期刊
BEST PRACTICE & RESEARCH CLINICAL ENDOCRINOLOGY & METABOLISM
卷 23, 期 1, 页码 33-49出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.beem.2008.10.003
关键词
acylethanolamides; anandamide; oleoylethanolamide; palmitoylethanolamide; appetite; feeding behaviour; intestine
资金
- PRIN
Acylethanolamides (AEs) are a group of lipids occurring in both plants and animals. The best-studied AEs are the endocannabinoid anandamide (AEA), the anti-inflammatory compound palmitoylethanolamide (PEA), and the potent anorexigenic molecule oleoylethanolamide (OEA). AEs are biosynthesized in the gastrointestinal tract, and their levels may change in response to noxious stimuli, food deprivation or diet-induced obesity. The biological actions of AEs within the gut are not limited to the modulation of food intake and energy balance. For example, AEs exert potential beneficial effects in the regulation of intestinal motility, secretion, inflammation and cellular proliferation. Molecular targets of AEs, which have been identified in the gastrointestinal tract, include cannabinoid CB1 and CB2 receptors (activated by AEA), transient receptor potential vanilloid type I (TRPV1, activated by AEA and OEA), the nuclear receptor peroxisome proliferators-activated receptor-alpha (PPAR-alpha, activated by OEA and, to a less extent, by PEA), and the orphan G-coupled receptors GPR119 (activated by OEA) and GPR55 (activated by PEA and, with lower potency, by AEA and OEA). Modulation of AE levels in the gut may provide new pharmacological strategies not only for the treatment of feeding disorders but also for the prevention or cure of widespread intestinal diseases such as inflammatory bowel disease and colon cancer. (C) 2008 Elsevier Ltd. All rights reserved.
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