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Xz Q, Zq S, L L, Hs O. Zoledronic Acid Accelerates ER Stress-Mediated Inflammation by Increasing PDE4B Expression in Bisphosphonate-Related Osteonecrosis of the Jaw. Appl Biochem Biotechnol 2024:10.1007/s12010-024-04859-w. [PMID: 38523176 DOI: 10.1007/s12010-024-04859-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2024] [Indexed: 03/26/2024]
Abstract
Long-term administration of bisphosphonates can lead to a significant side effect known as bisphosphonate-related osteonecrosis of the jaw (BRONJ). Although macrophage-mediated inflammation has been established as an important factor in BRONJ, the underlying mechanism remains elusive. In the current study, the roles of endoplasmic reticulum (ER) stress in zoledronic acid (ZOL)-induced inflammation were analyzed in macrophages, and the regulatory mechanism of ER stress activation was next investigated. An in vitro model of BRONJ was established by treating RAW264.7 cells with ZOL. The activation of ER stress was analyzed by western blotting and transmission electron microscopy, and inflammation was assessed by quantitative real-time PCR and enzyme-linked immunosorbent assay. ER stress was significantly activated in ZOL-treated macrophages, and inhibition of ER stress by TUDCA, an ER stress inhibitor, suppressed ZOL-induced inflammation in macrophages. Mechanistically, phosphodiesterase 4B (PDE4B) was significantly increased in ZOL-treated macrophages. Forced expression of PDE4B promoted ER stress and inflammation, whereas PDE4B knockdown decreased ZOL-induced ER stress and inflammation in macrophages. More importantly, PDE4B inhibitor could improve ZOL-induced BRONJ in vivo. These data suggest that ZOL accelerates ER stress-mediated inflammation in BRONJ by increasing PDE4B expression. PDE4B inhibition may represent a potential therapeutic strategy for BRONJ. Subsequent research should concentrate on formulating medications that selectively target PDE4B, thereby mitigating the risk of BRONJ in patients undergoing bisphosphonate treatment.
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Affiliation(s)
- Qu Xz
- Department of Oral and Maxillofacial-Head & Neck Oncology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Sun Zq
- Department of Stomatology, Shanghai Eighth People's Hospital, Shanghai, China
| | - Liu L
- Department of Oral and Maxillofacial-Head & Neck Oncology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ong Hs
- Department of Oral and Maxillofacial-Head & Neck Oncology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Shuai W, Zhou J, Xia C, Huang S, Yang J, Liu L, Yang H. Gallium-Doped Hydroxyapatite: Shape Transformation and Osteogenesis Activity. Molecules 2023; 28:7379. [PMID: 37959798 PMCID: PMC10648865 DOI: 10.3390/molecules28217379] [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: 09/04/2023] [Revised: 10/11/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
In this study, we employed a chemical precipitation method to successfully synthesize nanoparticles of gallium-doped hydroxyapatite (Ga-HAp). The microstructure of Ga-HAp was precisely tailored by modulating the concentration of gallium ions. Our findings unequivocally demonstrate that gallium ions exert a pronounced inhibitory influence on the growth of HAp crystals, and this inhibitory potency exhibits a direct correlation with the concentration of gallium. Furthermore, gallium ions facilitate the metamorphosis of HAp nanoparticles, transitioning them from nanoneedles to nanosheets. It is worth noting, however, that gallium ions exhibit a limited capacity to substitute for calcium ions within the crystal lattice of HAp, with the maximum substitution rate capped at 4.85%. Additionally, gallium plays a pivotal role in constraining the release of ions from HAp, and this behavior remains consistent across samples with varying Ga doping concentrations. Our in vitro experiments confirm that Ga-doped HAp amplifies both the proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells.
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Affiliation(s)
- Wei Shuai
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou 341000, China;
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China; (S.H.); (J.Y.)
| | - Jianguo Zhou
- Department of Joint Surgery, Ganzhou People’s Hospital, Ganzhou 341000, China;
| | - Chen Xia
- Sichuan Volcational College of Cultural Industries, Chengdu 610213, China;
| | - Sirui Huang
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China; (S.H.); (J.Y.)
| | - Jie Yang
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China; (S.H.); (J.Y.)
- School of Medical Information Engineering, Gannan Medical University, Ganzhou 341000, China
| | - Lin Liu
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China; (S.H.); (J.Y.)
| | - Hui Yang
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China; (S.H.); (J.Y.)
- School of Medical Information Engineering, Gannan Medical University, Ganzhou 341000, China
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Miyagawa K, Tenshin H, Mulcrone PL, Delgado-Calle J, Subler MA, Windle JJ, Chirgwin JM, Roodman GD, Kurihara N. Osteoclast-derived IGF1 induces RANKL production in osteocytes and contributes to pagetic lesion formation. JCI Insight 2023; 8:e159838. [PMID: 37338990 PMCID: PMC10443794 DOI: 10.1172/jci.insight.159838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/15/2023] [Indexed: 06/22/2023] Open
Abstract
We previously reported that measles virus nucleocapsid protein (MVNP) expression in osteoclasts (OCLs) of patients with Paget disease (PD) or targeted to the OCL lineage in MVNP-transgenic mice (MVNP mice) increases IGF1 production in osteoclasts (OCL-IGF1) and leads to development of PD OCLs and pagetic bone lesions (PDLs). Conditional deletion of Igf1 in OCLs of MVNP mice fully blocked development of PDLs. In this study, we examined whether osteocytes (OCys), key regulators of normal bone remodeling, contribute to PD. OCys in PDLs of patients and of MVNP mice expressed less sclerostin, and had increased RANKL expression compared with OCys in bones from WT mice or normal patients. To test whether increased OCL-IGF1 is sufficient to induce PDLs and PD phenotypes, we generated TRAP-Igf1 (T-Igf1) transgenic mice to determine whether increased IGF1 expression in the absence of MVNP in OCLs is sufficient to induce PDLs and pagetic OCLs. We found that T-Igf1 mice at 16 months of age developed PD OCLs, PDLs, and OCys, with decreased sclerostin and increased RANKL, similar to MVNP mice. Thus, pagetic phenotypes could be induced by OCLs expressing increased IGF1. OCL-IGF1 in turn increased RANKL production in OCys to induce PD OCLs and PDLs.
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Affiliation(s)
- Kazuaki Miyagawa
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Hirofumi Tenshin
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Patrick L. Mulcrone
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Jesus Delgado-Calle
- Department of Physiology & Cell Biology, Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Mark A. Subler
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Jolene J. Windle
- Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - John M. Chirgwin
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
- Research Service, Roudebush Veterans Administration Medical Center, Indianapolis, Indiana, USA
| | - G. David Roodman
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Noriyoshi Kurihara
- Division of Hematology and Oncology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
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Pattamapaspong N, Peh WCG. Benign incidental do-not-touch bone lesions. Br J Radiol 2023; 96:20211334. [PMID: 35604667 PMCID: PMC9975527 DOI: 10.1259/bjr.20211334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 05/07/2022] [Accepted: 05/11/2022] [Indexed: 01/27/2023] Open
Abstract
Benign bone lesions may occasionally be incidentally detected on radiographs and are also increasingly found on CT or MRI performed for other clinical indications. Although mostly asymptomatic or associated with minor symptoms, these lesions may simulate true pathological lesions, causing problems in diagnosis. For instance, asymptomatic benign bone lesions can be misinterpreted as metastasis when incidentally encountered in a patient with known cancer. Recognising these entities as "do-not-touch" lesions helps avoid unnecessary further investigation or harmful intervention. In this review, we highlight three groups of bone incidentalomas found in adults, namely: osteolytic lesions, osteoblastic lesions, and bone protuberances. We aim to review the key imaging features of selected common and less common conditions in these three groups, so as to help radiologists confidently identify these benign do-not-touch lesions and to distinguish them from more sinister pathological lesions.
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Affiliation(s)
- Nuttaya Pattamapaspong
- Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Wilfred CG Peh
- Department of Diagnostic Radiology, Khoo Teck Puat Hospital, Yishun Central, Singapore
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Poznański P, Lepiesza A, Jędrzejuk D, Mazanowska O, Bolanowski M, Krajewska M, Kamińska D. Is a Patient with Paget's Disease of Bone Suitable for Living Kidney Donation?-Decision-Making in Lack of Clinical Evidence. J Clin Med 2022; 11:jcm11061485. [PMID: 35329811 PMCID: PMC8951425 DOI: 10.3390/jcm11061485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/24/2022] [Accepted: 03/08/2022] [Indexed: 12/25/2022] Open
Abstract
Living donor kidney transplantation is a widely performed medical procedure. Living kidney donation requires an in-depth health assessment of candidates. The potential living kidney donor must remain healthy after kidney removal. A consequence of donation can be a decrease in glomerular filtration rate (GFR), and donors can become at risk of developing chronic kidney disease (CKD). We present a rationale for potential living kidney donor withdrawal due to Paget's disease of bone (PDB) based on a literature review. The treatment for PDB includes the use of, for example, non-steroidal anti-inflammatory drugs (NSAIDs), which can lead to acute kidney injury (AKI) as well as CKD, or bisphosphonates, which are not recommended for patients with decreased GFR.
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Affiliation(s)
- Paweł Poznański
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (P.P.); (O.M.); (M.K.); (D.K.)
| | - Agnieszka Lepiesza
- Department of Vascular, General and Transplantation Surgery, Jan Mikulicz-Radecki University Clinical Hospital, Borowska 213, 50-556 Wroclaw, Poland;
| | - Diana Jędrzejuk
- Department of Endocrinology, Diabetes and Isotope Therapy, Wroclaw Medical University, Wybrzeze L. Pasteura 4, 50-367 Wroclaw, Poland;
- Correspondence:
| | - Oktawia Mazanowska
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (P.P.); (O.M.); (M.K.); (D.K.)
| | - Marek Bolanowski
- Department of Endocrinology, Diabetes and Isotope Therapy, Wroclaw Medical University, Wybrzeze L. Pasteura 4, 50-367 Wroclaw, Poland;
| | - Magdalena Krajewska
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (P.P.); (O.M.); (M.K.); (D.K.)
| | - Dorota Kamińska
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland; (P.P.); (O.M.); (M.K.); (D.K.)
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Slouma M, Rahmouni S, Dhahri R, Abbes M, Gharsallah I, Metoui L, Louzir B. Hypercalcemia in a patient with a bowing femur. Clin Case Rep 2021; 9:516-521. [PMID: 33489206 PMCID: PMC7813087 DOI: 10.1002/ccr3.3569] [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: 06/17/2020] [Revised: 10/05/2020] [Accepted: 10/19/2020] [Indexed: 11/11/2022] Open
Abstract
Hypercalcemia in PDB is rare; its occurrence requires thorough investigations as it may reveal several diseases, such as primary hyperparathyroidism, malignant transformation, metastases, or myeloma.
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Affiliation(s)
- Maroua Slouma
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Safa Rahmouni
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Rim Dhahri
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Maissa Abbes
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Imen Gharsallah
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Leila Metoui
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
| | - Bassem Louzir
- Department of Internal MedicineMilitary HospitalTunisTunisia
- Tunis El Manar UniversityTunisTunisia
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Preface. Best Pract Res Clin Rheumatol 2020; 34:101561. [DOI: 10.1016/j.berh.2020.101561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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