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Chen PJ, Mehta S, Dutra EH, Yadav S. Alendronate treatment rescues the effects of compressive loading of TMJ in osteogenesis imperfecta mice. Prog Orthod 2024; 25:25. [PMID: 39004686 PMCID: PMC11247069 DOI: 10.1186/s40510-024-00526-2] [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: 05/13/2024] [Accepted: 05/21/2024] [Indexed: 07/16/2024] Open
Abstract
BACKGROUND Osteogenesis imperfecta (OI) is a genetic disorder of connective tissue caused by mutations associated with type I collagen, which results in defective extracellular matrix in temporomandibular joint (TMJ) cartilage and subchondral bone. TMJ is a fibrocartilaginous joint expressing type I collagen both in the cartilage and the subchondral bone. In the present study the effects of alendronate and altered loading of the TMJ was analyzed both in male and female OI mice. MATERIALS AND METHODS Forty-eight, 10-weeks-old male and female OI mice were divided into 3 groups: (1) Control group: unloaded group, (2) Saline + Loaded: Saline was injected for 2 weeks and then TMJ of mice was loaded for 5 days, (3) alendronate + loaded: alendronate was injected for 2 weeks and then TMJ of mice was loaded for 5 days. Mice in all the groups were euthanized 24-h after the final loading. RESULTS Alendronate pretreatment led to significant increase in bone volume and tissue density. Histomorphometrically, alendronate treatment led to increase in mineralization, cartilage thickness and proteoglycan distribution. Increased mineralization paralleled decreased osteoclastic activity. Our immunohistochemistry revealed decreased expression of matrix metallopeptidase 13 and ADAM metallopeptidase with thrombospondin type 1 motif 5. CONCLUSION The findings of this research support that alendronate prevented the detrimental effects of loading on the extracellular matrix of the TMJ cartilage and subchondral bone.
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Affiliation(s)
- Po-Jung Chen
- Department of Growth and Development, College of Dentistry, University of Nebraska Medical Center, Lincoln/Omaha, NE, USA.
| | - Shivam Mehta
- Department of Orthodontics, School of Dentistry, Texas A&M University, Dallas, TX, USA
| | - Eliane H Dutra
- Division of Orthodontics, School of Dental Medicine, UConn Health, Farmington, CT, USA
| | - Sumit Yadav
- Department of Growth and Development, College of Dentistry, University of Nebraska Medical Center, Lincoln/Omaha, NE, USA
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2
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Liu X, Zhang Q, Cao Y, Hussain Z, Xu M, Liu Y, Ullah I, Lu Z, Osaka A, Lin J, Pei R. An Injectable Hydrogel Composing Anti-Inflammatory and Osteogenic Therapy toward Bone Erosions Microenvironment Remodeling in Rheumatoid Arthritis. Adv Healthc Mater 2024:e2304668. [PMID: 38925602 DOI: 10.1002/adhm.202304668] [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: 12/29/2023] [Revised: 05/31/2024] [Indexed: 06/28/2024]
Abstract
Healing bone erosions in rheumatoid arthritis (RA) remains greatly challenging via biomaterial strategies. Given the unsuccessful innate bone erosion healing due to an inflammatory disorder, over-activated osteoclasts, and impaired osteoblasts differentiation, RA pathogenesis-guided engineering of an innovative hydrogel platform is needed for remodeling osteoimmune and osteogenic microenvironment of bone erosion healing. Herein, in situ adaptable and injectable interpenetrating polymer network (IPN) hydrogel is developed through an ingenious combination of a bio-orthogonal reaction between hyaluronic acid (HA) and collagen, along with effective electrostatic interactions leveraging bisphosphonate (BP)-functionalized HA macromers (HABP) and nanorod shaped zinc (Zn)-doped biphasic calcium phosphate (ZnBCP). IPN hydrogel exhibits exceptional adaptability to the local shape complexity at bone erosions, and by integrating ZnBCP and HABP, a multi-stage releasing platform is engineered, facilitating controlled cargo delivery for remodeling more anti-inflammatory M2 cells and reducing over-activated osteoclastic activities, thereby reconstructing the bone regeneration microenvironment. Sustainedly co-delivering multiple ions (calcium and phosphate) can display excellent osteogenic properties and be conducive to the bone formation process, by effects of osteogenesis-associated cell differentiation. Overall, the introduced bioactive IPN hydrogel therapy remodels the osteoimmune environment by synergistic pro-inflammation-resolving, osteogenesis, and anti-osteoclastic activities, displaying excellent bone reconstruction in the collagen-induced arthritis rabbit model.
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Affiliation(s)
- Xingzhu Liu
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Qin Zhang
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, P. R. China
| | - Yi Cao
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- Jiangxi Institute of Nanotechnology, Nanchang, 330200, P. R. China
| | - Zahid Hussain
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei, 230026, P. R. China
| | - Mingsheng Xu
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei, 230026, P. R. China
| | - Yuanshan Liu
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei, 230026, P. R. China
| | - Ismat Ullah
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
| | - Zhongzhong Lu
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei, 230026, P. R. China
| | - Akiyoshi Osaka
- School of Materials Science of Engineering, Henan University of Science of Technology, Luoyang, Henan, 471023, P. R. China
- Faculty of Engineering, Okayama University, 3-1-1 Tsushima, Kita-ku, Okayama, 700-8530, Japan
| | - Jun Lin
- Department of Orthopaedics, First Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215006, P. R. China
- Department of Orthopaedics, Fourth Affiliated of Soochow University, Suzhou Dushu Lake Hospital, Medical Center of Soochow University, Suzhou, Jiangsu, 215001, P. R. China
| | - Renjun Pei
- CAS Key Laboratory for Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou, 215123, P. R. China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China (USTC), Hefei, 230026, P. R. China
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3
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Moretti A, Snichelotto F, Liguori S, Paoletta M, Toro G, Gimigliano F, Iolascon G. The challenge of pharmacotherapy for musculoskeletal pain: an overview of unmet needs. Ther Adv Musculoskelet Dis 2024; 16:1759720X241253656. [PMID: 38799611 PMCID: PMC11119417 DOI: 10.1177/1759720x241253656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 04/10/2024] [Indexed: 05/29/2024] Open
Abstract
Musculoskeletal disorders are characterized by several impairments, including pain, affecting muscles, bones, joints and adjacent connective tissue, resulting in temporary or permanent functional limitations and disability. Musculoskeletal pain is particularly prevalent worldwide and greatly impacts the quality of life, social participation and economic burden. To date, several issues persist about the classification of musculoskeletal pain and its management strategies and resources. The treatment of musculoskeletal pain conditions is complex and often requires a multimodal approach, including pharmacological and non-pharmacological therapy that might be ineffective in many cases, resulting in poor patient satisfaction and controversial expectations about the potential benefits of available interventions. This manuscript provides an overview of unmet needs in managing musculoskeletal pain, particularly focusing on pharmacotherapeutic pitfalls in this context.
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Affiliation(s)
- Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples 80138, Italy
| | - Francesco Snichelotto
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Sara Liguori
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Marco Paoletta
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Giuseppe Toro
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Francesca Gimigliano
- Department of Physical and Mental Health and Preventive Medicine, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
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Daponte V, Henke K, Drissi H. Current perspectives on the multiple roles of osteoclasts: Mechanisms of osteoclast-osteoblast communication and potential clinical implications. eLife 2024; 13:e95083. [PMID: 38591777 PMCID: PMC11003748 DOI: 10.7554/elife.95083] [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: 12/14/2023] [Accepted: 03/29/2024] [Indexed: 04/10/2024] Open
Abstract
Bone remodeling is a complex process involving the coordinated actions of osteoblasts and osteoclasts to maintain bone homeostasis. While the influence of osteoblasts on osteoclast differentiation is well established, the reciprocal regulation of osteoblasts by osteoclasts has long remained enigmatic. In the past few years, a fascinating new role for osteoclasts has been unveiled in promoting bone formation and facilitating osteoblast migration to the remodeling sites through a number of different mechanisms, including the release of factors from the bone matrix following bone resorption and direct cell-cell interactions. Additionally, considerable evidence has shown that osteoclasts can secrete coupling factors known as clastokines, emphasizing the crucial role of these cells in maintaining bone homeostasis. Due to their osteoprotective function, clastokines hold great promise as potential therapeutic targets for bone diseases. However, despite long-standing work to uncover new clastokines and their effect in vivo, more substantial efforts are still required to decipher the mechanisms and pathways behind their activity in order to translate them into therapies. This comprehensive review provides insights into our evolving understanding of the osteoclast function, highlights the significance of clastokines in bone remodeling, and explores their potential as treatments for bone diseases suggesting future directions for the field.
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Affiliation(s)
- Valentina Daponte
- Department of Orthopaedics, Emory University School of MedicineAtlantaUnited States
- VA Medical CenterAtlantaUnited States
| | - Katrin Henke
- Department of Orthopaedics, Emory University School of MedicineAtlantaUnited States
| | - Hicham Drissi
- Department of Orthopaedics, Emory University School of MedicineAtlantaUnited States
- VA Medical CenterAtlantaUnited States
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Raiser SN, Schroeder AN, Lawley RJ, Tenforde AS. Bone health and the masters runner. PM R 2024; 16:363-373. [PMID: 38532664 DOI: 10.1002/pmrj.13175] [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: 10/21/2023] [Revised: 02/13/2024] [Accepted: 02/25/2024] [Indexed: 03/28/2024]
Abstract
Masters runners are often defined as those ages 35 years and older who train and compete in running events. These runners represent a growing population of the overall running community and experience running-related injuries including bone stress injuries (BSIs). Similar to younger runners, health considerations in masters runners include the goal to optimize bone health with focus on mitigating age-associated loss of bone strength and preventing BSIs through a combination of ensuring appropriate physical activity, optimizing nutrition, and correcting faulty biomechanics. Importantly, BSIs in masters runners may include characteristics of both overuse injury from insufficient recovery and failure of bone weakened by age-related loss of bone (insufficiency fractures). This narrative review covers the limited available research on strategies to optimize bone health in masters runners. Applying knowledge on masters athletes and extrapolating from other populations, we propose strategies on treatment and prevention of BSIs. Finally, the review highlights gaps in knowledge that require further age-specific discoveries to advance treatment and prevention.
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Affiliation(s)
- Sara N Raiser
- Department of Physical Medicine & Rehabilitation, University of Virginia, Charlottesville, Virginia, USA
| | - Allison N Schroeder
- Department of Orthopedics, University Hospitals and Case Western Reserve University, Cleveland, Ohio, USA
| | - Richard J Lawley
- Department of Physical Medicine & Rehabilitation, Loyola University Medical Center, Maywood, Illinois, USA
| | - Adam S Tenforde
- Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital, Charlestown, Massachusetts, USA
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Guerrero-Ochoa P, Rodríguez-Zapater S, Anel A, Esteban LM, Camón-Fernández A, Espilez-Ortiz R, Gil-Sanz MJ, Borque-Fernando Á. Prostate Cancer and the Mevalonate Pathway. Int J Mol Sci 2024; 25:2152. [PMID: 38396837 PMCID: PMC10888820 DOI: 10.3390/ijms25042152] [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: 01/10/2024] [Revised: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
Antineoplastic therapies for prostate cancer (PCa) have traditionally centered around the androgen receptor (AR) pathway, which has demonstrated a significant role in oncogenesis. Nevertheless, it is becoming progressively apparent that therapeutic strategies must diversify their focus due to the emergence of resistance mechanisms that the tumor employs when subjected to monomolecular treatments. This review illustrates how the dysregulation of the lipid metabolic pathway constitutes a survival strategy adopted by tumors to evade eradication efforts. Integrating this aspect into oncological management could prove valuable in combating PCa.
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Affiliation(s)
- Patricia Guerrero-Ochoa
- Health Research Institute of Aragon Foundation, 50009 Zaragoza, Spain; (P.G.-O.); (A.C.-F.); (R.E.-O.); (M.J.G.-S.)
| | - Sergio Rodríguez-Zapater
- Minimally Invasive Research Group (GITMI), Faculty of Veterinary Medicine, University of Zaragoza, 50009 Zaragoza, Spain;
| | - Alberto Anel
- Department of Biochemistry and Molecular and Cellular Biology, Faculty of Sciences, University of Zaragoza, 50009 Zaragoza, Spain;
| | - Luis Mariano Esteban
- Department of Applied Mathematics, Escuela Universitaria Politécnica de La Almunia, Institute for Biocomputation and Physic of Complex Systems, Universidad de Zaragoza, 50100 La Almunia de Doña Godina, Spain
| | - Alejandro Camón-Fernández
- Health Research Institute of Aragon Foundation, 50009 Zaragoza, Spain; (P.G.-O.); (A.C.-F.); (R.E.-O.); (M.J.G.-S.)
| | - Raquel Espilez-Ortiz
- Health Research Institute of Aragon Foundation, 50009 Zaragoza, Spain; (P.G.-O.); (A.C.-F.); (R.E.-O.); (M.J.G.-S.)
- Department of Urology, Miguel Servet University Hospital, 50009 Zaragoza, Spain
- Area of Urology, Department of Surgery, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
| | - María Jesús Gil-Sanz
- Health Research Institute of Aragon Foundation, 50009 Zaragoza, Spain; (P.G.-O.); (A.C.-F.); (R.E.-O.); (M.J.G.-S.)
- Department of Urology, Miguel Servet University Hospital, 50009 Zaragoza, Spain
| | - Ángel Borque-Fernando
- Health Research Institute of Aragon Foundation, 50009 Zaragoza, Spain; (P.G.-O.); (A.C.-F.); (R.E.-O.); (M.J.G.-S.)
- Department of Applied Mathematics, Escuela Universitaria Politécnica de La Almunia, Institute for Biocomputation and Physic of Complex Systems, Universidad de Zaragoza, 50100 La Almunia de Doña Godina, Spain
- Department of Urology, Miguel Servet University Hospital, 50009 Zaragoza, Spain
- Area of Urology, Department of Surgery, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
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7
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Koo S, Lee EJ, Xiong H, Yun DH, McDonald MM, Park SI, Kim JS. Real-Time Live Imaging of Osteoclast Activation via Cathepsin K Activity in Bone Diseases. Angew Chem Int Ed Engl 2024; 63:e202318459. [PMID: 38105412 DOI: 10.1002/anie.202318459] [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: 12/01/2023] [Revised: 12/15/2023] [Accepted: 12/15/2023] [Indexed: 12/19/2023]
Abstract
Intravital fluorescence imaging of functional osteoclasts within their intact disease context provides valuable insights into the intricate biology at the microscopic level, facilitating the development of therapeutic approaches for osteoclast-associated bone diseases. However, there is a lack of studies investigating osteoclast activity within deep-seated bone lesions using appropriate fluorescent probes, despite the advantages offered by the multi-photon excitation system in enhancing deep tissue imaging resolution. In this study, we report on the intravital tracking of osteoclast activity in three distinct murine bone disease models. We utilized a cathepsin K (CatK)-responsive two-photon fluorogenic probe (CatKP1), which exhibited a notable fluorescence turn-on response in the presence of active CatK. By utilizing CatKP1, we successfully monitored a significant increase in osteoclast activity in hindlimb long bones and its attenuation through pharmacological intervention without sacrificing mice. Thus, our findings highlight the efficacy of CatKP1 as a valuable tool for unraveling pathological osteoclast behavior and exploring novel therapeutic strategies.
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Affiliation(s)
- Seyoung Koo
- Department of Chemistry, Korea University, Seoul, 02841, Korea
- Department of Biomedical and Chemical Sciences, Hyupsung University, Hwaseong, 18330, Korea
| | - Eun Jung Lee
- Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul, 02841, Korea
| | - Hao Xiong
- Department of Chemistry, Korea University, Seoul, 02841, Korea
| | - Da Hyeon Yun
- Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul, 02841, Korea
| | - Michelle M McDonald
- Skeletal Diseases Program, The Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia
- St Vincent's Clinical Campus, School of Clinical Medicine, University of New South Wales, Kensington, NSW, 2052, Australia
- School of Medicine Science, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Serk In Park
- Department of Biochemistry and Molecular Biology, Korea University College of Medicine, Seoul, 02841, Korea
- Vanderbilt Center for Bone Biology, Vanderbilt University School of Medicine, Nashville, TN, 37232, USA
| | - Jong Seung Kim
- Department of Chemistry, Korea University, Seoul, 02841, Korea
- TheranoChem Incorporation, Seoul, 02856, Korea
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Mokhtari RA, Olsson M, Östman PO, Dahlin C. A randomized, multicenter, double-blinded parallel study to evaluate the safety and performance of zoledronate-coated versus uncoated dental implants in partially edentulous patients. Clin Implant Dent Relat Res 2024; 26:78-87. [PMID: 37849436 DOI: 10.1111/cid.13288] [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: 04/03/2023] [Revised: 09/19/2023] [Accepted: 10/03/2023] [Indexed: 10/19/2023]
Abstract
OBJECTIVE To evaluate patient safety, implants survival and implant stability of the bisphosphonate (zoledronate) as a coating on dental implants in patients requiring oral rehabilitation in the posterior maxilla. MATERIALS AND METHODS In this multicenter, double-blind, randomized controlled study, 62 patients were randomized to receive either zoledronate-coated or uncoated control implants in the premolar or molar area of the maxilla, using a one stage-protocol. Due to dropouts and exclusion 49 patients completed the study. The implants were examined by resonance frequency analysis (RFA) using an implant stability quotient (ISQ) scale at the time of insertion, and at 8 weeks, and after 12 weeks prior to prosthetic restoration. Radiographs were taken prior to surgery, directly after insertion, and during the follow-up at 12 weeks, 6 months, and 1 year to analyze changes in marginal bone levels (MBL). Finally, all complications and adverse effects (AE) were observed and recorded. RESULTS Out of 62 included patients, 49 patients completed the study. No AE were reported by patients receiving zoledronate-coated implants. There was no statistically significant difference between the zoledronate-coated or uncoated implant groups when comparing ISQ levels at insertion and after 12 weeks of healing, the mean of the ISQ values demonstrated a change of 4.64 (95% confidence interval: 15.46; 5.79, p = 0.43) between the two groups. At 8- and 12-weeks, ISQ values remained stable (range 62-70). Radiographic analysis showed no statistically significant difference in MBL between the two implant groups after 1 year of loading neither at the mesial side (p = 0.99) or the distal side (p = 0.97). MBL for coated implants were 0.57 mm at the mesial side and 0.46 mm at the distal side. For the uncoated implants, MBL was 0.48 mm at the mesial side and 0.47 mm at the distal side. CONCLUSION The zoledronate-coated dental implants are safe to use in a one-stage surgery protocol in patients requiring oral rehabilitation in the posterior maxilla, after 1 year of loading. There were no statically significant changes in implant stability and marginal bone levels measured by intraoral radiographs in comparison to uncoated control implants.
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Affiliation(s)
- Reza A Mokhtari
- Department of ENT & Oral and Maxillofacial Surgery, Nu-Sjukvården, Trollhättan, Sweden
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Morgan Olsson
- Private Practice of Dental and Oral Surgery, Dingle, Sweden
| | | | - Christer Dahlin
- Department of ENT & Oral and Maxillofacial Surgery, Nu-Sjukvården, Trollhättan, Sweden
- Department of Biomaterials, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Quintão Manhanini Souza E, Felipe Toro L, Franzão Ganzaroli V, de Oliveira Alvarenga Freire J, Matsumoto MA, Casatti CA, Tavares Ângelo Cintra L, Leone Buchaim R, Mardegan Issa JP, Gouveia Garcia V, Theodoro LH, Ervolino E. Peri-implantitis increases the risk of medication-related osteonecrosis of the jaws associated with osseointegrated implants in rats treated with zoledronate. Sci Rep 2024; 14:627. [PMID: 38182598 PMCID: PMC10770413 DOI: 10.1038/s41598-023-49647-4] [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: 07/30/2023] [Accepted: 12/11/2023] [Indexed: 01/07/2024] Open
Abstract
This study evaluated the peri-implant tissues under normal conditions and under the influence of experimental peri-implantitis (EPI) in osseointegrated implants installed in the maxillae of rats treated with oncologic dosage of zoledronate. Twenty-eight senescent female rats underwent the extraction of the upper incisor and placement of a titanium dental implant (DI). After eight weeks was installated a transmucosal healing screw on DI. After nine weeks, the following groups were formed: VEH, ZOL, VEH-EPI and ZOL-EPI. From the 9th until the 19th, VEH and VEH-EPI groups received vehicle and ZOL and ZOL-EPI groups received zoledronate. At the 14th week, a cotton ligature was installed around the DI in VEH-EPI and ZOL-EPI groups to induce the EPI. At the 19th week, euthanasia was performed, and the maxillae were processed so that at the implanted sites were analyzed: histological aspects and the percentage of total bone tissue (PTBT) and non-vital bone tissue (PNVBT), along with TNFα, IL-1β, VEGF, OCN and TRAP immunolabeling. ZOL group presented mild persistent peri-implant inflammation, higher PNVBT and TNFα and IL-1β immunolabeling, but lower for VEGF, OCN and TRAP in comparison with VEH group. ZOL-EPI group exhibited exuberant peri-implant inflammation, higher PNVBT and TNFα and IL-1β immunolabeling when compared with ZOL and VEH-EPI groups. Zoledronate disrupted peri-implant environment, causing mild persistent inflammation and increasing the quantity of non-vital bone tissue. Besides, associated with the EPI there were an exacerbated inflammation and even greater increase in the quantity of non-vital bone around the DI, which makes this condition a risk factor for medication-related osteonecrosis of the jaws.
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Affiliation(s)
| | - Luan Felipe Toro
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Vinícius Franzão Ganzaroli
- Department of Diagnostic and Surgery, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Jéssica de Oliveira Alvarenga Freire
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Mariza Akemi Matsumoto
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Cláudio Aparecido Casatti
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | | | - Rogério Leone Buchaim
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo (USP), Bauru, SP, Brazil
| | - João Paulo Mardegan Issa
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Valdir Gouveia Garcia
- Latin American Institute of Dental Research and Education (ILAPEO), Curitiba, PR, Brazil
| | - Leticia Helena Theodoro
- Department of Diagnostic and Surgery, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil
| | - Edilson Ervolino
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba, SP, Brazil.
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu, SP, Brazil.
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10
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Rodriguez JB, Szajnman SH. An updated review of chemical compounds with anti-Toxoplasma gondii activity. Eur J Med Chem 2023; 262:115885. [PMID: 37871407 DOI: 10.1016/j.ejmech.2023.115885] [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: 08/24/2023] [Revised: 09/30/2023] [Accepted: 10/15/2023] [Indexed: 10/25/2023]
Abstract
The opportunistic apicomplexan parasite Toxoplasma gondii is the etiologic agent for toxoplasmosis, which can infect a widespread range of hosts, particularly humans and warm-blooded animals. The present chemotherapy to treat or prevent toxoplasmosis is deficient and is based on diverse drugs such as atovaquone, trimethoprim, spiramycine, which are effective in acute toxoplasmosis. Therefore, a safe chemotherapy is required for toxoplasmosis considering that its responsible agent, T. gondii, provokes severe illness and death in pregnant women and immunodeficient patients. A certain disadvantage of the available treatments is the lack of effectiveness against the tissue cyst of the parasite. A safe chemotherapy to combat toxoplasmosis should be based on the metabolic differences between the parasite and the mammalian host. This article covers different relevant molecular targets to combat this disease including the isoprenoid pathway (farnesyl diphosphate synthase, squalene synthase), dihydrofolate reductase, calcium-dependent protein kinases, histone deacetylase, mitochondrial electron transport chain, etc.
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Affiliation(s)
- Juan B Rodriguez
- Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina.
| | - Sergio H Szajnman
- Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, C1428EHA, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Unidad de Microanálisis y Métodos Físicos en Química Orgánica (UMYMFOR), C1428EHA, Buenos Aires, Argentina
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11
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Bhattacharyya ND, Kyaw W, McDonald MM, Dhenni R, Grootveld AK, Xiao Y, Chai R, Khoo WH, Danserau LC, Sergio CM, Timpson P, Lee WM, Croucher PI, Phan TG. Minimally invasive longitudinal intravital imaging of cellular dynamics in intact long bone. Nat Protoc 2023; 18:3856-3880. [PMID: 37857852 DOI: 10.1038/s41596-023-00894-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 07/28/2023] [Indexed: 10/21/2023]
Abstract
Intravital two-photon microscopy enables deep-tissue imaging at high temporospatial resolution in live animals. However, the endosteal bone compartment and underlying bone marrow pose unique challenges to optical imaging as light is absorbed, scattered and dispersed by thick mineralized bone matrix and the adipose-rich bone marrow. Early bone intravital imaging methods exploited gaps in the cranial sutures to bypass the need to penetrate through cortical bone. More recently, investigators have developed invasive methods to thin the cortical bone or implant imaging windows to image cellular dynamics in weight-bearing long bones. Here, we provide a step-by-step procedure for the preparation of animals for minimally invasive, nondestructive, longitudinal intravital imaging of the murine tibia. This method involves the use of mixed bone marrow radiation chimeras to unambiguously double-label osteoclasts and osteomorphs. The tibia is exposed by a simple skin incision and an imaging chamber constructed using thermoconductive T-putty. Imaging sessions up to 12 h long can be repeated over multiple timepoints to provide a longitudinal time window into the endosteal and marrow niches. The approach can be used to investigate cellular dynamics in bone remodeling, cancer cell life cycle and hematopoiesis, as well as long-lived humoral and cellular immunity. The procedure requires an hour to complete and is suitable for users with minimal prior expertise in small animal surgery.
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Affiliation(s)
- Nayan Deger Bhattacharyya
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Wunna Kyaw
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Michelle M McDonald
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia
| | - Rama Dhenni
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Abigail K Grootveld
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Ya Xiao
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Ryan Chai
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Weng Hua Khoo
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Linda C Danserau
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
- ACRF INCITe Centre for Intravital Imaging of Niches for Cancer Immune Therapy, Sydney, New South Wales, Australia
| | - C Marcelo Sergio
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Paul Timpson
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
- ACRF INCITe Centre for Intravital Imaging of Niches for Cancer Immune Therapy, Sydney, New South Wales, Australia
| | - Woei Ming Lee
- ACRF INCITe Centre for Intravital Imaging of Niches for Cancer Immune Therapy, Sydney, New South Wales, Australia
- John Curtin School of Medical Research, Australian National University, Canberra, New South Wales, Australia
| | - Peter I Croucher
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
- ACRF INCITe Centre for Intravital Imaging of Niches for Cancer Immune Therapy, Sydney, New South Wales, Australia
| | - Tri Giang Phan
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.
- St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia.
- ACRF INCITe Centre for Intravital Imaging of Niches for Cancer Immune Therapy, Sydney, New South Wales, Australia.
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12
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Martin TJ, Seeman E. Bone Remodeling and Modeling: Cellular Targets for Antiresorptive and Anabolic Treatments, Including Approaches Through the Parathyroid Hormone (PTH)/PTH-Related Protein Pathway. Neurospine 2023; 20:1097-1109. [PMID: 38171279 PMCID: PMC10762382 DOI: 10.14245/ns.2346966.483] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
Bone is continuously in a state of building and renewal, though the process of remodeling that takes place at many sites asynchronously throughout the skeleton, with bone formation and resorption equal at these sites (bone multicellular units). Remodeling takes place on bone surfaces, both on trabeculae and in the cortex, and serves the purposes of replacing old bone or that damaged by microfractures throughout the skeleton. The bone loss and consequent osteoporotic fractures that result from excess resorption over formation have mainly been prevented or treated by antiresorptive drugs that inhibit osteoclast formation and/or activity. Virtually all of the evidence leading to acceptance of antiresorptive drugs as treatment has depended upon their prevention of vertebral fractures. In recent decades, new prospects came of anabolic treatments that partly restore bone volume and microstructure restore bone that has been lost. The first of these was parathyroid hormone (PTH), shown by daily injection to increase markers of bone formation and prevent fractures. This field of interest enlarged with the discovery of PTH-related protein (PTHrP), so closely related in structure and action to PTH. The structural relationship between PTH and PTHrP is important in assessing their physiological and pharmacological roles, with the N-terminal domains of the 2 having virtually equal actions on target cells. Abaloparatide, a peptide analogue based on the structures of PTHrP and PTH, has been approved in some countries as a therapy for osteoporosis. Treatment through the PTH receptor activation pathway, and probably with any anabolic therapy, needs to be followed by antiresorptive treatment in order to maintain bone that has been restored. No matter how effective anabolic therapies for the skeleton become, it seems highly likely that there will be a continuing need for antiresorptive drugs.
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Affiliation(s)
- Thomas John Martin
- Department of Medicine and St. Vincent’s Institute of Medical Research, University of Melbourne, Melbourne, Australia
| | - Ego Seeman
- Department of Endocrinology and Medicine, Austin Health, University of Melbourne, Melbourne, Australia
- Mary MacKillop Institute of Health Research, Australian Catholic University, Melbourne, Australia
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13
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Kuroyanagi G, Hioki T, Tachi J, Matsushima-Nishiwaki R, Iida H, Tokuda H, Kozawa O. Resveratrol inhibits basic fibroblast growth factor-induced macrophage colony-stimulating factor synthesis via the PI3-kinase/Akt pathway in osteoblasts. Biosci Biotechnol Biochem 2023; 87:1462-1469. [PMID: 37709574 DOI: 10.1093/bbb/zbad121] [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: 04/02/2023] [Accepted: 08/19/2023] [Indexed: 09/16/2023]
Abstract
Resveratrol is a natural polyphenol found in grapes and beneficial for human health. Resveratrol regulates basic fibroblast growth factor (bFGF)-induced osteoprotegerin synthesis through Akt pathway in osteoblast-like MC3T3-E1 cells. In this study, we investigated resveratrol effects on bFGF-induced macrophage colony-stimulating factor (M-CSF) synthesis in MC3T3-E1 cells. bFGF significantly stimulated release and mRNA expression of M-CSF, which was reduced by resveratrol and SRT1720, sirtuin 1 (SIRT1) activator. Inauhzin, SIRT1 inhibitor, reversed inhibitory effects of resveratrol on bFGF-induced mRNA expression of M-CSF. Deguelin, Akt inhibitor, and LY294002, phosphatidylinositol 3-kinase (PI3-kinase) inhibitor, reduced bFGF-induced M-CSF synthesis. Inauhzin reversed inhibitory effects of resveratrol on bFGF-induced Akt phosphorylation. Suppressive effect of resveratrol on bFGF-induced osteoprotegerin mRNA expression was confirmed in the identical samples using in experiment of M-CSF mRNA expression. Therefore, resveratrol reduces bFGF-induced M-CSF synthesis in addition to osteoprotegerin synthesis by inhibiting PI3-kinase/Akt pathway and suppressive effects are mediated through SIRT1 activation in osteoblasts.
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Affiliation(s)
- Gen Kuroyanagi
- Department of Orthopedic Surgery, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Metabolic Research, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Tomoyuki Hioki
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Metabolic Research, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
- Department of Dermatology, Central Japan International Medical Center, Minokamo, Gifu, Japan
| | - Junko Tachi
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Rie Matsushima-Nishiwaki
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Metabolic Research, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Hiroki Iida
- Department of Anesthesiology and Pain Medicine, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Haruhiko Tokuda
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Metabolic Research, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
- Department of Clinical Laboratory, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Osamu Kozawa
- Department of Pharmacology, Gifu University Graduate School of Medicine, Gifu, Japan
- Department of Metabolic Research, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
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14
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Pofi R, Caratti G, Ray DW, Tomlinson JW. Treating the Side Effects of Exogenous Glucocorticoids; Can We Separate the Good From the Bad? Endocr Rev 2023; 44:975-1011. [PMID: 37253115 PMCID: PMC10638606 DOI: 10.1210/endrev/bnad016] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/25/2023] [Accepted: 05/26/2023] [Indexed: 06/01/2023]
Abstract
It is estimated that 2% to 3% of the population are currently prescribed systemic or topical glucocorticoid treatment. The potent anti-inflammatory action of glucocorticoids to deliver therapeutic benefit is not in doubt. However, the side effects associated with their use, including central weight gain, hypertension, insulin resistance, type 2 diabetes (T2D), and osteoporosis, often collectively termed iatrogenic Cushing's syndrome, are associated with a significant health and economic burden. The precise cellular mechanisms underpinning the differential action of glucocorticoids to drive the desirable and undesirable effects are still not completely understood. Faced with the unmet clinical need to limit glucocorticoid-induced adverse effects alongside ensuring the preservation of anti-inflammatory actions, several strategies have been pursued. The coprescription of existing licensed drugs to treat incident adverse effects can be effective, but data examining the prevention of adverse effects are limited. Novel selective glucocorticoid receptor agonists and selective glucocorticoid receptor modulators have been designed that aim to specifically and selectively activate anti-inflammatory responses based upon their interaction with the glucocorticoid receptor. Several of these compounds are currently in clinical trials to evaluate their efficacy. More recently, strategies exploiting tissue-specific glucocorticoid metabolism through the isoforms of 11β-hydroxysteroid dehydrogenase has shown early potential, although data from clinical trials are limited. The aim of any treatment is to maximize benefit while minimizing risk, and within this review we define the adverse effect profile associated with glucocorticoid use and evaluate current and developing strategies that aim to limit side effects but preserve desirable therapeutic efficacy.
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Affiliation(s)
- Riccardo Pofi
- Oxford Centre for Diabetes, Endocrinology and Metabolism, NIHR Oxford Biomedical Research Centre, University of Oxford, Churchill Hospital, Oxford OX3 7LE, UK
| | - Giorgio Caratti
- Oxford Centre for Diabetes, Endocrinology and Metabolism, NIHR Oxford Biomedical Research Centre, University of Oxford, Churchill Hospital, Oxford OX3 7LE, UK
| | - David W Ray
- Oxford Centre for Diabetes, Endocrinology and Metabolism, NIHR Oxford Biomedical Research Centre, University of Oxford, Churchill Hospital, Oxford OX3 7LE, UK
- NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford OX3 9DU, UK
- Oxford Kavli Centre for Nanoscience Discovery, University of Oxford, Oxford OX37LE, UK
| | - Jeremy W Tomlinson
- Oxford Centre for Diabetes, Endocrinology and Metabolism, NIHR Oxford Biomedical Research Centre, University of Oxford, Churchill Hospital, Oxford OX3 7LE, UK
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15
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Maia CA, Chaves HGDS, Benetti F, de Menezes GB, Antunes MM, Pinto KP, Silva EJNL, Sobrinho APR, Tavares WLF. Zoledronic Acid Modulates Cytokine Expression and Mitigates Bone Loss during the Development of Induced Apical Periodontitis in a Mice Model. J Endod 2023; 49:1522-1528. [PMID: 37633518 DOI: 10.1016/j.joen.2023.08.010] [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: 05/31/2023] [Revised: 07/31/2023] [Accepted: 08/20/2023] [Indexed: 08/28/2023]
Abstract
INTRODUCTION Bisphosphonates are antiresorptive drugs used worldwide to treat systemic bone pathologies. This study aimed to assess the impact of zoledronic acid on the progression of induced apical periodontitis and the expression of cytokines interleukin (IL)-1β, IL-10, IL-6, and tumor necrosis factor alpha (TNF-α) in a mouse model. METHODS Sixteen female isogenic BALB/c mice 6 weeks of age were distributed into 2 groups: mice with induced apical periodontitis (the AP group, n = 8) and mice with induced apical periodontitis treated with zoledronic acid (the AP-ZA group, n = 8). The AP-ZA group received a dose of 125 μg/kg zoledronic acid diluted in sterile saline solution administered intraperitoneally once a week for 4 weeks before pulp exposure, whereas the AP group received only saline solution. Pulp exposures were performed on the maxillary first molars for the induction of apical periodontitis, and mice were euthanized after 7 and 21 days. The jaws were collected; scanned using micro-computed tomographic imaging; and processed for polymerase chain reaction analysis of IL-1β, IL-10, IL-6, and TNF-α. The Student t test was performed for parametric data, and Mann-Whitney U tests were used for nonparametric data. The level of significance was set at 5%. RESULTS Micro-computed tomographic imaging revealed higher bone resorption in the AP group compared with the AP-ZA group at both time points (P < .05). Real-time polymerase chain reaction demonstrated higher TNF-α expression in the AP group at both time points and higher IL-6 and IL-1β expression in the AP group at the 7- and 21-day time points, respectively, compared with the AP-ZA group (P < .05). No differences were observed regarding IL-10 expression between the groups. CONCLUSIONS Zoledronic acid had significant anti-inflammatory and antiresorptive effects on apical periodontitis in mice.
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Affiliation(s)
- Caroline Andrade Maia
- School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Francine Benetti
- School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Maísa Mota Antunes
- School of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Karem Paula Pinto
- School of Dentistry, Rio de Janeiro State University, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Emmanuel João Nogueira Leal Silva
- School of Dentistry, Rio de Janeiro State University, Rio de Janeiro, Rio de Janeiro, Brazil; Grande Rio University, Duque de Caxias, Rio de Janeiro, Brazil.
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Ling Z, Aini H, Kajikawa S, Shirakawa J, Tsuji K, Asou Y, Koga H, Sekiya I, Nifuji A, Noda M, Ezura Y. Osteolytic Bone Loss and Skeletal Deformities in a Mouse Model for Early-Onset Paget's Disease of Bone with PFN1 Mutation Are Treatable by Alendronate. Pharmaceuticals (Basel) 2023; 16:1395. [PMID: 37895866 PMCID: PMC10610320 DOI: 10.3390/ph16101395] [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: 08/31/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 10/29/2023] Open
Abstract
A novel osteolytic disorder due to PFN1 mutation was discovered recently as early-onset Paget's disease of bone (PDB). Bone loss and pain in adult PDB patients have been treated using bisphosphonates. However, therapeutic strategies for this specific disorder have not been established. Here, we evaluated the efficiency of alendronate (ALN) on a mutant mouse line, recapitulating this disorder. Five-week-old conditional osteoclast-specific Pfn1-deficient mice (Pfn1-cKOOCL) and control littermates (33 females and 22 males) were injected with ALN (0.1 mg/kg) or vehicle twice weekly until 8 weeks of age. After euthanizing, bone histomorphometric parameters and skeletal deformities were analyzed using 3D μCT images and histological sections. Three weeks of ALN administration significantly improved bone mass at the distal femur, L3 vertebra, and nose in Pfn1-cKOOCL mice. Histologically increased osteoclasts with expanded distribution in the distal femur were normalized in these mice. Geometric bone shape analysis revealed a partial recovery from the distal femur deformity. A therapeutic dose of ALN from 5 to 8 weeks of age significantly improved systemic bone loss in Pfn1-cKOOCL mice and femoral bone deformity. Our study suggests that preventive treatment of bony deformity in early-onset PDB is feasible.
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Affiliation(s)
- Zhu Ling
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University (TMDU), Tokyo 170-8455, Japan; (Z.L.)
| | - Hailati Aini
- Department of Nano-Bioscience, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
| | - Shuhei Kajikawa
- Department of Veterinary Medicine, Okayama University of Science, Imabari 794-8555, Japan
| | - Jumpei Shirakawa
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Miyazaki, Kiyotake, Miyazaki 889-1692, Japan
| | - Kunikazu Tsuji
- Department of Nano-Bioscience, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
| | - Yoshinori Asou
- Department of Nano-Bioscience, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University (TMDU), Tokyo 170-8455, Japan; (Z.L.)
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
| | - Akira Nifuji
- Department of Pharmacology, Tsurumi University School of Dental Medicine, Tsurumi, Yokohama 230-8501, Japan
| | - Masaki Noda
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), Tokyo 113-8510, Japan
| | - Yoichi Ezura
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University (TMDU), Tokyo 170-8455, Japan; (Z.L.)
- Faculty of Occupational Therapy, Teikyo Heisei University, Tokyo 170-8445, Japan
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Coco-Martín MB, Leal-Vega L, Blázquez-Cabrera JA, Navarro A, Moro MJ, Arranz-García F, Amérigo MJ, Sosa-Henríquez M, Vázquez MÁ, Montoya MJ, Díaz-Curiel M, Olmos JM, Ruiz-Mambrilla M, Filgueira-Rubio J, Pérez-Castrillón JL. Influence of non-osteoporotic treatments in patients on active anti-osteoporotic therapy: evidence from the OSTEOMED registry. Eur J Clin Pharmacol 2023; 79:1333-1339. [PMID: 37515605 PMCID: PMC10501932 DOI: 10.1007/s00228-023-03544-x] [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: 09/26/2022] [Accepted: 07/21/2023] [Indexed: 07/31/2023]
Abstract
PURPOSE To evaluate the effect of different non-osteoporotic drugs on the increase or decrease in the risk of incident fragility fractures (vertebral, humerus or hip) in a cohort of patients diagnosed with osteoporosis on active anti-osteoporotic therapy. METHODS For this retrospective longitudinal study, baseline and follow-up data on prescribed non-osteoporotic treatments and the occurrence of vertebral, humerus or hip fractures in 993 patients from the OSTEOMED registry were analyzed using logistic regression models. The drugs evaluated with a possible beneficial effect were thiazides and statins, while the drugs evaluated with a possible harmful effect were antiandrogens, aromatase inhibitors, proton pump inhibitors, selective serotonin reuptake inhibitors, benzodiazepines, GnRH agonists, thyroid hormones, and oral and inhaled corticosteroids. RESULTS Logistic regression analyses indicated that no treatment significantly improved fracture risk, with the only treatments that significantly worsened fracture risk being letrozole (OR = 0.18, p-value = 0.03) and oral corticosteroids at doses ≤ 5 mg/day (OR = 0.16, p-value = 0.03) and > 5 mg/day (OR = 0.27, p-value = 0.04). CONCLUSION The potential beneficial or detrimental effects of the different drugs evaluated on fracture risk are masked by treatment with anabolic or antiresorptive drugs that have a more potent action on bone metabolism, with two exceptions: letrozole and oral corticosteroids. These findings may have important clinical implications, as patients receiving these treatments are not fully protected by bisphosphonates, which may imply the need for more potent anti-osteoporotic drugs such as denosumab or teriparatide.
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Affiliation(s)
- María Begoña Coco-Martín
- Group of Applied Clinical Neurosciences and Advanced Data Analysis, Department of Medicine, Dermatology and Toxicology, University of Valladolid, Valladolid, Spain
| | - Luis Leal-Vega
- Group of Applied Clinical Neurosciences and Advanced Data Analysis, Department of Medicine, Dermatology and Toxicology, University of Valladolid, Valladolid, Spain.
| | | | - Amalia Navarro
- Department of Internal Medicine, Hospital General Universitario de Albacete, Albacete, Spain
| | - María Jesús Moro
- Department of Internal Medicine, Hospital Universitario Infanta Leonor, Madrid, Spain
| | | | - María José Amérigo
- Department of Internal Medicine, Hospital Clínico San Carlos, Madrid, Spain
| | - Manuel Sosa-Henríquez
- Department of Internal Medicine, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, Las Palmas, Spain
| | | | | | | | - José Manuel Olmos
- Department of Internal Medicine, Hospital Universitario Marqués de Valdecilla, Cantabria, Spain
| | - Marta Ruiz-Mambrilla
- Unit of Speech and Language Therapy, Department of Surgery, Ophthalmology, Otorhinolaryngology and Physical Therapy, University of Valladolid, Valladolid, Spain
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18
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Kundert DN, Tavassol F, Kampmann A, Gellrich NC, Lindhorst D, Precht MM, Schumann P. Alendronate reduces periosteal microperfusion in vivo. Heliyon 2023; 9:e19468. [PMID: 37681156 PMCID: PMC10481298 DOI: 10.1016/j.heliyon.2023.e19468] [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: 08/02/2022] [Revised: 08/11/2023] [Accepted: 08/23/2023] [Indexed: 09/09/2023] Open
Abstract
Objectives Bisphosphonates are known to induce a severe adverse effect known as medication-related osteonecrosis of the jaw (MRONJ). Previous studies have proven the impact of bisphosphonates on microperfusion; therefore, this study aimed to investigate alendronate-induced microcirculatory reactions in the calvarial periosteum of rats. Study design Bone chambers were implanted into 48 Lewis rats. Microhemodynamics, inflammatory parameters, functional capillary density and defect healing were examined after alendronate treatment for two and six weeks using repetitive intravital fluorescence microscopy for two weeks. Results Microhemodynamics remained unchanged. In alendronate-treated rats, inflammation was slightly increased, functional capillary density was significantly reduced (day 10: controls 100.45 ± 5.38 cm/cm2, two weeks alendronate treatment 44.77 ± 3.55 cm/cm2, six weeks alendronate treatment 27.54 ± 2.23 cm/cm2) and defect healing was decelerated. The changes in functional capillary density and defect healing were dose-dependent. Conclusion The bisphosphonate alendronate has a significant negative impact on periosteal microperfusion in vivo. This could be a promising target for the treatment of MRONJ.
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Affiliation(s)
- Danielle N. Kundert
- Division of Cranio-Maxillo-Facial and Oral Surgery, University Hospital Zurich, University of Zurich, Frauenklinikstrasse 24, 8091, Zürich, Switzerland
| | - Frank Tavassol
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Andreas Kampmann
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Nils-Claudius Gellrich
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Daniel Lindhorst
- Kieferchirurgie-Zentrum-Hamburg, Lerchenfeld 14, 22081, Hamburg, Germany
| | - Marc M. Precht
- Division of Cranio-Maxillo-Facial and Oral Surgery, University Hospital Zurich, University of Zurich, Frauenklinikstrasse 24, 8091, Zürich, Switzerland
| | - Paul Schumann
- Division of Cranio-Maxillo-Facial and Oral Surgery, University Hospital Zurich, University of Zurich, Frauenklinikstrasse 24, 8091, Zürich, Switzerland
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19
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Muñoz-Garcia J, Heymann D, Giurgea I, Legendre M, Amselem S, Castañeda B, Lézot F, William Vargas-Franco J. Pharmacological options in the treatment of osteogenesis imperfecta: A comprehensive review of clinical and potential alternatives. Biochem Pharmacol 2023; 213:115584. [PMID: 37148979 DOI: 10.1016/j.bcp.2023.115584] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/08/2023]
Abstract
Osteogenesis imperfecta (OI) is a genetically heterogeneous connective tissue disorder characterized by bone fragility and different extra-skeletal manifestations. The severity of these manifestations makes it possible to classify OI into different subtypes based on the main clinical features. This review aims to outline and describe the current pharmacological alternatives for treating OI, grounded on clinical and preclinical reports, such as antiresorptive agents, anabolic agents, growth hormone, and anti-TGFβ antibody, among other less used agents. The different options and their pharmacokinetic and pharmacodynamic properties will be reviewed and discussed, focusing on the variability of their response and the molecular mechanisms involved to attain the main clinical goals, which include decreasing fracture incidence, improving pain, and promoting growth, mobility, and functional independence.
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Affiliation(s)
- Javier Muñoz-Garcia
- Institut de Cancérologie de l'Ouest, Saint-Herblain, F-44805, France; Nantes Université, CNRS, US2B, UMR 6286, Nantes F-44322, France
| | - Dominique Heymann
- Institut de Cancérologie de l'Ouest, Saint-Herblain, F-44805, France; Nantes Université, CNRS, US2B, UMR 6286, Nantes F-44322, France; Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, UK
| | - Irina Giurgea
- Sorbonne Université, INSERM UMR933, Hôpital Trousseau (AP-HP), Paris F-75012, France
| | - Marie Legendre
- Sorbonne Université, INSERM UMR933, Hôpital Trousseau (AP-HP), Paris F-75012, France
| | - Serge Amselem
- Sorbonne Université, INSERM UMR933, Hôpital Trousseau (AP-HP), Paris F-75012, France
| | - Beatriz Castañeda
- Service d'Orthopédie Dento-Facial, Département d'Odontologie, Hôpital Pitié-Salpêtrière (AP-HP), Paris F75013, France
| | - Frédéric Lézot
- Sorbonne Université, INSERM UMR933, Hôpital Trousseau (AP-HP), Paris F-75012, France.
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20
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Jung J, Park JS, Chun J, Al-Nawas B, Ziebart T, Kwon YD. Geranylgeraniol Application in Human Osteoblasts and Osteoclasts for Reversal of the Effect of Bisphosphonates. Life (Basel) 2023; 13:1353. [PMID: 37374134 DOI: 10.3390/life13061353] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Nitrogen-containing bisphosphonates lead to the depletion of geranylgeranyl pyrophosphate involved in the mevalonate pathway. The effect of geranylgeraniol (GGOH) on human osteoblast and osteoclast activities suppressed by zoledronate was investigated in this study. The effect of GGOH on human osteoblasts and osteoclasts subjected to treatment with zoledronate was analyzed by assessing cell viability, osteoclast differentiation, resorption ability, gene expression, and protein synthesis. Cell viability suppressed by bisphosphonates in osteoblasts and osteoprogenitor cells was restored with GGOH. Osteoclast differentiation was analyzed by vitronectin receptor immunofluorescence staining, and the addition of GGOH to zoledronate significantly increased osteoclast differentiation compared with zoledronate alone. A trend of reversal of osteoclast resorption by GGOH was observed; however, it was not significant in all groups. The expression of ALP, type 1 collagen, and RUNX2 in osteoblasts was recovered by the addition of GGOH. Only CALCR expression in osteoclasts was significantly recovered by GGOH addition in the zoledronate group. Although the activities of osteoblasts and osteoclasts were not entirely restored, the possibility that the topical application of GGOH in MRONJ patients or patients with dental problems and bisphosphonates might lessen the risk of development and recurrence of MRONJ is shown.
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Affiliation(s)
- Junho Jung
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jung Soo Park
- Department of Periodontology, Korea University Anam Hospital, Seoul 02841, Republic of Korea
| | - Jeewan Chun
- Department of Dentistry, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Bilal Al-Nawas
- Department of Oral and Maxillofacial Surgery, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany
| | - Thomas Ziebart
- Department of Oral and Maxillofacial Surgery, University Hospital Giessen and Marburg of the Philipps University of Marburg, 35043 Marburg, Germany
| | - Yong-Dae Kwon
- Department of Oral & Maxillofacial Surgery, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
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21
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Shi X, Mai Y, Fang X, Wang Z, Xue S, Chen H, Dang Q, Wang X, Tang S, Ding C, Zhu Z. Bone marrow lesions in osteoarthritis: From basic science to clinical implications. Bone Rep 2023; 18:101667. [PMID: 36909666 PMCID: PMC9996250 DOI: 10.1016/j.bonr.2023.101667] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 02/19/2023] [Accepted: 02/23/2023] [Indexed: 02/27/2023] Open
Abstract
Osteoarthritis (OA) is the most prevalent musculoskeletal disease characterized by multiple joint structure damages, including articular cartilage, subchondral bone and synovium, resulting in disability and economic burden. Bone marrow lesions (BMLs) are common and important magnetic resonance imaging (MRI) features in OA patients. Basic and clinical research on subchondral BMLs in the pathogenesis of OA has been a hotspot. New evidence shows that subchondral bone degeneration, including BML and angiogenesis, occurs not only at or after cartilage degeneration, but even earlier than cartilage degeneration. Although BMLs are recognized as important biomarkers for OA, their exact roles in the pathogenesis of OA are still unclear, and disputes about the clinical impact and treatment of BMLs remain. This review summarizes the current basic and clinical research progress of BMLs. We particularly focus on molecular pathways, cellular abnormalities and microenvironmental changes of subchondral bone that contributed to the formation of BMLs, and emphasize the crosstalk between subchondral bone and cartilage in OA development. Finally, potential therapeutic strategies targeting BMLs in OA are discussed, which provides novel strategies for OA treatment.
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Affiliation(s)
- Xiaorui Shi
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yiying Mai
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiaofeng Fang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiqiang Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Song Xue
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Haowei Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qin Dang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoshuai Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Su'an Tang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China.,Department of Orthopedics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China
| | - Zhaohua Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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22
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Frieling JS, Tordesillas L, Bustos XE, Ramello MC, Bishop RT, Cianne JE, Snedal SA, Li T, Lo CH, de la Iglesia J, Roselli E, Benzaïd I, Wang X, Kim Y, Lynch CC, Abate-Daga D. γδ-Enriched CAR-T cell therapy for bone metastatic castrate-resistant prostate cancer. SCIENCE ADVANCES 2023; 9:eadf0108. [PMID: 37134157 PMCID: PMC10156127 DOI: 10.1126/sciadv.adf0108] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 03/27/2023] [Indexed: 05/05/2023]
Abstract
Immune checkpoint blockade has been largely unsuccessful for the treatment of bone metastatic castrate-resistant prostate cancer (mCRPC). Here, we report a combinatorial strategy to treat mCRPC using γδ-enriched chimeric antigen receptor (CAR) T cells and zoledronate (ZOL). In a preclinical murine model of bone mCRPC, γδ CAR-T cells targeting prostate stem cell antigen (PSCA) induced a rapid and significant regression of established tumors, combined with increased survival and reduced cancer-associated bone disease. Pretreatment with ZOL, a U.S. Food and Drug Administration-approved bisphosphonate prescribed to mitigate pathological fracture in mCRPC patients, resulted in CAR-independent activation of γδ CAR-T cells, increased cytokine secretion, and enhanced antitumor efficacy. These data show that the activity of the endogenous Vγ9Vδ2 T cell receptor is preserved in CAR-T cells, allowing for dual-receptor recognition of tumor cells. Collectively, our findings support the use of γδ CAR-T cell therapy for mCRPC treatment.
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Affiliation(s)
- Jeremy S. Frieling
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Leticia Tordesillas
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Xiomar E. Bustos
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Maria Cecilia Ramello
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Ryan T. Bishop
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Junior E. Cianne
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Sebastian A. Snedal
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Tao Li
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Chen Hao Lo
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Janis de la Iglesia
- Department of Pathology Research, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Emiliano Roselli
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Ismahène Benzaïd
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Xuefeng Wang
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Youngchul Kim
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Conor C. Lynch
- Department of Tumor Biology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
| | - Daniel Abate-Daga
- Department of Immunology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA
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23
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Kuehn S, Scariot R, Elsalanty M. Medication-Related Osteonecrosis: Why the Jawbone? Dent J (Basel) 2023; 11:109. [PMID: 37232760 PMCID: PMC10217310 DOI: 10.3390/dj11050109] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/09/2023] [Accepted: 04/17/2023] [Indexed: 05/27/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) has emerged as a complication of anti-resorptive medications. Despite its low incidence rate, this problem has gained attention in recent years due to its devastating consequences and lack of preventive strategy. The fact that MRONJ incidence has been exclusive to the jawbones, despite the systemic effect of anti-resorptive medications, could be a starting point to unravel the multifactorial pathogenesis of this condition. This review aims to negotiate the question of why the jawbone is more susceptible to MRONJ than other skeletal sites. Approaching the problem from this perspective could provide new directions for the prevention of MRONJ and expand our understanding of the unique oral microenvironment.
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Affiliation(s)
- Sydney Kuehn
- Department of Medical Anatomical Sciences, College of Osteopathic Medicine of the Pacific, Pomona, CA 91766, USA
| | - Rafaela Scariot
- Department of Oral and Maxillofacial Surgery, Federal Technological University of Paraná, Curitiba 80230-901, Brazil
| | - Mohammed Elsalanty
- Department of Medical Anatomical Sciences, College of Osteopathic Medicine of the Pacific, Pomona, CA 91766, USA
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24
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Chen ZH, Wu JJ, Guo DY, Li YY, Chen MN, Zhang ZY, Yuan ZD, Zhang KW, Chen WW, Tian F, Ye JX, Li X, Yuan FL. Physiological functions of podosomes: From structure and function to therapy implications in osteoclast biology of bone resorption. Ageing Res Rev 2023; 85:101842. [PMID: 36621647 DOI: 10.1016/j.arr.2023.101842] [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: 08/30/2022] [Revised: 12/09/2022] [Accepted: 01/03/2023] [Indexed: 01/07/2023]
Abstract
With increasing age, bone tissue undergoes significant alterations in composition, architecture, and metabolic functions, probably causing senile osteoporosis. Osteoporosis possess the vast majority of bone disease and associates with a reduction in bone mass and increased fracture risk. Bone loss is on account of the disorder in osteoblast-induced bone formation and osteoclast-induced bone resorption. As a unique bone resorptive cell type, mature bone-resorbing osteoclasts exhibit dynamic actin-based cytoskeletal structures called podosomes that participate in cell-matrix adhesions specialized in the degradation of mineralized bone matrix. Podosomes share many of the same molecular constitutions as focal adhesions, but they have a unique structural organization, with a central core abundant in F-actin and encircled by scaffolding proteins, kinases and integrins. Here, we conclude recent advancements in our knowledge of the architecture and the functions of podosomes. We also discuss the regulatory pathways in osteoclast podosomes, providing a reference for future research on the podosomes of osteoclasts and considering podosomes as a therapeutic target for inhibiting bone resorption.
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Affiliation(s)
- Zhong-Hua Chen
- Affiliated Hospital 3 of Nantong University, Nantong University, Jiangsu, China
| | - Jun-Jie Wu
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Dan-Yang Guo
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Yue-Yue Li
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Meng-Nan Chen
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Zhen-Yu Zhang
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Zheng-Dong Yuan
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Kai-Wen Zhang
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Wei-Wei Chen
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Fan Tian
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Jun-Xing Ye
- Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China
| | - Xia Li
- Affiliated Hospital 3 of Nantong University, Nantong University, Jiangsu, China; Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China.
| | - Feng-Lai Yuan
- Affiliated Hospital 3 of Nantong University, Nantong University, Jiangsu, China; Institute of Integrated Chinese and Western Medicine, Affiliated Hospital of Jiangnan University, Jiangsu, China.
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25
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Nitrogen-Containing Bisphosphonates Downregulate Cathepsin K and Upregulate Annexin V in Osteoclasts Cultured In Vitro. Int J Dent 2023; 2023:2960941. [PMID: 36866025 PMCID: PMC9974278 DOI: 10.1155/2023/2960941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/12/2023] [Accepted: 01/19/2023] [Indexed: 02/23/2023] Open
Abstract
Introduction Bisphosphonates are widely used in the treatment of osteoporosis; however, they are associated with the serious adverse event of bisphosphonate-related osteonecrosis of the jaw (BRONJ). Aim The aim of this study is to assess the effects of nitrogen-containing bisphosphonates (N-PHs) on the synthesis of IL-1β, TNF-α, sRANKL, cathepsin K, and annexin V in bone cells cultured in vitro. Materials and Methods Osteoblasts and bone marrow-derived osteoclasts were cultured in vitro, subjected to treatment with alendronate, risedronate, or ibandronate at a concentration of 10-5 M for 0 to 96 h and then assayed for IL-1β, sRANKL, and TNF-α production by ELISA. Cathepsin K and Annexin V-FITC staining in osteoclasts were assessed by flow cytometry. Results There was significant downregulation of IL-1β, sRANKL, and TNF-α in experimental osteoblasts compared to control cells, and there was upregulation of IL-1β and downregulation of RANKL and TNF-α in experimental osteoclasts. Furthermore, in osteoclasts, cathepsin K expression was downregulated at 48-72 h with alendronate treatment, while risedronate treatment resulted in upregulated annexin V expression at 48 h compared to the control treatment. Conclusion Bisphosphonates added to bone cells inhibited osteoclastogenesis, which led to the downregulation of cathepsin K and induction of apoptosis in osteoclasts; these changes limited the capacity of bone remodelling and healing that may contribute to BRONJ induced by surgical dental procedures.
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26
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Gao J, Liu X, Wu X, Li X, Liu J, Li M. A brief review and clinical evidences of teriparatide therapy for atypical femoral fractures associated with long-term bisphosphonate treatment. Front Surg 2023; 9:1063170. [PMID: 36684309 PMCID: PMC9852062 DOI: 10.3389/fsurg.2022.1063170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/07/2022] [Indexed: 01/07/2023] Open
Abstract
The risk of bisphosphonate (BP)-associated atypical femur fracture (AFF) has markedly increased over recent decades due to suppression of bone turnover, accumulation of structural micro-damage and reduction of bone remodeling consequent to long-term BP treatment. These medications further delay bone union and result in challenging clinical management. Teriparatide (TPTD), a synthetic human parathyroid hormone, exhibits unique anabolic effects and can increase bone remodeling and improve bone microarchitecture, further promoting fracture healing and reducing the rate of bone non-union. In this study, we briefly define AFF as well as the effects of BPs on AFFs, detailed the role of TPTD in AFF management and the latest clinical therapeutic findings. We have confirmed that TPTD positively promotes the healing of AFFs by reducing the time to bone union and likelihood of non-union. Thus, teriparatide therapy could be considered as an alternative treatment for AFFs, however, further research is required for the establishment of effective clinical guidelines of TPTD use in the management of AFF.
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Affiliation(s)
- Jianpeng Gao
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Xiao Liu
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China
| | - Xiaoyong Wu
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China
| | - Xiaoya Li
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China
| | - Jianheng Liu
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China,Correspondence: Ming Li Jianheng Liu
| | - Ming Li
- Department of Orthopaedics, Chinese PLA General Hospital, Beijing, China,National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing, China,Correspondence: Ming Li Jianheng Liu
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27
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Rojek T, Ślepokura K, Kinzhybalo V, Duczmal M, Wojciechowska A, Matczak-Jon E. Synthesis, structural, spectroscopic and magnetic studies of tetranuclear Ni(II) and Co(II) clusters based on cyclobutyl and cyclopentyl-substituted analogues of zoledronic acid. Polyhedron 2023. [DOI: 10.1016/j.poly.2023.116301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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28
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Effectiveness of antimicrobial photodynamic therapy mediated by butyl toluidine blue in preventing medication-related osteonecrosis of the jaws in rats. Photodiagnosis Photodyn Ther 2022; 40:103172. [PMID: 36283616 DOI: 10.1016/j.pdpdt.2022.103172] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Medication-related osteonecrosis of the jaws (MRONJ) is difficult to treat, therefore, prevention would be the ideal clinical approach. This study evaluated the effectiveness of antimicrobial photodynamic therapy (aPDT), mediated by butyl toluidine blue (BuTB) in the prevention of MRONJ-like lesions after tooth extraction in rats. METHODS Twenty-eight senescent female rats were distributed in groups: VEH and VEH-aPDT, treated with vehicle, ZOL and ZOL-aPDT, treated with 100 µg/Kg of zoledronate, both treatments every three days over seven weeks. After three weeks from the commencement of treatment, the mandibular first molar was extracted. For the VEH and ZOL groups, no local treatment was performed, while with the VEH-aPDT and ZOL-aPDT groups, photodynamic treatment was carried out at 0, 2, and 4 days after extraction. For aPDT, 500μl of BuTB solution was deposited on the dental extraction site (0.5 mg/ml; 60 s), followed by irradiation with low-level laser (InGaAIP; 660 nm; 35 mW; 74.2 J/cm²; 60 s). After 28 postoperative days, euthanasia was performed. The hemimandibles were processed to: (1) histological analysis of tissue repair; (2) histometric analysis of the percentage of newly formed bone tissue (PNFBT) and percentage of non-vital bone tissue (PNVBT); (3) immunohistochemical analysis for tartrate-resistant acid phosphatase (TRAP). RESULTS The ZOL and ZOL-aPDT groups showed less TRAP-positive cells when compared with VEH and VEH-aPDT. The ZOL group demonstrated great compromise in the tissue repair process, consistent with MRONJ-like lesions. VEH, VEH-aPDT and ZOL-aPDT presented a favorable tissue repair process. PNFBT in the ZOL group was lower than in the VEH, VEH-aPDT and ZOL-aPDT groups, whereas PNVBT in the ZOL group was higher than in the VEH, VEH-aPDT and ZOL-aPDT groups. CONCLUSION aPDT mediated by BuTB prevented the occurrence of MRONJ-like lesions after tooth extraction in rats.
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29
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Qi G, Jiang Z, Lu W, Li D, Chen W, Yang X, Ding L, Yuan H. Berbamine inhibits RANKL- and M-CSF-mediated osteoclastogenesis and alleviates ovariectomy-induced bone loss. Front Pharmacol 2022; 13:1032866. [PMID: 36408260 PMCID: PMC9666778 DOI: 10.3389/fphar.2022.1032866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 10/21/2022] [Indexed: 10/06/2023] Open
Abstract
Osteoporosis is a common public health problem characterized by decreased bone mass, increased bone brittleness and damage to the bone microstructure. Excessive bone resorption by osteoclasts is the main target of the currently used drugs or treatment for osteoporosis. Effective antiresorptive drugs without side effects following long-term administration have become a major focus of anti-osteoporotic drugs. In the present study, we investigated the effect of berbamine, a small molecule natural product from Berberis amurensis Rupr, a traditional Chinese medicine, on RANKL-induced osteoclast differentiation in vitro and ovariectomy-induced bone loss in vivo. The results demonstrated that berbamine at a safe and effective dose inhibited osteoclastogenesis and bone resorption function in vitro by suppressing the nuclear factor-κB signaling pathway. In addition, berbamine protected against osteoporosis by inhibiting osteoclastogenesis and bone resorption function without affecting osteogenesis in the ovariectomy mouse model. These findings revealed that berbamine has a protective role against osteoporosis and may represent a novel promising treatment strategy for osteoporosis.
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Affiliation(s)
- Guobin Qi
- Department of Orthopaedics, Shanghai Sixth People’s Hospital, Shanghai, China
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zengxin Jiang
- Department of Orthopaedics, Shanghai Sixth People’s Hospital, Shanghai, China
| | - Wei Lu
- Department of Orthopedic Surgery, Shanghai TCM-Integrated Hospital Shanghai University of TCM, Shanghai, China
| | - Defang Li
- Department of Orthopedic Surgery, Jinshan Hospital, Fudan University, Shanghai, China
| | - Weibing Chen
- Department of Orthopedic Surgery, Jinshan Hospital, Fudan University, Shanghai, China
| | - Xiuying Yang
- Department of Radiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Lei Ding
- Department of Orthopedic Surgery, Jinshan Hospital, Fudan University, Shanghai, China
| | - Hengfeng Yuan
- Department of Orthopaedics, Shanghai Sixth People’s Hospital, Shanghai, China
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30
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Jolic M, Sharma S, Palmquist A, Shah FA. The impact of medication on osseointegration and implant anchorage in bone determined using removal torque-A review. Heliyon 2022; 8:e10844. [PMID: 36276721 PMCID: PMC9582727 DOI: 10.1016/j.heliyon.2022.e10844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/16/2022] [Accepted: 09/26/2022] [Indexed: 11/06/2022] Open
Abstract
Permanently anchored metal implants are frequently used in dental, craniomaxillofacial, and orthopaedic rehabilitation. The success of such therapies is owed to the phenomenon of osseointegration—the direct connection between the living bone and the implant. The extent of biomechanical anchorage (i.e., physical interlocking between the implant and bone) can be assessed with removal torque (RTQ) measurement. Implant anchorage is strongly influenced by underlying bone quality, involving physicochemical and biological properties such as composition and structural organisation of extracellular matrix, extent of micro-damage, and bone turnover. In this review, we evaluated the impact of various pharmacological agents on osseointegration, from animal experiments conducting RTQ measurements. In addition to substances whose antiresorptive and/or anti-catabolic effects on bone are well-documented (e.g., alendronate, zoledronate, ibandronate, raloxifene, human parathyroid hormone, odanacatib, and the sclerostin monoclonal antibody), positive effects on RTQ have been reported for substances that do not primarily target bone (e.g., aminoguanidine, insulin, losartan, simvastatin, bone morphogenetic protein, alpha-tocopherol, and the combination of silk fibroin powder and platelet-rich fibrin). On the contrary, several substances (e.g., prednisolone, cyclosporin A, cisplatin, and enamel matrix derivative) tend to adversely impact RTQ. While morphometric parameters such as bone-implant contact appear to influence the biomechanical anchorage, increased or decreased RTQ is not always accompanied by corresponding fluctuations in bone-implant contact. This further confirms that factors such as bone quality underpin biomechanical anchorage of metal implants. Several fundamental questions on drug metabolism and bioavailability, drug dosage, animal-to-human translation, and the consequences of treatment interruption remain yet unanswered. Effects of pharmacological agents on osseointegration of metal implants are reviewed. Removal torque is considered as an objective measure of osseointegration. Most investigated anabolic agents are alendronate, zoledronate, and ibandronate. hPTH has a positive effect while cyclosporin A and cisplatin have negative effects. Correction of underlying systemic disorders leads to improved osseointegration.
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Basha G, Cottle AG, Pretheeban T, Chan KY, Witzigmann D, Young RN, Rossi FM, Cullis PR. Lipid nanoparticle-mediated silencing of osteogenic suppressor GNAS leads to osteogenic differentiation of mesenchymal stem cells in vivo. Mol Ther 2022; 30:3034-3051. [PMID: 35733339 PMCID: PMC9481989 DOI: 10.1016/j.ymthe.2022.06.012] [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: 10/15/2021] [Revised: 05/09/2022] [Accepted: 06/17/2022] [Indexed: 11/21/2022] Open
Abstract
Approved drugs for the treatment of osteoporosis can prevent further bone loss but do not stimulate bone formation. Approaches that improve bone density in metabolic diseases are needed. Therapies that take advantage of the ability of mesenchymal stem cells (MSCs) to differentiate into various osteogenic lineages to treat bone disorders are of particular interest. Here we examine the ability of small interfering RNA (siRNA) to enhance osteoblast differentiation and bone formation by silencing the negative suppressor gene GNAS in bone MSCs. Using clinically validated lipid nanoparticle (LNP) siRNA delivery systems, we show that silencing the suppressor gene GNAS in vitro in MSCs leads to molecular and phenotypic changes similar to those seen in osteoblasts. Further, we demonstrate that these LNP-siRNAs can transfect a large proportion of mice MSCs in the compact bone following intravenous injection. Transfection of MSCs in various animal models led to silencing of GNAS and enhanced differentiation of MSCs into osteoblasts. These data demonstrate the potential for LNP delivery of siRNA to enhance the differentiation of MSCs into osteoblasts, and suggests that they are a promising approach for the treatment of osteoporosis and other bone diseases.
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Affiliation(s)
- Genc Basha
- NanoMedicines Research Group, Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada.
| | - Andrew G Cottle
- NanoMedicines Research Group, Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Thavaneetharajah Pretheeban
- School of Biomedical Engineering and Department of Medical Genetics, Biomedical Research Centre University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Karen Yt Chan
- NanoMedicines Research Group, Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Dominik Witzigmann
- NanoMedicines Research Group, Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada; NanoMedicines Innovation Network (NMIN), University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Robert N Young
- Department of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada
| | - Fabio Mv Rossi
- School of Biomedical Engineering and Department of Medical Genetics, Biomedical Research Centre University of British Columbia, 2222 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada
| | - Pieter R Cullis
- NanoMedicines Research Group, Department of Biochemistry and Molecular Biology, Life Sciences Institute, University of British Columbia, 2350 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada; NanoMedicines Innovation Network (NMIN), University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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Chronic Pain after Bone Fracture: Current Insights into Molecular Mechanisms and Therapeutic Strategies. Brain Sci 2022; 12:brainsci12081056. [PMID: 36009119 PMCID: PMC9406150 DOI: 10.3390/brainsci12081056] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/20/2022] [Accepted: 08/06/2022] [Indexed: 12/12/2022] Open
Abstract
Bone fracture following traumatic injury or due to osteoporosis is characterized by severe pain and motor impairment and is a major cause of global mortality and disability. Fracture pain often originates from mechanical distortion of somatosensory nerve terminals innervating bones and muscles and is maintained by central sensitization. Chronic fracture pain (CFP) after orthopedic repairs is considered one of the most critical contributors to interference with the physical rehabilitation and musculoskeletal functional recovery. Analgesics available for CFP in clinics not only have poor curative potency but also have considerable side effects; therefore, it is important to further explore the pathogenesis of CFP and identify safe and effective therapies. The typical physiopathological characteristics of CFP are a neuroinflammatory response and excitatory synaptic plasticity, but the specific molecular mechanisms involved remain poorly elucidated. Recent progress has deepened our understanding of the emerging properties of chemokine production, proinflammatory mediator secretion, caspase activation, neurotransmitter release, and neuron-glia interaction in initiating and sustaining synaptogenesis, synaptic strength, and signal transduction in central pain sensitization, indicating the possibility of targeting neuroinflammation to prevent and treat CFP. This review summarizes current literature on the excitatory synaptic plasticity, microgliosis, and microglial activation-associated signaling molecules and discusses the unconventional modulation of caspases and stimulator of interferon genes (STING) in the pathophysiology of CFP. We also review the mechanisms of action of analgesics in the clinic and their side effects as well as promising therapeutic candidates (e.g., specialized pro-resolving mediators, a caspase-6 inhibitor, and a STING agonist) for pain relief by the attenuation of neuroinflammation with the aim of better managing patients undergoing CFP in the clinical setting.
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PT-112 Induces Mitochondrial Stress and Immunogenic Cell Death, Targeting Tumor Cells with Mitochondrial Deficiencies. Cancers (Basel) 2022; 14:cancers14163851. [PMID: 36010843 PMCID: PMC9405950 DOI: 10.3390/cancers14163851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/01/2022] [Accepted: 08/03/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary PT-112 is a novel pyrophosphate–platinum conjugate under Phase 1/2 clinical development for the treatment of several tumor types. In this study, using mouse tumor cells with well-characterized mitochondrial and metabolic status, we investigated the mechanisms underlying PT-112’s cancer cell death effects. Our results showed that cells with defective mitochondria were more sensitive to PT-112 when compared to cells with normal mitochondrial function. Moreover, PT-112 induced tumor cell death in those sensitive cells through non-conventional mechanisms, including increased mitochondrial stress, free radical generation and immunogenic cell death, a form of cell death that elicits an immune response. Taken together, the present findings suggest the potential for predictors of PT-112 sensitivity in the clinical setting on the basis of metabolic function. Abstract PT-112 is a novel pyrophosphate–platinum conjugate, with clinical activity reported in advanced pretreated solid tumors. While PT-112 has been shown to induce robust immunogenic cell death (ICD) in vivo but only minimally bind DNA, the molecular mechanism underlying PT-112 target disruption in cancer cells is still under elucidation. The murine L929 in vitro system was used to test whether differential metabolic status alters PT-112’s effects, including cell cytotoxicity. The results showed that tumor cells presenting mutations in mitochondrial DNA (mtDNA) (L929dt and L929dt cybrid cells) and reliant on glycolysis for survival were more sensitive to cell death induced by PT-112 compared to the parental and cybrid cells with an intact oxidative phosphorylation (OXPHOS) pathway (L929 and dtL929 cybrid cells). The type of cell death induced by PT-112 did not follow the classical apoptotic pathway: the general caspase inhibitor Z-VAD-fmk did not inhibit PT-112-induced cell death, alone or in combination with the necroptosis inhibitor necrostatin-1. Interestingly, PT-112 initiated autophagy in all cell lines, though this process was not complete. Autophagy is known to be associated with an integrated stress response in cancer cells and with subsequent ICD. PT-112 also induced a massive accumulation of mitochondrial reactive oxygen species, as well as changes in mitochondrial polarization—only in the sensitive cells harboring mitochondrial dysfunction—along with calreticulin cell-surface exposure consistent with ICD. PT-112 substantially reduced the amount of mitochondrial CoQ10 in L929 cells, while the basal CoQ10 levels were below our detection limits in L929dt cells, suggesting a potential relationship between a low basal level of CoQ10 and PT-112 sensitivity. Finally, the expression of HIF-1α was much higher in cells sensitive to PT-112 compared to cells with an intact OXPHOS pathway, suggesting potential clinical applications.
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Ma SZ, Chen HX, Liang ZD, Qi XS. Risk factors for Barrett's esophagus: Recent advances. Shijie Huaren Xiaohua Zazhi 2022; 30:605-613. [DOI: 10.11569/wcjd.v30.i14.605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Esophageal adenocarcinoma (EAC) is the most common malignant tumor of the esophagus in the West. During the past few decades, its morbidity has been increasing in China. Barrett's esophagus (BE) is defined as the replacement of normal squamous epithelium in the lower esophagus by metaplasia of columnar epithelium. BE is closely related to the occurrence of EAC. Knowledge regarding the risk factors for the occurrence and development of BE is of great significance for early screening and diagnosis of BE and prevention of EAC. In this paper, we review the clinical, demographics-related, lifestyle-related, and medications-related risk factors for BE to provide more valuable scientific evidence for the prevention and treatment of BE.
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Affiliation(s)
- Shao-Ze Ma
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China,Graduate School of Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Hong-Xin Chen
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China,Graduate School of Liaoning University of Traditional Chinese Medicine, Shenyang 110031, Liaoning Province, China
| | - Zhen-Dong Liang
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
| | - Xing-Shun Qi
- Department of Gastroenterology, General Hospital of Northern Theater Command, Shenyang 110840, Liaoning Province, China
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Krout JC, Rees AB, Goldin AN, Moran CP, Graham TB, Lawrenz JM, Halpern JL, Schwartz HS, Holt GE. Chronic Recurrent Multifocal Osteomyelitis: A Review of the Noninfectious Inflammatory Bone Disease and Lessons for More Timely Diagnosis. Orthopedics 2022; 46:e149-e155. [PMID: 35876774 DOI: 10.3928/01477447-20220719-08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Chronic recurrent multifocal osteomyelitis (CRMO) is an idiopathic autoinflammatory disease of the bone that typically occurs in children and adolescents. CRMO is characterized by recurrent periods of exacerbation and remission of symptomatic, osteolytic/sclerotic sterile bone lesions and is often a diagnosis of exclusion. Treatment consists of multimodal anti-inflammatory medication management by rheumatology and rarely involves surgery. This review summarizes the clinical presentation, pathophysiology, diagnosis, and management of this disease and highlights the role of the orthopedic surgeon. With increased familiarity with CRMO, clinicians will be able to diagnose and treat the condition in a more timely manner. [Orthopedics. 202x;4x(x):xx-xx.].
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Vergara-Hernandez FB, Nielsen BD, Colbath AC. Is the Use of Bisphosphonates Putting Horses at Risk? An Osteoclast Perspective. Animals (Basel) 2022; 12:ani12131722. [PMID: 35804621 PMCID: PMC9265010 DOI: 10.3390/ani12131722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/26/2022] [Accepted: 07/01/2022] [Indexed: 12/03/2022] Open
Abstract
Simple Summary Bisphosphonates are a group of drugs that intervene in the bone resorption process, producing cellular death of osteoclasts. These drugs are used for skeletal conditions, such as osteoporosis in humans, and are available for veterinary medical use. Clodronate and tiludronate are bisphosphonates approved for the treatment of navicular syndrome in horses over four years old. However, these drugs are sometimes used in juvenile animals under exercise, where osteoclast activity is higher. Bisphosphonate use in juvenile and/or exercising animals could have adverse effects, including maladaptation to exercise or accumulation of microdamage. Furthermore, bisphosphonates can be bound to the skeleton for several years, resulting in a prolonged effect with no pharmaceutical reversal available. This review presents an overview of osteoclast function and a review of bisphosphonate characteristics, mechanisms of action, and side effects in order to contextualize the potential for adverse/side effects in young or exercising animals. Abstract Osteoclasts are unique and vital bone cells involved in bone turnover. These cells are active throughout the individual’s life and play an intricate role in growth and remodeling. However, extra-label bisphosphonate use may impair osteoclast function, which could result in skeletal microdamage and impaired healing without commonly associated pain, affecting bone remodeling, fracture healing, and growth. These effects could be heightened when administered to growing and exercising animals. Bisphosphonates (BPs) are unevenly distributed in the skeleton; blood supply and bone turnover rate determine BPs uptake in bone. Currently, there is a critical gap in scientific knowledge surrounding the biological impacts of BP use in exercising animals under two years old. This may have significant welfare ramifications for growing and exercising equids. Therefore, future research should investigate the effects of these drugs on skeletally immature horses.
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Affiliation(s)
- Fernando B. Vergara-Hernandez
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln, East Lansing, MI 48824, USA; (F.B.V.-H.); (B.D.N.)
| | - Brian D. Nielsen
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln, East Lansing, MI 48824, USA; (F.B.V.-H.); (B.D.N.)
| | - Aimee C. Colbath
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, 736 Wilson Ave, East Lansing, MI 48864, USA
- Correspondence:
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Wang Q, Wang H, Yan H, Tian H, Wang Y, Yu W, Dai Z, Chen P, Liu Z, Tang R, Jiang C, Fan S, Liu X, Lin X. Suppression of osteoclast multinucleation via a posttranscriptional regulation-based spatiotemporally selective delivery system. SCIENCE ADVANCES 2022; 8:eabn3333. [PMID: 35767605 PMCID: PMC9242458 DOI: 10.1126/sciadv.abn3333] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Redundancy of multinucleated mature osteoclasts, which results from the excessive fusion of mononucleated preosteoclasts (pOCs), leads to osteolytic diseases such as osteoporosis. Unfortunately, the currently available clinical drugs completely inhibit osteoclasts, thus interfering with normal physiological bone turnover. pOC-specific regulation may be more suitable for maintaining bone homeostasis. Here, circBBS9, a previously unidentified circular RNA, was found to exert regulatory effects via the circBBS9/miR-423-3p/Traf6 axis in pOCs. To overcome the long-standing challenge of spatiotemporal RNA delivery to cells, we constructed biomimetic nanoparticles to achieve the pOC-specific targeted delivery of circBBS9. pOC membranes (POCMs) were extracted to camouflage cationic polymer for RNA interference with circBBS9 (POCM-NPs@siRNA/shRNAcircBBS9). POCM-NPs endowed the nanocarriers with improved stability, accurate pOC targeting, fusogenic uptake, and reactive oxygen species-responsive release. In summary, our findings may provide an alternative strategy for multinucleated cell-related diseases that involves restriction of mononucleated cell multinucleation through a spatiotemporally selective delivery system.
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Affiliation(s)
- Qingqing Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Haoli Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Huige Yan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Hongsen Tian
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Yining Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Wei Yu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Zhanqiu Dai
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Pengfei Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Zhaoming Liu
- Department of Chemistry and Center for Biomaterials and Biopathways, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Ruikang Tang
- Department of Chemistry and Center for Biomaterials and Biopathways, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Chao Jiang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
| | - Shunwu Fan
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
- Corresponding author. (S.F.); (X.L.); (X.L.)
| | - Xin Liu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
- Corresponding author. (S.F.); (X.L.); (X.L.)
| | - Xianfeng Lin
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Medical College of Zhejiang University, Hangzhou, Zhejiang 310016, China
- Key Laboratory of Musculoskeletal System Degeneration and Regeneration Translational Research of Zhejiang Province, Hangzhou, Zhejiang 310016, China
- Corresponding author. (S.F.); (X.L.); (X.L.)
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Moradinejad M, Yazdi M, Mard SA, Razavi SM, Shamohammadi M, Shahsanaei F, Rakhshan V. Efficacy of the systemic co-administration of vitamin D3 in reversing the inhibitory effects of sodium alendronate on orthodontic tooth movement: A preliminary experimental animal study. Am J Orthod Dentofacial Orthop 2022; 162:e17-e27. [PMID: 35501223 DOI: 10.1016/j.ajodo.2021.11.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 11/11/2021] [Accepted: 11/11/2021] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Bisphosphonates can severely slow down orthodontic tooth movement (OTM) by reducing bone turnover. This calls for materials and methods to reverse or neutralize their effects on OTM. We propose systemic vitamin D3 (D3) for this purpose. METHODS Thirty-two male Wistar rats were randomized into 4 groups of 8 each. Three groups were administered D3 (3 systemic doses of 24,000 IU/kg each), alendronate (ALN) (5 doses of 7 mg/kg each), and ALN+D3 (same doses as mentioned above). One group served as the negative control. The incisors were distalized at 30 g of force for 2 weeks. OTMs were measured blindly. Radicular pressure areas were searched histologically (blindly) for capillaries, Howship's lacunae, osteoclasts, and osteoblasts. Data were analyzed statistically (α = 0.05, α = 0.0083, β <0.1). RESULTS OTMs in the groups D3, ALN+D3, ALN, and control were 1.900 ± 0.237, 1.629 ± 0.219, 0.975 ± 0.145, and 1.565 ± 0.324 mm (analysis of variance, P <0.001), respectively. OTM in the ALN group was smaller than all other groups (Tukey, P <0.001). OTM in the D3 group was greater than in the control group (P = 0.054). The ALN+D3 group had greater OTM than the ALN group (P <0.001) but was not significantly different from the D3 (P = 0.153) or control (P = 0.951) groups. All histologic variables were significantly different across groups (Kruskal-Wallis, P <0.001). All the markers in the D3 group were more frequent than those of the other groups (Mann-Whitney U, P <0.001). There were fewer markers in the ALN group than in the control group (P ≤0.001). The ALN+D3 group had more markers than the ALN group in terms of capillaries, osteoclasts, and osteoblasts (P ≤0.007). The ALN+D3 group was similar to the control group regarding capillaries, osteoclasts, and osteoblasts (P ≥0.382). CONCLUSIONS Systemic vitamin D3 may accelerate OTM and increase histologic biomarkers of bone turnover. ALN reduces OTM and its histologic biomarkers. Systemic vitamin D3 can reverse this inhibitory effect of ALN on OTM back to normal.
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Affiliation(s)
- Mehrnaz Moradinejad
- Department of Orthodontics, Dental School, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Marzie Yazdi
- Department of Orthodontics, Dental School, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Seyed Ali Mard
- Alimentary Tract Research Center, Clinical Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Mohammad Razavi
- Department of Oral and Maxillofacial Pathology, Implant Dental Research Center, Dental School, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Milad Shamohammadi
- Department of Orthodontics, School of Dentistry, Shahed University, Tehran, Iran
| | - Fatemeh Shahsanaei
- Department of Statistics, Shohadaye Hoveizeh, Campus of Technology, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Nguyen THV, Yekwa E, Selisko B, Canard B, Alvarez K, Ferron F. Inhibition of Arenaviridae nucleoprotein exonuclease by bisphosphonate. IUCRJ 2022; 9:468-479. [PMID: 35844481 PMCID: PMC9252148 DOI: 10.1107/s2052252522005061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Arenaviruses are emerging enveloped negative-sense RNA viruses that cause neurological and hemorrhagic diseases in humans. Currently, no FDA-approved vaccine or therapeutic agent is available except for ribavirin, which must be administered early during infection for optimum efficacy. A hallmark of arenavirus infection is rapid and efficient immune suppression mediated by the exonuclease domain encoded by the nucleoprotein. This exonuclease is therefore an attractive target for the design of novel antiviral drugs since exonuclease inhibitors might not only have a direct effect on the enzyme but could also boost viral clearance through stimulation of the innate immune system of the host cell. Here, in silico screening and an enzymatic assay were used to identify a novel, specific but weak inhibitor of the arenavirus exonuclease, with IC50 values of 65.9 and 68.6 µM for Mopeia virus and Lymphocytic choriomeningitis virus, respectively. This finding was further characterized using crystallographic and docking approaches. This study serves as a proof of concept and may have assigned a new therapeutic purpose for the bisphosphonate family, therefore paving the way for the development of inhibitors against Arenaviridae.
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Affiliation(s)
- Thi Hong Van Nguyen
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
| | - Elsie Yekwa
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
| | - Barbara Selisko
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
| | - Bruno Canard
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
- European Virus Bioinformatics Center, Leutragraben 1, 07743 Jena, Germany
| | - Karine Alvarez
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
| | - François Ferron
- Aix-Marseille Université and Laboratoire Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS – UMR-7257, 13288 Marseille, France
- European Virus Bioinformatics Center, Leutragraben 1, 07743 Jena, Germany
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The Rationale for Using Neridronate in Musculoskeletal Disorders: From Metabolic Bone Diseases to Musculoskeletal Pain. Int J Mol Sci 2022; 23:ijms23136921. [PMID: 35805927 PMCID: PMC9267106 DOI: 10.3390/ijms23136921] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/18/2022] [Accepted: 06/20/2022] [Indexed: 02/04/2023] Open
Abstract
Neridronate or ((6-amino-1-hydroxy-1-phosphonohexyl) phosphonic acid) is an amino-bisphosphonate (BP) synthetized in Italy in 1986. Bisphosphonates are molecules with a P-C-P bond in their structure that allows strong and selectively binding to hydroxyapatite (HAP) as well as osteoclasts inhibition through different mechanisms of action. Neridronate was initially used to treat Paget disease of the bone, demonstrating effectiveness in reducing bone turnover markers as well as pain. The interesting molecular properties of neridronate foster its wide use in several other conditions, such as osteogenesis imperfecta, and osteoporosis. Thanks to the unique safety and efficacy profile, neridronate has been used in secondary osteoporosis due to genetic, rheumatic, and oncological diseases, including in pediatric patients. In the last decade, this drug has also been studied in chronic musculoskeletal pain conditions, such as algodystrophy, demonstrating effectiveness in improving extraskeletal outcomes. This review highlights historical and clinical insights about the use of neridronate for metabolic bone disorders and musculoskeletal pain conditions.
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Lo Presti E, D’Orsi L, De Gaetano A. A Mathematical Model of In Vitro Cellular Uptake of Zoledronic Acid and Isopentenyl Pyrophosphate Accumulation. Pharmaceutics 2022; 14:pharmaceutics14061262. [PMID: 35745834 PMCID: PMC9227399 DOI: 10.3390/pharmaceutics14061262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/07/2022] [Accepted: 06/10/2022] [Indexed: 02/04/2023] Open
Abstract
The mevalonate pathway is an attractive target for many areas of research, such as autoimmune disorders, atherosclerosis, Alzheimer’s disease and cancer. Indeed, manipulating this pathway results in the alteration of malignant cell growth with promising therapeutic potential. There are several pharmacological options to block the mevalonate pathway in cancer cells, one of which is zoledronic acid (ZA) (an N-bisphosphonate (N-BP)), which inhibits the farnesyl pyrophosphate (FPP) synthase enzyme, inducing cell cycle arrest, apoptosis, inhibition of protein prenylation, and cholesterol reduction, as well as leading to the accumulation of isopentenyl pyrophosphate (IPP). We extrapolated the data based on two independently published papers that provide numerical data on the uptake of zoledronic acid (ZA) and the accumulation of IPP (Ag) and its isomer over time by using in vitro human cell line models. Two different mathematical models for IPP kinetics are proposed. The first model (Model 1) is a simpler ordinary differential equation (ODE) compartmental system composed of 3 equations with 10 parameters; the second model (Model 2) is a differential algebraic equation (DAE) system with 4 differential equations, 1 algebraic equation and 13 parameters incorporating the formation of the ZA+enzyme+Ag complex. Each of the two models aims to describe two different experimental situations (continuous and pulse experiments) with the same ZA kinetics. Both models fit the collected data very well. With Model 1, we obtained a prevision accumulation of IPP after 24 h of 169.6 pmol/mgprot/h with an IPP decreasing rate per (pmol/mgprot) of ZA (kXGZ) equal to 13.24/h. With Model 2, we have comprehensive kinetics of IPP upon ZA treatment. We calculate that the IPP concentration was equal to 141.6 pmol/mgprot/h with a decreasing rate/percentage of 0.051 (kXGU). The present study is the first to quantify the influence of ZA on the pharmacodynamics of IPP. While still incorporating a small number of parameters, Model 2 better represents the complexity of the biological behaviour for calculating the IPP produced in different situations, such as studies on γδ T cell-based immunotherapy. In the future, additional clinical studies are warranted to further evaluate and fine-tune dosing approaches.
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Affiliation(s)
- Elena Lo Presti
- CNR-IRIB (Institute for Biomedical Research and Innovation), National Research Council, Via Ugo La Malfa 153, 90146 Palermo, Italy
- Correspondence: (E.L.P.); (A.D.G.)
| | - Laura D’Orsi
- CNR-IASI BioMatLab (Institute of Analysis, Systems and Computer Science), National Research Council, Via dei Taurini 19, 00185 Rome, Italy;
| | - Andrea De Gaetano
- CNR-IRIB (Institute for Biomedical Research and Innovation), National Research Council, Via Ugo La Malfa 153, 90146 Palermo, Italy
- CNR-IASI BioMatLab (Institute of Analysis, Systems and Computer Science), National Research Council, Via dei Taurini 19, 00185 Rome, Italy;
- Correspondence: (E.L.P.); (A.D.G.)
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Inhibition of osteoclastogenesis after bisphosphonate therapy discontinuation: an in vitro approach. J Mol Histol 2022; 53:669-677. [PMID: 35701706 DOI: 10.1007/s10735-022-10083-9] [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: 10/20/2021] [Accepted: 05/26/2022] [Indexed: 10/18/2022]
Abstract
Osteoclasts are specialized cells that degrade and resorb bone. Bisphosphonates (BPs) are drugs with well-known capacity to inhibit the resorption of mineralized tissues. Nitrogen-containing BPs, like alendronate (ALN) and zoledronic acid (ZA), inactivate osteoclast activity mostly by alterations on the cytoskeleton architecture of the cell. In this study, we used an in vitro model to test the hypothesis that bisphosphonates may have inhibitory effects on the osteoclastogenesis and osteoclast activity after the therapy was discontinued. Primary osteoclasts were generated from mouse bone marrow in media supplemented with 1,25-dihydroxyvitamin D3 and cultivated over bones pre-treated with ALN and ZA. The pre-saturation of the bone slices with bisphosphonates did not affect cell viability. We found, however, that by disrupting the gene expression of RANKL and OPG the osteoclastogenesis and resorption activity of osteoclasts was significantly disturbed. These inhibitory effects were confirmed by scanning electron microscopy resorption assay, assessment of osteoclast ultrastructure, and by gene expression analysis of TRAP and Cathepsin K. In conclusion, ALN and ZA adhered to the bone matrix reduced the osteoclast activity in vitro.
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Connection between Mesenchymal Stem Cells Therapy and Osteoclasts in Osteoarthritis. Int J Mol Sci 2022; 23:ijms23094693. [PMID: 35563083 PMCID: PMC9102843 DOI: 10.3390/ijms23094693] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 12/12/2022] Open
Abstract
The use of mesenchymal stem cells constitutes a promising therapeutic approach, as it has shown beneficial effects in different pathologies. Numerous in vitro, pre-clinical, and, to a lesser extent, clinical trials have been published for osteoarthritis. Osteoarthritis is a type of arthritis that affects diarthritic joints in which the most common and studied effect is cartilage degradation. Nowadays, it is known that osteoarthritis is a disease with a very powerful inflammatory component that affects the subchondral bone and the rest of the tissues that make up the joint. This inflammatory component may induce the differentiation of osteoclasts, the bone-resorbing cells. Subchondral bone degradation has been suggested as a key process in the pathogenesis of osteoarthritis. However, very few published studies directly focus on the activity of mesenchymal stem cells on osteoclasts, contrary to what happens with other cell types of the joint, such as chondrocytes, synoviocytes, and osteoblasts. In this review, we try to gather the published bibliography in relation to the effects of mesenchymal stem cells on osteoclastogenesis. Although we find promising results, we point out the need for further studies that can support mesenchymal stem cells as a therapeutic tool for osteoclasts and their consequences on the osteoarthritic joint.
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Vliek SB, Noordhoek I, Meershoek-Klein Kranenbarg E, van Rossum AGJ, Dezentje VO, Jager A, Hokken JWE, Putter H, van der Velden AWG, Hendriks MP, Bakker SD, van Riet YEA, Tjan-Heijnen VCG, Portielje JEA, Kroep JR, Nortier JWR, van de Velde CJH, Linn SC. Daily Oral Ibandronate With Adjuvant Endocrine Therapy in Postmenopausal Women With Estrogen Receptor-Positive Breast Cancer (BOOG 2006-04): Randomized Phase III TEAM-IIB Trial. J Clin Oncol 2022; 40:2934-2945. [PMID: 35442755 DOI: 10.1200/jco.21.00311] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE For postmenopausal patients with breast cancer, previous subgroup analyses have shown a modest benefit from adjuvant bisphosphonate treatment. However, the efficacy of oral nitrogen-containing bisphosphonates such as ibandronate is unclear in this setting. TEAM-IIB investigates adjuvant ibandronate in postmenopausal women with estrogen receptor-positive (ER+) breast cancer. METHODS TEAM-IIB is a randomized, open-label, multicenter phase III study. Postmenopausal women with stage I-III ER+ breast cancer and an indication for adjuvant endocrine therapy (ET) were randomly assigned 1:1 to 5 years of ET with or without oral ibandronate 50 mg once daily for 3 years. Major ineligibility criteria were bilateral breast cancer, active gastroesophageal problems, and health conditions that might interfere with study treatment. Primary end point was disease-free survival (DFS), analyzed in the intention-to-treat population. RESULTS Between February 1, 2007, and May 27, 2014, 1,116 patients were enrolled, 565 to ET with ibandronate (ibandronate arm) and 551 to ET alone (control arm). Median follow-up was 8.5 years. DFS was not significantly different between the ibandronate and control arms (HR 0.97; 95% CI, 0.76 to 1.24; log-rank P = .811). Three years after random assignment, DFS was 94% in the ibandronate arm and 91% in the control arm. Five years after random assignment, this was 89% and 86%, respectively. In the ibandronate arm, 97/565 (17%) of patients stopped ibandronate early because of adverse events. Significantly more patients experienced GI issues, mainly dyspepsia, in the ibandronate arm than in the control arm (89 [16%] and 54 [10%], respectively; P < .003). Eleven patients in the ibandronate arm developed osteonecrosis of the jaw. CONCLUSION In postmenopausal women with ER+ breast cancer, adjuvant ibandronate 50 mg once daily does not improve DFS and should not be recommended as part of standard treatment regimens.
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Affiliation(s)
- Sonja B Vliek
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Iris Noordhoek
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands.,Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Annelot G J van Rossum
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Vincent O Dezentje
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Agnes Jager
- Dutch Breast Cancer Research Group, Amsterdam, the Netherlands
| | | | - Hein Putter
- Department of Medical Statistics, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Mathijs P Hendriks
- Department of Medical Oncology, Northwest Clinics, Alkmaar, the Netherlands
| | - Sandra D Bakker
- Department of Internal Medicine, Zaans Medical Centre, Zaandam, the Netherlands
| | - Yvonne E A van Riet
- Department of Surgical Oncology, Catharina Hospital, Eindhoven, the Netherlands
| | | | | | - Judith R Kroep
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
| | - Johan W R Nortier
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Sabine C Linn
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands.,Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
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Leerling AT, Winter EM. Comment on: The neglected and untreated pains of CRMO and SAPHO syndrome. Rheumatology (Oxford) 2022; 62:e12-e13. [PMID: 35426917 PMCID: PMC9788808 DOI: 10.1093/rheumatology/keac236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 12/30/2022] Open
Affiliation(s)
- Anne T Leerling
- Department of Internal Medicine, Division of Endocrinology, Center for Bone Quality, Leiden University Medical Center, Leiden, The Netherlands
| | - Elizabeth M Winter
- Correspondence to: Elizabeth M. Winter, Leiden University Medical Center, Center for Bone Quality, Albinusdreef 2, Postal zone B2-R, 2333 ZA Leiden, The Netherlands. E-mail:
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Mollica V, Nuvola G, Tassinari E, Nigro MC, Marchetti A, Rosellini M, Rizzo A, Errani C, Massari F. Bone Targeting Agents in Patients with Prostate Cancer: General Toxicities and Osteonecrosis of the Jaw. Curr Oncol 2022; 29:1709-1722. [PMID: 35323342 PMCID: PMC8947753 DOI: 10.3390/curroncol29030142] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction: Bone metastases are the most frequent site of secondary localization of prostate cancer (PCa) and are present in about 90% of cases of advanced disease. Consequently, an adequate management of bone involvement is of pivotal importance in the therapeutic approach and skeletal-related events (SREs) need to be closely monitored and promptly assessed and treated. Bone targeting agents (BTAs), consisting in bisphosphonates and denosumab, are an essential part of the treatment of metastatic prostate cancer that accompanies systemic treatments throughout the most part of the history of the disease. Activity and safety of bone targeting agents: These treatments are correlated to better outcomes in terms of reduction of SREs and, in metastatic castration resistant setting, of increased overall survival (OS), but several important adverse events have to be managed and prevented. Of these, osteonecrosis of the jaw (ONJ) is extremely invalidating and should be managed with a special attention. Discussion: The role of BTAs in prostate cancer is pivotal throughout many stages of the disease, but several toxicities should be quickly recognized and treated. We aim at recollecting evidence on clinical benefit of BTAs, common and specific toxicities, and explore the pathophysiology and clinical aspects of osteonecrosis of the jaw. We present a review of the literature to report the role of the different types of bone targeting agents in the management of prostate cancer with bone metastases with a particular focus on common toxicities and ONJ to recollect current evidences on the activity of these compounds and the correct management of their adverse events.
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Affiliation(s)
- Veronica Mollica
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
- Correspondence:
| | - Giacomo Nuvola
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
| | - Elisa Tassinari
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
| | - Maria Concetta Nigro
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
| | - Andrea Marchetti
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
| | - Matteo Rosellini
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
| | - Alessandro Rizzo
- Struttura Semplice Dipartimentale di Oncologia Medica per la Presa in Carico Globale del Paziente Oncologico ‘Don Tonino Bello’, IRCCS Istituto Tumori ‘Giovanni Paolo II’, Viale Orazio Flacco 65, 70124 Bari, Italy;
| | - Costantino Errani
- Department of Orthopaedic Oncology, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136 Bologna, Italy;
| | - Francesco Massari
- Medical Oncology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (G.N.); (E.T.); (M.C.N.); (A.M.); (M.R.); (F.M.)
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Ikeda M, Karakawa A, Takizawa H, Azetsu Y, Sakai N, Chatani M, Suzuki N, Takami M. Effects of Anti-RANKL Antibody and Zoledronic Acid on Periapical Lesion Development in Mice. J Endod 2022; 48:632-640. [PMID: 35181456 DOI: 10.1016/j.joen.2022.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Anti-resorptive drugs are widely used to treat osteoporosis and other systemic bone diseases, though their efficacy for local bone resorption following localized inflammation has not been fully elucidated. We examined the effects of an anti-receptor activator of nuclear factor-κB ligand (RANKL) antibody and the bisphosphonate zoledronic acid (ZOL) on periapical lesion (PL) development in mice. METHODS Dental pulps of lower first molars in mice were removed, with the exposed dental pulp chambers left open to the oral environment to induce apical periodontitis. An anti-RANKL antibody or ZOL was intraperitoneally injected once per week until postoperative day 21, then micro-computed tomography and histological analyses were performed. RESULTS PL enlargement was inhibited by both the anti-RANKL antibody and ZOL in a dose-dependent manner and reduction of inflammatory cell infiltration in apical tissues inhibited periapical bone resorption. The anti-RANKL antibody decreased the number of osteoclasts in periapical tissues, while ZOL suppressed periapical bone resorption with osteoclast numbers maintained. While administration of each of the anti-resorptive drugs increased femoral bone mass, femoral bone mineral density in the PL group was lower as compared to the sham-operated group. CONCLUSIONS These results suggest that an anti-resorptive drug administered systemically is distributed to areas of local inflammation in the jaw and can prevent PL development.
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Affiliation(s)
- Megumi Ikeda
- Division of Endodontics, Department of Conservative Dentistry, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ota-ku, Tokyo, 145-8515, Japan; Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan
| | - Akiko Karakawa
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan.
| | - Hideomi Takizawa
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan; Department of Orthodontics, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ota-ku, Tokyo, 145-8515, Japan
| | - Yuki Azetsu
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan
| | - Nobuhiro Sakai
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan
| | - Masahiro Chatani
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan
| | - Noriyuki Suzuki
- Division of Endodontics, Department of Conservative Dentistry, Showa University School of Dentistry, 2-1-1 Kitasenzoku, Ota-ku, Tokyo, 145-8515, Japan
| | - Masamichi Takami
- Department of Pharmacology, Showa University School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8555, Japan; Pharmacological Research Center, Showa University, Tokyo, 142-8555, Japan.
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de Faria LP, Sueyoshi G, de Oliveira TC, Holliday LS, Arana-Chavez VE. Effects of Alendronate and Dexamethasone on Osteoclast Gene Expression and Bone Resorption in Mouse Marrow Cultures. J Histochem Cytochem 2022; 70:169-179. [PMID: 34915746 PMCID: PMC8777375 DOI: 10.1369/00221554211063519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Osteoclasts are cells whose main function is the resorption of bone matrix. However, several factors, including medications, can interfere with the resorption process. Alendronate (ALN), a nitrogen-containing type of bisphosphonate, and dexamethasone (DEX), a glucocorticoid, are drugs that may affect the resorption activity. The aim of this study is to investigate the effects of ALN, and/or DEX on osteoclast gene expression and resorption activity in primary mouse marrow cultures stimulated with 1,25-dihydroxyvitamin D3, a model for the bone microenvironment. Cultures were treated only with ALN (10-5 M), DEX (10-6 M), and with a combination of both agents. Viability assays performed at days 5, 7, and 9 showed the highest number of viable cells at day 7. All the following assays were then performed at day 7 of cell culture: tartrate resistant acid phosphatase (TRAP) histochemistry, receptor activator of nuclear factor kappa B ligand (RANKL) immunofluorescence, osteoprotegerin (OPG), and RANKL gene expression by qPCR and resorption analysis by scanning electron microscopy. Treatment with ALN, DEX, and the combination of both did not promote significant changes in the number of TRAP+ cells, although larger giant cells were detected in groups treated with DEX. DEX treatment increased the gene expression of RANKL and reduced OPG. The treatment with ALN reduced the depth of the resorption pits, but their inhibitory effect was less effective when administered with DEX.
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Affiliation(s)
| | - Giuliana Sueyoshi
- Department of Biomaterials and Oral
Biology, School of Dentistry, University of São Paulo, São
Paulo, Brazil
| | - Taís Carvalho de Oliveira
- Department of Biomaterials and Oral
Biology, School of Dentistry, University of São Paulo, São
Paulo, Brazil
| | - L. Shannon Holliday
- Department of Orthodontics, College
of Dentistry, University of Florida, Gainesville, Florida
| | - Victor E. Arana-Chavez
- Victor E. Arana-Chavez, Department
of Biomaterials and Oral Biology, School of Dentistry, University of
São Paulo, São Paulo 05508-000, SP, Brazil. E-mail:
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Faust B, Parkinson A, Baumrucker SJ. Pharmacology update: pamidronate for hypertrophic pulmonary osteoarthropathy in palliative care. THERAPEUTIC ADVANCES IN RARE DISEASE 2022; 3:26330040211070298. [PMID: 37180420 PMCID: PMC10032426 DOI: 10.1177/26330040211070298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 12/07/2021] [Indexed: 05/16/2023]
Abstract
Hypertrophic pulmonary osteoarthropathy (HPOA) is a rare syndrome that causes clubbed fingers, periostitis, and synovial effusions. It can adversely impact a patient's quality of life. It occurs secondary to pulmonary disease - most commonly pulmonary malignancy. The most effective treatment for HPOA is to treat the underlying disease, usually through surgical resection, chemotherapy, or radiation. However, symptomatic treatments rather than definitive treatments (surgical, chemotherapy, or radiation) are more appropriate for the palliative care patient. Pamidronate is a promising medication for the treatment of HPOA for its safety and rapid onset of action. Further research is indicated to determine whether pamidronate is consistently effective.
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Affiliation(s)
- Bethany Faust
- Quillen College of Medicine, East Tennessee
State University, Johnson City, TN, USA
| | - Aaron Parkinson
- DeBusk College of Osteopathic Medicine, Lincoln
Memorial University, Harrogate, TN, USA
| | - Steven J. Baumrucker
- Palliative Medicine, Ballad Health System, 300
Med Tech Parkway, Johnson City, TN 37604, USA
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Hossain K, Florean L, Del Tedesco A, Cattaruzza E, Geppi M, Borsacchi S, Canton P, Benedetti A, Riello P, Scarso A. Modification of Amorphous Mesoporous Zirconia Nanoparticles with Bisphosphonic Acids: A Straightforward Approach for Tailoring the Surface Properties of the Nanoparticles. Chemistry 2021; 27:17941-17951. [PMID: 34705317 PMCID: PMC9299609 DOI: 10.1002/chem.202103354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Indexed: 12/02/2022]
Abstract
The use of readily prepared bisphosphonic acids obtained in few steps through a thio‐Michael addition of commercially available thiols on tetraethyl vinylidenebisphosphonate enables the straightforward surface modification of amorphous mesoporous zirconia nanoparticles. Simple stirring of the zirconia nanoparticles in a buffered aqueous solution of the proper bisphosphonic acid leads to the surface functionalization of the nanoparticles with different kinds of functional groups, charge and hydrophobic properties. Formation of both chemisorbed and physisorbed layers of the bisphosphonic acid take place, observing after extensive washing a grafting density of 1.1 molecules/nm2 with negligible release in neutral or acidic pH conditions, demonstrating stronger loading compared to monophosphonate derivatives. The modified nanoparticles were characterized by IR, XPS, ζ‐potential analysis to investigate the loading of the bisphosphonic acid, FE‐SEM to investigate the size and morphologies of the nanoparticles and 31P and 1H MAS NMR to investigate the coordination motif of the phosphonate units on the surface. All these analytical techniques demonstrated the strong affinity of the bisphosphonic moiety for the Zr(IV) metal centers. The functionalization with bisphosphonic acids represents a straightforward covalent approach for tailoring the superficial properties of zirconia nanoparticles, much straightforward compared the classic use of trisalkoxysilane or trichlorosilane reagents typically employed for the functionalization of silica and metal oxide nanoparticles. Extension of the use of bisphosphonates to other metal oxide nanoparticles is advisable.
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Affiliation(s)
- Khohinur Hossain
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Luca Florean
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Anna Del Tedesco
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Elti Cattaruzza
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Marco Geppi
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, via G. Moruzzi 13, 56124, Pisa, Italy
| | | | - Patrizia Canton
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Alvise Benedetti
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Pietro Riello
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
| | - Alessandro Scarso
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172, Venezia Mestre, Italy
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