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The TRKB rs2289656 genetic polymorphism is associated with acute suicide attempts in depressed patients: A transversal case control study

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Listed:
  • Eric Deflesselle
  • Romain Colle
  • Laurent Rigal
  • Denis J David
  • Albane Vievard
  • Séverine Martin
  • Laurent Becquemont
  • Céline Verstuyft
  • Emmanuelle Corruble

Abstract

Introduction: Suicide Attempts (SA) are the main complications of Major Depressive Episodes (MDE) and are difficult to predict. Suicide is associated with the expression of Receptor Tyrosin-Kinase B (TRKB), the receptor of the Brain Derived Neurotrophic Factor (BDNF) involved in MDE. However, the impact of its genetic polymorphisms as predictive factors of SA should be clarified. Our main aim is to assess the association of 8 TRKB genetic polymorphisms and SA in depressed patients. Material and methods: In 624 patients currently experiencing an MDE in the context of Major Depressive Disorder (MDD) (METADAP study), we assessed the association between 8 TRKB genetic polymorphisms (rs1778933, rs1187352, rs2289658, rs2289657, rs2289656, rs3824519, rs56142442 and rs1439050) and acute (previous month) or past (older than one month) SA. Bonferroni corrections and multivariate analysis adjusted for age, sex, level of education, marital status, Hamilton Depression Rating Scale score and previous MDE were used. Results: The rs2289656 was associated with acute SA (CC = 28.5%, CT = 15.0% and TT = 11.5%, p = 0.0008). However, the other SNPs were not. Patients with the CC genotype had a higher rate of acute SA (28.5%) as compared to T carriers (14.6%) (adjusted OR = 2.2, CI95% [1.4; 3.5], p

Suggested Citation

  • Eric Deflesselle & Romain Colle & Laurent Rigal & Denis J David & Albane Vievard & Séverine Martin & Laurent Becquemont & Céline Verstuyft & Emmanuelle Corruble, 2018. "The TRKB rs2289656 genetic polymorphism is associated with acute suicide attempts in depressed patients: A transversal case control study," PLOS ONE, Public Library of Science, vol. 13(10), pages 1-12, October.
    • Handle: RePEc:plo:pone00:0205648
    DOI: 10.1371/journal.pone.0205648
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