Serotonin receptor 2C (HTR2C) has been postulated as being involved in the etiology or pathophysiology of mental disorders such as bipolar disorder, major depression and schizophrenia.
Of the six HTR2C SNPs, only the T allele of the -759C/T SNP showed borderline significant associations with higher body mass index (BMI) (0.23 kg m(-2); (95% confidence interval (CI): 0.01-0.44); P=0.051) and increased risk of lifetime major depressive disorder (MDD) (Odds ratio (OR): 1.13 (95% CI: 1.01-1.22), P=0.02).
mRNA editing was assessed in prefrontal cortex of 24 MDD(Suic), 21 MDD(NoSuic), and 56 NC using next generation sequencing. mRNA expression of 5-HT(2C)R and editing enzymes (ADAR1-2) was assessed by real-time PCR.
We report a comparative analysis of the connections among 5-HT2CR editing, genome-wide gene expression and DNA methylation in suicide victims, individuals with major depressive disorder and non-psychiatric controls.