Sugar chain-containing albumin, production method thereof...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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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:
patent: 2008-43285 (2008-02-01), None
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