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Moradi F, Aghamaali M, Hadavi M. Osteogenic differentiation of human amniotic mesenchymal stem cells by phycocyanin and phycoerythrin pigments isolated from Spirulina platensis and Gracilaria gracilis algae. Tissue Cell 2023; 85:102216. [PMID: 37774523 DOI: 10.1016/j.tice.2023.102216] [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: 06/14/2023] [Revised: 08/17/2023] [Accepted: 09/09/2023] [Indexed: 10/01/2023]
Abstract
Bone regeneration is a multistep and regular physiological process that occurs normally in fracture repair and bone defects. However, some factors such as aging, particular diseases and some drugs prevent or slowdown bone natural healing. Cell therapy using stem cells and differentiation activating factors is an effective treatment method for bone regeneration triggering in unusual conditions. Therefore, in the present study the effect of phycocyanin and phycoerythrin pigments which isolated from Spirulina platensis and Gracilaria gracilis algae was investigate on osteogenic differentiation potency of human Amniotic Mesenchymal Stem Cells (hAMSCs). For this purpose, hAMSCs were exposed to 300, 500, and 700 µg/ml concentrations of phycocyanin and phycoerythrin pigments and then the cells viability was measured with MTT assay in 48 and 72 h after treatment. The osteo-differentiation level of cells was studied by measuring ALP activity using calorimetric method and Alizarin red staining for calcium deposition in 7 and 21 days after treatment. Also, total RNA of cells was extracted in different time periods and then cDNA synthesized with specific primers, and relative expression of Runx2, β-catenin and Osteocalcin genes were investigated using SYBR Green RT-qPCR technique. Osteogenic differentiation of hAMSCs that treated with pigments was confirmed by mineral deposits staining and increased level of ALP activity. Furthermore, these pigments elevated significantly the expression of osteogenic marker genes compared to control samples and caused hAMSCs to differentiate into osteoblast cells. According to these results, phycocyanin and phycoerythrin may suggest as suitable osteogenic supplements with low toxicity, low cost and high efficiency, although the molecular mechanism of its efficacy is not available yet.
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Affiliation(s)
- Fatemeh Moradi
- Biochemistry Laboratory, Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
| | - Mahmoudreza Aghamaali
- Biochemistry Laboratory, Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran.
| | - Mahvash Hadavi
- Tissue Engineering Laboratory, Faculty of Science, Department of Biology, University of Guilan, Rasht, Iran
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2
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Shopova D, Mihaylova A, Yaneva A, Bakova D. Advancing Dentistry through Bioprinting: Personalization of Oral Tissues. J Funct Biomater 2023; 14:530. [PMID: 37888196 PMCID: PMC10607235 DOI: 10.3390/jfb14100530] [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: 09/16/2023] [Revised: 10/07/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023] Open
Abstract
Despite significant advancements in dental tissue restoration and the use of prostheses for addressing tooth loss, the prevailing clinical approaches remain somewhat inadequate for replicating native dental tissue characteristics. The emergence of three-dimensional (3D) bioprinting offers a promising innovation within the fields of regenerative medicine and tissue engineering. This technology offers notable precision and efficiency, thereby introducing a fresh avenue for tissue regeneration. Unlike the traditional framework encompassing scaffolds, cells, and signaling factors, 3D bioprinting constitutes a contemporary addition to the arsenal of tissue engineering tools. The ongoing shift from conventional dentistry to a more personalized paradigm, principally under the guidance of bioprinting, is poised to exert a significant influence in the foreseeable future. This systematic review undertakes the task of aggregating and analyzing insights related to the application of bioprinting in the context of regenerative dentistry. Adhering to PRISMA guidelines, an exhaustive literature survey spanning the years 2019 to 2023 was performed across prominent databases including PubMed, Scopus, Google Scholar, and ScienceDirect. The landscape of regenerative dentistry has ushered in novel prospects for dentoalveolar treatments and personalized interventions. This review expounds on contemporary accomplishments and avenues for the regeneration of pulp-dentin, bone, periodontal tissues, and gingival tissues. The progressive strides achieved in the realm of bioprinting hold the potential to not only enhance the quality of life but also to catalyze transformative shifts within the domains of medical and dental practices.
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Affiliation(s)
- Dobromira Shopova
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Anna Mihaylova
- Department of Healthcare Management, Faculty of Public Health, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria (D.B.)
| | - Antoniya Yaneva
- Department of Medical Informatics, Biostatistics and eLearning, Faculty of Public Health, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria;
| | - Desislava Bakova
- Department of Healthcare Management, Faculty of Public Health, Medical University of Plovdiv, 4000 Plovdiv, Bulgaria (D.B.)
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3
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Rossi N, Hadad H, Bejar-Chapa M, Peretti GM, Randolph MA, Redmond RW, Guastaldi FPS. Bone Marrow Stem Cells with Tissue-Engineered Scaffolds for Large Bone Segmental Defects: A Systematic Review. TISSUE ENGINEERING. PART B, REVIEWS 2023; 29:457-472. [PMID: 36905366 DOI: 10.1089/ten.teb.2022.0213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Critical-sized bone defects (CSBDs) represent a significant clinical challenge, stimulating researchers to seek new methods for successful bone reconstruction. The aim of this systematic review is to assess whether bone marrow stem cells (BMSCs) combined with tissue-engineered scaffolds have demonstrated improved bone regeneration in the treatment of CSBD in large preclinical animal models. A search of electronic databases (PubMed, Embase, Web of Science, and Cochrane Library) focused on in vivo large animal studies identified 10 articles according to the following inclusion criteria: (1) in vivo large animal models with segmental bone defects; (2) treatment with tissue-engineered scaffolds combined with BMSCs; (3) the presence of a control group; and (4) a minimum of a histological analysis outcome. Animal research: reporting of in Vivo Experiments guidelines were used for quality assessment, and Systematic Review Center for Laboratory animal Experimentation's risk of bias tool was used to define internal validity. The results demonstrated that tissue-engineered scaffolds, either from autografts or allografts, when combined with BMSCs provide improved bone mineralization and bone formation, including a critical role in the remodeling phase of bone healing. BMSC-seeded scaffolds showed improved biomechanical properties and microarchitecture properties of the regenerated bone when compared with untreated and scaffold-alone groups. This review highlights the efficacy of tissue engineering strategies for the repair of extensive bone defects in preclinical large-animal models. In particular, the use of mesenchymal stem cells, combined with bioscaffolds, seems to be a successful method in comparison to cell-free scaffolds.
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Affiliation(s)
- Nicolò Rossi
- Wellman Center for Photomedicine and Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Henrique Hadad
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Maria Bejar-Chapa
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Giuseppe M Peretti
- Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Mark A Randolph
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Robert W Redmond
- Wellman Center for Photomedicine and Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Fernando P S Guastaldi
- Skeletal Biology Research Center, Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts, USA
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Jin Y, Li S, Yu Q, Chen T, Liu D. Application of stem cells in regeneration medicine. MedComm (Beijing) 2023; 4:e291. [PMID: 37337579 PMCID: PMC10276889 DOI: 10.1002/mco2.291] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 04/25/2023] [Accepted: 05/08/2023] [Indexed: 06/21/2023] Open
Abstract
Regeneration is a complex process affected by many elements independent or combined, including inflammation, proliferation, and tissue remodeling. Stem cells is a class of primitive cells with the potentiality of differentiation, regenerate with self-replication, multidirectional differentiation, and immunomodulatory functions. Stem cells and their cytokines not only inextricably linked to the regeneration of ectodermal and skin tissues, but also can be used for the treatment of a variety of chronic wounds. Stem cells can produce exosomes in a paracrine manner. Stem cell exosomes play an important role in tissue regeneration, repair, and accelerated wound healing, the biological properties of which are similar with stem cells, while stem cell exosomes are safer and more effective. Skin and bone tissues are critical organs in the body, which are essential for sustaining life activities. The weak repairing ability leads a pronounced impact on the quality of life of patients, which could be alleviated by stem cell exosomes treatment. However, there are obstacles that stem cells and stem cells exosomes trough skin for improved bioavailability. This paper summarizes the applications and mechanisms of stem cells and stem cells exosomes for skin and bone healing. We also propose new ways of utilizing stem cells and their exosomes through different nanoformulations, liposomes and nanoliposomes, polymer micelles, microspheres, hydrogels, and scaffold microneedles, to improve their use in tissue healing and regeneration.
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Affiliation(s)
- Ye Jin
- School of PharmacyChangchun University of Chinese MedicineChangchunJilinChina
| | - Shuangyang Li
- School of PharmacyChangchun University of Chinese MedicineChangchunJilinChina
| | - Qixuan Yu
- School of PharmacyChangchun University of Chinese MedicineChangchunJilinChina
| | - Tianli Chen
- School of PharmacyChangchun University of Chinese MedicineChangchunJilinChina
| | - Da Liu
- School of PharmacyChangchun University of Chinese MedicineChangchunJilinChina
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Re F, Borsani E, Rezzani R, Sartore L, Russo D. Bone Regeneration Using Mesenchymal Stromal Cells and Biocompatible Scaffolds: A Concise Review of the Current Clinical Trials. Gels 2023; 9:gels9050389. [PMID: 37232981 DOI: 10.3390/gels9050389] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 05/27/2023] Open
Abstract
Bone regenerative medicine is a clinical approach combining live osteoblast progenitors, such as mesenchymal stromal cells (MSCs), with a biocompatible scaffold that can integrate into host bone tissue and restore its structural integrity. Over the last few years, many tissue engineering strategies have been developed and thoroughly investigated; however, limited approaches have been translated to clinical application. Consequently, the development and clinical validation of regenerative approaches remain a centerpiece of investigational efforts towards the clinical translation of advanced bioengineered scaffolds. The aim of this review was to identify the latest clinical trials related to the use of scaffolds with or without MSCs to regenerate bone defects. A revision of the literature was performed in PubMed, Embase, and Clinicaltrials.gov from 2018 up to 2023. Nine clinical trials were analyzed according to the inclusion criteria: six presented in the literature and three reported in Clinicaltrials.gov. Data were extracted covering background trial information. Six of the clinical trials added cells to scaffolds, while three used scaffolds alone. The majority of scaffolds were composed of calcium phosphate ceramic alone, such as β-tricalcium phosphate (TCP) (two clinical trials), biphasic calcium phosphate bioceramic granules (three clinical trials), and anorganic bovine bone (two clinical trials), while bone marrow was the primary source of the MSCs (five clinical trials). The MSC expansion was performed in GMP facilities, using human platelet lysate (PL) as a supplement without osteogenic factors. Only one trial reported minor adverse events. Overall, these findings highlight the importance and efficacy of cell-scaffold constructs in regenerative medicine under different conditions. Despite the encouraging clinical results obtained, further studies are needed to assess their clinical efficacy in treating bone diseases to optimize their application.
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Affiliation(s)
- Federica Re
- Unit of Blood Diseases and Cell Therapies, Department of Clinical and Experimental Sciences, University of Brescia, "ASST-Spedali Civili" Hospital of Brescia, 25123 Brescia, Italy
- Centro di Ricerca Emato-Oncologica AIL (CREA), ASST Spedali Civili, 25123 Brescia, Italy
| | - Elisa Borsani
- Division of Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy
- Interdepartmental University Center of Research "Adaption and Regeneration of Tissues and Organs (ARTO)", University of Brescia, 25123 Brescia, Italy
| | - Rita Rezzani
- Division of Anatomy and Physiopathology, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy
- Interdepartmental University Center of Research "Adaption and Regeneration of Tissues and Organs (ARTO)", University of Brescia, 25123 Brescia, Italy
| | - Luciana Sartore
- Department of Mechanical and Industrial Engineering, Materials Science and Technology Laboratory, University of Brescia, 25123 Brescia, Italy
| | - Domenico Russo
- Unit of Blood Diseases and Cell Therapies, Department of Clinical and Experimental Sciences, University of Brescia, "ASST-Spedali Civili" Hospital of Brescia, 25123 Brescia, Italy
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Kido HW, Gabbai-Armelin PR, Magri A, Fernandes KR, Cruz MA, Santana AF, Caliari HM, Parisi JR, Avanzi IR, Daguano J, Granito RN, Fortulan CA, Rennó A. Bioglass/collagen scaffolds combined with bone marrow stromal cells on bone healing in an experimental model in cranial defects in rats. J Biomater Appl 2023; 37:1632-1644. [PMID: 36916869 DOI: 10.1177/08853282231163752] [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: 03/16/2023]
Abstract
This study aimed to develop bone regenerative therapeutic strategies, based on the addition of bone marrow stromal cells (BMSC) on bioglass/collagen (BG/COL) scaffolds. For this purpose, an in vivo study was conducted using tissue response of the BG/COL scaffolds combined with BMSC in a critical-size defects. Wistar rats were submitted to the surgical procedure to perform the cranial critical size bone defects and distributed in four groups (20 animals per group): Control Group (CG) (rats submitted to the cranial bone defect surgery without treatment), Bioglass Group (BG) (rats treated with BG), BG/COL Group (rats treated with BG/COL) and Bioglass/Collagen and BMSC Group (BG/COL/BMSC) (rats treated with BG/COL scaffolds enriched with BMSCs). Animals were euthanized 15 and 30 days after surgery. Scanning electron microscopy, histopathological and immunohistochemistry analysis were used. SEM analysis demonstrated that porous scaffolds were obtained, and Col fibers were successfully impregnated to BG matrices. The implantation of the BMSC on BG/COL based scaffolds was effective in stimulating newly bone formation and produced an increased immunoexpression of markers related to the bone repair. These results highlight the potential of BG/COL scaffolds and BMSCs to be used as a therapeutic approach for bone regeneration.
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Affiliation(s)
- H W Kido
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil.,Postgraduate Program in Biophotonics Applied to Health Sciences, Universidade Nove de Julho (UNINOVE), São Paulo, Brazil
| | - P R Gabbai-Armelin
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Amp Magri
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil.,University Center of the Guaxupé Educational Foundation (UNIFEG), Guaxupé, Brazil
| | - K R Fernandes
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - M A Cruz
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - A F Santana
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - H M Caliari
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - J R Parisi
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - I R Avanzi
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Jkmb Daguano
- Center for Engineering, Modeling and Applied Social Sciences, 74362Federal University of ABC (UFABC), São Bernardo do Campo, Brazil
| | - R N Granito
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - C A Fortulan
- Department of Mechanical Engineering, 28133University of São Paulo (USP) São Carlos, São Carlos, Brazil
| | - Acm Rennó
- Department of Biosciences, 28105Federal University of São Paulo (UNIFESP), Santos, Brazil
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Deng X, Deng L, Xu M, Sun Y, Yang M. Effects of SIRT1 on Osteogenic Differentiation of Bone Marrow Mesenchymal Stem Cells in Type 2 Diabetic Patients. Endocr Metab Immune Disord Drug Targets 2023; 23:1077-1086. [PMID: 36624641 DOI: 10.2174/1871530323666230109124631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Patients with type 2 diabetes mellitus (T2DM) are at high risk for osteoporosis. SIRT1 plays an important regulatory role in the occurrence and development of diabetes mellitus; however, it is still not clear whether SIRT1 is directly related to the osteogenic ability of bone marrow mesenchymal stem cells (BMSCs) in T2DM patients. METHODS We obtained BMSCs from patients with T2DM and healthy volunteers to determine the effect of SIRT1 expression on the osteogenic capacity of BMSCs. As a result, SIRT1 expression in BMSCs in T2DM was significantly lower compared to healthy volunteers, but the proliferative capacity of BMSCs in the T2DM group was not significantly different from that of healthy volunteers. RESULTS During osteogenic differentiation, the expression of SIRT1 in MSCs from T2DM patients was significantly decreased, and the osteogenic differentiation ability of MSCs from T2DM patients was significantly lower than healthy volunteers. After intervention with resveratrol, the expression of SIRT1 increased significantly, and the apoptotic rate of MSCs in T2DM patients decreased significantly. Moreover, resveratrol promoted osteoblast differentiation of MSCs. CONCLUSION Our study confirmed that the expression of SIRT1 is directly related to the osteogenic potential of BMSCs in patients with T2DM. Resveratrol promoted the osteogenic differentiation of BMSCs by increasing the expression of SIRT1. The increased expression of SIRT1 significantly reduced BMSC apoptosis during osteogenic differentiation, which is one of the important mechanisms by which SIRT1 regulates the osteogenic ability of BMSCs. Our data also provide strong evidence that resveratrol may be used in the treatment of osteoporosis in patients with T2DM.
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Affiliation(s)
- Xiangqun Deng
- Department of Endocrinology, Wuhan Third Hospital, Wuhan University, Wuhan 430062, China
| | - Ling Deng
- Department of Cardiology, Wuhan Third Hospital, Wuhan University, Wuhan 430062, China
| | - Min Xu
- Department of Clinical Laboratory, Changzhou No. 2 People's Hospital, Nanjing Medical University, Changzhou 213003, China
| | - Yanlei Sun
- Department of Endocrinology, Wuhan Third Hospital, Wuhan University, Wuhan 430062, China
| | - Mei Yang
- Department of Endocrinology, Wuhan Third Hospital, Wuhan University, Wuhan 430062, China
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Rayat Pisheh H, Ansari M, Eslami H. How is mechanobiology involved in bone regenerative medicine? Tissue Cell 2022; 76:101821. [DOI: 10.1016/j.tice.2022.101821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/27/2022] [Accepted: 05/10/2022] [Indexed: 10/18/2022]
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Engel N, Fechner C, Voges A, Ott R, Stenzel J, Siewert S, Bergner C, Khaimov V, Liese J, Schmitz KP, Krause BJ, Frerich B. An optimized 3D-printed perfusion bioreactor for homogeneous cell seeding in bone substitute scaffolds for future chairside applications. Sci Rep 2021; 11:22228. [PMID: 34782672 PMCID: PMC8593024 DOI: 10.1038/s41598-021-01516-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 10/20/2021] [Indexed: 12/03/2022] Open
Abstract
A clinical implementation of cell-based bone regeneration in combination with scaffold materials requires the development of efficient, controlled and reproducible seeding procedures and a tailor-made bioreactor design. A perfusion system for efficient, homogeneous, and rapid seeding with human adipogenic stem cells in bone substitute scaffolds was designed. Variants concerning medium inlet and outlet port geometry, i.e. cylindrical or conical diffuser, cell concentration, perfusion mode and perfusion rates were simulated in silico. Cell distribution during perfusion was monitored by dynamic [18F]FDG micro-PET/CT and validated by laser scanning microscopy with three-dimensional image reconstruction. By iterative feedback of the in silico and in vitro experiments, the homogeneity of cell distribution throughout the scaffold was optimized with adjustment of flow rates, cell density and perfusion properties. Finally, a bioreactor with a conical diffusor geometry was developed, that allows a homogeneous cell seeding (hoover coefficient: 0.24) in less than 60 min with an oscillating perfusion mode. During this short period of time, the cells initially adhere within the entire scaffold and stay viable. After two weeks, the formation of several cell layers was observed, which was associated with an osteogenic differentiation process. This newly designed bioreactor may be considered as a prototype for chairside application.
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Affiliation(s)
- Nadja Engel
- Experimental Research Laboratory, Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany
| | - Carsten Fechner
- Experimental Research Laboratory, Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany
| | - Annika Voges
- Experimental Research Laboratory, Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany
| | - Robert Ott
- Institute for Implant Technology and Biomaterials e.V, Friedrich-Barnewitz-Str. 4, 18119, Rostock, Germany
| | - Jan Stenzel
- Core Facility Multimodal Small Animal Imaging, Rostock University Medical Center, Schillingallee 69a, 18057, Rostock, Germany
| | - Stefan Siewert
- Institute for Implant Technology and Biomaterials e.V, Friedrich-Barnewitz-Str. 4, 18119, Rostock, Germany
| | - Carina Bergner
- Radiopharmacy, Department of Nuclear Medicine, Rostock University Medical Center, Gertrudenplatz 1, 18057, Rostock, Germany
| | - Valeria Khaimov
- Institute for Implant Technology and Biomaterials e.V, Friedrich-Barnewitz-Str. 4, 18119, Rostock, Germany
| | - Jan Liese
- Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany
| | - Klaus-Peter Schmitz
- Institute for Implant Technology and Biomaterials e.V, Friedrich-Barnewitz-Str. 4, 18119, Rostock, Germany
| | - Bernd Joachim Krause
- Department of Nuclear Medicine, Rostock University Medical Center, Gertrudenplatz 1, 18057, Rostock, Germany
| | - Bernhard Frerich
- Experimental Research Laboratory, Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany. .,Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, Schillingallee 35, 18057, Rostock, Germany.
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