Expression of endocannabinoid synthetic enzyme mRNAs is correlated with cannabinoid 1 receptor mRNA in the mouse brain

Shoichiro Tsuyama, Daichi Oikawa, Yasuko Yamasaki, Sayuri Takagi, Hironori Ando, Mitsuhiro Furuse

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The two principal endocannabinoids, N-arachidonoyl-ethanolamine (anandamide) and 2-arachidonoyl-glycerol (2-AG), are synthesized from arachidonic acid (AA) and AA is released as they are degraded. Therefore, the function of endocannabinoids is closely linked to AA, but the exact relationships have not been clarified, especially with respect to endocannabinoid metabolism. In the present study, oil rich in AA was administered (0, 100, 200 and 300 μl) orally to male mice for 7 days. Phospholipase D (PLD), fatty acid amide hydrolase (FAAH), diacyl-glycerol lipase (DAGL), monoacyl-glycerol lipase (MAGL) and cannabinoid 1 (CB1) receptor mRNA expressions were determined in the whole brain. No changes in the expression of any gene investigated were detected following AA treatment. However, it was demonstrated that the expression of the CB1 receptor was positively correlated with PLD, FAAH and DAGL expression. This suggests that expression of the CB1 receptor is closely coordinated with that of the enzymes which synthesize its ligands.

Original languageEnglish
Pages (from-to)45-50
Number of pages6
JournalNutritional Neuroscience
Volume10
Issue number1-2
DOIs
Publication statusPublished - Feb 1 2007

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Neuroscience(all)
  • Nutrition and Dietetics

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