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.

Date of Patent:
May. 12, 2020

Filed:

Oct. 28, 2016
Applicant:

The United States of America, As Represented BY the Secretary, Department of Health and Human Services, Bethesda, MD (US);

Inventors:

Xiaoyuan Chen, Potomac, MD (US);

Seulki Lee, Baltimore, MD (US);

Lei Zhu, Xiamen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 49/00 (2006.01); A61K 47/65 (2017.01); A61N 5/06 (2006.01);
U.S. Cl.
CPC ...
A61K 49/0032 (2013.01); A61K 47/65 (2017.08); A61K 49/0054 (2013.01); A61K 49/0056 (2013.01); A61N 5/062 (2013.01);
Abstract

Disclosed are imaging agents having the following Formula I: wherein F is a near infrared fluorophore, S is an enzymatically cleavable oligopeptide, Q is a fluorescence quencher molecule, and M is a moiety selected from the group consisting of PEG or derivative thereof and a targeting ligand, and wherein F, Q and M are linked to separate amino acids of the enzymatically cleavable oligopeptide. Compositions comprising such compounds, as well as methods of use, methods of identifying a cell or a population of cells in vivo expressing a protease of interest, and methods of treating a disease through imaging are also disclosed.


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