Blocking a Protein That Breaks Down Anandamide Prevents Stress-Induced Anxiety and Depression in Rats
FABP5 inhibition prevented anxiety and depression in chronically stressed rats while boosting hippocampal neurogenesis.
Quick Facts
What This Study Found
FABP5 inhibition prevented stress-induced anxiety and depression. Altered IGF-1, CB2, GPR55 transcription and Erk1/2, Akt, p70S6K signaling. Preserved hippocampal neurogenesis.
Key Numbers
Anxiety and depression prevented. Multiple signaling pathways altered. Neurogenesis preserved.
How They Did This
Chronic stress rodent model. Systemic FABP5 inhibitor. Behavioral tests, molecular analysis, neurogenesis assessment.
Why This Research Matters
Boosting endogenous endocannabinoids by preventing breakdown could treat mood disorders without THC's psychoactive effects.
The Bigger Picture
FABP5 inhibition enhances what the brain naturally produces rather than overriding it — a softer approach.
What This Study Doesn't Tell Us
Animal model only. FABP5 has roles beyond ECS. No comparison with antidepressants.
Questions This Raises
- ?Could FABP5 inhibitors become a new antidepressant class?
- ?Would this help SSRI non-responders?
Trust & Context
- Key Stat:
- Evidence Grade:
- Comprehensive preclinical study but animal-only.
- Study Age:
- 2025 preclinical study.
- Original Title:
- Inhibition of fatty acid binding protein 5 prevents stress-induced anxiogenic and depressive-like symptoms through modulation of hippocampal neurogenesis, cannabinoid and neurotrophic signaling in the limbic circuitry.
- Published In:
- Neurobiology of disease, 217, 107201 (2025)
- Authors:
- Uzuneser, Taygun C(4), Jones, Matthew J(2), Sarikahya, Mohammed H(8), Gummerson, Dana, Whitehead, Shawn N, Hardy, Daniel B, Rushlow, Walter J, Laviolette, Steven R
- Database ID:
- RTHC-07845
Evidence Hierarchy
Frequently Asked Questions
Can boosting natural cannabinoids treat anxiety?
Blocking FABP5 prevented anxiety and depression in stressed rats by increasing natural endocannabinoid levels.
What is FABP5?
A protein that carries anandamide to degradation. Inhibiting it boosts natural endocannabinoid levels.
Read More on RethinkTHC
Cite This Study
https://rethinkthc.com/research/RTHC-07845APA
Uzuneser, Taygun C; Jones, Matthew J; Sarikahya, Mohammed H; Gummerson, Dana; Whitehead, Shawn N; Hardy, Daniel B; Rushlow, Walter J; Laviolette, Steven R. (2025). Inhibition of fatty acid binding protein 5 prevents stress-induced anxiogenic and depressive-like symptoms through modulation of hippocampal neurogenesis, cannabinoid and neurotrophic signaling in the limbic circuitry.. Neurobiology of disease, 217, 107201. https://doi.org/10.1016/j.nbd.2025.107201
MLA
Uzuneser, Taygun C, et al. "Inhibition of fatty acid binding protein 5 prevents stress-induced anxiogenic and depressive-like symptoms through modulation of hippocampal neurogenesis, cannabinoid and neurotrophic signaling in the limbic circuitry.." Neurobiology of disease, 2025. https://doi.org/10.1016/j.nbd.2025.107201
RethinkTHC
RethinkTHC Research Database. "Inhibition of fatty acid binding protein 5 prevents stress-i..." RTHC-07845. Retrieved from https://rethinkthc.com/research/uzuneser-2025-inhibition-of-fatty-acid
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.