Morphine-3-glucuronide

Morphine-3-glucuronide
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.150.265
MeSH Morphine-3-glucuronide
Properties
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 renal 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.

See also

References

  1. 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.
  2. 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.
  3. 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.
  4. Bertram G. Katzung; Susan B. Masters; Anthony J. Trevor. Basic & Clinical Pharmacology (11th ed.).


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