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You are researching: Infrapatellar fat pad-derived Stem Cells (FPSCs)
Skin Tissue Engineering
Drug Delivery
Biological Molecules
Solid Dosage Drugs
Stem Cells
Personalised Pharmaceuticals
Inducend Pluripotent Stem Cells (IPSCs)
Drug Discovery
Cancer Cell Lines
Cell Type
Tissue and Organ Biofabrication
All Groups
- Bioprinting Applications
- Cell Type
- Cancer Cell Lines
- Bacteria
- Epicardial Cells
- Articular cartilage progenitor cells (ACPCs)
- Tenocytes
- Extracellular Vesicles
- Osteoblasts
- Monocytes
- Mesothelial cells
- Nucleus Pulposus Cells
- Epithelial
- Neutrophils
- Adipocytes
- Smooth Muscle Cells
- T cells
- Human Umbilical Vein Endothelial Cells (HUVECs)
- Organoids
- Stem Cells
- Spheroids
- Meniscus Cells
- Synoviocytes
- Keratinocytes
- Skeletal Muscle-Derived Cells (SkMDCs)
- Neurons
- Macrophages
- Human Trabecular Meshwork Cells
- Endothelial
- CardioMyocites
- Melanocytes
- Retinal
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- Embrionic Kidney (HEK)
- Corneal Stromal Cells
- Annulus Fibrosus Cells
- Fibroblasts
- β cells
- Astrocytes
- Myoblasts
- Pericytes
- Hepatocytes
- Institution
- University of Amsterdam
- University of Tel Aviv
- University of Applied Sciences Northwestern Switzerland
- Anhui Polytechnic
- University Children's Hospital Zurich
- Bayreuth University
- Aschaffenburg University
- University of Michigan, Biointerfaces Institute
- Abu Dhabi University
- Jiao Tong University
- University of Aveiro
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- Biomaterials & Bioinks
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- Biomaterial Processing
- Tissue Models – Drug Discovery
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- Robotics
- Electronics – Robotics – Industrial
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- Tissue and Organ Biofabrication
- Liver tissue Engineering
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- Intervertebral Disc (IVD) Tissue Engineering
- Muscle Tissue Engineering
- BioSensors
- Personalised Pharmaceuticals
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- Review Paper
- Printing Technology
- Biomaterial
- Bioinks
- Poly(glycidol)
- Alginate
- Agarose
- Gelatin-Methacryloyl (GelMA)
- methacrylated chondroitin sulfate (CSMA)
- Cellulose
- Novogel
- carboxybetaine acrylamide (CBAA)
- Hyaluronic Acid
- Peptide gel
- Methacrylated Silk Fibroin
- Pantoan Methacrylate
- Polyethylene glycol (PEG) based
- α-Bioink
- Poly(Acrylic Acid)
- Collagen
- Elastin
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- sulfobetaine methacrylate (SBMA)
- Gelatin
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- Methacrylated Chitosan
- Methacrylated hyaluronic acid (HAMA)
- Pectin
- Silk Fibroin
- Pyrogallol
- Xanthan Gum
- Fibrinogen
- Fibrin
- Paeoniflorin
- Fibronectin
- (2-Hydroxypropyl)methacrylamide (HPMA)
- Methacrylated Collagen (CollMA)
- Carrageenan
- Glucosamine
- Chitosan
- Glycerol
- Ceramics
- Decellularized Extracellular Matrix (dECM)
- Metals
- Solid Dosage Drugs
- Thermoplastics
- Coaxial Extruder
- Non-cellularized gels/pastes
- Silicone
- Konjac Gum
- Polyphenylene Oxide
- Ionic Liquids
- Polyvinylpyrrolidone (PVP)
- Gelatin-Sucrose Matrix
- Salt-based
- Chlorella Microalgae
- Acrylates
- Poly(Vinyl Formal)
- 2-hydroxyethyl-methacrylate (HEMA)
- Phenylacetylene
- Magnetorheological fluid (MR fluid – MRF)
- Salecan
- Poly(vinyl alcohol) (PVA)
- PEDOT
- Jeffamine
- Poly(methyl methacrylate) (PMMA)
- Polyethylene
- SEBS
- Polypropylene Oxide (PPO)
- Carbopol
- Sucrose Acetate
- Epoxy
- poly (ethylene-co -vinyl acetate) (PEVA)
- Poly(itaconate-co-citrate-cooctanediol) (PICO)
- Poly(N-isopropylacrylamide) (PNIPAAm)
- Mineral Oil
- poly(octanediol-co-maleic anhydride-co-citrate) (POMaC)
- Poly(Oxazoline)
- Poly(trimethylene carbonate)
- 2-hydroxyethyl) methacrylate (HEMA)
- Zein
- Acrylamide
- Pluronic – Poloxamer
- Polyisobutylene
- Paraffin
- Micro/nano-particles
- Biological Molecules
- Bioinks
- Bioprinting Technologies
AUTHOR
Title
3D printing of fibre-reinforced cartilaginous templates for the regeneration of osteochondral defects
[Abstract]
Year
2020
Journal/Proceedings
Acta Biomaterialia
Reftype
Groups
AbstractSuccessful osteochondral defect repair requires regenerating the subchondral bone whilst simultaneously promoting the development of an overlying layer of articular cartilage that is resistant to vascularization and endochondral ossification. During skeletal development articular cartilage also functions as a surface growth plate, which postnatally is replaced by a more spatially complex bone-cartilage interface. Motivated by this developmental process, the hypothesis of this study is that bi-phasic, fibre-reinforced cartilaginous templates can regenerate both the articular cartilage and subchondral bone within osteochondral defects created in caprine joints. To engineer mechanically competent implants, we first compared a range of 3D printed fibre networks (PCL, PLA and PLGA) for their capacity to mechanically reinforce alginate hydrogels whilst simultaneously supporting mesenchymal stem cell (MSC) chondrogenesis in vitro. These mechanically reinforced, MSC-laden alginate hydrogels were then used to engineer the endochondral bone forming phase of bi-phasic osteochondral constructs, with the overlying chondral phase consisting of cartilage tissue engineered using a co-culture of infrapatellar fat pad derived stem/stromal cells (FPSCs) and chondrocytes. Following chondrogenic priming and subcutaneous implantation in nude mice, these bi-phasic cartilaginous constructs were found to support the development of vascularised endochondral bone overlaid by phenotypically stable cartilage. These fibre-reinforced, bi-phasic cartilaginous templates were then evaluated in clinically relevant, large animal (caprine) model of osteochondral defect repair. Although the quality of repair was variable from animal-to-animal, in general more hyaline-like cartilage repair was observed after 6 months in animals treated with bi-phasic constructs compared to animals treated with commercial control scaffolds. This variability in the quality of repair points to the need for further improvements in the design of 3D bioprinted implants for joint regeneration. Statement of Significance Successful osteochondral defect repair requires regenerating the subchondral bone whilst simultaneously promoting the development of an overlying layer of articular cartilage. In this study, we hypothesised that bi-phasic, fibre-reinforced cartilaginous templates could be leveraged to regenerate both the articular cartilage and subchondral bone within osteochondral defects. To this end we used 3D printed fibre networks to mechanically reinforce engineered transient cartilage, which also contained an overlying layer of phenotypically stable cartilage engineered using a co-culture of chondrocytes and stem cells. When chondrogenically primed and implanted into caprine osteochondral defects, these fibre-reinforced bi-phasic cartilaginous grafts were shown to spatially direct tissue development during joint repair. Such developmentally inspired tissue engineering strategies, enabled by advances in biofabrication and 3D printing, could form the basis of new classes of regenerative implants in orthopaedic medicine.
AUTHOR
Title
Meniscus ECM‐functionalised hydrogels containing infrapatellar fat pad‐derived stem cells for bioprinting of regionally defined meniscal tissue
[Abstract]
Year
2018
Journal/Proceedings
Journal of Tissue Engineering and Regenerative Medicine
Reftype
DOI/URL
DOI
Groups
AbstractAbstract Injuries to the meniscus of the knee commonly lead to osteoarthritis. Current therapies for meniscus regeneration, including meniscectomies and scaffold implantation, fail to achieve complete functional regeneration of the tissue. This has led to increased interest in cell and gene therapies and tissue engineering approaches to meniscus regeneration. The implantation of a biomimetic implant, incorporating cells, growth factors, and extracellular matrix (ECM)‐derived proteins, represents a promising approach to functional meniscus regeneration. The objective of this study was to develop a range of ECM‐functionalised bioinks suitable for 3D bioprinting of meniscal tissue. To this end, alginate hydrogels were functionalised with ECM derived from the inner and outer regions of the meniscus and loaded with infrapatellar fat pad‐derived stem cells. In the absence of exogenously supplied growth factors, inner meniscus ECM promoted chondrogenesis of fat pad‐derived stem cells, whereas outer meniscus ECM promoted a more elongated cell morphology and the development of a more fibroblastic phenotype. With exogenous growth factors supplementation, a more fibrogenic phenotype was observed in outer ECM‐functionalised hydrogels supplemented with connective tissue growth factor, whereas inner ECM‐functionalised hydrogels supplemented with TGFβ3 supported the highest levels of Sox‐9 and type II collagen gene expression and sulfated glycosaminoglycans (sGAG) deposition. The final phase of the study demonstrated the printability of these ECM‐functionalised hydrogels, demonstrating that their codeposition with polycaprolactone microfibres dramatically improved the mechanical properties of the 3D bioprinted constructs with no noticeable loss in cell viability. These bioprinted constructs represent an exciting new approach to tissue engineering of functional meniscal grafts.