1
|
Chu X, Fu Z, Liu Y, Dai Y, Wang J, Song J, Dong Z, Yan Y, Yu K. Mechanical Properties, Microstructure, Degradation Behavior, and Biocompatibility of Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg Guided Bone Regeneration Barrier Membranes Prepared Using a Powder Metallurgy Method. ACS Biomater Sci Eng 2024; 10:6520-6532. [PMID: 39360994 DOI: 10.1021/acsbiomaterials.4c01068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2024]
Abstract
Pure zinc exhibits low mechanical properties, making it unsuitable for use in guided bone regeneration (GBR) membranes. The present study focused on the preparation of Zn alloy GBR films using powder metallurgy, resulting in Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg alloy GBR films. The tensile strength of the pure Zn GBR film measured 85.9 MPa, while an elongation at break was 13.5%. In contrast, Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg alloy GBR films demonstrated significantly higher tensile strengths of 145.3 and 164.4 MPa, respectively, whereas elongations at break were 30.2% and 19.3%. The addition of Ti, Fe, and Mg substantially enhanced the mechanical properties of the zinc alloys. Corrosion analysis revealed that Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg alloy GBR membranes exhibited corrosion potentials of -1.298 and -1.316 V, respectively, with corresponding corrosion current densities of 12.11 and 13.32 μA/cm2. These values were translated to corrosion rates of 0.181 and 0.199 mm/year, indicating faster corrosion rates compared to pure Zn GBR membranes, which displayed a corrosion rate of 0.108 mm/year. Notably, both Zn-based alloy GBR membranes demonstrated excellent cytocompatibility, with a cytotoxicity rating of 0-1 in 25% leachate. Additionally, these membranes exhibited favorable osteogenic ability, as evidenced by the quantitative bone volume/tissue volume ratios (BV/TV) of new bone formation, which reached 30.3 ± 1.4% and 65.5 ± 1.8% for the Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg alloy GBR membranes, respectively, after 12 weeks of implantation. These results highlighted the significant potential for facilitating new bone growth. The proposed Zn-0.5Ti-0.5Fe and Zn-0.5Ti-0.5Mg alloy GBR membranes showed promise as viable biodegradable materials for future clinical studies.
Collapse
Affiliation(s)
- Xin Chu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha, Hunan 410205, China
| | - Zhendi Fu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
| | - Yiting Liu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha, Hunan 410205, China
| | - Yilong Dai
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan 411105, China
| | - Jun Wang
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
- Hunan Brain Hospital, Changsha, Hunan 410021, China
| | - Jueming Song
- Hunan Hydro Dynamic New Com. Ltd., Xiangtan, Hunan 41101, China
| | - Zhibin Dong
- SPON Communications Co. Ltd., Changsha, Hunan 410000, China
| | - Yang Yan
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong 999077, Hong Kong, China
| | - Kun Yu
- School of Materials Science and Engineering, Central South University, Changsha, Hunan 410083, China
- National Engineering Research Centre of Advanced Energy Storage Materials, Changsha, Hunan 410205, China
| |
Collapse
|
2
|
Bucchi C, Baeza J, Guarda J, Bucchi A, Martínez-Rodríguez P. A cost-effective tool to standardize the scratch assay for cell migration. Biol Cell 2024; 116:e2400061. [PMID: 39151164 DOI: 10.1111/boc.202400061] [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: 06/01/2024] [Accepted: 07/20/2024] [Indexed: 08/18/2024]
Abstract
BACKGROUND The scratch assay is commonly used in cell biology to evaluate cell migration; however, it is not a standardized method; it produces highly variable gap dimensions. We design a printable device, comprising a single wounding tool and a guide, and compared the gap produced by our device and the traditional method. The deviceis printable in a standard 3D printer. Cells were seeded on a 24-well plate. After reaching full confluency, a gap was created using the traditional method (scratch assay with a pipette tip), a pipette tip and the guide of the device, or the single wounding tool and the guide. The gaps were observed for up to 48 h under a light microscope and analyzed. RESULTS The results show that the traditional method produces irregular and not straight gaps, and had the worst cell migration rates compared to the other groups. The wounding tool produced scrape signs at the well surface. CONCLUSION The guide and pipette tip delivered the best results for the scratch assay. SIGNIFICANCE The use of the guide and the pipette tip for the scratch assay allows allows to perform reproducible cell migration experiments.
Collapse
Affiliation(s)
- Cristina Bucchi
- Integral Adult Dentistry Department, Universidad de La Frontera, Temuco, Chile
- Oral Biology Center, Faculty of Dentistry, Universidad de La Frontera, Temuco, Chile
| | - Josefa Baeza
- Integral Adult Dentistry Department, Universidad de La Frontera, Temuco, Chile
| | - Jaime Guarda
- Center of Physics and Engineering in Medicine, Universidad de La Frontera, Temuco, Chile
| | - Ana Bucchi
- Integral Adult Dentistry Department, Universidad de La Frontera, Temuco, Chile
| | - Paulina Martínez-Rodríguez
- Programa de Doctorado en Ciencias, mención Biología Celular y Molecular Aplicada, Universidad de La Frontera, Temuco, Chile
| |
Collapse
|
3
|
Ashfaq R, Kovács A, Berkó S, Budai-Szűcs M. Developments in Alloplastic Bone Grafts and Barrier Membrane Biomaterials for Periodontal Guided Tissue and Bone Regeneration Therapy. Int J Mol Sci 2024; 25:7746. [PMID: 39062989 PMCID: PMC11277074 DOI: 10.3390/ijms25147746] [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: 06/18/2024] [Revised: 07/04/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
Periodontitis is a serious form of oral gum inflammation with recession of gingival soft tissue, destruction of the periodontal ligament, and absorption of alveolar bone. Management of periodontal tissue and bone destruction, along with the restoration of functionality and structural integrity, is not possible with conventional clinical therapy alone. Guided bone and tissue regeneration therapy employs an occlusive biodegradable barrier membrane and graft biomaterials to guide the formation of alveolar bone and tissues for periodontal restoration and regeneration. Amongst several grafting approaches, alloplastic grafts/biomaterials, either derived from natural sources, synthesization, or a combination of both, offer a wide variety of resources tailored to multiple needs. Examining several pertinent scientific databases (Web of Science, Scopus, PubMed, MEDLINE, and Cochrane Library) provided the foundation to cover the literature on synthetic graft materials and membranes, devoted to achieving periodontal tissue and bone regeneration. This discussion proceeds by highlighting potential grafting and barrier biomaterials, their characteristics, efficiency, regenerative ability, therapy outcomes, and advancements in periodontal guided regeneration therapy. Marketed and standardized quality products made of grafts and membrane biomaterials have been documented in this work. Conclusively, this paper illustrates the challenges, risk factors, and combination of biomaterials and drug delivery systems with which to reconstruct the hierarchical periodontium.
Collapse
Affiliation(s)
| | | | | | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary; (R.A.); (A.K.); (S.B.)
| |
Collapse
|
4
|
Wang B, Xie X, Jiang W, Zhan Y, Zhang Y, Guo Y, Wang Z, Guo N, Guo K, Sun J. Osteoinductive micro-nano guided bone regeneration membrane for in situ bone defect repair. Stem Cell Res Ther 2024; 15:135. [PMID: 38715130 PMCID: PMC11077813 DOI: 10.1186/s13287-024-03745-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 04/26/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Biomaterials used in bone tissue engineering must fulfill the requirements of osteoconduction, osteoinduction, and osseointegration. However, biomaterials with good osteoconductive properties face several challenges, including inadequate vascularization, limited osteoinduction and barrier ability, as well as the potential to trigger immune and inflammatory responses. Therefore, there is an urgent need to develop guided bone regeneration membranes as a crucial component of tissue engineering strategies for repairing bone defects. METHODS The mZIF-8/PLA membrane was prepared using electrospinning technology and simulated body fluid external mineralization method. Its ability to induce biomimetic mineralization was evaluated through TEM, EDS, XRD, FT-IR, zeta potential, and wettability techniques. The biocompatibility, osteoinduction properties, and osteo-immunomodulatory effects of the mZIF-8/PLA membrane were comprehensively evaluated by examining cell behaviors of surface-seeded BMSCs and macrophages, as well as the regulation of cellular genes and protein levels using PCR and WB. In vivo, the mZIF-8/PLA membrane's potential to promote bone regeneration and angiogenesis was assessed through Micro-CT and immunohistochemical staining. RESULTS The mineralized deposition enhances hydrophilicity and cell compatibility of mZIF-8/PLA membrane. mZIF-8/PLA membrane promotes up-regulation of osteogenesis and angiogenesis related factors in BMSCs. Moreover, it induces the polarization of macrophages towards the M2 phenotype and modulates the local immune microenvironment. After 4-weeks of implantation, the mZIF-8/PLA membrane successfully bridges critical bone defects and almost completely repairs the defect area after 12-weeks, while significantly improving the strength and vascularization of new bone. CONCLUSIONS The mZIF-8/PLA membrane with dual osteoconductive and immunomodulatory abilities could pave new research paths for bone tissue engineering.
Collapse
Affiliation(s)
- Bingqian Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Xinfang Xie
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Wenbin Jiang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Yichen Zhan
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Yifan Zhang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Yaqi Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Zhenxing Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China
| | - Nengqiang Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| | - Ke Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| | - Jiaming Sun
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, 430022, China.
| |
Collapse
|
5
|
Kim ER, Lee C, Lee CH, Cho SH. Long-term Outcomes of Polytetrafluoroethylene Bicuspid Pulmonary Valve Replacement. Ann Thorac Surg 2024; 117:535-541. [PMID: 37666352 DOI: 10.1016/j.athoracsur.2023.08.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 07/22/2023] [Accepted: 08/07/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND In 2016 we reported promising midterm outcomes of bicuspid pulmonary valve replacement using 0.1-mm polytetrafluoroethylene (PTFE) membrane. This follow-up study analyzes long-term outcomes and risk factors for reintervention and structural valve deterioration (SVD). METHODS We performed a retrospective review of the original 119 patients who underwent PTFE bicuspid pulmonary valve replacement. Median patient age was 16.9 years (range, 0.4-57.1). Reintervention was defined as any surgical or percutaneous catheter procedure on the PTFE valve. SVD was defined as development of a peak pressure gradient ≥ 50 mm Hg or at least a moderate amount of pulmonary regurgitation on follow-up echocardiography. RESULTS The median follow-up duration was 9.5 years. The survival rate was 96.5% at 5 and 10 years, with 2 early and 2 late mortalities. Freedom from reintervention was 90.0% at 5 years and 63.3% at 10 years. Freedom from SVD was 92.8% at 5 years and 51.1% at 10 years, with regurgitation the predominant mode (64.6%). Freedom from both reintervention and SVD at 5 and 10 years were 89.1% and 49.5%, respectively. Multivariable analysis identified smaller valve diameter (hazard ratio, 0.82; P < .001) and more than trivial pulmonary regurgitation at discharge (hazard ratio, 5.81; P < .001) as risk factors for reintervention or SVD. CONCLUSIONS Long-term results of the PTFE bicuspid pulmonary valve replacement were acceptable. However, improvements may be needed to reduce technical error and improve durability. Smaller valve diameter and more than trivial pulmonary regurgitation at discharge were risk factors for reintervention or SVD, warranting careful follow-up for timely reintervention.
Collapse
Affiliation(s)
- Eung Re Kim
- Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Bucheon-si, Gyeonggi-do, Republic of Korea
| | - Cheul Lee
- Department of Thoracic and Cardiovascular Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Chang-Ha Lee
- Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Bucheon-si, Gyeonggi-do, Republic of Korea
| | - Sang-Hoon Cho
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| |
Collapse
|
6
|
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.
Collapse
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
| |
Collapse
|
7
|
Bokobza A, Nicot R, Raoul G, Afota F, Choukroun J, Savoldelli C. Management of postoperative outcomes of polytetrafluoroethylene membranes in alveolar ridge reconstruction: a systematic review. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2023; 124:101641. [PMID: 37739223 DOI: 10.1016/j.jormas.2023.101641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/17/2023] [Accepted: 09/19/2023] [Indexed: 09/24/2023]
Abstract
Guided bone regeneration (GBR) is a validated technique with satisfactory outcomes during 30 years of follow-up. The use of polytetrafluoroethylene (PTFE) membrane for vertical augmentation has been studied extensively. However, studies have reported exposure rates of up to 31%, there is no consensus on the management of postoperative exposure. The objective of this study was to propose a management approach for postoperative exposure of polytetrafluoroethylene (PTFE) membranes in alveolar ridge reconstruction. MATERIAL AND METHOD An electronic search in PubMed Central's and additional electronic databases was performed. The search strategy was limited to human studies, full-text English or French articles published from 1990 until april 2023. The extracted data included defect location, membrane type, biomaterials, time to postoperative exposure, and Fontana classification stage. Protocol bias assessment was performed using an adaptation of the QUADAS-2 tool. This review has been registered on PROSPERO (ID: CRD42023445497). RESULTS A total of 43 articles were found to be eligible, and 11 of these met the predefined inclusion and exclusion criteria. Based on the results of this systematic review, an algorithm for the management of PTFE membrane exposure is proposed. CONCLUSION Postoperative membrane exposure is not a determining factor for the success of bone grafting. In cases with postoperative complications, the majority of cases still achieved adequate implant-prosthetic rehabilitation. Lastly, this series of 11 articles was insufficient to draw conclusions regarding good practice recommendations. A larger series is required to validate the specific management approaches.
Collapse
Affiliation(s)
- Allan Bokobza
- Univ. Lille, CHU Lille, Department of Oral and Maxillofacial Surgery, F-59000 Lille, France.
| | - Romain Nicot
- Univ. Lille, CHU Lille, Inserm, Department of Oral and Maxillofacial Surgery, U1008 - Advanced Drug Delivery Systems, F-59000 Lille, France
| | - Gwénaël Raoul
- Univ. Lille, CHU Lille, Inserm, Department of Oral and Maxillofacial Surgery, U1008 - Advanced Drug Delivery Systems, F-59000 Lille, France
| | - Franck Afota
- Head and Neck Institute, University Hospital of Nice, 31 avenue de Valombrose, 06100 Nice, France
| | | | | |
Collapse
|
8
|
Che Z, O'Donovan S, Xiao X, Wan X, Chen G, Zhao X, Zhou Y, Yin J, Chen J. Implantable Triboelectric Nanogenerators for Self-Powered Cardiovascular Healthcare. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207600. [PMID: 36759957 DOI: 10.1002/smll.202207600] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Triboelectric nanogenerators (TENGs) have gained significant traction in recent years in the bioengineering community. With the potential for expansive applications for biomedical use, many individuals and research groups have furthered their studies on the topic, in order to gain an understanding of how TENGs can contribute to healthcare. More specifically, there have been a number of recent studies focusing on implantable triboelectric nanogenerators (I-TENGs) toward self-powered cardiac systems healthcare. In this review, the progression of implantable TENGs for self-powered cardiovascular healthcare, including self-powered cardiac monitoring devices, self-powered therapeutic devices, and power sources for cardiac pacemakers, will be systematically reviewed. Long-term expectations of these implantable TENG devices through their biocompatibility and other utilization strategies will also be discussed.
Collapse
Affiliation(s)
- Ziyuan Che
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Sarah O'Donovan
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xiao Xiao
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xiao Wan
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Guorui Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xun Zhao
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yihao Zhou
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Junyi Yin
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| |
Collapse
|
9
|
Kim K, Su Y, Kucine AJ, Cheng K, Zhu D. Guided Bone Regeneration Using Barrier Membrane in Dental Applications. ACS Biomater Sci Eng 2023; 9:5457-5478. [PMID: 37650638 DOI: 10.1021/acsbiomaterials.3c00690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Guided bone regeneration (GBR) is a widely used technique in preclinical and clinical studies due to its predictability. Its main purpose is to prevent the migration of soft tissue into the osseous wound space, while allowing osseous cells to migrate to the site. GBR is classified into two main categories: resorbable and non-resorbable membranes. Resorbable membranes do not require a second surgery but tend to have a short resorption period. Conversely, non-resorbable membranes maintain their mechanical strength and prevent collapse. However, they require removal and are susceptible to membrane exposure. GBR is often used with bone substitute graft materials to fill the defect space and protect the bone graft. The membrane can also undergo various modifications, such as surface modification and biological factor loading, to improve barrier functions and bone regeneration. In addition, bone regeneration is largely related to osteoimmunology, a new field that focuses on the interactions between bone and the immune system. Understanding these interactions can help in developing new treatments for bone diseases and injuries. Overall, GBR has the potential to be a powerful tool in promoting bone regeneration. Further research in this area could lead to advancements in the field of bone healing. This review will highlight resorbable and non-resorbable membranes with cellular responses during bone regeneration, provide insights into immunological response during bone remodeling, and discuss antibacterial features.
Collapse
Affiliation(s)
- Kakyung Kim
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Yingchao Su
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Allan J Kucine
- Department of Oral and Maxillofacial Surgery, Stony Brook University, Stony Brook, New York 11794, United States
| | - Ke Cheng
- Department of Biomedical Engineering, Columbia University, New York City, New York 10027, United States
| | - Donghui Zhu
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| |
Collapse
|
10
|
Vargas SM, Johnson TM, Pfaff AS, Bumpers AP, Wagner JC, Retrum JK, Colamarino AN, Bunting ME, Wilson JP, McDaniel CR, Herold RW, Stancoven BW, Lincicum AR. Clinical protocol selection for alveolar ridge augmentation at sites exhibiting slight, moderate, and severe horizontal ridge deficiencies. Clin Adv Periodontics 2023; 13:174-196. [PMID: 36760073 DOI: 10.1002/cap.10239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 02/02/2023] [Indexed: 02/11/2023]
Abstract
FOCUSED CLINICAL QUESTION What factors identify the optimal bone augmentation techniques for managing slight, moderate, and severe horizontal alveolar ridge deficiency (ARD) at dental implant sites? SUMMARY Horizontal ARD is a concern at a high proportion of sites receiving dental implants, and clinicians have developed a variety of surgical procedures to address such defects. In a particular case, selection of the optimal treatment may depend predominantly on defect severity, location (anterior versus posterior), and configuration (contained versus noncontained). This report provides a framework for selecting an augmentation method when presented with a slight, moderate, or severe horizontal ARD at a site requiring dental implant placement. CONCLUSION Multiple treatment options are available for planned implant sites exhibiting horizontal ARD; severe posterior and slight anterior defects intuitively call for different approaches. Although rigid guidelines for selecting the optimal augmentation method do not exist, some techniques are poorly suited for esthetically demanding sites. A framework considering defect severity, location, and configuration may help guide clinical decisions on this topic.
Collapse
Affiliation(s)
- Sarah M Vargas
- Department of Periodontics, United States Army Dental Health Activity, Fort Bragg, North Carolina, USA
| | - Thomas M Johnson
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| | - Aaron S Pfaff
- Department of Periodontics, United States Army Dental Health Activity, Fort Wainwright, Alaska, USA
| | - April P Bumpers
- Department of Periodontics, United States Army Dental Health Activity, Fort Jackson, South Carolina, USA
| | - Jennah C Wagner
- Department of Periodontics, United States Army Dental Health Activity, Fort Meade, Maryland, USA
| | - Joseph K Retrum
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| | - Aaron N Colamarino
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| | - Megan E Bunting
- Department of Periodontics, United States Army Dental Health Activity, Fort Drum, New York, USA
| | - James P Wilson
- Department of Periodontics, United States Army Dental Health Activity, Fort Campbell, Kentucky, USA
| | - Carsen R McDaniel
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| | - Robert W Herold
- Department of Periodontics, Veterans Administration Medical Center, Augusta, Georgia, USA
| | - Brian W Stancoven
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| | - Adam R Lincicum
- Department of Periodontics, Army Postgraduate Dental School, Fort Gordon, Georgia, USA
| |
Collapse
|
11
|
Chen S, Bin Abdul Rahim AA, Mok P, Liu D. An effective device to enable consistent scratches for in vitro scratch assays. BMC Biotechnol 2023; 23:32. [PMID: 37641063 PMCID: PMC10464081 DOI: 10.1186/s12896-023-00806-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 08/22/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND The in-vitro scratch assay is a useful method in wound healing research to assess cell migration. In this assay, a scratch is created in a confluent cell layer by mechanically removing cells through manual scraping with a sharp-edged tool. This step is traditionally done with pipette tips and is unsuitable for high-throughput assays, as the created scratches are highly variable in width and position. Commercially available solutions are often expensive, and require specific cultureware which might not be suitable for all studies. RESULTS In this study, we have developed a flexible cell scratch device comprising a single wounding tool, a guide and an imaging template for consistent and reproducible scratch assays in 96-well plates. Our results showed that the device produced a more consistent scratch profile compared to the conventional method of using pipette tips. The imaging template also allowed operators to easily locate and image the same region of interest at different time points, which potentially could be used for other assays. CONCLUSIONS Our flexible yet effective scratch device thus enables robust scratch assays that can be applied to different experimental needs, providing researchers with an easy and reliable tool for their studies.
Collapse
Affiliation(s)
- Sixun Chen
- Agency for Science, Technology and Research (A*STAR), Bioprocessing Technology Institute BTI, 20 Biopolis Way, Singapore, 138668, Singapore
- Celligenics Pte Ltd, 30 Biopolis Street, Singapore, 138671, Singapore
| | - Ahmad Amirul Bin Abdul Rahim
- Agency for Science, Technology and Research (A*STAR), Bioprocessing Technology Institute BTI, 20 Biopolis Way, Singapore, 138668, Singapore
| | - Pamela Mok
- Celligenics Pte Ltd, 30 Biopolis Street, Singapore, 138671, Singapore
| | - Dan Liu
- Agency for Science, Technology and Research (A*STAR), Bioprocessing Technology Institute BTI, 20 Biopolis Way, Singapore, 138668, Singapore.
| |
Collapse
|
12
|
Wu J, Zhang Y, Lyu Y, Cheng L. On the Various Numerical Techniques for the Optimization of Bone Scaffold. MATERIALS (BASEL, SWITZERLAND) 2023; 16:974. [PMID: 36769983 PMCID: PMC9917976 DOI: 10.3390/ma16030974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/09/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
As the application of bone scaffolds becomes more and more widespread, the requirements for the high performance of bone scaffolds are also increasing. The stiffness and porosity of porous structures can be adjusted as needed, making them good candidates for repairing damaged bone tissues. However, the development of porous bone structures is limited by traditional manufacturing methods. Today, the development of additive manufacturing technology has made it very convenient to manufacture bionic porous bone structures as needed. In the present paper, the current state-of-the-art optimization techniques for designing the scaffolds and the settings of different optimization methods are introduced. Additionally, various design methods for bone scaffolds are reviewed. Furthermore, the challenges in designing high performance bone scaffolds and the future developments of bone scaffolds are also presented.
Collapse
Affiliation(s)
- Jiongyi Wu
- Department of Engineering Mechanics, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Youwei Zhang
- Department of Engineering Mechanics, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Yongtao Lyu
- Department of Engineering Mechanics, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
- State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China
| | - Liangliang Cheng
- Department of Orthopeadics, Affiliated Zhongshan Hospital of Dalian University, No. 6 Jiefang Street, Dalian 116001, China
| |
Collapse
|
13
|
Araújo LK, Lopes MDS, Souza FFPD, Melo MMD, Paulo ADO, Castro-Silva II. Efficiency analysis of commercial polymeric membranes for bone regeneration in rat cranial defects. Acta Cir Bras 2023; 38:e380623. [PMID: 36888756 PMCID: PMC10037556 DOI: 10.1590/acb380623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/06/2023] [Indexed: 03/08/2023] Open
Abstract
PURPOSE To evaluate the in vivo efficiency of commercial polymeric membranes for guided bone regeneration. METHODS Rat calvarial critical size defects was treated with LuminaCoat (LC), Surgitime PTFE (SP), GenDerm (GD), Pratix (PR), Techgraft (TG) or control (C-) and histomorphometric analysis determined the percentage of new bone, connective tissue and biomaterial at 1 or 3 months. Statistical analysis used ANOVA with Tukey's post-test for means at same experimental time and the paired Student's t test between the two periods, considering p < 0.05. RESULTS New bone at 1 month was higher for SP, TG and C-, at 3 months there were no differences, and between 1 and 3 months PR had greater increase growthing. Connective tissue at 1 month was higher for C-, at 3 months for PR, TG and C-, and between 1 and 3 months C- had sharp decline. Biomaterial at 1 month was higher for LC, in 3 months for SP and TG, and between 1 and 3 months, LC, GD and TG had more decreasing mean. CONCLUSIONS SP had greater osteopromotive capacity and limitation of connective ingrowth, but did not exhibit degradation. PR and TG had favorable osteopromotion, LC less connective tissue and GD more accelerated biodegradation.
Collapse
Affiliation(s)
- Lana Karine Araújo
- Universidade Federal do Ceará - Postgraduate Program in Biotechnology - Sobral (CE), Brazil
| | | | | | | | | | - Igor Iuco Castro-Silva
- Universidade Federal do Ceará - Postgraduate Program in Biotechnology - Sobral (CE), Brazil
| |
Collapse
|
14
|
Ren Y, Fan L, Alkildani S, Liu L, Emmert S, Najman S, Rimashevskiy D, Schnettler R, Jung O, Xiong X, Barbeck M. Barrier Membranes for Guided Bone Regeneration (GBR): A Focus on Recent Advances in Collagen Membranes. Int J Mol Sci 2022; 23:ijms232314987. [PMID: 36499315 PMCID: PMC9735671 DOI: 10.3390/ijms232314987] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/25/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
Guided bone regeneration (GBR) has become a clinically standard modality for the treatment of localized jawbone defects. Barrier membranes play an important role in this process by preventing soft tissue invasion outgoing from the mucosa and creating an underlying space to support bone growth. Different membrane types provide different biological mechanisms due to their different origins, preparation methods and structures. Among them, collagen membranes have attracted great interest due to their excellent biological properties and desired bone regeneration results to non-absorbable membranes even without a second surgery for removal. This work provides a comparative summary of common barrier membranes used in GBR, focusing on recent advances in collagen membranes and their biological mechanisms. In conclusion, the review article highlights the biological and regenerative properties of currently available barrier membranes with a particular focus on bioresorbable collagen-based materials. In addition, the advantages and disadvantages of these biomaterials are highlighted, and possible improvements for future material developments are summarized.
Collapse
Affiliation(s)
- Yanru Ren
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
- BerlinAnalytix GmbH, 12109 Berlin, Germany
| | - Lu Fan
- NMI Natural and Medical Sciences Institute, University of Tübingen, 72770 Reutlingen, Germany
| | | | - Luo Liu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100013, China
| | - Steffen Emmert
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Stevo Najman
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Denis Rimashevskiy
- Department of Traumatology and Orthopedics, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
| | - Reinhard Schnettler
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany
| | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Xin Xiong
- NMI Natural and Medical Sciences Institute, University of Tübingen, 72770 Reutlingen, Germany
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
- BerlinAnalytix GmbH, 12109 Berlin, Germany
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100013, China
- Correspondence: ; Tel.: +49-(0)-176-81022467
| |
Collapse
|
15
|
Palkovics D, Bolya-Orosz F, Pinter C, Molnar B, Windisch P. Reconstruction of vertical alveolar ridge deficiencies utilizing a high-density polytetrafluoroethylene membrane /clinical impact of flap dehiscence on treatment outcomes: case series/. BMC Oral Health 2022; 22:490. [PMCID: PMC9664701 DOI: 10.1186/s12903-022-02513-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022] Open
Abstract
Abstract
Objectives
The aim of this study was to evaluate the effects of membrane exposure during vertical ridge augmentation (VRA) utilizing guided bone regeneration with a dense polytetrafluoroethylene (d-PTFE) membrane and a tent-pole space maintaining approach by registering radiographic volumetric, linear and morphological changes.
Methods
In 8 cases alveolar ridge defects were accessed utilizing a split-thickness flap design. Following flap elevation VRA was performed with tent-pole space maintaining approach utilizing the combination of a non-reinforced d-PTFE membrane and a composite graft (1:1 ratio of autogenous bone chips and bovine derived xenografts). Three-dimensional radiographic evaluation of hard tissue changes was carried out with the sequence of cone-beam computed tomography (CBCT) image segmentation, spatial registration and 3D subtraction analysis.
Results
Class I or class II membrane exposure was observed in four cases. Average hard tissue gain was found to be 0.70 cm3 ± 0.31 cm3 and 0.82 cm3 ± 0.40 cm3 with and without membrane exposure resulting in a 17% difference. Vertical hard tissue gain averaged 4.06 mm ± 0.56 mm and 3.55 mm ± 0.43 mm in case of submerged and open healing, respectively. Difference in this regard was 14% between the two groups. Horizontal ridge width at 9-month follow-up was 5.89 mm ± 0.51 mm and 5.61 mm ± 1.21 mm with and without a membrane exposure respectively, resulting in a 5% difference.
Conclusions
With the help of the currently reported 3D radiographic evaluation method, it can be concluded that exposure of the new-generation d-PTFE membrane had less negative impact on clinical results compared to literature data reporting on expanded polytetrafluoroethylene membranes.
Collapse
|
16
|
Hautmann A, Kedilaya D, Stojanović S, Radenković M, Marx CK, Najman S, Pietzsch M, Mano JF, Groth T. Free-standing multilayer films as growth factor reservoirs for future wound dressing applications. BIOMATERIALS ADVANCES 2022; 142:213166. [PMID: 36306555 DOI: 10.1016/j.bioadv.2022.213166] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/12/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Chronic skin wounds place a high burden on patients and health care systems. The use of angiogenic and mitogenic growth factors can facilitate the healing but growth factors are quickly inactivated by the wound environment if added exogenously. Here, free-standing multilayer films (FSF) are fabricated from chitosan and alginate as opposing polyelectrolytes in an alternating manner using layer-by-layer technique. One hundred bilayers form an about 450 μm thick, detachable free-standing film that is subsequently crosslinked by either ethyl (dimethylaminopropyl) carbodiimide combined with N-hydroxysuccinimide (E-FSF) or genipin (G-FSF). The characterization of swelling, oxygen permeability and crosslinking density shows reduced swelling and oxygen permeability for both crosslinked films compared to non-crosslinked films (N-FSF). Loading of fibroblast growth factor 2 (FGF2) into the films results in a sustained release from crosslinked FSF in comparison to non-crosslinked FSF. Biocompatibility studies in vitro with human dermal fibroblasts cultured underneath the films demonstrate increased cell growth and cell migration for all films with and without FGF2. Especially G-FSF loaded with FGF2 greatly increases cell proliferation and migration. In vivo biocompatibility studies by subcutaneous implantation in mice show that E-FSF causes an inflammatory tissue response that is absent in the case of G-FSF. N-FSF also represents a biocompatible film but shows early degradation. All FSF possess antibacterial properties against gram+ and gram- bacteria demonstrated by an agar diffusion disc assay. In summary, FSF made of alginate and chitosan crosslinked with genipin can act as a reservoir for the sustained release of FGF2, possessing high biocompatibility in vitro and in vivo. Moreover, G-FSF promotes growth and migration of human dermal fibroblasts and has antibacterial properties, which makes it an interesting candidate for bioactive wound.
Collapse
Affiliation(s)
- Adrian Hautmann
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany
| | - Devaki Kedilaya
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany
| | - Sanja Stojanović
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia; Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Milena Radenković
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia
| | - Christian K Marx
- Department of Downstream Processing, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany
| | - Stevo Najman
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Đinđića 81, 18000, Niš, Serbia; Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Markus Pietzsch
- Department of Downstream Processing, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany
| | - João F Mano
- CICECO-Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Thomas Groth
- Department of Biomedical Materials, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Heinrich-Damerow-Strasse 4, 06120 Halle (Saale), Germany; Interdisciplinary Center of Material Research, Martin Luther University Halle-Wittenberg, Germany.
| |
Collapse
|
17
|
Bielenstein J, Radenković M, Najman S, Liu L, Ren Y, Cai B, Beuer F, Rimashevskiy D, Schnettler R, Alkildani S, Jung O, Schmidt F, Barbeck M. In Vivo Analysis of the Regeneration Capacity and Immune Response to Xenogeneic and Synthetic Bone Substitute Materials. Int J Mol Sci 2022; 23:ijms231810636. [PMID: 36142541 PMCID: PMC9506561 DOI: 10.3390/ijms231810636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/05/2022] [Accepted: 09/09/2022] [Indexed: 11/28/2022] Open
Abstract
Although various studies have investigated differences in the tissue reaction pattern to synthetic and xenogeneic bone substitute materials (BSMs), a lack of knowledge exists regarding the classification of both materials based on the DIN ISO 10993-6 scoring system, as well as the histomorphometrical measurement of macrophage subtypes within their implantation beds. Thus, the present study was conducted to analyze in vivo responses to both xenogeneic and synthetic bone substitute granules. A standardized calvaria implantation model in Wistar rats, in combination with established scoring, histological, histopathological, and histomorphometrical methods, was conducted to analyze the influence of both biomaterials on bone regeneration and the immune response. The results showed that the application of the synthetic BSM maxresorb® induced a higher pro-inflammatory tissue response, while the xenogeneic BSM cerabone® induced a higher anti-inflammatory reaction. Additionally, comparable bone regeneration amounts were found in both study groups. Histopathological scoring revealed that the synthetic BSM exhibited non-irritant scores at all timepoints using the xenogeneic BSM as control. Overall, the results demonstrated the biocompatibility of synthetic BSM maxresorb® and support the conclusion that this material class is a suitable alternative to natural BSM, such as the analyzed xenogeneic material cerabone®, for a broad range of indications.
Collapse
Affiliation(s)
- James Bielenstein
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Milena Radenković
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Stevo Najman
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Luo Liu
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100013, China
| | - Yanru Ren
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Baoyi Cai
- Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197 Berlin, Germany
| | - Florian Beuer
- Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197 Berlin, Germany
| | - Denis Rimashevskiy
- Department of Traumatology and Orthopedics, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
| | - Reinhard Schnettler
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany
| | | | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Franziska Schmidt
- Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 14197 Berlin, Germany
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
- BerlinAnalytix GmbH, 12109 Berlin, Germany
- Correspondence: ; Tel.: +49-176-81022467
| |
Collapse
|
18
|
Khandelwal G, Dahiya R. Self-Powered Active Sensing Based on Triboelectric Generators. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200724. [PMID: 35445458 DOI: 10.1002/adma.202200724] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/12/2022] [Indexed: 06/14/2023]
Abstract
The demand for portable and wearable chemical or biosensors and their expeditious development in recent years has created a scientific challenge in terms of their continuous powering. As a result, mechanical energy harvesters such as piezoelectric and triboelectric generators (TEGs) have been explored recently either as sensors or harvesters to store charge in small, but long-life, energy-storage devices to power the sensors. The use of energy harvesters as sensors is particularly interesting, as with such multifunctional operations it is possible to reduce the number devices needed in a system, which also helps overcome the integration complexities. In this regard, TEGs are promising, particularly for energy autonomous chemical and biological sensors, as they can be developed with a wide variety of materials, and their mechanical energy to electricity conversion can be modulated by various analytes. This review focuses on this interesting dimension of TEGs and presents various self-powered active chemical and biological sensors. A brief discussion about the development of TEG-based physical, magnetic, and optical sensors is also included. The influence of environmental factors, various figures of merit, and the significance of TEG design are explained in context with the active sensing. Finally, the key applications, challenges, and future perspective of chemical and biological detection via TEGs are discussed with a view to drive further advances in the field of self-powered sensors.
Collapse
Affiliation(s)
- Gaurav Khandelwal
- Bendable Electronics and Sensing Technologies (BEST) Group, James Watt South Building, School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Ravinder Dahiya
- Bendable Electronics and Sensing Technologies (BEST) Group, James Watt South Building, School of Engineering, University of Glasgow, Glasgow, G12 8QQ, UK
| |
Collapse
|
19
|
Coraça-Huber DC, Steixner SJM, Najman S, Stojanovic S, Finze R, Rimashevskiy D, Saginova D, Barbeck M, Schnettler R. Lyophilized Human Bone Allograft as an Antibiotic Carrier: An In Vitro and In Vivo Study. Antibiotics (Basel) 2022; 11:antibiotics11070969. [PMID: 35884224 PMCID: PMC9312243 DOI: 10.3390/antibiotics11070969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/04/2022] [Accepted: 07/13/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Antibiotics delivered from implanted bone substitute materials (BSM) can potentially be used to prevent acute infections and biofilm formation, providing high concentrations of antibiotics at the surgical site without systemic toxicity. In addition, BSM should allow osteoconductivity supporting bone healing without further surgery. Promising results have been achieved using lyophilized bone allografts mixed with antibiotics. Methods: In this study specially prepared human bone allografts were evaluated as an antibiotic carrier in vitro and in vivo. The efficacy of different antibiotic-impregnated bone allografts was measured by drug release tests in vitro and in vivo and bacterial susceptibility tests using four bacterial species usually responsible for implant-associated infections. Results: The loading procedures of allograft bone substitutes with antibiotics were successful. Some of the antibiotic concentrations exceeded the MIC90 for up to 7 days in vitro and for up to 72 h in vivo. The susceptibility tests showed that S. epidermidis ATCC 12228 was the most susceptible bacterial species in comparison to the other strains tested for all antibiotic substances. Vancomycin and rifampicin showed the best results against standard and patient-isolated strains in vitro. In vivo, new bone formation was comparable in all study groups including the control group without antibiotic loading. Conclusions: Human bone allografts showed the capacity to act as customized loaded antibiotic carriers to prevent acute infections and should be considered in the management of bone infections in combination with systemic antimicrobial therapy.
Collapse
Affiliation(s)
- Débora C. Coraça-Huber
- Research Laboratory for Biofilms and Implant Associated Infections (BIOFILM LAB), Experimental Orthopaedics, University Hospital for Orthopaedics and Traumatology, Medical University of Innsbruck, Peter-Mayr-Strasse 4b, Room 204, 6020 Innsbruck, Austria;
- Correspondence: ; Tel.: +43-512-9003-71697; Fax: +43-512-9003-73691
| | - Stephan J. M. Steixner
- Research Laboratory for Biofilms and Implant Associated Infections (BIOFILM LAB), Experimental Orthopaedics, University Hospital for Orthopaedics and Traumatology, Medical University of Innsbruck, Peter-Mayr-Strasse 4b, Room 204, 6020 Innsbruck, Austria;
| | - Stevo Najman
- Department of Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia; (S.N.); (S.S.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia
| | - Sanja Stojanovic
- Department of Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia; (S.N.); (S.S.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia
| | - Ronja Finze
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany; (R.F.); (R.S.)
| | - Denis Rimashevskiy
- Department of Traumatology and Orthopedics, Peoples Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia;
| | - Dina Saginova
- National Scientific Center of Traumatology and Orthopedics Named after Academician N. D. Batpenov, 15a Abylay khan Ave., Nur-Sultan 01000, Kazakhstan;
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany;
- BerlinAnalytix GmbH, 12109 Berlin, Germany
| | - Reinhard Schnettler
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany; (R.F.); (R.S.)
| |
Collapse
|
20
|
Effect of Different Membranes on Vertical Bone Regeneration: A Systematic Review and Network Meta-Analysis. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7742687. [PMID: 35872861 PMCID: PMC9303140 DOI: 10.1155/2022/7742687] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/17/2022] [Accepted: 06/27/2022] [Indexed: 11/17/2022]
Abstract
This study is aimed at performing a systematic review and a network meta-analysis of the effects of several membranes on vertical bone regeneration and clinical complications in guided bone regeneration (GBR) or guided tissue regeneration (GTR). We compared the effects of the following membranes: high-density polytetrafluoroethylene (d-PTFE), expanded polytetrafluoroethylene (e-PTFE), crosslinked collagen membrane (CCM), noncrosslinked collagen membrane (CM), titanium mesh (TM), titanium mesh plus noncrosslinked (TM + CM), titanium mesh plus crosslinked (TM + CCM), titanium-reinforced d-PTFE, titanium-reinforced e-PTFE, polylactic acid (PLA), polyethylene glycol (PEG), and polylactic acid 910 (PLA910). Using the PICOS principles to help determine inclusion criteria, articles are collected using PubMed, Web of Science, and other databases. Assess the risk of deviation and the quality of evidence using the Cochrane Evaluation Manual, and GRADE. 27 articles were finally included. 19 articles were included in a network meta-analysis with vertical bone increment as an outcome measure. The network meta-analysis includes network diagrams, paired-comparison forest diagrams, funnel diagrams, surface under the cumulative ranking curve (SUCRA) diagrams, and sensitivity analysis diagrams. SUCRA indicated that titanium-reinforced d-PTFE exhibited the highest vertical bone increment effect. Meanwhile, we analyzed the complications of 19 studies and found that soft tissue injury and membrane exposure were the most common complications.
Collapse
|
21
|
Yang Z, Wu C, Shi H, Luo X, Sun H, Wang Q, Zhang D. Advances in Barrier Membranes for Guided Bone Regeneration Techniques. Front Bioeng Biotechnol 2022; 10:921576. [PMID: 35814003 PMCID: PMC9257033 DOI: 10.3389/fbioe.2022.921576] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Guided bone regeneration (GBR) is a widely used technique for alveolar bone augmentation. Among all the principal elements, barrier membrane is recognized as the key to the success of GBR. Ideal barrier membrane should have satisfactory biological and mechanical properties. According to their composition, barrier membranes can be divided into polymer membranes and non-polymer membranes. Polymer barrier membranes have become a research hotspot not only because they can control the physical and chemical characteristics of the membranes by regulating the synthesis conditions but also because their prices are relatively low. Still now the bone augment effect of barrier membrane used in clinical practice is more dependent on the body’s own growth potential and the osteogenic effect is difficult to predict. Therefore, scholars have carried out many researches to explore new barrier membranes in order to improve the success rate of bone enhancement. The aim of this study is to collect and compare recent studies on optimizing barrier membranes. The characteristics and research progress of different types of barrier membranes were also discussed in detail.
Collapse
Affiliation(s)
- Ze Yang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Chang Wu
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Huixin Shi
- Department of Plastic Surgery, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xinyu Luo
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Hui Sun
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
| | - Qiang Wang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
- *Correspondence: Qiang Wang, ; Dan Zhang,
| | - Dan Zhang
- Liaoning Provincial Key Laboratory of Oral Diseases, School and Hospital of Stomatology, China Medical University, Shenyang, China
- *Correspondence: Qiang Wang, ; Dan Zhang,
| |
Collapse
|
22
|
Molnár B, Jung AK, Papp Z, Martin A, Orbán K, Pröhl A, Jung O, Barbeck M, Windisch P. Comparative analysis of lateral maxillary sinus augmentation with a xenogeneic bone substitute material in combination with piezosurgical preparation and bony wall repositioning or rotary instrumentation and membrane coverage: a prospective randomized clinical and histological study. Clin Oral Investig 2022; 26:5261-5272. [PMID: 35593928 PMCID: PMC9381628 DOI: 10.1007/s00784-022-04494-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/13/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVES The present randomized controlled clinical study aimed to investigate if, in lateral maxillary sinus augmentation, the repositioned bony wall or the application of a collagen membrane results in more preferable new hard tissue formation. MATERIALS AND METHODS Forty patients were divided into two study groups. Both groups received a xenogeneic bone substitute material (BSM) during lateral sinus augmentation. In the bony wall group (BW), following piezosurgery, the retrieved bony wall was repositioned. In the collagen membrane group (CM), following rotary instrument preparation, collagen membrane coverage was applied. After 6 months, biopsies were taken to histologically analyze the percentage of BSM, connective tissue (CT), and newly formed bone (NFB) following both approaches. RESULTS Forty implants were placed and 29 harvested biopsies could be evaluated. Duration of surgery, membrane perforations, and VAS were detected. Histomorphometrical analysis revealed comparable amounts of all analyzed parameters in both groups in descending order: CT (BW: 39.2 ± 9%, CM: 37,9 ± 8.5%) > BSM (BW: 32.9 ± 6.3%, CM: 31.8 ± 8.8%) > NB (BW: 27.8 ± 11.2%, CM: 30.3 ± 4.5%). CONCLUSIONS The results of the present study show that the closure of the access window by means of the retrieved bony wall or a native collagen membrane led to comparable bone augmentation results. CLINICAL TRIAL clinicaltrials.gov NCT04811768. CLINICAL RELEVANCE Lateral maxillary sinus augmentation with the application of a xenogeneic BSM in combination with a native collagen membrane for bony window coverage represents a reliable method for surgical reconstruction of the posterior maxilla. Piezosurgery with bony window repositioning delivers comparable outcomes without membrane coverage.
Collapse
Affiliation(s)
- Bálint Molnár
- Department of Periodontology, Semmelweis University Budapest, Szentkiralyi u. 47, 1088, Budapest, Hungary.
| | - Anne-Kathrin Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Zsuzsanna Papp
- Department of Periodontology, Semmelweis University Budapest, Szentkiralyi u. 47, 1088, Budapest, Hungary
| | - Anna Martin
- Department of Periodontology, Semmelweis University Budapest, Szentkiralyi u. 47, 1088, Budapest, Hungary
| | - Kristóf Orbán
- Department of Periodontology, Semmelweis University Budapest, Szentkiralyi u. 47, 1088, Budapest, Hungary
| | | | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | | | - Péter Windisch
- Department of Periodontology, Semmelweis University Budapest, Szentkiralyi u. 47, 1088, Budapest, Hungary
| |
Collapse
|
23
|
Permeability of P. gingivalis or its metabolic products through collagen and dPTFE membranes and their effects on the viability of osteoblast-like cells: an in vitro study. Odontology 2022; 110:710-718. [PMID: 35355145 DOI: 10.1007/s10266-022-00705-9] [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: 08/23/2021] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
Abstract
Membrane exposure is a widely reported and relatively common complication in Guided Bone Regeneration (GBR) procedures. The introduction of micro-porous dPTFE barriers, which are impervious to bacterial cells, could reduce the technique sensitivity to membrane exposure, even if there are no studies investigating the potential passage of bacterial metabolites through the barrier. Aim of this study was the in vitro evaluation of the permeability of three different GBR membranes (dPTFE, native and cross-linked collagen membranes) to Porphyromonas gingivalis; in those cases, where bacterial penetration could not be observed, another purpose was the analysis of the viability and differentiation capability of an osteosarcoma (U2OS) cell line in presence of bacteria eluate obtained through membrane percolation. A system leading to the percolation of P. gingivalis broth culture through the experimental membranes was arranged to assess the permeability to bacteria after 24 and 72 h of incubation. The obtained solution was then added to U2OS cell cultures which underwent, after 10 days of incubation, MTT and red alizarin essays. The dPTFE membrane showed resistance to bacterial penetration, while both types of collagen membranes were crossed by P. gingivalis after 24 h. The bacteria eluate filtered through dPTFE membrane didn't show any toxicity on U2OS cells. Results of this study demonstrate that dPTFE membranes can contrast the penetration of both P. gingivalis and its metabolites toxic for osteoblast-like cells. The toxicity analysis was not possible for the collagen membranes, since permeability to bacterial cells was observed within the first period of incubation.
Collapse
|
24
|
Fraser D, Caton J, Benoit DSW. Periodontal Wound Healing and Regeneration: Insights for Engineering New Therapeutic Approaches. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.815810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Periodontitis is a widespread inflammatory disease that leads to loss of the tooth supporting periodontal tissues. The few therapies available to regenerate periodontal tissues have high costs and inherent limitations, inspiring the development of new approaches. Studies have shown that periodontal tissues have an inherent capacity for regeneration, driven by multipotent cells residing in the periodontal ligament (PDL). The purpose of this review is to describe the current understanding of the mechanisms driving periodontal wound healing and regeneration that can inform the development of new treatment approaches. The biologic basis underlying established therapies such as guided tissue regeneration (GTR) and growth factor delivery are reviewed, along with examples of biomaterials that have been engineered to improve the effectiveness of these approaches. Emerging therapies such as those targeting Wnt signaling, periodontal cell delivery or recruitment, and tissue engineered scaffolds are described in the context of periodontal wound healing, using key in vivo studies to illustrate the impact these approaches can have on the formation of new cementum, alveolar bone, and PDL. Finally, design principles for engineering new therapies are suggested which build on current knowledge of periodontal wound healing and regeneration.
Collapse
|
25
|
Chagas ADLD, de Oliveira LP, Cruz MV, de Melo RM, Miguel MP, Fernandes KF, de Menezes LB. Polysaccharide-Based Membrane Biocompatibility Study of Anacardium occidentale L. and Polyvinyl Alcohol after Subcutaneous Implant in Rats. MATERIALS 2022; 15:ma15041296. [PMID: 35207837 PMCID: PMC8878544 DOI: 10.3390/ma15041296] [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: 12/06/2021] [Revised: 01/29/2022] [Accepted: 01/31/2022] [Indexed: 02/05/2023]
Abstract
Polymeric membranes are a viable and sustainable option for the biotechnology industry from an economic and environmental point of view. In this study, we evaluated tissue response and tolerance to the implantation of a polymeric membrane prepared with cashew gum polysaccharide (CGP) associated with polyvinyl alcohol (PVA). The objective was to characterize the biocompatibility of the CGP/PVA membrane in vivo. Following the evaluation criteria of the ISO 10993-6 standard, we demonstrated that the CGP/PVA membrane showed moderate tissue reaction, with a non-irritating ISO pattern, a thinner fibrous capsule, and a smaller amount of collagen compared to the positive control group. At 30 and 60 days, the membrane presented a similar amount of mast cells to that observed in the negative control group. The data demonstrate that the CGP/PVA membrane presents biocompatibility in accordance with the ISO 10993-6 standard.
Collapse
Affiliation(s)
- Angelica de Lima das Chagas
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia 74605-050, GO, Brazil;
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Leiny Paula de Oliveira
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Mauricio Vicente Cruz
- Departamento de Áreas Acadêmicas II, Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Campus Goiânia, Goiania 74055-120, GO, Brazil;
| | - Renato Miranda de Melo
- Departamento de Cirurgia, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia 74605-050, GO, Brazil;
| | - Marina Pacheco Miguel
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Katia Flavia Fernandes
- Laboratório de Química de Polímeros, Instituto de Ciências Biológicas, ICB2, Campus Samambaia, Universidade Federal de Goiás, Goiania 74690-900, GO, Brazil;
| | - Liliana Borges de Menezes
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
- Setor de Patologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Rua 235, s/n, Setor Universitário, Goiânia 74605-050, GO, Brazil
- Correspondence: ; Tel.:+55-62-3209-6110
| |
Collapse
|
26
|
Chen Y, Zhou X, Huang S, Lan Y, Yan R, Shi X, Li X, Zhang Y, Lei Z, Fan D. Effect of Microgroove Structure in PDMS-Based Silicone Implants on Biocompatibility. Front Bioeng Biotechnol 2022; 9:793778. [PMID: 35127669 PMCID: PMC8812998 DOI: 10.3389/fbioe.2021.793778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022] Open
Abstract
Capsule and capsule contracture around implants are important concerns in a clinic. The physical topology of the material surface regulates the formation of the capsule, but the specific regulatory mechanism is unclear. In this study, four types of silicone implant materials with different microgroove structures (groove depths of 10 and 50 μm and widths of 50 and 200 μm) were constructed using lithography to form different gradient surface topologies. Mass spectrometry, Cell Counting Kit-8, 5-ethynyl-2′-deoxycytidine (EdU), enzyme-linked immunosorbent assay, western blot, immunofluorescence, and immunohistochemistry were used to explore the changes in protein adsorption, cell adhesion, cell proliferation, and collagen deposition on the surface of the materials. At the same time, RNA-seq was used to detect transcriptome differences caused by different structures. Furthermore, collagen deposition and capsule formation were observed in the rats. The groove structure was observed to significantly increase the surface roughness of the material. The deeper groove and the narrower width of the polydimethylsiloxane would increase the surface roughness of the material and the surface water contact angle but reduce the total amount of adsorbed protein in the first two hours. In vitro cell experiments revealed that microtopology affected cell proliferation and adhesion and regulated collagen secretion. Further analysis indicated the deeper and narrower groove (group 50–50) on the surface of the material caused more evident collagen deposition around the material, forming a thicker envelope. Surface roughness of the material was thus related to collagen deposition and envelope thickness. The thickness of the envelope tissue around smooth materials does not exceed that of the materials with surface roughness. In conclusion, the narrower and deeper grooves in the micron range exhibited poor histocompatibility and led to formation of thicker envelopes around the materials. The appropriate grooves can reduce envelope thickness.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | | | - Zeyuan Lei
- *Correspondence: Dongli Fan, ; Zeyuan Lei,
| | - Dongli Fan
- *Correspondence: Dongli Fan, ; Zeyuan Lei,
| |
Collapse
|
27
|
Azhar I, Ayulita D, Laksono H, Margaretha T. The efficiency of PRF, PTFE, and titanium mesh with collagen membranes for vertical alveolar bone addition in dental implant therapy: A narrative review. J Int Oral Health 2022. [DOI: 10.4103/jioh.jioh_7_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
|
28
|
Souza FFPD, Pérez-Guerrero JA, Gomes MJP, Cavalcante FL, Souza Filho MDSMD, Castro-Silva II. Development and characterization of poultry collagen-based hybrid hydrogels for bone regeneration. Acta Cir Bras 2022; 37:e370302. [PMID: 35584534 PMCID: PMC9109989 DOI: 10.1590/acb370302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 02/06/2022] [Indexed: 01/12/2023] Open
Abstract
Purpose: Poultry by-products can contribute as an innovative natural source for the
development of composites based on polymers and minerals aiming at bone
regeneration. The objective of this study was the physicochemical and
biological characterization of collagen-based hydrogels crosslinked with
ultraviolet (UV)-riboflavin. Methods: Pure hydrogels of 100% collagen (G1) or hybrid hydrogels, 90% collagen:10%
apatite (G2), 90% collagen:10% nanokeratin (G3), and 90% collagen:5%
apatite:5% nanokeratin (G4) were characterized by scanning electron
microscope, Fourier-transform infrared spectroscopy, differential scanning
calorimetry, swelling degree and quali-quantitative histological analysis.
Ectopic implantation in subcutaneous tissue in mice at one, three and nine
weeks allowed to assess the inflammation (neutrophils, lymphocytes,
macrophages, and giant cells) and repair (neovascularization, and connective
tissue) to determine biocompatibility and the integrity of biomaterials to
score their biodegradability. Histomorphometry on critical size defects in
rat calvaria at one and three months evaluated the percentage of bone,
connective tissue, and biomaterials in all groups. Results: The hydrogels presented porous microstructure, water absorption and
physicochemical characteristics compatible with their polymeric and/or
mineral composition. All materials exhibited biocompatibility,
biodegradability, and low osteoconductivity. G2 showed greater density of
new bone and biomaterial than the G1, G3 and G4. Conclusions: The collagen-apatite group formulation suggests potential for development as
osteopromoting membrane.
Collapse
|
29
|
Jung O, Hesse B, Stojanovic S, Seim C, Weitkamp T, Batinic M, Goerke O, Kačarević ŽP, Rider P, Najman S, Barbeck M. Biocompatibility Analyses of HF-Passivated Magnesium Screws for Guided Bone Regeneration (GBR). Int J Mol Sci 2021; 22:ijms222212567. [PMID: 34830451 PMCID: PMC8624161 DOI: 10.3390/ijms222212567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Magnesium (Mg) is one of the most promising materials for human use in surgery due to material characteristics such as its elastic modulus as well as its resorbable and regenerative properties. In this study, HF-coated and uncoated novel bioresorbable magnesium fixation screws for maxillofacial and dental surgical applications were investigated in vitro and in vivo to evaluate the biocompatibility of the HF coating. Methods: Mg alloy screws that had either undergone a surface treatment with hydrofluoric-acid (HF) or left untreated were investigated. In vitro investigation included XTT, BrdU and LDH in accordance with the DIN ISO 10993-5/-12. In vivo, the screws were implanted into the tibia of rabbits. After 3 and 6 weeks, degradation, local tissue reactions and bony integration were analyzed histopathologically and histomorphometrically. Additionally, SEM/EDX analysis and synchrotron phase-contrast microtomography (µCT) measurements were conducted. The in vitro analyses revealed that the Mg screws are cytocompatible, with improved results when the surface had been passivated with HF. In vivo, the HF-treated Mg screws implanted showed a reduction in gas formation, slower biodegradation and a better bony integration in comparison to the untreated Mg screws. Histopathologically, the HF-passivated screws induced a layer of macrophages as part of its biodegradation process, whereas the untreated screws caused a slight fibrous tissue reaction. SEM/EDX analysis showed that both screws formed a similar layer of calcium phosphates on their surfaces and were surrounded by bone. Furthermore, the µCT revealed the presence of a metallic core of the screws, a faster absorbing corrosion front and a slow absorbing region of corroded magnesium. Conclusions: Overall, the HF-passivated Mg fixation screws showed significantly better biocompatibility in vitro and in vivo compared to the untreated screws.
Collapse
Affiliation(s)
- Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany;
| | | | - Sanja Stojanovic
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18108 Niš, Serbia; (S.S.); (S.N.)
- Scientific Research Center for Biomedicine, Faculty of Medicine, Department for Cell and Tissue Engineering, University of Niš, 18108 Niš, Serbia
| | | | - Timm Weitkamp
- Synchrotron SOLEIL, Gif-sur-Yvette, 91190 Saint-Aubin, France;
| | - Milijana Batinic
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University of Berlin, 10623 Berlin, Germany; (M.B.); (O.G.)
- Department of Anatomy Histology, Embryology, Pathology Anatomy and Pathology Histology, Faculty of Dental Medicine and Health, University of Osijek, 31000 Osijek, Croatia;
| | - Oliver Goerke
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University of Berlin, 10623 Berlin, Germany; (M.B.); (O.G.)
| | - Željka Perić Kačarević
- Department of Anatomy Histology, Embryology, Pathology Anatomy and Pathology Histology, Faculty of Dental Medicine and Health, University of Osijek, 31000 Osijek, Croatia;
| | - Patrick Rider
- Department of Anatomy Histology, Embryology, Pathology Anatomy and Pathology Histology, Faculty of Dental Medicine and Health, University of Osijek, 31000 Osijek, Croatia;
| | - Stevo Najman
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18108 Niš, Serbia; (S.S.); (S.N.)
- Scientific Research Center for Biomedicine, Faculty of Medicine, Department for Cell and Tissue Engineering, University of Niš, 18108 Niš, Serbia
| | - Mike Barbeck
- Department of Anatomy Histology, Embryology, Pathology Anatomy and Pathology Histology, Faculty of Dental Medicine and Health, University of Osijek, 31000 Osijek, Croatia;
- Correspondence: ; Tel.: +49-176-810-224-6
| |
Collapse
|
30
|
Andrés Sastre E, Nossin Y, Jansen I, Kops N, Intini C, Witte-Bouma J, van Rietbergen B, Hofmann S, Ridwan Y, Gleeson JP, O'Brien FJ, Wolvius EB, van Osch GJVM, Farrell E. A new semi-orthotopic bone defect model for cell and biomaterial testing in regenerative medicine. Biomaterials 2021; 279:121187. [PMID: 34678648 DOI: 10.1016/j.biomaterials.2021.121187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/08/2021] [Accepted: 10/14/2021] [Indexed: 02/07/2023]
Abstract
In recent decades, an increasing number of tissue engineered bone grafts have been developed. However, expensive and laborious screenings in vivo are necessary to assess the safety and efficacy of their formulations. Rodents are the first choice for initial in vivo screens but their size limits the dimensions and number of the bone grafts that can be tested in orthotopic locations. Here, we report the development of a refined murine subcutaneous model for semi-orthotopic bone formation that allows the testing of up to four grafts per mouse one order of magnitude greater in volume than currently possible in mice. Crucially, these defects are also "critical size" and unable to heal within the timeframe of the study without intervention. The model is based on four bovine bone implants, ring-shaped, where the bone healing potential of distinct grafts can be evaluated in vivo. In this study we demonstrate that promotion and prevention of ossification can be assessed in our model. For this, we used a semi-automatic algorithm for longitudinal micro-CT image registration followed by histological analyses. Taken together, our data supports that this model is suitable as a platform for the real-time screening of bone formation, and provides the possibility to study bone resorption, osseointegration and vascularisation.
Collapse
Affiliation(s)
- E Andrés Sastre
- Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Y Nossin
- Department of Otorhinolaryngology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - I Jansen
- Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands; Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - N Kops
- Department of Orthopaedics and Sports Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - C Intini
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - J Witte-Bouma
- Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - B van Rietbergen
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Department of Orthopaedic Surgery, Research School CAPHRI, Maastricht University Medical Center, Maastricht, the Netherlands
| | - S Hofmann
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands; Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Y Ridwan
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - J P Gleeson
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - F J O'Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; SFI Advanced Materials and Bioengineering Research (AMBER) Center, Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland; Trinity Center for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - E B Wolvius
- Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - G J V M van Osch
- Department of Otorhinolaryngology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Orthopaedics and Sports Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, the Netherlands
| | - E Farrell
- Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Rotterdam, the Netherlands.
| |
Collapse
|
31
|
Texturized P(VDF-TrFE)/BT membrane enhances bone neoformation in calvaria defects regardless of the association with photobiomodulation therapy in ovariectomized rats. Clin Oral Investig 2021; 26:1053-1065. [PMID: 34370100 DOI: 10.1007/s00784-021-04089-y] [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: 05/01/2021] [Accepted: 07/17/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The purpose of this investigation was to evaluate in vivo the response of bone tissue to photobiomodulation when associated with texturized P(VDF-TrFE)/BT in calvaria defects of ovariectomized rats. MATERIALS AND METHODS Wistar Hannover rats were submitted to ovariectomy/control surgery. Calvaria bone defects of 5-mm diameter were performed after 90 days of ovariectomy. The animals were divided into OVX (without laser (L) and membrane), OVX + P(VDF-TrFE)/BT, OVX + P(VDF-TrFE)/BT + L, and OVX + PTFE + L. It was utilized a low-intensity gallium-aluminum-arsenide laser (GaAlAs) with 780-nm wavelength and 30-J/cm2 energy density in 12 sessions (120 s). Thirty days after the bone defect the animals were euthanized for histological, microtomographic, and molecular evaluation. Quantitative analysis was analyzed by statistical software for p < 0.05. RESULTS Histological parameters showed bone tissue formation at the borders of all group defects. The association of photobiomodulation and texturized P(VDF-TrFE)/BT was not synergistic and did not show significant changes in morphometric analysis and biomarkers gene expression. Nevertheless, texturized P(VDF-TrFE)/BT membrane enhanced bone repair regardless of the association with photobiomodulation therapy, with an increase of connectivity density when compared to the OVX + PTFE + L group. The association of photobiomodulation therapy and PTFE was synergistic, increasing the expression of Runx2, Alp, Bsp, Bglap, Sp7, and Rankl, even though not enough to reflect significance in the morphometric parameters. CONCLUSIONS The utilization of texturized P (VDF-TrFE)/BT, regardless of the association with photobiomodulation therapy, enhanced bone repair in an experimental model of osteoporosis.
Collapse
|
32
|
Stöwe I, Pissarek J, Moosmann P, Pröhl A, Pantermehl S, Bielenstein J, Radenkovic M, Jung O, Najman S, Alkildani S, Barbeck M. Ex Vivo and In Vivo Analysis of a Novel Porcine Aortic Patch for Vascular Reconstruction. Int J Mol Sci 2021; 22:7623. [PMID: 34299243 PMCID: PMC8303394 DOI: 10.3390/ijms22147623] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/25/2021] [Accepted: 07/13/2021] [Indexed: 01/12/2023] Open
Abstract
(1) Background: The aim of the present study was the biocompatibility analysis of a novel xenogeneic vascular graft material (PAP) based on native collagen won from porcine aorta using the subcutaneous implantation model up to 120 days post implantationem. As a control, an already commercially available collagen-based vessel graft (XenoSure®) based on bovine pericardium was used. Another focus was to analyze the (ultra-) structure and the purification effort. (2) Methods: Established methodologies such as the histological material analysis and the conduct of the subcutaneous implantation model in Wistar rats were applied. Moreover, established methods combining histological, immunohistochemical, and histomorphometrical procedures were applied to analyze the tissue reactions to the vessel graft materials, including the induction of pro- and anti-inflammatory macrophages to test the immune response. (3) Results: The results showed that the PAP implants induced a special cellular infiltration and host tissue integration based on its three different parts based on the different layers of the donor tissue. Thereby, these material parts induced a vascularization pattern that branches to all parts of the graft and altogether a balanced immune tissue reaction in contrast to the control material. (4) Conclusions: PAP implants seemed to be advantageous in many aspects: (i) cellular infiltration and host tissue integration, (ii) vascularization pattern that branches to all parts of the graft, and (iii) balanced immune tissue reaction that can result in less scar tissue and enhanced integrative healing patterns. Moreover, the unique trans-implant vascularization can provide unprecedented anti-infection properties that can avoid material-related bacterial infections.
Collapse
Affiliation(s)
- Ignacio Stöwe
- Helios Clinic Emil-von-Behring, Department of Vascular and Endovascular Surgery, 14165 Berlin, Germany;
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany; (S.P.); (J.B.); (O.J.)
| | - Jens Pissarek
- biotrics bioimplants AG, 12109 Berlin, Germany; (J.P.); (P.M.)
| | - Pia Moosmann
- biotrics bioimplants AG, 12109 Berlin, Germany; (J.P.); (P.M.)
| | - Annica Pröhl
- BerlinAnalytix GmbH, 12109 Berlin, Germany; (A.P.); (S.A.)
| | - Sven Pantermehl
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany; (S.P.); (J.B.); (O.J.)
| | - James Bielenstein
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany; (S.P.); (J.B.); (O.J.)
| | - Milena Radenkovic
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (M.R.); (S.N.)
| | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany; (S.P.); (J.B.); (O.J.)
| | - Stevo Najman
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (M.R.); (S.N.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Said Alkildani
- BerlinAnalytix GmbH, 12109 Berlin, Germany; (A.P.); (S.A.)
| | - Mike Barbeck
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, 10623 Berlin, Germany
| |
Collapse
|
33
|
Sevari SP, Ansari S, Moshaverinia A. A narrative overview of utilizing biomaterials to recapitulate the salient regenerative features of dental-derived mesenchymal stem cells. Int J Oral Sci 2021; 13:22. [PMID: 34193832 PMCID: PMC8245503 DOI: 10.1038/s41368-021-00126-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 05/26/2021] [Accepted: 06/03/2021] [Indexed: 02/06/2023] Open
Abstract
Tissue engineering approaches have emerged recently to circumvent many limitations associated with current clinical practices. This elegant approach utilizes a natural/synthetic biomaterial with optimized physiomechanical properties to serve as a vehicle for delivery of exogenous stem cells and bioactive factors or induce local recruitment of endogenous cells for in situ tissue regeneration. Inspired by the natural microenvironment, biomaterials could act as a biomimetic three-dimensional (3D) structure to help the cells establish their natural interactions. Such a strategy should not only employ a biocompatible biomaterial to induce new tissue formation but also benefit from an easily accessible and abundant source of stem cells with potent tissue regenerative potential. The human teeth and oral cavity harbor various populations of mesenchymal stem cells (MSCs) with self-renewing and multilineage differentiation capabilities. In the current review article, we seek to highlight recent progress and future opportunities in dental MSC-mediated therapeutic strategies for tissue regeneration using two possible approaches, cell transplantation and cell homing. Altogether, this paper develops a general picture of current innovative strategies to employ dental-derived MSCs combined with biomaterials and bioactive factors for regenerating the lost or defective tissues and offers information regarding the available scientific data and possible applications.
Collapse
Affiliation(s)
- Sevda Pouraghaei Sevari
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - Sahar Ansari
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - Alireza Moshaverinia
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA, USA.
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA, USA.
| |
Collapse
|
34
|
Sasaki JI, Abe GL, Li A, Thongthai P, Tsuboi R, Kohno T, Imazato S. Barrier membranes for tissue regeneration in dentistry. Biomater Investig Dent 2021; 8:54-63. [PMID: 34104896 PMCID: PMC8158285 DOI: 10.1080/26415275.2021.1925556] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/29/2021] [Indexed: 12/14/2022] Open
Abstract
Background: In dentistry, barrier membranes are used for guided tissue regeneration (GTR) and guided bone regeneration (GBR). Various membranes are commercially available and extensive research and development of novel membranes have been conducted. In general, membranes are required to provide barrier function, biosafety, biocompatibility and appropriate mechanical properties. In addition, membranes are expected to be bioactive to promote tissue regeneration. Objectives: This review aims to organize the fundamental characteristics of the barrier membranes that are available and studied for dentistry, based on their components. Results: The principal components of barrier membranes are divided into nonbiodegradable and biodegradable materials. Nonbiodegradable membranes are manufactured from synthetic polymers, metals or composites of these materials. The first reported barrier membrane was made from expanded polytetrafluoroethylene (e-PTFE). Titanium has also been applied for dental regenerative therapy and shows favorable barrier function. Biodegradable membranes are mainly made from natural and synthetic polymers. Collagens are popular materials that are processed for clinical use by cross-linking. Aliphatic polyesters and their copolymers have been relatively recently introduced into GTR and GBR treatments. In addition, to improve the tissue regenerative function and mechanical strength of biodegradable membranes, inorganic materials such as calcium phosphate and bioactive glass have been incorporated at the research stage. Conclusions: Currently, there are still insufficient guidelines for barrier membrane choice in GTR and GBR, therefore dentists are required to understand the characteristics of barrier membranes.
Collapse
Affiliation(s)
- Jun-Ichi Sasaki
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Gabriela L. Abe
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Aonan Li
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Pasiree Thongthai
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Ririko Tsuboi
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Tomoki Kohno
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Satoshi Imazato
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry, Suita, Japan
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry, Suita, Japan
| |
Collapse
|
35
|
Magnan L, Kawecki F, Labrunie G, Gluais M, Izotte J, Marais S, Foulc MP, Lafourcade M, L'Heureux N. In vivo remodeling of human cell-assembled extracellular matrix yarns. Biomaterials 2021; 273:120815. [PMID: 33894404 DOI: 10.1016/j.biomaterials.2021.120815] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/03/2021] [Accepted: 04/06/2021] [Indexed: 12/22/2022]
Abstract
Cell-assembled extracellular matrix (CAM) has been used to produce vascular grafts. While these completely biological vascular grafts performed well in clinical trials, the in vivo remodeling and inflammatory response of this truly "bio" material has not yet been investigated. In this study, human CAM yarns were implanted subcutaneously in nude rats to investigate the innate immune response to this matrix. The impact of processing steps relevant to yarn manufacturing was evaluated (devitalization, decellularization, gamma sterilization, and twisting). We observed that yarns were still present after six months, and were integrated into a non-inflamed loose connective tissue. The CAM was repopulated by fibroblastic cells and blood vessels. While other yarns caused minor peripheral inflammation at an early stage (two weeks of implantation), gamma sterilization triggered a more intense host response dominated by the presence of M1 macrophages. The inflammatory response was resolved at six months. Yarn mechanical strength was decreased two weeks after implantation except for the more compact "twisted" yarn. While the strength of other yarns was stable after initial remodeling, the gamma-sterilized yarn continued to lose mechanical strength over time and was weaker than devitalized (control) yarns at six months. This is the first study to formally demonstrate that devitalized human CAM is very long-lived in vivo and does not trigger a degradative response, but rather is very slowly remodeled. This data supports a strategy to produce human textiles from CAM yarn for regenerative medicine applications where a scaffold with low inflammation and long-term mechanical properties are critical.
Collapse
Affiliation(s)
- Laure Magnan
- Univ. Bordeaux, INSERM, BIOTIS, UMR1026, F-33000, Bordeaux, France
| | - Fabien Kawecki
- Univ. Bordeaux, INSERM, BIOTIS, UMR1026, F-33000, Bordeaux, France
| | - Gaëlle Labrunie
- Univ. Bordeaux, INSERM, BIOTIS, UMR1026, F-33000, Bordeaux, France
| | - Maude Gluais
- Univ. Bordeaux, INSERM, BIOTIS, UMR1026, F-33000, Bordeaux, France
| | - Julien Izotte
- Animal Facility A2, University of Bordeaux, F-33076, Bordeaux, France
| | - Sébastien Marais
- UMS 3420 CNRS, US4 INSERM, Bordeaux Imaging Center, University of Bordeaux, F-33000, Bordeaux, France
| | - Marie-Pierre Foulc
- Rescoll Société de Recherche, 8 Allée Geoffroy Saint-Hilaire, CS 30021, F-33615, Pessac, France
| | - Mickaël Lafourcade
- Rescoll Société de Recherche, 8 Allée Geoffroy Saint-Hilaire, CS 30021, F-33615, Pessac, France
| | | |
Collapse
|
36
|
Oberdiek F, Vargas CI, Rider P, Batinic M, Görke O, Radenković M, Najman S, Baena JM, Jung O, Barbeck M. Ex Vivo and In Vivo Analyses of Novel 3D-Printed Bone Substitute Scaffolds Incorporating Biphasic Calcium Phosphate Granules for Bone Regeneration. Int J Mol Sci 2021; 22:3588. [PMID: 33808303 PMCID: PMC8037651 DOI: 10.3390/ijms22073588] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
(1) Background: The aim of this study was examining the ex vivo and in vivo properties of a composite made from polycaprolactone (PCL) and biphasic calcium phosphate (BCP) (synprint, ScientiFY GmbH) fabricated via fused deposition modelling (FDM); (2) Methods: Scaffolds were tested ex vivo for their mechanical properties using porous and solid designs. Subcutaneous implantation model analyzed the biocompatibility of PCL + BCP and PCL scaffolds. Calvaria implantation model analyzed the osteoconductive properties of PCL and PCL + BCP scaffolds compared to BCP as control group. Established histological, histopathological and histomorphometrical methods were performed to evaluate new bone formation.; (3) Results Mechanical testing demonstrated no significant differences between PCL and PCL + BCP for both designs. Similar biocompatibility was observed subcutaneously for PCL and PCL + BCP scaffolds. In the calvaria model, new bone formation was observed for all groups with largest new bone formation in the BCP group, followed by the PCL + BCP group, and the PCL group. This finding was influenced by the initial volume of biomaterial implanted and remaining volume after 90 days. All materials showed osteoconductive properties and PCL + BCP tailored the tissue responses towards higher cellular biodegradability. Moreover, this material combination led to a reduced swelling in PCL + BCP; (4) Conclusions: Altogether, the results show that the newly developed composite is biocompatible and leads to successful osteoconductive bone regeneration. The new biomaterial combines the structural stability provided by PCL with bioactive characteristics of BCP-based BSM. 3D-printed BSM provides an integration behavior in accordance with the concept of guided bone regeneration (GBR) by directing new bone growth for proper function and restoration.
Collapse
Affiliation(s)
| | - Carlos Ivan Vargas
- Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, Calle José Gutierrez Abascal, 2, 28006 Madrid, Spain
- REGEMAT 3D, Avenida del conocimiento 41, A-111, 18016 Granada, Spain;
| | | | - Milijana Batinic
- Research Department, BerlinAnalytix GmbH, 12109 Berlin, Germany;
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, 10623 Berlin, Germany;
| | - Oliver Görke
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, 10623 Berlin, Germany;
| | - Milena Radenković
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (M.R.); (S.N.)
| | - Stevo Najman
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18000 Niš, Serbia; (M.R.); (S.N.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Jose Manuel Baena
- REGEMAT 3D, Avenida del conocimiento 41, A-111, 18016 Granada, Spain;
| | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany;
| | - Mike Barbeck
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, 10623 Berlin, Germany;
| |
Collapse
|
37
|
Cui Y, Lin Y, Meng X, Ma J, Deng H, Liu X, He X, Zhao J. Cyanidin-3-galactoside from Aronia melanocarpa ameliorates PM10 induced pulmonary injury by modulating M1/M2 macrophage polarization and NRF2/Sirt1 MAPK signaling. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104363] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
|
38
|
Brum IS, Elias CN, de Carvalho JJ, Pires JLS, Pereira MJS, de Biasi RS. Properties of a bovine collagen type I membrane for guided bone regeneration applications. E-POLYMERS 2021. [DOI: 10.1515/epoly-2021-0021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Abstract
Dental implant treatment requires an available bone volume in the implantation site to ensure the implant’s mechanical stability. When the bone volume is insufficient, one must resort to surgical means such as guided bone regeneration (GBR). In GBR surgery, bone grafts and membranes are used. The objective of this work is to manufacture and characterize the in vitro and in vivo properties of resorbable collagen type I membranes (Green Membrane®) for GBR. Membrane surface morphology was characterized by SEM and roughness was measured using an interferometric noncontact 3D system. In vivo skin sensitization and toxicity tests have been performed on Wistar rats. Bone defects were prepared in 24 adult male rats, filled with biomaterials (Blue Bone® and Bio Oss®) and covered with collagen membranes to maintain the mechanical stability of the site for bone regeneration. The incisions were closed with simple stitches; and 60 days after the surgery, the animals were euthanized. Results showed that the analyzed membrane was homogeneous, with collagen fiber webs and open pores. It had no sign of cytotoxicity and the cells at the insertion site showed no bone morphological changes. There was no tissue reaction and no statistical difference between Blue Bone® and Bio Oss® groups. The proposed membrane has no cytotoxicity and displays a biocompatibility profile that makes it suitable for GBR.
Collapse
Affiliation(s)
- Igor S. Brum
- Dentistry Department, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , RJ , Brazil
| | - Carlos N. Elias
- Materials Science Department, Instituto Militar de Engenharia , Rio de Janeiro , RJ , Brazil
| | - Jorge J. de Carvalho
- Dentistry Department, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , RJ , Brazil
| | - Jorge L. S. Pires
- Dentistry Department, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , RJ , Brazil
| | - Mario J. S. Pereira
- Dentistry Department, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , RJ , Brazil
| | - Ronaldo S. de Biasi
- Materials Science Department, Instituto Militar de Engenharia , Rio de Janeiro , RJ , Brazil
| |
Collapse
|
39
|
Gueldenpfennig T, Houshmand A, Najman S, Stojanovic S, Korzinskas T, Smeets R, Gosau M, Pissarek J, Emmert S, Jung O, Barbeck M. The Condensation of Collagen Leads to an Extended Standing Time and a Decreased Pro-inflammatory Tissue Response to a Newly Developed Pericardium-based Barrier Membrane for Guided Bone Regeneration. In Vivo 2021; 34:985-1000. [PMID: 32354884 DOI: 10.21873/invivo.11867] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/18/2020] [Accepted: 02/25/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND/AIM A new manufacturing process has been established for the condensation of collagen derived from porcine pericardium to develop a new dental barrier membrane (CPM) that can provide a long barrier functionality. A native collagen membrane (PM) was used as control. MATERIALS AND METHODS Established in vitro procedures using L929 and MC3T3 cells were used for cytocompatibility analyses. For the in vivo study, subcutaneous implantation of both membrane types in 40 BALB/c mice and established histological, immuno histochemical and histomorphometrical methods were conducted. RESULTS Both the in vitro and in vivo results revealed that the CPM has a biocompatibility profile comparable to that of the control membrane. The new CPM induced a tissue reaction including more M2-macrophages. CONCLUSION The CPM is fully biocompatible and seems to support the early healing process. Moreover, the new biomaterial seems to prevent cell ingrowth for a longer period of time, making it ideally suited for GBR procedures.
Collapse
Affiliation(s)
- Tristan Gueldenpfennig
- University Hospital Hamburg-Eppendorf, Hamburg, Germany.,Werner Forßmann Hospital Eberswalde, Eberswalde, Germany
| | | | - Stevo Najman
- Department for Cell and Tissue Engineering Institute of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Sanja Stojanovic
- Department for Cell and Tissue Engineering Institute of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
| | | | - Ralf Smeets
- University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Martin Gosau
- University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | | | - Steffen Emmert
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Ole Jung
- University Hospital Hamburg-Eppendorf, Hamburg, Germany.,Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Mike Barbeck
- University Hospital Hamburg-Eppendorf, Hamburg, Germany .,BerlinAnalytix GmbH, Berlin, Germany
| |
Collapse
|
40
|
Slepička P, Rimpelová S, Slepičková Kasálková N, Fajstavr D, Sajdl P, Kolská Z, Švorčík V. Antibacterial Properties of Plasma-Activated Perfluorinated Substrates with Silver Nanoclusters Deposition. NANOMATERIALS 2021; 11:nano11010182. [PMID: 33450953 PMCID: PMC7828452 DOI: 10.3390/nano11010182] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 12/28/2022]
Abstract
This article is focused on the evaluation of surface properties of polytetrafluoroethylene (PTFE) nanotextile and a tetrafluoroethylene-perfluoro(alkoxy vinyl ether) (PFA) film and their surface activation with argon plasma treatment followed with silver nanoclusters deposition. Samples were subjected to plasma modification for a different time exposure, silver deposition for different time periods, or their combination. As an alternative approach, the foils were coated with poly-L-lactic acid (PLLA) and silver. The following methods were used to study the surface properties of the polymers: goniometry, atomic force microscopy, and X-ray photoelectron microscopy. By combining the aforementioned methods for material surface modification, substrates with antibacterial properties eliminating the growth of Gram-positive and Gram-negative bacteria were prepared. Studies of antimicrobial activity showed that PTFE plasma-modified samples coated with PLLA and deposited with a thin layer of Ag had a strong antimicrobial effect, which was also observed for the PFA material against the bacterial strain of S. aureus. Significant antibacterial effect against S. aureus, Proteus sp. and E. coli has been demonstrated on PTFE nanotextile plasma-treated for 240 s, coated with PLLA, and subsequently sputtered with thin Ag layer.
Collapse
Affiliation(s)
- Petr Slepička
- Department of Solid State Engineering, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic; (N.S.K.); (D.F.) (V.Š.)
- Correspondence: (P.S.); (S.R.)
| | - Silvie Rimpelová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic
- Correspondence: (P.S.); (S.R.)
| | - Nikola Slepičková Kasálková
- Department of Solid State Engineering, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic; (N.S.K.); (D.F.) (V.Š.)
| | - Dominik Fajstavr
- Department of Solid State Engineering, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic; (N.S.K.); (D.F.) (V.Š.)
| | - Petr Sajdl
- Department of Power Engineering, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic;
| | - Zdeňka Kolská
- Faculty of Science, J. E. Purkyně University in Ústí nad Labem, 400 96 Ústí nad Labem, Czech Republic;
| | - Václav Švorčík
- Department of Solid State Engineering, University of Chemistry and Technology Prague, 166 28 Prague, Czech Republic; (N.S.K.); (D.F.) (V.Š.)
| |
Collapse
|
41
|
Growth Factors in Oral Tissue Engineering: New Perspectives and Current Therapeutic Options. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8840598. [PMID: 33506039 PMCID: PMC7808803 DOI: 10.1155/2021/8840598] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 12/15/2022]
Abstract
The present investigation is aimed at systematically analyzing the recent literature about the innovative scaffold involved in the reconstructive surgeries by applying growth factors and tissue engineering. An extensive review of the contemporary literature was conducted according to the PRISMA guidelines by accessing the PubMed, Embase, and Scopus Elsevier databases. Authors performed the English language manuscript research published from 2003 to 2020. A total of 13 relevant studies were included in the present review. The present systematic review included only papers with significant results about correlation between scaffold, molecular features of growth factor, and reconstructive surgeries in oral maxillofacial district. The initial research with filters recorded about 1023 published papers. Beyond reading and considering of suitability, only 42 and then 36 full-text papers were recorded for the revision. All the researches recorded the possibility of using growth factors on rebuilding atrophic jaws. Different growth factors like morphogenetic factors, cytokines, and inflammatory ones and their application over different scaffold materials were recorded. Further investigations should be required in order to state scientific evidence about a clear advantage of applying tissue engineering for therapeutic purpose.
Collapse
|
42
|
Biocompatibility and Immune Response of a Newly Developed Volume-Stable Magnesium-Based Barrier Membrane in Combination with a PVD Coating for Guided Bone Regeneration (GBR). Biomedicines 2020; 8:biomedicines8120636. [PMID: 33419327 PMCID: PMC7767206 DOI: 10.3390/biomedicines8120636] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/13/2020] [Accepted: 12/18/2020] [Indexed: 02/08/2023] Open
Abstract
To date, there are no bioresorbable alternatives to non-resorbable and volume-stable membranes in the field of dentistry for guided bone or tissue regeneration (GBR/GTR). Even magnesium (Mg) has been shown to constitute a favorable biomaterial for the development of stabilizing structures. However, it has been described that it is necessary to prevent premature degradation to ensure both the functionality and the biocompatibility of such Mg implants. Different coating strategies have already been developed, but most of them did not provide the desired functionality. The present study analyses a new approach based on ion implantation (II) with PVD coating for the passivation of a newly developed Mg membrane for GBR/GTR procedures. To demonstrate comprehensive biocompatibility and successful passivation of the Mg membranes, untreated Mg (MG) and coated Mg (MG-Co) were investigated in vitro and in vivo. Thereby a collagen membrane with an already shown biocompatibility was used as control material. All investigations were performed according to EN ISO 10993 regulations. The in vitro results showed that both the untreated and PVD-coated membranes were not cytocompatible. However, both membrane types fulfilled the requirements for in vivo biocompatibility. Interestingly, the PVD coating did not have an influence on the gas cavity formation compared to the uncoated membrane, but it induced lower numbers of anti-inflammatory macrophages in comparison to the pure Mg membrane and the collagen membrane. In contrast, the pure Mg membrane provoked an immune response that was fully comparable to the collagen membrane. Altogether, this study shows that pure magnesium membranes represent a promising alternative compared to the nonresorbable volume-stable materials for GBR/GTR therapy.
Collapse
|
43
|
Lindner C, PrÖhl A, Abels M, LÖffler T, Batinic M, Jung O, Barbeck M. Specialized Histological and Histomorphometrical Analytical Methods for Biocompatibility Testing of Biomaterials for Maxillofacial Surgery in (Pre-) Clinical Studies. In Vivo 2020; 34:3137-3152. [PMID: 33144417 PMCID: PMC7811667 DOI: 10.21873/invivo.12148] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 12/20/2022]
Abstract
Both preclinical in vivo experiments and clinical trials are indispensable for analysis of tissue reactions in evaluating the compatibility of biomaterials or medical devices, i.e. the cell types interacting with the material, integration or degradation behavior, implant bed vascularization and immunological response. In particular, both the histological workup (including the processes such as embedding, cutting, histochemical and immunohistochemical staining methods), as well as qualitative and quantitative analysis are crucial steps enabling the final evaluation of biocompatibility. We present a short overview of the most important steps of the different workup and analytical methods used in preclinical and clinical biopsies for both novice and experienced researchers in the field of biomaterial science.
Collapse
Affiliation(s)
| | | | | | | | | | - Ole Jung
- Clinic for Dermatology and Venereology, Rostock University Medical Center, Rostock, Germany
| | | |
Collapse
|
44
|
Jung O, Radenkovic M, Stojanović S, Lindner C, Batinic M, Görke O, Pissarek J, Pröhl A, Najman S, Barbeck M. In Vitro and In Vivo Biocompatibility Analysis of a New Transparent Collagen-based Wound Membrane for Tissue Regeneration in Different Clinical Indications. In Vivo 2020; 34:2287-2295. [PMID: 32871752 DOI: 10.21873/invivo.12040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/24/2020] [Accepted: 06/25/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM For the treatment of different tissue defects such as jawbone defects, open wound defect, chronic ulcers, dura mater defects and corneal defects, different biomaterials are available. The use of collagen-based materials for these applications has been significantly increased over the past decades due to its excellent biocompatibility and degradability. However, no transparent collagen-based biomaterial is available until now. Thus, a newly developed transparent collagen membrane (TCM) based on natural derived porcine pericardium, which offers numerous application possibilities, was developed. The present study aimed to analyze the in vitro and in vivo biocompatibility using established methods. MATERIALS AND METHODS The new TCM membrane and a commercially available collagen membrane (CM, Jason membrane, botiss biomaterials GmbH, Zossen, Germany) were tested for its in vitro cytocompatibility. Furthermore, the in vivo biocompatibility was analyzed using sham operations as control group. In vitro, cytocompatibility was tested in accordance with EN ISO 10993-5/-12 regulations and Live-Dead-stainings. In vivo, a subcutaneous implantation model in BALB/c mice was used and explants were prepared for analyses by established histological, immunohistochemical and histomorphometrical methods. RESULTS In vitro, both membranes showed promising cytocompatibility with a slightly better direct cell response in the Live-Dead staining assay for the TCM. In vivo, TCM induced a comparable inflammatory immune response after 10 and 30 days with comparable numbers of M1- and M2-macrophages as also found in the control group without biomaterial insertion. CONCLUSION The newly transparent collagen membrane is fully biocompatible and is supporting safe clinical application in tissue repair and surgery.
Collapse
Affiliation(s)
- Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Milena Radenkovic
- Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Sanja Stojanović
- Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, Niš, Serbia
| | | | - Milijana Batinic
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, Berlin, Germany
| | - Oliver Görke
- Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, Berlin, Germany
| | | | | | - Stevo Najman
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia.,Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Mike Barbeck
- BerlinAnalytix GmbH, Berlin, Germany .,Department of Ceramic Materials, Chair of Advanced Ceramic Materials, Institute for Materials Science and Technologies, Technical University Berlin, Berlin, Germany
| |
Collapse
|
45
|
State of the Art on Biomaterials for Soft Tissue Augmentation in the Oral Cavity. Part II: Synthetic Polymers-Based Biomaterials. Polymers (Basel) 2020; 12:polym12081845. [PMID: 32824577 PMCID: PMC7465038 DOI: 10.3390/polym12081845] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/13/2020] [Accepted: 08/15/2020] [Indexed: 01/10/2023] Open
Abstract
Most of the polymers used as biomaterials for scaffolds are naturally occurring, synthetic biodegradable, and synthetic non-biodegradable polymers. Since synthetic polymers can be adapted for obtaining singular desired characteristics by applying various fabrication techniques, their use has increased in the biomedical field, in dentistry in particular. The manufacturing methods of these new structures include many processes, such as electrospinning, 3D printing, or the use of computer-aided design/computer-aided manufacturing (CAD/CAM). Synthetic polymers show several drawbacks that can limit their use in clinical applications, such as the lack of cellular recognition, biodegradability, and biocompatibility. Moreover, concerning biodegradable polymers, the time for matrix resorption is not predictable, and non-resorbable matrices are preferred for soft tissue augmentation in the oral cavity. This review aimed to determine a new biomaterial to offset the present shortcomings in the oral environment. Researchers have recently proposed a novel non-resorbable composite membrane manufactured via electrospinning that has allowed obtaining remarkable in vivo outcomes concerning angiogenesis and immunomodulation throughout the polarization of macrophages. A prototype of the protocol for in vitro and in vivo experimentation with hydrogels is explained in order to encourage innovation into the development of promising biomaterials for soft tissue augmentation in the near future.
Collapse
|
46
|
Flaig I, Radenković M, Najman S, Pröhl A, Jung O, Barbeck M. In Vivo Analysis of the Biocompatibility and Immune Response of Jellyfish Collagen Scaffolds and its Suitability for Bone Regeneration. Int J Mol Sci 2020; 21:E4518. [PMID: 32630456 PMCID: PMC7350248 DOI: 10.3390/ijms21124518] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 12/20/2022] Open
Abstract
Jellyfish collagen, which can be defined as "collagen type 0" due to its homogeneity to the mammalian types I, II, III, V, and IX and its batch-to-batch consistent producibility, is of special interest for different medical applications related to (bone) tissue regeneration as an alternative to mammalian collagen-based biomaterials. However, no in vivo studies regarding the induction of M1- and M2-macrophages and their time-dependent ration as well as the analysis of the bone regeneration capacity of jellyfish collagen scaffolds have been conducted until now. Thus, the goal of this study was to determine the nature of the immune response to jellyfish collagen scaffolds and their bone healing capacities. Two in vivo studies using established implantation models, i.e., the subcutaneous and the calvarian implantation model in Wistar rats, were conducted. Furthermore, specialized histological, histopathological, and histomorphometrical methods have been used. As a control biomaterial, a collagen scaffold, originating from porcine pericardium, which has already been stated as biocompatible, was used for the subcutaneous study. The results of the present study show that jellyfish collagen scaffolds are nearly completely resorbed until day 60 post implantation by stepwise integration within the subcutaneous connective tissue mediated mainly by macrophages and single multinucleated giant cells. Interestingly, the degradation process ended in a vessel rich connective tissue that is understood to be an optimal basis for tissue regeneration. The study results showed an overall weaker immune response to jellyfish collagen than to porcine pericardium matrices by the induction of significantly lower numbers of macrophages together with a more balanced occurrence of M1- and M2-macrophages. However, both collagen-based biomaterials induced balanced numbers of both macrophage subtypes, which supports their good biocompatibility. Moreover, the histomorphometrical results for the calvarial implantation of the jellyfish scaffolds revealed an average of 46.20% de novo bone formation at day 60, which was significantly higher compared to the control group. Thereby, the jellyfish collagen scaffolds induced also significantly higher numbers of anti-inflammatory macrophages within the bony implantation beds. Altogether, the results show that the jellyfish collagen scaffolds allowed for a directed integration behavior, which is assumed to be in accordance with the concept of Guided Bone Regeneration (GBR). Furthermore, the jellyfish collagen scaffolds induced a long-term anti-inflammatory macrophage response and an optimal vascularization pattern within their implant beds, thus showing excellent biocompatibility and (bone) tissue healing properties.
Collapse
Affiliation(s)
- Iris Flaig
- BerlinAnalytix GmbH, 12109 Berlin, Germany; (I.F.); (A.P.)
| | - Milena Radenković
- Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, 18108 Niš, Serbia;
| | - Stevo Najman
- Department for Cell and Tissue Engineering and Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18108 Niš, Serbia;
| | - Annica Pröhl
- BerlinAnalytix GmbH, 12109 Berlin, Germany; (I.F.); (A.P.)
| | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany;
| | - Mike Barbeck
- BerlinAnalytix GmbH, 12109 Berlin, Germany; (I.F.); (A.P.)
| |
Collapse
|
47
|
Toledano M, Toledano-Osorio M, Osorio R, Carrasco-Carmona Á, Gutiérrez-Pérez JL, Gutiérrez-Corrales A, Serrera-Figallo MA, Lynch CD, Torres-Lagares D. Doxycycline and Zinc Loaded Silica-Nanofibrous Polymers as Biomaterials for Bone Regeneration. Polymers (Basel) 2020; 12:polym12051201. [PMID: 32466191 PMCID: PMC7285172 DOI: 10.3390/polym12051201] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/12/2020] [Accepted: 05/22/2020] [Indexed: 12/13/2022] Open
Abstract
The main target of bone tissue engineering is to design biomaterials that support bone regeneration and vascularization. Nanostructured membranes of (MMA)1-co-(HEMA)1/(MA)3-co-(HEA)2 loaded with 5% wt of SiO2-nanoparticles (HOOC-Si-Membrane) were doped with zinc (Zn-HOOC-Si-Membrane) or doxycycline (Dox-HOOC-Si-Membrane). Critical bone defects were effectuated on six New Zealand-bred rabbit skulls and covered with the membranes. After six weeks, the bone architecture was evaluated with micro computed tomography. Three histological analyses were utilized to analyse bone regeneration, including von Kossa silver nitrate, toluidine blue and fluorescence. All membrane-treated defects exhibited higher number of osteocytes and bone perimeter than the control group without the membrane. Zn-HOOC-Si-Membranes induced higher new bone and osteoid area than those treated with HOOC-Si-Membranes, and control group, respectively. Zn-HOOC-Si-Membranes and Dox-HOOC-Si-Membranes attained the lowest ratio M1 macrophages/M2 macrophages. Dox-HOOC-Si-Membranes caused the lowest number of osteoclasts, and bone density. At the trabecular new bone, Zn-HOOC-Si-Membranes produced the highest angiogenesis, bone thickness, connectivity, junctions and branches. Zn-HOOC-Si-Membranes enhanced biological activity, attained a balanced remodeling, and achieved the greatest regenerative efficiency after osteogenesis and angiogenesis assessments. The bone-integrated Zn-HOOC-Si-Membranes can be considered as bioactive modulators provoking a M2 macrophages (pro-healing cells) increase, being a potential biomaterial for promoting bone repair.
Collapse
Affiliation(s)
- Manuel Toledano
- Dental Materials Section, Faculty of Dentistry, University of Granada, Colegio Máximo de Cartuja s/n, 18071 Granada, Spain; (M.T.); (M.T.-O.); (Á.C.-C.)
| | - Manuel Toledano-Osorio
- Dental Materials Section, Faculty of Dentistry, University of Granada, Colegio Máximo de Cartuja s/n, 18071 Granada, Spain; (M.T.); (M.T.-O.); (Á.C.-C.)
| | - Raquel Osorio
- Dental Materials Section, Faculty of Dentistry, University of Granada, Colegio Máximo de Cartuja s/n, 18071 Granada, Spain; (M.T.); (M.T.-O.); (Á.C.-C.)
- Correspondence: ; Tel.: +34-958243789
| | - Álvaro Carrasco-Carmona
- Dental Materials Section, Faculty of Dentistry, University of Granada, Colegio Máximo de Cartuja s/n, 18071 Granada, Spain; (M.T.); (M.T.-O.); (Á.C.-C.)
| | - José-Luis Gutiérrez-Pérez
- Oral Surgery Section, Faculty of Dentistry, University of Sevilla, Avicena s/n, 41009 Sevilla, Spain; (J.-L.G.-P.); (A.G.-C.); (M.-A.S.-F.); (D.T.-L.)
| | - Aida Gutiérrez-Corrales
- Oral Surgery Section, Faculty of Dentistry, University of Sevilla, Avicena s/n, 41009 Sevilla, Spain; (J.-L.G.-P.); (A.G.-C.); (M.-A.S.-F.); (D.T.-L.)
| | - María-Angeles Serrera-Figallo
- Oral Surgery Section, Faculty of Dentistry, University of Sevilla, Avicena s/n, 41009 Sevilla, Spain; (J.-L.G.-P.); (A.G.-C.); (M.-A.S.-F.); (D.T.-L.)
| | - Christopher D. Lynch
- University Dental School & Hospital/University College Cork, Wilton, T12 E8YV Cork, Ireland;
| | - Daniel Torres-Lagares
- Oral Surgery Section, Faculty of Dentistry, University of Sevilla, Avicena s/n, 41009 Sevilla, Spain; (J.-L.G.-P.); (A.G.-C.); (M.-A.S.-F.); (D.T.-L.)
| |
Collapse
|
48
|
Barbeck M, Kühnel L, Witte F, Pissarek J, Precht C, Xiong X, Krastev R, Wegner N, Walther F, Jung O. Degradation, Bone Regeneration and Tissue Response of an Innovative Volume Stable Magnesium-Supported GBR/GTR Barrier Membrane. Int J Mol Sci 2020; 21:ijms21093098. [PMID: 32353983 PMCID: PMC7247710 DOI: 10.3390/ijms21093098] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 12/14/2022] Open
Abstract
Introduction: Bioresorbable collagenous barrier membranes are used to prevent premature soft tissue ingrowth and to allow bone regeneration. For volume stable indications, only non-absorbable synthetic materials are available. This study investigates a new bioresorbable hydrofluoric acid (HF)-treated magnesium (Mg) mesh in a native collagen membrane for volume stable situations. Materials and Methods: HF-treated and untreated Mg were compared in direct and indirect cytocompatibility assays. In vivo, 18 New Zealand White Rabbits received each four 8 mm calvarial defects and were divided into four groups: (a) HF-treated Mg mesh/collagen membrane, (b) untreated Mg mesh/collagen membrane (c) collagen membrane and (d) sham operation. After 6, 12 and 18 weeks, Mg degradation and bone regeneration was measured using radiological and histological methods. Results: In vitro, HF-treated Mg showed higher cytocompatibility. Histopathologically, HF-Mg prevented gas cavities and was degraded by mononuclear cells via phagocytosis up to 12 weeks. Untreated Mg showed partially significant more gas cavities and a fibrous tissue reaction. Bone regeneration was not significantly different between all groups. Discussion and Conclusions: HF-Mg meshes embedded in native collagen membranes represent a volume stable and biocompatible alternative to the non-absorbable synthetic materials. HF-Mg shows less corrosion and is degraded by phagocytosis. However, the application of membranes did not result in higher bone regeneration.
Collapse
Affiliation(s)
- Mike Barbeck
- Department of Oral Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, Study Group: Biomaterials/Surfaces, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
- BerlinAnalytix GmbH, 12109 Berlin, Germany
- Correspondence: ; Tel.: +49-(0)-176-81022467
| | - Lennart Kühnel
- Department of Oral Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, Study Group: Biomaterials/Surfaces, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Frank Witte
- Biotrics Bioimplants GmbH, 12109 Berlin, Germany
| | | | - Clarissa Precht
- Department of Oral Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, Study Group: Biomaterials/Surfaces, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Xin Xiong
- NMI Natural and Medical Sciences Institute, University of Tübingen, 72770 Reutlingen, Germany
| | - Rumen Krastev
- NMI Natural and Medical Sciences Institute, University of Tübingen, 72770 Reutlingen, Germany
- Faculty of Applied Chemistry, Reutlingen University, 72762 Reutlingen, Germany
| | - Nils Wegner
- Department of Materials Test Engineering (WPT), TU Dortmund University, 44227 Dortmund, Germany
| | - Frank Walther
- Department of Materials Test Engineering (WPT), TU Dortmund University, 44227 Dortmund, Germany
| | - Ole Jung
- Department of Oral Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, Study Group: Biomaterials/Surfaces, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany
| |
Collapse
|
49
|
Open-Healing Socket Preservation with a Novel Dense Polytetrafluoroethylene (dPTFE) Membrane: A Retrospective Clinical Study. ACTA ACUST UNITED AC 2020; 56:medicina56050216. [PMID: 32354120 PMCID: PMC7279177 DOI: 10.3390/medicina56050216] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/22/2020] [Accepted: 04/17/2020] [Indexed: 11/16/2022]
Abstract
Background and objectives: Non-resorbable dense polytetrafluoroethylene (dPTFE) membranes are widely used for regeneration procedures, alone or in combination with particulate materials. The aim of this work was to examine the efficacy of a newly developed dPTFE membrane in the management of extraction socket healing. Materials and Methods: The extraction premolar sockets of 44 patients (20 men and 24 women) were preserved. One group received prosthetic rehabilitation with a fixed partial denture (FPD) (PROS group, N = 19) and a second group received immediate implant placement (IMPL group, N = 25). The PROS group sockets were augmented with a bovine derived xenograft and covered with a newly developed dPTFE membrane prior to FPD rehabilitation. Results: In the IMPL group, socket preservation was combined with immediate implant placement. Before (T0) and 6 months after surgery (T1), horizontal and vertical dimensions were measured with customized stents. No significant differences in alveolar bone loss from T0 to T1 were observed between the PROS and IMPL groups in the horizontal dimension for any tooth type. There was a significant difference in alveolar bone loss from T0 to T1 between the two groups for only single-rooted maxillary premolars in the vertical dimension. Conclusions: The use of the examined new dPTFE membrane consistently led to the preservation of hard tissue in the extraction sites.
Collapse
|
50
|
Guo H, Xia D, Zheng Y, Zhu Y, Liu Y, Zhou Y. A pure zinc membrane with degradability and osteogenesis promotion for guided bone regeneration: In vitro and in vivo studies. Acta Biomater 2020; 106:396-409. [PMID: 32092431 DOI: 10.1016/j.actbio.2020.02.024] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 01/30/2020] [Accepted: 02/18/2020] [Indexed: 12/11/2022]
Abstract
Selection of an appropriate membrane material for guided bone regeneration (GBR) is still ongoing among resorbable and nonresorbable membranes with different characteristics. The major problem with nonresorbable membranes is the inevitable secondary surgery, while resorbable polymer membranes have limitations in providing sufficient mechanical support during the bone repair period due to premature loss of mechanical strength. Pure magnesium foil has been evaluated to explore its feasibility as a resorbable GBR membrane. It exhibited better mechanical properties, whereas poor formability and fast degradation rate were noted. In light of this, pure zinc membrane was developed as a pilot research in this paper. We designed three types of pure zinc membranes: pure Zn without pores, pure Zn with 300 µm diameter and 1000 µm diameter pores, and pure titanium without pores as a control. The mechanical property, in vitro immersion tests, and MC3T3-E1 cell viability assays were tested. Moreover, in vivo behaviors of three type zinc membranes were evaluated by using a rat calvarial critical-sized bone defect model. The experimental results indicated that pure Zn membrane with 300 µm pores showed the most favorable osteogenic capability, comparable to that of titanium membrane without pores. Therefore, considering appropriate degradation rate, adequate mechanical maintenance, and profitable osteogenic capacity, metallic pure zinc is believed to be a promising candidate for barrier membranes in GBR therapy for bone regeneration, and its mechanical property can be enhanced with further alloying. STATEMENT OF SIGNIFICANCE: Metallic element zinc plays a pivotal role in the growth and mineralization of bone tissues. As a pilot research, three type of guided bone regeneration (GBR) membranes were developed in the present work: pure Zn without pores, pure Zn with 300 µm-diameter and 1000 µm-diameter pores respectively. The mechanical property, in vitro immersion tests and MC3T3-E1 cell viability assays were tested, with pure titanium without pores as a control, thereafter the in vivo performance were evaluated by using a rat calvarial critical-sized bone defect model. It indicated that pure Zn membrane with 300 µm pores showed the most favorable osteogenic capability, comparable to that of titanium membrane control, and is believed to be a promising material candidate as barrier membrane in GBR therapy for bone regeneration.
Collapse
|