National Cerebral and Cardiovascular Center

Bridgestone Corporation

Ryosuke Iwai

Yasuhide Nakayama

Yasushi Nemoto

The present disclosure aims to provide a manufacturing method of a cell structure. The manufacturing method comprises producing a coated region in which a culturing surface is coated with a temperature-responsive polymer or a temperature-responsive polymer composition, forming a droplet of a cell suspension in the coated region, and performing cell culturing in the droplet. A surface zeta potential of the coated region is 0 mV to 50 mV.

Manufacturing method of a cell structure

The present disclosure aims to provide a method of efficiently manufacturing a cell mass, a cell structure, or a three-dimensional tissue body using a culturing surface coated with a temperature-responsive polymer or a temperature-responsive polymer composition. The manufacturing method of a cell mass, a cell structure, or a three-dimensional tissue body of the present disclosure includes seeding and culturing cells on a culturing surface coated with a temperature-responsive polymer or a temperature-responsive polymer composition.

Cell mass, cell structure, and three-dimensional tissue body

A method for producing a cell having nucleic acid introduced therein and having low cytotoxicity is useful in primary cells and slowly dividing cells, for which nucleic acid introduction is difficult with conventional techniques. A method for introducing nucleic acid into a cell includes the steps of mixing a nucleic acid with a temperature sensitive material at a temperature lower than the cloud point of the temperature sensitive material, the temperature sensitive material being formed by adding 2-amino-2-hydroxymethyl-1,3-propanediol to a temperature-sensitive polymer material having 2-N,N-dimethylaminoethyl methacrylate and/or a derivative thereof as the main polymer component, flow coating a culture vessel with the resulting mixed liquid, and culturing a cell suspension provided to the culture vessel at a temperature higher than the cloud point.

Growing community of inventors

Suita, Japan

Ryosuke Iwai