Abstract
The glucocorticoid receptor (GR) and mineralocorticoid receptor (MR) play important roles in the hypothalamic-pituitary-adrenal axis and stress regulation. The current study aimed to address the genetic association and gene-gene interactions between GR and MR gene polymorphisms and aggressive behavior. A haplotype-based, case-control study was designed to examine the association between human MR and GR genes and aggressive behaviors, including robbery and intentional interpersonal injury, in a central south Chinese Han population. Eight well-studied polymorphisms of the MR gene (rs2070951, rs2871, rs5522, and rs5525) and the GR gene (rs10482605, rs6190, rs1800445, and rs6196) were genotyped using SNaPshot. The MR and GR gene polymorphisms were not associated with aggressive behaviors, including in robbery and intentional interpersonal injury subgroups (p > 0.05). The frequency of haplotype TAAT of GR was significantly higher in the control group than that in the case group (p = 0.004, padj = 0.02). In addition, a two-way interaction between GR rs1800445 and MR rs2070951 and aggressive behavior was also found (p = 0.01). The haplotype TAAT of GR might be a protective factor against aggressive behavior, while gene-gene interactions between GR rs1800445 and MR rs2070951 might be a risk factor for aggressive behavior in the Central South Chinese Han population.
Published Version
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