摘要:
The invention relates to fusion proteins comprising a fusion part and a protein of interest, the combination of the two proteins leading to the fusion protein being secreted into the supernatant of a bacterial host and the protein of interest being present in its correct three-dimensional structure.
摘要:
A novel polypeptide derived from the leech Hirudo medicinalis was found to be able to inhibit Factor Xa thereby reducing the extent of blood coagulation. The polypeptide is useful in treating conditions of excessive blood coagulation. A recombinant organism containing cDNA encoding the polypeptide has been deposited in the ATCC under Accession No. 69134. Recombinant microorganisms able to produce the polypeptide have been deposited in the ATCC under Accession Nos. 69135, 69137 and 69269.
摘要:
A novel process for the production of recombinant desulphatohirudin by transformed yeast strains is provided. The process makes use of an expression cassette comprising the yeast CUP1 promoter. The invention concerns also said transformed yeast strains, novel expression vectors and methods for the production thereof.
摘要:
Es werden Proteine mit fibrinolytischen und gerinnungshemmenden Eigenschaften beschrieben, die am N- und/oder C-terminalen Ende der Plasminogen aktivierenden Aminosäuresequenz mit einer Thrombin oder Faktor Xa hemmenden Aminosäuresequenz verknüpft sind. Die Proteine, die gentechnisch hergestellt werden, eignen sich als Thrombolytika.
摘要:
An improved method for recovering recombinantly produced polypeptides is described. The method involves expressing the recombinant polypeptide as a fusion protein with a pro-peptide. The pro-peptide-polypeptide fusion protein can be cleaved and the recombinant polypeptide released under the appropriate conditions.
摘要:
Es werden chimäre Proteine mit fibrinolytischen und thrombinhemmenden Eigenschaften beschrieben, die am C-terminalen Ende der Plasminogen aktivierenden Aminosäuresequenz mit einer Thrombin hemmenden Aminosäuresequenz verknüpft sind.
摘要:
Novel compounds of formula (I) in which R?1 and R2¿ are hydrogen, C¿1?-C4 alkyl or are linked to form C3-C7 cycloalkyl and R?3, R4 and R5¿ are the same or different and are hydrogen, C¿1?-C4 alkyl, hydroxy, OR?6, SR6¿, halogen, NR7R8, NO2, CN, CONR7R8 or CO¿2R?9 wherein R6 is C1-C4 alkyl or C7-C10 aralkyl and R?7, R8 and R9¿ are the same or different and are hydrogen, C¿1?-C4 alkyl or C7-C10 aralyl or R?7 and R8¿ together with the nitrogen atom to which they are bound form 5 or 6 membered azacyloalkyl or oxazacyloalkyl; Arg is arginine [NH-CH(CH¿2?CH2CH2NH-C(=NH)-NH2)-CO]; X is methine CH or nitrogen; n is an integer from 0 to 7; L is a peptide linker, and H is the carboxy terminal end of hirudin, and salts thereof, are provided. The novel compounds are useful for the medical treatment or prevention of thrombosis or diseases caused by thrombosis or can be used for the determination of thrombin in blood as diagnostic reagents.
摘要:
A fusion drug including an isolated portion of the A-chain of a urokinase-type plasminogen activator linked to a drug, wherein the A-chain portion binds stably to an outer membrane of a platelet. The figure shows the primary sequence of urokinase, including the A-chain. The half-life of the fusion drug in plasma is thereby increased to about 4 to 5 days, and the fusion drug is automatically targeted to forming thrombi and sites of vascular injury. The fusion drug can thus be used to treat cardiovascular diseases, e.g., as adjunctive therapy to inhibit reocclusions in a patient after thrombolytic therapy or angioplasty.
摘要:
A hirudine mutant HVIC3 prepared by replacing an amino acid sequence starting with the 53rd amino acid residue of hirudine HV1 by an amino acid sequence starting with the 53rd amino acid residue of hirudine HV3, said mutant not only having a high antithrombin effect, but also serving to inhibit the elongation of bleeding time. Escherichia coli transformed by a foreign protein secretory vector comprising a DNA sequence containing an origin (ori) of pUC plasmid, a DNA sequence of tac promoter or trp promoter, a DNA sequence coding for signal peptide and a DNA sequence coding for foreign protein, which secretes and produces foreign proteins in large amounts outside the cells.
摘要:
Es werden Proteine mit fibrinolytischen und gerinnungshemmenden Eigenschaften beschrieben, die am N- und/oder C-terminalen Ende der Plasminogen aktivierenden Aminosäuresequenz mit einer Thrombin oder Faktor Xa hemmenden Aminosäuresequenz verknüpft sind. Die Proteine, die gentechnisch hergestellt werden, eignen sich als Thrombolytika.