Conjugates of biologically active proteins having a modified in vivo half-life

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United States of America Patent

PATENT NO 8129348
SERIAL NO

12251324

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Abstract

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Disclosed are biologically active protein conjugates that comprise a biologically active polypeptide coupled via a peptide bond to a polypeptide comprising from 2 to about 500 units of a repeating peptide motif, wherein the biologically active protein conjugate exhibits a modified plasma half-life compared to the intrinsic half-life of the unconjugated biologically active polypeptide or protein. Also disclosed are methods of making and using the conjugated proteins, as well as methods for determining whether a given conjugate exhibits a modified half life relative to the intrinsic half life of the unconjugated polypeptide.

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Patent Owner(s)

Patent OwnerAddress
CELL THERAPEUTICS INCSEATTLE WA 98121

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Besman, Marc Seattle, US 18 269
Chipman, Stewart Bainbridge Island, US 3 75
Leung, David Mercer Island, US 29 635
Singer, Jack Seattle, US 16 219

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