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Silva AV, Gomes DDS, Victor RDS, Santana LNDL, Neves GA, Menezes RR. Influence of Strontium on the Biological Behavior of Bioactive Glasses for Bone Regeneration. MATERIALS (BASEL, SWITZERLAND) 2023; 16:7654. [PMID: 38138796 PMCID: PMC10744628 DOI: 10.3390/ma16247654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/26/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023]
Abstract
Bioactive glasses (BGs) can potentially be applied in biomedicine, mainly for bone repair and replacement, given their unique ability to connect to natural bone tissue and stimulate bone regeneration. Since their discovery, several glass compositions have been developed to improve the properties and clinical abilities of traditional bioactive glass. Different inorganic ions, such as strontium (Sr2+), have been incorporated in BG due to their ability to perform therapeutic functions. Sr2+ has been gaining prominence due to its ability to stimulate osteogenesis, providing an appropriate environment to improve bone regeneration, in addition to its antibacterial potential. However, as there are still points in the literature that are not well consolidated, such as the influence of ionic concentrations and the BG production technique, this review aims to collect information on the state of the art of the biological behavior of BGs containing Sr2+. It also aims to gather data on different types of BGs doped with different concentrations of Sr2+, and to highlight the manufacturing techniques used in order to analyze the influence of the incorporation of this ion for bone regeneration purposes.
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Affiliation(s)
- Amanda Vieira Silva
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil;
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
| | - Déborah dos Santos Gomes
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
| | - Rayssa de Sousa Victor
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
| | - Lisiane Navarro de Lima Santana
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
| | - Gelmires Araújo Neves
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
| | - Romualdo Rodrigues Menezes
- Laboratory of Materials Technology (LTM), Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil; (R.d.S.V.); (L.N.d.L.S.); (G.A.N.)
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Sultan N, Jayash SN. Evaluation of osteogenic potential of demineralized dentin matrix hydrogel for bone formation. BMC Oral Health 2023; 23:247. [PMID: 37118728 PMCID: PMC10148431 DOI: 10.1186/s12903-023-02928-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 03/31/2023] [Indexed: 04/30/2023] Open
Abstract
OBJECTIVES Dentin, the bulk material of the tooth, resemble the bone's chemical composition and is considered a valuable bone substitute. In the current study, we assessed the cytotoxicity and osteogenic potential of demineralized dentin matrix (DDM) in comparison to HA nanoparticles (n-HA) on bone marrow mesenchymal stem cells (BMMSCs) using a hydrogel formulation. MATERIALS AND METHODS Human extracted teeth were minced into particles and treated via chemical demineralization using ethylene diamine tetra-acetic acid solution (EDTA) to produce DDM particles. DDM and n-HA particles were added to the sodium alginate then, the combination was dripped into a 5% (w/v) calcium chloride solution to obtain DDM hydrogel (DDMH) or nano-hydroxyapatite hydrogel (NHH). The particles were evaluated by dynamic light scattering (DLS) and the hydrogels were evaluated via scanning electron microscope (SEM). BMMSCs were treated with different hydrogel concentrations (25%, 50%, 75% and neat/100%) and cell viability was evaluated using MTT assay after 72 h of culture. Collagen-I (COL-I) gene expression was studied with real-time quantitative polymerase chain reaction (RT-qPCR) after 3 weeks of culture and alkaline phosphatase (ALP) activity was assessed using enzyme-linked immune sorbent assay (ELISA) over 7th, 10th, 14th and 21st days of culture. BMMSCs seeded in a complete culture medium were used as controls. One-way ANOVA was utilized to measure the significant differences in the tested groups. RESULTS DLS measurements revealed that DDM and n-HA particles had negative values of zeta potential. SEM micrographs showed a porous microstructure of the tested hydrogels. The viability results revealed that 100% concentrations of either DDMH or NHH were cytotoxic to BMMSCs after 72 h of culture. However, the cytotoxicity of 25% and 50% concentrations of DDMH were not statistically significant compared to the control group. RT-qPCR showed that COL-I gene expression was significantly upregulated in BMMSCs cultured with 50% DDMH compared to all other treated or control groups (P < 0.01). ELISA analysis revealed that ALP level was significantly increased in the groups treated with 50% DDMH compared to 50% NHH after 21 days in culture (P < 0.001). CONCLUSION The injectable hydrogel containing demineralized dentin matrix was successfully formulated. DDMH has a porous structure and has been shown to provide a supporting matrix for the viability and differentiation of BMMSCs. A 50% concentration of DDMH was revealed to be not cytotoxic to BMMSCs and may have a great potential to promote bone formation ability.
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Affiliation(s)
- Nessma Sultan
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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Suliman S, Mieszkowska A, Folkert J, Rana N, Mohamed-Ahmed S, Fuoco T, Finne-Wistrand A, Dirscherl K, Jørgensen B, Mustafa K, Gurzawska-Comis K. Immune-instructive copolymer scaffolds using plant-derived nanoparticles to promote bone regeneration. Inflamm Regen 2022; 42:12. [PMID: 35366945 PMCID: PMC8977008 DOI: 10.1186/s41232-022-00196-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 02/13/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Age-driven immune signals cause a state of chronic low-grade inflammation and in consequence affect bone healing and cause challenges for clinicians when repairing critical-sized bone defects in elderly patients.
Methods
Poly(l-lactide-co-ɛ-caprolactone) (PLCA) scaffolds are functionalized with plant-derived nanoparticles from potato, rhamnogalacturonan-I (RG-I), to investigate their ability to modulate inflammation in vitro in neutrophils and macrophages at gene and protein levels. The scaffolds’ early and late host response at gene, protein and histological levels is tested in vivo in a subcutaneous rat model and their potential to promote bone regeneration in an aged rodent was tested in a critical-sized calvaria bone defect. Significant differences were tested using one-way ANOVA, followed by a multiple-comparison Tukey’s test with a p value ≤ 0.05 considered significant.
Results
Gene expressions revealed PLCA scaffold functionalized with plant-derived RG-I with a relatively higher amount of galactose than arabinose (potato dearabinated (PA)) to reduce the inflammatory state stimulated by bacterial LPS in neutrophils and macrophages in vitro. LPS-stimulated neutrophils show a significantly decreased intracellular accumulation of galectin-3 in the presence of PA functionalization compared to Control (unmodified PLCA scaffolds). The in vivo gene and protein expressions revealed comparable results to in vitro. The host response is modulated towards anti-inflammatory/ healing at early and late time points at gene and protein levels. A reduced foreign body reaction and fibrous capsule formation is observed when PLCA scaffolds functionalized with PA were implanted in vivo subcutaneously. PLCA scaffolds functionalized with PA modulated the cytokine and chemokine expressions in vivo during early and late inflammatory phases. PLCA scaffolds functionalized with PA implanted in calvaria defects of aged rats downregulating pro-inflammatory gene markers while promoting osteogenic markers after 2 weeks in vivo.
Conclusion
We have shown that PLCA scaffolds functionalized with plant-derived RG-I with a relatively higher amount of galactose play a role in the modulation of inflammatory responses both in vitro and in vivo subcutaneously and promote the initiation of bone formation in a critical-sized bone defect of an aged rodent. Our study addresses the increasing demand in bone tissue engineering for immunomodulatory 3D scaffolds that promote osteogenesis and modulate immune responses.
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Kim DS, Lee JK, Kim JH, Lee J, Kim DS, An S, Park SB, Kim TH, Rim JS, Lee S, Han DK. Advanced PLGA hybrid scaffold with a bioactive PDRN/BMP2 nanocomplex for angiogenesis and bone regeneration using human fetal MSCs. SCIENCE ADVANCES 2021; 7:eabj1083. [PMID: 34878837 PMCID: PMC8654289 DOI: 10.1126/sciadv.abj1083] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 10/16/2021] [Indexed: 05/14/2023]
Abstract
Biodegradable polymers have been used with various systems for tissue engineering. Among them, poly(lactic-co-glycolic) acid (PLGA) has been widely used as a biomaterial for bone regeneration because of its great biocompatibility and biodegradability properties. However, there remain substantial cruxes that the by-products of PLGA result in an acidic environment at the implanting site, and the polymer has a weak mechanical property. In our previous study, magnesium hydroxide (MH) and bone extracellular matrix are combined with a PLGA scaffold (PME) to improve anti-inflammation and mechanical properties and osteoconductivity. In the present study, the development of a bioactive nanocomplex (NC) formed along with polydeoxyribonucleotide and bone morphogenetic protein 2 (BMP2) provides synergistic abilities in angiogenesis and bone regeneration. This PME hybrid scaffold immobilized with NC (PME/NC) achieves outstanding performance in anti-inflammation, angiogenesis, and osteogenesis. Such an advanced PME/NC scaffold suggests an integrated bone graft substitute for bone regeneration.
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Affiliation(s)
- Da-Seul Kim
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jun-Kyu Lee
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
| | - Jun Hyuk Kim
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
| | - Jaemin Lee
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
| | - Dong Seon Kim
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Sanghyun An
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Sung-Bin Park
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jong Seop Rim
- Fetal Stem Cell Research Center, CHA Advanced Research Institute, Gyeonggi-do 13488, Republic of Korea
| | - Soonchul Lee
- Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University, Gyeonggi-do 13496, Republic of Korea
| | - Dong Keun Han
- Department of Biomedical Science, CHA University, Gyeonggi-do 13488, Republic of Korea
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Guo B, Feng X, Wang Y, Wang X, He Y. Biomimetic and immunomodulatory baicalin-loaded graphene oxide-demineralized bone matrix scaffold for in vivo bone regeneration. J Mater Chem B 2021; 9:9720-9733. [PMID: 34787627 DOI: 10.1039/d1tb00618e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of an artificial bone substitute is a potential strategy for repairing bone defects; however, the inadequate consideration of repair-immune system interactions, resulting in significant pathological changes in the microenvironment, is a major barrier to achieving effective regenerative outcomes. Here, we evaluated a biomimetic baicalin (BAI)-incorporating graphene oxide-demineralized bone matrix (GO-BAI/DBM) hybrid scaffold, which was beneficial for bone regeneration. First, by considering that bone is a kind of organic-inorganic composite, a biomimetic GO/DBM bone substitute with enhanced physiochemical and osteoinductive properties was fabricated. Furthermore, inherently therapeutic GO was also used as a drug delivery carrier to achieve the sustained and prolonged release of BAI. Notably, a series of experiments showed that the GO-BAI nanocomposites could transform inflammatory M1 macrophages into pro-healing M2 macrophages, which was beneficial for in vitro angiogenesis and osteogenesis. By using a rat subcutaneous model, it was revealed that the GO-BAI nanocomposites proactively ameliorated the inflammatory response, which was coupled with decreased fibrous encapsulation. Notably, obvious in situ calvarial bone regeneration was achieved using the GO-BAI/DBM hybrid scaffold. These findings demonstrated that the bifunctional GO-BAI/DBM scaffold, by enhancing beneficial cross-talk among bone cells and inflammatory cells, might be utilized as an effective strategy for bone regeneration.
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Affiliation(s)
- Bing Guo
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center of Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
| | - Xiaodong Feng
- Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266000, China
| | - Yun Wang
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Xiansong Wang
- Department of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of Tissue Engineering, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Yue He
- Department of Oral and Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center of Stomatology, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
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Baek SW, Song DH, Lee HI, Kim DS, Heo Y, Kim JH, Park CG, Han DK. Poly(L-Lactic Acid) Composite with Surface-Modified Magnesium Hydroxide Nanoparticles by Biodegradable Oligomer for Augmented Mechanical and Biological Properties. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5869. [PMID: 34640265 PMCID: PMC8510474 DOI: 10.3390/ma14195869] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 12/31/2022]
Abstract
Poly(L-lactic acid) (PLLA) has attracted a great deal of attention for its use in biomedical materials such as biodegradable vascular scaffolds due to its high biocompatibility. However, its inherent brittleness and inflammatory responses by acidic by-products of PLLA limit its application in biomedical materials. Magnesium hydroxide (MH) has drawn attention as a potential additive since it has a neutralizing effect. Despite the advantages of MH, the MH can be easily agglomerated, resulting in poor dispersion in the polymer matrix. To overcome this problem, oligo-L-lactide-ε-caprolactone (OLCL) as a flexible character was grafted onto the surface of MH nanoparticles due to its acid-neutralizing effect and was added to the PLLA to obtain PLLA/MH composites. The pH neutralization effect of MH was maintained after surface modification. In an in vitro cell experiment, the PLLA/MH composites including OLCL-grafted MH exhibited lower platelet adhesion, cytotoxicity, and inflammatory responses better than those of the control group. Taken together, these results prove that PLLA/MH composites including OLCL-grafted MH show excellent augmented mechanical and biological properties. This technology can be applied to biomedical materials for vascular devices such as biodegradable vascular scaffolds.
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Affiliation(s)
- Seung-Woon Baek
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
- Department of Biomedical Engineering, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si 16419, Korea;
- Department of Intelligent Precision Healthcare Convergence, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si 16419, Korea
| | - Duck Hyun Song
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
| | - Ho In Lee
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
| | - Da-Seul Kim
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
- School of Integrative Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Korea
| | - Yun Heo
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
| | - Jun Hyuk Kim
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
| | - Chun Gwon Park
- Department of Biomedical Engineering, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si 16419, Korea;
- Department of Intelligent Precision Healthcare Convergence, SKKU Institute for Convergence, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si 16419, Korea
| | - Dong Keun Han
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si 13488, Korea; (S.-W.B.); (D.H.S.); (H.I.L.); (D.-S.K.); (Y.H.); (J.H.K.)
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Ren J, Kohli N, Sharma V, Shakouri T, Keskin-Erdogan Z, Saifzadeh S, Brierly GI, Knowles JC, Woodruff MA, García-Gareta E. Poly-ε-Caprolactone/Fibrin-Alginate Scaffold: A New Pro-Angiogenic Composite Biomaterial for the Treatment of Bone Defects. Polymers (Basel) 2021; 13:3399. [PMID: 34641215 PMCID: PMC8512525 DOI: 10.3390/polym13193399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 12/11/2022] Open
Abstract
We hypothesized that a composite of 3D porous melt-electrowritten poly-ɛ-caprolactone (PCL) coated throughout with a porous and slowly biodegradable fibrin/alginate (FA) matrix would accelerate bone repair due to its angiogenic potential. Scanning electron microscopy showed that the open pore structure of the FA matrix was maintained in the PCL/FA composites. Fourier transform infrared spectroscopy and differential scanning calorimetry showed complete coverage of the PCL fibres by FA, and the PCL/FA crystallinity was decreased compared with PCL. In vitro cell work with osteoprogenitor cells showed that they preferentially bound to the FA component and proliferated on all scaffolds over 28 days. A chorioallantoic membrane assay showed more blood vessel infiltration into FA and PCL/FA compared with PCL, and a significantly higher number of bifurcation points for PCL/FA compared with both FA and PCL. Implantation into a rat cranial defect model followed by microcomputed tomography, histology, and immunohistochemistry after 4- and 12-weeks post operation showed fast early bone formation at week 4, with significantly higher bone formation for FA and PCL/FA compared with PCL. However, this phenomenon was not extrapolated to week 12. Therefore, for long-term bone regeneration, tuning of FA degradation to ensure syncing with new bone formation is likely necessary.
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Affiliation(s)
- Jiongyu Ren
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia; (J.R.); (G.I.B.); (M.A.W.)
| | - Nupur Kohli
- Regenerative Biomaterials Group, The RAFT Institute & The Griffin Institute, Northwick Park & Saint Mark’s Hospital, London HA1 3UJ, UK; (N.K.); (V.S.)
- Department of Mechanical Engineering, Imperial College London, London SW7 1AL, UK
| | - Vaibhav Sharma
- Regenerative Biomaterials Group, The RAFT Institute & The Griffin Institute, Northwick Park & Saint Mark’s Hospital, London HA1 3UJ, UK; (N.K.); (V.S.)
| | - Taleen Shakouri
- Division of Biomaterials & Tissue Engineering, Eastman Dental Institute, University College London, Rowland Hill Street, London NW3 2PF, UK; (T.S.); (Z.K.-E.); (J.C.K.)
| | - Zalike Keskin-Erdogan
- Division of Biomaterials & Tissue Engineering, Eastman Dental Institute, University College London, Rowland Hill Street, London NW3 2PF, UK; (T.S.); (Z.K.-E.); (J.C.K.)
| | - Siamak Saifzadeh
- Medical Engineering Research Facility, Queensland University of Technology, Brisbane, QLD 4059, Australia;
| | - Gary I. Brierly
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia; (J.R.); (G.I.B.); (M.A.W.)
| | - Jonathan C. Knowles
- Division of Biomaterials & Tissue Engineering, Eastman Dental Institute, University College London, Rowland Hill Street, London NW3 2PF, UK; (T.S.); (Z.K.-E.); (J.C.K.)
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 31116, Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Centre for Regenerative Medicine, Dankook University, Cheonan 31116, Korea
| | - Maria A. Woodruff
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia; (J.R.); (G.I.B.); (M.A.W.)
| | - Elena García-Gareta
- Regenerative Biomaterials Group, The RAFT Institute & The Griffin Institute, Northwick Park & Saint Mark’s Hospital, London HA1 3UJ, UK; (N.K.); (V.S.)
- Division of Biomaterials & Tissue Engineering, Eastman Dental Institute, University College London, Rowland Hill Street, London NW3 2PF, UK; (T.S.); (Z.K.-E.); (J.C.K.)
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Promotion of Bone Regeneration Using Bioinspired PLGA/MH/ECM Scaffold Combined with Bioactive PDRN. MATERIALS 2021; 14:ma14154149. [PMID: 34361342 PMCID: PMC8348682 DOI: 10.3390/ma14154149] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/26/2021] [Accepted: 07/22/2021] [Indexed: 12/16/2022]
Abstract
Current approaches of biomaterials for the repair of critical-sized bone defects still require immense effort to overcome numerous obstacles. The biodegradable polymer-based scaffolds have been required to expand further function for bone tissue engineering. Poly(lactic-co-glycolic) acid (PLGA) is one of the most common biopolymers owing to its biodegradability for tissue regenerations. However, there are major clinical challenges that the byproducts of the PLGA cause an acidic environment of implanting site. The critical processes in bone repair are osteogenesis, angiogenesis, and inhibition of excessive osteoclastogenesis. In this study, the porous PLGA (P) scaffold was combined with magnesium hydroxide (MH, M) and bone-extracellular matrix (bECM, E) to improve anti-inflammatory ability and osteoconductivity. Additionally, the bioactive polydeoxyribonucleotide (PDRN, P) was additionally incorporated in the existing PME scaffold. The prepared PMEP scaffold has pro-osteogenic and pro-angiogenic effects and inhibition of osteoclast due to the PDRN, which interacts with the adenosine A2A receptor agonist that up-regulates expression of vascular endothelial growth factor (VEGF) and down-regulates inflammatory cytokines. The PMEP scaffold has superior biological properties for human bone-marrow mesenchymal stem cells (hBMSCs) adhesion, proliferation, and osteogenic differentiation in vitro. Moreover, the gene expressions related to osteogenesis and angiogenesis of hBMSCs increased and the inflammatory factors decreased on the PMEP scaffold. In conclusion, it provides a promising strategy and clinical potential candidate for bone tissue regeneration and repairing bone defects.
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Xie C, Ye J, Liang R, Yao X, Wu X, Koh Y, Wei W, Zhang X, Ouyang H. Advanced Strategies of Biomimetic Tissue-Engineered Grafts for Bone Regeneration. Adv Healthc Mater 2021; 10:e2100408. [PMID: 33949147 DOI: 10.1002/adhm.202100408] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/16/2021] [Indexed: 12/21/2022]
Abstract
The failure to repair critical-sized bone defects often leads to incomplete regeneration or fracture non-union. Tissue-engineered grafts have been recognized as an alternative strategy for bone regeneration due to their potential to repair defects. To design a successful tissue-engineered graft requires the understanding of physicochemical optimization to mimic the composition and structure of native bone, as well as the biological strategies of mimicking the key biological elements during bone regeneration process. This review provides an overview of engineered graft-based strategies focusing on physicochemical properties of materials and graft structure optimization from macroscale to nanoscale to further boost bone regeneration, and it summarizes biological strategies which mainly focus on growth factors following bone regeneration pattern and stem cell-based strategies for more efficient repair. Finally, it discusses the current limitations of existing strategies upon bone repair and highlights a promising strategy for rapid bone regeneration.
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Affiliation(s)
- Chang Xie
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- Department of Sports Medicine Zhejiang University School of Medicine Hangzhou 310058 China
| | - Jinchun Ye
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Renjie Liang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Xudong Yao
- The Fourth Affiliated Hospital Zhejiang University School of Medicine Yiwu 322000 China
| | - Xinyu Wu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Yiwen Koh
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Wei Wei
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou 310058 China
| | - Xianzhu Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- Department of Sports Medicine Zhejiang University School of Medicine Hangzhou 310058 China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou 310058 China
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Tang G, Liu Z, Liu Y, Yu J, Wang X, Tan Z, Ye X. Recent Trends in the Development of Bone Regenerative Biomaterials. Front Cell Dev Biol 2021; 9:665813. [PMID: 34026758 PMCID: PMC8138062 DOI: 10.3389/fcell.2021.665813] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/01/2021] [Indexed: 12/12/2022] Open
Abstract
The goal of a biomaterial is to support the bone tissue regeneration process at the defect site and eventually degrade in situ and get replaced with the newly generated bone tissue. Biomaterials that enhance bone regeneration have a wealth of potential clinical applications from the treatment of non-union fractures to spinal fusion. The use of bone regenerative biomaterials from bioceramics and polymeric components to support bone cell and tissue growth is a longstanding area of interest. Recently, various forms of bone repair materials such as hydrogel, nanofiber scaffolds, and 3D printing composite scaffolds are emerging. Current challenges include the engineering of biomaterials that can match both the mechanical and biological context of bone tissue matrix and support the vascularization of large tissue constructs. Biomaterials with new levels of biofunctionality that attempt to recreate nanoscale topographical, biofactor, and gene delivery cues from the extracellular environment are emerging as interesting candidate bone regenerative biomaterials. This review has been sculptured around a case-by-case basis of current research that is being undertaken in the field of bone regeneration engineering. We will highlight the current progress in the development of physicochemical properties and applications of bone defect repair materials and their perspectives in bone regeneration.
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Affiliation(s)
- Guoke Tang
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zhiqin Liu
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
| | - Yi Liu
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jiangming Yu
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhihong Tan
- Department of Spine Surgery, The Affiliated Zhuzhou Hospital of Xiangya School of Medical CSU, Hunan, China
| | - Xiaojian Ye
- Department of Orthopedic Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Orthopedic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
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Shanbhag S, Mohamed-Ahmed S, Lunde THF, Suliman S, Bolstad AI, Hervig T, Mustafa K. Influence of platelet storage time on human platelet lysates and platelet lysate-expanded mesenchymal stromal cells for bone tissue engineering. Stem Cell Res Ther 2020; 11:351. [PMID: 32962723 PMCID: PMC7510290 DOI: 10.1186/s13287-020-01863-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/25/2020] [Accepted: 07/29/2020] [Indexed: 12/20/2022] Open
Abstract
Background Human platelet lysate (HPL) is emerging as the preferred xeno-free supplement for the expansion of mesenchymal stromal cells (MSCs) for bone tissue engineering (BTE) applications. Due to a growing demand, the need for standardization and scaling-up of HPL has been highlighted. However, the optimal storage time of the source material, i.e., outdated platelet concentrates (PCs), remains to be determined. The present study aimed to determine the optimal storage time of PCs in terms of the cytokine content and biological efficacy of HPL. Methods Donor-matched bone marrow (BMSCs) and adipose-derived MSCs (ASCs) expanded in HPL or fetal bovine serum (FBS) were characterized based on in vitro proliferation, immunophenotype, and multi-lineage differentiation. Osteogenic differentiation was assessed at early (gene expression), intermediate [alkaline phosphatase (ALP) activity], and terminal stages (mineralization). Using a multiplex immunoassay, the cytokine contents of HPLs produced from PCs stored for 1–9 months were screened and a preliminary threshold of 4 months was identified. Next, HPLs were produced from PCs stored for controlled durations of 0, 1, 2, 3, and 4 months, and their efficacy was compared in terms of cytokine content and BMSCs’ proliferation and osteogenic differentiation. Results BMSCs and ASCs in both HPL and FBS demonstrated a characteristic immunophenotype and multi-lineage differentiation; osteogenic differentiation of BMSCs and ASCs was significantly enhanced in HPL vs. FBS. Multiplex network analysis of HPL revealed several interacting growth factors, chemokines, and inflammatory cytokines. Notably, stem cell growth factor (SCGF) was detected in high concentrations. A majority of cytokines were elevated in HPLs produced from PCs stored for ≤ 4 months vs. > 4 months. However, no further differences in PC storage times between 0 and 4 months were identified in terms of HPLs’ cytokine content or their effects on the proliferation, ALP activity, and mineralization of BMSCs from multiple donors. Conclusions MSCs expanded in HPL demonstrate enhanced osteogenic differentiation, albeit with considerable donor variation. HPLs produced from outdated PCs stored for up to 4 months efficiently supported the proliferation and osteogenic differentiation of MSCs. These findings may facilitate the standardization and scaling-up of HPL from outdated PCs for BTE applications.
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Affiliation(s)
- Siddharth Shanbhag
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Turid Helen Felli Lunde
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
| | - Salwa Suliman
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Anne Isine Bolstad
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Tor Hervig
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway.,Laboratory of Immunology and Transfusion Medicine, Haugesund Hospital, Fonna Health Trust, Haugesund, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway.
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Bedair TM, Lee CK, Kim DS, Baek SW, Bedair HM, Joshi HP, Choi UY, Park KH, Park W, Han I, Han DK. Magnesium hydroxide-incorporated PLGA composite attenuates inflammation and promotes BMP2-induced bone formation in spinal fusion. J Tissue Eng 2020; 11:2041731420967591. [PMID: 33178410 PMCID: PMC7592173 DOI: 10.1177/2041731420967591] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 09/30/2020] [Indexed: 01/09/2023] Open
Abstract
Spinal fusion has become a common surgical technique to join two or more vertebrae to stabilize a damaged spine; however, the rate of pseudarthrosis (failure of fusion) is still high. To minimize pseudarthrosis, bone morphogenetic protein-2 (BMP2) has been approved for use in humans. In this study, we developed a poly(lactide-co-glycolide) (PLGA) composite incorporated with magnesium hydroxide (MH) nanoparticles for the delivery of BMP2. This study aimed to evaluate the effects of released BMP2 from BMP2-immobilized PLGA/MH composite scaffold in an in vitro test and an in vivo mice spinal fusion model. The PLGA/MH composite films were fabricated via solvent casting technique. The surface of the PLGA/MH composite scaffold was modified with polydopamine (PDA) to effectively immobilize BMP2 on the PLGA/MH composite scaffold. Analyzes of the scaffold revealed that using PLGA/MH-PDA improved hydrophilicity, degradation performance, neutralization effects, and increased BMP2 loading efficiency. In addition, releasing BMP2 from the PLGA/MH scaffold significantly promoted the proliferation and osteogenic differentiation of MC3T3-E1 cells. Furthermore, the pH neutralization effect significantly increased in MC3T3-E1 cells cultured on the BMP2-immobilized PLGA/MH scaffold. In our animal study, the PLGA/MH scaffold as a BMP2 carrier attenuates inflammatory responses and promotes BMP2-induced bone formation in posterolateral spinal fusion model. These results collectively demonstrate that the BMP2-immobilized PLGA/MH scaffold offers great potential in effectively inducing bone formation in spinal fusion surgery.
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Affiliation(s)
- Tarek M. Bedair
- Department of Biomedical Science, CHA
University, Seongnam-si, Gyeonggi-do, Republic of Korea
- Chemistry Department, Faculty of
Science, Minia University, El-Minia, Egypt
| | - Chang Kyu Lee
- Department of Neurosurgery, Keimyung
University Dongsan Medical Center, Daegu, Republic of Korea
| | - Da-Seul Kim
- Department of Biomedical Science, CHA
University, Seongnam-si, Gyeonggi-do, Republic of Korea
- School of Integrative Engineering,
Chung-Ang University, Dongjak-gu, Seoul, Republic of Korea
| | - Seung-Woon Baek
- Department of Biomedical Science, CHA
University, Seongnam-si, Gyeonggi-do, Republic of Korea
- Department of Biomedical Engineering,
Sungkyunkwan University, Jangan-gu, Gyeonggi-do, Republic of Korea
| | - Hanan M. Bedair
- Department of Clinical Pathology,
National Liver Institute, Menoufia University, Menoufia, Egypt
| | - Hari Prasad Joshi
- Department of Neurosurgery, CHA
University School of Medicine, CHA Bungdang Medical Center, Seongnam-si,
Gyeonggi-do, Republic of Korea
| | - Un Yong Choi
- Department of Neurosurgery, CHA
University School of Medicine, CHA Bungdang Medical Center, Seongnam-si,
Gyeonggi-do, Republic of Korea
| | - Keun-Hong Park
- Department of Biomedical Science, CHA
University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Wooram Park
- Department of Biomedical-Chemical
Engineering, The Catholic University of Korea, Bucheon-Si, Gyeonggi-do, Republic of
Korea
| | - InBo Han
- Department of Neurosurgery, CHA
University School of Medicine, CHA Bungdang Medical Center, Seongnam-si,
Gyeonggi-do, Republic of Korea
| | - Dong Keun Han
- Department of Biomedical Science, CHA
University, Seongnam-si, Gyeonggi-do, Republic of Korea
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Liang Z, Luo Y, Lv Y. Mesenchymal stem cell-derived microvesicles mediate BMP2 gene delivery and enhance bone regeneration. J Mater Chem B 2020; 8:6378-6389. [DOI: 10.1039/d0tb00422g] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Microvesicles–polyethyleneimine/pDNA formed via layer-by-layer self-assembly increase the delivery of hBMP2 plasmids and enhance bone repair.
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Affiliation(s)
- Zhuo Liang
- Mechanobiology and Regenerative Medicine Laboratory
- Bioengineering College
- Chongqing University
- Chongqing 400044
- P. R. China
| | - Yue Luo
- Mechanobiology and Regenerative Medicine Laboratory
- Bioengineering College
- Chongqing University
- Chongqing 400044
- P. R. China
| | - Yonggang Lv
- Mechanobiology and Regenerative Medicine Laboratory
- Bioengineering College
- Chongqing University
- Chongqing 400044
- P. R. China
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