URICASE PEG-CONJUGATES AND THEIR APPLYING

FIELD: biochemistry, pharmaceutical chemistry. ^ SUBSTANCE: invention relates to preparing conjugate of naturally occurring or recombinant urate oxidase (uricase) bound covalently with poly-(ethylene glycol) or poly-(ethylene oxide) (both are designated as PEG) wherein in average from 4 to 10 PEG st...

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Bibliographische Detailangaben
Hauptverfasser:	KHERSHFILD MAJKL S, SHERMEHN MERRI R, KELLI S'JUZEHN DZH, VILLIAMZ L. DEHVID, SAJFER MARK DZH. P
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	FIELD: biochemistry, pharmaceutical chemistry. ^ SUBSTANCE: invention relates to preparing conjugate of naturally occurring or recombinant urate oxidase (uricase) bound covalently with poly-(ethylene glycol) or poly-(ethylene oxide) (both are designated as PEG) wherein in average from 4 to 10 PEG strands are conjugated with each subunit of uricase and molecular mass of PEG is about between 20 and 40 kDa. Prepared PEG-uricase conjugates are nonimmunogenic practically and retain at least 75% of uricolytic activity of nonmodified enzyme. ^ EFFECT: improved preparing method, valuable properties of conjugates. ^ 22 cl, 17 dwg, 12 ex