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Class 435/216 - Streptokinase


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter wherein the source of the enzyme which catalyzes
No. of patents: 78
Last issue date: 01/10/2012


  2  
NumberTitleIssue Date
5434073Fibrinolytic and anti-thrombotic cleavable dimers
Relatively inactive fusion proteins are activatable by enzymes of the clotting cascade to have fibrinolytic and/or clot formation inhibition activity. For example, a fusion protein comprising two hirudin or streptokinase molecules, linked by a cleavable l...
07/18/1995
5350578Inhibition of arterial thrombotic occlusion or thromboembolism
The method of preventing arterial thrombotic occlusion or thromboembolism by administering plasma-derived or recombinant produced protein C alone or in combination with a thrombolytic agent or combinations of thrombolytic agents....
09/27/1994
5334384Process for purification of streptakinase using a reducing agent
A process for the separation of streptokinase from contaminating proteins in a streptokinase-containing mixture, which comprises treating the mixture with a reducing agent to reduce disulphide bridges in the contaminating proteins to free thiol groups, co...
08/02/1994
5308617Protein heparin conjugates
A pharmaceutical composition is prepared wherein a biologically active conjugated protein is selectively conjugated to at least one heparin fragment having a terminal 2,5-anhydro-D-mannose residue which has an aldehyde not involved in intramolecular hemia...
05/03/1994
5296366Method for the isolation and expression of a gene which codes for streptokinase, nucleotide sequence obtained, recombinant DNA and transformed microorgnaisms
The present invention relates to the field of biotechnology and genetic engineering and in particular a novel nucleotide sequence which codes for a streptokinase, as well as the recombinant DNA obtained therefrom which is used for the transformation of va...
03/22/1994
5272076Compounds and methods for treatment of thromboembolic disorders using an adduct of t-PA
The present invention provides adducts of human t-PA derivatives, which comprise a t-PA derivative that lacks the Finger, Growth Factor and Kringle 1 domains, bound to an amphipathic molecule. The invention also provides methods for preparing the adducts ...
12/21/1993
5256642Compositions of soluble complement receptor 1 (CR1) and a thrombolytic agent, and the methods of use thereof
The present invention relates to compositions comprising soluble complement receptor 1 (CR1) and a thrombolytic agent. In a specific embodiment, the thrombolytic agent is anisoylated human plasminogen-streptokinase activator complex (ASPAC). The invention...
10/26/1993
5242688Method of treating thromboembolic disorders by administration of diglycosylated t-PA variants
The present invention provides a method of treating thromboembolic disorders with the diglycosylated form of a tissue plasminogen activator derivative that lacks the Finger, EGF and Kringle I domains of the native tissue plasminogen activator molecule....
09/07/1993
5240845Mutated streptokinase proteins
This invention relates to a novel chemically synthesized gene including a base sequence coding for the primary amino acid sequence of natutal-type streptokinase, a corresponding plasmid recombinant, corresponding transformant and process for preparing str...
08/31/1993
5223408Method for making variant secreted proteins with altered properties
A screening method for the selection of mutagenized proteins that are normally secreted by cells is described. The method includes the development of a cloning vector for the expression of secretory proteins as fusion proteins on the cell surface of trans...
06/29/1993
5218137Light activated acyl-enzymes
Light activated acyl-enzymes of the formula: ##STR1## are disclosed. In the compounds of Formula (III), ENZ is an enzyme, X is O or S, Y is --NR3 R4, --OR5, or --SR5, and Z is a nucleophile. m is 0 to 3 and...
06/08/1993
5190756Methods and materials for expression of human plasminogen variant
A cleavage-resistant plasminogen molecule is provided that is conveniently produced in recombinant cells by expression of a nucleic acid sequence encoding the plasminogen molecule. Preferably the plasminogen is a sequence variant with a modification in it...
03/02/1993
5187098DNA encoding hybrid streptokinases with plasminogen fibrin binding domains
Compositions and methods of the synthesis of hybrid streptokinase with fibrin binding domains based on gene fusion technology. Recombinant DNA methods have been used to fuse gene segments for streptokinase and for fibrin-binding domains and express the fu...
02/16/1993
5116613Antibody-thrombolytic agent product and method of use
A thrombolytic product comprising a fibrin-specific antibody substantially devoid of fibrinogen cross-reactivity coupled to a thrombolytic agent....
05/26/1992
5114851Light activated acyl-enzymes
Light activated acyl-enzymes of the formula: ##STR1## are disclosed. In the compounds of Formula (III), ENZ is an enzyme, X is O or S, Y is --NR3 R4, --OR5, or --SR5, and Z is a nucleophile. m is 0 to 3 and...
05/19/1992
5094950Diethylenetriamine pentaacetic acid derivatives
A compound of the formula II: ##STR1## wherein n is an integer of 2 to 10, A' is a bivalent linking group formed by reacting both the reactive groups of a cross linking reagent, and B is a residue of a polypeptide compound, and physiologically acceptable ...
03/10/1992
5084274Inhibition of arterial thrombotic occlusion or thromboembolism
The method of preventing arterial thrombotic occulsion or thromboembolism by administering plasma-derived or recombinate produced protein C alone or in combination with a thrombolytic agent or combinations of thrombolytic agents....
01/28/1992
5068179Process for the determination of a component of an immune reaction in a plasma sample
The present invention provides a method for the determination of a component of an immune reaction in a plasma sample using an immunoassay at a temperature of from 15° to 40° C., where one of the reactive components is in solid phase. The invention invo...
11/26/1991
5066589Streptokinase-coding recombinant vectors
A recombinant vector adapted for transformation of a suitable microorganism host to produce and secrete streptokinase. The recombinant vector comprises a plasmid into which a polydeoxyribonucleotide fragment from Streptococcus equisimilis H46A which codes...
11/19/1991
5051264Potentiation of the thrombolytic effect of prourokinase type plasminogen activators by streptokinase
The thrombolytic effect of known plasminogen activators such as tissue plasminogen activator (t-PA), prourokinase and modifications of t-PA and prourokinase is enhanced dramatically and unexpectedly when combined with streptokinase. The body is treated wi...
09/24/1991
5015583Process for the purification of plasminogen activators (PA)
A process is described for the purification of plasminogen activator (PA), wherein a solution containing such as plasminogen activator is brought into contact with a carrier-bound polysulfate of a saccharide or sulfated sugar, the liquid is removed, and t...
05/14/1991
5011686Thrombus specific conjugates
Disclosed is a method of targeting reagents to the locus of a clot, and a family of substances that have affinity for fibrin. The method and substances exploit the discovery that the binding sites on protein A from Staphylococcus aureus have a significant...
04/30/1991
5004802100KDa protein from blood which binds to and inhibits the activity of plasminogen activators
A protein called PA binding protein has been isolated which binds specifically and reversibly to tissue plasminogen activator. The protein is characterized by a molecular mass of about 100,000 daltons, and electrophoretic mobility in agarose at pH 8.6 equ...
04/02/1991
4889808Method of enchancing t-PA and SCU-PA production
Disclosed herein is a method of enhancing the production of tissue plasminogen activator (t-PA) and single chain urokinase plasminogen activator (SCU-PA) by normal human lung diploid fibroblast cells in a serum-free medium. The method comprises the additi...
12/26/1989
4820811Amine reacted therapeutic agents
A complex of a therapeutic agent is disclosed in which the therapeutic agent is complexed to an ammonium ion selected from the group consisting of ##STR1## where R1 and R2 are the same or different and are alkyl or hydroxy ...
04/11/1989
4808405P-anisoyl streptokinase/plasminogen complex
A binary complex between streptokinase and plasminogen is prepared in which the catalytic site essential for fibrinolytic activity is blocked by a group which is removable by hydrolysis such that the pseudo-first order rate constant for hydrolysis of the ...
02/28/1989
4764469Streptokinase-coding recombinant vectors
A recombinant vector adapted for transformation of a suitable bacterial microorganism host to produce and secrete streptokinase. The recombinant vector comprises a plasmid into which a polydeoxyribonucleotide fragment from Streptococcus equisimilis H46A w...
08/16/1988
4666697Radioactive diagnostic agent
A radioactive diagnostic agent which comprises (1) a unit of a polyformyl compound having at least three formyl groups per molecule, (2) at least two units of an amino group-containing chelating compound bonded to the polyformyl compound a methyleneimine ...
05/19/1987
4568544Aqueous solution of a tissue plasminogen activator dissolved therein at an increased concentration and a method
An aqueous solution of a tissue plasminogen activator dissolved therein at an increased concentration which comprises an aqueous medium and, dissolved therein, a high purity tissue plasminogen activator and at least one dissolution aid selected from the g...
02/04/1986
4559221P-Glyoxyloylphenylalkanoic acid bis(thiosemicarbazone) derivatives, and their production and use
A radioactive diagnostic agent which comprises a physiologically active substance and a radioactive metallic element combined with a compound of the formula: ##STR1## wherein R is a hydrogen atom or a C1 -C3 alkyl group and n is...
12/17/1985
4552760Method for stabilizing tissue plasminogen activator and a stable aqueous solution or powder containing the same
A method for stabilizing a tissue plasminogen activator which involves adding to an aqueous solution or powder containing a tissue plasminogen activator an effective amount of a purified gelatin is disclosed. A stable aqueous solution or powder which cont...
11/12/1985
4507283Pharmacologically active compounds
A derivative of streptokinase-human plasminogen activator complex, in which the active catalytic site essential for fibrinolytic activity is blocked by a 2- or 4-aminobenzoyl group, is useful in treating venous thrombosis. The blocking group is removable by hy...
03/26/1985
4418052Diagnostic compositions and method for radiologic imaging of fibrinogen deposition in the body
A novel injectable diagnostic composition comprises a fibrinolytic enzyme such as streptokinase-activated human plasmin or human urokinase, a stannous reducing agent and an alkaline sodium citrate reagent prepared and packaged as an instant non-radioactiv...
11/29/1983
4378435Process for providing enzyme activity to a solid surface
A process for providing enzyme activity to the surface of an article is described, comprising forming a film on the surface of the article, said film comprising an acid anhydride group-containing polymer and a polyol, wherein the acid anhydride groups are...
03/29/1983
4315002Solid pharmaceutical or diagnostic agent containing dextran and its preparation
A process for the preparation of a solid pharmaceutical or diagnostic composition in which the active substance and dextran are dissolved in water, the solution is placed in a mold and is thereafter lyophilized to form a solid abrasion-resistant tablet wh...
02/09/1982
4285932Enzyme derivatives for use in the treatment of venous thrombosis
A pharmaceutical composition which comprises a pharmaceutically acceptable carrier together with an in vivo fibrinolytic enzyme as defined herein wherein the catalytic site essential for fibrinolytic activity is blocked by a group which is removable by hy...
08/25/1981
4082612Plasminogen activator complex
A functionally active fraction of plasmin is provided which is capable of forming with streptokinase a complex with plasminogen activator activity. The fraction is made by reducing the disulfide bonds of plasmin molecules while inhibiting the serine protease a...
04/04/1978
4011142Process for measuring the plasminogen content of a sample
The plasminogen content of a blood sample is measured by determining the rate of formation of fibrin in a sample in which antiplasmin-free plasminogen is activated to form plasmin before the onset of fibrin formation so that the plasmin-conditioned break-...
03/08/1977
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