ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,982, issued on Oct. 14, was assigned to DESIGNED CELLS Co. LTD. (Cheongju-si, South Korea).

"Pharmaceutical composition containing neprilysin-overexpressing stem cell, conditioned medium thereof, and exosome isolated therefrom as active ingredient for prevention or treatment of cognitive impairment" was invented by Yun Bae Kim (Sejong-si, South Korea), Ehn Kyoung Choi (Daejeon, South Korea) and Tae Myoung Kim (Cheongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a pharmaceutical composition containing a neprilysin-overexpressing stem cell, a conditioned medium thereof, and an exosome isolated therefrom as an ac...