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Wang S, Liu J, Caroprese M, Gianfreda F, Melloni F, DE Santis D. Exploring the potential of calcium-based biomaterials for bone regeneration in dentistry: a systematic review. Minerva Dent Oral Sci 2024; 73:169-180. [PMID: 38127421 DOI: 10.23736/s2724-6329.23.04859-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Regenerative medicine emerged as a promising strategy for addressing bone defects, with several bone grafts currently being used, including autografts, allografts, xenografts and alloplasts. Calcium-based biomaterials (CaXs), a well-known class of synthetic materials, have demonstrated good biological properties and are being investigated for their potential to facilitate bone regeneration. This systematic review evaluates the current clinical applications of CaXs in dentistry for bone regeneration. EVIDENCE ACQUISITION A comprehensive search was conducted to collect information about CaXs and their applications in the dental field over the last ten years. The search was limited to relevant articles published in peer-reviewed journals. EVIDENCE SYNTHESIS A total of 72 articles were included in this scoping review, with eight studies related to periodontology, 63 in implantology and three in maxillofacial surgery respectively. The findings suggest that CaXs hold promise as an alternative intervention for minor bone regeneration in dentistry. CONCLUSIONS Calcium-based biomaterials have shown potential as a viable option for bone regeneration in dentistry. Further research is warranted to fully understand their efficacy and safety in larger bone defects. CaXs represent an exciting avenue for researchers and clinicians to explore in their ongoing efforts to advance regenerative medicine.
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Affiliation(s)
- Siwei Wang
- Department of Dental Implantology, The Affiliated Stomatological Hospital, Zunyi Medical University, Zunyi, Guizhou, China
| | - Jianguo Liu
- Key Laboratory of Oral Disease Research, School of Stomatology, Zunyi Medical University, Zunyi, Guizhou, China
| | - Marino Caroprese
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
| | - Francesco Gianfreda
- Department of Industrial Engineering, University of Rome Tor Vergata, Rome, Italy
| | - Federica Melloni
- Section of Head and Neck Surgery, Department of Surgery, Dentistry, Pediatrics, and Gynecology, University of Verona, Verona, Italy
| | - Daniele DE Santis
- Section of Head and Neck Surgery, Department of Surgery, Dentistry, Pediatrics, and Gynecology, University of Verona, Verona, Italy -
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Mourão CF, Dohle E, Bayrak B, Winter A, Sader R, Ghanaati S. Leukocytes within Autologous Blood Concentrates Have No Impact on the Growth and Proliferation of Human Primary Osteoblasts: An In Vitro Study. Int J Mol Sci 2024; 25:4542. [PMID: 38674127 PMCID: PMC11050025 DOI: 10.3390/ijms25084542] [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: 03/28/2024] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
Platelet-rich fibrin (PRF) is a widely used autologous blood concentrate in regenerative medicine. This study aimed to characterize the cellular composition and distribution of different PRF matrices generated by high (710 g) and low (44 g) relative centrifugal forces (RCFs) and to analyze their bioactivity on human primary osteoblasts (pOBs). PRF was separated into upper layer (UL) and buffy coat (BC) fractions, and their cellular contents were assessed using histological and immunohistochemical staining. The release of platelet-derived growth factor (PDGF) and transforming growth factor (TGF-β) was quantified using an ELISA. Indirect PRF treatment on pOBs was performed to evaluate cell viability and morphology. A histological analysis revealed higher quantities of leukocytes and platelets in the low-RCF PRF. TGF-β release was significantly higher in the low-RCF PRF compared to the high-RCF PRF. All PRF fractions promoted pOB proliferation regardless of the centrifugation protocol used. The low-RCF PRF showed higher TGF-β levels than the high-RCF PRF. These findings contribute to understanding the cellular mechanisms of PRF and provide insights into optimizing PRF protocols for bone regeneration, advancing regenerative medicine, and improving patient outcomes.
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Affiliation(s)
- Carlos Fernando Mourão
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA 02111, USA;
| | - Eva Dohle
- FORM—Frankfurt Orofacial Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Johann Wolfgang Goethe University, 60590 Frankfurt, Germany; (B.B.); (A.W.); (R.S.)
| | - Büşra Bayrak
- FORM—Frankfurt Orofacial Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Johann Wolfgang Goethe University, 60590 Frankfurt, Germany; (B.B.); (A.W.); (R.S.)
| | - Anne Winter
- FORM—Frankfurt Orofacial Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Johann Wolfgang Goethe University, 60590 Frankfurt, Germany; (B.B.); (A.W.); (R.S.)
| | - Robert Sader
- FORM—Frankfurt Orofacial Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Johann Wolfgang Goethe University, 60590 Frankfurt, Germany; (B.B.); (A.W.); (R.S.)
| | - Shahram Ghanaati
- FORM—Frankfurt Orofacial Regenerative Medicine, Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Johann Wolfgang Goethe University, 60590 Frankfurt, Germany; (B.B.); (A.W.); (R.S.)
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de Lima Barbosa R, Rodrigues Santiago Rocha N, Stellet Lourenço E, de Souza Lima VH, Mavropoulos E, Mello-Machado RC, Spiegel C, Mourão CF, Alves GG. The Association of Nanostructured Carbonated Hydroxyapatite with Denatured Albumin and Platelet-Rich Fibrin: Impacts on Growth Factors Release and Osteoblast Behavior. J Funct Biomater 2024; 15:18. [PMID: 38248685 PMCID: PMC10817063 DOI: 10.3390/jfb15010018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/24/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024] Open
Abstract
Platelet-rich Fibrin (PRF), a second-generation blood concentrate, offers a versatile structure for bone regeneration due to its composition of fibrin, growth factors, and cytokines, with adaptations like denatured albumin-enriched with liquid PRF (Alb-PRF), showing potential for enhanced stability and growth factor dynamics. Researchers have also explored the combination of PRF with other biomaterials, aiming to create a three-dimensional framework for enhanced cell recruitment, proliferation, and differentiation in bone repair studies. This study aimed to evaluate a combination of Alb-PRF with nanostructured carbonated hydroxyapatite microspheres (Alb-ncHA-PRF), and how this association affects the release capacity of growth factors and immunomodulatory molecules, and its impact on the behavior of MG63 human osteoblast-like cells. Alb-PRF membranes were prepared and associated with nanocarboapatite (ncHA) microspheres during polymerization. MG63 cells were exposed to eluates of both membranes to assess cell viability, proliferation, mineralization, and alkaline phosphatase (ALP) activity. The ultrastructural analysis has shown that the spheres were shattered, and fragments were incorporated into both the fibrin mesh and the albumin gel of Alb-PRF. Alb-ncHA-PRF presented a reduced release of growth factors and cytokines when compared to Alb-PRF (p < 0.05). Alb-ncHA-PRF was able to stimulate osteoblast proliferation and ALP activity at lower levels than those observed by Alb-PRF and was unable to positively affect in vitro mineralization by MG63 cells. These findings indicate that the addition of ncHA spheres reduces the biological activity of Alb-PRF, impairing its initial effects on osteoblast behavior.
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Affiliation(s)
- Renata de Lima Barbosa
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | | | - Emanuelle Stellet Lourenço
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Victor Hugo de Souza Lima
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Elena Mavropoulos
- Brazilian Center for Physics Research, Rio de Janeiro 22290-180, Brazil
| | | | - Carolina Spiegel
- Department of Cellular and Molecular Biology, Fluminense Federal University, Niteroi 24033-900, Brazil
| | - Carlos Fernando Mourão
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Gutemberg Gomes Alves
- Graduate Program in Science and Biotechnology, Fluminense Federal University, Niteroi 24210-201, Brazil
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24033-900, Brazil
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Gasperini FM, Fernandes GVO, Mitri FF, Calasans-Maia MD, Mavropoulos E, Malta Rossi A, Granjeiro JM. Histomorphometric evaluation, SEM, and synchrotron analysis of the biological response of biodegradable and ceramic hydroxyapatite-based grafts: from the synthesis to the bed application. Biomed Mater 2023; 18:065023. [PMID: 37844570 DOI: 10.1088/1748-605x/ad0397] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
This study aimed to analyze the physicochemical and histological properties of nanostructured hydroxyapatite and alginate composites produced at different temperatures with and without sintering and implanted in rabbit tibiae. Hydroxyapatite-alginate (HA) microspheres (425-600 µm) produced at 90 and 5 °C without (HA90 and HA5) or with sintering at 1000 °C (HA90S and HA5S) were characterized and applied to evaluate thein vitrodegradation; also were implanted in bone defects on rabbit's tibiae (n= 12). The animals were randomly divided into five groups (blood clot, HA90S, HA5S, HA90, and HA5) and euthanized after 7 and 28 d. X-ray diffraction and Fourier-transform infrared analysis of the non-sintered biomaterials showed a lower crystallinity than sintered materials, being more degradablein vitroandin vivo. However, the sinterization of HA5 led to the apatite phase's decomposition into tricalcium phosphate. Histomorphometric analysis showed the highest (p< 0.01) bone density in the blood clot group, similar bone levels among HA90S, HA90, and HA5, and significantly less bone in the HA5S. HA90 and HA5 groups presented higher degradation and homogeneous distribution of the new bone formation onto the surface of biomaterial fragments, compared to HA90S, presenting bone only around intact microspheres (p< 0.01). The elemental distribution (scanning electron microscope and energy dispersive spectroscopy andμXRF-SR analysis) of Ca, P, and Zn in the newly formed bone is similar to the cortical bone, indicating bone maturity at 28 d. The synthesized biomaterials are biocompatible and osteoconductive. The heat treatment directly influenced the material's behavior, where non-sintered HA90 and HA5 showed higher degradation, allowing a better distribution of the new bone onto the surface of the biomaterial fragments compared to HA90S presenting the same level of new bone, but only on the surface of the intact microspheres, potentially reducing the bone-biomaterial interface.
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Affiliation(s)
- Flávio Marcos Gasperini
- Prosthetic Dentistry Department, Dentistry School, Iguaçu University Nova Iguaçu, RJ, Brazil
| | | | - Fabio Franceschini Mitri
- Department of Morphology, Biomedical Sciences Institute, Federal Uberlandia University, Uberlandia, MG, Brazil
| | - Mônica Diuana Calasans-Maia
- Clinical Research Laboratory in Dentistry, Dentistry School, Fluminense Federal University, Niteroi, RJ, Brazil
| | - Elena Mavropoulos
- Biomaterials Laboratory-LABIOMAT, Brazilian Center of Physics Research, Rio de Janeiro, RJ, Brazil
| | - Alexandre Malta Rossi
- Biomaterials Laboratory-LABIOMAT, Brazilian Center of Physics Research, Rio de Janeiro, RJ, Brazil
| | - José Mauro Granjeiro
- Clinical Research Laboratory in Dentistry, Dentistry School, Fluminense Federal University, Niteroi, RJ, Brazil
- Laboratory of Biology, Coordination of Biology, National Institute of Metrology, Quality, and Technology, Duque de Caxias, RJ, Brazil
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Mourão CF, Lowenstein A, Mello-Machado RC, Ghanaati S, Pinto N, Kawase T, Alves GG, Messora MR. Standardization of Animal Models and Techniques for Platelet-Rich Fibrin Production: A Narrative Review and Guideline. Bioengineering (Basel) 2023; 10:482. [PMID: 37106669 PMCID: PMC10135737 DOI: 10.3390/bioengineering10040482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Experimental research is critical for advancing medical knowledge and enhancing patient outcomes, including in vitro and in vivo preclinical assessments. Platelet-rich fibrin (PRF) is a blood by-product that has garnered attention in the medical and dental fields due to its potential for tissue regeneration and wound healing. Animal models, such as rabbits and rats, have been used to produce PRF and examine its properties and applications. PRF has demonstrated potential in the dental and medical fields for reducing inflammation, promoting tissue repair, and accelerating wound healing. This narrative review aims to compare existing evidence and provide guidelines for PRF animal research, emphasizing the importance of standardizing animal models, following ethical considerations, and maintaining transparency and accountability. The authors highlight the necessity to use the correct relative centrifugal force (RCF), standardize centrifugal calibration, and report detailed information about blood collection and centrifuge parameters for reproducible results. Standardizing animal models and techniques is crucial for narrowing the gap between laboratory research and clinical applications, ultimately enhancing the translation of findings from bench to bedside.
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Affiliation(s)
- Carlos Fernando Mourão
- Department of Periodontology, Division of Dental Research Administration, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Adam Lowenstein
- Department of Periodontology, Division of Dental Research Administration, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | | | - Shahram Ghanaati
- Frankfurt Oral Regenerative Medicine, Clinic for Maxillofacial and Plastic Surgery, Johann Wolfgang Goethe University, 60596 Frankfurt Am Main, Germany
| | - Nelson Pinto
- Department of Periodontics and Implant Dentistry, University of the Andes, Santiago 12455, Chile
| | - Tomoyuki Kawase
- Division of Oral Bioengineering, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8514, Japan
| | - Gutemberg Gomes Alves
- Clinical Research Unit, Antonio Pedro Hospital, Fluminense Federal University, Niterói 24033-900, Brazil
| | - Michel Reis Messora
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto 14040-904, Brazil
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Bonardi JP, Pereira RDS, Mourão CF, Coelho Mendes B, Lowenstein A, Montemezzi P, Giubilato F, Okamoto R, Hochuli-Vieira E. Clinical Assessment of Biphasic Calcium Phosphate in Granules and Paste Forms in Human Maxillary Sinus Bone Augmentation: A Randomized, Split-Mouth Clinical Trial. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1059. [PMID: 36770066 PMCID: PMC9918988 DOI: 10.3390/ma16031059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/19/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
The aim of the present study is to compare the biphasic calcium phosphate (BCP) using two different forms-(1) granules and (2) paste-in human maxillary sinus bone reconstruction as a split-mouth study using histomorphometric and immunolabeling for osteocalcin. Ten patients with bilateral maxillary posterior partial edentulism were selected in order to reconstruct bone height. They were divided into two groups: BCPG and BCP-P. After six months of bone healing, biopsies were harvested to assess the new bone formation and immunostaining for osteocalcin. The BCP g group had the following results: mean of bone formation in pristine bone 49.4 ± 21.6%, intermediate 49.4 ± 16.2%, and apical 55.3 ± 21.4%. The group BCP-P had a mean of 41.9 ± 17.3% in the pristine bone region, 37.5 ± 7.8% for intermediate, and 39.0 ± 13.5% for apical. The osteocalcin immunolabeling was high for both groups, demonstrating bone calcification. Thus, the two biomaterials present suitable results for the placement of dental implants.
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Affiliation(s)
- João Paulo Bonardi
- Department of Oral & Maxillofacial Surgery, Aracatuba School of Dentistry, Sao Paulo State University, Sao Paulo 16066-840, Brazil
| | - Rodrigo dos Santos Pereira
- Department of Oral & Maxillofacial Surgery, University of Grande Rio-UNIGRANRIO, Rio de Janeiro 25071-202, Brazil
| | - Carlos F. Mourão
- Department of Periodontology, Division of Dental Research Administration, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Bruno Coelho Mendes
- Department of Oral & Maxillofacial Surgery, Aracatuba School of Dentistry, Sao Paulo State University, Sao Paulo 16066-840, Brazil
| | - Adam Lowenstein
- Department of Periodontology, Division of Dental Research Administration, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | | | - Flavio Giubilato
- Department of Human Anatomy, Aracatuba School of Dentistry, Sao Paulo State University, Sao Paulo 16066-840, Brazil
| | - Roberta Okamoto
- Department of Human Anatomy, Aracatuba School of Dentistry, Sao Paulo State University, Sao Paulo 16066-840, Brazil
| | - Eduardo Hochuli-Vieira
- Department of Diagnostic and Surgery, Araraquara School of Dentistry, Sao Paulo State University, Sao Paulo 16066-840, Brazil
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Suárez-López Del Amo F, Monje A. Efficacy of biologics for alveolar ridge preservation/reconstruction and implant site development: An American Academy of Periodontology best evidence systematic review. J Periodontol 2022; 93:1827-1847. [PMID: 35841608 PMCID: PMC10092438 DOI: 10.1002/jper.22-0069] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND The use of biologics may be indicated for alveolar ridge preservation (ARP) and reconstruction (ARR), and implant site development (ISD). The present systematic review aimed to analyze the effect of autologous blood-derived products (ABPs), enamel matrix derivative (EMD), recombinant human platelet-derived growth factor-BB (rhPDGF-BB), and recombinant human bone morphogenetic protein-2 (rhBMP-2), on the outcomes of ARP/ARR and ISD therapy (i.e., alveolar ridge augmentation [ARA] and maxillary sinus floor augmentation [MSFA]). METHODS An electronic search for eligible articles published from January 2000 to October 2021 was conducted. Randomized clinical trials evaluating the efficacy of ABPs, EMD, rhBMP-2, and rhPDGF-BB for ARP/ARR and ISD were included according to pre-established eligibility criteria. Data on linear and volumetric dimensional changes, histomorphometric findings, and a variety of secondary outcomes (i.e., clinical, implant-related, digital imaging, safety, and patient-reported outcome measures [PROMs]) were extracted and critically analyzed. Risk of bias assessment of the selected investigations was also conducted. RESULTS A total of 39 articles were included and analyzed qualitatively. Due to the high level of heterogeneity across studies, quantitative analyses were not feasible. Most studies in the topic of ARP/ARR revealed that the use of biologics rendered similar results compared with conventional protocols. However, when juxtaposed to unassisted healing or socket filling using collagen sponges, the application of biologics did contribute to attenuate post-extraction alveolar ridge atrophy in most investigations. Additionally, histomorphometric outcomes were positively influenced by the application of biologics. The use of biologics in ARA interventions did not yield superior clinical or radiographic outcomes compared with control therapies. Nevertheless, ABPs enhanced new bone formation and reduced the likelihood of early wound dehiscence. The use of biologics in MSFA interventions did not translate into superior clinical or radiographic outcomes. It was observed, though, that the use of some biologics may promote bone formation during earlier stages of healing. Only four clinical investigations evaluated PROMs and reported a modest beneficial impact of the use of biologics on pain and swelling. No severe adverse events in association with the use of the biologics evaluated in this systematic review were noted. CONCLUSIONS Outcomes of therapy after post-extraction ARP/ARR and ARA in edentulous ridges were comparable among different therapeutic modalities evaluated in this systematic review. Nevertheless, the use of biologics (i.e., PRF, EMD, rhPDGF-BB, and rhBMP-2) in combination with a bone graft material generally results into superior histomorphometric outcomes and faster wound healing compared with control groups.
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Affiliation(s)
| | - Alberto Monje
- Department of Periodontology, International University of Catalonia (UIC), Barcelona, Spain.,Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA.,Division of Periodontology, CICOM-MONJE Institute, Badajoz, Spain.,Department of Periodontics, University of Bern, Bern, Switzerland
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Does Melatonin Associated with Nanostructured Calcium Phosphate Improve Alveolar Bone Repair? MEDICINA (KAUNAS, LITHUANIA) 2022; 58:medicina58121720. [PMID: 36556923 PMCID: PMC9783045 DOI: 10.3390/medicina58121720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022]
Abstract
Background and objectives: Calcium phosphates have been widely used as bone substitutes, but their properties are limited to osteoconduction. The association of calcium phosphates with osteoinductive bioactive molecules has been used as a strategy in regenerative medicine. Melatonin has been studied due to its cell protection and antioxidant functions, reducing osteoclastic activity and stimulating newly formed bone. This study aimed to evaluate the effect of topical application of melatonin associated with nanostructured carbonated hydroxyapatite microspheres in the alveolar bone repair of Wistar rats through histological and histomorphometric analysis. Materials and Methods: Thirty female Wistar rats (300 g) were used, divided randomly into three experimental groups (n = 10), G1: nanostructured carbonated hydroxyapatite microspheres associated with melatonin gel (CHA-M); G2: nanostructured carbonated hydroxyapatite (CHA); G3: blood clot (without alveolar filling). The animals were euthanized after 7 and 42 days of the postoperative period and processed for histological and histomorphometric evaluation. Kruskal-Wallis and Dunn's post-test were applied to investigate statistical differences between the groups at the same time point for new bone and connective tissue variables. Mann-Whitney was used to assess statistical differences between different time points and in the biomaterial variable. Results: Results showed a greater volume of residual biomaterial in the CHA-M than the CHA group (p = 0.007), and there were no significant differences in terms of newly formed bone and connective tissue between CHA and CHA-M after 42 days. Conclusions: This study concluded that both biomaterials improved alveolar bone repair from 7 to 42 days after surgery, and the association of CHA with melatonin gel reduced the biomaterial's biodegradation at the implanted site but did not improve the alveolar bone repair.
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Lima JR, Soares PBF, Pinotti FE, Marcantonio RAC, Marcantonio-Junior E, de Oliveira GJPL. Comparison of the osseointegration of implants placed in areas grafted with HA/TCP and native bone. Microsc Res Tech 2022; 85:2776-2783. [PMID: 35397154 DOI: 10.1002/jemt.24126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 03/04/2022] [Accepted: 03/31/2022] [Indexed: 11/10/2022]
Abstract
This study evaluated the osseointegration of implants in areas grafted with biphasic ceramic based on hydroxyapatite/β-tricalcium phosphate (HA/TCP) and in native bone (NB). Twenty-eight rats were randomly assigned into two groups of 14 animals each: HA/TCP group: implants installed in areas grafted with HA/TCP and NB group: implants installed in areas of native bone. Bone defects were made in both tibiae of the rats belonging to the HA/TCP group and then filled with this bone substitute. After 60 days, the rats were submitted to surgical procedures for implant placement in grafted areas in both tibiae in the HA/TCP group while the implants were installed directly in native bone in the NB group. The animals were euthanized 15 and 45 days, respectively, after the implant placement. Biomechanical (removal torque), microtomographic (volume of mineralized tissues around the implants), and histomorphometric (Bone-Implant contact-%BIC and bone area between the implant threads-%BBT) analyzes were conducted to assess the osseointegration process. The HA/TCP group showed lower values of removal torque, volume of mineralized tissue around the implants, lower %BIC, and %BBT compared to the NB group in both experimental periods. Osseointegration of implants placed in grafted areas with HA/TCP was lower compared to the osseointegration observed in native bone areas.
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Affiliation(s)
- Julia Raulino Lima
- Department of Periodontology/Implantology, Universidade Federal de Uberlândia - UFU, School of Dentistry, Uberlândia, MG, Brazil
| | | | - Felipe Eduardo Pinotti
- Department of Diagnosis and Surgery, Universidade Estadual Paulista - UNESP, School of Dentistry, Araraquara, SP, Brazil
| | | | - Elcio Marcantonio-Junior
- Department of Diagnosis and Surgery, Universidade Estadual Paulista - UNESP, School of Dentistry, Araraquara, SP, Brazil
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Gheno E, Alves GG, Ghiretti R, Mello-Machado RC, Signore A, Lourenço ES, Leite PEC, Mourão CFDAB, Sohn DS, Calasans-Maia MD. "Sticky Bone" Preparation Device: A Pilot Study on the Release of Cytokines and Growth Factors. MATERIALS 2022; 15:ma15041474. [PMID: 35208017 PMCID: PMC8879971 DOI: 10.3390/ma15041474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/24/2022] [Accepted: 02/09/2022] [Indexed: 11/25/2022]
Abstract
Sticky bone, a growth factor-enriched bone graft matrix, is a promising autologous material for bone tissue regeneration. However, its production is strongly dependent on manual handling steps. In this sense, a new device was developed to simplify the confection of the sticky bone, named Sticky Bone Preparation Device (SBPD®). The purpose of this pilot study was to investigate the suitability of the SBPD® to prepare biomaterials for bone regeneration with autologous platelet concentrates. The SBPD® allows the blending of particulate samples from synthetic, xenograft, or autogenous bone with autologous platelet concentrates, making it easy to use and avoiding the need of further manipulations for the combination of the materials. The protocol for the preparation of sticky bone samples using the SBPD® is described, and the resulting product is compared with hand-mixed SB preparations regarding in vitro parameters such as cell content and the ability to release growth factors and cytokines relevant to tissue regeneration. The entrapped cell content was estimated, and the ability to release biological mediators was assessed after 7 days of incubation in culture medium. Both preparations increased the leukocyte and platelet concentrations compared to whole-blood samples (p < 0.05), without significant differences between SB and SBPD®. SBPD® samples released several growth factors, including VEGF, FGFb, and PDGF, at concentrations physiologically equivalent to those released by SB preparations. Therefore, the use of SBPD® results in a similar product to the standard protocol, but with more straightforward and shorter preparation times and less manipulation. These preliminary results suggest this device as a suitable alternative for combining bone substitute materials with platelet concentrates for bone tissue regeneration.
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Affiliation(s)
- Ezio Gheno
- Post-Graduation Program in Dentistry, Fluminense Federal University, Niteroi 24220-140, RJ, Brazil; (E.G.); (R.C.M.-M.); (E.S.L.)
- Surgical Sciences and Integrated Diagnostics Department, University of Genoa, 16132 Genoa, Italy;
| | - Gutemberg Gomes Alves
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Niteroi 24220-000, RJ, Brazil;
- Clinical Research Unit of the Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24220-000, RJ, Brazil;
| | - Roberto Ghiretti
- Maxillofacial Surgeon, Private Practitioner, 46047 Porto, Italy;
| | - Rafael Coutinho Mello-Machado
- Post-Graduation Program in Dentistry, Fluminense Federal University, Niteroi 24220-140, RJ, Brazil; (E.G.); (R.C.M.-M.); (E.S.L.)
- Implant Dentistry Department, Universidade Iguaçu, Nova Iguaçu 26260-045, RJ, Brazil
| | - Antonio Signore
- Surgical Sciences and Integrated Diagnostics Department, University of Genoa, 16132 Genoa, Italy;
- Therapeutic Dentistry Department, Institute of Dentistry, I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia
| | - Emanuelle Stellet Lourenço
- Post-Graduation Program in Dentistry, Fluminense Federal University, Niteroi 24220-140, RJ, Brazil; (E.G.); (R.C.M.-M.); (E.S.L.)
- Clinical Research Unit of the Antonio Pedro Hospital, Fluminense Federal University, Niteroi 24220-000, RJ, Brazil;
| | - Paulo Emílio Correa Leite
- Post-Graduation Program in Sciences and Biotechnology, Fluminense Federal University, Niteroi 24220-000, RJ, Brazil;
| | | | - Dong-Seok Sohn
- Department of Dentistry and Oral and Maxillofacial Surgery, Catholic University Medical Center of Daegu, Daegu 705-718, Korea;
| | - Mônica Diuana Calasans-Maia
- Department of Oral Surgery, Dentistry School, Fluminense Federal University, Niteroi 24020-140, RJ, Brazil
- Correspondence:
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11
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Schneider Werner Vianna T, Sartoretto SC, Neves Novellino Alves AT, Figueiredo de Brito Resende R, de Almeida Barros Mourão CF, de Albuquerque Calasans-Maia J, Martinez-Zelaya VR, Malta Rossi A, Granjeiro JM, Calasans-Maia MD, Seabra Louro R. Nanostructured Carbonated Hydroxyapatite Associated to rhBMP-2 Improves Bone Repair in Rat Calvaria. J Funct Biomater 2020; 11:jfb11040087. [PMID: 33291525 PMCID: PMC7768361 DOI: 10.3390/jfb11040087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 12/22/2022] Open
Abstract
Many biomaterials are used for Bone Morphogenetic Proteins (BMPs) delivery in bone tissue engineering. The BMP carrier system's primary function is to hold these growth factors at the wound's site for a prolonged time and provide initial support for cells to attach and elaborate the extracellular matrix for bone regeneration. This study aimed to evaluate the nanostructured carbonated hydroxyapatite microspheres (nCHA) as an rhBMP-2 carrier on rats calvaria. A total of fifteen male Wistar rats were randomly divided into three groups (n = 5): clot (control group), rhBMP-2 associated with collagen membrane (COL/rhBMP-2) or associated with the microspheres (nCHA/rhBMP-2). After 45 days, the calvaria defect samples were evaluated through histological, histomorphometric, and SR-µCT analyses to investigate new-formed bone and connective tissue volume densities. The descriptive histological analysis showed that nCHA/rhBMP-2 improved bone formation compared to other groups. These results were confirmed by histomorphometric and SR-µCT analysis that showed substantially defect area filling with a higher percentage of newly formed (36.24 ± 6.68) bone than those with the COL/rhBMP-2 (0.42 ± 0.40) and Clot (3.84 ± 4.57) (p < 0.05). The results showed that nCHA is an effective carrier for rhBMP-2 encouraging bone healing and an efficient alternative to collagen membrane for rhBMP-2 delivery.
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Affiliation(s)
- Thiago Schneider Werner Vianna
- Pos-Graduation Program, Dentistry School, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil; (T.S.W.V.); (C.F.d.A.B.M.); (J.M.G.)
| | - Suelen Cristina Sartoretto
- Oral Surgery Department, Universidade Veiga de Almeida, Rio de Janeiro 20271-020, Brazil;
- Oral Surgery Department, Universidade Iguaçu, Rio de Janeiro 26260-045, Brazil;
| | | | - Rodrigo Figueiredo de Brito Resende
- Oral Surgery Department, Universidade Iguaçu, Rio de Janeiro 26260-045, Brazil;
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil;
| | | | | | - Victor R. Martinez-Zelaya
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo 13083-970, Brazil;
| | - Alexandre Malta Rossi
- Department of Condensed Matter, Applied Physics and Nanoscience, Brazilian Center for Research in Physics, Rio de Janeiro 22290-180, Brazil;
| | - Jose Mauro Granjeiro
- Pos-Graduation Program, Dentistry School, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil; (T.S.W.V.); (C.F.d.A.B.M.); (J.M.G.)
- Directory of Life Sciences Applied Metrology, Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Duque de Caxias 25250-020, Brazil
| | - Monica Diuana Calasans-Maia
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil;
- Correspondence: ; Tel.: +55-21-981535884
| | - Rafael Seabra Louro
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil;
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12
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Sartoretto SC, Calasans-Maia J, Resende R, Câmara E, Ghiraldini B, Barbosa Bezerra FJ, Granjeiro JM, Calasans-Maia MD. The Influence of Nanostructured Hydroxyapatite Surface in the Early Stages of Osseointegration: A Multiparameter Animal Study in Low-Density Bone. Int J Nanomedicine 2020; 15:8803-8817. [PMID: 33204089 PMCID: PMC7667590 DOI: 10.2147/ijn.s280957] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 10/10/2020] [Indexed: 01/09/2023] Open
Abstract
Background and Objective The success rates of dental implants in low-density bone have been reported as a challenge, especially for early or immediate loading in the maxilla posterior area. Nanoscale architecture affects the roughness, surface area, surface energy of the implant and can enhance osseointegration. This study aimed to evaluate the implant-surface topography and biomechanical, histomorphometric, and histological bone responses to a new nanostructured hydroxyapatite surface placed in the iliac crest of sheep. Methods Ten female sheep (2–4 years) received 30 implants (n=10/group): HAnano® coated (Epikut Plus®, S.I.N. Implant System, Sao Paulo, SP, Brazil), SLActive (BLX®, Straumann, Basel, Switzerland), and TiUnite (NobelActive®, Nobel Biocare, Göteborg, Sweden) surfaces. Scanning electron microscopy with energy-dispersive spectroscopy evaluated the implant surface topography, the insertion torque value, and resonance frequency analysis evaluated the primary stability, bone-implant contact, and bone-area fraction occupancy were evaluated after 14 and 28 days after implant placement. Results The surface morphology was considerably comparable between the implant groups’; however, the TiUnite® group presented a remarkable different surface. The SLActive® and TiUnite® groups presented an insertion torque average of 74 (±8.9) N/cm that was similar to that of HAnano® 72 (±8.3) N/cm (p >0.05). The resonance frequency evaluated with Osstell®/SmartPeg® or Penguin®/MulTipeg® showed similar results when assessing implants from the same group. BIC and BAFO significantly increased (p<0.05) throughout the experimental periods to all groups, but BIC and BAFO values were similar among the implants at the same time point. After 4 weeks, bone-implant contact was higher than 80% of the total length analyzed. New bone occupies around 60% of analyzed area around the implants. Conclusion HAnano® coated surface promoted comparable osseointegration as SLActive and TiUnite in the sheep model. The three tested surfaces showed comparable osseointegration at the early stages of low-density bone repair in the sheep model.
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Affiliation(s)
- Suelen Cristina Sartoretto
- Oral Surgery Department, Universidade Veiga de Almeida, Rio de Janeiro, RJ, Brazil.,Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu, RJ, Brazil.,Post-Graduation Program in Dentistry, Universidade Veiga de Almeida, Rio de Janeiro, RJ, Brazil.,Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Niteroi, RJ, Brazil
| | - Jose Calasans-Maia
- Orthodontics Department, Dentistry School, Universidade Federal Fluminense, Niteroi, RJ, Brazil
| | - Rodrigo Resende
- Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu, RJ, Brazil.,Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Niteroi, RJ, Brazil.,Oral Surgery Department, Universidade Federal Fluminense, Niteroi, RJ, Brazil
| | - Eduardo Câmara
- Post-Graduation Program in Dentistry, Universidade Veiga de Almeida, Rio de Janeiro, RJ, Brazil
| | - Bruna Ghiraldini
- Dental Research Division, Dentistry School, Universidade Paulista, São Paulo, SP, Brazil
| | | | - Jose Mauro Granjeiro
- Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Niteroi, RJ, Brazil.,National Institute of Metrology, Quality and Technology (INMETRO), Duque de Caxias, RJ, Brazil
| | - Monica Diuana Calasans-Maia
- Clinical Research Laboratory, Dentistry School, Universidade Federal Fluminense, Niteroi, RJ, Brazil.,Oral Surgery Department, Universidade Federal Fluminense, Niteroi, RJ, Brazil
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13
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Moerbeck-Filho P, Sartoretto SC, Uzeda MJ, Barreto M, Medrado A, Alves A, Calasans-Maia MD. Evaluation of the In Vivo Biocompatibility of Amorphous Calcium Phosphate-Containing Metals. J Funct Biomater 2020; 11:jfb11020045. [PMID: 32585796 PMCID: PMC7353583 DOI: 10.3390/jfb11020045] [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: 04/28/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 01/07/2023] Open
Abstract
Among the biomaterials based on calcium phosphate, hydroxyapatite has been widely used due to its biocompatibility and osteoconduction. The substitution of the phosphate group by the carbonate group associated with the absence of heat treatment and low synthesis temperature leads to the formation of carbonated hydroxyapatite (CHA). The association of CHA with other metals (strontium, zinc, magnesium, iron, and manganese) produces amorphous calcium phosphate-containing metals (ACPMetals), which can optimize their properties and mimic biological apatite. This study aimed to evaluate the biocompatibility and biodegradation of ACPMetals in mice subcutaneous tissue. The materials were physicochemically characterized with Fourier Transform InfraRed (FTIR), X-Ray Diffraction (XRD), and Atomic Absorption Spectrometry (AAS). Balb-C mice (n = 45) were randomly divided into three groups: carbonated hydroxyapatite, CHA (n = 15), ACPMetals (n = 15), and without implantation of material (SHAM, n = 15). The groups were subdivided into three experimental periods (1, 3, and 9 weeks). The samples were processed histologically for descriptive and semiquantitative evaluation of the biological effect of biomaterials according to ISO 10993-6:2016. The ACPMetals group was partially biodegradable; however, it presented a severe irritating reaction after 1 and 3 weeks and moderately irritating after nine weeks. Future studies with other concentrations and other metals should be carried out to mimic biological apatite.
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Affiliation(s)
- Pio Moerbeck-Filho
- Implantology Department, Escola Bahiana de Medicina e Saúde Pública, Salvador, Bahia 40290-000, Brazil; (P.M.-F.); (M.B.)
| | - Suelen C. Sartoretto
- Oral Surgery Department, Veiga de Almeida University, Rio de Janeiro 20271-020, Brazil;
- Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu 26260-045, Brazil;
| | - Marcelo J. Uzeda
- Oral Surgery Department, Universidade Iguaçu, Nova Iguaçu 26260-045, Brazil;
- Oral Surgery Department and Clinical Research Laboratory in Dentistry, Universidade Federal Fluminense, Niteroi 24020-140, Brazil
| | - Maurício Barreto
- Implantology Department, Escola Bahiana de Medicina e Saúde Pública, Salvador, Bahia 40290-000, Brazil; (P.M.-F.); (M.B.)
| | - Alena Medrado
- Oral Pathology Department, Escola Bahiana de Medicina e Saúde Púlbica, Salvador, Bahia 40290-000, Brazil;
| | - Adriana Alves
- Oral Diagnosis Department, Universidade Federal Fluminense, Niteroi 24020-140, Brazil;
| | - Mônica D. Calasans-Maia
- Oral Surgery Department and Clinical Research Laboratory in Dentistry, Universidade Federal Fluminense, Niteroi 24020-140, Brazil
- Correspondence: ; Tel.: +55-21-98153-5884
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14
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Gheno E, Mourão CFDAB, Mello-Machado RCD, Stellet Lourenço E, Miron RJ, Catarino KFF, Alves AT, Alves GG, Calasans-Maia MD. In vivo evaluation of the biocompatibility and biodegradation of a new denatured plasma membrane combined with liquid PRF (Alb-PRF). Platelets 2020; 32:542-554. [PMID: 32531175 DOI: 10.1080/09537104.2020.1775188] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Guided bone regeneration (GBR) is a process that involves the regeneration of bone defects through the application of occlusive membranes that mechanically exclude the population of non-osteogenic cells from the surrounding soft tissue. Interestingly, platelet-rich fibrin (PRF) has previously been proposed as an autologous GBR membrane despite its short-term resorption period of 2-3 weeks. Recent clinical observations have demonstrated that, by heating a liquid platelet-poor plasma (PPP) layer and mixing the cell-rich buffy coat zone, the resorption properties of heated albumin gel with liquid-PRF (Alb-PRF) can be significantly improved. The aim of this study was to evaluate the inflammatory reaction, biocompatibility, and extended degradation properties of a new autologous Alb-PRF membrane in comparison to commonly utilized standard PRF after nude mice implantation, according to ISO 10993-6/2016. Two standard preparations of PRF (L-PRF and H-PRF) were compared to novel Alb-PRF following subcutaneous implantation at 7, 14, and 21 days. All groups demonstrated excellent biocompatibility owing to their autologous sources. However, it is worth noting that, while both L-PRF and H-PRF membranes demonstrated significant or complete resorption by 21 days, the Alb-PRF membrane remained volume-stable throughout the duration of the study. This study demonstrates-for the first time, to the best of our knowledge-a marked improvement in the membrane stability of Alb-PRF. This indicates its future potential for use as a biological barrier membrane for GBR procedures with a long-lasting half-life, or as a biological filler material in esthetic medicine applications. Thus, further studies are warranted to explore future clinical applications in various fields of medicine.
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Affiliation(s)
- Ezio Gheno
- Post-Graduation Program in Dentistry, Fluminense Federal University, Niterói, Brazil.,Di.S.C Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Italy
| | | | | | | | - Richard J Miron
- Department of Periodontology, University of Bern, Bern, Switzerland
| | | | - Adriana Terezinha Alves
- Department of Oral Pathology, Dentistry School, Fluminense Federal University, Niterói, Brazil
| | - Gutemberg Gomes Alves
- Department of Molecular and Cell Biology, Institute of Biology, Fluminense Federal University, Niterói, Brazil
| | - Mônica D Calasans-Maia
- Oral Surgery Department, Dentistry School, Fluminense Federal University, Niterói, Brazil
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15
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The role of apoptosis associated speck-like protein containing a caspase-1 recruitment domain (ASC) in response to bone substitutes. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 112:110965. [PMID: 32409093 DOI: 10.1016/j.msec.2020.110965] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 03/27/2020] [Accepted: 04/11/2020] [Indexed: 12/19/2022]
Abstract
The apoptosis-associated Speck-like protein containing a caspase-1 recruitment domain (ASC), present in inflammasomes, regulates inflammation events and is involved in osteogenic phenotype. Nevertheless, its function in bone repair induced by bone substitute biomaterials is unclear. This study aimed to unveil the role of ASC on osteoprogenitor and tissue response to stoichiometric-hydroxyapatite (HA), nanostructured carbonated-hydroxyapatite (CHA), and CHA containing 5% Strontium (SrCHA), characterized previously by XRD, uXRF-SR, and FTIR spectroscopy implants. Thereafter, conditioned media by the biomaterials were used later to treat pre-osteoblasts and an osteogenic stimulus was shown in response to the materials, with higher expression of Runx2, Osterix, ALP, and Collagen 1a1 genes, with significant involvement of inflammatory-related genes. Thus, to better address the involvement of inflammasome, primary cells obtained from both genotypes [Wild-Type (WT) and ASC Knockout (ASC-KO) mice] were subjected to conditioned media up to 7 days, and our data reinforces both HA and CHA induces lower levels of alkaline phosphatase (ALP) than SrCHA, considering both genotypes (p < 0.01), and ASC seems contribute with osteogenic stimulus promoted by SrCHA. Complimentarily, the biomaterials were implanted into both subcutaneous and bone defects in tibia. Histological analysis on 28 days after implantation of biomaterials into mice's subcutaneous tissue revealed moderate inflammatory response to them. Both histomorphometry and μCT analysis of tibias indicated that the biomaterials did not reverse the delay in bone repair of ASC KO, reinforcing the involvement of ASC on bone regeneration and bone de novo deposition. Also, the bone density in CHA was >2-fold higher in WT than ASC-KO samples. HA was virtually not resorbed throughout the experimental periods, in opposition to CHA in the WT group. CHA reduced to half-area after 28 days, and the bone deposition was higher in CHA for WT mice than HA. Taken together, our results show that biomaterials did not interfere with the healing pattern of the ASC KO, but CHA promoted higher bone deposition in the WT group, probably due to its greater biodegradability. These results reinforce the importance of ASC during bone de novo deposition and healing.
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16
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Moraschini V, Almeida DCF, Calasans‐Maia MD, Kischinhevsky ICC, Louro RS, Granjeiro JM. Immunological response of allogeneic bone grafting: A systematic review of prospective studies. J Oral Pathol Med 2020; 49:395-403. [DOI: 10.1111/jop.12998] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/18/2019] [Accepted: 01/18/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Vittorio Moraschini
- Department of Oral Surgery Dentistry School Fluminense Federal University Niterói Rio de Janeiro Brazil
| | | | | | | | - Rafael Seabra Louro
- Department of Oral Surgery Dentistry School Fluminense Federal University Niterói Rio de Janeiro Brazil
| | - José Mauro Granjeiro
- Department of Dental Technics School of Dentistry Fluminense Federal University Niterói Rio de Janeiro Brazil
- Researcher at National Institute of Metrology Quality and Technology (INMETRO) Niterói Rio de Janeiro Brazil
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17
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Resende RFB, Sartoretto SC, Uzeda MJ, Alves ATNN, Calasans-Maia JA, Rossi AM, Granjeiro JM, Calasans-Maia MD. Randomized Controlled Clinical Trial of Nanostructured Carbonated Hydroxyapatite for Alveolar Bone Repair. MATERIALS 2019; 12:ma12223645. [PMID: 31698693 PMCID: PMC6887796 DOI: 10.3390/ma12223645] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 02/07/2023]
Abstract
The properties of the biodegradation of bone substitutes in the dental socket after extraction is one of the goals of regenerative medicine. This double-blind, randomized, controlled clinical trial aimed to compare the effects of a new bioabsorbable nanostructured carbonated hydroxyapatite (CHA) with a commercially available bovine xenograft (Bio-Oss®) and clot (control group) in alveolar preservation. Thirty participants who required tooth extraction and implant placement were enrolled in this study. After 90 days, a sample of the grafted area was obtained for histological and histomorphometric evaluation and an implant was installed at the site. All surgical procedures were successfully carried out without complications and none of the patients were excluded. The samples revealed a statistically significant increase of new bone formation (NFB) in the CHA group compared with Bio-Oss® after 90 days from surgery (p < 0.05). However, the clot group presented no differences of NFB compared to CHA and Bio-Oss®. The CHA group presented less amount of reminiscent biomaterial compared to Bio-Oss®. Both biomaterials were considered osteoconductors, easy to handle, biocompatible, and suitable for alveolar filling. Nanostructured carbonated hydroxyapatite spheres promoted a higher biodegradation rate and is a promising biomaterial for alveolar socket preservation before implant treatment.
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Affiliation(s)
- Rodrigo F. B. Resende
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro CEP 4020-140, Brazil; (R.F.B.R.); (M.J.U.)
- Oral Surgery Department, Dentistry School, Universidade Iguaçu, Avenida Abílio Augusto Távora, 2134, Nova Iguaçu, Rio de Janeiro 26260-045, Brazil;
| | - Suelen C. Sartoretto
- Oral Surgery Department, Dentistry School, Universidade Iguaçu, Avenida Abílio Augusto Távora, 2134, Nova Iguaçu, Rio de Janeiro 26260-045, Brazil;
| | - Marcelo J. Uzeda
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro CEP 4020-140, Brazil; (R.F.B.R.); (M.J.U.)
- Oral Surgery Department, Dentistry School, Universidade Iguaçu, Avenida Abílio Augusto Távora, 2134, Nova Iguaçu, Rio de Janeiro 26260-045, Brazil;
| | - Adriana T. N. N. Alves
- Department of Oral Diagnosis, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro 24020-140, Brazil
| | - José A. Calasans-Maia
- Department of Orthodontics, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 30/sala 214, Niterói, Rio de Janeiro 24020-140, Brazil
| | - Alexandre M. Rossi
- Department of Condsensed Matter, Applied Physics and Nanoscience, Centro Brasileiro de Pesquisas Físicas CBPF, Rua Doutor Xavier Sigaud, 150 Urca, Rio de Janeiro, Rio de Janeiro 22290-180, Brazil;
| | - José Mauro Granjeiro
- Clinical Research Laboratory in Dentistry, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro 24020-140, Brazil;
- Directory of Life Sciences Applied Metrology, Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Rua Nossa Senhora das Graças, 50-Xerém, Duque de Caxias, Rio de Janeiro 25250-020, Brazil
| | - Mônica D. Calasans-Maia
- Oral Surgery Department, Dentistry School, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro CEP 4020-140, Brazil; (R.F.B.R.); (M.J.U.)
- Clinical Research Laboratory in Dentistry, Universidade Federal Fluminense, Rua Mario Santos Braga, 28/4º andar, Niterói, Rio de Janeiro 24020-140, Brazil;
- Correspondence: ; Tel.: +55-219-8153-5884
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Xu F, Cao Y, Yin P, Ma LW, Li JJ, Fang CY. [Effects of three drying methods on the physical properties and drug delivery in chitosan microspheres]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2019; 37:149-154. [PMID: 31168980 DOI: 10.7518/hxkq.2019.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE The purpose of this study is to investigate the effects of different drying methods on the physical properties and drug delivery of chitosan microspheres. METHODS Three types of drying methods were utilized, including air drying and freeze drying after freezing at -20 ℃ (slow cooling) and at -80 ℃ (fast cooling). The physical properties of microspheres were characterized. Utilizing bovine serum albumin (BSA) as the model drug, the in-vitro release behaviors of drug-loaded beads were investigated. RESULTS By comparing the physical properties of the different drying methods, the microspheres' diameters, porosities, and surface area were observed to increase successively from air drying and slow cooling to fast cooling, whereas the pore size and the swelling and degradation rates varied. The drug-loading experiments revealed that the loading capacity of air-dried microspheres was the lowest and the release rate was the slowest. Although the loading capacity of fast cooling microspheres was high, an obvious burst release was observed. The loading capacity of slow cooling microspheres was similar to that of the fast cooling microspheres and the loaded BSA can be released continuously. CONCLUSIONS The results indicate that different drying methods can affect the physical properties of chitosan microspheres, which further influence drug loading and release.
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Affiliation(s)
- Fei Xu
- Dept. of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Yang Cao
- Center of Medical Engineering, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Ping Yin
- Dept. of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Li-Wei Ma
- Dept. of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Ji-Jia Li
- Dept. of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Chang-Yun Fang
- Dept. of Stomatology, Xiangya Hospital, Central South University, Changsha 410008, China
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19
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Barros Mourão CDA, Gheno E, Lourenço E, Barbosa RL, Kurtzman G, Javid K, Mavropoulos E, Benedicenti S, Calasans-Maia M, de Mello Machado R, Alves G. Characterization of a new membrane from concentrated growth factors associated with denaturized Albumin (Alb-CGF) for clinical applications: A preliminary study. ACTA ACUST UNITED AC 2018. [DOI: 10.4103/gfsc.gfsc_21_18] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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