1. |
|
|
2. |
- Backlund, L, et al.
(author)
-
Mood Stabilizers and the Influence on Global Leukocyte DNA Methylation in Bipolar Disorder
- 2015
-
In: Molecular neuropsychiatry. - : S. Karger AG. - 2296-9209. ; 1:2, s. 76-81
-
Journal article (peer-reviewed)abstract
- Little is known about the relationship between treatments for bipolar disorder (BD), their therapeutic responses and the DNA methylation status. We investigated whether global DNA methylation levels differ between healthy controls and bipolar patients under different treatments. Global DNA methylation was measured in leukocyte DNA from bipolar patients under lithium monotherapy (n = 29) or combination therapy (n = 32) and from healthy controls (n = 26). Lithium response was assessed using the Alda scale. Lithium in monotherapy was associated with hypomethylation (F = 4.63, p = 0.036). Lithium + valproate showed a hypermethylated pattern compared to lithium alone (F = 7.27, p = 0.011). Lithium response was not associated with DNA methylation levels. These data suggest that the choice of treatment in BD may lead to different levels of global DNA methylation. However, further research is needed to understand its clinical significance.
|
|
3. |
|
|
4. |
|
|
5. |
|
|
6. |
- Efstathopoulos, P, et al.
(author)
-
NR3C1 hypermethylation in depressed and bullied adolescents
- 2018
-
In: Translational psychiatry. - : Springer Science and Business Media LLC. - 2158-3188. ; 8:1, s. 121-
-
Journal article (peer-reviewed)abstract
- The disruption of key epigenetic processes during critical periods of brain development can increase an individual’s vulnerability to psychopathology later in life. For instance, DNA methylation in the glucocorticoid receptor gene (NR3C1) in adulthood is known to be associated with early-life adversities and has been suggested to mediate the development of stress-related disorders. However, the association between NR3C1 methylation and the emergence of internalizing symptoms in childhood and adolescence has not been studied extensively. In the present report, we used saliva DNA from a cohort of Swedish adolescents (13–14 years old; N = 1149) to measure NR3C1 methylation in the exon 1F region. Internalizing psychopathological symptoms were assessed using the Center for Epidemiologic Studies Depression Scale for Children (CES-DC). We found that NR3C1 hypermethylation was cross-sectionally associated with high score for internalizing symptoms in the whole group as well as among the female participants. In addition, an analysis of social environmental stressors revealed that reports of bullied or lacking friends were significantly associated with NR3C1 hypermethylation. This cross-sectional association of NR3C1 exon 1F hypermethylation with internalizing psychopathology in adolescents, as well as with bullying and lack of friends are novel results in this field. Longitudinal studies are needed to address whether NR3C1 methylation mediates the link between social stressors and psychopathology in adolescence.
|
|
7. |
|
|
8. |
|
|
9. |
|
|
10. |
|
|