Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.gene.2004.12.040
Title: Scaffold-based bone engineering by using genetically modified cells
Authors: Hutmacher, D.W. 
Garcia, A.J.
Keywords: Bone regeneration
Genetic engineering
Regenerative medicine
Runx2/Cbfa1
Scaffolds
Tissue engineering
Issue Date: 28-Feb-2005
Source: Hutmacher, D.W., Garcia, A.J. (2005-02-28). Scaffold-based bone engineering by using genetically modified cells. Gene 347 (1) : 1-10. ScholarBank@NUS Repository. https://doi.org/10.1016/j.gene.2004.12.040
Abstract: The first generation of clinically applied tissue engineering concepts in the area of skin, cartilage and bone marrow regeneration was based on the isolation, expansion and implantation of cells from the patient's own tissue. Although successful in selective treatments, tissue engineering needs to overcome major challenges to allow widespread clinical application with predictable outcomes. One challenge is to present the cells in a matrix to the implantation site to allow the cells to survive the wound healing contraction forces, tissue remodeling in certain tissues such as bone and biomechanical loading. Hence, several tissue engineering strategies focus on the development of load-bearing scaffold/cell constructs. From a cell source point of view, bone engineers face challenges to isolate and expand cells with the highest potential to form osseous tissue along with harvesting tissue without extensive donor site morbidity. A major hurdle to tissue engineering is de-differentiation and limited ability to control cell phenotype following in vitro expansion. Due to early successes with genetic engineering, bone tissue engineers have used different strategies to genetically alter various types of mesenchymal cells to enhance the mineralization capacity of tissue-engineered scaffold/cell constructs. Although the development of multi-component scaffold/osteogenic cell constructs requires a combination of interdisciplinary research strategies, the following review is limited to describe the general aspects of bone engineering and to present overall directions of technology platforms, which include a genetic engineering component. This paper reviews the most recent work in the field and discusses the concepts developed and executed by a collaborative effort of the multi-disciplinary teams of the two authors. © 2005 Elsevier B.V. All rights reserved.
Source Title: Gene
URI: http://scholarbank.nus.edu.sg/handle/10635/68406
ISSN: 03781119
DOI: 10.1016/j.gene.2004.12.040
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