Page last updated: 2024-10-24

positive regulation of plasminogen activation

Definition

Target type: biologicalprocess

Any process that increases the rate, frequency or extent of plasminogen activation. Plasminogen activation is the process in which plasminogen is processed to plasmin. [GOC:BHF, GOC:dph, GOC:tb]

Positive regulation of plasminogen activation is a critical step in the breakdown of fibrin clots, a process essential for wound healing, tissue remodeling, and the maintenance of blood vessel patency. It involves a complex interplay of proteins and enzymes that activate plasminogen, the inactive precursor of plasmin, a potent fibrinolytic enzyme. The process is tightly regulated to prevent excessive fibrinolysis and ensure appropriate clot dissolution.

**Key Players:**

* **Plasminogen:** The inactive precursor of plasmin, found in plasma and tissues.
* **Plasmin:** The active enzyme that degrades fibrin, a key component of blood clots.
* **Tissue plasminogen activator (tPA):** A serine protease released from endothelial cells that binds to fibrin and activates plasminogen to plasmin.
* **Urokinase-type plasminogen activator (uPA):** Another serine protease, predominantly found in the extracellular matrix, that activates plasminogen.
* **Plasminogen activator inhibitor-1 (PAI-1):** A major inhibitor of tPA and uPA, controlling the extent of plasminogen activation.

**Mechanism:**

1. **Activation of Plasminogen:** tPA or uPA bind to fibrin and plasminogen, bringing them into close proximity.
2. **Cleavage:** The bound activator cleaves plasminogen, converting it to the active enzyme, plasmin.
3. **Fibrinolysis:** Plasmin degrades fibrin, breaking down the clot and allowing for tissue repair and restoration of blood flow.

**Regulation:**

* **Positive Regulation:** Various factors enhance plasminogen activation, including:
* **Tissue injury:** Trauma, inflammation, or other injuries trigger the release of tPA and uPA.
* **Hormones:** Estrogen, testosterone, and other hormones can influence plasminogen activation.
* **Thrombin:** This enzyme, involved in coagulation, can activate tPA.
* **Negative Regulation:** PAI-1, a key inhibitor, controls the extent of plasminogen activation. Other factors, such as α2-antiplasmin, also contribute to inhibiting fibrinolysis.

**Significance:**

Positive regulation of plasminogen activation is crucial for maintaining a balance between coagulation and fibrinolysis, ensuring appropriate clot formation and dissolution. Dysregulation of this process can lead to various pathologies, including thrombosis (uncontrolled clotting) and hemorrhage (excessive bleeding). Understanding the intricate mechanisms governing plasminogen activation provides valuable insights into the complex interplay of coagulation and fibrinolysis, paving the way for targeted therapies and interventions for thromboembolic disorders.'
"

Proteins (5)

ProteinDefinitionTaxonomy
Protein S100-A10A protein S100-A10 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P60903]Homo sapiens (human)
Annexin A2An annexin A2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P07355]Homo sapiens (human)
Alpha-enolaseAn alpha-enolase that is encoded in the genome of human. [PMID:17968930, SALO:AJ]Homo sapiens (human)
Serine protease hepsinA serine protease hepsin that is encoded in the genome of human. [PRO:DNx, UniProtKB:P05981]Homo sapiens (human)
Coagulation factor XIIA coagulation factor XII that is encoded in the genome of human. [PRO:DNx, UniProtKB:P00748]Homo sapiens (human)

Compounds (89)

CompoundDefinitionClassesRoles
4-methylumbelliferyl acetate4-methylumbelliferyl acetate : An acetate ester consiting of umbelliferone carrying a 7-O-acetyl group.acetate ester;
coumarins
plant metabolite
diacetylbutane-2,3-dione : An alpha-diketone that is butane substituted by oxo groups at positions 2 and 3. It is a metabolite produced during the malolactic fermentation.alpha-diketoneEscherichia coli metabolite;
Saccharomyces cerevisiae metabolite
6,7-dichloroquinoxaline-2,3-dionequinoxaline derivative
tacrinetacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease.

Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.
acridines;
aromatic amine
EC 3.1.1.7 (acetylcholinesterase) inhibitor
ethacridineEthacridine: A topically applied anti-infective agent.acridines
camostatcamostat : A benzoate ester resulting from the formal condensation of the carboxy group of 4-guanidinobenzoic acid with the hydroxy group of 2-(dimethylamino)-2-oxoethyl (4-hydroxyphenyl)acetate. It is a potent inhibitor of the human transmembrane protease serine 2 (TMPRSS2) and its mesylate salt is currently under investigation for its effectiveness in COVID-19 patients.benzoate ester;
carboxylic ester;
diester;
guanidines;
tertiary carboxamide
anti-inflammatory agent;
anticoronaviral agent;
antifibrinolytic drug;
antihypertensive agent;
antineoplastic agent;
antiviral agent;
serine protease inhibitor
benzophenonebenzophenone : The simplest member of the class of benzophenones, being formaldehyde in which both hydrogens are replaced by phenyl groups.benzophenonesphotosensitizing agent;
plant metabolite
gabexateGabexate: A serine proteinase inhibitor used therapeutically in the treatment of pancreatitis, disseminated intravascular coagulation (DIC), and as a regional anticoagulant for hemodialysis. The drug inhibits the hydrolytic effects of thrombin, plasmin, and kallikrein, but not of chymotrypsin and aprotinin.benzoate ester
nafamostatnafamostat: inhibitor of trypsin, plasmin, pancreatic kallikrein, plasma kallikrein & thrombin; strongly inhibits esterolytic activities of C1r & C1 esterase complement-mediated hemolysis; antineoplasticbenzoic acids;
guanidines
quinone1,4-benzoquinone : The simplest member of the class of 1,4-benzoquinones, obtained by the formal oxidation of hydroquinone to the corresponding diketone. It is a metabolite of benzene.

benzoquinone : The simplest members of the class of benzoquinones, consisting of cyclohexadiene which is substituted by two oxo groups.

quinone : Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included).
1,4-benzoquinonescofactor;
human xenobiotic metabolite;
mouse metabolite
acenaphthenequinoneacenaphthoquinone : An orthoquinone that is the 1,2-dioxo derivative of acenaphthene.orthoquinoneschain carrier;
epitope
9,10-phenanthrenequinone9,10-phenanthrenequinone: structurephenanthrenes
5-bromoisatinindolesanticoronaviral agent
isatintribulin: endogenous MONOAMINE OXIDASE inhibitory activity extractable into ethyl acetate found in brain and many mammalian tissues and fluids; ISATIN is a major component; produced in excess following alcohol withdrawal;indoledioneEC 1.4.3.4 (monoamine oxidase) inhibitor;
plant metabolite
chloranilChloranil: A quinone fungicide used for treatment of seeds and foliage.

tetrachloro-1,4-benzoquinone : A member of the class of 1,4-benzoquiones that is 1,4-benzoquinone in which all four hydrogens are substituted by chlorines.
1,4-benzoquinones;
organochlorine compound
EC 2.7.1.33 (pantothenate kinase) inhibitor;
metabolite
benzoinbenzoins;
secondary alpha-hydroxy ketone
EC 3.1.1.1 (carboxylesterase) inhibitor
dibenzoylmethanedibenzoylmethane : A beta-diketone that is acetylacetone (acac) in which both methyl groups have been replaced by phenyl groups. It is a minor constituent of the root extract of licorice (Glycyrrhiza glabra) and exhibits antimutagenic and anticancer effects.aromatic ketone;
beta-diketone
antimutagen;
antineoplastic agent;
metabolite
benzilbenzil : An alpha-diketone that is ethane-1,2-dione substituted by phenyl groups at positions 1 and 2 respectively.

benzil: structure
alpha-diketone;
aromatic ketone
1,3-cyclohexanedione1,3-cyclohexanedione: structure

cyclohexane-1,3-dione : A cyclohexanedione carrying oxo substituents at positions 1 and 3.
beta-diketone;
cyclohexanedione
dibromsalicildibromsalicil: brominated salicyclic acid deriv; antiplaque antiseptic
1,2-naphthoquinone1,2-naphthoquinone : The parent structure of the family of 1,2-naphthoquinones, in which the oxo groups of the quinone moiety are at positions 1 and 2 of the naphthalene ring. It is a metabolite of naphthalene and is found in diesel exhaust particles.

naphthalene-1,2-dione: structure given in first source
1,2-naphthoquinonesaryl hydrocarbon receptor agonist;
carcinogenic agent
1-acetylisatin1-acetylisatin: structure in first sourceindoledione
1-phenyl-1,2-propanedione1-phenyl-1,2-propanedione : An alpha-diketone that consists of 1-phenylpropane bearing keto substituents at positions 1 and 2. It is found in coffee.

1-phenyl-1,2-propanedione: an oxoglutarate carrier antagonist
alpha-diketone;
aromatic ketone
plant metabolite
2,3-pentanedionepentane-2,3-dione : An alpha-diketone that is pentane substituted at the 2- and 3-positions by oxo groups.alpha-diketone;
methyl ketone
flavouring agent
5-methylisatin5-methylisatin: structure in first source
n-methylisatinN-methylisatin: structure given in first source
9-amino-6-chloro-2-methoxyacridine
acetylacetoneacetylacetone : A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups.beta-diketone
5-Methoxyisatinindolesanticoronaviral agent
3-methyl-1,2-cyclopentanedione3-methyl-1,2-cyclopentanedione: a peroxynitrite scavenger isolated from coffee extract; structure in first sourcecyclic ketone
4-benzoylbenzoic acid4-carboxybenzophenone: a photosensitizer agent
leupeptinaldehyde;
tripeptide
bacterial metabolite;
calpain inhibitor;
cathepsin B inhibitor;
EC 3.4.21.4 (trypsin) inhibitor;
serine protease inhibitor
1,10-phenanthroline-5,6-dione1,10-phenanthroline-5,6-dione: has antineoplastic, intercalating, and trypanocidal activities; structure given in first source
2-chloranil
3,5-di-tert-butyl-1,2-benzoquinone
5-Chloro-1H-indole-2,3-dioneindolesanticoronaviral agent
5-iodoisatin5-iodoisatin: structure in first sourceindolesanticoronaviral agent
2,2-dimethoxy-2-phenylacetophenone
anisoin
hydrobenzoinhydrobenzoin: structure in first sourceethanediol
gidazepamgidazepam: prodrug for 7-bromo-5-phenyl-1,2-dihydro-3H-1,4-benzodiazepine-2-one
5-amidinoindole
1,3-indandione1,2-indanedione: use for detection of latent fingerprints on porous surfaces; structure in first source
dabigatrandabigatran : An aromatic amide obtained by formal condensation of the carboxy group of 2-{[(4-carbamimidoylphenyl)amino]methyl}-1-methyl-1H-benzimidazole-5-carboxylic acid with the secondary amoino group of N-pyridin-2-yl-beta-alanine. The active metabolite of the prodrug dabigatran etexilate, it acts as an anticoagulant which is used for the prevention of stroke and systemic embolism.

Dabigatran: A THROMBIN inhibitor which acts by binding and blocking thrombogenic activity and the prevention of thrombus formation. It is used to reduce the risk of stroke and systemic EMBOLISM in patients with nonvalvular atrial fibrillation.
aromatic amide;
benzimidazoles;
beta-alanine derivative;
carboxamidine;
pyridines
anticoagulant;
EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor;
EC 3.4.21.5 (thrombin) inhibitor
5-Fluoroisatinindolesanticoronaviral agent
N-malonylanthranilic aciddicarboxylic acid monoamide
benzamidinecarboxamidinium ion
phosphonoacetohydroxamatephosphonoacetohydroxamic acid : The hydroxamate of phosphonoacetic acid.hydroxamic acid;
organic phosphonate
2-[2-[4-(2-fluorophenyl)-1-piperazinyl]-2-oxoethyl]-1,1-dioxo-1,2-benzothiazol-3-onepiperazines
N-(3,4-dimethylphenyl)-2-[[5-[[(4,6-dimethyl-2-pyrimidinyl)thio]methyl]-4-(2-furanylmethyl)-1,2,4-triazol-3-yl]thio]acetamideanilide
1-(4-fluorophenyl)-2-[[4-(2-furanylmethyl)-5-(phenoxymethyl)-1,2,4-triazol-3-yl]thio]ethanonearomatic ketone
(4-Methyl-2-oxochromen-7-yl) furan-2-carboxylatecoumarinsanticoronaviral agent
3,4,5-trimethoxybenzoic acid [(3,5-dimethyl-4-oxo-1-cyclohexa-2,5-dienylidene)amino] estertrihydroxybenzoic acid
5-bromo-N-(4-propan-2-ylphenyl)-2-furancarboxamidearomatic amide;
furans
2-furancarboxylic acid (2-acetyl-1-benzothiophen-3-yl) estercarboxylic ester
(5-amino-3-phenyl-1,2,4-triazol-1-yl)-(2-methoxyphenyl)methanonetriazoles
(3-amino-1,2,4-triazol-4-yl)-(2,5-dimethylphenyl)methanonebenzoic acids
3-[[(5-bromo-2-furanyl)-oxomethyl]amino]-2-methylbenzoic acidaromatic amide;
furans
2-[[4-(4-methylphenyl)sulfonyl-1-piperazinyl]methyl]-4-propan-2-ylphenolsulfonamide
3-(1-piperidinylsulfonyl)-N-(2-thiazolyl)benzamidesulfonamide
2-[[2-(3,4-dimethylanilino)-2-oxoethyl]thio]acetamideanilide
2-furanyl-[4-(4-phenoxyphenyl)sulfonyl-1-piperazinyl]methanonearomatic ether
N-(4-fluorophenyl)-3-([1,2,4]triazolo[4,3-a]quinolin-1-ylthio)propanamidequinolines
LSM-32435triazolopyrimidines
1-[1-ethyl-6-methyl-4-(4-phenyl-1-piperazinyl)-2-sulfanylidene-5-pyrimidinyl]ethanonepiperazines
1-[(3,4-dichlorophenyl)methyl]indole-2,3-dioneindoles
2-[[cyclohexyl(oxo)methyl]amino]acetic acid [2-(4-cyanoanilino)-2-oxoethyl] esterdepsipeptide
6-(4-bromophenyl)-3-methyl-1-[2-(2H-tetrazol-5-yl)ethyl]-4-(trifluoromethyl)pyrazolo[3,4-b]pyridinephenylpyridine
2-ethoxy-N-[4-(2-pyrimidinylsulfamoyl)phenyl]acetamidesulfonamide
3-[[(4-tert-butylphenyl)-oxomethyl]amino]-1H-1,2,4-triazole-5-carboxylic acid methyl esterbenzamides
3-(methoxymethyl)-2-benzofurancarboxylic acid [4-amino-6-(2-methylanilino)-1,3,5-triazin-2-yl]methyl esterbenzofurans
3-chloro-1-(4-methoxyphenyl)-4-(3-methyl-1-piperidinyl)pyrrole-2,5-dionemaleimides
2-[3-(2-chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazole(trifluoromethyl)benzenes
N-[2-furanyl-(8-hydroxy-7-quinolinyl)methyl]-2-methylpropanamidehydroxyquinoline
4-(1-methyl-3-indolyl)-N-propan-2-ylbutanamideindoles
1-(2,1,3-benzothiadiazol-4-ylsulfonyl)-N-(6-methyl-1,3-benzothiazol-2-yl)-3-piperidinecarboxamidebenzothiadiazole
1-cyclopentyl-N-[2-(3,4-dihydro-1H-isoquinolin-2-yl)ethyl]-5-oxo-3-pyrrolidinecarboxamideisoquinolines
4-[2-(1-cyclohexenyl)ethyl]-1-cyclohexyl-3-pyridin-4-ylpiperazine-2,5-dionepiperazines;
pyridines
N-(3-acetylphenyl)-3,5-dimethyl-4-isoxazolesulfonamidearomatic ketone
N-[1-(cyclohexylamino)-2-methyl-1-oxobutan-2-yl]-N-(2-furanylmethyl)-2-pyridinecarboxamideorganonitrogen compound;
organooxygen compound
N-(2-methylphenyl)-1-phenazinecarboxamidephenazines
5-Nitroisatinindolesanticoronaviral agent
1-(3,4-dihydro-1H-isoquinolin-2-yl)-2-[[5-methyl-2-(4-methylphenyl)-4-oxazolyl]methylsulfonyl]ethanone1,3-oxazoles
phenylalanyl-prolyl-arginine methyl chloridephenylalanyl-prolyl-arginine methyl chloride: selective affinity label for thrombin; RN given refers to parent (L-Pro-D-Phe-(S))-isomer
1-(3-methoxyphenyl)-3-[2-(methylthio)phenyl]ureaureas
5-Chloro-3-pyridinyl 2-furoatecarboxylic esteranticoronaviral agent
rivaroxabanrivaroxaban : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of 5-chlorothiophene-2-carboxylic acid with the amino group of 4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}morpholin-3-one. An anticoagulant used for prophylaxis of venous thromboembolism in patients with knee or hip replacement surgery.

Rivaroxaban: A morpholine and thiophene derivative that functions as a FACTOR XA INHIBITOR and is used in the treatment and prevention of DEEP-VEIN THROMBOSIS and PULMONARY EMBOLISM. It is also used for the prevention of STROKE and systemic embolization in patients with non-valvular ATRIAL FIBRILLATION, and for the prevention of atherothrombotic events in patients after an ACUTE CORONARY SYNDROME.
aromatic amide;
lactam;
monocarboxylic acid amide;
morpholines;
organochlorine compound;
oxazolidinone;
thiophenes
anticoagulant;
EC 3.4.21.6 (coagulation factor Xa) inhibitor
th 302TH 302: an hypoxia-activated prodrug of bromo-isophosphoramide mustard; an antineoplastic agent
N-[4-(6-chloro-5-nitro-1H-benzimidazol-2-yl)phenyl]acetamidebenzimidazoles