| abstract |
(57) [Summary] [Structure] A cell treatment agent formed by immobilizing a basic cyclic peptide having two amino groups on the surface of an insoluble carrier, and a method of contacting vascular endothelial cells with the cell treatment agent. And a method for producing a cytokine. [Effects] Useful substances such as various cytokines can be produced at high concentrations by acting on tissue cells, and can be used in the form of molded articles for cell culture, artificial blood vessels and the like. |