US Patent Issued to TOAGOSEI on Aug. 19 for "Foreign substance introduction construct and use thereof" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,770, issued on Aug. 19, was assigned to TOAGOSEI Co. LTD. (Tokyo).

"Foreign substance introduction construct and use thereof" was invented by Nahoko Baileykobayashi (Tsukuba, Japan) and Tetsuhiko Yoshida (Tsukuba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The herein disclosed method for introducing a foreign substance of interest from outside a eukaryotic cell into at least a cytoplasm of the cell, comprises: (1) a step of preparing a foreign substance introduction construct that has a carrier peptide fragment comprising either of the amino acid sequences: KKRTLRKSNRKKRWPC(SEQ ID NO: 1) and KKRTLRKKKRKKRWPC(SEQ ID NO: 2), and that has the...