Morphine-3-glucuronide

Morphine-3-glucuronide
Identifiers
CAS Number	20290-09-9 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1329 ;
ChemSpider	4588593 ;
MeSH	Morphine-3-glucuronide
PubChem CID	5484731;
UNII	O27Z9CH39A ;
CompTox Dashboard (EPA)	DTXSID80174157 ;
	InChI 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 Key: WAEXKFONHRHFBZ-ZXDZBKESSA-N ; InChI=1/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 Key: WAEXKFONHRHFBZ-ZXDZBKESBI;
	SMILES 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
Chemical formula	C23H27NO9
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).
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	Infobox references

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] Reported side effects related to the accumulation of this metabolite include convulsions, agitation, hallucinations, hyperalgesia, and coma.

References

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.
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.
Bertram G. Katzung; Susan B. Masters; Anthony J. Trevor. Basic & Clinical Pharmacology (11th ed.).

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