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| Three-dimensional Construction of Tissue Organ and Concept of in situ Tissue Engineering |
| WANG Dian-liang |
| Tissue Engineering and Regenerative Medicine Laboratory, The Second Artillery General Hospital, Beijing 100088, China |
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Abstract Tissue organ three-dimensional construction is that seed cells are combined with scaffold material to obtain the designed tissue or organ, which is a main content of tissue engineering and can represent technological merits of tissue engineering, such as the construction of blood vessel and trachea. For the flaws of traditional tissue engineering, Shimizu firstly put forward the concept of in situ tissue engineering, which applies the basic principle of tissue engineering to develop new tissue to repair defects by means of the transplanted seed cells induced by every method or the migration, proliferation and differentiation of the local cells of endogenic defect tissues. The distinctive characteristic of in situ tissue engineering is that bioreactor, an in vitro cell culture apparatus, is independent. In situ tissue engineering is a beneficial supplement of traditional ex vivo tissue engineering, which still has vast potentials for future development.
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Received: 15 July 2014
Published: 25 August 2014
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