoclastogenesis by the probiotic yeast S. boulardii CNCM I-745 reduces bone loss in osteoporosis. eLife 2023; 12:82037. [PMID: 36848406 PMCID: PMC9977286 DOI: 10.7554/elife.82037] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 02/12/2023] [Indexed: 03/01/2023] Open
Abstract
Bone destruction is a hallmark of chronic inflammation, and bone-resorbing osteoclasts arising under such a condition differ from steady-state ones. However, osteoclast diversity remains poorly explored. Here, we combined transcriptomic profiling, differentiation assays and in vivo analysis in mouse to decipher specific traits for inflammatory and steady-state osteoclasts. We identified and validated the pattern-recognition receptors (PRR) Tlr2, Dectin-1, and Mincle, all involved in yeast recognition as major regulators of inflammatory osteoclasts. We showed that administration of the yeast probiotic Saccharomyces boulardii CNCM I-745 (Sb) in vivo reduced bone loss in ovariectomized but not sham mice by reducing inflammatory osteoclastogenesis. This beneficial impact of Sb is mediated by the regulation of the inflammatory environment required for the generation of inflammatory osteoclasts. We also showed that Sb derivatives as well as agonists of Tlr2, Dectin-1, and Mincle specifically inhibited directly the differentiation of inflammatory but not steady-state osteoclasts in vitro. These findings demonstrate a preferential use of the PRR-associated costimulatory differentiation pathway by inflammatory osteoclasts, thus enabling their specific inhibition, which opens new therapeutic perspectives for inflammatory bone loss.
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Affiliation(s)
- Maria-Bernadette Madel
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Julia Halper
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Lidia Ibáñez
- Department of Pharmacy, Cardenal Herrera-CEU UniversityValenciaSpain
| | | | - Matthieu Rouleau
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Antoine Boutin
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Adrien Mahler
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Rodolphe Pontier-Bres
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
- Centre Scientifiquede MonacoMonaco
| | - Thomas Ciucci
- Laboratory of Immune Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Majlinda Topi
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Christophe Hue
- Université Paris-Saclay, UVSQ, INSERM, Infection et inflammationMontigny-Le-BretonneuxFrance
| | | | - Salvador Iborra
- Department of Immunology, Ophthalmology and ENT. School of Medicine, Universidad Complutense de MadridMadridSpain
| | - David Sancho
- Immunobiology Laboratory, Centro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
| | - Dominique Heymann
- Université de Nantes, Institut de Cancérologie de l’OuestSaint HerblainFrance
| | - Henri-Jean Garchon
- Université Paris-Saclay, UVSQ, INSERM, Infection et inflammationMontigny-Le-BretonneuxFrance
- Genetics Division, Ambroise Paré Hospital, AP-HPBoulogne-BillancourtFrance
| | - Dorota Czerucka
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
- Centre Scientifiquede MonacoMonaco
| | | | | | - Abdelilah Wakkach
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
| | - Claudine Blin-Wakkach
- Université Côte d’Azur, CNRS, LP2MNiceFrance
- LIA ROPSE, Laboratoire International Associé Université Côte d’Azur - Centre Scientifique de MonacoNice and MonacoFrance
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23
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Jiao Y, Wang X, Wang Q, Geng Q, Cao X, Zhang M, Zhao L, Deng T, Xu Y, Xiao C. Mechanisms by which kidney-tonifying Chinese herbs inhibit osteoclastogenesis: Emphasis on immune cells. Front Pharmacol 2023; 14:1077796. [PMID: 36814488 PMCID: PMC9939464 DOI: 10.3389/fphar.2023.1077796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 01/25/2023] [Indexed: 02/08/2023] Open
Abstract
The immune system plays a crucial role in regulating osteoclast formation and function and has significance for the occurrence and development of immune-mediated bone diseases. Kidney-tonifying Chinese herbs, based on the theory of traditional Chinese medicine (TCM) to unify the kidney and strengthen the bone, have been widely used in the prevention and treatment of bone diseases. The common botanical drugs are tonifying kidney-yang and nourishing kidney-yin herbs, which are divided into two parts: one is the compound prescription of TCM, and the other is the single preparation of TCM and its active ingredients. These botanical drugs regulate osteoclastogenesis directly and indirectly by immune cells, however, we have limited information on the differences between the two botanical drugs in osteoimmunology. In this review, the mechanism by which kidney-tonifying Chinese herbs inhibiting osteoclastogenesis was investigated, emphasizing the immune response. The differences in the mechanism of action between tonifying kidney-yang herbs and nourishing kidney-yin herbs were analysed, and the therapeutic value for immune-mediated bone diseases was evaluated.
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Affiliation(s)
- Yi Jiao
- Beijing University of Chinese Medicine, China-Japan Friendship Clinical Medical College, Beijing, China,Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Xing Wang
- Beijing University of Chinese Medicine, China-Japan Friendship Clinical Medical College, Beijing, China,Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Qiong Wang
- Beijing University of Chinese Medicine, China-Japan Friendship Clinical Medical College, Beijing, China,Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Qishun Geng
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Xiaoxue Cao
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Mengxiao Zhang
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Lu Zhao
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Tingting Deng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Yuan Xu
- Department of TCM Rheumatology, China-Japan Friendship Hospital, Beijing, China,*Correspondence: Yuan Xu, ; Cheng Xiao,
| | - Cheng Xiao
- Beijing University of Chinese Medicine, China-Japan Friendship Clinical Medical College, Beijing, China,Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China,Department of Emergency, China-Japan Friendship Hospital, Beijing, China,*Correspondence: Yuan Xu, ; Cheng Xiao,
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24
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Regulatory effects of autoantibody IgG on osteoclastogenesis. Clin Immunol 2023; 246:109200. [PMID: 36435446 DOI: 10.1016/j.clim.2022.109200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022]
Abstract
Inflammatory arthritis is common in both systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA), and eventually leads to bone homeostasis disorders. However, RA patients generally have severe bone destruction, which is rare in SLE patients. Recent studies have demonstrated that anti-citrullinated protein antibodies are important factors leading to bone destruction in RA. On the other hand, SLE patients present deposition of autoantibodies in the joints, which plays an important role in bone protection. These different phenomena occur because of the effects of the autoantibodies on the monocytes/macrophages during osteoclastogenesis, and the mechanisms underlying these effects differ between SLE and RA patients.
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25
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Huang R, Zheng J, Shao Y, Zhu L, Yang T. Siglec-15 as multifunctional molecule involved in osteoclast differentiation, cancer immunity and microbial infection. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2023; 177:34-41. [PMID: 36265694 DOI: 10.1016/j.pbiomolbio.2022.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 09/19/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022]
Abstract
Siglec-15 is a highly conserved member of the Siglec family, expressed on osteoclasts, a subset of myeloid cells and some cancer cells. Except for regulating osteoclast differentiation, Siglec-15 engages in immunoregulation as an immune suppressor. Siglec-15 functions as an immunosuppressive molecule in tumor-associated macrophage-mediated T cell immunity in the tumor microenvironment (TME), which makes Siglec-15 to be an emerging and promising target for normalization cancer immunotherapy. Besides, Siglec-15 interacts with sialylated pathogens and modulates host immune response against microbial pathogens by altering cytokine production and/or phagocytosis, which further broadens the underlying pathophysiological roles of Siglec-15. The fact that N-glycosylation and sialylation of Siglec-15 play a pivotal role in Siglec-15 biological function indicates that targeting certain post-translational modification may be an effective strategy for targeting Siglec-15 therapy. In-depth exploring Siglec-15 biology function is crucial for better design of Siglec-15-based therapy according to different clinical indications.
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Affiliation(s)
- Rui Huang
- Department of Biochemistry & Molecular Biology, Shanxi Medical University, Taiyuan, China; Department of Clinical Laboratory, Children's Hospital and Women Health Center of Shanxi, Taiyuan, China
| | - Jinxiu Zheng
- Department of Biochemistry & Molecular Biology, Shanxi Medical University, Taiyuan, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, Taiyuan, China
| | - Ying Shao
- Department of Pathophysiology, Shanxi Medical University, Taiyuan, China
| | - Lei Zhu
- Department of Clinical Laboratory, Children's Hospital and Women Health Center of Shanxi, Taiyuan, China
| | - Tao Yang
- Department of Biochemistry & Molecular Biology, Shanxi Medical University, Taiyuan, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, Taiyuan, China.
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26
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Li C, Li C, Ma Z, Chen H, Ruan H, Deng L, Wang J, Cui W. Regulated macrophage immune microenvironment in 3D printed scaffolds for bone tumor postoperative treatment. Bioact Mater 2023; 19:474-485. [PMID: 35574049 PMCID: PMC9079115 DOI: 10.1016/j.bioactmat.2022.04.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 03/31/2022] [Accepted: 04/25/2022] [Indexed: 12/21/2022] Open
Abstract
The 3D printing technique is suitable for patient-specific implant preparation for bone repair after bone tumor resection. However, improving the survival rate due to tumor recurrence remains a challenge for implants. The macrophage polarization induction to M2-type tumor-associated macrophages (TAMs) by the tumor microenvironment is a key factor of immunosuppression and tumor recurrence. In this study, a regenerative scaffold regulating the macrophage immune microenvironment and promoting bone regeneration in a dual-stage process for the postoperative treatment of bone tumors was constructed by binding a colony-stimulating factor 1 receptor (CSF-1R) inhibitor GW2580 onto in situ cosslinked hydroxybutylchitosan (HBC)/oxidized chondroitin sulfate (OCS) hydrogel layer covering a 3D printed calcium phosphate scaffold based on electrostatic interaction. The hydrogel layer on scaffold surface not only supplied abundant sulfonic acid groups for stable loading of the inhibitor, but also acted as the cover mask protecting the bone repair part from exposure to unhealthy growth factors in the microenvironment at the early treatment stage. With local prolonged release of inhibitor being realized via the functional material design, CSF-1R, the main pathway that induces polarization of TAMs, can be efficiently blocked, thus regulating the immunosuppressive microenvironment and inhibiting tumor development at a low therapeutic dose. At the later stage of treatment, calcium phosphate component of the scaffold can facilitate the repair of bone defects caused by tumor excision. In conclusion, the difunctional 3D printed bone repair scaffold regulating immune microenvironment in stages proposed a novel approach for bone tumor postoperative treatment. In situ crosslinked hydrogel mask layer for stable combining of a CSF-1R inhibitor on 3D printed bone repair scaffolds. Gradually released inhibitor GW2580 significantly blocked CSF-1R, AKT and NF-κB signaling pathways. Difunctional customized scaffolds regulating immune microenvironment in stages for bone tumor postoperative treatment.
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Affiliation(s)
- Cuidi Li
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
| | - Changwei Li
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
| | - Zhenjiang Ma
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital Affiliated Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Hongfang Chen
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital Affiliated Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
| | - Huitong Ruan
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
| | - Lianfu Deng
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
| | - Jinwu Wang
- Shanghai Key Laboratory of Orthopedic Implant, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital Affiliated Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, PR China
- Corresponding author.
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
- Corresponding author.
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Thümmler K, Williams MTS, Kitson S, Sood S, Akbar M, Cole JJ, Hunter E, Soutar R, Goodyear CS. Targeting 3D chromosomal architecture at the RANK loci to suppress myeloma-driven osteoclastogenesis. Oncoimmunology 2022; 11:2104070. [PMID: 35936985 PMCID: PMC9348127 DOI: 10.1080/2162402x.2022.2104070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Affiliation(s)
- Katja Thümmler
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mark TS Williams
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Susan Kitson
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Shatakshi Sood
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Moeed Akbar
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - John J Cole
- GLAZgo Discovery Centre, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | | | - Richard Soutar
- Beatson West of Scotland Cancer Centre, Gartnavel Hospital, Glasgow, UK
| | - Carl S Goodyear
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- GLAZgo Discovery Centre, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Filipović M, Flegar D, Aničić S, Šisl D, Kelava T, Kovačić N, Šućur A, Grčević D. Transcriptome profiling of osteoclast subsets associated with arthritis: A pathogenic role of CCR2 hi osteoclast progenitors. Front Immunol 2022; 13:994035. [PMID: 36591261 PMCID: PMC9797520 DOI: 10.3389/fimmu.2022.994035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 11/14/2022] [Indexed: 12/23/2022] Open
Abstract
Introduction The existence of different osteoclast progenitor (OCP) subsets has been confirmed by numerous studies. However, pathological inflammation-induced osteoclastogenesis remains incompletely understood. Detailed characterization of OCP subsets may elucidate the pathophysiology of increased osteoclast activity causing periarticular and systemic bone resorption in arthritis. In our study, we rely on previously defined OCP subsets categorized by the level of CCR2 expression as circulatory-like committed CCR2hi OCPs, which are substantially expanded in arthritis, and marrow-resident CCR2lo OCPs of immature phenotype and behavior. Methods In order to perform transcriptome characterization of those subsets in the context of collagen-induced arthritis (CIA), we sorted CCR2hi and CCR2lo periarticular bone marrow OCPs of control and arthritic mice, and performed next-generation RNA sequencing (n=4 for each group) to evaluate the differential gene expression profile using gene set enrichment analysis with further validation. Results A disparity between CCR2hi and CCR2lo subset transcriptomes (863 genes) was detected, with the enrichment of pathways for osteoclast differentiation, chemokine and NOD-like receptor signaling in the CCR2hi OCP subset, and ribosome biogenesis in eukaryotes and ribosome pathways in the CCR2lo OCP subset. The effect of intervention (CIA) within each subset was greater in CCR2hi (92 genes) than in CCR2lo (43 genes) OCPs. Genes associated with the osteoclastogenic pathway (Fcgr1, Socs3), and several genes involved in cell adhesion and migration (F11r, Cd38, Lrg1) identified the CCR2hi subset and distinguish CIA from control group, as validated by qPCR (n=6 for control mice, n=9 for CIA mice). The latter gene set showed a significant positive correlation with arthritis clinical score and frequency of CCR2hi OCPs. Protein-level validation by flow cytometry showed increased proportion of OCPs expressing F11r/CD321, CD38 and Lrg1 in CIA, indicating that they could be used as disease markers. Moreover, osteoclast pathway-identifying genes remained similarly expressed (Fcgr1) or even induced by several fold (Socs3) in preosteoclasts differentiated in vitro from CIA mice compared to pre-cultured levels, suggesting their importance for enhanced osteoclastogenesis of the CCR2hi OCPs in arthritis. Conclusion Our approach detected differentially expressed genes that could identify distinct subset of OCPs associated with arthritis as well as indicate possible therapeutic targets aimed to modulate osteoclast activity.
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Affiliation(s)
- Maša Filipović
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Darja Flegar
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Sara Aničić
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Dino Šisl
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Tomislav Kelava
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Nataša Kovačić
- Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia,Department of Anatomy, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Alan Šućur
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia,*Correspondence: Alan Šućur, ; Danka Grčević,
| | - Danka Grčević
- Department of Physiology and Immunology, University of Zagreb School of Medicine, Zagreb, Croatia,Laboratory for Molecular Immunology, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia,*Correspondence: Alan Šućur, ; Danka Grčević,
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Bone Metastasis of Breast Cancer: Molecular Mechanisms and Therapeutic Strategies. Cancers (Basel) 2022; 14:cancers14235727. [PMID: 36497209 PMCID: PMC9738274 DOI: 10.3390/cancers14235727] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/24/2022] Open
Abstract
Bone metastasis is a common complication of many types of advanced cancer, including breast cancer. Bone metastasis may cause severe pain, fractures, and hypercalcemia, rendering clinical management challenging and substantially reducing the quality of life and overall survival (OS) time of breast cancer patients. Studies have revealed that bone metastasis is related to interactions between tumor cells and the bone microenvironment, and involves complex molecular biological mechanisms, including colonization, osteolytic destruction, and an immunosuppressive bone microenvironment. Agents inhibiting bone metastasis (such as bisphosphate and denosumab) alleviate bone destruction and improve the quality of life of breast cancer patients with bone metastasis. However, the prognosis of these patients remains poor, and the specific biological mechanism of bone metastasis is incompletely understood. Additional basic and clinical studies are urgently needed, to further explore the mechanism of bone metastasis and develop new therapeutic drugs. This review presents a summary of the molecular mechanisms and therapeutic strategies of bone metastasis of breast cancer, aiming to improve the quality of life and prognosis of breast cancer patients and provide a reference for future research directions.
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Abstract
Osteopetrosis (OPT) is a rare inherited bone disease characterized by a bone resorption defect, due to osteoclast malfunction (in osteoclast-rich, oc-rich, OPT forms) or absence (in oc-poor OPT forms). This causes severe clinical abnormalities, including increased bone density, lack of bone marrow cavity, stunted growth, macrocephaly, progressive deafness, blindness, hepatosplenomegaly, and severe anemia. The oc-poor subtype of OPT is ultra-rare in humans. It is caused by mutations in either the tumor necrosis factor ligand superfamily member 11 (TNFSF11) gene, encoding RANKL (Receptor Activator of Nuclear factor-kappa B [NF-κB] Ligand) which is expressed on cells of mesenchymal origin and lymphocytes, or the TNFRSF member 11A (TNFRSF11A) gene, encoding the RANKL functional receptor RANK which is expressed on cells of myeloid lineage including osteoclasts. Clinical presentation is usually severe with onset in early infancy or in fetal life, although as more patients are reported, expressivity is variable. Phenotypic variability of RANK-deficient OPT sometimes includes hypogammaglobulinemia or radiological features of dysosteosclerosis. Disease progression is somewhat slower in RANKL-deficient OPT than in other 'malignant' subtypes of OPT. While both RANKL and RANK are essential for normal bone turnover, hematopoietic stem cell transplantation (HSCT) is the treatment of choice only for patients with the RANK-deficient form of oc-poor OPT. So far, there is no cure for RANKL-deficient OPT.
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Affiliation(s)
- Cristina Sobacchi
- CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy; Humanitas Research Hospital, via Manzoni 56, 20089 Rozzano, MI, Italy.
| | - Mario Abinun
- Paediatric Haematopoietic Stem Cell Transplant Unit, Great North Children's Hospital, Royal Victoria Infirmary, Queen Victoria Road, Newcastle upon Tyne NE1 4LP, UK; Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE2 4HH, UK
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31
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Tong Z, Chen Z, Li Z, Xie Z, Zhang H. Mechanisms of promoting the differentiation and bone resorption function of osteoclasts by Staphylococcus aureus infection. Int J Med Microbiol 2022; 312:151568. [PMID: 36240531 DOI: 10.1016/j.ijmm.2022.151568] [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: 03/19/2022] [Revised: 08/24/2022] [Accepted: 09/26/2022] [Indexed: 01/18/2023] Open
Abstract
Bone infection is a common and serious complication in the field of orthopedics, which frequently leads to excessive bone destruction and fracture nonunion. Staphylococcus aureus (S. aureus) infection affects bone cell function which, in turn, causes bone destruction. Bone is mainly regulated by osteoblasts and osteoclasts. Osteoclasts are the only cell type with bone resorptive function. Their over-activation is closely associated with excessive bone loss. Understanding how S. aureus changes the functional state of osteoclasts is the key to effective treatment. By reviewing the literature, this paper summarizes several mechanisms of bone destruction caused by S. aureus influencing osteoclasts, thereby stimulating new ideas for the treatment of bone infection.
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Affiliation(s)
- Zelei Tong
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhihao Chen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ziyuan Li
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zonggang Xie
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, China.
| | - Haifang Zhang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, China.
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32
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Şen S, Erber R. Neuronal Guidance Molecules in Bone Remodeling and Orthodontic Tooth Movement. Int J Mol Sci 2022; 23:ijms231710077. [PMID: 36077474 PMCID: PMC9456342 DOI: 10.3390/ijms231710077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/22/2022] Open
Abstract
During orthodontic tooth movement, mechanically induced remodeling occurs in the alveolar bone due to the action of orthodontic forces. The number of factors identified to be involved in mechanically induced bone remodeling is growing steadily. With the uncovering of the functions of neuronal guidance molecules (NGMs) for skeletal development as well as for bone homeostasis, NGMs are now also among the potentially significant factors for the regulation of bone remodeling during orthodontic tooth movement. This narrative review attempts to summarize the functions of NGMs in bone homeostasis and provides insight into the currently sparse literature on the functions of these molecules during orthodontic tooth movement. Presently, four families of NGMs are known: Netrins, Slits, Semaphorins, ephrins and Eph receptors. A search of electronic databases revealed roles in bone homeostasis for representatives from all four NGM families. Functions during orthodontic tooth movement, however, were only identified for Semaphorins, ephrins and Eph receptors. For these, crucial prerequisites for participation in the regulation of orthodontically induced bone remodeling, such as expression in cells of the periodontal ligament and in the alveolar bone, as well as mechanical inducibility, were shown, which suggests that the importance of NGMs in orthodontic tooth movement may be underappreciated to date and further research might be warranted.
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Affiliation(s)
- Sinan Şen
- Department of Orthodontics, University Medical Center Schleswig-Holstein, Campus Kiel, Christian Albrechts University, 24105 Kiel, Germany
- Correspondence: ; Tel.: +49-431-5002-6301
| | - Ralf Erber
- Department of Orthodontics and Dentofacial Orthopedics, University of Heidelberg, Im Neuenheimer Feld 400, 69120 Heidelberg, Germany
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Rodríguez-Trillo A, Pena C, García S, Pérez-Pampín E, Rodríguez-López M, Mera-Varela A, González A, Conde C. ROCK inhibition with Y-27632 reduces joint inflammation and damage in serum-induced arthritis model and decreases in vitro osteoclastogenesis in patients with early arthritis. Front Immunol 2022; 13:858069. [PMID: 36032152 PMCID: PMC9410766 DOI: 10.3389/fimmu.2022.858069] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
Rheumatoid arthritis (RA) is a common chronic inflammatory disease affecting primarily peripheral joints, which is only partially controlled with current treatments. RA leads to pain, disability, deformities, and life expectancy shortening. Its pathogenesis is complex involving multiple cell types and signaling pathways that we incompletely understand. One of the pathways we have elucidated starts with WNT5A signaling and contributes to the aggressive phenotype of the RA synoviocytes through RYK-RhoA/ROCK signaling. Now, we have explored the contribution of ROCK to arthritis in vivo, using the K/BxN serum-transfer arthritis model; and to osteoclastogenesis, using the arthritis model and cells from patients with inflammatory arthritis. The mice and cells were treated with the ROCK inhibitor Y-27632 that caused a significant improvement of arthritis and reduction of osteoclastogenesis. The improvement in mouse arthritis was observed in the clinical evaluation and, histologically, in synovial inflammation, cartilage damage, bone erosion, and the abundance of multinucleated TRAP+ cells. Expression of inflammatory mediators in the arthritic joints, as assessed by real-time PCR, was also significantly reduced. The effect on bone was confirmed with in vitro assays using bone marrow precursors of arthritic mice and peripheral blood monocytes of patients with inflammatory arthritis. These assays showed dramatically reduced osteoclastogenesis and bone resorption. Overall, our findings suggest that ROCK inhibition could be part of a therapeutic strategy for RA by its dual action on inflammation and bone erosion.
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Affiliation(s)
- Angela Rodríguez-Trillo
- Laboratorio de Reumatología Experimental y Observacional y Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Carmen Pena
- Laboratorio de Reumatología Experimental y Observacional y Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Samuel García
- Laboratorio de Reumatología y Enfermedades Inmunomediadas (IRIDIS), Instituto de Investigación Sanitaria Galicia Sur (IIS Galicia Sur), Hospital Álvaro Cunqueiro, Vigo, Spain
| | - Eva Pérez-Pampín
- Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Marina Rodríguez-López
- Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Antonio Mera-Varela
- Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Antonio González
- Laboratorio de Reumatología Experimental y Observacional y Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Carmen Conde
- Laboratorio de Reumatología Experimental y Observacional y Servicio de Reumatología, Instituto de Investigación Sanitaria de Santiago (IDIS), Hospital Clínico Universitario de Santiago de Compostela (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
- *Correspondence: Carmen Conde,
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Tanaka M, Fujii S, Inoue H, Takahashi N, Ishimi Y, Uehara M. (S)-Equol Is More Effective than (R)-Equol in Inhibiting Osteoclast Formation and Enhancing Osteoclast Apoptosis, and Reduces Estrogen Deficiency-Induced Bone Loss in Mice. J Nutr 2022; 152:1831-1842. [PMID: 35675296 DOI: 10.1093/jn/nxac130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/27/2022] [Accepted: 06/01/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Equol, a metabolite of daidzein, binds to the estrogen receptor with greater affinity than daidzein and exhibits various biological properties. It exists as an enantiomer, either (S)-equol or (R)-equol. OBJECTIVES We have previously shown that the inhibitory effect of (S)-equol on bone fragility is stronger than that of racemic equol in ovariectomized (OVX) mice; however, the effect of (R)-equol has not been elucidated. The aim of this study was to compare the activities of equol enantiomers on bone metabolism in vitro and in vivo. METHODS Bone marrow cells (BMCs) and RAW 264.7 cells were treated with equol enantiomers. The number of osteoclasts and caspase-3/7 activity were measured. We examined the effect of equol enantiomers on osteoblast differentiation in MC3T3-E1 cells. In vivo, 8-wk-old female ddY mice were assigned to 4 groups: sham-operated (sham), OVX, OVX + 0.5 mg/d of (S)-equol (S-eq), and OVX + 0.5 mg/d of (R)-equol (R-eq). Four weeks after the intervention, femoral bone mineral density (BMD) and osteoclastic gene expression were analyzed, along with concentrations of equol enantiomers in the serum and tissues. RESULTS (S)-equol and (R)-equol inhibited osteoclast differentiation in BMCs (97% and 60%, P < 0.05) and RAW 264.7 cells (83% and 68%, P < 0.05). (S)-equol promoted apoptosis of mature osteoclasts by inducing caspase-3/7 activity (29%, P < 0.05) and enhanced osteoblast differentiation (29%, P < 0.05). In OVX mice, BMD was ameliorated in (S)-equol-treated mice (11%, P < 0.05), but not in (R)-equol-treated mice. The concentrations of (S)-equol were greater than those of (R)-equol in the serum, tibia, liver, and kidney (by 148%, 80%, 22%, and 139%, respectively). CONCLUSIONS These results suggest that (S)-equol is more effective than (R)-equol in inhibiting osteoclast formation and enhancing osteoclast apoptosis in vitro, supporting the beneficial effect of (S)-equol to reduce estrogen deficiency-induced bone loss in OVX mice.
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Affiliation(s)
- Miori Tanaka
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Shungo Fujii
- Department of Health and Nutrition, Faculty of Human Sciences, Hokkaido Bunkyo University, Eniwa, Japan
| | - Hirofumi Inoue
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Nobuyuki Takahashi
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Yoshiko Ishimi
- Research Institute, Tokyo University of Agriculture, Tokyo, Japan
| | - Mariko Uehara
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
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Henning P, Conaway HH, Lerner UH. Stimulation of osteoclast formation and bone resorption by glucocorticoids: Synergistic interactions with the calcium regulating hormones parathyroid hormone and 1,25(OH) 2-vitamin D3. VITAMINS AND HORMONES 2022; 120:231-270. [PMID: 35953112 DOI: 10.1016/bs.vh.2022.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Osteoporosis is a significant health problem, with skeletal fractures increasing morbidity and mortality. Excess glucocorticoids (GC) represents the leading cause of secondary osteoporosis. The first phase of glucocorticoid-induced osteoporosis is increased bone resorption. In this Chapter, in vitro studies of the direct glucocorticoid receptor (GR) mediated cellular effects of GC on osteoclasts to affect bone resorption and indirect effects on osteoblast lineage cells to increase the RANKL/OPG ratio and stimulate osteoclastogenesis and bone resorption are reviewed in detail, together with detailed descriptions of in vivo effects of GC in different portions of the skeleton in research animals and humans. Brief sections are devoted to contrasting functions of GC in osteonecrosis, vitamin D formation, in vitro and in vivo bone resorptive actions dependent on vitamin D receptor and vitamin D toxicity, as well as the molecular basis of GR action. Included are also more detailed assessments of the interactions of GC with the major calcium regulating hormones, 1,25(OH)2-vitamin D3 and parathyroid hormone, describing the in vitro increases in RANKL/OPG ratios, osteoclastogenesis and synergistic bone resorption that occurs when GC is combined with either 1,25(OH)2-vitamin D3 or parathyroid hormone. Additionally, a molecular basic for the synergistic interaction of GC with 1,25(OH)2-vitamin D3 is provided along with a suggested molecular basic for the interaction between GC and parathyroid hormone.
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Affiliation(s)
- Petra Henning
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - H Herschel Conaway
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, United States
| | - Ulf H Lerner
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Osteoporosis Centre and Centre for Bone and Arthritis Research at the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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36
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Bolamperti S, Villa I, Rubinacci A. Bone remodeling: an operational process ensuring survival and bone mechanical competence. Bone Res 2022; 10:48. [PMID: 35851054 PMCID: PMC9293977 DOI: 10.1038/s41413-022-00219-8] [Citation(s) in RCA: 91] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 05/02/2022] [Accepted: 05/15/2022] [Indexed: 12/12/2022] Open
Abstract
Bone remodeling replaces old and damaged bone with new bone through a sequence of cellular events occurring on the same surface without any change in bone shape. It was initially thought that the basic multicellular unit (BMU) responsible for bone remodeling consists of osteoclasts and osteoblasts functioning through a hierarchical sequence of events organized into distinct stages. However, recent discoveries have indicated that all bone cells participate in BMU formation by interacting both simultaneously and at different differentiation stages with their progenitors, other cells, and bone matrix constituents. Therefore, bone remodeling is currently considered a physiological outcome of continuous cellular operational processes optimized to confer a survival advantage. Bone remodeling defines the primary activities that BMUs need to perform to renew successfully bone structural units. Hence, this review summarizes the current understanding of bone remodeling and future research directions with the aim of providing a clinically relevant biological background with which to identify targets for therapeutic strategies in osteoporosis.
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Affiliation(s)
- Simona Bolamperti
- Osteoporosis and Bone and Mineral Metabolism Unit, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132, Milano, Italy
| | - Isabella Villa
- Osteoporosis and Bone and Mineral Metabolism Unit, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132, Milano, Italy
| | - Alessandro Rubinacci
- Osteoporosis and Bone and Mineral Metabolism Unit, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132, Milano, Italy.
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Peek CT, Ford CA, Eichelberger KR, Jacobse J, Torres TP, Maseda D, Latour YL, Piazuelo MB, Johnson JR, Byndloss MX, Wilson KT, Rathmell JC, Goettel JA, Cassat JE. Intestinal Inflammation Promotes MDL-1 + Osteoclast Precursor Expansion to Trigger Osteoclastogenesis and Bone Loss. Cell Mol Gastroenterol Hepatol 2022; 14:731-750. [PMID: 35835390 PMCID: PMC9420375 DOI: 10.1016/j.jcmgh.2022.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS Inflammatory bowel disease (IBD) is characterized by severe gastrointestinal inflammation, but many patients experience extra-intestinal disease. Bone loss is one common extra-intestinal manifestation of IBD that occurs through dysregulated interactions between osteoclasts and osteoblasts. Systemic inflammation has been postulated to contribute to bone loss, but the specific pathologic mechanisms have not yet been fully elucidated. We hypothesized that intestinal inflammation leads to bone loss through increased abundance and altered function of osteoclast progenitors. METHODS We used chemical, T cell driven, and infectious models of intestinal inflammation to determine the impact of intestinal inflammation on bone volume, the skeletal cytokine environment, and the cellular changes to pre-osteoclast populations within bone marrow. Additionally, we evaluated the potential for monoclonal antibody treatment against an inflammation-induced osteoclast co-receptor, myeloid DNAX activation protein 12-associating lectin-1 (MDL-1) to reduce bone loss during colitis. RESULTS We observed significant bone loss across all models of intestinal inflammation. Bone loss was associated with an increase in pro-osteoclastogenic cytokines within the bone and an expansion of a specific Cd11b-/loLy6Chi osteoclast precursor (OCP) population. Intestinal inflammation led to altered OCP expression of surface receptors involved in osteoclast differentiation and function, including the pro-osteoclastogenic co-receptor MDL-1. OCPs isolated from mice with intestinal inflammation demonstrated enhanced osteoclast differentiation ex vivo compared to controls, which was abrogated by anti-MDL-1 antibody treatment. Importantly, in vivo anti-MDL-1 antibody treatment ameliorated bone loss during intestinal inflammation. CONCLUSIONS Collectively, these data implicate the pathologic expansion and altered function of OCPs expressing MDL-1 in bone loss during IBD.
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Affiliation(s)
- Christopher T. Peek
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Caleb A. Ford
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
| | - Kara R. Eichelberger
- Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Justin Jacobse
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Teresa P. Torres
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Damian Maseda
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Department of Dermatology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Yvonne L. Latour
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - M. Blanca Piazuelo
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee,Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Joshua R. Johnson
- Vanderbilt Center for Bone Biology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Mariana X. Byndloss
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Keith T. Wilson
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee,Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, Tennessee,Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee
| | - Jeffrey C. Rathmell
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee,Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jeremy A. Goettel
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee,Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, Tennessee
| | - James E. Cassat
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee,Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee,Department of Pediatrics, Division of Pediatric Infectious Diseases, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, Tennessee,Center for Mucosal Inflammation and Cancer, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Center for Immunobiology, Vanderbilt University Medical Center, Nashville, Tennessee,Vanderbilt Center for Bone Biology, Vanderbilt University Medical Center, Nashville, Tennessee,Correspondence Address correspondence to: Dr Jim Cassat, Division of Pediatric Infectious Diseases, Department of Pediatrics, Vanderbilt University Medical Center, 1035 Light Hall, 2215-B Garland Ave, Nashville, TN, 37232. tel: (615) 936-6494.
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Lu J, Hu D, Ma C, Shuai B. Advances in Our Understanding of the Mechanism of Action of Drugs (including Traditional Chinese Medicines) for the Intervention and Treatment of Osteoporosis. Front Pharmacol 2022; 13:938447. [PMID: 35774616 PMCID: PMC9237325 DOI: 10.3389/fphar.2022.938447] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 12/12/2022] Open
Abstract
Osteoporosis (OP) is known as a silent disease in which the loss of bone mass and bone density does not cause obvious symptoms, resulting in insufficient treatment and preventive measures. The losses of bone mass and bone density become more severe over time and an only small percentage of patients are diagnosed when OP-related fractures occur. The high disability and mortality rates of OP-related fractures cause great psychological and physical damage and impose a heavy economic burden on individuals and society. Therefore, early intervention and treatment must be emphasized to achieve the overall goal of reducing the fracture risk. Anti-OP drugs are currently divided into three classes: antiresorptive agents, anabolic agents, and drugs with other mechanisms. In this review, research progress related to common anti-OP drugs in these three classes as well as targeted therapies is summarized to help researchers and clinicians understand their mechanisms of action and to promote pharmacological research and novel drug development.
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Ahmadzadeh K, Vanoppen M, Rose CD, Matthys P, Wouters CH. Multinucleated Giant Cells: Current Insights in Phenotype, Biological Activities, and Mechanism of Formation. Front Cell Dev Biol 2022; 10:873226. [PMID: 35478968 PMCID: PMC9035892 DOI: 10.3389/fcell.2022.873226] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/17/2022] [Indexed: 12/21/2022] Open
Abstract
Monocytes and macrophages are innate immune cells with diverse functions ranging from phagocytosis of microorganisms to forming a bridge with the adaptive immune system. A lesser-known attribute of macrophages is their ability to fuse with each other to form multinucleated giant cells. Based on their morphology and functional characteristics, there are in general three types of multinucleated giant cells including osteoclasts, foreign body giant cells and Langhans giant cells. Osteoclasts are bone resorbing cells and under physiological conditions they participate in bone remodeling. However, under pathological conditions such as rheumatoid arthritis and osteoporosis, osteoclasts are responsible for bone destruction and bone loss. Foreign body giant cells and Langhans giant cells appear only under pathological conditions. While foreign body giant cells are found in immune reactions against foreign material, including implants, Langhans giant cells are associated with granulomas in infectious and non-infectious diseases. The functionality and fusion mechanism of osteoclasts are being elucidated, however, our knowledge on the functions of foreign body giant cells and Langhans giant cells is limited. In this review, we describe and compare the phenotypic aspects, biological and functional activities of the three types of multinucleated giant cells. Furthermore, we provide an overview of the multinucleation process and highlight key molecules in the different phases of macrophage fusion.
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Affiliation(s)
- Kourosh Ahmadzadeh
- Laboratory of Immunobiology, Department Microbiology and Immunology, Rega Institute, KU Leuven – University of Leuven, Leuven, Belgium
- *Correspondence: Kourosh Ahmadzadeh, ; Carine Helena Wouters,
| | - Margot Vanoppen
- Laboratory of Immunobiology, Department Microbiology and Immunology, Rega Institute, KU Leuven – University of Leuven, Leuven, Belgium
| | - Carlos D. Rose
- Division of Pediatric Rheumatology Nemours Children’s Hospital, Thomas Jefferson University, Philadelphia, PA, United States
| | - Patrick Matthys
- Laboratory of Immunobiology, Department Microbiology and Immunology, Rega Institute, KU Leuven – University of Leuven, Leuven, Belgium
| | - Carine Helena Wouters
- Laboratory of Immunobiology, Department Microbiology and Immunology, Rega Institute, KU Leuven – University of Leuven, Leuven, Belgium
- Division Pediatric Rheumatology, UZ Leuven, Leuven, Belgium
- European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases (RITA) at University Hospital Leuven, Leuven, Belgium
- *Correspondence: Kourosh Ahmadzadeh, ; Carine Helena Wouters,
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Kim GM, Park H, Lee SY. Roles of osteoclast-associated receptor in rheumatoid arthritis and osteoarthritis. Joint Bone Spine 2022; 89:105400. [DOI: 10.1016/j.jbspin.2022.105400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/03/2022] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
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41
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Nakanishi Y, Kang S, Kumanogoh A. Crosstalk between axon guidance signaling and bone remodeling. Bone 2022; 157:116305. [PMID: 34973495 DOI: 10.1016/j.bone.2021.116305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 01/04/2023]
Abstract
The maintenance of skeletal integrity is tightly regulated by two cell types, bone forming osteoblasts and bone resorbing osteoclasts. Although the role of the nervous system in regulating osteoblasts and osteoclasts was identified over a decade ago, the molecular mechanism of skeletal-neural interactions in bone homeostasis has only been studied recently. In particular, the complex roles of axon guidance molecules, such as semaphorins and ephrins, in the bone have been studied extensively. In this review, we highlight the latest advances in determining the functions of semaphorins and ephrins in the establishment and maintenance of the skeletal system, with a focus on the functional interaction between the skeletal and nervous systems.
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Affiliation(s)
- Yoshimitsu Nakanishi
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita City, Osaka 565-0871, Japan; Department of Immunopathology, Immunology Frontier Research Center, Osaka University, Suita City, Osaka 565-0871, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita City, Osaka 565-0871, Japan
| | - Sujin Kang
- Department of Immune Regulation, Immunology Frontier Research Center, Osaka University, Suita City, Osaka 565-0871, Japan
| | - Atsushi Kumanogoh
- Department of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita City, Osaka 565-0871, Japan; Department of Immunopathology, Immunology Frontier Research Center, Osaka University, Suita City, Osaka 565-0871, Japan; Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita City, Osaka 565-0871, Japan; Center for Infectious Diseases for Education and Research (CiDER), Osaka University, Suita, Osaka 565-0871, Japan.
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Maeda K, Yoshida K, Nishizawa T, Otani K, Yamashita Y, Okabe H, Hadano Y, Kayama T, Kurosaka D, Saito M. Inflammation and Bone Metabolism in Rheumatoid Arthritis: Molecular Mechanisms of Joint Destruction and Pharmacological Treatments. Int J Mol Sci 2022; 23:ijms23052871. [PMID: 35270012 PMCID: PMC8911191 DOI: 10.3390/ijms23052871] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 12/31/2022] Open
Abstract
Rheumatoid arthritis (RA) is an inflammatory disease characterized by a variety of symptoms and pathologies often presenting with polyarthritis. The primary symptom in the initial stage is joint swelling due to synovitis. With disease progression, cartilage and bone are affected to cause joint deformities. Advanced osteoarticular destruction and deformation can cause irreversible physical disabilities. Physical disabilities not only deteriorate patients’ quality of life but also have substantial medical economic effects on society. Therefore, prevention of the progression of osteoarticular destruction and deformation is an important task. Recent studies have progressively improved our understanding of the molecular mechanism by which synovitis caused by immune disorders results in activation of osteoclasts; activated osteoclasts in turn cause bone destruction and para-articular osteoporosis. In this paper, we review the mechanisms of bone metabolism under physiological and RA conditions, and we describe the effects of therapeutic intervention against RA on bone.
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Affiliation(s)
- Kazuhiro Maeda
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
- Correspondence: ; Tel.: +81-3-3433-1111
| | - Ken Yoshida
- Division of Rheumatology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (K.Y.); (K.O.); (D.K.)
| | - Tetsuro Nishizawa
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
| | - Kazuhiro Otani
- Division of Rheumatology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (K.Y.); (K.O.); (D.K.)
| | - Yu Yamashita
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
| | - Hinako Okabe
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
| | - Yuka Hadano
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
| | - Tomohiro Kayama
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
| | - Daitaro Kurosaka
- Division of Rheumatology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (K.Y.); (K.O.); (D.K.)
| | - Mitsuru Saito
- Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan; (T.N.); (Y.Y.); (H.O.); (Y.H.); (T.K.); (M.S.)
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Dou C, Zhen G, Dan Y, Wan M, Limjunyawong N, Cao X. Sialylation of TLR2 initiates osteoclast fusion. Bone Res 2022; 10:24. [PMID: 35232979 PMCID: PMC8888621 DOI: 10.1038/s41413-022-00186-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/23/2021] [Accepted: 09/30/2021] [Indexed: 01/24/2023] Open
Abstract
The molecular control of osteoclast formation is still not clearly elucidated. Here, we show that a process of cell recognition mediated by Siglec15-TLR2 binding is indispensable and occurs prior to cell fusion in RANKL-mediated osteoclastogenesis. Siglec15 has been shown to regulate osteoclastic bone resorption. However, the receptor for Siglec15 has not been identified, and the signaling mechanism involving Siglec15 in osteoclast function remains unclear. We found that Siglec15 bound sialylated TLR2 as its receptor and that the binding of sialylated TLR2 to Siglec15 in macrophages committed to the osteoclast-lineage initiated cell fusion for osteoclast formation, in which sialic acid was transferred by the sialyltransferase ST3Gal1. Interestingly, the expression of Siglec15 in macrophages was activated by M-CSF, whereas ST3Gal1 expression was induced by RANKL. Both Siglec15-specific deletion in macrophages and intrafemoral injection of sialidase abrogated cell recognition and reduced subsequent cell fusion for the formation of osteoclasts, resulting in increased bone formation in mice. Thus, our results reveal that cell recognition mediated by the binding of sialylated TLR2 to Siglec15 initiates cell fusion for osteoclast formation.
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Affiliation(s)
- Ce Dou
- grid.21107.350000 0001 2171 9311Department of Orthopedic Surgery, Institute of Cell Engineering and Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD USA
| | - Gehua Zhen
- grid.21107.350000 0001 2171 9311Department of Orthopedic Surgery, Institute of Cell Engineering and Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD USA
| | - Yang Dan
- grid.21107.350000 0001 2171 9311Department of Orthopedic Surgery, Institute of Cell Engineering and Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD USA
| | - Mei Wan
- grid.21107.350000 0001 2171 9311Department of Orthopedic Surgery, Institute of Cell Engineering and Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD USA
| | - Nathachit Limjunyawong
- grid.21107.350000 0001 2171 9311The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD USA
| | - Xu Cao
- grid.21107.350000 0001 2171 9311Department of Orthopedic Surgery, Institute of Cell Engineering and Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD USA
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Plasmalemmal interface for calcium signaling in osteoclast differentiation. Curr Opin Cell Biol 2022; 74:55-61. [DOI: 10.1016/j.ceb.2022.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/27/2021] [Accepted: 01/03/2022] [Indexed: 11/20/2022]
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Jin X, Li Y, Yang Y, Shen H, Chen J, Xu B, Xu J. Thioacetamide promotes osteoclast transformation of bone marrow macrophages by influencing PI3K/AKT pathways. J Orthop Surg Res 2022; 17:53. [PMID: 35093114 PMCID: PMC8800259 DOI: 10.1186/s13018-022-02938-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 01/12/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Osteoclast cell increase is a major risk factor for osteoporosis and degenerative bone and joint diseases. At present, RANKL and M-CSF are commonly used to induce osteoclastogenesis. Thioacetamide (TAA) can lead to many types of liver and kidney damage, but less attention has been paid to the association of TAA with bone damage. In this work, we investigated the effects of TAA on the osteoclastogenesis and differentiation of bone marrow macrophages (BMMs).
Methods
BMMs of SD rat suckling mice were taken for primary culture. CCK-8 was used to detect the toxic effects of TAA on BMMs, and flow cytometry was used to detect the effects of TAA on the cell cycle, cell viability, apoptosis and intracytoplasmic Ca2+ concentration of BMMs. TRAP staining was used to detect the effect of RANKL and M-CSF and TAA on osteoclast differentiation of BMMs. Western Blot was used to detect the expression level of PI3K/AKT pathway and osteoclast-specific proteins (TRAP and cathepsin K).
Results
The results suggested that TAA inhibited the proliferation of BMMs, while enhancing osteoclastogenesis at 0.5 mg/mL and 1 mg/mL as assayed by TRAP staining. Exposed to TAA, BMMs could differentiate into osteoclast-like cells with overexpression of cathepsin K and TRAP proteins. Western blot results showed that TAA can activate the expression levels of P-PI3K, P-AKT, P-P38, and P-JNK, accompanied by apoptosis of BMMs and increase in intracellular Ca2+.
Conclusion
TAA may induce osteoclast formation in BMMs by activating the expression of PI3K/AKT pathway proteins, which is comparable to the classic osteoclast differentiation inducer RANKL and M-CSF. This suggests that we may find a cheap osteoclast inducer.
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Kitaura H, Marahleh A, Ohori F, Noguchi T, Nara Y, Pramusita A, Kinjo R, Ma J, Kanou K, Mizoguchi I. Role of the Interaction of Tumor Necrosis Factor-α and Tumor Necrosis Factor Receptors 1 and 2 in Bone-Related Cells. Int J Mol Sci 2022; 23:ijms23031481. [PMID: 35163403 PMCID: PMC8835906 DOI: 10.3390/ijms23031481] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 02/04/2023] Open
Abstract
Tumor necrosis factor-α (TNF-α) is a pleiotropic cytokine expressed by macrophages, monocytes, and T cells, and its expression is triggered by the immune system in response to pathogens and their products, such as endotoxins. TNF-α plays an important role in host defense by inducing inflammatory reactions such as phagocytes and cytocidal systems activation. TNF-α also plays an important role in bone metabolism and is associated with inflammatory bone diseases. TNF-α binds to two cell surface receptors, the 55kDa TNF receptor-1 (TNFR1) and the 75kDa TNF receptor-2 (TNFR2). Bone is in a constant state of turnover; it is continuously degraded and built via the process of bone remodeling, which results from the regulated balance between bone-resorbing osteoclasts, bone-forming osteoblasts, and the mechanosensory cell type osteocytes. Precise interactions between these cells maintain skeletal homeostasis. Studies have shown that TNF-α affects bone-related cells via TNFRs. Signaling through either receptor results in different outcomes in different cell types as well as in the same cell type. This review summarizes and discusses current research on the TNF-α and TNFR interaction and its role in bone-related cells.
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Box CD, Cronin O, Hauser B. The Impact of High Dose Glucocorticoids on Bone Health and Fracture Risk in Systemic Vasculitides. Front Endocrinol (Lausanne) 2022; 13:806361. [PMID: 35250864 PMCID: PMC8889574 DOI: 10.3389/fendo.2022.806361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/07/2022] [Indexed: 12/29/2022] Open
Abstract
Systemic vasculitides are a range of conditions characterized by inflammation of blood vessels which may manifest as single organ or life-threatening multisystem disease. The treatment of systemic vasculitis varies depending on the specific disease but historically has involved initial treatment with high dose glucocorticoids alone or in conjunction with other immunosuppressive agents. Prolonged glucocorticoid treatment is frequently required as maintenance treatment. Patients with small and large vessel vasculitis are at increased risk of fracture. Osteoporosis may occur due to intrinsic factors such as chronic inflammation, impaired renal function and to a large extent due to pharmacological therapy with high dose glucocorticoid or combination treatments. This review will outline the known mechanism of bone loss in vasculitis and will summarize factors attributing to fracture risk in different types of vasculitis. Osteoporosis treatment with specific consideration for patients with vasculitis will be discussed. The use of glucocorticoid sparing immunosuppressive agents in the treatment of systemic vasculitis is a significant area of ongoing research. Adjunctive treatments are used to reduce cumulative doses of glucocorticoids and therefore may significantly decrease the associated fracture risk in patients with vasculitis. Lastly, we will highlight the many unknowns in the relation between systemic vasculitis, its treatment and bone health and will outline key research priorities for this field.
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Affiliation(s)
| | - Owen Cronin
- Department of Rheumatology, Bon Secours Hospital Cork, Cork, Ireland
- School of Medicine, College of Medicine and Health, University College Cork, Cork, Ireland
| | - Barbara Hauser
- Rheumatic Disease Unit, Western General Hospital, Edinburgh, United Kingdom
- Rheumatology and Bone Disease Unit, Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
- *Correspondence: Barbara Hauser,
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Ishizuka K. Calcitonin Gene-related Peptide Inhibits Osteoclast Differentiation by Inducing the Negative Regulators <i>MafB</i> and <i>Bcl6</i>. J HARD TISSUE BIOL 2022. [DOI: 10.2485/jhtb.31.87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Kyoko Ishizuka
- Department of Pharmacology, School of Dentistry, Aichi Gakuin University
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Tang Z, Davidson D, Li R, Zhong MC, Qian J, Chen J, Veillette A. Inflammatory macrophages exploit unconventional pro-phagocytic integrins for phagocytosis and anti-tumor immunity. Cell Rep 2021; 37:110111. [PMID: 34910922 DOI: 10.1016/j.celrep.2021.110111] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/14/2021] [Accepted: 11/18/2021] [Indexed: 11/19/2022] Open
Abstract
Blockade of the inhibitory checkpoint SIRPα-CD47 promotes phagocytosis of cancer cells by macrophages and is a promising avenue in anti-cancer therapy. Productive phagocytosis is strictly predicated on co-engagement of pro-phagocytic receptors-namely, Fc receptors (FcRs), integrin CD11b, or SLAMF7-by their ligands on cancer cells. Here, we examine whether additional pro-phagocytic receptors could be harnessed to broaden the scope of phagocytosis. Inflammatory stimuli, including multiple cytokines and Toll-like receptor (TLR) ligands, augment phagocytosis efficiency and fully alleviate the requirement of FcRs, CD11b, and SLAMF7 for phagocytosis. These effects are mediated by the unconventional pro-phagocytic integrins CD11a and CD11c, which act with CD18 to initiate actin polarization, leading to phagocytosis. Some inflammatory stimuli enable phagocytosis even in the absence of SIRPα-CD47 blockade. Higher CD11c expression in macrophage-enriched tumors correlates with improved survival in clinical studies. Thus, inflammatory macrophages exploit unconventional pro-phagocytic integrins for improved phagocytosis and anti-tumor immunity.
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Affiliation(s)
- Zhenghai Tang
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Dominique Davidson
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Rui Li
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Ming-Chao Zhong
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jin Qian
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jun Chen
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China.
| | - André Veillette
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada; Department of Medicine, University of Montréal, Montréal, QC H3C 3J7, Canada.
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Kaifu T, Yabe R, Maruhashi T, Chung SH, Tateno H, Fujikado N, Hirabayashi J, Iwakura Y. DCIR and its ligand asialo-biantennary N-glycan regulate DC function and osteoclastogenesis. J Exp Med 2021; 218:e20210435. [PMID: 34817551 PMCID: PMC8624811 DOI: 10.1084/jem.20210435] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 07/16/2021] [Accepted: 09/23/2021] [Indexed: 11/04/2022] Open
Abstract
Dendritic cell immunoreceptor (DCIR) is a C-type lectin receptor with a carbohydrate recognition domain and an immunoreceptor tyrosine-based inhibitory motif. Previously, we showed that Dcir-/- mice spontaneously develop autoimmune enthesitis and sialadenitis, and also develop metabolic bone abnormalities. However, the ligands for DCIR functionality remain to be elucidated. Here we showed that DCIR is expressed on osteoclasts and DCs and binds to an asialo-biantennary N-glycan(s) (NA2) on bone cells and myeloid cells. Osteoclastogenesis was enhanced in Dcir-/- cells, and NA2 inhibited osteoclastogenesis. Neuraminidase treatment, which exposes excess NA2 by removing the terminal sialic acid of N-glycans, suppressed osteoclastogenesis and DC function. Neuraminidase treatment of mice ameliorated collagen-induced arthritis and experimental autoimmune encephalomyelitis in a DCIR-dependent manner, due to suppression of antigen presentation by DCs. These results suggest that DCIR activity is regulated by the modification of the terminal sialylation of biantennary N-glycans, and this interaction is important for the control of both autoimmune and bone metabolic diseases.
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MESH Headings
- Animals
- Arthritis, Experimental/chemically induced
- Arthritis, Experimental/drug therapy
- Cells, Cultured
- Dendritic Cells/immunology
- Dendritic Cells/physiology
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- HEK293 Cells
- Humans
- Lectins, C-Type/genetics
- Lectins, C-Type/metabolism
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/metabolism
- Mice, Inbred C57BL
- Mice, Mutant Strains
- Mice, Transgenic
- N-Acetylglucosaminyltransferases/genetics
- N-Acetylglucosaminyltransferases/metabolism
- Neuraminidase/metabolism
- Neuraminidase/pharmacology
- Osteoclasts/metabolism
- Osteogenesis/physiology
- Polysaccharides/metabolism
- Receptors, Immunologic/genetics
- Receptors, Immunologic/metabolism
- Mice
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Affiliation(s)
- Tomonori Kaifu
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, Japan
| | - Rikio Yabe
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
| | - Takumi Maruhashi
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
- Japan Society for the Promotion of Science, Tokyo, Japan
| | - Soo-Hyun Chung
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, Japan
| | - Hiroaki Tateno
- Glycan Lectin Engineering Team, Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Noriyuki Fujikado
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, Japan
| | - Jun Hirabayashi
- Glycan Lectin Engineering Team, Research Center for Stem Cell Engineering, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Yoichiro Iwakura
- Center for Animal Disease Models, Research Institution for Biological Sciences, Tokyo University of Science, Yamazaki, Noda, Chiba, Japan
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama, Japan
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