Association of SLC1A2 and SLC17A7 polymorphisms with major depressive disorder in a Thai population

THAWEETHEE, B., SUTTAJIT, S., THANOI, S., DALTON, Caroline, REYNOLDS, G.P. and NUDMAMUD-THANOI, S. (2019). Association of SLC1A2 and SLC17A7 polymorphisms with major depressive disorder in a Thai population. Asian Biomedicine, 12 (3), 131-138.

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[1875855X - Asian Biomedicine] Association of SLC1A2 and SLC17A7 polymorphisms with major depressive disorder in a Thai population.pdf - Published Version
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Link to published version:: https://doi.org/10.1515/abm-2019-0012

Abstract

© 2018B. Thaweethee et al., published by Sciendo. Major depressive disorder (MDD) is a common psychiatric disorder with high prevalence and high risk of suicide. Genetic variation of glutamate transporters may associate with MDD and suicide attempt. To evaluate polymorphisms of excitatory amino acid transporter 2 gene (SLC1A2; rs752949, rs1885343, rs4755404, and rs4354668) and vesicular glutamate transporter 1 gene (SLC17A7; rs1043558, rs2946848, and rs11669017) in patients with MDD with and without suicide attempt, and determine the association of these polymorphisms with age of onset and severity of MDD. DNA was extracted from blood taken from patients with MDD (n = 100; including nonsuicidal [n = 50] and suicidal [n = 50] subgroups) and controls (n = 100). Genotyping was conducted using TaqMan single-nucleotide polymorphism (SNP) genotyping. We found a significant difference in SLC17A7 rs2946848 genotype distribution between patients in the MDD and control groups (P = 0.016). Moreover, significant differences in SLC1A2 rs752949 (P = 0.022) and SLC17A7 rs2946848 (P = 0.026) genotype distributions were observed between patients in the nonsuicidal MDD and suicidal MDD groups. SLC1A2 rs1885343 A allele carriers showed significantly lower age of onset than GG genotype (P = 0.049). Furthermore, the severity of MDD indicated by the Hamilton Depression Rating Scale (HDRS) score of G allele carriers of SLC1A2 rs4755404 was significantly greater than the CC genotype (P = 0.013). Polymorphisms of SLC1A2 and SLC17A7 may contribute to the risk of MDD and/or suicide attempt. An association of an SLC1A2 polymorphism with the severity of MDD was apparent.

Item Type: Article
Identification Number: https://doi.org/10.1515/abm-2019-0012
Page Range: 131-138
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 29 Oct 2019 11:40
Last Modified: 29 Oct 2019 11:45
URI: http://shura.shu.ac.uk/id/eprint/25293

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