Abstract
Endocannabinoids (ECs) are small lipid mediators that play a critical role in energy metabolism. Human studies have shown that the EC tone in peripheral tissues positively correlates with increased adiposity. Furthermore, pharmacological inhibition of EC signaling results in weight loss in humans. However, the mechanisms that cause the dysregulation of the EC system in obesity are not well-understood. Since the clinical utility of currently available EC blockers is severely limited due to their side effects like depression and suicidal ideation that are caused by central effects, it is important to delineate the role of central and peripheral effects of EC signaling in regulating glucose and lipid metabolism.
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Abbreviations
- 2-AG:
-
2-arachidonoylglycerol
- ACC:
-
acetyl-CoA carboxylase
- AEA:
-
anandamide
- CNS:
-
central nervous system
- DM2:
-
type 2 diabetes mellitus
- ECs:
-
endocannabinoids
- FAAH:
-
fatty acid amide hydrolase
- FAS:
-
fatty acid synthase
- GLUT4:
-
glucose transporter 4
- HSL:
-
hormone-sensitive lipase
- ICV:
-
intracerebroventricular
- KO:
-
knock-out
- LCB1:
-
hepatocyte-specific CB1 receptor knock-out
- LPL:
-
lipoprotein lipase
- MBH:
-
mediobasal hypothalamus
- NE:
-
norepinephrine
- Pepck:
-
phosphoenolpyruvate kinase
- PPARγ:
-
peroxisome proliferator-activated receptor γ
- Srebp1c:
-
sterol regulatory element-binding protein-1c
- UCP2:
-
uncoupling protein 2
- WAT:
-
white adipose tissue
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Acknowledgments
This work was supported by DK074873 to CB from the National Institutes of Health and a European Foundation for the Study of Diabetes grant to TS. We thank George Kunos for critically reading the manuscript. CB is the recipient of a Junior Faculty Award from the American Diabetes Association.
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The authors declare that no competing financial interests exist.
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Scherer, T., Buettner, C. The dysregulation of the endocannabinoid system in diabesity—a tricky problem. J Mol Med 87, 663–668 (2009). https://doi.org/10.1007/s00109-009-0459-y
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DOI: https://doi.org/10.1007/s00109-009-0459-y