Exploring the Association between Serum BDNF and Attempted Suicide.
Rebecca B Eisen1, Stefan Perera2,3, Monica Bawor1,4
1MiNDS Neuroscience Graduate Program, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada.
Scientific Reports
|April 29, 2016
Summary
This study found no significant link between serum Brain-Derived Neurotrophic Factor (BDNF) levels and suicide attempts in adults. Further research in larger populations is needed to confirm these findings on BDNF and suicidal behavior.
Area of Science:
- Neuroscience
- Psychiatry
- Public Health
Background:
- Suicide is a major global health issue.
- Brain-Derived Neurotrophic Factor (BDNF) is crucial for neural function and has been linked to psychiatric conditions.
- Previous research suggests a potential role for BDNF in suicidal behavior.
Purpose of the Study:
- To investigate the association between serum BDNF levels and attempted suicide.
- To determine if BDNF levels can serve as a biomarker for suicide attempts.
Main Methods:
- A case-control study design was employed with 281 participants.
- Cases (suicide attempters) were matched with psychiatric and community controls.
- Serum BDNF levels were measured and analyzed using linear regression, adjusting for covariates.
Main Results:
- No statistically significant association was found between serum BDNF levels and attempted suicide (P = 0.82).
- The regression model indicated no relationship between the key exposure variable (attempted suicide) and the dependent variable (BDNF level).
Conclusions:
- The study's findings do not support a significant association between serum BDNF levels and attempted suicide in the studied cohort.
- Replication in larger, diverse populations is recommended to validate these results and explore potential nuances in the BDNF-suicide attempt relationship.


