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Morphine-3-glucuronide
Names
IUPAC name
6α-Hydroxy-17-methyl-7,8-didehydro-4,5α-epoxymorphinan-3-yl β-D -glucopyranosiduronic acid
Systematic IUPAC name
(2S ,3S ,4S ,5R ,6S )-3,4,5-Trihydroxy-6-{[(4R ,4aR ,7S ,7aR ,12bS )-7-hydroxy-3-methyl-2,3,4,4a,7,7a-hexahydro-1H -4,12-methano[1]benzofuro[3,2-e ]isoquinolin-9-yl]oxy}oxane-2-carboxylic acid
Identifiers
ChEMBL
ChemSpider
MeSH
Morphine-3-glucuronide
UNII
InChI=1S/C23H27NO9/c1-24-7-6-23-10-3-4-12(25)20(23)32-18-13(5-2-9(14(18)23)8-11(10)24)31-22-17(28)15(26)16(27)19(33-22)21(29)30/h2-5,10-12,15-17,19-20,22,25-28H,6-8H2,1H3,(H,29,30)/t10-,11+,12-,15-,16-,17+,19-,20-,22+,23-/m0/s1
Y Key: WAEXKFONHRHFBZ-ZXDZBKESSA-N
Y
O=C(O)[C@H]6O[C@@H](Oc2c1O[C@H]5[C@@H](O)\C=C/[C@H]4[C@@H]3N(C)CC[C@@]45c1c(cc2)C3)[C@H](O)[C@@H](O)[C@@H]6O
Properties
C23 H27 NO9
Molar mass
461.462 g/mol
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
Chemical compound
Morphine-3-glucuronide is a metabolite of morphine produced by UGT2B7 .[ 1] It is not active as an opioid agonist ,[ 2] but does have some action as a convulsant , which does not appear to be mediated through opioid receptors ,[ 3] but rather through interaction with glycine and/or GABA receptors . As a polar compound, it has a limited ability to cross the blood–brain barrier , but kidney failure may lead to its accumulation and result in seizures . Probenecid and inhibitors of P-glycoprotein can enhance uptake of morphine-3-glucuronide and, to a lesser extent, morphine-6-glucuronide .[ 4] [page needed ] Reported side effects related to the accumulation of this metabolite include convulsions, agitation , hallucinations , hyperalgesia , and coma .
^ Coffman BL, Rios GR, King CD, Tephly TR (1 January 1997). "Human UGT2B7 catalyzes morphine glucuronidation" . Drug Metab. Dispos . 25 (1): 1–4. PMID 9010622 .
^ Vindenes V, Ripel A, Handal M, Boix F, Mørland J (July 2009). "Interactions between morphine and the morphine-glucuronides measured by conditioned place preference and locomotor activity". Pharmacology Biochemistry and Behavior . 93 (1): 1–9. doi :10.1016/j.pbb.2009.03.013 . PMID 19351545 . S2CID 5328449 .
^ Hemstapat K, Le L, Edwards SR, Smith MT (July 2009). "Comparative studies of the neuro-excitatory behavioural effects of morphine-3-glucuronide and dynorphin a(2-17) following spinal and supraspinal routes of administration". Pharmacology Biochemistry and Behavior . 93 (4): 498–505. doi :10.1016/j.pbb.2009.06.016 . PMID 19580825 . S2CID 207331030 .
^ Bertram G. Katzung; Susan B. Masters; Anthony J. Trevor. Basic & Clinical Pharmacology (11th ed.).
Receptor (ligands )
GlyR Tooltip Glycine receptor
Positive modulators: Alcohols (e.g., brometone , chlorobutanol (chloretone) , ethanol (alcohol) , tert -butanol (2M2P) , tribromoethanol , trichloroethanol , trifluoroethanol )
Alkylbenzene sulfonate
Anandamide
Barbiturates (e.g., pentobarbital , sodium thiopental )
Chlormethiazole
D12-116
Dihydropyridines (e.g., nicardipine )
Etomidate
Ginseng constituents (e.g., ginsenosides (e.g., ginsenoside-Rf ))
Glutamic acid (glutamate)
Ivermectin
Ketamine
Neuroactive steroids (e.g., alfaxolone , pregnenolone (eltanolone) , pregnenolone acetate , minaxolone , ORG-20599 )
Nitrous oxide
Penicillin G
Propofol
Tamoxifen
Tetrahydrocannabinol
Triclofos
Tropeines (e.g., atropine , bemesetron , cocaine , LY-278584 , tropisetron , zatosetron )
Volatiles /gases (e.g., chloral hydrate , chloroform , desflurane , diethyl ether (ether) , enflurane , halothane , isoflurane , methoxyflurane , sevoflurane , toluene , trichloroethane (methyl chloroform) , trichloroethylene )
Xenon
Zinc
Antagonists: 2-Aminostrychnine
2-Nitrostrychnine
4-Phenyl-4-formyl-N-methylpiperidine
αEMBTL
Bicuculline
Brucine
Cacotheline
Caffeine
Colchicine
Colubrine
Cyanotriphenylborate
Dendrobine
Diaboline
Endocannabinoids (e.g., 2-AG , anandamide (AEA) )
Gaboxadol (THIP)
Gelsemine
iso-THAZ
Isobutyric acid
Isonipecotic acid
Isostrychnine
Laudanosine
N-Methylbicuculline
N-Methylstrychnine
N,N-Dimethylmuscimol
Nipecotic acid
Pitrazepin
Pseudostrychnine
Quinolines (e.g., 4-hydroxyquinoline , 4-hydroxyquinoline-3-carboxylic acid , 5,7-CIQA , 7-CIQ , 7-TFQ , 7-TFQA )
RU-5135
Sinomenine
Strychnine
Thiocolchicoside
Tutin
Negative modulators: Amiloride
Benzodiazepines (e.g., bromazepam , clonazepam , diazepam , flunitrazepam , flurazepam )
Corymine
Cyanotriphenylborate
Daidzein
Dihydropyridines (e.g., nicardipine , nifedipine , nitrendipine )
Furosemide
Genistein
Ginkgo constituents (e.g., bilobalide , ginkgolides (e.g., ginkgolide A , ginkgolide B , ginkgolide C , ginkgolide J , ginkgolide M ))
Imipramine
NBQX
Neuroactive steroids (e.g., 3α-androsterone sulfate , 3β-androsterone sulfate , deoxycorticosterone , DHEA sulfate , pregnenolone sulfate , progesterone )
Opioids (e.g., codeine , dextromethorphan , dextrorphan , levomethadone , levorphanol , morphine , oripavine , pethidine , thebaine )
Picrotoxin (i.e., picrotin and picrotoxinin )
PMBA
Riluzole
Tropeines (e.g., bemesetron , LY-278584 , tropisetron , zatosetron )
Verapamil
Zinc
NMDAR Tooltip N-Methyl-D-aspartate receptor
Transporter (blockers )
GlyT1 Tooltip Glycine transporter 1 GlyT2 Tooltip Glycine transporter 2
Ionotropic
GABAA Tooltip γ-Aminobutyric acid A receptor
Positive modulators (abridged; see here for a full list): α-EMTBL
Alcohols (e.g., drinking alcohol , 2M2B )
Anabolic steroids
Avermectins (e.g., ivermectin )
Barbiturates (e.g., phenobarbital )
Benzodiazepines (e.g., diazepam )
Bromide compounds (e.g., potassium bromide )
Carbamates (e.g., meprobamate )
Carbamazepine
Chloralose
Chlormezanone
Clomethiazole
Dihydroergolines (e.g., ergoloid (dihydroergotoxine) )
Etazepine
Etifoxine
Fenamates (e.g., mefenamic acid )
Flavonoids (e.g., apigenin , hispidulin )
Fluoxetine
Flupirtine
Imidazoles (e.g., etomidate )
Kava constituents (e.g., kavain )
Lanthanum
Loreclezole
Monastrol
Neuroactive steroids (e.g., allopregnanolone , cholesterol , THDOC )
Niacin
Niacinamide
Nonbenzodiazepines (e.g., β-carbolines (e.g., abecarnil ), cyclopyrrolones (e.g., zopiclone ), imidazopyridines (e.g., zolpidem ), pyrazolopyrimidines (e.g., zaleplon ))
Norfluoxetine
Petrichloral
Phenols (e.g., propofol )
Phenytoin
Piperidinediones (e.g., glutethimide )
Propanidid
Pyrazolopyridines (e.g., etazolate )
Quinazolinones (e.g., methaqualone )
Retigabine (ezogabine)
ROD-188
Skullcap constituents (e.g., baicalin )
Stiripentol
Sulfonylalkanes (e.g., sulfonmethane (sulfonal) )
Topiramate
Valerian constituents (e.g., valerenic acid )
Volatiles /gases (e.g., chloral hydrate , chloroform , diethyl ether , paraldehyde , sevoflurane )
Negative modulators: 1,3M1B
3M2B
11-Ketoprogesterone
17-Phenylandrostenol
α3IA
α5IA (LS-193,268)
β-CCB
β-CCE
β-CCM
β-CCP
β-EMGBL
Anabolic steroids
Amiloride
Anisatin
β-Lactams (e.g., penicillins , cephalosporins , carbapenems )
Basmisanil
Bemegride
Bicyclic phosphates (TBPS , TBPO , IPTBO )
BIDN
Bilobalide
Bupropion
CHEB
Chlorophenylsilatrane
Cicutoxin
Cloflubicyne
Cyclothiazide
DHEA
DHEA-S
Dieldrin
(+)-DMBB
DMCM
DMPC
EBOB
Etbicyphat
FG-7142 (ZK-31906)
Fiproles (e.g., fipronil )
Flavonoids (e.g., amentoflavone , oroxylin A )
Flumazenil
Fluoroquinolones (e.g., ciprofloxacin )
Flurothyl
Furosemide
Golexanolone
Iomazenil (123 I)
IPTBO
Isopregnanolone (sepranolone)
L-655,708
Laudanosine
Lindane
MaxiPost
Morphine
Morphine-3-glucuronide
MRK-016
Naloxone
Naltrexone
Nicardipine
Nonsteroidal antiandrogens (e.g., apalutamide , bicalutamide , enzalutamide , flutamide , nilutamide )
Oenanthotoxin
Pentylenetetrazol (pentetrazol)
Phenylsilatrane
Picrotoxin (i.e., picrotin , picrotoxinin and dihydropicrotoxinin )
Pregnenolone sulfate
Propybicyphat
PWZ-029
Radequinil
Ro 15-4513
Ro 19-4603
RO4882224
RO4938581
Sarmazenil
SCS
Suritozole
TB-21007
TBOB
TBPS
TCS-1105
Terbequinil
TETS
Thujone
U-93631
Zinc
ZK-93426
GABAA -ρ Tooltip γ-Aminobutyric acid A-rho receptor
Metabotropic
GABAB Tooltip γ-Aminobutyric acid B receptor