RRC ID 61614
著者 Sasaki J, Asoh TA, Matsumoto T, Egusa H, Sohmura T, Alsberg E, Akashi M, Yatani H.
タイトル Fabrication of three-dimensional cell constructs using temperature-responsive hydrogel.
ジャーナル Tissue Eng Part A
Abstract A morphologically controlled three-dimensional (3D) cell construct composed of only cells and having no scaffold material might be a valuable biologic material for tissue engineering applications, as the scaffold materials can cause delay of tissue regeneration in some conditions. To obtain such a 3D cell construct, a 3D thermoresponsive hydrogel (poly-N-isopropylacrylamide) was prepared as a mold material that changes its volume depending on the temperature. Three-dimensional osteoblast cell constructs with a variety of morphologies as well as a monolayered cell sheet were obtained by decreasing the surrounding temperature of the hydrogel designed with a predefined shape and formed by curing in a polymer mold manufactured via 3D printing. The cell sheet or 3D cell constructs detachment resulted from a simple change in the gel volume, not by the surface chemistry of the gel, because the surface hydrophilicity of the gel was maintained over a wide temperature range. These 2D/3D cell constructs have numbers of exciting applications such as cell carriers for tissue regeneration or as model tissues for the biological study.
巻・号 16(8)
ページ 2497-504
公開日 2010-8-1
DOI 10.1089/ten.TEA.2009.0523
PMID 20218862
MeSH Acrylic Resins / chemistry* Animals Biocompatible Materials / chemistry* Cell Culture Techniques / methods* Cell Line Hydrogels / chemistry* Materials Testing Mice Osteoblasts / cytology* Osteoblasts / physiology* Surface Properties Temperature Tissue Engineering / methods*
IF 3.508
リソース情報
ヒト・動物細胞 MC3T3-E1(RCB1126)