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You are researching: Hallym University
Cell Type
Tissue and Organ Biofabrication
Skin Tissue Engineering
Drug Delivery
Biological Molecules
Solid Dosage Drugs
Stem Cells
Personalised Pharmaceuticals
Inducend Pluripotent Stem Cells (IPSCs)
Drug Discovery
Cancer Cell Lines
All Groups
- Application
- Tissue Models – Drug Discovery
- Tissue and Organ Biofabrication
- Cartilage Tissue Engineering
- Bone Tissue Engineering
- Drug Delivery
- Skin Tissue Engineering
- Vascularization
- Nerve – Neural Tissue Engineering
- Meniscus Tissue Engineering
- Heart – Cardiac Patches Tissue Engineering
- Adipose Tissue Engineering
- Trachea Tissue Engineering
- Ocular Tissue Engineering
- Intervertebral Disc (IVD) Tissue Engineering
- Biomaterial Processing
- Drug Discovery
- Electronics – Robotics – Industrial
- BioSensors
- Personalised Pharmaceuticals
- Bioprinting Technologies
- Biomaterials & Bioinks
- Cell Type
- Organoids
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- Macrophages
- Corneal Stromal Cells
- Stem Cells
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- Cancer Cell Lines
- Articular cartilage progenitor cells (ACPCs)
- Osteoblasts
- Epithelial
- Human Umbilical Vein Endothelial Cells (HUVECs)
- Spheroids
- Keratinocytes
- Neurons
- Endothelial
- CardioMyocites
- Melanocytes
- Retinal
- Embrionic Kidney (HEK)
- β cells
- Pericytes
- Bacteria
- Tenocytes
- Bioprinting Applications
- Institution
- University of Barcelona
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- Review Paper
- Printing Technology
- Biomaterial
- Thermoplastics
- Bioinks
- Xanthan Gum
- Paeoniflorin
- Alginate
- Gelatin-Methacryloyl (GelMA)
- Cellulose
- Hyaluronic Acid
- Polyethylene glycol (PEG) based
- Collagen
- Gelatin
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- Methacrylated hyaluronic acid (HAMA)
- Silk Fibroin
- Fibrinogen
- (2-Hydroxypropyl)methacrylamide (HPMA)
- Carrageenan
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- Poly(glycidol)
- Agarose
- methacrylated chondroitin sulfate (CSMA)
- Novogel
- Peptide gel
- α-Bioink
- Elastin
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- Methacrylated Chitosan
- Pectin
- Pyrogallol
- Fibrin
- Methacrylated Collagen (CollMA)
- Glucosamine
- Non-cellularized gels/pastes
- Jeffamine
- Mineral Oil
- Pluronic – Poloxamer
- Silicone
- Polyvinylpyrrolidone (PVP)
- Salt-based
- Acrylates
- 2-hydroxyethyl-methacrylate (HEMA)
- Magnetorheological fluid (MR fluid – MRF)
- Poly(vinyl alcohol) (PVA)
- PEDOT
- Polyethylene
- Carbopol
- Epoxy
- poly (ethylene-co -vinyl acetate) (PEVA)
- Poly(N-isopropylacrylamide) (PNIPAAm)
- Poly(Oxazoline)
- Poly(trimethylene carbonate)
- Polyisobutylene
- Konjac Gum
- Gelatin-Sucrose Matrix
- Chlorella Microalgae
- Poly(Vinyl Formal)
- Phenylacetylene
- 2-hydroxyethyl) methacrylate (HEMA)
- Paraffin
- Polyphenylene Oxide
- Micro/nano-particles
- Biological Molecules
- Decellularized Extracellular Matrix (dECM)
- Solid Dosage Drugs
- Ceramics
- Metals
AUTHOR
Title
3D-printable photocurable bioink for cartilage regeneration of tonsil-derived mesenchymal stem cells
[Abstract]
Year
2020
Journal/Proceedings
Additive Manufacturing
Reftype
Groups
AbstractCartilage regeneration is challenging because of the poor intrinsic self-repair capacity of avascular tissue. Three-dimensional (3D) bioprinting has gained significant attention in the field of tissue engineering and is a promising technology to overcome current difficulties in cartilage regeneration. Although bioink is an essential component of bioprinting technology, several challenges remain in satisfying different requirements for ideal bioink, including biocompatibility and printability based on specific biological requirements. Gelatin and hyaluronic acid (HA) have been shown to be ideal biomimetic hydrogel sources for cartilage regeneration. However, controlling their structure, mechanical properties, biocompatibility, and degradation rate for cartilage repair remains a challenge. Here, we show a photocurable bioink created by hybridization of gelatin methacryloyl (GelMA) and glycidyl-methacrylated HA (GMHA) for material extrusion 3D bioprinting in cartilage regeneration. GelMA and GMHA were mixed in various ratios, and the mixture of 7% GelMA and 5% GMHA bioink (G7H5) demonstrated the most reliable mechanical properties, rheological properties, and printability. This G7H5 bioink allowed us to build a highly complex larynx structure, including the hyoid bone, thyroid cartilage, cricoid cartilage, arytenoid cartilage, and cervical trachea. This bioink also provided an excellent microenvironment for chondrogenesis of tonsil-derived mesenchymal stem cells (TMSCs) in vitro and in vivo. In summary, this study presents the ideal formulation of GelMA/GMHA hybrid bioink to generate a well-suited photocurable bioink for cartilage regeneration of TMSCs using a material extrusion bioprinter, and could be applied to cartilage tissue engineering.
AUTHOR
Title
A Feasibility Study for 3D-printed Poly(methyl methacrylate)-resin Tracheostomy Tube Using a Hamster Cheek Pouch Model
Year
2020
Journal/Proceedings
In Vivo
Reftype
DOI/URL
URL
AUTHOR
Year
2018
Journal/Proceedings
Artificial Cells, Nanomedicine, and Biotechnology
Reftype
DOI/URL
DOI
Groups
AbstractAbstractThe purpose of this study was to evaluate whether the prior implantation of a 3D-printed polycaprolactone (PCL) artificial trachea in the omentum is beneficial for revascularization of the scaffold and reduces associated complications in the reconstruction of a circumferential tracheal defect. Ten New Zealand rabbits were divided into 2 groups: (1) PCL-OC group (PCL scaffold cultured in omentum for 2 weeks before transplantation) and (2) PCL group. In the PCL-OC group, newly formed connective tissue completely covered the luminal surface of the scaffold with mild inflammation at 2 weeks postoperatively; a minor degree of stenosis was noted at 8 weeks postoperatively. The PCL group showed scaffold exposure without any tissue regeneration at 2 weeks postoperatively, and a moderate degree of luminal stenosis 6 weeks after implantation. Histology revealed highly organized regenerated tissue composed of ciliated respiratory epithelium, and submucosal layer in the PCL-OC group. Neo-cartilage regeneration was noted in part of the regenerated tissue. The PCL group demonstrated severe inflammation and an unorganized structure compared to that of the PCL-OC group. In vivo omentum culture of the tracheal scaffold before transplantation is beneficial for rapid re-epithelialization and revascularization of the scaffold. It also prevents postoperative luminal stenosis.