ANALOGE EINES ANTITHROMBOTISCHEN POLYPEPTIDES UND VERFAHREN ZU IHRER HERESTELLUNG

The present invention relates to analogues of anti-thrombin polypeptides and to a process for their preparation. The analogues have been obtained by a C-terminal modification of anti-thrombin polypeptides isolated from the leech Hirudinaria manillensis and are characterized by an improved biological...

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Bibliographische Detailangaben
Hauptverfasser:	BOLIS, GIORGIO, VISCO, CARLO, GERNA, MARCO, SCACHERI, EMANUELA, MOLINARI, ANTONIO
Format:	Patent
Sprache:	ger
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DERIVATIVES THEREOF ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS SUGARS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention relates to analogues of anti-thrombin polypeptides and to a process for their preparation. The analogues have been obtained by a C-terminal modification of anti-thrombin polypeptides isolated from the leech Hirudinaria manillensis and are characterized by an improved biological activity in comparison to the polypeptides from which they are derived. The analogues of the invention may be prepared by: 1) isolating the anti-thrombin polypeptide from the tissue or secretions of the leech Hirudinaria manillensis and 2) subsequently modifying the C-terminal end of such polypeptide. Alternatively, the analogues may also be synthetized by recombinant DNA methods. According to this latter aspect, the invention provides DNA sequences, expression vectors and host cell lines for the recombinant preparation of the analogues. The analogues of the invention find a useful application in the treatment of venous thrombosis, vascular shunt occlusion and thrombin-induced disseminated intravascular coagulation.