ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,147, issued on Dec. 2, was assigned to Sumitomo Chemical Co. Ltd. (Chuo-ku, Japan).

"Method for producing cell mass including pituitary tissue, and cell mass thereof" was invented by Tokushige Nakano (Kobe, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention aims to provide a method for efficiently producing a cell mass containing pituitary tissue from pluripotent stem cells. A method for producing a cell mass containing pituitary tissue, including the following steps (1) and (2): (1) a first step of suspension-culturing pluripotent stem cells to form a cell aggregate in the presence of a Wnt signal transduction pathway inhibit...