3D Photo-Fabrication for Tissue Engineering and Drug Delivery

The most promising strategies in tissue engineering involve the integration of a triad of biomaterials, living cells, and biologically active molecules to engineer synthetic environments that closely mimic the healing milieu present in human tissues, and that stimulate tissue repair and regeneration...

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Main Authors: Rúben F. Pereira, Paulo J. Bártolo
Format: Article
Language:English
Published: Elsevier 2015-03-01
Series:Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2095809916300509
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author Rúben F. Pereira
Paulo J. Bártolo
author_facet Rúben F. Pereira
Paulo J. Bártolo
author_sort Rúben F. Pereira
collection DOAJ
description The most promising strategies in tissue engineering involve the integration of a triad of biomaterials, living cells, and biologically active molecules to engineer synthetic environments that closely mimic the healing milieu present in human tissues, and that stimulate tissue repair and regeneration. To be clinically effective, these environments must replicate, as closely as possible, the main characteristics of the native extracellular matrix (ECM) on a cellular and subcellular scale. Photo-fabrication techniques have already been used to generate 3D environments with precise architectures and heterogeneous composition, through a multi-layer procedure involving the selective photocrosslinking reaction of a light-sensitive prepolymer. Cells and therapeutic molecules can be included in the initial hydrogel precursor solution, and processed into 3D constructs. Recently, photo-fabrication has also been explored to dynamically modulate hydrogel features in real time, providing enhanced control of cell fate and delivery of bioactive compounds. This paper focuses on the use of 3D photo-fabrication techniques to produce advanced constructs for tissue regeneration and drug delivery applications. State-of-the-art photo-fabrication techniques are described, with emphasis on the operating principles and biofabrication strategies to create spatially controlled patterns of cells and bioactive factors. Considering its fast processing, spatiotemporal control, high resolution, and accuracy, photo-fabrication is assuming a critical role in the design of sophisticated 3D constructs. This technology is capable of providing appropriate environments for tissue regeneration, and regulating the spatiotemporal delivery of therapeutics.
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spelling doaj.art-5fe5d1e87df04e4f940ad324ac49d3982022-12-21T18:52:08ZengElsevierEngineering2095-80992015-03-011109011210.15302/J-ENG-20150153D Photo-Fabrication for Tissue Engineering and Drug DeliveryRúben F. Pereira0Paulo J. Bártolo1Centre for Rapid and Sustainable Product Development (CDRsp), Polytechnic Institute of Leiria, Marinha Grande 2430-028, PortugalCentre for Rapid and Sustainable Product Development (CDRsp), Polytechnic Institute of Leiria, Marinha Grande 2430-028, PortugalThe most promising strategies in tissue engineering involve the integration of a triad of biomaterials, living cells, and biologically active molecules to engineer synthetic environments that closely mimic the healing milieu present in human tissues, and that stimulate tissue repair and regeneration. To be clinically effective, these environments must replicate, as closely as possible, the main characteristics of the native extracellular matrix (ECM) on a cellular and subcellular scale. Photo-fabrication techniques have already been used to generate 3D environments with precise architectures and heterogeneous composition, through a multi-layer procedure involving the selective photocrosslinking reaction of a light-sensitive prepolymer. Cells and therapeutic molecules can be included in the initial hydrogel precursor solution, and processed into 3D constructs. Recently, photo-fabrication has also been explored to dynamically modulate hydrogel features in real time, providing enhanced control of cell fate and delivery of bioactive compounds. This paper focuses on the use of 3D photo-fabrication techniques to produce advanced constructs for tissue regeneration and drug delivery applications. State-of-the-art photo-fabrication techniques are described, with emphasis on the operating principles and biofabrication strategies to create spatially controlled patterns of cells and bioactive factors. Considering its fast processing, spatiotemporal control, high resolution, and accuracy, photo-fabrication is assuming a critical role in the design of sophisticated 3D constructs. This technology is capable of providing appropriate environments for tissue regeneration, and regulating the spatiotemporal delivery of therapeutics.http://www.sciencedirect.com/science/article/pii/S20958099163005093D photo-fabricationbiomaterialstissue engineeringdrug delivery
spellingShingle Rúben F. Pereira
Paulo J. Bártolo
3D Photo-Fabrication for Tissue Engineering and Drug Delivery
Engineering
3D photo-fabrication
biomaterials
tissue engineering
drug delivery
title 3D Photo-Fabrication for Tissue Engineering and Drug Delivery
title_full 3D Photo-Fabrication for Tissue Engineering and Drug Delivery
title_fullStr 3D Photo-Fabrication for Tissue Engineering and Drug Delivery
title_full_unstemmed 3D Photo-Fabrication for Tissue Engineering and Drug Delivery
title_short 3D Photo-Fabrication for Tissue Engineering and Drug Delivery
title_sort 3d photo fabrication for tissue engineering and drug delivery
topic 3D photo-fabrication
biomaterials
tissue engineering
drug delivery
url http://www.sciencedirect.com/science/article/pii/S2095809916300509
work_keys_str_mv AT rubenfpereira 3dphotofabricationfortissueengineeringanddrugdelivery
AT paulojbartolo 3dphotofabricationfortissueengineeringanddrugdelivery