US Patent Issued to PuREC on Oct. 6 for "High-purity mesenchymal stem cells" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,391, issued on Oct. 6, was assigned to PuREC Co. LTD. (Shimane, Japan).

"High-purity mesenchymal stem cells" was invented by Yumi Matsuzaki (Shimane, Japan) and Takashi Suyama (Shimane, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell population of rapidly proliferating mesenchymal stem cell clones that are positive for LNGFR (CD271) or co-positive for LNGFR (CD271) and Thy-1 (CD90), wherein at least one of the following characteristics (a) and (b) is satisfied. (a) The variation coefficient of forward scattered light in flow cytometry is 35% or less. (b) The average cell size is 20 micro metre or less."

The patent was filed on April 6, 2...