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Ferrari M, Taboni S, Chan HHL, Townson J, Gualtieri T, Franz L, Ruaro A, Mathews S, Daly MJ, Douglas CM, Eu D, Sahovaler A, Muhanna N, Ventura M, Dey K, Pandini S, Pasini C, Re F, Bernardi S, Bosio K, Mattavelli D, Doglietto F, Joshi S, Gilbert RW, Nicolai P, Viswanathan S, Sartore L, Russo D, Irish JC. Hydrogel-chitosan and polylactic acid-polycaprolactone bioengineered scaffolds for reconstruction of mandibular defects: a preclinical in vivo study with assessment of translationally relevant aspects. Front Bioeng Biotechnol 2024; 12:1353523. [PMID: 39076208 PMCID: PMC11284118 DOI: 10.3389/fbioe.2024.1353523] [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: 12/20/2023] [Accepted: 06/10/2024] [Indexed: 07/31/2024] Open
Abstract
Background: Reconstruction of mandibular bone defects is a surgical challenge, and microvascular reconstruction is the current gold standard. The field of tissue bioengineering has been providing an increasing number of alternative strategies for bone reconstruction. Methods: In this preclinical study, the performance of two bioengineered scaffolds, a hydrogel made of polyethylene glycol-chitosan (HyCh) and a hybrid core-shell combination of poly (L-lactic acid)/poly ( ε -caprolactone) and HyCh (PLA-PCL-HyCh), seeded with different concentrations of human mesenchymal stromal cells (hMSCs), has been explored in non-critical size mandibular defects in a rabbit model. The bone regenerative properties of the bioengineered scaffolds were analyzed by in vivo radiological examinations and ex vivo radiological, histomorphological, and immunohistochemical analyses. Results: The relative density increase (RDI) was significantly more pronounced in defects where a scaffold was placed, particularly if seeded with hMSCs. The immunohistochemical profile showed significantly higher expression of both VEGF-A and osteopontin in defects reconstructed with scaffolds. Native microarchitectural characteristics were not demonstrated in any experimental group. Conclusion: Herein, we demonstrate that bone regeneration can be boosted by scaffold- and seeded scaffold-reconstruction, achieving, respectively, 50% and 70% restoration of presurgical bone density in 120 days, compared to 40% restoration seen in spontaneous regeneration. Although optimization of the regenerative performance is needed, these results will help to establish a baseline reference for future experiments.
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Affiliation(s)
- Marco Ferrari
- Guided Therapeutics (GTx) Program International Scholarship, University Health Network (UHN), Toronto, ON, Canada
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
- Unit of Otorhinolaryngology-Head and Neck Surgery, Azienda Ospedale-Università di Padova, Padova, Italy
| | - Stefano Taboni
- Guided Therapeutics (GTx) Program International Scholarship, University Health Network (UHN), Toronto, ON, Canada
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
- Unit of Otorhinolaryngology-Head and Neck Surgery, Azienda Ospedale-Università di Padova, Padova, Italy
- Artificial Intelligence in Medicine and Innovation in Clinical Research and Methodology (PhD Program), Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Harley H. L. Chan
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
| | - Jason Townson
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
| | - Tommaso Gualtieri
- Guided Therapeutics (GTx) Program International Scholarship, University Health Network (UHN), Toronto, ON, Canada
- Department of Otorhinolaryngology, Head & Neck Surgery, Nuovo Santo Stefano Civil Hospital, Prato, Italy
| | - Leonardo Franz
- Guided Therapeutics (GTx) Program International Scholarship, University Health Network (UHN), Toronto, ON, Canada
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
| | - Alessandra Ruaro
- Guided Therapeutics (GTx) Program International Scholarship, University Health Network (UHN), Toronto, ON, Canada
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
- Unit of Otorhinolaryngology-Head and Neck Surgery, Azienda Ospedale-Università di Padova, Padova, Italy
| | - Smitha Mathews
- Osteoarthritis Program, Schroeder Arthritis Institute, Krembil Research Institute, Institute of Biomedical Engineering, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Michael J. Daly
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
| | - Catriona M. Douglas
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
- Princess Margaret Cancer Centre, Toronto General Hospital, Department of Otolaryngology-Head and Neck Surgery/Surgical Oncology, University Health Network, Toronto, ON, Canada
- Department of Otolaryngology, Head and Neck Surgery, Queen Elizabeth University Hospital, Glasgow, United Kingdom
| | - Donovan Eu
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
- Princess Margaret Cancer Centre, Toronto General Hospital, Department of Otolaryngology-Head and Neck Surgery/Surgical Oncology, University Health Network, Toronto, ON, Canada
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, Singapore, Singapore
| | - Axel Sahovaler
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
- Princess Margaret Cancer Centre, Toronto General Hospital, Department of Otolaryngology-Head and Neck Surgery/Surgical Oncology, University Health Network, Toronto, ON, Canada
- Head & Neck Surgery Unit, University College London Hospitals, London, United Kingdom
| | - Nidal Muhanna
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
- Department of Otolaryngology-Head and Neck Surgery, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Manuela Ventura
- STTARR Innovation Centre, University Health Network, Toronto, ON, Canada
- Human Technopole Foundation, Milan, Italy
| | - Kamol Dey
- Department of Mechanical and Industrial Engineering, University of Brescia Via Branze, Brescia, Italy
- Department of Applied Chemistry and Chemical Engineering, Faculty of Science, University of Chittagong, Chittagong, Bangladesh
| | - Stefano Pandini
- Department of Mechanical and Industrial Engineering, University of Brescia Via Branze, Brescia, Italy
| | - Chiara Pasini
- Department of Mechanical and Industrial Engineering, University of Brescia Via Branze, Brescia, Italy
| | - Federica Re
- Unit of Blood Diseases and Bone Marrow Transplantation, Department of Clinical and Experimental Sciences, ASST Spedali Civili, University of Brescia, Brescia, Italy
- Centro di Ricerca Emato-Oncologica AIL (CREA), ASST Spedali Civili, Brescia, Italy
| | - Simona Bernardi
- Unit of Blood Diseases and Bone Marrow Transplantation, Department of Clinical and Experimental Sciences, ASST Spedali Civili, University of Brescia, Brescia, Italy
- Centro di Ricerca Emato-Oncologica AIL (CREA), ASST Spedali Civili, Brescia, Italy
| | - Katia Bosio
- Unit of Blood Diseases and Bone Marrow Transplantation, Department of Clinical and Experimental Sciences, ASST Spedali Civili, University of Brescia, Brescia, Italy
- Centro di Ricerca Emato-Oncologica AIL (CREA), ASST Spedali Civili, Brescia, Italy
| | - Davide Mattavelli
- Unit of Otorhinolaryngology-Head and Neck Surgery, ASST Spedali Civili of Brescia, Brescia, Italy
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
| | - Francesco Doglietto
- Neurosurgery Unit, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy
- Catholic University School of Medicine, Rome, Italy
| | - Shrinidh Joshi
- Osteoarthritis Program, Schroeder Arthritis Institute, Krembil Research Institute, Institute of Biomedical Engineering, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Ralph W. Gilbert
- Princess Margaret Cancer Centre, Toronto General Hospital, Department of Otolaryngology-Head and Neck Surgery/Surgical Oncology, University Health Network, Toronto, ON, Canada
| | - Piero Nicolai
- Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, University of Padua, Padua, Italy
- Unit of Otorhinolaryngology-Head and Neck Surgery, Azienda Ospedale-Università di Padova, Padova, Italy
| | - Sowmya Viswanathan
- Osteoarthritis Program, Schroeder Arthritis Institute, Krembil Research Institute, Institute of Biomedical Engineering, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Luciana Sartore
- Department of Mechanical and Industrial Engineering, University of Brescia Via Branze, Brescia, Italy
| | - Domenico Russo
- Unit of Blood Diseases and Bone Marrow Transplantation, Department of Clinical and Experimental Sciences, ASST Spedali Civili, University of Brescia, Brescia, Italy
| | - Jonathan C. Irish
- Guided Therapeutics (GTx) Program, Techna Institute, University Health Network, Toronto, ON, Canada
- Princess Margaret Cancer Centre, Toronto General Hospital, Department of Otolaryngology-Head and Neck Surgery/Surgical Oncology, University Health Network, Toronto, ON, Canada
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Llorente JJ, Junquera L, Gallego L, Pérez-Basterrechea M, Suárez LI, Llorente S. Design, In Vitro Evaluation and In Vivo Biocompatibility of Additive Manufacturing Three-Dimensional Printing of β beta-Tricalcium Phosphate Scaffolds for Bone Regeneration. Biomedicines 2024; 12:1049. [PMID: 38791011 PMCID: PMC11118782 DOI: 10.3390/biomedicines12051049] [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: 03/26/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
The reconstruction of bone deficiencies remains a challenge due to the limitations of autologous bone grafting. The objective of this study is to evaluate the bone regeneration efficacy of additive manufacturing of tricalcium phosphate (TCP) implants using lithography-based ceramic manufacturing (LCM). LCM uses LithaBone TCP 300 slurry for 3D printing, producing cylindrical scaffolds. Four models of internal scaffold geometry were developed and compared. The in vitro studies included cell culture, differentiation, seeding, morphological studies and detection of early osteogenesis. The in vivo studies involved 42 Wistar rats divided into four groups (control, membrane, scaffold (TCP) and membrane with TCP). In each animal, unilateral right mandibular defects with a total thickness of 5 mm were surgically performed. The animals were sacrificed 3 and 6 months after surgery. Bone neoformation was evaluated by conventional histology, radiology, and micro-CT. Model A (spheres with intersecting and aligned arrays) showed higher penetration and interconnection. Histological and radiological analysis by micro-CT revealed increased bone formation in the grafted groups, especially when combined with a membrane. Our innovative 3D printing technology, combined with precise scaffold design and efficient cleaning, shows potential for bone regeneration. However, further refinement of the technique and long-term clinical studies are crucial to establish the safety and efficacy of these advanced 3D printed scaffolds in human patients.
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Affiliation(s)
| | - Luis Junquera
- Department of Surgery, University of Oviedo, 33006 Oviedo, Spain;
- Department of Oral and Maxillofacial Surgery, Central University Hospital, 33011 Oviedo, Spain
| | - Lorena Gallego
- Department of Surgery, University of Oviedo, 33006 Oviedo, Spain;
- Department of Oral and Maxillofacial Surgery, Cabueñes University Hospital, 33394 Gijón, Spain
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Nugraha AP, Narmada IB, Winoto ER, Ardani IGAW, Triwardhani A, Alida A, Pramusita A, Nur RM, Indrastie N, Nam HY, Ihsan IS, Riawan W, Rantam FA, Nugraha AP, Noor TNEBTA. Gingiva Mesenchymal Stem Cells Normoxic or Hypoxic Preconditioned Application Under Orthodontic Mechanical Force on Osterix, Osteopontin, and ALP Expression. Eur J Dent 2024; 18:501-509. [PMID: 37995729 PMCID: PMC11132784 DOI: 10.1055/s-0043-1772699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023] Open
Abstract
OBJECTIVES The aim of this article was to investigate Osterix, ALP, and osteopontin expression in the compression and tension sides of alveolar bone after the application of normoxic/hypoxic-preconditioned GMSCs in rabbits (Oryctolagus cuniculus) induced with OMF. MATERIALS AND METHODS Forty-eight healthy, young male rabbits were divided into four groups: [-] OMF; [+] OMF; OMF with GMSCs normoxic-preconditioned; and OMF and GMSCs hypoxic-preconditioned. The central incisor and left mandibular molar in the experimental animals were moved, the mandibular first molar was moved mesially using nickel titanium (NiTi) and stainless steel ligature wire connected to a 50 g/mm2 light force closed coil spring. Allogeneic application of normoxic or hypoxic-preconditioned GMSCs was used in as many as 106 cells in a 20 µL phosphate buffered saline single dose and injected into experimental animals' gingiva after 1 day of OTM. On days 7, 14, and 28, all experimental animals were euthanized. Osterix, ALP, and osteopontin expressions were examined by immunohistochemistry. RESULTS Osterix, ALP, and osteopontin expressions were significantly different after allogeneic application of hypoxic-preconditioned GMSCs than normoxic-preconditioned GMSCs in the tension and compression of the alveolar bone side during OMF (p < 0.05). CONCLUSION Osterix, ALP, and osteopontin expressions were significantly more enhanced post-transplantation of GMSCs with hypoxic-preconditioning than after transplantation of normoxic-preconditioned GMSCs in rabbits (O. cuniculus) induced with OMF.
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Affiliation(s)
- Alexander Patera Nugraha
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Ida Bagus Narmada
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Ervina Restiwulan Winoto
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - I Gusti Aju Wahju Ardani
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Ari Triwardhani
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Alida Alida
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Adya Pramusita
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Reyhan Mahendra Nur
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Nuraini Indrastie
- Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Hui Yin Nam
- Nanotechnology and Catalysis Research Centre (NANOCAT), Universiti Malaya, Kuala Lumpur, Malaysia
- Tissue Engineering Group, Department of Orthopaedic Surgery (NOCERAL), Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Igo Syaiful Ihsan
- Stem Cell Research and Development Center, Universitas Airlangga, Surabaya, Indonesia
| | - Wibi Riawan
- Biomolecular Biochemistry, Faculty of Medicine, Universitas Brawijaya, Malang, Indonesia
| | - Fedik Abdul Rantam
- Laboratory of Immunology and Virology Department of Microbiology, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
| | | | - Tengku Natasha Eleena binti Tengku Ahmad Noor
- Membership of Faculty of Dental Surgery, Royal Collage of Surgeon, Edinburgh University, United Kingdom
- Malaysian Armed Forces Dental Officer, 609 Armed Forces Dental Clinic, Kem Semenggo, Kuching, Sarawak, Malaysia
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Wang Y, Liu C, Song T, Cao Z, Wang T. 3D printed polycaprolactone/β-tricalcium phosphate/carbon nanotube composite - Physical properties and biocompatibility. Heliyon 2024; 10:e26071. [PMID: 38468962 PMCID: PMC10925999 DOI: 10.1016/j.heliyon.2024.e26071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/30/2024] [Accepted: 02/07/2024] [Indexed: 03/13/2024] Open
Abstract
Three-dimensional (3D) printing is a bio-fabrication technique used to process tissue-engineered scaffolds for bone repair and remodeling. Polycaprolactone (PCL)/β-tricalcium phosphate (TCP) has been used as a base and osteoconductive biomaterial for bone tissue engineering in the past decades. The current study reveals the fabrication of a polycaprolactone (PCL)/β-tricalcium phosphate (TCP) scaffold by incorporating carbon nanotubes (CNT) via 3D printing. The physical properties and cytocompatibility of a new type of tissue engineering composite from polycaprolactone/β-tri-calcium phosphate/carbon nanotubes were investigated, and it was an absorbable scaffold prepared via furnace deposition 3D printing technology. The scaffold was designed with CAD software, and the composite material was fabricated via 3D printing. The printed composite material was tested for mechanical strength, scanning electron microscope (SEM) analysis, porosity calculation, systemic toxicity test, hemolysis rate determination, and effect on the proliferation of rat adipose-derived stem cells cultured in vitro. A composite scaffold with a length of 15 mm, width of 10 mm, and height of 5 mm was manufactured through CAD software drawing and 3D printing technology. Scanning electron microscopy measurements and analysis of the internal pore size of the stent are appropriate; the pores are interconnected, and the mechanical strength matches the strength of human cancellous bone. The calculated porosity of the stent was >60%, non-toxic, and non-hemolytic. The proliferation activity of the ADSC co-cultured with different scaffold materials was as follows: polycaprolactone/β-tricalcium phosphate/0.2% carbon nanotube scaffolds > polycaprolactone/β-tricalcium phosphate/0.1% carbon nanotube scaffolds > polycaprolactone/β-tricalcium phosphate/0.3% carbon nanotube scaffolds > polycaprolactone/β-tricalcium phosphate scaffolds (P < 0.05). The results showed that polycaprolactone/β-tricalcium phosphate/0.2% carbon nanotube scaffolds promoted the adhesion and proliferation of ADSC. The combination of 3D printing technology and CAD software can be used to print personalized composite stents, which have the characteristics of repeatability, high precision, and low cost. Through 3D printing technology, combining a variety of materials with each other can provide the greatest advantages of materials. The waste of resources was avoided. The prepared polycaprolactone/β-tri-calcium phosphate/0.2% carbon nanotube scaffold has a good pore structure and mechanical properties that mimic human cancellous bone, is non-toxic and non-hemolytic, and is effective in promoting ADSC proliferation in vitro. Given this correspondence, 3D printed scaffold shows good biocompatibility and strength, and the fabrication method provides a proof of concept for developing scaffolds for bone tissue engineering applications.
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Affiliation(s)
- Yuelei Wang
- The Affiliated Hospital of Qingdao University, Shinan District, Qingdao, 266005, China
| | - Chenjing Liu
- Yantai Yuhuangding Hospital, Zhifu District, Yantai, Shandong, 264008, China
| | - Tao Song
- Shunde Hospital of Southern Medical University, Shunde District, Foshan, Guangdong, 528000, China
| | - Zhenlu Cao
- Shunde Hospital of Southern Medical University, Shunde District, Foshan, Guangdong, 528000, China
| | - Ting Wang
- The Affiliated Hospital of Qingdao University, Shinan District, Qingdao, 266005, China
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Petersen LLK, Dursun MD, Madsen G, Le DQS, Möller S, Qvist N, Ellebæk MB. Poly-ϵ-caprolactone scaffold as staple-line reinforcement of rectal anastomosis: an experimental piglet study. BMC Gastroenterol 2024; 24:112. [PMID: 38491416 PMCID: PMC10943786 DOI: 10.1186/s12876-024-03202-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 03/11/2024] [Indexed: 03/18/2024] Open
Abstract
PURPOSE Rectal anastomoses have a persisting high incidence of anastomotic leakage. This study aimed to assess whether the use of a poly-ϵ-caprolactone (PCL) scaffold as reinforcement of a circular stapled rectal anastomosis could increase tensile strength and improve healing compared to a control in a piglet model. METHOD Twenty weaned female piglets received a stapled rectal anastomosis and were randomised to either reinforcement with PCL scaffold (intervention) or no reinforcement (control). On postoperative day five the anastomosis was subjected to a tensile strength test followed by a histological examination to evaluate the wound healing according to the Verhofstad scoring. RESULTS The tensile strength test showed no significant difference between the two groups, but histological evaluation revealed significant impaired wound healing in the intervention group. CONCLUSION The incorporation of a PCL scaffold into a circular stapled rectal anastomosis did not increase anastomotic tensile strength in piglets and indicated an impaired histologically assessed wound healing.
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Affiliation(s)
- Laura Lovisa Køtlum Petersen
- Research Unit of Surgery, Odense University Hospital, Odense, Denmark
- University of Southern Denmark, Odense, Denmark
| | - Martin Dennis Dursun
- Research Unit of Surgery, Odense University Hospital, Odense, Denmark.
- University of Southern Denmark, Odense, Denmark.
| | - Gunvor Madsen
- Research Unit of Pathology, Odense University Hospital, Odense, Denmark
| | | | - Sören Möller
- Open Patient data Explorative Network, Department of Clinical Research, Odense University Hospital and Research unit OPEN, University of Southern Denmark, Odense, Denmark
| | - Niels Qvist
- Research Unit of Surgery, Odense University Hospital, Odense, Denmark
- University of Southern Denmark, Odense, Denmark
| | - Mark Bremholm Ellebæk
- Research Unit of Surgery, Odense University Hospital, Odense, Denmark
- University of Southern Denmark, Odense, Denmark
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Valamvanos TF, Dereka X, Katifelis H, Gazouli M, Lagopati N. Recent Advances in Scaffolds for Guided Bone Regeneration. Biomimetics (Basel) 2024; 9:153. [PMID: 38534838 DOI: 10.3390/biomimetics9030153] [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: 02/04/2024] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/28/2024] Open
Abstract
The rehabilitation of alveolar bone defects of moderate to severe size is often challenging. Currently, the therapeutic approaches used include, among others, the guided bone regeneration technique combined with various bone grafts. Although these techniques are widely applied, several limitations and complications have been reported such as morbidity, suboptimal graft/membrane resorption rate, low structural integrity, and dimensional stability. Thus, the development of biomimetic scaffolds with tailor-made characteristics that can modulate cell and tissue interaction may be a promising tool. This article presents a critical consideration in scaffold's design and development while also providing information on various fabrication methods of these nanosystems. Their utilization as delivery systems will also be mentioned.
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Affiliation(s)
- Theodoros-Filippos Valamvanos
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Xanthippi Dereka
- Department of Periodontology, School of Dentistry, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Hector Katifelis
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Maria Gazouli
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
- School of Science and Technology, Hellenic Open University, 26335 Patra, Greece
| | - Nefeli Lagopati
- Laboratory of Biology, Department of Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
- Greece Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece
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Rodríguez-Martín M, Aguilar JM, Castro-Criado D, Romero A. Characterization of Gelatin-Polycaprolactone Membranes by Electrospinning. Biomimetics (Basel) 2024; 9:70. [PMID: 38392116 PMCID: PMC10887028 DOI: 10.3390/biomimetics9020070] [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: 01/01/2024] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
New advances in materials science and medicine have enabled the development of new and increasingly sophisticated biomaterials. One of the most widely used biopolymers is polycaprolactone (PCL) because it has properties suitable for biomedical applications, tissue engineering scaffolds, or drug delivery systems. However, PCL scaffolds do not have adequate bioactivity, and therefore, alternatives have been studied, such as mixing PCL with bioactive polymers such as gelatin, to promote cell growth. Thus, this work will deal with the fabrication of nanofiber membranes by means of the electrospinning technique using PCL-based solutions (12 wt.% and 20 wt.%) and PCL with gelatin (12 wt.% and 8 wt.%, respectively). Formic acid and acetic acid, as well as mixtures of both in different proportions, have been used to prepare the preliminary solutions, thus supporting the electrospinning process by controlling the viscosity of the solutions and, therefore, the size and uniformity of the fibers. The physical properties of the solutions and the morphological, mechanical, and thermal properties of the membranes were evaluated. Results demonstrate that it is possible to achieve the determined properties of the samples with an appropriate selection of polymer concentrations as well as solvents.
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Affiliation(s)
- Manuel Rodríguez-Martín
- Department of Chemical Engineering, Faculty of Chemistry, University of Seville, 41012 Seville, Spain
| | - José Manuel Aguilar
- Department of Chemical Engineering, Faculty of Chemistry, University of Seville, 41012 Seville, Spain
| | - Daniel Castro-Criado
- Department of Chemical Engineering, Faculty of Chemistry, University of Seville, 41012 Seville, Spain
| | - Alberto Romero
- Department of Chemical Engineering, Faculty of Chemistry, University of Seville, 41012 Seville, Spain
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Kadkhoda Z, Motie P, Rad MR, Mohaghegh S, Kouhestani F, Motamedian SR. Comparison of Periodontal Ligament Stem Cells with Mesenchymal Stem Cells from Other Sources: A Scoping Systematic Review of In vitro and In vivo Studies. Curr Stem Cell Res Ther 2024; 19:497-522. [PMID: 36397622 DOI: 10.2174/1574888x17666220429123319] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/31/2021] [Accepted: 03/11/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The application of stem cells in regenerative medicine depends on their biological properties. This scoping review aimed to compare the features of periodontal ligament stem cells (PDLSSCs) with stem cells derived from other sources. DESIGN An electronic search in PubMed/Medline, Embase, Scopus, Google Scholar and Science Direct was conducted to identify in vitro and in vivo studies limited to English language. RESULTS Overall, 65 articles were included. Most comparisons were made between bone marrow stem cells (BMSCs) and PDLSCs. BMSCs were found to have lower proliferation and higher osteogenesis potential in vitro and in vivo than PDLSCs; on the contrary, dental follicle stem cells and umbilical cord mesenchymal stem cells (UCMSCs) had a higher proliferative ability and lower osteogenesis than PDLSCs. Moreover, UCMSCs exhibited a higher apoptotic rate, hTERT expression, and relative telomerase length. The immunomodulatory function of adipose-derived stem cells and BMSCs was comparable to PDLSCs. Gingival mesenchymal stem cells showed less sensitivity to long-term culture. Both pure and mixed gingival cells had lower osteogenic ability compared to PDLSCs. Comparison of dental pulp stem cells (DPSCs) with PDLSCs regarding proliferation rate, osteo/adipogenesis, and immunomodulatory properties was contradictory; however, in vivo bone formation of DPSCs seemed to be lower than PDLSCs. CONCLUSION In light of the performed comparative studies, PDLSCs showed comparable results to stem cells derived from other sources; however, further in vivo studies are needed to determine the actual pros and cons of stem cells in comparison to each other.
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Affiliation(s)
- Zeinab Kadkhoda
- Department of Periodontology, School of Dentistry, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Parisa Motie
- Student Research Committee, School of Dentistry, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Maryam Rezaei Rad
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sadra Mohaghegh
- Student Research Committee, School of Dentistry, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Farnaz Kouhestani
- Department of Periodontics, School of Dentistry, Bushehr University of Medical Sciences, Tehran, Iran
| | - Saeed Reza Motamedian
- Dentofacial Deformities Research Center, Research Institute of Dental Sciences, Department of Orthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Bai X, Cao R, Wu D, Zhang H, Yang F, Wang L. Dental Pulp Stem Cells for Bone Tissue Engineering: A Literature Review. Stem Cells Int 2023; 2023:7357179. [PMID: 37868704 PMCID: PMC10586346 DOI: 10.1155/2023/7357179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/03/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
Bone tissue engineering (BTE) is a promising approach for repairing and regenerating damaged bone tissue, using stem cells and scaffold structures. Among various stem cell sources, dental pulp stem cells (DPSCs) have emerged as a potential candidate due to their multipotential capabilities, ability to undergo osteogenic differentiation, low immunogenicity, and ease of isolation. This article reviews the biological characteristics of DPSCs, their potential for BTE, and the underlying transcription factors and signaling pathways involved in osteogenic differentiation; it also highlights the application of DPSCs in inducing scaffold tissues for bone regeneration and summarizes animal and clinical studies conducted in this field. This review demonstrates the potential of DPSC-based BTE for effective bone repair and regeneration, with implications for clinical translation.
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Affiliation(s)
- Xiaolei Bai
- Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
| | - Ruijue Cao
- Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
| | - Danni Wu
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
| | - Huicong Zhang
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
| | - Fan Yang
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
| | - Linhong Wang
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310018, Zhejiang, China
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10
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Bone Sialoprotein Immobilized in Collagen Type I Enhances Angiogenesis In Vitro and In Ovo. Polymers (Basel) 2023; 15:polym15041007. [PMID: 36850289 PMCID: PMC9968013 DOI: 10.3390/polym15041007] [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: 12/19/2022] [Revised: 01/24/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Bone fracture healing is a multistep process, including early immunological reactions, osteogenesis, and as a key factor, angiogenesis. Molecules inducing osteogenesis as well as angiogenesis are rare, but hold promise to be employed in bone tissue engineering. It has been demonstrated that the bone sialoprotein (BSP) can induce bone formation when immobilized in collagen type I, but its effect on angiogenesis still has to be characterized in detail. Therefore, the aim of this study was to analyse the effects of BSP immobilized in a collagen type I gel on angiogenesis. First, in vitro analyses with endothelial cells (HUVECs) were performed detecting enhancing effects of BSP on proliferation and gene expression of endothelial markers. A spheroid model was employed confirming these results. Finally, the inducing impact of BSP-collagen on vascular density was proved in a yolk sac membrane assay. Our results demonstrate that BSP is capable of inducing angiogenesis and confirm that collagen type I is the optimal carrier for this protein. Taking into account former results, and literature showing that BSP also induces osteogenesis, one can hypothesize that BSP couples angiogenesis and osteogenesis, making it a promising molecule to be used in bone tissue regeneration.
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11
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Valipour F, Valioğlu F, Rahbarghazi R, Navali AM, Rashidi MR, Davaran S. Thermosensitive and biodegradable PCL-based hydrogels: potential scaffolds for cartilage tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:695-714. [PMID: 36745508 DOI: 10.1080/09205063.2022.2088530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Due to a lack of sufficient blood supply and unique physicochemical properties, the treatment of injured cartilage is laborious and needs an efficient strategy. Unfortunately, most of the current therapeutic approaches are, but not completely, unable to restore the function of injured cartilage. Tissue engineering-based modalities are an alternative option to reconstruct the injured tissue. Considering the unique structure and consistency of cartilage tissue (osteochondral junction), it is mandatory to apply distinct biomaterials with unique properties slightly different from scaffolds used for soft tissues. PCL is extensively used for the fabrication of fine therapeutic scaffolds to accelerate the restorative process. Thermosensitive PCL hydrogels with distinct chemical compositions have paved the way for sophisticated cartilage regeneration. This review aimed to collect recent findings regarding the application of PCL in hydrogels blended with natural, synthetic materials in the context of cartilage healing.
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Affiliation(s)
- Fereshteh Valipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Applied Drug Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ferzane Valioğlu
- Department of Molecular Biology, Faculty of Science, Hacettepe University, Ankara, Turkey
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mohammad Reza Rashidi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Applied Drug Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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12
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Advances in the One-Step Approach of Polymeric Materials Using Enzymatic Techniques. Polymers (Basel) 2023; 15:polym15030703. [PMID: 36772002 PMCID: PMC9922006 DOI: 10.3390/polym15030703] [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: 12/27/2022] [Revised: 01/23/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023] Open
Abstract
The formulation in which biochemical enzymes are administered in polymer science plays a key role in retaining their catalytic activity. The one-step synthesis of polymers with highly sequence-controlled enzymes is a strategy employed to provide enzymes with higher catalytic activity and thermostability in material sustainability. Enzyme-catalyzed chain growth polymerization reactions using activated monomers, protein-polymer complexation techniques, covalent and non-covalent interaction, and electrostatic interactions can provide means to develop formulations that maintain the stability of the enzyme during complex material processes. Multifarious applications of catalytic enzymes are usually attributed to their efficiency, pH, and temperature, thus, progressing with a critical structure-controlled synthesis of polymer materials. Due to the obvious economics of manufacturing and environmental sustainability, the green synthesis of enzyme-catalyzed materials has attracted significant interest. Several enzymes from microorganisms and plants via enzyme-mediated material synthesis have provided a viable alternative for the appropriate synthesis of polymers, effectively utilizing the one-step approach. This review analyzes more and deeper strategies and material technologies widely used in multi-enzyme cascade platforms for engineering polymer materials, as well as their potential industrial applications, to provide an update on current trends and gaps in the one-step synthesis of materials using catalytic enzymes.
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13
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Chauhan A, Alam MA, Kaur A, Malviya R. Advancements and Utilizations of Scaffolds in Tissue Engineering and Drug Delivery. Curr Drug Targets 2023; 24:13-40. [PMID: 36221880 DOI: 10.2174/1389450123666221011100235] [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: 01/05/2022] [Revised: 03/02/2022] [Accepted: 03/09/2022] [Indexed: 11/22/2022]
Abstract
The drug development process requires a thorough understanding of the scaffold and its three-dimensional structure. Scaffolding is a technique for tissue engineering and the formation of contemporary functioning tissues. Tissue engineering is sometimes referred to as regenerative medicine. They also ensure that drugs are delivered with precision. Information regarding scaffolding techniques, scaffolding kinds, and other relevant facts, such as 3D nanostructuring, are discussed in depth in this literature. They are specific and demonstrate localized action for a specific reason. Scaffold's acquisition nature and flexibility make it a new drug delivery technology with good availability and structural parameter management.
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Affiliation(s)
- Akash Chauhan
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Md Aftab Alam
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Awaneet Kaur
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, Uttar Pradesh, India
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14
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Shi J, Dai W, Gupta A, Zhang B, Wu Z, Zhang Y, Pan L, Wang L. Frontiers of Hydroxyapatite Composites in Bionic Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15238475. [PMID: 36499970 PMCID: PMC9738134 DOI: 10.3390/ma15238475] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 05/31/2023]
Abstract
Bone defects caused by various factors may cause morphological and functional disorders that can seriously affect patient's quality of life. Autologous bone grafting is morbid, involves numerous complications, and provides limited volume at donor site. Hence, tissue-engineered bone is a better alternative for repair of bone defects and for promoting a patient's functional recovery. Besides good biocompatibility, scaffolding materials represented by hydroxyapatite (HA) composites in tissue-engineered bone also have strong ability to guide bone regeneration. The development of manufacturing technology and advances in material science have made HA composite scaffolding more closely related to the composition and mechanical properties of natural bone. The surface morphology and pore diameter of the scaffold material are more important for cell proliferation, differentiation, and nutrient exchange. The degradation rate of the composite scaffold should match the rate of osteogenesis, and the loading of cells/cytokine is beneficial to promote the formation of new bone. In conclusion, there is no doubt that a breakthrough has been made in composition, mechanical properties, and degradation of HA composites. Biomimetic tissue-engineered bone based on vascularization and innervation show a promising future.
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Affiliation(s)
- Jingcun Shi
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Wufei Dai
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Shanghai Tissue Engineering Key Laboratory, Shanghai Research Institute of Plastic and Reconstructive Surgey, Shanghai 200011, China
| | - Anand Gupta
- Department of Dentistry, Government Medical College & Hospital, Chandigarh 160017, India
| | - Bingqing Zhang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Ziqian Wu
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Yuhan Zhang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Lisha Pan
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
| | - Lei Wang
- Department of Oral and Maxillofacial Surgery—Head & Neck Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- College of Stomatology, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, National Clinical Research Center for Oral Diseases, National Center for Stomatology, Shanghai 200011, China
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15
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Rohani Shirvan A, Nouri A, Sutti A. A perspective on the wet spinning process and its advancements in biomedical sciences. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Bharathi R, Ganesh SS, Harini G, Vatsala K, Anushikaa R, Aravind S, Abinaya S, Selvamurugan N. Chitosan-based scaffolds as drug delivery systems in bone tissue engineering. Int J Biol Macromol 2022; 222:132-153. [PMID: 36108752 DOI: 10.1016/j.ijbiomac.2022.09.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/19/2022] [Accepted: 09/07/2022] [Indexed: 11/25/2022]
Abstract
The bone tissue engineering approach for treating large bone defects becomes necessary when the tissue damage surpasses the threshold of the inherent regenerative ability of the human body. A myriad of natural biodegradable polymers and scaffold fabrication techniques have emerged in the last decade. Chitosan (CS) is especially attractive as a bone scaffold material to support cell attachment and proliferation and mineralization of the bone matrix. The primary amino groups in CS are responsible for properties such as controlled drug release, mucoadhesion, in situ gelation, and transfection. CS-based smart drug delivery scaffolds that respond to environmental stimuli have been reported to have a localized sustained delivery of drugs in the large bone defect area. This review outlines the recent advances in the fabrication of CS-based scaffolds as a pharmaceutical carrier to deliver drugs such as antibiotics, growth factors, nucleic acids, and phenolic compounds for bone tissue regeneration.
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Affiliation(s)
- R Bharathi
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - S Shree Ganesh
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - G Harini
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Kumari Vatsala
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - R Anushikaa
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - S Aravind
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - S Abinaya
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - N Selvamurugan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India.
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17
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Polymer Texture Influences Cell Responses in Osteogenic Microparticles. Cell Mol Bioeng 2022; 15:409-423. [DOI: 10.1007/s12195-022-00729-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 06/27/2022] [Indexed: 11/25/2022] Open
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18
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Application Progress of Modified Chitosan and Its Composite Biomaterials for Bone Tissue Engineering. Int J Mol Sci 2022; 23:ijms23126574. [PMID: 35743019 PMCID: PMC9224397 DOI: 10.3390/ijms23126574] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/30/2022] [Accepted: 06/08/2022] [Indexed: 12/28/2022] Open
Abstract
In recent years, bone tissue engineering (BTE), as a multidisciplinary field, has shown considerable promise in replacing traditional treatment modalities (i.e., autografts, allografts, and xenografts). Since bone is such a complex and dynamic structure, the construction of bone tissue composite materials has become an attractive strategy to guide bone growth and regeneration. Chitosan and its derivatives have been promising vehicles for BTE owing to their unique physical and chemical properties. With intrinsic physicochemical characteristics and closeness to the extracellular matrix of bones, chitosan-based composite scaffolds have been proved to be a promising candidate for providing successful bone regeneration and defect repair capacity. Advances in chitosan-based scaffolds for BTE have produced efficient and efficacious bio-properties via material structural design and different modifications. Efforts have been put into the modification of chitosan to overcome its limitations, including insolubility in water, faster depolymerization in the body, and blood incompatibility. Herein, we discuss the various modification methods of chitosan that expand its fields of application, which would pave the way for future applied research in biomedical innovation and regenerative medicine.
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19
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Advanced Biomaterials, Coatings, and Techniques: Applications in Medicine and Dentistry. COATINGS 2022. [DOI: 10.3390/coatings12060797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The field of biomaterials is very extensive, encompassing both the materials themselves and the manufacturing methods, which are constantly developing [...]
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20
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Song Y, Choi JH, Tumursukh NE, Kim NE, Jeon GY, Kim SE, Kim SI, Song JE, Elçin YM, Khang G. Macro- and microporous polycaprolactone/duck's feet collagen scaffold fabricated by combining facile phase separation and particulate leaching techniques to enhance osteogenesis for bone tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1025-1042. [PMID: 35118913 DOI: 10.1080/09205063.2022.2036933] [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: 09/27/2021] [Revised: 01/11/2022] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Herein, a facile macro- and microporous polycaprolactone/duck's feet collagen scaffold (PCL/DC) was fabricated and characterized to confirm its applicability in bone tissue engineering. A biomimetic scaffold for bone tissue engineering and regeneration for bone defects is an important element. PCL is a widely applied biomaterial for bone tissue engineering due to its biocompatibility and biodegradability. However, the high hydrophobicity and low cell attachment site properties of PCL lead to an insufficient microenvironment in designing a scaffold. Collagen is a nature-derived biomaterial that is widely used in tissue engineering and has excellent biocompatibility, mechanical properties, and cell attachment moieties. Among the resources from which collagen can be obtained, DC contains a high amount of collagen type I (COL1), is biocompatible, and is cost-effective. In this study, the scaffolds were fabricated by blending DC with PCL in various ratios and applied non-solvent-induced phase separation (NIPS) and thermal-induced phase separation (TIPS) (N-TIPS), solvent casting and particulate leaching (SCPL), and gas foaming method to fabricate macro- and microporous structure. The characterization of the fabricated scaffolds was carried out by morphological analysis, bioactivity test, physicochemical analysis, and mechanical test. In vitro study was carried out by viability test, morphology observation, and gene expression. The results showed that the incorporation of DC enhances the physicochemical and mechanical properties of the scaffolds. Also, a large amount of bone mimetic apatite was formed according to the DC content in the bioactivity test. The in vitro study showed that the PCL/DC scaffold is biocompatible and the existence of apatite and DC formed a favorable microenvironment for cell proliferation and differentiation. Overall, the novel porous PCL/DC scaffold can be a promising biomaterial model for bone tissue engineering and regeneration.
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Affiliation(s)
- Youngeun Song
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Joo Hee Choi
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Nomin-Erdene Tumursukh
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Na Eun Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Ga Young Jeon
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Se Eun Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Soo In Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Jeong Eun Song
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Yaşar Murat Elçin
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Ankara University Faculty of Science, Ankara, Turkey
| | - Gilson Khang
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
- Department of PolymerNano Science & Technology and Polymer Materials Fusion Research Center, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
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21
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Ansari MAA, Golebiowska AA, Dash M, Kumar P, Jain PK, Nukavarapu SP, Ramakrishna S, Nanda HS. Engineering biomaterials to 3D-print scaffolds for bone regeneration: practical and theoretical consideration. Biomater Sci 2022; 10:2789-2816. [PMID: 35510605 DOI: 10.1039/d2bm00035k] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2024]
Abstract
There are more than 2 million bone grafting procedures performed annually in the US alone. Despite significant efforts, the repair of large segmental bone defects is a substantial clinical challenge which requires bone substitute materials or a bone graft. The available biomaterials lack the adequate mechanical strength to withstand the static and dynamic loads while maintaining sufficient porosity to facilitate cell in-growth and vascularization during bone tissue regeneration. A wide range of advanced biomaterials are being currently designed to mimic the physical as well as the chemical composition of a bone by forming polymer blends, polymer-ceramic and polymer-degradable metal composites. Transforming these novel biomaterials into porous and load-bearing structures via three-dimensional printing (3DP) has emerged as a popular manufacturing technique to develop engineered bone grafts. 3DP has been adopted as a versatile tool to design and develop bone grafts that satisfy porosity and mechanical requirements while having the ability to form grafts of varied shapes and sizes to meet the physiological requirements. In addition to providing surfaces for cell attachment and eventual bone formation, these bone grafts also have to provide physical support during the repair process. Hence, the mechanical competence of the 3D-printed scaffold plays a key role in the success of the implant. In this review, we present various recent strategies that have been utilized to design and develop robust biomaterials that can be deployed for 3D-printing bone substitutes. The article also reviews some of the practical, theoretical and biological considerations adopted in the 3D-structure design and development for bone tissue engineering.
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Affiliation(s)
- Mohammad Aftab Alam Ansari
- Biomedical Engineering and Technology Lab, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- FFF Laboratory, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
| | - Aleksandra A Golebiowska
- Biomedical Engineering, Materials Science & Engineering, and Orthopaedic Surgery, University of Connecticut, 260 Glenbrook Road, Unit 3247 Storrs, CT, 06269, USA
| | - Madhusmita Dash
- School of Minerals, Metallurgical and Materials Engineering, Indian Institute of Technology Bhubaneswar, Arugul, Khurdha 752050, Odisha, India
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
| | - Prasoon Kumar
- Biodesign and Medical device laboratory, Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, 769008, Odisha, India.
| | - Prashant Kumar Jain
- FFF Laboratory, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
| | - Syam P Nukavarapu
- Biomedical Engineering, Materials Science & Engineering, and Orthopaedic Surgery, University of Connecticut, 260 Glenbrook Road, Unit 3247 Storrs, CT, 06269, USA
| | - Seeram Ramakrishna
- Centre for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Engineering Drive 3, Singapore 117587, Singapore
| | - Himansu Sekhar Nanda
- Biomedical Engineering and Technology Lab, Mechanical engineering discipline, PDPM Indian Institute of Information Technology, Design & Manufacturing Jabalpur, India.
- International Centre for Sustainable and Net Zero Technologies, PDPM-Indian Institute of Information Technology Design and Manufacturing (IIITDM) Jabalpur, Dumna Airport Road, Jabalpur-482005, MP, India
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22
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Comparison of rhBMP-2 in Combination with Different Biomaterials for Regeneration in Rat Calvaria Critical-Size Defects. BIOMED RESEARCH INTERNATIONAL 2022; 2022:6281641. [PMID: 35509708 PMCID: PMC9061001 DOI: 10.1155/2022/6281641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 03/25/2022] [Indexed: 12/31/2022]
Abstract
Regeneration of critical bone defects requires the use of biomaterials. The incorporation of osteoinductive agents, such as bone morphogenetic proteins (BMPs), improves bone formation. This study aimed to compare the efficacy of rhBMP-2 in combination with different materials for bone regeneration in critical-sized rat calvarial defects. This was an experimental animal study using 30 rats. In each rat, two 5-mm critical-size defects were made in the calvaria (60 bone defects in total) using a trephine. All rats were randomized to one of the six groups: control (C), autograft + rhBMP-2 (A), absorbable collagen sponge + rhBMP-2 (ACS), β-tricalcium phosphate + rhBMP-2 (B-TCP), bovine xenograft + rhBMP-2 (B), and hydroxyapatite + rhBMP-2 (HA). The outcome was assessed after 4 and 8 weeks using histological description and the histological bone healing scale. Statistical analysis was performed using the Kruskal-Wallis and Mann–Whitney U tests, with a p-value set at 0.05. The average bone healing scores per group were as follows: C group, 12.5; A group, 26.5; ACS group, 18.8; B-TCP group, 26.2; HA group, 20.9; and B group, 20.9. The C group showed a significant difference between weeks 4 and 8 (p = 0.032). Among the 4-week groups, the C group showed a significant difference compared to A (p = 0.001), ACS (p = 0.017), and B-TCP (p = 0.005) groups. The 8-week experimental group did not show any significant differences between the groups. The 5-mm critical size defect in rat calvaria requires the use of bone biomaterials to heal at 4 and 8 weeks. rhBMP-2, as applied in this study, showed no difference in new bone formation when combined with bovine, B-TCP, or HA biomaterials.
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Dash S, . P, Arora V, Sachdeva K, Sharma H, Dinda AK, Agrawal AK, Jassal M, Mohanty S. Promoting in-vivo bone regeneration using facile engineered load-bearing 3D bioactive scaffold. Biomed Mater 2022. [DOI: 10.1088/1748-605x/ac58d6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
The worldwide incidence of bone disorders has trended steeply upward and is expected to get doubled by 2030. Biological mechanism of bone repair involves both osteo-conductivity and osteo-inductivity. In spite of the self-healing functionality after injury, bone tissue faces multitude of pathological challenges. Several innovative approaches have been developed to prepare biomaterial-based bone grafts. To design a suitable bone material, the freeze-drying technique has achieved significant importance among the other conventional methods. However, the functionality of the polymeric freeze-dried scaffold in in-vivo osteogenesis is in nascent stage. In this study facile, freeze dried, biomaterial-based load bearing 3D porous composite scaffolds have been prepared. The biocompatible scaffolds have been made by using chitosan (C), polycaprolactone (P), hydroxyapatite (H), glass ionomer (G), and graphene (gr). Scaffolds of eight different groups (C, P, CP, CPH, CPHG, CPHGgr1, CPHGgr2, CPHGgr3) have been designed and characterized to evaluate their applicability in orthopaedics. To evaluate the efficacy of the scaffolds a series of physio-chemical, morphological, and in-vitro & in-vivo biological experiments have been performed. From the obtained results it was observed that the CPHGgr1 is the ideal compatible material for Wharton’s Jelly derived mesenchymal stem cells and the blood cells. The in-vitro bone specific gene expression study revealed that, the scaffold assists MSCs osteogenic differentiation. Additionally, the in-vivo study on mice model was also performed for a period of 4 weeks and 8 weeks. The sub-cutaneous implantation of the designed scaffolds didn’t show any altered physiological condition in the animals, which indicated the in-vivo biocompatibility of the designed material. The histopathological study revealed that after 8 weeks of implantation, the CPHGgr1 scaffold supported significantly better collagen deposition and calcification. The facile designing of CPHGgr1 multicomponent nanocomposite provided an osteo-regenerative biomaterial with desired mechanical strength as an ideal regenerative material for cancellous bone tissue regeneration.
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Motamedian SR, Mohaghegh S, Lakmazaheri E, Ahmadi N, Kouhestani F. Efficacy of regenerative medicine for alveolar cleft reconstruction: A systematic review and meta-analysis. Curr Stem Cell Res Ther 2022; 17:446-465. [DOI: 10.2174/1574888x17666220204145347] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/05/2021] [Accepted: 12/02/2021] [Indexed: 11/22/2022]
Abstract
Objective:
Objective: To analyze the efficacy and complications of regenerative medicine compared to autogenous bone graft for alveolar cleft reconstruction.
Method:
Method: Electronic search was done in PubMed, Scopus, Embase and Cochrane database for studies published until May 2021. No limitations were considered for the type of the included studies. The risk of bias (ROB) of the studies was assessed using the Cochrane Collaborations and NIH quality assessment tool. Meta-analyses were performed to assess the difference in the amount of bone formation and rate of complications. Grading of Recommendations, Assessment, Development and Evaluation (GRADE) was used for analyzing the level of the evidence.
Results:
Results: Among a total of 42 included studies, 21 studies used growth factors, 16 studies delivered cells, and five studies used biomaterials for bone regeneration of the alveolar cleft. Results showed no significant difference in the amount of bone formation between bone morphogenic protein-2 and iliac graft treated patients after six months (P=0.44) and 12 months (P=0.17) follow-up. Besides, higher swelling (OR=9.46,P<0.01) and less infection (OR=0.19,P=0.01) observed in BMP treated patients. Using stem cells can reduce the post-treatment pain (OR=0.04,P=0.01) but it has no significant impact on other complications (P>0.05). Using tissue engineering methods reduced the operation time (SD=1.06,P<0.01). GRADE assessment showed that results regarding the amount of bone formation volume after six and 12 months have low level of evidence.
Conclusion:
Conclusion: Tissue engineering methods can provide a comparable amount of bone formation as of the autogenous graft and reduce some of the complications, operation time and hospitalization duration.
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Affiliation(s)
| | - Sadra Mohaghegh
- Shahid Beheshti University of Medical Sciences, Tehran 1983963113, Iran
| | - Ehsan Lakmazaheri
- Shahid Beheshti University of Medical Sciences, Tehran 1983963113, Iran
| | - Nima Ahmadi
- University of Medical Sciences, Tehran 1983963113, Iran
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The Application of Chitosan Nanostructures in Stomatology. Molecules 2021; 26:molecules26206315. [PMID: 34684896 PMCID: PMC8541323 DOI: 10.3390/molecules26206315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/05/2021] [Accepted: 10/14/2021] [Indexed: 11/16/2022] Open
Abstract
Chitosan (CS) is a natural polymer with a positive charge, a deacetylated derivative of chitin. Chitosan nanostructures (nano-CS) have received increasing interest due to their potential applications and remarkable properties. They offer advantages in stomatology due to their excellent biocompatibility, their antibacterial properties, and their biodegradability. Nano-CSs can be applied as drug carriers for soft tissue diseases, bone tissue engineering and dental hard tissue remineralization; furthermore, they have been used in endodontics due to their antibacterial properties; and, finally, nano-CS can improve the adhesion and mechanical properties of dental-restorative materials due to their physical blend and chemical combinations. In this review, recent developments in the application of nano-CS for stomatology are summarized, with an emphasis on nano-CS’s performance characteristics in different application fields. Moreover, the challenges posed by and the future trends in its application are assessed.
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Nokhbatolfoghahaei H, Rad MR, Paknejad Z, Ardeshirylajimi A, Khojasteh A. Identification osteogenic signaling pathways following mechanical stimulation: A systematic review. Curr Stem Cell Res Ther 2021; 17:772-792. [PMID: 34615453 DOI: 10.2174/1574888x16666211006105915] [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: 05/09/2021] [Revised: 07/17/2021] [Accepted: 07/26/2021] [Indexed: 11/22/2022]
Abstract
INTRODUCTION It has been shown that mechanical forces can induce or promote osteogenic differentiation as well as remodeling of the new created bone tissues. To apply this characteristic in bone tissue engineering, it is important to know which mechanical stimuli through which signaling pathway has a more significant impact on osteogenesis. METHODS In this systematic study, an electronic search was conducted using PubMed and Google Scholar databases. This study has been prepared and organized according to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. Included studies were first categorized according to the in vivo and in vitro studies. RESULTS Six types of mechanical stresses were used in these articles and the most commonly used mechanical force and cell source were tension and bone marrow-derived mesenchymal stem cells (BMMSCs), respectively. These forces were able to trigger twelve signaling pathways in which Wnt pathway was so prominent. CONCLUSION 1) Although specific signaling pathways are induced through specific mechanical forces, Wnt signaling pathways are predominantly activated by almost all types of force/stimulation, 2) All signaling pathways regulate expression of RUNX2, which is known as a master regulator of osteogenesis, 3) In Tension force, the mode of force administration, i.e, continuous or non-continuous tension is more important than the percentage of elongation.
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Affiliation(s)
- Hanieh Nokhbatolfoghahaei
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran. Iran
| | - Maryam Rezai Rad
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran. Iran
| | - Zahrasadat Paknejad
- Medical nanotechnology and tissue engineering research Center, Shahid Beheshti University of Medical Sciences, Tehran. Iran
| | - Abdolreza Ardeshirylajimi
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran. Iran
| | - Arash Khojasteh
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran. Iran
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Costard LS, Hosn RR, Ramanayake H, O'Brien FJ, Curtin CM. Influences of the 3D microenvironment on cancer cell behaviour and treatment responsiveness: A recent update on lung, breast and prostate cancer models. Acta Biomater 2021; 132:360-378. [PMID: 33484910 DOI: 10.1016/j.actbio.2021.01.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/21/2022]
Abstract
The majority of in vitro studies assessing cancer treatments are performed in two-dimensional (2D) monolayers and are subsequently validated in in vivo animal models. However, 2D models fail to accurately model the tumour microenvironment. Furthermore, animal models are not directly applicable to mimic the human scenario. Three-dimensional (3D) culture models may help to address the discrepancies of 2D and animal models. When cancer cells escape the primary tumour, they can invade at distant organs building secondary tumours, called metastasis. The development of metastasis leads to a dramatic decrease in the life expectancy of patients. Therefore, 3D systems to model the microenvironment of metastasis have also been developed. Several studies have demonstrated changes in cell behaviour and gene expression when cells are cultured in 3D compared to 2D and concluded a better comparability to cells in vivo. Of special importance is the effect seen in response to anti-cancer treatments as models are built primarily to serve as drug-testing platforms. This review highlights these changes between cancer cells grown in 2D and 3D models for some of the most common cancers including lung, breast and prostate tumours. In addition to models aiming to mimic the primary tumour site, the effects of 3D cell culturing in bone metastasis models are also described. STATEMENT OF SIGNIFICANCE: Most in vitro studies in cancer research are performed in 2D and are subsequently validated in in vivo animal models. However, both models possess numerous limitations: 2D models fail to accurately model the tumour microenvironment while animal models are expensive, time-consuming and can differ considerably from humans. It is accepted that the cancer microenvironment plays a critical role in the disease, thus, 3D models have been proposed as a potential solution to address the discrepancies of 2D and animal models. This review highlights changes in cell behaviour, including proliferation, gene expression and chemosensitivity, between cancer cells grown in 2D and 3D models for some of the most common cancers including lung, breast and prostate cancer as well as bone metastasis.
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Yu D, Wang J, Qian KJ, Yu J, Zhu HY. Effects of nanofibers on mesenchymal stem cells: environmental factors affecting cell adhesion and osteogenic differentiation and their mechanisms. J Zhejiang Univ Sci B 2021; 21:871-884. [PMID: 33150771 DOI: 10.1631/jzus.b2000355] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Nanofibers can mimic natural tissue structure by creating a more suitable environment for cells to grow, prompting a wide application of nanofiber materials. In this review, we include relevant studies and characterize the effect of nanofibers on mesenchymal stem cells, as well as factors that affect cell adhesion and osteogenic differentiation. We hypothesize that the process of bone regeneration in vitro is similar to bone formation and healing in vivo, and the closer nanofibers or nanofibrous scaffolds are to natural bone tissue, the better the bone regeneration process will be. In general, cells cultured on nanofibers have a similar gene expression pattern and osteogenic behavior as cells induced by osteogenic supplements in vitro. Genes involved in cell adhesion (focal adhesion kinase (FAK)), cytoskeletal organization, and osteogenic pathways (transforming growth factor-β (TGF-β)/bone morphogenic protein (BMP), mitogen-activated protein kinase (MAPK), and Wnt) are upregulated successively. Cell adhesion and osteogenesis may be influenced by several factors. Nanofibers possess certain physical properties including favorable hydrophilicity, porosity, and swelling properties that promote cell adhesion and growth. Moreover, nanofiber stiffness plays a vital role in cell fate, as cell recruitment for osteogenesis tends to be better on stiffer scaffolds, with associated signaling pathways of integrin and Yes-associated protein (YAP)/transcriptional co-activator with PDZ-binding motif (TAZ). Also, hierarchically aligned nanofibers, as well as their combination with functional additives (growth factors, HA particles, etc.), contribute to osteogenesis and bone regeneration. In summary, previous studies have indicated that upon sensing the stiffness of the nanofibrous environment as well as its other characteristics, stem cells change their shape and tension accordingly, regulating downstream pathways followed by adhesion to nanofibers to contribute to osteogenesis. However, additional experiments are needed to identify major signaling pathways in the bone regeneration process, and also to fully investigate its supportive role in fabricating or designing the optimum tissue-mimicking nanofibrous scaffolds.
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Affiliation(s)
- Dan Yu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jin Wang
- Department of Stomatology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Ke-Jia Qian
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Jing Yu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Hui-Yong Zhu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
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Osório LA, Silva E, Mackay RE. A Review of Biomaterials and Scaffold Fabrication for Organ-on-a-Chip (OOAC) Systems. Bioengineering (Basel) 2021; 8:113. [PMID: 34436116 PMCID: PMC8389238 DOI: 10.3390/bioengineering8080113] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 12/12/2022] Open
Abstract
Drug and chemical development along with safety tests rely on the use of numerous clinical models. This is a lengthy process where animal testing is used as a standard for pre-clinical trials. However, these models often fail to represent human physiopathology. This may lead to poor correlation with results from later human clinical trials. Organ-on-a-Chip (OOAC) systems are engineered microfluidic systems, which recapitulate the physiochemical environment of a specific organ by emulating the perfusion and shear stress cellular tissue undergoes in vivo and could replace current animal models. The success of culturing cells and cell-derived tissues within these systems is dependent on the scaffold chosen; hence, scaffolds are critical for the success of OOACs in research. A literature review was conducted looking at current OOAC systems to assess the advantages and disadvantages of different materials and manufacturing techniques used for scaffold production; and the alternatives that could be tailored from the macro tissue engineering research field.
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Affiliation(s)
- Luana A. Osório
- Department of Mechanical, Aerospace and Civil Engineering, Brunel University London, Uxbridge UB8 3PH, UK;
| | - Elisabete Silva
- Department of Life Science, Brunel University London, Uxbridge UB8 3PH, UK;
| | - Ruth E. Mackay
- Department of Mechanical, Aerospace and Civil Engineering, Brunel University London, Uxbridge UB8 3PH, UK;
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Bjelić D, Finšgar M. The Role of Growth Factors in Bioactive Coatings. Pharmaceutics 2021; 13:1083. [PMID: 34371775 PMCID: PMC8309025 DOI: 10.3390/pharmaceutics13071083] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/26/2022] Open
Abstract
With increasing obesity and an ageing population, health complications are also on the rise, such as the need to replace a joint with an artificial one. In both humans and animals, the integration of the implant is crucial, and bioactive coatings play an important role in bone tissue engineering. Since bone tissue engineering is about designing an implant that maximally mimics natural bone and is accepted by the tissue, the search for optimal materials and therapeutic agents and their concentrations is increasing. The incorporation of growth factors (GFs) in a bioactive coating represents a novel approach in bone tissue engineering, in which osteoinduction is enhanced in order to create the optimal conditions for the bone healing process, which crucially affects implant fixation. For the application of GFs in coatings and their implementation in clinical practice, factors such as the choice of one or more GFs, their concentration, the coating material, the method of incorporation, and the implant material must be considered to achieve the desired controlled release. Therefore, the avoidance of revision surgery also depends on the success of the design of the most appropriate bioactive coating. This overview considers the integration of the most common GFs that have been investigated in in vitro and in vivo studies, as well as in human clinical trials, with the aim of applying them in bioactive coatings. An overview of the main therapeutic agents that can stimulate cells to express the GFs necessary for bone tissue development is also provided. The main objective is to present the advantages and disadvantages of the GFs that have shown promise for inclusion in bioactive coatings according to the results of numerous studies.
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Affiliation(s)
| | - Matjaž Finšgar
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia;
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da Silva AAF, Rinco UGR, Jacob RGM, Sakai VT, Mariano RC. The effectiveness of hydroxyapatite-beta tricalcium phosphate incorporated into stem cells from human exfoliated deciduous teeth for reconstruction of rat calvarial bone defects. Clin Oral Investig 2021; 26:595-608. [PMID: 34169375 DOI: 10.1007/s00784-021-04038-9] [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: 02/27/2021] [Accepted: 06/14/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To investigate the effects of stem cells from the pulp of human exfoliated deciduous teeth (SHED) on biphasic calcium phosphate granules (BCP) to repair rat calvarial defects as compared to autogenous bone grafting. MATERIALS AND METHODS A defect with a 6-mm diameter was produced on the calvaria of 50 rats. BCP granules were incorporated into SHED cultures grown for 7 days in conventional (CM) or osteogenic (OM) culture media. The animals were allocated into 5 groups of 10, namely: clot, autogenous bone, BCP, BCP+SHED in CM (BCP-CM), and BCP+SHED in OM (BCP-OM). The presence of newly formed bone and residual biomaterial particles was assessed by histometric analysis after 4 and 8 weeks. RESULTS The autogenous group showed the largest newly formed bone area at week 8 and in the entire experimental period, with a significant difference in relation to the other groups (P < 0.05). At week 8, BCP-CM and BCP-OM groups showed homogeneous new bone formation (P = 0.13). When considering the entire experimental period, the BCP group had the highest percentage of residual particle area, with no significant difference from the BCP-CM group (P = 0.06) and with a significant difference from the BCP-OM group (P = 0.01). BCP-CM and BCP-OM groups were homogeneous throughout the experimental period (P = 0.59). CONCLUSIONS BCP incorporated into SHED cultures showed promising outcomes, albeit less pronounced than autogenous grafting, for the repair of rat calvarial defects. CLINICAL RELEVANCE BCP incorporated into SHED cultures showed to be an alternative in view of the disadvantages to obtain autogenous bone graft.
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Affiliation(s)
- Alexandre Augusto Ferreira da Silva
- Faculty of Dentistry, Department of Clinic and Surgery, Federal University of Alfenas-MG, Rua Gabriel Monteiro da Silva, 700 - 37130-001, Cenro, Alfenas, MG, Brazil.
| | - Ugo Guilherme Roque Rinco
- Faculty of Dentistry, Department of Clinic and Surgery, Federal University of Alfenas-MG, Rua Gabriel Monteiro da Silva, 700 - 37130-001, Cenro, Alfenas, MG, Brazil
| | - Ricardo Garcia Mureb Jacob
- Faculty of Dentistry, José do Rosário Vellano University, Rodovia MG-179 Km 0, s/n -37130-000, Bairro Trevo, Alfenas, MG, Brazil
| | - Vivien Thiemy Sakai
- Faculty of Dentistry, Department of Clinic and Surgery, Federal University of Alfenas-MG, Rua Gabriel Monteiro da Silva, 700 - 37130-001, Cenro, Alfenas, MG, Brazil
| | - Ronaldo Célio Mariano
- Faculty of Dentistry, Department of Clinic and Surgery, Federal University of Alfenas-MG, Rua Gabriel Monteiro da Silva, 700 - 37130-001, Cenro, Alfenas, MG, Brazil
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Influence of chitosan and hydroxyapatite incorporation on properties of electrospun PVA/HA nanofibrous mats for bone tissue regeneration: Nanofibers optimization and in-vitro assessment. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102417] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Advances in the Fabrication of Scaffold and 3D Printing of Biomimetic Bone Graft. Ann Biomed Eng 2021; 49:1128-1150. [PMID: 33674908 DOI: 10.1007/s10439-021-02752-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 02/14/2021] [Indexed: 12/26/2022]
Abstract
The need for bone grafts is tremendous, and that leads to the use of autograft, allograft, and bone graft substitutes. The biology of the bone is quite complex regarding cellular composition and architecture, hence developing a mineralized connective tissue graft is challenging. Traditionally used bone graft substitutes including metals, biomaterial coated metals and biodegradable scaffolds, suffer from persistent limitations. With the advent and rise of additive manufacturing technologies, the future of repairing bone trauma and defects seems to be optimistic. 3D printing has significant advantages, the foremost of all being faster manipulation of various biocompatible materials and live cells or tissues into the complex natural geometries necessary to mimic and stimulate cellular bone growth. The advent of new-generation bioprinters working with high-precision, micro-dispensing and direct digital manufacturing is aiding in ground-breaking organ and tissue printing, including the bone. The future bone replacement for patients holds excellent promise as scientists are moving closer to the generation of better 3D printed bio-bone grafts that will be safer and more effective. This review aims to summarize the advances in scaffold fabrication techniques, emphasizing 3D printing of biomimetic bone grafts.
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Bioengineering for head and neck reconstruction: the role of customized flaps. Curr Opin Otolaryngol Head Neck Surg 2021; 29:156-160. [PMID: 33664198 DOI: 10.1097/moo.0000000000000705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to provide the reader with an overview of the present and future applications of bioengineering for head and neck reconstruction, ranging from the application of Computed Assisted Surgery (CAS) to the most recent advances in 3D printing and tissue engineering. RECENT FINDINGS The use of CAS in head and neck reconstruction has been demonstrated to provide shorter surgical times, improved reconstructive accuracy of bone reconstruction, and achieves better alignment of bone segments in osteotomized reconstructions. Beyond its classical application in bone reconstructions, CAS has demonstrated reliability in the planning and harvesting of soft tissue flaps. To date, literature regarding bioengineering for head and neck reconstruction is mainly focused on in-vitro and animal model experiments; however, some pioneering reports on human patients suggest the potential feasibility of this technology. SUMMARY Bioengineering is anticipated to play a key role in the future development of customized flaps for head and neck reconstruction. These technologies are particularly appealing as a new technology to address certain unsolved challenges in head and neck reconstruction.
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Zahedpasha A, Ghassemi A, Bijani A, Haghanifar S, Majidi MS, Ghorbani ZM. Comparison of Bone Formation After Sinus Membrane Lifting Without Graft or Using Bone Substitute "Histologic and Radiographic Evaluation". J Oral Maxillofac Surg 2020; 79:1246-1254. [PMID: 33508239 DOI: 10.1016/j.joms.2020.12.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 11/18/2022]
Abstract
PURPOSE Sinus floor elevation without using autogenous bone graft or bone substitute will eliminate donor site morbidity and reduce the cost and the risk of infection. We evaluated the bone gain after sinus membrane elevation without graft or using bone substitute in the same maxilla. Dental implants were inserted simultaneously as a 1-stage procedure. PATIENTS AND METHODS In a split-mouth design, we conducted a randomized double-blinded clinical trial performing sinus lifts and simultaneous implant insertion in 10 healthy patients (n = 20). On the 1 site, we performed graft-less sinus lift (group 1) and on the other site Cerabone was used as bone substitute (group 2), respectively. The quantity and quality of bone gained in each sinus were evaluated and compared radiologically and histomorphometrically. RESULTS After 6 months, the average gain of bone height was 6.21 and 9.58 mm in group 1 and 2, respectively, as measured radiologically (P < .001, P < .001). Histomorphometric examination showed significantly higher thickness of trabeculae and bone formation in group 1 (P = .003 and P = .002). However, the neovascularization was higher, but not significantly (P = .288). CONCLUSIONS Radiological bone gain was similar in both groups. However, histomorphometric examination showed superior bone formation in graft-less group as compared to the Cerabone group. The blood clot seems to be an adequate filler and excellent medium for bone formation. More studies in split-mouth design are needed to compare different bone substitutes.
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Affiliation(s)
- Amir Zahedpasha
- Resident, Oral Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Alireza Ghassemi
- Consultant Oral and Maxillofacial Surgeon, Medical Faculty University RWTH Aachen, Aachen, Germany
| | - Ali Bijani
- Assistant Professor, Social Determinants of Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Sina Haghanifar
- Professor, Oral Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Seyed Majidi
- Professor, Dental Materials Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Zahra Malekpour Ghorbani
- Assistant Professor, Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran.
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Matichescu A, Ardelean LC, Rusu LC, Craciun D, Bratu EA, Babucea M, Leretter M. Advanced Biomaterials and Techniques for Oral Tissue Engineering and Regeneration-A Review. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E5303. [PMID: 33238625 PMCID: PMC7700200 DOI: 10.3390/ma13225303] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/15/2020] [Accepted: 11/19/2020] [Indexed: 12/11/2022]
Abstract
The reconstruction or repair of oral and maxillofacial functionalities and aesthetics is a priority for patients affected by tooth loss, congenital defects, trauma deformities, or various dental diseases. Therefore, in dental medicine, tissue reconstruction represents a major interest in oral and maxillofacial surgery, periodontics, orthodontics, endodontics, and even daily clinical practice. The current clinical approaches involve a vast array of techniques ranging from the traditional use of tissue grafts to the most innovative regenerative procedures, such as tissue engineering. In recent decades, a wide range of both artificial and natural biomaterials and scaffolds, genes, stem cells isolated from the mouth area (dental follicle, deciduous teeth, periodontal ligament, dental pulp, salivary glands, and adipose tissue), and various growth factors have been tested in tissue engineering approaches in dentistry, with many being proven successful. However, to fully eliminate the problems of traditional bone and tissue reconstruction in dentistry, continuous research is needed. Based on a recent literature review, this paper creates a picture of current innovative strategies applying dental stem cells for tissue regeneration in different dental fields and maxillofacial surgery, and offers detailed information regarding the available scientific data and practical applications.
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Affiliation(s)
- Anamaria Matichescu
- Department of Preventive Dentistry, Community and Oral Health, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania;
| | - Lavinia Cosmina Ardelean
- Department of Technology of Materials and Devices in Dental Medicine, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Laura-Cristina Rusu
- Department of Oral Pathology, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (L.-C.R.); (D.C.); (M.B.)
| | - Dragos Craciun
- Department of Oral Pathology, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (L.-C.R.); (D.C.); (M.B.)
| | - Emanuel Adrian Bratu
- Department of Implant Supported Restorations, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Marius Babucea
- Department of Oral Pathology, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (L.-C.R.); (D.C.); (M.B.)
| | - Marius Leretter
- Department of Prosthodontics, “Victor Babeș” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania;
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37
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Cho YS, Kim HK, Ghim MS, Hong MW, Kim YY, Cho YS. Evaluation of the Antibacterial Activity and Cell Response for 3D-Printed Polycaprolactone/Nanohydroxyapatite Scaffold with Zinc Oxide Coating. Polymers (Basel) 2020; 12:E2193. [PMID: 32992820 PMCID: PMC7601629 DOI: 10.3390/polym12102193] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/30/2022] Open
Abstract
Among 3D-printed composite scaffolds for bone tissue engineering, researchers have been attracted to the use of zinc ions to improve the scaffold's anti-bacterial activity and prevent surgical site infection. In this study, we assumed that the concentration of zinc ions released from the scaffold will be correlated with the thickness of the zinc oxide coating on 3D-printed scaffolds. We investigated the adequate thickness of zinc oxide coating by comparing different scaffolds' characteristics, antibacterial activity, and in vitro cell response. The scaffolds' compressive modulus decreased as the zinc oxide coating thickness increased (10, 100 and 200 nm). However, the compressive modulus of scaffolds in this study were superior to those of other reported scaffolds because our scaffolds had a kagome structure and were made of composite material. In regard to the antibacterial activity and in vitro cell response, the in vitro cell proliferation on scaffolds with a zinc oxide coating was higher than that of the control scaffold. Moreover, the antibacterial activity of scaffolds with 100 or 200 nm-thick zinc oxide coating on Escherichia coli was superior to that of other scaffolds. Therefore, we concluded that the scaffold with a 100 nm-thick zinc oxide coating was the most appropriate scaffold to use as a bone-regenerating scaffold, given its mechanical property, its antibacterial activity, and its in vitro cell proliferation.
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Affiliation(s)
- Yong Sang Cho
- Medical IT Convergence Research Section, Daegu-Gyeongbuk Research Center, Electronics and Telecommunications Research Institute (ETRI), 1, Techno Sunhwan-ro 10-gil, Dalseong-gun, Daegu 42994, Korea;
| | - Hee-Kyeong Kim
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
| | - Min-Soo Ghim
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
| | - Myoung Wha Hong
- Department of Orthopedics, Daejeon St. Mary’s Hospital, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon 34943, Korea;
| | - Young Yul Kim
- Department of Orthopedics, Daejeon St. Mary’s Hospital, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon 34943, Korea;
| | - Young-Sam Cho
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
- Department of Mechanical Design Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
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38
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Safiaghdam H, Nokhbatolfoghahaei H, Khojasteh A. Therapeutic Metallic Ions in Bone Tissue Engineering: A Systematic Review of The Literature. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2020; 18:101-118. [PMID: 32802092 PMCID: PMC7393040 DOI: 10.22037/ijpr.2020.112641.13894] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
An important field of bone tissue engineering (BTE) concerns the design and fabrication of smart scaffolds capable of inducing cellular interactions and differentiation of osteo-progenitor cells. One of these additives that has gained growing attention is metallic ions as therapeutic agents (MITAs). The specific biological advantage that these ions bring to scaffolds as well as other potential mechanical, and antimicrobial enhancements may vary depending on the ion entity, fabrication method, and biomaterials used. Therefore, this article provides an overview on current status of In-vivo application of MITAs in BTE and the remaining challenges in the field. Electronic databases, including PubMed, Scopus, Science direct and Cochrane library were searched for studies on MITAs treatments for BTE. We searched for articles in English from January-2000 to October-2019. Abstracts, letters, conference papers and reviews, In-vitro studies, studies on alloys and studies investigating effects other than enhancement of new bone formation (NBF) were excluded. A detailed summary of relevant metallic ions with specific scaffold material and design, cell type, animal model and defect type, the implantation period, measured parameters and obtained qualitative and quantitative results is presented. No ideal material or fabrication method suited to deliver MITAs can yet be agreed upon, but an investigation into various systems and their drawbacks or potential advantages can lead the future research. A tendency to enhance NBF with MITAs can be observed in the studies. However, this needs to be validated with further studies comparing various ions with each other in the same animal model using critical-sized defects.
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Affiliation(s)
- Hannaneh Safiaghdam
- Student Research Committee, Dental school, Shahid Beheshti university of medical sciences, Tehran, Iran
| | - Hanieh Nokhbatolfoghahaei
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Khojasteh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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39
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Yang X, Chen S, Liu X, Yu M, Liu X. Drug Delivery Based on Nanotechnology for Target Bone Disease. Curr Drug Deliv 2020; 16:782-792. [PMID: 31530265 DOI: 10.2174/1567201816666190917123948] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 09/03/2019] [Accepted: 09/16/2019] [Indexed: 02/07/2023]
Abstract
Bone diseases are a serious problem in modern human life. With the coming acceleration of global population ageing, this problem will become more and more serious. Due to the specific physiological characteristics and local microenvironment of bone tissue, it is difficult to deliver drugs to the lesion site. Therefore, the traditional orthopedic medicine scheme has the disadvantages of high drug frequency, large dose and relatively strong side effects. How to target deliver drugs to the bone tissue or even target cells is the focus of the development of new drugs. Nano drug delivery system with a targeting group can realize precise delivery of orthopedic drugs and effectively reduce the systemic toxicity. In addition, the application of bone tissue engineering scaffolds and biomedical materials to realize in situ drug delivery also are research hotspot. In this article, we briefly review the application of nanotechnology in targeted therapies for bone diseases.
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Affiliation(s)
- Xiaosong Yang
- Orthopedic Department, Peking University Third Hospital, Beijing 100191, China
| | - Shizhu Chen
- Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Xiao Liu
- Orthopedic Department, Peking University Third Hospital, Beijing 100191, China
| | - Miao Yu
- Orthopedic Department, Peking University Third Hospital, Beijing 100191, China
| | - Xiaoguang Liu
- Orthopedic Department, Peking University Third Hospital, Beijing 100191, China
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40
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Lauer A, Wolf P, Mehler D, Götz H, Rüzgar M, Baranowski A, Henrich D, Rommens PM, Ritz U. Biofabrication of SDF-1 Functionalized 3D-Printed Cell-Free Scaffolds for Bone Tissue Regeneration. Int J Mol Sci 2020; 21:E2175. [PMID: 32245268 PMCID: PMC7139557 DOI: 10.3390/ijms21062175] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/19/2020] [Accepted: 03/20/2020] [Indexed: 12/15/2022] Open
Abstract
Large segmental bone defects occurring after trauma, bone tumors, infections or revision surgeries are a challenge for surgeons. The aim of our study was to develop a new biomaterial utilizing simple and cheap 3D-printing techniques. A porous polylactide (PLA) cylinder was printed and functionalized with stromal-derived factor 1 (SDF-1) or bone morphogenetic protein 7 (BMP-7) immobilized in collagen type I. Biomechanical testing proved biomechanical stability and the scaffolds were implanted into a 6 mm critical size defect in rat femur. Bone growth was observed via x-ray and after 8 weeks, bone regeneration was analyzed with µCT and histological staining methods. Development of non-unions was detected in the control group with no implant. Implantation of PLA cylinder alone resulted in a slight but not significant osteoconductive effect, which was more pronounced in the group where the PLA cylinder was loaded with collagen type I. Addition of SDF-1 resulted in an osteoinductive effect, with stronger new bone formation. BMP-7 treatment showed the most distinct effect on bone regeneration. However, histological analyses revealed that newly formed bone in the BMP-7 group displayed a holey structure. Our results confirm the osteoinductive character of this 3D-biofabricated cell-free new biomaterial and raise new options for its application in bone tissue regeneration.
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Affiliation(s)
- Alina Lauer
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Philipp Wolf
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Dorothea Mehler
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Hermann Götz
- CBU—Cell Biology Unit, PKZI, University Medical Center, BiomaTiCS, Johannes Gutenberg University, 55131 Mainz, Germany;
| | - Mehmet Rüzgar
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Andreas Baranowski
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Dirk Henrich
- Department of Trauma, Hand and Reconstructive Surgery, Goethe University Frankfurt, 60590 Frankfurt am Main, Germany;
| | - Pol Maria Rommens
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
| | - Ulrike Ritz
- Department of Orthopaedics and Traumatology, BiomaTiCS, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany; (A.L.); (P.W.); (D.M.); (M.R.); (A.B.); (P.M.R.)
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41
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Oustadi F, Imani R, Haghbin Nazarpak M, Sharifi AM. Genipin‐crosslinked gelatin hydrogel incorporated with PLLA‐nanocylinders as a bone scaffold: Synthesis, characterization, and mechanical properties evaluation. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.4905] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Fereshteh Oustadi
- Department of Biomedical EngineeringAmirkabir University of Technology (Tehran Polytechnic) Tehran Iran
| | - Rana Imani
- Department of Biomedical EngineeringAmirkabir University of Technology (Tehran Polytechnic) Tehran Iran
| | | | - Ali Mohammad Sharifi
- Department of PharmacologyRazi Institute for Drug Research, Iran University of Medical Sciences Tehran Iran
- Department of Tissue Engineering and Regenerative Medicine, School of Advanced Technologies in Medicine, School of MedicineIran University of Medical Sciences Tehran Iran
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42
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Porgham Daryasari M, Dusti Telgerd M, Hossein Karami M, Zandi-Karimi A, Akbarijavar H, Khoobi M, Seyedjafari E, Birhanu G, Khosravian P, SadatMahdavi F. Poly-l-lactic acid scaffold incorporated chitosan-coated mesoporous silica nanoparticles as pH-sensitive composite for enhanced osteogenic differentiation of human adipose tissue stem cells by dexamethasone delivery. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2020; 47:4020-4029. [PMID: 31595797 DOI: 10.1080/21691401.2019.1658594] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nowadays, the development of drug-loaded electrospun organic-inorganic composite scaffolds for tissue engineering application is an attractive approach. In this study, a composite scaffold of Poly-l-lactic acid (PLLA) incorporated dexamethasone (Dexa) loaded Mesoporous Silica Nanoparticles (MSN) coated with Chitosan (CS) were fabricated by electrospinning for bone tissue engineering application. The MSN was prepared by precipitation method. After that, Dexamethasone (Dexa) was loaded into MSNs (MSN-Dexa). In the following, CS was coated over the prepared nanoparticles to form MSN-Dexa@CS and then, were mixed to PLLA solution to form MSN-Dexa@CS/PLLA composite for electrospinning. The surface morphology, hydrophilicity, tensile strength and the bioactivity of the scaffolds were characterized. The osteogenic proliferation and differentiation potential were evaluated by MTT assay and by measuring the basic osteogenic markers: the activity of the enzyme alkaline phosphatase and the level of calcium deposition. The composite scaffolds prepared here have conductive surface property and have a better osteogenic potential than pure PLLA scaffolds. Hence, the controlled release of nanoparticle containing Dexa from composite scaffold supported the osteogenesis and made the composite scaffolds ideal candidates for bone tissue engineering application and pH-sensitive delivery of drugs at the site of implantation in tissue regeneration.
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Affiliation(s)
- Mohammad Porgham Daryasari
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences , Tehran , Iran.,Biomaterials Group, the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences , Tehran , Iran
| | - Mehdi Dusti Telgerd
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences , Tehran , Iran
| | | | - Ali Zandi-Karimi
- Department of Biotechnology, College of Science, University of Tehran , Tehran , Iran
| | - Hamid Akbarijavar
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences , Tehran , Iran
| | - Mehdi Khoobi
- Biomaterials Group, the Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences , Tehran , Iran.,Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Sciences , Tehran , Iran
| | - Ehsan Seyedjafari
- Department of Biotechnology, College of Science, University of Tehran , Tehran , Iran
| | - Gebremariam Birhanu
- Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, International campus (TUMS-IC) , Tehran , Iran.,School of Pharmacy, College of Health Sciences, Addis Ababa University , Addis Ababa , Ethiopia
| | - Pegah Khosravian
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences , Shahrekord , Iran
| | - Fatemeh SadatMahdavi
- Department of Animal and Poultry Science, College of Aburaihan, University of Tehran , Pakdasht, Tehran , Iran
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43
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Xu Y, Chen C, Hellwarth PB, Bao X. Biomaterials for stem cell engineering and biomanufacturing. Bioact Mater 2019; 4:366-379. [PMID: 31872161 PMCID: PMC6909203 DOI: 10.1016/j.bioactmat.2019.11.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/09/2019] [Accepted: 11/20/2019] [Indexed: 12/15/2022] Open
Abstract
Recent years have witnessed the expansion of tissue failures and diseases. The uprising of regenerative medicine converges the sight onto stem cell-biomaterial based therapy. Tissue engineering and regenerative medicine proposes the strategy of constructing spatially, mechanically, chemically and biologically designed biomaterials for stem cells to grow and differentiate. Therefore, this paper summarized the basic properties of embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs) and adult stem cells. The properties of frequently used biomaterials were also described in terms of natural and synthetic origins. Particularly, the combination of stem cells and biomaterials for tissue repair applications was reviewed in terms of nervous, cardiovascular, pancreatic, hematopoietic and musculoskeletal system. Finally, stem-cell-related biomanufacturing was envisioned and the novel biofabrication technologies were discussed, enlightening a promising route for the future advancement of large-scale stem cell-biomaterial based therapeutic manufacturing.
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Affiliation(s)
| | | | | | - Xiaoping Bao
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, West Lafayette, IN, 47907, USA
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44
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Iaquinta MR, Mazzoni E, Bononi I, Rotondo JC, Mazziotta C, Montesi M, Sprio S, Tampieri A, Tognon M, Martini F. Adult Stem Cells for Bone Regeneration and Repair. Front Cell Dev Biol 2019; 7:268. [PMID: 31799249 PMCID: PMC6863062 DOI: 10.3389/fcell.2019.00268] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 10/21/2019] [Indexed: 12/13/2022] Open
Abstract
The regeneration of bone fractures, resulting from trauma, osteoporosis or tumors, is a major problem in our super-aging society. Bone regeneration is one of the main topics of concern in regenerative medicine. In recent years, stem cells have been employed in regenerative medicine with interesting results due to their self-renewal and differentiation capacity. Moreover, stem cells are able to secrete bioactive molecules and regulate the behavior of other cells in different host tissues. Bone regeneration process may improve effectively and rapidly when stem cells are used. To this purpose, stem cells are often employed with biomaterials/scaffolds and growth factors to accelerate bone healing at the fracture site. Briefly, this review will describe bone structure and the osteogenic differentiation of stem cells. In addition, the role of mesenchymal stem cells for bone repair/regrowth in the tissue engineering field and their recent progress in clinical applications will be discussed.
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Affiliation(s)
- Maria Rosa Iaquinta
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Elisa Mazzoni
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Ilaria Bononi
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - John Charles Rotondo
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Chiara Mazziotta
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Monica Montesi
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Simone Sprio
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Mauro Tognon
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Fernanda Martini
- Department of Morphology, Surgery, and Experimental Medicine, University of Ferrara, Ferrara, Italy
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45
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Elshafay A, Omran ES, Abdelkhalek M, El-Badry MO, Eisa HG, Fala SY, Dang T, Ghanem MAT, Elbadawy M, Elhady MT, Vuong NL, Hirayama K, Huy NT. Reporting quality in systematic reviews of in vitro studies: a systematic review. Curr Med Res Opin 2019; 35:1631-1641. [PMID: 30977685 DOI: 10.1080/03007995.2019.1607270] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Background: Systematic reviews (SRs) and/or meta-analyses of in vitro research have an important role in establishing the foundation for clinical studies. In this study, we aimed to evaluate the reporting quality of SRs of in vitro studies using the PRISMA checklist.Method: Four databases were searched including PubMed, Virtual Health Library (VHL), Web of Science (ISI) and Scopus. The search was limited from 2006 to 2016 to include all SRs and/or meta-analyses (MAs) of pure in vitro studies. The evaluation of reporting quality was done using the PRISMA checklist.Results: Out of 7702 search results, 65 SRs were included and evaluated with the PRISMA checklist. Overall, the mean overall quality score of reported items of the PRISMA checklist was 68%. We have noticed an increasing pattern in the numbers of published SRs of in vitro studies over the last 10 years. In contrast, the reporting quality was not significantly improved over the same period (p = .363). There was a positive but not significant correlation between the overall quality score and the journal impact factor of the included studies.Conclusions: The adherence of SRs of in vitro studies to the PRISMA guidelines was poor. Therefore, we believe that using reporting guidelines and journals paying attention to this fact will improve the quality of SRs of in vitro studies.
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Affiliation(s)
- Abdelrahman Elshafay
- Faculty of Medicine, Al-Azhar University, Cairo, Egypt
- Online Research Club (http://www.onlineresearchclub.org/)
| | - Esraa Salah Omran
- Online Research Club (http://www.onlineresearchclub.org/)
- Kasralainy School of Medicine, Cairo University, Cairo, Egypt
| | - Mariam Abdelkhalek
- Online Research Club (http://www.onlineresearchclub.org/)
- Microbiology and Immunology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Mohamed Omar El-Badry
- Faculty of Medicine, Al-Azhar University, Cairo, Egypt
- Online Research Club (http://www.onlineresearchclub.org/)
| | - Heba Gamal Eisa
- Online Research Club (http://www.onlineresearchclub.org/)
- Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
| | - Salma Y Fala
- Online Research Club (http://www.onlineresearchclub.org/)
- Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Thao Dang
- Online Research Club (http://www.onlineresearchclub.org/)
- Surgery Department School of Medicine, Tan Tao University, Tan Duc Ecity, Vietnam
| | - Mohammad A T Ghanem
- Online Research Club (http://www.onlineresearchclub.org/)
- Department of Vascular Surgery, Uniklinik Magdeburg, Magdeburg, Germany
| | - Maha Elbadawy
- Online Research Club (http://www.onlineresearchclub.org/)
- Ministry of Health, Cairo, Egypt
| | - Mohamed Tamer Elhady
- Online Research Club (http://www.onlineresearchclub.org/)
- Department of Pediatrics, Zagazig University Hospitals, Faculty of Medicine, Sharkia, Egypt
| | - Nguyen Lam Vuong
- Online Research Club (http://www.onlineresearchclub.org/)
- Department of Medical Statistics and Informatics, Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Kenji Hirayama
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Nguyen Tien Huy
- Evidence Based Medicine Research Group & Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Department of Clinical Product Development, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
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46
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Hosseinpour S, He Y, Nanda A, Ye Q. MicroRNAs Involved in the Regulation of Angiogenesis in Bone Regeneration. Calcif Tissue Int 2019; 105:223-238. [PMID: 31175386 DOI: 10.1007/s00223-019-00571-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 06/01/2019] [Indexed: 12/11/2022]
Abstract
MicroRNAs (miRNAs) as a newly founded and thriving non-coding endogenous class of molecules which regulate many cellular pathways after transcription have been extensively investigated in regenerative medicine. In this systematic review, we sought to analyze miRNAs-mediated therapeutic approaches for influencing angiogenesis in bone tissue/bone regeneration. An electronic search in MEDLINE, Scopus, EMBASE, Cochrane library, web of science, and google scholar with no time limit were done on English publications. All types of original articles which a miRNA for angiogenesis in bone regeneration were included in our review. In the process of reviewing, we used PRISMA guideline and, SYRCLE's and science in risk assessment and policy tools for analyzing risk of bias. Among 751 initial retrieved records, 16 studies met the inclusion criteria and were fully assessed in this review. 275 miRNAs, one miRNA 195~497 cluster, and one Cysteine-rich 61 short hairpin RNA were differentially expressed during bone regeneration with 24 predicted targets reported in these studies. Among these miRNAs, miRNA-7b, -9, -21, -26a, -27a, -210, -378, -195~497 cluster, -378 and -675 positively promoted both angiogenesis and osteogenesis, whereas miRNA-10a, -222 and -494 inhibited both processes. The most common target was vasculoendothelial growth factor-signaling pathway. Recent evidence has demonstrated that miRNAs actively participated in angio-osteogenic coupling that can improve their therapeutic potentials for the treatment of bone-related diseases and bone regeneration. However, there is still need for further research to unravel the exact mechanisms.
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Affiliation(s)
- Sepanta Hosseinpour
- School of Dentistry, The University of Queensland, Herston, Brisbane, QLD, 4006, Australia
| | - Yan He
- School of Dentistry, The University of Queensland, Herston, Brisbane, QLD, 4006, Australia
| | - Ashwin Nanda
- School of Dentistry, The University of Queensland, Herston, Brisbane, QLD, 4006, Australia
| | - Qingsong Ye
- School of Dentistry, The University of Queensland, Herston, Brisbane, QLD, 4006, Australia.
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Synthetic Blocks for Bone Regeneration: A Systematic Review and Meta-Analysis. Int J Mol Sci 2019; 20:ijms20174221. [PMID: 31466409 PMCID: PMC6747264 DOI: 10.3390/ijms20174221] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 08/25/2019] [Accepted: 08/26/2019] [Indexed: 12/15/2022] Open
Abstract
This systematic review is aimed at evaluating the effectiveness of synthetic block materials for bone augmentation in preclinical in vivo studies. An electronic search was performed on Pubmed, Scopus, EMBASE. Articles selected underwent risk-of-bias assessment. The outcomes were: new bone formation and residual graft with histomorphometry, radiographic bone density, soft tissue parameters, complications. Meta-analysis was performed to compare new bone formation in test (synthetic blocks) vs. control group (autogenous blocks or spontaneous healing). The search yielded 214 articles. After screening, 39 studies were included, all performed on animal models: rabbits (n = 18 studies), dogs (n = 4), rats (n = 7), minipigs (n = 4), goats (n = 4), and sheep (n = 2). The meta-analysis on rabbit studies showed significantly higher new bone formation for synthetic blocks with respect to autogenous blocks both at four-week (mean difference (MD): 5.91%, 95% confidence intervals (CI): 1.04, 10.79%, p = 0.02) and at eight-week healing (MD: 4.44%, 95% CI: 0.71, 8.17%, p = 0.02). Other animal models evidenced a trend for better outcomes with synthetic blocks, though only based on qualitative analysis. Synthetic blocks may represent a viable resource in bone regenerative surgery for achieving new bone formation. Differences in the animal models, the design of included studies, and the bone defects treated should be considered when generalizing the results. Clinical studies are needed to confirm the effectiveness of synthetic blocks in bone augmentation procedures.
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Roi A, Ardelean LC, Roi CI, Boia ER, Boia S, Rusu LC. Oral Bone Tissue Engineering: Advanced Biomaterials for Cell Adhesion, Proliferation and Differentiation. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2296. [PMID: 31323766 PMCID: PMC6679077 DOI: 10.3390/ma12142296] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/11/2019] [Accepted: 07/16/2019] [Indexed: 12/23/2022]
Abstract
The advancements made in biomaterials have an important impact on oral tissue engineering, especially on the bone regeneration process. Currently known as the gold standard in bone regeneration, grafting procedures can sometimes be successfully replaced by a biomaterial scaffold with proper characteristics. Whether natural or synthetic polymers, biomaterials can serve as potential scaffolds with major influences on cell adhesion, proliferation and differentiation. Continuous research has enabled the development of scaffolds that can be specifically designed to replace the targeted tissue through changes in their surface characteristics and the addition of growth factors and biomolecules. The progress in tissue engineering is incontestable and research shows promising contributions to the further development of this field. The present review aims to outline the progress in oral tissue engineering, the advantages of biomaterial scaffolds, their direct implication in the osteogenic process and future research directions.
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Affiliation(s)
- Alexandra Roi
- Department of Oral Pathology, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Lavinia Cosmina Ardelean
- Department of Technology of Materials and Devices in Dental Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu sq, 300041 Timisoara, Romania.
| | - Ciprian Ioan Roi
- Department of Anaesthesiology and Oral Surgery, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Eugen-Radu Boia
- Department of Ear, Nose and Throat, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Simina Boia
- Department of Periodontology, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Laura-Cristina Rusu
- Department of Oral Pathology, "Victor Babes" University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania
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Siddiqui N, Asawa S, Birru B, Baadhe R, Rao S. PCL-Based Composite Scaffold Matrices for Tissue Engineering Applications. Mol Biotechnol 2019; 60:506-532. [PMID: 29761314 DOI: 10.1007/s12033-018-0084-5] [Citation(s) in RCA: 189] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Biomaterial-based scaffolds are important cues in tissue engineering (TE) applications. Recent advances in TE have led to the development of suitable scaffold architecture for various tissue defects. In this narrative review on polycaprolactone (PCL), we have discussed in detail about the synthesis of PCL, various properties and most recent advances of using PCL and PCL blended with either natural or synthetic polymers and ceramic materials for TE applications. Further, various forms of PCL scaffolds such as porous, films and fibrous have been discussed along with the stem cells and their sources employed in various tissue repair strategies. Overall, the present review affords an insight into the properties and applications of PCL in various tissue engineering applications.
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Affiliation(s)
- Nadeem Siddiqui
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Simran Asawa
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Bhaskar Birru
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Ramaraju Baadhe
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Sreenivasa Rao
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India.
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Akhlaghi F, Hesami N, Rad MR, Nazeman P, Fahimipour F, Khojasteh A. Improved bone regeneration through amniotic membrane loaded with buccal fat pad-derived MSCs as an adjuvant in maxillomandibular reconstruction. J Craniomaxillofac Surg 2019; 47:1266-1273. [PMID: 31337570 DOI: 10.1016/j.jcms.2019.03.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 03/29/2019] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Human amniotic membranes (HAMs), as a biological membrane with healing, osteogenic, and cell therapy potential, has been in the spotlight to enhance the outcomes of treating bone defects. Present study aims to clinically assess the potential of HAM loaded with buccal fat pad-derived stem cells (BFSCs) as an osteogenic coverage for onlay bone grafts to maxillomandibular bone defects. MATERIALS AND METHODS Nine patients with jaw bone defects were enrolled in the present study. The patients were allocated to two study groups: Iliac crest bone graft with HAM coverage (n = 5), and Iliac bone grafts covered with HAM loaded with BFSCs (n = 4). Five months following the grafting and prior to implant placement, cone beam computed tomography was performed for radiomorphometric analysis. RESULTS The mean increase in bone width was found to be significantly greater in the HAM + BFSCs group (4.42 ± 1.03 mm versus 3.07 ± 0.73 mm, p < 0.05). Further, the changes in vertical dimension were greater in the HAM + BFSCs group (4.66 ± 1.06 mm versus 4.14 ± 1.03 mm, p > 0.05). CONCLUSION Combined use of HAM with mesenchymal stem cells may enhance bone regeneration specifically in the horizontal dimension. Moreover, this methodology reduces the amount of harvested autogenous bone and diminish secondary bone resorption.
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Affiliation(s)
- Fahimeh Akhlaghi
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nima Hesami
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Rezai Rad
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pantea Nazeman
- Department of Periodontics, University of Washington, Seattle, WA, USA
| | - Farahnaz Fahimipour
- Department of Periodontology, School of Dentistry, University of North Carolina, Chapel Hill, NC, USA
| | - Arash Khojasteh
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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