Objective: The objective was to measure endocannabinoid (eCB) ligands and non-cannabinoid N-acylethanolamine (NAE) molecules in plasma from individuals with burning mouth syndrome (BMS) and to determine whether plasma eCB/NAE levels correlated with pain, inflammation and depressive symptomatology in this cohort. Study Design: Plasma content of the eCBs, anandamide (AEA) and 2-arachidonoyl-glycerol (2-AG), and the NAE molecules, palmitoylethanolamide (PEA) and oleoylethanolamide (OEA) were assessed in healthy subjects (n = 8) and in a cohort of newly diagnosed BMS patients (n = 9) using liquid chromatography-tandem mass spectrometry. Plasma eCBs and NAE profiles were correlated with self-rated oral cavity pain intensities, depressive symptomatology and plasma IL-8 levels. Results: Plasma levels of PEA, but not OEA, AEA or 2-AG, were significantly elevated in patients with BMS, when compared to plasma from healthy individuals. Plasma PEA, OEA and AEA levels correlated with depressive symptomatology. Conclusions: This is the first evidence to indicate that circulating eCB/NAE levels are altered in BMS.
CITATION STYLE
Barry, A., O’Halloran, K. D., McKenna, J. P., McCreary, C., Harhen, B., Kerr, D. M., … Downer, E. J. (2018). Plasma N-acylethanolamine and endocannabinoid levels in burning mouth syndrome: Potential role in disease pathogenesis. Journal of Oral Pathology and Medicine, 47(4), 440–442. https://doi.org/10.1111/jop.12692
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