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Jiang X, Zhijian T, Min C, Rong Y, Xinghui T, Gong X. Basic study on cryopreservation of rat calvarial osteoblasts with different cryoprotectants. Cell Tissue Bank 2024:10.1007/s10561-024-10142-3. [PMID: 38976150 DOI: 10.1007/s10561-024-10142-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 05/25/2024] [Indexed: 07/09/2024]
Abstract
Cryopreservation is a method adopted for storage of autologous skulls. Herein, this current research sought to explore the effects of different cryoprotectants on the biological characteristics of rat calvarial osteoblasts after cryopreservation. Neonatal Sprague-Dawley rats were selected and their skull tissues were isolated. The skull tissues were allocated into the refrigerating-3M, refrigerating-6M, M199-3M, M199-6M, povidone iodine-3M, and povidone iodine-6M groups according to the usage of cryoprotectants and treatment time (month) and the fresh group. Osteoblasts were isolated from skull tissues in each group through digestion. The histomorphology of the skull was evaluated by H&E staining and cell morphology was observed by microscopy. The viability, proliferation, apoptosis, and osteogenic activity of osteoblasts were assessed by trypan blue staining, MTT, flow cytometry, and alkaline phosphatase (ALP) staining. The skull histomorphology and osteoblast morphology were similar between the fresh and refrigerating groups. Osteoblast viability was weakened after cryopreservation. The longer the refrigeration time, the lower the number of living cells and the higher the apoptosis rate. However, cryopreservation using different cryoprotectants did not evidently affect osteoblast proliferation and ALP activity. Different cryoprotectants show no apparent effect on the osteogenic activity of rat calvarial osteoblasts after cryopreservation.
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Affiliation(s)
- Xu Jiang
- Department of Neurosurgery, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, No. 61, West Jiefang Road, Furong District, Changsha, 410005, Hunan, People's Republic of China
| | - Tan Zhijian
- Department of Neurosurgery, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, No. 61, West Jiefang Road, Furong District, Changsha, 410005, Hunan, People's Republic of China
| | - Cao Min
- Research and Development Center, Hunan Chuang He Biotechnology Limited Company, Changsha, 410205, Hunan, People's Republic of China
| | - Yu Rong
- Research and Development Center, Hunan Chuang He Biotechnology Limited Company, Changsha, 410205, Hunan, People's Republic of China
| | - Tan Xinghui
- Research and Development Center, Hunan Chuang He Biotechnology Limited Company, Changsha, 410205, Hunan, People's Republic of China.
| | - Xin Gong
- Department of Neurosurgery, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, No. 61, West Jiefang Road, Furong District, Changsha, 410005, Hunan, People's Republic of China.
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Gousias K, Stricker I, Hoyer A, Theocharous T, Rompf C, Pranada AB, Tannapfel A, Agrawal R, Tischoff I. Explanted Skull Flaps after Decompressive Hemicraniectomy Demonstrate Relevant Bone Avitality-Is Their Reimplantation Worth the Risk? Brain Sci 2023; 13:1277. [PMID: 37759878 PMCID: PMC10526390 DOI: 10.3390/brainsci13091277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 08/26/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Reimplantations of autologous skull flaps after decompressive hemicraniectomies (DHs) are associated with high rates of postoperative bone flap resorption (BFR). We histologically assessed the cell viability of explanted bone flaps in certain periods of time after DH, in order to conclude whether precursors of BRF may be developed during their storage. METHODS Skull bone flaps explanted during a DH between 2019 and 2020 were stored in a freezer at either -23 °C or -80 °C. After their thawing process, the skulls were collected. Parameters of bone metabolism, namely PTH1 and OPG, were analyzed via immunohistochemistry. H&E stain was used to assess the degree of avital bone tissue, whereas the repeated assays were performed after 6 months. RESULTS A total of 17 stored skull flaps (8 at -23 °C; 9 at -80 °C) were analyzed. The duration of cryopreservation varied between 2 and 17 months. A relevant degree of bone avitality was observed in all skull flaps, which significantly increased at the repeated evaluation after 6 months (p < 0.001). Preservation at -23 °C (p = 0.006) as well as longer storage times (p < 0.001) were identified as prognostic factors for higher rates of bone avitality in a linear mixed regression model. CONCLUSIONS Our novel finding shows a clear benefit from storage at -80° C, which should be carefully considered for the future management and storage of explanted skull flaps. Our analysis also further revealed a significant degree of bone avitality, a potential precursor of BFR, in skull flaps stored for several weeks. To this end, we should reconsider whether the reimplantation of autologous skull flaps instead of synthetic skull flaps is still justified.
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Affiliation(s)
- Konstantinos Gousias
- Department of Neurosurgery, Academic Hospital of University of Muenster, St. Marien Hospital Luenen, 44532 Luenen, Germany; (T.T.); (R.A.)
- Medical School, Westfaelische Wilhelms University of Muenster, 48149 Muenster, Germany
- Medical School, University of Nicosia, Nicosia 2408, Cyprus
| | - Ingo Stricker
- Institute of Pathology, Ruhr University Bochum, 44789 Bochum, Germany; (I.S.); (A.T.); (I.T.)
| | - Annika Hoyer
- Biostatistics and Medical Biometry, Medical School OWL, Bielefeld University, 33615 Bielefeld, Germany;
| | - Theocharis Theocharous
- Department of Neurosurgery, Academic Hospital of University of Muenster, St. Marien Hospital Luenen, 44532 Luenen, Germany; (T.T.); (R.A.)
| | - Csilla Rompf
- MVZ Dr. Eberhard & Partner Dortmund, 44137 Dortmund, Germany; (C.R.); (A.B.P.)
| | - Arthur B. Pranada
- MVZ Dr. Eberhard & Partner Dortmund, 44137 Dortmund, Germany; (C.R.); (A.B.P.)
| | - Andrea Tannapfel
- Institute of Pathology, Ruhr University Bochum, 44789 Bochum, Germany; (I.S.); (A.T.); (I.T.)
| | - Rachit Agrawal
- Department of Neurosurgery, Academic Hospital of University of Muenster, St. Marien Hospital Luenen, 44532 Luenen, Germany; (T.T.); (R.A.)
| | - Iris Tischoff
- Institute of Pathology, Ruhr University Bochum, 44789 Bochum, Germany; (I.S.); (A.T.); (I.T.)
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Martín-López M, Rosell-Valle C, Arribas-Arribas B, Fernández-Muñoz B, Jiménez R, Nogueras S, García-Delgado AB, Campos F, Santos-González M. Bioengineered tissue and cell therapy products are efficiently cryopreserved with pathogen-inactivated human platelet lysate-based solutions. Stem Cell Res Ther 2023; 14:69. [PMID: 37024935 PMCID: PMC10079488 DOI: 10.1186/s13287-023-03300-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/24/2023] [Indexed: 04/08/2023] Open
Abstract
BACKGROUND There remains much interest in improving cryopreservation techniques for advanced therapy medicinal products (ATMPs). Recently, human platelet lysate (hPL) has emerged as a promising candidate to replace fetal bovine serum (FBS) as a xeno-free culture supplement for the expansion of human cell therapy products. Whether hPL can also substitute for FBS in cryopreservation procedures remains poorly studied. Here, we evaluated several cryoprotective formulations based on a proprietary hPL for the cryopreservation of bioengineered tissues and cell therapy products. METHODS We tested different xenogeneic-free, pathogen-inactivated hPL (ihPL)- and non-inactivated-based formulations for cryopreserving bioengineered tissue (cellularized nanostructured fibrin agarose hydrogels (NFAHs)) and common cell therapy products including bone marrow-derived mesenchymal stromal cells (BM-MSCs), human dermal fibroblasts (FBs) and neural stem cells (NSCs). To assess the tissue and cellular properties post-thaw of NFAHs, we analyzed their cell viability, identity and structural and biomechanical properties. Also, we evaluated cell viability, recovery and identity post-thaw in cryopreserved cells. Further properties like immunomodulation, apoptosis and cell proliferation were assessed in certain cell types. Additionally, we examined the stability of the formulated solutions. The formulations are under a bidding process with MD Bioproducts (Zurich, Switzerland) and are proprietary. RESULTS Amongst the tissue-specific solutions, Ti5 (low-DMSO and ihPL-based) preserved the viability and the phenotype of embedded cells in NFAHs and preserved the matrix integrity and biomechanical properties similar to those of the standard cryopreservation solution (70% DMEM + 20% FBS + 10% DMSO). All solutions were stable at - 20 °C for at least 3 months. Regarding cell-specific solutions, CeA maintained the viability of all cell types > 80%, preserved the immunomodulatory properties of BM-MSCs and promoted good recovery post-thaw. Besides, both tested solutions were stable at - 20 °C for 18 months. Finally, we established that there is a 3-h window in which thawed NFAHs and FBs maintain optimum viability immersed in the formulated solutions and at least 2 h for BM-MSCs. CONCLUSIONS Our results show that pathogen-inactivated solutions Ti5 allocated for bioengineered tissues and CeA allocated for cells are efficient and safe candidates to cryopreserve ATMPs and offer a xenogeneic-free and low-DMSO alternative to commercially available cryoprotective solutions.
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Affiliation(s)
- María Martín-López
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain
- Programa de Doctorado en Biología Molecular, Biomedicina e Investigación Clínica, Universidad de Sevilla, Seville, Spain
| | - Cristina Rosell-Valle
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain
| | - Blanca Arribas-Arribas
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain
- Programa de Doctorado en Farmacia, Universidad de Sevilla, Seville, Spain
| | - Beatriz Fernández-Muñoz
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain
| | - Rosario Jiménez
- Unidad de Terapia Celular, Hospital Universitario Reina Sofía, 14004, Córdoba, Spain
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14004, Córdoba, Spain
| | - Sonia Nogueras
- Unidad de Terapia Celular, Hospital Universitario Reina Sofía, 14004, Córdoba, Spain
- Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), 14004, Córdoba, Spain
| | - Ana Belén García-Delgado
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain
- Departamento de Farmacia y Tecnología Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, Seville, Spain
| | - Fernando Campos
- Tissue Engineering Group, Department of Histology, Universidad de Granada, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.Granada, Granada, Spain
| | - Mónica Santos-González
- Unidad de Producción y Reprogramación Celular (UPRC), Red Andaluza de Diseño y Traslación de Terapias Avanzadas (RAdytTA), Fundación Progreso y Salud, 41092, Seville, Spain.
- Centro de Transfusiones, Tejidos y Células de Sevilla (CTTS), Fundación Pública Andaluza para la Gestión de la Investigación en Salud en Sevilla (FISEVI), 41013, Seville, Spain.
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Einenkel R, Schallmoser A, Sänger N. Metabolic and secretory recovery of slow frozen-thawed human ovarian tissue in vitro. Mol Hum Reprod 2022; 28:6808636. [PMID: 36342218 DOI: 10.1093/molehr/gaac037] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/19/2022] [Indexed: 11/09/2022] Open
Abstract
Within the options available for fertility preservation, cryopreservation of ovarian cortical tissue has become an important technique. Freezing and thawing procedures have been optimized to preserve tissue integrity and viability. However, the improvement of the tissue retransplantation is currently of great interest. Rapid angiogenesis is needed at the retransplantation site to accomplish sufficient blood supply to provide oxygen and nutrients. Many studies address this issue. However, we need to understand the physiology of the thawed tissue to gain further understanding of the complexities of the procedure. As freezing and thawing generally impairs cellular metabolism, we aimed to characterize the changes in metabolic activity and secretion of the angiogenic factor vascular endothelial growth factor-A (VEGF-A) of frozen-thawed ovarian cortical tissue over time. Biopsy punches of ovarian cortical tissue from patients undergoing fertility preservation were maintained in culture without freezing or after a slow-freezing and thawing procedure. VEGF-A secretion was measured after 48 h by ELISA. To examine temporary changes, metabolic activity was assessed for both fresh and frozen-thawed tissue of the same patient. Metabolic activity and VEGF-A secretion were measured at 0, 24 and 48 h in culture. Thawed ovarian cortical tissue secreted significantly less VEGF-A compared to fresh ovarian cortical tissue within 48 h of culture. After thawing, metabolic activity was significantly reduced compared to fresh ovarian cortex but over the course of 48 h, the metabolic activity recovered. Similarly, VEGF-A secretion of thawed tissue increased significantly over 48 h. Here, we have shown that it takes 48 h for ovarian cortical tissue to recover metabolically after thawing, including VEGF-A secretion.
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Affiliation(s)
- Rebekka Einenkel
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital Bonn, Bonn, Germany
| | - Andreas Schallmoser
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital Bonn, Bonn, Germany
| | - Nicole Sänger
- Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital Bonn, Bonn, Germany
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Pan RL, Martyniak K, Karimzadeh M, Gelikman DG, DeVries J, Sutter K, Coathup M, Razavi M, Sawh-Martinez R, Kean TJ. Systematic review on the application of 3D-bioprinting technology in orthoregeneration: current achievements and open challenges. J Exp Orthop 2022; 9:95. [PMID: 36121526 PMCID: PMC9485345 DOI: 10.1186/s40634-022-00518-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Joint degeneration and large or complex bone defects are a significant source of morbidity and diminished quality of life worldwide. There is an unmet need for a functional implant with near-native biomechanical properties. The potential for their generation using 3D bioprinting (3DBP)-based tissue engineering methods was assessed. We systematically reviewed the current state of 3DBP in orthoregeneration. METHODS This review was performed using PubMed and Web of Science. Primary research articles reporting 3DBP of cartilage, bone, vasculature, and their osteochondral and vascular bone composites were considered. Full text English articles were analyzed. RESULTS Over 1300 studies were retrieved, after removing duplicates, 1046 studies remained. After inclusion and exclusion criteria were applied, 114 articles were analyzed fully. Bioink material types and combinations were tallied. Cell types and testing methods were also analyzed. Nearly all papers determined the effect of 3DBP on cell survival. Bioink material physical characterization using gelation and rheology, and construct biomechanics were performed. In vitro testing methods assessed biochemistry, markers of extracellular matrix production and/or cell differentiation into respective lineages. In vivo proof-of-concept studies included full-thickness bone and joint defects as well as subcutaneous implantation in rodents followed by histological and µCT analyses to demonstrate implant growth and integration into surrounding native tissues. CONCLUSIONS Despite its relative infancy, 3DBP is making an impact in joint and bone engineering. Several groups have demonstrated preclinical efficacy of mechanically robust constructs which integrate into articular joint defects in small animals. However, notable obstacles remain. Notably, researchers encountered pitfalls in scaling up constructs and establishing implant function and viability in long term animal models. Further, to translate from the laboratory to the clinic, standardized quality control metrics such as construct stiffness and graft integration metrics should be established with investigator consensus. While there is much work to be done, 3DBP implants have great potential to treat degenerative joint diseases and provide benefit to patients globally.
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Affiliation(s)
- Rachel L Pan
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Kari Martyniak
- Biionix Cluster, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA
| | - Makan Karimzadeh
- Biionix Cluster, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA
| | - David G Gelikman
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Jonathan DeVries
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Kelly Sutter
- College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Melanie Coathup
- Biionix Cluster, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA
| | - Mehdi Razavi
- Biionix Cluster, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA
| | - Rajendra Sawh-Martinez
- College of Medicine, University of Central Florida, Orlando, FL, USA.,Plastic and Reconstructive Surgery, AdventHealth, Orlando, FL, USA
| | - Thomas J Kean
- Biionix Cluster, College of Medicine, University of Central Florida, 6900 Lake Nona Blvd, Orlando, FL, 32827, USA.
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Tomás RMF, Bissoyi A, Congdon TR, Gibson MI. Assay-ready Cryopreserved Cell Monolayers Enabled by Macromolecular Cryoprotectants. Biomacromolecules 2022; 23:3948-3959. [PMID: 35972897 PMCID: PMC9472225 DOI: 10.1021/acs.biomac.2c00791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
![]()
Cell monolayers underpin the discovery and screening
of new drugs
and allow for fundamental studies of cell biology and disease. However,
current cryopreservation technologies do not allow cells to be stored
frozen while attached to tissue culture plastic. Hence, cells must
be thawed from suspension, cultured for several days or weeks, and
finally transferred into multiwell plates for the desired application.
This inefficient process consumes significant time handling cells,
rather than conducting biomedical research or other value-adding activities.
Here, we demonstrate that a synthetic macromolecular cryoprotectant
enables the routine, reproducible, and robust cryopreservation of
biomedically important cell monolayers, within industry-standard tissue
culture multiwell plates. The cells are simply thawed with media and
placed in an incubator ready to use within 24 h. Post-thaw cell recovery
values were >80% across three cell lines with low well-to-well
variance.
The cryopreserved cells retained healthy morphology, membrane integrity,
proliferative capacity, and metabolic activity; showed marginal increases
in apoptotic cells; and responded well to a toxicological challenge
using doxorubicin. These discoveries confirm that the cells are “assay-ready”
24 h after thaw. Overall, we show that macromolecular cryoprotectants
can address a long-standing cryobiological challenge and offers the
potential to transform routine cell culture for biomedical discovery.
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Affiliation(s)
- Ruben M F Tomás
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Akalabya Bissoyi
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | | | - Matthew I Gibson
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.,Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
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Leppik L, Gempp A, Kuçi Z, Kuçi S, Bader P, Bönig H, Marzi I, Henrich D. A New Perspective for Bone Tissue Engineering: Human Mesenchymal Stromal Cells Well-Survive Cryopreservation on β-TCP Scaffold and Show Increased Ability for Osteogenic Differentiation. Int J Mol Sci 2022; 23:ijms23031425. [PMID: 35163348 PMCID: PMC8835857 DOI: 10.3390/ijms23031425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/15/2022] [Accepted: 01/25/2022] [Indexed: 02/01/2023] Open
Abstract
The clinical breakthrough of bone tissue engineering (BTE) depends on the ability to provide patients routinely with BTE products of consistent pharmacological quality. The bottleneck of this approach is the availability of stem cells. To avoid this, we suggest immobilization of random-donor-derived heterologous osteoinductive MSCs onto osteoconductive matrices. Such BTE products could then be frozen and, after thawing, could be released as ready-to-use products for permanent implantation during surgery. For this purpose, we developed a simple protocol for cryopreservation of BTE constructs and evaluated the effects of this procedure on human MSC (hMSCs) metabolic and osteogenic activity in vitro. Our findings show that hMSCs can be freeze-thawed on a β-TCP scaffold through a technically simple procedure. Treated cells sustained their metabolic activity and showed favorable osteogenic potential. Mechanistically, HIF1α and YBX1 genes were activated after freeze-thawing, and supposed to be linked to enhanced osteogenesis. However, the detailed mechanisms as to how the cryopreservation procedure beneficially affects the osteogenic potential of hMSCs remains to be evaluated. Additionally, we demonstrated that our BTE products could be stored for 3 days on dry ice; this could facilitate the supply chain management of cryopreserved BTE constructs from the site of manufacture to the operating room.
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Affiliation(s)
- Liudmila Leppik
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University, 60590 Frankfurt am Main, Germany; (A.G.); (I.M.); (D.H.)
- Correspondence:
| | - Anna Gempp
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University, 60590 Frankfurt am Main, Germany; (A.G.); (I.M.); (D.H.)
| | - Zyrafete Kuçi
- Department for Children and Adolescents, Division for Stem Cell Transplantation and Immunology, University Hospital Frankfurt, 60590 Frankfurt am Main, Germany; (Z.K.); (S.K.); (P.B.)
| | - Selim Kuçi
- Department for Children and Adolescents, Division for Stem Cell Transplantation and Immunology, University Hospital Frankfurt, 60590 Frankfurt am Main, Germany; (Z.K.); (S.K.); (P.B.)
| | - Peter Bader
- Department for Children and Adolescents, Division for Stem Cell Transplantation and Immunology, University Hospital Frankfurt, 60590 Frankfurt am Main, Germany; (Z.K.); (S.K.); (P.B.)
| | - Halvard Bönig
- Institute for Transfusion Medicine and Immunohematology, Goethe University, German Red Cross Blood Service BaWüHe, 60528 Frankfurt am Main, Germany;
| | - Ingo Marzi
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University, 60590 Frankfurt am Main, Germany; (A.G.); (I.M.); (D.H.)
| | - Dirk Henrich
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University, 60590 Frankfurt am Main, Germany; (A.G.); (I.M.); (D.H.)
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8
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Wu SD, Hsu SH. 4D bioprintable self-healing hydrogel with shape memory and cryopreserving properties. Biofabrication 2021; 13. [PMID: 34530408 DOI: 10.1088/1758-5090/ac2789] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 09/16/2021] [Indexed: 01/14/2023]
Abstract
Four-dimensional (4D) bioprinting is an emerging biofabrication technology that integrates time as a fourth dimension with three-dimensional (3D) bioprinting for fabricating customizable tissue-engineered implants. 4D bioprinted implants are expected to possess self-healing and shape memory properties for new application opportunities, for instance, fabrication of devices with good shape integrity for minimally invasive surgery. Herein, we developed a self-healing hydrogel composed of biodegradable polyurethane (PU) nanoparticles and photo-/thermo-responsive gelatin-based biomaterials. The self-healing property of hydrogel may be associated with the formation of reversible ionomeric interaction between the COO-group of PU nanoparticles and NH3+group on the gelatin chains. The self-healing hydrogel demonstrated excellent 3D printability and filament resolution. The UV-crosslinked printed hydrogel showed good stackability (>80 layers), structural stability, elasticity, and tunable modulus (1-60 kPa). The shape-memorizable 4D printed constructs revealed good shape fixity (∼95%) and shape recovery (∼98%) through the elasticity as well as forming and collapsing of water lattice in the hydrogel. The hydrogel and the printing process supported the continuous proliferation of neural stem cells (NSCs) (∼3.7-fold after 14 days). Moreover, the individually bioprinted NSCs and mesenchymal stem cells in the adjacent, self-healed filaments showed mutual migration and such interaction promoted the cell differentiation behavior. The cryopreserved (-20 °C or -80 °C) 4D bioprinted hydrogel after awakening and shape recovery at 37 °C demonstrated cell proliferation similar to that of the non-cryopreserved control. This 4D bioprintable, self-healable hydrogel with shape memory and cryopreserving properties may be employed for customized biofabrication.
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Affiliation(s)
- Shin-Da Wu
- Institute of Polymer Science and Engineering, National Taiwan University, No. 1, Sec. 4 Roosevelt Road, Taipei 10617, Taiwan, Republic of China
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, No. 1, Sec. 4 Roosevelt Road, Taipei 10617, Taiwan, Republic of China.,Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli, Taiwan, Republic of China
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9
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Gonçalves AI, Vinhas A, Rodrigues MT, Gomes ME. The impact of cryopreservation in signature markers and immunomodulatory profile of tendon and ligament derived cells. J Cell Physiol 2021; 237:675-686. [PMID: 34368976 DOI: 10.1002/jcp.30540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 06/09/2021] [Accepted: 07/10/2021] [Indexed: 11/07/2022]
Abstract
Tendon and ligament (T/L) engineering strategies towards clinical practice have been challenged by a paucity of understanding in the identification and still poorly described characterization of cellular niches. Prospecting how resident cell populations behave in vitro, and how cryopreservation may influence T/ L-promoting factors, can provide insights into T/ L-cellular profiles for novel regenerative solutions. Therefore, we studied human T/ L-derived cells isolated from patellar tendons and cruciate ligaments as suitable cellular models to anticipate tendon and ligament niches responses for advanced strategies with predictive tenogenic and ligamentogenic value. Our results show that the crude populations isolated from tendon and ligament tissues hold a stem cell subset and share a similar behavior in terms of tenogenic/ligamentogenic commitment. Both T/ L-derived cells successfully undergo cryopreservation/thawing maintaining the tenogenic/ligamentogenic profiles. The major differences between cryopreserved and fresh populations were observed at the gene expression of MKX, SCX, and TNMD as well as at the protein levels of collagen type I and III, in which cells from tendon origin (hTDCs) evidence increased values in comparison to the ones from ligament (hLDCs, p < 0.05). In addition, low-temperature storage was shown to potentiate an immunomodulatory profile of cells, especially in hTDCs leading to an increase in the gene expression of the anti-inflammatory factors IL-4 and IL-10 (p < 0.05), as well as in the protein secretion of IL-10 (p < 0.01) and IL-4 (p < 0.001). Overall, the outcomes highlight the relevance of the cryopreserved T/ L-derived cells and their promising immunomodulatory cues as in vitro models for investigating cell-mediated mechanisms driving tissue healing and regeneration.
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Affiliation(s)
- Ana I Gonçalves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark - Zona Industrial da Gandra, Barco, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Adriana Vinhas
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark - Zona Industrial da Gandra, Barco, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Márcia T Rodrigues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark - Zona Industrial da Gandra, Barco, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark - Zona Industrial da Gandra, Barco, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Egorikhina MN, Rubtsova YP, Aleynik DY. Long-Term Cryostorage of Mesenchymal Stem Cell-Containing Hybrid Hydrogel Scaffolds Based on Fibrin and Collagen. Gels 2020; 6:E44. [PMID: 33255558 PMCID: PMC7709639 DOI: 10.3390/gels6040044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/16/2020] [Accepted: 11/23/2020] [Indexed: 01/09/2023] Open
Abstract
The most difficult issue when using tissue engineering products is enabling the ability to store them without losing their restorative capacity. The numbers and viability of mesenchymal stem cells encapsulated in a hydrogel scaffold after cryostorage at -80 °C (by using, individually, two kinds of cryoprotectors-Bambanker and 10% DMSO (Dimethyl sulfoxide) solution) for 3, 6, 9, and 12 months were determined, with subsequent assessment of cell proliferation after 96 h. The analysis of the cellular component was performed using fluorescence microscopy and the two fluorochromes-Hoechst 3334 and NucGreenTM Dead 488. The experimental protocol ensured the preservation of cells in the scaffold structure, retaining both high viability and proliferative activity during storage for 3 months. Longer storage of scaffolds led to their significant changes. Therefore, after 6 months, the proliferative activity of cells decreased. Cryostorage of scaffolds for 9 months led to a decrease in cells' viability and proliferative activity. As a result of cryostorage of scaffolds for 12 months, a decrease in viability and proliferative activity of cells was observed, as well as pronounced changes in the structure of the hydrogel. The described scaffold cryostorage protocol could become the basis for the development of storage protocols for such tissue engineering products, and for helping to extend the possibilities of their clinical use while accelerating their commercialization.
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Affiliation(s)
- Marfa N. Egorikhina
- Federal State Budgetary Educational Institution of Higher Education, Privolzhsky Research Medical University of the Ministry of Health of the Russian Federation (FSBEI HE PRMU MOH), 603600 Nizhny Novgorod, Russia; (Y.P.R.); (D.Y.A.)
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