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| Name | Dinoprostone | ||||||||||||||||||||||||||||||||||||||||||
| Accession Number | DB00917 (APRD00927) | ||||||||||||||||||||||||||||||||||||||||||
| Type | small molecule | ||||||||||||||||||||||||||||||||||||||||||
| Groups | approved | ||||||||||||||||||||||||||||||||||||||||||
| Description | Dinoprostone is a naturally occurring prostaglandin E2 (PGE2). It has important effects in labour. It also stimulates osteoblasts to release factors which stimualtes bone resorption by osteoclasts. As a prescription drug it is used as a vaginal suppository, to prepare the cervix for labour and to induce labour. |
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| Structure |
Download: MOL | SDF | SMILES | InChI Display: 2D Structure | 3D Structure |
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| Salts | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| Brand mixtures | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| CAS number | 363-24-6 | ||||||||||||||||||||||||||||||||||||||||||
| Weight |
Average: 352.4651 Monoisotopic: 352.224974134 |
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| Chemical Formula | C20H32O5 | ||||||||||||||||||||||||||||||||||||||||||
| InChI Key | InChIKey=XEYBRNLFEZDVAW-ARSRFYASSA-N | ||||||||||||||||||||||||||||||||||||||||||
| InChI |
InChI=1S/C20H32O5/c1-2-3-6-9-15(21)12-13-17-16(18(22)14-19(17)23)10-7-4-5-8-11-20(24)25/h4,7,12-13,15-17,19,21,23H,2-3,5-6,8-11,14H2,1H3,(H,24,25)/b7-4-,13-12+/t15-,16+,17+,19+/m0/s1
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| IUPAC Name |
(5Z)-7-[(1R,2R,3R)-3-hydroxy-2-[(1E,3S)-3-hydroxyoct-1-en-1-yl]-5-oxocyclopentyl]hept-5-enoic acid
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| SMILES |
CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1C\C=C/CCCC(O)=O
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| Mass Spec | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy | |||||||||||||||||||||||||||||||||||||||||||
| Kingdom | Organic | ||||||||||||||||||||||||||||||||||||||||||
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| Pharmacology | |||||||||||||||||||||||||||||||||||||||||||
| Indication | For the termination of pregnancy during the second trimester (from the 12th through the 20th gestational week as calculated from the first day of the last normal menstrual period), as well as for evacuation of the uterine contents in the management of missed abortion or intrauterine fetal death up to 28 weeks of gestational age as calculated from the first day of the last normal menstrual period. Also used in the management of nonmetastatic gestational trophoblastic disease (benign hydatidiform mole). Other indications include improving the cervical inducibility (cervical "ripening") in pregnant women at or near term with a medical or obstetrical need for labor induction, and the management of postpartum hemorrhage. | ||||||||||||||||||||||||||||||||||||||||||
| Pharmacodynamics | Dinoprostone is equivalent to prostaglandin E2 (PGE2). It stimulates labor and delivery by stimulating the uterine, and thus terminates pregnancy. Dinoprostone is also capable of stimulating the smooth muscle of the gastrointestinal tract of man. This activity may be responsible for the vomiting and/or diarrhea that is not uncommon when dinoprostone is used to terminate pregnancy. | ||||||||||||||||||||||||||||||||||||||||||
| Mechanism of action | Dinoprostone administered intravaginally stimulates the myometrium of the gravid uterus to contract in a manner that is similar to the contractions seen in the term uterus during labor, resulting in the evacuation of the products of conception from the uterus. It is believed that dinoprostone exerts its uterine effects via direct myometrial stimulation, but the exact mechanism of action is unkown. Other suggested mechanisms include the regulation of cellular membrane calcium transport and of intracellular concentrations of cyclic 3',5'-adenosine monophosphate. Dinoprostone also appears to produce local cervical effects including softening, effacement, and dilation. The exact mechanism of action for this effect is also unknown, but it has been suggested that this effect may be associated with collagen degradation caused by secretion of the enzyme collagenase as a partial response to locally administered dinoprostone. | ||||||||||||||||||||||||||||||||||||||||||
| Absorption | Absorbed at a rate of 0.3 mg per hour over 12 hours while the vaginal system is in place. | ||||||||||||||||||||||||||||||||||||||||||
| Volume of distribution | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Protein binding | 73%, to albumin | ||||||||||||||||||||||||||||||||||||||||||
| Metabolism | Rapid metabolism of dinoprostone occurs primarily in the local tissues; any systemic absorption of the medication is cleared mainly in the maternal lungs and, secondarily, at sites such as the liver and kidneys. | ||||||||||||||||||||||||||||||||||||||||||
| Route of elimination | The major route of elimination of the products of PGE2 metabolism is the kidneys. | ||||||||||||||||||||||||||||||||||||||||||
| Half life | Less than 5 minutes. | ||||||||||||||||||||||||||||||||||||||||||
| Clearance | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Toxicity | Oral, mouse: LD50 = 750 mg/kg; Oral, rat: LD50 = 500 mg/kg. | ||||||||||||||||||||||||||||||||||||||||||
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| Pathways | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| State | solid | ||||||||||||||||||||||||||||||||||||||||||
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| Synthesis Reference | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| General Reference | Not Available | ||||||||||||||||||||||||||||||||||||||||||
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| PDB Entries | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| FDA label | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| MSDS | show (69.1 KB) | ||||||||||||||||||||||||||||||||||||||||||
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| Food Interactions | Not Available | ||||||||||||||||||||||||||||||||||||||||||
| Targets |
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1. Prostaglandin E2 receptor, EP2 subtype Pharmacological action: yesActions: agonist Receptor for prostaglandin E2 (PGE2). The activity of this receptor is mediated by G(s) proteins that stimulate adenylate cyclase. The subsequent raise in intracellular cAMP is responsible for the relaxing effect of this receptor on smooth muscle Organism class: humanUniProt ID: P43116 ![]() Gene: PTGER2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
2. Prostaglandin E2 receptor, EP1 subtype Pharmacological action: yesActions: agonist Receptor for prostaglandin E2 (PGE2). The activity of this receptor is mediated by G(q) proteins which activate a phosphatidylinositol-calcium second messenger system. May play a role as an important modulator of renal function. Implicated the smooth muscle contractile response to PGE2 in various tissues Organism class: humanUniProt ID: P34995 ![]() Gene: PTGER1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. Prostaglandin E2 receptor, EP3 subtype Pharmacological action: yesActions: agonist Receptor for prostaglandin E2 (PGE2); the EP3 receptor may be involved in inhibition of gastric acid secretion, modulation of neurotransmitter release in central and peripheral neurons, inhibition of sodium and water reabsorption in kidney tubulus and contraction in uterine smooth muscle. The activity of this receptor can couple to both the inhibition of adenylate cyclase mediated by G-I proteins, and to an elevation of intracellular calcium. The various isoforms have identical ligand binding properties but can interact with different second messenger systems (By similarity) Organism class: humanUniProt ID: P43115 ![]() Gene: PTGER3 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
4. Prostaglandin E2 receptor EP4 subtype Pharmacological action: yesActions: agonist Receptor for prostaglandin E2 (PGE2). The activity of this receptor is mediated by G(s) proteins that stimulate adenylate cyclase. Has a relaxing effect on smooth muscle. May play an important role in regulating renal hemodynamics, intestinal epithelial transport, adrenal aldosterone secretion, and uterine function Organism class: humanUniProt ID: P35408 ![]() Gene: PTGER4 Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
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| Enzymes |
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1. Cholesterol side-chain cleavage enzyme, mitochondrial Actions: substrateCatalyzes the side-chain cleavage reaction of cholesterol to pregnenolone UniProt ID: P05108![]() Gene: CYP11A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
Actions: inducer
Catalyzes the formation of aromatic C18 estrogens from C19 androgens UniProt ID: P11511![]() Gene: CYP19A1 ![]() 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. 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:
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| Transporters |
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1. Solute carrier family 22 member 2 Actions: inhibitorMediates tubular uptake of organic compounds from circulation. Mediates the influx of agmatine, dopamine, noradrenaline (norepinephrine), serotonin, choline, famotidine, ranitidine, histamin, creatinine, amantadine, memantine, acriflavine, 4-[4-(dimethylamino)-styryl]-N-methylpyridinium ASP, amiloride, metformin, N-1-methylnicotinamide (NMN), tetraethylammonium (TEA), 1-methyl-4-phenylpyridinium (MPP), cimetidine, cisplatin and oxaliplatin. Cisplatin may develop a nephrotoxic action. Transport of creatinine is inhibited by fluoroquinolones such as DX-619 and LVFX. This transporter is a major determinant of the anticancer activity of oxaliplatin and may contribute to antitumor specificity UniProt ID: O15244![]() Gene: SLC22A2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
2. Solute carrier family 22 member 1 Actions: inhibitorTranslocates a broad array of organic cations with various structures and molecular weights including the model compounds 1-methyl-4-phenylpyridinium (MPP), tetraethylammonium (TEA), N-1-methylnicotinamide (NMN), 4-(4-(dimethylamino)styryl)- N-methylpyridinium (ASP), the endogenous compounds choline, guanidine, histamine, epinephrine, adrenaline, noradrenaline and dopamine, and the drugs quinine, and metformin. The transport of organic cations is inhibited by a broad array of compounds like tetramethylammonium (TMA), cocaine, lidocaine, NMDA receptor antagonists, atropine, prazosin, cimetidine, TEA and NMN, guanidine, cimetidine, choline, procainamide, quinine, tetrabutylammonium, and tetrapentylammonium. Translocates organic cations in an electrogenic and pH-independent manner. Translocates organic cations across the plasma membrane in both directions. Transports the polyamines spermine and spermidine. Transports pramipexole across the basolateral membrane of the proximal tubular epithelial cells. The choline transport is activated by MMTS. Regulated by various intracellular signaling pathways including inhibition by protein kinase A activation, and endogenously activation by the calmodulin complex, the calmodulin- dependent kinase II and LCK tyrosine kinase UniProt ID: O15245![]() Gene: SLC22A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
3. Multidrug resistance-associated protein 5 Actions: inhibitorActs as a multispecific organic anion pump which can transport nucleotide analogs UniProt ID: O15440![]() Gene: ABCC5 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
4. Solute carrier family 22 member 6 Actions: substrate, inhibitorUniProt ID: Q4U2R8 ![]() Gene: hROAT1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
5. Solute carrier family 22 member 8 Actions: substrate, inhibitorPlays an important role in the excretion/detoxification of endogenous and exogenous organic anions, especially from the brain and kidney. Involved in the transport basolateral of steviol, fexofenadine. Transports benzylpenicillin (PCG), estrone- 3-sulfate (E1S), cimetidine (CMD), 2,4-dichloro-phenoxyacetate (2,4-D), p-amino-hippurate (PAH), acyclovir (ACV) and ochratoxin (OTA) UniProt ID: Q8TCC7![]() Gene: SLC22A8 ![]() Protein Sequence: FASTA SNPs: SNPJam Report ![]() References:
6. Solute carrier family 22 member 11 Actions: inhibitorMediates saturable uptake of estrone sulfate, dehydroepiandrosterone sulfate and related compounds UniProt ID: Q9NSA0![]() Gene: SLC22A11 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
7. Solute carrier family 22 member 7 Actions: substrate, inhibitorMediates sodium-independent multispecific organic anion transport. Transport of prostaglandin E2, prostaglandin F2, tetracycline, bumetanide, estrone sulfate, glutarate, dehydroepiandrosterone sulfate, allopurinol, 5-fluorouracil, paclitaxel, L-ascorbic acid, salicylate, ethotrexate, and alpha- ketoglutarate UniProt ID: Q9Y694![]() Gene: SLC22A7 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
8. Multidrug resistance-associated protein 4 Actions: substrateMay be an organic anion pump relevant to cellular detoxification UniProt ID: O15439![]() Gene: ABCC4 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
9. Solute carrier organic anion transporter family member 2B1 Actions: substrateMediates the Na(+)-independent transport of organic anions such as taurocholate, the prostaglandins PGD2, PGE1, PGE2, leukotriene C4, thromboxane B2 and iloprost UniProt ID: O94956![]() Gene: SLCO2B1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
10. Solute carrier organic anion transporter family member 1A2 Actions: substrateMediates the Na(+)-independent transport of organic anions such as sulfobromophthalein (BSP) and conjugated (taurocholate) and unconjugated (cholate) bile acids (By similarity) UniProt ID: P46721![]() Gene: SLCO1A2 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
11. Organic solute transporter subunit alpha Actions: substrateEssential component of the Ost-alpha/Ost-beta complex, a heterodimer that acts as the intestinal basolateral transporter responsible for bile acid export from enterocytes into portal blood. Efficiently transports the major species of bile acids UniProt ID: Q86UW1![]() Gene: OSTA ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
12. Organic solute transporter subunit beta Actions: substrateEssential component of the Ost-alpha/Ost-beta complex, a heterodimer that acts as the intestinal basolateral transporter responsible for bile acid export from enterocytes into portal blood. Efficiently transports the major species of bile acids UniProt ID: Q86UW2![]() Gene: OSTB ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
13. Solute carrier organic anion transporter family member 2A1 Actions: substrateMay mediate the release of newly synthesized prostaglandins from cells, the transepithelial transport of prostaglandins, and the clearance of prostaglandins from the circulation. Transports PGD2, as well as PGE1, PGE2 and PGF2A UniProt ID: Q92959![]() Gene: SLCO2A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
14. Solute carrier organic anion transporter family member 4A1 Actions: substrateMediates the Na(+)-independent transport of organic anions such as the thyroid hormones T3 (triiodo-L-thyronine), T4 (thyroxine) and rT3, and of estrone-3-sulfate and taurocholate UniProt ID: Q96BD0![]() Gene: SLCO4A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
15. Solute carrier organic anion transporter family member 1C1 Actions: substrateMediates the Na(+)-independent high affinity transport of organic anions such as the thyroid hormones thyroxine (T4) and rT3. Other potential substrates, such as triiodothyronine (T3), 17-beta-glucuronosyl estradiol, estrone-3-sulfate and sulfobromophthalein (BSP) are transported with much lower efficiency UniProt ID: Q9NYB5![]() Gene: SLCO1C1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
16. Solute carrier organic anion transporter family member 3A1 Actions: substrateMediates the Na(+)-independent transport of organic anions such as estrone-3-sulfate (PubMed:10873595). Mediates transport of prostaglandins (PG) E1 and E2, thyroxine (T4), deltorphin II, BQ-123 and vasopressin, but not DPDPE (a derivative of enkephalin lacking an N-terminal tyrosine residue), estrone-3- sulfate, taurocholate, digoxin nor DHEAS (PubMed:16971491) UniProt ID: Q9UIG8![]() Gene: SLCO3A1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
17. Solute carrier organic anion transporter family member 1B1 Actions: substrateMediates the Na(+)-independent transport of organic anions such as pravastatin, taurocholate, methotrexate, dehydroepiandrosterone sulfate, 17-beta-glucuronosyl estradiol, estrone sulfate, prostaglandin E2, thromboxane B2, leukotriene C3, leukotriene E4, thyroxine and triiodothyronine. May play an important role in the clearance of bile acids and organic anions from the liver UniProt ID: Q9Y6L6![]() Gene: SLCO1B1 ![]() Protein Sequence: FASTA Gene Sequence: FASTA SNPs: SNPJam Report ![]() References:
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