US Patent Issued to Jecho Institute, Jecho Laboratories on April 8 for "Polypeptide combination used for tumour immunotherapy, and preparation method therefor" (Chinese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,031, issued on April 8, was assigned to Jecho Institute Co. Ltd. (Shanghai) and Jecho Laboratories Inc. (Frederick, Md.).

"Polypeptide combination used for tumour immunotherapy, and preparation method therefor" was invented by Jianwei Zhu (Shanghai), Jing Wang (Shanghai), Junsheng Chen (Shanghai), Yueqing Xie (Shanghai), Hua Jiang (Shanghai), Huifang Zong (Shanghai) and Lei Han (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a polypeptide combination, a targeting component thereof comprising a shielding peptide, a cleavable part, an antigen-binding part and a first intein fragment, the shielding peptide and the antigen-binding p...