Drug – bio-affecting and body treating compositions – Lymphokine – Interferon
Reexamination Certificate
2007-12-25
2007-12-25
Saoud, Christine J. (Department: 1647)
Drug, bio-affecting and body treating compositions
Lymphokine
Interferon
C530S351000
Reexamination Certificate
active
10653350
ABSTRACT:
The present invention relates to an amino acid-modified human interferon alpha isoform having at least one of the Asn-Xaa-Ser/Thr (N-X-S/T) sequence formed at a specific site so that glycosylation takes place at this site and a gene encoding the same, an expression vector comprising the gene, and a method for producing glycosylated human interferon alpha isoform by transforming or transfecting an eukaryotic cell with the expression vector, culturing the transfected or transformed cell and isolating the glycosylated human interferon alpha isoform from the culture, the glycosylated human interferon alpha isoform produced therefrom and a pharmaceutical composition comprising the same.
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Kim Hyun Seok
Kim Yeon Hyang
Koh Hyung Kon
Lee Eun Jung
Lee Hyune Soo
Arent & Fox LLP
CJ Corporation
Saoud Christine J.
Seharaseyon Jegatheesan
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