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You are researching: Sree Chitra Tirunal Institute
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
- Meniscus Cells
- Skeletal Muscle-Derived Cells (SkMDCs)
- Macrophages
- Corneal Stromal Cells
- Stem Cells
- Chondrocytes
- Fibroblasts
- Myoblasts
- 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
- Rice University
- Hefei University
- Abu Dhabi University
- University of Sheffield
- DTU – Technical University of Denmark
- INM – Leibniz Institute for New Materials
- Innsbruck University
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- Sree Chitra Tirunal Institute
- Kaohsiung Medical University
- Baylor College of Medicine
- L'Oreal
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- Veterans Administration Medical Center
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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
- Gellan Gum
- Methacrylated hyaluronic acid (HAMA)
- Silk Fibroin
- Fibrinogen
- (2-Hydroxypropyl)methacrylamide (HPMA)
- Carrageenan
- Chitosan
- Glycerol
- Poly(glycidol)
- Agarose
- methacrylated chondroitin sulfate (CSMA)
- Novogel
- Peptide gel
- α-Bioink
- Elastin
- Matrigel
- 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
High-throughput production of liver parenchymal microtissues and enrichment of organ-specific functions in gelatin methacrylamide microenvironment
[Abstract]
Year
2022
Journal/Proceedings
Biotechnology and Bioengineering
Reftype
DOI/URL
DOI
Groups
AbstractAbstract Liver parenchymal microtissues (LPMTs) are three-dimensional (3D) aggregates of hepatocytes that recapitulate in vivo-like cellular assembly. They are considered as a valuable model to study drug metabolism, disease biology, and serve as ideal building blocks for liver tissue engineering. However, their integration into the mainstream drug screening process has been hindered due to the lack of simple, rapid techniques to produce a large number of uniform microtissues and preserve their structural–functional integrity over the long term. Here, we present a high-throughput methodology to produce LPMTs in a novel, economic, and reusable Hanging-drop Culture Chamber (HdCC). A drop-on-demand bioprinting approach was optimized to generate droplets of HepG2 cell suspension on a polyethylene terephthalate substrate. The substrates carrying droplets were placed inside a novel HdCC and incubated to obtain 1600 LPMTs having a size of 200–300 μm. Tissue size, cell viability, cellular arrangement and polarity, and insulin-mediated glucose uptake by LPMTs were analyzed. The microtissues were viable and exhibited an active response to insulin stimulation. Cells within the microtissue reorganized to form hepatic plate-like structures and expressed apical (Multidrug Resistance Protein 2 [MRP2]) and epithelial (Zonula Occludens 1 [ZO1]) markers. Further to maintain the structural integrity and enhance the functional capabilities, LPMTs were sandwiched within gelatin methacrylamide (GelMA) hydrogel and the liver-specific functions were monitored for 2 weeks. The results showed that the 3D structure of LPMTs in GelMA sandwich was maintained while the albumin secretion, urea synthesis, and cytochrome P450 activity were enhanced compared with LPMTs in suspension. In conclusion, this study presents a novel culture chamber for mass production of microtissues and a method for enhancing organ-specific functions of LPMTs in vitro.
AUTHOR
Title
Development and evaluation of a multicomponent bioink consisting of alginate, gelatin, diethylaminoethyl cellulose and collagen peptide for 3D bioprinting of tissue construct for drug screening application
[Abstract]
Year
2022
Journal/Proceedings
International Journal of Biological Macromolecules
Reftype
Groups
AbstractThree dimensional (3D) bioprinting technology has been making a progressive advancement in the field of tissue engineering to produce tissue constructs that mimic the shape, framework, and microenvironment of an organ. The technology has not only paved the way to organ development but has been widely studied for its application in drug and cosmetic testing using 3D bioprinted constructs. However, not much has been explored on the utilization of bioprinting technology for the development of tumor models to test anti-cancer drug efficacy. The conventional methodology involves a two dimensional (2D) monolayer model to test cellular drug response which has multiple limitations owing to its inability to mimic the natural tissue environment. The choice of bioink for 3D bioprinting is critical as cell morphology and proliferation depend greatly on the property of bioink. In this study, we developed a multicomponent bioink composed of alginate, diethylaminoethyl cellulose, gelatin, and collagen peptide to generate a 3D bioprinted construct. The bioink has been characterised and validated for its printability, shape fidelity and biocompatibility to be used for generating tumor models. Further, a bioprinted tumor model was developed using lung cancer cell line and the efficacy of 3D printed construct for drug screening application was established.
AUTHOR
Title
Exploring the Potential of Alginate-Gelatin-Diethylaminoethyl Cellulose-Fibrinogen based Bioink for 3D Bioprinting of Skin Tissue Constructs
[Abstract]
Year
2022
Journal/Proceedings
Carbohydrate Polymer Technologies and Applications
Reftype
Groups
AbstractDesigning printable bioinks for 3D bioprinting capable of supporting cellular viability with post-printing functionality remains challenging. Native ECM offers several physical, chemical, and biological cues that are difficult to restore using only a single component. Herein, we have optimized a multicomponent-based bioink formulation comprising alginate (ALG), gelatin (GEL), diethylaminoethyl cellulose (DCEL) and fibrinogen (FIB), termed as ALG-GEL-DCEL-FIB bioink for potential application in bioprinting and biofabrication of skin tissue equivalents. The designed formulation was extensively studied for its printability, physico-chemical, rheological, and biocompatibility properties. Excellent printability, shape fidelity and cell-laden tissue equivalent printing were established using the RegenHu 3D Discovery Bioprinter. The human primary fibroblast and keratinocyte-laden bioprinted constructs exhibited good cell viability. Long term culture of 4 weeks comprising 5 days of air-liquid-interphase followed by 21 days of submerged culture produced biomimetic tissue histology in the ALG-GEL-DCEL-FIB bioink printed constructs. Specific epidermal-dermal marker expressions proving functionality were evident in immunohistochemical, biochemical and gene expression analysis. The ALG-GEL-DCEL-FIB bioink may be explored further for potential biofabrication and therapeutic applications.
AUTHOR
Title
Formulation and Characterization of Alginate Dialdehyde, Gelatin, and Platelet-Rich Plasma-Based Bioink for Bioprinting Applications
[Abstract]
Year
2020
Journal/Proceedings
Bioengineering
Reftype
Groups
AbstractLayer-by-layer additive manufacturing process has evolved into three-dimensional (3D) “bio-printing” as a means of constructing cell-laden functional tissue equivalents. The process typically involves the mixing of cells of interest with an appropriate hydrogel, termed as “bioink”, followed by printing and tissue maturation. An ideal bioink should have adequate mechanical, rheological, and biological features of the target tissues. However, native extracellular matrix (ECM) is made of an intricate milieu of soluble and non-soluble extracellular factors, and mimicking such a composition is challenging. To this end, here we report the formulation of a multi-component bioink composed of gelatin and alginate -based scaffolding material, as well as a platelet-rich plasma (PRP) suspension, which mimics the insoluble and soluble factors of native ECM respectively. Briefly, sodium alginate was subjected to controlled oxidation to yield alginate dialdehyde (ADA), and was mixed with gelatin and PRP in various volume ratios in the presence of borax. The formulation was systematically characterized for its gelation time, swelling, and water uptake, as well as its morphological, chemical, and rheological properties; furthermore, blood- and cytocompatibility were assessed as per ISO 10993 (International Organization for Standardization). Printability, shape fidelity, and cell-laden printing was evaluated using the RegenHU 3D Discovery bioprinter. The results indicated the successful development of ADA–gelatin–PRP based bioink for 3D bioprinting and biofabrication applications.