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| Name | Propofol | ||||||||||||||||||||||||||||||||||||
| Accession Number | DB00818 (APRD01201, DB05893, EXPT02558) | ||||||||||||||||||||||||||||||||||||
| Type | small molecule | ||||||||||||||||||||||||||||||||||||
| Groups | approved | ||||||||||||||||||||||||||||||||||||
| Description | Propofol is an intravenous anaesthetic agent used for induction and maintenance of general anaesthesia. IV administration of propfol is used to induce unconsciousness after which anaesthesia may be maintained using a combination of medications. Recovery from propofol-induced anaesthesia is generally rapid and associated with less frequent side effects (e.g. drowsiness, nausea, vomiting) than with thiopental, methohexital, and etomidate. Propofol may be used prior to diagnostic procedures requiring anaesthesia, in the management of refractory status epilepticus, and for induction and/or maintenance of anaesthesia prior to and during surgeries. |
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| Structure |
Download: MOL | SDF | SMILES | InChI Display: 2D Structure | 3D Structure |
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| Brand name mixtures | Not Available | ||||||||||||||||||||||||||||||||||||
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| CAS number | 2078-54-8 | ||||||||||||||||||||||||||||||||||||
| Weight |
Average: 178.2707 Monoisotopic: 178.135765198 |
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| Chemical Formula | C12H18O | ||||||||||||||||||||||||||||||||||||
| InChI Key | InChIKey=OLBCVFGFOZPWHH-UHFFFAOYSA-N | ||||||||||||||||||||||||||||||||||||
| InChI |
InChI=1S/C12H18O/c1-8(2)10-6-5-7-11(9(3)4)12(10)13/h5-9,13H,1-4H3
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| IUPAC Name |
2,6-bis(propan-2-yl)phenol
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| SMILES |
CC(C)C1=CC=CC(C(C)C)=C1O
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| Mass Spec | show (7.9 KB) | ||||||||||||||||||||||||||||||||||||
| Taxonomy | |||||||||||||||||||||||||||||||||||||
| Kingdom | Organic | ||||||||||||||||||||||||||||||||||||
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| Pharmacology | |||||||||||||||||||||||||||||||||||||
| Indication | Used for induction and/or maintenance of anaesthesia and for management of refractory status epilepticus. | ||||||||||||||||||||||||||||||||||||
| Pharmacodynamics | Propofol is a sedative-hypnotic agent for use in the induction and maintenance of anesthesia or sedation. Intravenous injection of a therapeutic dose of propofol produces hypnosis rapidly with minimal excitation, usually within 40 seconds from the start of an injection (the time for one arm-brain circulation). | ||||||||||||||||||||||||||||||||||||
| Mechanism of action | The action of propofol involves a positive modulation of the inhibitory function of the neurotransmitter gama-aminobutyric acid (GABA) through GABA-A receptors. | ||||||||||||||||||||||||||||||||||||
| Absorption | Rapid - time to onset of unconsciousness is 15-30 seconds, due to rapid distribution from plasma to the CNS. Distribution is so rapid that peak plasma concentrations cannot be readily measured. Duration of action is 5-10 minutes. | ||||||||||||||||||||||||||||||||||||
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| Protein binding | 95 to 99%, primarily to serum albumin and hemoglobin | ||||||||||||||||||||||||||||||||||||
| Metabolism |
Hepatically metabolized mainly by glucuronidation at the C1-hydroxyl. Hydroxylation of the benzene ring to 4-hydroxypropofol may also occur via CYP2B6 and 2C9 with subsequent conjugation to sulfuric and/or glucuronic acid. Hydroxypropofol has approximately 1/3 of hypnotic activity of propofol.
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| Route of elimination | It is chiefly eliminated by hepatic conjugation to inactive metabolites which are excreted by the kidney. | ||||||||||||||||||||||||||||||||||||
| Half life | Initial distribution phase t1/2α=1.8-9.5 minutes. Second redistirubtion phase t1/2β=21-70 minutes. Terminal elimination phase t1/2γ=1.5-31 hours. | ||||||||||||||||||||||||||||||||||||
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| Toxicity | Overdosage may increase pharmacologic and adverse effects or cause death.
IV LD50=53 mg/kg (mice), 42 mg/kg (rats). Oral LD50 (as a solution in soybean oil)=1230 mg/kg (mice), 600 mg/kg (rats) |
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| Pathways | Not Available | ||||||||||||||||||||||||||||||||||||
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| Properties | |||||||||||||||||||||||||||||||||||||
| State | liquid | ||||||||||||||||||||||||||||||||||||
| Melting point | 18 oC | ||||||||||||||||||||||||||||||||||||
| Experimental Properties |
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| Synthesis Reference | Not Available | ||||||||||||||||||||||||||||||||||||
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| PDB Entries | Not Available | ||||||||||||||||||||||||||||||||||||
| FDA label | show (168.3 KB) | ||||||||||||||||||||||||||||||||||||
| MSDS | show (71.9 KB) | ||||||||||||||||||||||||||||||||||||
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| Drug Interactions | Not Available | ||||||||||||||||||||||||||||||||||||
| Food Interactions | Not Available | ||||||||||||||||||||||||||||||||||||
| Targets |
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1. Gamma-aminobutyric-acid receptor subunit beta-2 Pharmacological action: yesActions: potentiator GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel Organism class: humanUniProt ID: P47870 ![]() Gene: GABRB2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
2. Gamma-aminobutyric-acid receptor subunit beta-3 Pharmacological action: yesActions: potentiator GABA, the major inhibitory neurotransmitter in the vertebrate brain, mediates neuronal inhibition by binding to the GABA/benzodiazepine receptor and opening an integral chloride channel Organism class: humanUniProt ID: P28472 ![]() Gene: GABRB3 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. Sodium channel protein type 4 subunit alpha Pharmacological action: unknownActions: inhibitor This protein mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient. This sodium channel may be present in both denervated and innervated skeletal muscle Organism class: humanUniProt ID: P35499 ![]() Gene: SCN4A ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
4. Sodium channel protein type 2 subunit alpha Pharmacological action: unknownActions: inhibitor Mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient Organism class: humanUniProt ID: Q99250 ![]() Gene: SCN2A ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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| Enzymes |
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Actions: substrate, inhibitor
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. This enzyme contributes to the wide pharmacokinetics variability of the metabolism of drugs such as S- warfarin, diclofenac, phenytoin, tolbutamide and losartan UniProt ID: P11712![]() Gene: CYP2C9 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics UniProt ID: P20813![]() Gene: CYP2B6 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. UDP-glucuronosyltransferase 1-8 Actions: substrateUDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds UniProt ID: Q9HAW9![]() Gene: UGT1A8 ![]() Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
4. UDP-glucuronosyltransferase 1-9 Actions: substrateUDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform has specificity for phenols UniProt ID: O60656![]() Gene: UGT1A9 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
5. UDP-glucuronosyltransferase 1-1 Actions: inhibitorUDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform glucuronidates bilirubin IX- alpha to form both the IX-alpha-C8 and IX-alpha-C12 monoconjugates and diconjugate UniProt ID: P22309![]() Gene: UGT1A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Degrades bioactive fatty acid amides like oleamide, the endogenous cannabinoid, anandamide and myristic amide to their corresponding acids, thereby serving to terminate the signaling functions of these molecules UniProt ID: O00519![]() Gene: FAAH ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate, inhibitor
Metabolizes several precarcinogens, drugs, and solvents to reactive metabolites. Inactivates a number of drugs and xenobiotics and also bioactivates many xenobiotic substrates to their hepatotoxic or carcinogenic forms UniProt ID: P05181![]() Gene: CYP2E1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: inhibitor
Participates in the metabolism of an as-yet-unknown biologically active molecule that is a participant in eye development UniProt ID: Q16678![]() Gene: CYP1B1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: inhibitor
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics UniProt ID: P04798![]() Gene: CYP1A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate, inhibitor
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Most active in catalyzing 2-hydroxylation. Caffeine is metabolized primarily by cytochrome CYP1A2 in the liver through an initial N3-demethylation. Also acts in the metabolism of aflatoxin B1 and acetaminophen UniProt ID: P05177![]() Gene: CYP1A2 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Exhibits a high coumarin 7-hydroxylase activity. Can act in the hydroxylation of the anti-cancer drugs cyclophosphamide and ifosphamide. Competent in the metabolic activation of aflatoxin B1. Constitutes the major nicotine C-oxidase UniProt ID: P11509![]() Gene: CYP2A6 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics UniProt ID: P33260![]() Gene: CYP2C18 ![]() Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Responsible for the metabolism of a number of therapeutic agents such as the anticonvulsant drug S-mephenytoin, omeprazole, proguanil, certain barbiturates, diazepam, propranolol, citalopram and imipramine UniProt ID: P33261![]() Gene: CYP2C19 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. In the epoxidation of arachidonic acid it generates only 14,15- and 11,12-cis-epoxyeicosatrienoic acids. It is the principal enzyme responsible for the metabolism the anti- cancer drug paclitaxel (taxol) UniProt ID: P10632![]() Gene: CYP2C8 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate, inhibitor
Responsible for the metabolism of many drugs and environmental chemicals that it oxidizes. It is involved in the metabolism of drugs such as antiarrhythmics, adrenoceptor antagonists, and tricyclic antidepressants UniProt ID: P10635![]() Gene: CYP2D6 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: substrate, inhibitor
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4- hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. The enzyme also hydroxylates etoposide UniProt ID: P08684![]() Gene: CYP3A4 Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
17. UDP-glucuronosyltransferase 1-6 Actions: substrateUniProt ID: P19224 ![]() References:
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Serum albumin, the main protein of plasma, has a good binding capacity for water, Ca(2+), Na(+), K(+), fatty acids, hormones, bilirubin and drugs. Its main function is the regulation of the colloidal osmotic pressure of blood UniProt ID: P02768![]() Gene: ALB ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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This project is supported by Genome Alberta & Genome Canada, a not-for-profit organization that is leading Canada's national genomics strategy with $600 million in funding from the federal government. This project is also supported in part by GenomeQuest, Inc., an enterprise genomic information company serving the life science community.