Main > TRANSPLANTATION (Cells, Organs Etc) > Rejection. > Delaying. by > Syalylated CR1 Glycoprotein

Product USA. A

PATENT ASSIGNEE'S COUNTRY USA
UPDATE 05.00
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS Claim 1
A method of delaying transplant rejection in a subject comprising adm to subject a pharma compn comprising carrier or excipient &
- Syalylated CR1 glycoprotein molecules, in which said
compn exhibits dominant isoforms of sCR1 gp molecules
which have an isoelectric point pI < 5.1 as determined by
chromatofocusing & wherein pI of said isoforms increases
after neuraminidase treat
Claim 12
A method for making an sCR1 gp prepn comprising
- Expressing DNA coding an sCR1 protein in a mammalian
host cell in culture under conditions wherein cell growth is
not limited by nutrient supply & wherein said host cell is ca
pable of sialylation of oligosaccharide structures
- Recovering a compn comprising a plurality of sCR1 gp
molecules from the culture
- Recovering sCR1 gp isoforms from the compn to afford
a prepn which exhibits dominant sCR1 gp isoforms having
pI < 5.1 as determined by chromatofocusing, wherein pI
increases after neuraminidase treat
sCR1 = Syalylated gp of soluble Complement Receptor 1
PATENT PHOTOCOPY Available on request

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