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Pishan B, Andrukhov O, Rausch-Fan X. Dental Implant Failure in Post-Menopausal Women on Oral Bisphosphonates: A Systematic Review and Meta-Analysis. J ORAL IMPLANTOL 2024; 50:288-295. [PMID: 38660740 DOI: 10.1563/aaid-joi-d-23-00069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
A systematic review was designed to investigate the effect of treatment with oral bisphosphonate (BP) on osseointegration of dental implants and the incidence of BP-related osteonecrosis of the jaw (BRONJ) in postmenopausal women. Multiple electronic databases, including MEDLINE (PubMed), EMBASE, and SCOPUS, were searched to find all eligible articles published since 1990. All titles and abstracts retrieved by searching information sources were evaluated independently by 2 authors against the eligibility criteria. The number of cases ranged from 11 to 235, and the number of controls ranged from 14 to 343. Alendronate was used in all other studies. Risedronate was used in 6 studies, while ibandronate was used in 4 studies. The number of implants in cases ranged from 25 to 1267, while in controls, the number of implants ranged from 28 to 1450. The time between the placement of implant and the follow-up visit ranged from 4-6 months to 8 years. The results show that out of 2582 placed implants, 50 (1.94%) failed in BP-treated patients. This is while out of 4050 placed implants, 188 (4.6%) failed in the non-BP group. The results from the meta-analysis demonstrated that BP therapy is significantly associated with increased implant failure rates (RR = 1.73 [95% CI, 1.03-2.83], P = .04). Overall, the qualitative assessment of this review suggests that oral treatment with BPs in postmenopausal women does not increase the rate of dental implant failure. Thus, further studies with larger sample sizes should compare BP and non-BP groups in regard to dental implants.
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Affiliation(s)
- Bahar Pishan
- Clinical Division of Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Oleh Andrukhov
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Xiaohui Rausch-Fan
- Clinical Division of Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Competence Center for Periodontal Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
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Budzinska A, Galganski L, Jarmuszkiewicz W. The bisphosphonates alendronate and zoledronate induce adaptations of aerobic metabolism in permanent human endothelial cells. Sci Rep 2023; 13:16205. [PMID: 37758809 PMCID: PMC10533870 DOI: 10.1038/s41598-023-43377-3] [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: 05/10/2023] [Accepted: 09/22/2023] [Indexed: 09/29/2023] Open
Abstract
Nitrogen-containing bisphosphonates (NBPs), compounds that are widely used in the treatment of bone disorders, may cause side effects related to endothelial dysfunction. The aim of our study was to investigate the effects of chronic 6-day exposure to two common bone-preserving drugs, alendronate and zoledronate, on endothelial function and oxidative metabolism of cultured human endothelial cells (EA.hy926). NBPs reduced cell viability, induced oxidative stress and a pro-inflammatory state and downregulated the prenylation-dependent ERK1/2 signaling pathway in endothelial cells. In addition, NBPs induced increased anaerobic respiration and slightly increased oxidative mitochondrial capacity, affecting mitochondrial turnover through reduced mitochondrial fission. Moreover, by blocking the mevalonate pathway, NBPs caused a significant decrease in the level of coenzyme Q10, thereby depriving endothelial cells of an important antioxidant and mitochondrial electron carrier. This resulted in increased formation of reactive oxygen species (ROS), upregulation of antioxidant enzymes, and impairment of mitochondrial respiratory function. A general decrease in mitochondrial respiration occurred with stronger reducing fuels (pyruvate and glutamate) in NBP-treated intact endothelial cells, and significantly reduced phosphorylating respiration was observed during the oxidation of succinate and especially malate in NBP-treated permeabilized endothelial cells. The observed changes in oxidative metabolism caused a decrease in ATP levels and an increase in oxygen levels in NBP-treated cells. Thus, NBPs modulate the energy metabolism of endothelial cells, leading to alterations in the cellular energy state, coenzyme Q10 redox balance, mitochondrial respiratory function, and mitochondrial turnover.
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Affiliation(s)
- Adrianna Budzinska
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Adam Mickiewicz University, Collegium Biologicum, Uniwersytetu Poznanskiego 6, 61-614, Poznan, Poland
| | - Lukasz Galganski
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Adam Mickiewicz University, Collegium Biologicum, Uniwersytetu Poznanskiego 6, 61-614, Poznan, Poland
| | - Wieslawa Jarmuszkiewicz
- Laboratory of Mitochondrial Biochemistry, Department of Bioenergetics, Adam Mickiewicz University, Collegium Biologicum, Uniwersytetu Poznanskiego 6, 61-614, Poznan, Poland.
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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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Sharma D, Hamlet S, Vaquette C, Petcu EB, Ramamurthy P, Ivanovski S. Local delivery of hydrogel encapsulated vascular endothelial growth factor for the prevention of medication-related osteonecrosis of the jaw. Sci Rep 2021; 11:23371. [PMID: 34862395 PMCID: PMC8642483 DOI: 10.1038/s41598-021-02637-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022] Open
Abstract
The anti-angiogenic effects of bisphosphonates have been hypothesized as one of the major etiologic factors in the development of medication-related osteonecrosis of the jaw (MRONJ), a severe debilitating condition with limited treatment options. This study evaluated the potential of a gelatine-hyaluronic acid hydrogel loaded with the angiogenic growth factor, vascular endothelial growth factor (VEGF), as a local delivery system to aid in maintaining vascularization in a bisphosphonate-treated (Zoledronic Acid) rodent maxillary extraction defect. Healing was assessed four weeks after implantation of the VEGF-hydrogel into extraction sockets. Gross examination and histological assessment showed that total osteonecrosis and inflammatory infiltrate was significantly reduced in the presence of VEGF. Also, total vascularity and specifically neovascularization, was significantly improved in animals that received VEGF hydrogel. Gene expression of vascular, inflammatory and bone specific markers within the defect area were also significantly altered in the presence of VEGF. Furthermore, plasma cytokine levels were assessed to determine the systemic effect of locally delivered VEGF and showed similar outcomes. In conclusion, the use of locally delivered VEGF within healing extraction sockets assists bone healing and prevents MRONJ via a pro-angiogenic and immunomodulatory mechanism.
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Affiliation(s)
- Dileep Sharma
- College of Medicine and Dentistry, James Cook University, Cairns Campus, PO Box 6811, Cairns, 4870, Australia. .,Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, Australia.
| | - Stephen Hamlet
- Menzies Health Institute Queensland, School of Medicine and Dentistry, Griffith University, Gold Coast Campus, Gold Coast, 4222, Australia
| | - Cedryck Vaquette
- School of Dentistry, Faculty of Health and Behavioral Sciences, The University of Queensland, Herston Campus, Brisbane, 4006, Australia
| | - Eugen Bogdan Petcu
- New York Institute of Technology College of Osteopathic Medicine (NYIT), Old Westbury, NY, 11545, USA.,School of Dentistry and Oral Health, Griffith University, Gold Coast, Australia
| | - Poornima Ramamurthy
- College of Medicine and Dentistry, James Cook University, Cairns Campus, PO Box 6811, Cairns, 4870, Australia
| | - Saso Ivanovski
- School of Dentistry, Faculty of Health and Behavioral Sciences, The University of Queensland, Herston Campus, Brisbane, 4006, Australia.
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Sher J, Kirkham-Ali K, Luo JD, Miller C, Sharma D. Dental Implant Placement in Patients With a History of Medications Related to Osteonecrosis of the Jaws: A Systematic Review. J ORAL IMPLANTOL 2021; 47:249-268. [PMID: 32699903 DOI: 10.1563/aaid-joi-d-19-00351] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present systematic review evaluates the safety of placing dental implants in patients with a history of antiresorptive or antiangiogenic drug therapy. The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines were followed. PubMed, Cochrane Central Register of Controlled Trials, Scopus, Web of Science, and OpenGrey databases were used to search for clinical studies (English only) to July 16, 2019. Study quality was assessed regarding randomization, allocation sequence concealment, blinding, incomplete outcome data, selective outcome reporting, and other biases using a modified Newcastle-Ottawa scale and the Joanna Briggs Institute critical appraisal checklist for case series. A broad search strategy resulted in the identification of 7542 studies. There were 28 studies reporting on bisphosphonates (5 cohort, 6 case control, and 17 case series) and 1 study reporting on denosumab (case series) that met the inclusion criteria and were included in the qualitative synthesis. The quality assessment revealed an overall moderate quality of evidence among the studies. Results demonstrated that patients with a history of bisphosphonate treatment for osteoporosis are not at increased risk of implant failure in terms of osseointegration. However, all patients with a history of bisphosphonate treatment, whether taken orally for osteoporosis or intravenously for malignancy, appear to be at risk of "implant surgery-triggered" medication-related osteonecrosis of the jaw (MRONJ). In contrast, the risk of MRONJ in patients treated with denosumab for osteoporosis was found to be negligible. In conclusion, general and specialist dentists should exercise caution when planning dental implant therapy in patients with a history of bisphosphonate and denosumab drug therapy. Importantly, all patients with a history of bisphosphonates are at risk of MRONJ, necessitating this to be included in the informed consent obtained before implant placement.
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Affiliation(s)
- Judd Sher
- College of Medicine & Dentistry, James Cook University, Smithfield, Queensland, Australia
| | - Kate Kirkham-Ali
- College of Medicine & Dentistry, James Cook University, Smithfield, Queensland, Australia
| | - Jie Denny Luo
- College of Medicine & Dentistry, James Cook University, Smithfield, Queensland, Australia
| | - Catherine Miller
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Smithfield, Queensland, Australia
| | - Dileep Sharma
- College of Medicine & Dentistry, James Cook University, Smithfield, Queensland, Australia
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Van Camp N, Verhelst PJ, Nicot R, Ferri J, Politis C. Impaired Callus Formation in Pathological Mandibular Fractures in Medication-Related Osteonecrosis of the Jaw and Osteoradionecrosis. J Oral Maxillofac Surg 2021; 79:1892-1901. [PMID: 34097863 DOI: 10.1016/j.joms.2021.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Nonsurgical treatment of mandibular fractures secondary to medication-related osteonecrosis of the jaw (MRONJ) or osteoradionecrosis (ORN) mostly results in nonunion, whereas nonsurgical fracture treatment of atrophic fractures can achieve favorable results in selected cases. The aim of this study was to compare callus formation in pathological mandibular fractures due to MRONJ, ORN, or extreme mandibular atrophy. METHODS A retrospective cohort study reviewing the medical records of all MRONJ-, ORN-, or atrophy-related fractures treated at the departments of maxillofacial surgery in the Leuven or Lille university hospitals between 2010 and 2019 was undertaken. The primary predictor variable in this study was disease state (MRONJ, ORN, or extreme mandibular atrophy). The primary outcome variable was callus formation after 1 month of follow-up (present, absent). Additional study variables measured included patient age and gender. T-tests, Fisher exact tests, and multiple logistic regression were used for statistical analysis. The significance level was set at P < .05. RESULTS Seventy patients were analyzed (12 MRONJ cases, 54 ORN fractures, 4 atrophic fractures). The callus formation prevalence in nonsurgically approached fractures secondary to ORN and MRONJ after 1 month of follow-up was 3.03% (2/66 cases). In contrast, callus was detected in all patients in the mandibular atrophy-related fracture group. Osteonecrosis was statistically correlated with impaired callus formation (P = .0121). CONCLUSION Whereas one would expect indirect fracture healing and thus callus formation to occur in all non-surgically treated fractures, our data demonstrate its absence in the majority of MRONJ- and ORN-related fractures. Multiple plausible explanations for this phenomenon were identified: periosteal damage with loss of callus-forming cells, compromised vasculature, and bacterial colonization.
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Affiliation(s)
- Nathalie Van Camp
- Resident, Oral and Maxillofacial Surgery - Imaging and Pathology Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven and Department of Oral & Maxillofacial Surgery, University of Leuven, Leuven, Belgium.
| | - Pieter-Jan Verhelst
- Resident, Oral and Maxillofacial Surgery - Imaging and Pathology Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven and Department of Oral & Maxillofacial Surgery, University of Leuven, Leuven, Belgium
| | - Romain Nicot
- Staff Physician, Stomatologie, Chirurgie Orale et Maxillofaciale, Department of Oral and Maxillofacial Surgery, U1008 - Controlled Drug Delivery Systems and Biomaterials, Université de Lille/CHU de Lille, Lille, France
| | - Joel Ferri
- Professor and Department Head, Stomatologie, Chirurgie Orale et Maxillofaciale, Department of Oral and Maxillofacial Surgery, U1008 - Controlled Drug Delivery Systems and Biomaterials, Université de Lille/CHU de Lille, Lille, France
| | - Constantinus Politis
- Professor and Department Head, Oral and Maxillofacial Surgery - Imaging and Pathology Research Group, Department of Imaging and Pathology, Faculty of Medicine, University of Leuven and Department of Oral & Maxillofacial Surgery, University of Leuven, Leuven, Belgium
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Giudice A, Antonelli A, Chiarella E, Baudi F, Barni T, Di Vito A. The Case of Medication-Related Osteonecrosis of the Jaw Addressed from a Pathogenic Point of View. Innovative Therapeutic Strategies: Focus on the Most Recent Discoveries on Oral Mesenchymal Stem Cell-Derived Exosomes. Pharmaceuticals (Basel) 2020; 13:ph13120423. [PMID: 33255626 PMCID: PMC7760182 DOI: 10.3390/ph13120423] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/16/2020] [Accepted: 11/23/2020] [Indexed: 02/06/2023] Open
Abstract
Bisphosphonates-related osteonecrosis of the jaw (BRONJ) was firstly reported by Marx in 2003. Since 2014, the term medication-related osteonecrosis of the jaw (MRONJ) is recommended by the American Association of Oral and Maxillofacial Surgeons (AAOMS). Development of MRONJ has been associated to the assumption of bisphosphonates but many MRONJ-promoting factors have been identified. A strong involvement of immunity components has been suggested. Therapeutic intervention includes surgical and non-surgical treatments, as well as regenerative medicine procedures for the replacement of the lost tissues. The literature confirms that the combination of mesenchymal stem cells (MSCs), biomaterials and local biomolecules can support the regeneration/repair of different structures. In this review, we report the major open topics in the pathogenesis of MRONJ. Then, we introduce the oral tissues recognized as sources of MSCs, summing up in functional terms what is known about the exosomes release in physiological and pathological conditions.
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Affiliation(s)
- Amerigo Giudice
- Department of Health Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (A.G.); (A.A.)
| | - Alessandro Antonelli
- Department of Health Sciences, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (A.G.); (A.A.)
| | - Emanuela Chiarella
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.C.); (F.B.); (T.B.)
| | - Francesco Baudi
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.C.); (F.B.); (T.B.)
| | - Tullio Barni
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.C.); (F.B.); (T.B.)
| | - Anna Di Vito
- Department of Experimental and Clinical Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (E.C.); (F.B.); (T.B.)
- Correspondence:
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Lee SS, Kim SM, Kim YS, Lee SK. Extensive protein expression changes induced by pamidronate in RAW 264.7 cells as determined by IP-HPLC. PeerJ 2020; 8:e9202. [PMID: 32509464 PMCID: PMC7246033 DOI: 10.7717/peerj.9202] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/24/2020] [Indexed: 12/19/2022] Open
Abstract
Background Bisphosphonate therapy has become a popular treatment for osteoporosis, Paget’s disease, multiple myeloma, osteogenesis imperfecta, myocardial infarction, and cancer despite its serious side effects. Bisphosphonate-induced molecular signaling changes in cells are still not clearly elucidated. Methods As bisphosphonates are primarily engulfed by macrophages, we treated RAW 264.7 cells (a murine macrophage cell line) with pamidronate and investigated global protein expressional changes in cells by immunoprecipitation high performance liquid chromatography (IP-HPLC) using 218 antisera. Results Pamidronate upregulated proliferation-activating proteins associated with p53/Rb/E2F and Wnt/β-catenin pathways, but downregulated the downstream of RAS signaling, pAKT1/2/3, ERK-1, and p-ERK-1, and subsequently suppressed cMyc/MAX/MAD network. However, in situ proliferation index of pamidronate-treated RAW264.7 cells was slightly increased by 3.2% vs. non-treated controls. Pamidronate-treated cells showed increase in the expressions of histone- and DNA methylation-related proteins but decrease of protein translation-related proteins. NFkB signaling was also suppressed as indicated by the down-regulations of p38 and p-p38 and the up-regulation of mTOR, while the protein expressions related to cellular protection, HSP-70, NRF2, JNK-1, and LC3 were upregulated. Consequently, pamidronate downregulated the protein expressions related to immediate inflammation,cellular differentiation, survival, angiogenesis, and osteoclastogenesis, but upregulated PARP-1 and FAS-mediated apoptosis proteins. These observations suggest pamidronate affects global protein expressions in RAW 264.7 cells by stimulating cellular proliferation, protection, and apoptosis but suppressing immediate inflammation, differentiation, osteoclastogenesis, and angiogenesis. Accordingly, pamidronate appears to affect macrophages in several ways eliciting not only its therapeutic effects but also atypical epigenetic modification, protein translation, RAS and NFkB signalings. Therefore, our observations suggest pamidronate-induced protein expressions are dynamic, and the affected proteins should be monitored by IP-HPLC to achieve the therapeutic goals during treatment.
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Affiliation(s)
- Sang Shin Lee
- Department of Oral Pathology, College of Dentistry, Gangneung-Wonju National University, Gangneung, Gangwondo, South Korea
| | - Soung Min Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Seoul National University, Seoul, South Korea
| | - Yeon Sook Kim
- Department of Dental Hygiene, College of Health & Medical Sciences, Cheongju University, Cheongju, South Korea
| | - Suk Keun Lee
- Department of Oral Pathology, College of Dentistry, Gangneung-Wonju National University, Gangneung, Gangwondo, South Korea
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Systematic Comparison of the Effect of Four Clinical-Grade Platelet Rich Hemoderivatives on Osteoblast Behaviour. Int J Mol Sci 2019; 20:ijms20246243. [PMID: 31835696 PMCID: PMC6941155 DOI: 10.3390/ijms20246243] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/09/2019] [Accepted: 12/09/2019] [Indexed: 02/07/2023] Open
Abstract
Hemoderivatives have utilized in an empirical manner, driven by clinical considerations, leading to the development of a plethora of manufacturing protocols. The purpose of this study was to investigate the composition and bioactivity of four common clinical-grade hemoderivates prepared using standardised methods. Four different hemoderivatives were obtained from sheep blood and divided into two groups: A-PRF/i-PRF (fresh) and P-PRP/L-PRP (anticoagulated). Thrombus (CLOT) was used as a control. Thrombocyte quantification, growth factor composition (IGF-I, VEGF, PDGF-BB, BMP-2), cell viability, migration and mineralization assay were evaluated. Platelet recovery was superior for L-PRP followed by P-PRP. A significant cumulative release of IGF-I and PDGF-BB was noted for A-PRF and L-PRP groups at early time points. Similar release profiles of BMP-2 and VEGF were noted in all protocols. Cell viability and migration assay have demonstrated a detrimental effect when the concentration was ≥60%. Moreover, at Day 21, i-PRF have demonstrated superior mineralisation properties when compared to all groups. A negative impact of A-PRF was demonstrated at high concentrations. Despite its low content in growth factors, i-PRF was the best performing blood product for inducing osteoblast mineralisation, and therefore could be the candidate of choice for utilisation in bone tissue engineering applications.
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Tamari T, Elimelech R, Cohen G, Cohen T, Doppelt O, Eskander-Hashoul L, Zigdon-Giladi H. Endothelial Progenitor Cells inhibit jaw osteonecrosis in a rat model: A major adverse effect of bisphosphonate therapy. Sci Rep 2019; 9:18896. [PMID: 31827217 PMCID: PMC6906486 DOI: 10.1038/s41598-019-55383-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 11/22/2019] [Indexed: 01/27/2023] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a serious adverse effect of antiresorptive and antiangiogenic therapies. MRONJ is identified by chronic wounds in the oral mucosa associated with exposed necrotic bone. We hypothesized that zoledronic acid (ZOL) impairs keratinocyte and fibroblast function and reduces soft tissue vascularization; therefore, treating MRONJ with proangiogenic cells may benefit MRONJ patients. The effect of ZOL and dexamethasone (DEX) on gingival fibroblasts and keratinocytes was investigated. In-vitro, ZOL inhibited fibroblast and keratinocyte proliferation, delaying scratch healing. In-vivo, exposed bone was detected at tooth extraction sites, mainly in ZOL(+)/DEX(+) rats; and was associated with significantly decreased soft tissue vascularization, serum-VEGF, and tissue-VEGF. Local injection of early and late endothelial progenitor cells (EPCs) healed 13 of 14 MRONJ lesions compared with 2/7 lesions in the mesenchymal stem cells, and 2/6, in culture-medium group. The EPCs reduced necrotic bone area, increased serum and tissue VEGF levels. EPCs engraftment was minimal, suggesting their paracrine role in MRONJ healing. The EPC-conditioned medium improved scratch healing of keratinocytes and fibroblasts via VEGF pathway and elevated mRNA of VEGFA and collagen1A1. In conclusion, a novel MRONJ treatment with EPCs, increased vascularization and improved epithelial and fibroblast functions as well as cured the lesion.
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Affiliation(s)
- Tal Tamari
- Laboratory for Bone Repair, Rambam Health Care Campus, Haifa, Israel
| | - Rina Elimelech
- Department of Periodontology, School of Graduate Dentistry, Rambam Health Care Campus, Haifa, Israel.,Laboratory for Bone Repair, Rambam Health Care Campus, Haifa, Israel
| | - Gal Cohen
- Laboratory for Bone Repair, Rambam Health Care Campus, Haifa, Israel
| | - Talia Cohen
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Ofri Doppelt
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Lana Eskander-Hashoul
- Department of Periodontology, School of Graduate Dentistry, Rambam Health Care Campus, Haifa, Israel.,Laboratory for Bone Repair, Rambam Health Care Campus, Haifa, Israel
| | - Hadar Zigdon-Giladi
- Department of Periodontology, School of Graduate Dentistry, Rambam Health Care Campus, Haifa, Israel. .,Laboratory for Bone Repair, Rambam Health Care Campus, Haifa, Israel. .,The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel.
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Luo Z, Dai Y, Chen M, Zhu C, Wu K, Li G, Shang X. Silencing of RBP‑JK promotes the differentiation of bone marrow mesenchymal stem cells into vascular endothelial cells. Mol Med Rep 2019; 21:69-76. [PMID: 31746399 PMCID: PMC6896324 DOI: 10.3892/mmr.2019.10803] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 08/08/2019] [Indexed: 12/15/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BM-MSCs) are important for postnatal angiogenesis and are suitable for use in construction of blood vessels by tissue engineering. The present study aimed to investigate the influence of recombination signal binding protein for immunoglobulin kappa J region (RBP-JK) on the differentiation of BM-MSCs into vascular endothelial cells, and to assess the underlying mechanisms. BM-MSCs were isolated and identified by flow cytometry. Lentiviral vectors encoding RBP-JK shRNA (shRBPJK) were constructed to knockdown RBP-JK expression and endothelial differentiation of BM-MSCs was induced. The experimental groups were treated with: empty lentiviral vector (vector group), growth factors (bFGF and VEGF; induced group), shRBPJK (shRBPJK group), and growth factors + shRBPJK (induced + shRBPJK group). The expression of endothelial markers, vascular endothelial growth factor receptor 2 (Flk-1), and von Willebrand factor (vWF) were detected by immunofluorescence. Additionally, in vitro blood vessel formation and phagocytosis were assessed using acetylated LDL, Dil complex and the underlying molecular mechanisms evaluated by western blotting. BM-MSCs were separated and transduced with shRBPJK to reduce RBP-JK expression. Compared with the vector group, the expression of the endothelial cell markers, Flk-1 and vWF, in vitro tubule formation, and phagocytosis ability increased, while the expression levels of p-AKT/AKT and p-NF-κB/NF-κB were significantly decreased (P<0.05) in the induced, shRBPJK, and induced + shRBPJK groups. Compared with the induced group, the expression of Flk-1 and vWF, the number of tubules, and phagocytosis were higher in the induced + shRBPJK group, while the expression levels of p-AKT/AKT and p-NF-κB/NF-κB were lower (P<0.05). Collectively, the present data indicated that silencing of RBP-JK promotes the differentiation of MSCs into vascular endothelial cells, and this process is likely regulated by AKT/NF-κB signaling.
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Affiliation(s)
| | - Yong Dai
- Shandong University, Jinan, Shandong 250012, P.R. China
| | - Min Chen
- Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
| | - Chen Zhu
- Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
| | - Kerong Wu
- Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
| | - Guoyuan Li
- Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
| | - Xifu Shang
- Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui 230001, P.R. China
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Sherbet GV. Statins: A Conceivable Remedial Role for the Regulation of Cancer Progression. CURRENT CANCER THERAPY REVIEWS 2019. [DOI: 10.2174/1573394714666180611113834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mevalonate pathway (also known as the cholesterol biosynthesis pathway) plays a crucial metabolic role in normal cell function as well as in the pathological environment. It leads to the synthesis of sterol and non-sterol isoprenoid biomolecules which subserve a variety of cellular functions. It is known to be deregulated in many disease processes. Statins and bisphosphonates are prominent inhibitors of the mevalonate pathway. They inhibit cell proliferation and activate apoptotic signalling and suppress tumour growth. Statins subdue metastatic spread of tumours by virtue of their ability to suppress invasion and angiogenesis. The induction of autophagy is another feature of statin effects that could contribute to the suppression of metastasis. Herein highlighted are the major signalling systems that statins engage to generate these biological effects. Statins can constrain tumour growth by influencing the expression and function of growth factor and receptor systems. They may suppress epithelial mesenchymal transition with resultant inhibition of cell survival signalling, together with the inhibition of cancer stem cell generation, and their maintenance and expansion. They can suppress ER (oestrogen receptor)-α in breast cancer cells. Statins have been implicated in the activation of the serine/threonine protein kinase AMPK (5' adenosine monophosphate-activated protein) leading to the suppression of cell proliferation. Both statins and bisphosphonates can suppress angiogenic signalling by HIF (hypoxia- inducible factor)-1/eNOS (endothelial nitric oxide synthase) and VEGF (vascular endothelial growth factor)/VEGFR (VEGF receptor). Statins have been linked with improvements in disease prognosis. Also attributed to them is the ability of cancer prevention and reduction of risk of some forms of cancer. The wide spectrum of cancer associated events which these mevalonate inhibitors appear to influence would suggest a conceivable role for them in cancer management. However, much deliberation is warranted in the design and planning of clinical trials, their scope and definition of endpoints, modes risk assessment and the accrual of benefits.
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Affiliation(s)
- Gajanan V. Sherbet
- School of Engineering, University of Newcastle Upon Tyne, Newcastle Upon Tyne, NE2 4HH, United Kingdom
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Hou M, Lee RSB, Du Z, Hamlet SM, Vaquette C, Ivanovski S. The influence of high‐dose systemic zoledronate administration on osseointegration of implants with different surface topography. J Periodontal Res 2019; 54:633-643. [DOI: 10.1111/jre.12664] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 04/01/2019] [Accepted: 04/12/2019] [Indexed: 01/17/2023]
Affiliation(s)
- Michaela Hou
- School of Dentistry and Oral Health, Griffith Health Institute Griffith University Gold Coast Queensland Australia
| | - Ryan S. B. Lee
- School of Dentistry and Oral Health, Griffith Health Institute Griffith University Gold Coast Queensland Australia
- School of Dentistry The University of Queensland Herston Queensland Australia
| | - Zhibin Du
- Institute of Health and Biomedical Innovation Queensland University of Technology Kelvin Grove Queensland Australia
| | - Stephen M. Hamlet
- School of Dentistry and Oral Health, Griffith Health Institute Griffith University Gold Coast Queensland Australia
| | - Cedryck Vaquette
- School of Dentistry The University of Queensland Herston Queensland Australia
| | - Sašo Ivanovski
- School of Dentistry The University of Queensland Herston Queensland Australia
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14
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Physiological concentrations of denosumab enhance osteogenic differentiation in human mesenchymal stem cells of the jaw bone. Arch Oral Biol 2019; 101:23-29. [DOI: 10.1016/j.archoralbio.2019.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 03/05/2019] [Accepted: 03/06/2019] [Indexed: 02/06/2023]
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15
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Abdik H, Avşar Abdik E, Demirci S, Doğan A, Turan D, Şahin F. The effects of bisphosphonates on osteonecrosis of jaw bone: a stem cell perspective. Mol Biol Rep 2018; 46:763-776. [PMID: 30506511 DOI: 10.1007/s11033-018-4532-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 11/28/2018] [Indexed: 12/29/2022]
Abstract
Bisphosphonate-induced osteonecrosis of the jaw (BIONJ) is a commonly encountered side effect of Bisphosphonates (BPs). Although certain aspects of BIONJ have been studied, the effects of BPs on the proliferation, differentiation, and maintenance of dental stem cells (DSC) in way that might account for development of BIONJ have not been evaluated. In the current study, Dental Pulp Stem Cells (DPSCs), Periodontal Stem Cells (PDLSCs), and human Tooth Germ Stem Cells (hTGSCs) were characterized and then each stem cell type were treated with selected BPs: Zoledronate (ZOL), Alendronate (ALE), and Risedronate (RIS). Negative effect on osteogenesis capacity of DSCs has not been observed after differentiation experiments in vitro. BPs exerted inhibitory effect on the migratory capacities of stem cells confirmed by in vitro scratch assay analysis. Angiogenesis of endothelial cells was blocked by BPs treatment in tube formation analysis. In conclusion, inhibitory effects of BPs on migration capacity of DSCs localized in close proximity to the jaw bone might be the primary reason for the side effects of BPs in the development of BIONJ process. Therefore, further in vivo evidence is required to investigate DSC properties in BP treated animals which might elucidate the importance of DSCs in BIONJ formation.
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Affiliation(s)
- Hüseyin Abdik
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Ezgi Avşar Abdik
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Selami Demirci
- National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD, USA
| | - Ayşegül Doğan
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Duygu Turan
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey
| | - Fikrettin Şahin
- Department of Genetics and Bioengineering, Faculty of Engineering and Architecture, Yeditepe University, Istanbul, Turkey.
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16
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Abstract
PURPOSE OF REVIEW Osteonecrosis of the jaw (ONJ) is a rare and severe necrotic bone disease reflecting a compromise in the body's osseous healing mechanisms and unique to the craniofacial region. Antiresorptive and antiangiogenic medications have been suggested to be associated with the occurrence of ONJ; yet, the pathophysiology of this disease has not been fully elucidated. This article raises the current theories underlying the pathophysiology of ONJ. RECENT FINDINGS The proposed mechanisms highlight the unique localization of ONJ. The evidence-based mechanisms of ONJ pathogenesis include disturbed bone remodeling, inflammation or infection, altered immunity, soft tissue toxicity, and angiogenesis inhibition. The role of dental infections and the oral microbiome is central to ONJ, and systemic conditions such as rheumatoid arthritis and diabetes mellitus contribute through their impact on immune resiliency. Current experimental studies on mechanisms of ONJ are summarized. The definitive pathophysiology is as yet unclear. Recent studies are beginning to clarify the relative importance of the proposed mechanisms. A better understanding of osteoimmunology and the relationship of angiogenesis to the development of ONJ is needed along with detailed studies of the impact of drug holidays on the clinical condition of ONJ.
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Affiliation(s)
- J Chang
- Department of Periodontology, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - A E Hakam
- Department of Periodontology, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - L K McCauley
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, 1011 North University Ave, Ann Arbor, MI, 48109, USA.
- Department of Pathology, Medical School, University of Michigan, Ann Arbor, MI, USA.
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17
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Akita Y, Kuroshima S, Nakajima K, Hayano H, Kanai R, Sasaki M, Sawase T. Effect of anti-angiogenesis induced by chemotherapeutic monotherapy, chemotherapeutic/bisphosphonate combination therapy and anti-VEGFA mAb therapy on tooth extraction socket healing in mice. J Bone Miner Metab 2018; 36:547-559. [PMID: 29043461 DOI: 10.1007/s00774-017-0872-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 09/16/2017] [Indexed: 10/18/2022]
Abstract
Osteonecrosis of the jaw (ONJ), which is a rare but severe adverse effect, mainly occurs in oncology patients receiving chemotherapeutic agents and bisphosphonates. However, the combined impact of chemotherapy and bisphosphonates on wound healing after tooth extraction remains unknown. The aim of this study was to determine the precise etiology of ONJ induced by chemotherapy and bisphosphonate combination therapy. Mice received zoledronate (ZA) monotherapy, cyclophosphamide (CY) monotherapy or CY/ZA combination therapy. The maxillary first molars were extracted 3 weeks after the initiation of drug treatment. Moreover, antivascular endothelial growth factor A (VEGFA) monoclonal antibody (mAb) was administered once every 2 days just after tooth extraction for 2 weeks. Soft and hard tissue wound healing was evaluated 2 and 4 weeks post-extraction using histomorphometry, microcomputed tomography and immunohistochemistry. ZA monotherapy did not induce impaired oral wound healing and ONJ-like lesions 2 and 4 weeks post-extraction, respectively. Tooth extraction socket healing worsened with severe anti-angiogenesis by CY monotherapy and CY/ZA combination therapy 2 weeks post-extraction. However, CY monotherapy rarely induced ONJ-like lesions with severe angiogenesis suppression, whereas CY/ZA combination therapy frequently induced ONJ-like lesions with severe angiogenesis inhibition 4 weeks post-extraction. Interestingly, anti-VEGFA mAb therapy delayed osseous wound healing with normal soft tissue wound healing of tooth extraction sockets, although this therapy significantly suppressed blood vessel formation. Our findings suggest that anti-angiogenesis alone is not the main cause of ONJ-like lesions induced by CY/ZA combination therapy. The combination of suppressed osteoclasts and anti-angiogenesis, in addition to other risk factors such as chemotherapy, may contribute to the development of ONJ.
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Affiliation(s)
- Yuri Akita
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Shinichiro Kuroshima
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan.
- Oral & Maxillofacial Implant Center, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan.
| | - Kazunori Nakajima
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Hiroki Hayano
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Riho Kanai
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Muneteru Sasaki
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Takashi Sawase
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
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18
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Ohmura K, Kato M, Watanabe T, Oku K, Bohgaki T, Horita T, Yasuda S, Ito YM, Sato N, Atsumi T. Effect of combined treatment with bisphosphonate and vitamin D on atherosclerosis in patients with systemic lupus erythematosus: a propensity score-based analysis. Arthritis Res Ther 2018; 20:72. [PMID: 29665863 PMCID: PMC5905171 DOI: 10.1186/s13075-018-1589-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/04/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Premature atherosclerosis is one of the major complications of systemic lupus erythematosus (SLE). Recently, the biological linkage between atherosclerosis and osteoporosis has garnered much attention. The aim of this study is to explore correlation between the development of atherosclerosis and anti-osteoporotic treatment. METHODS Consecutive patients with SLE (n = 117) who underwent carotid ultrasonography were retrospectively analyzed using propensity scoring. RESULTS Of the 117 patients, 42 (36%), 27 (23%), and 30 (26%) were receiving bisphosphonates and vitamin D (BP + VD), bisphosphonates alone, or vitamin D alone, respectively. Low bone mineral density was more frequent, and carotid plaque was less prevalent in the BP + VD group compared with other treatment groups. Age (OR = 1.57) and BP + VD treatment (OR = 0.24) were shown by multivariate analysis to be associated with the presence of carotid plaque. In all strata divided using the propensity score, carotid plaque was statistically significantly less prevalent (p = 0.015, Mantel-Haenszel test) in the BP + VD group relative to the other treatment groups. CONCLUSION Combined treatment with bisphosphonate and vitamin D may have a role in preventing atherosclerosis in patients with SLE.
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Affiliation(s)
- Kazumasa Ohmura
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masaru Kato
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.
| | - Toshiyuki Watanabe
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kenji Oku
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Toshiyuki Bohgaki
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tetsuya Horita
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinsuke Yasuda
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yoichi M Ito
- Department of Biostatistics, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Norihiro Sato
- Hokkaido University Hospital Clinical Research and Medical Innovation Center, Sapporo, Japan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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19
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Park JB, Cho SH, Kim I, Lee W, Kang SH, Kim H. Evaluation of the bisphosphonate effect on stem cells derived from jaw bone and long bone rabbit models: A pilot study. Arch Oral Biol 2018; 85:178-182. [PMID: 29101872 DOI: 10.1016/j.archoralbio.2017.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 10/14/2017] [Accepted: 10/30/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND OBJECTIVE Bisphosphonates have been widely used and the number of patients experiencing medication-related osteonecrosis of the jaw (MRONJ) has been increasing. This study was designed to evaluate the effect of zoledronate on stem cells derived from different tissues. DESIGN Stem cells derived from four different tissues were compared using rabbit models (JPO: periosteum from the jaw bone (mandible), JBM: bone marrow from the jaw bone, LPO: periosteum from long bone (tibia), and LBM: bone marrow from long bone). Stem cells were grown in the presence of zoledronate at final concentrations ranging from 10-6M to 10-10M. Morphology was viewed under an inverted microscope, and the analysis of cell proliferation was performed using a Cell Counting Kit-8 (CCK-8) on days 1, 2, 4, and 7. RESULTS The CCK-8 results for LBM showed that the increase of CCK-8 values was correlated with a longer incubation time. Compared to the untreated control, growth in the presence of zoledronate at 10-10M and 10-8M resulted in decreased CCK-8 values for LBM on day 7 (P<0.05). The CCK-8 results for JBM, LPO, and JPO on days 1, 2, 4, and 7 showed that the presence of zoledronate did not produce statistically significant changes compared with the untreated control. CONCLUSION Zoledronate in the tested concentrations from JBM, LPO, and JPO did not produce noticeable alterations in the viability of mesenchymal stem cells. This in vitro experiment suggests that the occurrence of MRONJ solely in the oral cavity is not due to differences in the cellular proliferation of stem cells in the response to zoledronate.
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Affiliation(s)
- Jun-Beom Park
- Department of Periodontics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Department of Dental Implantology, Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Hyun Cho
- Department of Dental Implantology, Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Republic of Korea
| | - InSoo Kim
- Department of Dental Implantology, Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Republic of Korea; Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Won Lee
- Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Hwan Kang
- Department of Dental Implantology, Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Republic of Korea; Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Heesung Kim
- Department of Oral and Maxillofacial Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; Institute of Foreign Language Studies, Korea University, Seoul, Republic of Korea
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20
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Annual review of selected scientific literature: Report of the committee on scientific investigation of the American Academy of Restorative Dentistry. J Prosthet Dent 2017; 118:281-346. [DOI: 10.1016/j.prosdent.2017.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/27/2017] [Accepted: 04/27/2017] [Indexed: 01/19/2023]
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21
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Skeletal Site-specific Effects of Zoledronate on in vivo Bone Remodeling and in vitro BMSCs Osteogenic Activity. Sci Rep 2017; 7:36129. [PMID: 28139685 PMCID: PMC5282532 DOI: 10.1038/srep36129] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 10/10/2016] [Indexed: 02/06/2023] Open
Abstract
Bisphosphonate-related osteonecrosis of the jaw (BRONJ) has been associated with long-term oral or intravenous administration of nitrogen-containing bisphosphonates (BPs). However, the pathogenesis of BRONJ remains unknown, and definitively effective treatment has not yet been established. Bisphosphonate-related osteonecrosis (BRON) tends to occur in maxillofacial bones. Why this occurs is still unclear. Here we show that zoledronate (Zol) treatment suppresses alveolar bone remodeling after tooth typical clinical and radiographic hallmarks of the human BRONJ, whereas enhances peripheral bone quantity in bone remodeling following injury in the same individuals, shown as increased cortical bone thickness, increased trabecular bone formation and accelerated bone defect repair. We find that the RANKL/OPG ratio and Wnt-3a expression are suppressed at the extracted alveolar sites in Zol-treated rats compared with those at the injured sites of peripheral bones. We also show that Zol-treated bone marrow stromal cell (BMSCs) derived from jaw and peripheral bones exhibit differences in cell proliferation, alkaline phosphatase (ALP) activity, expression of osteogenic and chondrogenic related marker genes, and in vivo bone formation capacity. Hopefully, this study will help us better understand the pathogenesis of BRONJ, and deepen the theoretical research.
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22
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Gałȩzowska J, Czapor-Irzabek H, Janicki R, Chmielewska E, Janek T. New aspects of coordination chemistry and biological activity of NTMP-related diphosphonates containing a heterocyclic ring. NEW J CHEM 2017. [DOI: 10.1039/c7nj02415k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two aminodiphosphonic chelating agents are studied toward a series of metal ions (Cu2+, Ni2+, Zn2+, Ca2+, Mg2+) to give a thermodynamic picture of their binding abilities and the influence of free ligands and their complexes on human melanoma and human colon adenocarcinoma cells.
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Affiliation(s)
- J. Gałȩzowska
- Department of Inorganic Chemistry
- Wrocław Medical University
- 50-556 Wroclaw
- Poland
| | - H. Czapor-Irzabek
- Laboratory of Elemental Analysis and Structural Research
- Wrocław Medical University
- 50-556 Wroclaw
- Poland
| | - R. Janicki
- Faculty of Chemistry
- University of Wrocław
- F. Joliot-Curie 14
- 50-383 Wrocław
- Poland
| | - E. Chmielewska
- Department of Bioorganic Chemistry
- Faculty of Chemistry
- Wrocław University of Science and Technology
- Wrocław
- Poland
| | - T. Janek
- Department of Inorganic Chemistry
- Wrocław Medical University
- 50-556 Wroclaw
- Poland
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23
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Pabst AM, Krüger M, Blatt S, Ziebart T, Rahimi-Nedjat R, Goetze E, Walter C. Angiogenesis in the Development of Medication-Related Osteonecrosis of the Jaws: An Overview. Dent J (Basel) 2016; 5:dj5010002. [PMID: 29563407 PMCID: PMC5806993 DOI: 10.3390/dj5010002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 11/24/2016] [Accepted: 12/20/2016] [Indexed: 12/30/2022] Open
Abstract
Medication-related osteonecrosis of the jaws (MR-ONJ) is one of the most relevant side effects of bisphosphonate therapy; it is clinically defined as a non-healing wound in combination with an avascular and necrotic jaw within ongoing bisphosphonate therapy or after completed bisphosphonate therapy. Different theories concerning the development of MR-ONJ have been reported, while the exact pathophysiology is still unknown. Recent studies have increasingly focused on angiogenesis and revascularization concerning MR-ONJ pathophysiology, which seems to be a relevant factor in the development of MR-ONJ and a possible and promising point of action for MR-ONJ prevention and therapy. Therefore, and with respect to the different aspects and specific forms of angiogenesis, the enclosed review summarizes the possible role of angiogenesis and revascularization in the pathophysiology of MR-ONJ. Special focus is given to the strong negative influence of bisphosphonates on progenitor and mature endothelial cells in vitro as well as on microvessel sprouting in vitro and in vivo, which might result in overall reduced wound healing of oral soft and hard tissues, and therefore in an exposed and avascular jaw from a clinical viewpoint. Further, it will be summarized whether and in what way the aspect of angiogenesis might be used for possible MR-ONJ prevention and therapy.
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Affiliation(s)
- Andreas Max Pabst
- Department of Oral- and Maxillofacial Surgery, General Armed Forces Hospital, Rübenacherstr. 170, 56072 Koblenz, Germany.
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
| | - Maximilian Krüger
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
| | - Sebastian Blatt
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
| | - Thomas Ziebart
- Department of Oral- and Maxillofacial Surgery, University Clinic, Georg-Voigt-Straße 3, 35039 Marburg, Germany.
| | - Roman Rahimi-Nedjat
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
| | - Elisabeth Goetze
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
| | - Christian Walter
- Department of Oral- and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131 Mainz, Germany.
- Oral and Maxillofacial Surgery, Mediplus Clinic, Haifa-Allee 20, 55128 Mainz, Germany.
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