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Related Experiment Video

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Decrease in brain-derived neurotrophic factor at plasma level but not in serum concentrations in suicide behavior:

Marisol Salas-Magaña1, Carlos A Tovilla-Zárate2, Thelma B González-Castro3

  • 1División Académica de Ciencias de la Salud Universidad Juárez Autónoma de Tabasco Villahermosa Tabasco México.

Brain and Behavior
|June 23, 2017
PubMed
Summary
This summary is machine-generated.

Plasma brain-derived neurotrophic factor (BDNF) levels were lower in individuals with suicide behavior. Serum BDNF showed no significant difference, suggesting plasma BDNF may be a potential biomarker for suicide risk.

Keywords:
Brain‐derived neurotrophic factorplasmaserumsuicide

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Psychiatry

Background:

  • Suicide is a significant global health issue.
  • Brain-derived neurotrophic factor (BDNF) is implicated in suicidal behavior.
  • BDNF is being investigated as a potential biomarker for suicide risk.

Purpose of the Study:

  • To conduct a meta-analysis assessing differences in BDNF levels in blood plasma and serum.
  • To compare BDNF concentrations in individuals with suicide behavior versus control groups.

Main Methods:

  • Systematic review and meta-analysis of nine case-control studies.
  • BDNF levels were analyzed from data on plasma and serum samples.
  • Studies were identified through searches in PubMed, EBSCO, and ScienceDirect databases.

Main Results:

  • A statistically significant decrease in plasma BDNF levels was observed in individuals with suicide behavior (d = -0.73).
  • No significant differences in serum BDNF concentrations were found between cases and controls (d = 0.09, p(Q) = .92).

Conclusions:

  • Plasma BDNF may serve as a potential biomarker for suicide behavior.
  • Further research with a larger number of studies is needed to confirm BDNF's role as a biomarker.