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Stipniece L, Ramata-Stunda A, Vecstaudza J, Kreicberga I, Livkisa D, Rubina A, Sceglovs A, Salma-Ancane K. A Comparative Study on Physicochemical Properties and In Vitro Biocompatibility of Sr-Substituted and Sr Ranelate-Loaded Hydroxyapatite Nanoparticles. ACS APPLIED BIO MATERIALS 2023; 6:5264-5281. [PMID: 38039078 PMCID: PMC10731655 DOI: 10.1021/acsabm.3c00539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 12/03/2023]
Abstract
Synthetic hydroxyapatite nanoparticles (nHAp) possess compositional and structural similarities to those of bone minerals and play a key role in bone regenerative medicine. Functionalization of calcium phosphate biomaterials with Sr, i.e., bone extracellular matrix trace element, has been proven to be an effective biomaterial-based strategy for promoting osteogenesis in vitro and in vivo. Functionalizing nHAp with Sr2+ ions or strontium ranelate (SrRAN) can provide favorable bone tissue regeneration by locally delivering bioactive molecules to the bone defect microenvironment. Moreover, administering an antiosteoporotic drug, SrRAN, directly into site-specific bone defects could significantly reduce the necessary drug dosage and the risk of possible side effects. Our study evaluated the impact of the Sr source (Sr2+ ions and SrRAN) used to functionalize nHAp by wet precipitation on its in vitro cellular activities. The systematic comparison of physicochemical properties, in vitro Sr2+ and Ca2+ ion release, and their effect on in vitro cellular activities of the developed Sr-functionalized nHAp was performed. The ion release tests in TRIS-HCl demonstrated a 21-day slow and continuous release of the Sr2+ and Ca2+ ions from both Sr-substituted nHAp and SrRAN-loaded HAp. Also, SrRAN and Sr2+ ion release kinetics were evaluated in DMEM to understand their correlation with in vitro cellular effects in the same time frame. Relatively low concentration (up to 2 wt %) of Sr in the nHAp led to an increase in the alkaline phosphatase activity in preosteoblasts and expression of collagen I and osteocalcin in osteoblasts, demonstrating their ability to boost bone formation.
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Affiliation(s)
- Liga Stipniece
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
| | - Anna Ramata-Stunda
- Department
of Microbiology and Biotechnology, Faculty of Biology, University of Latvia, Jelgavas St. 1, Riga LV-1004, Latvia
| | - Jana Vecstaudza
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
| | - Inta Kreicberga
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
| | - Dora Livkisa
- Department
of Microbiology and Biotechnology, Faculty of Biology, University of Latvia, Jelgavas St. 1, Riga LV-1004, Latvia
| | - Anna Rubina
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
| | - Artemijs Sceglovs
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
| | - Kristine Salma-Ancane
- Rudolfs
Cimdins Riga Biomaterials Innovations and Development Centre of RTU,
Institute of General Chemical Engineering, Faculty of Materials Science
and Applied Chemistry, Riga Technical University, Pulka St. 3/3, Riga LV-1007, Latvia
- Baltic
Biomaterials Centre of Excellence, Headquarters
at Riga Technical University, Riga LV-1007, Latvia
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Chang LC, Chung CY, Chiu CH, Lin MHC, Yang JT. The Effect of Polybutylcyanoacrylate Nanoparticles as a Protos Delivery Vehicle on Dental Bone Formation. Int J Mol Sci 2021; 22:4873. [PMID: 34062952 PMCID: PMC8125394 DOI: 10.3390/ijms22094873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/23/2021] [Accepted: 05/01/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Dental implants are commonly used for missing teeth, for which success depends heavily on the quality of the alveolar bone. The creation of an ideal implant site is a key component in shortening the treatment time, which remains clinically challenging. Strontium ranelate (Protos) is an anti-osteoporotic agent which has previously been used to promote bone formation, however the systemic use of Protos has been linked to serious cardiovascular and venous thromboembolic events, thus local delivery strategies may be better suited for this purpose. In this study, a biodegradable, and biocompatible nanocarrier "polybutylcyanoacrylate" (PBCA) loaded with strontium was constructed and its ability to promote bone formation was assessed. METHODOLOGY PBCA nanoparticles loaded with strontium (PBCA-Sr NPs) were synthesized using the emulsion polymerization method, and their physical properties (zeta potential, size and shape) and entrapment efficiency were characterized. Committed MSCs (osteoblasts) were derived from the differentiation of cultured rat mesenchymal stem cells (MSC), which were tested with the PBCA-Sr NPs for cytotoxicity, inflammatory response, bone formation and mineralization. Scanning electron microscopy was performed following a 7-day treatment of PBCA-Sr NPs on decellularized procaine mandibular bone blocks grafted with osteoblasts. RESULTS Spherical PBCA-Sr NPs of 166.7 ± 2.3 nm, zeta potential of -1.15 ± 0.28 mV with a strontium loading efficiency of 90.04 ± 3.27% were constructed. The presence of strontium was confirmed by energy-dispersive X-ray spectroscopy. Rat committed MSCs incubated in PBCA-Sr NPs for 24 hrs showed viabilities in excess of 90% for concentrations of up to 250 ug/mL, the cellular expression of osteocalcin and alkaline phosphatase were 1.4 and 1.3 times higher than the untreated control, and significantly higher than those treated with strontium alone. Bone formation was evident following osteoblast engraftment on the decellularized procaine mandibular bone block with PBCA-Sr NPs, which appeared superior to those treated with strontium alone. CONCLUSION Treatment of committed MSCs with PBCA-Sr NPs showed higher expression of markers of bone formation when compared with strontium alone and which corresponded to greater degree of bone formation observed on the 3-dimensinal decellularized procaine mandibular bone block. Further quantitative analysis on the extent of new bone formation is warranted.
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Affiliation(s)
- Li-Ching Chang
- Department of Dentistry, Chang Gung Memorial Hospital, Chiayi 61363, Taiwan;
- Department of Nursing, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
| | - Chiu-Yen Chung
- Department of Neurosurgery, Chang Gung Memorial Hospital, Chiayi Branch, 6, Sec. West, Chai-Pu Road, Pu-Tz City, Chia-Yi 61363, Taiwan;
| | - Chun-Hui Chiu
- Graduate Institute of Health-Industry Technology, Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Tao-Yuan 33303, Taiwan;
- Department of Traditional Chinese Medicine, Keelung Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Martin Hsiu-Chu Lin
- Department of Neurosurgery, Chang Gung Memorial Hospital, Chiayi Branch, 6, Sec. West, Chai-Pu Road, Pu-Tz City, Chia-Yi 61363, Taiwan;
| | - Jen-Tsung Yang
- Department of Neurosurgery, Chang Gung Memorial Hospital, Chiayi Branch, 6, Sec. West, Chai-Pu Road, Pu-Tz City, Chia-Yi 61363, Taiwan;
- College of Medicine, Chang Gung University, Tao-Yuan 33302, Taiwan
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Watanabe T, Takabatake K, Tsujigiwa H, Watanabe S, Nakagiri R, Nakano K, Nagatsuka H, Kimata Y. Effect of Honeycomb β-TCP Geometrical Structure on Bone Tissue Regeneration in Skull Defect. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4761. [PMID: 33113818 PMCID: PMC7663559 DOI: 10.3390/ma13214761] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/23/2020] [Accepted: 10/23/2020] [Indexed: 11/30/2022]
Abstract
The effect of the geometric structure of artificial biomaterials on skull regeneration remains unclear. In a previous study, we succeeded in developing honeycomb β-tricalcium phosphate (β-TCP), which has through-and-through holes and is able to provide the optimum bone microenvironment for bone tissue regeneration. We demonstrated that β-TCP with 300-μm hole diameters induced vigorous bone formation. In the present study, we investigated how differences in hole directions of honeycomb β-TCP (horizontal or vertical holes) influence bone tissue regeneration in skull defects. Honeycomb β-TCP with vertical and horizontal holes was loaded with BMP-2 using Matrigel and Collagen gel as carriers, and transplanted into skull bone defect model rats. The results showed that in each four groups (Collagen alone group, Matrigel alone group, Collagen + BMP group and Matrigel + BMP-2), vigorous bone formation was observed on the vertical β-TCP compared with horizontal β-TCP. The osteogenic area was larger in the Matrigel groups (with and without BMP-2) than in the Collagen group (with and without BMP-2) in both vertical β-TCP and horizontal β-TCP. However, when BMP-2 was added, the bone formation area was not significantly different between the Collagen group and the Matrigel group in the vertical β-TCP. Histological finding showed that, in vertical honeycomb β-TCP, new bone formation extended to the upper part of the holes and was observed from the dura side to the periosteum side as added to the inner walls of the holes. Therefore, we can control efficient bone formation by creating a bone microenvironment provided by vertical honeycomb β-TCP. Vertical honeycomb β-TCP has the potential to be an excellent biomaterial for bone tissue regeneration in skull defects and is expected to have clinical applications.
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Affiliation(s)
- Toshiyuki Watanabe
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (T.W.); (S.W.); (R.N.); (Y.K.)
| | - Kiyofumi Takabatake
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (K.N.); (H.N.)
| | - Hidetsugu Tsujigiwa
- Department of Life Science, Faculty of Science, Okayama University Science, Okayama 7000005, Japan;
| | - Satoko Watanabe
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (T.W.); (S.W.); (R.N.); (Y.K.)
| | - Ryoko Nakagiri
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (T.W.); (S.W.); (R.N.); (Y.K.)
| | - Keisuke Nakano
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (K.N.); (H.N.)
| | - Hitoshi Nagatsuka
- Department of Oral Pathology and Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (K.N.); (H.N.)
| | - Yoshihiro Kimata
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008525, Japan; (T.W.); (S.W.); (R.N.); (Y.K.)
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Miranda TS, Napimoga MH, De Franco L, Marins LM, Malta FDS, Pontes LA, Morelli FM, Duarte PM. Strontium ranelate improves alveolar bone healing in estrogen‐deficient rats. J Periodontol 2020; 91:1465-1474. [DOI: 10.1002/jper.19-0561] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/13/2019] [Accepted: 01/24/2020] [Indexed: 11/07/2022]
Affiliation(s)
| | - Marcelo Henrique Napimoga
- Faculdade São Leopoldo Mandic Instituto São Leopoldo Mandic Área de Imunologia Campinas São Paulo Brazil
| | - Leonardo De Franco
- Department of Periodontology Dental Research Division Guarulhos University Guarulhos São Paulo Brazil
| | - Letícia Macedo Marins
- Department of Periodontology Dental Research Division Guarulhos University Guarulhos São Paulo Brazil
| | - Fernando de Souza Malta
- Department of Periodontology Dental Research Division Guarulhos University Guarulhos São Paulo Brazil
| | - Louise Antonialice Pontes
- Department of Periodontology Dental Research Division Guarulhos University Guarulhos São Paulo Brazil
| | - Fernando Mendes Morelli
- Faculdade São Leopoldo Mandic Instituto São Leopoldo Mandic Área de Imunologia Campinas São Paulo Brazil
| | - Poliana Mendes Duarte
- Department of Periodontology Dental Research Division Guarulhos University Guarulhos São Paulo Brazil
- Department of Periodontology College of Dentistry University of Florida Gainesville FL
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Liu Z, Yu Z, Chang H, Wang Y, Xiang H, Zhang X, Yu B. Strontium‑containing α‑calcium sulfate hemihydrate promotes bone repair via the TGF‑β/Smad signaling pathway. Mol Med Rep 2019; 20:3555-3564. [PMID: 31432182 PMCID: PMC6755234 DOI: 10.3892/mmr.2019.10592] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 05/09/2019] [Indexed: 11/16/2022] Open
Abstract
Calcium phosphate-based bone substitutes have been widely used for bone repair, augmentation and reconstruction in bone implant surgery. While some of these substitutes have shown excellent biological efficacy, there remains a need to improve the performance of the current calcium phosphate-based bone substitutes. Strontium ions (Sr) can promote new osteogenesis, inhibit osteoclast formation and increase osteoconductivity. However, the therapeutic effect and mechanism of strontium-containing α-calcium sulfate hemihydrate (Sr-CaS) remains unclear. The present study created bone injuries in rats and treated the injuries with Sr-CaS. Then Cell Counting Kit-8, soft agar colony formation, flow cytometry, Transwell and Alizarin Red staining assays were performed to assess the bone cells for their proliferation, growth, apoptosis, invasion, and osteogenic differentiation abilities. The bone reconstructive states were measured by the microCT method, hematoxylin and eosin staining and Masson staining. Bone-related factors were analyzed by the reverse transcription-quantitative PCR assay; transforming growth factor (TGF)-β, mothers against decapentaplegic homolog (Smad)2/3 and β-catenin expression was measured by western blot analysis and osteocalcin (OCN) expression was assessed by immunohistochemistry. Sr-CaS did not significantly affect the proliferation and apoptosis of bone marrow stem cells (BMSCs), but did accelerate the migration and osteogenic differentiation of BMSCs in vitro. Sr-CaS promoted bone repair and significantly increased the values for bone mineral density, bone volume fraction, and trabecular thickness, but decreased trabecular spacing in vivo in a concentration-dependent manner. In addition, Sr-CaS dramatically upregulated the expression levels of genes associated with osteogenic differentiation (Runt-related transcription factor 2, Osterix, ALP, OCN and bone sialoprotein) both in vitro and in vivo. Sr-CaS also increased Smad2/3, TGF-β and phosphorylated-β-catenin protein expression in vitro and in vivo. These results indicated that materials that contain 5 or 10% Sr can improve bone defects by regulating the TGF-β/Smad signaling pathway.
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Affiliation(s)
- Zhi Liu
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Zewei Yu
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Hong Chang
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yu Wang
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Haibo Xiang
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Xianrong Zhang
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Bin Yu
- Department of Orthopedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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