Chapter title |
Role of Endocannabinoid Signaling in Anxiety and Depression
|
---|---|
Chapter number | 14 |
Book title |
Behavioral Neurobiology of the Endocannabinoid System
|
Published in |
Current topics in behavioral neurosciences, January 2009
|
DOI | 10.1007/978-3-540-88955-7_14 |
Pubmed ID | |
Book ISBNs |
978-3-54-088954-0, 978-3-54-088955-7
|
Authors |
Patel S, Hillard CJ, Sachin Patel, Cecilia J. Hillard, Patel, Sachin, Hillard, Cecilia J. |
Abstract |
Cannabinoid receptors and their endogenous ligands are located throughout the limbic, or "emotional," brain, where they modulate synaptic neurotransmission. Converging preclinical and clinical data suggest a role for endogenous cannabinoid signaling in the modulation of anxiety and depression. Augmentation of endocannabinoid signaling (ECS) has anxiolytic effects, whereas blockade or genetic deletion of CB₁ receptors has anxiogenic properties. Augmentation of ECS also appears to have anti-depressant actions, and in some assays blockade and genetic deletion of CB₁ receptors produces depressive phenotypes. These data provide evidence that ECS serves in an anxiolytic, and possibly anti-depressant, role. These data suggest novel approaches to treatment of affective disorders which could include enhancement of endogenous cannabinoid signaling, and warrant cautious use of CB₁ receptor antagonists in patients with pre-existing affective disorders. |
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