Related Experiment Video
Updated: Jul 12, 2025
04:20
Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety
Published on: November 11, 2022
4.3K
Cannabidiol Modulates Emotional Function and Brain-Derived Neurotrophic Factor Expression in Middle-Aged Female Rats
Nadya Saad1,2, Danielle Raviv1,2, Tomer Mizrachi Zer-Aviv1,2
1Department of Psychology, School of Psychological Sciences, University of Haifa, Haifa 3498838, Israel.
International Journal of Molecular Sciences
|October 28, 2023
Summary
Cannabidiol (CBD) may improve well-being in aging female rats by reducing stress and enhancing cognitive function. This study found CBD restored antidepressant and anxiolytic behaviors, potentially via brain-derived neurotrophic factor (BDNF) pathways.
Area of Science:
- Neuroscience
- Pharmacology
- Aging Research
Background:
- Aging is linked to cognitive and emotional decline.
- Cannabidiol (CBD) shows potential in reducing stress and anxiety.
- Brain-derived neurotrophic factor (BDNF) plays a role in neuronal plasticity and function.
Purpose of the Study:
- To investigate the therapeutic effects of CBD on middle-aged female rats exposed to social isolation (SI).
- To explore the involvement of BDNF in CBD's effects on behavior and cognition.
- To assess CBD's potential to mitigate age-related cognitive and emotional changes.
Main Methods:
- Thirteen-month-old female rats were group-housed or socially isolated.
- Animals were treated with either vehicle or CBD (10 mg/kg).
- Behavioral tests (forced swim, open field, spatial training) and BDNF expression analysis in NAc, mPFC, and BLA were performed.
Main Results:
- CBD treatment reversed social isolation-induced immobility and normalized BDNF levels in the nucleus accumbens (NAc).
- CBD enhanced anxiety-reducing behaviors (open field test) and improved spatial learning.
- CBD increased BDNF expression in the medial prefrontal cortex (mPFC) and basolateral amygdala (BLA), correlating with behavioral improvements.
Conclusions:
- CBD demonstrates therapeutic potential for improving emotional and cognitive well-being in aging female rats.
- CBD may counteract negative effects of social isolation and aging, possibly through modulation of BDNF.
- Results suggest CBD could be a beneficial agent for age-related cognitive decline and emotional dysregulation.
