Overlap between the ligand recognition properties of the anandamide transporter and the VR1 vanilloid receptor: inhibitors of anandamide uptake with negligible capsaicin-like activity

L De Petrocellis, T Bisogno, J B Davis, R G Pertwee, V Di Marzo

Research output: Contribution to journalArticle

309 Citations (Scopus)

Abstract

Some synthetic agonists of the VR1 vanilloid (capsaicin) receptor also inhibit the facilitated transport into cells of the endogenous cannabinoid anandamide (arachidonoylethanolamide, AEA). Here we tested several AEA derivatives containing various derivatized phenyl groups or different alkyl chains as either inhibitors of the AEA membrane transporter (AMT) in intact cells or functional agonists of the VR1 vanilloid receptor in HEK cells transfected with the human VR1. We found that four known AMT inhibitors, AM404, arvanil, olvanil and linvanil, activate VR1 receptors at concentrations 400-10 000-fold lo,ver than those necessary to inhibit the AMT. However, me also found three novel AEA derivatives, named VDM11, VDM12 and VDM13, which inhibit the AMT as potently as AM404 but exhibit little or no agonist activity at hVR1. These compounds are weak inhibitors of AEA enzymatic hydrolysis and poor CB1/CB2 receptor ligands. We show for the first time that, despite the overlap between the chemical moieties of AMT inhibitors and VR1 agonists, selective inhibitors of AEA uptake that do not activate VR1 (e.g. VDM11) can be developed. (C) 2000 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)52-56
Number of pages5
JournalFEBS Letters
Volume483
Publication statusPublished - 2000

Keywords

  • capsaicin
  • vanilloid
  • anandamide
  • cannabinoid
  • calcium
  • transporter
  • ENDOGENOUS CANNABINOID ANANDAMIDE
  • GANGLION NEURONS
  • ANALGESIC AGENTS
  • AGONIST ACTIVITY
  • SENSORY NEURONS
  • CB2 RECEPTORS
  • ANALOGS
  • DEGRADATION
  • CALCIUM
  • REGION

Cite this

Overlap between the ligand recognition properties of the anandamide transporter and the VR1 vanilloid receptor: inhibitors of anandamide uptake with negligible capsaicin-like activity. / De Petrocellis, L ; Bisogno, T ; Davis, J B ; Pertwee, R G ; Di Marzo, V .

In: FEBS Letters, Vol. 483, 2000, p. 52-56.

Research output: Contribution to journalArticle

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AU - Di Marzo, V

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