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T3D3735 - Dicoumarol
| Record Information | |
|---|---|
| Version | 1.0 |
| Creation Date | 2010-05-05 18:02:55 UTC |
| Update Date | 2013-04-25 08:48:48 UTC |
| Accession Number | T3D3735 |
| Identification | |
| Common Name | Dicoumarol |
| Description | Dicoumarol is a mycotoxin of combined plant and fungal origin. It is a derivative of coumarin, a substance made by plants which is transformed in mouldy feeds by a number of species of fungi into active dicoumarol. Dicoumarol is an anticoagulant that functions as a Vitamin K antagonist. It is used along with heparin for the treatment of deep venous thrombosis, as well as in biochemical experiments as an inhibitor of reductases. (W846) |
| Compound Type |
|
| Chemical Structure |
|
| Synonyms |
|
| Chemical Formula | C19H12O6 |
| Average Molecular Weight | 336.295 |
| Monoisotopic Molecular Weight | 336.063388116 |
| Chemical IUPAC Name | dicumarol |
| CAS Registry Number | 66-76-2 |
| SMILES | OC1=C(CC2=C(O)OC3=CC=CC=C3C2=O)C(=O)C2=CC=CC=C2O1 |
| InChI Identifier | InChI=1S/C19H12O6/c20-16-10-5-1-3-7-14(10)24-18(22)12(16)9-13-17(21)11-6-2-4-8-15(11)25-19(13)23/h1-8,22-23H,9H2 |
| InChI Key | InChIKey=KSKRYQVHJQRUNC-UHFFFAOYSA-N |
| Chemical Taxonomy | |
| Kingdom | Organic Compounds |
| Super Class | Phenylpropanoids and Polyketides |
| Class | Coumarins and Derivatives |
| Sub Class | Not Available |
| Direct Parent | Coumarins and Derivatives |
| Alternative Parents |
|
| Molecular Framework | Aromatic Heteropolycyclic Compounds |
| Substituents |
|
| External Descriptors | Not Available |
| External Links | |
| DrugBank ID | Not Available |
| PubChem Compound ID | 653 ![]() |
| KEGG ID | Not Available |
| UniProt ID | Not Available |
| OMIM ID | Not Available |
| ChEBI ID | Not Available |
| BioCyc ID | Not Available |
| CTD ID | Not Available |
| Stitch ID | Not Available |
| PDB ID | Not Available |
| ACToR ID | Not Available |
| Wikipedia Link | http://en.wikipedia.org/wiki/Dicoumarol ![]() |
| Physical Properties | |
| Appearance | Not Available |
| Melting Point | Not Available |
| Solubility | Not Available |
| Predicted LogP | -0.19872933289927552 |
| Toxicity Profile | |
| Route of Exposure | Oral, dermal, inhalation, and parenteral (contaminated drugs). (W967) |
| Mechanism of Action | Dicoumarol is an anticoagulant that competitively inhibits vitamin K, preventing the formation of prothrombin. It does this by inhibiting the enzyme NAD(P)H:quinone oxidoreductase-1, which is required for the reduction of vitamin K to its hydroquinone. Reduced vitamin K is a cofactor needed in the conversion of prothrombin precursor protein to active prothrombin, an essential protein for blood clotting. In addition, inhibition of NAD(P)H:quinone oxidoreductase-1 induces the generation of superoxide anion radicals that inhibit cell growth. Dicoumarol can also potently and reversible inhibit gap junctional intercellular communication, though the precise mechanism is unknown. (W846, W847, W848, W849, W850) |
| Metabolism | Not Available |
| Toxicity Values | Not Available |
| Lethal Dose | LD50: 233 mg/kg (Oral, Mouse) (S405) |
| Carcinogenicity (IARC Classification) | Not Available |
| Uses/Sources | Dicoumarol is a mycotoxin of combined plant and fungal origin. It is a derivative of coumarin, a substance made by plants which is transformed in mouldy feeds by a number of species of fungi into active dicoumarol. Dicoumarol is an anticoagulant that is used along with heparin for the treatment of deep venous thrombosis, as well as in biochemical experiments as an inhibitor of reductases. (W846) |
| Minimum Risk Level | Not Available |
| Health Effects | Dicoumarol is an anticoagulant. (W846) |
| Symptoms | Dicoumarol can cause bleeding complications. (W846) |
| Treatment | Administration of Vitamin K is the antidote for dicoumarol toxicity. (W846) |
| References | |
| General References |
|
Targets
1. NAD(P)H dehydrogenase [quinone] 1
The enzyme apparently serves as a quinone reductase in connection with conjugation reactions of hydroquinons involved in detoxification pathways as well as in biosynthetic processes such as the vitamin K-dependent gamma-carboxylation of glutamate residues in prothrombin synthesis.
Dicoumarol is an anticoagulant that competitively inhibits vitamin K, preventing the formation of prothrombin. It does this by inhibiting the enzyme NAD(P)H:quinone oxidoreductase-1, which is required for the reduction of vitamin K to its hydroquinone. Reduced vitamin K is a cofactor needed in the conversion of prothrombin precursor protein to active prothrombin, an essential protein for blood clotting. In addition, inhibition of NAD(P)H:quinone oxidoreductase-1 induces the generation of superoxide anion radicals that inhibit cell growth. Dicoumarol can also potently and reversible inhibit gap junctional intercellular communication, though the precise mechanism is unknown. (W846, W847, W848, W849, W850)UniProt ID: P15559

Gene: NQO1

Protein Sequence: FASTA
Gene Sequence: FASTA
SNPs: SNPJam Report

References:
- W846 — Wikipedia, Dicoumarol. Last Updated 29 April 2010. [Link]
- W847 — Cullen JJ, Hinkhouse MM, Grady M, Gaut AW, Liu J, Zhang YP, Weydert CJ, Domann FE, Oberley LW. Dicumarol inhibition of NADPH:quinone oxidoreductase induces growth inhibition of pancreatic cancer via a superoxide-mediated mechanism. Cancer Res. 2003 Sep 1;63(17):5513-20.
[14500388
]
- W849 — Preusch PC, Smalley DM. Vitamin K1 2,3-epoxide and quinone reduction: mechanism and inhibition. Free Radic Res Commun. 1990;8(4-6):401-15.
[2113031
]
- W850 — Nelsestuen GL, Suttie JW. The mode of action of vitamin K. Isolation of a peptide containing the vitamin K-dependent portion of prothrombin. Proc Natl Acad Sci U S A. 1973 Dec;70(12):3366-70.
[4519629
]