Investigation of possible epistatic interactions between GRIA2 and GRIA4 variants on clinical outcomes in patients with major depressive disorder

Alberto Chiesa, Loredana Lia, Claudia Lia, Soo Jung Lee, Changsu Han, Ashwin A. Patkar, Chi Un Pae, Alessandro Serretti

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Objectives: To investigate the effects of glutamate receptor, ionotropic, alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionate (AMPA) 2 (GRIA2) rs4260586 and glutamate receptor, ionotropic, AMPA 4 (GRIA4) rs10736648 single nucleotide polymorphisms (SNPs) on response to antidepressants in Korean patients with major depressive disorder (MDD), and to ascertain whether epistatic interactions might exist between these SNPs. Methods: In this retrospective analysis, patients were assessed at hospital admission and discharge using the Montgomery-Åsberg depression rating scale (MADRS). A multiple regression model was employed to investigate the effects of the two SNP variants on clinical/sociodemographic outcomes relating to MDD. Results: Out of 145 Korean patients, the presence of both GRIA2 rs4260586 and GRIA4 rs10736648 polymorphisms had no significant association with MADRS improvement scores or other clinical/sociodemographic variables. Conclusions: These data potentially suggest a lack of epistatic interaction between GRIA2 and GRIA4 variants, regarding clinical outcomes in patients with MDD. The study was limited by small sample size, use of different antidepressants and incomplete coverage of genes under investigation.

Original languageEnglish
Pages (from-to)809-815
Number of pages7
JournalJournal of International Medical Research
Volume41
Issue number3
DOIs
Publication statusPublished - 2013 Jan 1

Fingerprint

Major Depressive Disorder
Polymorphism
Single Nucleotide Polymorphism
Nucleotides
Antidepressive Agents
Isoxazoles
Ionotropic Glutamate Receptors
Propionates
Sample Size
Genes
Depression
AMPA 4 glutamate receptor ionotropic

Keywords

  • AMPA 2 (GRIA2)
  • AMPA 4 (GRIA4)
  • epistasis
  • Glutamate receptor
  • glutamate receptor
  • glutamatergic
  • ionotropic
  • major depression
  • single nucleotide polymorphism

ASJC Scopus subject areas

  • Medicine(all)
  • Biochemistry
  • Cell Biology
  • Biochemistry, medical

Cite this

Investigation of possible epistatic interactions between GRIA2 and GRIA4 variants on clinical outcomes in patients with major depressive disorder. / Chiesa, Alberto; Lia, Loredana; Lia, Claudia; Lee, Soo Jung; Han, Changsu; Patkar, Ashwin A.; Pae, Chi Un; Serretti, Alessandro.

In: Journal of International Medical Research, Vol. 41, No. 3, 01.01.2013, p. 809-815.

Research output: Contribution to journalArticle

Chiesa, Alberto ; Lia, Loredana ; Lia, Claudia ; Lee, Soo Jung ; Han, Changsu ; Patkar, Ashwin A. ; Pae, Chi Un ; Serretti, Alessandro. / Investigation of possible epistatic interactions between GRIA2 and GRIA4 variants on clinical outcomes in patients with major depressive disorder. In: Journal of International Medical Research. 2013 ; Vol. 41, No. 3. pp. 809-815.
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