ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
An Amygdala-hippocampus Circuit for Endocannabinoid Modulation of Anxiety Avoidance.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed.
- Cannabinoid CB1 Receptor in Nociceptors Mediates Postoperative Analgesia via ASIC3 Inhibition.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Medium-intensity aerobic exercise can relieve mice anxiety by activating cannabinoid type 1 receptors on medial prefrontal cortex GABAergic neurons.Translational psychiatry · 2026Article
- An Amygdala-hippocampus Circuit for Endocannabinoid Modulation of Anxiety Avoidance.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Endocannabinoids Block Headache and Anxiety Comorbidity via Two-Pronged Anterior Insular Projections.Research (Washington, D.C.) · 2025Article
- Article
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Authors and funding
10 authors.
Funding
Abstract
Recent studies indicate a therapeutic potential of increased brain endocannabinoids (eCBs) in anxiety disorders, but the underlying brain circuits are still elusive. Here, it is observed that optogenetic inhibition and activation of anterior basolateral amygdala (aBLA) - ventral hippocampus (vHPC) glutamatergic projections respectively decrease and increase anxiety avoidance behaviors. Then, the contributions of eCBs in aBLA-vHPC projections to anxiety avoidance are investigated by employing three newly developed synapse- and circuit-specific eCB-targeted viral strategies to achieve real-time monitoring of eCB release, in vivo optogenetic activation of CB1 receptors, and CRISPR-Cas9 gene knockdown of eCB biosynthesis enzymes. Prominent eCB release are surprisingly found at aBLA-vHPC glutamatergic synapses during anxiety avoidance, suggesting inhibitory effects of increased eCBs in aBLA-vHPC projections on anxiety avoidance. This idea is further supported by findings that specific activation of CB1 receptors at aBLA-vHPC synapses inhibit presynaptic glutamate release and reduce anxiety avoidance. In contrast, specific knockdown of eCB biosynthesis enzymes at aBLA-vHPC synapses reduce eCB levels at aBLA-vHPC glutamatergic synapses and increase anxiety avoidance. Additionally, inhibition of aBLA-innervated vHPC glutamatergic neurons alleviates anxiety avoidance. Together, these findings reveal counteracting effects of increased eCB signaling in aBLA-vHPC circuits on anxiety avoidance.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.