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Liang W, Huang J, Chen L, Gao P, Wu X, Zhang T. Experimental Study on the Application of Bioactive Xenogeneic Porcine Cancellous Bone for Cervical Intervertebral Fusion in Goats. Clin Spine Surg 2024:01933606-990000000-00338. [PMID: 39053002 DOI: 10.1097/bsd.0000000000001658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 06/28/2024] [Indexed: 07/27/2024]
Abstract
STUDY DESIGN An experimental study in a cervical intervertebral fusion goat model. OBJECTIVE To investigate the effect of bioactive xenogeneic porcine cancellous bone applied to the intervertebral fusion of goat cervical vertebrae. SUMMARY OF BACKGROUND DATA Although autogenous bone achieves satisfied outcome in cervical intervertebral fusion, it is limited and cause several complications. The application of xenogeneic bone has potential to solve these problems. METHODS Thirty local goats were randomly divided into 3 groups: group A (12 goats): autogenous tricortical iliac bone group; group B (6 goats): polyetheretherketone (PEEK) cage with autologous bone; and group C (12 goats): PEEK cage with bioactive xenogeneic porcine cancellous bone. C3-C4 discectomy was performed in each group and the above bone graft and bone graft substitutes were implanted. Lateral cervical spine x-rays were taken at preoperative; immediately postoperative; and 4, 8, 12, and 24 weeks postoperatively every goat. Disc space heights (DSHs) were measured on lateral x-rays. CT examination was performed at 12 and 24 weeks after surgery for the fusion score. After 4 and 8 weeks after surgery, 3 goats were euthanized in both groups A and C to evaluate the immune rejection response through histology. At 12 and 24 weeks after surgery, 3 goats were euthanized in each group. The cervical implants fusion outcome was evaluated through specimen histology observation. RESULT As time extended, the immune rejection of bioactive xenogeneic porcine cancellous bone gradually subsided. Radiology, specimen observation, and histology manifested that the C3-4 vertebral bodies of goats in each group gradually fused. All the goats in each group achieved bony fusion at 24 weeks after surgery. In terms of preventing intervertebral space collapse, the PEEK cage could achieve better results. There was no significant difference in the remaining experimental data (P>0.05). CONCLUSIONS Bioactive xenogeneic porcine cancellous bone can obtain satisfied fusion outcomes in cervical intervertebral fusion and is an ideal intervertebral fusion material in goats.
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Affiliation(s)
- Wenhao Liang
- The First School of Clinical Medicine, Southern Medical University
- Department of Orthopedics, General Hospital of Southern Theatre Command of PLA, Guangzhou
| | | | - Lingling Chen
- Department of Orthopedics, General Hospital of Southern Theatre Command of PLA, Guangzhou
| | - Peng Gao
- Department of Orthopedics, General Hospital of Southern Theatre Command of PLA, Guangzhou
- Guangzhou University of Chinese Medicine
| | - Xiaona Wu
- Department of Neurosurgery, General Hospital of Southern Theatre Command, Guangzhou, China
| | - Tao Zhang
- Department of Orthopedics, General Hospital of Southern Theatre Command of PLA, Guangzhou
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Putri ANK, Kamadjaja DB, Rizqiawan A, Amir MS, Sumarta NPM, Paramita DK. Preosteoblast Adhesion and Viability Study of Freeze-Dried Bovine Bone Block Scaffold Coated with Human Umbilical Cord Mesenchymal Stem Cell Secretome. Eur J Dent 2024. [PMID: 39013448 DOI: 10.1055/s-0044-1787105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024] Open
Abstract
OBJECTIVES Combining a three-dimensional scaffold with growth factors before implantation is one method used to increase scaffold bioactivity in bone tissue engineering. The mesenchymal stem cell (MSC)-conditioned medium (CM), called secretome, contains many proteins and growth factors required for tissue repair and growth. This study evaluated the bioactivity of a bovine bone scaffold combined with the secretome of human umbilical cord MSCs (hUC-MSCs) by analyzing MC3T3-E1 cell adhesion and viability on the scaffold. MATERIALS AND METHODS This in vitro laboratory study evaluated the effect of hUC-MSC secretome applied to bovine bone scaffolds processed using various techniques on MC3T3-E1 cell adhesion and viability. The three experimental groups included deproteinized bovine bone mineral-secretome (DBBM-CM), freeze-dried bovine bone-secretome (FDBB-CM), and decellularized FDBB-CM, whereas the control group was treated with DBBM alone. The cell adhesion test was performed using the centrifugation method after 6 and 24 hours, whereas the cell viability test was conducted using the trypan blue exclusion method after 24, 48, and 72 hours. Cell attachment was visualized after 4',6-diamidino-2-phenylindole staining and viewed under inverted fluorescence microscopy. STASTICAL ANALYSIS Statistical analyses were performed using one-way analysis of variance, followed by a post hoc test in cases of significant differences. RESULTS Statistical analyses showed significantly greater adhesion of the preosteoblasts to the FDBB-CM scaffold at 6 hours (p = 0.002). The results of the adhesion test at 24 hours and the viability tests at all observation times showed no significant differences (p > 0.05). This study found that the average MC3T3-E1 cell adhesions and viabilities were highest for the FDBB-CM and DBBM-CM scaffolds. DBBM scaffolds with the secretome had better cell adhesion and viability than those without the secretome. CONCLUSION The addition of MSC secretome increased bovine bone scaffold bioactivity especially in DBBM and FDBB scaffolds.
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Affiliation(s)
- Arum Nur Kartika Putri
- Department of Clinical Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - David Buntoro Kamadjaja
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Andra Rizqiawan
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Muhammad Subhan Amir
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Ni Putu Mira Sumarta
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Dewi Kartikawati Paramita
- Department of Histology and Cell Biology, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
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Aleynik DY, Bokov AE, Charykova IN, Rubtsova YP, Linkova DD, Farafontova EA, Egorikhina MN. Functionalization of Osteoplastic Material with Human Placental Growth Factor and Assessment of Biocompatibility of the Resulting Material In Vitro. Pharmaceutics 2024; 16:85. [PMID: 38258096 PMCID: PMC10819287 DOI: 10.3390/pharmaceutics16010085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/27/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
This article provides the results of a study of the interaction of placental growth factor with adipose-derived stem cells (ASCs) of various origins, as well as the possibility of generating osteoplastic material based on xenogeneic matrix functionalization with human placental growth factor (PLGF). It is demonstrated that the greatest release of this factor from the functionalized material into the medium occurs during the first 3 h of contact with the model medium, but then the levels of the factor being released fall sharply, although release did continue throughout the 7 days of observation. The modified material was not cytotoxic, and its surface provided good cell adhesion. During 3 days of cultivation, the ASCs proliferated and migrated more actively on the surfaces of the modified material than on the surfaces of the control material. This study can serve as the basis for the development of original methods to functionalize such osteoplastic material by increasing PLGF immobilization by creating stronger bonds in order to regulate both factor dosage and the dynamics of the factor release into the environment. Further studies in experimental animals should facilitate assessment of the effectiveness of the functionalized materials. Such studies will be useful in the development of osteoplastic materials with new properties resulting from the inclusion of growth factors and in research on their biological activity.
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Affiliation(s)
| | | | | | | | | | | | - Marfa N. Egorikhina
- Federal State Budgetary Educational Institution of Higher Education, Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation, 10/1 Minin and Pozharsky Square, 603005 Nizhny Novgorod, Russia; (D.Y.A.); (A.E.B.); (I.N.C.); (Y.P.R.); (D.D.L.); (E.A.F.)
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Li J, Zhao Y, Chen S, Wang S, Zhong W, Zhang Q. Research Hotspots and Trends of Bone Xenograft in Clinical Procedures: A Bibliometric and Visual Analysis of the Past Decade. Bioengineering (Basel) 2023; 10:929. [PMID: 37627814 PMCID: PMC10451653 DOI: 10.3390/bioengineering10080929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/11/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND Bone defect therapy is a common clinical challenge for orthopedic and clinical physicians worldwide, and the therapeutic effect affects the physiological function and healthy life quality of millions of patients. Compared with traditional autogenous bone transplants, bone xenografts are attracting attention due to their advantages of unlimited availability and avoidance of secondary damage. However, there is currently a lack of bibliometric analysis on bone xenograft. This study aimed to use bibliometric methods to analyze the literature on bone xenograft from 2013 to 2023, to explore the current status, hotspots, and future trends of research in this field, and to promote its development and progress. METHODS Using the Web of Science Core Collection database, we retrieved and collected publication data related to xenogeneic bone grafting materials worldwide from January 2013 to March 2023. Origin (2021), CiteSpace (6.2.R2 standard), and an online bibliometric platform were used for bibliometric analysis and data visualization. RESULTS A total of 3395 documents were retrieved, and 686 eligible papers were selected. The country and institutions with the highest number of publications and centrality were the United States (125 papers, centrality = 0.44) and the University of Zurich (29 papers, centrality = 0.28), respectively. The most cited author was Araujo MG (163 times), and the author with the most significant centrality was Froum SJ (centrality = 0.09). The main keyword clusters were "tissue engineering", "sinus floor elevation", "dental implants", "tooth extraction", and "bone substitutes". The most significant bursting keywords in the last three years were "platelet rich fibrin". CONCLUSIONS Research on bone xenograft is steadily growing and will continue to rise. Currently, research hotspots and directions are mainly focused on dental implants related to bone-augmentation techniques and bone tissue engineering. In the future, research hotspots and directions may focus on decellularization technology and investigations involving platelet-rich fibrin.
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Affiliation(s)
- Jiayue Li
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
| | - Yujue Zhao
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
| | - Shili Chen
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
| | - Simin Wang
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
| | - Wen Zhong
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
| | - Qing Zhang
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou 510182, China
- Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, 51081 BT Amsterdam, The Netherlands
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Guo X, Song P, Li F, Yan Q, Bai Y, He J, Che Q, Cao H, Guo J, Su Z. Research Progress of Design Drugs and Composite Biomaterials in Bone Tissue Engineering. Int J Nanomedicine 2023; 18:3595-3622. [PMID: 37416848 PMCID: PMC10321437 DOI: 10.2147/ijn.s415666] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023] Open
Abstract
Bone, like most organs, has the ability to heal naturally and can be repaired slowly when it is slightly injured. However, in the case of bone defects caused by diseases or large shocks, surgical intervention and treatment of bone substitutes are needed, and drugs are actively matched to promote osteogenesis or prevent infection. Oral administration or injection for systemic therapy is a common way of administration in clinic, although it is not suitable for the long treatment cycle of bone tissue, and the drugs cannot exert the greatest effect or even produce toxic and side effects. In order to solve this problem, the structure or carrier simulating natural bone tissue is constructed to control the loading or release of the preparation with osteogenic potential, thus accelerating the repair of bone defect. Bioactive materials provide potential advantages for bone tissue regeneration, such as physical support, cell coverage and growth factors. In this review, we discuss the application of bone scaffolds with different structural characteristics made of polymers, ceramics and other composite materials in bone regeneration engineering and drug release, and look forward to its prospect.
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Affiliation(s)
- Xinghua Guo
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Pan Song
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Feng Li
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Qihao Yan
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Yan Bai
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, People’s Republic of China
| | - Jincan He
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, People’s Republic of China
| | - Qishi Che
- Guangzhou Rainhome Pharm & Tech Co., Ltd, Science City, Guangzhou, 510663, People’s Republic of China
| | - Hua Cao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, 528458, People’s Republic of China
| | - Jiao Guo
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Zhengquan Su
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
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Awale GM, Barajaa MA, Kan HM, Seyedsalehi A, Nam GH, Hosseini FS, Ude CC, Schmidt TA, Lo KWH, Laurencin CT. Regenerative engineering of long bones using the small molecule forskolin. Proc Natl Acad Sci U S A 2023; 120:e2219756120. [PMID: 37216527 PMCID: PMC10235978 DOI: 10.1073/pnas.2219756120] [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: 11/18/2022] [Accepted: 04/10/2023] [Indexed: 05/24/2023] Open
Abstract
Bone grafting procedures have become increasingly common in the United States, with approximately 500,000 cases occurring each year at a societal cost exceeding $2.4 billion. Recombinant human bone morphogenetic proteins (rhBMPs) are therapeutic agents that have been widely used by orthopedic surgeons to stimulate bone tissue formation alone and when paired with biomaterials. However, significant limitations such as immunogenicity, high production cost, and ectopic bone growth from these therapies remain. Therefore, efforts have been made to discover and repurpose osteoinductive small-molecule therapeutics to promote bone regeneration. Previously, we have demonstrated that a single-dose treatment with the small-molecule forskolin for just 24 h induces osteogenic differentiation of rabbit bone marrow-derived stem cells in vitro, while mitigating adverse side effects attributed with prolonged small-molecule treatment schemes. In this study, we engineered a composite fibrin-PLGA [poly(lactide-co-glycolide)]-sintered microsphere scaffold for the localized, short-term delivery of the osteoinductive small molecule, forskolin. In vitro characterization studies showed that forskolin released out of the fibrin gel within the first 24 h and retained its bioactivity toward osteogenic differentiation of bone marrow-derived stem cells. The forskolin-loaded fibrin-PLGA scaffold was also able to guide bone formation in a 3-mo rabbit radial critical-sized defect model comparable to recombinant human bone morphogenetic protein-2 (rhBMP-2) treatment, as demonstrated through histological and mechanical evaluation, with minimal systemic off-target side effects. Together, these results demonstrate the successful application of an innovative small-molecule treatment approach within long bone critical-sized defects.
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Affiliation(s)
- Guleid M. Awale
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Department of Chemical Engineering, University of Connecticut, Storrs, CT06269
| | - Mohammed A. Barajaa
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT06030
- Department of Biomedical Engineering, Imam Abdulrahman Bin Faisal University,31451Dammam, Saudi Arabia
| | - Ho-Man Kan
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
| | - Amir Seyedsalehi
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT06030
| | - Ga Hie Nam
- Department of Pathology and Laboratory Medicine, UConn Health, Farmington, CT06030
| | - Fatemeh S. Hosseini
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Department of Skeletal Biology and Regeneration, UConn Health, Farmington, CT06030
| | - Chinedu C. Ude
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
| | - Tannin A. Schmidt
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT06030
| | - Kevin W.-H. Lo
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Division of Endocrinology, Department of Medicine, UConn Health, Farmington, CT06030
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT06030
| | - Cato T. Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Department of Chemical Engineering, University of Connecticut, Storrs, CT06269
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT06030
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT06030
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT06269
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Bow AJ, Rifkin RE, Priester C, Christopher CJ, Grzeskowiak RM, Hecht S, Adair SH, Mulon PY, Castro HF, Campagna SR, Anderson DE. Temporal metabolic profiling of bone healing in a caprine tibia segmental defect model. Front Vet Sci 2023; 9:1023650. [PMID: 36733424 PMCID: PMC9886884 DOI: 10.3389/fvets.2022.1023650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 12/30/2022] [Indexed: 01/18/2023] Open
Abstract
Bone tissue engineering is an emerging field of regenerative medicine, with a wide array of biomaterial technologies and therapeutics employed. However, it is difficult to objectively compare these various treatments during various stages of tissue response. Metabolomics is rapidly emerging as a powerful analytical tool to establish broad-spectrum metabolic signatures for a target biological system. Developing an effective biomarker panel for bone repair from small molecule data would provide an objective metric to readily assess the efficacy of novel therapeutics in relation to natural healing mechanisms. In this study we utilized a large segmental bone defect in goats to reflect trauma resulting in substantial volumetric bone loss. Characterization of the native repair capacity was then conducted over a period of 12 months through the combination of standard (radiography, computed tomography, histology, biomechanics) data and ultra-high-performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) metabolic profiling. Standard metrics demonstrated that samples formed soft callus structures that later mineralized. Small molecule profiles showed distinct temporal patterns associated with the bone tissue repair process. Specifically, increased lactate and amino acid levels at early time points indicated an environment conducive to osteoblast differentiation and extracellular matrix formation. Citrate and pyruvate abundances increased at later time points indicating increasing mineral content within the defect region. Taurine, shikimate, and pantothenate distribution profiles appeared to represent a shift toward a more homeostatic remodeling environment with the differentiation and activity of osteoclasts offsetting the earlier deposition phases of bone repair. The generation of a comprehensive metabolic reference portfolio offers a potent mechanism for examining novel biomaterials and can serve as guide for the development of new targeted therapeutics to improve the rate, magnitude, and quality of bone regeneration.
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Affiliation(s)
- Austin J. Bow
- Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States,*Correspondence: Austin J. Bow ✉
| | - Rebecca E. Rifkin
- Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Caitlin Priester
- Department of Animal Science, University of Tennessee, Knoxville, Knoxville, TN, United States
| | | | - Remigiusz M. Grzeskowiak
- Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Silke Hecht
- Department of Small Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Steve H. Adair
- Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Pierre-Yves Mulon
- Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States
| | - Hector F. Castro
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, TN, United States,Biological and Small Molecule Mass Spectrometry Core and the Department of Chemistry, University of Tennessee, Knoxville, Knoxville, TN, United States
| | - Shawn R. Campagna
- Department of Chemistry, University of Tennessee, Knoxville, Knoxville, TN, United States,Biological and Small Molecule Mass Spectrometry Core and the Department of Chemistry, University of Tennessee, Knoxville, Knoxville, TN, United States
| | - David E. Anderson
- University of Tennessee College of Veterinary Medicine, Knoxville, TN, United States,David E. Anderson ✉
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Chen C, Li Z, Xue J, Shi Z. Posterior ankle arthroscopic treatment of a talar chondroblastoma with allograft and a platelet-rich plasma-fibrin glue: A case report and literature review. Front Surg 2023; 9:1039785. [PMID: 36684231 PMCID: PMC9849586 DOI: 10.3389/fsurg.2022.1039785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 11/29/2022] [Indexed: 01/06/2023] Open
Abstract
Talar chondroblastoma, which is a benign tumor of immature cartilage cells, is an uncommon but easily missed diagnosis of foot pain. Arthroscopic treatment for this condition is a safe, powerful, and promising technique with definitive advantages of visualization and minimal invasion. Here, we report a case of a talar chondroblastoma treated by posterior ankle arthroscopic curettage, allograft bone graft, and platelet-rich plasma-fibrin glue (PRP-FG) application. Level of evidence Case Report. Level IV.
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Management of bone diseases: looking at scaffold-based strategies for drug delivery. Drug Deliv Transl Res 2023; 13:79-104. [PMID: 35816230 DOI: 10.1007/s13346-022-01191-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 12/13/2022]
Abstract
The bone tissue can regenerate itself completely and continuously; however, large-scale bone defects may overpower this self-regenerative process. Furthermore, the aging population, the increment in obesity incidence, and the sedentary lifestyles are serious risk factors for bone diseases' development which are associated with the self-regenerative process's failure, high morbidity, and mortality rates. Thus, there is an ever-growing need for strategic approaches targeting bone replacement, its remodelling, and its regeneration. Bone scaffolds have successfully been used as synthetic bone grafts for many years, yet recent bone tissue engineering strategies attempt to explore their multifunctionality by investigating them as drug delivery systems. Bone diseases' treatments can be substantially difficult due to the avascular nature of the surrounding cartilage; thus, targeted drug delivery to the bone can be advantageous: it provides local high drug concentrations and minimizes adverse effects while securing a space for new, healthy tissue growth. Despite the promising scientific progress, studies underlining bone scaffolds' use as local drug delivery systems are not abundant. Hence, this work reviews bone scaffolds' therapeutic interest for local drug delivery in five distinct bone disorders-osteomyelitis, osteoporosis, osteoarthritis, osteosarcoma, and cancer bone metastasis. Additionally, it presents the challenges of this possible therapeutic approach and its future perspectives. Albeit bone scaffolds present therapeutic benefits by acting as drug delivery systems, further pre-clinical and clinical assessments are needed to strengthen their understanding and enable research evidence translation into clinical practice. The mismatch between scientific evolution and regulatory frameworks remains one of the major future challenges.
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Baek JW, Kim KS, Park H, Kim BS. Marine plankton exoskeletone-derived hydroxyapatite/polycaprolactone composite 3D scaffold for bone tissue engineering. Biomater Sci 2022; 10:7055-7066. [PMID: 36285712 DOI: 10.1039/d2bm00875k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
3D porous scaffolds based on biodegradable polymers are one of the materials for bone tissue regeneration. In this study, a porous scaffold was prepared using a solvent casting/particulate leaching method that used polycaprolactone (PCL) and hydroxyapatite (OceanBone-HAp) extracted from a marine plankton exoskeleton to achieve excellent bone regeneration. In this study, the morphology and physicochemical properties of the PCL/OceanBone-HAp scaffolds were evaluated using scanning electron microscopy, X-ray diffraction, and porosity analysis. The results confirmed the porous structure of the scaffold and removal of the solvent and porogen particles. In vitro test results revealed superior cell adhesion, proliferation, and viability of PCL/OceanBone-HAp scaffolds compared to PCL scaffolds alone. The enhanced alkaline phosphatase activity and expression of bone morphogenetic protein 2, collagen type I α 1, osteocalcin, and bone sialoprotein in the PCL/OceanBone-HAp scaffolds were confirmed through ALP and real-time polymerase chain reaction assays. Moreover, in vivo experiments using a rabbit calvarial defect model showed that the PCL/OceanBone-HAp scaffold exhibited enhanced bone regeneration compared to the PCL scaffold. Therefore, the PCL/OceanBone-HAp scaffold is a promising scaffold for bone repair.
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Affiliation(s)
- Ji Won Baek
- Department of R&BD, Cellco Inc. 208, Venture Startup Center, Jeonju University, 303, Cheonjam-ro, Wansan-gu, Jeonju-si 55069, Republic of Korea.
| | - Ki Su Kim
- Department of R&BD, Cellco Inc. 208, Venture Startup Center, Jeonju University, 303, Cheonjam-ro, Wansan-gu, Jeonju-si 55069, Republic of Korea.
| | - Ho Park
- Department of clinical Laboratory Science, Wonkwang Health Science University, 514, Iksan-daero, Iksan-si 54538, Republic of Korea.
| | - Beom-Su Kim
- Department of R&BD, Cellco Inc. 208, Venture Startup Center, Jeonju University, 303, Cheonjam-ro, Wansan-gu, Jeonju-si 55069, Republic of Korea. .,Carbon Nano Convergence Tech Center, Jeonbuk National University, Jeonju-si 54896, Republic of Korea.
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Zhao Z, Liu J, Weir MD, Schneider A, Ma T, Oates TW, Xu HHK, Zhang K, Bai Y. Periodontal ligament stem cell-based bioactive constructs for bone tissue engineering. Front Bioeng Biotechnol 2022; 10:1071472. [PMID: 36532583 PMCID: PMC9755356 DOI: 10.3389/fbioe.2022.1071472] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 11/17/2022] [Indexed: 09/29/2023] Open
Abstract
Objectives: Stem cell-based tissue engineering approaches are promising for bone repair and regeneration. Periodontal ligament stem cells (PDLSCs) are a promising cell source for tissue engineering, especially for maxillofacial bone and periodontal regeneration. Many studies have shown potent results via PDLSCs in bone regeneration. In this review, we describe recent cutting-edge researches on PDLSC-based bone regeneration and periodontal tissue regeneration. Data and sources: An extensive search of the literature for papers related to PDLSCs-based bioactive constructs for bone tissue engineering was made on the databases of PubMed, Medline and Google Scholar. The papers were selected by three independent calibrated reviewers. Results: Multiple types of materials and scaffolds have been combined with PDLSCs, involving xeno genic bone graft, calcium phosphate materials and polymers. These PDLSC-based constructs exhibit the potential for bone and periodontal tissue regeneration. In addition, various osteo inductive agents and strategies have been applied with PDLSCs, including drugs, biologics, gene therapy, physical stimulation, scaffold modification, cell sheets and co-culture. Conclusoin: This review article demonstrates the great potential of PDLSCs-based bioactive constructs as a promising approach for bone and periodontal tissue regeneration.
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Affiliation(s)
- Zeqing Zhao
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Jin Liu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Michael D. Weir
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
| | - Abraham Schneider
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Tao Ma
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Thomas W. Oates
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
| | - Hockin H. K. Xu
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
- Center for Stem Cell Biology and Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Ke Zhang
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
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12
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Huang J, Lu J, Liu Z, Jin J, Xie C, Zheng Y, Wang Z, Yu L, Zhu Y, Fan G, Sun G, Xu Z, Zhou G. Covalent immobilization of VEGF on allogeneic bone through polydopamine coating to improve bone regeneration. Front Bioeng Biotechnol 2022; 10:1003677. [PMID: 36312529 PMCID: PMC9597090 DOI: 10.3389/fbioe.2022.1003677] [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: 07/26/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
Objective: Promoting bone regeneration and repairing in bone defects is of great significance in clinical work. Using a simple and effective surface treatment method to enhance the osteogenic ability of existing bone scaffold is a promising method. In this article, we study the application of catecholic amino acid 3,4-dihydroxyphenylalanine (DOPA) surface coating chelated with vascular endothelial growth factor (VEGF) on allogeneic bone. Method: Allogeneic bone is immersed in DOPA solution and DOPA form polydopamine (PDA) with good adhesion. Electron microscopy is used to characterize the surface characteristics of allogeneic bone. MC3T3-E1 cells were tested for biocompatibility and osteogenic signal expression. Finally, a 12-week rabbit bone defect model was established to evaluate bone regeneration capability. Results: We found that the surface microenvironment of DOPA bonded allogeneic bone was similar to the natural allogeneic bone. VEGF loaded allografts exhibited satisfying biocompatibility and promoted the expression of osteogenic related signals in vitro. The VEGF loaded allografts healed the bone defect after 12 weeks of implantation that continuous and intact bone cortex was observed. Conclusion: The PDA coating is a simple surface modification method and has mild properties and high adhesion. Meanwhile, the PDA coating can act on the surface modification of different materials. This study provides an efficient surface modification method for enhancing bone regeneration by PDA coating, which has a high potential for translational clinical applications.
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Affiliation(s)
- Jianhao Huang
- Department of Orthopedics, Jinling Hospital, The first School of Clinical Medicine, Southern Medical University, Nanjing, China
| | - Jingwei Lu
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Ziying Liu
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Jing Jin
- Nanjing Drum Tower Hospital, Nanjing, China
| | - Chunmei Xie
- Hangzhou Lancet Robotics Company Ltd, Hangzhou, China
| | - Yang Zheng
- Nanjing Yaho Dental Clinic, Nanjing, China
| | - Zhen Wang
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Lingfeng Yu
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Yan Zhu
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Gentao Fan
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Guojing Sun
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
| | - Zhihong Xu
- Department of Orthopaedic Surgery, Nanjing Drum Tower Hospital, Nanjing, China
- *Correspondence: Zhihong Xu, ; Guangxin Zhou,
| | - Guangxin Zhou
- Department of Orthopedics, Jinling Hospital, The first School of Clinical Medicine, Southern Medical University, Nanjing, China
- Affiliated Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China
- *Correspondence: Zhihong Xu, ; Guangxin Zhou,
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Li XF, Chen JJ. Nanobiomaterials in the Repair and Reconstruction of Ankle Trauma Skin Flap Surgical Infection Clinical Research Study. J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.3073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This paper discusses the value and surgical techniques of applying nano-silver combined skin flaps to repair large-area soft tissue defects in the calves and ankles. From January 2016 to December 2020, combined skin flap transplantation was used to treat 36 patients with large-area
soft tissue defects in the calf and ankle, and nano-silver was used for wound wet compress. The study found 3 cases of vascular crisis in this group, and vascular exploration was carried out. After the arterial crisis was relieved, 1 case of free flap survived, 1 case of free flap edge necrosis,
wound healing after dressing change, and 1 case of vein Partial necrosis of the free skin flap after embolization exploration. The remaining 33 patients with transplanted tissues all survived, and the wounds were repaired in one stage. The total success rate was 97.2% (35/36). The postoperative
follow-up was 4 to 36 months, with an average of 16 months. The flap was soft and good in appearance, and the function of the affected limb and ankle was recovered satisfactorily. For this reason, we can conclude that the use of different forms of combined skin flap transplantation provides
a feasible and effective technical method for the repair of large-area soft tissue defects in the calf and ankle. The nano-silver coating on the wound can effectively reduce the disability rate. Restore limb function.
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Affiliation(s)
- Xiao-Fei Li
- The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000, China
| | - Jun-Jiang Chen
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China
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Singh YP, Dasgupta S. Gelatin-based electrospun and lyophilized scaffolds with nano scale feature for bone tissue engineering application: review. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1704-1758. [PMID: 35443894 DOI: 10.1080/09205063.2022.2068943] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The rebuilding of the normal functioning of the damaged human body bone tissue is one of the main objectives of bone tissue engineering (BTE). Fabricated scaffolds are mostly treated as artificial supports and as materials for regeneration of neo bone tissues and must closely biomimetic the native extracellular matrix of bone. The materials used for developing scaffolds should be biodegradable, nontoxic, and biocompatible. For the resurrection of bone disorder, specifically natural and synthetic polymers such as chitosan, PCL, gelatin, PGA, PLA, PLGA, etc. meet the requirements for serving their functions as artificial bone substitute materials. Gelatin is one of the potential candidates which could be blended with other polymers or composites to improve its physicochemical, mechanical, and biological performances as a bone graft. Scaffolds are produced by several methods including electrospinning, self-assembly, freeze-drying, phase separation, fiber drawing, template synthesis, etc. Among them, freeze-drying and electrospinning are among the popular, simplest, versatile, and cost-effective techniques. The design and preparation of freeze-dried and electrospun scaffolds are of intense research over the last two decades. Freeze-dried and electrospun scaffolds offer a distinctive architecture at the micro to nano range with desired porosity and pore interconnectivity for selective movement of small biomolecules and play its role as an appropriate matrix very similar to the natural bone extracellular matrix. This review focuses on the properties and functionalization of gelatin-based polymer and its composite in the form of bone scaffolds fabricated primarily using lyophilization and electrospinning technique and their applications in BTE.
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Affiliation(s)
- Yogendra Pratap Singh
- Department of Ceramic Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India
| | - Sudip Dasgupta
- Department of Ceramic Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, India
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Wang J, Xia H, Fan X, Wu H, Liao Y, Yuan F. Biodegradable Zn-2Ag-0.04Mg Alloy for Bone Regeneration In Vivo. Mol Biotechnol 2022; 64:928-935. [PMID: 35260964 DOI: 10.1007/s12033-022-00474-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/23/2022] [Indexed: 11/25/2022]
Abstract
To evaluate the bone regeneration capacity of Zn-2Ag-0.04Mg alloy scaffold in vivo. Zn, Zn-2Ag and Zn-2Ag-0.04Mg scaffolds were implanted in the femur of New Zealand rabbits, and the degradation of the scaffolds and the regeneration of the bone were observed at 6th week and 6th month. Two-dimensional and three-dimensional micro-CT results showed the new bone in Zn-2Ag-0.04Mg alloy scaffold group was significant more than Zn scaffold group, the bone volume in Zn-2Ag-0.04Mg was higher. Moreover, the osteogenic index in the Zn-2Ag-0.04Mg alloy scaffold group was also higher than Zn scaffold group. At 6th month, the scaffold of Zn-2Ag-0.04Mg was smaller than Zn group or Zn-2Ag group. HE staining of the liver, kidney, and heart did not detect any abnormalities, confirmed the biosafety of the Zn-2Ag-0.04Mg alloy scaffold. The Zn-Ag-0.04Mg alloy scaffold exhibits good biocompatibility and bone regeneration ability in vivo.
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Affiliation(s)
- Jian Wang
- Department of Orthopedics, Tongji Hospital, School of Medicine, Tongji University, No.389 Xincun Road, Shanghai, 200065, China.,Department of Orthopaedics, Karamay Central Hospital of Xinjiang, Karamay, 834000, China
| | - Haijun Xia
- Department of Orthopaedics, Karamay Central Hospital of Xinjiang, Karamay, 834000, China
| | - Xiaolei Fan
- Department of Orthopaedics, Karamay Central Hospital of Xinjiang, Karamay, 834000, China
| | - Hongzi Wu
- Department of Orthopaedics, Karamay Central Hospital of Xinjiang, Karamay, 834000, China
| | - Yi Liao
- Department of Orthopaedics, Karamay Central Hospital of Xinjiang, Karamay, 834000, China.
| | - Feng Yuan
- Department of Orthopedics, Tongji Hospital, School of Medicine, Tongji University, No.389 Xincun Road, Shanghai, 200065, China.
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Cellular Response of Human Osteoblasts to Different Presentations of Deproteinized Bovine Bone. MATERIALS 2022; 15:ma15030999. [PMID: 35160947 PMCID: PMC8839050 DOI: 10.3390/ma15030999] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/05/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023]
Abstract
Objectives: This study evaluated the cellular response of primary osteoblasts exposed to two different presentations of a low-temperature non-sintered deproteinized bovine bone matrix (DBBM). Materials and methods: Six different baths of a commercially available DBBM block (Bonefill® Porous Block) and one of DBBM granule (Bonefill® Porous) were evaluated to identify the mineral structure and organic or cellular remnants. Samples of the same baths were processed in TRIZOL for RNA extraction and quantification. For the immunologic cell reaction assay, primary human osteoblasts (pOB) were exposed to DBMM block (pOB + B) or granules (pOB + G), or none (control) for 1, 3, or 7 days of cell cultivation. Expression of proinflammatory cytokines by pOB was evaluated by crosslinked ELISA assay. In addition, total DNA amount, as well as cell viability via LDH evaluation, was assessed. Results: Organic remnants were present in DBBM blocks; 45.55% (±7.12) of osteocytes lacunae presented cellular remnants in blocks compared to 17.31% (±1.31) in granules. In three of five batches of blocks, it was possible to isolate bovine RNA. The highest concentration of TGF-β1 was found in supernatants of pOB + G on day 7 (218.85 ± 234.62 pg/mL) (p < 0.05), whereas pOB + B presented the lowest amount of TGF-β1 secretion at the end of evaluation (30.22 ± 14.94 pg/mL, p < 0.05). For IL-6 and OPG, there was no statistical difference between groups, while pOB + G induced more IL-8 secretion than the control (3.03 ± 3.38 ng/mL, p < 0.05). Considering the kinetics of cytokine release during the study period, all groups presented a similar pattern of cytokines, estimated as an increasing concentration for IL-6, IL-8, and OPG during cultivation. Adherent cells were observed on both material surfaces on day 7, according to H&E and OPN staining. Conclusion: Neither tested material induced a pronounced inflammatory response upon osteoblast cultivation. However, further studies are needed to elucidate the potential influence of organic remnants in bone substitute materials on the regeneration process.
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17
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Biocomposites Containing Silver Nanoparticles for Biomedical Applications. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02180-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Grzeskowiak RM, Alghazali KM, Hecht S, Donnell RL, Doherty TJ, Smith CK, Anderson DE, Biris AS, Adair HS. Influence of a novel scaffold composed of polyurethane, hydroxyapatite, and decellularized bone particles on the healing of fourth metacarpal defects in mares. Vet Surg 2021; 50:1117-1127. [PMID: 33948951 PMCID: PMC8360067 DOI: 10.1111/vsu.13608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 01/04/2021] [Accepted: 01/24/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To determine the effect of a novel scaffold, designed for use in bone regeneration, on healing of splint bone segmental defects in mares. STUDY DESIGN In vivo experimental study. SAMPLE POPULATION Five adult mares (4-10 years old; mean weight, 437.7 kg ± 29 kg). METHODS Bilateral 2-cm full-thickness defects were created in the fourth metacarpal bones (MCIV) of each horse. Each defect was randomly assigned to either a novel scaffold treatment (n = 5) or an untreated control (n = 5). The scaffold was composed of polyurethane, hydroxyapatite, and decellularized bone particles. Bone healing was assessed for a period of 60 days by thermography, ultrasonography, radiography, and computed tomography (CT). Biopsies of each defect were performed 60 days after surgery for histological evaluation. RESULTS On the basis of radiographic analysis, scaffold-treated defects had greater filling (67.42% ± 26.7%) compared with untreated defects (35.88% ± 32.7%; P = .006). After 60 days, CT revealed that the density of the defects treated with the scaffolds (807.80 ± 129.6 Hounsfield units [HU]) was greater than density of the untreated defects (464.80 ± 81.3 HU; P = .004). Evaluation of histology slides provided evidence of bone formation within an average of 9.43% ± 3.7% of the cross-sectional area of scaffolds in contrast to unfilled defects in which connective tissue was predominant throughout the biopsy specimens. CONCLUSION The novel scaffold was biocompatible and supported bone formation within the MCIV segmental defects. CLINICAL SIGNIFICANCE This novel scaffold offers an effective option for filling bone voids in horses when support of bone healing is indicated.
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Affiliation(s)
- Remigiusz M. Grzeskowiak
- Department of Large Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - Karrer M. Alghazali
- Center for Integrative Nanotechnology SciencesUniversity of Arkansas at Little RockLittle RockArkansasUSA
| | - Silke Hecht
- Department of Small Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - Robert L. Donnell
- Department of Biomedical and Diagnostic SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - Thomas J. Doherty
- Department of Large Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - Christopher K. Smith
- Department of Small Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - David E. Anderson
- Department of Large Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
| | - Alexandru S. Biris
- Center for Integrative Nanotechnology SciencesUniversity of Arkansas at Little RockLittle RockArkansasUSA
| | - Henry S. Adair
- Department of Large Animal Clinical SciencesThe University of Tennessee College of Veterinary MedicineKnoxvilleTennesseeUSA
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19
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Maazouz Y, Chizzola G, Döbelin N, Bohner M. Cell-free, quantitative mineralization measurements as a proxy to identify osteoinductive bone graft substitutes. Biomaterials 2021; 275:120912. [PMID: 34098150 DOI: 10.1016/j.biomaterials.2021.120912] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 05/05/2021] [Accepted: 05/20/2021] [Indexed: 12/30/2022]
Abstract
Some synthetic bone graft substitutes (BGS) can trigger ectopic bone formation, which is the hallmark of osteoinduction and the most important prerequisite for the repair of large bone defects. Unfortunately, measuring or predicting BGS osteoinductive potential based on in vitro experiments is currently impossible. A recent study claimed that synthetic BGS can induce bone formation ectopically if they create a local homeostatic imbalance during their in vivo mineralization. This raised the hope that a simple cell free in vitro mineralization experiment would correlate with osteoinduction. The aim of the present study was therefore to assess the ability of a quantitative in vitro mineralization test to predict and rank the osteoinductive potential of BGS. Eight calcium phosphate BGS already tested ectopically in 9 different in vivo studies were used for that purpose. The experiment was able to identify materials that are reliably osteoinductive from those that are not, but was inaccurate in ranking the osteoinductive materials between each other. Chemical contaminants (Ca2+, Mg2+, H+, OH-, PO43-) present in some of the BGS affected the in vitro mineralization experiment results, but not in a direction that could explain the different rankings. In conclusion, this study suggests that an in vitro experiment can be used as a fast and reliable screening tool to identify osteoinductive BGS and underline the need to study ionic contaminants on calcium phosphate BGS.
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Affiliation(s)
- Yassine Maazouz
- RMS Foundation, Bischmattstrasse 12, 2544, Bettlach, Switzerland
| | - Giacomo Chizzola
- RMS Foundation, Bischmattstrasse 12, 2544, Bettlach, Switzerland
| | - Nicola Döbelin
- RMS Foundation, Bischmattstrasse 12, 2544, Bettlach, Switzerland
| | - Marc Bohner
- RMS Foundation, Bischmattstrasse 12, 2544, Bettlach, Switzerland.
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20
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Evaluation of a bone filler scaffold for local antibiotic delivery to prevent Staphylococcus aureus infection in a contaminated bone defect. Sci Rep 2021; 11:10254. [PMID: 33986462 PMCID: PMC8119729 DOI: 10.1038/s41598-021-89830-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/30/2021] [Indexed: 12/30/2022] Open
Abstract
We previously reported the development of an osteogenic bone filler scaffold consisting of degradable polyurethane, hydroxyapatite, and decellularized bovine bone particles. The current study was aimed at evaluating the use of this scaffold as a means of local antibiotic delivery to prevent infection in a bone defect contaminated with Staphylococcus aureus. We evaluated two scaffold formulations with the same component ratios but differing overall porosity and surface area. Studies with vancomycin, daptomycin, and gentamicin confirmed that antibiotic uptake was concentration dependent and that increased porosity correlated with increased uptake and prolonged antibiotic release. We also demonstrate that vancomycin can be passively loaded into either formulation in sufficient concentration to prevent infection in a rabbit model of a contaminated segmental bone defect. Moreover, even in those few cases in which complete eradication was not achieved, the number of viable bacteria in the bone was significantly reduced by treatment and there was no radiographic evidence of osteomyelitis. Radiographs and microcomputed tomography (µCT) analysis from the in vivo studies also suggested that the addition of vancomycin did not have any significant effect on the scaffold itself. These results demonstrate the potential utility of our bone regeneration scaffold for local antibiotic delivery to prevent infection in contaminated bone defects.
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Lim JW, Jang KJ, Son H, Park S, Kim JE, Kim HB, Seonwoo H, Choung YH, Lee MC, Chung JH. Aligned Nanofiber-Guided Bone Regeneration Barrier Incorporated with Equine Bone-Derived Hydroxyapatite for Alveolar Bone Regeneration. Polymers (Basel) 2020; 13:polym13010060. [PMID: 33375761 PMCID: PMC7796229 DOI: 10.3390/polym13010060] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 01/29/2023] Open
Abstract
Post-surgery failure of dental implants due to alveolar bone loss is currently critical, disturbing the quality of life of senior dental patients. To overcome this problem, bioceramic or bone graft material is loaded into the defect. However, connective tissue invasion instead of osteogenic tissue limits bone tissue regeneration. The guided bone regeneration concept was adapted to solve this problem and still has room for improvements, such as biochemical similarity or oriented structure. In this article, an aligned electrospun-guided bone regeneration barrier with xenograft equine bone-derived nano hydroxyapatite (EBNH-RB) was fabricated by electrospinning EBNH/PCL solution on high-speed rotating drum collector and fiber characterization, viability and differentiation enhancing properties of mesenchymal dental pulp stem cell on the barrier was determined. EBNH-RB showed biochemical and structural similarity to natural bone tissue electron microscopy image analysis and x-ray diffractometer analysis, and had a significantly better effect in promoting osteogenesis based on the increased bioceramic content by promoting cell viability, calcium deposition and osteogenic marker expression, suggesting that they can be successfully applied to regenerate alveolar bone as a guided bone regeneration barrier.
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Affiliation(s)
- Jae Woon Lim
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
| | - Kyoung Je Jang
- Division of Agro-System Engineering, Gyeongsang National University, Jinju 52828, Korea;
| | - Hyunmok Son
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
| | - Sangbae Park
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
| | - Jae Eun Kim
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
| | - Hong Bae Kim
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
| | - Hoon Seonwoo
- Department of Industrial Machinery Engineering, College of Life Science and Natural Resources, Sunchon National University, Sunchon 57922, Korea;
| | - Yun Hoon Choung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Korea;
- Bk21 Plus Research Center for Biomedical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Korea
| | - Myung Chul Lee
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
- Correspondence: (M.C.L.); (J.H.C.)
| | - Jong Hoon Chung
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.W.L.); (H.S.); (S.P.); (J.E.K.); (H.B.K.)
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
- Correspondence: (M.C.L.); (J.H.C.)
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Priester C, MacDonald A, Dhar M, Bow A. Examining the Characteristics and Applications of Mesenchymal, Induced Pluripotent, and Embryonic Stem Cells for Tissue Engineering Approaches across the Germ Layers. Pharmaceuticals (Basel) 2020; 13:E344. [PMID: 33114710 PMCID: PMC7692540 DOI: 10.3390/ph13110344] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/15/2020] [Accepted: 10/20/2020] [Indexed: 12/13/2022] Open
Abstract
The field of regenerative medicine utilizes a wide array of technologies and techniques for repairing and restoring function to damaged tissues. Among these, stem cells offer one of the most potent and promising biological tools to facilitate such goals. Implementation of mesenchymal stem cells (MSCs), induced pluripotent stem cells (iPSCs), and embryonic stem cells (ESCs) offer varying advantages based on availability and efficacy in the target tissue. The focus of this review is to discuss characteristics of these three subset stem cell populations and examine their utility in tissue engineering. In particular, the development of therapeutics that utilize cell-based approaches, divided by germinal layer to further assess research targeting specific tissues of the mesoderm, ectoderm, and endoderm. The combinatorial application of MSCs, iPSCs, and ESCs with natural and synthetic scaffold technologies can enhance the reparative capacity and survival of implanted cells. Continued efforts to generate more standardized approaches for these cells may provide improved study-to-study variations on implementation, thereby increasing the clinical translatability of cell-based therapeutics. Coupling clinically translatable research with commercially oriented methods offers the potential to drastically advance medical treatments for multiple diseases and injuries, improving the quality of life for many individuals.
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Affiliation(s)
- Caitlin Priester
- Department of Animal Science, University of Tennessee, Knoxville, TN 37998, USA;
| | - Amber MacDonald
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, 2407 River Drive, Knoxville, TN 37996, USA; (A.M.); (M.D.)
| | - Madhu Dhar
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, 2407 River Drive, Knoxville, TN 37996, USA; (A.M.); (M.D.)
| | - Austin Bow
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, 2407 River Drive, Knoxville, TN 37996, USA; (A.M.); (M.D.)
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Li H, Xia P, Pan S, Qi Z, Fu C, Yu Z, Kong W, Chang Y, Wang K, Wu D, Yang X. The Advances of Ceria Nanoparticles for Biomedical Applications in Orthopaedics. Int J Nanomedicine 2020; 15:7199-7214. [PMID: 33061376 PMCID: PMC7535115 DOI: 10.2147/ijn.s270229] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 08/10/2020] [Indexed: 12/19/2022] Open
Abstract
The ongoing biomedical nanotechnology has intrigued increasingly intense interests in cerium oxide nanoparticles, ceria nanoparticles or nano-ceria (CeO2-NPs). Their remarkable vacancy-oxygen defect (VO) facilitates the redox process and catalytic activity. The verification has illustrated that CeO2-NPs, a nanozyme based on inorganic nanoparticles, can achieve the anti-inflammatory effect, cancer resistance, and angiogenesis. Also, they can well complement other materials in tissue engineering (TE). Pertinent to the properties of CeO2-NPs and the pragmatic biosynthesis methods, this review will emphasize the recent application of CeO2-NPs to orthopedic biomedicine, in particular, the bone tissue engineering (BTE). The presentation, assessment, and outlook of the orthopedic potential and shortcomings of CeO2-NPs in this review expect to provide reference values for the future research and development of therapeutic agents based on CeO2-NPs.
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Affiliation(s)
- Hongru Li
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Peng Xia
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Su Pan
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Zhiping Qi
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Chuan Fu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Ziyuan Yu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Weijian Kong
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Yuxin Chang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Kai Wang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Dankai Wu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
| | - Xiaoyu Yang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130041, People's Republic of China
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Collagen Scaffolds Containing Hydroxyapatite-CaO Fiber Fragments for Bone Tissue Engineering. Polymers (Basel) 2020; 12:polym12051174. [PMID: 32443795 PMCID: PMC7284761 DOI: 10.3390/polym12051174] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/14/2020] [Accepted: 05/18/2020] [Indexed: 01/19/2023] Open
Abstract
Collagen (COL) and hydroxyapatite (HAp) are the major components of bone, therefore, COL-HAp composites have been widely used as bone substitutes to promote bone regeneration. We have reported that HAp-CaO fibers (HANFs), which were fabricated by a sol-gel route followed by an electrospinning technique, possessed good drug-loading efficiency and limited the burst release of tetracycline. In the present study, we used HANF fragments to evaluate the effects of COL-HANF scaffolds on MG63 osteoblast-like cell behaviors. COL-HANF composite scaffolds in which the average diameter of HANFs was approximately 461 ± 186 nm were fabricated by a freeze-drying process. The alkaline phosphatase activity and the protein expression levels of OCN and BSP showed that compared with COL alone, the COL-HANF scaffold promoted the differentiation of MG63 osteoblast-like cells. In addition, the bone regeneration ability of the COL-HANF scaffold was examined by using a rabbit condylar defect model in vivo. The COL-HANF scaffold was biodegradable and promoted bone regeneration eight weeks after the operation. Hence, we concluded that the COL-HANF scaffold has potential as a bone graft for bone tissue engineering.
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Ferreira Júnior LH, Dos Reis DC, Batista JD, Filice LDS, Dechichi P, Rocha FS. Hyberbaric oxygen and bone reconstruction. MINERVA STOMATOLOGICA 2020; 69:119-125. [PMID: 32181611 DOI: 10.23736/s0026-4970.20.04292-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION The aim of this literature review was to determine the benefits of hyperbaric oxygen therapy after bone reconstruction procedures in humans and identify information that may be useful for the development of optimal protocols for hyperbaric oxygen therapy to stimulate bone healing. EVIDENCE ACQUISITION We searched the electronic database PubMed/Medline for studies published between January 1999 and December 2018, using the key words: "bone" or "bone graft" and "mandible reconstruction" or "jaw reconstruction" and "hyperbaric oxygen" or "HBO." First, the titles and abstracts of the studies found were evaluated and those that corresponded to the aims of this review were pre-selected for analysis of the full text. Subsequently, the full texts were analyzed, and those that met the eligibility criteria were pre-selected for the review. The full texts of studies whose abstracts did not provide enough data for decision were also evaluated. Two examiners independently assessed eligibility, risk of bias and extracted data. EVIDENCE SYNTHESIS A total of 2237 studies were found according to pre-established criteria for data collection, of which only 5 studies were included in this systematic review. Although we observed positive results in the included studies, there are still few standardized clinical studies in the literature, assessing hyperbaric oxygen therapy after extensive bone reconstructive procedures. CONCLUSIONS It is difficult to compare results found in different studies due to the variety of methodological and clinical conditions assessed.
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Affiliation(s)
| | - Danyella C Dos Reis
- School of Dentistry, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Jonas D Batista
- Department of Oral and Maxillofacial Surgery, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Letícia de S Filice
- Department of Medicine, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Paula Dechichi
- Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | - Flaviana S Rocha
- Department of Oral and Maxillofacial Surgery, Federal University of Uberlândia, Uberlândia, MG, Brazil -
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Witzler M, Büchner D, Shoushrah SH, Babczyk P, Baranova J, Witzleben S, Tobiasch E, Schulze M. Polysaccharide-Based Systems for Targeted Stem Cell Differentiation and Bone Regeneration. Biomolecules 2019; 9:E840. [PMID: 31817802 PMCID: PMC6995597 DOI: 10.3390/biom9120840] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/22/2019] [Accepted: 12/03/2019] [Indexed: 02/07/2023] Open
Abstract
Bone tissue engineering is an ever-changing, rapidly evolving, and highly interdisciplinary field of study, where scientists try to mimic natural bone structure as closely as possible in order to facilitate bone healing. New insights from cell biology, specifically from mesenchymal stem cell differentiation and signaling, lead to new approaches in bone regeneration. Novel scaffold and drug release materials based on polysaccharides gain increasing attention due to their wide availability and good biocompatibility to be used as hydrogels and/or hybrid components for drug release and tissue engineering. This article reviews the current state of the art, recent developments, and future perspectives in polysaccharide-based systems used for bone regeneration.
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Affiliation(s)
- Markus Witzler
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Dominik Büchner
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Sarah Hani Shoushrah
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Patrick Babczyk
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Juliana Baranova
- Laboratory of Neurosciences, Department of Biochemistry, Institute of Chemistry–USP, University of São Paulo, Avenida Professor Lineu Prestes 748, Vila Universitaria, São Paulo, SP 05508-000, Brazil;
| | - Steffen Witzleben
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Edda Tobiasch
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
| | - Margit Schulze
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany; (M.W.); (D.B.); (S.H.S.); (P.B.); (S.W.); (E.T.)
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