ReadingAssign090911

ReadingAssign090911 - CH02CH19-Yarmush ARI 12 May 2011...

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Tissue Engineering and Regenerative Medicine: History, Progress, and Challenges Franc ¸ois Berthiaume, 1 Timothy J. Maguire, 1 and Martin L. Yarmush 1 , 2 1 Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854; email: ireis@sbi.org 2 Center for Engineering in Medicine, Massachusetts General Hospital, Boston, Massachusetts 02114 Annu. Rev. Chem. Biomol. Eng. 2011. 2:403–30 First published online as a Review in Advance on March 17, 2011 The Annual Review of Chemical and Biomolecular Engineering is online at chembioeng.annualreviews.org This article’s doi: 10.1146/annurev-chembioeng-061010-114257 Copyright c ± 2011 by Annual Reviews. All rights reserved 1947-5438/11/0715-0403$20.00 Keywords arti±cial organs, skin, cartilage, liver, stem cells Abstract The past three decades have seen the emergence of an endeavor called tis- sue engineering and regenerative medicine in which scientists, engineers, and physicians apply tools from a variety of ±elds to construct biological substitutes that can mimic tissues for diagnostic and research purposes and can replace (or help regenerate) diseased and injured tissues. A signi±cant portion of this effort has been translated to actual therapies, especially in the areas of skin replacement and, to a lesser extent, cartilage repair. A good amount of thoughtful work has also yielded prototypes of other tissue sub- stitutes such as nerve conduits, blood vessels, liver, and even heart. Forward movement to clinical product, however, has been slow. Another offshoot of these efforts has been the incorporation of some new exciting technologies (e.g., microfabrication, 3D printing) that may enable future breakthroughs. In this review we highlight the modest beginnings of the ±eld and then de- scribe three application examples that are in various stages of development, ranging from relatively mature (skin) to ongoing proof-of-concept (carti- lage) to early stage (liver). We then discuss some of the major issues that limit the development of complex tissues, some of which are fundamentals- based, whereas others stem from the needs of the end users. 403 Annu. Rev. Chem. Biomol. Eng. 2011.2:403-430. Downloaded from www.annualreviews.org by Rutgers University Libraries on 09/06/11. For personal use only.
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A BRIEF HISTORY OF TISSUE ENGINEERING Tissue engineering is a relatively new feld that uses living cells, biocompatible materials, and suitable biochemical (e.g., growth Factors) and physical (e.g., cyclic mechanical loading) Factors, as well as combinations thereoF, to create tissue-like structures. Most Frequently, the ultimate goal is implantation oF these tissue constructs into the body to repair an injury or replace the Function oF a Failing organ. The critical Functions may be structural (e.g., bone, cartilage), barrier- and transport-related (e.g., skin, blood vessels), or biochemical and secretory (e.g., liver and pancreas).
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This note was uploaded on 10/23/2011 for the course BIO 201 taught by Professor Frenkel/cervantes during the Spring '10 term at Rutgers.

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ReadingAssign090911 - CH02CH19-Yarmush ARI 12 May 2011...

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