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Laurent A, Hirt-Burri N, Scaletta C, Michetti M, de Buys Roessingh AS, Raffoul W, Applegate LA. Holistic Approach of Swiss Fetal Progenitor Cell Banking: Optimizing Safe and Sustainable Substrates for Regenerative Medicine and Biotechnology. Front Bioeng Biotechnol 2020; 8:557758. [PMID: 33195124 PMCID: PMC7644790 DOI: 10.3389/fbioe.2020.557758] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 08/21/2020] [Indexed: 12/17/2022] Open
Abstract
Safety, quality, and regulatory-driven iterative optimization of therapeutic cell source selection has constituted the core developmental bedrock for primary fetal progenitor cell (FPC) therapy in Switzerland throughout three decades. Customized Fetal Transplantation Programs were pragmatically devised as straightforward workflows for tissue procurement, traceability maximization, safety, consistency, and robustness of cultured progeny cellular materials. Whole-cell bioprocessing standardization has provided plethoric insights into the adequate conjugation of modern biotechnological advances with current restraining legislative, ethical, and regulatory frameworks. Pioneer translational advances in cutaneous and musculoskeletal regenerative medicine continuously demonstrate the therapeutic potential of FPCs. Extensive technical and clinical hindsight was gathered by managing pediatric burns and geriatric ulcers in Switzerland. Concomitant industrial transposition of dermal FPC banking, following good manufacturing practices, demonstrated the extensive potential of their therapeutic value. Furthermore, in extenso, exponential revalorization of Swiss FPC technology may be achieved via the renewal of integrative model frameworks. Consideration of both longitudinal and transversal aspects of simultaneous fetal tissue differential processing allows for a better understanding of the quasi-infinite expansion potential within multi-tiered primary FPC banking. Multiple fetal tissues (e.g., skin, cartilage, tendon, muscle, bone, lung) may be simultaneously harvested and processed for adherent cell cultures, establishing a unique model for sustainable therapeutic cellular material supply chains. Here, we integrated fundamental, preclinical, clinical, and industrial developments embodying the scientific advances supported by Swiss FPC banking and we focused on advances made to date for FPCs that may be derived from a single organ donation. A renewed model of single organ donation bioprocessing is proposed, achieving sustained standards and potential production of billions of affordable and efficient therapeutic doses. Thereby, the aim is to validate the core therapeutic value proposition, to increase awareness and use of standardized protocols for translational regenerative medicine, potentially impacting millions of patients suffering from cutaneous and musculoskeletal diseases. Alternative applications of FPC banking include biopharmaceutical therapeutic product manufacturing, thereby indirectly and synergistically enhancing the power of modern therapeutic armamentariums. It is hypothesized that a single qualifying fetal organ donation is sufficient to sustain decades of scientific, medical, and industrial developments, as technological optimization and standardization enable high efficiency.
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Affiliation(s)
- Alexis Laurent
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, Épalinges, Switzerland
- Tec-Pharma SA, Bercher, Switzerland
- LAM Biotechnologies SA, Épalinges, Switzerland
| | - Nathalie Hirt-Burri
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, Épalinges, Switzerland
| | - Corinne Scaletta
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, Épalinges, Switzerland
| | - Murielle Michetti
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, Épalinges, Switzerland
| | - Anthony S. de Buys Roessingh
- Children and Adolescent Surgery Service, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Wassim Raffoul
- Plastic, Reconstructive and Hand Surgery Service, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Lee Ann Applegate
- Regenerative Therapy Unit, Lausanne University Hospital, University of Lausanne, Épalinges, Switzerland
- Oxford Suzhou Center for Advanced Research, Science and Technology Co., Ltd., Oxford University, Suzhou, China
- Competence Center for Applied Biotechnology and Molecular Medicine, University of Zurich, Zurich, Switzerland
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Kim M, Kim J, Park SR, Park DY, Kim YJ, Choi BH, Min BH. Comparison of fetal cartilage-derived progenitor cells isolated at different developmental stages in a rat model. Dev Growth Differ 2016; 58:167-79. [PMID: 26889876 DOI: 10.1111/dgd.12267] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 12/24/2015] [Accepted: 01/05/2016] [Indexed: 11/30/2022]
Abstract
Fetal cartilage-derived progenitor cells (FCPCs) could be a useful cell source in cell-based therapies for cartilage disorders. However, their characteristics can vary depending on the developmental stages. The aim of this study was to compare the characteristics of rat FCPCs from the hind limb on embryonic day 14 (E14), E16 and E20 regarding proliferation, pluripotency, and differentiation. Morphologically, rat fetal cartilage tissue showed an increase in cartilaginous differentiation features (Safranin-O, type II collagen) and decrease in pluripotency marker (Sox2) in the order of E14, E16 and E20. E14 FCPCs showed significantly higher doubling time compared to E16 and E20 FCPCs. While the E14 FCPCs expressed pluripotent genes (Sox2, Oct4, Nanog), the E16 and E20 FCPCs expressed chondrogenic markers (Sox9, Col2a1, Acan). E20 FCPCs showed the highest ability to both chondrogenic and adipogenic differentiation and E14 FCPCs showed relatively better activity in osteogenic differentiation. Further analysis showed that E20 FCPCs expressed both adipogenic (C/ebpß) and osteogenic (Runx2, Sp7, Taz) transcription factors as well as chondrogenic transcription factors. Our results show an inverse relationship overall between the expression of pluripotency genes and that of chondrogenic and lineage-specific genes in FCPCs under development. Due to its exceptional proliferation and chondrogenic differentiation ability, fetal cells from epiphyseal cartilage (E20 in rats) may be a suitable cell source for cartilage regeneration.
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Affiliation(s)
- Mijin Kim
- Department of Molecular Science & Technology, 206 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea.,Cell Therapy Center, Ajou University Hospital, 164 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea
| | - Jiyoung Kim
- Inha Research Institute for Medical Sciences, Inha University College of Medicine, 100 Inha-ro Nam-gu, Incheon, 22212, Korea
| | - So Ra Park
- Inha Research Institute for Medical Sciences, Inha University College of Medicine, 100 Inha-ro Nam-gu, Incheon, 22212, Korea
| | - Do Young Park
- Department of Anatomy, School of Medicine, 206 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea
| | - Young Jick Kim
- Cell Therapy Center, Ajou University Hospital, 164 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea
| | - Byung Hyune Choi
- Department of Biomedical Sciences, Inha University College of Medicine, 100 Inha-ro Nam-gu, Incheon, 22212, Korea
| | - Byoung-Hyun Min
- Department of Molecular Science & Technology, 206 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea.,Cell Therapy Center, Ajou University Hospital, 164 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea.,Department of Orthopedic Surgery, School of Medicine, 206 Worldcup-ro Yongtong-gu, Suwon, 16499, Korea
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Gillio-Meina C, Zielke HR, Fraser DD. Translational Research in Pediatrics IV: Solid Tissue Collection and Processing. Pediatrics 2016; 137:peds.2015-0490. [PMID: 26659457 DOI: 10.1542/peds.2015-0490] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/05/2015] [Indexed: 11/24/2022] Open
Abstract
Solid tissues are critical for child-health research. Specimens are commonly obtained at the time of biopsy/surgery or postmortem. Research tissues can also be obtained at the time of organ retrieval for donation or from tissue that would otherwise have been discarded. Navigating the ethics of solid tissue collection from children is challenging, and optimal handling practices are imperative to maximize tissue quality. Fresh biopsy/surgical specimens can be affected by a variety of factors, including age, gender, BMI, relative humidity, freeze/thaw steps, and tissue fixation solutions. Postmortem tissues are also vulnerable to agonal factors, body storage temperature, and postmortem intervals. Nonoptimal tissue handling practices result in nucleotide degradation, decreased protein stability, artificial posttranslational protein modifications, and altered lipid concentrations. Tissue pH and tryptophan levels are 2 methods to judge the quality of solid tissue collected for research purposes; however, the RNA integrity number, together with analyses of housekeeping genes, is the new standard. A comprehensive clinical data set accompanying all tissue samples is imperative. In this review, we examined: the ethical standards relating to solid tissue procurement from children; potential sources of solid tissues; optimal practices for solid tissue processing, handling, and storage; and reliable markers of solid tissue quality.
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Affiliation(s)
- Carolina Gillio-Meina
- Translational Research Centre, London, Ontario, Canada; Children's Health Research Institute, London, Ontario, Canada
| | | | - Douglas D Fraser
- Translational Research Centre, London, Ontario, Canada; Children's Health Research Institute, London, Ontario, Canada; Centre for Critical Illness Research, Critical Care Medicine and Pediatrics, Clinical Neurologic Sciences, and Physiology and Pharmacology, Western University, London, Ontario, Canada
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Gothard D, Cheung K, Kanczler JM, Wilson DI, Oreffo ROC. Regionally-derived cell populations and skeletal stem cells from human foetal femora exhibit specific osteochondral and multi-lineage differentiation capacity in vitro and ex vivo. Stem Cell Res Ther 2015; 6:251. [PMID: 26684339 PMCID: PMC4683700 DOI: 10.1186/s13287-015-0247-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 11/25/2014] [Accepted: 11/25/2015] [Indexed: 01/08/2023] Open
Abstract
Background Adult skeletal stem cells (SSCs) often exhibit limited in vitro expansion with undesirable phenotypic changes and loss of differentiation capacity. Foetal tissues offer an alternative cell source, providing SSCs which exhibit desirable differentiation capacity over prolonged periods, ideal for extensive in vitro and ex vivo investigation of fundamental bone biology and skeletal development. Methods We have examined the derivation of distinct cell populations from human foetal femora. Regionally isolated populations including epiphyseal and diaphyseal cells were carefully dissected. Expression of the SSC marker Stro-1 was also found in human foetal femora over a range of developmental stages and subsequently utilised for immuno-selection. Results Regional populations exhibited chondrogenic (epiphyseal) and osteogenic (diaphyseal) phenotypes following in vitro and ex vivo characterisation and molecular analysis, indicative of native SSC maturation during skeletal development. However, each population exhibited potential for induced multi-lineage differentiation towards bone (bone nodule formation), cartilage (proteoglycan and mucopolysaccharide deposition) and fat (lipid deposition), suggesting the presence of a shared stem cell sub-population. This shared sub-population may be comprised of Stro-1+ cells, which were later identified and immuno-selected from whole foetal femora exhibiting multi-lineage differentiation capacity in vitro and ex vivo. Conclusions Distinct populations were isolated from human foetal femora expressing osteochondral differentiation capacity. Stro-1 immuno-selected SSCs were isolated from whole femora expressing desirable multi-lineage differentiation capacity over prolonged in vitro expansion, superior to their adult-derived counterparts, providing a valuable cell source with which to study bone biology and skeletal development. Electronic supplementary material The online version of this article (doi:10.1186/s13287-015-0247-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- David Gothard
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Human Development and Health, University of Southampton, School of Medicine, Institute of DevelopmentalSciences, Mail Point 887, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK.
| | - Kelvin Cheung
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Human Development and Health, University of Southampton, School of Medicine, Institute of DevelopmentalSciences, Mail Point 887, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK.
| | - Janos M Kanczler
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Human Development and Health, University of Southampton, School of Medicine, Institute of DevelopmentalSciences, Mail Point 887, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK.
| | - David I Wilson
- Centre for Human Development, Stem Cells and Regeneration, Human Development and Health, University of Southampton, School of Medicine, Institute of Developmental Sciences, Mail Point 887, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK. .,University Hospital Southampton NHS Foundation Trust, Tremona Road, SO16 6YD, Southampton, UK.
| | - Richard O C Oreffo
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Human Development and Health, University of Southampton, School of Medicine, Institute of DevelopmentalSciences, Mail Point 887, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, UK.
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Dreifke MB, Ebraheim NA, Jayasuriya AC. Investigation of potential injectable polymeric biomaterials for bone regeneration. J Biomed Mater Res A 2013; 101:2436-47. [PMID: 23401336 DOI: 10.1002/jbm.a.34521] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2012] [Revised: 10/09/2012] [Accepted: 10/29/2012] [Indexed: 01/12/2023]
Abstract
This article reviews the potential injectable polymeric biomaterial scaffolds currently being investigated for application in bone tissue regeneration. Two types of injectable biomaterial scaffolds are focused in this review, including injectable microspheres and injectable gels. The injectable microspheres section covers several polymeric materials, including poly(L-lactide-co-glycolide)-PLGA, poly(propylene fumarate), and chitosan. The injectable gel section covers alginate gels, hyaluronan hydrogels, poly(ethylene-glycol)-PEG hydrogels, and PEG-PLGA copolymer hydrogels. This review focuses on the effect of cellular behavior in vitro and in vivo in terms of material properties of polymers, such as biodegradation, biocompatibility, porosity, microsphere size, and cross-linking nature. Injectable polymeric biomaterials offer a major advantage for orthopedic applications by allowing the ability to use noninvasive or minimally invasive treatment methods. Therefore, combining injectable polymeric biomaterial scaffolds with cells have a significant potential to treat orthopedic bone defects, including spine fusion, and craniofacial and periodontal defects.
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Affiliation(s)
- Michael B Dreifke
- Department of Orthopaedic Surgery, The University of Toledo, College of Medicine, Toledo, Ohio 43614, USA
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New perspectives in cell delivery systems for tissue regeneration: natural-derived injectable hydrogels. J Appl Biomater Funct Mater 2012; 10:67-81. [PMID: 22865572 DOI: 10.5301/jabfm.2012.9418] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2012] [Indexed: 01/11/2023] Open
Abstract
Natural polymers, because of their biocompatibility, availability, and physico-chemical properties have been the materials of choice for the fabrication of injectable hydrogels for regenerative medicine. In particular, they are appealing materials for delivery systems and provide sustained and controlled release of drugs, proteins, gene, cells, and other active biomolecules immobilized.In this work, the use of hydrogels obtained from natural source polymers as cell delivery systems is discussed. These materials were investigated for the repair of cartilage, bone, adipose tissue, intervertebral disc, neural, and cardiac tissue. Papers from the last ten years were considered, with a particular focus on the advances of the last five years. A critical discussion is centered on new perspectives and challenges in the regeneration of specific tissues, with the aim of highlighting the limits of current systems and possible future advancements.
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