Patterning mammalian cells using elastomeric membranes

被引:254
作者
Ostuni, E
Kane, R
Chen, CS
Ingber, DE
Whitesides, GM
机构
[1] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA
[2] Childrens Hosp, Dept Surg, Boston, MA 02115 USA
[3] Childrens Hosp, Dept Pathol, Boston, MA 02115 USA
[4] Harvard Univ, Sch Med, Boston, MA 02115 USA
关键词
D O I
10.1021/la000382m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We describe the patterning of proteins and cells onto the surfaces of bacteriological Petri dishes, glass, and poly(dimethylsiloxane) (PDMS) with the use of elastomeric lift-off membranes-free-standing polymer films that have circular or square holes with diameters, sides, and height greater than or equal to 50 mu m. Cells are patterned within the physical constraints provided by the holes of the membranes; these constraints can be released to allow the cells to spread onto the rest of the surface or to remain in the pattern by controlling the properties of the surfaces. Careful control of the properties of the surfaces of the substrates are required to cause the cells to adhere to the substrate and not to the membrane, and to avoid damage to the cells on removing the membrane. This strategy of membrane-based patterning-given the acronym MEMPAT for brevity-offers a more convenient way for patterning cells on surfaces and for studying cell spreading than existing methods.
引用
收藏
页码:7811 / 7819
页数:9
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