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- Title
Porous scaffold design for tissue engineering.
- Authors
Hollister, Scott J.
- Abstract
A paradigm shift is taking place in medicine from using synthetic implants and tissue grafts to a tissue engineering approach that uses degradable porous material scaffolds integrated with biological cells or molecules to regenerate tissues. This new paradigm requires scaffolds that balance temporary mechanical function with mass transport to aid biological delivery and tissue regeneration. Little is known quantitatively about this balance as early scaffolds were not fabricated with precise porous architecture. Recent advances in both computational topology design (CTD) and solid free-form fabrication (SFF) have made it possible to create scaffolds with controlled architecture. This paper reviews the integration of CTD with SFF to build designer tissue-engineering scaffolds. It also details the mechanical properties and tissue regeneration achieved using designer scaffolds. Finally, future directions are suggested for using designer scaffolds with in vivo experimentation to optimize tissue-engineering treatments, and coupling designer scaffolds with cell printing to create designer material/biofactor hybrids.
- Subjects
TISSUE engineering; CELL culture; TISSUE culture; BIOMEDICAL engineering; POROUS materials; REGENERATION (Biology)
- Publication
Nature Materials, 2005, Vol 4, Issue 7, p518
- ISSN
1476-1122
- Publication type
Article
- DOI
10.1038/nmat1421