Activin in the Brain and Its Role in Anxiety and Neurogenesis
Author Information
Author(s): Ageta Hiroshi, Murayama Akiko, Migishima Rika, Kida Satoshi, Tsuchida Kunihiro, Yokoyama Minesuke, Inokuchi Kaoru
Primary Institution: Mitsubishi Kagaku Institute of Life Sciences (MITILS), Machida, Tokyo, Japan
Hypothesis
Activin modulates anxiety-related behavior and adult neurogenesis in the brain.
Conclusion
The level of activin in the adult brain bi-directionally influences anxiety-related behavior and affects the survival of newly formed neurons.
Supporting Evidence
- FSM mice exhibited enhanced anxiety compared to wild-type littermates.
- ACM4 mice showed reduced anxiety.
- Survival of newly formed neurons in the hippocampus was significantly decreased in FSM mice.
- The level of activin in the brain influences locomotor activity.
- ACM4 mice spent significantly more time in the open arms of the elevated plus-maze.
Takeaway
This study found that a substance called activin in the brain can change how anxious mice feel and how new brain cells grow.
Methodology
The study used transgenic mice to analyze the effects of activin and follistatin on anxiety-related behavior and neurogenesis.
Potential Biases
Potential bias in behavioral assessments due to the use of transgenic models.
Limitations
The study primarily focused on transgenic mice, which may not fully represent human conditions.
Participant Demographics
Transgenic mice were used, specifically ACM4 and FSM lines.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website