The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 2022
Filed:
Jan. 25, 2018
Naishuo Zhu, Shanghai, CN;
Baoxiu Liu, Shanghai, CN;
Naishuo Zhu, Shanghai, CN;
Baoxiu Liu, Shanghai, CN;
Other;
Abstract
The present invention provides a peptide having high binding affinity for PD-L1 protein and use thereof. The peptide has an amino acid sequence of SEQ ID NO: 1, SEQ ID NO: 3 or SEQ ID NO: 4, or the peptide is a tandem or branched peptide with a single repeat or multiple repeats of SEQ ID NO: 1, SEQ ID NO: 3 and SEQ ID NO: 4 and has an amino acid sequence of SEQ ID NO: 5. The peptide can bind to human PD-L1 with high affinity, competitively block the affinity of PD-1/PD-L1 protein, block the negative regulatory tolerance pathway of human tumors, activate immunity and increase the lethality of T cells against tumor cells.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile