Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Reexamination Certificate
2011-05-17
2011-05-17
Carlson, Karen Cochrane (Department: 1656)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
C530S350000
Reexamination Certificate
active
07943570
ABSTRACT:
Glycosylated albumin as a drug carrier for a DDS targeting the liver (particularly kupffer's cell) can be provided by mutating a DNA encoding albumin to encode a mutant albumin containing a partial amino acid sequence permitting glycosylation modification by eukaryotic cell, preferably a consensus sequence of N-linked sugar chain, introducing an expression vector containing the mutant DNA into a host eukaryotic cell, preferably a host cell permitting addition of a high-mannose type sugar chain, culturing the obtained transformant, and recovering a glycosylated albumin protein from the obtained culture.
REFERENCES:
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Kai Toshiya
Katayama Naohisa
Nakajou Keisuke
Otagiri Masaki
Carlson Karen Cochrane
Leydig , Voit & Mayer, Ltd.
Nipro Corporation
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