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:
Dec. 23, 2025
Filed:
Mar. 14, 2018
Applicant:
Amgen Inc., Thousand Oaks, CA (US);
Inventors:
Chung-Jr Huang, Newbury Park, CA (US);
Prince Bhebe, Moorpark, CA (US);
Madiha Khurshid, Thousand Oaks, CA (US);
Li Zhang, Camarillo, CA (US);
Assignee:
AMGEN INC., Thousand Oaks, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 15/113 (2010.01); C07K 16/28 (2006.01); C12P 21/00 (2006.01);
U.S. Cl.
CPC ...
C12N 15/1138 (2013.01); C07K 16/28 (2013.01); C12P 21/005 (2013.01); C07K 2317/41 (2013.01);
Abstract
Provided herein are methods of modulating the levels of total afucosylated (TAF) glycoforms of a recombinant glycosylated protein produced by glycosylation-competent cells in a cell culture. In exemplary embodiments, the methods comprise maintaining the cell culture at an initial set point pH for an initial cell culture period. Related compositions comprising glycosylated proteins and TAF glycoforms thereof are also provided herein.