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Arimoto S, Hasegawa T, Iwata E, Takeda D, Akashi M. Effect of compression on mandibular fracture haematoma-derived cells. Br J Oral Maxillofac Surg 2022; 60:1216-1223. [PMID: 35811262 DOI: 10.1016/j.bjoms.2022.06.001] [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: 12/20/2021] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 11/18/2022]
Abstract
Mechanical stress induces a variety of biochemical and morphological reactions in bone cell biology. This study aimed to investigate appropriate pressures of osteogenesis on the biological responses of 3-dimensional cultured human mandibular fracture haematoma-derived cells by compressive loading. Six patients with mandibular fractures who underwent open reduction and internal fixation were included in the study. During the operation, fracture haematomas that formed fibrin clots were manually removed before irrigation. First, pressures were applied to human mandibular fracture haematoma-derived cell-seeded collagen sponges. The sponges were subjected to mechanical compression using loading equipment applied at no compression, 0.5, or 1 mm. Compressive loading was applied to the samples prior to compression for 0, 6, 12, or 24 hours. Collagen sponge samples were collected for quantification of mRNA using several parameters including alkaline phosphatase (ALP), osteopontin (OPN), osterix (OSX), runt-related gene 2 (RUNX2), protein level, and immunocytochemistry (anti-sclerostin). Among these the 0.5 mm compression group compared with the control and 1.0 mm compression groups upregulated mRNA expression of OPN and OSX after 24 hours. Additionally, compared with the control group, a significantly higher OSX gene expression was observed in both the 0.5 mm and 1.0 mm groups after 6, 12, and 24 hours of compression (p < 0.05). However, no significant differences were observed regarding ALP and RUNX2 expression. These results indicated increased stimulation of osteogenesis of the mandibular fracture-line gap in the 0.5 mm compression group compared with the control and 1.0 mm compression groups.
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Affiliation(s)
- Satomi Arimoto
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Japan
| | - Takumi Hasegawa
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Japan.
| | - Eiji Iwata
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Japan
| | - Daisuke Takeda
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Japan
| | - Masaya Akashi
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, Japan
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2
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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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Fliefel R, El Ashwah A, Entekhabi S, Kumbrink J, Ehrenfeld M, Otto S. Bifunctional effect of Zoledronic Acid (ZA) on human mesenchymal stem cells (hMSCs) based on the concentration level. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2020; 121:634-641. [PMID: 32171967 DOI: 10.1016/j.jormas.2020.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/02/2020] [Accepted: 03/04/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Treatment of massive bone defects is a great challenge. Mesenchymal stem cells (MSCs) enhance bone regeneration by differentiating into osteoblasts. Bisphosphonates (BPs) are antiresorptives reducing bone resorption. Despite Medication-related osteonecrosis of the jaw (MRONJ) is a known side effect of antiresorptives, evidences suggest that BPs have positive effect on bone formation. The aims of this study were to investigate the effect of zoledronic acid (ZA) and geranylgeraniol (GGOH) on human mesenchymal stem cells (hMSCs) being a part of the bone microenvironment and evaluate whether low dose of bisphosphonate has enhanced osteogenic differentiation of hMSCs. MATERIALS AND METHODS The effect of ZA and GGOH on MSCs was investigated in addition to the effect of low doses of ZA on osteogenic differentiation of MSCs and analysed by WST-1, Live/Dead staining and coefficient of drug index (CDI). The osteogenic differentiation of the cells was confirmed by ALP activity, xylenol orange and alizarin red staining, microarray and PCR with levels of statistical significance indicated at *P<0.05, **P<0.01 and ***P<0.0001. MAIN FINDINGS Although, high concentration of ZA had significantly decreased the cell viability in MSCs, GGOH reversed the action of ZA on the cells while at very high concentration; it caused severe reduction in the cell viability. CDI showed antagonism or synergism depending on the concentrations of ZA and GGOH. CONCLUSION The treatment of cells with ZA has increased the mineralization and osteogenic differentiation of MSCs. Our study supported the hypothesis that zoledronic acid plays a bifunctional role depending on the concentration.
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Affiliation(s)
- R Fliefel
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany; Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany; Department of Oral and Maxillofacial Surgery, Alexandria-University, Champollion Street, 21500 Alexandria, Egypt.
| | - A El Ashwah
- Department of Oral and Maxillofacial Surgery, Alexandria-University, Champollion Street, 21500 Alexandria, Egypt
| | - S Entekhabi
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany
| | - J Kumbrink
- Institute of Pathology, Medical Faculty, Ludwig-Maximilians-University, 36,Thalkirchner street, 80337 Munich Germany
| | - M Ehrenfeld
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - S Otto
- Experimental Surgery and Regenerative Medicine (ExperiMed), Ludwig-Maximilians-University, Nussbaumstrasse 20, 80336 Munich, Germany; Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, Ludwig-Maximilians-University, Lindwurmstrasse 2a, 80337 Munich, Germany
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Fouad-Elhady EA, Aglan HA, Hassan RE, Ahmed HH, Sabry GM. Modulation of bone turnover aberration: A target for management of primary osteoporosis in experimental rat model. Heliyon 2020; 6:e03341. [PMID: 32072048 PMCID: PMC7011045 DOI: 10.1016/j.heliyon.2020.e03341] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 01/14/2020] [Accepted: 01/29/2020] [Indexed: 12/12/2022] Open
Abstract
Osteoporosis is a skeletal degenerative disease characterised by abnormal bone turnover with scant bone formation and overabundant bone resorption. The present approach was intended to address the potency of nanohydroxyapatite (nHA), chitosan/hydroxyapatite nanocomposites (nCh/HA) and silver/hydroxyapatite nanoparticles (nAg/HA) to modulate bone turnover deviation in primary osteoporosis induced in the experimental model. Characterisation techniques such as TEM, zeta-potential, FT-IR and XRD were used to assess the morphology, the physical as well as the chemical features of the prepared nanostructures. The in vivo experiment was conducted on forty-eight adult female rats, randomised into 6 groups (8 rats/group), (1) gonad-intact, (2) osteoporotic group, (3) osteoporotic + nHA, (4) osteoporotic + nCh/HA, (5) osteoporotic + nAg/HA and (6) osteoporotic + alendronate (ALN). After three months of treatment, serum sclerostin (SOST), bone alkaline phosphatase (BALP) and bone sialoprotein (BSP) levels were quantified using ELISA. Femur bone receptor activator of nuclear factor-kappa B (NF-κB) ligand (RANKL) and cathepsin K (CtsK) mRNA levels were evaluated by quantitative RT-PCR. Moreover, alizarin red S staining was applied to determine the mineralisation intensity of femur bone. Findings in the present study indicated that treatment with nHA, nCh/HA or nAg/HA leads to significant repression of serum SOST, BALP and BSP levels parallel to a significant down-regulation of RANKL and CtsK gene expression levels. On the other side, significant enhancement in the calcification intensity of femur bone has been noticed. The outcomes of this experimental setting ascertained the potentiality of nHA, nCh/HA and nAg/HA as promising nanomaterials in attenuating the excessive bone turnover in the primary osteoporotic rat model. The mechanisms behind the efficacy of the investigated nanostructures involved the obstacle of serum and tissue indices of bone resorption besides the strengthening of bone mineralisation.
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Affiliation(s)
- Enas A Fouad-Elhady
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Hadeer A Aglan
- Hormones Department, Medical Research Division, National Research Centre, Giza, Egypt.,Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Giza, Egypt
| | - Rasha E Hassan
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Hanaa H Ahmed
- Hormones Department, Medical Research Division, National Research Centre, Giza, Egypt.,Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Giza, Egypt
| | - Gilane M Sabry
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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Zandi M, Dehghan A, Talimkhani I, Rezaeian L, Mohammad Gholi Mezerji N. Histological evaluation of the healing process of autografted mandibular bone defects in rats under treatment with zoledronate. J Craniomaxillofac Surg 2019; 47:1779-1786. [PMID: 31635981 DOI: 10.1016/j.jcms.2019.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 08/13/2019] [Accepted: 08/14/2019] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE This study aims to evaluate the healing process of autografted mandibular bone defects in rats treated with zoledronate (ZOL). SUBJECTS AND METHODS A total of 180 Wistar rats were divided into four groups: group L received intravenous infusion of two doses of 0.06 mg/kg ZOL, nine weeks apart; group H received 0.06 mg/kg ZOL, while groups C and NC received normal saline at three-week intervals for nine weeks. Three weeks following the last infusion, a unilateral mandibular bone defect (5 mm) was created. Except in the NC group, all defects were repaired with autologous iliac bone graft. Fifteen animals from each group were sacrificed on postoperative Day 20, Day 40, and Day 60. Graft healing was scored using a histological grading system (ranging from 1 to 6). RESULTS Histological evaluations performed on postoperative Day 60 showed that the mandibular defects were mainly repaired with fibrous tissue in the NC and H groups (93.00% ± 7.51% and 82.67% ± 13.08%, respectively) and with bone in the C and L groups (75.33% ± 14.20% and 92.67% ± 8.84%, respectively). The percentage of fibrous tissue and bone as well as the healing score of the NC and H groups were significantly different (P = 0.001) from those of the C and L groups. However, these were not different between neither the NC and H groups nor the C and L groups. CONCLUSION Based on the results of the present study the hypothesis can be established that there also might be a dose-dependent effect of ZOL on the healing of bone grafts in humans. This hypothesis has to be verified or rejected in clinical trials.
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Affiliation(s)
- Mohammad Zandi
- Department of Oral and Maxillofacial Surgery, Hamadan University of Medical Sciences, Hamadan, Iran; Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Arash Dehghan
- Department of Pathology, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ideh Talimkhani
- Department of Oral and Maxillofacial Surgery, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Leila Rezaeian
- Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Hai J, Tan X, Yang S, Chen F, Li T, Yang X, Zhu Y, Wang B. Facile preparation of a Ca(ii) carboxymethyl cellulose complex with enhanced calcium bioavailability for treatment of osteoporosis. Dalton Trans 2019; 48:5735-5740. [PMID: 30972392 DOI: 10.1039/c9dt00202b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
At present, though calcium (Ca) reagents with high calcium contents are widely synthesized, their wide application is limited due to their low absorption rates and poor bioavailability. Here we use a carboxymethyl cellulose (CMC) derivative with high water solubility and biocompatibility as a ligand to bind Ca2+. The resulting CaCMC complex exhibits remarkable solubility and absorbability under both basic and acidic conditions as well as in stomach mimicking and the gastrointestinal tract. Importantly, this Ca reagent shows high in vivo calcium bioavailability. Data from osteoporosis mouse models show that the CaCMC complex is superior to calcium carbonate in the treatment of osteoporosis. Therefore, the resulting CaCMC complex is used as a new, highly effective and desirable Ca supplement for daily life and clinical applications.
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Affiliation(s)
- Jun Hai
- State Key Laboratory of Applied Organic Chemistry Lanzhou University and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, China.
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Giannasi C, Niada S, Farronato D, Lombardi G, Manfredi B, Farronato G, Brini AT. Nitrogen Containing Bisphosphonates Impair the Release of Bone Homeostasis Mediators and Matrix Production by Human Primary Pre-Osteoblasts. Int J Med Sci 2019; 16:23-32. [PMID: 30662325 PMCID: PMC6332484 DOI: 10.7150/ijms.27470] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/11/2018] [Indexed: 12/22/2022] Open
Abstract
Bisphosphonates (BPs) represent the first-line treatment for a wide array of bone disorders. Despite their well-known action on osteoclasts, the effects they induce on osteoblasts are still unclear. In order to shed light on this aspect we evaluated the impact of two nitrogen containing bisphosphonates, Alendronate (ALN) and Zoledronate (ZOL), on human primary pre-osteoblasts. At first, we showed an inhibitory effect on cell viability and alkaline phosphatase activity starting from µM concentrations of both drugs. In addition, an inhibitory trend on mineralized nodules deposition was observed. Then low doses of both ALN and ZOL rapidly increased the release of the pro-inflammatory mediators TNFα and IL-1β, while increased DKK-1 and Sclerostin, both inhibitors of osteoblastogenesis. Finally, ALN and 10-7M ZOL decreased the expression of type I Collagen and Osteopontin, while both drugs slightly stimulated SPARC production. With these results, we would like to suggest a direct inhibitory action on bone-forming cells by nitrogen containing bisphosphonates.
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Affiliation(s)
- Chiara Giannasi
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | | | - Davide Farronato
- Department of Medicine and Surgery, Insubria University, Varese, Italy
| | | | - Barbara Manfredi
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Giampietro Farronato
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Anna Teresa Brini
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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